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OpenGL2: Use RGBM instead of RGBE encoding for lightmaps.

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This commit is contained in:
SmileTheory 2013-09-16 05:57:14 -07:00
parent 7e875c6941
commit e80faf812e
4 changed files with 26 additions and 38 deletions
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4
code/renderergl2/glsl/lightall_fp.glsl
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@ -285,8 +285,8 @@ void main()
#if defined(USE_LIGHTMAP)
vec4 lightSample = texture2D(u_LightMap, var_LightTex).rgba;
#if defined(RGBE_LIGHTMAP)
lightSample.rgb *= exp2(lightSample.a * 255.0 - 128.0);
#if defined(RGBM_LIGHTMAP)
lightSample.rgb *= 32.0 * lightSample.a;
#endif
vec3 lightColor = lightSample.rgb;
#elif defined(USE_LIGHT_VECTOR) && !defined(USE_FAST_LIGHT)