Update to 1.17-pre3

src/main/resources/assets/blur/shaders/program/fade_in_blur.fsh

@@ -1,9 +1,9 @@
-#version 120
+#version 150
 
 uniform sampler2D DiffuseSampler;
 
-varying vec2 texCoord;
-varying vec2 oneTexel;
+in vec2 texCoord;
+in vec2 oneTexel;
 
 uniform vec2 InSize;
 
@@ -11,6 +11,8 @@ uniform vec2 BlurDir;
 uniform float Radius;
 uniform float Progress;
 
+out vec4 fragColor;
+
 void main() {
     vec4 blurred = vec4(0.0);
     float totalStrength = 0.0;
@@ -18,7 +20,7 @@ void main() {
     float totalSamples = 0.0;
     float progRadius = floor(Radius * Progress);
     for(float r = -progRadius; r <= progRadius; r += 1.0) {
-        vec4 sample = texture2D(DiffuseSampler, texCoord + oneTexel * r * BlurDir);
+        vec4 sample = texture(DiffuseSampler, texCoord + oneTexel * r * BlurDir);
 
 		// Accumulate average alpha
         totalAlpha = totalAlpha + sample.a;
@@ -29,5 +31,5 @@ void main() {
         totalStrength = totalStrength + strength;
         blurred = blurred + sample;
     }
-    gl_FragColor = vec4(blurred.rgb / (progRadius * 2.0 + 1.0), totalAlpha);
+    fragColor = vec4(blurred.rgb / (progRadius * 2.0 + 1.0), totalAlpha);
 }

src/main/resources/assets/blur/shaders/program/fade_in_blur.json

@@ -1,8 +1,8 @@
 {
     "blend": {
         "func": "add",
-        "srcrgb": "one",
-        "dstrgb": "zero"
+        "srcrgb": "srcalpha",
+        "dstrgb": "1-srcalpha"
     },
     "vertex": "sobel",
     "fragment": "blur:fade_in_blur",