| // 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/unittests/validation/ValidationTest.h" |
| |
| #include "common/Constants.h" |
| #include "utils/ComboRenderPipelineDescriptor.h" |
| #include "utils/TextureUtils.h" |
| #include "utils/WGPUHelpers.h" |
| |
| namespace { |
| |
| constexpr wgpu::TextureFormat kNonRenderableColorFormats[] = { |
| wgpu::TextureFormat::RG11B10Ufloat, wgpu::TextureFormat::RGB9E5Ufloat, |
| wgpu::TextureFormat::R8Snorm, wgpu::TextureFormat::RG8Snorm, |
| wgpu::TextureFormat::RGBA8Snorm, |
| }; |
| |
| class TextureValidationTest : public ValidationTest { |
| protected: |
| void SetUp() override { |
| ValidationTest::SetUp(); |
| |
| queue = device.GetQueue(); |
| } |
| |
| wgpu::TextureDescriptor CreateDefaultTextureDescriptor() { |
| wgpu::TextureDescriptor descriptor; |
| descriptor.size.width = kWidth; |
| descriptor.size.height = kHeight; |
| descriptor.size.depthOrArrayLayers = kDefaultDepth; |
| descriptor.mipLevelCount = kDefaultMipLevels; |
| descriptor.sampleCount = kDefaultSampleCount; |
| descriptor.dimension = wgpu::TextureDimension::e2D; |
| descriptor.format = kDefaultTextureFormat; |
| descriptor.usage = |
| wgpu::TextureUsage::RenderAttachment | wgpu::TextureUsage::TextureBinding; |
| return descriptor; |
| } |
| |
| wgpu::Queue queue; |
| |
| private: |
| // Choose the LCM of all current compressed texture format texel dimensions as the |
| // dimensions of the default texture. |
| static constexpr uint32_t kWidth = 120; |
| static constexpr uint32_t kHeight = 120; |
| static constexpr uint32_t kDefaultDepth = 1; |
| static constexpr uint32_t kDefaultMipLevels = 1; |
| static constexpr uint32_t kDefaultSampleCount = 1; |
| |
| static constexpr wgpu::TextureFormat kDefaultTextureFormat = |
| wgpu::TextureFormat::RGBA8Unorm; |
| }; |
| |
| // Test the validation of sample count |
| TEST_F(TextureValidationTest, SampleCount) { |
| wgpu::TextureDescriptor defaultDescriptor = CreateDefaultTextureDescriptor(); |
| |
| // sampleCount == 1 is allowed. |
| { |
| wgpu::TextureDescriptor descriptor = defaultDescriptor; |
| descriptor.sampleCount = 1; |
| |
| device.CreateTexture(&descriptor); |
| } |
| |
| // sampleCount == 4 is allowed. |
| { |
| wgpu::TextureDescriptor descriptor = defaultDescriptor; |
| descriptor.sampleCount = 4; |
| |
| device.CreateTexture(&descriptor); |
| } |
| |
| // It is an error to create a texture with an invalid sampleCount. |
| { |
| wgpu::TextureDescriptor descriptor = defaultDescriptor; |
| descriptor.sampleCount = 3; |
| |
| ASSERT_DEVICE_ERROR(device.CreateTexture(&descriptor)); |
| } |
| |
| // It is an error to create a multisampled texture with mipLevelCount > 1. |
| { |
| wgpu::TextureDescriptor descriptor = defaultDescriptor; |
| descriptor.sampleCount = 4; |
| descriptor.mipLevelCount = 2; |
| |
| ASSERT_DEVICE_ERROR(device.CreateTexture(&descriptor)); |
| } |
| |
| // It is an error to create a multisampled 1D or 3D texture. |
| { |
| wgpu::TextureDescriptor descriptor = defaultDescriptor; |
| descriptor.sampleCount = 4; |
| |
| descriptor.size.height = 1; |
| descriptor.dimension = wgpu::TextureDimension::e1D; |
| ASSERT_DEVICE_ERROR(device.CreateTexture(&descriptor)); |
