#ifndef TextureMapper_h
#define TextureMapper_h
#if USE(ACCELERATED_COMPOSITING)
#if PLATFORM(QT)
#include <qglobal.h>
#if defined(QT_OPENGL_LIB) || (QT_VERSION >= QT_VERSION_CHECK(5, 0, 0))
#if defined(QT_OPENGL_ES_2) && !defined(TEXMAP_OPENGL_ES_2)
#define TEXMAP_OPENGL_ES_2
#endif
#endif
#endif
#include "FilterOperations.h"
#include "GraphicsContext.h"
#include "IntRect.h"
#include "IntSize.h"
#include "TextureMapperPlatformLayer.h"
#include "TransformationMatrix.h"
#include <wtf/UnusedParam.h>
namespace WebCore {
class TextureMapper;
class BitmapTexture : public RefCounted<BitmapTexture> {
public:
enum Flag {
SupportsAlpha = 0x01
};
typedef unsigned Flags;
BitmapTexture()
: m_flags(0)
{
}
virtual ~BitmapTexture() { }
virtual bool isBackedByOpenGL() const { return false; }
virtual IntSize size() const = 0;
virtual void updateContents(Image*, const IntRect&, const IntPoint& offset) = 0;
virtual void updateContents(const void*, const IntRect& target, const IntPoint& offset, int bytesPerLine) = 0;
virtual bool isValid() const = 0;
inline Flags flags() const { return m_flags; }
virtual int bpp() const { return 32; }
virtual bool canReuseWith(const IntSize& contentsSize, Flags flags = 0) { return false; }
void reset(const IntSize& size, Flags flags = 0)
{
m_flags = flags;
m_contentSize = size;
didReset();
}
virtual void didReset() { }
inline IntSize contentSize() const { return m_contentSize; }
inline int numberOfBytes() const { return size().width() * size().height() * bpp() >> 3; }
inline bool isOpaque() const { return !(m_flags & SupportsAlpha); }
#if ENABLE(CSS_FILTERS)
virtual PassRefPtr<BitmapTexture> applyFilters(const BitmapTexture& contentTexture, const FilterOperations&) { return this; }
#endif
protected:
IntSize m_contentSize;
private:
Flags m_flags;
};
class TextureMapper {
friend class BitmapTexture;
public:
enum AccelerationMode { SoftwareMode, OpenGLMode };
enum PaintFlag {
PaintingMirrored = 1 << 0,
};
typedef unsigned PaintFlags;
static PassOwnPtr<TextureMapper> create(AccelerationMode newMode = SoftwareMode);
virtual ~TextureMapper() { }
virtual void drawTexture(const BitmapTexture&, const FloatRect& target, const TransformationMatrix& modelViewMatrix = TransformationMatrix(), float opacity = 1.0f, const BitmapTexture* maskTexture = 0) = 0;
virtual void bindSurface(BitmapTexture* surface) = 0;
virtual void setGraphicsContext(GraphicsContext* context) { m_context = context; }
virtual GraphicsContext* graphicsContext() { return m_context; }
virtual void beginClip(const TransformationMatrix&, const FloatRect&) = 0;
virtual void endClip() = 0;
virtual PassRefPtr<BitmapTexture> createTexture() = 0;
void setImageInterpolationQuality(InterpolationQuality quality) { m_interpolationQuality = quality; }
void setTextDrawingMode(TextDrawingModeFlags mode) { m_textDrawingMode = mode; }
InterpolationQuality imageInterpolationQuality() const { return m_interpolationQuality; }
TextDrawingModeFlags textDrawingMode() const { return m_textDrawingMode; }
virtual AccelerationMode accelerationMode() const = 0;
virtual void beginPainting(PaintFlags flags = 0) { }
virtual void endPainting() { }
virtual IntSize maxTextureSize() const { return IntSize(INT_MAX, INT_MAX); }
virtual PassRefPtr<BitmapTexture> acquireTextureFromPool(const IntSize&);
protected:
TextureMapper()
: m_interpolationQuality(InterpolationDefault)
, m_textDrawingMode(TextModeFill)
{}
private:
#if USE(TEXTURE_MAPPER_GL)
static PassOwnPtr<TextureMapper> platformCreateAccelerated();
#else
static PassOwnPtr<TextureMapper> platformCreateAccelerated()
{
return PassOwnPtr<TextureMapper>();
}
#endif
InterpolationQuality m_interpolationQuality;
TextDrawingModeFlags m_textDrawingMode;
Vector<RefPtr<BitmapTexture> > m_texturePool;
GraphicsContext* m_context;
};
}
#endif
#endif