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// Copyright 2015 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.
// This file defines tests that implementations of GpuMemoryBufferFactory should
// pass in order to be conformant.
#ifndef CONTENT_TEST_GPU_MEMORY_BUFFER_IMPL_TEST_TEMPLATE_H_
#define CONTENT_TEST_GPU_MEMORY_BUFFER_IMPL_TEST_TEMPLATE_H_
#include <stddef.h>
#include <string.h>
#include "testing/gtest/include/gtest/gtest.h"
#include "ui/gfx/buffer_format_util.h"
namespace content {
template <typename GpuMemoryBufferImplType>
class GpuMemoryBufferImplTest : public testing::Test {
public:
GpuMemoryBufferImpl::DestructionCallback AllocateGpuMemoryBuffer(
const gfx::Size& size,
gfx::BufferFormat format,
gfx::BufferUsage usage,
gfx::GpuMemoryBufferHandle* handle,
bool* destroyed) {
return base::Bind(&GpuMemoryBufferImplTest::FreeGpuMemoryBuffer,
base::Unretained(this),
GpuMemoryBufferImplType::AllocateForTesting(
size, format, usage, handle),
base::Unretained(destroyed));
}
private:
void FreeGpuMemoryBuffer(const base::Closure& free_callback,
bool* destroyed,
const gpu::SyncToken& sync_token) {
free_callback.Run();
if (destroyed)
*destroyed = true;
}
};
TYPED_TEST_CASE_P(GpuMemoryBufferImplTest);
TYPED_TEST_P(GpuMemoryBufferImplTest, CreateFromHandle) {
const gfx::Size kBufferSize(8, 8);
for (auto format : gfx::GetBufferFormatsForTesting()) {
gfx::BufferUsage usages[] = {
gfx::BufferUsage::GPU_READ, gfx::BufferUsage::SCANOUT,
gfx::BufferUsage::GPU_READ_CPU_READ_WRITE,
gfx::BufferUsage::GPU_READ_CPU_READ_WRITE_PERSISTENT};
for (auto usage : usages) {
if (!TypeParam::IsConfigurationSupported(format, usage))
continue;
bool destroyed = false;
gfx::GpuMemoryBufferHandle handle;
GpuMemoryBufferImpl::DestructionCallback destroy_callback =
TestFixture::AllocateGpuMemoryBuffer(kBufferSize, format, usage,
&handle, &destroyed);
scoped_ptr<TypeParam> buffer(TypeParam::CreateFromHandle(
handle, kBufferSize, format, usage, destroy_callback));
ASSERT_TRUE(buffer);
EXPECT_EQ(buffer->GetFormat(), format);
// Check if destruction callback is executed when deleting the buffer.
buffer.reset();
ASSERT_TRUE(destroyed);
}
}
}
TYPED_TEST_P(GpuMemoryBufferImplTest, Map) {
// Use a multiple of 4 for both dimensions to support compressed formats.
const gfx::Size kBufferSize(4, 4);
for (auto format : gfx::GetBufferFormatsForTesting()) {
if (!TypeParam::IsConfigurationSupported(
format, gfx::BufferUsage::GPU_READ_CPU_READ_WRITE)) {
continue;
}
gfx::GpuMemoryBufferHandle handle;
GpuMemoryBufferImpl::DestructionCallback destroy_callback =
TestFixture::AllocateGpuMemoryBuffer(
kBufferSize, format, gfx::BufferUsage::GPU_READ_CPU_READ_WRITE,
&handle, nullptr);
scoped_ptr<TypeParam> buffer(TypeParam::CreateFromHandle(
handle, kBufferSize, format, gfx::BufferUsage::GPU_READ_CPU_READ_WRITE,
destroy_callback));
ASSERT_TRUE(buffer);
const size_t num_planes = gfx::NumberOfPlanesForBufferFormat(format);
// Map buffer into user space.
