chromium/third_party/dawn/src/dawn/tests/end2end/CopyExternalTextureForBrowserTests.cpp

// Copyright 2022 The Dawn & Tint Authors
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#include <vector>

#include "dawn/tests/DawnTest.h"
#include "dawn/utils/ComboRenderPipelineDescriptor.h"
#include "dawn/utils/WGPUHelpers.h"

namespace dawn {
namespace {

wgpu::Texture Create2DTexture(wgpu::Device device,
                              uint32_t width,
                              uint32_t height,
                              wgpu::TextureFormat format,
                              wgpu::TextureUsage usage) { … }

static constexpr uint32_t kWidth = …;
static constexpr uint32_t kHeight = …;

std::array<std::array<utils::RGBA8, 4>, 4> kDefaultExpectedRGBA = …;

std::array<std::array<utils::RGBA8, 2>, 2> kDownScaledExpectedRGBA = …;

std::array<std::array<utils::RGBA8, 8>, 8> kUpScaledExpectedRGBA = …;

template <typename Parent>
class CopyExternalTextureForBrowserTests : public Parent { … };

enum class CopyRect { … };

enum class ScaleType { … };

FlipY;
CopySrcRect;
CopyDstRect;

std::ostream& operator<<(std::ostream& o, ScaleType scaleType) { … }

std::ostream& operator<<(std::ostream& o, CopyRect copyRect) { … }

DAWN_TEST_PARAM_STRUCT(CopyTestParams, CopySrcRect, CopyDstRect, ScaleType, FlipY);

template <typename... Params>
class CopyExternalTextureForBrowserTestsBase
    : public CopyExternalTextureForBrowserTests<DawnTestWithParams<Params...>> { … };

class CopyExternalTextureForBrowserTests_Basic
    : public CopyExternalTextureForBrowserTestsBase<CopyTestParams> { … };

TEST_P(CopyExternalTextureForBrowserTests_Basic, Copy) { … }

DAWN_INSTANTIATE_TEST_P(…);

// Spot-test for defaulting of .aspect
class CopyExternalTextureForBrowserTests_Aspect : public CopyExternalTextureForBrowserTestsBase<> { … };

TEST_P(CopyExternalTextureForBrowserTests_Aspect, Copy) { … }

DAWN_INSTANTIATE_TEST(CopyExternalTextureForBrowserTests_Aspect,
                      D3D11Backend(),
                      D3D12Backend(),
                      MetalBackend(),
                      OpenGLBackend(),
                      OpenGLESBackend(),
                      VulkanBackend());

}  // anonymous namespace
}  // namespace dawn