| |
| descriptor.dimension = wgpu::TextureDimension::e3D; |
| ASSERT_DEVICE_ERROR(device.CreateTexture(&descriptor)); |
| } |
| |
| // It is an error to create a multisample texture when the format cannot support |
| // multisample. |
| { |
| wgpu::TextureDescriptor descriptor = defaultDescriptor; |
| descriptor.sampleCount = 4; |
| |
| for (wgpu::TextureFormat format : kNonRenderableColorFormats) { |
| // If a format can support multisample, it must be renderable. |
| descriptor.format = format; |
| ASSERT_DEVICE_ERROR(device.CreateTexture(&descriptor)); |
| } |
| } |
| |
| // Currently we do not support multisampled 2D textures with depth>1. |
| { |
| wgpu::TextureDescriptor descriptor = defaultDescriptor; |
| descriptor.sampleCount = 4; |
| descriptor.size.depthOrArrayLayers = 2; |
| |
| ASSERT_DEVICE_ERROR(device.CreateTexture(&descriptor)); |
| } |
| |
| // It is an error to set TextureUsage::StorageBinding when sampleCount > 1. |
| { |
| wgpu::TextureDescriptor descriptor = defaultDescriptor; |
| descriptor.sampleCount = 4; |
| descriptor.usage |= wgpu::TextureUsage::StorageBinding; |
| |
| ASSERT_DEVICE_ERROR(device.CreateTexture(&descriptor)); |
| } |
| } |
| |
| // Test the validation of the mip level count |
| TEST_F(TextureValidationTest, MipLevelCount) { |
| wgpu::TextureDescriptor defaultDescriptor = CreateDefaultTextureDescriptor(); |
| |
| // mipLevelCount == 1 is allowed |
| { |
| wgpu::TextureDescriptor descriptor = defaultDescriptor; |
| descriptor.size.width = 32; |
| descriptor.size.height = 32; |
| descriptor.mipLevelCount = 1; |
| |
| device.CreateTexture(&descriptor); |
| } |
| |
| // mipLevelCount == 0 is an error |
| { |
| wgpu::TextureDescriptor descriptor = defaultDescriptor; |
| descriptor.size.width = 32; |
| descriptor.size.height = 32; |
| descriptor.mipLevelCount = 0; |
| |
| ASSERT_DEVICE_ERROR(device.CreateTexture(&descriptor)); |
| } |
| |
| // Full mip chains are allowed |
| { |
| wgpu::TextureDescriptor descriptor = defaultDescriptor; |
| descriptor.size.width = 32; |
| descriptor.size.height = 32; |
| // Mip level sizes: 32, 16, 8, 4, 2, 1 |
| descriptor.mipLevelCount = 6; |
| |
| device.CreateTexture(&descriptor); |
| } |
| |
| // Test non-power-of-two width |
| { |
| wgpu::TextureDescriptor descriptor = defaultDescriptor; |
| // Mip level width: 31, 15, 7, 3, 1 |
| descriptor.size.width = 31; |
| descriptor.size.height = 4; |
| |
| // Full mip chains on non-power-of-two width are allowed |
| descriptor.mipLevelCount = 5; |
| device.CreateTexture(&descriptor); |
| |
| // Too big mip chains on non-power-of-two width are disallowed |
| descriptor.mipLevelCount = 6; |
| ASSERT_DEVICE_ERROR(device.CreateTexture(&descriptor)); |
| } |
| |
| // Test non-power-of-two height |
| { |
| wgpu::TextureDescriptor descriptor = defaultDescriptor; |
| descriptor.size.width = 4; |
| // Mip level height: 31, 15, 7, 3, 1 |
| descriptor.size.height = 31; |
| |
| // Full mip chains on non-power-of-two height are allowed |
| descriptor.mipLevelCount = 5; |
| device.CreateTexture(&descriptor); |
| |
| // Too big mip chains on non-power-of-two height are disallowed |
