| // Copyright 2018 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/Assert.h" |
| #include "common/Constants.h" |
| #include "common/Math.h" |
| #include "utils/ComboRenderPipelineDescriptor.h" |
| #include "utils/WGPUHelpers.h" |
| |
| #include <array> |
| |
| constexpr static unsigned int kRTSize = 64; |
| constexpr wgpu::TextureFormat kDefaultFormat = wgpu::TextureFormat::RGBA8Unorm; |
| constexpr uint32_t kBytesPerTexel = 4; |
| |
| namespace { |
| wgpu::Texture Create2DTexture(wgpu::Device device, |
| uint32_t width, |
| uint32_t height, |
| uint32_t arrayLayerCount, |
| uint32_t mipLevelCount, |
| wgpu::TextureUsage usage) { |
| wgpu::TextureDescriptor descriptor; |
| descriptor.dimension = wgpu::TextureDimension::e2D; |
| descriptor.size.width = width; |
| descriptor.size.height = height; |
| descriptor.size.depthOrArrayLayers = arrayLayerCount; |
| descriptor.sampleCount = 1; |
| descriptor.format = kDefaultFormat; |
| descriptor.mipLevelCount = mipLevelCount; |
| descriptor.usage = usage; |
| return device.CreateTexture(&descriptor); |
| } |
| |
| wgpu::Texture Create3DTexture(wgpu::Device device, |
| wgpu::Extent3D size, |
| uint32_t mipLevelCount, |
| wgpu::TextureUsage usage) { |
| wgpu::TextureDescriptor descriptor; |
| descriptor.dimension = wgpu::TextureDimension::e3D; |
| descriptor.size = size; |
| descriptor.sampleCount = 1; |
| descriptor.format = kDefaultFormat; |
| descriptor.mipLevelCount = mipLevelCount; |
| descriptor.usage = usage; |
| return device.CreateTexture(&descriptor); |
| } |
| |
| wgpu::ShaderModule CreateDefaultVertexShaderModule(wgpu::Device device) { |
| return utils::CreateShaderModule(device, R"( |
| struct VertexOut { |
| [[location(0)]] texCoord : vec2<f32>; |
| [[builtin(position)]] position : vec4<f32>; |
| }; |
| |
| [[stage(vertex)]] |
| fn main([[builtin(vertex_index)]] VertexIndex : u32) -> VertexOut { |
| var output : VertexOut; |
| var pos = array<vec2<f32>, 6>( |
| vec2<f32>(-2., -2.), |
| vec2<f32>(-2., 2.), |
| vec2<f32>( 2., -2.), |
| vec2<f32>(-2., 2.), |
| vec2<f32>( 2., -2.), |
| vec2<f32>( 2., 2.)); |
| var texCoord = array<vec2<f32>, 6>( |
| vec2<f32>(0., 0.), |
| vec2<f32>(0., 1.), |
| vec2<f32>(1., 0.), |
| vec2<f32>(0., 1.), |
| vec2<f32>(1., 0.), |
| vec2<f32>(1., 1.)); |
| output.position = vec4<f32>(pos[VertexIndex], 0., 1.); |
| output.texCoord = texCoord[VertexIndex]; |
| return output; |
| } |
| )"); |
| } |
| } // anonymous namespace |
| |
| class TextureViewSamplingTest : public DawnTest { |
| protected: |
| // Generates an arbitrary pixel value per-layer-per-level, used for the "actual" uploaded |
| // textures and the "expected" results. |
| static int GenerateTestPixelValue(uint32_t layer, uint32_t level) { |
| return static_cast<int>(level * 10) + static_cast<int>(layer + 1); |
| } |
| |
| void SetUp() override { |
| DawnTest::SetUp(); |
| |
| mRenderPass = utils::CreateBasicRenderPass(device, kRTSize, kRTSize); |
| |
| wgpu::FilterMode kFilterMode = wgpu::FilterMode::Nearest; |
| wgpu::AddressMode kAddressMode = wgpu::AddressMode::ClampToEdge; |
| |
| wgpu::SamplerDescriptor samplerDescriptor = {}; |
| samplerDescriptor.minFilter = kFilterMode; |
| samplerDescriptor.magFilter = kFilterMode; |
| samplerDescriptor.mipmapFilter = kFilterMode; |
| samplerDescriptor.addressModeU = kAddressMode; |
| samplerDescriptor.addressModeV = kAddressMode; |
| samplerDescriptor.addressModeW = kAddressMode; |
