| // Copyright 2019 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 "utils/ComboRenderPipelineDescriptor.h" |
| #include "utils/WGPUHelpers.h" |
| |
| class NonzeroTextureCreationTests : public DawnTest { |
| protected: |
| void TestSetUp() override { |
| DawnTest::TestSetUp(); |
| } |
| |
| constexpr static uint32_t kSize = 128; |
| }; |
| |
| // Test that texture clears to 1's because toggle is enabled. |
| TEST_P(NonzeroTextureCreationTests, TextureCreationClearsOneBits) { |
| wgpu::TextureDescriptor descriptor; |
| descriptor.dimension = wgpu::TextureDimension::e2D; |
| descriptor.size.width = kSize; |
| descriptor.size.height = kSize; |
| descriptor.size.depth = 1; |
| descriptor.arrayLayerCount = 1; |
| descriptor.sampleCount = 1; |
| descriptor.format = wgpu::TextureFormat::RGBA8Unorm; |
| descriptor.mipLevelCount = 1; |
| descriptor.usage = wgpu::TextureUsage::OutputAttachment | wgpu::TextureUsage::CopySrc; |
| wgpu::Texture texture = device.CreateTexture(&descriptor); |
| |
| RGBA8 filledWithOnes(255, 255, 255, 255); |
| EXPECT_PIXEL_RGBA8_EQ(filledWithOnes, texture, 0, 0); |
| } |
| |
| // Test that non-zero mip level clears to 1's because toggle is enabled. |
| TEST_P(NonzeroTextureCreationTests, MipMapClears) { |
| constexpr uint32_t mipLevels = 4; |
| |
| wgpu::TextureDescriptor descriptor; |
| descriptor.dimension = wgpu::TextureDimension::e2D; |
| descriptor.size.width = kSize; |
| descriptor.size.height = kSize; |
| descriptor.size.depth = 1; |
| descriptor.arrayLayerCount = 1; |
| descriptor.sampleCount = 1; |
| descriptor.format = wgpu::TextureFormat::RGBA8Unorm; |
| descriptor.mipLevelCount = mipLevels; |
| descriptor.usage = wgpu::TextureUsage::OutputAttachment | wgpu::TextureUsage::CopySrc; |
| wgpu::Texture texture = device.CreateTexture(&descriptor); |
| |
| std::vector<RGBA8> expected; |
| RGBA8 filledWithOnes(255, 255, 255, 255); |
| for (uint32_t i = 0; i < kSize * kSize; ++i) { |
| expected.push_back(filledWithOnes); |
| } |
| uint32_t mipSize = kSize >> 2; |
| EXPECT_TEXTURE_RGBA8_EQ(expected.data(), texture, 0, 0, mipSize, mipSize, 2, 0); |
| } |
| |
| // Test that non-zero array layers clears to 1's because toggle is enabled. |
| TEST_P(NonzeroTextureCreationTests, ArrayLayerClears) { |
| constexpr uint32_t arrayLayers = 4; |
| |
| wgpu::TextureDescriptor descriptor; |
| descriptor.dimension = wgpu::TextureDimension::e2D; |
| descriptor.size.width = kSize; |
| descriptor.size.height = kSize; |
| descriptor.size.depth = 1; |
| descriptor.arrayLayerCount = arrayLayers; |
| descriptor.sampleCount = 1; |
| descriptor.format = wgpu::TextureFormat::RGBA8Unorm; |
| descriptor.mipLevelCount = 1; |
| descriptor.usage = wgpu::TextureUsage::OutputAttachment | wgpu::TextureUsage::CopySrc; |
| wgpu::Texture texture = device.CreateTexture(&descriptor); |
| |
| std::vector<RGBA8> expected; |
| RGBA8 filledWithOnes(255, 255, 255, 255); |
| for (uint32_t i = 0; i < kSize * kSize; ++i) { |
| expected.push_back(filledWithOnes); |
| } |
| |
| EXPECT_TEXTURE_RGBA8_EQ(expected.data(), texture, 0, 0, kSize, kSize, 0, 2); |
| } |
| |
| // Test that nonrenderable texture formats clear to 1's because toggle is enabled |
| TEST_P(NonzeroTextureCreationTests, NonrenderableTextureFormat) { |
| wgpu::TextureDescriptor descriptor; |
| descriptor.dimension = wgpu::TextureDimension::e2D; |
| descriptor.size.width = kSize; |
| descriptor.size.height = kSize; |
| descriptor.size.depth = 1; |
| descriptor.arrayLayerCount = 1; |
