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Add JNI bindings for CSM (#2979)

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* Add JNI bindings for CSM

* Fix Windows build

* Fix jovadoc
This commit is contained in:
Ben Doherty
2020-08-21 10:21:31 -07:00
committed by GitHub
parent 83b35e5ac2
commit af2fc39bad
3 changed files with 175 additions and 30 deletions
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android/filament-android/src/main/cpp/LightManager.cpp
+51 -15
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@@ -20,6 +20,8 @@
#include <utils/Entity.h>
#include <algorithm>
using namespace filament;
using namespace utils;
@@ -71,22 +73,32 @@ Java_com_google_android_filament_LightManager_nBuilderCastShadows(JNIEnv*, jclas
}
extern "C" JNIEXPORT void JNICALL
Java_com_google_android_filament_LightManager_nBuilderShadowOptions(JNIEnv*, jclass,
jlong nativeBuilder, jint mapSize, jfloat constantBias, jfloat normalBias, jfloat shadowFar,
jfloat shadowNearHint, jfloat shadowFarHint, jboolean stable,
jboolean screenSpaceContactShadows, jint stepCount, jfloat maxShadowDistance) {
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 maxShadowDistance) {
LightManager::Builder *builder = (LightManager::Builder *) nativeBuilder;
builder->shadowOptions(
LightManager::ShadowOptions{.mapSize = (uint32_t)mapSize,
.constantBias = constantBias,
.normalBias = normalBias,
.shadowFar = shadowFar,
.shadowNearHint = shadowNearHint,
.shadowFarHint = shadowFarHint,
.stable = (bool)stable,
.screenSpaceContactShadows = (bool)screenSpaceContactShadows,
.stepCount = uint8_t(stepCount),
.maxShadowDistance = maxShadowDistance});
LightManager::ShadowOptions shadowOptions {
.mapSize = (uint32_t)mapSize,
.shadowCascades = (uint8_t)cascades,
.constantBias = constantBias,
.normalBias = normalBias,
.shadowFar = shadowFar,
.shadowNearHint = shadowNearHint,
.shadowFarHint = shadowFarHint,
.stable = (bool)stable,
.screenSpaceContactShadows = (bool)screenSpaceContactShadows,
.stepCount = uint8_t(stepCount),
.maxShadowDistance = maxShadowDistance
};
jfloat *nativeSplits = env->GetFloatArrayElements(splitPositions, NULL);
const jsize splitCount = std::min((jsize) 3, env->GetArrayLength(splitPositions));
for (jsize i = 0; i < splitCount; i++) {
shadowOptions.cascadeSplitPositions[i] = nativeSplits[i];
}
env->ReleaseFloatArrayElements(splitPositions, nativeSplits, 0);
builder->shadowOptions(shadowOptions);
}
extern "C" JNIEXPORT void JNICALL
@@ -173,6 +185,30 @@ Java_com_google_android_filament_LightManager_nBuilderHaloFalloff(JNIEnv*, jclas
builder->sunHaloFalloff(haloFalloff);
}
extern "C" JNIEXPORT void JNICALL
Java_com_google_android_filament_LightManager_nComputeUniformSplits(JNIEnv* env, jclass,
jfloatArray splitPositions, jint cascades) {
jfloat *nativeSplits = env->GetFloatArrayElements(splitPositions, NULL);
LightManager::ShadowCascades::computeUniformSplits(nativeSplits, (uint8_t) cascades);
env->ReleaseFloatArrayElements(splitPositions, nativeSplits, 0);
}
extern "C" JNIEXPORT void JNICALL
Java_com_google_android_filament_LightManager_nComputeLogSplits(JNIEnv* env, jclass,
jfloatArray splitPositions, jint cascades, jfloat near, jfloat far) {
jfloat *nativeSplits = env->GetFloatArrayElements(splitPositions, NULL);
LightManager::ShadowCascades::computeLogSplits(nativeSplits, (uint8_t) cascades, near, far);
env->ReleaseFloatArrayElements(splitPositions, nativeSplits, 0);
}
extern "C" JNIEXPORT void JNICALL
Java_com_google_android_filament_LightManager_nComputePracticalSplits(JNIEnv* env, jclass,
jfloatArray splitPositions, jint cascades, jfloat near, jfloat far, jfloat lambda) {
jfloat *nativeSplits = env->GetFloatArrayElements(splitPositions, NULL);
LightManager::ShadowCascades::computePracticalSplits(nativeSplits, (uint8_t) cascades, near, far, lambda);
env->ReleaseFloatArrayElements(splitPositions, nativeSplits, 0);
}
extern "C" JNIEXPORT jboolean JNICALL
Java_com_google_android_filament_LightManager_nBuilderBuild(JNIEnv*, jclass,
jlong nativeBuilder, jlong nativeEngine, jint entity) {