Change CHROMIUM_image declarations to support multi planar input.

gpu/command_buffer/service/image_factory.h

Index: gpu/command_buffer/service/image_factory.h
diff --git a/gpu/command_buffer/service/image_factory.h b/gpu/command_buffer/service/image_factory.h
index b5813421945636813d2e72aecb775420bfa9953e..dac82215cb462531a2777161a7d143dfa410eada 100644
--- a/gpu/command_buffer/service/image_factory.h
+++ b/gpu/command_buffer/service/image_factory.h
@@ -21,19 +21,31 @@ class GPU_EXPORT ImageFactory {
  public:
   ImageFactory();
 
-  // Returns a valid GpuMemoryBuffer format given a valid internalformat as
-  // defined by CHROMIUM_gpu_memory_buffer_image.
+  // Returns true if |internalformat| is supported.
+  static bool IsImageFormatSupported(unsigned internalformat);
+
+  // Returns the number of GpuMemoryBuffers used for planes when given a valid
+  // |internalformat| as defined by CHROMIUM_gpu_memory_buffer_image.
+  static size_t NumberOfPlanesForImageFormat(unsigned internalformat);
+
+  // Returns a valid GpuMemoryBuffer format given a valid |internalformat| as
+  // defined by CHROMIUM_gpu_memory_buffer_image, and |plane| representing the
+  // zero-based index of the plane in a multiple planar format. If single
+  // planar, |plane| is expected to be 0.
   static gfx::GpuMemoryBuffer::Format ImageFormatToGpuMemoryBufferFormat(
-      unsigned internalformat);
+      unsigned internalformat, size_t plane);
 
   // Returns a valid GpuMemoryBuffer usage given a valid usage as defined by
   // CHROMIUM_gpu_memory_buffer_image.
   static gfx::GpuMemoryBuffer::Usage ImageUsageToGpuMemoryBufferUsage(
       unsigned usage);
 
-  // Returns true if |internalformat| is compatible with |format|.
+  // Returns true if |internalformat| is compatible with |format| at position
+  // |plane| which is the zero-based index of the plane in a multiple planar
+  // format. If single planar, |plane| is expected to be 0.
   static bool IsImageFormatCompatibleWithGpuMemoryBufferFormat(
       unsigned internalformat,
+      size_t plane,
       gfx::GpuMemoryBuffer::Format format);
 
   // Returns true if |format| is supported by |capabilities|.
@@ -49,10 +61,10 @@ class GPU_EXPORT ImageFactory {
   // Creates a GLImage instance for GPU memory buffer identified by |handle|.
   // |client_id| should be set to the client requesting the creation of instance
   // and can be used by factory implementation to verify access rights.
-  virtual scoped_refptr<gfx::GLImage> CreateImageForGpuMemoryBuffer(
-      const gfx::GpuMemoryBufferHandle& handle,
+  virtual scoped_refptr<gfx::GLImage> CreateImageForGpuMemoryBuffers(
+      const std::vector<gfx::GpuMemoryBufferHandle>& handles,
       const gfx::Size& size,
-      gfx::GpuMemoryBuffer::Format format,
+      const std::vector<gfx::GpuMemoryBuffer::Format>& formats,
       unsigned internalformat,
       int client_id) = 0;