src/tests/end2end/SwapChainTests.cpp - dawn - Git at Google

 // Copyright 2020 The Dawn Authors
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
 // You may obtain a copy of the License at
 //
 //     http://www.apache.org/licenses/LICENSE-2.0
 //
 // Unless required by applicable law or agreed to in writing, software
 // distributed under the License is distributed on an "AS IS" BASIS,
 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 // See the License for the specific language governing permissions and
 // limitations under the License.

 #include "tests/DawnTest.h"

 #include "common/Constants.h"
 #include "common/Log.h"
 #include "utils/GLFWUtils.h"
 #include "utils/WGPUHelpers.h"

 #include "GLFW/glfw3.h"

 class SwapChainTests : public DawnTest {
   public:
     void SetUp() override {
         DawnTest::SetUp();
         DAWN_TEST_UNSUPPORTED_IF(UsesWire());

         glfwSetErrorCallback([](int code, const char* message) {
             dawn::ErrorLog() << "GLFW error " << code << " " << message;
         });

         // GLFW can fail to start in headless environments, in which SwapChainTests are
         // inapplicable. Skip this cases without producing a test failure.
         if (glfwInit() == GLFW_FALSE) {
             GTEST_SKIP();
         }

         // The SwapChainTests don't create OpenGL contexts so we don't need to call
         // SetupGLFWWindowHintsForBackend. Set GLFW_NO_API anyway to avoid GLFW bringing up a GL
         // context that we won't use.
         ASSERT_TRUE(!IsOpenGL());
         glfwWindowHint(GLFW_CLIENT_API, GLFW_NO_API);
         window = glfwCreateWindow(400, 400, "SwapChainValidationTests window", nullptr, nullptr);

         int width;
         int height;
         glfwGetFramebufferSize(window, &width, &height);

         surface = utils::CreateSurfaceForWindow(GetInstance(), window);
         ASSERT_NE(surface, nullptr);

         baseDescriptor.width = width;
         baseDescriptor.height = height;
         baseDescriptor.usage = wgpu::TextureUsage::RenderAttachment;
         baseDescriptor.format = wgpu::TextureFormat::BGRA8Unorm;
         baseDescriptor.presentMode = wgpu::PresentMode::Mailbox;
     }

     void TearDown() override {
         // Destroy the surface before the window as required by webgpu-native.
         surface = wgpu::Surface();
         if (window != nullptr) {
             glfwDestroyWindow(window);
         }
         DawnTest::TearDown();
     }

     void ClearTexture(wgpu::TextureView view, wgpu::Color color) {
         utils::ComboRenderPassDescriptor desc({view});
         desc.cColorAttachments[0].loadOp = wgpu::LoadOp::Clear;
         desc.cColorAttachments[0].clearColor = color;

         wgpu::CommandEncoder encoder = device.CreateCommandEncoder();
         wgpu::RenderPassEncoder pass = encoder.BeginRenderPass(&desc);
         pass.EndPass();

         wgpu::CommandBuffer commands = encoder.Finish();
         queue.Submit(1, &commands);
     }

   protected:
     GLFWwindow* window = nullptr;
     wgpu::Surface surface;

     wgpu::SwapChainDescriptor baseDescriptor;
 };

 // Basic test for creating a swapchain and presenting one frame.
 TEST_P(SwapChainTests, Basic) {
     wgpu::SwapChain swapchain = device.CreateSwapChain(surface, &baseDescriptor);
     ClearTexture(swapchain.GetCurrentTextureView(), {1.0, 0.0, 0.0, 1.0});
     swapchain.Present();
 }

 // Test replacing the swapchain
 TEST_P(SwapChainTests, ReplaceBasic) {
     wgpu::SwapChain swapchain1 = device.CreateSwapChain(surface, &baseDescriptor);
     ClearTexture(swapchain1.GetCurrentTextureView(), {1.0, 0.0, 0.0, 1.0});
     swapchain1.Present();

     wgpu::SwapChain swapchain2 = device.CreateSwapChain(surface, &baseDescriptor);
     ClearTexture(swapchain2.GetCurrentTextureView(), {0.0, 1.0, 0.0, 1.0});
     swapchain2.Present();
 }

