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Unified Diff: content/common/gpu/client/gpu_memory_buffer_impl_foobar.h

Issue 186123006: zero copy - NOT FOR REVIEW Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: minus ui-map-image and ui-impl-side setting, plus tiled mode Created 6 years, 9 months ago
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Index: content/common/gpu/client/gpu_memory_buffer_impl_foobar.h
diff --git a/content/common/gpu/client/gpu_memory_buffer_impl_foobar.h b/content/common/gpu/client/gpu_memory_buffer_impl_foobar.h
new file mode 100644
index 0000000000000000000000000000000000000000..5a8e0838a2b2ebbb15b03897930f86c92e3d5283
--- /dev/null
+++ b/content/common/gpu/client/gpu_memory_buffer_impl_foobar.h
@@ -0,0 +1,39 @@
+// Copyright 2013 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_CLIENT_GPU_MEMORY_BUFFER_IMPL_FOOBAR_H_
+#define CONTENT_COMMON_GPU_CLIENT_GPU_MEMORY_BUFFER_IMPL_FOOBAR_H_
+
+#include "content/common/gpu/client/gpu_memory_buffer_impl.h"
+
+struct _drm_intel_bo;
+
+namespace content {
+
+// Provides implementation of a GPU memory buffer based
+// on a foobar object.
+class GpuMemoryBufferImplFoobar : public GpuMemoryBufferImpl {
+ public:
+ GpuMemoryBufferImplFoobar(gfx::Size size, unsigned internalformat);
+ virtual ~GpuMemoryBufferImplFoobar();
+
+ static bool IsFormatSupported(unsigned internalformat);
+
+ bool InitializeFromFoobarObject(void *foobar_object);
+
+ // Overridden from gfx::GpuMemoryBuffer:
+ virtual void Map(AccessMode mode, void** vaddr) OVERRIDE;
+ virtual void Unmap() OVERRIDE;
+ virtual gfx::GpuMemoryBufferHandle GetHandle() const OVERRIDE;
+
+ private:
+ struct _drm_intel_bo *foobar_object;
+ mutable int _prime_fd;
+ int prime_fd() const;
+ DISALLOW_COPY_AND_ASSIGN(GpuMemoryBufferImplFoobar);
+};
+
+} // namespace content
+
+#endif // CONTENT_COMMON_GPU_CLIENT_GPU_MEMORY_BUFFER_IMPL_FOOBAR_H_
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