From 0c6d978442b244ca3f29c1ffdd44b5007ae7ad93 Mon Sep 17 00:00:00 2001
From: Ilion Beyst <ilion.beyst@gmail.com>
Date: Wed, 29 Dec 2021 21:24:57 +0100
Subject: separate out visualizer library

---
 .../src/lib/visualizer/webgl/renderer.ts           | 157 ---------------------
 1 file changed, 157 deletions(-)
 delete mode 100644 web/pw-frontend/src/lib/visualizer/webgl/renderer.ts

(limited to 'web/pw-frontend/src/lib/visualizer/webgl/renderer.ts')

diff --git a/web/pw-frontend/src/lib/visualizer/webgl/renderer.ts b/web/pw-frontend/src/lib/visualizer/webgl/renderer.ts
deleted file mode 100644
index c3b219f..0000000
--- a/web/pw-frontend/src/lib/visualizer/webgl/renderer.ts
+++ /dev/null
@@ -1,157 +0,0 @@
-import type { IndexBuffer } from './buffer';
-import type { VertexArray } from './vertexBufferLayout';
-import type { Texture } from './texture';
-import type { Dictionary } from './util';
-import type { Shader, Uniform } from './shader';
-import { Uniform1i } from './shader';
-
-function sortedIndex(array, value) {
-    var low = 0,
-        high = array.length;
-
-    while (low < high) {
-        var mid = (low + high) >>> 1;
-        if (array[mid] < value) low = mid + 1;
-        else high = mid;
-    }
-    return low;
-}
-
-export interface Renderable {
-    getUniforms() : Dictionary<Uniform>;
-    render(gl: WebGLRenderingContext): void;
-    updateVAOBuffer(gl: WebGLRenderingContext, index: number, data: number[]);
-    updateIndexBuffer(gl: WebGLRenderingContext, data: number[]);
-}
-
-export class DefaultRenderable implements Renderable {
-    ibo: IndexBuffer;
-    va: VertexArray;
-    shader: Shader;
-    textures: Texture[];
-    uniforms: Dictionary<Uniform>;
-
-    constructor(
-        ibo: IndexBuffer,
-        va: VertexArray,
-        shader: Shader,
-        textures: Texture[],
-        uniforms: Dictionary<Uniform>,
-    ) {
-        this.ibo = ibo;
-        this.va = va;
-        this.shader = shader;
-        this.textures = textures;
-        this.uniforms = uniforms;
-    }
-
-    getUniforms(): Dictionary<Uniform> {
-        return this.uniforms;
-    }
-
-    updateVAOBuffer(gl: WebGLRenderingContext, index: number, data: number[]) {
-        this.va.updateBuffer(gl, index, data);
-    }
-
-    updateIndexBuffer(gl: WebGLRenderingContext, data: number[]) {
-        this.ibo.updateData(gl, data);
-    }
-
-    render(gl: WebGLRenderingContext): void {
-
-        const indexBuffer = this.ibo;
-        const vertexArray = this.va;
-        const uniforms = this.uniforms;
-
-        const shader = this.shader;
-        const textures = this.textures;
-        let texLocation = 0;
-
-        for (let texture of textures) {
-
-            shader.uniform(gl, texture.name, new Uniform1i(texLocation));
-            texture.bind(gl, texLocation);
-
-            texLocation ++;
-            // if (texLocation > maxTextures) {
-            //     console.error("Using too many textures, this is not supported yet\nUndefined behaviour!");
-            // }
-        }
-
-        if (vertexArray && shader && uniforms) {
-            for(let key in uniforms) {
-                shader.uniform(gl, key, uniforms[key]);
-            }
-
-            vertexArray.bind(gl, shader);
-
-            if (indexBuffer) {
-                indexBuffer.bind(gl);
-                gl.drawElements(gl.TRIANGLES, indexBuffer.getCount(), gl.UNSIGNED_SHORT, 0);
-            } else {
-                console.error("IndexBuffer is required to render, for now");
-            }
-        }
-
-    }
-}
-
-export class Renderer {
-    renderables: { [id: number] : [Renderable, boolean][]; };
-    renderable_layers: number[];
-
-    constructor() {
-        this.renderables = {};
-        this.renderable_layers = [];
-    }
-
-    updateUniform(i: number, f: (uniforms: Dictionary<Uniform>) => void, layer=0, ) {
-        f(this.renderables[layer][i][0].getUniforms());
-    }
-
-    disableRenderable(i: number, layer=0) {
-        this.renderables[layer][i][1] = false;
-    }
-
-    enableRenderable(i: number, layer=0) {
-        this.renderables[layer][i][1] = true;
-    }
-
-    addRenderable(item: Renderable, layer=0): number {
-        if(!this.renderables[layer]) {
-            const idx = sortedIndex(this.renderable_layers, layer);
-            this.renderable_layers.splice(idx, 0, layer);
-            this.renderables[layer] = [];
-        }
-
-        this.renderables[layer].push([item, true]);
-        return this.renderables[layer].length - 1;
-    }
-
-    addToDraw(indexBuffer: IndexBuffer, vertexArray: VertexArray, shader: Shader, uniforms?: Dictionary<Uniform>, texture?: Texture[], layer=0): number {
-        return this.addRenderable(
-            new DefaultRenderable(
-                indexBuffer,
-                vertexArray,
-                shader,
-                texture || [],
-                uniforms || {},
-            ), layer
-        );
-    }
-
-    render(gl: WebGLRenderingContext, frameBuffer?: WebGLFramebuffer, width?: number, height?: number) {
-        gl.bindFramebuffer(gl.FRAMEBUFFER, frameBuffer);
-        gl.viewport(0, 0, width || gl.canvas.width, height || gl.canvas.height);
-        gl.clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT);
-
-        const maxTextures = gl.getParameter(gl.MAX_VERTEX_TEXTURE_IMAGE_UNITS);
-
-        for (let layer of this.renderable_layers) {
-            for (let [r, e] of this.renderables[layer]) {
-                if (!e) continue;
-                r.render(gl);
-            }
-        }
-    }
-}
-- 
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