gecko-dev/gfx/gl/SharedSurfaceIO.h

80 строки
2.2 KiB
C++

/* -*- Mode: c++; c-basic-offset: 4; indent-tabs-mode: nil; tab-width: 40; -*- */
/* 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 SHARED_SURFACEIO_H_
#define SHARED_SURFACEIO_H_
#include "gfxImageSurface.h"
#include "SharedSurfaceGL.h"
#include "mozilla/RefPtr.h"
class MacIOSurface;
namespace mozilla {
namespace gl {
class SharedSurface_IOSurface : public SharedSurface_GL
{
public:
static SharedSurface_IOSurface* Create(MacIOSurface* surface, GLContext *gl, bool hasAlpha);
~SharedSurface_IOSurface();
virtual void LockProdImpl() MOZ_OVERRIDE { }
virtual void UnlockProdImpl() MOZ_OVERRIDE { }
virtual void Fence() MOZ_OVERRIDE;
virtual bool WaitSync() MOZ_OVERRIDE { return true; }
virtual bool ReadPixels(GLint x, GLint y, GLsizei width, GLsizei height,
GLenum format, GLenum type, GLvoid *pixels) MOZ_OVERRIDE;
virtual GLuint ProdTexture() MOZ_OVERRIDE {
return mProdTex;
}
virtual GLenum ProdTextureTarget() const MOZ_OVERRIDE {
return LOCAL_GL_TEXTURE_RECTANGLE_ARB;
}
static SharedSurface_IOSurface* Cast(SharedSurface *surf) {
MOZ_ASSERT(surf->Type() == SharedSurfaceType::IOSurface);
return static_cast<SharedSurface_IOSurface*>(surf);
}
GLuint ConsTexture(GLContext* consGL);
GLenum ConsTextureTarget() const {
return LOCAL_GL_TEXTURE_RECTANGLE_ARB;
}
private:
SharedSurface_IOSurface(MacIOSurface* surface, GLContext* gl, const gfx::IntSize& size, bool hasAlpha);
RefPtr<MacIOSurface> mSurface;
nsRefPtr<gfxImageSurface> mImageSurface;
GLuint mProdTex;
const GLContext* mCurConsGL;
GLuint mConsTex;
};
class SurfaceFactory_IOSurface : public SurfaceFactory_GL
{
public:
SurfaceFactory_IOSurface(GLContext* gl,
const SurfaceCaps& caps)
: SurfaceFactory_GL(gl, SharedSurfaceType::IOSurface, caps)
{
}
protected:
virtual SharedSurface* CreateShared(const gfx::IntSize& size) MOZ_OVERRIDE;
};
} /* namespace gfx */
} /* namespace mozilla */
#endif /* SHARED_SURFACEIO_H_ */