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-rw-r--r--src/main/resources/assets/notenoughupdates/shaders/program/blur.json21
-rw-r--r--src/main/resources/assets/notenoughupdates/shaders/program/blur2.fsh34
-rw-r--r--src/main/resources/assets/notenoughupdates/shaders/program/setrgbtoalpha.fsh11
-rw-r--r--src/main/resources/assets/notenoughupdates/shaders/program/setrgbtoalpha.json17
-rw-r--r--src/main/resources/assets/notenoughupdates/shaders/program/sobel.vsh20
5 files changed, 103 insertions, 0 deletions
diff --git a/src/main/resources/assets/notenoughupdates/shaders/program/blur.json b/src/main/resources/assets/notenoughupdates/shaders/program/blur.json
new file mode 100644
index 00000000..9da3c2e8
--- /dev/null
+++ b/src/main/resources/assets/notenoughupdates/shaders/program/blur.json
@@ -0,0 +1,21 @@
+{
+ "blend": {
+ "func": "add",
+ "srcrgb": "srcalpha",
+ "dstrgb": "1-srcalpha"
+ },
+ "vertex": "sobel",
+ "fragment": "blur2",
+ "attributes": [ "Position" ],
+ "samplers": [
+ { "name": "DiffuseSampler" }
+ ],
+ "uniforms": [
+ { "name": "ProjMat", "type": "matrix4x4", "count": 16, "values": [ 1.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0, 0.0, 0.0, 0.0, 1.0 ] },
+ { "name": "InSize", "type": "float", "count": 2, "values": [ 1.0, 1.0 ] },
+ { "name": "OutSize", "type": "float", "count": 2, "values": [ 1.0, 1.0 ] },
+ { "name": "BlurDir", "type": "float", "count": 2, "values": [ 1.0, 1.0 ] },
+ { "name": "Radius", "type": "float", "count": 1, "values": [ 5.0 ] },
+ { "name": "AlphaMult", "type": "float", "count": 1, "values": [ 1.0 ] }
+ ]
+}
diff --git a/src/main/resources/assets/notenoughupdates/shaders/program/blur2.fsh b/src/main/resources/assets/notenoughupdates/shaders/program/blur2.fsh
new file mode 100644
index 00000000..ca64470a
--- /dev/null
+++ b/src/main/resources/assets/notenoughupdates/shaders/program/blur2.fsh
@@ -0,0 +1,34 @@
+#version 120
+
+uniform sampler2D DiffuseSampler;
+
+varying vec2 texCoord;
+varying vec2 oneTexel;
+
+uniform vec2 InSize;
+
+uniform vec2 BlurDir;
+uniform float Radius;
+uniform float AlphaMult;
+
+void main() {
+ vec4 blurred = vec4(0.0);
+ float totalStrength = 0.0;
+ float totalAlpha = 0.0;
+ float totalSamples = 0.0;
+ for(float r = -Radius; r <= Radius; r += 1.0) {
+ vec4 sample = texture2D(DiffuseSampler, texCoord + oneTexel * r * BlurDir);
+
+ // Accumulate average alpha
+ totalAlpha = totalAlpha + sample.a;
+ totalSamples = totalSamples + 1.0;
+
+ // Accumulate smoothed blur
+ //float strength = (2.0 - abs(r / Radius))*sample.a;
+ float strength = sample.a;
+ totalStrength = totalStrength + strength;
+ blurred = blurred + sample;
+ }
+ float alpha = totalAlpha/totalSamples*AlphaMult;
+ gl_FragColor = vec4(blurred.rgb / totalStrength, alpha);
+}
diff --git a/src/main/resources/assets/notenoughupdates/shaders/program/setrgbtoalpha.fsh b/src/main/resources/assets/notenoughupdates/shaders/program/setrgbtoalpha.fsh
new file mode 100644
index 00000000..324602fd
--- /dev/null
+++ b/src/main/resources/assets/notenoughupdates/shaders/program/setrgbtoalpha.fsh
@@ -0,0 +1,11 @@
+#version 120
+
+uniform sampler2D DiffuseSampler;
+
+varying vec2 texCoord;
+
+void main(){
+ vec4 diffuseColor = texture2D(DiffuseSampler, texCoord);
+
+ gl_FragColor = vec4(diffuseColor.a);
+}
diff --git a/src/main/resources/assets/notenoughupdates/shaders/program/setrgbtoalpha.json b/src/main/resources/assets/notenoughupdates/shaders/program/setrgbtoalpha.json
new file mode 100644
index 00000000..653764fb
--- /dev/null
+++ b/src/main/resources/assets/notenoughupdates/shaders/program/setrgbtoalpha.json
@@ -0,0 +1,17 @@
+{
+ "blend": {
+ "func": "add",
+ "srcrgb": "srcalpha",
+ "dstrgb": "1-srcalpha"
+ },
+ "vertex": "blit",
+ "fragment": "setrgbtoalpha",
+ "attributes": [ "Position" ],
+ "samplers": [
+ { "name": "DiffuseSampler" }
+ ],
+ "uniforms": [
+ { "name": "ProjMat", "type": "matrix4x4", "count": 16, "values": [ 1.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0, 0.0, 0.0, 0.0, 1.0 ] },
+ { "name": "OutSize", "type": "float", "count": 2, "values": [ 1.0, 1.0 ] }
+ ]
+}
diff --git a/src/main/resources/assets/notenoughupdates/shaders/program/sobel.vsh b/src/main/resources/assets/notenoughupdates/shaders/program/sobel.vsh
new file mode 100644
index 00000000..21b17369
--- /dev/null
+++ b/src/main/resources/assets/notenoughupdates/shaders/program/sobel.vsh
@@ -0,0 +1,20 @@
+#version 120
+
+attribute vec4 Position;
+
+uniform mat4 ProjMat;
+uniform vec2 InSize;
+uniform vec2 OutSize;
+
+varying vec2 texCoord;
+varying vec2 oneTexel;
+
+void main(){
+ vec4 outPos = ProjMat * vec4(Position.xy, 0.0, 1.0);
+ gl_Position = vec4(outPos.xy, 0.2, 1.0);
+
+ oneTexel = 1.0 / InSize;
+
+ texCoord = Position.xy / OutSize;
+ texCoord.y = 1.0 - texCoord.y;
+}