| // 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" |
| |
| namespace { |
| |
| class TextureViewValidationTest : public ValidationTest {}; |
| |
| constexpr uint32_t kWidth = 32u; |
| constexpr uint32_t kHeight = 32u; |
| constexpr uint32_t kDepth = 6u; |
| constexpr uint32_t kDefaultMipLevels = 6u; |
| |
| constexpr wgpu::TextureFormat kDefaultTextureFormat = wgpu::TextureFormat::RGBA8Unorm; |
| |
| wgpu::Texture Create2DArrayTexture(wgpu::Device& device, |
| uint32_t arrayLayerCount, |
| uint32_t width = kWidth, |
| uint32_t height = kHeight, |
| uint32_t mipLevelCount = kDefaultMipLevels, |
| uint32_t sampleCount = 1) { |
| wgpu::TextureDescriptor descriptor; |
| descriptor.dimension = wgpu::TextureDimension::e2D; |
| descriptor.size.width = width; |
| descriptor.size.height = height; |
| descriptor.size.depthOrArrayLayers = arrayLayerCount; |
| descriptor.sampleCount = sampleCount; |
| descriptor.format = kDefaultTextureFormat; |
| descriptor.mipLevelCount = mipLevelCount; |
| descriptor.usage = wgpu::TextureUsage::TextureBinding; |
| return device.CreateTexture(&descriptor); |
| } |
| |
| wgpu::Texture Create3DTexture(wgpu::Device& device) { |
| wgpu::TextureDescriptor descriptor; |
| descriptor.dimension = wgpu::TextureDimension::e3D; |
| descriptor.size = {kWidth, kHeight, kDepth}; |
| descriptor.sampleCount = 1; |
| descriptor.format = kDefaultTextureFormat; |
| descriptor.mipLevelCount = kDefaultMipLevels; |
| descriptor.usage = wgpu::TextureUsage::TextureBinding; |
| return device.CreateTexture(&descriptor); |
| } |
| |
| wgpu::Texture CreateDepthStencilTexture(wgpu::Device& device, wgpu::TextureFormat format) { |
| wgpu::TextureDescriptor descriptor = {}; |
| descriptor.size = {kWidth, kHeight, kDepth}; |
| descriptor.usage = |
| wgpu::TextureUsage::TextureBinding | wgpu::TextureUsage::RenderAttachment; |
| descriptor.mipLevelCount = kDefaultMipLevels; |
| descriptor.format = format; |
| return device.CreateTexture(&descriptor); |
| } |
| |
| wgpu::TextureViewDescriptor CreateDefaultViewDescriptor(wgpu::TextureViewDimension dimension) { |
| wgpu::TextureViewDescriptor descriptor; |
| descriptor.format = kDefaultTextureFormat; |
| descriptor.dimension = dimension; |
| descriptor.baseMipLevel = 0; |
| descriptor.mipLevelCount = kDefaultMipLevels; |
| descriptor.baseArrayLayer = 0; |
| descriptor.arrayLayerCount = 1; |
| return descriptor; |
| } |
| |
| // Test creating texture view on a 2D non-array texture |
| TEST_F(TextureViewValidationTest, CreateTextureViewOnTexture2D) { |
| wgpu::Texture texture = Create2DArrayTexture(device, 1); |
| |
| wgpu::TextureViewDescriptor base2DTextureViewDescriptor = |
| CreateDefaultViewDescriptor(wgpu::TextureViewDimension::e2D); |
| |
| // It is an error to create a view with zero 'arrayLayerCount'. |
| { |
| wgpu::TextureViewDescriptor descriptor = base2DTextureViewDescriptor; |
| descriptor.arrayLayerCount = 0; |
| ASSERT_DEVICE_ERROR(texture.CreateView(&descriptor)); |
| } |
| |
| // It is an error to create a view with zero 'mipLevelCount'. |
| { |
| wgpu::TextureViewDescriptor descriptor = base2DTextureViewDescriptor; |
| descriptor.mipLevelCount = 0; |
| ASSERT_DEVICE_ERROR(texture.CreateView(&descriptor)); |
| } |
| |
| // It is OK to create a 2D texture view on a 2D texture. |
| { |
| wgpu::TextureViewDescriptor descriptor = base2DTextureViewDescriptor; |
| descriptor.arrayLayerCount = 1; |
| texture.CreateView(&descriptor); |
| } |
| |
| // It is an error to view a layer past the end of the texture. |
| { |
| wgpu::TextureViewDescriptor descriptor = base2DTextureViewDescriptor; |
| descriptor.arrayLayerCount = 2; |
