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

// Copyright 2023 The Dawn & Tint Authors
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#include <string>
#include <vector>

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

namespace dawn {
namespace {

class FramebufferFetchTests : public DawnTest { … };

// A basic test of framebuffer fetch
TEST_P(FramebufferFetchTests, Basic) { … }

// Check that it is post-blend framebuffer fetch
TEST_P(FramebufferFetchTests, PostBlend) { … }

// Check with multiple render attachments
TEST_P(FramebufferFetchTests, MultipleAttachments) { … }

// Check with multiple render attachments
TEST_P(FramebufferFetchTests, VariousFormats) { … }

// Tests load and store operations
// LoadOp::Clear and StoreOp::Store are basically always tested by other tests, so this one tests
// LoadOp::Load and StoreOp::Discard
TEST_P(FramebufferFetchTests, LoadAndStoreOpsReallyItsLoadAndDiscard) { … }

// Test the behavior with multisampling.
// Checks that each sample has its own framebuffer fetch by add sample_index to that sample multiple
// times. Checks that any framebuffer fetch forces sample shading, even if all the samples have the
// same value.
TEST_P(FramebufferFetchTests, MultisamplingIsSampleRasterization) { … }

DAWN_INSTANTIATE_TEST(…);

}  // anonymous namespace
}  // namespace dawn