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comparison: gfx/angle/src/libGLESv2/renderer/TextureStorage.h
gfx/angle/src/libGLESv2/renderer/TextureStorage.h
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- TOR_BUG_3246
- changeset 7
- 129ffea94266
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| -1:000000000000 | 0:173744b8896d |
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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 // TextureStorage.h: Defines the abstract rx::TextureStorageInterface class and its concrete derived | |
| 8 // classes TextureStorageInterface2D and TextureStorageInterfaceCube, which act as the interface to the | |
| 9 // GPU-side texture. | |
| 10 | |
| 11 #ifndef LIBGLESV2_RENDERER_TEXTURESTORAGE_H_ | |
| 12 #define LIBGLESV2_RENDERER_TEXTURESTORAGE_H_ | |
| 13 | |
| 14 #include "common/debug.h" | |
| 15 | |
| 16 namespace rx | |
| 17 { | |
| 18 class Renderer; | |
| 19 class SwapChain; | |
| 20 class RenderTarget; | |
| 21 class Blit; | |
| 22 | |
| 23 class TextureStorage | |
| 24 { | |
| 25 public: | |
| 26 TextureStorage() {}; | |
| 27 virtual ~TextureStorage() {}; | |
| 28 | |
| 29 virtual int getLodOffset() const = 0; | |
| 30 virtual bool isRenderTarget() const = 0; | |
| 31 virtual bool isManaged() const = 0; | |
| 32 virtual int levelCount() = 0; | |
| 33 | |
| 34 virtual RenderTarget *getRenderTarget() = 0; | |
| 35 virtual RenderTarget *getRenderTarget(GLenum faceTarget) = 0; | |
| 36 virtual void generateMipmap(int level) = 0; | |
| 37 virtual void generateMipmap(int face, int level) = 0; | |
| 38 | |
| 39 private: | |
| 40 DISALLOW_COPY_AND_ASSIGN(TextureStorage); | |
| 41 | |
| 42 }; | |
| 43 | |
| 44 class TextureStorageInterface | |
| 45 { | |
| 46 public: | |
| 47 TextureStorageInterface(); | |
| 48 virtual ~TextureStorageInterface(); | |
| 49 | |
| 50 TextureStorage *getStorageInstance() { return mInstance; } | |
| 51 | |
| 52 unsigned int getTextureSerial() const; | |
| 53 virtual unsigned int getRenderTargetSerial(GLenum target) const = 0; | |
| 54 | |
| 55 virtual int getLodOffset() const; | |
| 56 virtual bool isRenderTarget() const; | |
| 57 virtual bool isManaged() const; | |
| 58 virtual int levelCount(); | |
| 59 | |
| 60 protected: | |
| 61 TextureStorage *mInstance; | |
| 62 | |
| 63 private: | |
| 64 DISALLOW_COPY_AND_ASSIGN(TextureStorageInterface); | |
| 65 | |
| 66 const unsigned int mTextureSerial; | |
| 67 static unsigned int issueTextureSerial(); | |
| 68 | |
| 69 static unsigned int mCurrentTextureSerial; | |
| 70 }; | |
| 71 | |
| 72 class TextureStorageInterface2D : public TextureStorageInterface | |
| 73 { | |
| 74 public: | |
| 75 TextureStorageInterface2D(Renderer *renderer, SwapChain *swapchain); | |
| 76 TextureStorageInterface2D(Renderer *renderer, int levels, GLenum internalformat, GLenum usage, bool forceRenderable, GLsizei width, GLsizei height); | |
| 77 virtual ~TextureStorageInterface2D(); | |
| 78 | |
| 79 void generateMipmap(int level); | |
| 80 RenderTarget *getRenderTarget() const; | |
| 81 | |
| 82 virtual unsigned int getRenderTargetSerial(GLenum target) const; | |
| 83 | |
| 84 private: | |
| 85 DISALLOW_COPY_AND_ASSIGN(TextureStorageInterface2D); | |
| 86 | |
| 87 const unsigned int mRenderTargetSerial; | |
| 88 }; | |
| 89 | |
| 90 class TextureStorageInterfaceCube : public TextureStorageInterface | |
| 91 { | |
| 92 public: | |
| 93 TextureStorageInterfaceCube(Renderer *renderer, int levels, GLenum internalformat, GLenum usage, bool forceRenderable, int size); | |
| 94 virtual ~TextureStorageInterfaceCube(); | |
| 95 | |
| 96 void generateMipmap(int face, int level); | |
| 97 RenderTarget *getRenderTarget(GLenum faceTarget) const; | |
| 98 | |
| 99 virtual unsigned int getRenderTargetSerial(GLenum target) const; | |
| 100 | |
| 101 private: | |
| 102 DISALLOW_COPY_AND_ASSIGN(TextureStorageInterfaceCube); | |
| 103 | |
| 104 const unsigned int mFirstRenderTargetSerial; | |
| 105 }; | |
| 106 | |
| 107 } | |
| 108 | |
| 109 #endif // LIBGLESV2_RENDERER_TEXTURESTORAGE_H_ | |
| 110 |
