Allow creating a gpu channel that uses software rendering

Where supported (on ANGLE with EGL_ANGLE_software_display), allow for the creation of gpu channels that use software rendering instead of hardware rendering.

BUG=
TEST=trybots, other later tests

Review URL: http://codereview.chromium.org/7383004

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@93393 0039d316-1c4b-4281-b951-d872f2087c98

5 files changed, 13 insertions, 6 deletions

diff --git a/gpu/command_buffer/client/gles2_demo.cc b/gpu/command_buffer/client/gles2_demo.cc
index c9595df..f981b1b 100644
--- a/gpu/command_buffer/client/gles2_demo.cc
+++ b/gpu/command_buffer/client/gles2_demo.cc
@@ -61,6 +61,7 @@ bool GLES2Demo::Setup(void* hwnd, int32 size) {
                                                  NULL);
   if (!gpu_scheduler->Initialize(reinterpret_cast<HWND>(hwnd),
                                  gfx::Size(),
+                                 false,
                                  gpu::gles2::DisallowedExtensions(),
                                  NULL,
                                  std::vector<int32>(),
diff --git a/gpu/command_buffer/service/gpu_scheduler.h b/gpu/command_buffer/service/gpu_scheduler.h
index eedae30..d34e67f 100644
--- a/gpu/command_buffer/service/gpu_scheduler.h
+++ b/gpu/command_buffer/service/gpu_scheduler.h
@@ -63,6 +63,7 @@ class GpuScheduler : public CommandBufferEngine {
   // Perform platform specific and common initialization.
   bool Initialize(gfx::PluginWindowHandle hwnd,
                   const gfx::Size& size,
+                  bool software,
                   const gles2::DisallowedExtensions& disallowed_extensions,
                   const char* allowed_extensions,
                   const std::vector<int32>& attribs,
diff --git a/gpu/command_buffer/service/gpu_scheduler_linux.cc b/gpu/command_buffer/service/gpu_scheduler_linux.cc
index 1c6c8e9..fcbbd65 100644
--- a/gpu/command_buffer/service/gpu_scheduler_linux.cc
+++ b/gpu/command_buffer/service/gpu_scheduler_linux.cc
@@ -21,6 +21,7 @@ namespace gpu {
 bool GpuScheduler::Initialize(
     gfx::PluginWindowHandle window,
     const gfx::Size& size,
+    bool software,
     const gles2::DisallowedExtensions& disallowed_extensions,
     const char* allowed_extensions,
     const std::vector<int32>& attribs,
@@ -28,12 +29,13 @@ bool GpuScheduler::Initialize(
   // Create either a view or pbuffer based GLSurface.
   scoped_refptr<gfx::GLSurface> surface;
 #if defined(TOUCH_UI)
-  surface = gfx::GLSurface::CreateOffscreenGLSurface(gfx::Size(1, 1));
+  surface = gfx::GLSurface::CreateOffscreenGLSurface(software, gfx::Size(1, 1));
 #else
   if (window)
-    surface = gfx::GLSurface::CreateViewGLSurface(window);
+    surface = gfx::GLSurface::CreateViewGLSurface(software, window);
   else
-    surface = gfx::GLSurface::CreateOffscreenGLSurface(gfx::Size(1, 1));
+    surface = gfx::GLSurface::CreateOffscreenGLSurface(software,
+                                                       gfx::Size(1, 1));
 #endif
 
   if (!surface.get()) {
diff --git a/gpu/command_buffer/service/gpu_scheduler_mac.cc b/gpu/command_buffer/service/gpu_scheduler_mac.cc
index 2835088..cfa0d5c 100644
--- a/gpu/command_buffer/service/gpu_scheduler_mac.cc
+++ b/gpu/command_buffer/service/gpu_scheduler_mac.cc
@@ -14,12 +14,13 @@ namespace gpu {
 bool GpuScheduler::Initialize(
     gfx::PluginWindowHandle window,
     const gfx::Size& size,
+    bool software,
     const gles2::DisallowedExtensions& disallowed_extensions,
     const char* allowed_extensions,
     const std::vector<int32>& attribs,
     gfx::GLShareGroup* share_group) {
   scoped_refptr<gfx::GLSurface> surface(
-      gfx::GLSurface::CreateOffscreenGLSurface(gfx::Size(1, 1)));
+      gfx::GLSurface::CreateOffscreenGLSurface(software, gfx::Size(1, 1)));
   if (!surface.get()) {
     LOG(ERROR) << "CreateOffscreenGLSurface failed.\n";
     Destroy();
diff --git a/gpu/command_buffer/service/gpu_scheduler_win.cc b/gpu/command_buffer/service/gpu_scheduler_win.cc
index 20e5382..84f2b83 100644
--- a/gpu/command_buffer/service/gpu_scheduler_win.cc
+++ b/gpu/command_buffer/service/gpu_scheduler_win.cc
@@ -16,6 +16,7 @@ namespace gpu {
 bool GpuScheduler::Initialize(
     gfx::PluginWindowHandle window,
     const gfx::Size& size,
+    bool software,
     const gles2::DisallowedExtensions& disallowed_extensions,
     const char* allowed_extensions,
     const std::vector<int32>& attribs,
@@ -23,9 +24,10 @@ bool GpuScheduler::Initialize(
   // Create either a view or pbuffer based GLSurface.
   scoped_refptr<gfx::GLSurface> surface;
   if (window) {
-    surface = gfx::GLSurface::CreateViewGLSurface(window);
+    surface = gfx::GLSurface::CreateViewGLSurface(software, window);
   } else {
-    surface = gfx::GLSurface::CreateOffscreenGLSurface(gfx::Size(1, 1));
+    surface = gfx::GLSurface::CreateOffscreenGLSurface(software,
+                                                       gfx::Size(1, 1));
   }
 
   if (!surface.get()) {