| mSampler = device.CreateSampler(&samplerDescriptor); |
| |
| mVSModule = CreateDefaultVertexShaderModule(device); |
| } |
| |
| void initTexture(uint32_t arrayLayerCount, uint32_t mipLevelCount) { |
| ASSERT(arrayLayerCount > 0 && mipLevelCount > 0); |
| |
| const uint32_t textureWidthLevel0 = 1 << mipLevelCount; |
| const uint32_t textureHeightLevel0 = 1 << mipLevelCount; |
| constexpr wgpu::TextureUsage kUsage = |
| wgpu::TextureUsage::CopyDst | wgpu::TextureUsage::Sampled; |
| mTexture = Create2DTexture(device, textureWidthLevel0, textureHeightLevel0, arrayLayerCount, |
| mipLevelCount, kUsage); |
| |
| mDefaultTextureViewDescriptor.dimension = wgpu::TextureViewDimension::e2DArray; |
| mDefaultTextureViewDescriptor.format = kDefaultFormat; |
| mDefaultTextureViewDescriptor.baseMipLevel = 0; |
| mDefaultTextureViewDescriptor.mipLevelCount = mipLevelCount; |
| mDefaultTextureViewDescriptor.baseArrayLayer = 0; |
| mDefaultTextureViewDescriptor.arrayLayerCount = arrayLayerCount; |
| |
| // Create a texture with pixel = (0, 0, 0, level * 10 + layer + 1) at level `level` and |
| // layer `layer`. |
| static_assert((kTextureBytesPerRowAlignment % sizeof(RGBA8)) == 0, |
| "Texture bytes per row alignment must be a multiple of sizeof(RGBA8)."); |
| constexpr uint32_t kPixelsPerRowPitch = kTextureBytesPerRowAlignment / sizeof(RGBA8); |
| ASSERT_LE(textureWidthLevel0, kPixelsPerRowPitch); |
| |
| wgpu::CommandEncoder encoder = device.CreateCommandEncoder(); |
| for (uint32_t layer = 0; layer < arrayLayerCount; ++layer) { |
| for (uint32_t level = 0; level < mipLevelCount; ++level) { |
| const uint32_t texWidth = textureWidthLevel0 >> level; |
| const uint32_t texHeight = textureHeightLevel0 >> level; |
| |
| const int pixelValue = GenerateTestPixelValue(layer, level); |
| |
| constexpr uint32_t kPaddedTexWidth = kPixelsPerRowPitch; |
| std::vector<RGBA8> data(kPaddedTexWidth * texHeight, RGBA8(0, 0, 0, pixelValue)); |
| wgpu::Buffer stagingBuffer = utils::CreateBufferFromData( |
| device, data.data(), data.size() * sizeof(RGBA8), wgpu::BufferUsage::CopySrc); |
| wgpu::ImageCopyBuffer imageCopyBuffer = |
| utils::CreateImageCopyBuffer(stagingBuffer, 0, kTextureBytesPerRowAlignment); |
| wgpu::ImageCopyTexture imageCopyTexture = |
| utils::CreateImageCopyTexture(mTexture, level, {0, 0, layer}); |
| wgpu::Extent3D copySize = {texWidth, texHeight, 1}; |
| encoder.CopyBufferToTexture(&imageCopyBuffer, &imageCopyTexture, ©Size); |
| } |
| } |
| wgpu::CommandBuffer copy = encoder.Finish(); |
| queue.Submit(1, ©); |
| } |
| |
| void Verify(const wgpu::TextureView& textureView, const char* fragmentShader, int expected) { |
| wgpu::ShaderModule fsModule = utils::CreateShaderModule(device, fragmentShader); |
| |
| utils::ComboRenderPipelineDescriptor textureDescriptor; |
| textureDescriptor.vertex.module = mVSModule; |
| textureDescriptor.cFragment.module = fsModule; |
| textureDescriptor.cTargets[0].format = mRenderPass.colorFormat; |
| |
| wgpu::RenderPipeline pipeline = device.CreateRenderPipeline(&textureDescriptor); |
| |
| wgpu::BindGroup bindGroup = utils::MakeBindGroup(device, pipeline.GetBindGroupLayout(0), |
| {{0, mSampler}, {1, textureView}}); |
| |
| wgpu::CommandEncoder encoder = device.CreateCommandEncoder(); |
| { |
| wgpu::RenderPassEncoder pass = encoder.BeginRenderPass(&mRenderPass.renderPassInfo); |
| pass.SetPipeline(pipeline); |
