#if ENABLE(GRAPHICS_CONTEXT_3D)
#include "GraphicsContext3D.h"
#include <wtf/StdLibExtras.h>
#include <wtf/UniqueArray.h>
namespace WebCore {
class FormatConverter {
public:
FormatConverter(unsigned width, unsigned height, const void* srcStart, void* dstStart, int srcStride, int dstStride)
: m_width(width)
, m_height(height)
, m_srcStart(srcStart)
, m_dstStart(dstStart)
, m_srcStride(srcStride)
, m_dstStride(dstStride)
, m_success(false)
{
const unsigned MaxNumberOfComponents = 4;
const unsigned MaxBytesPerComponent = 4;
m_unpackedIntermediateSrcData = makeUniqueArray<uint8_t>((Checked<size_t>(m_width) * MaxNumberOfComponents * MaxBytesPerComponent).unsafeGet());
ASSERT(m_unpackedIntermediateSrcData.get());
}
void convert(GraphicsContext3D::DataFormat srcFormat, GraphicsContext3D::DataFormat dstFormat, GraphicsContext3D::AlphaOp);
bool success() const { return m_success; }
private:
template<GraphicsContext3D::DataFormat SrcFormat>
ALWAYS_INLINE void convert(GraphicsContext3D::DataFormat dstFormat, GraphicsContext3D::AlphaOp);
template<GraphicsContext3D::DataFormat SrcFormat, GraphicsContext3D::DataFormat DstFormat>
ALWAYS_INLINE void convert(GraphicsContext3D::AlphaOp);
template<GraphicsContext3D::DataFormat SrcFormat, GraphicsContext3D::DataFormat DstFormat, GraphicsContext3D::AlphaOp alphaOp>
ALWAYS_INLINE void convert();
const unsigned m_width, m_height;
const void* const m_srcStart;
void* const m_dstStart;
const int m_srcStride, m_dstStride;
bool m_success;
UniqueArray<uint8_t> m_unpackedIntermediateSrcData;
};
}
#endif // ENABLE(GRAPHICS_CONTEXT_3D)