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| 1 | |
| 2 /* | |
| 3 * Copyright 2014 Google Inc. | |
| 4 * | |
| 5 * Use of this source code is governed by a BSD-style license that can be | |
| 6 * found in the LICENSE file. | |
| 7 */ | |
| 8 | |
| 9 const GrGLInterface* GrGLAssembleGLESInterface(void* ctx, GrGLGetProc get) { | |
| 10 GET_PROC_LOCAL(GetString); | |
| 11 const char* verStr = reinterpret_cast<const char*>(GetString(GR_GL_VERSION))
; | |
| 12 GrGLVersion version = GrGLGetVersionFromString(verStr); | |
| 13 | |
| 14 if (version < GR_GL_VER(2,0)) { | |
| 15 return NULL; | |
| 16 } | |
| 17 | |
| 18 GET_PROC_LOCAL(GetIntegerv); | |
| 19 GET_PROC_LOCAL(GetStringi); | |
| 20 GrGLExtensions extensions; | |
| 21 if (!extensions.init(kGLES_GrGLStandard, GetString, GetStringi, GetIntegerv)
) { | |
| 22 return NULL; | |
| 23 } | |
| 24 | |
| 25 GrGLInterface* interface = SkNEW(GrGLInterface); | |
| 26 GrGLInterface::Functions* functions = &interface->fFunctions; | |
| 27 | |
| 28 GET_LINKED(ActiveTexture); | |
| 29 GET_LINKED(AttachShader); | |
| 30 GET_LINKED(BindAttribLocation); | |
| 31 GET_LINKED(BindBuffer); | |
| 32 GET_LINKED(BindTexture); | |
| 33 GET_LINKED_SUFFIX(BindVertexArray, OES); | |
| 34 GET_LINKED(BlendColor); | |
| 35 GET_LINKED(BlendFunc); | |
| 36 GET_LINKED(BufferData); | |
| 37 GET_LINKED(BufferSubData); | |
| 38 GET_LINKED(Clear); | |
| 39 GET_LINKED(ClearColor); | |
| 40 GET_LINKED(ClearStencil); | |
| 41 GET_LINKED(ColorMask); | |
| 42 GET_LINKED(CompileShader); | |
| 43 GET_LINKED(CompressedTexImage2D); | |
| 44 GET_LINKED(CompressedTexSubImage2D); | |
| 45 GET_LINKED(CopyTexSubImage2D); | |
| 46 GET_LINKED(CreateProgram); | |
| 47 GET_LINKED(CreateShader); | |
| 48 GET_LINKED(CullFace); | |
| 49 GET_LINKED(DeleteBuffers); | |
| 50 GET_LINKED(DeleteProgram); | |
| 51 GET_LINKED(DeleteShader); | |
| 52 GET_LINKED(DeleteTextures); | |
| 53 GET_LINKED_SUFFIX(DeleteVertexArrays, OES); | |
| 54 GET_LINKED(DepthMask); | |
| 55 GET_LINKED(Disable); | |
| 56 GET_LINKED(DisableVertexAttribArray); | |
| 57 GET_LINKED(DrawArrays); | |
| 58 GET_LINKED(DrawElements); | |
| 59 GET_LINKED(Enable); | |
| 60 GET_LINKED(EnableVertexAttribArray); | |
| 61 GET_LINKED(Finish); | |
| 62 GET_LINKED(Flush); | |
| 63 GET_LINKED(FrontFace); | |
| 64 GET_LINKED(GenBuffers); | |
| 65 GET_LINKED(GenerateMipmap); | |
| 66 GET_LINKED(GenTextures); | |
| 67 GET_LINKED_SUFFIX(GenVertexArrays, OES); | |
| 68 GET_LINKED(GetBufferParameteriv); | |
| 69 GET_LINKED(GetError); | |
| 70 GET_LINKED(GetIntegerv); | |
| 71 GET_LINKED(GetProgramInfoLog); | |
| 72 GET_LINKED(GetProgramiv); | |
| 73 GET_LINKED(GetShaderInfoLog); | |
| 74 GET_LINKED(GetShaderiv); | |
| 75 GET_LINKED(GetString); | |
| 76 #if USE_LINKED && GL_ES_VERSION_3_0 | |
| 77 GET_LINKED(GetStringi); | |
| 78 #else | |
| 79 GET_PROC(GetStringi); | |
| 80 #endif | |
| 81 GET_LINKED(GetUniformLocation); | |
| 82 GET_LINKED(LineWidth); | |
| 83 GET_LINKED(LinkProgram); | |
| 84 GET_LINKED(PixelStorei); | |
| 85 GET_LINKED(ReadPixels); | |
| 86 GET_LINKED(Scissor); | |
| 87 #if GR_GL_USE_NEW_SHADER_SOURCE_SIGNATURE | |
