Index: content/common/gpu/image_transport_surface_mac.h |
diff --git a/content/common/gpu/image_transport_surface_mac.h b/content/common/gpu/image_transport_surface_mac.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..78c68ed06226a3e9ccda2c73fd620d4fe2854350 |
--- /dev/null |
+++ b/content/common/gpu/image_transport_surface_mac.h |
@@ -0,0 +1,114 @@ |
+// 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. |
+ |
+#ifndef CONTENT_COMMON_GPU_IMAGE_TRANSPORT_SURFACE_MAC_H_ |
+#define CONTENT_COMMON_GPU_IMAGE_TRANSPORT_SURFACE_MAC_H_ |
+ |
+#include "base/mac/scoped_cftyperef.h" |
+#include "base/memory/scoped_ptr.h" |
+#include "content/common/gpu/gpu_command_buffer_stub.h" |
+#include "content/common/gpu/image_transport_surface.h" |
+#include "ui/gl/gl_bindings.h" |
+ |
+struct GpuHostMsg_AcceleratedSurfaceBuffersSwapped_Params; |
+struct GpuHostMsg_AcceleratedSurfacePostSubBuffer_Params; |
+ |
+namespace content { |
+ |
+// We are backed by an offscreen surface for the purposes of creating |
+// a context, but use FBOs to render to texture backed IOSurface |
+class ImageTransportSurfaceFBO |
+ : public gfx::GLSurface, |
+ public ImageTransportSurface, |
+ public GpuCommandBufferStub::DestructionObserver { |
+ public: |
+ class StorageProvider { |
+ public: |
+ virtual ~StorageProvider() {} |
+ virtual gfx::Size GetRoundedSize(gfx::Size size) = 0; |
+ virtual bool AllocateColorBufferStorage( |
+ CGLContextObj context, gfx::Size size) = 0; |
+ virtual void FreeColorBufferStorage() = 0; |
+ virtual void PopulateSwapBuffersStorageParams( |
+ GpuHostMsg_AcceleratedSurfaceBuffersSwapped_Params* params) = 0; |
+ virtual void PopulateSubBufferStorageParams( |
+ GpuHostMsg_AcceleratedSurfacePostSubBuffer_Params* params) = 0; |
+ }; |
+ |
+ ImageTransportSurfaceFBO(StorageProvider* storage_provider, |
+ GpuChannelManager* manager, |
+ GpuCommandBufferStub* stub, |
+ gfx::PluginWindowHandle handle); |
+ |
+ // GLSurface implementation |
+ virtual bool Initialize() OVERRIDE; |
+ virtual void Destroy() OVERRIDE; |
+ virtual bool DeferDraws() OVERRIDE; |
+ virtual bool IsOffscreen() OVERRIDE; |
+ virtual bool SwapBuffers() OVERRIDE; |
+ virtual bool PostSubBuffer(int x, int y, int width, int height) OVERRIDE; |
+ virtual bool SupportsPostSubBuffer() OVERRIDE; |
+ virtual gfx::Size GetSize() OVERRIDE; |
+ virtual void* GetHandle() OVERRIDE; |
+ virtual bool OnMakeCurrent(gfx::GLContext* context) OVERRIDE; |
+ virtual unsigned int GetBackingFrameBufferObject() OVERRIDE; |
+ virtual bool SetBackbufferAllocation(bool allocated) OVERRIDE; |
+ virtual void SetFrontbufferAllocation(bool allocated) OVERRIDE; |
+ |
+ protected: |
+ // ImageTransportSurface implementation |
+ virtual void OnBufferPresented( |
+ const AcceleratedSurfaceMsg_BufferPresented_Params& params) OVERRIDE; |
+ virtual void OnResize(gfx::Size size, float scale_factor) OVERRIDE; |
+ virtual void SetLatencyInfo( |
+ const std::vector<ui::LatencyInfo>&) OVERRIDE; |
+ virtual void WakeUpGpu() OVERRIDE; |
+ |
+ // GpuCommandBufferStub::DestructionObserver implementation. |
+ virtual void OnWillDestroyStub() OVERRIDE; |
+ |
+ private: |
+ virtual ~ImageTransportSurfaceFBO() OVERRIDE; |
+ |
+ void AdjustBufferAllocation(); |
+ void DestroyFramebuffer(); |
+ void CreateFramebuffer(); |
+ |
+ scoped_ptr<StorageProvider> storage_provider_; |
+ |
+ // Tracks the current buffer allocation state. |
+ bool backbuffer_suggested_allocation_; |
+ bool frontbuffer_suggested_allocation_; |
+ |
+ uint32 fbo_id_; |
+ GLuint texture_id_; |
+ GLuint depth_stencil_renderbuffer_id_; |
+ bool has_complete_framebuffer_; |
+ |
+ // Weak pointer to the context that this was last made current to. |
+ gfx::GLContext* context_; |
+ |
+ gfx::Size size_; |
+ gfx::Size rounded_size_; |
+ float scale_factor_; |
+ |
+ // Whether or not we've successfully made the surface current once. |
+ bool made_current_; |
+ |
+ // Whether a SwapBuffers is pending. |
+ bool is_swap_buffers_pending_; |
+ |
+ // Whether we unscheduled command buffer because of pending SwapBuffers. |
+ bool did_unschedule_; |
+ |
+ std::vector<ui::LatencyInfo> latency_info_; |
+ |
+ scoped_ptr<ImageTransportHelper> helper_; |
+ |
+ DISALLOW_COPY_AND_ASSIGN(ImageTransportSurfaceFBO); |
+}; |
+ |
+} // namespace content |
+ |
+#endif // CONTENT_COMMON_GPU_IMAGE_TRANSPORT_SURFACE_MAC_H_ |