1.11.7

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;    
+}