Merge branch 'rc/1.14.2' into release

* Update build tools

SDK API level 31
NDK 23
Kotlin 1.6

* Preserve tool suffix for Windows

.github/workflows/mac-continuous.yml

@@ -21,3 +21,6 @@ jobs:
         with:
           name: filament-mac
           path: out/filament-release-darwin.tgz
+      - name: Check public headers
+        run: |
+          build/common/check-headers.sh out/release/filament/include

.github/workflows/release.yml

@@ -1,14 +1,25 @@
 name: Release
 
 # This Workflow can be triggered two ways:
-# 1. A GitHub release is created (using the GitHub web UI). This triggers all of the platforms to build and upload assets.
-# 2. A repository_dispatch API event is sent. This triggers a build for only the platform specified in the dispatch event.
+# 1. A GitHub release is created (using the GitHub web UI). This triggers all of the platforms to
+# build and upload assets.
+# 2. A workflow_dispatch event is triggered from the GitHub web UI. This triggers a build for only
+# the platform specified in the dispatch event.
 
 env:
-  RELEASE_TAG: ${{ github.event.client_payload.release_tag }}
+  RELEASE_TAG: ${{ github.event.inputs.release_tag }}
 
 on:
-  repository_dispatch:
+  workflow_dispatch:
+    inputs:
+      platform:
+        description: 'Platform to build (desktop, web, android, ios, windows)'
+        required: true
+        default: 'desktop'
+      release_tag:
+        description: 'Release tag to build (e.g., v1.13.0)'
+        required: true
+        default: 'v1.13.0'
   release:
     types: [created]
 
@@ -16,7 +27,7 @@ jobs:
   build-desktop:
     name: build-desktop
     runs-on: ${{ matrix.os }}
-    if: github.event_name == 'release' || github.event.client_payload.platform == 'desktop'
+    if: github.event_name == 'release' || github.event.inputs.platform == 'desktop'
 
     strategy:
       matrix:
@@ -51,7 +62,7 @@ jobs:
   build-web:
     name: build-web
     runs-on: macos-latest
-    if: github.event_name == 'release' || github.event.client_payload.platform == 'web'
+    if: github.event_name == 'release' || github.event.inputs.platform == 'web'
 
     steps:
       - name: Decide Git ref
@@ -80,7 +91,7 @@ jobs:
   build-android:
     name: build-android
     runs-on: macos-latest
-    if: github.event_name == 'release' || github.event.client_payload.platform == 'android'
+    if: github.event_name == 'release' || github.event.inputs.platform == 'android'
 
     steps:
       - name: Decide Git ref
@@ -129,7 +140,7 @@ jobs:
   build-ios:
     name: build-ios
     runs-on: macos-latest
-    if: github.event_name == 'release' || github.event.client_payload.platform == 'ios'
+    if: github.event_name == 'release' || github.event.inputs.platform == 'ios'
 
     steps:
       - name: Decide Git ref
@@ -158,7 +169,7 @@ jobs:
   build-windows:
     name: build-windows
     runs-on: windows-latest
-    if: github.event_name == 'release' || github.event.client_payload.platform == 'windows'
+    if: github.event_name == 'release' || github.event.inputs.platform == 'windows'
 
     steps:
       - name: Decide Git ref

BUILDING.md

@@ -15,7 +15,7 @@ To build Filament for Android you must also install the following:
 
 - Android Studio Arctic Fox or more recent
 - Android SDK
-- Android NDK "side-by-side" 22.1 or higher
+- Android NDK "side-by-side" 23.1 or higher
 
 ### Environment variables
 
@@ -291,11 +291,11 @@ Alternatively you can build the AAR from the command line by executing the follo
 `android/` directory:
 
 ```
-$ ./gradlew -Pfilament_dist_dir=../../out/android-release/filament assembleRelease
+$ ./gradlew -Pcom.google.android.filament.dist-dir=../../out/android-release/filament assembleRelease
 ```
 
-The `-Pfilament_dist_dir` can be used to specify a different installation directory (it must match
-the CMake install prefix used in the previous steps).
+The `-Pcom.google.android.filament.dist-dir` can be used to specify a different installation
+directory (it must match the CMake install prefix used in the previous steps).
 
 #### Using Filament's AAR
 

CMakeLists.txt

@@ -502,11 +502,15 @@ function(list_licenses OUTPUT MODULES)
     foreach(module ${_MODULES})
         set(license_path "../../third_party/${module}/LICENSE")
         get_filename_component(fullname "${license_path}" ABSOLUTE)
-        string(APPEND CONTENT "${STR_OPENER}License and copyrights for ${module}:\n${STR_CLOSER},\n")
-        file(READ ${license_path} license_long)
-        string(REPLACE "\n" "${STR_CLOSER},\n${STR_OPENER}" license ${license_long})
-        string(APPEND CONTENT ${STR_OPENER}${license}\n${STR_CLOSER},)
-        string(APPEND CONTENT "\n\n")
+        if(EXISTS ${fullname})
+            string(APPEND CONTENT "${STR_OPENER}License and copyrights for ${module}:\n${STR_CLOSER},\n")
+            file(READ ${license_path} license_long)
+            string(REPLACE "\n" "${STR_CLOSER},\n${STR_OPENER}" license ${license_long})
+            string(APPEND CONTENT ${STR_OPENER}${license}\n${STR_CLOSER},)
+            string(APPEND CONTENT "\n\n")
+        else()
+            message(AUTHOR_WARNING "${license_path} not found. You can ignore this warning if you have devendored ${module}.")
+        endif()
     endforeach()
     configure_file(${FILAMENT}/build/licenses.inc.in ${OUTPUT})
 endfunction(list_licenses)
@@ -522,7 +526,12 @@ function(combine_static_libs TARGET OUTPUT DEPS)
     # Loop through the dependent libraries and query their location on disk.
     set(DEPS_FILES )
     foreach(DEPENDENCY ${DEPS})
-        list(APPEND DEPS_FILES "$<TARGET_FILE:${DEPENDENCY}>")
+        if(TARGET ${DEPENDENCY})
+            get_property(dep_type TARGET ${DEPENDENCY} PROPERTY TYPE)
+            if(dep_type STREQUAL "STATIC_LIBRARY")
+                list(APPEND DEPS_FILES "$<TARGET_FILE:${DEPENDENCY}>")
+            endif()
+        endif()
     endforeach()
 
     add_custom_command(
@@ -691,6 +700,7 @@ if (IS_HOST_PLATFORM)
     add_subdirectory(${TOOLS}/mipgen)
     add_subdirectory(${TOOLS}/normal-blending)
     add_subdirectory(${TOOLS}/resgen)
+    add_subdirectory(${TOOLS}/rgb-to-lmsr)
     add_subdirectory(${TOOLS}/roughness-prefilter)
     add_subdirectory(${TOOLS}/specular-color)
 endif()

README.md

@@ -31,7 +31,7 @@ repositories {
 }
 
 dependencies {
-    implementation 'com.google.android.filament:filament-android:1.12.3'
+    implementation 'com.google.android.filament:filament-android:1.14.2'
 }
 ```
 
@@ -52,7 +52,7 @@ Here are all the libraries available in the group `com.google.android.filament`:
 iOS projects can use CocoaPods to install the latest release:
 
 ```
-pod 'Filament', '~> 1.12.3'
+pod 'Filament', '~> 1.14.2'
 ```
 
 ### Snapshots
@@ -128,15 +128,16 @@ steps:
 - Screen-space ambient occlusion
 - Screen-space refraction
 - Global fog
-- Dynamic resolution
+- Dynamic resolution (with support for AMD FidelityFX FSR)
 
 ### Post processing
 
 - HDR bloom
 - Depth of field bokeh
-- Multiple tone mappers: ACES, filmic, etc.
-- Color grading: white balance, channel mixer, shadows/mid-tones/highlights, ASC CDL,
-  contrast, saturation, etc.
+- Multiple tone mappers: generic (customizable), ACES, filmic, etc.
+- Color and tone management: luminance scaling, gamut mapping
+- Color grading: exposure, night adaptation, white balance, channel mixer,
+  shadows/mid-tones/highlights, ASC CDL, contrast, saturation, etc.
 - TAA, FXAA, MSAA
 - Screen-space lens flares
 

RELEASE_NOTES.md

@@ -3,7 +3,99 @@
 This file contains one line summaries of commits that are worthy of mentioning in release notes.
 A new header is inserted each time a *tag* is created.
 
-## v1.12.4 (currently main branch)
+## v1.14.3 (currently main branch)
+
+## v1.14.2
+
+- Metal: Fix validation error when rendering to `RenderTarget` without depth attachment.
+- engine: Fix rendering glitch with zero-scale bone transforms.
+
+## v1.14.1
+
+- engine: Improvements to shadowing.
+
+## v1.14.0
+
+- engine: Internal materials can use structures as parameters [⚠️ **Material breakage**].
+- engine: `readPixels` on a `SwapChain` must be called within `beginFrame` / `endFrame` [⚠️ **API
+  Change**].
+- engine: Fix normal bias and improve spotlight quality.
+- Java: Fix shadow biases.
+
+## v1.13.0
+
+- Android: Gradle configuration caching is now enabled.
+- Android: Filament's Gradle properties have all been renamed to `com.google.android.filament.xxx`
+  where `xxx` is the property name. See `android/build.gradle` for a complete list [⚠️]
+- Android: The Gradle property `filament_tools_dir` (now called
+  `com.google.android.filament.tools-dir`) does not have a default value anymore. Please specify one
+  in your `gradle.properties` if you reuse the Gradle plugin in your projects [⚠️]
+- engine: Fix spotlights direction and falloff [⚠️ **Material breakage**].
+- engine: Improvements to VSM and spotlight shadows.
+
+## v1.12.11
+
+- Metal: Color grading performance improvement on M1 devices.
+- samples: Fix glitchy animation seen in gltf-viewer iOS sample.
+
+## v1.12.10
+
+- engine: rewrite dynamic resolution scaling controller for better accuracy and less jittering.
+- Java: fix missing ASTC texture enum.
+- tools: Fix normal map issues in mipgen.
+- WebGL: expose some `SurfaceOrientation` functions.
+
+## v1.12.9
+
+- engine: New API: `MultiSampleAntiAliasingOptions` and HDR-aware MSAA resolve. When `customResolve`
+  is enabled, improves anti-aliasing quality [**NEW API**].
+- engine: Fixes and improvements for FSR.
+- engine: All APIs that take a callback as argument now also take a `CallbackHandler*`, a new
+  interface that provides more flexibility around callback dispatch [**NEW API**].
+- Android: Fix JNI bindings for `DepthOfFieldOptions`.
+- Android: workarounds for Adreno-specific fraembuffer issue.
+- JavaScript: updates to JS bindings.
+
+## v1.12.8
+
+- engine: Added picking API to `View`  [⚠️ **Materials need to be rebuilt to access this new feature**].
+- engine: A new `Engine::pumpMessageQueues()` method can be used to trigger all pending user
+  callbacks right away [**NEW API**].
+- engine: new inline helpers to more easily use lambdas, functors and method callbacks with
+  `{Pixel}BufferDescriptor`.
+- Vulkan: fix vertical offset for `readPixels`.
+- Vulkan: various internal improvements.
+- Metal: support integer formats with `readPixels`.
+
+## v1.12.7
+
+- engine: Fix, apply emissive after shadowing.
+
+## v1.12.6
+
+- engine: Added concept of lod bias to materials.
+  [⚠️ **Materials need to be rebuilt to access this new feature**].
+- engine: Fix, BGRA ordering respected for external images with OpenGL on iOS.
+- engine: Use more sensible defaults for spot light inner outer cone angles.
+- engine: Fix potential race condition that caused stalls in `endFrame`.
+- gltfio: Improved handling of transparent materials.
+- Metal: Fix potential crash on earlier versions of iOS (<= 13.0).
+- Android: Fix `filament-utils-android` 'lite' flavor.
+- Java: Fix potential crash with `IBLPrefilter`.
+
+## v1.12.5
+
+- engine: work around a job scheduling issue in `endFrame` that caused stuttering on some Android
+devices.
+
+## v1.12.4
+
+- engine: New night adaptation API on `ColorGrading`. This API can be used to create an effect that
+  that simulates color and brightness shifts in human vision in low-light conditions.
+- engine: improved performance of AMD FidelityFX FSR1 by 4.6x, it now runs in about 2ms in 4K.
+- engine: Dynamic resolution quality `MEDIUM`, `HIGH` and `ULTRA` now all use AMD FidelityFX FSR1.
+- engine: Fix crash when duplicating material instances.
+- gltfio: generate tangents if requested by the material.
 
 ## v1.12.3
 
@@ -11,7 +103,7 @@ A new header is inserted each time a *tag* is created.
 
 ## v1.12.2
 
-- engine: New API on `ColorGrading` to enable or disable gamut mapping at will [**New Api**].
+- engine: New API on `ColorGrading` to enable or disable gamut mapping at will [**New API**].
 - engine: Fix typo causing ShadowOptions::shadowFar to not work properly.
 - engine: Fix, CSM glitch when using shadowMultiplier materials.
 - engine: Improve precision when computing camera projection.
@@ -22,8 +114,7 @@ A new header is inserted each time a *tag* is created.
 
 - engine: `double` precision translation support in TransformManager. Disabled by default.
   Augment model (and view) matrix on `Camera` to accept double precision matrices. When enabled,
-  double precision translations allow filament to handle a very large world space.
-  [**New API**].
+  double precision translations allow filament to handle a very large world space [**New API**].
 - engine: Fix, Views with custom render targets are now blendable.
 
 ## v1.12.0

android/Windows.md

@@ -122,20 +122,20 @@ The Gradle project used to generate the AAR is located at `<filament>\android`.
 
 ```
 cd android
-gradlew -Pfilament_dist_dir=..\out\android-release\filament assembleRelease
+gradlew -Pcom.google.android.filament.dist-dir=..\out\android-release\filament assembleRelease
 copy filament-android\build\outputs\aar\filament-android-release.aar ..\..\out\
 ```
 
-If you're only interested in building for a single ABI, you'll need to pass a `filament_abis` parameter:
+If you're only interested in building for a single ABI, you'll need to pass a `com.google.android.filament.abis` parameter:
 
 ```
-gradlew -Pfilament_dist_dir=..\out\android-release\filament assembleRelease -Pfilament_abis=x86
+gradlew -Pcom.google.android.filament.dist-dir=..\out\android-release\filament assembleRelease -Pcom.google.android.filament.abis=x86
 ```
 
-If you're only interested in building SDK, you may skip samples build by passing a `filament_skip_samples` flag:
+If you're only interested in building SDK, you may skip samples build by passing a `com.google.android.filament.skip-samples` flag:
 
