apatrick@chromium.org | 9616e58 | 2012-06-22 18:27:01 +0000 | [diff] [blame] | 1 | //
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| 2 | // Copyright (c) 2002-2010 The ANGLE Project Authors. All rights reserved.
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| 3 | // Use of this source code is governed by a BSD-style license that can be
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| 4 | // found in the LICENSE file.
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| 5 | //
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| 6 |
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| 7 | // Texture.h: Defines the abstract gl::Texture class and its concrete derived
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| 8 | // classes Texture2D and TextureCubeMap. Implements GL texture objects and
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| 9 | // related functionality. [OpenGL ES 2.0.24] section 3.7 page 63.
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| 10 |
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| 11 | #ifndef LIBGLESV2_TEXTURE_H_
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| 12 | #define LIBGLESV2_TEXTURE_H_
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| 13 |
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| 14 | #include <vector>
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| 15 |
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| 16 | #define GL_APICALL
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| 17 | #include <GLES2/gl2.h>
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| 18 | #include <d3d9.h>
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| 19 |
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| 20 | #include "common/debug.h"
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| 21 | #include "common/RefCountObject.h"
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| 22 | #include "libGLESv2/Renderbuffer.h"
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| 23 | #include "libGLESv2/utilities.h"
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| 24 |
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| 25 | namespace egl
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| 26 | {
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| 27 | class Surface;
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| 28 | }
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| 29 |
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| 30 | namespace gl
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| 31 | {
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| 32 | class Blit;
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| 33 | class Framebuffer;
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| 34 |
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| 35 | enum
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| 36 | {
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| 37 | // These are the maximums the implementation can support
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| 38 | // The actual GL caps are limited by the device caps
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| 39 | // and should be queried from the Context
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| 40 | IMPLEMENTATION_MAX_TEXTURE_SIZE = 16384,
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| 41 | IMPLEMENTATION_MAX_CUBE_MAP_TEXTURE_SIZE = 16384,
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| 42 |
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| 43 | IMPLEMENTATION_MAX_TEXTURE_LEVELS = 15 // 1+log2 of MAX_TEXTURE_SIZE
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| 44 | };
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| 45 |
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| 46 | class Image
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| 47 | {
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| 48 | public:
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| 49 | Image();
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| 50 | ~Image();
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| 51 |
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| 52 | bool redefine(GLenum format, GLsizei width, GLsizei height, GLenum type, bool forceRelease);
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| 53 | void markDirty() {mDirty = true;}
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| 54 | void markClean() {mDirty = false;}
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| 55 |
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| 56 | bool isRenderableFormat() const;
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| 57 | D3DFORMAT getD3DFormat() const;
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| 58 |
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| 59 | GLsizei getWidth() const {return mWidth;}
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| 60 | GLsizei getHeight() const {return mHeight;}
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| 61 | GLenum getFormat() const {return mFormat;}
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| 62 | GLenum getType() const {return mType;}
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| 63 | bool isDirty() const {return mSurface && mDirty;}
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| 64 | IDirect3DSurface9 *getSurface();
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| 65 |
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| 66 | void setManagedSurface(IDirect3DSurface9 *surface);
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| 67 | void updateSurface(IDirect3DSurface9 *dest, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height);
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| 68 |
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| 69 | void loadData(GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum type,
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| 70 | GLint unpackAlignment, const void *input);
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| 71 |
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| 72 | void loadAlphaData(GLsizei width, GLsizei height,
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| 73 | int inputPitch, const void *input, size_t outputPitch, void *output) const;
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| 74 | void loadAlphaDataSSE2(GLsizei width, GLsizei height,
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| 75 | int inputPitch, const void *input, size_t outputPitch, void *output) const;
