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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 #ifndef GPU_COMMAND_BUFFER_CLIENT_GLES2_IMPLEMENTATION_H_ | 5 #ifndef GPU_COMMAND_BUFFER_CLIENT_GLES2_IMPLEMENTATION_H_ |
6 #define GPU_COMMAND_BUFFER_CLIENT_GLES2_IMPLEMENTATION_H_ | 6 #define GPU_COMMAND_BUFFER_CLIENT_GLES2_IMPLEMENTATION_H_ |
7 | 7 |
8 #include <GLES2/gl2.h> | 8 #include <GLES2/gl2.h> |
9 | 9 |
10 #include <map> | 10 #include <map> |
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95 struct GLUniformDefinitionCHROMIUM; | 95 struct GLUniformDefinitionCHROMIUM; |
96 | 96 |
97 namespace gpu { | 97 namespace gpu { |
98 | 98 |
99 class MappedMemoryManager; | 99 class MappedMemoryManager; |
100 class ScopedTransferBufferPtr; | 100 class ScopedTransferBufferPtr; |
101 class TransferBufferInterface; | 101 class TransferBufferInterface; |
102 | 102 |
103 namespace gles2 { | 103 namespace gles2 { |
104 | 104 |
| 105 class GpuMemoryBufferFactory; |
| 106 class GpuMemoryBufferTracker; |
105 class VertexArrayObjectManager; | 107 class VertexArrayObjectManager; |
106 | 108 |
107 // This class emulates GLES2 over command buffers. It can be used by a client | 109 // This class emulates GLES2 over command buffers. It can be used by a client |
108 // program so that the program does not need deal with shared memory and command | 110 // program so that the program does not need deal with shared memory and command |
109 // buffer management. See gl2_lib.h. Note that there is a performance gain to | 111 // buffer management. See gl2_lib.h. Note that there is a performance gain to |
110 // be had by changing your code to use command buffers directly by using the | 112 // be had by changing your code to use command buffers directly by using the |
111 // GLES2CmdHelper but that entails changing your code to use and deal with | 113 // GLES2CmdHelper but that entails changing your code to use and deal with |
112 // shared memory and synchronization issues. | 114 // shared memory and synchronization issues. |
113 class GLES2_IMPL_EXPORT GLES2Implementation : public GLES2Interface { | 115 class GLES2_IMPL_EXPORT GLES2Implementation : public GLES2Interface { |
114 public: | 116 public: |
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212 void FreeEverything(); | 214 void FreeEverything(); |
213 | 215 |
214 void SetErrorMessageCallback(ErrorMessageCallback* callback) { | 216 void SetErrorMessageCallback(ErrorMessageCallback* callback) { |
215 error_message_callback_ = callback; | 217 error_message_callback_ = callback; |
216 } | 218 } |
217 | 219 |
218 ShareGroup* share_group() const { | 220 ShareGroup* share_group() const { |
219 return share_group_.get(); | 221 return share_group_.get(); |
220 } | 222 } |
221 | 223 |
| 224 void SetGpuMemoryBufferFactory(GpuMemoryBufferFactory* factory) { |
| 225 gpu_memory_buffer_factory_ = factory; |
| 226 } |
| 227 |
222 private: | 228 private: |
223 friend class GLES2ImplementationTest; | 229 friend class GLES2ImplementationTest; |
224 friend class VertexArrayObjectManager; | 230 friend class VertexArrayObjectManager; |
225 | 231 |
226 // Used to track whether an extension is available | 232 // Used to track whether an extension is available |
227 enum ExtensionStatus { | 233 enum ExtensionStatus { |
228 kAvailableExtensionStatus, | 234 kAvailableExtensionStatus, |
229 kUnavailableExtensionStatus, | 235 kUnavailableExtensionStatus, |
230 kUnknownExtensionStatus | 236 kUnknownExtensionStatus |
231 }; | 237 }; |
