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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "gpu/blink/webgraphicscontext3d_impl.h" | 5 #include "gpu/blink/webgraphicscontext3d_impl.h" |
6 | 6 |
7 #include <stdint.h> | 7 #include <stdint.h> |
8 | 8 |
9 #include "base/atomicops.h" | 9 #include "base/atomicops.h" |
10 #include "base/lazy_instance.h" | 10 #include "base/lazy_instance.h" |
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35 using blink::WGC3Dsizei; | 35 using blink::WGC3Dsizei; |
36 using blink::WGC3Dsizeiptr; | 36 using blink::WGC3Dsizeiptr; |
37 using blink::WGC3Dint64; | 37 using blink::WGC3Dint64; |
38 using blink::WGC3Duint64; | 38 using blink::WGC3Duint64; |
39 using blink::WGC3Duint; | 39 using blink::WGC3Duint; |
40 using blink::WebGLId; | 40 using blink::WebGLId; |
41 using blink::WGC3Dsync; | 41 using blink::WGC3Dsync; |
42 | 42 |
43 namespace gpu_blink { | 43 namespace gpu_blink { |
44 | 44 |
45 namespace { | |
46 | |
47 uint32_t GenFlushID() { | |
48 static base::subtle::Atomic32 flush_id = 0; | |
49 | |
50 base::subtle::Atomic32 my_id = base::subtle::Barrier_AtomicIncrement( | |
51 &flush_id, 1); | |
52 return static_cast<uint32_t>(my_id); | |
53 } | |
54 | |
55 } // namespace anonymous | |
56 | |
57 class WebGraphicsContext3DErrorMessageCallback | 45 class WebGraphicsContext3DErrorMessageCallback |
58 : public ::gpu::gles2::GLES2ImplementationErrorMessageCallback { | 46 : public ::gpu::gles2::GLES2ImplementationErrorMessageCallback { |
59 public: | 47 public: |
60 WebGraphicsContext3DErrorMessageCallback( | 48 WebGraphicsContext3DErrorMessageCallback( |
61 WebGraphicsContext3DImpl* context) | 49 WebGraphicsContext3DImpl* context) |
62 : graphics_context_(context) { | 50 : graphics_context_(context) { |
63 } | 51 } |
64 | 52 |
65 void OnErrorMessage(const char* msg, int id) override; | 53 void OnErrorMessage(const char* msg, int id) override; |
66 | 54 |
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191 t6 a6, t7 a7, t8 a8, t9 a9, t10 a10,\ | 179 t6 a6, t7 a7, t8 a8, t9 a9, t10 a10,\ |
192 t11 a11, t12 a12) { \ | 180 t11 a11, t12 a12) { \ |
193 gl_->glname(a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12); \ | 181 gl_->glname(a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12); \ |
194 } | 182 } |
195 | 183 |
196 WebGraphicsContext3DImpl::WebGraphicsContext3DImpl() | 184 WebGraphicsContext3DImpl::WebGraphicsContext3DImpl() |
197 : initialized_(false), | 185 : initialized_(false), |
198 initialize_failed_(false), | 186 initialize_failed_(false), |
199 context_lost_callback_(0), | 187 context_lost_callback_(0), |
200 error_message_callback_(0), | 188 error_message_callback_(0), |
201 gl_(NULL), | 189 gl_(NULL) {} |
202 flush_id_(0) { | |
203 } | |
204 | 190 |