| ASSERT_DEVICE_ERROR(texture.CreateView(&descriptor)); |
| } |
| |
| // It is OK to create a 1-layer 2D array texture view on a 2D texture. |
| { |
| wgpu::TextureViewDescriptor descriptor = base2DTextureViewDescriptor; |
| descriptor.dimension = wgpu::TextureViewDimension::e2DArray; |
| descriptor.arrayLayerCount = 1; |
| texture.CreateView(&descriptor); |
| } |
| |
| // It is an error to create a 3D texture view on a 2D texture. |
| { |
| wgpu::TextureViewDescriptor descriptor = base2DTextureViewDescriptor; |
| descriptor.dimension = wgpu::TextureViewDimension::e3D; |
| descriptor.arrayLayerCount = 1; |
| ASSERT_DEVICE_ERROR(texture.CreateView(&descriptor)); |
| } |
| |
| // baseMipLevel == k && mipLevelCount == WGPU_MIP_LEVEL_COUNT_UNDEFINED means to use levels |
| // k..end. |
| { |
| wgpu::TextureViewDescriptor descriptor = base2DTextureViewDescriptor; |
| descriptor.mipLevelCount = WGPU_MIP_LEVEL_COUNT_UNDEFINED; |
| |
| descriptor.baseMipLevel = 0; |
| texture.CreateView(&descriptor); |
| descriptor.baseMipLevel = 1; |
| texture.CreateView(&descriptor); |
| descriptor.baseMipLevel = kDefaultMipLevels - 1; |
| texture.CreateView(&descriptor); |
| descriptor.baseMipLevel = kDefaultMipLevels; |
| ASSERT_DEVICE_ERROR(texture.CreateView(&descriptor)); |
| } |
| |
| // It is an error to make the mip level out of range. |
| { |
| wgpu::TextureViewDescriptor descriptor = base2DTextureViewDescriptor; |
| descriptor.baseMipLevel = 0; |
| descriptor.mipLevelCount = kDefaultMipLevels + 1; |
| ASSERT_DEVICE_ERROR(texture.CreateView(&descriptor)); |
| descriptor.baseMipLevel = 1; |
| descriptor.mipLevelCount = kDefaultMipLevels; |
| ASSERT_DEVICE_ERROR(texture.CreateView(&descriptor)); |
| descriptor.baseMipLevel = kDefaultMipLevels - 1; |
| descriptor.mipLevelCount = 2; |
| ASSERT_DEVICE_ERROR(texture.CreateView(&descriptor)); |
| descriptor.baseMipLevel = kDefaultMipLevels; |
| descriptor.mipLevelCount = 1; |
| ASSERT_DEVICE_ERROR(texture.CreateView(&descriptor)); |
| } |
| } |
| |
| // Test creating texture view on a 2D array texture |
| TEST_F(TextureViewValidationTest, CreateTextureViewOnTexture2DArray) { |
| constexpr uint32_t kDefaultArrayLayers = 6; |
| |
| wgpu::Texture texture = Create2DArrayTexture(device, kDefaultArrayLayers); |
| |
| wgpu::TextureViewDescriptor base2DArrayTextureViewDescriptor = |
| CreateDefaultViewDescriptor(wgpu::TextureViewDimension::e2DArray); |
| |
| // It is an error to create a view with zero 'arrayLayerCount'. |
| { |
| wgpu::TextureViewDescriptor descriptor = base2DArrayTextureViewDescriptor; |
| descriptor.dimension = wgpu::TextureViewDimension::e2D; |
| descriptor.arrayLayerCount = 0; |
| ASSERT_DEVICE_ERROR(texture.CreateView(&descriptor)); |
| } |
| |
| // It is an error to create a view with zero 'mipLevelCount'. |
| { |
| wgpu::TextureViewDescriptor descriptor = base2DArrayTextureViewDescriptor; |
| descriptor.dimension = wgpu::TextureViewDimension::e2D; |
| descriptor.mipLevelCount = 0; |
| ASSERT_DEVICE_ERROR(texture.CreateView(&descriptor)); |
| } |
| |
| // It is OK to create a 2D texture view on a 2D array texture. |
| { |
| wgpu::TextureViewDescriptor descriptor = base2DArrayTextureViewDescriptor; |
| descriptor.dimension = wgpu::TextureViewDimension::e2D; |
| descriptor.arrayLayerCount = 1; |
| texture.CreateView(&descriptor); |
| } |
| |
| // It is OK to create a 2D array texture view on a 2D array texture. |
| { |
| wgpu::TextureViewDescriptor descriptor = base2DArrayTextureViewDescriptor; |
| descriptor.arrayLayerCount = kDefaultArrayLayers; |
| texture.CreateView(&descriptor); |
| } |
| |
