GraphicsContext3DPrivate.h [plain text]
#ifndef GraphicsContext3DPrivate_h
#define GraphicsContext3DPrivate_h
#include "GraphicsContext3D.h"
#if USE(TEXTURE_MAPPER_GL)
#include <texmap/TextureMapperPlatformLayer.h>
#endif
#include "GLPlatformContext.h"
namespace WebCore {
class GraphicsContext3DPrivate
#if USE(TEXTURE_MAPPER_GL)
: public TextureMapperPlatformLayer
#endif
{
public:
static std::unique_ptr<GraphicsContext3DPrivate> create(GraphicsContext3D*, HostWindow*);
GraphicsContext3DPrivate(GraphicsContext3D*, HostWindow*);
~GraphicsContext3DPrivate();
PlatformGraphicsContext3D platformGraphicsContext3D() const;
void setContextLostCallback(std::unique_ptr<GraphicsContext3D::ContextLostCallback>);
#if USE(TEXTURE_MAPPER_GL)
virtual void paintToTextureMapper(TextureMapper*, const FloatRect&, const TransformationMatrix&, float) override;
#endif
#if USE(GRAPHICS_SURFACE)
virtual IntSize platformLayerSize() const override;
virtual uint32_t copyToGraphicsSurface() override;
virtual GraphicsSurfaceToken graphicsSurfaceToken() const override;
virtual GraphicsSurface::Flags graphicsSurfaceFlags() const override;
void didResizeCanvas(const IntSize&);
#endif
bool makeContextCurrent() const;
private:
#if USE(GRAPHICS_SURFACE)
enum PendingOperation {
Default = 0x00, CreateSurface = 0x01,
Resize = 0x02,
DeletePreviousSurface = 0x04
};
typedef unsigned PendingSurfaceOperation;
#endif
bool initialize();
void createGraphicsSurface();
bool prepareBuffer() const;
void releaseResources();
GraphicsContext3D* m_context;
HostWindow* m_hostWindow;
std::unique_ptr<GLPlatformContext> m_offScreenContext;
std::unique_ptr<GLPlatformSurface> m_offScreenSurface;
#if USE(GRAPHICS_SURFACE)
GraphicsSurfaceToken m_surfaceHandle;
RefPtr<GraphicsSurface> m_graphicsSurface;
RefPtr<GraphicsSurface> m_previousGraphicsSurface;
PendingSurfaceOperation m_surfaceOperation : 3;
#endif
std::unique_ptr<GraphicsContext3D::ContextLostCallback> m_contextLostCallback;
ListHashSet<GC3Denum> m_syntheticErrors;
IntSize m_size;
IntRect m_targetRect;
};
}
#endif