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// 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 "content/common/gpu/client/gpu_memory_buffer_impl.h"
#include "base/bind.h"
#include "content/common/gpu/gpu_memory_buffer_factory.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "ui/gfx/buffer_format_util.h"
namespace content {
namespace {
const int kClientId = 1;
class GpuMemoryBufferImplTest
: public testing::TestWithParam<gfx::GpuMemoryBufferType> {
public:
GpuMemoryBufferImplTest() : buffer_count_(0), factory_(nullptr) {}
// Overridden from testing::Test:
void SetUp() override {
factory_ = GpuMemoryBufferFactory::Create(GetParam());
factory_->GetSupportedGpuMemoryBufferConfigurations(
&supported_configurations_);
}
void TearDown() override { factory_.reset(); }
gfx::GpuMemoryBufferHandle CreateGpuMemoryBuffer(gfx::GpuMemoryBufferId id,
const gfx::Size& size,
gfx::BufferFormat format,
gfx::BufferUsage usage) {
++buffer_count_;
return factory_->CreateGpuMemoryBuffer(id, size, format, usage, kClientId,
gfx::kNullPluginWindow);
}
void DestroyGpuMemoryBuffer(gfx::GpuMemoryBufferId id, uint32 sync_point) {
factory_->DestroyGpuMemoryBuffer(id, kClientId);
DCHECK_GT(buffer_count_, 0);
--buffer_count_;
}
std::vector<GpuMemoryBufferFactory::Configuration> supported_configurations_;
int buffer_count_;
private:
scoped_ptr<GpuMemoryBufferFactory> factory_;
};
TEST_P(GpuMemoryBufferImplTest, CreateFromHandle) {
const int kBufferId = 1;
gfx::Size buffer_size(8, 8);
for (auto configuration : supported_configurations_) {
scoped_ptr<GpuMemoryBufferImpl> buffer(
GpuMemoryBufferImpl::CreateFromHandle(
CreateGpuMemoryBuffer(kBufferId, buffer_size, configuration.format,
configuration.usage),
buffer_size, configuration.format, configuration.usage,
base::Bind(&GpuMemoryBufferImplTest::DestroyGpuMemoryBuffer,
base::Unretained(this), kBufferId)));
EXPECT_EQ(1, buffer_count_);
ASSERT_TRUE(buffer);
EXPECT_EQ(buffer->GetFormat(), configuration.format);
// Check if destruction callback is executed when deleting the buffer.
buffer.reset();
EXPECT_EQ(0, buffer_count_);
}
}
TEST_P(GpuMemoryBufferImplTest, Map) {
const int kBufferId = 1;
// Use a multiple of 4 for both dimensions to support compressed formats.
gfx::Size buffer_size(4, 4);
for (auto configuration : supported_configurations_) {
if (configuration.usage != gfx::BufferUsage::MAP)
continue;
scoped_ptr<GpuMemoryBufferImpl> buffer(
GpuMemoryBufferImpl::CreateFromHandle(
CreateGpuMemoryBuffer(kBufferId, buffer_size, configuration.format,
configuration.usage),
buffer_size, configuration.format, configuration.usage,
base::Bind(&GpuMemoryBufferImplTest::DestroyGpuMemoryBuffer,
base::Unretained(this), kBufferId)));
ASSERT_TRUE(buffer);
EXPECT_FALSE(buffer->IsMapped());
size_t num_planes =
gfx::NumberOfPlanesForBufferFormat(configuration.format);
// Map buffer into user space.
scoped_ptr<void*[]> mapped_buffers(new void*[num_planes]);
bool rv = buffer->Map(mapped_buffers.get());
ASSERT_TRUE(rv);
EXPECT_TRUE(buffer->IsMapped());
// Get strides.
scoped_ptr<int[]> strides(new int[num_planes]);
buffer->GetStride(strides.get());
// Copy and compare mapped buffers.