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| 76 | void loadAlphaFloatData(GLsizei width, GLsizei height,
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| 77 | int inputPitch, const void *input, size_t outputPitch, void *output) const;
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| 78 | void loadAlphaHalfFloatData(GLsizei width, GLsizei height,
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| 79 | int inputPitch, const void *input, size_t outputPitch, void *output) const;
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| 80 | void loadLuminanceData(GLsizei width, GLsizei height,
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| 81 | int inputPitch, const void *input, size_t outputPitch, void *output, bool native) const;
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| 82 | void loadLuminanceFloatData(GLsizei width, GLsizei height,
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| 83 | int inputPitch, const void *input, size_t outputPitch, void *output) const;
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| 84 | void loadLuminanceHalfFloatData(GLsizei width, GLsizei height,
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| 85 | int inputPitch, const void *input, size_t outputPitch, void *output) const;
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| 86 | void loadLuminanceAlphaData(GLsizei width, GLsizei height,
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| 87 | int inputPitch, const void *input, size_t outputPitch, void *output, bool native) const;
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| 88 | void loadLuminanceAlphaFloatData(GLsizei width, GLsizei height,
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| 89 | int inputPitch, const void *input, size_t outputPitch, void *output) const;
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| 90 | void loadLuminanceAlphaHalfFloatData(GLsizei width, GLsizei height,
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| 91 | int inputPitch, const void *input, size_t outputPitch, void *output) const;
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| 92 | void loadRGBUByteData(GLsizei width, GLsizei height,
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| 93 | int inputPitch, const void *input, size_t outputPitch, void *output) const;
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| 94 | void loadRGB565Data(GLsizei width, GLsizei height,
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| 95 | int inputPitch, const void *input, size_t outputPitch, void *output) const;
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| 96 | void loadRGBFloatData(GLsizei width, GLsizei height,
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| 97 | int inputPitch, const void *input, size_t outputPitch, void *output) const;
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| 98 | void loadRGBHalfFloatData(GLsizei width, GLsizei height,
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| 99 | int inputPitch, const void *input, size_t outputPitch, void *output) const;
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| 100 | void loadRGBAUByteDataSSE2(GLsizei width, GLsizei height,
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| 101 | int inputPitch, const void *input, size_t outputPitch, void *output) const;
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| 102 | void loadRGBAUByteData(GLsizei width, GLsizei height,
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| 103 | int inputPitch, const void *input, size_t outputPitch, void *output) const;
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| 104 | void loadRGBA4444Data(GLsizei width, GLsizei height,
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| 105 | int inputPitch, const void *input, size_t outputPitch, void *output) const;
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| 106 | void loadRGBA5551Data(GLsizei width, GLsizei height,
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| 107 | int inputPitch, const void *input, size_t outputPitch, void *output) const;
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| 108 | void loadRGBAFloatData(GLsizei width, GLsizei height,
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| 109 | int inputPitch, const void *input, size_t outputPitch, void *output) const;
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| 110 | void loadRGBAHalfFloatData(GLsizei width, GLsizei height,
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| 111 | int inputPitch, const void *input, size_t outputPitch, void *output) const;
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| 112 | void loadBGRAData(GLsizei width, GLsizei height,
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| 113 | int inputPitch, const void *input, size_t outputPitch, void *output) const;
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| 114 | void loadCompressedData(GLint xoffset, GLint yoffset, GLsizei width, GLsizei height,
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| 115 | const void *input);
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| 116 |
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| 117 | void copy(GLint xoffset, GLint yoffset, GLint x, GLint y, GLsizei width, GLsizei height, IDirect3DSurface9 *renderTarget);
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| 118 |
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| 119 | private:
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| 120 | DISALLOW_COPY_AND_ASSIGN(Image);
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| 121 |
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| 122 | void createSurface();
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| 123 |
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| 124 | HRESULT lock(D3DLOCKED_RECT *lockedRect, const RECT *rect);
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| 125 | void unlock();
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| 126 |
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| 127 | GLsizei mWidth;
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| 128 | GLsizei mHeight;
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| 129 | GLenum mFormat;
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| 130 | GLenum mType;
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| 131 |
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| 132 | bool mDirty;
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| 133 |
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| 134 | D3DPOOL mD3DPool; // can only be D3DPOOL_SYSTEMMEM or D3DPOOL_MANAGED since it needs to be lockable.
