diff options
6 files changed, 56 insertions, 25 deletions
diff --git a/Source/WebCore/platform/graphics/android/GLWebViewState.cpp b/Source/WebCore/platform/graphics/android/GLWebViewState.cpp index 86f33e0..a29ab82 100644 --- a/Source/WebCore/platform/graphics/android/GLWebViewState.cpp +++ b/Source/WebCore/platform/graphics/android/GLWebViewState.cpp @@ -353,19 +353,16 @@ double GLWebViewState::setupDrawing(const IntRect& viewRect, const SkRect& visib int height = viewRect.height(); TilesManager* tilesManager = TilesManager::instance(); - // Make sure the GL Context has not changed, otherwise, re-create all GL - // resources. Only check this after onTrimMemory happens. - bool contextChanged = tilesManager->contextChanged(); - tilesManager->setContextChanged(false); - // Make sure GL resources are created on the UI thread. + // They are created either for the first time, or after EGL context + // recreation caused by onTrimMemory in the framework. ShaderProgram* shader = tilesManager->shader(); - if (shader->needsInit() || contextChanged) { + if (shader->needsInit()) { XLOGC("Reinit shader"); - shader->init(); + shader->initGLResources(); } TransferQueue* transferQueue = tilesManager->transferQueue(); - if (transferQueue->needsInit() || contextChanged) { + if (transferQueue->needsInit()) { XLOGC("Reinit transferQueue"); transferQueue->initGLResources(TilesManager::tileWidth(), TilesManager::tileHeight()); diff --git a/Source/WebCore/platform/graphics/android/ShaderProgram.cpp b/Source/WebCore/platform/graphics/android/ShaderProgram.cpp index 4925bd6..ba728ad 100644 --- a/Source/WebCore/platform/graphics/android/ShaderProgram.cpp +++ b/Source/WebCore/platform/graphics/android/ShaderProgram.cpp @@ -221,6 +221,9 @@ GLint ShaderProgram::createProgram(const char* pVertexSource, const char* pFragm program = -1; } } + + ShaderResource newResource(program, vertexShader, pixelShader); + m_resources.append(newResource); return program; } @@ -233,12 +236,30 @@ ShaderProgram::ShaderProgram() { } -void ShaderProgram::init() +void ShaderProgram::cleanupGLResources() +{ + for (unsigned int i = 0; i < m_resources.size(); i++) { + glDetachShader(m_resources[i].program, m_resources[i].vertexShader); + glDetachShader(m_resources[i].program, m_resources[i].fragmentShader); + glDeleteShader(m_resources[i].vertexShader); + glDeleteShader(m_resources[i].fragmentShader); + glDeleteProgram(m_resources[i].program); + } + glDeleteBuffers(1, m_textureBuffer); + + m_resources.clear(); + m_needsInit = true; + GLUtils::checkGlError("cleanupGLResources"); + + return; +} + +void ShaderProgram::initGLResources() { // To detect whether or not resources for ShaderProgram allocated // successfully, we clean up pre-existing errors here and will check for // new errors at the end of this function. - GLUtils::checkGlError("before init"); + GLUtils::checkGlError("before initGLResources"); GLint tex2DProgram = createProgram(gVertexShader, gFragmentShader); GLint pureColorProgram = createProgram(gPureColorVertexShader, gPureColorFragmentShader); @@ -324,11 +345,7 @@ void ShaderProgram::init() matrix.translate3d(-0.5, -0.5, 0); GLUtils::toGLMatrix(m_transferProjMtx, matrix); - if (GLUtils::checkGlError("init")) - m_needsInit = true; - else - m_needsInit = false; - + m_needsInit = GLUtils::checkGlError("initGLResources"); return; } diff --git a/Source/WebCore/platform/graphics/android/ShaderProgram.h b/Source/WebCore/platform/graphics/android/ShaderProgram.h index e528e60..5a0c52b 100644 --- a/Source/WebCore/platform/graphics/android/ShaderProgram.h +++ b/Source/WebCore/platform/graphics/android/ShaderProgram.h @@ -80,11 +80,31 @@ struct ShaderHandles { GLint videoMtxHandle; }; +struct ShaderResource { + ShaderResource() + : program(-1) + , vertexShader(-1) + , fragmentShader(-1) + { + }; + + ShaderResource(GLuint prog, GLuint vertex, GLuint fragment) + : program(prog) + , vertexShader(vertex) + , fragmentShader(fragment) + { + }; + + GLuint program; + GLuint vertexShader; + GLuint fragmentShader; +}; + class ShaderProgram { public: ShaderProgram(); - void init(); - + void initGLResources(); + void cleanupGLResources(); // Drawing void setupDrawing(const IntRect& viewRect, const SkRect& visibleRect, const IntRect& webViewRect, int titleBarHeight, @@ -124,7 +144,8 @@ public: FloatRect documentViewport() { return m_documentViewport; } float contrast() { return m_contrast; } - void setContrast(float c) { + void setContrast(float c) + { float contrast = c; if (contrast < 0) contrast = 0; @@ -204,6 +225,8 @@ private: // For transfer queue blitting, we need a special matrix map from (0,1) to // (-1,1) GLfloat m_transferProjMtx[16]; + + Vector<ShaderResource> m_resources; }; } // namespace WebCore diff --git a/Source/WebCore/platform/graphics/android/TilesManager.cpp b/Source/WebCore/platform/graphics/android/TilesManager.cpp index 6640230..184d80c 100644 --- a/Source/WebCore/platform/graphics/android/TilesManager.cpp +++ b/Source/WebCore/platform/graphics/android/TilesManager.cpp @@ -110,7 +110,6 @@ TilesManager::TilesManager() , m_drawGLCount(1) , m_lastTimeLayersUsed(0) , m_hasLayerTextures(false) - , m_EGLContextChanged(true) { XLOG("TilesManager ctor"); m_textures.reserveCapacity(MAX_TEXTURE_ALLOCATION); diff --git a/Source/WebCore/platform/graphics/android/TilesManager.h b/Source/WebCore/platform/graphics/android/TilesManager.h index 749ba98..b670055 100644 --- a/Source/WebCore/platform/graphics/android/TilesManager.h +++ b/Source/WebCore/platform/graphics/android/TilesManager.h @@ -110,9 +110,6 @@ public: void setHighEndGfx(bool highEnd); bool highEndGfx(); - bool contextChanged() { return m_EGLContextChanged; } - void setContextChanged(bool changed) { m_EGLContextChanged = changed; } - int maxTextureCount(); int maxLayerTextureCount(); void setMaxTextureCount(int max); @@ -266,8 +263,6 @@ private: unsigned long long m_drawGLCount; double m_lastTimeLayersUsed; bool m_hasLayerTextures; - - bool m_EGLContextChanged; }; } // namespace WebCore diff --git a/Source/WebKit/android/nav/WebView.cpp b/Source/WebKit/android/nav/WebView.cpp index 624a696..a3f4233 100644 --- a/Source/WebKit/android/nav/WebView.cpp +++ b/Source/WebKit/android/nav/WebView.cpp @@ -1430,7 +1430,7 @@ static void nativeOnTrimMemory(JNIEnv *env, jobject obj, jint level) if (level >= TRIM_MEMORY_MODERATE && !TilesManager::instance()->highEndGfx()) { TilesManager::instance()->transferQueue()->emptyQueue(); - TilesManager::instance()->setContextChanged(true); + TilesManager::instance()->shader()->cleanupGLResources(); } bool freeAllTextures = (level > TRIM_MEMORY_UI_HIDDEN), glTextures = true; |