49 lines
2.1 KiB
C++
49 lines
2.1 KiB
C++
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// Copyright 2019 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/opengl/GLFormat.h"
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namespace dawn_native { namespace opengl {
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GLFormatTable BuildGLFormatTable() {
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GLFormatTable table;
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auto AddFormat = [&table](dawn::TextureFormat dawnFormat, GLenum internalFormat,
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GLenum format, GLenum type) {
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size_t index = ComputeFormatIndex(dawnFormat);
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ASSERT(index < table.size());
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table[index].internalFormat = internalFormat;
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table[index].format = format;
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table[index].type = type;
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table[index].isSupportedOnBackend = true;
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};
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AddFormat(dawn::TextureFormat::RGBA8Unorm, GL_RGBA8, GL_RGBA, GL_UNSIGNED_BYTE);
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AddFormat(dawn::TextureFormat::RG8Unorm, GL_RG8, GL_RG, GL_UNSIGNED_BYTE);
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AddFormat(dawn::TextureFormat::R8Unorm, GL_R8, GL_RED, GL_UNSIGNED_BYTE);
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AddFormat(dawn::TextureFormat::RGBA8Uint, GL_RGBA8UI, GL_RGBA, GL_UNSIGNED_INT);
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AddFormat(dawn::TextureFormat::RG8Uint, GL_RG8UI, GL_RG, GL_UNSIGNED_INT);
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AddFormat(dawn::TextureFormat::R8Uint, GL_R8UI, GL_RED, GL_UNSIGNED_INT);
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// This doesn't have an enum for the internal format in OpenGL, so use RGBA8.
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AddFormat(dawn::TextureFormat::BGRA8Unorm, GL_RGBA8, GL_BGRA, GL_UNSIGNED_BYTE);
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AddFormat(dawn::TextureFormat::Depth24PlusStencil8, GL_DEPTH32F_STENCIL8, GL_DEPTH_STENCIL,
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GL_FLOAT_32_UNSIGNED_INT_24_8_REV);
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return table;
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}
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}} // namespace dawn_native::opengl
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