ASSERT_TRUE(buffer->Map());
// Copy and compare mapped buffers.
for (size_t plane = 0; plane < num_planes; ++plane) {
const size_t row_size_in_bytes =
gfx::RowSizeForBufferFormat(kBufferSize.width(), format, plane);
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 = kBufferSize.height() /
gfx::SubsamplingFactorForBufferFormat(format, plane);
for (size_t y = 0; y < height; ++y) {
memcpy(static_cast<char*>(buffer->memory(plane)) +
y * buffer->stride(plane),
data.get(), row_size_in_bytes);
EXPECT_EQ(0, memcmp(static_cast<char*>(buffer->memory(plane)) +
y * buffer->stride(plane),
data.get(), row_size_in_bytes));
}
}
buffer->Unmap();
}
}
TYPED_TEST_P(GpuMemoryBufferImplTest, PersistentMap) {
// Use a multiple of 4 for both dimensions to support compressed formats.
const gfx::Size kBufferSize(4, 4);
for (auto format : gfx::GetBufferFormatsForTesting()) {
if (!TypeParam::IsConfigurationSupported(
format, gfx::BufferUsage::GPU_READ_CPU_READ_WRITE_PERSISTENT)) {
continue;
}
gfx::GpuMemoryBufferHandle handle;
GpuMemoryBufferImpl::DestructionCallback destroy_callback =
TestFixture::AllocateGpuMemoryBuffer(
kBufferSize, format,
gfx::BufferUsage::GPU_READ_CPU_READ_WRITE_PERSISTENT, &handle,
nullptr);
scoped_ptr<TypeParam> buffer(TypeParam::CreateFromHandle(
handle, kBufferSize, format,
gfx::BufferUsage::GPU_READ_CPU_READ_WRITE_PERSISTENT,
destroy_callback));
ASSERT_TRUE(buffer);
// Map buffer into user space.
ASSERT_TRUE(buffer->Map());
// Copy and compare mapped buffers.
size_t num_planes = gfx::NumberOfPlanesForBufferFormat(format);
for (size_t plane = 0; plane < num_planes; ++plane) {
const size_t row_size_in_bytes =
gfx::RowSizeForBufferFormat(kBufferSize.width(), format, plane);
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 = kBufferSize.height() /
gfx::SubsamplingFactorForBufferFormat(format, plane);
for (size_t y = 0; y < height; ++y) {
memcpy(static_cast<char*>(buffer->memory(plane)) +
y * buffer->stride(plane),
data.get(), row_size_in_bytes);
EXPECT_EQ(0, memcmp(static_cast<char*>(buffer->memory(plane)) +
y * buffer->stride(plane),
data.get(), row_size_in_bytes));
}
}
buffer->Unmap();
// Remap the buffer, and compare again. It should contain the same data.
ASSERT_TRUE(buffer->Map());
for (size_t plane = 0; plane < num_planes; ++plane) {
const size_t row_size_in_bytes =
gfx::RowSizeForBufferFormat(kBufferSize.width(), format, plane);
scoped_ptr<char[]> data(new char[row_size_in_bytes]);
memset(data.get(), 0x2a + plane, row_size_in_bytes);
size_t height = kBufferSize.height() /
gfx::SubsamplingFactorForBufferFormat(format, plane);
for (size_t y = 0; y < height; ++y) {
EXPECT_EQ(0, memcmp(static_cast<char*>(buffer->memory(plane)) +
y * buffer->stride(plane),
data.get(), row_size_in_bytes));
}
}
buffer->Unmap();
}
}
// The GpuMemoryBufferImplTest test case verifies behavior that is expected
// from a GpuMemoryBuffer implementation in order to be conformant.
REGISTER_TYPED_TEST_CASE_P(GpuMemoryBufferImplTest,
CreateFromHandle,
Map,
PersistentMap);
} // namespace content
#endif // CONTENT_TEST_GPU_MEMORY_BUFFER_IMPL_TEST_TEMPLATE_H_
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