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| 135 | D3DFORMAT mD3DFormat;
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| 136 |
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| 137 | IDirect3DSurface9 *mSurface;
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| 138 | };
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| 139 |
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| 140 | class TextureStorage
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| 141 | {
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| 142 | public:
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| 143 | explicit TextureStorage(DWORD usage);
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| 144 |
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| 145 | virtual ~TextureStorage();
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| 146 |
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| 147 | bool isRenderTarget() const;
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| 148 | bool isManaged() const;
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| 149 | D3DPOOL getPool() const;
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| 150 | DWORD getUsage() const;
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| 151 | unsigned int getTextureSerial() const;
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| 152 | virtual unsigned int getRenderTargetSerial(GLenum target) const = 0;
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| 153 |
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| 154 | private:
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| 155 | DISALLOW_COPY_AND_ASSIGN(TextureStorage);
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| 156 |
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| 157 | const DWORD mD3DUsage;
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| 158 | const D3DPOOL mD3DPool;
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| 159 |
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| 160 | const unsigned int mTextureSerial;
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| 161 | static unsigned int issueTextureSerial();
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| 162 |
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| 163 | static unsigned int mCurrentTextureSerial;
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| 164 | };
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| 165 |
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| 166 | class Texture : public RefCountObject
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| 167 | {
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| 168 | public:
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| 169 | explicit Texture(GLuint id);
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| 170 |
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| 171 | virtual ~Texture();
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| 172 |
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| 173 | virtual void addProxyRef(const Renderbuffer *proxy) = 0;
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| 174 | virtual void releaseProxy(const Renderbuffer *proxy) = 0;
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| 175 |
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| 176 | virtual GLenum getTarget() const = 0;
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| 177 |
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| 178 | bool setMinFilter(GLenum filter);
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| 179 | bool setMagFilter(GLenum filter);
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| 180 | bool setWrapS(GLenum wrap);
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| 181 | bool setWrapT(GLenum wrap);
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| 182 | bool setUsage(GLenum usage);
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| 183 |
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| 184 | GLenum getMinFilter() const;
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| 185 | GLenum getMagFilter() const;
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| 186 | GLenum getWrapS() const;
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| 187 | GLenum getWrapT() const;
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| 188 | GLenum getUsage() const;
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| 189 |
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| 190 | virtual bool isSamplerComplete() const = 0;
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| 191 |
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| 192 | IDirect3DBaseTexture9 *getTexture();
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| 193 | virtual Renderbuffer *getRenderbuffer(GLenum target) = 0;
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| 194 |
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| 195 | virtual void generateMipmaps() = 0;
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| 196 | virtual void copySubImage(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint x, GLint y, GLsizei width, GLsizei height, Framebuffer *source) = 0;
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| 197 |
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| 198 | bool hasDirtyParameters() const;
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| 199 | bool hasDirtyImages() const;
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| 200 | void resetDirty();
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| 201 | unsigned int getTextureSerial();
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| 202 | unsigned int getRenderTargetSerial(GLenum target);
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| 203 |
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| 204 | bool isImmutable() const;
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| 205 |
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| 206 | static const GLuint INCOMPLETE_TEXTURE_ID = static_cast<GLuint>(-1); // Every texture takes an id at creation time. The value is arbitrary because it is never registered with the resource manager.
