client/shaders/extract_bloom/opengl_vertex.glsl

   1 #define exposureMap texture1
   2
   3 uniform sampler2D exposureMap;
   4
   5 #ifdef GL_ES
   6 varying mediump vec2 varTexCoord;
   7 #else
   8 centroid varying vec2 varTexCoord;
   9 #endif
  10
  11 varying float exposure;
  12
  13 void main(void)
  14 {
  15         exposure = texture2D(exposureMap, vec2(0.5)).r;
  16
  17         varTexCoord.st = inTexCoord0.st;
  18         gl_Position = inVertexPosition;
  19 }