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cf820d79ef
Per https://github.com/webgpu-native/webgpu-headers/pull/71 Keeps but deprecates WGPU_STRIDE_UNDEFINED/wgpu::kStrideUndefined. Bug: dawn:520 Change-Id: Ied162ec39454fac3d16a3782c9ed6d2f68c1d41d Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/34926 Commit-Queue: Corentin Wallez <cwallez@chromium.org> Reviewed-by: Corentin Wallez <cwallez@chromium.org> Auto-Submit: Kai Ninomiya <kainino@chromium.org>
65 lines
2.5 KiB
C++
65 lines
2.5 KiB
C++
// Copyright 2020 The Dawn Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#ifndef UTILS_TESTHELPERS_H_
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#define UTILS_TESTHELPERS_H_
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#include <dawn/webgpu_cpp.h>
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namespace utils {
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struct TextureDataCopyLayout {
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uint64_t byteLength;
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uint64_t texelBlockCount;
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uint32_t bytesPerRow;
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uint32_t rowsPerImage;
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uint32_t texelBlocksPerRow;
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uint32_t bytesPerImage;
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uint32_t texelBlocksPerImage;
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wgpu::Extent3D mipSize;
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};
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uint32_t GetMinimumBytesPerRow(wgpu::TextureFormat format, uint32_t width);
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TextureDataCopyLayout GetTextureDataCopyLayoutForTexture2DAtLevel(
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wgpu::TextureFormat format,
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wgpu::Extent3D textureSizeAtLevel0,
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uint32_t mipmapLevel,
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uint32_t rowsPerImage = wgpu::kCopyStrideUndefined);
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uint64_t RequiredBytesInCopy(uint64_t bytesPerRow,
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uint64_t rowsPerImage,
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wgpu::Extent3D copyExtent,
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wgpu::TextureFormat textureFormat);
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uint64_t RequiredBytesInCopy(uint64_t bytesPerRow,
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uint64_t rowsPerImage,
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uint64_t widthInBlocks,
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uint64_t heightInBlocks,
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uint64_t depth,
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uint64_t bytesPerBlock);
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uint64_t GetTexelCountInCopyRegion(uint64_t bytesPerRow,
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uint64_t rowsPerImage,
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wgpu::Extent3D copyExtent,
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wgpu::TextureFormat textureFormat);
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// A helper function used for testing DynamicUploader offset alignment.
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// A call of this function will do a Queue::WriteTexture with 1 byte of data,
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// so that assuming that WriteTexture uses DynamicUploader, the first RingBuffer
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// in it will contain 1 byte of data.
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void UnalignDynamicUploader(wgpu::Device device);
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} // namespace utils
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#endif // UTILS_TESTHELPERS_H_
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