tor-browser

The Tor Browser
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GLContextProviderLinux.cpp (2109B)

      1 /* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
      2 /* This Source Code Form is subject to the terms of the Mozilla Public
      3 * License, v. 2.0. If a copy of the MPL was not distributed with this
      4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
      5 
      6 #include "prenv.h"
      7 
      8 #include "GLContextProvider.h"
      9 #include "mozilla/gfx/gfxVars.h"
     10 
     11 namespace mozilla::gl {
     12 
     13 using namespace mozilla::gfx;
     14 using namespace mozilla::widget;
     15 
     16 #ifdef MOZ_X11
     17 static class GLContextProviderGLX sGLContextProviderGLX;
     18 #endif
     19 static class GLContextProviderEGL sGLContextProviderEGL;
     20 
     21 already_AddRefed<GLContext> GLContextProviderLinux::CreateForCompositorWidget(
     22    CompositorWidget* aCompositorWidget, bool aHardwareWebRender,
     23    bool aForceAccelerated) {
     24  if (gfxVars::UseEGL()) {
     25    return sGLContextProviderEGL.CreateForCompositorWidget(
     26        aCompositorWidget, aHardwareWebRender, aForceAccelerated);
     27 #ifdef MOZ_X11
     28  } else {
     29    return sGLContextProviderGLX.CreateForCompositorWidget(
     30        aCompositorWidget, aHardwareWebRender, aForceAccelerated);
     31 #endif
     32  }
     33 }
     34 
     35 /*static*/
     36 already_AddRefed<GLContext> GLContextProviderLinux::CreateHeadless(
     37    const GLContextCreateDesc& desc, nsACString* const out_failureId) {
     38  if (gfxVars::UseEGL() ||
     39      bool(desc.flags & CreateContextFlags::FORBID_HARDWARE)) {
     40    // We request EGL if software is required, because we don't know
     41    // what X11 is using. It could be software or hardware.
     42    return sGLContextProviderEGL.CreateHeadless(desc, out_failureId);
     43 #ifdef MOZ_X11
     44  } else {
     45    return sGLContextProviderGLX.CreateHeadless(desc, out_failureId);
     46 #endif
     47  }
     48 }
     49 
     50 /*static*/
     51 GLContext* GLContextProviderLinux::GetGlobalContext() {
     52  if (gfxVars::UseEGL()) {
     53    return sGLContextProviderEGL.GetGlobalContext();
     54 #ifdef MOZ_X11
     55  } else {
     56    return sGLContextProviderGLX.GetGlobalContext();
     57 #endif
     58  }
     59 }
     60 
     61 /*static*/
     62 void GLContextProviderLinux::Shutdown() {
     63  if (gfxVars::UseEGL()) {
     64    sGLContextProviderEGL.Shutdown();
     65 #ifdef MOZ_X11
     66  } else {
     67    sGLContextProviderGLX.Shutdown();
     68 #endif
     69  }
     70 }
     71 
     72 }  // namespace mozilla::gl