 ```
-gradlew -Pfilament_dist_dir=..\out\android-release\filament assembleRelease -Pfilament_skip_samples
+gradlew -Pcom.google.android.filament.dist-dir=..\out\android-release\filament assembleRelease -Pfilament_skip_samples
 ```
 
 

android/build.gradle

@@ -1,26 +1,28 @@
 // This script accepts the following parameters:
 //
-// filament_dist_dir
+// com.google.android.filament.dist-dir
 //     Path to the Filament distribution/install directory for Android
 //     (produced by make/ninja install). This directory must contain lib/arm64-v8a/ etc.
 //
-// filament_tools_dir
+// com.google.android.filament.tools-dir
 //     Path to the Filament distribution/install directory for desktop.
 //     This directory must contain bin/matc.
 //
-// filament_exclude_vulkan
+// com.google.android.filament.exclude-vulkan
 //     When set, support for Vulkan will be excluded.
 //
-// filament_skip_samples
+// com.google.android.filament.skip-samples
 //     Exclude samples from the project. Useful to speed up compilation.
 //
-// filament_abis
+// com.google.android.filament.abis
 //     List of supported ABIs to build as a comma separated list. Available options are:
 //         arm64-v8a, armeabi-v7a, x86_64, x86, all
 //     Defaults to all.
 //
 // Example:
-//     ./gradlew -Pfilament_dist_dir=../dist-android-release assembleRelease -Pfilament_abis=x86
+//     ./gradlew -Pcom.google.android.filament.dist-dir=../dist-android-release \
+//               -Pcom.google.android.filament.abis=x86 \
+//               assembleRelease
 
 // Publishing to Maven Central:
 //   - Build and upload artifacts with ./gradlew publish
@@ -40,44 +42,53 @@
 //
 
 buildscript {
-    def filamentPath = file("../out/android-release/filament").absolutePath
-    if (project.hasProperty("filament_dist_dir")) {
-        filamentPath = file(project.property("filament_dist_dir")).absolutePath
-    }
+    def path = providers
+            .gradleProperty("com.google.android.filament.dist-dir")
+            .forUseAtConfigurationTime().get()
+
+    def directory = objects.fileProperty().fileValue(new File(path)).getAsFile().get()
+    def filamentPath = directory.absolutePath
+
     // Our CMake scripts require a forward-slash path for the FILAMENT_DIST_DIR
     // variable, so here we convert the native path to a forward-slash path.
     filamentPath = filamentPath.replace(File.separator, '/')
 
     // Warning: changing this property does not work well with incremental builds.
-    def excludeVulkan = project.hasProperty("filament_exclude_vulkan")
+    def excludeVulkan = providers
+            .gradleProperty("com.google.android.filament.exclude-vulkan")
+            .forUseAtConfigurationTime()
+            .isPresent()
 
     def abis = ["arm64-v8a", "armeabi-v7a", "x86_64", "x86"]
-    if (project.hasProperty("filament_abis")) {
-        def newAbis = project.property("filament_abis").split(',')
-        if (!newAbis.contains("all")) {
-            abis = newAbis
-        }
+    def newAbis = providers
+            .gradleProperty("com.google.android.filament.abis")
+            .forUseAtConfigurationTime()
+            .get()
+            .split(',')
+    if (!newAbis.contains("all")) {
+        abis = newAbis
     }
 
     ext.versions = [
         'minSdk': 19,
-        'targetSdk': 30,
-        'compileSdk': 30,
-        'kotlin': '1.5.21',
-        'buildTools': '30.0.3',
-        'ndk': '22.1.7171670'
+        'targetSdk': 31,
+        'compileSdk': 31,
+        'kotlin': '1.6.0',
+        'buildTools': '31.0.0',
+        'ndk': '23.1.7779620'
     ]
 
     ext.deps = [
         'androidx': [
-            'annotations': "androidx.annotation:annotation:1.1.0",
+            'annotations': "androidx.annotation:annotation:1.3.0",
             'core': "androidx.core:core:1.3.0",
         ],
         'kotlin': "org.jetbrains.kotlin:kotlin-stdlib-jdk8:${versions.kotlin}"
     ]
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:7.0.0'
+        // NOTE: See TODO in gradle.properties once we move to Gradle 7.2
+        classpath 'com.android.tools.build:gradle:7.0.3'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:${versions.kotlin}"
     }
 
@@ -118,7 +129,7 @@ buildscript {
 }
 
 plugins {
-    id 'io.codearte.nexus-staging' version '0.22.0'
+    id 'io.codearte.nexus-staging' version '0.30.0'
 }
 
 // Nexus Staging configuration
@@ -187,7 +198,8 @@ subprojects {
 gradle.taskGraph.whenReady {
     gradle.taskGraph.allTasks.each {
         it.onlyIf {
-            !it.project.ext.has('isSample') || !project.hasProperty('filament_skip_samples')
+            !it.project.ext.has('isSample') ||
+                    !project.hasProperty('com.google.android.filament.skip-samples')
          }
     }
 }

android/buildSrc/build.gradle

@@ -1,3 +1,17 @@
+
+plugins {
+    id 'groovy-gradle-plugin'
+}
+
+gradlePlugin {
+    plugins {
+        create("filament-tools-plugin") {
+            id = "filament-tools-plugin"
+            implementationClass = "FilamentToolsPlugin"
+        }
+    }
+}
+
 repositories {
     mavenCentral()
 }

android/buildSrc/src/main/groovy/FilamentPlugin.groovy

@@ -1,20 +1,22 @@
 // This plugin accepts the following parameters:
 //
-// filament_tools_dir
+// com.google.android.filament.tools-dir
 //     Path to the Filament distribution/install directory for desktop.
 //     This directory must contain bin/matc.
 //
-// filament_exclude_vulkan
+// com.google.android.filament.exclude-vulkan
 //     When set, support for Vulkan will be excluded.
 //
 // Example:
-//     ./gradlew -Pfilament_tools_dir=../../dist-release assembleDebug
+//     ./gradlew -Pcom.google.android.filament.tools-dir=../../dist-release assembleDebug
 
 import org.gradle.api.DefaultTask
 import org.gradle.api.GradleException
 import org.gradle.api.Plugin
 import org.gradle.api.Project
+import org.gradle.api.provider.ProviderFactory
 import org.gradle.api.file.DirectoryProperty
+import org.gradle.api.file.FileSystemOperations
 import org.gradle.api.file.FileType
 import org.gradle.api.file.RegularFileProperty
 import org.gradle.api.logging.LogLevel
@@ -27,14 +29,18 @@ import org.gradle.api.tasks.Optional
 import org.gradle.api.tasks.OutputDirectory
 import org.gradle.api.tasks.TaskAction
 import org.gradle.api.tasks.incremental.InputFileDetails
+import org.gradle.api.model.ObjectFactory
 import org.gradle.internal.os.OperatingSystem
+import org.gradle.process.ExecOperations
 import org.gradle.work.ChangeType
 import org.gradle.work.Incremental
 import org.gradle.work.InputChanges
 
 import java.nio.file.Paths
 
-class TaskWithBinary extends DefaultTask {
+import javax.inject.Inject
+
+abstract class TaskWithBinary extends DefaultTask {
     private final String binaryName
     private Property<String> binaryPath = null
 
@@ -42,15 +48,23 @@ class TaskWithBinary extends DefaultTask {
         binaryName = name
     }
 
+    @Inject abstract ObjectFactory getObjects()
+    @Inject abstract ProviderFactory getProviders()
+
     @Input
     Property<String> getBinary() {
         if (binaryPath == null) {
             def tool = ["/bin/${binaryName}.exe", "/bin/${binaryName}"]
             def fullPath = tool.collect { path ->
-                Paths.get(project.ext.filamentToolsPath.absolutePath, path).toFile()
+                def filamentToolsPath = providers
+                        .gradleProperty("com.google.android.filament.tools-dir")
+                        .forUseAtConfigurationTime().get()
+                def directory = objects.fileProperty()
+                        .fileValue(new File(filamentToolsPath)).getAsFile().get()
+                Paths.get(directory.absolutePath, path).toFile()
             }
 
-            binaryPath = project.objects.property(String.class)
+            binaryPath = objects.property(String.class)
             binaryPath.set(
                     (OperatingSystem.current().isWindows() ? fullPath[0] : fullPath[1]).toString())
         }
@@ -84,6 +98,11 @@ abstract class MaterialCompiler extends TaskWithBinary {
     @OutputDirectory
     abstract DirectoryProperty getOutputDir()
 
+    @Inject abstract FileSystemOperations getFs()
+    @Inject abstract ExecOperations getExec()
+    @Inject abstract ObjectFactory getObjects()
+    @Inject abstract ProviderFactory getProviders()
+
     MaterialCompiler() {
         super("matc")
     }
@@ -91,7 +110,9 @@ abstract class MaterialCompiler extends TaskWithBinary {
     @TaskAction
     void execute(InputChanges inputs) {
         if (!inputs.incremental) {
-            project.delete(project.fileTree(outputDir.asFile.get()).matching { include '*.filamat' })
+            fs.delete({
+                delete(objects.fileTree().from(outputDir).matching { include '*.filamat' })
+            })
         }
 
         inputs.getFileChanges(inputDir).each { InputFileDetails change ->
@@ -115,12 +136,15 @@ abstract class MaterialCompiler extends TaskWithBinary {
                 }
 
                 def matcArgs = []
-                if (!project.hasProperty("filament_exclude_vulkan")) {
+                def exclude_vulkan = providers
+                        .gradleProperty("com.google.android.filament.exclude-vulkan")
+                        .forUseAtConfigurationTime().present
+                if (!exclude_vulkan) {
                     matcArgs += ['-a', 'vulkan']
                 }
                 matcArgs += ['-a', 'opengl', '-p', 'mobile', '-o', getOutputFile(file), file]
 
-                project.exec {
+                exec.exec {
                     standardOutput out
                     errorOutput err
                     executable "${binary.get()}"
@@ -149,6 +173,10 @@ abstract class IblGenerator extends TaskWithBinary {
     @OutputDirectory
     abstract DirectoryProperty getOutputDir()
 
+    @Inject abstract FileSystemOperations getFs()
+    @Inject abstract ExecOperations getExec()
+    @Inject abstract ObjectFactory getObjects()
+
     IblGenerator() {
         super("cmgen")
     }
@@ -156,7 +184,9 @@ abstract class IblGenerator extends TaskWithBinary {
     @TaskAction
     void execute(InputChanges inputs) {
         if (!inputs.incremental) {
-            project.delete(project.fileTree(outputDir.asFile.get()).matching { include '*' })
+            fs.delete({
+                delete(objects.fileTree().from(outputDir).matching { include '*' })
+            })
         }
 
         inputs.getFileChanges(inputFile).each { InputFileDetails change ->
@@ -188,7 +218,7 @@ abstract class IblGenerator extends TaskWithBinary {
                 }
                 commandArgs = commandArgs + " " + file
 
-                project.exec {
+                exec.exec {
                     standardOutput out
                     errorOutput err
                     executable "${binary.get()}"
@@ -213,6 +243,9 @@ abstract class MeshCompiler extends TaskWithBinary {
     @OutputDirectory
     abstract DirectoryProperty getOutputDir()
 
+    @Inject abstract FileSystemOperations getFs()
+    @Inject abstract ExecOperations getExec()
+
     MeshCompiler() {
         super("filamesh")
     }
@@ -220,7 +253,9 @@ abstract class MeshCompiler extends TaskWithBinary {
     @TaskAction
     void execute(InputChanges inputs) {
         if (!inputs.incremental) {
-            project.delete(project.fileTree(outputDir.asFile.get()).matching { include '*.filamesh' })
+            fs.delete({
+                delete(objects.fileTree().from(outputDir).matching { include '*.filamesh' })
+            })
         }
 
         inputs.getFileChanges(inputFile).each { InputFileDetails change ->
@@ -243,7 +278,7 @@ abstract class MeshCompiler extends TaskWithBinary {
                             " Ensure Filament has been built/installed before building this app.")
                 }
 
-                project.exec {
+                exec.exec {
                     standardOutput out
                     errorOutput err
                     executable "${binary.get()}"
@@ -280,11 +315,6 @@ class FilamentToolsPlugin implements Plugin<Project> {
         extension.meshInputFile = project.objects.fileProperty()
         extension.meshOutputDir = project.objects.directoryProperty()
 
-        project.ext.filamentToolsPath = project.file("../../../out/release/filament")
-        if (project.hasProperty("filament_tools_dir")) {
-            project.ext.filamentToolsPath = project.file(project.property("filament_tools_dir"))
-        }
-
         project.tasks.register("filamentCompileMaterials", MaterialCompiler) {
             enabled =
                     extension.materialInputDir.isPresent() &&

android/common/CallbackUtils.cpp

@@ -16,6 +16,8 @@
 
 #include "CallbackUtils.h"
 
+#include "private/backend/VirtualMachineEnv.h"
+
 void acquireCallbackJni(JNIEnv* env, CallbackJni& callbackUtils) {
 #ifdef ANDROID
     callbackUtils.handlerClass = env->FindClass("android/os/Handler");
@@ -49,53 +51,6 @@ void releaseCallbackJni(JNIEnv* env, CallbackJni callbackUtils, jobject handler,
     env->DeleteGlobalRef(callbackUtils.executorClass);
 }
 
-JniBufferCallback* JniBufferCallback::make(filament::Engine* engine,
-        JNIEnv* env, jobject handler, jobject callback, AutoBuffer&& buffer) {
-    return new JniBufferCallback(env, handler, callback, std::move(buffer));
-}
-
-JniBufferCallback::JniBufferCallback(JNIEnv* env, jobject handler, jobject callback,
-        AutoBuffer&& buffer)
-        : mEnv(env)
-        , mHandler(env->NewGlobalRef(handler))
-        , mCallback(env->NewGlobalRef(callback))
-        , mBuffer(std::move(buffer)) {
-    acquireCallbackJni(env, mCallbackUtils);
-}
-
-JniBufferCallback::~JniBufferCallback() {
-    releaseCallbackJni(mEnv, mCallbackUtils, mHandler, mCallback);
-}
-
-void JniBufferCallback::invoke(void*, size_t, void* user) {
-    JniBufferCallback* data = reinterpret_cast<JniBufferCallback*>(user);
-    delete data;
-}
-
-// -----------------------------------------------------------------------------------------------
-
-JniImageCallback* JniImageCallback::make(filament::Engine* engine,
-        JNIEnv* env, jobject handler, jobject callback, long image) {
-    return new JniImageCallback(env, handler, callback, image);
-}
-
-JniImageCallback::JniImageCallback(JNIEnv* env, jobject handler, jobject callback, long image)
-        : mEnv(env)
-        , mHandler(env->NewGlobalRef(handler))
-        , mCallback(env->NewGlobalRef(callback))
-        , mImage(image) {
-    acquireCallbackJni(env, mCallbackUtils);
-}
-
-JniImageCallback::~JniImageCallback() {
-    releaseCallbackJni(mEnv, mCallbackUtils, mHandler, mCallback);
-}
-
-void JniImageCallback::invoke(void*, void* user) {
-    JniImageCallback* data = reinterpret_cast<JniImageCallback*>(user);
-    delete data;
-}
-
 // -----------------------------------------------------------------------------------------------
 
 JniCallback* JniCallback::make(JNIEnv* env, jobject handler, jobject callback) {
@@ -103,17 +58,65 @@ JniCallback* JniCallback::make(JNIEnv* env, jobject handler, jobject callback) {
 }
 
 JniCallback::JniCallback(JNIEnv* env, jobject handler, jobject callback)
-        : mEnv(env)
-        , mHandler(env->NewGlobalRef(handler))
-        , mCallback(env->NewGlobalRef(callback)) {
+        : mHandler(env->NewGlobalRef(handler)),
+          mCallback(env->NewGlobalRef(callback)) {
     acquireCallbackJni(env, mCallbackUtils);
 }
 
-JniCallback::~JniCallback() {
-    releaseCallbackJni(mEnv, mCallbackUtils, mHandler, mCallback);
+JniCallback::~JniCallback() = default;
+
+void JniCallback::post(void* user, filament::backend::CallbackHandler::Callback callback) {
+    callback(user);
 }
 
-void JniCallback::invoke(void* user) {
-    JniCallback* data = reinterpret_cast<JniCallback*>(user);
-    delete data;
+void JniCallback::postToJavaAndDestroy(JniCallback* callback) {
+    JNIEnv* env = filament::VirtualMachineEnv::get().getEnvironment();
+    releaseCallbackJni(env, callback->mCallbackUtils, callback->mHandler, callback->mCallback);
+    delete callback;
+}
+
+// -----------------------------------------------------------------------------------------------
+
+JniBufferCallback* JniBufferCallback::make(filament::Engine*,
+        JNIEnv* env, jobject handler, jobject callback, AutoBuffer&& buffer) {
+    return new JniBufferCallback(env, handler, callback, std::move(buffer));
+}
+
+JniBufferCallback::JniBufferCallback(JNIEnv* env, jobject handler, jobject callback,
+        AutoBuffer&& buffer)
+        : JniCallback(env, handler, callback),
+        mBuffer(std::move(buffer)) {
+    acquireCallbackJni(env, mCallbackUtils);
+}
+
+JniBufferCallback::~JniBufferCallback() = default;
+
+void JniBufferCallback::postToJavaAndDestroy(void*, size_t, void* user) {
+    JniBufferCallback* callback = (JniBufferCallback*)user;
+    JNIEnv* env = filament::VirtualMachineEnv::get().getEnvironment();
+    callback->mBuffer.attachToJniThread(env);
+    releaseCallbackJni(env, callback->mCallbackUtils, callback->mHandler, callback->mCallback);
+    delete callback;
+}
+
+// -----------------------------------------------------------------------------------------------
+
+JniImageCallback* JniImageCallback::make(filament::Engine*,
+        JNIEnv* env, jobject handler, jobject callback, long image) {
+    return new JniImageCallback(env, handler, callback, image);
+}
+
+JniImageCallback::JniImageCallback(JNIEnv* env, jobject handler, jobject callback, long image)
+        : JniCallback(env, handler, callback),
+        mImage(image) {
+    acquireCallbackJni(env, mCallbackUtils);
+}
+
+JniImageCallback::~JniImageCallback() = default;
+
+void JniImageCallback::postToJavaAndDestroy(void*, void* user) {
+    JniImageCallback* callback = (JniImageCallback*)user;
+    JNIEnv* env = filament::VirtualMachineEnv::get().getEnvironment();
+    releaseCallbackJni(env, callback->mCallbackUtils, callback->mHandler, callback->mCallback);
+    delete callback;
 }

android/common/CallbackUtils.h

@@ -18,9 +18,10 @@
 
 #include <jni.h>
 
-#include "common/CallbackUtils.h"
 #include "common/NioUtils.h"
 
+#include <backend/CallbackHandler.h>
+
 #include <filament/Engine.h>
 
 struct CallbackJni {
@@ -35,57 +36,49 @@ struct CallbackJni {
 void acquireCallbackJni(JNIEnv* env, CallbackJni& callbackUtils);
 void releaseCallbackJni(JNIEnv* env, CallbackJni callbackUtils, jobject handler, jobject callback);
 
-struct JniBufferCallback {
+struct JniCallback : private filament::backend::CallbackHandler {
+    JniCallback(JniCallback const &) = delete;
+    JniCallback(JniCallback&&) = delete;
+
+    static JniCallback* make(JNIEnv* env, jobject handler, jobject runnable);
+
+    static void postToJavaAndDestroy(JniCallback* callback);
+
+    void post(void* user, Callback callback) override;
+
+    filament::backend::CallbackHandler* getHandler() noexcept { return this; }
+
+    jobject getCallbackObject() { return mCallback; }
+
+protected:
+    JniCallback(JNIEnv* env, jobject handler, jobject runnable);
+    virtual ~JniCallback();
+    jobject mHandler;
+    jobject mCallback;
+    CallbackJni mCallbackUtils;
+};
+
+
+struct JniBufferCallback : public JniCallback {
     static JniBufferCallback* make(filament::Engine* engine,
             JNIEnv* env, jobject handler, jobject callback, AutoBuffer&& buffer);
 
-    static void invoke(void* buffer, size_t n, void* user);
+    static void postToJavaAndDestroy(void*, size_t, void* user);
 
 private:
     JniBufferCallback(JNIEnv* env, jobject handler, jobject callback, AutoBuffer&& buffer);
-    JniBufferCallback(JniBufferCallback const &) = delete;
-    JniBufferCallback(JniBufferCallback&&) = delete;
-    ~JniBufferCallback();
-
-    JNIEnv* mEnv;
-    jobject mHandler;
-    jobject mCallback;
+    virtual ~JniBufferCallback();
     AutoBuffer mBuffer;
-    CallbackJni mCallbackUtils;
 };
 
-struct JniImageCallback {
+struct JniImageCallback : public JniCallback {
     static JniImageCallback* make(filament::Engine* engine, JNIEnv* env, jobject handler,
             jobject runnable, long image);
 
-    static void invoke(void* image, void* user);
+    static void postToJavaAndDestroy(void*, void* user);
 
