Transform alpha channel as well in shader

diff --git a/client/shaders/test_shader_3/opengl_fragment.glsl b/client/shaders/test_shader_3/opengl_fragment.glsl
index 78abadcaf0535feb7634e9110944438dc0a5d67c..e42fef6e56e102fc9f888fb31a83d593a839313f 100644 (file)
--- a/client/shaders/test_shader_3/opengl_fragment.glsl
+++ b/client/shaders/test_shader_3/opengl_fragment.glsl
@@ -9,7 +9,8 @@ void main (void)
        vec4 col = texture2D(myTexture, vec2(gl_TexCoord[0]));\r
        col *= gl_Color;\r
        col = col * col; // SRGB -> Linear\r
-       col *= 1.8;\r
+       col *= 1.8;
+       col.a = 1.0 - exp(1.0 - col.a) / exp(1.0);\r
        col.r = 1.0 - exp(1.0 - col.r) / exp(1.0);\r
        col.g = 1.0 - exp(1.0 - col.g) / exp(1.0);\r
        col.b = 1.0 - exp(1.0 - col.b) / exp(1.0);\r