| pass.SetBindGroup(0, bindGroup); |
| pass.Draw(6); |
| pass.EndPass(); |
| } |
| |
| wgpu::CommandBuffer commands = encoder.Finish(); |
| queue.Submit(1, &commands); |
| |
| RGBA8 expectedPixel(0, 0, 0, expected); |
| EXPECT_PIXEL_RGBA8_EQ(expectedPixel, mRenderPass.color, 0, 0); |
| EXPECT_PIXEL_RGBA8_EQ(expectedPixel, mRenderPass.color, mRenderPass.width - 1, |
| mRenderPass.height - 1); |
| // TODO(jiawei.shao@intel.com): add tests for 3D textures once Dawn supports 3D textures |
| } |
| |
| void Texture2DViewTest(uint32_t textureArrayLayers, |
| uint32_t textureMipLevels, |
| uint32_t textureViewBaseLayer, |
| uint32_t textureViewBaseMipLevel) { |
| // TODO(crbug.com/dawn/593): This test requires glTextureView, which is unsupported on GLES. |
| DAWN_TEST_UNSUPPORTED_IF(IsOpenGLES()); |
| ASSERT(textureViewBaseLayer < textureArrayLayers); |
| ASSERT(textureViewBaseMipLevel < textureMipLevels); |
| |
| initTexture(textureArrayLayers, textureMipLevels); |
| |
| wgpu::TextureViewDescriptor descriptor = mDefaultTextureViewDescriptor; |
| descriptor.dimension = wgpu::TextureViewDimension::e2D; |
| descriptor.baseArrayLayer = textureViewBaseLayer; |
| descriptor.arrayLayerCount = 1; |
| descriptor.baseMipLevel = textureViewBaseMipLevel; |
| descriptor.mipLevelCount = 1; |
| wgpu::TextureView textureView = mTexture.CreateView(&descriptor); |
| |
| const char* fragmentShader = R"( |
| [[group(0), binding(0)]] var sampler0 : sampler; |
| [[group(0), binding(1)]] var texture0 : texture_2d<f32>; |
| |
| [[stage(fragment)]] |
| fn main([[location(0)]] texCoord : vec2<f32>) -> [[location(0)]] vec4<f32> { |
| return textureSample(texture0, sampler0, texCoord); |
| } |
| )"; |
| |
| const int expected = GenerateTestPixelValue(textureViewBaseLayer, textureViewBaseMipLevel); |
| Verify(textureView, fragmentShader, expected); |
| } |
| |
| void Texture2DArrayViewTest(uint32_t textureArrayLayers, |
| uint32_t textureMipLevels, |
| uint32_t textureViewBaseLayer, |
| uint32_t textureViewBaseMipLevel) { |
| // TODO(crbug.com/dawn/593): This test requires glTextureView, which is unsupported on GLES. |
| DAWN_TEST_UNSUPPORTED_IF(IsOpenGLES()); |
| ASSERT(textureViewBaseLayer < textureArrayLayers); |
| ASSERT(textureViewBaseMipLevel < textureMipLevels); |
| |
| // We always set the layer count of the texture view to be 3 to match the fragment shader in |
| // this test. |
| constexpr uint32_t kTextureViewLayerCount = 3; |
| ASSERT(textureArrayLayers >= textureViewBaseLayer + kTextureViewLayerCount); |
| |
| initTexture(textureArrayLayers, textureMipLevels); |
| |
| wgpu::TextureViewDescriptor descriptor = mDefaultTextureViewDescriptor; |
| descriptor.dimension = wgpu::TextureViewDimension::e2DArray; |
| descriptor.baseArrayLayer = textureViewBaseLayer; |
| descriptor.arrayLayerCount = kTextureViewLayerCount; |
| descriptor.baseMipLevel = textureViewBaseMipLevel; |
| descriptor.mipLevelCount = 1; |
| wgpu::TextureView textureView = mTexture.CreateView(&descriptor); |
| |
| const char* fragmentShader = R"( |
| [[group(0), binding(0)]] var sampler0 : sampler; |
| [[group(0), binding(1)]] var texture0 : texture_2d_array<f32>; |
| |
| [[stage(fragment)]] |
| fn main([[location(0)]] texCoord : vec2<f32>) -> [[location(0)]] vec4<f32> { |
| return textureSample(texture0, sampler0, texCoord, 0) + |
| textureSample(texture0, sampler0, texCoord, 1) + |
| textureSample(texture0, sampler0, texCoord, 2); |