| // It is an error to create a 3D texture view on a 2D array texture. |
| { |
| wgpu::TextureViewDescriptor descriptor = base2DArrayTextureViewDescriptor; |
| descriptor.dimension = wgpu::TextureViewDimension::e3D; |
| descriptor.arrayLayerCount = 1; |
| ASSERT_DEVICE_ERROR(texture.CreateView(&descriptor)); |
| } |
| |
| // baseArrayLayer == k && arrayLayerCount == wgpu::kArrayLayerCountUndefined means to use |
| // layers k..end. |
| { |
| wgpu::TextureViewDescriptor descriptor = base2DArrayTextureViewDescriptor; |
| descriptor.arrayLayerCount = wgpu::kArrayLayerCountUndefined; |
| |
| descriptor.baseArrayLayer = 0; |
| texture.CreateView(&descriptor); |
| descriptor.baseArrayLayer = 1; |
| texture.CreateView(&descriptor); |
| descriptor.baseArrayLayer = kDefaultArrayLayers - 1; |
| texture.CreateView(&descriptor); |
| descriptor.baseArrayLayer = kDefaultArrayLayers; |
| ASSERT_DEVICE_ERROR(texture.CreateView(&descriptor)); |
| } |
| |
| // It is an error for the array layer range of the view to exceed that of the texture. |
| { |
| wgpu::TextureViewDescriptor descriptor = base2DArrayTextureViewDescriptor; |
| descriptor.baseArrayLayer = 0; |
| descriptor.arrayLayerCount = kDefaultArrayLayers + 1; |
| ASSERT_DEVICE_ERROR(texture.CreateView(&descriptor)); |
| descriptor.baseArrayLayer = 1; |
| descriptor.arrayLayerCount = kDefaultArrayLayers; |
| ASSERT_DEVICE_ERROR(texture.CreateView(&descriptor)); |
| descriptor.baseArrayLayer = kDefaultArrayLayers - 1; |
| descriptor.arrayLayerCount = 2; |
| ASSERT_DEVICE_ERROR(texture.CreateView(&descriptor)); |
| descriptor.baseArrayLayer = kDefaultArrayLayers; |
| descriptor.arrayLayerCount = 1; |
| ASSERT_DEVICE_ERROR(texture.CreateView(&descriptor)); |
| } |
| } |
| |
| // Test creating texture view on a 3D texture |
| TEST_F(TextureViewValidationTest, CreateTextureViewOnTexture3D) { |
| wgpu::Texture texture = Create3DTexture(device); |
| |
| wgpu::TextureViewDescriptor base3DTextureViewDescriptor = |
| CreateDefaultViewDescriptor(wgpu::TextureViewDimension::e3D); |
| |
| // It is an error to create a view with zero 'arrayLayerCount'. |
| { |
| wgpu::TextureViewDescriptor descriptor = base3DTextureViewDescriptor; |
| descriptor.arrayLayerCount = 0; |
| ASSERT_DEVICE_ERROR(texture.CreateView(&descriptor)); |
| } |
| |
| // It is an error to create a view with zero 'mipLevelCount'. |
| { |
| wgpu::TextureViewDescriptor descriptor = base3DTextureViewDescriptor; |
| descriptor.mipLevelCount = 0; |
| ASSERT_DEVICE_ERROR(texture.CreateView(&descriptor)); |
| } |
| |
| // It is OK to create a 3D texture view on a 3D texture. |
| { |
| wgpu::TextureViewDescriptor descriptor = base3DTextureViewDescriptor; |
| texture.CreateView(&descriptor); |
| } |
| |
| // It is an error to create a 2D/2DArray/Cube/CubeArray texture view on a 3D texture. |
| { |
| wgpu::TextureViewDimension invalidDimensions[] = { |
| wgpu::TextureViewDimension::e2D, |
| wgpu::TextureViewDimension::e2DArray, |
| wgpu::TextureViewDimension::Cube, |
| wgpu::TextureViewDimension::CubeArray, |
| }; |
| for (wgpu::TextureViewDimension dimension : invalidDimensions) { |
| wgpu::TextureViewDescriptor descriptor = base3DTextureViewDescriptor; |
| descriptor.dimension = dimension; |
| if (dimension == wgpu::TextureViewDimension::Cube || |
| dimension == wgpu::TextureViewDimension::CubeArray) { |
| descriptor.arrayLayerCount = 6; |
| } |
| ASSERT_DEVICE_ERROR(texture.CreateView(&descriptor)); |
| } |
| } |
| |
| // baseMipLevel == k && mipLevelCount == WGPU_MIP_LEVEL_COUNT_UNDEFINED means to use levels |
| // k..end. |
| { |
| wgpu::TextureViewDescriptor descriptor = base3DTextureViewDescriptor; |
