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// Copyright 2019 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 <utility>
#include "media/base/media_util.h"
#include "media/base/win/d3d11_mocks.h"
#include "media/gpu/windows/d3d11_texture_selector.h"
#include "media/gpu/windows/d3d11_video_device_format_support.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
using ::testing::_;
using ::testing::Combine;
using ::testing::DoAll;
using ::testing::Return;
using ::testing::SetArgPointee;
using ::testing::Values;
namespace media {
class D3D11TextureSelectorUnittest : public ::testing::Test {
public:
class MockFormatSupportChecker : public FormatSupportChecker {
public:
MockFormatSupportChecker() : FormatSupportChecker(nullptr) {}
~MockFormatSupportChecker() = default;
bool Initialize() override { return true; }
MOCK_CONST_METHOD1(CheckOutputFormatSupport, bool(DXGI_FORMAT));
};
VideoDecoderConfig CreateDecoderConfig(VideoCodecProfile profile,
gfx::Size size,
bool encrypted) {
VideoDecoderConfig result;
result.Initialize(
kUnknownVideoCodec, // It doesn't matter because it won't be used.
profile, VideoDecoderConfig::AlphaMode::kIsOpaque, VideoColorSpace(),
kNoTransformation, size, {}, {}, {},
encrypted ? EncryptionScheme::kCenc : EncryptionScheme::kUnencrypted);
return result;
}
enum class ZeroCopyEnabled { kFalse = 0, kTrue = 1 };
enum class ZeroCopyDisabledByWorkaround { kFalse = 0, kTrue = 1 };
std::unique_ptr<TextureSelector> CreateWithDefaultGPUInfo(
DXGI_FORMAT decoder_output_format,
ZeroCopyEnabled zero_copy_enabled = ZeroCopyEnabled::kTrue,
TextureSelector::HDRMode hdr_mode = TextureSelector::HDRMode::kSDROnly,
ZeroCopyDisabledByWorkaround zero_copy_disabled_by_workaround =
ZeroCopyDisabledByWorkaround::kFalse) {
gpu::GpuPreferences prefs;
prefs.enable_zero_copy_dxgi_video =
zero_copy_enabled == ZeroCopyEnabled::kTrue;
gpu::GpuDriverBugWorkarounds workarounds;
workarounds.disable_dxgi_zero_copy_video =
zero_copy_disabled_by_workaround == ZeroCopyDisabledByWorkaround::kTrue;
auto media_log = std::make_unique<NullMediaLog>();
return TextureSelector::Create(prefs, workarounds, decoder_output_format,
hdr_mode, &format_checker_, nullptr, nullptr,
media_log.get());
}
// Set the format checker to succeed any check, except for |disallowed|.
void AllowFormatCheckerSupportExcept(std::vector<DXGI_FORMAT> disallowed) {
ON_CALL(format_checker_, CheckOutputFormatSupport(_))
.WillByDefault(Return(true));
for (auto format : disallowed) {
ON_CALL(format_checker_, CheckOutputFormatSupport(format))
.WillByDefault(Return(false));
}
}
MockFormatSupportChecker format_checker_;
};
TEST_F(D3D11TextureSelectorUnittest, NV12BindsToNV12) {
// Nothing should ask about VideoProcessor support, since we're binding.
EXPECT_CALL(format_checker_, CheckOutputFormatSupport(_)).Times(0);
auto tex_sel = CreateWithDefaultGPUInfo(DXGI_FORMAT_NV12);
EXPECT_EQ(tex_sel->PixelFormat(), PIXEL_FORMAT_NV12);
EXPECT_EQ(tex_sel->OutputDXGIFormat(), DXGI_FORMAT_NV12);
EXPECT_FALSE(tex_sel->WillCopyForTesting());
}
TEST_F(D3D11TextureSelectorUnittest, NV12CopiesToNV12WithoutSharingSupport) {
// EXPECT_CALL(format_checker_, CheckOutputFormatSupport(_)).Times(1);
auto tex_sel =
CreateWithDefaultGPUInfo(DXGI_FORMAT_NV12, ZeroCopyEnabled::kFalse);
EXPECT_EQ(tex_sel->PixelFormat(), PIXEL_FORMAT_NV12);
EXPECT_EQ(tex_sel->OutputDXGIFormat(), DXGI_FORMAT_NV12);
EXPECT_TRUE(tex_sel->WillCopyForTesting());
}
TEST_F(D3D11TextureSelectorUnittest, NV12CopiesToNV12WithWorkaround) {
// Nothing should ask about VideoProcessor support, since we're binding.
