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// Copyright 2022 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ui/gl/gl_display_manager.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace gl {
class GLDisplayManagerEGLTest : public testing::Test {
public:
GLDisplayManagerEGLTest() = default;
~GLDisplayManagerEGLTest() override = default;
protected:
class ScopedGLDisplayManagerEGL {
public:
ScopedGLDisplayManagerEGL() = default;
ScopedGLDisplayManagerEGL(const ScopedGLDisplayManagerEGL&) = delete;
ScopedGLDisplayManagerEGL& operator=(const ScopedGLDisplayManagerEGL&) =
delete;
GLDisplayManagerEGL* operator->() { return &manager_; }
private:
GLDisplayManagerEGL manager_;
};
};
TEST_F(GLDisplayManagerEGLTest, SingleGPU) {
constexpr uint64_t kSingleGpu = 18;
// Set up.
ScopedGLDisplayManagerEGL manager;
manager->SetGpuPreference(GpuPreference::kDefault, kSingleGpu);
// Query the default display.
GLDisplayEGL* display = manager->GetDisplay(GpuPreference::kDefault);
EXPECT_NE(nullptr, display);
EXPECT_EQ(kSingleGpu, display->system_device_id());
// Query again should return the same display.
GLDisplayEGL* display_2 = manager->GetDisplay(GpuPreference::kDefault);
EXPECT_EQ(display, display_2);
// Query the low power display. It should be the same as the default.
GLDisplayEGL* display_low_power =
manager->GetDisplay(GpuPreference::kLowPower);
EXPECT_EQ(display, display_low_power);
// Query the high performance display. It should be the same as the default.
GLDisplayEGL* display_high_performance =
manager->GetDisplay(GpuPreference::kHighPerformance);
EXPECT_EQ(display, display_high_performance);
}
TEST_F(GLDisplayManagerEGLTest, DualGPUs) {
constexpr uint64_t kIntegratedGpu = 18;
constexpr uint64_t kDiscreteGpu = 76;
constexpr uint64_t kDefaultGpu = kIntegratedGpu;
// Set up.
ScopedGLDisplayManagerEGL manager;
manager->OverrideEGLDualGPURenderingSupportForTests(true);
manager->SetGpuPreference(GpuPreference::kDefault, kDefaultGpu);
manager->SetGpuPreference(GpuPreference::kLowPower, kIntegratedGpu);
manager->SetGpuPreference(GpuPreference::kHighPerformance, kDiscreteGpu);
// Query the low power display.
GLDisplayEGL* display_low_power =
manager->GetDisplay(GpuPreference::kLowPower);
EXPECT_NE(nullptr, display_low_power);
EXPECT_EQ(kIntegratedGpu, display_low_power->system_device_id());
// Query again should return the same display.
GLDisplayEGL* display_low_power_2 =
manager->GetDisplay(GpuPreference::kLowPower);
EXPECT_EQ(display_low_power, display_low_power_2);
// Query the high performance display.
GLDisplayEGL* display_high_performance =
manager->GetDisplay(GpuPreference::kHighPerformance);
EXPECT_NE(nullptr, display_high_performance);
EXPECT_EQ(kDiscreteGpu, display_high_performance->system_device_id());
// Query the default display.
// Due to the set up, it should be the same as the low power display.
GLDisplayEGL* display_default = manager->GetDisplay(GpuPreference::kDefault);
EXPECT_EQ(display_low_power, display_default);
}
TEST_F(GLDisplayManagerEGLTest, RemoveDefaultGPU) {
constexpr uint64_t kIntegratedGpu = 18;
constexpr uint64_t kDiscreteGpu = 76;
constexpr uint64_t kDefaultGpu = kIntegratedGpu;
// Set up.
ScopedGLDisplayManagerEGL manager;
manager->OverrideEGLDualGPURenderingSupportForTests(true);
manager->SetGpuPreference(GpuPreference::kDefault, kDefaultGpu);
manager->SetGpuPreference(GpuPreference::kLowPower, kIntegratedGpu);
manager->SetGpuPreference(GpuPreference::kHighPerformance, kDiscreteGpu);
// Remove the low power GPU, which should change the default to the high
// performance GPU.
manager->RemoveGpuPreference(GpuPreference::kLowPower);
// Query the low power display. Expect it to return the high performance GPU
GLDisplayEGL* display_low_power =
manager->GetDisplay(GpuPreference::kLowPower);
EXPECT_NE(nullptr, display_low_power);
EXPECT_EQ(kDiscreteGpu, display_low_power->system_device_id());
// Query the high performance display.
GLDisplayEGL* display_high_performance =
manager->GetDisplay(GpuPreference::kHighPerformance);
EXPECT_NE(nullptr, display_high_performance);
EXPECT_EQ(kDiscreteGpu, display_high_performance->system_device_id());
// Query the default display.
// Due to the set up, it should be the same as the high performance display.
GLDisplayEGL* display_default = manager->GetDisplay(GpuPreference::kDefault);
EXPECT_EQ(display_high_performance, display_default);
}
TEST_F(GLDisplayManagerEGLTest, RemoveNonDefaultGPU) {
constexpr uint64_t kIntegratedGpu = 18;
constexpr uint64_t kDiscreteGpu = 76;
constexpr uint64_t kDefaultGpu = kIntegratedGpu;
// Set up.
ScopedGLDisplayManagerEGL manager;
manager->OverrideEGLDualGPURenderingSupportForTests(true);
manager->SetGpuPreference(GpuPreference::kDefault, kDefaultGpu);
manager->SetGpuPreference(GpuPreference::kLowPower, kIntegratedGpu);
manager->SetGpuPreference(GpuPreference::kHighPerformance, kDiscreteGpu);
// Remove the high performance GPU, which shouldn't affect the default or low
// power preference.
manager->RemoveGpuPreference(GpuPreference::kHighPerformance);
// Query the low power display.
GLDisplayEGL* display_low_power =
manager->GetDisplay(GpuPreference::kLowPower);
EXPECT_NE(nullptr, display_low_power);
EXPECT_EQ(kIntegratedGpu, display_low_power->system_device_id());
// Query the high performance display. Expect it to return the low power GPU.
GLDisplayEGL* display_high_performance =
manager->GetDisplay(GpuPreference::kHighPerformance);
EXPECT_NE(nullptr, display_high_performance);
EXPECT_EQ(kIntegratedGpu, display_high_performance->system_device_id());
// Query the default display.
// Due to the set up, it should be the same as the low power display.
GLDisplayEGL* display_default = manager->GetDisplay(GpuPreference::kDefault);
EXPECT_EQ(display_low_power, display_default);
}
TEST_F(GLDisplayManagerEGLTest, NoSetUp) {
// Verify that without setting up GPU preferences, it's still OK to call
// GetDisplay().
// This is to make sure tests that do not care about multi-gpus still work.
ScopedGLDisplayManagerEGL manager;
// Query the default display.
GLDisplayEGL* display = manager->GetDisplay(GpuPreference::kDefault);
EXPECT_NE(nullptr, display);
EXPECT_EQ(0u, display->system_device_id());
}
} // namespace gl
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