pixi.js
Version:
PixiJS — The HTML5 Creation Engine =============
9 lines (5 loc) • 1.89 kB
JavaScript
'use strict';
Object.defineProperty(exports, '__esModule', { value: true });
var source = "struct GlobalFilterUniforms {\n uInputSize:vec4<f32>,\n uInputPixel:vec4<f32>,\n uInputClamp:vec4<f32>,\n uOutputFrame:vec4<f32>,\n uGlobalFrame:vec4<f32>,\n uOutputTexture:vec4<f32>,\n};\n\nstruct AlphaUniforms {\n uAlpha:f32,\n};\n\n@group(0) @binding(0) var<uniform> gfu: GlobalFilterUniforms;\n@group(0) @binding(1) var uTexture: texture_2d<f32>;\n@group(0) @binding(2) var uSampler : sampler;\n\n@group(1) @binding(0) var<uniform> alphaUniforms : AlphaUniforms;\n\nstruct VSOutput {\n @builtin(position) position: vec4<f32>,\n @location(0) uv : vec2<f32>\n };\n\nfn filterVertexPosition(aPosition:vec2<f32>) -> vec4<f32>\n{\n var position = aPosition * gfu.uOutputFrame.zw + gfu.uOutputFrame.xy;\n\n position.x = position.x * (2.0 / gfu.uOutputTexture.x) - 1.0;\n position.y = position.y * (2.0*gfu.uOutputTexture.z / gfu.uOutputTexture.y) - gfu.uOutputTexture.z;\n\n return vec4(position, 0.0, 1.0);\n}\n\nfn filterTextureCoord( aPosition:vec2<f32> ) -> vec2<f32>\n{\n return aPosition * (gfu.uOutputFrame.zw * gfu.uInputSize.zw);\n}\n\nfn globalTextureCoord( aPosition:vec2<f32> ) -> vec2<f32>\n{\n return (aPosition.xy / gfu.uGlobalFrame.zw) + (gfu.uGlobalFrame.xy / gfu.uGlobalFrame.zw); \n}\n\nfn getSize() -> vec2<f32>\n{\n return gfu.uGlobalFrame.zw;\n}\n \n@vertex\nfn mainVertex(\n @location(0) aPosition : vec2<f32>, \n) -> VSOutput {\n return VSOutput(\n filterVertexPosition(aPosition),\n filterTextureCoord(aPosition)\n );\n}\n\n@fragment\nfn mainFragment(\n @location(0) uv: vec2<f32>,\n @builtin(position) position: vec4<f32>\n) -> @location(0) vec4<f32> {\n \n var sample = textureSample(uTexture, uSampler, uv);\n \n return sample * alphaUniforms.uAlpha;\n}";
exports.default = source;
//# sourceMappingURL=alpha.wgsl.js.map