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1 // Modified from chromium/src/webkit/glue/gl_bindings_skia_cmd_buffer.cc | 1 // Modified from chromium/src/webkit/glue/gl_bindings_skia_cmd_buffer.cc |
2 | 2 |
3 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 3 // Copyright (c) 2011 The Chromium Authors. All rights reserved. |
4 // Use of this source code is governed by a BSD-style license that can be | 4 // Use of this source code is governed by a BSD-style license that can be |
5 // found in the LICENSE file. | 5 // found in the LICENSE file. |
6 | 6 |
7 #include "gl/GrGLExtensions.h" | 7 #include "gl/GrGLExtensions.h" |
8 #include "gl/GrGLInterface.h" | 8 #include "gl/GrGLInterface.h" |
| 9 #include "gl/GrGLUtil.h" |
9 | 10 |
10 #ifndef GL_GLEXT_PROTOTYPES | 11 #ifndef GL_GLEXT_PROTOTYPES |
11 #define GL_GLEXT_PROTOTYPES | 12 #define GL_GLEXT_PROTOTYPES |
12 #endif | 13 #endif |
13 | 14 |
14 #include <GLES2/gl2.h> | 15 #include <GLES2/gl2.h> |
15 #include <GLES2/gl2ext.h> | 16 #include <GLES2/gl2ext.h> |
16 | 17 |
17 #include <EGL/egl.h> | 18 #include <EGL/egl.h> |
18 | 19 |
19 const GrGLInterface* GrGLCreateNativeInterface() { | 20 const GrGLInterface* GrGLCreateNativeInterface() { |
20 static SkAutoTUnref<GrGLInterface> glInterface; | 21 static SkAutoTUnref<GrGLInterface> glInterface; |
21 if (!glInterface.get()) { | 22 if (!glInterface.get()) { |
22 GrGLExtensions extensions; | 23 GrGLExtensions extensions; |
23 if (!extensions.init(kES_GrGLBinding, glGetString, NULL, glGetIntegerv))
{ | 24 if (!extensions.init(kES_GrGLBinding, glGetString, NULL, glGetIntegerv))
{ |
24 return NULL; | 25 return NULL; |
25 } | 26 } |
| 27 const char* verStr = reinterpret_cast<const char*>(glGetString(GR_GL_VER
SION)); |
| 28 GrGLVersion version = GrGLGetVersionFromString(verStr); |
| 29 if (version < GR_GL_VER(2,0)) { |
| 30 return NULL; |
| 31 } |
| 32 |
26 GrGLInterface* interface = new GrGLInterface; | 33 GrGLInterface* interface = new GrGLInterface; |
27 glInterface.reset(interface); | 34 glInterface.reset(interface); |
28 interface->fBindingsExported = kES_GrGLBinding; | 35 interface->fBindingsExported = kES_GrGLBinding; |
29 interface->fActiveTexture = glActiveTexture; | 36 interface->fActiveTexture = glActiveTexture; |
30 interface->fAttachShader = glAttachShader; | 37 interface->fAttachShader = glAttachShader; |
31 interface->fBindAttribLocation = glBindAttribLocation; | 38 interface->fBindAttribLocation = glBindAttribLocation; |
32 interface->fBindBuffer = glBindBuffer; | 39 interface->fBindBuffer = glBindBuffer; |
33 interface->fBindTexture = glBindTexture; | 40 interface->fBindTexture = glBindTexture; |
34 interface->fBindVertexArray = glBindVertexArrayOES; | 41 interface->fBindVertexArray = glBindVertexArrayOES; |
35 interface->fBlendColor = glBlendColor; | 42 interface->fBlendColor = glBlendColor; |
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87 interface->fStencilFunc = glStencilFunc; | 94 interface->fStencilFunc = glStencilFunc; |
88 interface->fStencilFuncSeparate = glStencilFuncSeparate; | 95 interface->fStencilFuncSeparate = glStencilFuncSeparate; |
89 interface->fStencilMask = glStencilMask; | 96 interface->fStencilMask = glStencilMask; |