 // Test replacing the swapchain after GetCurrentTextureView
 TEST_P(SwapChainTests, ReplaceAfterGet) {
     wgpu::SwapChain swapchain1 = device.CreateSwapChain(surface, &baseDescriptor);
     ClearTexture(swapchain1.GetCurrentTextureView(), {1.0, 0.0, 0.0, 1.0});

     wgpu::SwapChain swapchain2 = device.CreateSwapChain(surface, &baseDescriptor);
     ClearTexture(swapchain2.GetCurrentTextureView(), {0.0, 1.0, 0.0, 1.0});
     swapchain2.Present();
 }

 // Test destroying the swapchain after GetCurrentTextureView
 TEST_P(SwapChainTests, DestroyAfterGet) {
     wgpu::SwapChain swapchain = device.CreateSwapChain(surface, &baseDescriptor);
     ClearTexture(swapchain.GetCurrentTextureView(), {1.0, 0.0, 0.0, 1.0});
 }

 // Test destroying the surface before the swapchain
 TEST_P(SwapChainTests, DestroySurface) {
     wgpu::SwapChain swapchain = device.CreateSwapChain(surface, &baseDescriptor);
     surface = nullptr;
 }

 // Test destroying the surface before the swapchain but after GetCurrentTextureView
 TEST_P(SwapChainTests, DestroySurfaceAfterGet) {
     wgpu::SwapChain swapchain = device.CreateSwapChain(surface, &baseDescriptor);
     ClearTexture(swapchain.GetCurrentTextureView(), {1.0, 0.0, 0.0, 1.0});
     surface = nullptr;
 }

 // Test switching between present modes.
 TEST_P(SwapChainTests, SwitchPresentMode) {
     // Fails with "internal drawable creation failed" on the Windows NVIDIA CQ builders but not
     // locally.
     DAWN_SUPPRESS_TEST_IF(IsWindows() && IsVulkan() && IsNvidia());

     // TODO(jiawei.shao@intel.com): find out why this test sometimes hangs on the latest Linux Intel
     // Vulkan drivers.
     DAWN_SUPPRESS_TEST_IF(IsLinux() && IsVulkan() && IsIntel());

     constexpr wgpu::PresentMode kAllPresentModes[] = {
         wgpu::PresentMode::Immediate,
         wgpu::PresentMode::Fifo,
         wgpu::PresentMode::Mailbox,
     };

     for (wgpu::PresentMode mode1 : kAllPresentModes) {
         for (wgpu::PresentMode mode2 : kAllPresentModes) {
             wgpu::SwapChainDescriptor desc = baseDescriptor;

             desc.presentMode = mode1;
             wgpu::SwapChain swapchain1 = device.CreateSwapChain(surface, &desc);
             ClearTexture(swapchain1.GetCurrentTextureView(), {0.0, 0.0, 0.0, 1.0});
             swapchain1.Present();

             desc.presentMode = mode2;
             wgpu::SwapChain swapchain2 = device.CreateSwapChain(surface, &desc);
             ClearTexture(swapchain2.GetCurrentTextureView(), {0.0, 0.0, 0.0, 1.0});
             swapchain2.Present();
         }
     }
 }

 // Test resizing the swapchain and without resizing the window.
 TEST_P(SwapChainTests, ResizingSwapChainOnly) {
     for (int i = 0; i < 10; i++) {
         wgpu::SwapChainDescriptor desc = baseDescriptor;
         desc.width += i * 10;
         desc.height -= i * 10;

         wgpu::SwapChain swapchain = device.CreateSwapChain(surface, &desc);
         ClearTexture(swapchain.GetCurrentTextureView(), {0.05f * i, 0.0f, 0.0f, 1.0f});
         swapchain.Present();
     }
 }

 // Test resizing the window but not the swapchain.
 TEST_P(SwapChainTests, ResizingWindowOnly) {
     wgpu::SwapChain swapchain = device.CreateSwapChain(surface, &baseDescriptor);

     for (int i = 0; i < 10; i++) {
         glfwSetWindowSize(window, 400 - 10 * i, 400 + 10 * i);
         glfwPollEvents();

