diff options
Diffstat (limited to 'client/shaders/extract_bloom/opengl_fragment.glsl')
| -rw-r--r-- | client/shaders/extract_bloom/opengl_fragment.glsl | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/client/shaders/extract_bloom/opengl_fragment.glsl b/client/shaders/extract_bloom/opengl_fragment.glsl index af320f9ab..45f5e9c6f 100644 --- a/client/shaders/extract_bloom/opengl_fragment.glsl +++ b/client/shaders/extract_bloom/opengl_fragment.glsl @@ -1,8 +1,12 @@ #define rendered texture0 +struct ExposureParams { + float compensationFactor; +}; + uniform sampler2D rendered; -uniform mediump float exposureFactor; uniform mediump float bloomStrength; +uniform ExposureParams exposureParams; #ifdef GL_ES varying mediump vec2 varTexCoord; @@ -10,6 +14,7 @@ varying mediump vec2 varTexCoord; centroid varying vec2 varTexCoord; #endif +varying float exposure; void main(void) { @@ -18,10 +23,6 @@ void main(void) // translate to linear colorspace (approximate) color = pow(color, vec3(2.2)); - // Scale colors by luminance to amplify bright colors - // in SDR textures. - float luminance = dot(color, vec3(0.213, 0.515, 0.072)); - luminance *= luminance; - color *= luminance * exposureFactor * bloomStrength; + color *= pow(2., exposure) * exposureParams.compensationFactor * bloomStrength; gl_FragColor = vec4(color, 1.0); // force full alpha to avoid holes in the image. } |