 private:
     JniImageCallback(JNIEnv* env, jobject handler, jobject runnable, long image);
-    JniImageCallback(JniImageCallback const &) = delete;
-    JniImageCallback(JniImageCallback&&) = delete;
-    ~JniImageCallback();
-
-    JNIEnv* mEnv;
-    jobject mHandler;
-    jobject mCallback;
+    virtual ~JniImageCallback();
     long mImage;
-    CallbackJni mCallbackUtils;
-};
-
-struct JniCallback {
-    static JniCallback* make(JNIEnv* env, jobject handler, jobject runnable);
-
-    static void invoke(void* user);
-
-private:
-    JniCallback(JNIEnv* env, jobject handler, jobject runnable);
-    JniCallback(JniCallback const &) = delete;
-    JniCallback(JniCallback&&) = delete;
-    ~JniCallback();
-
-    JNIEnv* mEnv;
-    jobject mHandler;
-    jobject mCallback;
-    CallbackJni mCallbackUtils;
 };

android/common/NioUtils.h

@@ -38,6 +38,10 @@ public:
     AutoBuffer(AutoBuffer&& rhs) noexcept;
     ~AutoBuffer() noexcept;
 
+    void attachToJniThread(JNIEnv* env) noexcept {
+        mEnv = env;
+    }
+
     void* getData() const noexcept {
         return mUserData;
     }

android/filament-android/CMakeLists.txt

@@ -125,6 +125,7 @@ target_link_libraries(filament-jni
 target_include_directories(filament-jni PRIVATE
         ..
         ${FILAMENT_DIR}/include
+        ../../filament/backend/include
         ../../third_party/robin-map
         ../../libs/utils/include)
 

android/filament-android/src/main/cpp/BufferObject.cpp

@@ -91,7 +91,8 @@ Java_com_google_android_filament_BufferObject_nSetBuffer(JNIEnv *env, jclass typ
 
     auto* callback = JniBufferCallback::make(engine, env, handler, runnable, std::move(nioBuffer));
 
-    BufferDescriptor desc(data, sizeInBytes, &JniBufferCallback::invoke, callback);
+    BufferDescriptor desc(data, sizeInBytes,
+            callback->getHandler(), &JniBufferCallback::postToJavaAndDestroy, callback);
 
     bufferObject->setBuffer(*engine, std::move(desc), (uint32_t) destOffsetInBytes);
 

android/filament-android/src/main/cpp/ColorGrading.cpp

@@ -90,6 +90,13 @@ Java_com_google_android_filament_ColorGrading_nBuilderExposure(JNIEnv*, jclass,
     builder->exposure(exposure);
 }
 
+extern "C" JNIEXPORT void JNICALL
+Java_com_google_android_filament_ColorGrading_nBuilderNightAdaptation(JNIEnv*, jclass,
+        jlong nativeBuilder, jfloat adaptation) {
+    ColorGrading::Builder* builder = (ColorGrading::Builder*) nativeBuilder;
+    builder->nightAdaptation(adaptation);
+}
+
 extern "C" JNIEXPORT void JNICALL
 Java_com_google_android_filament_ColorGrading_nBuilderWhiteBalance(JNIEnv*, jclass,
         jlong nativeBuilder, jfloat temperature, jfloat tint) {

android/filament-android/src/main/cpp/Filament.cpp

@@ -16,9 +16,7 @@
 
 #include <jni.h>
 
-namespace filament {
-    extern jint JNI_OnLoad(JavaVM* vm, void* reserved);
-};
+#include "private/backend/VirtualMachineEnv.h"
 
 JNIEXPORT jint JNI_OnLoad(JavaVM* vm, void* reserved) {
     JNIEnv* env;
@@ -26,9 +24,9 @@ JNIEXPORT jint JNI_OnLoad(JavaVM* vm, void* reserved) {
         return -1;
     }
 
-#if ANDROID
-    ::filament::JNI_OnLoad(vm, reserved);
-#endif
+    // This must be called when the library is loaded. We need this to get a reference to the
+    // global VM
+    ::filament::VirtualMachineEnv::JNI_OnLoad(vm);
 
     return JNI_VERSION_1_6;
 }

android/filament-android/src/main/cpp/IndexBuffer.cpp

@@ -91,7 +91,8 @@ Java_com_google_android_filament_IndexBuffer_nSetBuffer(JNIEnv *env, jclass type
 
     auto* callback = JniBufferCallback::make(engine, env, handler, runnable, std::move(nioBuffer));
 
-    BufferDescriptor desc(data, sizeInBytes, &JniBufferCallback::invoke, callback);
+    BufferDescriptor desc(data, sizeInBytes,
+            callback->getHandler(), &JniBufferCallback::postToJavaAndDestroy, callback);
 
     indexBuffer->setBuffer(*engine, std::move(desc), (uint32_t) destOffsetInBytes);
 

android/filament-android/src/main/cpp/LightManager.cpp

@@ -76,7 +76,9 @@ extern "C" JNIEXPORT void JNICALL
 Java_com_google_android_filament_LightManager_nBuilderShadowOptions(JNIEnv* env, jclass,
         jlong nativeBuilder, jint mapSize, jint cascades, jfloatArray splitPositions,
         jfloat constantBias, jfloat normalBias, jfloat shadowFar, jfloat shadowNearHint,
-        jfloat shadowFarHint, jboolean stable, jboolean screenSpaceContactShadows, jint stepCount,
+        jfloat shadowFarHint, jboolean stable,
+        jfloat polygonOffsetConstant, jfloat polygonOffsetSlope,
+        jboolean screenSpaceContactShadows, jint stepCount,
         jfloat maxShadowDistance, jint vsmMsaaSamples, jfloat blurWidth) {
     LightManager::Builder *builder = (LightManager::Builder *) nativeBuilder;
     LightManager::ShadowOptions shadowOptions {
@@ -88,6 +90,8 @@ Java_com_google_android_filament_LightManager_nBuilderShadowOptions(JNIEnv* env,
             .shadowNearHint = shadowNearHint,
             .shadowFarHint = shadowFarHint,
             .stable = (bool)stable,
+            .polygonOffsetConstant = polygonOffsetConstant,
+            .polygonOffsetSlope = polygonOffsetConstant,
             .screenSpaceContactShadows = (bool)screenSpaceContactShadows,
             .stepCount = uint8_t(stepCount),
             .maxShadowDistance = maxShadowDistance,

android/filament-android/src/main/cpp/Renderer.cpp

@@ -97,7 +97,8 @@ Java_com_google_android_filament_Renderer_nReadPixels(JNIEnv *env, jclass,
 
     PixelBufferDescriptor desc(buffer, sizeInBytes, (backend::PixelDataFormat) format,
             (backend::PixelDataType) type, (uint8_t) alignment, (uint32_t) left, (uint32_t) top,
-            (uint32_t) stride, &JniBufferCallback::invoke, callback);
+            (uint32_t) stride,
+            callback->getHandler(), &JniBufferCallback::postToJavaAndDestroy, callback);
 
     renderer->readPixels(uint32_t(xoffset), uint32_t(yoffset), uint32_t(width), uint32_t(height),
             std::move(desc));
@@ -132,7 +133,8 @@ Java_com_google_android_filament_Renderer_nReadPixelsEx(JNIEnv *env, jclass,
 
     PixelBufferDescriptor desc(buffer, sizeInBytes, (backend::PixelDataFormat) format,
             (backend::PixelDataType) type, (uint8_t) alignment, (uint32_t) left, (uint32_t) top,
-            (uint32_t) stride, &JniBufferCallback::invoke, callback);
+            (uint32_t) stride,
+            callback->getHandler(), &JniBufferCallback::postToJavaAndDestroy, callback);
 
     renderer->readPixels(renderTarget,
             uint32_t(xoffset), uint32_t(yoffset), uint32_t(width), uint32_t(height),

android/filament-android/src/main/cpp/Stream.cpp

@@ -169,7 +169,8 @@ Java_com_google_android_filament_Stream_nReadPixels(JNIEnv *env, jclass,
 
     PixelBufferDescriptor desc(buffer, sizeInBytes, (backend::PixelDataFormat) format,
             (backend::PixelDataType) type, (uint8_t) alignment, (uint32_t) left, (uint32_t) top,
-            (uint32_t) stride, &JniBufferCallback::invoke, callback);
+            (uint32_t) stride,
+            callback->getHandler(), &JniBufferCallback::postToJavaAndDestroy, callback);
 
     stream->readPixels(uint32_t(xoffset), uint32_t(yoffset), uint32_t(width), uint32_t(height),
             std::move(desc));
@@ -221,5 +222,6 @@ Java_com_google_android_filament_Stream_nSetAcquiredImage(JNIEnv* env, jclass, j
 
 #endif
 
-    stream->setAcquiredImage((void*) nativeBuffer, &JniImageCallback::invoke, callback);
+    stream->setAcquiredImage((void*) nativeBuffer,
+            callback->getHandler(), &JniImageCallback::postToJavaAndDestroy, callback);
 }

android/filament-android/src/main/cpp/SwapChain.cpp

@@ -27,5 +27,8 @@ Java_com_google_android_filament_SwapChain_nSetFrameCompletedCallback(JNIEnv* en
         jlong nativeSwapChain, jobject handler, jobject runnable) {
     SwapChain* swapChain = (SwapChain*) nativeSwapChain;
     auto *callback = JniCallback::make(env, handler, runnable);
-    swapChain->setFrameCompletedCallback(&JniCallback::invoke, callback);
+    swapChain->setFrameCompletedCallback([](void* user) {
+        JniCallback* callback = (JniCallback*)user;
+        JniCallback::postToJavaAndDestroy(callback);
+    }, callback);
 }

android/filament-android/src/main/cpp/Texture.cpp

@@ -210,7 +210,8 @@ Java_com_google_android_filament_Texture_nSetImage(JNIEnv* env, jclass, jlong na
 
     Texture::PixelBufferDescriptor desc(buffer, sizeInBytes, (backend::PixelDataFormat) format,
             (backend::PixelDataType) type, (uint8_t) alignment, (uint32_t) left, (uint32_t) top,
-            (uint32_t) stride, &JniBufferCallback::invoke, callback);
+            (uint32_t) stride,
+            callback->getHandler(), &JniBufferCallback::postToJavaAndDestroy, callback);
 
     texture->setImage(*engine, (size_t) level, (uint32_t) xoffset, (uint32_t) yoffset,
             (uint32_t) width, (uint32_t) height, std::move(desc));
@@ -240,7 +241,7 @@ Java_com_google_android_filament_Texture_nSetImageCompressed(JNIEnv *env, jclass
 
     Texture::PixelBufferDescriptor desc(buffer, sizeInBytes,
             (backend::CompressedPixelDataType) compressedFormat, (uint32_t) compressedSizeInBytes,
-            &JniBufferCallback::invoke, callback);
+            callback->getHandler(), &JniBufferCallback::postToJavaAndDestroy, callback);
 
     texture->setImage(*engine, (size_t) level, (uint32_t) xoffset, (uint32_t) yoffset,
             (uint32_t) width, (uint32_t) height, std::move(desc));
@@ -274,7 +275,8 @@ Java_com_google_android_filament_Texture_nSetImage3D(JNIEnv* env, jclass, jlong
 
     Texture::PixelBufferDescriptor desc(buffer, sizeInBytes, (backend::PixelDataFormat) format,
             (backend::PixelDataType) type, (uint8_t) alignment, (uint32_t) left, (uint32_t) top,
-            (uint32_t) stride, &JniBufferCallback::invoke, callback);
+            (uint32_t) stride,
+            callback->getHandler(), &JniBufferCallback::postToJavaAndDestroy, callback);
 
     texture->setImage(*engine, (size_t) level,
             (uint32_t) xoffset, (uint32_t) yoffset, (uint32_t) zoffset,
@@ -308,7 +310,7 @@ Java_com_google_android_filament_Texture_nSetImage3DCompressed(JNIEnv *env, jcla
 
     Texture::PixelBufferDescriptor desc(buffer, sizeInBytes,
             (backend::CompressedPixelDataType) compressedFormat, (uint32_t) compressedSizeInBytes,
-            &JniBufferCallback::invoke, callback);
+            callback->getHandler(), &JniBufferCallback::postToJavaAndDestroy, callback);
 
     texture->setImage(*engine, (size_t) level,
             (uint32_t) xoffset, (uint32_t) yoffset, (uint32_t) zoffset,
@@ -346,7 +348,8 @@ Java_com_google_android_filament_Texture_nSetImageCubemap(JNIEnv *env, jclass,
 
     Texture::PixelBufferDescriptor desc(buffer, sizeInBytes, (backend::PixelDataFormat) format,
             (backend::PixelDataType) type, (uint8_t) alignment, (uint32_t) left, (uint32_t) top,
-            (uint32_t) stride, &JniBufferCallback::invoke, callback);
+            (uint32_t) stride,
+            callback->getHandler(), &JniBufferCallback::postToJavaAndDestroy, callback);
 
     texture->setImage(*engine, (size_t) level, std::move(desc), faceOffsets);
 
@@ -381,7 +384,7 @@ Java_com_google_android_filament_Texture_nSetImageCubemapCompressed(JNIEnv *env,
 
     Texture::PixelBufferDescriptor desc(buffer, sizeInBytes,
             (backend::CompressedPixelDataType) compressedFormat, (uint32_t) compressedSizeInBytes,
-            &JniBufferCallback::invoke, callback);
+            callback->getHandler(), &JniBufferCallback::postToJavaAndDestroy, callback);
 
     texture->setImage(*engine, (size_t) level, std::move(desc), faceOffsets);
 
@@ -454,7 +457,7 @@ Java_com_google_android_filament_Texture_nGeneratePrefilterMipmap(JNIEnv *env, j
     Texture::PixelBufferDescriptor desc(buffer, sizeInBytes, (backend::PixelDataFormat) format,
             (backend::PixelDataType) type, (uint8_t) alignment,
             (uint32_t) left, (uint32_t) top, (uint32_t) stride,
-            &JniBufferCallback::invoke, callback);
+            callback->getHandler(), &JniBufferCallback::postToJavaAndDestroy, callback);
 
     Texture::PrefilterOptions options;
     options.sampleCount = sampleCount;
@@ -563,7 +566,7 @@ private:
     jobject mBitmap = nullptr;
     jobject mHandler = nullptr;
     jobject mCallback = nullptr;
-    AndroidBitmapInfo mInfo;
+    AndroidBitmapInfo mInfo{};
     CallbackJni mCallbackUtils;
 };
 

android/filament-android/src/main/cpp/VertexBuffer.cpp

@@ -32,40 +32,40 @@ using namespace filament::math;
 using namespace backend;
 
 extern "C" JNIEXPORT jlong JNICALL
-Java_com_google_android_filament_VertexBuffer_nCreateBuilder(JNIEnv *env, jclass type) {
+Java_com_google_android_filament_VertexBuffer_nCreateBuilder(JNIEnv*, jclass) {
     return (jlong) new VertexBuffer::Builder();
 }
 
 extern "C" JNIEXPORT void JNICALL
-Java_com_google_android_filament_VertexBuffer_nDestroyBuilder(JNIEnv *env, jclass type,
+Java_com_google_android_filament_VertexBuffer_nDestroyBuilder(JNIEnv*, jclass,
         jlong nativeBuilder) {
     VertexBuffer::Builder* builder = (VertexBuffer::Builder *) nativeBuilder;
     delete builder;
 }
 
 extern "C" JNIEXPORT void JNICALL
-Java_com_google_android_filament_VertexBuffer_nBuilderVertexCount(JNIEnv *env, jclass type,
+Java_com_google_android_filament_VertexBuffer_nBuilderVertexCount(JNIEnv*, jclass,
         jlong nativeBuilder, jint vertexCount) {
     VertexBuffer::Builder* builder = (VertexBuffer::Builder *) nativeBuilder;
     builder->vertexCount((uint32_t) vertexCount);
 }
 
 extern "C" JNIEXPORT void JNICALL
-Java_com_google_android_filament_VertexBuffer_nBuilderEnableBufferObjects(JNIEnv *env, jclass type,
+Java_com_google_android_filament_VertexBuffer_nBuilderEnableBufferObjects(JNIEnv*, jclass,
         jlong nativeBuilder, jboolean enabled) {
     VertexBuffer::Builder* builder = (VertexBuffer::Builder *) nativeBuilder;
     builder->enableBufferObjects(enabled);
 }
 
 extern "C" JNIEXPORT void JNICALL
-Java_com_google_android_filament_VertexBuffer_nBuilderBufferCount(JNIEnv *env, jclass type,
+Java_com_google_android_filament_VertexBuffer_nBuilderBufferCount(JNIEnv*, jclass,
         jlong nativeBuilder, jint bufferCount) {
     VertexBuffer::Builder* builder = (VertexBuffer::Builder *) nativeBuilder;
     builder->bufferCount((uint8_t) bufferCount);
 }
 
 extern "C" JNIEXPORT void JNICALL
-Java_com_google_android_filament_VertexBuffer_nBuilderAttribute(JNIEnv *env, jclass type,
+Java_com_google_android_filament_VertexBuffer_nBuilderAttribute(JNIEnv*, jclass,
         jlong nativeBuilder, jint attribute, jint bufferIndex, jint attributeType, jint byteOffset,
         jint byteStride) {
     VertexBuffer::Builder* builder = (VertexBuffer::Builder *) nativeBuilder;
@@ -75,14 +75,14 @@ Java_com_google_android_filament_VertexBuffer_nBuilderAttribute(JNIEnv *env, jcl
 }
 
 extern "C" JNIEXPORT void JNICALL
-Java_com_google_android_filament_VertexBuffer_nBuilderNormalized(JNIEnv *env, jclass type,
+Java_com_google_android_filament_VertexBuffer_nBuilderNormalized(JNIEnv*, jclass,
         jlong nativeBuilder, jint attribute, jboolean normalized) {
     VertexBuffer::Builder* builder = (VertexBuffer::Builder *) nativeBuilder;
     builder->normalized((VertexAttribute) attribute, normalized);
 }
 
 extern "C" JNIEXPORT jlong JNICALL
-Java_com_google_android_filament_VertexBuffer_nBuilderBuild(JNIEnv *env, jclass type,
+Java_com_google_android_filament_VertexBuffer_nBuilderBuild(JNIEnv*, jclass,
         jlong nativeBuilder, jlong nativeEngine) {
     VertexBuffer::Builder* builder = (VertexBuffer::Builder *) nativeBuilder;
     Engine *engine = (Engine *) nativeEngine;
@@ -90,14 +90,14 @@ Java_com_google_android_filament_VertexBuffer_nBuilderBuild(JNIEnv *env, jclass
 }
 
 extern "C" JNIEXPORT jint JNICALL
-Java_com_google_android_filament_VertexBuffer_nGetVertexCount(JNIEnv *env, jclass type,
+Java_com_google_android_filament_VertexBuffer_nGetVertexCount(JNIEnv*, jclass,
         jlong nativeVertexBuffer) {
     VertexBuffer *vertexBuffer = (VertexBuffer *) nativeVertexBuffer;
     return (jint) vertexBuffer->getVertexCount();
 }
 
 extern "C" JNIEXPORT jint JNICALL
-Java_com_google_android_filament_VertexBuffer_nSetBufferAt(JNIEnv *env, jclass type,
+Java_com_google_android_filament_VertexBuffer_nSetBufferAt(JNIEnv *env, jclass,
         jlong nativeVertexBuffer, jlong nativeEngine, jint bufferIndex,
         jobject buffer, jint remaining,
         jint destOffsetInBytes, jint count, jobject handler, jobject runnable) {
@@ -114,7 +114,8 @@ Java_com_google_android_filament_VertexBuffer_nSetBufferAt(JNIEnv *env, jclass t
 
     auto* callback = JniBufferCallback::make(engine, env, handler, runnable, std::move(nioBuffer));
 
-    BufferDescriptor desc(data, sizeInBytes, &JniBufferCallback::invoke, callback);
+    BufferDescriptor desc(data, sizeInBytes,
+            callback->getHandler(), &JniBufferCallback::postToJavaAndDestroy, callback);
 
     vertexBuffer->setBufferAt(*engine, (uint8_t) bufferIndex, std::move(desc),
             (uint32_t) destOffsetInBytes);
@@ -123,7 +124,7 @@ Java_com_google_android_filament_VertexBuffer_nSetBufferAt(JNIEnv *env, jclass t
 }
 
 extern "C" JNIEXPORT void JNICALL
-Java_com_google_android_filament_VertexBuffer_nSetBufferObjectAt(JNIEnv *env, jclass type,
+Java_com_google_android_filament_VertexBuffer_nSetBufferObjectAt(JNIEnv*, jclass,
         jlong nativeVertexBuffer, jlong nativeEngine, jint bufferIndex, jlong nativeBufferObject) {
     VertexBuffer *vertexBuffer = (VertexBuffer *) nativeVertexBuffer;
     Engine *engine = (Engine *) nativeEngine;

android/filament-android/src/main/cpp/View.cpp

@@ -20,6 +20,10 @@
 #include <filament/View.h>
 #include <filament/Viewport.h>
 
+#include "common/CallbackUtils.h"
+
+#include "private/backend/VirtualMachineEnv.h"
+
 using namespace filament;
 
 extern "C" JNIEXPORT void JNICALL
@@ -82,13 +86,19 @@ Java_com_google_android_filament_View_nSetRenderTarget(JNIEnv*, jclass,
 extern "C" JNIEXPORT void JNICALL
 Java_com_google_android_filament_View_nSetSampleCount(JNIEnv*, jclass, jlong nativeView, jint count) {
     View* view = (View*) nativeView;
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wdeprecated-declarations"
     view->setSampleCount((uint8_t) count);
+#pragma clang diagnostic pop
 }
 
 extern "C" JNIEXPORT jint JNICALL
 Java_com_google_android_filament_View_nGetSampleCount(JNIEnv*, jclass, jlong nativeView) {
     View* view = (View*) nativeView;
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wdeprecated-declarations"
     return view->getSampleCount();
+#pragma clang diagnostic pop
 }
 
 extern "C" JNIEXPORT void JNICALL
@@ -321,8 +331,8 @@ Java_com_google_android_filament_View_nSetBlendMode(JNIEnv *, jclass , jlong nat
 }
 
 extern "C" JNIEXPORT void JNICALL
-Java_com_google_android_filament_View_nSetDepthOfFieldOptions(JNIEnv *, jclass ,
-        jlong nativeView, jfloat focusDistance, jfloat cocScale, jfloat maxApertureDiameter, jboolean enabled, jint filter,
+Java_com_google_android_filament_View_nSetDepthOfFieldOptions(JNIEnv *, jclass,
+        jlong nativeView, jfloat cocScale, jfloat maxApertureDiameter, jboolean enabled, jint filter,
         jboolean nativeResolution, jint foregroundRingCount, jint backgroundRingCount, jint fastGatherRingCount,
         jint maxForegroundCOC, jint maxBackgroundCOC) {
     View* view = (View*) nativeView;
@@ -351,6 +361,17 @@ Java_com_google_android_filament_View_nSetVignetteOptions(JNIEnv*, jclass, jlong
             .color = LinearColorA{r, g, b, a}, .enabled = (bool)enabled});
 }
 
+extern "C"
+JNIEXPORT void JNICALL
+Java_com_google_android_filament_View_nSetMultiSampleAntiAliasingOptions(JNIEnv* env, jclass clazz,
+        jlong nativeView, jboolean enabled, jint sampleCount, jboolean customResolve) {
+    View* view = (View*) nativeView;
+    view->setMultiSampleAntiAliasingOptions({
+            .enabled = (bool)enabled,
+            .sampleCount = (uint8_t)sampleCount,
+            .customResolve = (bool)customResolve});
+}
+
 extern "C"
 JNIEXPORT void JNICALL
 Java_com_google_android_filament_View_nSetTemporalAntiAliasingOptions(JNIEnv *, jclass,
