feat: migrate GPU renderer from WebGL to wgpu/WASM

2 files changed, 9 insertions, 34 deletions

diff --git a/apps/web/src/lib/effects/definitions/blur.frag.glsl b/apps/web/src/lib/effects/definitions/blur.frag.glsl
deleted file mode 100644
index c9ad2eae..00000000
--- a/apps/web/src/lib/effects/definitions/blur.frag.glsl
+++ /dev/null
@@ -1,25 +0,0 @@
-precision mediump float;
-
-uniform sampler2D u_texture;
-uniform vec2 u_resolution;
-uniform float u_sigma;
-uniform float u_step;
-uniform vec2 u_direction;
-
-varying vec2 v_texCoord;
-
-void main() {
-  vec2 texelSize = 1.0 / u_resolution;
-
-  vec4 color = vec4(0.0);
-  float totalWeight = 0.0;
-
-  for (int i = -30; i <= 30; i++) {
-    float pos = float(i) * u_step;
-    float weight = exp(-(pos * pos) / (2.0 * u_sigma * u_sigma));
-    color += texture2D(u_texture, v_texCoord + texelSize * u_direction * pos) * weight;
-    totalWeight += weight;
-  }
-
-  gl_FragColor = color / totalWeight;
-}
\ No newline at end of file
diff --git a/apps/web/src/lib/effects/definitions/blur.ts b/apps/web/src/lib/effects/definitions/blur.ts
index 54934402..3bfd5e3c 100644
--- a/apps/web/src/lib/effects/definitions/blur.ts
+++ b/apps/web/src/lib/effects/definitions/blur.ts
@@ -1,5 +1,6 @@
-import type { EffectDefinition, ResolvedEffectPass } from "@/lib/effects/types";
-import blurFragmentShader from "./blur.frag.glsl";
+import type { EffectDefinition, EffectPass } from "@/lib/effects/types";
+
+export const GAUSSIAN_BLUR_SHADER = "gaussian-blur";
 
 const MAX_SINGLE_PASS_SIGMA = 10;
 const MAX_STEP = 4;
@@ -17,7 +18,7 @@ export function buildGaussianBlurPasses({
 }: {
 	sigmaX: number;
 	sigmaY: number;
-}): ResolvedEffectPass[] {
+}): EffectPass[] {
 	const maxSigma = Math.max(sigmaX, sigmaY);
 	if (maxSigma < 0.001) return [];
 
@@ -36,10 +37,10 @@ export function buildGaussianBlurPasses({
 	const stepX = Math.max(1, perPassSigmaX / MAX_SINGLE_PASS_SIGMA);
 	const stepY = Math.max(1, perPassSigmaY / MAX_SINGLE_PASS_SIGMA);
 
-	const passes: ResolvedEffectPass[] = [];
+	const passes: EffectPass[] = [];
 	for (let i = 0; i < iterations; i++) {
 		passes.push({
-			fragmentShader: blurFragmentShader,
+			shader: GAUSSIAN_BLUR_SHADER,
 			uniforms: {
 				u_sigma: perPassSigmaX,
 				u_step: stepX,
@@ -47,7 +48,7 @@ export function buildGaussianBlurPasses({
 			},
 		});
 		passes.push({
-			fragmentShader: blurFragmentShader,
+			shader: GAUSSIAN_BLUR_SHADER,
 			uniforms: {
 				u_sigma: perPassSigmaY,
 				u_step: stepY,
@@ -83,10 +84,9 @@ export const blurEffectDefinition: EffectDefinition = {
 		},
 	],
 	renderer: {
-		type: "webgl",
 		passes: [
 			{
-				fragmentShader: blurFragmentShader,
+				shader: GAUSSIAN_BLUR_SHADER,
 				uniforms: ({ effectParams, width }) => ({
 					u_sigma: Math.max(intensityToSigma(parseIntensity(effectParams), width, 1920), 0.001),
 					u_step: 1,
@@ -94,7 +94,7 @@ export const blurEffectDefinition: EffectDefinition = {
 				}),
 			},
 			{
-				fragmentShader: blurFragmentShader,
+				shader: GAUSSIAN_BLUR_SHADER,
 				uniforms: ({ effectParams, height }) => ({
 					u_sigma: Math.max(intensityToSigma(parseIntensity(effectParams), height, 1080), 0.001),
 					u_step: 1,