| descriptor.mipLevelCount = 6; |
| ASSERT_DEVICE_ERROR(device.CreateTexture(&descriptor)); |
| } |
| |
| // Undefined shift check if miplevel is bigger than the integer bit width. |
| { |
| wgpu::TextureDescriptor descriptor = defaultDescriptor; |
| descriptor.size.width = 32; |
| descriptor.size.height = 32; |
| descriptor.mipLevelCount = 100; |
| |
| ASSERT_DEVICE_ERROR(device.CreateTexture(&descriptor)); |
| } |
| |
| // Non square mip map halves the resolution until a 1x1 dimension |
| { |
| wgpu::TextureDescriptor descriptor = defaultDescriptor; |
| descriptor.size.width = 32; |
| descriptor.size.height = 8; |
| // Mip maps: 32 * 8, 16 * 4, 8 * 2, 4 * 1, 2 * 1, 1 * 1 |
| descriptor.mipLevelCount = 6; |
| |
| device.CreateTexture(&descriptor); |
| } |
| |
| // Non square mip map for a 3D textures |
| { |
| wgpu::TextureDescriptor descriptor = defaultDescriptor; |
| descriptor.size.width = 32; |
| descriptor.size.height = 8; |
| descriptor.size.depthOrArrayLayers = 64; |
| descriptor.dimension = wgpu::TextureDimension::e3D; |
| // Non square mip map halves width, height and depth until a 1x1x1 dimension for a 3D |
| // texture. So there are 7 mipmaps at most: 32 * 8 * 64, 16 * 4 * 32, 8 * 2 * 16, |
| // 4 * 1 * 8, 2 * 1 * 4, 1 * 1 * 2, 1 * 1 * 1. |
| descriptor.mipLevelCount = 7; |
| device.CreateTexture(&descriptor); |
| } |
| |
| // Non square mip map for 2D textures with depth > 1 |
| { |
| wgpu::TextureDescriptor descriptor = defaultDescriptor; |
| descriptor.size.width = 32; |
| descriptor.size.height = 8; |
| descriptor.size.depthOrArrayLayers = 64; |
| // Non square mip map halves width and height until a 1x1 dimension for a 2D texture, |
| // even its depth > 1. So there are 6 mipmaps at most: 32 * 8, 16 * 4, 8 * 2, 4 * 1, 2 * |
| // 1, 1 * 1. |
| descriptor.dimension = wgpu::TextureDimension::e2D; |
| descriptor.mipLevelCount = 7; |
| ASSERT_DEVICE_ERROR(device.CreateTexture(&descriptor)); |
| descriptor.mipLevelCount = 6; |
| device.CreateTexture(&descriptor); |
| } |
| |
| // Mip level exceeding kMaxTexture2DMipLevels not allowed |
| { |
| wgpu::TextureDescriptor descriptor = defaultDescriptor; |
| descriptor.size.width = 1 >> kMaxTexture2DMipLevels; |
| descriptor.size.height = 1 >> kMaxTexture2DMipLevels; |
| descriptor.mipLevelCount = kMaxTexture2DMipLevels + 1u; |
| |
| ASSERT_DEVICE_ERROR(device.CreateTexture(&descriptor)); |
| } |
| } |
| |
| // Test the validation of array layer count |
| TEST_F(TextureValidationTest, ArrayLayerCount) { |
| wgpu::TextureDescriptor defaultDescriptor = CreateDefaultTextureDescriptor(); |
| |
| // Array layer count exceeding kMaxTextureArrayLayers is not allowed for 2D texture |
| { |
| wgpu::TextureDescriptor descriptor = defaultDescriptor; |
| |
| descriptor.size.depthOrArrayLayers = kMaxTextureArrayLayers + 1u; |
| ASSERT_DEVICE_ERROR(device.CreateTexture(&descriptor)); |
| } |
| |
| // Array layer count less than kMaxTextureArrayLayers is allowed |
| { |
| wgpu::TextureDescriptor descriptor = defaultDescriptor; |
| descriptor.size.depthOrArrayLayers = kMaxTextureArrayLayers >> 1; |
| device.CreateTexture(&descriptor); |
| } |
| |
| // Array layer count equal to kMaxTextureArrayLayers is allowed |