@@ -382,3 +403,42 @@ Java_com_google_android_filament_View_nIsScreenSpaceRefractionEnabled(JNIEnv *,
     View* view = (View*) nativeView;
     return (jboolean)view->isScreenSpaceRefractionEnabled();
 }
+
+extern "C"
+JNIEXPORT void JNICALL
+Java_com_google_android_filament_View_nPick(JNIEnv* env, jclass,
+        jlong nativeView,
+        jint x, jint y, jobject handler, jobject internalCallback) {
+
+    // jniState will be initialized the first time this method is called
+    static const struct JniState {
+        jclass internalOnPickCallbackClass;
+        jfieldID renderableFieldId;
+        jfieldID depthFieldId;
+        jfieldID fragCoordXFieldId;
+        jfieldID fragCoordYFieldId;
+        jfieldID fragCoordZFieldId;
+        explicit JniState(JNIEnv* env) noexcept {
+            internalOnPickCallbackClass = env->FindClass("com/google/android/filament/View$InternalOnPickCallback");
+            renderableFieldId = env->GetFieldID(internalOnPickCallbackClass, "mRenderable", "I");
+            depthFieldId = env->GetFieldID(internalOnPickCallbackClass, "mDepth", "F");
+            fragCoordXFieldId = env->GetFieldID(internalOnPickCallbackClass, "mFragCoordsX", "F");
+            fragCoordYFieldId = env->GetFieldID(internalOnPickCallbackClass, "mFragCoordsY", "F");
+            fragCoordZFieldId = env->GetFieldID(internalOnPickCallbackClass, "mFragCoordsZ", "F");
+        }
+    } jniState(env);
+
+    View* view = (View*) nativeView;
+    JniCallback *callback = JniCallback::make(env, handler, internalCallback);
+    view->pick(x, y, [callback](View::PickingQueryResult const& result) {
+        // this is executed on the backend/service thread
+        jobject obj = callback->getCallbackObject();
+        JNIEnv* env = filament::VirtualMachineEnv::get().getEnvironment();
+        env->SetIntField(obj, jniState.renderableFieldId, (jint)result.renderable.getId());
+        env->SetFloatField(obj, jniState.depthFieldId, result.depth);
+        env->SetFloatField(obj, jniState.fragCoordXFieldId, result.fragCoords.x);
+        env->SetFloatField(obj, jniState.fragCoordYFieldId, result.fragCoords.y);
+        env->SetFloatField(obj, jniState.fragCoordZFieldId, result.fragCoords.z);
+        JniCallback::postToJavaAndDestroy(callback);
+    }, callback->getHandler());
+}

android/filament-android/src/main/java/com/google/android/filament/ColorGrading.java

@@ -55,6 +55,7 @@ import static com.google.android.filament.Asserts.assertFloat4In;
  * The various transforms held by ColorGrading are applied in the following order:
  * <ul>
  * <li>Exposure</li>
+ * <li>Night adaptation</li>
  * <li>White balance</li>
  * <li>Channel mixer</li>
  * <li>Shadows/mid-tones/highlights</li>
@@ -73,6 +74,7 @@ import static com.google.android.filament.Asserts.assertFloat4In;
  * Here are the default color grading options:
  * <ul>
  * <li>Exposure: 0.0</li>
+ * <li>Night adaptation: 0.0</li>
  * <li>White balance: temperature <code>0.0</code>, and tint <code>0.0</code></li>
  * <li>Channel mixer: red <code>{1,0,0}</code>, green <code>{0,1,0}</code>, blue <code>{0,0,1}</code></li>
  * <li>Shadows/mid-tones/highlights: shadows <code>{1,1,1,0}</code>, mid-tones <code>{1,1,1,0}</code>,
@@ -247,6 +249,22 @@ public class ColorGrading {
             return this;
         }
 
+        /**
+         * Controls the amount of night adaptation to replicate a more natural representation of
+         * low-light conditions as perceived by the human vision system. In low-light conditions,
+         * peak luminance sensitivity of the eye shifts toward the blue end of the color spectrum:
+         * darker tones appear brighter, reducing contrast, and colors are blue shifted (the darker
+         * the more intense the effect).
+         *
+         * @param adaptation Amount of adaptation, between 0 (no adaptation) and 1 (full adaptation).
+         *
+         * @return This Builder, for chaining calls
+         */
+        public Builder nightAdaptation(float adaptation) {
+            nBuilderNightAdaptation(mNativeBuilder, adaptation);
+            return this;
+        }
+
         /**
          * Adjusts the while balance of the image. This can be used to remove color casts
          * and correct the appearance of the white point in the scene, or to alter the
@@ -544,6 +562,7 @@ public class ColorGrading {
     private static native void nBuilderLuminanceScaling(long nativeBuilder, boolean luminanceScaling);
     private static native void nBuilderGamutMapping(long nativeBuilder, boolean gamutMapping);
     private static native void nBuilderExposure(long nativeBuilder, float exposure);
+    private static native void nBuilderNightAdaptation(long nativeBuilder, float adaptation);
     private static native void nBuilderWhiteBalance(long nativeBuilder, float temperature, float tint);
     private static native void nBuilderChannelMixer(long nativeBuilder, float[] outRed, float[] outGreen, float[] outBlue);
     private static native void nBuilderShadowsMidtonesHighlights(long nativeBuilder, float[] shadows, float[] midtones, float[] highlights, float[] ranges);

android/filament-android/src/main/java/com/google/android/filament/Engine.java

@@ -631,7 +631,7 @@ public class Engine {
 
     /**
      * Kicks the hardware thread (e.g.: the OpenGL, Vulkan or Metal thread) and blocks until
-     * all commands to this point are executed. Note that this doesn't guarantee that the
+     * all commands to this point are executed. Note that this does guarantee that the
      * hardware is actually finished.
      *
      * <p>This is typically used right after destroying the <code>SwapChain</code>,

android/filament-android/src/main/java/com/google/android/filament/LightManager.java

@@ -244,13 +244,13 @@ public class LightManager {
          * light. 1mm by default.
          * This is ignored when the View's ShadowType is set to VSM.
          */
-        public float constantBias = 0.05f;
+        public float constantBias = 0.001f;
 
         /** Amount by which the maximum sampling error is scaled. The resulting value is used
          * to move the shadow away from the fragment normal. Should be 1.0.
          * This is ignored when the View's ShadowType is set to VSM.
          */
-        public float normalBias = 0.4f;
+        public float normalBias = 1.0f;
 
         /** Distance from the camera after which shadows are clipped. This is used to clip
          * shadows that are too far and wouldn't contribute to the scene much, improving
@@ -279,7 +279,24 @@ public class LightManager {
          * When set to true, all resolution enhancing features that can affect stability are
          * disabling, resulting in significantly lower resolution shadows, albeit stable ones.
          */
-        public boolean stable = true;
+        public boolean stable = false;
+
+        /**
+         * Constant bias in depth-resolution units by which shadows are moved away from the
+         * light. The default value of 0.5 is used to round depth values up.
+         * Generally this value shouldn't be changed or at least be small and positive.
+         * This is ignored when the View's ShadowType is set to VSM.
+         */
+        float polygonOffsetConstant = 0.5f;
+
+        /**
+         * Bias based on the change in depth in depth-resolution units by which shadows are moved
+         * away from the light. The default value of 2.0 works well with SHADOW_SAMPLING_PCF_LOW.
+         * Generally this value is between 0.5 and the size in texel of the PCF filter.
+         * Setting this value correctly is essential for LISPSM shadow-maps.
+         * This is ignored when the View's ShadowType is set to VSM.
+         */
+        float polygonOffsetSlope = 2.0f;
 
         /**
          * Whether screen-space contact shadows are used. This applies regardless of whether a
@@ -471,7 +488,9 @@ public class LightManager {
             nBuilderShadowOptions(mNativeBuilder,
                     options.mapSize, options.shadowCascades, options.cascadeSplitPositions,
                     options.constantBias, options.normalBias, options.shadowFar, options.shadowNearHint,
-                    options.shadowFarHint, options.stable, options.screenSpaceContactShadows,
+                    options.shadowFarHint, options.stable,
+                    options.polygonOffsetConstant, options.polygonOffsetSlope,
+                    options.screenSpaceContactShadows,
                     options.stepCount, options.maxShadowDistance, options.vsmMsaaSamples,
                     options.blurWidth);
             return this;
@@ -1131,7 +1150,7 @@ public class LightManager {
     private static native void nDestroyBuilder(long nativeBuilder);
     private static native boolean nBuilderBuild(long nativeBuilder, long nativeEngine, int entity);
     private static native void nBuilderCastShadows(long nativeBuilder, boolean enable);
-    private static native void nBuilderShadowOptions(long nativeBuilder, int mapSize, int cascades, float[] splitPositions, float constantBias, float normalBias, float shadowFar, float shadowNearHint, float shadowFarhint, boolean stable, boolean screenSpaceContactShadows, int stepCount, float maxShadowDistance, int vsmMsaaSamples, float blurWidth);
+    private static native void nBuilderShadowOptions(long nativeBuilder, int mapSize, int cascades, float[] splitPositions, float constantBias, float normalBias, float shadowFar, float shadowNearHint, float shadowFarhint, boolean stable, float polygonOffsetConstant, float polygonOffsetSlope, boolean screenSpaceContactShadows, int stepCount, float maxShadowDistance, int vsmMsaaSamples, float blurWidth);
     private static native void nBuilderCastLight(long nativeBuilder, boolean enabled);
     private static native void nBuilderPosition(long nativeBuilder, float x, float y, float z);
     private static native void nBuilderDirection(long nativeBuilder, float x, float y, float z);

android/filament-android/src/main/java/com/google/android/filament/MaterialInstance.java

@@ -56,6 +56,7 @@ public class MaterialInstance {
 
     MaterialInstance(@NonNull Material material, long nativeMaterialInstance) {
         mMaterial = material;
+        mNativeMaterial = material.getNativeObject();
         mNativeObject = nativeMaterialInstance;
     }
 
@@ -77,7 +78,7 @@ public class MaterialInstance {
     public static MaterialInstance duplicate(@NonNull MaterialInstance other, String name) {
         long nativeInstance = nDuplicate(other.mNativeObject, name);
         if (nativeInstance == 0) throw new IllegalStateException("Couldn't duplicate MaterialInstance");
-        return new MaterialInstance(other.mMaterial, nativeInstance);
+        return new MaterialInstance(other.getMaterial(), nativeInstance);
     }
 
     /** @return the {@link Material} associated with this instance */

android/filament-android/src/main/java/com/google/android/filament/Renderer.java

@@ -107,12 +107,12 @@ public class Renderer {
         /**
          * Rate at which the scale will change to reach the target frame rate.
          */
-        public float scaleRate = 0.125f;
+        public float scaleRate = 1.0f / 15.0f;
 
         /**
-         * History size. higher values, tend to filter more (clamped to 30).
+         * History size. higher values, tend to filter more (clamped to 31).
          */
-        public int history = 9;
+        public int history = 15;
     }
 
     /**
@@ -437,8 +437,9 @@ public class Renderer {
      *</pre>
      *
      *
-     * <p>Typically <code>readPixels</code> will be called after {@link #render} and before
-     * {@link #endFrame}.</p>
+     * <p><code>readPixels</code> must be called within a frame, meaning after {@link #beginFrame}
+     * and before {@link #endFrame}. Typically, <code>readPixels</code> will be called after
+     * {@link #render}.</p>
      * <br>
      * <p>After calling this method, the callback associated with <code>buffer</code>
      * will be invoked on the main thread, indicating that the read-back has completed.

android/filament-android/src/main/java/com/google/android/filament/Texture.java

@@ -216,7 +216,38 @@ public class Texture {
         ETC2_EAC_RGBA8, ETC2_EAC_SRGBA8,
 
         // Available everywhere except Android/iOS
-        DXT1_RGB, DXT1_RGBA, DXT3_RGBA, DXT5_RGBA
+        DXT1_RGB, DXT1_RGBA, DXT3_RGBA, DXT5_RGBA,
+        DXT1_SRGB, DXT1_SRGBA, DXT3_SRGBA, DXT5_SRGBA,
+
+        // ASTC formats are available with a GLES extension
+        RGBA_ASTC_4x4,
+        RGBA_ASTC_5x4,
+        RGBA_ASTC_5x5,
+        RGBA_ASTC_6x5,
+        RGBA_ASTC_6x6,
+        RGBA_ASTC_8x5,
+        RGBA_ASTC_8x6,
+        RGBA_ASTC_8x8,
+        RGBA_ASTC_10x5,
+        RGBA_ASTC_10x6,
+        RGBA_ASTC_10x8,
+        RGBA_ASTC_10x10,
+        RGBA_ASTC_12x10,
+        RGBA_ASTC_12x12,
+        SRGB8_ALPHA8_ASTC_4x4,
+        SRGB8_ALPHA8_ASTC_5x4,
+        SRGB8_ALPHA8_ASTC_5x5,
+        SRGB8_ALPHA8_ASTC_6x5,
+        SRGB8_ALPHA8_ASTC_6x6,
+        SRGB8_ALPHA8_ASTC_8x5,
+        SRGB8_ALPHA8_ASTC_8x6,
+        SRGB8_ALPHA8_ASTC_8x8,
+        SRGB8_ALPHA8_ASTC_10x5,
+        SRGB8_ALPHA8_ASTC_10x6,
+        SRGB8_ALPHA8_ASTC_10x8,
+        SRGB8_ALPHA8_ASTC_10x10,
+        SRGB8_ALPHA8_ASTC_12x10,
+        SRGB8_ALPHA8_ASTC_12x12
     }
 
     /**
@@ -231,7 +262,38 @@ public class Texture {
         ETC2_EAC_RGBA8, ETC2_EAC_SRGBA8,
 
         // Available everywhere except Android/iOS
-        DXT1_RGB, DXT1_RGBA, DXT3_RGBA, DXT5_RGBA
+        DXT1_RGB, DXT1_RGBA, DXT3_RGBA, DXT5_RGBA,
+        DXT1_SRGB, DXT1_SRGBA, DXT3_SRGBA, DXT5_SRGBA,
+
+        // ASTC formats are available with a GLES extension
+        RGBA_ASTC_4x4,
+        RGBA_ASTC_5x4,
+        RGBA_ASTC_5x5,
+        RGBA_ASTC_6x5,
+        RGBA_ASTC_6x6,
+        RGBA_ASTC_8x5,
+        RGBA_ASTC_8x6,
+        RGBA_ASTC_8x8,
+        RGBA_ASTC_10x5,
+        RGBA_ASTC_10x6,
+        RGBA_ASTC_10x8,
+        RGBA_ASTC_10x10,
+        RGBA_ASTC_12x10,
+        RGBA_ASTC_12x12,
+        SRGB8_ALPHA8_ASTC_4x4,
+        SRGB8_ALPHA8_ASTC_5x4,
+        SRGB8_ALPHA8_ASTC_5x5,
+        SRGB8_ALPHA8_ASTC_6x5,
+        SRGB8_ALPHA8_ASTC_6x6,
+        SRGB8_ALPHA8_ASTC_8x5,
+        SRGB8_ALPHA8_ASTC_8x6,
+        SRGB8_ALPHA8_ASTC_8x8,
+        SRGB8_ALPHA8_ASTC_10x5,
+        SRGB8_ALPHA8_ASTC_10x6,
+        SRGB8_ALPHA8_ASTC_10x8,
+        SRGB8_ALPHA8_ASTC_10x10,
+        SRGB8_ALPHA8_ASTC_12x10,
+        SRGB8_ALPHA8_ASTC_12x12
     }
 
     /**

android/filament-android/src/main/java/com/google/android/filament/View.java

@@ -75,6 +75,7 @@ public class View {
     private VignetteOptions mVignetteOptions;
     private ColorGrading mColorGrading;
     private TemporalAntiAliasingOptions mTemporalAntiAliasingOptions;
+    private MultiSampleAntiAliasingOptions mMultiSampleAntiAliasingOptions;
     private VsmShadowOptions mVsmShadowOptions;
 
     /**
@@ -131,19 +132,19 @@ public class View {
         public float maxScale = 1.0f;
 
         /**
-         * Sharpness when QualityLevel.ULTRA is used [0, 2].
-         * 0 is the sharpest setting, 2 is the smoothest setting.
-         * The default is set to 0.2
+         * Sharpness when QualityLevel.MEDIUM or higher is used [0, 1].
+         * 0 is disabled, 1 is the sharpest setting.
+         * The default is set to 0.9
          */
-        public float sharpness = 0.2f;
+        public float sharpness = 0.9f;
 
         /**
          * Upscaling quality
          * LOW: bilinear filtered blit. Fastest, poor quality
-         * MEDIUM: 16-tap optimized tent filter.
-         * HIGH: 36-tap optimized tent filter.
-         * ULTRA: AMD FidelityFX FSR1. Slowest, very high quality.
-         *      Requires a well anti-aliased (MSAA or TAA), noise free scene.
+         * MEDIUM: AMD FidelityFX FSR1 w/ mobile optimizations no RCAS sharpening pass
+         * HIGH:   AMD FidelityFX FSR1 w/ mobile optimizations + RCAS
+         * ULTRA:  AMD FidelityFX FSR1
+         *      FSR1 require a well anti-aliased (MSAA or TAA), noise free scene.
          *
          * The default upscaling quality is set to LOW.
          */
@@ -291,6 +292,29 @@ public class View {
        public boolean ssctEnabled = false;
     }
 
+    /**
+     * Options for Multi-sample Anti-aliasing (MSAA)
+     * @see View#setMultiSampleAntiAliasingOptions
+     */
+    public static class MultiSampleAntiAliasingOptions {
+        /** enables or disables temporal anti-aliasing */
+        public boolean enabled = false;
+
+        /**
+         * number of samples to use for multi-sampled anti-aliasing.\n
+         *      0: treated as 1
+         *      1: no anti-aliasing
+         *      n: sample count. Effective sample could be different depending on the
+         *         GPU capabilities.
+         */
+        public int sampleCount = 4;
+
+        /**
+         * custom resolve improves quality for HDR scenes, but may impact performance.
+         */
+        public boolean customResolve = false;
+    };
+
     /**
      * Options for Temporal Anti-aliasing (TAA)
      * @see View#setTemporalAntiAliasingOptions
@@ -1047,7 +1071,10 @@ public class View {
      * </p>
      *
      * @param count number of samples to use for multi-sampled anti-aliasing.
+     *
+     * @deprecated use setMultiSampleAntiAliasingOptions instead
      */
+    @Deprecated
     public void setSampleCount(int count) {
         nSetSampleCount(getNativeObject(), count);
     }
@@ -1060,7 +1087,10 @@ public class View {
      * </p>
      *
      * @return value set by {@link #setSampleCount}
+     *
+     * @deprecated use getMultiSampleAntiAliasingOptions instead
      */
+    @Deprecated
     public int getSampleCount() {
         return nGetSampleCount(getNativeObject());
     }
@@ -1089,6 +1119,30 @@ public class View {
         return AntiAliasing.values()[nGetAntiAliasing(getNativeObject())];
     }
 
+    /**
+     * Enables or disable multi-sample anti-aliasing (MSAA). Disabled by default.
+     *
+     * @param options multi-sample anti-aliasing options
+     */
+    public void setMultiSampleAntiAliasingOptions(@NonNull MultiSampleAntiAliasingOptions options) {
+        mMultiSampleAntiAliasingOptions = options;
+        nSetMultiSampleAntiAliasingOptions(getNativeObject(),
+                options.enabled, options.sampleCount, options.customResolve);
+    }
+
+    /**
+     * Returns multi-sample anti-aliasing options.
+     *
+     * @return multi-sample anti-aliasing options
+     */
+    @NonNull
+    public MultiSampleAntiAliasingOptions getMultiSampleAntiAliasingOptions() {
+        if (mMultiSampleAntiAliasingOptions == null) {
+            mMultiSampleAntiAliasingOptions = new MultiSampleAntiAliasingOptions();
+        }
+        return mMultiSampleAntiAliasingOptions;
+    }
+
     /**
      * Enables or disable temporal anti-aliasing (TAA). Disabled by default.
      *
@@ -1548,6 +1602,71 @@ public class View {
         return mDepthOfFieldOptions;
     }
 
+    /**
+     * A class containing the result of a picking query
+     */
+    public static class PickingQueryResult {
+        /** The entity of the renderable at the picking query location */
+        @Entity public int renderable;
+        /** The value of the depth buffer at the picking query location */
+        public float depth;
+        /** The fragment coordinate in GL convention at the picking query location */
+        @NonNull public float[] fragCoords = new float[3];
+    };
+
+    /**
+     * An interface to implement a custom class to receive results of picking queries.
+     */
+    public interface OnPickCallback {
+        /**
+         * onPick() is called by the specified Handler in {@link View#pick} when the picking query
+         * result is available.
+         * @param result An instance of {@link PickingQueryResult}.
+         */
+        void onPick(@NonNull PickingQueryResult result);
+    }
+
+    /**
+     * Creates a picking query. Multiple queries can be created (e.g.: multi-touch).
+     * Picking queries are all executed when {@link Renderer#render} is called on this View.
