Plumbing through GPU context priority from SF to RE
Test: Run the code. Check logcat.
atest librenderengine_test
Bug: 168740533
Change-Id: I6e34c4064dfd75ac96b86e0af587a208fc93d975
diff --git a/libs/renderengine/gl/GLESRenderEngine.cpp b/libs/renderengine/gl/GLESRenderEngine.cpp
index 279e648..c88e298 100644
--- a/libs/renderengine/gl/GLESRenderEngine.cpp
+++ b/libs/renderengine/gl/GLESRenderEngine.cpp
@@ -222,6 +222,29 @@
return err;
}
+std::optional<RenderEngine::ContextPriority> GLESRenderEngine::createContextPriority(
+ const RenderEngineCreationArgs& args) {
+ if (!GLExtensions::getInstance().hasContextPriority()) {
+ return std::nullopt;
+ }
+
+ switch (args.contextPriority) {
+ case RenderEngine::ContextPriority::REALTIME:
+ if (gl::GLExtensions::getInstance().hasRealtimePriority()) {
+ return RenderEngine::ContextPriority::REALTIME;
+ } else {
+ ALOGI("Realtime priority unsupported, degrading gracefully to high priority");
+ return RenderEngine::ContextPriority::HIGH;
+ }
+ case RenderEngine::ContextPriority::HIGH:
+ case RenderEngine::ContextPriority::MEDIUM:
+ case RenderEngine::ContextPriority::LOW:
+ return args.contextPriority;
+ default:
+ return std::nullopt;
+ }
+}
+
std::unique_ptr<GLESRenderEngine> GLESRenderEngine::create(const RenderEngineCreationArgs& args) {
// initialize EGL for the default display
EGLDisplay display = eglGetDisplay(EGL_DEFAULT_DISPLAY);
@@ -235,6 +258,7 @@
LOG_ALWAYS_FATAL("eglQueryString(EGL_VERSION) failed");
}
+ // Use the Android impl to grab EGL_NV_context_priority_realtime
const auto eglExtensions = eglQueryString(display, EGL_EXTENSIONS);
if (!eglExtensions) {
checkGlError(__FUNCTION__, __LINE__);
@@ -251,17 +275,16 @@
config = chooseEglConfig(display, args.pixelFormat, /*logConfig*/ true);
}
- bool useContextPriority =
- extensions.hasContextPriority() && args.contextPriority == ContextPriority::HIGH;
+ const std::optional<RenderEngine::ContextPriority> priority = createContextPriority(args);
EGLContext protectedContext = EGL_NO_CONTEXT;
if (args.enableProtectedContext && extensions.hasProtectedContent()) {
- protectedContext = createEglContext(display, config, nullptr, useContextPriority,
- Protection::PROTECTED);
+ protectedContext =
+ createEglContext(display, config, nullptr, priority, Protection::PROTECTED);
ALOGE_IF(protectedContext == EGL_NO_CONTEXT, "Can't create protected context");
}
- EGLContext ctxt = createEglContext(display, config, protectedContext, useContextPriority,
- Protection::UNPROTECTED);
+ EGLContext ctxt =
+ createEglContext(display, config, protectedContext, priority, Protection::UNPROTECTED);
// if can't create a GL context, we can only abort.
LOG_ALWAYS_FATAL_IF(ctxt == EGL_NO_CONTEXT, "EGLContext creation failed");
@@ -311,7 +334,6 @@
ALOGI("extensions: %s", extensions.getExtensions());
ALOGI("GL_MAX_TEXTURE_SIZE = %zu", engine->getMaxTextureSize());
ALOGI("GL_MAX_VIEWPORT_DIMS = %zu", engine->getMaxViewportDims());
-
return engine;
}
@@ -802,6 +824,12 @@
ALOGV("Failed to find image for buffer: %" PRIu64, bufferId);
}
+int GLESRenderEngine::getContextPriority() {
+ int value;
+ eglQueryContext(mEGLDisplay, mEGLContext, EGL_CONTEXT_PRIORITY_LEVEL_IMG, &value);
+ return value;
+}
+
FloatRect GLESRenderEngine::setupLayerCropping(const LayerSettings& layer, Mesh& mesh) {
// Translate win by the rounded corners rect coordinates, to have all values in
// layer coordinate space.