| { |
| wgpu::TextureDescriptor descriptor = defaultDescriptor; |
| descriptor.size.depthOrArrayLayers = kMaxTextureArrayLayers; |
| device.CreateTexture(&descriptor); |
| } |
| } |
| |
| // Test the validation of 2D texture size |
| TEST_F(TextureValidationTest, 2DTextureSize) { |
| wgpu::TextureDescriptor defaultDescriptor = CreateDefaultTextureDescriptor(); |
| |
| // Out-of-bound texture dimension is not allowed |
| { |
| wgpu::TextureDescriptor descriptor = defaultDescriptor; |
| descriptor.size.width = kMaxTextureDimension2D + 1u; |
| ASSERT_DEVICE_ERROR(device.CreateTexture(&descriptor)); |
| |
| descriptor.size.width = 1; |
| descriptor.size.height = kMaxTextureDimension2D + 1u; |
| ASSERT_DEVICE_ERROR(device.CreateTexture(&descriptor)); |
| } |
| |
| // Zero-sized texture is not allowed |
| { |
| wgpu::TextureDescriptor descriptor = defaultDescriptor; |
| descriptor.size = {0, 1, 1}; |
| ASSERT_DEVICE_ERROR(device.CreateTexture(&descriptor)); |
| |
| descriptor.size = {1, 0, 1}; |
| ASSERT_DEVICE_ERROR(device.CreateTexture(&descriptor)); |
| |
| descriptor.size = {1, 1, 0}; |
| // 2D texture with depth=0 is not allowed |
| ASSERT_DEVICE_ERROR(device.CreateTexture(&descriptor)); |
| } |
| |
| // Texture size less than max dimension is allowed |
| { |
| wgpu::TextureDescriptor descriptor = defaultDescriptor; |
| descriptor.size.width = kMaxTextureDimension2D >> 1; |
| descriptor.size.height = kMaxTextureDimension2D >> 1; |
| device.CreateTexture(&descriptor); |
| } |
| |
| // Texture size equal to max dimension is allowed |
| { |
| wgpu::TextureDescriptor descriptor = defaultDescriptor; |
| descriptor.size.width = kMaxTextureDimension2D; |
| descriptor.size.height = kMaxTextureDimension2D; |
| descriptor.dimension = wgpu::TextureDimension::e2D; |
| device.CreateTexture(&descriptor); |
| } |
| } |
| |
| // Test the validation of 3D texture size |
| TEST_F(TextureValidationTest, 3DTextureSize) { |
| wgpu::TextureDescriptor defaultDescriptor = CreateDefaultTextureDescriptor(); |
| |
| // Out-of-bound texture dimension is not allowed |
| { |
| wgpu::TextureDescriptor descriptor = defaultDescriptor; |
| descriptor.dimension = wgpu::TextureDimension::e3D; |
| |
| descriptor.size = {kMaxTextureDimension3D + 1u, 1, 1}; |
| ASSERT_DEVICE_ERROR(device.CreateTexture(&descriptor)); |
| |
| descriptor.size = {1, kMaxTextureDimension3D + 1u, 1}; |
| ASSERT_DEVICE_ERROR(device.CreateTexture(&descriptor)); |
| |
| descriptor.size = {1, 1, kMaxTextureDimension3D + 1u}; |
| ASSERT_DEVICE_ERROR(device.CreateTexture(&descriptor)); |
| } |
| |
| // Zero-sized texture is not allowed |
| { |
| wgpu::TextureDescriptor descriptor = defaultDescriptor; |
| descriptor.dimension = wgpu::TextureDimension::e3D; |
| |
| descriptor.size = {0, 1, 1}; |
| ASSERT_DEVICE_ERROR(device.CreateTexture(&descriptor)); |
| |
| descriptor.size = {1, 0, 1}; |
| ASSERT_DEVICE_ERROR(device.CreateTexture(&descriptor)); |
| |
| descriptor.size = {1, 1, 0}; |
| ASSERT_DEVICE_ERROR(device.CreateTexture(&descriptor)); |
| } |
| |
| // Texture size less than max dimension is allowed |
| { |
| wgpu::TextureDescriptor descriptor = defaultDescriptor; |