+     * The provided callback is guaranteed to be called at some point in the future.
+     *
+     * Typically it takes a couple frames to receive the result of a picking query.
+     *
+     * @param x        Horizontal coordinate to query in the viewport with origin on the left.
+     * @param y        Vertical coordinate to query on the viewport with origin at the bottom.
+     * @param handler  An {@link java.util.concurrent.Executor Executor}.
+     *                 On Android this can also be a {@link android.os.Handler Handler}.
+     * @param callback User callback executed by <code>handler</code> when the picking query
+     *                 result is available.
+     */
+    public void pick(int x, int y,
+            @Nullable Object handler, @Nullable OnPickCallback callback) {
+        InternalOnPickCallback internalCallback = new InternalOnPickCallback(callback);
+        nPick(getNativeObject(), x, y, handler, internalCallback);
+    }
+
+    private static class InternalOnPickCallback implements Runnable {
+        public InternalOnPickCallback(OnPickCallback mUserCallback) {
+            this.mUserCallback = mUserCallback;
+        }
+        @Override
+        public void run() {
+            mPickingQueryResult.renderable = mRenderable;
+            mPickingQueryResult.depth = mDepth;
+            mPickingQueryResult.fragCoords[0] = mFragCoordsX;
+            mPickingQueryResult.fragCoords[1] = mFragCoordsY;
+            mPickingQueryResult.fragCoords[2] = mFragCoordsZ;
+            mUserCallback.onPick(mPickingQueryResult);
+        }
+        private final OnPickCallback mUserCallback;
+        private final PickingQueryResult mPickingQueryResult = new PickingQueryResult();
+        @Entity int mRenderable;
+        float mDepth;
+        float mFragCoordsX;
+        float mFragCoordsY;
+        float mFragCoordsZ;
+    }
 
     public long getNativeObject() {
         if (mNativeObject == 0) {
@@ -1595,7 +1714,9 @@ public class View {
             boolean nativeResolution, int foregroundRingCount, int backgroundRingCount, int fastGatherRingCount, int maxForegroundCOC, int maxBackgroundCOC);
     private static native void nSetVignetteOptions(long nativeView, float midPoint, float roundness, float feather, float r, float g, float b, float a, boolean enabled);
     private static native void nSetTemporalAntiAliasingOptions(long nativeView, float feedback, float filterWidth, boolean enabled);
+    private static native void nSetMultiSampleAntiAliasingOptions(long nativeView, boolean enabled, int sampleCount, boolean customResolve);
     private static native boolean nIsShadowingEnabled(long nativeView);
     private static native void nSetScreenSpaceRefractionEnabled(long nativeView, boolean enabled);
     private static native boolean nIsScreenSpaceRefractionEnabled(long nativeView);
+    private static native void nPick(long nativeView, int x, int y, Object handler, InternalOnPickCallback internalCallback);
 }

android/filament-utils-android/CMakeLists.txt

@@ -50,6 +50,7 @@ target_compile_definitions(filament-utils-jni PUBLIC IMAGEIO_LITE=1)
 target_include_directories(filament-utils-jni PRIVATE
         ${FILAMENT_DIR}/include
         ..
+        ../../filament/backend/include
         ${IMAGEIO_DIR}/include
         ../../libs/utils/include)
 

android/filament-utils-android/build.gradle

@@ -9,6 +9,13 @@ android {
 
         lite {
             dimension "functionality"
+            externalNativeBuild {
+                cmake {
+                    // hack: this is needed because filament-utils-android/CMakeLists.txt builds
+                    // gltfio from source, which needs this defined
+                    arguments.add("-DGLTFIO_LITE=ON")
+                }
+            }
         }
     }
 
@@ -43,13 +50,14 @@ configurations.all { config ->
 dependencies {
     implementation deps.kotlin
     implementation deps.androidx.annotations
-    implementation project(':filament-android')
 
-    implementation 'org.jetbrains.kotlinx:kotlinx-coroutines-core:1.3.8'
-    implementation 'org.jetbrains.kotlinx:kotlinx-coroutines-android:1.3.3'
+    implementation 'org.jetbrains.kotlinx:kotlinx-coroutines-core:1.5.0'
+    implementation 'org.jetbrains.kotlinx:kotlinx-coroutines-android:1.5.0'
 
-    fullImplementation module("com.google.android.filament:gltfio-android:${VERSION_NAME}")
-    liteImplementation module("com.google.android.filament:gltfio-android-lite:${VERSION_NAME}")
+    api project(':filament-android')
+
+    fullApi module("com.google.android.filament:gltfio-android:${VERSION_NAME}")
+    liteApi module("com.google.android.filament:gltfio-android-lite:${VERSION_NAME}")
 }
 
 apply from: rootProject.file('gradle/gradle-mvn-push.gradle')

android/filament-utils-android/src/main/java/com/google/android/filament/utils/IBLPrefilterContext.java

@@ -32,9 +32,13 @@ import com.google.android.filament.Texture;
  * Texture equirect = HDRLoader.createTexture("foo.hdr");
  * Texture skyboxTexture = equirectangularToCubemap.run(equirect);
  * engine.destroy(equirect);
+ * equirectangularToCubemap.destroy();
  *
  * specularFilter = new IBLPrefilterContext.SpecularFilter(context);
  * Texture reflections = specularFilter.run(skyboxTexture);
+ * specularFilter.destroy();
+ *
+ * context.destroy();
  *
  * IndirectLight ibl = IndirectLight.Builder()
  *         .reflections(reflections)
@@ -43,81 +47,74 @@ import com.google.android.filament.Texture;
  * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  */
 public class IBLPrefilterContext {
-    private final long mNativeObject;
+    private long mNativeObject;
 
     public IBLPrefilterContext(Engine engine) {
         mNativeObject = nCreate(engine.getNativeObject());
         if (mNativeObject == 0) throw new IllegalStateException("Couldn't create IBLPrefilterContext");
     }
 
-    @Override
-    protected void finalize() throws Throwable {
-        nDestroy(mNativeObject);
-        super.finalize();
+    public void destroy() {
+        nDestroy(getNativeObject());
+        mNativeObject = 0;
     }
 
     public static class EquirectangularToCubemap {
-        @SuppressWarnings({"FieldCanBeLocal", "UnusedDeclaration"}) // Keep to finalize native resources
-        private final HelperFinalizer mFinalizer;
-        private final long mNativeHelper;
+        private long mNativeObject;
 
         public EquirectangularToCubemap(IBLPrefilterContext context) {
-            mNativeHelper = nCreateEquirectHelper(context.mNativeObject);
-            mFinalizer = new HelperFinalizer(mNativeHelper);
+            mNativeObject = nCreateEquirectHelper(context.getNativeObject());
         }
 
         public Texture run(Texture equirect) {
-            long nativeTexture = nEquirectHelperRun(mNativeHelper, equirect.getNativeObject());
+            long nativeTexture = nEquirectHelperRun(getNativeObject(), equirect.getNativeObject());
             return new Texture(nativeTexture);
         }
 
-        private static class HelperFinalizer {
-            private final long mNativeObject;
+        public void destroy() {
+            nDestroyEquirectHelper(getNativeObject());
+            mNativeObject = 0;
+        }
 
-            HelperFinalizer(long nativeObject) { mNativeObject = nativeObject; }
-
-            @Override
-            public void finalize() {
-                try {
-                    super.finalize();
-                } catch (Throwable t) { // Ignore
-                } finally {
-                    nDestroyEquirectHelper(mNativeObject);
-                }
+        protected long getNativeObject() {
+            if (mNativeObject == 0) {
+                throw new IllegalStateException("Calling method on destroyed EquirectangularToCubemap");
             }
+            return mNativeObject;
         }
     }
 
     public static class SpecularFilter {
-        @SuppressWarnings({"FieldCanBeLocal", "UnusedDeclaration"}) // Keep to finalize native resources
-        private final HelperFinalizer mFinalizer;
-        private final long mNativeHelper;
+        private long mNativeObject;
 
         public SpecularFilter(IBLPrefilterContext context) {
-            mNativeHelper = nCreateSpecularFilter(context.mNativeObject);
-            mFinalizer = new HelperFinalizer(mNativeHelper);
+            mNativeObject = nCreateSpecularFilter(context.getNativeObject());
         }
 
         public Texture run(Texture skybox) {
-            long nativeTexture = nSpecularFilterRun(mNativeHelper, skybox.getNativeObject());
+            long nativeTexture = nSpecularFilterRun(getNativeObject(), skybox.getNativeObject());
             return new Texture(nativeTexture);
         }
 
-        private static class HelperFinalizer {
-            private final long mNativeObject;
-
-            HelperFinalizer(long nativeObject) { mNativeObject = nativeObject; }
-
-            @Override
-            public void finalize() {
-                try {
-                    super.finalize();
-                } catch (Throwable t) { // Ignore
-                } finally {
-                    nDestroySpecularFilter(mNativeObject);
-                }
-            }
+        public void destroy() {
+            nDestroySpecularFilter(getNativeObject());
+            mNativeObject = 0;
         }
+
+        protected long getNativeObject() {
+            if (mNativeObject == 0) {
+                throw new IllegalStateException("Calling method on destroyed SpecularFilter");
+            }
+            return mNativeObject;
+        }
+    }
+
+
+    protected long getNativeObject() {
+        if (mNativeObject == 0) {
+            throw new IllegalStateException("Calling method on destroyed IBLPrefilterContext");
+        }
+        return mNativeObject;
     }
 
     private static native long nCreate(long nativeEngine);

android/gltfio-android/CMakeLists.txt

@@ -76,6 +76,8 @@ set(GLTFIO_INCLUDE_DIRS
         ..
         ${FILAMENT_DIR}/include
         ${FILAMENT_DIR}/include/gltfio/resources
+        ../../filament/backend/include
+        ../../libs/gltfio/include
         ../../third_party/cgltf
         ../../third_party/robin-map
         ../../third_party/hat-trie

android/gltfio-android/build.gradle

@@ -27,7 +27,8 @@ android {
 
 dependencies {
     implementation deps.androidx.annotations
-    implementation project(':filament-android')
+
+    api project(':filament-android')
 }
 
 apply from: rootProject.file('gradle/gradle-mvn-push.gradle')

android/gradle.properties

@@ -1,5 +1,5 @@
 GROUP=com.google.android.filament
-VERSION_NAME=1.12.3
+VERSION_NAME=1.14.2
 
 POM_DESCRIPTION=Real-time physically based rendering engine for Android.
 
@@ -18,3 +18,11 @@ POM_DEVELOPER_NAME=Filament Team
 org.gradle.jvmargs=-Xmx1536m
 
 android.useAndroidX=true
+
+org.gradle.unsafe.configuration-cache=true
+# TODO: Remove this when we switch to Gradle 7.4
+org.gradle.unsafe.configuration-cache.max-problems=3
+
+com.google.android.filament.tools-dir=../../../out/release/filament
+com.google.android.filament.dist-dir=../out/android-release/filament
+com.google.android.filament.abis=all

android/gradle/wrapper/gradle-wrapper.properties

@@ -1,3 +1,4 @@
+#Wed Nov 17 10:40:18 PST 2021
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 distributionUrl=https\://services.gradle.org/distributions/gradle-7.0.2-bin.zip

android/samples/sample-gltf-viewer/build.gradle

@@ -1,6 +1,8 @@
-apply plugin: 'com.android.application'
-apply plugin: 'kotlin-android'
-apply plugin: FilamentToolsPlugin
+plugins {
+    id 'com.android.application'
+    id 'kotlin-android'
+    id 'filament-tools-plugin'
+}
 
 project.ext.isSample = true
 
@@ -10,6 +12,7 @@ filamentTools {
     iblOutputDir = project.layout.projectDirectory.dir("src/main/assets/envs")
 }
 
+// don't forget to update MainACtivity.kt when/if changing this.
 task copyMesh(type: Copy) {
     from "../../../third_party/models/BusterDrone"
     into "src/main/assets/models"
@@ -29,6 +32,11 @@ android {
         targetSdkVersion versions.targetSdk
         missingDimensionStrategy 'functionality', 'full'
     }
+    // NOTE: This is a workaround required because the AGP task collectReleaseDependencies
+    //       is not configuration-cache friendly yet; this is only useful for Play publication
+    dependenciesInfo {
+        includeInApk = false
+    }
 }
 
 dependencies {
@@ -36,5 +44,5 @@ dependencies {
     implementation project(':filament-android')
     implementation project(':gltfio-android')
     implementation project(':filament-utils-android')
-    implementation 'org.jetbrains.kotlinx:kotlinx-coroutines-core:1.3.8'
+    implementation 'org.jetbrains.kotlinx:kotlinx-coroutines-core:1.5.0'
 }

android/samples/sample-gltf-viewer/src/main/AndroidManifest.xml

@@ -12,7 +12,9 @@
       android:supportsRtl="true"
       android:largeHeap="true"
       android:theme="@android:style/Theme.NoTitleBar">
-    <activity android:name="com.google.android.filament.gltf.MainActivity"
+    <activity
+        android:exported="true"
+        android:name="com.google.android.filament.gltf.MainActivity"
         android:screenOrientation="fullSensor"
         android:configChanges="orientation|screenSize|screenLayout|keyboardHidden">
       <intent-filter>

android/samples/sample-gltf-viewer/src/main/java/com/google/android/filament/gltf/MainActivity.kt

@@ -96,18 +96,36 @@ class MainActivity : Activity() {
         setStatusText("To load a new model, go to the above URL on your host machine.")
 
         val view = modelViewer.view
-        view.dynamicResolutionOptions = view.dynamicResolutionOptions.apply {
-            enabled = true
-            quality = View.QualityLevel.ULTRA
-            homogeneousScaling = true
-            minScale = 0.5f
-            maxScale = 0.5f
+
+        /*
+         * Note: The settings below are overriden when connecting to the remote UI.
+         */
+
+        // on mobile, better use lower quality color buffer
+        view.renderQuality = view.renderQuality.apply {
+            hdrColorBuffer = View.QualityLevel.MEDIUM
         }
 
+        // dynamic resolution often helps a lot
+        view.dynamicResolutionOptions = view.dynamicResolutionOptions.apply {
+            enabled = true
+            quality = View.QualityLevel.MEDIUM
+        }
+
+        // MSAA is needed with dynamic resolution MEDIUM
+        view.multiSampleAntiAliasingOptions = view.multiSampleAntiAliasingOptions.apply {
+            enabled = true
+        }
+
+        // FXAA is pretty cheap and helps a lot
+        view.antiAliasing = View.AntiAliasing.FXAA;
+
+        // ambient occlusion is the cheapest effect that adds a lot of quality
         view.ambientOcclusionOptions = view.ambientOcclusionOptions.apply {
             enabled = true
         }
 
+        // bloom is pretty expensive but adds a fair amount of realism
         view.bloomOptions = view.bloomOptions.apply {
             enabled = true
         }
@@ -199,6 +217,10 @@ class MainActivity : Activity() {
 
                 val sky = Skybox.Builder().environment(skyboxTexture).build(engine)
 
+                specularFilter.destroy();
+                equirectToCubemap.destroy();
+                context.destroy();
+
                 modelViewer.scene.skybox = sky
                 modelViewer.scene.indirectLight = ibl
             }

android/samples/sample-hello-camera/build.gradle

@@ -1,6 +1,8 @@
-apply plugin: 'com.android.application'
-apply plugin: 'kotlin-android'
-apply plugin: FilamentToolsPlugin
+plugins {
+    id 'com.android.application'
+    id 'kotlin-android'
+    id 'filament-tools-plugin'
+}
 
 project.ext.isSample = true
 
@@ -17,10 +19,16 @@ android {
     compileSdkVersion versions.compileSdk
     defaultConfig {
         applicationId "com.google.android.filament.hellocamera"
-        minSdkVersion versions.minSdk
+        minSdkVersion 23
         targetSdkVersion versions.targetSdk
     }
 
+    // NOTE: This is a workaround required because the AGP task collectReleaseDependencies
+    //       is not configuration-cache friendly yet; this is only useful for Play publication
+    dependenciesInfo {
+        includeInApk = false
+    }
+
     // We use the .filamat extension for materials compiled with matc
     // Telling aapt to not compress them allows to load them efficiently
     aaptOptions {

android/samples/sample-hello-camera/src/main/AndroidManifest.xml

@@ -31,7 +31,9 @@
       android:roundIcon="@mipmap/ic_launcher_round"
       android:supportsRtl="true"
       android:theme="@style/AppTheme">
-    <activity android:name=".MainActivity">
+    <activity
+        android:exported="true"
+        android:name=".MainActivity">
       <intent-filter>
         <action android:name="android.intent.action.MAIN"/>
 

android/samples/sample-hello-camera/src/main/java/com/google/android/filament/hellocam/CameraHelper.kt

@@ -33,7 +33,9 @@ import android.graphics.ImageFormat
 import android.hardware.HardwareBuffer
 import android.media.ImageReader
 import android.opengl.Matrix
-import android.view.Display
+import android.os.Build
+import android.os.Looper
+import androidx.annotation.RequiresApi
 
 import com.google.android.filament.*
 
@@ -44,7 +46,7 @@ import java.util.concurrent.TimeUnit
  * Toy class that handles all interaction with the Android camera2 API.
  * Sets the "textureTransform" and "videoTexture" parameters on the given Filament material.
  */
-class CameraHelper(val activity: Activity, private val filamentEngine: Engine, private val filamentMaterial: MaterialInstance, private val display: Display) {
+class CameraHelper(val activity: Activity, private val filamentEngine: Engine, private val filamentMaterial: MaterialInstance) {
     private lateinit var cameraId: String
     private lateinit var captureRequest: CaptureRequest
 
@@ -63,6 +65,20 @@ class CameraHelper(val activity: Activity, private val filamentEngine: Engine, p
             kImageReaderMaxImages,
             HardwareBuffer.USAGE_GPU_SAMPLED_IMAGE)
 
+    @Suppress("deprecation")
+    private val display = if (Build.VERSION.SDK_INT >= 30) {
+        Api30Impl.getDisplay(activity)
+    } else {
+        activity.windowManager.defaultDisplay!!
+    }
+
+    @RequiresApi(30)
+    class Api30Impl {
+        companion object {
+            fun getDisplay(context: Context) = context.display!!
+        }
+    }
+
     private val cameraCallback = object : CameraDevice.StateCallback() {
         override fun onOpened(cameraDevice: CameraDevice) {
             cameraOpenCloseLock.release()
@@ -87,7 +103,9 @@ class CameraHelper(val activity: Activity, private val filamentEngine: Engine, p
         val stream = filamentStream
         if (stream != null) {
             imageReader.acquireLatestImage()?.also {
-                stream.setAcquiredImage(it.hardwareBuffer, Handler()) { it.close() }
+                stream.setAcquiredImage(it.hardwareBuffer, Handler(Looper.getMainLooper())) {
+                    it.close()
+                }
             }
         }
     }

android/samples/sample-hello-camera/src/main/java/com/google/android/filament/hellocam/MainActivity.kt

@@ -94,7 +94,7 @@ class MainActivity : Activity(), ActivityCompat.OnRequestPermissionsResultCallba
         setupView()
         setupScene()
 
-        cameraHelper = CameraHelper(this, engine, materialInstance, windowManager.defaultDisplay)
+        cameraHelper = CameraHelper(this, engine, materialInstance)
         cameraHelper.openCamera()
     }
 

android/samples/sample-hello-triangle/build.gradle

@@ -1,6 +1,8 @@
-apply plugin: 'com.android.application'
-apply plugin: 'kotlin-android'
-apply plugin: FilamentToolsPlugin
+plugins {
+    id 'com.android.application'
+    id 'kotlin-android'
+    id 'filament-tools-plugin'
+}
 
 project.ext.isSample = true
 
@@ -21,6 +23,12 @@ android {
         targetSdkVersion versions.targetSdk
     }
 
+    // NOTE: This is a workaround required because the AGP task collectReleaseDependencies
+    //       is not configuration-cache friendly yet; this is only useful for Play publication
+    dependenciesInfo {
+        includeInApk = false
+    }
+
     // We use the .filamat extension for materials compiled with matc