         ClearTexture(swapchain.GetCurrentTextureView(), {0.05f * i, 0.0f, 0.0f, 1.0f});
         swapchain.Present();
     }
 }

 // Test resizing both the window and the swapchain at the same time.
 TEST_P(SwapChainTests, ResizingWindowAndSwapChain) {
     for (int i = 0; i < 10; i++) {
         glfwSetWindowSize(window, 400 - 10 * i, 400 + 10 * i);
         glfwPollEvents();

         int width;
         int height;
         glfwGetFramebufferSize(window, &width, &height);

         wgpu::SwapChainDescriptor desc = baseDescriptor;
         desc.width = width;
         desc.height = height;

         wgpu::SwapChain swapchain = device.CreateSwapChain(surface, &desc);
         ClearTexture(swapchain.GetCurrentTextureView(), {0.05f * i, 0.0f, 0.0f, 1.0f});
         swapchain.Present();
     }
 }

 // Test switching devices on the same adapter.
 TEST_P(SwapChainTests, SwitchingDevice) {
     // The Vulkan Validation Layers incorrectly disallow gracefully passing a swapchain between two
     // VkDevices using "vkSwapchainCreateInfoKHR::oldSwapchain".
     // See https://github.com/KhronosGroup/Vulkan-ValidationLayers/issues/2256
     DAWN_SUPPRESS_TEST_IF(IsVulkan() && IsBackendValidationEnabled());

     wgpu::Device device2 = wgpu::Device::Acquire(GetAdapter().CreateDevice());

     for (int i = 0; i < 3; i++) {
         wgpu::Device deviceToUse;
         if (i % 2 == 0) {
             deviceToUse = device;
         } else {
             deviceToUse = device2;
         }

         wgpu::SwapChain swapchain = deviceToUse.CreateSwapChain(surface, &baseDescriptor);
         swapchain.GetCurrentTextureView();
         swapchain.Present();
     }
 }

 DAWN_INSTANTIATE_TEST(SwapChainTests, MetalBackend(), VulkanBackend());
	// Copyright 2020 The Dawn Authors
	//
	// Licensed under the Apache License, Version 2.0 (the "License");
	// you may not use this file except in compliance with the License.
	// You may obtain a copy of the License at
	//
	// http://www.apache.org/licenses/LICENSE-2.0
	//
	// Unless required by applicable law or agreed to in writing, software
	// distributed under the License is distributed on an "AS IS" BASIS,
	// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	// See the License for the specific language governing permissions and
	// limitations under the License.

	#include "tests/DawnTest.h"

	#include "common/Constants.h"
	#include "common/Log.h"
	#include "utils/GLFWUtils.h"
	#include "utils/WGPUHelpers.h"

	#include "GLFW/glfw3.h"

	class SwapChainTests : public DawnTest {
	public:
	void SetUp() override {
	DawnTest::SetUp();
	DAWN_TEST_UNSUPPORTED_IF(UsesWire());

	glfwSetErrorCallback([](int code, const char* message) {
	dawn::ErrorLog() << "GLFW error " << code << " " << message;
	});

	// GLFW can fail to start in headless environments, in which SwapChainTests are
	// inapplicable. Skip this cases without producing a test failure.
	if (glfwInit() == GLFW_FALSE) {
	GTEST_SKIP();
	}

	// The SwapChainTests don't create OpenGL contexts so we don't need to call
	// SetupGLFWWindowHintsForBackend. Set GLFW_NO_API anyway to avoid GLFW bringing up a GL
	// context that we won't use.
	ASSERT_TRUE(!IsOpenGL());
	glfwWindowHint(GLFW_CLIENT_API, GLFW_NO_API);
	window = glfwCreateWindow(400, 400, "SwapChainValidationTests window", nullptr, nullptr);

	int width;
	int height;
	glfwGetFramebufferSize(window, &width, &height);

	surface = utils::CreateSurfaceForWindow(GetInstance(), window);
	ASSERT_NE(surface, nullptr);

