michael@0: /* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #ifndef TEXTUREIMAGEEGL_H_
michael@0: #define TEXTUREIMAGEEGL_H_
michael@0: 
michael@0: #include "GLTextureImage.h"
michael@0: 
michael@0: namespace mozilla {
michael@0: namespace gl {
michael@0: 
michael@0: class TextureImageEGL
michael@0:     : public TextureImage
michael@0: {
michael@0: public:
michael@0:     TextureImageEGL(GLuint aTexture,
michael@0:                     const nsIntSize& aSize,
michael@0:                     GLenum aWrapMode,
michael@0:                     ContentType aContentType,
michael@0:                     GLContext* aContext,
michael@0:                     Flags aFlags = TextureImage::NoFlags,
michael@0:                     TextureState aTextureState = Created,
michael@0:                     TextureImage::ImageFormat aImageFormat = gfxImageFormat::Unknown);
michael@0: 
michael@0:     virtual ~TextureImageEGL();
michael@0: 
michael@0:     virtual void GetUpdateRegion(nsIntRegion& aForRegion);
michael@0: 
michael@0:     virtual gfx::DrawTarget* BeginUpdate(nsIntRegion& aRegion);
michael@0: 
michael@0:     virtual void EndUpdate();
michael@0: 
michael@0:     virtual bool DirectUpdate(gfx::DataSourceSurface* aSurf, const nsIntRegion& aRegion, const gfx::IntPoint& aFrom = gfx::IntPoint(0,0));
michael@0: 
michael@0:     virtual void BindTexture(GLenum aTextureUnit);
michael@0: 
michael@0:     virtual GLuint GetTextureID()
michael@0:     {
michael@0:         // Ensure the texture is allocated before it is used.
michael@0:         if (mTextureState == Created) {
michael@0:             Resize(mSize);
michael@0:         }
michael@0:         return mTexture;
michael@0:     };
michael@0: 
michael@0:     virtual bool InUpdate() const { return !!mUpdateDrawTarget; }
michael@0: 
michael@0:     virtual void Resize(const gfx::IntSize& aSize);
michael@0: 
michael@0:     bool BindTexImage();
michael@0: 
michael@0:     bool ReleaseTexImage();
michael@0: 
michael@0:     virtual bool CreateEGLSurface(gfxASurface* aSurface)
michael@0:     {
michael@0:         return false;
michael@0:     }
michael@0: 
michael@0:     virtual void DestroyEGLSurface(void);
michael@0: 
michael@0: protected:
michael@0:     typedef gfxImageFormat ImageFormat;
michael@0: 
michael@0:     GLContext* mGLContext;
michael@0: 
michael@0:     nsIntRect mUpdateRect;
michael@0:     gfx::SurfaceFormat mUpdateFormat;
michael@0:     RefPtr<gfx::DrawTarget> mUpdateDrawTarget;
michael@0:     EGLImage mEGLImage;
michael@0:     GLuint mTexture;
michael@0:     EGLSurface mSurface;
michael@0:     EGLConfig mConfig;
michael@0:     TextureState mTextureState;
michael@0: 
michael@0:     bool mBound;
michael@0: };
michael@0: 
michael@0: already_AddRefed<TextureImage>
michael@0: CreateTextureImageEGL(GLContext *gl,
michael@0:                       const gfx::IntSize& aSize,
michael@0:                       TextureImage::ContentType aContentType,
michael@0:                       GLenum aWrapMode,
michael@0:                       TextureImage::Flags aFlags,
michael@0:                       TextureImage::ImageFormat aImageFormat);
michael@0: 
michael@0: already_AddRefed<TextureImage>
michael@0: TileGenFuncEGL(GLContext *gl,
michael@0:                const nsIntSize& aSize,
michael@0:                TextureImage::ContentType aContentType,
michael@0:                TextureImage::Flags aFlags,
michael@0:                TextureImage::ImageFormat aImageFormat);
michael@0: 
michael@0: }
michael@0: }
michael@0: 
michael@0: #endif // TEXTUREIMAGEEGL_H_