     // Telling aapt to not compress them allows to load them efficiently
     aaptOptions {

android/samples/sample-hello-triangle/src/main/AndroidManifest.xml

@@ -9,7 +9,9 @@
       android:roundIcon="@mipmap/ic_launcher_round"
       android:supportsRtl="true"
       android:theme="@style/AppTheme">
-    <activity android:name=".MainActivity">
+    <activity
+        android:exported="true"
+        android:name=".MainActivity">
       <intent-filter>
         <action android:name="android.intent.action.MAIN"/>
 

android/samples/sample-image-based-lighting/build.gradle

@@ -1,6 +1,8 @@
-apply plugin: 'com.android.application'
-apply plugin: 'kotlin-android'
-apply plugin: FilamentToolsPlugin
+plugins {
+    id 'com.android.application'
+    id 'kotlin-android'
+    id 'filament-tools-plugin'
+}
 
 project.ext.isSample = true
 
@@ -27,6 +29,12 @@ android {
         targetSdkVersion versions.targetSdk
     }
 
+    // NOTE: This is a workaround required because the AGP task collectReleaseDependencies
+    //       is not configuration-cache friendly yet; this is only useful for Play publication
+    dependenciesInfo {
+        includeInApk = false
+    }
+
     // We use the .filamat extension for materials compiled with matc
     // Telling aapt to not compress them allows to load them efficiently
     aaptOptions {

android/samples/sample-image-based-lighting/src/main/AndroidManifest.xml

@@ -11,7 +11,9 @@
       android:roundIcon="@mipmap/ic_launcher_round"
       android:supportsRtl="true"
       android:theme="@style/AppTheme">
-    <activity android:name=".MainActivity">
+    <activity
+        android:exported="true"
+        android:name=".MainActivity">
       <intent-filter>
         <action android:name="android.intent.action.MAIN"/>
 

android/samples/sample-lit-cube/build.gradle

@@ -1,6 +1,8 @@
-apply plugin: 'com.android.application'
-apply plugin: 'kotlin-android'
-apply plugin: FilamentToolsPlugin
+plugins {
+    id 'com.android.application'
+    id 'kotlin-android'
+    id 'filament-tools-plugin'
+}
 
 project.ext.isSample = true
 
@@ -20,6 +22,12 @@ android {
         targetSdkVersion versions.targetSdk
     }
 
+    // NOTE: This is a workaround required because the AGP task collectReleaseDependencies
+    //       is not configuration-cache friendly yet; this is only useful for Play publication
+    dependenciesInfo {
+        includeInApk = false
+    }
+
     // We use the .filamat extension for materials compiled with matc
     // Telling aapt to not compress them allows to load them efficiently
     aaptOptions {

android/samples/sample-lit-cube/src/main/AndroidManifest.xml

@@ -9,7 +9,9 @@
       android:roundIcon="@mipmap/ic_launcher_round"
       android:supportsRtl="true"
       android:theme="@style/AppTheme">
-    <activity android:name=".MainActivity">
+    <activity
+        android:exported="true"
+        android:name=".MainActivity">
       <intent-filter>
         <action android:name="android.intent.action.MAIN"/>
 

android/samples/sample-live-wallpaper/build.gradle

@@ -10,9 +10,16 @@ android {
         minSdkVersion versions.minSdk
         targetSdkVersion versions.targetSdk
     }
+
+    // NOTE: This is a workaround required because the AGP task collectReleaseDependencies
+    //       is not configuration-cache friendly yet; this is only useful for Play publication
+    dependenciesInfo {
+        includeInApk = false
+    }
 }
 
 dependencies {
     implementation deps.kotlin
+    implementation deps.androidx.annotations
     implementation project(':filament-android')
 }

android/samples/sample-live-wallpaper/src/main/java/com/google/android/filament/livewallpaper/Wallpaper.kt

@@ -18,19 +18,21 @@ package com.google.android.filament.livewallpaper
 
 import android.animation.ValueAnimator
 import android.app.Service
+import android.content.Context
 import android.graphics.Color
 import android.graphics.PixelFormat
+import android.os.Build
 import android.service.wallpaper.WallpaperService
 import android.view.Choreographer
 import android.view.Surface
 import android.view.SurfaceHolder
 import android.view.WindowManager
 import android.view.animation.LinearInterpolator
+import androidx.annotation.RequiresApi
 import com.google.android.filament.*
 import com.google.android.filament.android.DisplayHelper
 import com.google.android.filament.android.UiHelper
 
-
 class FilamentLiveWallpaper : WallpaperService() {
     // Make sure to initialize Filament first
     // This loads the JNI library needed by most API calls
@@ -196,9 +198,14 @@ class FilamentLiveWallpaper : WallpaperService() {
             override fun onNativeWindowChanged(surface: Surface) {
                 swapChain?.let { engine.destroySwapChain(it) }
                 swapChain = engine.createSwapChain(surface)
-                val display =
-                        (application.getSystemService(Service.WINDOW_SERVICE) as WindowManager)
-                        .defaultDisplay
+
+                @Suppress("deprecation")
+                val display = if (Build.VERSION.SDK_INT >= 30) {
+                    Api30Impl.getDisplay(displayContext!!)
+                } else {
+                    (getSystemService(Service.WINDOW_SERVICE) as WindowManager).defaultDisplay
+                }
+
                 displayHelper.attach(renderer, display)
             }
 
@@ -222,4 +229,11 @@ class FilamentLiveWallpaper : WallpaperService() {
             }
         }
     }
+
+    @RequiresApi(30)
+    class Api30Impl {
+        companion object {
+            fun getDisplay(context: Context) = context.display!!
+        }
+    }
 }

android/samples/sample-material-builder/build.gradle

@@ -1,6 +1,8 @@
-apply plugin: 'com.android.application'
-apply plugin: 'kotlin-android'
-apply plugin: FilamentToolsPlugin
+plugins {
+    id 'com.android.application'
+    id 'kotlin-android'
+    id 'filament-tools-plugin'
+}
 
 project.ext.isSample = true
 
@@ -31,6 +33,12 @@ android {
         missingDimensionStrategy 'functionality', 'full'
     }
 
+    // NOTE: This is a workaround required because the AGP task collectReleaseDependencies
+    //       is not configuration-cache friendly yet; this is only useful for Play publication
+    dependenciesInfo {
+        includeInApk = false
+    }
+
     // We use the .filamat extension for materials compiled with matc
     // Telling aapt to not compress them allows to load them efficiently
     aaptOptions {

android/samples/sample-material-builder/src/main/AndroidManifest.xml

@@ -9,7 +9,9 @@
       android:roundIcon="@mipmap/ic_launcher_round"
       android:supportsRtl="true"
       android:theme="@style/AppTheme">
-    <activity android:name=".MainActivity">
+    <activity
+        android:exported="true"
+        android:name=".MainActivity">
       <intent-filter>
         <action android:name="android.intent.action.MAIN"/>
 

android/samples/sample-multi-view/build.gradle

@@ -1,6 +1,8 @@
-apply plugin: 'com.android.application'
-apply plugin: 'kotlin-android'
-apply plugin: FilamentToolsPlugin
+plugins {
+    id 'com.android.application'
+    id 'kotlin-android'
+    id 'filament-tools-plugin'
+}
 
 project.ext.isSample = true
 
@@ -20,6 +22,12 @@ android {
         targetSdkVersion versions.targetSdk
     }
 
+    // NOTE: This is a workaround required because the AGP task collectReleaseDependencies
+    //       is not configuration-cache friendly yet; this is only useful for Play publication
+    dependenciesInfo {
+        includeInApk = false
+    }
+
     // We use the .filamat extension for materials compiled with matc
     // Telling aapt to not compress them allows to load them efficiently
     aaptOptions {

android/samples/sample-multi-view/src/main/AndroidManifest.xml

@@ -9,7 +9,9 @@
       android:roundIcon="@mipmap/ic_launcher_round"
       android:supportsRtl="true"
       android:theme="@style/AppTheme">
-    <activity android:name=".MainActivity">
+    <activity
+        android:exported="true"
+        android:name=".MainActivity">
       <intent-filter>
         <action android:name="android.intent.action.MAIN"/>
 

android/samples/sample-page-curl/build.gradle

@@ -1,5 +1,8 @@
-apply plugin: 'com.android.application'
-apply plugin: FilamentToolsPlugin
+plugins {
+    id 'com.android.application'
+    id 'kotlin-android'
+    id 'filament-tools-plugin'
+}
 
 project.ext.isSample = true
 
@@ -22,6 +25,12 @@ android {
         targetSdkVersion versions.targetSdk
     }
 
+    // NOTE: This is a workaround required because the AGP task collectReleaseDependencies
+    //       is not configuration-cache friendly yet; this is only useful for Play publication
+    dependenciesInfo {
+        includeInApk = false
+    }
+
     // We use the .filamat extension for materials compiled with matc
     // Telling aapt to not compress them allows to load them efficiently
     aaptOptions {
@@ -31,5 +40,5 @@ android {
 
 dependencies {
     implementation project(':filament-android')
-    implementation 'androidx.annotation:annotation:1.1.0'
+    implementation deps.androidx.annotations
 }

android/samples/sample-page-curl/src/main/AndroidManifest.xml

@@ -9,7 +9,9 @@
       android:roundIcon="@mipmap/ic_launcher_round"
       android:supportsRtl="true"
       android:theme="@style/AppTheme">
-    <activity android:name=".MainActivity">
+    <activity
+        android:exported="true"
+        android:name=".MainActivity">
       <intent-filter>
         <action android:name="android.intent.action.MAIN"/>
 

android/samples/sample-page-curl/src/main/java/com/google/android/filament/pagecurl/MainActivity.java

@@ -70,11 +70,11 @@ public class MainActivity extends Activity
     private Page mPage;
     private PageMaterials mPageMaterials;
     private Scene mScene;
-    private Texture[] mTextures = new Texture[2];
+    private final Texture[] mTextures = new Texture[2];
     private @Entity int mLight;
     private IndirectLight mIndirectLight;
 
-    private float[] mTouchDownPoint = new float[2];
+    private final float[] mTouchDownPoint = new float[2];
     private float mTouchDownValue = 0;
     private float mPageAnimationRadians = 0;
     private float mPageAnimationValue = 0;

android/samples/sample-stream-test/build.gradle

@@ -1,6 +1,8 @@
-apply plugin: 'com.android.application'
-apply plugin: 'kotlin-android'
-apply plugin: FilamentToolsPlugin
+plugins {
+    id 'com.android.application'
+    id 'kotlin-android'
+    id 'filament-tools-plugin'
+}
 
 project.ext.isSample = true
 
@@ -17,10 +19,16 @@ android {
     compileSdkVersion versions.compileSdk
     defaultConfig {
         applicationId "com.google.android.filament.streamtest"
-        minSdkVersion versions.minSdk
+        minSdkVersion 23
         targetSdkVersion versions.targetSdk
     }
 
+    // NOTE: This is a workaround required because the AGP task collectReleaseDependencies
+    //       is not configuration-cache friendly yet; this is only useful for Play publication
+    dependenciesInfo {
+        includeInApk = false
+    }
+
     // We use the .filamat extension for materials compiled with matc
     // Telling aapt to not compress them allows to load them efficiently
     aaptOptions {

android/samples/sample-stream-test/src/main/AndroidManifest.xml

@@ -26,7 +26,9 @@
       android:roundIcon="@mipmap/ic_launcher_round"
       android:supportsRtl="true"
       android:theme="@style/AppTheme">
-    <activity android:name=".MainActivity">
+    <activity
+        android:exported="true"
+        android:name=".MainActivity">
       <intent-filter>
         <action android:name="android.intent.action.MAIN"/>
 

android/samples/sample-stream-test/src/main/java/com/google/android/filament/streamtest/MainActivity.kt

@@ -18,6 +18,7 @@ package com.google.android.filament.streamtest
 
 import android.annotation.SuppressLint
 import android.app.Activity
+import android.content.Context
 import android.os.Bundle
 import android.view.Choreographer
 import android.view.Surface
@@ -33,7 +34,9 @@ import java.nio.ByteBuffer
 import java.nio.ByteOrder
 import java.nio.channels.Channels
 import android.opengl.*
+import android.os.Build
 import android.view.MotionEvent
+import androidx.annotation.RequiresApi
 import com.google.android.filament.android.DisplayHelper
 
 
@@ -78,6 +81,13 @@ class MainActivity : Activity(), ActivityCompat.OnRequestPermissionsResultCallba
 
     private var externalTextureID: Int = 0
 
+    @RequiresApi(30)
+    class Api30Impl {
+        companion object {
+            fun getDisplay(context: Context) = context.display!!
+        }
+    }
+
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
 
@@ -94,7 +104,15 @@ class MainActivity : Activity(), ActivityCompat.OnRequestPermissionsResultCallba
         setupScene()
 
         externalTextureID = createExternalTexture()
-        streamHelper = StreamHelper(engine, materialInstance, windowManager.defaultDisplay, externalTextureID)
+
+        @Suppress("deprecation")
+        val display = if (Build.VERSION.SDK_INT >= 30) {
+            Api30Impl.getDisplay(this)
+        } else {
+            windowManager.defaultDisplay!!
+        }
+
+        streamHelper = StreamHelper(engine, materialInstance, display, externalTextureID)
         this.title = streamHelper.getTestName()
     }
 

android/samples/sample-stream-test/src/main/java/com/google/android/filament/streamtest/StreamHelper.kt

@@ -24,6 +24,7 @@ import android.view.Surface
 import android.graphics.*
 import android.media.ImageReader
 import android.opengl.Matrix
+import android.os.Looper
 import android.view.Display
 
 import com.google.android.filament.*
@@ -32,7 +33,12 @@ import com.google.android.filament.*
 /**
  * Demonstrates Filament's various texture sharing mechanisms.
  */
-class StreamHelper(private val filamentEngine: Engine, private val filamentMaterial: MaterialInstance, private val display: Display, private val externalTextureId: Int) {
+class StreamHelper(
+    private val filamentEngine: Engine,
+    private val filamentMaterial: MaterialInstance,
+    private val display: Display,
+    private val externalTextureId: Int
+) {
     /**
      * The StreamSource configures the source data for the texture.
      *
@@ -50,7 +56,7 @@ class StreamHelper(private val filamentEngine: Engine, private val filamentMater
     }
 
     private var streamSource = StreamSource.CANVAS_STREAM_NATIVE
-    private val directImageHandler = Handler()
+    private val directImageHandler = Handler(Looper.getMainLooper())
     private var resolution = Size(640, 480)
     private var surfaceTexture: SurfaceTexture? = null
     private var imageReader: ImageReader? = null
@@ -93,11 +99,30 @@ class StreamHelper(private val filamentEngine: Engine, private val filamentMater
             val canvas = surface.lockCanvas(null)
 
             val movingPaint = Paint()
-            movingPaint.shader = LinearGradient(kGradientOffset, 0.0f, kGradientOffset + kGradientScale, 0.0f, kGradientColors, kGradientStops, Shader.TileMode.REPEAT)
-            canvas.drawRect(Rect(0, resolution.height / 2, resolution.width, resolution.height), movingPaint)
+            movingPaint.shader = LinearGradient(
+                kGradientOffset,
+                0.0f,
+                kGradientOffset + kGradientScale,
+                0.0f,
+                kGradientColors,
+                kGradientStops,
+                Shader.TileMode.REPEAT
+            )
+            canvas.drawRect(
+                Rect(0, resolution.height / 2, resolution.width, resolution.height),
+                movingPaint
+            )
 
             val staticPaint = Paint()
-            staticPaint.shader = LinearGradient(0.0f, 0.0f, kGradientScale, 0.0f, kGradientColors, kGradientStops, Shader.TileMode.REPEAT)
+            staticPaint.shader = LinearGradient(
+                0.0f,
+                0.0f,
+                kGradientScale,
+                0.0f,
+                kGradientColors,
+                kGradientStops,
+                Shader.TileMode.REPEAT
+            )
             canvas.drawRect(Rect(0, 0, resolution.width, resolution.height / 2), staticPaint)
 
             surface.unlockCanvasAndPost(canvas)
@@ -108,7 +133,10 @@ class StreamHelper(private val filamentEngine: Engine, private val filamentMater
 
             if (streamSource == StreamSource.CANVAS_STREAM_ACQUIRED) {
                 val image = imageReader!!.acquireLatestImage()
-                filamentStream!!.setAcquiredImage(image.hardwareBuffer!!, directImageHandler) { image.close() }
+                filamentStream!!.setAcquiredImage(
+                    image.hardwareBuffer!!,
+                    directImageHandler
+                ) { image.close() }
             }
         }
 
@@ -136,7 +164,9 @@ class StreamHelper(private val filamentEngine: Engine, private val filamentMater
 
         val filamentTexture = this.filamentTexture!!
 
-        val sampler = TextureSampler(TextureSampler.MinFilter.LINEAR, TextureSampler.MagFilter.LINEAR, TextureSampler.WrapMode.REPEAT)
+        val sampler = TextureSampler(
+            TextureSampler.MinFilter.LINEAR, TextureSampler.MagFilter.LINEAR,
+            TextureSampler.WrapMode.REPEAT)
 
         // We are texturing a front-facing square shape so we need to generate a matrix that transforms (u, v, 0, 1)
         // into a new UV coordinate according to the screen rotation and the aspect ratio of the camera image.
@@ -164,7 +194,8 @@ class StreamHelper(private val filamentEngine: Engine, private val filamentMater
 
         // Connect the Stream to the Texture and the Texture to the MaterialInstance.
         filamentMaterial.setParameter("videoTexture", filamentTexture, sampler)
-        filamentMaterial.setParameter("textureTransform", MaterialInstance.FloatElement.MAT4, textureTransform, 0, 1)
+        filamentMaterial.setParameter("textureTransform",
+            MaterialInstance.FloatElement.MAT4, textureTransform, 0, 1)
 
         if (streamSource == StreamSource.CANVAS_STREAM_NATIVE) {
 
@@ -207,7 +238,9 @@ class StreamHelper(private val filamentEngine: Engine, private val filamentMater
 
             filamentTexture.setExternalStream(filamentEngine, filamentStream!!)
 
-            this.imageReader = ImageReader.newInstance(resolution.width, resolution.height, ImageFormat.RGB_565, kImageReaderMaxImages).apply {
+            this.imageReader = ImageReader.newInstance(
+                resolution.width, resolution.height, ImageFormat.RGB_565, kImageReaderMaxImages
+            ).apply {
                 canvasSurface = surface
             }
         }

android/samples/sample-texture-view/build.gradle

@@ -1,6 +1,8 @@
-apply plugin: 'com.android.application'
-apply plugin: 'kotlin-android'
-apply plugin: FilamentToolsPlugin
+plugins {
+    id 'com.android.application'
+    id 'kotlin-android'
+    id 'filament-tools-plugin'
+}
 
 project.ext.isSample = true
 
@@ -21,6 +23,12 @@ android {
         targetSdkVersion versions.targetSdk
     }
 
+    // NOTE: This is a workaround required because the AGP task collectReleaseDependencies
+    //       is not configuration-cache friendly yet; this is only useful for Play publication
+    dependenciesInfo {
+        includeInApk = false
+    }
+
     // We use the .filamat extension for materials compiled with matc
     // Telling aapt to not compress them allows to load them efficiently
     aaptOptions {

android/samples/sample-texture-view/src/main/AndroidManifest.xml

@@ -9,7 +9,9 @@
       android:roundIcon="@mipmap/ic_launcher_round"
       android:supportsRtl="true"
       android:theme="@style/AppTheme">
-    <activity android:name=".MainActivity">
+    <activity
+        android:exported="true"
+        android:name=".MainActivity">
       <intent-filter>
         <action android:name="android.intent.action.MAIN"/>
 

android/samples/sample-textured-object/build.gradle

@@ -1,6 +1,8 @@
-apply plugin: 'com.android.application'
-apply plugin: 'kotlin-android'
-apply plugin: FilamentToolsPlugin
+plugins {
+    id 'com.android.application'
+    id 'kotlin-android'
+    id 'filament-tools-plugin'
+}
 
 project.ext.isSample = true
 
