Index: cc/test/test_gpu_memory_buffer_manager.cc |
diff --git a/cc/test/test_gpu_memory_buffer_manager.cc b/cc/test/test_gpu_memory_buffer_manager.cc |
new file mode 100644 |
index 0000000000000000000000000000000000000000..855959e8d08a6a43b032669e067ba2eaf7f703dc |
--- /dev/null |
+++ b/cc/test/test_gpu_memory_buffer_manager.cc |
@@ -0,0 +1,86 @@ |
+// 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. |
+ |
+#include "cc/test/test_gpu_memory_buffer_manager.h" |
+ |
+#include "base/logging.h" |
+#include "ui/gfx/gpu_memory_buffer.h" |
+ |
+namespace cc { |
+namespace { |
+ |
+class GpuMemoryBufferImpl : public gfx::GpuMemoryBuffer { |
+ public: |
+ GpuMemoryBufferImpl(const gfx::Size& size, Format format) |
+ : size_(size), |
+ format_(format), |
+ pixels_(new uint8[size.GetArea() * BytesPerPixel(format)]), |
+ mapped_(false) {} |
+ |
+ // Overridden from gfx::GpuMemoryBuffer: |
+ virtual void* Map() override { |
+ DCHECK(!mapped_); |
+ mapped_ = true; |
+ return pixels_.get(); |
+ } |
+ virtual void Unmap() override { |
+ DCHECK(mapped_); |
+ mapped_ = false; |
+ } |
+ virtual bool IsMapped() const override { return mapped_; } |
+ virtual Format GetFormat() const override { return format_; } |
+ virtual uint32 GetStride() const override { |
+ return size_.width() * BytesPerPixel(format_); |
+ } |
+ virtual gfx::GpuMemoryBufferHandle GetHandle() const override { |
+ NOTREACHED(); |
+ return gfx::GpuMemoryBufferHandle(); |
+ } |
+ virtual ClientBuffer AsClientBuffer() override { |
+ return reinterpret_cast<ClientBuffer>(this); |
+ } |
+ |
+ private: |
+ static size_t BytesPerPixel(Format format) { |
+ switch (format) { |
+ case RGBA_8888: |
+ case RGBX_8888: |
+ case BGRA_8888: |
+ return 4; |
+ } |
+ |
+ NOTREACHED(); |
+ return 0; |
+ } |
+ |
+ const gfx::Size size_; |
+ gfx::GpuMemoryBuffer::Format format_; |
+ scoped_ptr<uint8[]> pixels_; |
+ bool mapped_; |
+}; |
+ |
+} // namespace |
+ |
+TestGpuMemoryBufferManager::TestGpuMemoryBufferManager() { |
+} |
+ |
+TestGpuMemoryBufferManager::~TestGpuMemoryBufferManager() { |
+} |
+ |
+scoped_ptr<gfx::GpuMemoryBuffer> |
+TestGpuMemoryBufferManager::AllocateGpuMemoryBuffer( |
+ const gfx::Size& size, |
+ gfx::GpuMemoryBuffer::Format format, |
+ gfx::GpuMemoryBuffer::Usage usage) { |
+ return make_scoped_ptr<gfx::GpuMemoryBuffer>( |
+ new GpuMemoryBufferImpl(size, format)); |
+} |
+ |
+gfx::GpuMemoryBuffer* |
+TestGpuMemoryBufferManager::GpuMemoryBufferFromClientBuffer( |
+ ClientBuffer buffer) { |
+ return reinterpret_cast<gfx::GpuMemoryBuffer*>(buffer); |
+} |
+ |
+} // namespace cc |