gecko-dev/gfx/gl/TextureImageEGL.h

99 lines
2.7 KiB
C++

/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* 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 TEXTUREIMAGEEGL_H_
#define TEXTUREIMAGEEGL_H_
#include "GLTextureImage.h"
namespace mozilla {
namespace gl {
class TextureImageEGL MOZ_FINAL
: public TextureImage
{
public:
TextureImageEGL(GLuint aTexture,
const nsIntSize& aSize,
GLenum aWrapMode,
ContentType aContentType,
GLContext* aContext,
Flags aFlags = TextureImage::NoFlags,
TextureState aTextureState = Created,
TextureImage::ImageFormat aImageFormat = gfxImageFormat::Unknown);
virtual ~TextureImageEGL();
virtual void GetUpdateRegion(nsIntRegion& aForRegion);
virtual gfx::DrawTarget* BeginUpdate(nsIntRegion& aRegion);
virtual void EndUpdate();
virtual bool DirectUpdate(gfx::DataSourceSurface* aSurf, const nsIntRegion& aRegion, const gfx::IntPoint& aFrom = gfx::IntPoint(0,0));
virtual void BindTexture(GLenum aTextureUnit);
virtual GLuint GetTextureID()
{
// Ensure the texture is allocated before it is used.
if (mTextureState == Created) {
Resize(mSize);
}
return mTexture;
};
virtual bool InUpdate() const { return !!mUpdateDrawTarget; }
virtual void Resize(const gfx::IntSize& aSize);
bool BindTexImage();
bool ReleaseTexImage();
virtual bool CreateEGLSurface(gfxASurface* aSurface)
{
return false;
}
virtual void DestroyEGLSurface(void);
protected:
typedef gfxImageFormat ImageFormat;
GLContext* mGLContext;
nsIntRect mUpdateRect;
gfx::SurfaceFormat mUpdateFormat;
RefPtr<gfx::DrawTarget> mUpdateDrawTarget;
EGLImage mEGLImage;
GLuint mTexture;
EGLSurface mSurface;
EGLConfig mConfig;
TextureState mTextureState;
bool mBound;
};
already_AddRefed<TextureImage>
CreateTextureImageEGL(GLContext *gl,
const gfx::IntSize& aSize,
TextureImage::ContentType aContentType,
GLenum aWrapMode,
TextureImage::Flags aFlags,
TextureImage::ImageFormat aImageFormat);
already_AddRefed<TextureImage>
TileGenFuncEGL(GLContext *gl,
const nsIntSize& aSize,
TextureImage::ContentType aContentType,
TextureImage::Flags aFlags,
TextureImage::ImageFormat aImageFormat);
}
}
#endif // TEXTUREIMAGEEGL_H_