Add DIRECT_COMPOSITION GpuMemoryBuffer type.

gpu/ipc/common/gpu_memory_buffer_support.cc

Index: gpu/ipc/common/gpu_memory_buffer_support.cc
diff --git a/gpu/ipc/common/gpu_memory_buffer_support.cc b/gpu/ipc/common/gpu_memory_buffer_support.cc
index 77f98359d26a34b845720227545aeb54bdcaf1bf..76a2bd27533a88dc34a10d55f760469a1ade518d 100644
--- a/gpu/ipc/common/gpu_memory_buffer_support.cc
+++ b/gpu/ipc/common/gpu_memory_buffer_support.cc
@@ -20,7 +20,11 @@ gfx::GpuMemoryBufferType GetNativeGpuMemoryBufferType() {
 #if defined(OS_LINUX)
   return gfx::NATIVE_PIXMAP;
 #endif
+#if defined(OS_WIN)
+  return gfx::DIRECT_COMPOSITION;
+#else
   return gfx::EMPTY_BUFFER;
+#endif
 }
 
 bool IsNativeGpuMemoryBufferConfigurationSupported(gfx::BufferFormat format,
@@ -42,6 +46,8 @@ bool IsNativeGpuMemoryBufferConfigurationSupported(gfx::BufferFormat format,
              format == gfx::BufferFormat::RGBA_F16 ||
              format == gfx::BufferFormat::UYVY_422 ||
              format == gfx::BufferFormat::YUV_420_BIPLANAR;
+    case gfx::BufferUsage::SCANOUT_ASYNC:
+      return false;
   }
   NOTREACHED();
   return false;
@@ -56,8 +62,26 @@ bool IsNativeGpuMemoryBufferConfigurationSupported(gfx::BufferFormat format,
       ->IsConfigurationSupported(format, usage);
 #endif
 
-  NOTREACHED();
+#if defined(OS_WIN)
+  switch (usage) {
+    case gfx::BufferUsage::SCANOUT:
+    case gfx::BufferUsage::SCANOUT_ASYNC:
+      return format == gfx::BufferFormat::BGRA_8888 ||
+             format == gfx::BufferFormat::RGBA_8888 ||
+             format == gfx::BufferFormat::BGRX_8888 ||
+             format == gfx::BufferFormat::BGRA_8888;
+    case gfx::BufferUsage::GPU_READ:
+    case gfx::BufferUsage::SCANOUT_CPU_READ_WRITE:
+    case gfx::BufferUsage::GPU_READ_CPU_READ_WRITE:
+    case gfx::BufferUsage::GPU_READ_CPU_READ_WRITE_PERSISTENT:
+      return false;
+  }
+#endif
+
   return false;
+
+  // NOTREACHED();
+  //  return false;
 }
 
 }  // namespace gpu