205 WebGraphicsContext3DImpl::~WebGraphicsContext3DImpl() { | 191 WebGraphicsContext3DImpl::~WebGraphicsContext3DImpl() { |
206 | 192 |
207 } | 193 } |
208 | 194 |
209 void WebGraphicsContext3DImpl::synthesizeGLError(WGC3Denum error) { | 195 void WebGraphicsContext3DImpl::synthesizeGLError(WGC3Denum error) { |
210 if (std::find(synthetic_errors_.begin(), synthetic_errors_.end(), error) == | 196 if (std::find(synthetic_errors_.begin(), synthetic_errors_.end(), error) == |
211 synthetic_errors_.end()) { | 197 synthetic_errors_.end()) { |
212 synthetic_errors_.push_back(error); | 198 synthetic_errors_.push_back(error); |
213 } | 199 } |
214 } | 200 } |
215 | 201 |
216 uint32_t WebGraphicsContext3DImpl::lastFlushID() { | 202 DELEGATE_TO_GL_R(lastFlushID, GetLastFlushIdCHROMIUM, WebGLId) |
217 return flush_id_; | |
218 } | |
219 | 203 |
220 DELEGATE_TO_GL_R(insertFenceSyncCHROMIUM, InsertFenceSyncCHROMIUM, WGC3Duint64) | 204 DELEGATE_TO_GL_R(insertFenceSyncCHROMIUM, InsertFenceSyncCHROMIUM, WGC3Duint64) |
221 | 205 |
222 bool WebGraphicsContext3DImpl::genSyncTokenCHROMIUM(WGC3Duint64 fenceSync, | 206 bool WebGraphicsContext3DImpl::genSyncTokenCHROMIUM(WGC3Duint64 fenceSync, |
223 WGC3Dbyte* syncToken) { | 207 WGC3Dbyte* syncToken) { |
224 gl_->GenSyncTokenCHROMIUM(fenceSync, syncToken); | 208 gl_->GenSyncTokenCHROMIUM(fenceSync, syncToken); |
225 return true; | 209 return true; |
226 } | 210 } |
227 | 211 |
228 DELEGATE_TO_GL_1(waitSyncTokenCHROMIUM, WaitSyncTokenCHROMIUM, const WGC3Dbyte*) | 212 DELEGATE_TO_GL_1(waitSyncTokenCHROMIUM, WaitSyncTokenCHROMIUM, const WGC3Dbyte*) |
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366 gl_->DrawElements( | 350 gl_->DrawElements( |
367 mode, count, type, | 351 mode, count, type, |
368 reinterpret_cast<void*>(static_cast<intptr_t>(offset))); | 352 reinterpret_cast<void*>(static_cast<intptr_t>(offset))); |
369 } | 353 } |
370 | 354 |
371 DELEGATE_TO_GL_1(enable, Enable, WGC3Denum) | 355 DELEGATE_TO_GL_1(enable, Enable, WGC3Denum) |
372 | 356 |
373 DELEGATE_TO_GL_1(enableVertexAttribArray, EnableVertexAttribArray, | 357 DELEGATE_TO_GL_1(enableVertexAttribArray, EnableVertexAttribArray, |
374 WGC3Duint) | 358 WGC3Duint) |
375 | 359 |
376 void WebGraphicsContext3DImpl::finish() { | 360 DELEGATE_TO_GL(finish, Finish) |
377 flush_id_ = GenFlushID(); | 361 DELEGATE_TO_GL(flush, Flush) |
378 gl_->Finish(); | |
379 } | |
380 | |
381 void WebGraphicsContext3DImpl::flush() { | |
382 flush_id_ = GenFlushID(); | |
383 gl_->Flush(); | |
384 } | |
385 | 362 |
386 DELEGATE_TO_GL_4(framebufferRenderbuffer, FramebufferRenderbuffer, | 363 DELEGATE_TO_GL_4(framebufferRenderbuffer, FramebufferRenderbuffer, |
387 WGC3Denum, WGC3Denum, WGC3Denum, WebGLId) | 364 WGC3Denum, WGC3Denum, WGC3Denum, WebGLId) |
388 | 365 |
389 DELEGATE_TO_GL_5(framebufferTexture2D, FramebufferTexture2D, | 366 DELEGATE_TO_GL_5(framebufferTexture2D, FramebufferTexture2D, |
