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// Copyright 2023 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "third_party/blink/renderer/platform/graphics/scoped_raster_timer.h"
#include "base/test/metrics/histogram_tester.h"
#include "cc/test/stub_decode_cache.h"
#include "components/viz/test/test_context_provider.h"
#include "components/viz/test/test_gles2_interface.h"
#include "components/viz/test/test_raster_interface.h"
#include "gpu/command_buffer/common/shared_image_usage.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/blink/renderer/platform/graphics/canvas_resource_provider.h"
#include "third_party/blink/renderer/platform/graphics/gpu/shared_gpu_context.h"
#include "third_party/blink/renderer/platform/graphics/skia/skia_utils.h"
#include "third_party/blink/renderer/platform/graphics/test/gpu_memory_buffer_test_platform.h"
#include "third_party/blink/renderer/platform/graphics/test/gpu_test_utils.h"
#include "third_party/blink/renderer/platform/graphics/web_graphics_context_3d_provider_wrapper.h"
#include "third_party/blink/renderer/platform/testing/task_environment.h"
namespace blink {
using testing::Test;
constexpr base::TimeDelta kExpectedCPUDuration =
base::ScopedMockElapsedTimersForTest::kMockElapsedTime;
// kExpectedGPUDuration does not need to be related to kMockElapsedTime.
// We chose kMockElapsedTime * 2 arbitrarily to ensure that CPU, GPU, and
// Total duration values all end up in different histogram buckets.
constexpr base::TimeDelta kExpectedGPUDuration =
base::ScopedMockElapsedTimersForTest::kMockElapsedTime * 2;
// This is a fake raster interface that will always report that GPU
// commands have finished executing in kExpectedGPUDuration microseconds.
class FakeRasterCommandsCompleted : public viz::TestRasterInterface {
public:
void GetQueryObjectuivEXT(GLuint id, GLenum pname, GLuint* params) override {
if (pname == GL_QUERY_RESULT_AVAILABLE_NO_FLUSH_CHROMIUM_EXT) {
// Signal that commands have completed.
*params = 1;
} else if (pname == GL_QUERY_RESULT_EXT) {
*params = kExpectedGPUDuration.InMicroseconds();
} else {
viz::TestRasterInterface::GetQueryObjectuivEXT(id, pname, params);
}
}
};
class ScopedRasterTimerTest : public Test {
public:
void SetUp() override {
auto fake_raster_context = std::make_unique<FakeRasterCommandsCompleted>();
test_context_provider_ =
viz::TestContextProvider::CreateRaster(std::move(fake_raster_context));
auto* test_raster = test_context_provider_->UnboundTestRasterInterface();
test_raster->set_gpu_rasterization(true);
test_raster->set_supports_gpu_memory_buffer_format(
gfx::BufferFormat::RGBA_8888, true);
test_raster->set_supports_gpu_memory_buffer_format(
gfx::BufferFormat::BGRA_8888, true);
gpu::SharedImageCapabilities shared_image_caps;
shared_image_caps.supports_scanout_shared_images = true;
test_context_provider_->SharedImageInterface()->SetCapabilities(
shared_image_caps);
InitializeSharedGpuContextRaster(test_context_provider_.get(),
&image_decode_cache_);
context_provider_wrapper_ = SharedGpuContext::ContextProviderWrapper();
}
void TearDown() override { SharedGpuContext::Reset(); }
protected:
test::TaskEnvironment task_environment_;
cc::StubDecodeCache image_decode_cache_;
scoped_refptr<viz::TestContextProvider> test_context_provider_;
base::WeakPtr<WebGraphicsContext3DProviderWrapper> context_provider_wrapper_;
ScopedTestingPlatformSupport<GpuMemoryBufferTestPlatform> platform_;
};
TEST_F(ScopedRasterTimerTest, UnacceleratedRasterDuration) {
base::ScopedMockElapsedTimersForTest mock_timer;
const gpu::SharedImageUsageSet shared_image_usage_flags =
gpu::SHARED_IMAGE_USAGE_DISPLAY_READ | gpu::SHARED_IMAGE_USAGE_SCANOUT;
std::unique_ptr<CanvasResourceProvider> provider =
CanvasResourceProvider::CreateSharedImageProvider(
gfx::Size(10, 10), GetN32FormatForCanvas(), kPremul_SkAlphaType,
gfx::ColorSpace::CreateSRGB(),
CanvasResourceProvider::ShouldInitialize::kCallClear,
context_provider_wrapper_, RasterMode::kCPU,
shared_image_usage_flags);
ASSERT_NE(provider.get(), nullptr);
provider->AlwaysEnableRasterTimersForTesting(true);
base::HistogramTester histograms;
// Trigger a flush, which will capture a raster duration measurement.
provider->Canvas().clear(SkColors::kBlue);
provider->ProduceCanvasResource(FlushReason::kTesting);
provider = nullptr;
histograms.ExpectUniqueSample(
ScopedRasterTimer::kRasterDurationUnacceleratedHistogram,
kExpectedCPUDuration.InMicroseconds(), 1);
histograms.ExpectTotalCount(
ScopedRasterTimer::kRasterDurationAcceleratedCpuHistogram, 0);
histograms.ExpectTotalCount(
ScopedRasterTimer::kRasterDurationAcceleratedGpuHistogram, 0);
histograms.ExpectTotalCount(
ScopedRasterTimer::kRasterDurationAcceleratedTotalHistogram, 0);
SharedGpuContext::Reset();
}
TEST_F(ScopedRasterTimerTest, AcceleratedRasterDuration) {
base::ScopedMockElapsedTimersForTest mock_timer;
auto provider = CanvasResourceProvider::CreateSharedImageProvider(
gfx::Size(10, 10), GetN32FormatForCanvas(), kPremul_SkAlphaType,
gfx::ColorSpace::CreateSRGB(),
CanvasResourceProvider::ShouldInitialize::kCallClear,
context_provider_wrapper_, RasterMode::kGPU, gpu::SharedImageUsageSet());
ASSERT_TRUE(!!provider);
provider->AlwaysEnableRasterTimersForTesting(true);
// Trigger a flush, which will capture a raster duration measurement.
provider->Canvas().clear(SkColors::kBlue);
provider->ProduceCanvasResource(FlushReason::kTesting);
base::HistogramTester histograms;
// CanvasResourceProvider destructor performs a timer check
// on the async GPU timers.
provider = nullptr;
histograms.ExpectTotalCount(
ScopedRasterTimer::kRasterDurationUnacceleratedHistogram, 0);
histograms.ExpectUniqueSample(
ScopedRasterTimer::kRasterDurationAcceleratedCpuHistogram,
kExpectedCPUDuration.InMicroseconds(), 1);
histograms.ExpectUniqueSample(
ScopedRasterTimer::kRasterDurationAcceleratedGpuHistogram,
kExpectedGPUDuration.InMicroseconds(), 1);
histograms.ExpectUniqueSample(
ScopedRasterTimer::kRasterDurationAcceleratedTotalHistogram,
(kExpectedCPUDuration + kExpectedGPUDuration).InMicroseconds(), 1);
}
} // namespace blink
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