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SDL_shader_tools

(★ 183)

Shader compiler and tools for SDLSL (Simple Directmedia Layer Shader Language)

파일 탐색기

최종 버전 다운로드 (.zip)

- - main.yml
- Findre2c.cmake
- README-bytecode-format.md
- README-SDL_gpu.md
- README-shader-language-quickstart.md
- CMakeLists.txt
- lemon.c
- lempar.c
- run_tests.pl
- sdl-shader-bytecode-dumper.c
- sdl-shader-compiler.c
.editorconfig
.gitignore
CMakeLists.txt
LICENSE.txt
README.md
SDL_shader_ast.c
SDL_shader_ast.h
SDL_shader_bytecode.h
SDL_shader_common.c
SDL_shader_compiler.c
SDL_shader_compiler.h
SDL_shader_internal.h
SDL_shader_lexer.c
SDL_shader_lexer.re
SDL_shader_parser.lemon
SDL_shader_preprocessor.c

# 설치 가이드

1. 코드 내려받기

git clone https://github.com/libsdl-org/SDL_shader_tools

깃허브에서 프로젝트 코드 전체를 내 컴퓨터로 내려받습니다.

cd SDL_shader_tools

방금 내려받은 프로젝트 폴더 안으로 이동합니다.

2. CMake

보통 추천

사전 준비물

Git GitHub에서 프로젝트 코드를 내려받으려면 필요합니다.
CMake 빌드 설정을 생성하는 도구입니다.
C/C++ 컴파일러 Windows는 Visual Studio(Community 무료), macOS는 Xcode Command Line Tools, Linux는 gcc/g++ 패키지가 필요합니다.

mkdir build && cd build

빌드 결과물을 담을 폴더를 만들고 그 안으로 이동합니다.

cmake ..

소스코드를 분석해 빌드 설정 파일을 생성합니다 (build 폴더 안에서 실행해야 함).

make

생성된 빌드 설정을 바탕으로 실제 컴파일을 진행해 실행 파일을 만듭니다.

✅ build 폴더 안에 실행 파일이 생성됐는지 확인하고, 직접 실행해보세요 (예: ./build/앱이름).

// repository documentation

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# THIS IS A WORK IN PROGRESS

This is not yet ready for _anything_, let alone production use.

It's not clear if this will continue to live in a separate project or
become part of SDL itself. At the very least, it will definitely move to
a different location on GitHub.

This will--eventually, I hope--become tools used to generate shader
bytecode for SDL's GPU API.

This is not meant to become a world-class compiler; the primary goals are:

- Fast and cheap
- Reasonable to ship at runtime or embed in another project.

Which is to say that a non-goal is:

- Heavy optimization of shaders at compile time.

There is much work to be done here, and so much to build, so please be
patient as things fall into place and decisions are made.

# Current status: semantic analysis!

We have a first draft of the syntax we're aiming for, a parser that
can handle it, and enough semantic analysis to tell you if the parsed
program is legal (modulo some small incomplete pieces at the moment).

Build the project with CMake, and then you should have a program named
"sdl-shader-compiler" ...run it like this to see it spit out the
Abstract Syntax Tree (AST) of a shader (which at the moment just looks
much like the shader itself with mild reformatting, because it will output
source code from the AST that it generated)...

```bash
./sdl-shader-compiler -T -I some_dir -DSOME_DEFINE=SOME_VALUE some_source.shader
```

If you want to see it complain about semantic analysis errors (but not
generate any binaries yet)...

```bash
./sdl-shader-compiler -C -I some_dir -DSOME_DEFINE=SOME_VALUE some_source.shader
```

If you just want to see it preprocess stuff, like a C preprocessor does:

```bash
./sdl-shader-compiler -P -I some_dir -DSOME_DEFINE=SOME_VALUE some_source.shader
```