| } |
| )"; |
| |
| int expected = 0; |
| for (int i = 0; i < static_cast<int>(kTextureViewLayerCount); ++i) { |
| expected += GenerateTestPixelValue(textureViewBaseLayer + i, textureViewBaseMipLevel); |
| } |
| Verify(textureView, fragmentShader, expected); |
| } |
| |
| std::string CreateFragmentShaderForCubeMapFace(uint32_t layer, bool isCubeMapArray) { |
| // Reference: https://en.wikipedia.org/wiki/Cube_mapping |
| const std::array<std::string, 6> kCoordsToCubeMapFace = {{ |
| " 1., tc, -sc", // Positive X |
| "-1., tc, sc", // Negative X |
| " sc, 1., -tc", // Positive Y |
| " sc, -1., tc", // Negative Y |
| " sc, tc, 1.", // Positive Z |
| "-sc, tc, -1.", // Negative Z |
| }}; |
| |
| const std::string textureType = isCubeMapArray ? "texture_cube_array" : "texture_cube"; |
| const uint32_t cubeMapArrayIndex = layer / 6; |
| const std::string coordToCubeMapFace = kCoordsToCubeMapFace[layer % 6]; |
| |
| std::ostringstream stream; |
| stream << R"( |
| [[group(0), binding(0)]] var sampler0 : sampler; |
| [[group(0), binding(1)]] var texture0 : )" |
| << textureType << R"(<f32>; |
| [[stage(fragment)]] |
| fn main([[location(0)]] texCoord : vec2<f32>) -> [[location(0)]] vec4<f32> { |
| var sc : f32 = 2.0 * texCoord.x - 1.0; |
| var tc : f32 = 2.0 * texCoord.y - 1.0; |
| return textureSample(texture0, sampler0, vec3<f32>()" |
| << coordToCubeMapFace << ")"; |
| |
| if (isCubeMapArray) { |
| stream << ", " << cubeMapArrayIndex; |
| } |
| |
| stream << R"(); |
| })"; |
| |
| return stream.str(); |
| } |
| |
| void TextureCubeMapTest(uint32_t textureArrayLayers, |
| uint32_t textureViewBaseLayer, |
| uint32_t textureViewLayerCount, |
| bool isCubeMapArray) { |
| // TODO(crbug.com/dawn/600): In OpenGL ES, cube map textures cannot be treated as arrays |
| // of 2D textures. Find a workaround. |
| DAWN_TEST_UNSUPPORTED_IF(IsOpenGLES()); |
| constexpr uint32_t kMipLevels = 1u; |
| initTexture(textureArrayLayers, kMipLevels); |
| |
| ASSERT_TRUE((textureViewLayerCount == 6) || |
| (isCubeMapArray && textureViewLayerCount % 6 == 0)); |
| wgpu::TextureViewDimension dimension = (isCubeMapArray) |
| ? wgpu::TextureViewDimension::CubeArray |
| : wgpu::TextureViewDimension::Cube; |
| |
| wgpu::TextureViewDescriptor descriptor = mDefaultTextureViewDescriptor; |
| descriptor.dimension = dimension; |
| descriptor.baseArrayLayer = textureViewBaseLayer; |
| descriptor.arrayLayerCount = textureViewLayerCount; |
| |
| wgpu::TextureView cubeMapTextureView = mTexture.CreateView(&descriptor); |
| |
| // Check the data in the every face of the cube map (array) texture view. |
| for (uint32_t layer = 0; layer < textureViewLayerCount; ++layer) { |
| const std::string& fragmentShader = |
| CreateFragmentShaderForCubeMapFace(layer, isCubeMapArray); |
| |
| int expected = GenerateTestPixelValue(textureViewBaseLayer + layer, 0); |
| Verify(cubeMapTextureView, fragmentShader.c_str(), expected); |
| } |
| } |
| |
| wgpu::Sampler mSampler; |
| wgpu::Texture mTexture; |
| wgpu::TextureViewDescriptor mDefaultTextureViewDescriptor; |
| wgpu::ShaderModule mVSModule; |
| utils::BasicRenderPass mRenderPass; |
| }; |
| |
| // Test drawing a rect with a 2D array texture. |
| TEST_P(TextureViewSamplingTest, Default2DArrayTexture) { |
| // TODO(cwallez@chromium.org) understand what the issue is |
| DAWN_SUPPRESS_TEST_IF(IsVulkan() && IsNvidia()); |
| |
| constexpr uint32_t kLayers = 3; |
