michael@0: //
michael@0: // Copyright (c) 2002-2012 The ANGLE Project Authors. All rights reserved.
michael@0: // Use of this source code is governed by a BSD-style license that can be
michael@0: // found in the LICENSE file.
michael@0: //
michael@0: 
michael@0: // Image.h: Defines the rx::Image class, an abstract base class for the 
michael@0: // renderer-specific classes which will define the interface to the underlying
michael@0: // surfaces or resources.
michael@0: 
michael@0: #ifndef LIBGLESV2_RENDERER_IMAGE_H_
michael@0: #define LIBGLESV2_RENDERER_IMAGE_H_
michael@0: 
michael@0: #include "common/debug.h"
michael@0: 
michael@0: namespace gl
michael@0: {
michael@0: class Framebuffer;
michael@0: }
michael@0: 
michael@0: namespace rx
michael@0: {
michael@0: class Renderer;
michael@0: class TextureStorageInterface2D;
michael@0: class TextureStorageInterfaceCube;
michael@0: 
michael@0: class Image
michael@0: {
michael@0:   public:
michael@0:     Image();
michael@0:     virtual ~Image() {};
michael@0: 
michael@0:     GLsizei getWidth() const { return mWidth; }
michael@0:     GLsizei getHeight() const { return mHeight; }
michael@0:     GLenum getInternalFormat() const { return mInternalFormat; }
michael@0:     GLenum getActualFormat() const { return mActualFormat; }
michael@0: 
michael@0:     void markDirty() {mDirty = true;}
michael@0:     void markClean() {mDirty = false;}
michael@0:     virtual bool isDirty() const = 0;
michael@0: 
michael@0:     virtual void setManagedSurface(TextureStorageInterface2D *storage, int level) {};
michael@0:     virtual void setManagedSurface(TextureStorageInterfaceCube *storage, int face, int level) {};
michael@0:     virtual bool updateSurface(TextureStorageInterface2D *storage, int level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height) = 0;
michael@0:     virtual bool updateSurface(TextureStorageInterfaceCube *storage, int face, int level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height) = 0;
michael@0: 
michael@0:     virtual bool redefine(Renderer *renderer, GLint internalformat, GLsizei width, GLsizei height, bool forceRelease) = 0;
michael@0: 
michael@0:     virtual bool isRenderableFormat() const = 0;
michael@0:     
michael@0:     virtual void loadData(GLint xoffset, GLint yoffset, GLsizei width, GLsizei height,
michael@0:                   GLint unpackAlignment, const void *input) = 0;
michael@0:     virtual void loadCompressedData(GLint xoffset, GLint yoffset, GLsizei width, GLsizei height,
michael@0:                                     const void *input) = 0;
michael@0: 
michael@0:     virtual void copy(GLint xoffset, GLint yoffset, GLint x, GLint y, GLsizei width, GLsizei height, gl::Framebuffer *source) = 0;
michael@0: 
michael@0:     static void loadAlphaDataToBGRA(GLsizei width, GLsizei height,
michael@0:                                     int inputPitch, const void *input, size_t outputPitch, void *output);
michael@0:     static void loadAlphaDataToNative(GLsizei width, GLsizei height,
michael@0:                                       int inputPitch, const void *input, size_t outputPitch, void *output);
michael@0:     static void loadAlphaDataToBGRASSE2(GLsizei width, GLsizei height,
michael@0:                                         int inputPitch, const void *input, size_t outputPitch, void *output);
michael@0:     static void loadAlphaFloatDataToRGBA(GLsizei width, GLsizei height,
michael@0:                                          int inputPitch, const void *input, size_t outputPitch, void *output);
michael@0:     static void loadAlphaHalfFloatDataToRGBA(GLsizei width, GLsizei height,
michael@0:                                              int inputPitch, const void *input, size_t outputPitch, void *output);
michael@0:     static void loadLuminanceDataToNativeOrBGRA(GLsizei width, GLsizei height,
michael@0:                                         int inputPitch, const void *input, size_t outputPitch, void *output, bool native);
michael@0:     static void loadLuminanceFloatDataToRGBA(GLsizei width, GLsizei height,
michael@0:                                              int inputPitch, const void *input, size_t outputPitch, void *output);
michael@0:     static void loadLuminanceFloatDataToRGB(GLsizei width, GLsizei height,
michael@0:                                             int inputPitch, const void *input, size_t outputPitch, void *output);
michael@0:     static void loadLuminanceHalfFloatDataToRGBA(GLsizei width, GLsizei height,
michael@0:                                                  int inputPitch, const void *input, size_t outputPitch, void *output);