@@ -28,6 +30,12 @@ android {
         missingDimensionStrategy 'functionality', 'full'
     }
 
+    // NOTE: This is a workaround required because the AGP task collectReleaseDependencies
+    //       is not configuration-cache friendly yet; this is only useful for Play publication
+    dependenciesInfo {
+        includeInApk = false
+    }
+
     // We use the .filamat extension for materials compiled with matc
     // Telling aapt to not compress them allows to load them efficiently
     aaptOptions {

android/samples/sample-textured-object/src/main/AndroidManifest.xml

@@ -9,7 +9,9 @@
       android:roundIcon="@mipmap/ic_launcher_round"
       android:supportsRtl="true"
       android:theme="@style/AppTheme">
-    <activity android:name="com.google.android.filament.textured.MainActivity">
+    <activity
+        android:exported="true"
+        android:name="com.google.android.filament.textured.MainActivity">
       <intent-filter>
         <action android:name="android.intent.action.MAIN"/>
 

android/samples/sample-transparent-view/build.gradle

@@ -1,6 +1,8 @@
-apply plugin: 'com.android.application'
-apply plugin: 'kotlin-android'
-apply plugin: FilamentToolsPlugin
+plugins {
+    id 'com.android.application'
+    id 'kotlin-android'
+    id 'filament-tools-plugin'
+}
 
 project.ext.isSample = true
 
@@ -21,6 +23,12 @@ android {
         targetSdkVersion versions.targetSdk
     }
 
+    // NOTE: This is a workaround required because the AGP task collectReleaseDependencies
+    //       is not configuration-cache friendly yet; this is only useful for Play publication
+    dependenciesInfo {
+        includeInApk = false
+    }
+
     // We use the .filamat extension for materials compiled with matc
     // Telling aapt to not compress them allows to load them efficiently
     aaptOptions {

android/samples/sample-transparent-view/src/main/AndroidManifest.xml

@@ -9,7 +9,9 @@
       android:roundIcon="@mipmap/ic_launcher_round"
       android:supportsRtl="true"
       android:theme="@style/AppTheme">
-    <activity android:name="com.google.android.filament.transparentrendering.MainActivity">
+    <activity
+        android:exported="true"
+        android:name="com.google.android.filament.transparentrendering.MainActivity">
       <intent-filter>
         <action android:name="android.intent.action.MAIN"/>
 

build.sh

@@ -453,23 +453,23 @@ function build_android {
 
     if [[ "${ISSUE_DEBUG_BUILD}" == "true" ]]; then
         ./gradlew \
-            -Pfilament_dist_dir=../out/android-debug/filament \
-            -Pfilament_abis=${ABI_GRADLE_OPTION} \
+            -Pcom.google.android.filament.dist-dir=../out/android-debug/filament \
+            -Pcom.google.android.filament.abis=${ABI_GRADLE_OPTION} \
             ${VULKAN_ANDROID_GRADLE_OPTION} \
             :filament-android:assembleDebug \
             :gltfio-android:assembleDebug \
             :filament-utils-android:assembleDebug
 
         ./gradlew \
-            -Pfilament_dist_dir=../out/android-debug/filament \
-            -Pfilament_abis=${ABI_GRADLE_OPTION} \
+            -Pcom.google.android.filament.dist-dir=../out/android-debug/filament \
+            -Pcom.google.android.filament.abis=${ABI_GRADLE_OPTION} \
             :filamat-android:assembleDebug
 
         if [[ "${BUILD_ANDROID_SAMPLES}" == "true" ]]; then
             for sample in ${ANDROID_SAMPLES}; do
                 ./gradlew \
-                    -Pfilament_dist_dir=../out/android-debug/filament \
-                    -Pfilament_abis=${ABI_GRADLE_OPTION} \
+                    -Pcom.google.android.filament.dist-dir=../out/android-debug/filament \
+                    -Pcom.google.android.filament.abis=${ABI_GRADLE_OPTION} \
                     :samples:${sample}:assembleDebug
             done
         fi
@@ -502,23 +502,23 @@ function build_android {
 
     if [[ "${ISSUE_RELEASE_BUILD}" == "true" ]]; then
         ./gradlew \
-            -Pfilament_dist_dir=../out/android-release/filament \
-            -Pfilament_abis=${ABI_GRADLE_OPTION} \
+            -Pcom.google.android.filament.dist-dir=../out/android-release/filament \
+            -Pcom.google.android.filament.abis=${ABI_GRADLE_OPTION} \
             ${VULKAN_ANDROID_GRADLE_OPTION} \
             :filament-android:assembleRelease \
             :gltfio-android:assembleRelease \
             :filament-utils-android:assembleRelease
 
         ./gradlew \
-            -Pfilament_dist_dir=../out/android-release/filament \
-            -Pfilament_abis=${ABI_GRADLE_OPTION} \
+            -Pcom.google.android.filament.dist-dir=../out/android-release/filament \
+            -Pcom.google.android.filament.abis=${ABI_GRADLE_OPTION} \
             :filamat-android:assembleRelease
 
         if [[ "${BUILD_ANDROID_SAMPLES}" == "true" ]]; then
             for sample in ${ANDROID_SAMPLES}; do
                 ./gradlew \
-                    -Pfilament_dist_dir=../out/android-release/filament \
-                    -Pfilament_abis=${ABI_GRADLE_OPTION} \
+                    -Pcom.google.android.filament.dist-dir=../out/android-release/filament \
+                    -Pcom.google.android.filament.abis=${ABI_GRADLE_OPTION} \
                     :samples:${sample}:assembleRelease
             done
         fi
@@ -831,7 +831,7 @@ while getopts ":hacCfijmp:q:uvslwtdk:" opt; do
             ;;
         v)
             VULKAN_ANDROID_OPTION="-DFILAMENT_SUPPORTS_VULKAN=OFF"
-            VULKAN_ANDROID_GRADLE_OPTION="-Pfilament_exclude_vulkan"
+            VULKAN_ANDROID_GRADLE_OPTION="-Pcom.google.android.filament.exclude-vulkan"
             echo "Disabling support for Vulkan in the core Filament library."
             echo "Consider using -c after changing this option to clear the Gradle cache."
             ;;

build/android/ndk.version

@@ -1 +1 @@
-22.1.7171670
+23.1.7779620

build/common/check-headers.sh

@@ -0,0 +1,61 @@
+#!/usr/bin/env bash
+
+set -e
+
+function print_help {
+    local SELF_NAME
+    SELF_NAME=$(basename "$0")
+    echo "$SELF_NAME. Check that public headers compile independently."
+    echo ""
+    echo "Usage:"
+    echo "    $SELF_NAME <public include directory>"
+    echo ""
+    echo "Example:"
+    echo "    $SELF_NAME out/release/filament/include"
+    echo ""
+    echo "Dependencies: clang"
+    echo ""
+    echo "Options:"
+    echo "    -h"
+    echo "       Print this help message and exit."
+}
+
+while getopts "h" opt; do
+    case ${opt} in
+        h)
+            print_help
+            exit 0
+            ;;
+        *)
+            print_help
+            exit 1
+            ;;
+    esac
+done
+shift $((OPTIND - 1))
+
+if [[ "$#" -ne 1 ]]; then
+    print_help
+    exit 1
+fi
+
+FILAMENT_HEADERS="$1"
+
+includes=()
+pushd "$FILAMENT_HEADERS" >/dev/null
+for f in $(find . -name '*.h'); do
+    include_path="${f#./}"    # strip leading ./
+    includes+=("${include_path}")
+done
+popd >/dev/null
+
+rm -rf out/check-headers
+mkdir -p out/check-headers
+
+echo "Checking that public headers compile independently..."
+for include in "${includes[@]}"; do
+    echo "Checking ${include}"
+    echo "#include <${include}>" >> out/check-headers/temp.cpp
+    clang -std=c++17 -I "${FILAMENT_HEADERS}" out/check-headers/temp.cpp -c -o /dev/null
+done
+echo "Done!"

build/toolchain-aarch64-linux-android.cmake

@@ -50,9 +50,9 @@ if(WIN32)
 endif()
 set(CMAKE_C_COMPILER   ${TOOLCHAIN}/bin/${ARCH}${API_LEVEL}-clang${COMPILER_SUFFIX})
 set(CMAKE_CXX_COMPILER ${TOOLCHAIN}/bin/${ARCH}${API_LEVEL}-clang++${COMPILER_SUFFIX})
-set(CMAKE_AR           ${TOOLCHAIN}/bin/${ARCH}-ar${TOOL_SUFFIX}  CACHE FILEPATH "Archiver")
-set(CMAKE_RANLIB       ${TOOLCHAIN}/bin/${ARCH}-ranlib${TOOL_SUFFIX})
-set(CMAKE_STRIP        ${TOOLCHAIN}/bin/${ARCH}-strip${TOOL_SUFFIX})
+set(CMAKE_AR           ${TOOLCHAIN}/bin/llvm-ar${TOOL_SUFFIX} CACHE FILEPATH "Archiver")
+set(CMAKE_RANLIB       ${TOOLCHAIN}/bin/llvm-ranlib${TOOL_SUFFIX})
+set(CMAKE_STRIP        ${TOOLCHAIN}/bin/llvm-strip${TOOL_SUFFIX})
 
 # where is the target environment
 set(CMAKE_FIND_ROOT_PATH  ${TOOLCHAIN}/sysroot)

build/toolchain-arm7-linux-android.cmake

@@ -51,9 +51,9 @@ if(WIN32)
 endif()
 set(CMAKE_C_COMPILER   ${TOOLCHAIN}/bin/${ARCH}${API_LEVEL}-clang${COMPILER_SUFFIX})
 set(CMAKE_CXX_COMPILER ${TOOLCHAIN}/bin/${ARCH}${API_LEVEL}-clang++${COMPILER_SUFFIX})
-set(CMAKE_AR           ${TOOLCHAIN}/bin/${AR_ARCH}-ar${TOOL_SUFFIX}  CACHE FILEPATH "Archiver")
-set(CMAKE_RANLIB       ${TOOLCHAIN}/bin/${AR_ARCH}-ranlib${TOOL_SUFFIX})
-set(CMAKE_STRIP        ${TOOLCHAIN}/bin/${AR_ARCH}-strip${TOOL_SUFFIX})
+set(CMAKE_AR           ${TOOLCHAIN}/bin/llvm-ar${TOOL_SUFFIX} CACHE FILEPATH "Archiver")
+set(CMAKE_RANLIB       ${TOOLCHAIN}/bin/llvm-ranlib${TOOL_SUFFIX})
+set(CMAKE_STRIP        ${TOOLCHAIN}/bin/llvm-strip${TOOL_SUFFIX})
 
 # where is the target environment
 set(CMAKE_FIND_ROOT_PATH  ${TOOLCHAIN}/sysroot)

build/toolchain-x86-linux-android.cmake

@@ -50,9 +50,9 @@ if(WIN32)
 endif()
 set(CMAKE_C_COMPILER   ${TOOLCHAIN}/bin/${ARCH}${API_LEVEL}-clang${COMPILER_SUFFIX})
 set(CMAKE_CXX_COMPILER ${TOOLCHAIN}/bin/${ARCH}${API_LEVEL}-clang++${COMPILER_SUFFIX})
-set(CMAKE_AR           ${TOOLCHAIN}/bin/${ARCH}-ar${TOOL_SUFFIX}  CACHE FILEPATH "Archiver")
-set(CMAKE_RANLIB       ${TOOLCHAIN}/bin/${ARCH}-ranlib${TOOL_SUFFIX})
-set(CMAKE_STRIP        ${TOOLCHAIN}/bin/${ARCH}-strip${TOOL_SUFFIX})
+set(CMAKE_AR           ${TOOLCHAIN}/bin/llvm-ar${TOOL_SUFFIX} CACHE FILEPATH "Archiver")
+set(CMAKE_RANLIB       ${TOOLCHAIN}/bin/llvm-ranlib${TOOL_SUFFIX})
+set(CMAKE_STRIP        ${TOOLCHAIN}/bin/llvm-strip${TOOL_SUFFIX})
 
 # where is the target environment
 set(CMAKE_FIND_ROOT_PATH  ${TOOLCHAIN}/sysroot)

build/toolchain-x86_64-linux-android.cmake

@@ -50,9 +50,9 @@ if(WIN32)
 endif()
 set(CMAKE_C_COMPILER   ${TOOLCHAIN}/bin/${ARCH}${API_LEVEL}-clang${COMPILER_SUFFIX})
 set(CMAKE_CXX_COMPILER ${TOOLCHAIN}/bin/${ARCH}${API_LEVEL}-clang++${COMPILER_SUFFIX})
-set(CMAKE_AR           ${TOOLCHAIN}/bin/${ARCH}-ar${TOOL_SUFFIX}  CACHE FILEPATH "Archiver")
-set(CMAKE_RANLIB       ${TOOLCHAIN}/bin/${ARCH}-ranlib${TOOL_SUFFIX})
-set(CMAKE_STRIP        ${TOOLCHAIN}/bin/${ARCH}-strip${TOOL_SUFFIX})
+set(CMAKE_AR           ${TOOLCHAIN}/bin/llvm-ar${TOOL_SUFFIX} CACHE FILEPATH "Archiver")
+set(CMAKE_RANLIB       ${TOOLCHAIN}/bin/llvm-ranlib${TOOL_SUFFIX})
+set(CMAKE_STRIP        ${TOOLCHAIN}/bin/llvm-strip${TOOL_SUFFIX})
 
 # where is the target environment
 set(CMAKE_FIND_ROOT_PATH  ${TOOLCHAIN}/sysroot)

docs/math/data/d65.csv

@@ -0,0 +1,391 @@
+390,54.6482
+391,57.4589
+392,60.2695
+393,63.0802
+394,65.8909
+395,68.7015
+396,71.5122
+397,74.3229
+398,77.1336
+399,79.9442
+400,82.7549
+401,83.628
+402,84.5011
+403,85.3742
+404,86.2473
+405,87.1204
+406,87.9936
+407,88.8667
+408,89.7398
+409,90.6129
+410,91.486
+411,91.6806
+412,91.8752
+413,92.0697
+414,92.2643
+415,92.4589
+416,92.6535
+417,92.8481
+418,93.0426
+419,93.2372
+420,93.4318
+421,92.7568
+422,92.0819
+423,91.4069
+424,90.732
+425,90.057
+426,89.3821
+427,88.7071
+428,88.0322
+429,87.3572
+430,86.6823
+431,88.5006
+432,90.3188
+433,92.1371
+434,93.9554
+435,95.7736
+436,97.5919
+437,99.4102
+438,101.228
+439,103.047
+440,104.865
+441,106.079
+442,107.294
+443,108.508
+444,109.722
+445,110.936
+446,112.151
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docs/math/data/scvle_1.csv

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docs/webgl/reference.html

@@ -32,6 +32,10 @@
 <td align="left">Low level buffer wrapper.</td>
 </tr>
 <tr>
+<td align="left"><a href="#BufferObject">BufferObject</a></td>
+<td align="left">Represents a single GPU buffer.</td>
+</tr>
+<tr>
 <td align="left"><a href="#Camera">Camera</a></td>
 <td align="left">Represents the eye through which the scene is viewed.</td>
 </tr>
@@ -174,6 +178,10 @@
 </thead>
 <tbody>
 <tr>
+<td align="left"><a href="#BufferObject%24BindingType">BufferObject$BindingType</a></td>
+<td align="left"></td>
+</tr>
+<tr>
 <td align="left"><a href="#Camera%24Fov">Camera$Fov</a></td>
 <td align="left"></td>
 </tr>
@@ -190,6 +198,14 @@
 <td align="left"></td>
 </tr>
 <tr>
+<td align="left"><a href="#CompareFunc">CompareFunc</a></td>
+<td align="left"></td>
+</tr>
+<tr>
+<td align="left"><a href="#CompareMode">CompareMode</a></td>
+<td align="left"></td>
+</tr>
+<tr>
 <td align="left"><a href="#CompressedPixelDataType">CompressedPixelDataType</a></td>
 <td align="left"></td>
 </tr>
@@ -282,6 +298,10 @@
 <td align="left"></td>
 </tr>
 <tr>
+<td align="left"><a href="#View%24DepthOfFieldOptions%24Filter">View$DepthOfFieldOptions$Filter</a></td>
+<td align="left"></td>
+</tr>
+<tr>
 <td align="left"><a href="#View%24QualityLevel">View$QualityLevel</a></td>
 <td align="left"></td>
 </tr>
@@ -306,6 +326,19 @@
 <p>Clients should use the <a href="#Buffer">Buffer</a> helper function to contruct BufferDescriptor objects.</p>
 </div>
 <div class='classdoc'>
+<h2>class <a id='BufferObject' href='#BufferObject'>BufferObject</a></h2>
+<p>Represents a single GPU buffer.</p>
+<ul>
+<li><strong>bufferObject.setBuffer(engine, buffer, byteOffset)</strong>
+<ul>
+<li><em>engine</em> <a href="#Engine">Engine</a></li>
+<li><em>buffer</em> asset string, or Uint8Array, or <a href="#Buffer">Buffer</a></li>
+<li><em>byteOffset</em> non-negative integer</li>
+</ul>
+</li>
+</ul>
+</div>
+<div class='classdoc'>
 <h2>class <a id='Camera' href='#Camera'>Camera</a></h2>
 <p>Represents the eye through which the scene is viewed.</p>
 <p>See also the <a href="#Engine">Engine</a> methods <code>createCamera</code> and <code>destroyCamera</code>.</p>
@@ -490,6 +523,7 @@
 <li><em>returns</em> an instance of <a href="#Camera">Camera</a></li>
 </ul>
 </li>
+<li><strong>engine.getEntityManager()</strong></li>
 <li><strong>engine.getLightManager()</strong>
 <ul>
 <li><em>returns</em> an instance of <a href="#LightManager">LightManager</a></li>
@@ -536,7 +570,7 @@
 </li>
 <li><strong>engine.setDepthOfFieldOptions(overrides)</strong>
 <ul>
-<li><em>overrides</em> Dictionary with one or more of the following properties: focusDistance, cocScale, maxApertureDiameter, enabled.</li>
+<li><em>overrides</em> Dictionary with one or more of the following properties: cocScale, maxApertureDiameter, enabled.</li>
 </ul>
 </li>
 <li><strong>engine.setFogOptions(overrides)</strong>
@@ -1016,6 +1050,12 @@ This defines the following functions:</p>
 </ul>
 </div>
 <div class='enumdoc'>
+<h2>enum <a id='BufferObject$BindingType' href='#BufferObject$BindingType'>BufferObject$BindingType</a></h2>
+<ul>
+<li>VERTEX</li>
+</ul>
+</div>
+<div class='enumdoc'>
 <h2>enum <a id='Camera$Fov' href='#Camera$Fov'>Camera$Fov</a></h2>
 <ul>
 <li>VERTICAL</li>
@@ -1045,12 +1085,30 @@ This defines the following functions:</p>
 <li>ACES_LEGACY</li>
 <li>ACES</li>
 <li>FILMIC</li>
-<li>UCHIMURA</li>
-<li>REINHARD</li>
 <li>DISPLAY_RANGE</li>
 </ul>
 </div>
 <div class='enumdoc'>
+<h2>enum <a id='CompareFunc' href='#CompareFunc'>CompareFunc</a></h2>
+<ul>
+<li>LESS_EQUAL</li>
+<li>GREATER_EQUAL</li>
+<li>LESS</li>
+<li>GREATER</li>
+<li>EQUAL</li>
+<li>NOT_EQUAL</li>
+<li>ALWAYS</li>
+<li>NEVER</li>
+</ul>
+</div>
+<div class='enumdoc'>
+<h2>enum <a id='CompareMode' href='#CompareMode'>CompareMode</a></h2>
+<ul>
+<li>NONE</li>
+<li>COMPARE_TO_TEXTURE</li>
+</ul>
+</div>
+<div class='enumdoc'>
 <h2>enum <a id='CompressedPixelDataType' href='#CompressedPixelDataType'>CompressedPixelDataType</a></h2>
 <ul>
 <li>EAC_R11</li>
@@ -1186,6 +1244,10 @@ This defines the following functions:</p>
 <div class='enumdoc'>
 <h2>enum <a id='RenderTarget$AttachmentPoint' href='#RenderTarget$AttachmentPoint'>RenderTarget$AttachmentPoint</a></h2>
 <ul>
+<li>COLOR0</li>
+<li>COLOR1</li>
+<li>COLOR2</li>
+<li>COLOR3</li>
 <li>COLOR</li>
 <li>DEPTH</li>
 </ul>
@@ -1436,6 +1498,13 @@ This defines the following functions:</p>
 </ul>
 </div>
 <div class='enumdoc'>
+<h2>enum <a id='View$DepthOfFieldOptions$Filter' href='#View$DepthOfFieldOptions$Filter'>View$DepthOfFieldOptions$Filter</a></h2>
+<ul>
+<li>NONE</li>
+<li>MEDIAN</li>
+</ul>
+</div>
+<div class='enumdoc'>
 <h2>enum <a id='View$QualityLevel' href='#View$QualityLevel'>View$QualityLevel</a></h2>
 <ul>
 <li>LOW</li>

docs/webgl/tutorial_redball.html

@@ -75,11 +75,11 @@ Filament.init([ filamat_url, ibl_url, sky_url ], () => {
 
   <span style="color: #408080; font-style: italic">// Obtain the canvas DOM object and pass it to the App.</span>
   <span style="color: #008000; font-weight: bold">const</span> canvas <span style="color: #666666">=</span> <span style="color: #008000">document</span>.getElementsByTagName(<span style="color: #BA2121">&#39;canvas&#39;</span>)[<span style="color: #666666">0</span>];
-  <span style="color: #008000">window</span>.app <span style="color: #666666">=</span> <span style="color: #008000; font-weight: bold">new</span> App(canvas);
+  <span style="color: #008000">window</span>.app <span style="color: #666666">=</span> <span style="color: #AA22FF; font-weight: bold">new</span> App(canvas);
 } );
 
 <span style="color: #008000; font-weight: bold">class</span> App {
-  constructor(canvas) {
+  <span style="color: #008000; font-weight: bold">constructor</span>(canvas) {
     <span style="color: #008000; font-weight: bold">this</span>.canvas <span style="color: #666666">=</span> canvas;
     <span style="color: #008000; font-weight: bold">const</span> engine <span style="color: #666666">=</span> <span style="color: #008000; font-weight: bold">this</span>.engine <span style="color: #666666">=</span> Filament.Engine.create(canvas);
     <span style="color: #008000; font-weight: bold">const</span> scene <span style="color: #666666">=</span> engine.createScene();
@@ -150,7 +150,7 @@ sphere</strong> with the following snippet.</p>
 <div class="highlight" style="background: #f8f8f8"><pre style="line-height: 125%;"><span></span><span style="color: #008000; font-weight: bold">const</span> renderable <span style="color: #666666">=</span> Filament.EntityManager.get().create();
 scene.addEntity(renderable);
 
-<span style="color: #008000; font-weight: bold">const</span> icosphere <span style="color: #666666">=</span> <span style="color: #008000; font-weight: bold">new</span> Filament.IcoSphere(<span style="color: #666666">5</span>);
+<span style="color: #008000; font-weight: bold">const</span> icosphere <span style="color: #666666">=</span> <span style="color: #AA22FF; font-weight: bold">new</span> Filament.IcoSphere(<span style="color: #666666">5</span>);
 
 <span style="color: #008000; font-weight: bold">const</span> vb <span style="color: #666666">=</span> Filament.VertexBuffer.Builder()
   .vertexCount(icosphere.vertices.length <span style="color: #666666">/</span> <span style="color: #666666">3</span>)
@@ -211,7 +211,7 @@ following (don't type this out, there's an easier way).</p>
 
 <span style="color: #408080; font-style: italic">// Create a Texture object for the mipmapped cubemap.</span>
 <span style="color: #008000; font-weight: bold">const</span> ibl_package <span style="color: #666666">=</span> Filament.Buffer(Filament.assets[ibl_url]);
-<span style="color: #008000; font-weight: bold">const</span> iblktx <span style="color: #666666">=</span> <span style="color: #008000; font-weight: bold">new</span> Filament.KtxBundle(ibl_package);
+<span style="color: #008000; font-weight: bold">const</span> iblktx <span style="color: #666666">=</span> <span style="color: #AA22FF; font-weight: bold">new</span> Filament.KtxBundle(ibl_package);
 
 <span style="color: #008000; font-weight: bold">const</span> ibltex <span style="color: #666666">=</span> Filament.Texture.Builder()
   .width(iblktx.info().pixelWidth)
@@ -253,7 +253,7 @@ scene.setIndirectLight(indirectLight);
 Without a skybox, the reflections on the ball are not representative of its surroundings.
 Here's one way to create a texture for the skybox:</p>
 <div class="highlight" style="background: #f8f8f8"><pre style="line-height: 125%;"><span></span><span style="color: #008000; font-weight: bold">const</span> sky_package <span style="color: #666666">=</span> Filament.Buffer(Filament.assets[sky_url]);
