Index: content/common/gpu/image_transport_surface_mac.mm |
diff --git a/content/common/gpu/image_transport_surface_mac.mm b/content/common/gpu/image_transport_surface_mac.mm |
new file mode 100644 |
index 0000000000000000000000000000000000000000..7244f28dcdf9612016440d0ef830c726d87a65f8 |
--- /dev/null |
+++ b/content/common/gpu/image_transport_surface_mac.mm |
@@ -0,0 +1,74 @@ |
+// Copyright (c) 2012 The Chromium Authors. All rights reserved. |
+// Use of this source code is governed by a BSD-style license that can be |
+// found in the LICENSE file. |
+ |
+#include "content/common/gpu/image_transport_surface_fbo_mac.h" |
+ |
+#include "content/common/gpu/gpu_messages.h" |
+#include "content/common/gpu/image_transport_surface_iosurface_mac.h" |
+#include "ui/gfx/native_widget_types.h" |
+#include "ui/gl/gl_context.h" |
+#include "ui/gl/gl_implementation.h" |
+#include "ui/gl/gl_surface_osmesa.h" |
+ |
+namespace content { |
+namespace { |
+ |
+// A subclass of GLSurfaceOSMesa that doesn't print an error message when |
+// SwapBuffers() is called. |
+class DRTSurfaceOSMesa : public gfx::GLSurfaceOSMesa { |
+ public: |
+ // Size doesn't matter, the surface is resized to the right size later. |
+ DRTSurfaceOSMesa() : GLSurfaceOSMesa(GL_RGBA, gfx::Size(1, 1)) {} |
+ |
+ // Implement a subset of GLSurface. |
+ virtual bool SwapBuffers() OVERRIDE; |
+ |
+ private: |
+ virtual ~DRTSurfaceOSMesa() {} |
+ DISALLOW_COPY_AND_ASSIGN(DRTSurfaceOSMesa); |
+}; |
+ |
+bool DRTSurfaceOSMesa::SwapBuffers() { |
+ return true; |
+} |
+ |
+bool g_allow_os_mesa = false; |
+ |
+} // namespace |
+ |
+// static |
+scoped_refptr<gfx::GLSurface> ImageTransportSurface::CreateNativeSurface( |
+ GpuChannelManager* manager, |
+ GpuCommandBufferStub* stub, |
+ const gfx::GLSurfaceHandle& surface_handle) { |
+ DCHECK(surface_handle.transport_type == gfx::NATIVE_DIRECT || |
+ surface_handle.transport_type == gfx::NATIVE_TRANSPORT); |
+ |
+ switch (gfx::GetGLImplementation()) { |
+ case gfx::kGLImplementationDesktopGL: |
+ case gfx::kGLImplementationAppleGL: |
+ return scoped_refptr<gfx::GLSurface>(new ImageTransportSurfaceFBO( |
+ new IOSurfaceStorageProvider, manager, stub, surface_handle.handle)); |
+ default: |
+ // Content shell in DRT mode spins up a gpu process which needs an |
+ // image transport surface, but that surface isn't used to read pixel |
+ // baselines. So this is mostly a dummy surface. |
+ if (!g_allow_os_mesa) { |
+ NOTREACHED(); |
+ return scoped_refptr<gfx::GLSurface>(); |
+ } |
+ scoped_refptr<gfx::GLSurface> surface(new DRTSurfaceOSMesa()); |
+ if (!surface.get() || !surface->Initialize()) |
+ return surface; |
+ return scoped_refptr<gfx::GLSurface>(new PassThroughImageTransportSurface( |
+ manager, stub, surface.get())); |
+ } |
+} |
+ |
+// static |
+void ImageTransportSurface::SetAllowOSMesaForTesting(bool allow) { |
+ g_allow_os_mesa = allow; |
+} |
+ |
+} // namespace content |