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DrawTargetNVpr.h
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DrawTargetNVpr.h
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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef MOZILLA_GFX_DRAWTARGETNVPR_H_
#define MOZILLA_GFX_DRAWTARGETNVPR_H_
#include "2D.h"
#include "Filters.h"
#include "nvpr/GL.h"
#include <mozilla/RefPtr.h>
#include <mozilla/WeakPtr.h>
#include <deque>
#include <string>
#include <stack>
namespace mozilla {
namespace gfx {
class PathNVpr;
class SourceSurfaceNVpr;
class TextureObjectNVpr;
#ifdef WIN32
class DXTextureInteropNVpr;
#endif
namespace nvpr {
class ScissorClip;
class PlanesClip;
class StencilClip;
struct Paint;
}
class DrawTargetNVpr
: public DrawTarget
, public SupportsWeakPtr<DrawTargetNVpr>
{
class ScratchSurface;
friend class ScratchSurface;
public:
static TemporaryRef<DrawTargetNVpr> Create(const IntSize& aSize,
SurfaceFormat aFormat)
{
bool success;
RefPtr<DrawTargetNVpr> drawTarget = new DrawTargetNVpr(aSize, aFormat, success);
return success ? drawTarget.forget() : nullptr;
}
virtual ~DrawTargetNVpr();
virtual DrawTargetType GetType() const { return DrawTargetType::HARDWARE_RASTER; }
virtual BackendType GetBackendType() const { return BackendType::NVPR; }
virtual IntSize GetSize() { return mSize; }
virtual TemporaryRef<SourceSurface> Snapshot();
bool BlitToForeignTexture(void* aForeignContext, GLuint aForeignTextureId);
#ifdef WIN32
TemporaryRef<DXTextureInteropNVpr>
OpenDXTextureInterop(void* aDX, void* aDXTexture);
void BlitToDXTexture(DXTextureInteropNVpr* aDXTexture);
#endif
virtual void Flush();
virtual void DrawSurface(SourceSurface* aSurface,
const Rect& aDestRect,
const Rect& aSourceRect,
const DrawSurfaceOptions& aSurfOptions = DrawSurfaceOptions(),
const DrawOptions& aOptions = DrawOptions());
virtual void DrawFilter(FilterNode *aNode,
const Rect &aSourceRect,
const Point &aDestPoint,
const DrawOptions &aOptions = DrawOptions()) { /* Implement me! */ MOZ_ASSERT(0); }
virtual void DrawSurfaceWithShadow(SourceSurface* aSurface,
const Point& aDest,
const Color& aColor,
const Point& aOffset,
Float aSigma,
CompositionOp aOperator);
virtual void ClearRect(const Rect& aRect);
virtual void CopySurface(SourceSurface* aSurface,
const IntRect& aSourceRect,
const IntPoint& aDestination);
virtual void FillRect(const Rect& aRect,
const Pattern& aPattern,
const DrawOptions& aOptions = DrawOptions());
virtual void StrokeRect(const Rect& aRect,
const Pattern& aPattern,
const StrokeOptions& aStrokeOptions = StrokeOptions(),
const DrawOptions& aOptions = DrawOptions());
virtual void StrokeLine(const Point& aStart,
const Point& aEnd,
const Pattern& aPattern,
const StrokeOptions& aStrokeOptions = StrokeOptions(),
const DrawOptions& aOptions = DrawOptions());
virtual void Stroke(const Path* aPath,
const Pattern& aPattern,
const StrokeOptions& aStrokeOptions = StrokeOptions(),
const DrawOptions& aOptions = DrawOptions());
virtual void Fill(const Path* aPath,
const Pattern& aPattern,
const DrawOptions& aOptions = DrawOptions());
virtual void FillGlyphs(ScaledFont* aFont,
const GlyphBuffer& aBuffer,
const Pattern& aPattern,
const DrawOptions& aOptions = DrawOptions(),
const GlyphRenderingOptions* aRenderingOptions = nullptr);
virtual void Mask(const Pattern& aSource,
const Pattern& aMask,
const DrawOptions& aOptions = DrawOptions());
virtual void MaskSurface(const Pattern& aSource,
SourceSurface* aMask,
Point aOffset,
const DrawOptions& aOptions = DrawOptions());
virtual void PushClip(const Path* aPath);
virtual void PushClipRect(const Rect& aRect);
virtual void PopClip();
virtual TemporaryRef<SourceSurface>
CreateSourceSurfaceFromData(unsigned char* aData, const IntSize& aSize,
int32_t aStride, SurfaceFormat aFormat) const;
virtual TemporaryRef<SourceSurface>
OptimizeSourceSurface(SourceSurface* aSurface) const;
virtual TemporaryRef<SourceSurface>
CreateSourceSurfaceFromNativeSurface(const NativeSurface& aSurface) const;
virtual TemporaryRef<DrawTarget>
CreateSimilarDrawTarget(const IntSize& aSize, SurfaceFormat aFormat) const;
virtual TemporaryRef<PathBuilder>
CreatePathBuilder(FillRule aFillRule = FillRule::FILL_WINDING) const;
virtual TemporaryRef<GradientStops>
CreateGradientStops(GradientStop* aStops, uint32_t aNumStops,
ExtendMode aExtendMode = ExtendMode::CLAMP) const;
virtual TemporaryRef<FilterNode> CreateFilter(FilterType aType) { /* Implement me! */ MOZ_ASSERT(0); return nullptr; }
virtual void* GetNativeSurface(NativeSurfaceType aType);
virtual void SetTransform(const Matrix& aTransform);
GLubyte ReserveStencilClipBit();
void ReleaseStencilClipBits(GLubyte aBits);
private:
DrawTargetNVpr(const IntSize& aSize, SurfaceFormat aFormat, bool& aSuccess);
TemporaryRef<ScratchSurface> GetScratchSurface();
void OnScratchSurfaceDeleted(TemporaryRef<TextureObjectNVpr> aBackingTexture);
enum ValidationFlag {
FRAMEBUFFER = 1 << 0,
CLIPPING = 1 << 1,
TRANSFORM = 1 << 2,
COLOR_WRITE_MASK = 1 << 3
};
typedef unsigned ValidationFlags;
void Validate(ValidationFlags aFlags = ~0);
void ApplyPaint(const nvpr::Paint& aPaint);
void ApplyDrawOptions(CompositionOp aCompositionOp,
AntialiasMode aAntialiasMode);
void MarkChanged();
const IntSize mSize;
const SurfaceFormat mFormat;
bool mHasAlpha;
GLuint mColorBuffer;
GLuint mStencilBuffer;
GLuint mFramebuffer;
size_t mScratchTextureCount;
std::deque<RefPtr<TextureObjectNVpr> > mScratchTexturePool;
RefPtr<SourceSurfaceNVpr> mSnapshot;
RefPtr<PathNVpr> mUnitSquarePath;
enum ClipType { SCISSOR_CLIP_TYPE, PLANES_CLIP_TYPE, STENCIL_CLIP_TYPE };
std::stack<ClipType> mClipTypeStack;
RefPtr<nvpr::ScissorClip> mTopScissorClip;
RefPtr<nvpr::PlanesClip> mTopPlanesClip;
RefPtr<nvpr::StencilClip> mTopStencilClip;
nvpr::StencilClip* mPoppedStencilClips;
nvpr::UniqueId mTransformId;
GLubyte mStencilClipBits;
};
}
}
#endif /* MOZILLA_GFX_DRAWTARGETNVPR_H_ */