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Issue 710393003: Revert of Allow Windows to use system Vsync for a single window each swap (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Created 6 years, 1 month ago
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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 "ui/gl/gl_context_egl.h" 5 #include "ui/gl/gl_context_egl.h"
6 6
7 #include "base/debug/trace_event.h" 7 #include "base/debug/trace_event.h"
8 #include "base/logging.h" 8 #include "base/logging.h"
9 #include "base/memory/scoped_ptr.h" 9 #include "base/memory/scoped_ptr.h"
10 #include "build/build_config.h" 10 #include "build/build_config.h"
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176 DCHECK(IsCurrent(NULL) && GLSurface::GetCurrent()); 176 DCHECK(IsCurrent(NULL) && GLSurface::GetCurrent());
177 177
178 // This is a surfaceless context. eglSwapInterval doesn't take any effect in 178 // This is a surfaceless context. eglSwapInterval doesn't take any effect in
179 // this case and will just return EGL_BAD_SURFACE. 179 // this case and will just return EGL_BAD_SURFACE.
180 if (GLSurface::GetCurrent()->IsSurfaceless()) 180 if (GLSurface::GetCurrent()->IsSurfaceless())
181 return; 181 return;
182 182
183 if (!eglSwapInterval(display_, interval)) { 183 if (!eglSwapInterval(display_, interval)) {
184 LOG(ERROR) << "eglSwapInterval failed with error " 184 LOG(ERROR) << "eglSwapInterval failed with error "
185 << GetLastEGLErrorString(); 185 << GetLastEGLErrorString();
186 } else {
187 GLSurface::GetCurrent()->SetSwapInterval(interval);
188 } 186 }
189 } 187 }
190 188
191 std::string GLContextEGL::GetExtensions() { 189 std::string GLContextEGL::GetExtensions() {
192 const char* extensions = eglQueryString(display_, 190 const char* extensions = eglQueryString(display_,
193 EGL_EXTENSIONS); 191 EGL_EXTENSIONS);
194 if (!extensions) 192 if (!extensions)
195 return GLContext::GetExtensions(); 193 return GLContext::GetExtensions();
196 194
197 return GLContext::GetExtensions() + " " + extensions; 195 return GLContext::GetExtensions() + " " + extensions;
198 } 196 }
199 197
200 bool GLContextEGL::WasAllocatedUsingRobustnessExtension() { 198 bool GLContextEGL::WasAllocatedUsingRobustnessExtension() {
201 return GLSurfaceEGL::IsCreateContextRobustnessSupported(); 199 return GLSurfaceEGL::IsCreateContextRobustnessSupported();
202 } 200 }
203 201
204 GLContextEGL::~GLContextEGL() { 202 GLContextEGL::~GLContextEGL() {
205 Destroy(); 203 Destroy();
206 } 204 }
207 205
208 #if !defined(OS_ANDROID) 206 #if !defined(OS_ANDROID)
209 bool GLContextEGL::GetTotalGpuMemory(size_t* bytes) { 207 bool GLContextEGL::GetTotalGpuMemory(size_t* bytes) {
210 DCHECK(bytes); 208 DCHECK(bytes);
211 *bytes = 0; 209 *bytes = 0;
212 return false; 210 return false;
213 } 211 }
214 #endif 212 #endif
215 213
216 } // namespace gfx 214 } // namespace gfx
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