| constexpr uint32_t kMipLevels = 1; |
| initTexture(kLayers, kMipLevels); |
| |
| wgpu::TextureView textureView = mTexture.CreateView(); |
| |
| const char* fragmentShader = R"( |
| [[group(0), binding(0)]] var sampler0 : sampler; |
| [[group(0), binding(1)]] var texture0 : texture_2d_array<f32>; |
| |
| [[stage(fragment)]] |
| fn main([[location(0)]] texCoord : vec2<f32>) -> [[location(0)]] vec4<f32> { |
| return textureSample(texture0, sampler0, texCoord, 0) + |
| textureSample(texture0, sampler0, texCoord, 1) + |
| textureSample(texture0, sampler0, texCoord, 2); |
| } |
| )"; |
| |
| const int expected = |
| GenerateTestPixelValue(0, 0) + GenerateTestPixelValue(1, 0) + GenerateTestPixelValue(2, 0); |
| Verify(textureView, fragmentShader, expected); |
| } |
| |
| // Test sampling from a 2D texture view created on a 2D array texture. |
| TEST_P(TextureViewSamplingTest, Texture2DViewOn2DArrayTexture) { |
| Texture2DViewTest(6, 1, 4, 0); |
| } |
| |
| // Test sampling from a 2D array texture view created on a 2D array texture. |
| TEST_P(TextureViewSamplingTest, Texture2DArrayViewOn2DArrayTexture) { |
| DAWN_SUPPRESS_TEST_IF(IsMetal() && IsIntel()); |
| Texture2DArrayViewTest(6, 1, 2, 0); |
| } |
| |
| // Test sampling from a 2D texture view created on a mipmap level of a 2D texture. |
| TEST_P(TextureViewSamplingTest, Texture2DViewOnOneLevelOf2DTexture) { |
| Texture2DViewTest(1, 6, 0, 4); |
| } |
| |
| // Test sampling from a 2D texture view created on a mipmap level of a 2D array texture layer. |
| TEST_P(TextureViewSamplingTest, Texture2DViewOnOneLevelOf2DArrayTexture) { |
| Texture2DViewTest(6, 6, 3, 4); |
| } |
| |
| // Test sampling from a 2D array texture view created on a mipmap level of a 2D array texture. |
| TEST_P(TextureViewSamplingTest, Texture2DArrayViewOnOneLevelOf2DArrayTexture) { |
| DAWN_SUPPRESS_TEST_IF(IsMetal() && IsIntel()); |
| Texture2DArrayViewTest(6, 6, 2, 4); |
| } |
| |
| // Test sampling from a cube map texture view that covers a whole 2D array texture. |
| TEST_P(TextureViewSamplingTest, TextureCubeMapOnWholeTexture) { |
| constexpr uint32_t kTotalLayers = 6; |
| TextureCubeMapTest(kTotalLayers, 0, kTotalLayers, false); |
| } |
| |
| // Test sampling from a cube map texture view that covers a sub part of a 2D array texture. |
| TEST_P(TextureViewSamplingTest, TextureCubeMapViewOnPartOfTexture) { |
| TextureCubeMapTest(10, 2, 6, false); |
| } |
| |
| // Test sampling from a cube map texture view that covers the last layer of a 2D array texture. |
| TEST_P(TextureViewSamplingTest, TextureCubeMapViewCoveringLastLayer) { |
| constexpr uint32_t kTotalLayers = 10; |
| constexpr uint32_t kBaseLayer = 4; |
| TextureCubeMapTest(kTotalLayers, kBaseLayer, kTotalLayers - kBaseLayer, false); |
| } |
| |
| // Test sampling from a cube map texture array view that covers a whole 2D array texture. |
| TEST_P(TextureViewSamplingTest, TextureCubeMapArrayOnWholeTexture) { |
| constexpr uint32_t kTotalLayers = 12; |
| TextureCubeMapTest(kTotalLayers, 0, kTotalLayers, true); |
| } |
| |
| // Test sampling from a cube map texture array view that covers a sub part of a 2D array texture. |
| TEST_P(TextureViewSamplingTest, TextureCubeMapArrayViewOnPartOfTexture) { |
| // Test failing on the GPU FYI Mac Pro (AMD), see |
| // https://bugs.chromium.org/p/dawn/issues/detail?id=58 |
| DAWN_SUPPRESS_TEST_IF(IsMacOS() && IsMetal() && IsAMD()); |
