| // 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::TextureBinding; | |
| 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::TextureViewDescriptor descriptor; | |
| descriptor.dimension = wgpu::TextureViewDimension::e2DArray; | |
| 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); | |
| } | |
| )"; | |
| 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)]] texCoord : vec2<f32>) -> | |
| [[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(); | |
| } | |
| // Test that a texture view can be created from a destroyed texture without | |
| // backend errors. | |
| TEST_P(TextureViewTest, DestroyedTexture) { | |
| wgpu::TextureDescriptor descriptor; | |
| descriptor.size = {4, 4, 2}; | |
| descriptor.usage = wgpu::TextureUsage::TextureBinding | wgpu::TextureUsage::CopyDst; | |
| descriptor.format = wgpu::TextureFormat::RGBA8Unorm; | |
| wgpu::Texture texture = device.CreateTexture(&descriptor); | |
| texture.Destroy(); | |
| wgpu::TextureViewDescriptor viewDesc = {}; | |
| viewDesc.baseArrayLayer = 1; | |
| viewDesc.arrayLayerCount = 1; | |
| wgpu::TextureView view = texture.CreateView(&viewDesc); | |
| } | |
| 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::TextureBinding); | |
| wgpu::TextureView view = texture.CreateView(); | |
| } | |
| DAWN_INSTANTIATE_TEST(TextureView3DTest, | |
| D3D12Backend(), | |
| MetalBackend(), | |
| OpenGLBackend(), | |
| OpenGLESBackend(), | |
| VulkanBackend()); |