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400 bool BindRenderbufferHelper(GLenum target, GLuint texture); | 406 bool BindRenderbufferHelper(GLenum target, GLuint texture); |
401 bool BindTextureHelper(GLenum target, GLuint texture); | 407 bool BindTextureHelper(GLenum target, GLuint texture); |
402 bool BindVertexArrayHelper(GLuint array); | 408 bool BindVertexArrayHelper(GLuint array); |
403 | 409 |
404 void GenBuffersHelper(GLsizei n, const GLuint* buffers); | 410 void GenBuffersHelper(GLsizei n, const GLuint* buffers); |
405 void GenFramebuffersHelper(GLsizei n, const GLuint* framebuffers); | 411 void GenFramebuffersHelper(GLsizei n, const GLuint* framebuffers); |
406 void GenRenderbuffersHelper(GLsizei n, const GLuint* renderbuffers); | 412 void GenRenderbuffersHelper(GLsizei n, const GLuint* renderbuffers); |
407 void GenTexturesHelper(GLsizei n, const GLuint* textures); | 413 void GenTexturesHelper(GLsizei n, const GLuint* textures); |
408 void GenVertexArraysOESHelper(GLsizei n, const GLuint* arrays); | 414 void GenVertexArraysOESHelper(GLsizei n, const GLuint* arrays); |
409 void GenQueriesEXTHelper(GLsizei n, const GLuint* queries); | 415 void GenQueriesEXTHelper(GLsizei n, const GLuint* queries); |
| 416 void GenImageBuffersHelper(GLsizei n, const GLuint* imagebuffers); |
410 | 417 |
411 void DeleteBuffersHelper(GLsizei n, const GLuint* buffers); | 418 void DeleteBuffersHelper(GLsizei n, const GLuint* buffers); |
412 void DeleteFramebuffersHelper(GLsizei n, const GLuint* framebuffers); | 419 void DeleteFramebuffersHelper(GLsizei n, const GLuint* framebuffers); |
413 void DeleteRenderbuffersHelper(GLsizei n, const GLuint* renderbuffers); | 420 void DeleteRenderbuffersHelper(GLsizei n, const GLuint* renderbuffers); |
414 void DeleteTexturesHelper(GLsizei n, const GLuint* textures); | 421 void DeleteTexturesHelper(GLsizei n, const GLuint* textures); |
415 bool DeleteProgramHelper(GLuint program); | 422 bool DeleteProgramHelper(GLuint program); |
416 bool DeleteShaderHelper(GLuint shader); | 423 bool DeleteShaderHelper(GLuint shader); |
417 void DeleteQueriesEXTHelper(GLsizei n, const GLuint* queries); | 424 void DeleteQueriesEXTHelper(GLsizei n, const GLuint* queries); |
418 void DeleteVertexArraysOESHelper(GLsizei n, const GLuint* arrays); | 425 void DeleteVertexArraysOESHelper(GLsizei n, const GLuint* arrays); |
| 426 void DeleteImageBuffersHelper(GLsizei n, const GLuint* imagebuffers); |
419 | 427 |
420 void DeleteBuffersStub(GLsizei n, const GLuint* buffers); | 428 void DeleteBuffersStub(GLsizei n, const GLuint* buffers); |
421 void DeleteFramebuffersStub(GLsizei n, const GLuint* framebuffers); | 429 void DeleteFramebuffersStub(GLsizei n, const GLuint* framebuffers); |
| 430 void DeleteImageBuffersStub(GLsizei n, const GLuint* imagebuffers); |
422 void DeleteRenderbuffersStub(GLsizei n, const GLuint* renderbuffers); | 431 void DeleteRenderbuffersStub(GLsizei n, const GLuint* renderbuffers); |
423 void DeleteTexturesStub(GLsizei n, const GLuint* textures); | 432 void DeleteTexturesStub(GLsizei n, const GLuint* textures); |
424 void DeleteProgramStub(GLsizei n, const GLuint* programs); | 433 void DeleteProgramStub(GLsizei n, const GLuint* programs); |
425 void DeleteShaderStub(GLsizei n, const GLuint* shaders); | 434 void DeleteShaderStub(GLsizei n, const GLuint* shaders); |
426 // TODO(gman): Remove this as queries are not shared. | 435 // TODO(gman): Remove this as queries are not shared. |
427 void DeleteQueriesStub(GLsizei n, const GLuint* queries); | 436 void DeleteQueriesStub(GLsizei n, const GLuint* queries); |
