[orx-fx] add pregain parameter to MipBloom

2021-10-03 13:36:09 +02:00
parent d84be87d27
commit 8acf6eb572
2 changed files with 9 additions and 1 deletions
--- a/orx-fx/src/shaders/glsl/blur/bloom-combine.frag
+++ b/orx-fx/src/shaders/glsl/blur/bloom-combine.frag
@@ -5,9 +5,10 @@ uniform sampler2D tex0;
 uniform sampler2D tex1;

 uniform float gain;
+uniform float pregain;
 uniform vec4 bias;

 void main() {
-	o_output = texture(tex0, v_texCoord0) +  texture(tex1, v_texCoord0)*gain;
+	o_output = texture(tex0, v_texCoord0) * pregain +  texture(tex1, v_texCoord0)*gain;
 	o_output.a = clamp(o_output.a, 0.0, 1.0);
 }