@@ -1617,7 +1645,8 @@
}
EGLContext GLESRenderEngine::createEglContext(EGLDisplay display, EGLConfig config,
- EGLContext shareContext, bool useContextPriority,
+ EGLContext shareContext,
+ std::optional<ContextPriority> contextPriority,
Protection protection) {
EGLint renderableType = 0;
if (config == EGL_NO_CONFIG) {
@@ -1640,9 +1669,23 @@
contextAttributes.reserve(7);
contextAttributes.push_back(EGL_CONTEXT_CLIENT_VERSION);
contextAttributes.push_back(contextClientVersion);
- if (useContextPriority) {
+ if (contextPriority) {
contextAttributes.push_back(EGL_CONTEXT_PRIORITY_LEVEL_IMG);
- contextAttributes.push_back(EGL_CONTEXT_PRIORITY_HIGH_IMG);
+ switch (*contextPriority) {
+ case ContextPriority::REALTIME:
+ contextAttributes.push_back(EGL_CONTEXT_PRIORITY_REALTIME_NV);
+ break;
+ case ContextPriority::MEDIUM:
+ contextAttributes.push_back(EGL_CONTEXT_PRIORITY_MEDIUM_IMG);
+ break;
+ case ContextPriority::LOW:
+ contextAttributes.push_back(EGL_CONTEXT_PRIORITY_LOW_IMG);
+ break;
+ case ContextPriority::HIGH:
+ default:
+ contextAttributes.push_back(EGL_CONTEXT_PRIORITY_HIGH_IMG);
+ break;
+ }
}
if (protection == Protection::PROTECTED) {
contextAttributes.push_back(EGL_PROTECTED_CONTENT_EXT);
diff --git a/libs/renderengine/gl/GLESRenderEngine.h b/libs/renderengine/gl/GLESRenderEngine.h
index 92e1529..64d6c6b 100644
--- a/libs/renderengine/gl/GLESRenderEngine.h
+++ b/libs/renderengine/gl/GLESRenderEngine.h
@@ -71,6 +71,7 @@
const sp<GraphicBuffer>& buffer, const bool useFramebufferCache,
base::unique_fd&& bufferFence, base::unique_fd* drawFence) override;
bool cleanupPostRender(CleanupMode mode) override;
+ int getContextPriority() override;
EGLDisplay getEGLDisplay() const { return mEGLDisplay; }
// Creates an output image for rendering to
@@ -116,8 +117,11 @@
static EGLConfig chooseEglConfig(EGLDisplay display, int format, bool logConfig);
static GlesVersion parseGlesVersion(const char* str);
static EGLContext createEglContext(EGLDisplay display, EGLConfig config,
- EGLContext shareContext, bool useContextPriority,
+ EGLContext shareContext,
+ std::optional<ContextPriority> contextPriority,
Protection protection);
+ static std::optional<RenderEngine::ContextPriority> createContextPriority(
+ const RenderEngineCreationArgs& args);
static EGLSurface createStubEglPbufferSurface(EGLDisplay display, EGLConfig config,
int hwcFormat, Protection protection);
std::unique_ptr<Framebuffer> createFramebuffer();
diff --git a/libs/renderengine/gl/GLExtensions.cpp b/libs/renderengine/gl/GLExtensions.cpp
index 2924b0e..3dd534e 100644
--- a/libs/renderengine/gl/GLExtensions.cpp
+++ b/libs/renderengine/gl/GLExtensions.cpp
@@ -120,6 +120,10 @@
if (extensionSet.hasExtension("EGL_KHR_surfaceless_context")) {
mHasSurfacelessContext = true;
}
+
+ if (extensionSet.hasExtension("EGL_NV_context_priority_realtime")) {
+ mHasRealtimePriority = true;
+ }
}
char const* GLExtensions::getEGLVersion() const {
diff --git a/libs/renderengine/gl/GLExtensions.h b/libs/renderengine/gl/GLExtensions.h
index ef00009..e415ff3 100644
--- a/libs/renderengine/gl/GLExtensions.h
+++ b/libs/renderengine/gl/GLExtensions.h
@@ -41,6 +41,7 @@
bool hasContextPriority() const { return mHasContextPriority; }
bool hasSurfacelessContext() const { return mHasSurfacelessContext; }
bool hasProtectedTexture() const { return mHasProtectedTexture; }
+ bool hasRealtimePriority() const { return mHasRealtimePriority; }
void initWithGLStrings(GLubyte const* vendor, GLubyte const* renderer, GLubyte const* version,
GLubyte const* extensions);
@@ -67,6 +68,7 @@
bool mHasContextPriority = false;
bool mHasSurfacelessContext = false;
bool mHasProtectedTexture = false;
+ bool mHasRealtimePriority = false;
String8 mVendor;
String8 mRenderer;
diff --git a/libs/renderengine/include/renderengine/RenderEngine.h b/libs/renderengine/include/renderengine/RenderEngine.h
index ef12fd2..9157066 100644
--- a/libs/renderengine/include/renderengine/RenderEngine.h
+++ b/libs/renderengine/include/renderengine/RenderEngine.h
@@ -75,6 +75,7 @@
LOW = 1,
MEDIUM = 2,
HIGH = 3,
+ REALTIME = 4,
};
enum class RenderEngineType {
@@ -181,6 +182,10 @@
const sp<GraphicBuffer>& buffer, const bool useFramebufferCache,
base::unique_fd&& bufferFence, base::unique_fd* drawFence) = 0;
virtual void cleanFramebufferCache() = 0;
+ // Returns the priority this context was actually created with. Note: this may not be
+ // the same as specified at context creation time, due to implementation limits on the
+ // number of contexts that can be created at a specific priority level in the system.
