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 const char kANGLEImplementationDefaultName[]  = "default";
  18 const char kANGLEImplementationD3D9Name[]     = "d3d9";
  19 const char kANGLEImplementationD3D11Name[]    = "d3d11";
  20 const char kANGLEImplementationWARPName[]     = "warp";
  21 const char kANGLEImplementationOpenGLName[]   = "gl";
  22 const char kANGLEImplementationOpenGLESName[] = "gles";
  23
  24 }  // namespace gfx
  25
  26 namespace switches {
  27
  28 // Disables use of D3D11.
  29 const char kDisableD3D11[]                  = "disable-d3d11";
  30
  31 // Stop the GPU from synchronizing on the vsync before presenting.
  32 const char kDisableGpuVsync[]               = "disable-gpu-vsync";
  33
  34 // Turns on GPU logging (debug build only).
  35 const char kEnableGPUServiceLogging[]       = "enable-gpu-service-logging";
  36
  37 // Turns on calling TRACE for every GL call.
  38 const char kEnableGPUServiceTracing[]       = "enable-gpu-service-tracing";
  39
  40 // Select which ANGLE backend to use. Options are:
  41 //  default: Attempts several ANGLE renderers until one successfully
  42 //           initializes, varying ES support by platform.
  43 //  d3d9: Legacy D3D9 renderer, ES2 only.
  44 //  d3d11: D3D11 renderer, ES2 and ES3.
  45 //  warp: D3D11 renderer using software rasterization, ES2 and ES3.
  46 //  gl: Desktop GL renderer, ES2 and ES3.
  47 //  gles: GLES renderer, ES2 and ES3.
  48 const char kUseANGLE[]                      = "use-angle";
  49
  50 // Select which implementation of GL the GPU process should use. Options are:
  51 //  desktop: whatever desktop OpenGL the user has installed (Linux and Mac
  52 //           default).
  53 //  egl: whatever EGL / GLES2 the user has installed (Windows default - actually
  54 //       ANGLE).
  55 //  osmesa: The OSMesa software renderer.
  56 const char kUseGL[]                         = "use-gl";
  57
  58 const char kSwiftShaderPath[]               = "swiftshader-path";
  59
  60 // Inform Chrome that a GPU context will not be lost in power saving mode,
  61 // screen saving mode, etc.  Note that this flag does not ensure that a GPU
  62 // context will never be lost in any situations, say, a GPU reset.
  63 const char kGpuNoContextLost[]              = "gpu-no-context-lost";
  64
  65 // Indicates whether the dual GPU switching is supported or not.
  66 const char kSupportsDualGpus[]              = "supports-dual-gpus";
  67
  68 // Flag used for Linux tests: for desktop GL bindings, try to load this GL
  69 // library first, but fall back to regular library if loading fails.
  70 const char kTestGLLib[]                     = "test-gl-lib";
  71
  72 // Use hardware gpu, if available, for tests.
  73 const char kUseGpuInTests[] = "use-gpu-in-tests";
  74
  75 // Enable OpenGL ES 3 APIs without proper service side validation.
  76 const char kEnableUnsafeES3APIs[] = "enable-unsafe-es3-apis";
  77
  78 // Disables GL drawing operations which produce pixel output. With this
  79 // the GL output will not be correct but tests will run faster.
  80 const char kDisableGLDrawingForTests[] = "disable-gl-drawing-for-tests";
  81
  82 // Forces the use of OSMesa instead of hardware gpu.
  83 const char kOverrideUseGLWithOSMesaForTests[] =
  84     "override-use-gl-with-osmesa-for-tests";
  85
  86 // Disables specified comma separated GL Extensions if found.
  87 const char kDisableGLExtensions[] = "disable-gl-extensions";
  88
  89 // This is the list of switches passed from this file that are passed from the
  90 // GpuProcessHost to the GPU Process. Add your switch to this list if you need
  91 // to read it in the GPU process, else don't add it.
  92 const char* kGLSwitchesCopiedFromGpuProcessHost[] = {
  93   kDisableGpuVsync,
  94   kDisableD3D11,
  95   kEnableGPUServiceLogging,
  96   kEnableGPUServiceTracing,
  97   kEnableUnsafeES3APIs,
  98   kGpuNoContextLost,
  99   kDisableGLDrawingForTests,
 100   kOverrideUseGLWithOSMesaForTests,
 101   kUseANGLE,
 102 };
 103 const int kGLSwitchesCopiedFromGpuProcessHostNumSwitches =
 104     arraysize(kGLSwitchesCopiedFromGpuProcessHost);
 105
 106 }  // namespace switches
 107