90 interface->fStencilMaskSeparate = glStencilMaskSeparate; | 97 interface->fStencilMaskSeparate = glStencilMaskSeparate; |
91 interface->fStencilOp = glStencilOp; | 98 interface->fStencilOp = glStencilOp; |
92 interface->fStencilOpSeparate = glStencilOpSeparate; | 99 interface->fStencilOpSeparate = glStencilOpSeparate; |
93 interface->fTexImage2D = glTexImage2D; | 100 interface->fTexImage2D = glTexImage2D; |
94 interface->fTexParameteri = glTexParameteri; | 101 interface->fTexParameteri = glTexParameteri; |
95 interface->fTexParameteriv = glTexParameteriv; | 102 interface->fTexParameteriv = glTexParameteriv; |
96 interface->fTexSubImage2D = glTexSubImage2D; | 103 interface->fTexSubImage2D = glTexSubImage2D; |
97 #if GL_ARB_texture_storage | 104 |
98 interface->fTexStorage2D = glTexStorage2D; | 105 if (version >= GR_GL_VER(3,0)) { |
99 #elif GL_EXT_texture_storage | 106 #if GL_ES_VERSION_3_0 |
100 interface->fTexStorage2D = glTexStorage2DEXT; | 107 interface->fTexStorage2D = glTexStorage2D; |
101 #else | 108 #else |
102 interface->fTexStorage2D = (GrGLTexStorage2DProc) eglGetProcAddress("glT
exStorage2DEXT"); | 109 interface->fTexStorage2D = (GrGLTexStorage2DProc) eglGetProcAddress(
"glTexStorage2D"); |
103 #endif | 110 #endif |
| 111 } else { |
| 112 #if GL_EXT_texture_storage |
| 113 interface->fTexStorage2D = glTexStorage2DEXT; |
| 114 #else |
| 115 interface->fTexStorage2D = (GrGLTexStorage2DProc) eglGetProcAddress(
"glTexStorage2DEXT"); |
| 116 #endif |
| 117 } |
| 118 |
104 #if GL_EXT_discard_framebuffer | 119 #if GL_EXT_discard_framebuffer |
105 interface->fDiscardFramebuffer = glDiscardFramebufferEXT; | 120 interface->fDiscardFramebuffer = glDiscardFramebufferEXT; |
106 #endif | 121 #endif |
107 interface->fUniform1f = glUniform1f; | 122 interface->fUniform1f = glUniform1f; |
108 interface->fUniform1i = glUniform1i; | 123 interface->fUniform1i = glUniform1i; |
109 interface->fUniform1fv = glUniform1fv; | 124 interface->fUniform1fv = glUniform1fv; |
110 interface->fUniform1iv = glUniform1iv; | 125 interface->fUniform1iv = glUniform1iv; |
111 interface->fUniform2f = glUniform2f; | 126 interface->fUniform2f = glUniform2f; |
112 interface->fUniform2i = glUniform2i; | 127 interface->fUniform2i = glUniform2i; |
113 interface->fUniform2fv = glUniform2fv; | 128 interface->fUniform2fv = glUniform2fv; |
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160 interface->fMapBuffer = glMapBufferOES; | 175 interface->fMapBuffer = glMapBufferOES; |
161 interface->fUnmapBuffer = glUnmapBufferOES; | 176 interface->fUnmapBuffer = glUnmapBufferOES; |
162 #else | 177 #else |
163 interface->fMapBuffer = (GrGLMapBufferProc) eglGetProcAddress("glMapBuff
erOES"); | 178 interface->fMapBuffer = (GrGLMapBufferProc) eglGetProcAddress("glMapBuff
erOES"); |
164 interface->fUnmapBuffer = (GrGLUnmapBufferProc) eglGetProcAddress("glUnm
apBufferOES"); | 179 interface->fUnmapBuffer = (GrGLUnmapBufferProc) eglGetProcAddress("glUnm
apBufferOES"); |
165 #endif | 180 #endif |
166 } | 181 } |
167 glInterface.get()->ref(); | 182 glInterface.get()->ref(); |
168 return glInterface.get(); | 183 return glInterface.get(); |
169 } | 184 } |
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