390 WGC3Denum, WGC3Denum, WGC3Denum, WebGLId, WGC3Dint) | 367 WGC3Denum, WGC3Denum, WGC3Denum, WebGLId, WGC3Dint) |
391 | 368 |
392 DELEGATE_TO_GL_1(frontFace, FrontFace, WGC3Denum) | 369 DELEGATE_TO_GL_1(frontFace, FrontFace, WGC3Denum) |
393 | 370 |
394 DELEGATE_TO_GL_1(generateMipmap, GenerateMipmap, WGC3Denum) | 371 DELEGATE_TO_GL_1(generateMipmap, GenerateMipmap, WGC3Denum) |
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886 WGC3Dint, | 863 WGC3Dint, |
887 WGC3Dsizei, | 864 WGC3Dsizei, |
888 WGC3Dsizei, | 865 WGC3Dsizei, |
889 WGC3Dboolean, | 866 WGC3Dboolean, |
890 WGC3Dboolean, | 867 WGC3Dboolean, |
891 WGC3Dboolean); | 868 WGC3Dboolean); |
892 | 869 |
893 DELEGATE_TO_GL_3(bindUniformLocationCHROMIUM, BindUniformLocationCHROMIUM, | 870 DELEGATE_TO_GL_3(bindUniformLocationCHROMIUM, BindUniformLocationCHROMIUM, |
894 WebGLId, WGC3Dint, const WGC3Dchar*) | 871 WebGLId, WGC3Dint, const WGC3Dchar*) |
895 | 872 |
896 void WebGraphicsContext3DImpl::shallowFlushCHROMIUM() { | 873 DELEGATE_TO_GL(shallowFlushCHROMIUM, ShallowFlushCHROMIUM) |
897 flush_id_ = GenFlushID(); | 874 DELEGATE_TO_GL(shallowFinishCHROMIUM, ShallowFinishCHROMIUM) |
898 gl_->ShallowFlushCHROMIUM(); | |
899 } | |
900 | |
901 void WebGraphicsContext3DImpl::shallowFinishCHROMIUM() { | |
902 flush_id_ = GenFlushID(); | |
903 gl_->ShallowFinishCHROMIUM(); | |
904 } | |
905 | 875 |
906 void WebGraphicsContext3DImpl::loseContextCHROMIUM( | 876 void WebGraphicsContext3DImpl::loseContextCHROMIUM( |
907 WGC3Denum current, WGC3Denum other) { | 877 WGC3Denum current, WGC3Denum other) { |
908 gl_->LoseContextCHROMIUM(current, other); | 878 gl_->LoseContextCHROMIUM(current, other); |
909 gl_->Flush(); | 879 gl_->Flush(); |
910 } | 880 } |
911 | 881 |
912 DELEGATE_TO_GL_1(genMailboxCHROMIUM, GenMailboxCHROMIUM, WGC3Dbyte*) | 882 DELEGATE_TO_GL_1(genMailboxCHROMIUM, GenMailboxCHROMIUM, WGC3Dbyte*) |
913 DELEGATE_TO_GL_2(produceTextureCHROMIUM, ProduceTextureCHROMIUM, | 883 DELEGATE_TO_GL_2(produceTextureCHROMIUM, ProduceTextureCHROMIUM, |
914 WGC3Denum, const WGC3Dbyte*) | 884 WGC3Denum, const WGC3Dbyte*) |
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1301 output_attribs->context_type = ::gpu::gles2::CONTEXT_TYPE_WEBGL2; | 1271 output_attribs->context_type = ::gpu::gles2::CONTEXT_TYPE_WEBGL2; |
1302 break; | 1272 break; |
1303 default: | 1273 default: |
1304 NOTREACHED(); | 1274 NOTREACHED(); |
1305 output_attribs->context_type = ::gpu::gles2::CONTEXT_TYPE_OPENGLES2; | 1275 output_attribs->context_type = ::gpu::gles2::CONTEXT_TYPE_OPENGLES2; |
1306 break; | 1276 break; |
1307 } | 1277 } |
1308 } | 1278 } |
1309 | 1279 |
1310 } // namespace gpu_blink | 1280 } // namespace gpu_blink |
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