@motion-core/motion-gpu/dist/core/shader.d.ts

Framework-agnostic WebGPU runtime for fullscreen WGSL shaders with explicit Svelte, React, and Vue adapter entrypoints.

import type { MaterialLineMap, MaterialSourceLocation } from './material-preprocess.js';
import type { StorageBufferType, UniformLayout } from './types.js';
type ComputeShaderSourceLocation = {
    kind: 'compute';
    line: number;
};
/**
 * 1-based map from generated WGSL lines to original material source lines.
 */
export type ShaderLineMap = Array<(MaterialSourceLocation | ComputeShaderSourceLocation) | null>;
/**
 * Result of shader source generation with line mapping metadata.
 */
export interface BuiltShaderSource {
    /**
     * Full WGSL source code.
     */
    code: string;
    /**
     * 1-based generated-line map to material source locations.
     */
    lineMap: ShaderLineMap;
}
/**
 * Assembles complete WGSL shader source used by the fullscreen renderer pipeline.
 *
 * @param fragmentWgsl - User fragment shader code containing `frag(uv: vec2f) -> vec4f`.
 * @param uniformLayout - Resolved uniform layout.
 * @param textureKeys - Sorted texture keys.
 * @param options - Shader build options.
 * @returns Complete WGSL source for vertex + fragment stages.
 */
export declare function buildShaderSource(fragmentWgsl: string, uniformLayout: UniformLayout, textureKeys?: string[], options?: {
    convertLinearToSrgb?: boolean;
    premultiplyOutputAlpha?: boolean;
    storageBufferKeys?: string[];
    storageBufferDefinitions?: Record<string, {
        type: StorageBufferType;
    }>;
}): string;
/**
 * Assembles complete WGSL shader source with material-source line mapping metadata.
 */
export declare function buildShaderSourceWithMap(fragmentWgsl: string, uniformLayout: UniformLayout, textureKeys?: string[], options?: {
    convertLinearToSrgb?: boolean;
    premultiplyOutputAlpha?: boolean;
    fragmentLineMap?: MaterialLineMap;
    storageBufferKeys?: string[];
    storageBufferDefinitions?: Record<string, {
        type: StorageBufferType;
    }>;
}): BuiltShaderSource;
/**
 * Assembles WGSL shader source used by renderer-managed fragment ping-pong passes.
 *
 * The shader exposes the same group(0) frame/uniform/texture bindings as the
 * material fragment shader and adds group(1) bindings for the previous
 * ping-pong texture.
 */
export declare function buildPingPongShaderSource(fragmentWgsl: string, uniformLayout: UniformLayout, textureKeys?: string[]): string;
/**
 * Assembles ping-pong fragment WGSL with material-source line mapping metadata.
 */
export declare function buildPingPongShaderSourceWithMap(fragmentWgsl: string, uniformLayout: UniformLayout, textureKeys?: string[], options?: {
    fragmentLineMap?: MaterialLineMap;
}): BuiltShaderSource;
/**
 * Converts source location metadata to user-facing diagnostics label.
 */
export declare function formatShaderSourceLocation(location: (MaterialSourceLocation | ComputeShaderSourceLocation) | null): string | null;
export {};
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