	baseDescriptor.width = width;
	baseDescriptor.height = height;
	baseDescriptor.usage = wgpu::TextureUsage::RenderAttachment;
	baseDescriptor.format = wgpu::TextureFormat::BGRA8Unorm;
	baseDescriptor.presentMode = wgpu::PresentMode::Mailbox;
	}

	void TearDown() override {
	// Destroy the surface before the window as required by webgpu-native.
	surface = wgpu::Surface();
	if (window != nullptr) {
	glfwDestroyWindow(window);
	}
	DawnTest::TearDown();
	}

	void ClearTexture(wgpu::TextureView view, wgpu::Color color) {
	utils::ComboRenderPassDescriptor desc({view});
	desc.cColorAttachments[0].loadOp = wgpu::LoadOp::Clear;
	desc.cColorAttachments[0].clearColor = color;

	wgpu::CommandEncoder encoder = device.CreateCommandEncoder();
	wgpu::RenderPassEncoder pass = encoder.BeginRenderPass(&desc);
	pass.EndPass();

	wgpu::CommandBuffer commands = encoder.Finish();
	queue.Submit(1, &commands);
	}

	protected:
	GLFWwindow* window = nullptr;
	wgpu::Surface surface;

	wgpu::SwapChainDescriptor baseDescriptor;
	};

	// Basic test for creating a swapchain and presenting one frame.
	TEST_P(SwapChainTests, Basic) {
	wgpu::SwapChain swapchain = device.CreateSwapChain(surface, &baseDescriptor);
	ClearTexture(swapchain.GetCurrentTextureView(), {1.0, 0.0, 0.0, 1.0});
	swapchain.Present();
	}

	// Test replacing the swapchain
	TEST_P(SwapChainTests, ReplaceBasic) {
	wgpu::SwapChain swapchain1 = device.CreateSwapChain(surface, &baseDescriptor);
	ClearTexture(swapchain1.GetCurrentTextureView(), {1.0, 0.0, 0.0, 1.0});
	swapchain1.Present();

	wgpu::SwapChain swapchain2 = device.CreateSwapChain(surface, &baseDescriptor);
	ClearTexture(swapchain2.GetCurrentTextureView(), {0.0, 1.0, 0.0, 1.0});
	swapchain2.Present();
	}

	// Test replacing the swapchain after GetCurrentTextureView
	TEST_P(SwapChainTests, ReplaceAfterGet) {
	wgpu::SwapChain swapchain1 = device.CreateSwapChain(surface, &baseDescriptor);
	ClearTexture(swapchain1.GetCurrentTextureView(), {1.0, 0.0, 0.0, 1.0});

	wgpu::SwapChain swapchain2 = device.CreateSwapChain(surface, &baseDescriptor);
	ClearTexture(swapchain2.GetCurrentTextureView(), {0.0, 1.0, 0.0, 1.0});
	swapchain2.Present();
	}

	// Test destroying the swapchain after GetCurrentTextureView
	TEST_P(SwapChainTests, DestroyAfterGet) {
	wgpu::SwapChain swapchain = device.CreateSwapChain(surface, &baseDescriptor);
	ClearTexture(swapchain.GetCurrentTextureView(), {1.0, 0.0, 0.0, 1.0});
	}

	// Test destroying the surface before the swapchain
	TEST_P(SwapChainTests, DestroySurface) {
	wgpu::SwapChain swapchain = device.CreateSwapChain(surface, &baseDescriptor);
	surface = nullptr;
	}

	// Test destroying the surface before the swapchain but after GetCurrentTextureView
	TEST_P(SwapChainTests, DestroySurfaceAfterGet) {
	wgpu::SwapChain swapchain = device.CreateSwapChain(surface, &baseDescriptor);
	ClearTexture(swapchain.GetCurrentTextureView(), {1.0, 0.0, 0.0, 1.0});
	surface = nullptr;
	}

	// Test switching between present modes.
	TEST_P(SwapChainTests, SwitchPresentMode) {
	// Fails with "internal drawable creation failed" on the Windows NVIDIA CQ builders but not
	// locally.
	DAWN_SUPPRESS_TEST_IF(IsWindows() && IsVulkan() && IsNvidia());