428 void DeleteVertexArraysOESStub(GLsizei n, const GLuint* arrays); | 437 void DeleteVertexArraysOESStub(GLsizei n, const GLuint* arrays); |
429 | 438 |
430 void BufferDataHelper( | 439 void BufferDataHelper( |
431 GLenum target, GLsizeiptr size, const void* data, GLenum usage); | 440 GLenum target, GLsizeiptr size, const void* data, GLenum usage); |
432 void BufferSubDataHelper( | 441 void BufferSubDataHelper( |
433 GLenum target, GLintptr offset, GLsizeiptr size, const void* data); | 442 GLenum target, GLintptr offset, GLsizeiptr size, const void* data); |
434 void BufferSubDataHelperImpl( | 443 void BufferSubDataHelperImpl( |
435 GLenum target, GLintptr offset, GLsizeiptr size, const void* data, | 444 GLenum target, GLintptr offset, GLsizeiptr size, const void* data, |
436 ScopedTransferBufferPtr* buffer); | 445 ScopedTransferBufferPtr* buffer); |
437 | 446 |
| 447 // Helper for ImageBufferData |
| 448 void CreateGpuMemoryBuffer2DCHROMIUMHelper( |
| 449 GLuint image_id, GLint width, GLint height); |
| 450 |
438 // Helper for GetVertexAttrib | 451 // Helper for GetVertexAttrib |
439 bool GetVertexAttribHelper(GLuint index, GLenum pname, uint32* param); | 452 bool GetVertexAttribHelper(GLuint index, GLenum pname, uint32* param); |
440 | 453 |
441 GLuint GetMaxValueInBufferCHROMIUMHelper( | 454 GLuint GetMaxValueInBufferCHROMIUMHelper( |
442 GLuint buffer_id, GLsizei count, GLenum type, GLuint offset); | 455 GLuint buffer_id, GLsizei count, GLenum type, GLuint offset); |
443 | 456 |
444 void RestoreElementAndArrayBuffers(bool restore); | 457 void RestoreElementAndArrayBuffers(bool restore); |
445 void RestoreArrayBuffer(bool restrore); | 458 void RestoreArrayBuffer(bool restrore); |
446 | 459 |
447 // The pixels pointer should already account for unpack skip rows and skip | 460 // The pixels pointer should already account for unpack skip rows and skip |
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491 const std::string& GetLogPrefix() const; | 504 const std::string& GetLogPrefix() const; |
492 | 505 |
493 #if defined(GL_CLIENT_FAIL_GL_ERRORS) | 506 #if defined(GL_CLIENT_FAIL_GL_ERRORS) |
494 void CheckGLError(); | 507 void CheckGLError(); |
495 void FailGLError(GLenum error); | 508 void FailGLError(GLenum error); |
496 #else | 509 #else |
497 void CheckGLError() { } | 510 void CheckGLError() { } |
498 void FailGLError(GLenum /* error */) { } | 511 void FailGLError(GLenum /* error */) { } |
499 #endif | 512 #endif |
500 | 513 |
| 514 void GetBoundGpuMemoryBuffer(const char* function_name, GLuint* buffer_id); |
| 515 |
501 GLES2Util util_; | 516 GLES2Util util_; |
502 GLES2CmdHelper* helper_; | 517 GLES2CmdHelper* helper_; |
503 TransferBufferInterface* transfer_buffer_; | 518 TransferBufferInterface* transfer_buffer_; |
504 std::string last_error_; | 519 std::string last_error_; |
505 DebugMarkerManager debug_marker_manager_; | 520 DebugMarkerManager debug_marker_manager_; |
506 std::string this_in_hex_; | 521 std::string this_in_hex_; |
507 | 522 |
508 std::queue<int32> swap_buffers_tokens_; | 523 std::queue<int32> swap_buffers_tokens_; |
509 std::queue<int32> rate_limit_tokens_; | 524 std::queue<int32> rate_limit_tokens_; |
510 | 525 |
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547 // The program in use by glUseProgram | 562 // The program in use by glUseProgram |
548 GLuint current_program_; | 563 GLuint current_program_; |
549 | 564 |
550 // The currently bound array buffer. | 565 // The currently bound array buffer. |
551 GLuint bound_array_buffer_id_; | 566 GLuint bound_array_buffer_id_; |
