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Improve AO buffer upsampling

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Since AO is computed at 1/4 resolution, it is necessary to upsample
the AO buffer. Until now this was done with a bilinear tap, which is
less than ideal as it can creates jaggies at edges.

High quality upsampling can now be enabled and uses a bilateral filter.
The cost is about 2.0 ms at 250MHz on Pixel 4. ES3.1 is required.
This commit is contained in:
Pixelflinger
2020-05-21 16:05:16 -07:00
committed by Mathias Agopian
parent d1ed4f837c
commit 62ff7b7d0a
10 changed files with 106 additions and 17 deletions
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5
android/filament-android/src/main/cpp/View.cpp
View File

@@ -192,7 +192,7 @@ Java_com_google_android_filament_View_nGetAmbientOcclusion(JNIEnv*, jclass, jlon
extern "C" JNIEXPORT void JNICALL
Java_com_google_android_filament_View_nSetAmbientOcclusionOptions(JNIEnv*, jclass,
jlong nativeView, jfloat radius, jfloat bias, jfloat power, jfloat resolution, jfloat intensity,
jint quality) {
jint quality, jint upsampling) {
View* view = (View*) nativeView;
View::AmbientOcclusionOptions options = {
.radius = radius,
@@ -200,7 +200,8 @@ Java_com_google_android_filament_View_nSetAmbientOcclusionOptions(JNIEnv*, jclas
.bias = bias,
.resolution = resolution,
.intensity = intensity,
.quality = (View::QualityLevel)quality
.quality = (View::QualityLevel)quality,
.upsampling = (View::QualityLevel)upsampling
};
view->setAmbientOcclusionOptions(options);
}