for (size_t plane = 0; plane < num_planes; ++plane) {
size_t row_size_in_bytes = 0;
EXPECT_TRUE(GpuMemoryBufferImpl::RowSizeInBytes(
buffer_size.width(), configuration.format, plane,
&row_size_in_bytes));
EXPECT_GT(row_size_in_bytes, 0u);
scoped_ptr<char[]> data(new char[row_size_in_bytes]);
memset(data.get(), 0x2a + plane, row_size_in_bytes);
size_t height =
buffer_size.height() /
GpuMemoryBufferImpl::SubsamplingFactor(configuration.format, plane);
for (size_t y = 0; y < height; ++y) {
memcpy(static_cast<char*>(mapped_buffers[plane]) + y * strides[plane],
data.get(), row_size_in_bytes);
EXPECT_EQ(memcmp(static_cast<char*>(mapped_buffers[plane]) +
y * strides[plane],
data.get(), row_size_in_bytes),
0);
}
}
buffer->Unmap();
EXPECT_FALSE(buffer->IsMapped());
}
}
TEST_P(GpuMemoryBufferImplTest, PersistentMap) {
const int kBufferId = 1;
// Use a multiple of 4 for both dimensions to support compressed formats.
gfx::Size buffer_size(4, 4);
for (auto configuration : supported_configurations_) {
if (configuration.usage != gfx::BufferUsage::PERSISTENT_MAP)
continue;
scoped_ptr<GpuMemoryBufferImpl> buffer(
GpuMemoryBufferImpl::CreateFromHandle(
CreateGpuMemoryBuffer(kBufferId, buffer_size, configuration.format,
configuration.usage),
buffer_size, configuration.format, configuration.usage,
base::Bind(&GpuMemoryBufferImplTest::DestroyGpuMemoryBuffer,
base::Unretained(this), kBufferId)));
ASSERT_TRUE(buffer);
EXPECT_FALSE(buffer->IsMapped());
size_t num_planes =
gfx::NumberOfPlanesForBufferFormat(configuration.format);
// Map buffer into user space.
scoped_ptr<void* []> mapped_buffers(new void* [num_planes]);
bool rv = buffer->Map(mapped_buffers.get());
ASSERT_TRUE(rv);
EXPECT_TRUE(buffer->IsMapped());
// Get strides.
scoped_ptr<int[]> strides(new int[num_planes]);
buffer->GetStride(strides.get());
// Copy and compare mapped buffers.
for (size_t plane = 0; plane < num_planes; ++plane) {
size_t row_size_in_bytes;
EXPECT_TRUE(GpuMemoryBufferImpl::RowSizeInBytes(
buffer_size.width(), configuration.format, plane,
&row_size_in_bytes));
scoped_ptr<char[]> data(new char[row_size_in_bytes]);
memset(data.get(), 0x2a + plane, row_size_in_bytes);
size_t height =
buffer_size.height() /
GpuMemoryBufferImpl::SubsamplingFactor(configuration.format, plane);
for (size_t y = 0; y < height; ++y) {
memcpy(static_cast<char*>(mapped_buffers[plane]) + y * strides[plane],
data.get(), row_size_in_bytes);
EXPECT_EQ(memcmp(static_cast<char*>(mapped_buffers[plane]) +
y * strides[plane],
data.get(), row_size_in_bytes),
0);
}
}
buffer->Unmap();
EXPECT_FALSE(buffer->IsMapped());
// Remap the buffer, and compare again. It should contain the same data.
rv = buffer->Map(mapped_buffers.get());
ASSERT_TRUE(rv);
EXPECT_TRUE(buffer->IsMapped());
buffer->GetStride(strides.get());
for (size_t plane = 0; plane < num_planes; ++plane) {
size_t row_size_in_bytes;
EXPECT_TRUE(GpuMemoryBufferImpl::RowSizeInBytes(
buffer_size.width(), configuration.format, plane,
&row_size_in_bytes));
scoped_ptr<char[]> data(new char[row_size_in_bytes]);
memset(data.get(), 0x2a + plane, row_size_in_bytes);
size_t height =
buffer_size.height() /
GpuMemoryBufferImpl::SubsamplingFactor(configuration.format, plane);
for (size_t y = 0; y < height; ++y) {
EXPECT_EQ(memcmp(static_cast<char*>(mapped_buffers[plane]) +
y * strides[plane],
data.get(), row_size_in_bytes),
0);
}
}
buffer->Unmap();
EXPECT_FALSE(buffer->IsMapped());
}
}
std::vector<gfx::GpuMemoryBufferType> GetSupportedGpuMemoryBufferTypes() {
std::vector<gfx::GpuMemoryBufferType> supported_types;
GpuMemoryBufferFactory::GetSupportedTypes(&supported_types);
return supported_types;
}
INSTANTIATE_TEST_CASE_P(
GpuMemoryBufferImplTests,
GpuMemoryBufferImplTest,
::testing::ValuesIn(GetSupportedGpuMemoryBufferTypes()));
} // namespace
} // namespace content
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