| 47 | fn main(${s}) { |
| 48 | ${a} |
| 49 | `}appendVariableUniforms(t){t.rank!==0&&(t.shape.startsWith("uniforms.")&&this.uniforms.push({name:t.shape.replace("uniforms.",""),type:"u32",length:t.rank}),t.strides.startsWith("uniforms.")&&this.uniforms.push({name:t.strides.replace("uniforms.",""),type:"u32",length:t.rank}))}declareVariable(t,n){if(t.usage==="internal")throw new Error("cannot use internal variable with declareVariable(). use registerInternalVariables() instead.");this.variables.push(t),this.appendVariableUniforms(t);let r=t.usage==="input"?"read":"read_write",o=t.usage==="atomicOutput"?"atomic<i32>":t.type.storage;return`@group(0) @binding(${n}) var<storage, ${r}> ${t.name}: array<${o}>;`}declareVariables(...t){return t.map(n=>this.declareVariable(n,this.variableIndex++)).join(` |
| 50 | `)}registerInternalVariable(t){if(t.usage!=="internal")throw new Error("cannot use input or output variable with registerInternalVariable(). use declareVariables() instead.");this.internalVariables.push(t),this.appendVariableUniforms(t)}registerInternalVariables(...t){return t.forEach(n=>this.registerInternalVariable(n)),this}registerUniform(t,n,r=1){return this.uniforms.push({name:t,type:n,length:r}),this}registerUniforms(t){return this.uniforms=this.uniforms.concat(t),this}uniformDeclaration(){if(this.uniforms.length===0)return"";let t=[];for(let{name:n,type:r,length:o}of this.uniforms)if(o&&o>4)r==="f16"?t.push(`@align(16) ${n}:array<mat2x4<${r}>, ${Math.ceil(o/8)}>`):t.push(`${n}:array<vec4<${r}>, ${Math.ceil(o/4)}>`);else{let i=o==null||o===1?r:`vec${o}<${r}>`;t.push(`${n}:${i}`)}return` |
| 51 | struct Uniforms { ${t.join(", ")} }; |
| 52 | @group(0) @binding(${this.variableIndex}) var<uniform> uniforms: Uniforms;`}get additionalImplementations(){return this.uniformDeclaration()+this.variables.map(t=>t.impl()).join(` |
| 53 | `)+this.internalVariables.map(t=>t.impl()).join(` |