| descriptor.dimension = wgpu::TextureDimension::e3D; |
| |
| descriptor.size = {kMaxTextureDimension3D >> 1, kMaxTextureDimension3D >> 1, |
| kMaxTextureDimension3D >> 1}; |
| device.CreateTexture(&descriptor); |
| } |
| |
| // Texture size equal to max dimension is allowed |
| { |
| wgpu::TextureDescriptor descriptor = defaultDescriptor; |
| descriptor.dimension = wgpu::TextureDimension::e3D; |
| |
| descriptor.size = {kMaxTextureDimension3D, kMaxTextureDimension3D, |
| kMaxTextureDimension3D}; |
| device.CreateTexture(&descriptor); |
| } |
| } |
| |
| // Test that depth/stencil formats are invalid for 3D texture |
| TEST_F(TextureValidationTest, DepthStencilFormatsFor3D) { |
| wgpu::TextureDescriptor descriptor = CreateDefaultTextureDescriptor(); |
| |
| wgpu::TextureDimension dimensions[] = { |
| wgpu::TextureDimension::e1D, |
| wgpu::TextureDimension::e3D, |
| }; |
| |
| // TODO(dawn:690): Uncomment these depth/stencil formats after we implement them in Dawn. |
| wgpu::TextureFormat depthStencilFormats[] = { |
| wgpu::TextureFormat::Depth32Float, wgpu::TextureFormat::Depth24Plus, |
| wgpu::TextureFormat::Stencil8, wgpu::TextureFormat::Depth24PlusStencil8, |
| // wgpu::TextureFormat::Depth16Unorm, |
| // wgpu::TextureFormat::Depth24UnormStencil8, |
| // wgpu::TextureFormat::Depth32FloatStencil8, |
| }; |
| |
| for (wgpu::TextureDimension dimension : dimensions) { |
| for (wgpu::TextureFormat format : depthStencilFormats) { |
| descriptor.format = format; |
| descriptor.dimension = dimension; |
| ASSERT_DEVICE_ERROR(device.CreateTexture(&descriptor)); |
| } |
| } |
| } |
| |
| // Test that it is valid to destroy a texture |
| TEST_F(TextureValidationTest, DestroyTexture) { |
| wgpu::TextureDescriptor descriptor = CreateDefaultTextureDescriptor(); |
| wgpu::Texture texture = device.CreateTexture(&descriptor); |
| texture.Destroy(); |
| } |
| |
| // Test that it's valid to destroy a destroyed texture |
| TEST_F(TextureValidationTest, DestroyDestroyedTexture) { |
| wgpu::TextureDescriptor descriptor = CreateDefaultTextureDescriptor(); |
| wgpu::Texture texture = device.CreateTexture(&descriptor); |
| texture.Destroy(); |
| texture.Destroy(); |
| } |
| |
| // Test that it's invalid to submit a destroyed texture in a queue |
| // in the case of destroy, encode, submit |
| TEST_F(TextureValidationTest, DestroyEncodeSubmit) { |
| wgpu::TextureDescriptor descriptor = CreateDefaultTextureDescriptor(); |
| wgpu::Texture texture = device.CreateTexture(&descriptor); |
| wgpu::TextureView textureView = texture.CreateView(); |
| |
| utils::ComboRenderPassDescriptor renderPass({textureView}); |
| |
| // Destroy the texture |
| texture.Destroy(); |
| |
| wgpu::CommandEncoder encoder_post_destroy = device.CreateCommandEncoder(); |
| { |
| wgpu::RenderPassEncoder pass = encoder_post_destroy.BeginRenderPass(&renderPass); |
| pass.EndPass(); |
| } |
| wgpu::CommandBuffer commands = encoder_post_destroy.Finish(); |
| |
| // Submit should fail due to destroyed texture |
| ASSERT_DEVICE_ERROR(queue.Submit(1, &commands)); |
| } |
| |
| // Test that it's invalid to submit a destroyed texture in a queue |
| // in the case of encode, destroy, submit |
