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| 1 /* | 1 /* |
| 2 * Copyright (C) 2009 Apple Inc. All rights reserved. | 2 * Copyright (C) 2009 Apple Inc. All rights reserved. |
| 3 * | 3 * |
| 4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
| 5 * modification, are permitted provided that the following conditions | 5 * modification, are permitted provided that the following conditions |
| 6 * are met: | 6 * are met: |
| 7 * 1. Redistributions of source code must retain the above copyright | 7 * 1. Redistributions of source code must retain the above copyright |
| 8 * notice, this list of conditions and the following disclaimer. | 8 * notice, this list of conditions and the following disclaimer. |
| 9 * 2. Redistributions in binary form must reproduce the above copyright | 9 * 2. Redistributions in binary form must reproduce the above copyright |
| 10 * notice, this list of conditions and the following disclaimer in the | 10 * notice, this list of conditions and the following disclaimer in the |
| (...skipping 42 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 53 static WebGLTexture* create(WebGLRenderingContextBase*); | 53 static WebGLTexture* create(WebGLRenderingContextBase*); |
| 54 | 54 |
| 55 void setTarget(GLenum target, GLint maxLevel); | 55 void setTarget(GLenum target, GLint maxLevel); |
| 56 void setParameteri(GLenum pname, GLint param); | 56 void setParameteri(GLenum pname, GLint param); |
| 57 void setParameterf(GLenum pname, GLfloat param); | 57 void setParameterf(GLenum pname, GLfloat param); |
| 58 | 58 |
| 59 GLenum getTarget() const { return m_target; } | 59 GLenum getTarget() const { return m_target; } |
| 60 | 60 |
| 61 int getMinFilter() const { return m_samplerState.minFilter; } | 61 int getMinFilter() const { return m_samplerState.minFilter; } |
| 62 | 62 |
| 63 void setLevelInfo(GLenum target, GLint level, GLenum internalFormat, GLsizei
width, GLsizei height, GLsizei depth, GLenum type); | |
| 64 void setTexStorageInfo(GLenum target, GLint levels, GLenum internalFormat, G
Lsizei width, GLsizei height, GLsizei depth); | |
| 65 | |
| 66 bool canGenerateMipmaps(); | |
| 67 // Generate all level information. | |
| 68 void generateMipmapLevelInfo(); | |
| 69 | |
| 70 GLenum getInternalFormat(GLenum target, GLint level) const; | |
| 71 GLenum getType(GLenum target, GLint level) const; | |
| 72 GLsizei getWidth(GLenum target, GLint level) const; | |
| 73 GLsizei getHeight(GLenum target, GLint level) const; | |
| 74 GLsizei getDepth(GLenum target, GLint level) const; | |
| 75 bool isValid(GLenum target, GLint level) const; | |
| 76 bool isImmutable() const { return m_immutable; } | |
| 77 | |
| 78 static GLenum getValidFormatForInternalFormat(GLenum); | 63 static GLenum getValidFormatForInternalFormat(GLenum); |
| 79 | 64 |
| 80 bool isCubeComplete() const { return m_isCubeComplete; } | |
| 81 | |
| 82 // Whether width/height is NotPowerOfTwo. | 65 // Whether width/height is NotPowerOfTwo. |
| 83 static bool isNPOT(GLsizei, GLsizei); | 66 static bool isNPOT(GLsizei, GLsizei); |
| 84 | 67 |
| 85 bool isNPOT() const; | |
| 86 | |
| 87 bool hasEverBeenBound() const { return object() && m_target; } | 68 bool hasEverBeenBound() const { return object() && m_target; } |
| 88 | 69 |
| 89 static GLint computeLevelCount(GLsizei width, GLsizei height, GLsizei depth)
; | 70 static GLint computeLevelCount(GLsizei width, GLsizei height, GLsizei depth)
; |
| 90 static GLenum getValidTypeForInternalFormat(GLenum); | 71 static GLenum getValidTypeForInternalFormat(GLenum); |
| 91 | 72 |
| 92 const WebGLSamplerState* getSamplerState() const { return &m_samplerState; } | 73 const WebGLSamplerState* getSamplerState() const { return &m_samplerState; } |
| 93 | 74 |
| 94 private: | 75 private: |
| 95 explicit WebGLTexture(WebGLRenderingContextBase*); | 76 explicit WebGLTexture(WebGLRenderingContextBase*); |
| 96 | 77 |
| 97 void deleteObjectImpl(WebGraphicsContext3D*) override; | 78 void deleteObjectImpl(WebGraphicsContext3D*) override; |
| 98 | 79 |
| 99 class LevelInfo { | |
| 100 public: | |
| 101 LevelInfo() | |
| 102 : valid(false) | |
| 103 , internalFormat(0) | |
| 104 , width(0) | |
| 105 , height(0) | |
| 106 , depth(0) | |
| 107 , type(0) | |
| 108 { | |
| 109 } | |
| 110 | |
| 111 void setInfo(GLenum internalFmt, GLsizei w, GLsizei h, GLsizei d, GLenum
tp) | |
| 112 { | |
| 113 valid = true; | |
| 114 internalFormat = internalFmt; | |
| 115 width = w; | |
| 116 height = h; | |
| 117 depth = d; | |
| 118 type = tp; | |
| 119 } | |
| 120 | |
| 121 bool valid; | |
| 122 GLenum internalFormat; | |
| 123 GLsizei width; | |
| 124 GLsizei height; | |
| 125 GLsizei depth; | |
| 126 GLenum type; | |
| 127 }; | |
| 128 | |
| 129 bool isTexture() const override { return true; } | 80 bool isTexture() const override { return true; } |
| 130 | 81 |
| 131 void update(); | |
| 132 | |
| 133 int mapTargetToIndex(GLenum) const; | 82 int mapTargetToIndex(GLenum) const; |
| 134 | 83 |
| 135 const LevelInfo* getLevelInfo(GLenum target, GLint level) const; | |
| 136 | |
| 137 GLenum m_target; | 84 GLenum m_target; |
| 138 | 85 |
| 139 WebGLSamplerState m_samplerState; | 86 WebGLSamplerState m_samplerState; |
| 140 | 87 |
| 141 Vector<Vector<LevelInfo>> m_info; | |
| 142 | |
| 143 bool m_isNPOT; | |
| 144 bool m_isCubeComplete; | |
| 145 bool m_isComplete; | |
| 146 bool m_isFloatType; | |
| 147 bool m_isHalfFloatType; | |
| 148 bool m_isWebGL2OrHigher; | 88 bool m_isWebGL2OrHigher; |
| 149 bool m_immutable; | |
| 150 size_t m_baseLevel; | 89 size_t m_baseLevel; |
| 151 size_t m_maxLevel; | 90 size_t m_maxLevel; |
| 152 }; | 91 }; |
| 153 | 92 |
| 154 } // namespace blink | 93 } // namespace blink |
| 155 | 94 |
| 156 #endif // WebGLTexture_h | 95 #endif // WebGLTexture_h |
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