552 | 567 |
553 // The currently bound pixel transfer buffers. | 568 // The currently bound pixel transfer buffers. |
554 GLuint bound_pixel_pack_transfer_buffer_id_; | 569 GLuint bound_pixel_pack_transfer_buffer_id_; |
555 GLuint bound_pixel_unpack_transfer_buffer_id_; | 570 GLuint bound_pixel_unpack_transfer_buffer_id_; |
556 | 571 |
| 572 // The currently bound GPU memory buffer |
| 573 GLuint bound_gpu_memory_buffer_id_; |
| 574 |
557 // Client side management for vertex array objects. Needed to correctly | 575 // Client side management for vertex array objects. Needed to correctly |
558 // track client side arrays. | 576 // track client side arrays. |
559 scoped_ptr<VertexArrayObjectManager> vertex_array_object_manager_; | 577 scoped_ptr<VertexArrayObjectManager> vertex_array_object_manager_; |
560 | 578 |
561 GLuint reserved_ids_[2]; | 579 GLuint reserved_ids_[2]; |
562 | 580 |
563 // Current GL error bits. | 581 // Current GL error bits. |
564 uint32 error_bits_; | 582 uint32 error_bits_; |
565 | 583 |
566 // Whether or not to print debugging info. | 584 // Whether or not to print debugging info. |
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593 ShaderPrecisionCacheMap; | 611 ShaderPrecisionCacheMap; |
594 ShaderPrecisionCacheMap shader_precision_cache_; | 612 ShaderPrecisionCacheMap shader_precision_cache_; |
595 | 613 |
596 scoped_refptr<ShareGroup> share_group_; | 614 scoped_refptr<ShareGroup> share_group_; |
597 | 615 |
598 scoped_ptr<QueryTracker> query_tracker_; | 616 scoped_ptr<QueryTracker> query_tracker_; |
599 QueryTracker::Query* current_query_; | 617 QueryTracker::Query* current_query_; |
600 | 618 |
601 scoped_ptr<BufferTracker> buffer_tracker_; | 619 scoped_ptr<BufferTracker> buffer_tracker_; |
602 | 620 |
| 621 scoped_ptr<GpuMemoryBufferTracker> gpu_memory_buffer_tracker_; |
| 622 |
603 ErrorMessageCallback* error_message_callback_; | 623 ErrorMessageCallback* error_message_callback_; |
604 | 624 |
605 scoped_ptr<std::string> current_trace_name_; | 625 scoped_ptr<std::string> current_trace_name_; |
606 | 626 |
| 627 GpuMemoryBufferFactory* gpu_memory_buffer_factory_; |
| 628 |
607 DISALLOW_COPY_AND_ASSIGN(GLES2Implementation); | 629 DISALLOW_COPY_AND_ASSIGN(GLES2Implementation); |
608 }; | 630 }; |
609 | 631 |
610 inline bool GLES2Implementation::GetBufferParameterivHelper( | 632 inline bool GLES2Implementation::GetBufferParameterivHelper( |
611 GLenum /* target */, GLenum /* pname */, GLint* /* params */) { | 633 GLenum /* target */, GLenum /* pname */, GLint* /* params */) { |
612 return false; | 634 return false; |
613 } | 635 } |
614 | 636 |
615 inline bool GLES2Implementation::GetFramebufferAttachmentParameterivHelper( | 637 inline bool GLES2Implementation::GetFramebufferAttachmentParameterivHelper( |
616 GLenum /* target */, | 638 GLenum /* target */, |
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637 | 659 |
638 inline bool GLES2Implementation::GetTexParameterivHelper( | 660 inline bool GLES2Implementation::GetTexParameterivHelper( |
639 GLenum /* target */, GLenum /* pname */, GLint* /* params */) { | 661 GLenum /* target */, GLenum /* pname */, GLint* /* params */) { |
640 return false; | 662 return false; |
641 } | 663 } |
642 | 664 |
643 } // namespace gles2 | 665 } // namespace gles2 |
644 } // namespace gpu | 666 } // namespace gpu |
645 | 667 |
646 #endif // GPU_COMMAND_BUFFER_CLIENT_GLES2_IMPLEMENTATION_H_ | 668 #endif // GPU_COMMAND_BUFFER_CLIENT_GLES2_IMPLEMENTATION_H_ |
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