| |
| TextureCubeMapTest(20, 3, 12, true); |
| } |
| |
| // Test sampling from a cube map texture array view that covers the last layer of a 2D array |
| // texture. |
| TEST_P(TextureViewSamplingTest, TextureCubeMapArrayViewCoveringLastLayer) { |
| // Test failing on the GPU FYI Mac Pro (AMD), see |
| // https://bugs.chromium.org/p/dawn/issues/detail?id=58 |
| DAWN_SUPPRESS_TEST_IF(IsMacOS() && IsMetal() && IsAMD()); |
| |
| constexpr uint32_t kTotalLayers = 20; |
| constexpr uint32_t kBaseLayer = 8; |
| TextureCubeMapTest(kTotalLayers, kBaseLayer, kTotalLayers - kBaseLayer, true); |
| } |
| |
| // Test sampling from a cube map array texture view that only has a single cube map. |
| TEST_P(TextureViewSamplingTest, TextureCubeMapArrayViewSingleCubeMap) { |
| // Test failing on the GPU FYI Mac Pro (AMD), see |
| // https://bugs.chromium.org/p/dawn/issues/detail?id=58 |
| DAWN_SUPPRESS_TEST_IF(IsMacOS() && IsMetal() && IsAMD()); |
| |
| TextureCubeMapTest(20, 7, 6, true); |
| } |
| |
| class TextureViewRenderingTest : public DawnTest { |
| protected: |
| void TextureLayerAsColorAttachmentTest(wgpu::TextureViewDimension dimension, |
| uint32_t layerCount, |
| uint32_t levelCount, |
| uint32_t textureViewBaseLayer, |
| uint32_t textureViewBaseLevel, |
| uint32_t textureWidthLevel0, |
| uint32_t textureHeightLevel0) { |
| ASSERT(dimension == wgpu::TextureViewDimension::e2D || |
| dimension == wgpu::TextureViewDimension::e2DArray); |
| ASSERT_LT(textureViewBaseLayer, layerCount); |
| ASSERT_LT(textureViewBaseLevel, levelCount); |
| |
| constexpr wgpu::TextureUsage kUsage = |
| wgpu::TextureUsage::RenderAttachment | wgpu::TextureUsage::CopySrc; |
| wgpu::Texture texture = Create2DTexture(device, textureWidthLevel0, textureHeightLevel0, |
| layerCount, levelCount, kUsage); |
| |
| wgpu::TextureViewDescriptor descriptor; |
| descriptor.format = kDefaultFormat; |
| descriptor.dimension = dimension; |
| descriptor.baseArrayLayer = textureViewBaseLayer; |
| descriptor.arrayLayerCount = 1; |
| descriptor.baseMipLevel = textureViewBaseLevel; |
| descriptor.mipLevelCount = 1; |
| wgpu::TextureView textureView = texture.CreateView(&descriptor); |
| |
| wgpu::ShaderModule vsModule = CreateDefaultVertexShaderModule(device); |
| |
| // Clear textureView with Red(255, 0, 0, 255) and render Green(0, 255, 0, 255) into it |
| utils::ComboRenderPassDescriptor renderPassInfo({textureView}); |
| renderPassInfo.cColorAttachments[0].clearColor = {1.0f, 0.0f, 0.0f, 1.0f}; |
| |
| const char* oneColorFragmentShader = R"( |
| [[stage(fragment)]] fn main() -> [[location(0)]] vec4<f32> { |
| return vec4<f32>(0.0, 1.0, 0.0, 1.0); |
| } |
| )"; |
| wgpu::ShaderModule oneColorFsModule = |
| utils::CreateShaderModule(device, oneColorFragmentShader); |
| |
| utils::ComboRenderPipelineDescriptor pipelineDescriptor; |
| pipelineDescriptor.vertex.module = vsModule; |
| pipelineDescriptor.cFragment.module = oneColorFsModule; |
| pipelineDescriptor.cTargets[0].format = kDefaultFormat; |
| |
| wgpu::RenderPipeline oneColorPipeline = device.CreateRenderPipeline(&pipelineDescriptor); |
| |
| wgpu::CommandEncoder encoder = device.CreateCommandEncoder(); |
| { |
| wgpu::RenderPassEncoder pass = encoder.BeginRenderPass(&renderPassInfo); |
| pass.SetPipeline(oneColorPipeline); |
| pass.Draw(6); |
| pass.EndPass(); |
| } |
| |
| wgpu::CommandBuffer commands = encoder.Finish(); |
| queue.Submit(1, &commands); |
