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1 //
2 // Copyright (c) 2002-2012 The ANGLE Project Authors. All rights reserved.
3 // Use of this source code is governed by a BSD-style license that can be
4 // found in the LICENSE file.
5 //
6 
7 // Image9.h: Defines the rx::Image9 class, which acts as the interface to
8 // the actual underlying surfaces of a Texture.
9 
10 #ifndef LIBGLESV2_RENDERER_IMAGE9_H_
11 #define LIBGLESV2_RENDERER_IMAGE9_H_
12 
13 #include "libGLESv2/renderer/Image.h"
14 #include "common/debug.h"
15 
16 namespace gl
17 {
18 class Framebuffer;
19 }
20 
21 namespace rx
22 {
23 class Renderer;
24 class Renderer9;
25 class TextureStorageInterface2D;
26 class TextureStorageInterfaceCube;
27 
28 class Image9 : public Image
29 {
30   public:
31     Image9();
32     ~Image9();
33 
34     static Image9 *makeImage9(Image *img);
35 
36     static void generateMipmap(Image9 *dest, Image9 *source);
37     static void generateMip(IDirect3DSurface9 *destSurface, IDirect3DSurface9 *sourceSurface);
38     static void copyLockableSurfaces(IDirect3DSurface9 *dest, IDirect3DSurface9 *source);
39 
40     virtual bool redefine(Renderer *renderer, GLint internalformat, GLsizei width, GLsizei height, bool forceRelease);
41 
42     virtual bool isRenderableFormat() const;
43     D3DFORMAT getD3DFormat() const;
44 
isDirty()45     virtual bool isDirty() const {return mSurface && mDirty;}
46     IDirect3DSurface9 *getSurface();
47 
48     virtual void setManagedSurface(TextureStorageInterface2D *storage, int level);
49     virtual void setManagedSurface(TextureStorageInterfaceCube *storage, int face, int level);
50     virtual bool updateSurface(TextureStorageInterface2D *storage, int level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height);
51     virtual bool updateSurface(TextureStorageInterfaceCube *storage, int face, int level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height);
52 
53     virtual void loadData(GLint xoffset, GLint yoffset, GLsizei width, GLsizei height,
54                   GLint unpackAlignment, const void *input);
55     virtual void loadCompressedData(GLint xoffset, GLint yoffset, GLsizei width, GLsizei height,
56                                     const void *input);
57 
58     virtual void copy(GLint xoffset, GLint yoffset, GLint x, GLint y, GLsizei width, GLsizei height, gl::Framebuffer *source);
59 
60   private:
61     DISALLOW_COPY_AND_ASSIGN(Image9);
62 
63     void createSurface();
64     void setManagedSurface(IDirect3DSurface9 *surface);
65     bool updateSurface(IDirect3DSurface9 *dest, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height);
66 
67     HRESULT lock(D3DLOCKED_RECT *lockedRect, const RECT *rect);
68     void unlock();
69 
70     Renderer9 *mRenderer;
71 
72     D3DPOOL mD3DPool;   // can only be D3DPOOL_SYSTEMMEM or D3DPOOL_MANAGED since it needs to be lockable.
73     D3DFORMAT mD3DFormat;
74 
75     IDirect3DSurface9 *mSurface;
76 };
77 }
78 
79 #endif   // LIBGLESV2_RENDERER_IMAGE9_H_
80