EXPECT_CALL(format_checker_, CheckOutputFormatSupport(_)).Times(0);
auto tex_sel = CreateWithDefaultGPUInfo(
DXGI_FORMAT_NV12, ZeroCopyEnabled::kTrue,
TextureSelector::HDRMode::kSDROnly, ZeroCopyDisabledByWorkaround::kTrue);
EXPECT_EQ(tex_sel->PixelFormat(), PIXEL_FORMAT_NV12);
EXPECT_EQ(tex_sel->OutputDXGIFormat(), DXGI_FORMAT_NV12);
EXPECT_TRUE(tex_sel->WillCopyForTesting());
}
TEST_F(D3D11TextureSelectorUnittest, P010CopiesToFP16InHDR) {
// Allow all output formats, since it should prefer fp16 if possible.
AllowFormatCheckerSupportExcept({});
auto tex_sel =
CreateWithDefaultGPUInfo(DXGI_FORMAT_P010, ZeroCopyEnabled::kTrue,
TextureSelector::HDRMode::kSDROrHDR);
EXPECT_EQ(tex_sel->PixelFormat(), PIXEL_FORMAT_ARGB);
EXPECT_EQ(tex_sel->OutputDXGIFormat(), DXGI_FORMAT_R16G16B16A16_FLOAT);
EXPECT_TRUE(tex_sel->WillCopyForTesting());
// TODO(liberato): Check output color space, somehow.
}
TEST_F(D3D11TextureSelectorUnittest, P010CopiesTo10BitRGBInHDR) {
// 10 bit RGB should be the second choice, if fp16 isn't available.
AllowFormatCheckerSupportExcept({DXGI_FORMAT_R16G16B16A16_FLOAT});
auto tex_sel =
CreateWithDefaultGPUInfo(DXGI_FORMAT_P010, ZeroCopyEnabled::kTrue,
TextureSelector::HDRMode::kSDROrHDR);
EXPECT_EQ(tex_sel->PixelFormat(), PIXEL_FORMAT_ARGB);
EXPECT_EQ(tex_sel->OutputDXGIFormat(), DXGI_FORMAT_R10G10B10A2_UNORM);
EXPECT_TRUE(tex_sel->WillCopyForTesting());
}
TEST_F(D3D11TextureSelectorUnittest, P010BindsToP010InHDR) {
// If none of our output formats is supported by the video processor, then it
// should bind P010 directly.
AllowFormatCheckerSupportExcept(
{DXGI_FORMAT_R16G16B16A16_FLOAT, DXGI_FORMAT_R10G10B10A2_UNORM});
auto tex_sel =
CreateWithDefaultGPUInfo(DXGI_FORMAT_P010, ZeroCopyEnabled::kTrue,
TextureSelector::HDRMode::kSDROrHDR);
EXPECT_EQ(tex_sel->PixelFormat(), PIXEL_FORMAT_NV12);
EXPECT_EQ(tex_sel->OutputDXGIFormat(), DXGI_FORMAT_P010);
EXPECT_FALSE(tex_sel->WillCopyForTesting());
}
TEST_F(D3D11TextureSelectorUnittest, P010CopiesTo8BitInSDR) {
// Should copy to 8 bit RGB if the video processor can do it, if we're not in
// HDR mode.
AllowFormatCheckerSupportExcept({});
auto tex_sel =
CreateWithDefaultGPUInfo(DXGI_FORMAT_P010, ZeroCopyEnabled::kTrue,
TextureSelector::HDRMode::kSDROnly);
EXPECT_EQ(tex_sel->PixelFormat(), PIXEL_FORMAT_ARGB);
// Note that this might also produce 8 bit rgb, but for now always
// tries for fp16.
EXPECT_EQ(tex_sel->OutputDXGIFormat(), DXGI_FORMAT_B8G8R8A8_UNORM);
EXPECT_TRUE(tex_sel->WillCopyForTesting());
// TODO(liberato): Check output color space, somehow.
}
TEST_F(D3D11TextureSelectorUnittest, P010BindsToP010InSDR) {
// Should bind P010 if the video processor can't convert to RGB8, if we're not
// int HDR mode.
AllowFormatCheckerSupportExcept({DXGI_FORMAT_B8G8R8A8_UNORM});
auto tex_sel =
CreateWithDefaultGPUInfo(DXGI_FORMAT_P010, ZeroCopyEnabled::kTrue,
TextureSelector::HDRMode::kSDROnly);
EXPECT_EQ(tex_sel->PixelFormat(), PIXEL_FORMAT_NV12);
EXPECT_EQ(tex_sel->OutputDXGIFormat(), DXGI_FORMAT_P010);
EXPECT_FALSE(tex_sel->WillCopyForTesting());
}
} // namespace media
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