Function initGlsl2wgsl

初始化

Example

import { glsl2wgsl, initGlsl2wgsl } from '@feng3d/glsl2wgsl';

main();

async function main()
{
   // 初始化
   await initGlsl2wgsl();

   const glslVertex = `
   #version 450

   const vec2 pos[4] = vec2[4](vec2(-1.0f, 1.0f), vec2(1.0f, 1.0f), vec2(-1.0f, -1.0f), vec2(1.0f, -1.0f));
   const vec2 tex[4] = vec2[4](vec2(0.0f, 0.0f), vec2(1.0f, 0.0f), vec2(0.0f, 1.0f), vec2(1.0f, 1.0f));

   layout(location = 0) out vec2 vTex;

   void main() {
       vTex = tex[gl_VertexIndex];
       gl_Position = vec4(pos[gl_VertexIndex], 0.0, 1.0);
   }
   `;
   const glslFragment = `
   #version 450

   layout(set = 0, binding = 0) uniform sampler imgSampler;
   layout(set = 0, binding = 1) uniform texture2D img;

   layout(location = 0) in vec2 vTex;
   layout(location = 0) out vec4 outColor;

   void main() {
       outColor = texture(sampler2D(img, imgSampler), vTex);
   }`;

   // 转换顶点着色器
   const wgslVertex = glsl2wgsl(glslVertex, 'vertex');
   // 转换片段着色器
   const wgslFragment = glsl2wgsl(glslFragment, 'fragment');

   console.log(`WebGPU顶点着色器`);
   console.log(wgslVertex);
   console.log(`WebGPU片段着色器`);
   console.log(wgslFragment);
}

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