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Lightmap: ATI fix by AndersG

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This commit is contained in:
Gijs de Rooy 2011-02-11 19:35:47 +01:00
parent 8db0ca44ef
commit 4fd8621209
2 changed files with 8 additions and 1 deletions
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6
Shaders/lightmap.frag
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@ -1,6 +1,10 @@
// -*-C++-*-
// Ambient term comes in gl_Color.rgb.
//
// See http://wiki.flightgear.org/index.php/Howto:_Lightmap for details on
// how to use it.
varying vec4 diffuse_term;
varying vec3 normal;
varying float fogCoord;
@ -46,7 +50,7 @@ void main()
texel = texture2D(texture, gl_TexCoord[0].st);
fragColor = color * texel + specular;
vec3 lightmapTexel = texture2D(lightmap_texture, gl_TexCoord[0].st).rgb;
fragColor.rgb = max(fragColor.rgb, lightmapTexel*gl_FrontMaterial.diffuse*texel);
fragColor.rgb = max(fragColor.rgb, lightmapTexel * gl_FrontMaterial.diffuse.rgb * texel.rgb);
fogFactor = exp(-gl_Fog.density * gl_Fog.density * fogCoord * fogCoord);
gl_FragColor = mix(gl_Fog.color, fragColor, fogFactor);
}

3
Shaders/lightmap.vert
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@ -7,6 +7,9 @@
//
// Diffuse colors come from the gl_Color, ambient from the material. This is
// equivalent to osg::Material::DIFFUSE.
//
// See http://wiki.flightgear.org/index.php/Howto:_Lightmap for details on
// how to use it.
#define MODE_OFF 0
#define MODE_DIFFUSE 1