| descriptor.mipLevelCount = WGPU_MIP_LEVEL_COUNT_UNDEFINED; |
| |
| descriptor.baseMipLevel = 0; |
| texture.CreateView(&descriptor); |
| descriptor.baseMipLevel = 1; |
| texture.CreateView(&descriptor); |
| descriptor.baseMipLevel = kDefaultMipLevels - 1; |
| texture.CreateView(&descriptor); |
| descriptor.baseMipLevel = kDefaultMipLevels; |
| ASSERT_DEVICE_ERROR(texture.CreateView(&descriptor)); |
| } |
| |
| // It is an error to make the mip level out of range. |
| { |
| wgpu::TextureViewDescriptor descriptor = base3DTextureViewDescriptor; |
| descriptor.baseMipLevel = 0; |
| descriptor.mipLevelCount = kDefaultMipLevels + 1; |
| ASSERT_DEVICE_ERROR(texture.CreateView(&descriptor)); |
| descriptor.baseMipLevel = 1; |
| descriptor.mipLevelCount = kDefaultMipLevels; |
| ASSERT_DEVICE_ERROR(texture.CreateView(&descriptor)); |
| descriptor.baseMipLevel = kDefaultMipLevels - 1; |
| descriptor.mipLevelCount = 2; |
| ASSERT_DEVICE_ERROR(texture.CreateView(&descriptor)); |
| descriptor.baseMipLevel = kDefaultMipLevels; |
| descriptor.mipLevelCount = 1; |
| ASSERT_DEVICE_ERROR(texture.CreateView(&descriptor)); |
| } |
| |
| // baseArrayLayer == k && arrayLayerCount == wgpu::kArrayLayerCountUndefined means to use |
| // layers k..end. But baseArrayLayer must be 0, and arrayLayerCount must be 1 at most for 3D |
| // texture view. |
| { |
| wgpu::TextureViewDescriptor descriptor = base3DTextureViewDescriptor; |
| descriptor.arrayLayerCount = wgpu::kArrayLayerCountUndefined; |
| descriptor.baseArrayLayer = 0; |
| texture.CreateView(&descriptor); |
| descriptor.baseArrayLayer = 1; |
| ASSERT_DEVICE_ERROR(texture.CreateView(&descriptor)); |
| |
| descriptor.baseArrayLayer = 0; |
| descriptor.arrayLayerCount = 1; |
| texture.CreateView(&descriptor); |
| descriptor.arrayLayerCount = 2; |
| ASSERT_DEVICE_ERROR(texture.CreateView(&descriptor)); |
| descriptor.arrayLayerCount = kDepth; |
| ASSERT_DEVICE_ERROR(texture.CreateView(&descriptor)); |
| } |
| } |
| |
| // Using the "none" ("default") values validates the same as explicitly |
| // specifying the values they're supposed to default to. |
| // Variant for a 2D texture with more than 1 array layer. |
| TEST_F(TextureViewValidationTest, TextureViewDescriptorDefaults2DArray) { |
| constexpr uint32_t kDefaultArrayLayers = 8; |
| wgpu::Texture texture = Create2DArrayTexture(device, kDefaultArrayLayers); |
| |
| { texture.CreateView(); } |
| { |
| wgpu::TextureViewDescriptor descriptor; |
| descriptor.format = wgpu::TextureFormat::Undefined; |
| texture.CreateView(&descriptor); |
| descriptor.format = wgpu::TextureFormat::RGBA8Unorm; |
| texture.CreateView(&descriptor); |
| descriptor.format = wgpu::TextureFormat::R8Unorm; |
| ASSERT_DEVICE_ERROR(texture.CreateView(&descriptor)); |
| } |
| { |
| wgpu::TextureViewDescriptor descriptor; |
| descriptor.dimension = wgpu::TextureViewDimension::Undefined; |
| texture.CreateView(&descriptor); |
| descriptor.dimension = wgpu::TextureViewDimension::e2DArray; |
| texture.CreateView(&descriptor); |
| // Setting view dimension to 2D, its arrayLayer will default to 1. And view creation |
| // will success. |
| descriptor.dimension = wgpu::TextureViewDimension::e2D; |
| texture.CreateView(&descriptor); |
| // Setting view dimension to Cube, its arrayLayer will default to 6. |
| descriptor.dimension = wgpu::TextureViewDimension::Cube; |
| texture.CreateView(&descriptor); |
| descriptor.baseArrayLayer = 2; |
| texture.CreateView(&descriptor); |
| descriptor.baseArrayLayer = 3; |
| ASSERT_DEVICE_ERROR(texture.CreateView(&descriptor)); |
| // Setting view dimension to CubeArray, its arrayLayer will default to |
