PreserveDrawingBuffer  529 Source/core/html/canvas/WebGLRenderingContextBase.cpp     DrawingBuffer::PreserveDrawingBuffer preserve = requestedAttributes->preserveDrawingBuffer() ? DrawingBuffer::Preserve : DrawingBuffer::Discard;
PreserveDrawingBuffer 5381 Source/core/html/canvas/WebGLRenderingContextBase.cpp         DrawingBuffer::PreserveDrawingBuffer preserve = m_requestedAttributes->preserveDrawingBuffer() ? DrawingBuffer::Preserve : DrawingBuffer::Discard;
PreserveDrawingBuffer   81 Source/platform/graphics/gpu/DrawingBuffer.cpp PassRefPtr<DrawingBuffer> DrawingBuffer::create(blink::WebGraphicsContext3D* context, const IntSize& size, PreserveDrawingBuffer preserve, PassRefPtr<ContextEvictionManager> contextEvictionManager)
PreserveDrawingBuffer  102 Source/platform/graphics/gpu/DrawingBuffer.cpp     PreserveDrawingBuffer preserve,
PreserveDrawingBuffer   82 Source/platform/graphics/gpu/DrawingBuffer.h     static PassRefPtr<DrawingBuffer> create(blink::WebGraphicsContext3D*, const IntSize&, PreserveDrawingBuffer, PassRefPtr<ContextEvictionManager>);
PreserveDrawingBuffer  148 Source/platform/graphics/gpu/DrawingBuffer.h                   bool packedDepthStencilExtensionSupported, PreserveDrawingBuffer, PassRefPtr<ContextEvictionManager>);
PreserveDrawingBuffer  196 Source/platform/graphics/gpu/DrawingBuffer.h     PreserveDrawingBuffer m_preserveDrawingBuffer;