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1384e8b163
This replaces multiple switches with a single indexing into a data table, and also adds information about the VertexFormatBaseType for later validation. Bug: dawn:1008 Change-Id: Ic3f564b0dc571cc0008a54785613f962ce223452 Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/59030 Reviewed-by: Jiawei Shao <jiawei.shao@intel.com> Commit-Queue: Jiawei Shao <jiawei.shao@intel.com> Auto-Submit: Corentin Wallez <cwallez@chromium.org>
70 lines
3.5 KiB
C++
70 lines
3.5 KiB
C++
// Copyright 2021 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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#include "dawn_native/VertexFormat.h"
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#include "common/Assert.h"
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#include <array>
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namespace dawn_native {
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static constexpr std::array<VertexFormatInfo, 31> sVertexFormatTable = {{
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//
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{wgpu::VertexFormat::Undefined, 0, 0, 0, VertexFormatBaseType::Float},
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{wgpu::VertexFormat::Uint8x2, 2, 2, 1, VertexFormatBaseType::Uint},
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{wgpu::VertexFormat::Uint8x4, 4, 4, 1, VertexFormatBaseType::Uint},
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{wgpu::VertexFormat::Sint8x2, 2, 2, 1, VertexFormatBaseType::Sint},
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{wgpu::VertexFormat::Sint8x4, 4, 4, 1, VertexFormatBaseType::Sint},
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{wgpu::VertexFormat::Unorm8x2, 2, 2, 1, VertexFormatBaseType::Float},
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{wgpu::VertexFormat::Unorm8x4, 4, 4, 1, VertexFormatBaseType::Float},
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{wgpu::VertexFormat::Snorm8x2, 2, 2, 1, VertexFormatBaseType::Float},
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{wgpu::VertexFormat::Snorm8x4, 4, 4, 1, VertexFormatBaseType::Float},
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{wgpu::VertexFormat::Uint16x2, 4, 2, 2, VertexFormatBaseType::Uint},
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{wgpu::VertexFormat::Uint16x4, 8, 4, 2, VertexFormatBaseType::Uint},
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{wgpu::VertexFormat::Sint16x2, 4, 2, 2, VertexFormatBaseType::Sint},
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{wgpu::VertexFormat::Sint16x4, 8, 4, 2, VertexFormatBaseType::Sint},
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{wgpu::VertexFormat::Unorm16x2, 4, 2, 2, VertexFormatBaseType::Float},
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{wgpu::VertexFormat::Unorm16x4, 8, 4, 2, VertexFormatBaseType::Float},
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{wgpu::VertexFormat::Snorm16x2, 4, 2, 2, VertexFormatBaseType::Float},
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{wgpu::VertexFormat::Snorm16x4, 8, 4, 2, VertexFormatBaseType::Float},
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{wgpu::VertexFormat::Float16x2, 4, 2, 2, VertexFormatBaseType::Float},
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{wgpu::VertexFormat::Float16x4, 8, 4, 2, VertexFormatBaseType::Float},
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{wgpu::VertexFormat::Float32, 4, 1, 4, VertexFormatBaseType::Float},
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{wgpu::VertexFormat::Float32x2, 8, 2, 4, VertexFormatBaseType::Float},
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{wgpu::VertexFormat::Float32x3, 12, 3, 4, VertexFormatBaseType::Float},
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{wgpu::VertexFormat::Float32x4, 16, 4, 4, VertexFormatBaseType::Float},
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{wgpu::VertexFormat::Uint32, 4, 1, 4, VertexFormatBaseType::Uint},
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{wgpu::VertexFormat::Uint32x2, 8, 2, 4, VertexFormatBaseType::Uint},
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{wgpu::VertexFormat::Uint32x3, 12, 3, 4, VertexFormatBaseType::Uint},
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{wgpu::VertexFormat::Uint32x4, 16, 4, 4, VertexFormatBaseType::Uint},
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{wgpu::VertexFormat::Sint32, 4, 1, 4, VertexFormatBaseType::Sint},
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{wgpu::VertexFormat::Sint32x2, 8, 2, 4, VertexFormatBaseType::Sint},
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{wgpu::VertexFormat::Sint32x3, 12, 3, 4, VertexFormatBaseType::Sint},
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{wgpu::VertexFormat::Sint32x4, 16, 4, 4, VertexFormatBaseType::Sint},
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//
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}};
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const VertexFormatInfo& GetVertexFormatInfo(wgpu::VertexFormat format) {
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ASSERT(format != wgpu::VertexFormat::Undefined);
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ASSERT(static_cast<uint32_t>(format) < sVertexFormatTable.size());
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ASSERT(sVertexFormatTable[static_cast<uint32_t>(format)].format == format);
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return sVertexFormatTable[static_cast<uint32_t>(format)];
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}
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} // namespace dawn_native
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