test: update hook signatures in framebuffer and missing frag files

Author: YuktiNandwana

src/webgpu/shaders/material.js

@@ -416,9 +416,9 @@ fn main(input: FragmentInput) -> @location(0) vec4<f32> {
     inputs.emissiveMaterial
   );
 
-  var outColor = HOOK_getFinalColor(
-    HOOK_combineColors(components), input.vTexCoord
-  );
+   var outColor = HOOK_getFinalColor(
+     HOOK_combineColors(components), input.vTexCoord
+   );
   outColor = vec4<f32>(outColor.rgb * outColor.a, outColor.a);
   HOOK_afterFragment();
   return outColor;

test/unit/visual/cases/webgl.js

@@ -1135,19 +1135,18 @@ visualSuite('WebGL', function() {
     });
 
     visualTest('texCoord is available in getFinalColor', (p5, screenshot) => {
-  p5.createCanvas(50, 50, p5.WEBGL);
-  const shader = p5.baseColorShader().modify(() => {
-    getFinalColor((color) => {
-      color = [texCoord[0], texCoord[1], 0, 1];
-      return color;
+      p5.createCanvas(50, 50, p5.WEBGL);
+      const shader = p5.baseColorShader().modify(() => {
+        p5.finalColor.begin();
+        p5.finalColor.set([p5.finalColor.texCoord, 0, 1]);
+        p5.finalColor.end();
+      }, { p5 });
+      p5.background(0);
+      p5.shader(shader);
+      p5.noStroke();
+      p5.plane(50, 50);
+      screenshot();
     });
-  });
-  p5.background(0);
-  p5.shader(shader);
-  p5.noStroke();
-  p5.plane(50, 50);
-  screenshot();
-});
 
     visualSuite('auto-return for shader hooks', () => {
       visualTest('auto-returns input struct when return is omitted', (p5, screenshot) => {

test/unit/visual/screenshots/WebGL/p5.strands/texCoord is available in getFinalColor/000.png

@@ -0,0 +1,3 @@
+{
+  "numScreenshots": 1
+}

test/unit/visual/screenshots/WebGL/p5.strands/texCoord is available in getFinalColor/metadata.json

@@ -318,7 +318,7 @@ suite('p5.Shader', function() {
         uniforms: {
           'sampler2D myTex': null
         },
-        'vec4 getFinalColor': `(vec4 c) {
+        'vec4 getFinalColor': `(vec4 c, vec2 texCoord) {
           return getTexture(myTex, vec2(0.,0.));
         }`
       });