| descriptor.sampleCount = 1; |
| descriptor.format = wgpu::TextureFormat::RGBA8Snorm; |
| descriptor.mipLevelCount = 1; |
| descriptor.usage = wgpu::TextureUsage::CopySrc; |
| wgpu::Texture texture = device.CreateTexture(&descriptor); |
| |
| // Set buffer with dirty data so we know it is cleared by the lazy cleared texture copy |
| uint32_t bufferSize = 4 * kSize * kSize; |
| std::vector<uint8_t> data(bufferSize, 100); |
| wgpu::Buffer bufferDst = utils::CreateBufferFromData( |
| device, data.data(), static_cast<uint32_t>(data.size()), wgpu::BufferUsage::CopySrc); |
| |
| wgpu::BufferCopyView bufferCopyView = utils::CreateBufferCopyView(bufferDst, 0, 0, 0); |
| wgpu::TextureCopyView textureCopyView = utils::CreateTextureCopyView(texture, 0, 0, {0, 0, 0}); |
| wgpu::Extent3D copySize = {kSize, kSize, 1}; |
| |
| wgpu::CommandEncoder encoder = device.CreateCommandEncoder(); |
| encoder.CopyTextureToBuffer(&textureCopyView, &bufferCopyView, ©Size); |
| wgpu::CommandBuffer commands = encoder.Finish(); |
| queue.Submit(1, &commands); |
| |
| std::vector<uint32_t> expected(bufferSize, 1); |
| EXPECT_BUFFER_U32_RANGE_EQ(expected.data(), bufferDst, 0, 8); |
| } |
| |
| // Test that textures with more than 1 array layers and nonrenderable texture formats clear to 1's |
| // because toggle is enabled |
| TEST_P(NonzeroTextureCreationTests, NonRenderableTextureClearWithMultiArrayLayers) { |
| // TODO(natlee@microsoft.com): skip for now on opengl because TextureClear nonrenderable |
| // textures does not create large enough buffers for array layers greater than 1. |
| DAWN_SKIP_TEST_IF(IsOpenGL()); |
| |
| wgpu::TextureDescriptor descriptor; |
| descriptor.dimension = wgpu::TextureDimension::e2D; |
| descriptor.size.width = kSize; |
| descriptor.size.height = kSize; |
| descriptor.size.depth = 1; |
| descriptor.arrayLayerCount = 2; |
| descriptor.sampleCount = 1; |
| descriptor.format = wgpu::TextureFormat::RGBA8Snorm; |
| descriptor.mipLevelCount = 1; |
| descriptor.usage = wgpu::TextureUsage::CopySrc; |
| wgpu::Texture texture = device.CreateTexture(&descriptor); |
| |
| // Set buffer with dirty data so we know it is cleared by the lazy cleared texture copy |
| uint32_t bufferSize = 4 * kSize * kSize; |
| std::vector<uint8_t> data(bufferSize, 100); |
| wgpu::Buffer bufferDst = utils::CreateBufferFromData( |
| device, data.data(), static_cast<uint32_t>(data.size()), wgpu::BufferUsage::CopySrc); |
| |
| wgpu::BufferCopyView bufferCopyView = utils::CreateBufferCopyView(bufferDst, 0, 0, 0); |
| wgpu::TextureCopyView textureCopyView = utils::CreateTextureCopyView(texture, 0, 1, {0, 0, 0}); |
| wgpu::Extent3D copySize = {kSize, kSize, 1}; |
| |
| wgpu::CommandEncoder encoder = device.CreateCommandEncoder(); |
| encoder.CopyTextureToBuffer(&textureCopyView, &bufferCopyView, ©Size); |
| wgpu::CommandBuffer commands = encoder.Finish(); |
| queue.Submit(1, &commands); |
| |
| std::vector<uint32_t> expectedWithZeros(bufferSize, 1); |
| EXPECT_BUFFER_U32_RANGE_EQ(expectedWithZeros.data(), bufferDst, 0, 8); |
| } |
| |
| DAWN_INSTANTIATE_TEST(NonzeroTextureCreationTests, |
| ForceToggles(D3D12Backend, |
| {"nonzero_clear_resources_on_creation_for_testing"}, |
| {"lazy_clear_resource_on_first_use"}), |
| ForceToggles(OpenGLBackend, |
| {"nonzero_clear_resources_on_creation_for_testing"}, |
| {"lazy_clear_resource_on_first_use"}), |
| ForceToggles(VulkanBackend, |
| {"nonzero_clear_resources_on_creation_for_testing"}, |
| {"lazy_clear_resource_on_first_use"})); |