ui/gl/gl_switches.cc

   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
   3 // found in the LICENSE file.
   4
   5 #include "ui/gl/gl_switches.h"
   6 #include "base/basictypes.h"
   7
   8 namespace gfx {
   9
  10 const char kGLImplementationDesktopName[]     = "desktop";
  11 const char kGLImplementationOSMesaName[]      = "osmesa";
  12 const char kGLImplementationAppleName[]       = "apple";
  13 const char kGLImplementationEGLName[]         = "egl";
  14 const char kGLImplementationSwiftShaderName[] = "swiftshader";
  15 const char kGLImplementationMockName[]        = "mock";
  16
  17 }  // namespace gfx
  18
  19 namespace switches {
  20
  21 // Disables use of D3D11.
  22 const char kDisableD3D11[]                  = "disable-d3d11";
  23
  24 // Stop the GPU from synchronizing on the vsync before presenting.
  25 const char kDisableGpuVsync[]               = "disable-gpu-vsync";
  26
  27 // Turns on GPU logging (debug build only).
  28 const char kEnableGPUServiceLogging[]       = "enable-gpu-service-logging";
  29
  30 // Turns on calling TRACE for every GL call.
  31 const char kEnableGPUServiceTracing[]       = "enable-gpu-service-tracing";
  32
  33 // Select which implementation of GL the GPU process should use. Options are:
  34 //  desktop: whatever desktop OpenGL the user has installed (Linux and Mac
  35 //           default).
  36 //  egl: whatever EGL / GLES2 the user has installed (Windows default - actually
  37 //       ANGLE).
  38 //  osmesa: The OSMesa software renderer.
  39 const char kUseGL[]                         = "use-gl";
  40
  41 const char kSwiftShaderPath[]               = "swiftshader-path";
  42
  43 // Inform Chrome that a GPU context will not be lost in power saving mode,
  44 // screen saving mode, etc.  Note that this flag does not ensure that a GPU
  45 // context will never be lost in any situations, say, a GPU reset.
  46 const char kGpuNoContextLost[]              = "gpu-no-context-lost";
  47
  48 // Indicates whether the dual GPU switching is supported or not.
  49 const char kSupportsDualGpus[]              = "supports-dual-gpus";
  50
  51 // Flag used for Linux tests: for desktop GL bindings, try to load this GL
  52 // library first, but fall back to regular library if loading fails.
  53 const char kTestGLLib[]                     = "test-gl-lib";
  54
  55 // Use hardware gpu, if available, for tests.
  56 const char kUseGpuInTests[] = "use-gpu-in-tests";
  57
  58 // On Windows only: use the WARP software rasterizer in the GPU process.
  59 const char kUseWarp[] = "use-warp";
  60
  61 // Enable OpenGL ES 3 APIs without proper service side validation.
  62 const char kEnableUnsafeES3APIs[] = "enable-unsafe-es3-apis";
  63
  64 // Disables GL drawing operations which produce pixel output. With this
  65 // the GL output will not be correct but tests will run faster.
  66 const char kDisableGLDrawingForTests[] = "disable-gl-drawing-for-tests";
  67
  68 // Forces the use of OSMesa instead of hardware gpu.
  69 const char kOverrideUseGLWithOSMesaForTests[] =
  70     "override-use-gl-with-osmesa-for-tests";
  71
  72 // This is the list of switches passed from this file that are passed from the
  73 // GpuProcessHost to the GPU Process. Add your switch to this list if you need
  74 // to read it in the GPU process, else don't add it.
  75 const char* kGLSwitchesCopiedFromGpuProcessHost[] = {
  76   kDisableGpuVsync,
  77   kDisableD3D11,
  78   kEnableGPUServiceLogging,
  79   kEnableGPUServiceTracing,
  80   kEnableUnsafeES3APIs,
  81   kGpuNoContextLost,
  82   kDisableGLDrawingForTests,
  83   kOverrideUseGLWithOSMesaForTests,
  84   kUseWarp,
  85 };
  86 const int kGLSwitchesCopiedFromGpuProcessHostNumSwitches =
  87     arraysize(kGLSwitchesCopiedFromGpuProcessHost);
  88
  89 }  // namespace switches
  90