| TEST_F(TextureValidationTest, EncodeDestroySubmit) { |
| wgpu::TextureDescriptor descriptor = CreateDefaultTextureDescriptor(); |
| wgpu::Texture texture = device.CreateTexture(&descriptor); |
| wgpu::TextureView textureView = texture.CreateView(); |
| |
| utils::ComboRenderPassDescriptor renderPass({textureView}); |
| |
| wgpu::CommandEncoder encoder = device.CreateCommandEncoder(); |
| { |
| wgpu::RenderPassEncoder pass = encoder.BeginRenderPass(&renderPass); |
| pass.EndPass(); |
| } |
| wgpu::CommandBuffer commands = encoder.Finish(); |
| |
| // Destroy the texture |
| texture.Destroy(); |
| |
| // Submit should fail due to destroyed texture |
| ASSERT_DEVICE_ERROR(queue.Submit(1, &commands)); |
| } |
| |
| // Test it is an error to create an RenderAttachment texture with a non-renderable format. |
| TEST_F(TextureValidationTest, NonRenderableAndRenderAttachment) { |
| wgpu::TextureDescriptor descriptor; |
| descriptor.size = {1, 1, 1}; |
| descriptor.usage = wgpu::TextureUsage::RenderAttachment; |
| |
| // Succeeds because RGBA8Unorm is renderable |
| descriptor.format = wgpu::TextureFormat::RGBA8Unorm; |
| device.CreateTexture(&descriptor); |
| |
| for (wgpu::TextureFormat format : kNonRenderableColorFormats) { |
| // Fails because `format` is non-renderable |
| descriptor.format = format; |
| ASSERT_DEVICE_ERROR(device.CreateTexture(&descriptor)); |
| } |
| } |
| |
| // Test it is an error to create a Storage texture with any format that doesn't support |
| // TextureUsage::StorageBinding texture usages. |
| TEST_F(TextureValidationTest, TextureFormatNotSupportTextureUsageStorage) { |
| wgpu::TextureDescriptor descriptor; |
| descriptor.size = {1, 1, 1}; |
| descriptor.usage = wgpu::TextureUsage::StorageBinding; |
| |
| for (wgpu::TextureFormat format : utils::kAllTextureFormats) { |
| descriptor.format = format; |
| if (utils::TextureFormatSupportsStorageTexture(format)) { |
| device.CreateTexture(&descriptor); |
| } else { |
| ASSERT_DEVICE_ERROR(device.CreateTexture(&descriptor)); |
| } |
| } |
| } |
| |
| // Test it is an error to create a texture with format "Undefined". |
| TEST_F(TextureValidationTest, TextureFormatUndefined) { |
| wgpu::TextureDescriptor descriptor = CreateDefaultTextureDescriptor(); |
| descriptor.format = wgpu::TextureFormat::Undefined; |
| ASSERT_DEVICE_ERROR(device.CreateTexture(&descriptor)); |
| } |
| |
| // Test that the creation of a texture with BC format will fail when the extension |
| // textureCompressionBC is not enabled. |
| TEST_F(TextureValidationTest, UseBCFormatWithoutEnablingExtension) { |
| for (wgpu::TextureFormat format : utils::kBCFormats) { |
| wgpu::TextureDescriptor descriptor = CreateDefaultTextureDescriptor(); |
| descriptor.format = format; |
| ASSERT_DEVICE_ERROR(device.CreateTexture(&descriptor)); |
| } |
| } |
| |
| // Test that the creation of a texture with ETC2 format will fail when the extension |
| // textureCompressionETC2 is not enabled. |
| TEST_F(TextureValidationTest, UseETC2FormatWithoutEnablingExtension) { |
| for (wgpu::TextureFormat format : utils::kETC2Formats) { |
| wgpu::TextureDescriptor descriptor = CreateDefaultTextureDescriptor(); |
| descriptor.format = format; |