	// TODO(jiawei.shao@intel.com): find out why this test sometimes hangs on the latest Linux Intel
	// Vulkan drivers.
	DAWN_SUPPRESS_TEST_IF(IsLinux() && IsVulkan() && IsIntel());

	constexpr wgpu::PresentMode kAllPresentModes[] = {
	wgpu::PresentMode::Immediate,
	wgpu::PresentMode::Fifo,
	wgpu::PresentMode::Mailbox,
	};

	for (wgpu::PresentMode mode1 : kAllPresentModes) {
	for (wgpu::PresentMode mode2 : kAllPresentModes) {
	wgpu::SwapChainDescriptor desc = baseDescriptor;

	desc.presentMode = mode1;
	wgpu::SwapChain swapchain1 = device.CreateSwapChain(surface, &desc);
	ClearTexture(swapchain1.GetCurrentTextureView(), {0.0, 0.0, 0.0, 1.0});
	swapchain1.Present();

	desc.presentMode = mode2;
	wgpu::SwapChain swapchain2 = device.CreateSwapChain(surface, &desc);
	ClearTexture(swapchain2.GetCurrentTextureView(), {0.0, 0.0, 0.0, 1.0});
	swapchain2.Present();
	}
	}
	}

	// Test resizing the swapchain and without resizing the window.
	TEST_P(SwapChainTests, ResizingSwapChainOnly) {
	for (int i = 0; i < 10; i++) {
	wgpu::SwapChainDescriptor desc = baseDescriptor;
	desc.width += i * 10;
	desc.height -= i * 10;

	wgpu::SwapChain swapchain = device.CreateSwapChain(surface, &desc);
	ClearTexture(swapchain.GetCurrentTextureView(), {0.05f * i, 0.0f, 0.0f, 1.0f});
	swapchain.Present();
	}
	}

	// Test resizing the window but not the swapchain.
	TEST_P(SwapChainTests, ResizingWindowOnly) {
	wgpu::SwapChain swapchain = device.CreateSwapChain(surface, &baseDescriptor);

	for (int i = 0; i < 10; i++) {
	glfwSetWindowSize(window, 400 - 10 * i, 400 + 10 * i);
	glfwPollEvents();

	ClearTexture(swapchain.GetCurrentTextureView(), {0.05f * i, 0.0f, 0.0f, 1.0f});
	swapchain.Present();
	}
	}

	// Test resizing both the window and the swapchain at the same time.
	TEST_P(SwapChainTests, ResizingWindowAndSwapChain) {
	for (int i = 0; i < 10; i++) {
	glfwSetWindowSize(window, 400 - 10 * i, 400 + 10 * i);
	glfwPollEvents();

	int width;
	int height;
	glfwGetFramebufferSize(window, &width, &height);

	wgpu::SwapChainDescriptor desc = baseDescriptor;
	desc.width = width;
	desc.height = height;

	wgpu::SwapChain swapchain = device.CreateSwapChain(surface, &desc);
	ClearTexture(swapchain.GetCurrentTextureView(), {0.05f * i, 0.0f, 0.0f, 1.0f});
	swapchain.Present();
	}
	}

	// Test switching devices on the same adapter.
	TEST_P(SwapChainTests, SwitchingDevice) {
	// The Vulkan Validation Layers incorrectly disallow gracefully passing a swapchain between two
	// VkDevices using "vkSwapchainCreateInfoKHR::oldSwapchain".
	// See https://github.com/KhronosGroup/Vulkan-ValidationLayers/issues/2256
	DAWN_SUPPRESS_TEST_IF(IsVulkan() && IsBackendValidationEnabled());

	wgpu::Device device2 = wgpu::Device::Acquire(GetAdapter().CreateDevice());

	for (int i = 0; i < 3; i++) {
	wgpu::Device deviceToUse;
	if (i % 2 == 0) {
	deviceToUse = device;
	} else {
	deviceToUse = device2;
	}

	wgpu::SwapChain swapchain = deviceToUse.CreateSwapChain(surface, &baseDescriptor);
	swapchain.GetCurrentTextureView();
	swapchain.Present();
	}
	}

	DAWN_INSTANTIATE_TEST(SwapChainTests, MetalBackend(), VulkanBackend());