ui/gl/test/gl_surface_test_support.cc

   1 // Copyright 2015 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/test/gl_surface_test_support.h"
   6
   7 #include "base/command_line.h"
   8 #include "base/logging.h"
   9 #include "ui/gl/gl_context.h"
  10 #include "ui/gl/gl_implementation.h"
  11 #include "ui/gl/gl_surface.h"
  12 #include "ui/gl/gl_switches.h"
  13
  14 #if defined(USE_X11)
  15 #include <X11/Xlib.h>
  16 #include "ui/platform_window/x11/x11_window.h"
  17 #endif
  18
  19 namespace gfx {
  20
  21 // static
  22 void GLSurfaceTestSupport::InitializeOneOff() {
  23   DCHECK_EQ(kGLImplementationNone, GetGLImplementation());
  24
  25 #if defined(USE_X11)
  26   XInitThreads();
  27   ui::test::SetUseOverrideRedirectWindowByDefault(true);
  28 #endif
  29
  30   bool use_osmesa = true;
  31
  32   // We usually use OSMesa as this works on all bots. The command line can
  33   // override this behaviour to use hardware GL.
  34   if (base::CommandLine::ForCurrentProcess()->HasSwitch(
  35           switches::kUseGpuInTests)) {
  36     use_osmesa = false;
  37   }
  38
  39 #if defined(OS_ANDROID)
  40   // On Android we always use hardware GL.
  41   use_osmesa = false;
  42 #endif
  43
  44   std::vector<GLImplementation> allowed_impls;
  45   GetAllowedGLImplementations(&allowed_impls);
  46   DCHECK(!allowed_impls.empty());
  47
  48   GLImplementation impl = allowed_impls[0];
  49   if (use_osmesa)
  50     impl = kGLImplementationOSMesaGL;
  51
  52   DCHECK(!base::CommandLine::ForCurrentProcess()->HasSwitch(switches::kUseGL))
  53       << "kUseGL has not effect in tests";
  54
  55   bool fallback_to_osmesa = false;
  56   bool gpu_service_logging = false;
  57   bool disable_gl_drawing = true;
  58
  59   CHECK(GLSurface::InitializeOneOffImplementation(
  60       impl, fallback_to_osmesa, gpu_service_logging, disable_gl_drawing));
  61 }
  62
  63 // static
  64 void GLSurfaceTestSupport::InitializeOneOffWithMockBindings() {
  65   DCHECK(!base::CommandLine::ForCurrentProcess()->HasSwitch(switches::kUseGL))
  66       << "kUseGL has not effect in tests";
  67
  68   // This method may be called multiple times in the same process to set up
  69   // mock bindings in different ways.
  70   ClearGLBindings();
  71
  72   bool fallback_to_osmesa = false;
  73   bool gpu_service_logging = false;
  74   bool disable_gl_drawing = false;
  75
  76   CHECK(GLSurface::InitializeOneOffImplementation(
  77       kGLImplementationMockGL, fallback_to_osmesa, gpu_service_logging,
  78       disable_gl_drawing));
  79 }
  80
  81 // static
  82 void GLSurfaceTestSupport::InitializeDynamicMockBindings(GLContext* context) {
  83   CHECK(InitializeDynamicGLBindings(kGLImplementationMockGL, context));
  84 }
  85
  86 }  // namespace gfx