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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 |
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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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