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

// Copyright 2021 The Dawn & Tint Authors
//
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// modification, are permitted provided that the following conditions are met:
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#include <vector>

#include "dawn/common/Assert.h"
#include "dawn/tests/DawnTest.h"
#include "dawn/utils/ComboRenderPipelineDescriptor.h"
#include "dawn/utils/WGPUHelpers.h"
#include "partition_alloc/pointers/raw_ptr.h"

namespace dawn {
namespace {

constexpr static unsigned int kRTSize = …;

class DepthClippingTest : public DawnTest { … };

// Test that fragments beyond the far plane are not clipped if unclippedDepth is true
TEST_P(DepthClippingTest, UnclippedBeyondFarPlane) { … }

// Test that fragments beyond the far plane are clipped if unclippedDepth is false
TEST_P(DepthClippingTest, ClippedBeyondFarPlane) { … }

// Test that fragments beyond the far plane are clipped if unclippedDepth is not specified
TEST_P(DepthClippingTest, ClippedBeyondFarPlaneFeatureUnused) { … }

// Test that fragments beyond the near plane are not clipped if unclippedDepth is true
TEST_P(DepthClippingTest, UnclippedBeyondNearPlane) { … }

// Test that fragments beyond the near plane are clipped if unclippedDepth is false
TEST_P(DepthClippingTest, ClippedBeyondNearPlane) { … }

// Test that fragments are properly clipped or clamped if multiple render pipelines are used
// within the same render pass with differing unclippedDepth values.
TEST_P(DepthClippingTest, MultipleRenderPipelines) { … }

// Test that fragments are not clipped if unclippedDepth is true and that their
// depths are not being clamped instead. In the fragment shader, we should see
// depth values outside the viewport.
TEST_P(DepthClippingTest, UnclippedNotClamped) { … }

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

}  // anonymous namespace
}  // namespace dawn