56 lines
2.2 KiB
C++
56 lines
2.2 KiB
C++
#pragma once
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#include <iostream>
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#include <vector>
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#include "Core.hpp"
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#include <glslang/Public/ShaderLang.h>
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#include <StandAlone/ResourceLimits.h>
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#include <SPIRV/GlslangToSpv.h>
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namespace kp {
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/**
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Shader utily class with functions to compile and process glsl files.
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*/
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class Shader {
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public:
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/**
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* Compile multiple sources with optional filenames. Currently this function
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* uses the glslang C++ interface which is not thread safe so this funciton
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* should not be called from multiple threads concurrently. If you have a
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* online shader processing multithreading use-case that can't use offline
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* compilation please open an issue.
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*
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* @param sources A list of raw glsl shaders in string format
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* @param files A list of file names respective to each of the sources
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* @param entryPoint The function name to use as entry point
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* @param definitions List of pairs containing key value definitions
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* @return The compiled SPIR-V binary in unsigned int32 format
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*/
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static std::vector<uint32_t> compile_sources(
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const std::vector<std::string>& sources,
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const std::vector<std::string>& files = {},
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const std::string& entryPoint = "main",
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std::vector<std::pair<std::string,std::string>> definitions = {});
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/**
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* Compile a single glslang source from string value. Currently this function
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* uses the glslang C++ interface which is not thread safe so this funciton
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* should not be called from multiple threads concurrently. If you have a
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* online shader processing multithreading use-case that can't use offline
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* compilation please open an issue.
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*
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* @param source An individual raw glsl shader in string format
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* @param entryPoint The function name to use as entry point
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* @param definitions List of pairs containing key value definitions
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* @return The compiled SPIR-V binary in unsigned int32 format
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*/
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static std::vector<uint32_t> compile_source(
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const std::string& source,
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const std::string& entryPoint = "main",
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std::vector<std::pair<std::string,std::string>> definitions = {});
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};
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}
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