| ASSERT_DEVICE_ERROR(device.CreateTexture(&descriptor)); |
| } |
| } |
| |
| // Test that the creation of a texture with ASTC format will fail when the extension |
| // textureCompressionASTC is not enabled. |
| TEST_F(TextureValidationTest, UseASTCFormatWithoutEnablingExtension) { |
| for (wgpu::TextureFormat format : utils::kASTCFormats) { |
| wgpu::TextureDescriptor descriptor = CreateDefaultTextureDescriptor(); |
| descriptor.format = format; |
| ASSERT_DEVICE_ERROR(device.CreateTexture(&descriptor)); |
| } |
| } |
| |
| // TODO(jiawei.shao@intel.com): add tests to verify we cannot create 1D or 3D textures with |
| // compressed texture formats. |
| class CompressedTextureFormatsValidationTests : public TextureValidationTest { |
| protected: |
| WGPUDevice CreateTestDevice() override { |
| dawn_native::DeviceDescriptor descriptor; |
| descriptor.requiredExtensions = {"texture_compression_bc", "texture-compression-etc2", |
| "texture-compression-astc"}; |
| return adapter.CreateDevice(&descriptor); |
| } |
| |
| wgpu::TextureDescriptor CreateDefaultTextureDescriptor() { |
| wgpu::TextureDescriptor descriptor = |
| TextureValidationTest::CreateDefaultTextureDescriptor(); |
| descriptor.usage = wgpu::TextureUsage::CopySrc | wgpu::TextureUsage::CopyDst | |
| wgpu::TextureUsage::TextureBinding; |
| descriptor.size.width = kWidth; |
| descriptor.size.height = kHeight; |
| return descriptor; |
| } |
| |
| private: |
| // Choose the LCM of all current compressed texture format texel dimensions as the |
| // dimensions of the default texture. |
| static constexpr uint32_t kWidth = 120; |
| static constexpr uint32_t kHeight = 120; |
| }; |
| |
| // Test that only CopySrc, CopyDst and Sampled are accepted as usage in compressed formats. |
| TEST_F(CompressedTextureFormatsValidationTests, TextureUsage) { |
| wgpu::TextureUsage invalidUsages[] = { |
| wgpu::TextureUsage::RenderAttachment, |
| wgpu::TextureUsage::StorageBinding, |
| wgpu::TextureUsage::Present, |
| }; |
| for (wgpu::TextureFormat format : utils::kCompressedFormats) { |
| for (wgpu::TextureUsage usage : invalidUsages) { |
| wgpu::TextureDescriptor descriptor = CreateDefaultTextureDescriptor(); |
| descriptor.format = format; |
| descriptor.usage = usage; |
| ASSERT_DEVICE_ERROR(device.CreateTexture(&descriptor)); |
| } |
| } |
| } |
| |
| // Test that using various MipLevelCount is allowed for compressed formats. |
| TEST_F(CompressedTextureFormatsValidationTests, MipLevelCount) { |
| for (wgpu::TextureFormat format : utils::kCompressedFormats) { |
| for (uint32_t mipLevels : {1, 3, 6}) { |
| wgpu::TextureDescriptor descriptor = CreateDefaultTextureDescriptor(); |
| descriptor.format = format; |
| descriptor.mipLevelCount = mipLevels; |
| device.CreateTexture(&descriptor); |
| } |
| } |
| } |
| |
| // Test that it is invalid to specify SampleCount>1 in compressed formats. |
| TEST_F(CompressedTextureFormatsValidationTests, SampleCount) { |
| for (wgpu::TextureFormat format : utils::kCompressedFormats) { |
| wgpu::TextureDescriptor descriptor = CreateDefaultTextureDescriptor(); |
| descriptor.format = format; |
| descriptor.sampleCount = 4; |