| // size.depthOrArrayLayers (kDefaultArrayLayers) - baseArrayLayer. |
| descriptor.dimension = wgpu::TextureViewDimension::CubeArray; |
| descriptor.baseArrayLayer = 0; |
| ASSERT_DEVICE_ERROR(texture.CreateView(&descriptor)); |
| descriptor.baseArrayLayer = 2; |
| texture.CreateView(&descriptor); |
| descriptor.baseArrayLayer = 3; |
| ASSERT_DEVICE_ERROR(texture.CreateView(&descriptor)); |
| } |
| { |
| wgpu::TextureViewDescriptor descriptor; |
| |
| // Setting array layers to non-0 means the dimensionality will |
| // default to 2D so by itself it causes an error. |
| descriptor.arrayLayerCount = kDefaultArrayLayers; |
| ASSERT_DEVICE_ERROR(texture.CreateView(&descriptor)); |
| descriptor.dimension = wgpu::TextureViewDimension::e2DArray; |
| texture.CreateView(&descriptor); |
| |
| descriptor.mipLevelCount = kDefaultMipLevels; |
| texture.CreateView(&descriptor); |
| } |
| } |
| |
| // Using the "none" ("default") values validates the same as explicitly |
| // specifying the values they're supposed to default to. |
| // Variant for a 2D texture with only 1 array layer. |
| TEST_F(TextureViewValidationTest, TextureViewDescriptorDefaults2DNonArray) { |
| constexpr uint32_t kDefaultArrayLayers = 1; |
| wgpu::Texture texture = Create2DArrayTexture(device, kDefaultArrayLayers); |
| |
| { texture.CreateView(); } |
| { |
| wgpu::TextureViewDescriptor descriptor; |
| descriptor.format = wgpu::TextureFormat::Undefined; |
| texture.CreateView(&descriptor); |
| descriptor.format = wgpu::TextureFormat::RGBA8Unorm; |
| texture.CreateView(&descriptor); |
| descriptor.format = wgpu::TextureFormat::R8Unorm; |
| ASSERT_DEVICE_ERROR(texture.CreateView(&descriptor)); |
| } |
| { |
| wgpu::TextureViewDescriptor descriptor; |
| descriptor.dimension = wgpu::TextureViewDimension::Undefined; |
| texture.CreateView(&descriptor); |
| descriptor.dimension = wgpu::TextureViewDimension::e2D; |
| texture.CreateView(&descriptor); |
| descriptor.dimension = wgpu::TextureViewDimension::e2DArray; |
| texture.CreateView(&descriptor); |
| } |
| { |
| wgpu::TextureViewDescriptor descriptor; |
| descriptor.arrayLayerCount = wgpu::kArrayLayerCountUndefined; |
| texture.CreateView(&descriptor); |
| descriptor.arrayLayerCount = 1; |
| texture.CreateView(&descriptor); |
| descriptor.arrayLayerCount = 2; |
| ASSERT_DEVICE_ERROR(texture.CreateView(&descriptor)); |
| } |
| { |
| wgpu::TextureViewDescriptor descriptor; |
| descriptor.mipLevelCount = kDefaultMipLevels; |
| texture.CreateView(&descriptor); |
| descriptor.arrayLayerCount = kDefaultArrayLayers; |
| texture.CreateView(&descriptor); |
| } |
| } |
| |
| // Using the "none" ("default") values validates the same as explicitly |
| // specifying the values they're supposed to default to. |
| // Variant for a 3D texture. |
| TEST_F(TextureViewValidationTest, TextureViewDescriptorDefaults3D) { |
| wgpu::Texture texture = Create3DTexture(device); |
| |
| { texture.CreateView(); } |
| { |
| wgpu::TextureViewDescriptor descriptor; |
| descriptor.format = wgpu::TextureFormat::Undefined; |
| texture.CreateView(&descriptor); |
| descriptor.format = wgpu::TextureFormat::RGBA8Unorm; |
| texture.CreateView(&descriptor); |
| descriptor.format = wgpu::TextureFormat::R8Unorm; |
| ASSERT_DEVICE_ERROR(texture.CreateView(&descriptor)); |
| } |
| { |
| wgpu::TextureViewDescriptor descriptor; |
| descriptor.dimension = wgpu::TextureViewDimension::Undefined; |
| texture.CreateView(&descriptor); |
| descriptor.dimension = wgpu::TextureViewDimension::e3D; |
| texture.CreateView(&descriptor); |
| descriptor.dimension = wgpu::TextureViewDimension::e2DArray; |
