image_framework_ymj/include/open3d/3rdparty/matdbg/ShaderExtractor.h
2024-12-06 16:25:16 +08:00

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/*
* Copyright (C) 2019 The Android Open Source Project
*
* 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.
*/
#ifndef MATDBG_SHADEREXTRACTOR_H
#define MATDBG_SHADEREXTRACTOR_H
#include <filaflat/ChunkContainer.h>
#include <filaflat/MaterialChunk.h>
#include <filaflat/ShaderBuilder.h>
#include <backend/DriverEnums.h>
#include <utils/CString.h>
namespace filaflat {
class BlobDictionary;
}
namespace filament {
namespace matdbg {
// ShaderExtractor is a utility class for extracting shader source from a material package. It works
// in a manner similar to ShaderReplacer.
class ShaderExtractor {
public:
ShaderExtractor(backend::Backend backend, const void* data, size_t size);
bool parse() noexcept;
bool getShader(backend::ShaderModel shaderModel,
uint8_t variant, backend::ShaderType stage, filaflat::ShaderBuilder& shader) noexcept;
bool getDictionary(filaflat::BlobDictionary& dictionary) noexcept;
static utils::CString spirvToGLSL(const uint32_t* data, size_t wordCount);
static utils::CString spirvToText(const uint32_t* data, size_t wordCount);
private:
filaflat::ChunkContainer mChunkContainer;
filaflat::MaterialChunk mMaterialChunk;
filamat::ChunkType mMaterialTag = filamat::ChunkType::Unknown;
filamat::ChunkType mDictionaryTag = filamat::ChunkType::Unknown;
};
} // namespace matdbg
} // namespace filament
#endif // MATDBG_SHADEREXTRACTOR_H