-<span style="color: #008000; font-weight: bold">const</span> skyktx <span style="color: #666666">=</span> <span style="color: #008000; font-weight: bold">new</span> Filament.KtxBundle(sky_package);
+<span style="color: #008000; font-weight: bold">const</span> skyktx <span style="color: #666666">=</span> <span style="color: #AA22FF; font-weight: bold">new</span> Filament.KtxBundle(sky_package);
 <span style="color: #008000; font-weight: bold">const</span> skytex <span style="color: #666666">=</span> Filament.Texture.Builder()
   .width(skyktx.info().pixelWidth)
   .height(skyktx.info().pixelHeight)

docs/webgl/tutorial_suzanne.html

@@ -104,11 +104,11 @@ with the following content.</p>
 <div class="highlight" style="background: #f8f8f8"><pre style="line-height: 125%;"><span></span><span style="color: #408080; font-style: italic">// TODO: declare asset URLs</span>
 
 Filament.init([ filamat_url, filamesh_url, sky_small_url, ibl_url ], () =&gt; {
-    <span style="color: #008000">window</span>.app <span style="color: #666666">=</span> <span style="color: #008000; font-weight: bold">new</span> App(<span style="color: #008000">document</span>.getElementsByTagName(<span style="color: #BA2121">&#39;canvas&#39;</span>)[<span style="color: #666666">0</span>]);
+    <span style="color: #008000">window</span>.app <span style="color: #666666">=</span> <span style="color: #AA22FF; font-weight: bold">new</span> App(<span style="color: #008000">document</span>.getElementsByTagName(<span style="color: #BA2121">&#39;canvas&#39;</span>)[<span style="color: #666666">0</span>]);
 });
 
 <span style="color: #008000; font-weight: bold">class</span> App {
-    constructor(canvas) {
+    <span style="color: #008000; font-weight: bold">constructor</span>(canvas) {
         <span style="color: #008000; font-weight: bold">this</span>.canvas <span style="color: #666666">=</span> canvas;
         <span style="color: #008000; font-weight: bold">this</span>.engine <span style="color: #666666">=</span> Filament.Engine.create(canvas);
         <span style="color: #008000; font-weight: bold">this</span>.scene <span style="color: #666666">=</span> <span style="color: #008000; font-weight: bold">this</span>.engine.createScene();
@@ -172,7 +172,7 @@ string -- which might be empty.</p>
 <p>In our case, we know that our web server will have <code>astc</code> and <code>s3tc</code> variants for albedo, and <code>etc</code>
 variants for the other textures. The uncompressed variants (empty string) are always available as a
 last resort. Go ahead and replace the <strong>declare asset URLs</strong> comment with the following snippet.</p>
-<div class="highlight" style="background: #f8f8f8"><pre style="line-height: 125%;"><span></span><span style="color: #008000; font-weight: bold">const</span> albedo_suffix <span style="color: #666666">=</span> Filament.getSupportedFormatSuffix(<span style="color: #BA2121">&#39;astc s3tc&#39;</span>);
+<div class="highlight" style="background: #f8f8f8"><pre style="line-height: 125%;"><span></span><span style="color: #008000; font-weight: bold">const</span> albedo_suffix <span style="color: #666666">=</span> Filament.getSupportedFormatSuffix(<span style="color: #BA2121">&#39;astc s3tc_srgb&#39;</span>);
 <span style="color: #008000; font-weight: bold">const</span> texture_suffix <span style="color: #666666">=</span> Filament.getSupportedFormatSuffix(<span style="color: #BA2121">&#39;etc&#39;</span>);
 
 <span style="color: #008000; font-weight: bold">const</span> environ <span style="color: #666666">=</span> <span style="color: #BA2121">&#39;venetian_crossroads_2k&#39;</span>
@@ -213,7 +213,7 @@ was created in the app constructor.</p>
     <span style="color: #008000; font-weight: bold">const</span> normal <span style="color: #666666">=</span> <span style="color: #008000; font-weight: bold">this</span>.engine.createTextureFromKtx(normal_url);
     <span style="color: #008000; font-weight: bold">const</span> ao <span style="color: #666666">=</span> <span style="color: #008000; font-weight: bold">this</span>.engine.createTextureFromKtx(ao_url);
 
-    <span style="color: #008000; font-weight: bold">const</span> sampler <span style="color: #666666">=</span> <span style="color: #008000; font-weight: bold">new</span> Filament.TextureSampler(
+    <span style="color: #008000; font-weight: bold">const</span> sampler <span style="color: #666666">=</span> <span style="color: #AA22FF; font-weight: bold">new</span> Filament.TextureSampler(
         Filament.MinFilter.LINEAR_MIPMAP_LINEAR,
         Filament.MagFilter.LINEAR,
         Filament.WrapMode.CLAMP_TO_EDGE);
@@ -241,13 +241,13 @@ listens for drag events and computes a rotation matrix.</p>
 
 <p>Next, replace the <strong>initialize gltumble</strong> and <strong>apply gltumble matrix</strong> comments with the following
 two code snippets.</p>
-<div class="highlight" style="background: #f8f8f8"><pre style="line-height: 125%;"><span></span><span style="color: #008000; font-weight: bold">this</span>.trackball <span style="color: #666666">=</span> <span style="color: #008000; font-weight: bold">new</span> Trackball(canvas, {startSpin<span style="color: #666666">:</span> <span style="color: #666666">0.035</span>});
+<div class="highlight" style="background: #f8f8f8"><pre style="line-height: 125%;"><span></span><span style="color: #008000; font-weight: bold">this</span>.trackball <span style="color: #666666">=</span> <span style="color: #AA22FF; font-weight: bold">new</span> Trackball(canvas, {startSpin<span style="color: #666666">:</span> <span style="color: #666666">0.035</span>});
 </pre></div>
 
 <div class="highlight" style="background: #f8f8f8"><pre style="line-height: 125%;"><span></span><span style="color: #008000; font-weight: bold">const</span> tcm <span style="color: #666666">=</span> <span style="color: #008000; font-weight: bold">this</span>.engine.getTransformManager();
 <span style="color: #008000; font-weight: bold">const</span> inst <span style="color: #666666">=</span> tcm.getInstance(<span style="color: #008000; font-weight: bold">this</span>.suzanne);
 tcm.setTransform(inst, <span style="color: #008000; font-weight: bold">this</span>.trackball.getMatrix());
-inst.<span style="color: #008000; font-weight: bold">delete</span>();
+inst.<span style="color: #AA22FF; font-weight: bold">delete</span>();
 </pre></div>
 
 <p>That's it, we now have a fast-loading interactive demo. The complete JavaScript file is available

docs/webgl/tutorial_triangle.html

@@ -49,7 +49,7 @@ a mobile-friendly page with a full-screen canvas.</p>
 </ul>
 <p>Go ahead and create <code>triangle.js</code> with the following content.</p>
 <div class="highlight" style="background: #f8f8f8"><pre style="line-height: 125%;"><span></span><span style="color: #008000; font-weight: bold">class</span> App {
-  constructor() {
+  <span style="color: #008000; font-weight: bold">constructor</span>() {
     <span style="color: #408080; font-style: italic">// TODO: create entities</span>
     <span style="color: #008000; font-weight: bold">this</span>.render <span style="color: #666666">=</span> <span style="color: #008000; font-weight: bold">this</span>.render.bind(<span style="color: #008000; font-weight: bold">this</span>);
     <span style="color: #008000; font-weight: bold">this</span>.resize <span style="color: #666666">=</span> <span style="color: #008000; font-weight: bold">this</span>.resize.bind(<span style="color: #008000; font-weight: bold">this</span>);
@@ -65,7 +65,7 @@ a mobile-friendly page with a full-screen canvas.</p>
   }
 }
 
-Filament.init([<span style="color: #BA2121">&#39;triangle.filamat&#39;</span>], () =&gt; { <span style="color: #008000">window</span>.app <span style="color: #666666">=</span> <span style="color: #008000; font-weight: bold">new</span> App() } );
+Filament.init([<span style="color: #BA2121">&#39;triangle.filamat&#39;</span>], () =&gt; { <span style="color: #008000">window</span>.app <span style="color: #666666">=</span> <span style="color: #AA22FF; font-weight: bold">new</span> App() } );
 </pre></div>
 
 <p>The two calls to <code>bind()</code> allow us to pass instance methods as callbacks for animation and resize
@@ -114,13 +114,13 @@ calls.</p>
 <h2>Construct typed arrays</h2>
 <p>Next we'll create two typed arrays: a positions array with XY coordinates for each vertex, and a
 colors array with a 32-bit word for each vertex.</p>
-<div class="highlight" style="background: #f8f8f8"><pre style="line-height: 125%;"><span></span><span style="color: #008000; font-weight: bold">const</span> TRIANGLE_POSITIONS <span style="color: #666666">=</span> <span style="color: #008000; font-weight: bold">new</span> Float32Array([
+<div class="highlight" style="background: #f8f8f8"><pre style="line-height: 125%;"><span></span><span style="color: #008000; font-weight: bold">const</span> TRIANGLE_POSITIONS <span style="color: #666666">=</span> <span style="color: #AA22FF; font-weight: bold">new</span> <span style="color: #008000">Float32Array</span>([
     <span style="color: #666666">1</span>, <span style="color: #666666">0</span>,
     <span style="color: #008000">Math</span>.cos(<span style="color: #008000">Math</span>.PI <span style="color: #666666">*</span> <span style="color: #666666">2</span> <span style="color: #666666">/</span> <span style="color: #666666">3</span>), <span style="color: #008000">Math</span>.sin(<span style="color: #008000">Math</span>.PI <span style="color: #666666">*</span> <span style="color: #666666">2</span> <span style="color: #666666">/</span> <span style="color: #666666">3</span>),
     <span style="color: #008000">Math</span>.cos(<span style="color: #008000">Math</span>.PI <span style="color: #666666">*</span> <span style="color: #666666">4</span> <span style="color: #666666">/</span> <span style="color: #666666">3</span>), <span style="color: #008000">Math</span>.sin(<span style="color: #008000">Math</span>.PI <span style="color: #666666">*</span> <span style="color: #666666">4</span> <span style="color: #666666">/</span> <span style="color: #666666">3</span>),
 ]);
 
-<span style="color: #008000; font-weight: bold">const</span> TRIANGLE_COLORS <span style="color: #666666">=</span> <span style="color: #008000; font-weight: bold">new</span> Uint32Array([<span style="color: #666666">0xffff0000</span>, <span style="color: #666666">0xff00ff00</span>, <span style="color: #666666">0xff0000ff</span>]);
+<span style="color: #008000; font-weight: bold">const</span> TRIANGLE_COLORS <span style="color: #666666">=</span> <span style="color: #AA22FF; font-weight: bold">new</span> <span style="color: #008000">Uint32Array</span>([<span style="color: #666666">0xffff0000</span>, <span style="color: #666666">0xff00ff00</span>, <span style="color: #666666">0xff0000ff</span>]);
 </pre></div>
 
 <p>Next we'll use the positions and colors buffers to create a single <code>VertexBuffer</code> object.</p>
@@ -154,7 +154,7 @@ the integers 0,1,2.</p>
     .bufferType(Filament.IndexBuffer$IndexType.USHORT)
     .build(engine);
 
-<span style="color: #008000; font-weight: bold">this</span>.ib.setBuffer(engine, <span style="color: #008000; font-weight: bold">new</span> Uint16Array([<span style="color: #666666">0</span>, <span style="color: #666666">1</span>, <span style="color: #666666">2</span>]));
+<span style="color: #008000; font-weight: bold">this</span>.ib.setBuffer(engine, <span style="color: #AA22FF; font-weight: bold">new</span> <span style="color: #008000">Uint16Array</span>([<span style="color: #666666">0</span>, <span style="color: #666666">1</span>, <span style="color: #666666">2</span>]));
 </pre></div>
 
 <p>Note that constructing an index buffer is similar to constructing a vertex buffer, but it only has
@@ -211,7 +211,7 @@ code to the top of the render method.</p>
 <span style="color: #008000; font-weight: bold">const</span> tcm <span style="color: #666666">=</span> <span style="color: #008000; font-weight: bold">this</span>.engine.getTransformManager();
 <span style="color: #008000; font-weight: bold">const</span> inst <span style="color: #666666">=</span> tcm.getInstance(<span style="color: #008000; font-weight: bold">this</span>.triangle);
 tcm.setTransform(inst, transform);
-inst.<span style="color: #008000; font-weight: bold">delete</span>();
+inst.<span style="color: #AA22FF; font-weight: bold">delete</span>();
 
 <span style="color: #408080; font-style: italic">// Render the frame.</span>
 <span style="color: #008000; font-weight: bold">this</span>.renderer.render(<span style="color: #008000; font-weight: bold">this</span>.swapChain, <span style="color: #008000; font-weight: bold">this</span>.view);

filament/CMakeLists.txt

@@ -116,6 +116,7 @@ set(PRIVATE_HDRS
         src/Intersections.h
         src/MaterialParser.h
         src/PerViewUniforms.h
+        src/PIDController.h
         src/PostProcessManager.h
         src/RenderPass.h
         src/RenderPrimitive.h
@@ -165,14 +166,18 @@ set(PRIVATE_HDRS
         src/fsr.h
         src/materials/fsr/ffx_a.h
         src/materials/fsr/ffx_fsr1.h
+        src/materials/fsr/ffx_fsr1_mobile.fs
         src/upcast.h
 )
 
 set(MATERIAL_SRCS
         src/materials/fsr/fsr_easu.mat
+        src/materials/fsr/fsr_easu_mobile.mat
+        src/materials/fsr/fsr_easu_mobileF.mat
         src/materials/fsr/fsr_rcas.mat
         src/materials/colorGrading/colorGrading.mat
         src/materials/colorGrading/colorGradingAsSubpass.mat
+        src/materials/colorGrading/customResolveAsSubpass.mat
         src/materials/defaultMaterial.mat
         src/materials/dof/dof.mat
         src/materials/dof/dofCoc.mat
@@ -185,8 +190,6 @@ set(MATERIAL_SRCS
         src/materials/dof/dofMedian.mat
         src/materials/flare/flare.mat
         src/materials/blitLow.mat
-        src/materials/blitMedium.mat
-        src/materials/blitHigh.mat
         src/materials/bloom/bloomDownsample.mat
         src/materials/bloom/bloomUpsample.mat
         src/materials/ssao/bilateralBlur.mat
@@ -195,7 +198,10 @@ set(MATERIAL_SRCS
         src/materials/skybox.mat
         src/materials/ssao/sao.mat
         src/materials/ssao/saoBentNormals.mat
-        src/materials/separableGaussianBlur.mat
+        src/materials/separableGaussianBlur1.mat
+        src/materials/separableGaussianBlur2.mat
+        src/materials/separableGaussianBlur3.mat
+        src/materials/separableGaussianBlur4.mat
         src/materials/antiAliasing/fxaa.mat
         src/materials/antiAliasing/taa.mat
         src/materials/vsmMipmap.mat
@@ -272,6 +278,7 @@ add_custom_command(
         OUTPUT "${MATERIAL_DIR}/colorGrading.filamat"
         DEPENDS ../shaders/src/dithering.fs
         DEPENDS ../shaders/src/vignette.fs
+        DEPENDS src/materials/colorGrading/colorGrading.fs
         APPEND
 )
 
@@ -279,6 +286,7 @@ add_custom_command(
         OUTPUT "${MATERIAL_DIR}/colorGradingAsSubpass.filamat"
         DEPENDS ../shaders/src/dithering.fs
         DEPENDS ../shaders/src/vignette.fs
+        DEPENDS src/materials/colorGrading/colorGrading.fs
         APPEND
 )
 
@@ -365,6 +373,22 @@ add_custom_command(
         APPEND
 )
 
+add_custom_command(
+        OUTPUT "${MATERIAL_DIR}/fsr_easu_mobile.filamat"
+        DEPENDS src/materials/fsr/ffx_a.h
+        DEPENDS src/materials/fsr/ffx_fsr1.h
+        DEPENDS src/materials/fsr/ffx_fsr1_mobile.fs
+        APPEND
+)
+
+add_custom_command(
+        OUTPUT "${MATERIAL_DIR}/fsr_easu_mobileF.filamat"
+        DEPENDS src/materials/fsr/ffx_a.h
+        DEPENDS src/materials/fsr/ffx_fsr1.h
+        DEPENDS src/materials/fsr/ffx_fsr1_mobile.fs
+        APPEND
+)
+
 add_custom_command(
         OUTPUT "${MATERIAL_DIR}/fsr_rcas.filamat"
         DEPENDS src/materials/fsr/ffx_a.h
@@ -372,6 +396,34 @@ add_custom_command(
         APPEND
 )
 
+add_custom_command(
+        OUTPUT "${MATERIAL_DIR}/separableGaussianBlur1.filamat"
+        DEPENDS src/materials/separableGaussianBlur.vs
+        DEPENDS src/materials/separableGaussianBlur.fs
+        APPEND
+)
+
+add_custom_command(
+        OUTPUT "${MATERIAL_DIR}/separableGaussianBlur2.filamat"
+        DEPENDS src/materials/separableGaussianBlur.vs
+        DEPENDS src/materials/separableGaussianBlur.fs
+        APPEND
+)
+
+add_custom_command(
+        OUTPUT "${MATERIAL_DIR}/separableGaussianBlur3.filamat"
+        DEPENDS src/materials/separableGaussianBlur.vs
+        DEPENDS src/materials/separableGaussianBlur.fs
+        APPEND
+)
+
+add_custom_command(
+        OUTPUT "${MATERIAL_DIR}/separableGaussianBlur4.filamat"
+        DEPENDS src/materials/separableGaussianBlur.vs
+        DEPENDS src/materials/separableGaussianBlur.fs
+        APPEND
+)
+
 add_custom_command(
         OUTPUT ${RESGEN_OUTPUTS}
         COMMAND resgen ${RESGEN_FLAGS} ${MATERIAL_BINS}

filament/backend/CMakeLists.txt

@@ -10,6 +10,7 @@ set(GENERATION_ROOT ${CMAKE_CURRENT_BINARY_DIR})
 # ==================================================================================================
 set(PUBLIC_HDRS
         include/backend/BufferDescriptor.h
+        include/backend/CallbackHandler.h
         include/backend/DriverEnums.h
         include/backend/Handle.h
         include/backend/PipelineState.h
@@ -21,6 +22,7 @@ set(PUBLIC_HDRS
 set(SRCS
         src/BackendUtils.cpp
         src/Callable.cpp
+        src/CallbackHandler.cpp
         src/CircularBuffer.cpp
         src/CommandBufferQueue.cpp
         src/CommandStream.cpp
@@ -77,26 +79,30 @@ if (FILAMENT_SUPPORTS_OPENGL AND NOT FILAMENT_USE_EXTERNAL_GLES3 AND NOT FILAMEN
             include/private/backend/OpenGLPlatform.h
     )
     if (EGL)
-        list(APPEND SRCS src/opengl/PlatformEGL.cpp)
+        list(APPEND SRCS src/opengl/platforms/PlatformEGL.cpp)
     endif()
     if (ANDROID)
-        list(APPEND SRCS src/android/ExternalStreamManagerAndroid.cpp)
+        # FIXME: this should be included when we build for JAVA (which is implied by ANDROID)
+        #        but is not specific to ANDROID
+        list(APPEND SRCS src/VirtualMachineEnv.cpp)
+    endif ()
+    if (ANDROID)
+        list(APPEND SRCS src/opengl/platforms/ExternalStreamManagerAndroid.cpp)
         list(APPEND SRCS src/android/ExternalTextureManagerAndroid.cpp)
-        list(APPEND SRCS src/android/VirtualMachineEnv.cpp)
-        list(APPEND SRCS src/opengl/PlatformEGLAndroid.cpp)
+        list(APPEND SRCS src/opengl/platforms/PlatformEGLAndroid.cpp)
     elseif (IOS)
-        list(APPEND SRCS src/opengl/PlatformCocoaTouchGL.mm)
-        list(APPEND SRCS src/opengl/CocoaTouchExternalImage.mm)
+        list(APPEND SRCS src/opengl/platforms/PlatformCocoaTouchGL.mm)
+        list(APPEND SRCS src/opengl/platforms/CocoaTouchExternalImage.mm)
     elseif (APPLE)
-        list(APPEND SRCS src/opengl/PlatformCocoaGL.mm)
+        list(APPEND SRCS src/opengl/platforms/PlatformCocoaGL.mm)
     elseif (WEBGL)
-        list(APPEND SRCS src/opengl/PlatformWebGL.cpp)
+        list(APPEND SRCS src/opengl/platforms/PlatformWebGL.cpp)
     elseif (LINUX)
-        list(APPEND SRCS src/opengl/PlatformGLX.cpp)
+        list(APPEND SRCS src/opengl/platforms/PlatformGLX.cpp)
     elseif (WIN32)
-        list(APPEND SRCS src/opengl/PlatformWGL.cpp)
+        list(APPEND SRCS src/opengl/platforms/PlatformWGL.cpp)
     else()
-        list(APPEND SRCS src/opengl/PlatformDummyGL.cpp)
+        list(APPEND SRCS src/opengl/platforms/PlatformDummyGL.cpp)
     endif()
 endif()
 
@@ -127,9 +133,9 @@ if (FILAMENT_SUPPORTS_METAL)
         # Objective-C++ sources need an additional compiler flag on iOS to disable exceptions.
         set_property(SOURCE
             ${METAL_SRCS}
-            src/opengl/PlatformCocoaTouchGL.mm
-            src/opengl/CocoaTouchExternalImage.mm
-            src/opengl/PlatformCocoaGL.mm
+                src/opengl/platforms/PlatformCocoaTouchGL.mm
+                src/opengl/platforms/CocoaTouchExternalImage.mm
+                src/opengl/platforms/PlatformCocoaGL.mm
             PROPERTY COMPILE_FLAGS -fno-objc-exceptions)
     endif()
 
@@ -379,6 +385,7 @@ if (APPLE)
         test/test_BufferUpdates.cpp
         test/test_MRT.cpp
         test/test_LoadImage.cpp
+        test/test_RenderExternalImage.cpp
         )
 
     target_link_libraries(backend_test PRIVATE