max_luminance pass

Shaders/max_luminance_pass/max_luminance_pass.frag.glsl

@@ -0,0 +1,19 @@
+#version 450
+
+uniform sampler2D tex;
+
+uniform vec2 texSize;
+
+in vec2 texCoord;
+out vec4 fragColor;
+
+void main() {	
+	vec3 col = vec3(0.0);
+	for (int i = -1; i <= 1; ++i) {
+		for (int j = -1; j <= 1; ++j) {
+			vec3 v = texelFetch(tex, ivec2(texCoord * texSize * 2) + ivec2(i, j), 0).rgb;
+			col = max(col, v);
+		}
+	}
+	fragColor = vec4(col, 1.0);
+}

Shaders/max_luminance_pass/max_luminance_pass.json

@@ -0,0 +1,19 @@
+{
+	"contexts": [
+		{
+			"name": "max_luminance_pass",
+			"depth_write": false,
+			"compare_mode": "always",
+			"cull_mode": "none",
+			"links": [
+				{
+					"name": "texSize",
+					"link": "_screenSize"
+				}
+			],
+			"texture_params": [],
+			"vertex_shader": "../include/pass.vert.glsl",
+			"fragment_shader": "max_luminance_pass.frag.glsl"
+		}
+	]
+}

Sources/armory/system/CyclesFunctions.hx

@@ -210,4 +210,34 @@ class CyclesFunctions {
 		return col / (9.0 * blendFac);
 	}
 	";
+
+	public static var str_cotangentFrame = "
+	mat3 cotangentFrame(const vec3 n, const vec3 p, const vec2 duv1, const vec2 duv2) {
+		vec3 dp1 = dFdx(p);
+		vec3 dp2 = dFdy(p);
+		vec3 dp2perp = cross(dp2, n);
+		vec3 dp1perp = cross(n, dp1);
+		vec3 t = dp2perp * duv1.x + dp1perp * duv2.x;
+		vec3 b = dp2perp * duv1.y + dp1perp * duv2.y;
+		float invmax = inversesqrt(max(dot(t, t), dot(b, b)));
+		return mat3(t * invmax, b * invmax, n);
+	}
+	mat3 cotangentFrame(const vec3 n, const vec3 p, const vec2 texCoord) {
+		return cotangentFrame(n, p, dFdx(texCoord), dFdy(texCoord));
+	}
+	";
+
+	public static var str_octahedronWrap = "
+	vec2 octahedronWrap(const vec2 v) {
+		return (1.0 - abs(v.yx)) * (vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0));
+	}
+	";
+
+	public static var str_packFloat = "
+	float packFloat(const float f1, const float f2) {
+		float index = floor(f1 * 100.0); // Temporary
+		float alpha = clamp(f2, 0.0, 1.0 - 0.001);
+		return index + alpha;
+	}
+	";
 }

blender/arm/make_renderpath.py

@@ -5,6 +5,8 @@ import arm.log as log
 import arm.make_state as state
 import arm.api
 
+callback = None
+
 def add_world_defs():
     wrd = bpy.data.worlds['Arm']
     rpdat = arm.utils.get_rp()
@@ -343,3 +345,6 @@ def build():
                 wrd.world_defs += '_PenumbraScale'
         else:
             log.warn('Disabling soft shadows - "Armory Render Path - Cascades" requires to be set to 1 for now')
+
+    if callback != None:
+        callback()