| 1 | import type { Dict } from '@pixi/utils';
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| 2 | /**
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| 3 | * @private
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| 4 | */
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| 5 | export declare class IGLUniformData {
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| 6 | location: WebGLUniformLocation;
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| 7 | value: number | boolean | Float32Array | Int32Array | Uint32Array | boolean[];
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| 8 | }
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| 9 | /**
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| 10 | * Helper class to create a WebGL Program
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| 11 | * @memberof PIXI
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| 12 | */
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| 13 | export declare class GLProgram {
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| 14 | /** The shader program. */
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| 15 | program: WebGLProgram;
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| 16 | /**
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| 17 | * Holds the uniform data which contains uniform locations
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| 18 | * and current uniform values used for caching and preventing unneeded GPU commands.
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| 19 | */
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| 20 | uniformData: Dict<any>;
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| 21 | /**
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| 22 | * UniformGroups holds the various upload functions for the shader. Each uniform group
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| 23 | * and program have a unique upload function generated.
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| 24 | */
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| 25 | uniformGroups: Dict<any>;
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| 26 | /** A hash that stores where UBOs are bound to on the program. */
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| 27 | uniformBufferBindings: Dict<any>;
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| 28 | /** A hash for lazily-generated uniform uploading functions. */
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| 29 | uniformSync: Dict<any>;
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| 30 | /**
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| 31 | * A place where dirty ticks are stored for groups
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| 32 | * If a tick here does not match with the Higher level Programs tick, it means
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| 33 | * we should re upload the data.
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| 34 | */
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| 35 | uniformDirtyGroups: Dict<any>;
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| 36 | /**
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| 37 | * Makes a new Pixi program.
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| 38 | * @param program - webgl program
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| 39 | * @param uniformData - uniforms
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| 40 | */
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| 41 | constructor(program: WebGLProgram, uniformData: {
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| 42 | [key: string]: IGLUniformData;
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| 43 | });
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| 44 | /** Destroys this program. */
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| 45 | destroy(): void;
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| 46 | }
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