michael@0:     static void loadLuminanceAlphaDataToNativeOrBGRA(GLsizei width, GLsizei height,
michael@0:                                              int inputPitch, const void *input, size_t outputPitch, void *output, bool native);
michael@0:     static void loadLuminanceAlphaFloatDataToRGBA(GLsizei width, GLsizei height,
michael@0:                                                   int inputPitch, const void *input, size_t outputPitch, void *output);
michael@0:     static void loadLuminanceAlphaHalfFloatDataToRGBA(GLsizei width, GLsizei height,
michael@0:                                                       int inputPitch, const void *input, size_t outputPitch, void *output);
michael@0:     static void loadRGBUByteDataToBGRX(GLsizei width, GLsizei height,
michael@0:                                        int inputPitch, const void *input, size_t outputPitch, void *output);
michael@0:     static void loadRGBUByteDataToRGBA(GLsizei width, GLsizei height,
michael@0:                                        int inputPitch, const void *input, size_t outputPitch, void *output);
michael@0:     static void loadRGB565DataToBGRA(GLsizei width, GLsizei height,
michael@0:                                      int inputPitch, const void *input, size_t outputPitch, void *output);
michael@0:     static void loadRGB565DataToRGBA(GLsizei width, GLsizei height,
michael@0:                                      int inputPitch, const void *input, size_t outputPitch, void *output);
michael@0:     static void loadRGBFloatDataToRGBA(GLsizei width, GLsizei height,
michael@0:                                        int inputPitch, const void *input, size_t outputPitch, void *output);
michael@0:     static void loadRGBFloatDataToNative(GLsizei width, GLsizei height,
michael@0:                                          int inputPitch, const void *input, size_t outputPitch, void *output);
michael@0:     static void loadRGBHalfFloatDataToRGBA(GLsizei width, GLsizei height,
michael@0:                                            int inputPitch, const void *input, size_t outputPitch, void *output);
michael@0:     static void loadRGBAUByteDataToBGRASSE2(GLsizei width, GLsizei height,
michael@0:                                             int inputPitch, const void *input, size_t outputPitch, void *output);
michael@0:     static void loadRGBAUByteDataToBGRA(GLsizei width, GLsizei height,
michael@0:                                         int inputPitch, const void *input, size_t outputPitch, void *output);
michael@0:     static void loadRGBAUByteDataToNative(GLsizei width, GLsizei height,
michael@0:                                           int inputPitch, const void *input, size_t outputPitch, void *output);
michael@0:     static void loadRGBA4444DataToBGRA(GLsizei width, GLsizei height,
michael@0:                                        int inputPitch, const void *input, size_t outputPitch, void *output);
michael@0:     static void loadRGBA4444DataToRGBA(GLsizei width, GLsizei height,
michael@0:                                        int inputPitch, const void *input, size_t outputPitch, void *output);
michael@0:     static void loadRGBA5551DataToBGRA(GLsizei width, GLsizei height,
michael@0:                                        int inputPitch, const void *input, size_t outputPitch, void *output);
michael@0:     static void loadRGBA5551DataToRGBA(GLsizei width, GLsizei height,
michael@0:                                        int inputPitch, const void *input, size_t outputPitch, void *output);
michael@0:     static void loadRGBAFloatDataToRGBA(GLsizei width, GLsizei height,
michael@0:                                         int inputPitch, const void *input, size_t outputPitch, void *output);
michael@0:     static void loadRGBAHalfFloatDataToRGBA(GLsizei width, GLsizei height,
michael@0:                                             int inputPitch, const void *input, size_t outputPitch, void *output);
michael@0:     static void loadBGRADataToBGRA(GLsizei width, GLsizei height,
michael@0:                                    int inputPitch, const void *input, size_t outputPitch, void *output);
michael@0: 
michael@0:   protected:
michael@0:     GLsizei mWidth;
michael@0:     GLsizei mHeight;
michael@0:     GLint mInternalFormat;
michael@0:     GLenum mActualFormat;
michael@0: 
michael@0:     bool mDirty;
michael@0: 
michael@0:   private:
michael@0:     DISALLOW_COPY_AND_ASSIGN(Image);
michael@0: };
michael@0: 
michael@0: }
michael@0: 
michael@0: #endif // LIBGLESV2_RENDERER_IMAGE_H_