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| 207 |
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| 208 | protected:
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| 209 | void setImage(GLint unpackAlignment, const void *pixels, Image *image);
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| 210 | bool subImage(GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLenum type, GLint unpackAlignment, const void *pixels, Image *image);
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| 211 | void setCompressedImage(GLsizei imageSize, const void *pixels, Image *image);
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| 212 | bool subImageCompressed(GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLsizei imageSize, const void *pixels, Image *image);
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| 213 |
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| 214 | GLint creationLevels(GLsizei width, GLsizei height) const;
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| 215 | GLint creationLevels(GLsizei size) const;
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| 216 |
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| 217 | virtual IDirect3DBaseTexture9 *getBaseTexture() const = 0;
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| 218 | virtual void createTexture() = 0;
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| 219 | virtual void updateTexture() = 0;
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| 220 | virtual void convertToRenderTarget() = 0;
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| 221 | virtual IDirect3DSurface9 *getRenderTarget(GLenum target) = 0;
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| 222 |
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| 223 | int levelCount() const;
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| 224 |
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| 225 | static Blit *getBlitter();
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| 226 | static bool copyToRenderTarget(IDirect3DSurface9 *dest, IDirect3DSurface9 *source, bool fromManaged);
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| 227 |
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| 228 | GLenum mMinFilter;
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| 229 | GLenum mMagFilter;
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| 230 | GLenum mWrapS;
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| 231 | GLenum mWrapT;
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| 232 | bool mDirtyParameters;
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| 233 | GLenum mUsage;
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| 234 |
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| 235 | bool mDirtyImages;
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| 236 |
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| 237 | bool mImmutable;
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| 238 |
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| 239 | private:
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| 240 | DISALLOW_COPY_AND_ASSIGN(Texture);
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| 241 |
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| 242 | virtual TextureStorage *getStorage(bool renderTarget) = 0;
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| 243 | };
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| 244 |
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| 245 | class TextureStorage2D : public TextureStorage
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| 246 | {
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| 247 | public:
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| 248 | explicit TextureStorage2D(IDirect3DTexture9 *surfaceTexture);
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| 249 | TextureStorage2D(int levels, D3DFORMAT format, DWORD usage, int width, int height);
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| 250 |
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| 251 | virtual ~TextureStorage2D();
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| 252 |
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| 253 | IDirect3DSurface9 *getSurfaceLevel(int level);
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| 254 | IDirect3DBaseTexture9 *getBaseTexture() const;
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| 255 |
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| 256 | virtual unsigned int getRenderTargetSerial(GLenum target) const;
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| 257 |
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| 258 | private:
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| 259 | DISALLOW_COPY_AND_ASSIGN(TextureStorage2D);
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| 260 |
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| 261 | IDirect3DTexture9 *mTexture;
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| 262 | const unsigned int mRenderTargetSerial;
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| 263 | };
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| 264 |
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| 265 | class Texture2D : public Texture
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| 266 | {
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| 267 | public:
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| 268 | explicit Texture2D(GLuint id);
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| 269 |
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| 270 | ~Texture2D();
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| 271 |
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| 272 | void addProxyRef(const Renderbuffer *proxy);
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| 273 | void releaseProxy(const Renderbuffer *proxy);
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| 274 |
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| 275 | virtual GLenum getTarget() const;
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| 276 |
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| 277 | GLsizei getWidth(GLint level) const;
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| 278 | GLsizei getHeight(GLint level) const;
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| 279 | GLenum getInternalFormat(GLint level) const;
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| 280 | D3DFORMAT getD3DFormat(GLint level) const;
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| 281 | bool isCompressed(GLint level) const;
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| 282 | bool isDepth(GLint level) const;
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| 283 |
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| 284 | void setImage(GLint level, GLsizei width, GLsizei height, GLenum format, GLenum type, GLint unpackAlignment, const void *pixels);
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| 285 | void setCompressedImage(GLint level, GLenum format, GLsizei width, GLsizei height, GLsizei imageSize, const void *pixels);
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| 286 | void subImage(GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLenum type, GLint unpackAlignment, const void *pixels);
