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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/command_buffer/service/context_state.h" | 5 #include "gpu/command_buffer/service/context_state.h" |
6 | 6 |
7 #include <stddef.h> | 7 #include <stddef.h> |
8 | 8 |
9 #include <cmath> | 9 #include <cmath> |
10 | 10 |
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70 return feature_info->feature_flags().arb_texture_rectangle; | 70 return feature_info->feature_flags().arb_texture_rectangle; |
71 case GL_TEXTURE_EXTERNAL_OES: | 71 case GL_TEXTURE_EXTERNAL_OES: |
72 return feature_info->feature_flags().oes_egl_image_external || | 72 return feature_info->feature_flags().oes_egl_image_external || |
73 feature_info->feature_flags().nv_egl_stream_consumer_external; | 73 feature_info->feature_flags().nv_egl_stream_consumer_external; |
74 default: | 74 default: |
75 NOTREACHED(); | 75 NOTREACHED(); |
76 return false; | 76 return false; |
77 } | 77 } |
78 } | 78 } |
79 | 79 |
80 bool BufferTargetIsSupported(GLuint target) { | |
81 switch (target) { | |
82 case GL_ARRAY_BUFFER: | |
83 return true; | |
84 default: | |
85 NOTREACHED(); | |
86 return false; | |
87 } | |
88 } | |
89 | |
90 GLuint GetBufferId(const Buffer* buffer) { | 80 GLuint GetBufferId(const Buffer* buffer) { |
91 if (buffer) | 81 if (buffer) |
92 return buffer->service_id(); | 82 return buffer->service_id(); |
93 return 0; | 83 return 0; |
94 } | 84 } |
95 | 85 |
96 } // anonymous namespace. | 86 } // anonymous namespace. |
97 | 87 |
98 TextureUnit::TextureUnit() | 88 TextureUnit::TextureUnit() |
99 : bind_target(GL_TEXTURE_2D) { | 89 : bind_target(GL_TEXTURE_2D) { |
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309 glPixelStorei(GL_UNPACK_ROW_LENGTH, unpack_row_length); | 299 glPixelStorei(GL_UNPACK_ROW_LENGTH, unpack_row_length); |
310 glPixelStorei(GL_UNPACK_IMAGE_HEIGHT, unpack_image_height); | 300 glPixelStorei(GL_UNPACK_IMAGE_HEIGHT, unpack_image_height); |
311 } | 301 } |
312 } | 302 } |
313 | 303 |
314 void ContextState::DoLineWidth(GLfloat width) const { | 304 void ContextState::DoLineWidth(GLfloat width) const { |
315 glLineWidth( | 305 glLineWidth( |
316 std::min(std::max(width, line_width_min_), line_width_max_)); | 306 std::min(std::max(width, line_width_min_), line_width_max_)); |
317 } | 307 } |
318 | 308 |
319 void ContextState::RestoreBufferBinding(unsigned int target) const { | 309 void ContextState::RestoreBufferBinding(unsigned int target) const { |
piman
2017/04/04 00:27:25
If we are not going to implement the other targets
Chandan
2017/04/04 12:14:00
I did not add other targets in BufferTargetIsSuppo
| |
320 if (BufferTargetIsSupported(target)) | 310 glBindBuffer(target, GetBufferId(bound_array_buffer.get())); |
321 glBindBuffer(target, GetBufferId(bound_array_buffer.get())); | |
322 } | 311 } |
323 | 312 |
324 void ContextState::RestoreBufferBindings() const { | 313 void ContextState::RestoreBufferBindings() const { |
325 if (vertex_attrib_manager.get()) { | 314 if (vertex_attrib_manager.get()) { |
326 Buffer* element_array_buffer = | 315 Buffer* element_array_buffer = |
327 vertex_attrib_manager->element_array_buffer(); | 316 vertex_attrib_manager->element_array_buffer(); |
328 glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, GetBufferId(element_array_buffer)); | 317 glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, GetBufferId(element_array_buffer)); |
329 } | 318 } |
330 glBindBuffer(GL_ARRAY_BUFFER, GetBufferId(bound_array_buffer.get())); | 319 glBindBuffer(GL_ARRAY_BUFFER, GetBufferId(bound_array_buffer.get())); |
331 if (feature_info_->IsES3Capable()) { | 320 if (feature_info_->IsES3Capable()) { |
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728 UpdateUnpackParameters(); | 717 UpdateUnpackParameters(); |
729 } | 718 } |
730 | 719 |
731 // Include the auto-generated part of this file. We split this because it means | 720 // Include the auto-generated part of this file. We split this because it means |
732 // we can easily edit the non-auto generated parts right here in this file | 721 // we can easily edit the non-auto generated parts right here in this file |
733 // instead of having to edit some template or the code generator. | 722 // instead of having to edit some template or the code generator. |
734 #include "gpu/command_buffer/service/context_state_impl_autogen.h" | 723 #include "gpu/command_buffer/service/context_state_impl_autogen.h" |
735 | 724 |
736 } // namespace gles2 | 725 } // namespace gles2 |
737 } // namespace gpu | 726 } // namespace gpu |
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