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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/generic_fp.glsl
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@ -20,8 +20,8 @@ void main()
vec4 color = texture2D(u_DiffuseMap, var_DiffuseTex);
#if defined(USE_LIGHTMAP)
vec4 color2 = texture2D(u_LightMap, var_LightTex);
#if defined(RGBE_LIGHTMAP)
color2.rgb *= exp2(color2.a * 255.0 - 128.0);
#if defined(RGBM_LIGHTMAP)
color2.rgb *= 32.0 * color2.a;
color2.a = 1.0;
#endif