Add new Query class for debugging (7f430766) · Commits · e / os / android_frameworks_base

libs/hwui/Caches.cpp

+1 −1

Original line number	Diff line number	Diff line
		@@ -145,7 +145,7 @@ void Caches::initStaticProperties() {
		gpuPixelBuffersEnabled = false;

		// OpenGL ES 3.0+ specific features
		if (mExtensions.getMajorGlVersion() >= 3) {
		if (mExtensions.hasPixelBufferObjects()) {
		char property[PROPERTY_VALUE_MAX];
		if (property_get(PROPERTY_ENABLE_GPU_PIXEL_BUFFERS, property, "true") > 0) {
		gpuPixelBuffersEnabled = !strcmp(property, "true");

libs/hwui/Dither.cpp

+1 −1

Original line number	Diff line number	Diff line
		@@ -29,7 +29,7 @@ Dither::Dither(): mCaches(NULL), mInitialized(false), mDitherTexture(0) {

		void Dither::bindDitherTexture() {
		if (!mInitialized) {
		bool useFloatTexture = Extensions::getInstance().getMajorGlVersion() >= 3;
		bool useFloatTexture = Extensions::getInstance().hasFloatTextures();

		glGenTextures(1, &mDitherTexture);
		mCaches->bindTexture(mDitherTexture);

libs/hwui/Extensions.h

+4 −0

Original line number	Diff line number	Diff line
		@@ -42,6 +42,10 @@ public:
		inline bool has4BitStencil() const { return mHas4BitStencil; }
		inline bool hasNvSystemTime() const { return mHasNvSystemTime; }

		inline bool hasPixelBufferObjects() const { return mVersionMajor >= 3; }
		inline bool hasOcclusionQueries() const { return mVersionMajor >= 3; }
		inline bool hasFloatTextures() const { return mVersionMajor >= 3; }

		inline int getMajorGlVersion() const { return mVersionMajor; }
		inline int getMinorGlVersion() const { return mVersionMinor; }

libs/hwui/GradientCache.cpp

+1 −1

Original line number	Diff line number	Diff line
		@@ -78,7 +78,7 @@ GradientCache::GradientCache():
		mCache.setOnEntryRemovedListener(this);

		const Extensions& extensions = Extensions::getInstance();
		mUseFloatTexture = extensions.getMajorGlVersion() >= 3;
		mUseFloatTexture = extensions.hasFloatTextures();
		mHasNpot = extensions.hasNPot();
		}

libs/hwui/Query.h

0 → 100644

+152 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright (C) 2013 The Android Open Source Project
		*
		* Licensed under the Apache License, Version 2.0 (the "License");
		* you may not use this file except in compliance with the License.
		* You may obtain a copy of the License at
		*
		* http://www.apache.org/licenses/LICENSE-2.0
		*
		* Unless required by applicable law or agreed to in writing, software
		* distributed under the License is distributed on an "AS IS" BASIS,
		* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
		* See the License for the specific language governing permissions and
		* limitations under the License.
		*/

		#ifndef ANDROID_HWUI_QUERY_H
		#define ANDROID_HWUI_QUERY_H

		#include <GLES3/gl3.h>

		#include "Extensions.h"

		namespace android {
		namespace uirenderer {

		/**
		* A Query instance can be used to perform occlusion queries. If the device
		* does not support occlusion queries, the result of a query will always be
		* 0 and the result will always be marked available.
		*
		* To run an occlusion query successfully, you must start end end the query:
		*
		* Query query;
		* query.begin();
		* // execute OpenGL calls
		* query.end();
		* GLuint result = query.getResult();
		*/
		class Query {
		public:
		/**
		* Possible query targets.
		*/
		enum Target {
		/**
		* Indicates if any sample passed the depth & stencil tests.
		*/
		kTargetSamples = GL_ANY_SAMPLES_PASSED,
		/**
		* Indicates if any sample passed the depth & stencil tests.
		* The implementation may choose to use a less precise version
		* of the test, potentially resulting in false positives.
		*/
		kTargetConservativeSamples = GL_ANY_SAMPLES_PASSED_CONSERVATIVE,
		};

		/**
		* Creates a new query with the specified target. The default
		* target is kTargetSamples (of GL_ANY_SAMPLES_PASSED in OpenGL.)
		*/
		Query(Target target = kTargetSamples): mActive(false), mTarget(target),
		mCanQuery(Extensions::getInstance().hasOcclusionQueries()),
		mQuery(0) {
		}

		~Query() {
		if (mQuery) {
		glDeleteQueries(1, &mQuery);
		}
		}

		/**
		* Begins the query. If the query has already begun or if the device
		* does not support occlusion queries, calling this method as no effect.
		* After calling this method successfully, the query is marked active.
		*/
		void begin() {
		if (!mActive && mCanQuery) {
		if (!mQuery) {
		glGenQueries(1, &mQuery);
		}

		glBeginQuery(mTarget, mQuery);
		mActive = true;
		}
		}

		/**
		* Ends the query. If the query has already begun or if the device
		* does not support occlusion queries, calling this method as no effect.
		* After calling this method successfully, the query is marked inactive.
		*/
		void end() {
		if (mQuery && mActive) {
		glEndQuery(mTarget);
		mActive = false;
		}
		}

		/**
		* Returns true if the query is active, false otherwise.
		*/
		bool isActive() {
		return mActive;
		}

		/**
		* Returns true if the result of the query is available,
		* false otherwise. Calling getResult() before the result
		* is available may result in the calling thread being blocked.
		* If the device does not support queries, this method always
		* returns true.
		*/
		bool isResultAvailable() {
		if (!mQuery) return true;

		GLuint result;
		glGetQueryObjectuiv(mQuery, GL_QUERY_RESULT_AVAILABLE, &result);
		return result == GL_TRUE;
		}

		/**
		* Returns the result of the query. If the device does not
		* support queries this method will return 0.
		*
		* Calling this method implicitely calls end() if the query
		* is currently active.
		*/
		GLuint getResult() {
		if (!mQuery) return 0;

		end();

		GLuint result;
		glGetQueryObjectuiv(mQuery, GL_QUERY_RESULT, &result);
		return result;
		}


		private:
		bool mActive;
		GLenum mTarget;
		bool mCanQuery;
		GLuint mQuery;

		}; // class Query

		}; // namespace uirenderer
		}; // namespace android

		#endif // ANDROID_HWUI_QUERY_H