+ virtual int getContextPriority() = 0;
protected:
friend class threaded::RenderEngineThreaded;
diff --git a/libs/renderengine/include/renderengine/mock/RenderEngine.h b/libs/renderengine/include/renderengine/mock/RenderEngine.h
index 95ee925..2c34da4 100644
--- a/libs/renderengine/include/renderengine/mock/RenderEngine.h
+++ b/libs/renderengine/include/renderengine/mock/RenderEngine.h
@@ -53,6 +53,7 @@
const sp<GraphicBuffer>&, const bool, base::unique_fd&&,
base::unique_fd*));
MOCK_METHOD0(cleanFramebufferCache, void());
+ MOCK_METHOD0(getContextPriority, int());
};
} // namespace mock
diff --git a/libs/renderengine/skia/SkiaGLRenderEngine.cpp b/libs/renderengine/skia/SkiaGLRenderEngine.cpp
index 1f98a46..3d6b7af 100644
--- a/libs/renderengine/skia/SkiaGLRenderEngine.cpp
+++ b/libs/renderengine/skia/SkiaGLRenderEngine.cpp
@@ -169,17 +169,16 @@
config = chooseEglConfig(display, args.pixelFormat, /*logConfig*/ true);
}
- bool useContextPriority =
- extensions.hasContextPriority() && args.contextPriority == ContextPriority::HIGH;
EGLContext protectedContext = EGL_NO_CONTEXT;
+ const std::optional<RenderEngine::ContextPriority> priority = createContextPriority(args);
if (args.enableProtectedContext && extensions.hasProtectedContent()) {
- protectedContext = createEglContext(display, config, nullptr, useContextPriority,
- Protection::PROTECTED);
+ protectedContext =
+ createEglContext(display, config, nullptr, priority, Protection::PROTECTED);
ALOGE_IF(protectedContext == EGL_NO_CONTEXT, "Can't create protected context");
}
- EGLContext ctxt = createEglContext(display, config, protectedContext, useContextPriority,
- Protection::UNPROTECTED);
+ EGLContext ctxt =
+ createEglContext(display, config, protectedContext, priority, Protection::UNPROTECTED);
// if can't create a GL context, we can only abort.
LOG_ALWAYS_FATAL_IF(ctxt == EGL_NO_CONTEXT, "EGLContext creation failed");
@@ -832,7 +831,8 @@
}
EGLContext SkiaGLRenderEngine::createEglContext(EGLDisplay display, EGLConfig config,
- EGLContext shareContext, bool useContextPriority,
+ EGLContext shareContext,
+ std::optional<ContextPriority> contextPriority,
Protection protection) {
EGLint renderableType = 0;
if (config == EGL_NO_CONFIG_KHR) {
@@ -855,9 +855,23 @@
contextAttributes.reserve(7);
contextAttributes.push_back(EGL_CONTEXT_CLIENT_VERSION);
contextAttributes.push_back(contextClientVersion);
- if (useContextPriority) {
+ if (contextPriority) {
contextAttributes.push_back(EGL_CONTEXT_PRIORITY_LEVEL_IMG);
- contextAttributes.push_back(EGL_CONTEXT_PRIORITY_HIGH_IMG);
+ switch (*contextPriority) {
+ case ContextPriority::REALTIME:
+ contextAttributes.push_back(EGL_CONTEXT_PRIORITY_REALTIME_NV);
+ break;
+ case ContextPriority::MEDIUM:
+ contextAttributes.push_back(EGL_CONTEXT_PRIORITY_MEDIUM_IMG);
+ break;
+ case ContextPriority::LOW:
+ contextAttributes.push_back(EGL_CONTEXT_PRIORITY_LOW_IMG);
+ break;
+ case ContextPriority::HIGH:
+ default:
+ contextAttributes.push_back(EGL_CONTEXT_PRIORITY_HIGH_IMG);
+ break;
+ }
}
if (protection == Protection::PROTECTED) {
contextAttributes.push_back(EGL_PROTECTED_CONTENT_EXT);
@@ -882,6 +896,29 @@
return context;
}
+std::optional<RenderEngine::ContextPriority> SkiaGLRenderEngine::createContextPriority(
+ const RenderEngineCreationArgs& args) {
+ if (!gl::GLExtensions::getInstance().hasContextPriority()) {
+ return std::nullopt;
+ }
+
+ switch (args.contextPriority) {
+ case RenderEngine::ContextPriority::REALTIME:
+ if (gl::GLExtensions::getInstance().hasRealtimePriority()) {
+ return RenderEngine::ContextPriority::REALTIME;
+ } else {
+ ALOGI("Realtime priority unsupported, degrading gracefully to high priority");
+ return RenderEngine::ContextPriority::HIGH;
