Add support for background blurs
Bug: 141640413
Fixes: 146384234
Test: adb shell setprop debug.sf.disableBlurs 1
Test: adb shell setprop debug.sf.gaussianBlur 0
Test: adb shell setprop ro.surface_flinger.supports_background_blur 1
Test: ./SurfaceFlinger_test --gtest_filter=Layer*Tests/Layer*Test.SetBackgroundBlur*
Test: ./librenderengine_test --gtest_filter=*BlurBackground*"
Test: atest SurfaceFlinger_test:SurfaceInterceptorTest#InterceptBackgroundBlurRadiusUpdateWorks
Change-Id: I5194c910fe7062f33e70943867012539e6c6626a
diff --git a/libs/renderengine/tests/RenderEngineTest.cpp b/libs/renderengine/tests/RenderEngineTest.cpp
index 7700b2e..e676740 100644
--- a/libs/renderengine/tests/RenderEngineTest.cpp
+++ b/libs/renderengine/tests/RenderEngineTest.cpp
@@ -23,6 +23,7 @@
#include <fstream>
#include <gtest/gtest.h>
+#include <cutils/properties.h>
#include <renderengine/RenderEngine.h>
#include <sync/sync.h>
#include <ui/PixelFormat.h>
@@ -44,6 +45,7 @@
.setUseColorManagerment(false)
.setEnableProtectedContext(false)
.setPrecacheToneMapperShaderOnly(false)
+ .setSupportsBackgroundBlur(true)
.setContextPriority(renderengine::RenderEngine::ContextPriority::MEDIUM)
.build());
}
@@ -328,6 +330,9 @@
void fillBufferWithRoundedCorners();
template <typename SourceVariant>
+ void fillBufferAndBlurBackground();
+
+ template <typename SourceVariant>
void overlayCorners();
void fillRedBufferTextureTransform();
@@ -706,6 +711,51 @@
}
template <typename SourceVariant>
+void RenderEngineTest::fillBufferAndBlurBackground() {
+ char value[PROPERTY_VALUE_MAX];
+ property_get("ro.surface_flinger.supports_background_blur", value, "0");
+ if (!atoi(value)) {
+ // This device doesn't support blurs, no-op.
+ return;
+ }
+
+ auto blurRadius = 50;
+ auto center = DEFAULT_DISPLAY_WIDTH / 2;
+
+ renderengine::DisplaySettings settings;
+ settings.physicalDisplay = fullscreenRect();
+ settings.clip = fullscreenRect();
+
+ std::vector<renderengine::LayerSettings> layers;
+
+ renderengine::LayerSettings backgroundLayer;
+ backgroundLayer.geometry.boundaries = fullscreenRect().toFloatRect();
+ SourceVariant::fillColor(backgroundLayer, 0.0f, 1.0f, 0.0f, this);
+ backgroundLayer.alpha = 1.0f;
+ layers.push_back(backgroundLayer);
+
+ renderengine::LayerSettings leftLayer;
+ leftLayer.geometry.boundaries =
+ Rect(DEFAULT_DISPLAY_WIDTH / 2, DEFAULT_DISPLAY_HEIGHT).toFloatRect();
+ SourceVariant::fillColor(leftLayer, 1.0f, 0.0f, 0.0f, this);
+ leftLayer.alpha = 1.0f;
+ layers.push_back(leftLayer);
+
+ renderengine::LayerSettings blurLayer;
+ blurLayer.geometry.boundaries = fullscreenRect().toFloatRect();
+ blurLayer.backgroundBlurRadius = blurRadius;
+ blurLayer.alpha = 0;
+ layers.push_back(blurLayer);
+
+ invokeDraw(settings, layers, mBuffer);
+
+ expectBufferColor(Rect(center - 1, center - 5, center, center + 5), 150, 150, 0, 255,
+ 50 /* tolerance */);
+ expectBufferColor(Rect(center, center - 5, center + 1, center + 5), 150, 150, 0, 255,
+ 50 /* tolerance */);
+}
+
+template <typename SourceVariant>
void RenderEngineTest::overlayCorners() {
renderengine::DisplaySettings settings;
settings.physicalDisplay = fullscreenRect();
@@ -1032,6 +1082,10 @@
fillBufferWithRoundedCorners<ColorSourceVariant>();
}
+TEST_F(RenderEngineTest, drawLayers_fillBufferAndBlurBackground_colorSource) {
+ fillBufferAndBlurBackground<ColorSourceVariant>();
+}
+
TEST_F(RenderEngineTest, drawLayers_overlayCorners_colorSource) {
overlayCorners<ColorSourceVariant>();
}
@@ -1084,6 +1138,10 @@
fillBufferWithRoundedCorners<BufferSourceVariant<ForceOpaqueBufferVariant>>();
}
+TEST_F(RenderEngineTest, drawLayers_fillBufferAndBlurBackground_opaqueBufferSource) {
+ fillBufferAndBlurBackground<BufferSourceVariant<ForceOpaqueBufferVariant>>();
+}
+
TEST_F(RenderEngineTest, drawLayers_overlayCorners_opaqueBufferSource) {
overlayCorners<BufferSourceVariant<ForceOpaqueBufferVariant>>();
}
@@ -1136,6 +1194,10 @@
fillBufferWithRoundedCorners<BufferSourceVariant<RelaxOpaqueBufferVariant>>();
}
+TEST_F(RenderEngineTest, drawLayers_fillBufferAndBlurBackground_bufferSource) {
+ fillBufferAndBlurBackground<BufferSourceVariant<RelaxOpaqueBufferVariant>>();
+}
+
TEST_F(RenderEngineTest, drawLayers_overlayCorners_bufferSource) {
overlayCorners<BufferSourceVariant<RelaxOpaqueBufferVariant>>();
}