Add a sysprop to switch between blur algorithms
Bug: 185365391
Test: adb root && adb shell 'setprop debug.renderengine.blur_algorithm kawase' && adb shell 'stop; start' && sleep 30 && atest BlurTests
Test: adb root && adb shell 'setprop debug.renderengine.blur_algorithm gaussian' && adb shell 'stop start' && sleep 30 && atest BlurTests
Test: adb root && adb shell 'setprop debug.renderengine.blur_algorithm ""' && adb shell 'stop; start' && sleep 30 && atest BlurTests
Merged-In: Ib977e1d54eb08946449d447101a0c65273aa3b40
Change-Id: Ib977e1d54eb08946449d447101a0c65273aa3b40
diff --git a/libs/renderengine/include/renderengine/RenderEngine.h b/libs/renderengine/include/renderengine/RenderEngine.h
index 00a6213..69e7b88 100644
--- a/libs/renderengine/include/renderengine/RenderEngine.h
+++ b/libs/renderengine/include/renderengine/RenderEngine.h
@@ -50,6 +50,11 @@
#define PROPERTY_DEBUG_RENDERENGINE_CAPTURE_FILENAME "debug.renderengine.capture_filename"
/**
+ * Switches the cross-window background blur algorithm.
+ */
+#define PROPERTY_DEBUG_RENDERENGINE_BLUR_ALGORITHM "debug.renderengine.blur_algorithm"
+
+/**
* Allows recording of Skia drawing commands with systrace.
*/
#define PROPERTY_SKIA_ATRACE_ENABLED "debug.renderengine.skia_atrace_enabled"
@@ -107,6 +112,12 @@
GRAPHITE,
};
+ enum class BlurAlgorithm {
+ NONE,
+ GAUSSIAN,
+ KAWASE,
+ };
+
static std::unique_ptr<RenderEngine> create(const RenderEngineCreationArgs& args);
static bool canSupport(GraphicsApi);
@@ -258,7 +269,7 @@
bool useColorManagement;
bool enableProtectedContext;
bool precacheToneMapperShaderOnly;
- bool supportsBackgroundBlur;
+ RenderEngine::BlurAlgorithm blurAlgorithm;
RenderEngine::ContextPriority contextPriority;
RenderEngine::Threaded threaded;
RenderEngine::GraphicsApi graphicsApi;
@@ -270,7 +281,7 @@
// must be created by Builder via constructor with full argument list
RenderEngineCreationArgs(int _pixelFormat, uint32_t _imageCacheSize,
bool _enableProtectedContext, bool _precacheToneMapperShaderOnly,
- bool _supportsBackgroundBlur,
+ RenderEngine::BlurAlgorithm _blurAlgorithm,
RenderEngine::ContextPriority _contextPriority,
RenderEngine::Threaded _threaded,
RenderEngine::GraphicsApi _graphicsApi,
@@ -279,7 +290,7 @@
imageCacheSize(_imageCacheSize),
enableProtectedContext(_enableProtectedContext),
precacheToneMapperShaderOnly(_precacheToneMapperShaderOnly),
- supportsBackgroundBlur(_supportsBackgroundBlur),
+ blurAlgorithm(_blurAlgorithm),
contextPriority(_contextPriority),
threaded(_threaded),
graphicsApi(_graphicsApi),
@@ -306,8 +317,8 @@
this->precacheToneMapperShaderOnly = precacheToneMapperShaderOnly;
return *this;
}
- Builder& setSupportsBackgroundBlur(bool supportsBackgroundBlur) {
- this->supportsBackgroundBlur = supportsBackgroundBlur;
+ Builder& setBlurAlgorithm(RenderEngine::BlurAlgorithm blurAlgorithm) {
+ this->blurAlgorithm = blurAlgorithm;
return *this;
}
Builder& setContextPriority(RenderEngine::ContextPriority contextPriority) {
@@ -328,7 +339,7 @@
}
RenderEngineCreationArgs build() const {
return RenderEngineCreationArgs(pixelFormat, imageCacheSize, enableProtectedContext,
- precacheToneMapperShaderOnly, supportsBackgroundBlur,
+ precacheToneMapperShaderOnly, blurAlgorithm,
contextPriority, threaded, graphicsApi, skiaBackend);
}
@@ -338,7 +349,7 @@
uint32_t imageCacheSize = 0;
bool enableProtectedContext = false;
bool precacheToneMapperShaderOnly = false;
- bool supportsBackgroundBlur = false;
+ RenderEngine::BlurAlgorithm blurAlgorithm = RenderEngine::BlurAlgorithm::NONE;
RenderEngine::ContextPriority contextPriority = RenderEngine::ContextPriority::MEDIUM;
RenderEngine::Threaded threaded = RenderEngine::Threaded::YES;
RenderEngine::GraphicsApi graphicsApi = RenderEngine::GraphicsApi::GL;
diff --git a/libs/renderengine/skia/SkiaGLRenderEngine.cpp b/libs/renderengine/skia/SkiaGLRenderEngine.cpp
index 61369ae..9d3d98e 100644
--- a/libs/renderengine/skia/SkiaGLRenderEngine.cpp
+++ b/libs/renderengine/skia/SkiaGLRenderEngine.cpp
@@ -271,7 +271,7 @@
EGLContext ctxt, EGLSurface placeholder,
EGLContext protectedContext, EGLSurface protectedPlaceholder)
: SkiaRenderEngine(args.threaded, static_cast<PixelFormat>(args.pixelFormat),
- args.supportsBackgroundBlur),
+ args.blurAlgorithm),