+ }
+ case RenderEngine::ContextPriority::HIGH:
+ case RenderEngine::ContextPriority::MEDIUM:
+ case RenderEngine::ContextPriority::LOW:
+ return args.contextPriority;
+ default:
+ return std::nullopt;
+ }
+}
+
EGLSurface SkiaGLRenderEngine::createPlaceholderEglPbufferSurface(EGLDisplay display,
EGLConfig config, int hwcFormat,
Protection protection) {
@@ -906,6 +943,12 @@
void SkiaGLRenderEngine::cleanFramebufferCache() {}
+int SkiaGLRenderEngine::getContextPriority() {
+ int value;
+ eglQueryContext(mEGLDisplay, mEGLContext, EGL_CONTEXT_PRIORITY_LEVEL_IMG, &value);
+ return value;
+}
+
} // namespace skia
} // namespace renderengine
} // namespace android
diff --git a/libs/renderengine/skia/SkiaGLRenderEngine.h b/libs/renderengine/skia/SkiaGLRenderEngine.h
index b53250e..3d8c693 100644
--- a/libs/renderengine/skia/SkiaGLRenderEngine.h
+++ b/libs/renderengine/skia/SkiaGLRenderEngine.h
@@ -56,6 +56,7 @@
const sp<GraphicBuffer>& buffer, const bool useFramebufferCache,
base::unique_fd&& bufferFence, base::unique_fd* drawFence) override;
void cleanFramebufferCache() override;
+ int getContextPriority() override;
bool isProtected() const override { return mInProtectedContext; }
bool supportsProtectedContent() const override;
bool useProtectedContext(bool useProtectedContext) override;
@@ -68,8 +69,11 @@
private:
static EGLConfig chooseEglConfig(EGLDisplay display, int format, bool logConfig);
static EGLContext createEglContext(EGLDisplay display, EGLConfig config,
- EGLContext shareContext, bool useContextPriority,
+ EGLContext shareContext,
+ std::optional<ContextPriority> contextPriority,
Protection protection);
+ static std::optional<RenderEngine::ContextPriority> createContextPriority(
+ const RenderEngineCreationArgs& args);
static EGLSurface createPlaceholderEglPbufferSurface(EGLDisplay display, EGLConfig config,
int hwcFormat, Protection protection);
inline SkRect getSkRect(const FloatRect& layer);
diff --git a/libs/renderengine/skia/SkiaRenderEngine.h b/libs/renderengine/skia/SkiaRenderEngine.h
index 2352c7e..12b8586 100644
--- a/libs/renderengine/skia/SkiaRenderEngine.h
+++ b/libs/renderengine/skia/SkiaRenderEngine.h
@@ -56,6 +56,7 @@
return 0;
};
virtual bool cleanupPostRender(CleanupMode) override { return true; };
+ virtual int getContextPriority() override { return 0; }
};
} // namespace skia
diff --git a/libs/renderengine/threaded/RenderEngineThreaded.cpp b/libs/renderengine/threaded/RenderEngineThreaded.cpp
index 5453302..08f2949 100644
--- a/libs/renderengine/threaded/RenderEngineThreaded.cpp
+++ b/libs/renderengine/threaded/RenderEngineThreaded.cpp
@@ -304,6 +304,21 @@
resultFuture.wait();
}
+int RenderEngineThreaded::getContextPriority() {
+ std::promise<int> resultPromise;
+ std::future<int> resultFuture = resultPromise.get_future();
+ {
+ std::lock_guard lock(mThreadMutex);
+ mFunctionCalls.push([&resultPromise](renderengine::RenderEngine& instance) {
+ ATRACE_NAME("REThreaded::getContextPriority");
+ int priority = instance.getContextPriority();
+ resultPromise.set_value(priority);
+ });
+ }
+ mCondition.notify_one();
+ return resultFuture.get();
+}
+
} // namespace threaded
} // namespace renderengine
} // namespace android
diff --git a/libs/renderengine/threaded/RenderEngineThreaded.h b/libs/renderengine/threaded/RenderEngineThreaded.h
index cdfbd04..8b1e2de 100644
--- a/libs/renderengine/threaded/RenderEngineThreaded.h
+++ b/libs/renderengine/threaded/RenderEngineThreaded.h
@@ -63,6 +63,7 @@
base::unique_fd&& bufferFence, base::unique_fd* drawFence) override;
void cleanFramebufferCache() override;
+ int getContextPriority() override;
private:
void threadMain(CreateInstanceFactory factory);