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

Issue 177953004: Enable SurfaceTexture based zero-copy texture uploading on Android platform Base URL: http://chromium.googlesource.com/chromium/src.git@master
Patch Set: Created 6 years, 10 months ago
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Index: content/common/gpu/client/gpu_memory_buffer_impl_surface_texture.h
diff --git a/content/common/gpu/client/gpu_memory_buffer_impl_surface_texture.h b/content/common/gpu/client/gpu_memory_buffer_impl_surface_texture.h
new file mode 100644
index 0000000000000000000000000000000000000000..40babec2f35120520bea04b466cc7de21ae71c34
--- /dev/null
+++ b/content/common/gpu/client/gpu_memory_buffer_impl_surface_texture.h
@@ -0,0 +1,44 @@
+// 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_CLIENT_GPU_MEMORY_BUFFER_IMPL_SURFACE_TEXTURE_H_
+#define CONTENT_COMMON_GPU_CLIENT_GPU_MEMORY_BUFFER_IMPL_SURFACE_TEXTURE_H_
+
+#include "content/common/gpu/client/gpu_memory_buffer_impl.h"
+#include "ui/gl/android/surface_texture.h"
+
+namespace content {
+
+// Provides implementation of a GPU memory buffer based
+// on SurfaceTexture.
+class GpuMemoryBufferImplSurfaceTexture : public GpuMemoryBufferImpl {
+ public:
+ GpuMemoryBufferImplSurfaceTexture(gfx::Size size, unsigned internalformat);
+ virtual ~GpuMemoryBufferImplSurfaceTexture();
+
+ bool Initialize(gfx::GpuMemoryBufferHandle handle);
+
+ // Overridden from gfx::GpuMemoryBuffer:
+ virtual uint32 GetStride() const OVERRIDE;
+ virtual void Map(AccessMode mode, void** vaddr) OVERRIDE;
+ virtual void Unmap() OVERRIDE;
+ virtual gfx::GpuMemoryBufferHandle GetHandle() const OVERRIDE;
+ void setSurfaceTexture(gfx::SurfaceTexture* surface_texture) {
+ surface_texture_ = surface_texture;
+ }
+ void setNativeWindow(ANativeWindow* window);
+
+ private:
+ unsigned int texture_id_;
+ ANativeWindow* native_window_;
+ unsigned int stride_;
+ bool stride_updated_;
+ gfx::SurfaceTexture* surface_texture_;
+
+ DISALLOW_COPY_AND_ASSIGN(GpuMemoryBufferImplSurfaceTexture);
+};
+
+} // namespace content
+
+#endif // CONTENT_COMMON_GPU_CLIENT_GPU_MEMORY_BUFFER_IMPL_SURFACE_TEXTURE_H_

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