Foundation for tiling optimization (85ef80d8) · Commits · e / os / android_frameworks_base

libs/hwui/Caches.cpp

+28 −0

Original line number	Diff line number	Diff line
		@@ -321,6 +321,10 @@ bool Caches::unbindIndicesBuffer() {
		return false;
		}

		///////////////////////////////////////////////////////////////////////////////
		// Meshes and textures
		///////////////////////////////////////////////////////////////////////////////

		void Caches::bindPositionVertexPointer(bool force, GLuint slot, GLvoid* vertices, GLsizei stride) {
		if (force \|\| vertices != mCurrentPositionPointer) {
		glVertexAttribPointer(slot, 2, GL_FLOAT, GL_FALSE, stride, vertices);
		@@ -366,6 +370,10 @@ void Caches::activeTexture(GLuint textureUnit) {
		}
		}

		///////////////////////////////////////////////////////////////////////////////
		// Scissor
		///////////////////////////////////////////////////////////////////////////////

		bool Caches::setScissor(GLint x, GLint y, GLint width, GLint height) {
		if (scissorEnabled && (x != mScissorX \|\| y != mScissorY \|\|
		width != mScissorWidth \|\| height != mScissorHeight)) {
		@@ -412,6 +420,26 @@ void Caches::resetScissor() {
		mScissorX = mScissorY = mScissorWidth = mScissorHeight = 0;
		}

		///////////////////////////////////////////////////////////////////////////////
		// Tiling
		///////////////////////////////////////////////////////////////////////////////

		void Caches::startTiling(GLuint x, GLuint y, GLuint width, GLuint height, bool opaque) {
		if (extensions.hasTiledRendering()) {

		}
		}

		void Caches::endTiling() {
		if (extensions.hasTiledRendering()) {

		}
		}

		///////////////////////////////////////////////////////////////////////////////
		// Regions
		///////////////////////////////////////////////////////////////////////////////

		TextureVertex* Caches::getRegionMesh() {
		// Create the mesh, 2 triangles and 4 vertices per rectangle in the region
		if (!mRegionMesh) {

libs/hwui/Caches.h

+3 −0

Original line number	Diff line number	Diff line
		@@ -211,6 +211,9 @@ public:
		bool disableScissor();
		void setScissorEnabled(bool enabled);

		void startTiling(GLuint x, GLuint y, GLuint width, GLuint height, bool opaque);
		void endTiling();

		/**
		* Returns the mesh used to draw regions. Calling this method will
		* bind a VBO of type GL_ELEMENT_ARRAY_BUFFER that contains the

libs/hwui/Extensions.h

+9 −5

Original line number	Diff line number	Diff line
		@@ -65,11 +65,13 @@ public:
		mHasDiscardFramebuffer = hasExtension("GL_EXT_discard_framebuffer");
		mHasDebugMarker = hasExtension("GL_EXT_debug_marker");
		mHasDebugLabel = hasExtension("GL_EXT_debug_label");
		mHasTiledRendering = hasExtension("GL_QCOM_tiled_rendering");

		// We don't need to copy the string, the OpenGL ES spec
		// guarantees the result of glGetString to point to a
		// static string as long as our OpenGL context is valid
		mExtensions = buffer;
		mExtensions = strdup(buffer);
		}

		~Extensions() {
		free(mExtensions);
		}

		inline bool hasNPot() const { return mHasNPot; }
		@@ -77,6 +79,7 @@ public:
		inline bool hasDiscardFramebuffer() const { return mHasDiscardFramebuffer; }
		inline bool hasDebugMarker() const { return mHasDebugMarker; }
		inline bool hasDebugLabel() const { return mHasDebugLabel; }
		inline bool hasTiledRendering() const { return mHasTiledRendering; }

		bool hasExtension(const char* extension) const {
		const String8 s(extension);
		@@ -90,13 +93,14 @@ public:
		private:
		SortedVector<String8> mExtensionList;

		const char* mExtensions;
		char* mExtensions;

		bool mHasNPot;
		bool mHasFramebufferFetch;
		bool mHasDiscardFramebuffer;
		bool mHasDebugMarker;
		bool mHasDebugLabel;
		bool mHasTiledRendering;
		}; // class Extensions

		}; // namespace uirenderer