diff options
Diffstat (limited to 'apps/web/src/services/renderer/webgl/webgl-context.ts')
| -rw-r--r-- | apps/web/src/services/renderer/webgl/webgl-context.ts | 49 |
1 files changed, 0 insertions, 49 deletions
diff --git a/apps/web/src/services/renderer/webgl/webgl-context.ts b/apps/web/src/services/renderer/webgl/webgl-context.ts deleted file mode 100644 index 39869a02..00000000 --- a/apps/web/src/services/renderer/webgl/webgl-context.ts +++ /dev/null @@ -1,49 +0,0 @@ -import { createOffscreenCanvas } from "../canvas-utils";
-
-let gl: WebGLRenderingContext | null = null;
-let webglCanvas: OffscreenCanvas | HTMLCanvasElement | null = null;
-const programCache = new Map<string, WebGLProgram>();
-
-export function getWebGLContext({
- width,
- height,
-}: {
- width: number;
- height: number;
-}): {
- context: WebGLRenderingContext;
- programCache: Map<string, WebGLProgram>;
-} {
- if (!webglCanvas) {
- webglCanvas = createOffscreenCanvas({ width, height });
- gl = webglCanvas.getContext("webgl", {
- premultipliedAlpha: false,
- }) as WebGLRenderingContext | null;
- if (!gl) throw new Error("WebGL not supported");
- }
- if (webglCanvas.width !== width || webglCanvas.height !== height) {
- webglCanvas.width = width;
- webglCanvas.height = height;
- }
- if (!gl) throw new Error("WebGL context lost");
- return { context: gl, programCache };
-}
-
-export function readResult({
- width,
- height,
-}: {
- width: number;
- height: number;
-}): OffscreenCanvas | HTMLCanvasElement {
- if (!webglCanvas) throw new Error("WebGL canvas not initialized");
- const outputCanvas = createOffscreenCanvas({ width, height });
- const outputCtx = outputCanvas.getContext("2d") as
- | CanvasRenderingContext2D
- | OffscreenCanvasRenderingContext2D
- | null;
- if (outputCtx) {
- outputCtx.drawImage(webglCanvas, 0, 0, width, height);
- }
- return outputCanvas;
-}
|