| ASSERT_DEVICE_ERROR(texture.CreateView(&descriptor)); |
| descriptor.dimension = wgpu::TextureViewDimension::e2D; |
| ASSERT_DEVICE_ERROR(texture.CreateView(&descriptor)); |
| } |
| { |
| wgpu::TextureViewDescriptor descriptor; |
| descriptor.arrayLayerCount = wgpu::kArrayLayerCountUndefined; |
| texture.CreateView(&descriptor); |
| descriptor.arrayLayerCount = 1; |
| texture.CreateView(&descriptor); |
| descriptor.arrayLayerCount = 2; |
| ASSERT_DEVICE_ERROR(texture.CreateView(&descriptor)); |
| } |
| { |
| wgpu::TextureViewDescriptor descriptor; |
| descriptor.mipLevelCount = kDefaultMipLevels; |
| texture.CreateView(&descriptor); |
| descriptor.arrayLayerCount = kDepth; |
| ASSERT_DEVICE_ERROR(texture.CreateView(&descriptor)); |
| } |
| } |
| |
| // Test creating cube map texture view |
| TEST_F(TextureViewValidationTest, CreateCubeMapTextureView) { |
| constexpr uint32_t kDefaultArrayLayers = 16; |
| |
| wgpu::Texture texture = Create2DArrayTexture(device, kDefaultArrayLayers); |
| |
| wgpu::TextureViewDescriptor base2DArrayTextureViewDescriptor = |
| CreateDefaultViewDescriptor(wgpu::TextureViewDimension::e2DArray); |
| |
| // It is an error to create a view with zero 'arrayLayerCount'. |
| { |
| wgpu::TextureViewDescriptor descriptor = base2DArrayTextureViewDescriptor; |
| descriptor.dimension = wgpu::TextureViewDimension::Cube; |
| descriptor.arrayLayerCount = 0; |
| ASSERT_DEVICE_ERROR(texture.CreateView(&descriptor)); |
| } |
| |
| // It is an error to create a view with zero 'mipLevelCount'. |
| { |
| wgpu::TextureViewDescriptor descriptor = base2DArrayTextureViewDescriptor; |
| descriptor.dimension = wgpu::TextureViewDimension::Cube; |
| descriptor.mipLevelCount = 0; |
| ASSERT_DEVICE_ERROR(texture.CreateView(&descriptor)); |
| } |
| |
| // It is OK to create a cube map texture view with arrayLayerCount == 6. |
| { |
| wgpu::TextureViewDescriptor descriptor = base2DArrayTextureViewDescriptor; |
| descriptor.dimension = wgpu::TextureViewDimension::Cube; |
| descriptor.arrayLayerCount = 6; |
| texture.CreateView(&descriptor); |
| } |
| |
| // It is an error to create a cube map texture view with arrayLayerCount != 6. |
| { |
| wgpu::TextureViewDescriptor descriptor = base2DArrayTextureViewDescriptor; |
| descriptor.dimension = wgpu::TextureViewDimension::Cube; |
| descriptor.arrayLayerCount = 3; |
| ASSERT_DEVICE_ERROR(texture.CreateView(&descriptor)); |
| } |
| |
| // It is OK to create a cube map array texture view with arrayLayerCount % 6 == 0. |
| { |
| wgpu::TextureViewDescriptor descriptor = base2DArrayTextureViewDescriptor; |
| descriptor.dimension = wgpu::TextureViewDimension::CubeArray; |
| descriptor.arrayLayerCount = 12; |
| texture.CreateView(&descriptor); |
| } |
| |
| // It is an error to create a cube map array texture view with arrayLayerCount % 6 != 0. |
| { |
| wgpu::TextureViewDescriptor descriptor = base2DArrayTextureViewDescriptor; |
| descriptor.dimension = wgpu::TextureViewDimension::CubeArray; |
| descriptor.arrayLayerCount = 11; |
| ASSERT_DEVICE_ERROR(texture.CreateView(&descriptor)); |
| } |
| |
| // It is an error to create a cube map texture view with width != height. |
| { |
| wgpu::Texture nonSquareTexture = Create2DArrayTexture(device, 18, 32, 16, 5); |
| |
| wgpu::TextureViewDescriptor descriptor = base2DArrayTextureViewDescriptor; |
| descriptor.dimension = wgpu::TextureViewDimension::Cube; |
| descriptor.arrayLayerCount = 6; |
| ASSERT_DEVICE_ERROR(nonSquareTexture.CreateView(&descriptor)); |
| } |
| |
| // It is an error to create a cube map array texture view with width != height. |
| { |