| |
| // Check if the right pixels (Green) have been written into the right part of the texture. |
| uint32_t textureViewWidth = std::max(1u, textureWidthLevel0 >> textureViewBaseLevel); |
| uint32_t textureViewHeight = std::max(1u, textureHeightLevel0 >> textureViewBaseLevel); |
| uint32_t bytesPerRow = |
| Align(kBytesPerTexel * textureWidthLevel0, kTextureBytesPerRowAlignment); |
| uint32_t expectedDataSize = |
| bytesPerRow / kBytesPerTexel * (textureWidthLevel0 - 1) + textureHeightLevel0; |
| constexpr RGBA8 kExpectedPixel(0, 255, 0, 255); |
| std::vector<RGBA8> expected(expectedDataSize, kExpectedPixel); |
| EXPECT_TEXTURE_EQ(expected.data(), texture, {0, 0, textureViewBaseLayer}, |
| {textureViewWidth, textureViewHeight}, textureViewBaseLevel); |
| } |
| }; |
| |
| // Test rendering into a 2D texture view created on a mipmap level of a 2D texture. |
| TEST_P(TextureViewRenderingTest, Texture2DViewOnALevelOf2DTextureAsColorAttachment) { |
| constexpr uint32_t kLayers = 1; |
| constexpr uint32_t kMipLevels = 4; |
| constexpr uint32_t kBaseLayer = 0; |
| |
| // Rendering into the first level |
| { |
| constexpr uint32_t kBaseLevel = 0; |
| TextureLayerAsColorAttachmentTest(wgpu::TextureViewDimension::e2D, kLayers, kMipLevels, |
| kBaseLayer, kBaseLevel, 1 << kMipLevels, 1 << kMipLevels); |
| } |
| |
| // Rendering into the last level |
| { |
| constexpr uint32_t kBaseLevel = kMipLevels - 1; |
| TextureLayerAsColorAttachmentTest(wgpu::TextureViewDimension::e2D, kLayers, kMipLevels, |
| kBaseLayer, kBaseLevel, 1 << kMipLevels, 1 << kMipLevels); |
| } |
| } |
| |
| // Test rendering into a 2D texture view created on a mipmap level of a rectangular 2D texture. |
| TEST_P(TextureViewRenderingTest, Texture2DViewOnALevelOfRectangular2DTextureAsColorAttachment) { |
| constexpr uint32_t kLayers = 1; |
| constexpr uint32_t kMipLevels = 4; |
| constexpr uint32_t kBaseLayer = 0; |
| |
| // Rendering into the first level |
| { |
| constexpr uint32_t kBaseLevel = 0; |
| TextureLayerAsColorAttachmentTest(wgpu::TextureViewDimension::e2D, kLayers, kMipLevels, |
| kBaseLayer, kBaseLevel, 1 << kMipLevels, |
| 1 << (kMipLevels - 2)); |
| TextureLayerAsColorAttachmentTest(wgpu::TextureViewDimension::e2D, kLayers, kMipLevels, |
| kBaseLayer, kBaseLevel, 1 << (kMipLevels - 2), |
| 1 << kMipLevels); |
| } |
| |
| // Rendering into the last level |
| { |
| constexpr uint32_t kBaseLevel = kMipLevels - 1; |
| TextureLayerAsColorAttachmentTest(wgpu::TextureViewDimension::e2D, kLayers, kMipLevels, |
| kBaseLayer, kBaseLevel, 1 << kMipLevels, |
| 1 << (kMipLevels - 2)); |
| TextureLayerAsColorAttachmentTest(wgpu::TextureViewDimension::e2D, kLayers, kMipLevels, |
| kBaseLayer, kBaseLevel, 1 << (kMipLevels - 2), |
| 1 << kMipLevels); |
| } |
| } |
| |
| // Test rendering into a 2D texture view created on a layer of a 2D array texture. |
| TEST_P(TextureViewRenderingTest, Texture2DViewOnALayerOf2DArrayTextureAsColorAttachment) { |
| constexpr uint32_t kMipLevels = 1; |
| constexpr uint32_t kBaseLevel = 0; |
| constexpr uint32_t kLayers = 10; |
| |
| // Rendering into the first layer |
| { |
| constexpr uint32_t kBaseLayer = 0; |
| TextureLayerAsColorAttachmentTest(wgpu::TextureViewDimension::e2D, kLayers, kMipLevels, |
| kBaseLayer, kBaseLevel, 1 << kMipLevels, 1 << kMipLevels); |
| } |
| |
| // Rendering into the last layer |
| { |
| constexpr uint32_t kBaseLayer = kLayers - 1; |
