| // 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 kDefaultMipLevels = 6u; |
| |
| constexpr dawn::TextureFormat kDefaultTextureFormat = dawn::TextureFormat::R8G8B8A8Unorm; |
| |
| dawn::Texture Create2DArrayTexture(dawn::Device& device, |
| uint32_t arrayLayerCount, |
| uint32_t width = kWidth, |
| uint32_t height = kHeight) { |
| dawn::TextureDescriptor descriptor; |
| descriptor.dimension = dawn::TextureDimension::e2D; |
| descriptor.size.width = width; |
| descriptor.size.height = height; |
| descriptor.size.depth = 1; |
| descriptor.arrayLayerCount = arrayLayerCount; |
| descriptor.sampleCount = 1; |
| descriptor.format = kDefaultTextureFormat; |
| descriptor.mipLevelCount = kDefaultMipLevels; |
| descriptor.usage = dawn::TextureUsageBit::Sampled; |
| return device.CreateTexture(&descriptor); |
| } |
| |
| dawn::TextureViewDescriptor CreateDefaultTextureViewDescriptor(dawn::TextureViewDimension dimension) { |
| dawn::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) { |
| dawn::Texture texture = Create2DArrayTexture(device, 1); |
| |
| dawn::TextureViewDescriptor base2DTextureViewDescriptor = |
| CreateDefaultTextureViewDescriptor(dawn::TextureViewDimension::e2D); |
| |
| // It is OK to create a 2D texture view on a 2D texture. |
| { |
| dawn::TextureViewDescriptor descriptor = base2DTextureViewDescriptor; |
| descriptor.arrayLayerCount = 1; |
| texture.CreateTextureView(&descriptor); |
| } |
| |
| // It is an error to specify the layer count of the texture view > 1 when texture view dimension |
| // is 2D. |
| { |
| dawn::TextureViewDescriptor descriptor = base2DTextureViewDescriptor; |
| descriptor.arrayLayerCount = 2; |
| ASSERT_DEVICE_ERROR(texture.CreateTextureView(&descriptor)); |
| } |
| |
| // It is OK to create a 1-layer 2D array texture view on a 2D texture. |
| { |
| dawn::TextureViewDescriptor descriptor = base2DTextureViewDescriptor; |
| descriptor.dimension = dawn::TextureViewDimension::e2DArray; |
| descriptor.arrayLayerCount = 1; |
| texture.CreateTextureView(&descriptor); |
| } |
| |
| // It is an error to specify mipLevelCount == 0. |
| { |
| dawn::TextureViewDescriptor descriptor = base2DTextureViewDescriptor; |
| descriptor.mipLevelCount = 0; |
| ASSERT_DEVICE_ERROR(texture.CreateTextureView(&descriptor)); |
| } |
| |
| // It is an error to make the mip level out of range. |
| { |
| dawn::TextureViewDescriptor descriptor = base2DTextureViewDescriptor; |
| descriptor.baseMipLevel = kDefaultMipLevels - 1; |
| descriptor.mipLevelCount = 2; |
| ASSERT_DEVICE_ERROR(texture.CreateTextureView(&descriptor)); |
| } |
| } |
| |
| // Test creating texture view on a 2D array texture |
| TEST_F(TextureViewValidationTest, CreateTextureViewOnTexture2DArray) { |
| constexpr uint32_t kDefaultArrayLayers = 6; |
| |
| dawn::Texture texture = Create2DArrayTexture(device, kDefaultArrayLayers); |
| |
| dawn::TextureViewDescriptor base2DArrayTextureViewDescriptor = |
| CreateDefaultTextureViewDescriptor(dawn::TextureViewDimension::e2DArray); |
| |
| // It is OK to create a 2D texture view on a 2D array texture. |
| { |
| dawn::TextureViewDescriptor descriptor = base2DArrayTextureViewDescriptor; |
| descriptor.dimension = dawn::TextureViewDimension::e2D; |
| descriptor.arrayLayerCount = 1; |
| texture.CreateTextureView(&descriptor); |
| } |
| |
| // It is OK to create a 2D array texture view on a 2D array texture. |
| { |
| dawn::TextureViewDescriptor descriptor = base2DArrayTextureViewDescriptor; |
| descriptor.arrayLayerCount = kDefaultArrayLayers; |
| texture.CreateTextureView(&descriptor); |
| } |
| |
| // It is an error to specify arrayLayerCount == 0. |
