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path: root/client/shaders/extract_bloom/opengl_fragment.glsl
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Diffstat (limited to 'client/shaders/extract_bloom/opengl_fragment.glsl')
-rw-r--r--client/shaders/extract_bloom/opengl_fragment.glsl11
1 files changed, 9 insertions, 2 deletions
diff --git a/client/shaders/extract_bloom/opengl_fragment.glsl b/client/shaders/extract_bloom/opengl_fragment.glsl
index 45f5e9c6f..36671b06c 100644
--- a/client/shaders/extract_bloom/opengl_fragment.glsl
+++ b/client/shaders/extract_bloom/opengl_fragment.glsl
@@ -14,7 +14,9 @@ varying mediump vec2 varTexCoord;
centroid varying vec2 varTexCoord;
#endif
-varying float exposure;
+#ifdef ENABLE_AUTO_EXPOSURE
+varying float exposure; // linear exposure factor, see vertex shader
+#endif
void main(void)
{
@@ -23,6 +25,11 @@ void main(void)
// translate to linear colorspace (approximate)
color = pow(color, vec3(2.2));
- color *= pow(2., exposure) * exposureParams.compensationFactor * bloomStrength;
+ color *= exposureParams.compensationFactor * bloomStrength;
+
+#ifdef ENABLE_AUTO_EXPOSURE
+ color *= exposure;
+#endif
+
gl_FragColor = vec4(color, 1.0); // force full alpha to avoid holes in the image.
}