| wgpu::Texture nonSquareTexture = Create2DArrayTexture(device, 18, 32, 16, 5); |
| |
| wgpu::TextureViewDescriptor descriptor = base2DArrayTextureViewDescriptor; |
| descriptor.dimension = wgpu::TextureViewDimension::CubeArray; |
| descriptor.arrayLayerCount = 12; |
| ASSERT_DEVICE_ERROR(nonSquareTexture.CreateView(&descriptor)); |
| } |
| } |
| |
| // Test the format compatibility rules when creating a texture view. |
| // TODO(jiawei.shao@intel.com): add more tests when the rules are fully implemented. |
| TEST_F(TextureViewValidationTest, TextureViewFormatCompatibility) { |
| wgpu::Texture texture = Create2DArrayTexture(device, 1); |
| |
| wgpu::TextureViewDescriptor base2DTextureViewDescriptor = |
| CreateDefaultViewDescriptor(wgpu::TextureViewDimension::e2D); |
| |
| // It is an error to create a texture view in depth-stencil format on a RGBA texture. |
| { |
| wgpu::TextureViewDescriptor descriptor = base2DTextureViewDescriptor; |
| descriptor.format = wgpu::TextureFormat::Depth24PlusStencil8; |
| ASSERT_DEVICE_ERROR(texture.CreateView(&descriptor)); |
| } |
| } |
| |
| // Test that it's valid to create a texture view from a destroyed texture |
| TEST_F(TextureViewValidationTest, DestroyCreateTextureView) { |
| wgpu::Texture texture = Create2DArrayTexture(device, 1); |
| wgpu::TextureViewDescriptor descriptor = |
| CreateDefaultViewDescriptor(wgpu::TextureViewDimension::e2D); |
| texture.Destroy(); |
| texture.CreateView(&descriptor); |
| } |
| |
| // Test that the selected TextureAspects must exist in the texture format |
| TEST_F(TextureViewValidationTest, AspectMustExist) { |
| wgpu::TextureDescriptor descriptor = {}; |
| descriptor.size = {1, 1, 1}; |
| descriptor.usage = |
| wgpu::TextureUsage::TextureBinding | wgpu::TextureUsage::RenderAttachment; |
| |
| // Can select: All and DepthOnly from Depth32Float, but not StencilOnly |
| { |
| descriptor.format = wgpu::TextureFormat::Depth32Float; |
| wgpu::Texture texture = device.CreateTexture(&descriptor); |
| |
| wgpu::TextureViewDescriptor viewDescriptor = {}; |
| viewDescriptor.aspect = wgpu::TextureAspect::All; |
| texture.CreateView(&viewDescriptor); |
| |
| viewDescriptor.aspect = wgpu::TextureAspect::DepthOnly; |
| texture.CreateView(&viewDescriptor); |
| |
| viewDescriptor.aspect = wgpu::TextureAspect::StencilOnly; |
| ASSERT_DEVICE_ERROR(texture.CreateView(&viewDescriptor)); |
| } |
| |
| // Can select: All, DepthOnly, and StencilOnly from Depth24PlusStencil8 |
| { |
| descriptor.format = wgpu::TextureFormat::Depth24PlusStencil8; |
| wgpu::Texture texture = device.CreateTexture(&descriptor); |
| |
| wgpu::TextureViewDescriptor viewDescriptor = {}; |
| viewDescriptor.aspect = wgpu::TextureAspect::All; |
| texture.CreateView(&viewDescriptor); |
| |
| viewDescriptor.aspect = wgpu::TextureAspect::DepthOnly; |
| texture.CreateView(&viewDescriptor); |
| |
| viewDescriptor.aspect = wgpu::TextureAspect::StencilOnly; |
| texture.CreateView(&viewDescriptor); |
| } |
| |
| // Can select: All from RGBA8Unorm |
| { |
| descriptor.format = wgpu::TextureFormat::RGBA8Unorm; |
| wgpu::Texture texture = device.CreateTexture(&descriptor); |
| |
| wgpu::TextureViewDescriptor viewDescriptor = {}; |
| viewDescriptor.aspect = wgpu::TextureAspect::All; |
| texture.CreateView(&viewDescriptor); |
| |
| viewDescriptor.aspect = wgpu::TextureAspect::DepthOnly; |
| ASSERT_DEVICE_ERROR(texture.CreateView(&viewDescriptor)); |
| |
| viewDescriptor.aspect = wgpu::TextureAspect::StencilOnly; |
| ASSERT_DEVICE_ERROR(texture.CreateView(&viewDescriptor)); |
| } |
| } |
| |
| class D24S8TextureViewValidationTests : public ValidationTest { |
| protected: |