| 88 functions->fShaderSource = (GrGLShaderSourceProc) glShaderSource; | |
| 89 #else | |
| 90 GET_LINKED(ShaderSource); | |
| 91 #endif | |
| 92 GET_LINKED(StencilFunc); | |
| 93 GET_LINKED(StencilFuncSeparate); | |
| 94 GET_LINKED(StencilMask); | |
| 95 GET_LINKED(StencilMaskSeparate); | |
| 96 GET_LINKED(StencilOp); | |
| 97 GET_LINKED(StencilOpSeparate); | |
| 98 GET_LINKED(TexImage2D); | |
| 99 GET_LINKED(TexParameteri); | |
| 100 GET_LINKED(TexParameteriv); | |
| 101 GET_LINKED(TexSubImage2D); | |
| 102 | |
| 103 if (version >= GR_GL_VER(3,0)) { | |
| 104 #if USE_LINKED && GL_ES_VERSION_3_0 | |
| 105 GET_LINKED(TexStorage2D); | |
| 106 #else | |
| 107 GET_PROC(TexStorage2D); | |
| 108 #endif | |
| 109 } else { | |
| 110 #if USE_LINKED && GL_EXT_texture_storage | |
| 111 GET_LINKED_SUFFIX(TexStorage2D, EXT); | |
| 112 #else | |
| 113 GET_PROC_SUFFIX(TexStorage2D, EXT); | |
| 114 #endif | |
| 115 } | |
| 116 | |
| 117 #if USE_LINKED && GL_EXT_discard_framebuffer | |
| 118 GET_LINKED_SUFFIX(DiscardFramebuffer, EXT); | |
| 119 #endif | |
| 120 GET_LINKED(Uniform1f); | |
| 121 GET_LINKED(Uniform1i); | |
| 122 GET_LINKED(Uniform1fv); | |
| 123 GET_LINKED(Uniform1iv); | |
| 124 GET_LINKED(Uniform2f); | |
| 125 GET_LINKED(Uniform2i); | |
| 126 GET_LINKED(Uniform2fv); | |
| 127 GET_LINKED(Uniform2iv); | |
| 128 GET_LINKED(Uniform3f); | |
| 129 GET_LINKED(Uniform3i); | |
| 130 GET_LINKED(Uniform3fv); | |
| 131 GET_LINKED(Uniform3iv); | |
| 132 GET_LINKED(Uniform4f); | |
| 133 GET_LINKED(Uniform4i); | |
| 134 GET_LINKED(Uniform4fv); | |
| 135 GET_LINKED(Uniform4iv); | |
| 136 GET_LINKED(UniformMatrix2fv); | |
| 137 GET_LINKED(UniformMatrix3fv); | |
| 138 GET_LINKED(UniformMatrix4fv); | |
| 139 GET_LINKED(UseProgram); | |
| 140 GET_LINKED(VertexAttrib4fv); | |
| 141 GET_LINKED(VertexAttribPointer); | |
| 142 GET_LINKED(Viewport); | |
| 143 GET_LINKED(BindFramebuffer); | |
| 144 GET_LINKED(BindRenderbuffer); | |
| 145 GET_LINKED(CheckFramebufferStatus); | |
| 146 GET_LINKED(DeleteFramebuffers); | |
| 147 GET_LINKED(DeleteRenderbuffers); | |
| 148 GET_LINKED(FramebufferRenderbuffer); | |
| 149 GET_LINKED(FramebufferTexture2D); | |
| 150 | |
| 151 if (version >= GR_GL_VER(3,0)) { | |
| 152 #if USE_LINKED && GL_ES_VERSION_3_0 | |
| 153 GET_LINKED(RenderbufferStorageMultisample); | |
| 154 GET_LINKED(BlitFramebuffer); | |
| 155 #else | |
| 156 GET_PROC(RenderbufferStorageMultisample); | |
| 157 GET_PROC(BlitFramebuffer); | |
| 158 #endif | |
| 159 } | |
| 160 | |
| 161 if (extensions.has("GL_EXT_multisampled_render_to_texture")) { | |
| 162 #if USE_LINKED && GL_EXT_multisampled_render_to_texture | |
| 163 GET_LINKED_SUFFIX(FramebufferTexture2DMultisample, EXT); | |
| 164 functions->fRenderbufferStorageMultisampleES2EXT = glRenderbufferStorage
MultisampleEXT; | |
| 165 #else | |
| 166 GET_PROC_SUFFIX(FramebufferTexture2DMultisample, EXT); | |
| 167 functions->fRenderbufferStorageMultisampleES2EXT = (GrGLRenderbufferStor
ageMultisampleProc) get(ctx, "glRenderbufferStorageMultisampleEXT"); | |
| 168 #endif | |
