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Unified Diff: cc/test/test_gpu_memory_buffer_manager.cc

Issue 634083002: gpu: Compositor management of GpuMemoryBuffer instances. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@cc-pre-chromium-image-refactor
Patch Set: rebase Created 6 years, 2 months ago
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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
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