pixi.js
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9 lines (5 loc) • 2.03 kB
JavaScript
'use strict';
Object.defineProperty(exports, '__esModule', { value: true });
var blendTemplate = "\nstruct 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 BlendUniforms {\n uBlend: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@group(0) @binding(3) var uBackTexture: texture_2d<f32>;\n\n@group(1) @binding(0) var<uniform> blendUniforms : BlendUniforms;\n\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 \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{FUNCTIONS}\n\n@fragment\nfn mainFragment(\n @location(0) uv: vec2<f32>\n) -> @location(0) vec4<f32> {\n\n\n var back = textureSample(uBackTexture, uSampler, uv);\n var front = textureSample(uTexture, uSampler, uv);\n var blendedAlpha = front.a + back.a * (1.0 - front.a);\n \n var out = vec4<f32>(0.0,0.0,0.0,0.0);\n\n {MAIN}\n\n return out;\n}";
exports.default = blendTemplate;
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