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| 287 | void subImageCompressed(GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLsizei imageSize, const void *pixels);
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| 288 | void copyImage(GLint level, GLenum format, GLint x, GLint y, GLsizei width, GLsizei height, Framebuffer *source);
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| 289 | virtual void copySubImage(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint x, GLint y, GLsizei width, GLsizei height, Framebuffer *source);
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| 290 | void storage(GLsizei levels, GLenum internalformat, GLsizei width, GLsizei height);
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| 291 |
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| 292 | virtual bool isSamplerComplete() const;
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| 293 | virtual void bindTexImage(egl::Surface *surface);
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| 294 | virtual void releaseTexImage();
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| 295 |
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| 296 | virtual void generateMipmaps();
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| 297 |
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| 298 | virtual Renderbuffer *getRenderbuffer(GLenum target);
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| 299 |
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| 300 | protected:
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| 301 | friend class RenderbufferTexture2D;
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| 302 | virtual IDirect3DSurface9 *getRenderTarget(GLenum target);
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| 303 | virtual IDirect3DSurface9 *getDepthStencil(GLenum target);
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| 304 |
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| 305 | private:
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| 306 | DISALLOW_COPY_AND_ASSIGN(Texture2D);
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| 307 |
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| 308 | virtual IDirect3DBaseTexture9 *getBaseTexture() const;
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| 309 | virtual void createTexture();
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| 310 | virtual void updateTexture();
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| 311 | virtual void convertToRenderTarget();
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| 312 | virtual TextureStorage *getStorage(bool renderTarget);
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| 313 |
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| 314 | bool isMipmapComplete() const;
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| 315 |
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| 316 | void redefineImage(GLint level, GLenum format, GLsizei width, GLsizei height, GLenum type);
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| 317 | void commitRect(GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height);
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| 318 |
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| 319 | Image mImageArray[IMPLEMENTATION_MAX_TEXTURE_LEVELS];
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| 320 |
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| 321 | TextureStorage2D *mTexStorage;
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| 322 | egl::Surface *mSurface;
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| 323 |
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| 324 | // A specific internal reference count is kept for colorbuffer proxy references,
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| 325 | // because, as the renderbuffer acting as proxy will maintain a binding pointer
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| 326 | // back to this texture, there would be a circular reference if we used a binding
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| 327 | // pointer here. This reference count will cause the pointer to be set to NULL if
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| 328 | // the count drops to zero, but will not cause deletion of the Renderbuffer.
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| 329 | Renderbuffer *mColorbufferProxy;
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| 330 | unsigned int mProxyRefs;
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| 331 | };
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| 332 |
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| 333 | class TextureStorageCubeMap : public TextureStorage
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| 334 | {
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| 335 | public:
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| 336 | TextureStorageCubeMap(int levels, D3DFORMAT format, DWORD usage, int size);
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| 337 |
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| 338 | virtual ~TextureStorageCubeMap();
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| 339 |
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| 340 | IDirect3DSurface9 *getCubeMapSurface(GLenum faceTarget, int level);
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| 341 | IDirect3DBaseTexture9 *getBaseTexture() const;
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| 342 |
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| 343 | virtual unsigned int getRenderTargetSerial(GLenum target) const;
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| 344 |
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| 345 | private:
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| 346 | DISALLOW_COPY_AND_ASSIGN(TextureStorageCubeMap);
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| 347 |
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| 348 | IDirect3DCubeTexture9 *mTexture;
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| 349 | const unsigned int mFirstRenderTargetSerial;
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| 350 | };
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| 351 |
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| 352 | class TextureCubeMap : public Texture
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| 353 | {
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| 354 | public:
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| 355 | explicit TextureCubeMap(GLuint id);
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| 356 |
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| 357 | ~TextureCubeMap();
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| 358 |
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| 359 | void addProxyRef(const Renderbuffer *proxy);
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| 360 | void releaseProxy(const Renderbuffer *proxy);
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| 361 |
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| 362 | virtual GLenum getTarget() const;
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| 363 |
