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1 // Copyright 2010 The Chromium Authors. All rights reserved. | 1 // Copyright 2010 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 "cc/output/gl_renderer.h" | 5 #include "cc/output/gl_renderer.h" |
6 | 6 |
7 #include <algorithm> | 7 #include <algorithm> |
8 #include <set> | 8 #include <set> |
9 #include <string> | 9 #include <string> |
10 #include <vector> | 10 #include <vector> |
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133 else | 133 else |
134 capabilities_.using_accelerated_painting = false; | 134 capabilities_.using_accelerated_painting = false; |
135 | 135 |
136 capabilities_.using_partial_swap = | 136 capabilities_.using_partial_swap = |
137 Settings().partial_swap_enabled && | 137 Settings().partial_swap_enabled && |
138 extensions.count("GL_CHROMIUM_post_sub_buffer"); | 138 extensions.count("GL_CHROMIUM_post_sub_buffer"); |
139 | 139 |
140 // Use the SwapBuffers callback only with the threaded proxy. | 140 // Use the SwapBuffers callback only with the threaded proxy. |
141 if (client_->HasImplThread()) | 141 if (client_->HasImplThread()) |
142 capabilities_.using_swap_complete_callback = | 142 capabilities_.using_swap_complete_callback = |
143 extensions.count("GL_CHROMIUM_swapbuffers_complete_callback"); | 143 extensions.count("GL_CHROMIUM_swapbuffers_complete_callback") > 0; |
144 if (capabilities_.using_swap_complete_callback) | 144 if (capabilities_.using_swap_complete_callback) |
145 context_->setSwapBuffersCompleteCallbackCHROMIUM(this); | 145 context_->setSwapBuffersCompleteCallbackCHROMIUM(this); |
146 | 146 |
147 capabilities_.using_set_visibility = | 147 capabilities_.using_set_visibility = |
148 extensions.count("GL_CHROMIUM_set_visibility"); | 148 extensions.count("GL_CHROMIUM_set_visibility") > 0; |
149 | 149 |
150 if (extensions.count("GL_CHROMIUM_iosurface")) | 150 if (extensions.count("GL_CHROMIUM_iosurface") > 0) |
151 DCHECK(extensions.count("GL_ARB_texture_rectangle")); | 151 DCHECK(extensions.count("GL_ARB_texture_rectangle") > 0); |
152 | 152 |
153 capabilities_.using_gpu_memory_manager = | 153 capabilities_.using_gpu_memory_manager = |
154 extensions.count("GL_CHROMIUM_gpu_memory_manager") && | 154 extensions.count("GL_CHROMIUM_gpu_memory_manager") > 0 && |
155 Settings().use_memory_management; | 155 Settings().use_memory_management; |
156 if (capabilities_.using_gpu_memory_manager) | 156 if (capabilities_.using_gpu_memory_manager) |
157 context_->setMemoryAllocationChangedCallbackCHROMIUM(this); | 157 context_->setMemoryAllocationChangedCallbackCHROMIUM(this); |
158 | 158 |
159 capabilities_.using_egl_image = extensions.count("GL_OES_EGL_image_external"); | 159 capabilities_.using_egl_image = |
| 160 extensions.count("GL_OES_EGL_image_external") > 0; |
160 | 161 |
161 capabilities_.max_texture_size = resource_provider_->max_texture_size(); | 162 capabilities_.max_texture_size = resource_provider_->max_texture_size(); |
162 capabilities_.best_texture_format = resource_provider_->best_texture_format(); | 163 capabilities_.best_texture_format = resource_provider_->best_texture_format(); |
163 | 164 |
164 // The updater can access textures while the GLRenderer is using them. | 165 // The updater can access textures while the GLRenderer is using them. |
165 capabilities_.allow_partial_texture_updates = true; | 166 capabilities_.allow_partial_texture_updates = true; |
166 | 167 |
167 // Check for texture fast paths. Currently we always use MO8 textures, | 168 // Check for texture fast paths. Currently we always use MO8 textures, |
168 // so we only need to avoid POT textures if we have an NPOT fast-path. | 169 // so we only need to avoid POT textures if we have an NPOT fast-path. |
169 capabilities_.avoid_pow2_textures = | 170 capabilities_.avoid_pow2_textures = |
170 extensions.count("GL_CHROMIUM_fast_NPOT_MO8_textures"); | 171 extensions.count("GL_CHROMIUM_fast_NPOT_MO8_textures") > 0; |
171 | 172 |
172 capabilities_.using_offscreen_context3d = true; | 173 capabilities_.using_offscreen_context3d = true; |
173 | 174 |
174 is_using_bind_uniform_ = | 175 is_using_bind_uniform_ = |
175 extensions.count("GL_CHROMIUM_bind_uniform_location"); | 176 extensions.count("GL_CHROMIUM_bind_uniform_location") > 0; |
176 | 177 |
177 // Make sure scissoring starts as disabled. | 178 // Make sure scissoring starts as disabled. |
178 GLC(context_, context_->disable(GL_SCISSOR_TEST)); | 179 GLC(context_, context_->disable(GL_SCISSOR_TEST)); |
179 DCHECK(!is_scissor_enabled_); | 180 DCHECK(!is_scissor_enabled_); |
180 | 181 |
181 if (!InitializeSharedObjects()) | 182 if (!InitializeSharedObjects()) |
182 return false; | 183 return false; |
183 | 184 |
184 // Make sure the viewport and context gets initialized, even if it is to zero. | 185 // Make sure the viewport and context gets initialized, even if it is to zero. |
185 ViewportChanged(); | 186 ViewportChanged(); |
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2452 resource_provider_->DeleteResource(on_demand_tile_raster_resource_id_); | 2453 resource_provider_->DeleteResource(on_demand_tile_raster_resource_id_); |
2453 | 2454 |
2454 ReleaseRenderPassTextures(); | 2455 ReleaseRenderPassTextures(); |
2455 } | 2456 } |
2456 | 2457 |
2457 bool GLRenderer::IsContextLost() { | 2458 bool GLRenderer::IsContextLost() { |
2458 return (context_->getGraphicsResetStatusARB() != GL_NO_ERROR); | 2459 return (context_->getGraphicsResetStatusARB() != GL_NO_ERROR); |
2459 } | 2460 } |
2460 | 2461 |
2461 } // namespace cc | 2462 } // namespace cc |
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