Cache edge extension shader
Bug: 322036393
Test: N/A
Flag: com.android.graphics.libgui.flags.edge_extension_shader
Change-Id: Idd44d0970e6a4e65888ba7122db97611e1bf22ac
diff --git a/libs/renderengine/include/renderengine/RenderEngine.h b/libs/renderengine/include/renderengine/RenderEngine.h
index 9bc2c48..776b74a 100644
--- a/libs/renderengine/include/renderengine/RenderEngine.h
+++ b/libs/renderengine/include/renderengine/RenderEngine.h
@@ -97,6 +97,7 @@
bool cacheImageDimmedLayers = true;
bool cacheClippedLayers = true;
bool cacheShadowLayers = true;
+ bool cacheEdgeExtension = true;
bool cachePIPImageLayers = true;
bool cacheTransparentImageDimmedLayers = true;
bool cacheClippedDimmedImageLayers = true;
diff --git a/libs/renderengine/skia/Cache.cpp b/libs/renderengine/skia/Cache.cpp
index 59b0656..57041ee 100644
--- a/libs/renderengine/skia/Cache.cpp
+++ b/libs/renderengine/skia/Cache.cpp
@@ -27,6 +27,8 @@
#include "ui/Rect.h"
#include "utils/Timers.h"
+#include <com_android_graphics_libgui_flags.h>
+
namespace android::renderengine::skia {
namespace {
@@ -619,6 +621,32 @@
}
}
+static void drawEdgeExtensionLayers(SkiaRenderEngine* renderengine, const DisplaySettings& display,
+ const std::shared_ptr<ExternalTexture>& dstTexture,
+ const std::shared_ptr<ExternalTexture>& srcTexture) {
+ const Rect& displayRect = display.physicalDisplay;
+ // Make the layer
+ LayerSettings layer{
+ // Make the layer bigger than the texture
+ .geometry = Geometry{.boundaries = FloatRect(0, 0, displayRect.width(),
+ displayRect.height())},
+ .source = PixelSource{.buffer =
+ Buffer{
+ .buffer = srcTexture,
+ .isOpaque = 1,
+ }},
+ // The type of effect does not affect the shader's uniforms, but the layer must have a
+ // valid EdgeExtensionEffect to apply the shader
+ .edgeExtensionEffect =
+ EdgeExtensionEffect(true /* left */, false, false, true /* bottom */),
+ };
+ for (float alpha : {0.5, 0.0, 1.0}) {
+ layer.alpha = alpha;
+ auto layers = std::vector<LayerSettings>{layer};
+ renderengine->drawLayers(display, layers, dstTexture, base::unique_fd());
+ }
+}
+
//
// The collection of shaders cached here were found by using perfetto to record shader compiles
// during actions that involve RenderEngine, logging the layer settings, and the shader code
@@ -761,6 +789,12 @@
// Draw layers for b/185569240.
drawClippedLayers(renderengine, display, dstTexture, texture);
}
+
+ if (com::android::graphics::libgui::flags::edge_extension_shader() &&
+ config.cacheEdgeExtension) {
+ drawEdgeExtensionLayers(renderengine, display, dstTexture, texture);
+ drawEdgeExtensionLayers(renderengine, p3Display, dstTexture, texture);
+ }
}
if (config.cachePIPImageLayers) {
diff --git a/services/surfaceflinger/SurfaceFlinger.cpp b/services/surfaceflinger/SurfaceFlinger.cpp
index e13c74f..aecc256 100644
--- a/services/surfaceflinger/SurfaceFlinger.cpp
+++ b/services/surfaceflinger/SurfaceFlinger.cpp
@@ -1006,6 +1006,8 @@
// which we maintain for backwards compatibility.
config.cacheUltraHDR =
base::GetBoolProperty("ro.surface_flinger.prime_shader_cache.ultrahdr"s, false);
+ config.cacheEdgeExtension =
+ base::GetBoolProperty("debug.sf.edge_extension_shader"s, true);
return getRenderEngine().primeCache(config);
});