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| 364 | GLsizei getWidth(GLenum target, GLint level) const;
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| 365 | GLsizei getHeight(GLenum target, GLint level) const;
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| 366 | GLenum getInternalFormat(GLenum target, GLint level) const;
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| 367 | D3DFORMAT getD3DFormat(GLenum target, GLint level) const;
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| 368 | bool isCompressed(GLenum target, GLint level) const;
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| 369 |
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| 370 | void setImagePosX(GLint level, GLsizei width, GLsizei height, GLenum format, GLenum type, GLint unpackAlignment, const void *pixels);
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| 371 | void setImageNegX(GLint level, GLsizei width, GLsizei height, GLenum format, GLenum type, GLint unpackAlignment, const void *pixels);
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| 372 | void setImagePosY(GLint level, GLsizei width, GLsizei height, GLenum format, GLenum type, GLint unpackAlignment, const void *pixels);
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| 373 | void setImageNegY(GLint level, GLsizei width, GLsizei height, GLenum format, GLenum type, GLint unpackAlignment, const void *pixels);
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| 374 | void setImagePosZ(GLint level, GLsizei width, GLsizei height, GLenum format, GLenum type, GLint unpackAlignment, const void *pixels);
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| 375 | void setImageNegZ(GLint level, GLsizei width, GLsizei height, GLenum format, GLenum type, GLint unpackAlignment, const void *pixels);
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| 376 |
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| 377 | void setCompressedImage(GLenum face, GLint level, GLenum format, GLsizei width, GLsizei height, GLsizei imageSize, const void *pixels);
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| 378 |
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| 379 | void subImage(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLenum type, GLint unpackAlignment, const void *pixels);
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| 380 | void subImageCompressed(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLsizei imageSize, const void *pixels);
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| 381 | void copyImage(GLenum target, GLint level, GLenum format, GLint x, GLint y, GLsizei width, GLsizei height, Framebuffer *source);
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| 382 | virtual void copySubImage(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint x, GLint y, GLsizei width, GLsizei height, Framebuffer *source);
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| 383 | void storage(GLsizei levels, GLenum internalformat, GLsizei size);
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| 384 |
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| 385 | virtual bool isSamplerComplete() const;
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| 386 |
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| 387 | virtual void generateMipmaps();
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| 388 |
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| 389 | virtual Renderbuffer *getRenderbuffer(GLenum target);
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| 390 |
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| 391 | static unsigned int faceIndex(GLenum face);
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| 392 |
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| 393 | protected:
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| 394 | friend class RenderbufferTextureCubeMap;
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| 395 | virtual IDirect3DSurface9 *getRenderTarget(GLenum target);
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| 396 |
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| 397 | private:
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| 398 | DISALLOW_COPY_AND_ASSIGN(TextureCubeMap);
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| 399 |
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| 400 | virtual IDirect3DBaseTexture9 *getBaseTexture() const;
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| 401 | virtual void createTexture();
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| 402 | virtual void updateTexture();
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| 403 | virtual void convertToRenderTarget();
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| 404 | virtual TextureStorage *getStorage(bool renderTarget);
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| 405 |
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| 406 | bool isCubeComplete() const;
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| 407 | bool isMipmapCubeComplete() const;
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| 408 |
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| 409 | void setImage(int faceIndex, GLint level, GLsizei width, GLsizei height, GLenum format, GLenum type, GLint unpackAlignment, const void *pixels);
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| 410 | void commitRect(int faceIndex, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height);
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| 411 | void redefineImage(int faceIndex, GLint level, GLenum format, GLsizei width, GLsizei height, GLenum type);
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| 412 |
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| 413 | Image mImageArray[6][IMPLEMENTATION_MAX_TEXTURE_LEVELS];
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| 414 |
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| 415 | TextureStorageCubeMap *mTexStorage;
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| 416 |
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| 417 | // A specific internal reference count is kept for colorbuffer proxy references,
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| 418 | // because, as the renderbuffer acting as proxy will maintain a binding pointer
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| 419 | // back to this texture, there would be a circular reference if we used a binding
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| 420 | // pointer here. This reference count will cause the pointer to be set to NULL if
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| 421 | // the count drops to zero, but will not cause deletion of the Renderbuffer.
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| 422 | Renderbuffer *mFaceProxies[6];
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| 423 | unsigned int *mFaceProxyRefs[6];
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| 424 | };
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| 425 | }
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| 426 |
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daniel@transgaming.com | afa8ef3 | 2011-11-11 04:10:13 +0000 | [diff] [blame] | 427 | #endif // LIBGLESV2_TEXTURE_H_ |