| { |
| dawn::TextureViewDescriptor descriptor = base2DArrayTextureViewDescriptor; |
| descriptor.arrayLayerCount = 0; |
| ASSERT_DEVICE_ERROR(texture.CreateTextureView(&descriptor)); |
| } |
| |
| // It is an error to make the array layer out of range. |
| { |
| dawn::TextureViewDescriptor descriptor = base2DArrayTextureViewDescriptor; |
| descriptor.arrayLayerCount = kDefaultArrayLayers + 1; |
| ASSERT_DEVICE_ERROR(texture.CreateTextureView(&descriptor)); |
| } |
| } |
| |
| // Test creating cube map texture view |
| TEST_F(TextureViewValidationTest, CreateCubeMapTextureView) { |
| constexpr uint32_t kDefaultArrayLayers = 16; |
| |
| dawn::Texture texture = Create2DArrayTexture(device, kDefaultArrayLayers); |
| |
| dawn::TextureViewDescriptor base2DArrayTextureViewDescriptor = |
| CreateDefaultTextureViewDescriptor(dawn::TextureViewDimension::e2DArray); |
| |
| // It is OK to create a cube map texture view with arrayLayerCount == 6. |
| { |
| dawn::TextureViewDescriptor descriptor = base2DArrayTextureViewDescriptor; |
| descriptor.dimension = dawn::TextureViewDimension::Cube; |
| descriptor.arrayLayerCount = 6; |
| texture.CreateTextureView(&descriptor); |
| } |
| |
| // It is an error to create a cube map texture view with arrayLayerCount != 6. |
| { |
| dawn::TextureViewDescriptor descriptor = base2DArrayTextureViewDescriptor; |
| descriptor.dimension = dawn::TextureViewDimension::Cube; |
| descriptor.arrayLayerCount = 3; |
| ASSERT_DEVICE_ERROR(texture.CreateTextureView(&descriptor)); |
| } |
| |
| // It is OK to create a cube map array texture view with arrayLayerCount % 6 == 0. |
| { |
| dawn::TextureViewDescriptor descriptor = base2DArrayTextureViewDescriptor; |
| descriptor.dimension = dawn::TextureViewDimension::CubeArray; |
| descriptor.arrayLayerCount = 12; |
| texture.CreateTextureView(&descriptor); |
| } |
| |
| // It is an error to create a cube map array texture view with arrayLayerCount % 6 != 0. |
| { |
| dawn::TextureViewDescriptor descriptor = base2DArrayTextureViewDescriptor; |
| descriptor.dimension = dawn::TextureViewDimension::CubeArray; |
| descriptor.arrayLayerCount = 11; |
| ASSERT_DEVICE_ERROR(texture.CreateTextureView(&descriptor)); |
| } |
| |
| // It is an error to create a cube map texture view with width != height. |
| { |
| dawn::Texture nonSquareTexture = Create2DArrayTexture(device, 18, 32, 16); |
| |
| dawn::TextureViewDescriptor descriptor = base2DArrayTextureViewDescriptor; |
| descriptor.dimension = dawn::TextureViewDimension::Cube; |
| descriptor.arrayLayerCount = 6; |
| ASSERT_DEVICE_ERROR(nonSquareTexture.CreateTextureView(&descriptor)); |
| } |
| |
| // It is an error to create a cube map array texture view with width != height. |
| { |
| dawn::Texture nonSquareTexture = Create2DArrayTexture(device, 18, 32, 16); |
| |
| dawn::TextureViewDescriptor descriptor = base2DArrayTextureViewDescriptor; |
| descriptor.dimension = dawn::TextureViewDimension::CubeArray; |
| descriptor.arrayLayerCount = 12; |
| ASSERT_DEVICE_ERROR(nonSquareTexture.CreateTextureView(&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) { |
| dawn::Texture texture = Create2DArrayTexture(device, 1); |
| |
| dawn::TextureViewDescriptor base2DTextureViewDescriptor = |
| CreateDefaultTextureViewDescriptor(dawn::TextureViewDimension::e2D); |
| |
| // It is an error to create a texture view in depth-stencil format on a RGBA texture. |
| { |
| dawn::TextureViewDescriptor descriptor = base2DTextureViewDescriptor; |
| descriptor.format = dawn::TextureFormat::D32FloatS8Uint; |
| ASSERT_DEVICE_ERROR(texture.CreateTextureView(&descriptor)); |
| } |
| } |
| |
| } |