mEGLDisplay(display),
mEGLContext(ctxt),
mPlaceholderSurface(placeholder),
diff --git a/libs/renderengine/skia/SkiaRenderEngine.cpp b/libs/renderengine/skia/SkiaRenderEngine.cpp
index 2484650..4641cb9 100644
--- a/libs/renderengine/skia/SkiaRenderEngine.cpp
+++ b/libs/renderengine/skia/SkiaRenderEngine.cpp
@@ -273,12 +273,25 @@
}
SkiaRenderEngine::SkiaRenderEngine(Threaded threaded, PixelFormat pixelFormat,
- bool supportsBackgroundBlur)
+ BlurAlgorithm blurAlgorithm)
: RenderEngine(threaded), mDefaultPixelFormat(pixelFormat) {
- if (supportsBackgroundBlur) {
- ALOGD("Background Blurs Enabled");
- mBlurFilter = new KawaseBlurFilter();
+ switch (blurAlgorithm) {
+ case BlurAlgorithm::GAUSSIAN: {
+ ALOGD("Background Blurs Enabled (Gaussian algorithm)");
+ mBlurFilter = new GaussianBlurFilter();
+ break;
+ }
+ case BlurAlgorithm::KAWASE: {
+ ALOGD("Background Blurs Enabled (Kawase algorithm)");
+ mBlurFilter = new KawaseBlurFilter();
+ break;
+ }
+ default: {
+ mBlurFilter = nullptr;
+ break;
+ }
}
+
mCapture = std::make_unique<SkiaCapture>();
}
diff --git a/libs/renderengine/skia/SkiaRenderEngine.h b/libs/renderengine/skia/SkiaRenderEngine.h
index d7b4910..ed50029 100644
--- a/libs/renderengine/skia/SkiaRenderEngine.h
+++ b/libs/renderengine/skia/SkiaRenderEngine.h
@@ -59,7 +59,7 @@
class SkiaRenderEngine : public RenderEngine {
public:
static std::unique_ptr<SkiaRenderEngine> create(const RenderEngineCreationArgs& args);
- SkiaRenderEngine(Threaded, PixelFormat pixelFormat, bool supportsBackgroundBlur);
+ SkiaRenderEngine(Threaded, PixelFormat pixelFormat, BlurAlgorithm);
~SkiaRenderEngine() override;
std::future<void> primeCache(bool shouldPrimeUltraHDR) override final;
diff --git a/libs/renderengine/skia/SkiaVkRenderEngine.cpp b/libs/renderengine/skia/SkiaVkRenderEngine.cpp
index fd71332..406fd81 100644
--- a/libs/renderengine/skia/SkiaVkRenderEngine.cpp
+++ b/libs/renderengine/skia/SkiaVkRenderEngine.cpp
@@ -85,7 +85,7 @@
SkiaVkRenderEngine::SkiaVkRenderEngine(const RenderEngineCreationArgs& args)
: SkiaRenderEngine(args.threaded, static_cast<PixelFormat>(args.pixelFormat),
- args.supportsBackgroundBlur) {}
+ args.blurAlgorithm) {}
SkiaVkRenderEngine::~SkiaVkRenderEngine() {
finishRenderingAndAbandonContext();
diff --git a/libs/renderengine/tests/RenderEngineTest.cpp b/libs/renderengine/tests/RenderEngineTest.cpp
index 9f614bd..640c434 100644
--- a/libs/renderengine/tests/RenderEngineTest.cpp
+++ b/libs/renderengine/tests/RenderEngineTest.cpp
@@ -116,7 +116,7 @@
.setImageCacheSize(1)
.setEnableProtectedContext(false)
.setPrecacheToneMapperShaderOnly(false)
- .setSupportsBackgroundBlur(true)
+ .setBlurAlgorithm(renderengine::RenderEngine::BlurAlgorithm::KAWASE)
.setContextPriority(renderengine::RenderEngine::ContextPriority::MEDIUM)
.setThreaded(renderengine::RenderEngine::Threaded::NO)
.setGraphicsApi(graphicsApi())
diff --git a/services/surfaceflinger/SurfaceFlinger.cpp b/services/surfaceflinger/SurfaceFlinger.cpp
index 21f1cb3..b3f83f0 100644
--- a/services/surfaceflinger/SurfaceFlinger.cpp
+++ b/services/surfaceflinger/SurfaceFlinger.cpp
@@ -821,6 +821,23 @@
}
}
+/**
+ * Choose a suggested blurring algorithm if supportsBlur is true. By default Kawase will be
+ * suggested as it's faster than a full Gaussian blur and looks close enough.
+ */
+renderengine::RenderEngine::BlurAlgorithm chooseBlurAlgorithm(bool supportsBlur) {
+ if (!supportsBlur) {
+ return renderengine::RenderEngine::BlurAlgorithm::NONE;
+ }
+
+ auto const algorithm = base::GetProperty(PROPERTY_DEBUG_RENDERENGINE_BLUR_ALGORITHM, "");
+ if (algorithm == "gaussian") {
+ return renderengine::RenderEngine::BlurAlgorithm::GAUSSIAN;
+ } else {
+ return renderengine::RenderEngine::BlurAlgorithm::KAWASE;
+ }
+}
+
void SurfaceFlinger::init() FTL_FAKE_GUARD(kMainThreadContext) {
ATRACE_CALL();
ALOGI( "SurfaceFlinger's main thread ready to run. "
@@ -836,7 +853,7 @@
.setImageCacheSize(maxFrameBufferAcquiredBuffers)
.setEnableProtectedContext(enable_protected_contents(false))
.setPrecacheToneMapperShaderOnly(false)
- .setSupportsBackgroundBlur(mSupportsBlur)
+ .setBlurAlgorithm(chooseBlurAlgorithm(mSupportsBlur))
.setContextPriority(
useContextPriority
? renderengine::RenderEngine::ContextPriority::REALTIME