diff options
| -rw-r--r-- | WebCore/platform/graphics/android/DoubleBufferedTexture.cpp | 12 |
1 files changed, 5 insertions, 7 deletions
diff --git a/WebCore/platform/graphics/android/DoubleBufferedTexture.cpp b/WebCore/platform/graphics/android/DoubleBufferedTexture.cpp index bce230f..35e2821 100644 --- a/WebCore/platform/graphics/android/DoubleBufferedTexture.cpp +++ b/WebCore/platform/graphics/android/DoubleBufferedTexture.cpp @@ -39,19 +39,20 @@ DoubleBufferedTexture::DoubleBufferedTexture(EGLContext sharedContext) m_display = eglGetCurrentDisplay(); m_pContext = EGL_NO_CONTEXT; m_cContext = sharedContext; - m_writeableTexture = GL_NO_TEXTURE; + m_writeableTexture = &m_textureA; m_lockedConsumerTexture = GL_NO_TEXTURE; m_supportsEGLImage = GLUtils::isEGLImageSupported(); } SharedTexture* DoubleBufferedTexture::getWriteableTexture() { - return (m_writeableTexture == &m_textureA) ? &m_textureA : &m_textureB; + return reinterpret_cast<SharedTexture*>( + android_atomic_release_load((int32_t*)&m_writeableTexture)); } SharedTexture* DoubleBufferedTexture::getReadableTexture() { - return (m_writeableTexture != &m_textureA) ? &m_textureA : &m_textureB; + return (getWriteableTexture() != &m_textureA) ? &m_textureA : &m_textureB; } EGLContext DoubleBufferedTexture::producerAcquireContext() @@ -86,9 +87,6 @@ EGLContext DoubleBufferedTexture::producerAcquireContext() m_textureA.unlock(); m_textureB.unlock(); - // select a front buffer - m_writeableTexture = &m_textureA; - m_pContext = context; return context; } @@ -109,6 +107,7 @@ void DoubleBufferedTexture::producerRelease() SharedTexture* sharedTex = getWriteableTexture(); LOGV("Releasing P Lock (%d)", sharedTex->getSourceTextureId()); sharedTex->releaseSource(); + LOGV("Released P Lock (%d)", sharedTex->getSourceTextureId()); } void DoubleBufferedTexture::producerReleaseAndSwap() @@ -117,7 +116,6 @@ void DoubleBufferedTexture::producerReleaseAndSwap() // swap the front and back buffers using an atomic op for the memory barrier android_atomic_acquire_store((int32_t)getReadableTexture(), (int32_t*)&m_writeableTexture); - LOGV("Released P Lock (%d)", m_writeableTexture->getSourceTextureId()); } TextureInfo* DoubleBufferedTexture::consumerLock() |