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

// Copyright 2017 The Dawn & Tint Authors
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice, this
//    list of conditions and the following disclaimer.
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// 2. Redistributions in binary form must reproduce the above copyright notice,
//    this list of conditions and the following disclaimer in the documentation
//    and/or other materials provided with the distribution.
//
// 3. Neither the name of the copyright holder nor the names of its
//    contributors may be used to endorse or promote products derived from
//    this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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#include <array>
#include <cstring>
#include <limits>
#include <tuple>
#include <type_traits>
#include <vector>

#include "dawn/tests/DawnTest.h"

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

namespace dawn {
namespace {

constexpr static unsigned int kRTSize = …;

class DrawQuad { … };

class RenderPassLoadOpTests : public DawnTest { … };

// Tests clearing, loading, and drawing into color attachments
TEST_P(RenderPassLoadOpTests, ColorClearThenLoadAndDraw) { … }

// Test clearing a color attachment with signed and unsigned integer formats.
TEST_P(RenderPassLoadOpTests, LoadOpClearOnIntegerFormats) { … }

// This test verifies that input double values are being rendered correctly when clearing.
TEST_P(RenderPassLoadOpTests, LoadOpClearIntegerFormatsToLargeValues) { … }

// Test clearing a color attachment on Uint8 formats (R8Uint, RG8Uint, RGBA8Uint) when the clear
// values are out of bound.
TEST_P(RenderPassLoadOpTests, LoadOpClearIntegerFormatsOutOfBound_Uint8) { … }

// Test clearing a color attachment on Sint8 formats (R8Sint, RG8Sint, RGBA8Sint) when the clear
// values are out of bound.
TEST_P(RenderPassLoadOpTests, LoadOpClearIntegerFormatsOutOfBound_Sint8) { … }

// Test clearing a color attachment on Uint16 formats (R16Uint, RG16Uint, RGBA16Uint) when the clear
// values are out of bound.
TEST_P(RenderPassLoadOpTests, LoadOpClearIntegerFormatsOutOfBound_Uint16) { … }

// Test clearing a color attachment on Sint16 formats (R16Sint, RG16Sint, RGBA16Sint) when the clear
// values are out of bound.
TEST_P(RenderPassLoadOpTests, LoadOpClearIntegerFormatsOutOfBound_Sint16) { … }

// Test clearing a color attachment on Uint32 formats (R32Uint, RG32Uint, RGBA32Uint) when the clear
// values are out of bound.
TEST_P(RenderPassLoadOpTests, LoadOpClearIntegerFormatsOutOfBound_Uint32) { … }

// Test clearing a color attachment on Sint32 formats (R32Sint, RG32Sint, RGBA32Sint) when the clear
// values are out of bound.
TEST_P(RenderPassLoadOpTests, LoadOpClearIntegerFormatsOutOfBound_Sint32) { … }

// Test clearing a color attachment on normalized formats when the clear values are out of bound.
// Note that we don't test RGBA8Snorm because it doesn't support being used as render attachments in
// current WebGPU SPEC.
TEST_P(RenderPassLoadOpTests, LoadOpClearNormalizedFormatsOutOfBound) { … }

// Test clearing multiple color attachments with different big signed and unsigned integers can
// still work correctly.
TEST_P(RenderPassLoadOpTests, LoadOpClearWithBig32BitIntegralValuesOnMultipleColorAttachments) { … }

// Test using LoadOp::Clear with different big unsigned integers as clearValues and LoadOp::Load on
// the other color attachments in one render pass encoder works correctly.
TEST_P(RenderPassLoadOpTests, MixedUseOfLoadOpLoadAndLoadOpClearWithBigIntegerValues) { … }

DAWN_INSTANTIATE_TEST(RenderPassLoadOpTests,
                      D3D11Backend(),
                      D3D11Backend({ … };

}  // anonymous namespace
}  // namespace dawn