| WGPUDevice CreateTestDevice() override { |
| wgpu::DeviceDescriptor descriptor; |
| wgpu::FeatureName requiredFeatures[1] = {wgpu::FeatureName::Depth24UnormStencil8}; |
| descriptor.requiredFeatures = requiredFeatures; |
| descriptor.requiredFeaturesCount = 1; |
| return adapter.CreateDevice(&descriptor); |
| } |
| }; |
| |
| // Test that the selected TextureAspects must exist in the Depth24UnormStencil8 texture format |
| TEST_F(D24S8TextureViewValidationTests, AspectMustExist) { |
| wgpu::Texture texture = |
| CreateDepthStencilTexture(device, wgpu::TextureFormat::Depth24UnormStencil8); |
| |
| // Can select: All, DepthOnly, and StencilOnly from Depth24UnormStencil8 |
| { |
| wgpu::TextureViewDescriptor viewDescriptor = {}; |
| viewDescriptor.aspect = wgpu::TextureAspect::All; |
| texture.CreateView(&viewDescriptor); |
| |
| viewDescriptor.aspect = wgpu::TextureAspect::DepthOnly; |
| texture.CreateView(&viewDescriptor); |
| |
| viewDescriptor.aspect = wgpu::TextureAspect::StencilOnly; |
| texture.CreateView(&viewDescriptor); |
| } |
| } |
| |
| // Test the format compatibility rules when creating a texture view. |
| TEST_F(D24S8TextureViewValidationTests, TextureViewFormatCompatibility) { |
| wgpu::Texture texture = |
| CreateDepthStencilTexture(device, wgpu::TextureFormat::Depth24UnormStencil8); |
| |
| wgpu::TextureViewDescriptor base2DTextureViewDescriptor = |
| CreateDefaultViewDescriptor(wgpu::TextureViewDimension::e2D); |
| |
| // It is an error to create a texture view in color format on a depth-stencil texture. |
| { |
| wgpu::TextureViewDescriptor descriptor = base2DTextureViewDescriptor; |
| descriptor.format = wgpu::TextureFormat::RGBA8Unorm; |
| ASSERT_DEVICE_ERROR(texture.CreateView(&descriptor)); |
| } |
| } |
| |
| class D32S8TextureViewValidationTests : public ValidationTest { |
| protected: |
| WGPUDevice CreateTestDevice() override { |
| wgpu::DeviceDescriptor descriptor; |
| wgpu::FeatureName requiredFeatures[1] = {wgpu::FeatureName::Depth32FloatStencil8}; |
| descriptor.requiredFeatures = requiredFeatures; |
| descriptor.requiredFeaturesCount = 1; |
| return adapter.CreateDevice(&descriptor); |
| } |
| }; |
| |
| // Test that the selected TextureAspects must exist in the Depth32FloatStencil8 texture format |
| TEST_F(D32S8TextureViewValidationTests, AspectMustExist) { |
| wgpu::Texture texture = |
| CreateDepthStencilTexture(device, wgpu::TextureFormat::Depth32FloatStencil8); |
| |
| // Can select: All, DepthOnly, and StencilOnly from Depth32FloatStencil8 |
| { |
| wgpu::TextureViewDescriptor viewDescriptor = {}; |
| viewDescriptor.aspect = wgpu::TextureAspect::All; |
| texture.CreateView(&viewDescriptor); |
| |
| viewDescriptor.aspect = wgpu::TextureAspect::DepthOnly; |
| texture.CreateView(&viewDescriptor); |
| |
| viewDescriptor.aspect = wgpu::TextureAspect::StencilOnly; |
| texture.CreateView(&viewDescriptor); |
| } |
| } |
| |
| // Test the format compatibility rules when creating a texture view. |
| TEST_F(D32S8TextureViewValidationTests, TextureViewFormatCompatibility) { |
| wgpu::Texture texture = |
| CreateDepthStencilTexture(device, wgpu::TextureFormat::Depth32FloatStencil8); |
| |
| wgpu::TextureViewDescriptor base2DTextureViewDescriptor = |
| CreateDefaultViewDescriptor(wgpu::TextureViewDimension::e2D); |
| |
| // It is an error to create a texture view in color format on a depth-stencil texture. |
| { |
| wgpu::TextureViewDescriptor descriptor = base2DTextureViewDescriptor; |
| descriptor.format = wgpu::TextureFormat::RGBA8Unorm; |
| ASSERT_DEVICE_ERROR(texture.CreateView(&descriptor)); |
| } |
| } |
| |
| } // anonymous namespace |