| ASSERT_DEVICE_ERROR(device.CreateTexture(&descriptor)); |
| } |
| } |
| |
| // Test that it is allowed to create a 2D texture with depth>1 in compressed formats. |
| TEST_F(CompressedTextureFormatsValidationTests, 2DArrayTexture) { |
| for (wgpu::TextureFormat format : utils::kCompressedFormats) { |
| wgpu::TextureDescriptor descriptor = CreateDefaultTextureDescriptor(); |
| descriptor.format = format; |
| descriptor.size.depthOrArrayLayers = 6; |
| device.CreateTexture(&descriptor); |
| } |
| } |
| |
| // Test that it is not allowed to create a 3D texture in compressed formats. |
| TEST_F(CompressedTextureFormatsValidationTests, 3DTexture) { |
| for (wgpu::TextureFormat format : utils::kCompressedFormats) { |
| wgpu::TextureDescriptor descriptor = CreateDefaultTextureDescriptor(); |
| descriptor.format = format; |
| descriptor.size.depthOrArrayLayers = 4; |
| descriptor.dimension = wgpu::TextureDimension::e3D; |
| ASSERT_DEVICE_ERROR(device.CreateTexture(&descriptor)); |
| } |
| } |
| |
| // Test that it is invalid to use numbers for a texture's width/height that are not multiples |
| // of the compressed block sizes. |
| TEST_F(CompressedTextureFormatsValidationTests, TextureSize) { |
| for (wgpu::TextureFormat format : utils::kCompressedFormats) { |
| uint32_t blockWidth = utils::GetTextureFormatBlockWidth(format); |
| uint32_t blockHeight = utils::GetTextureFormatBlockHeight(format); |
| |
| // Test that the default size (120 x 120) is valid for all formats. |
| { |
| wgpu::TextureDescriptor descriptor = CreateDefaultTextureDescriptor(); |
| descriptor.format = format; |
| ASSERT_TRUE(descriptor.size.width % blockWidth == 0 && |
| descriptor.size.height % blockHeight == 0); |
| device.CreateTexture(&descriptor); |
| } |
| |
| // Test that invalid width should cause an error. Note that if the block width of the |
| // compression type is even, we test that alignment to half the width is not sufficient. |
| { |
| wgpu::TextureDescriptor descriptor = CreateDefaultTextureDescriptor(); |
| descriptor.format = format; |
| descriptor.size.width = |
| blockWidth % 2 == 0 ? blockWidth - (blockWidth / 2) : blockWidth - 1; |
| ASSERT_DEVICE_ERROR(device.CreateTexture(&descriptor)); |
| } |
| |
| // Test that invalid width should cause an error. Note that if the block height of the |
| // compression type is even, we test that alignment to half the height is not |
| // sufficient. |
| { |
| wgpu::TextureDescriptor descriptor = CreateDefaultTextureDescriptor(); |
| descriptor.format = format; |
| descriptor.size.height = |
| blockHeight % 2 == 0 ? blockHeight - (blockHeight / 2) : blockHeight - 1; |
| ASSERT_DEVICE_ERROR(device.CreateTexture(&descriptor)); |
| } |
| |
| // Test a working dimension based on some constant multipliers to the dimensions. |
| { |
| constexpr uint32_t kWidthMultiplier = 3; |
| constexpr uint32_t kHeightMultiplier = 8; |
| wgpu::TextureDescriptor descriptor = CreateDefaultTextureDescriptor(); |
| descriptor.format = format; |
| descriptor.size.width = kWidthMultiplier * blockWidth; |
| descriptor.size.height = kHeightMultiplier * blockHeight; |
| device.CreateTexture(&descriptor); |
| } |
| } |
| } |
| |
| } // namespace |