| TextureLayerAsColorAttachmentTest(wgpu::TextureViewDimension::e2D, kLayers, kMipLevels, |
| kBaseLayer, kBaseLevel, 1 << kMipLevels, 1 << kMipLevels); |
| } |
| } |
| |
| // Test rendering into a 1-layer 2D array texture view created on a mipmap level of a 2D texture. |
| TEST_P(TextureViewRenderingTest, Texture2DArrayViewOnALevelOf2DTextureAsColorAttachment) { |
| constexpr uint32_t kLayers = 1; |
| constexpr uint32_t kMipLevels = 4; |
| constexpr uint32_t kBaseLayer = 0; |
| |
| // Rendering into the first level |
| { |
| constexpr uint32_t kBaseLevel = 0; |
| TextureLayerAsColorAttachmentTest(wgpu::TextureViewDimension::e2DArray, kLayers, kMipLevels, |
| kBaseLayer, kBaseLevel, 1 << kMipLevels, 1 << kMipLevels); |
| } |
| |
| // Rendering into the last level |
| { |
| constexpr uint32_t kBaseLevel = kMipLevels - 1; |
| TextureLayerAsColorAttachmentTest(wgpu::TextureViewDimension::e2DArray, kLayers, kMipLevels, |
| kBaseLayer, kBaseLevel, 1 << kMipLevels, 1 << kMipLevels); |
| } |
| } |
| |
| // Test rendering into a 1-layer 2D array texture view created on a layer of a 2D array texture. |
| TEST_P(TextureViewRenderingTest, Texture2DArrayViewOnALayerOf2DArrayTextureAsColorAttachment) { |
| constexpr uint32_t kMipLevels = 1; |
| constexpr uint32_t kBaseLevel = 0; |
| constexpr uint32_t kLayers = 10; |
| |
| // Rendering into the first layer |
| { |
| constexpr uint32_t kBaseLayer = 0; |
| TextureLayerAsColorAttachmentTest(wgpu::TextureViewDimension::e2DArray, kLayers, kMipLevels, |
| kBaseLayer, kBaseLevel, 1 << kMipLevels, 1 << kMipLevels); |
| } |
| |
| // Rendering into the last layer |
| { |
| constexpr uint32_t kBaseLayer = kLayers - 1; |
| TextureLayerAsColorAttachmentTest(wgpu::TextureViewDimension::e2DArray, kLayers, kMipLevels, |
| kBaseLayer, kBaseLevel, 1 << kMipLevels, 1 << kMipLevels); |
| } |
| } |
| |
| DAWN_INSTANTIATE_TEST(TextureViewSamplingTest, |
| D3D12Backend(), |
| MetalBackend(), |
| OpenGLBackend(), |
| OpenGLESBackend(), |
| VulkanBackend()); |
| |
| DAWN_INSTANTIATE_TEST(TextureViewRenderingTest, |
| D3D12Backend(), |
| MetalBackend(), |
| OpenGLBackend(), |
| OpenGLESBackend(), |
| VulkanBackend()); |
| |
| class TextureViewTest : public DawnTest {}; |
| |
| // This is a regression test for crbug.com/dawn/399 where creating a texture view with only copy |
| // usage would cause the Vulkan validation layers to warn |
| TEST_P(TextureViewTest, OnlyCopySrcDst) { |
| wgpu::TextureDescriptor descriptor; |
| descriptor.size = {4, 4, 1}; |
| descriptor.usage = wgpu::TextureUsage::CopySrc | wgpu::TextureUsage::CopyDst; |
| descriptor.format = wgpu::TextureFormat::RGBA8Unorm; |
| |
| wgpu::Texture texture = device.CreateTexture(&descriptor); |
| wgpu::TextureView view = texture.CreateView(); |
| } |
| |
| DAWN_INSTANTIATE_TEST(TextureViewTest, |
| D3D12Backend(), |
| MetalBackend(), |
| OpenGLBackend(), |
| OpenGLESBackend(), |
| VulkanBackend()); |
| |
| class TextureView3DTest : public DawnTest {}; |
| |
| // Test that 3D textures and 3D texture views can be created successfully |
| TEST_P(TextureView3DTest, BasicTest) { |
| wgpu::Texture texture = Create3DTexture(device, {4, 4, 4}, 3, wgpu::TextureUsage::Sampled); |
| wgpu::TextureView view = texture.CreateView(); |
| } |
| |
| DAWN_INSTANTIATE_TEST(TextureView3DTest, |
| D3D12Backend(), |
| MetalBackend(), |
| OpenGLBackend(), |
| OpenGLESBackend(), |
| VulkanBackend()); |
