| // Copyright 2014 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 |