| 169 } else if (extensions.has("GL_IMG_multisampled_render_to_texture")) { | |
| 170 #if USE_LINKED && GL_IMG_multisampled_render_to_texture | |
| 171 GET_LINKED_SUFFIX(FramebufferTexture2DMultisample, IMG); | |
| 172 functions->fRenderbufferStorageMultisampleES2EXT = glRenderbufferStorage
MultisampleIMG; | |
| 173 #else | |
| 174 GET_PROC_SUFFIX(FramebufferTexture2DMultisample, IMG); | |
| 175 functions->fRenderbufferStorageMultisampleES2EXT = (GrGLRenderbufferStor
ageMultisampleProc) get(ctx, "glRenderbufferStorageMultisampleIMG"); | |
| 176 #endif | |
| 177 } | |
| 178 | |
| 179 GET_LINKED(GenFramebuffers); | |
| 180 GET_LINKED(GenRenderbuffers); | |
| 181 GET_LINKED(GetFramebufferAttachmentParameteriv); | |
| 182 GET_LINKED(GetRenderbufferParameteriv); | |
| 183 GET_LINKED(RenderbufferStorage); | |
| 184 | |
| 185 #if USE_LINKED && GL_OES_mapbuffer | |
| 186 GET_LINKED_SUFFIX(MapBuffer, OES); | |
| 187 GET_LINKED_SUFFIX(UnmapBuffer, OES); | |
| 188 #else | |
| 189 GET_PROC_SUFFIX(MapBuffer, OES); | |
| 190 GET_PROC_SUFFIX(UnmapBuffer, OES); | |
| 191 #endif | |
| 192 | |
| 193 if (version >= GR_GL_VER(3,0)) { | |
| 194 #if USE_LINKED && GL_ES_VERSION_3_0 | |
| 195 GET_LINKED(MapBufferRange); | |
| 196 GET_LINKED(FlushMappedBufferRange); | |
| 197 #else | |
| 198 GET_PROC(MapBufferRange); | |
| 199 GET_PROC(FlushMappedBufferRange); | |
| 200 #endif | |
| 201 } else if (extensions.has("GL_EXT_map_buffer_range")) { | |
| 202 #if USE_LINKED && GL_EXT_map_buffer_range | |
| 203 GET_LINKED_SUFFIX(MapBufferRange, EXT); | |
| 204 GET_LINKED_SUFFIX(FlushMappedBufferRange, EXT); | |
| 205 #else | |
| 206 GET_PROC_SUFFIX(MapBufferRange, EXT); | |
| 207 GET_PROC_SUFFIX(FlushMappedBufferRange, EXT); | |
| 208 #endif | |
| 209 } | |
| 210 | |
| 211 if (extensions.has("GL_EXT_debug_marker")) { | |
| 212 GET_PROC(InsertEventMarker); | |
| 213 GET_PROC(PushGroupMarker); | |
| 214 GET_PROC(PopGroupMarker); | |
| 215 // The below check is here because a device has been found that has the
extension string but | |
| 216 // returns NULL from the eglGetProcAddress for the functions | |
| 217 if (NULL == functions->fInsertEventMarker || | |
| 218 NULL == functions->fPushGroupMarker || | |
| 219 NULL == functions->fPopGroupMarker) { | |
| 220 extensions.remove("GL_EXT_debug_marker"); | |
| 221 } | |
| 222 } | |
| 223 | |
| 224 #if USE_LINKED && GL_ES_VERSION_3_0 | |
| 225 GET_LINKED(InvalidateFramebuffer); | |
| 226 GET_LINKED(InvalidateSubFramebuffer); | |
| 227 #else | |
| 228 GET_PROC(InvalidateFramebuffer); | |
| 229 GET_PROC(InvalidateSubFramebuffer); | |
| 230 #endif | |
| 231 GET_PROC(InvalidateBufferData); | |
| 232 GET_PROC(InvalidateBufferSubData); | |
| 233 GET_PROC(InvalidateTexImage); | |
| 234 GET_PROC(InvalidateTexSubImage); | |
| 235 | |
| 236 interface->fStandard = kGLES_GrGLStandard; | |
| 237 interface->fExtensions.swap(&extensions); | |
| 238 | |
| 239 return interface; | |
| 240 } | |
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Chromium Code Reviews
Issue 351583002:
Revert of Support using OpenGL ES context on desktop (Closed)
Base URL: https://skia.googlesource.com/skia.git@master