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Use multisampling on the shadow maps for the voxels, too.

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This commit is contained in:
Andrzej Kapolka 2014-05-27 17:26:19 -07:00
parent 0b3486d27b
commit 7c12417653
1 changed files with 8 additions and 1 deletions
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9
interface/resources/shaders/shadow_map.frag
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@ -13,8 +13,15 @@
uniform sampler2DShadow shadowMap;
// the inverse of the size of the shadow map
const float shadowScale = 1.0 / 2048.0;
varying vec4 shadowColor;
void main(void) {
gl_FragColor = mix(shadowColor, gl_Color, shadow2D(shadowMap, gl_TexCoord[0].stp));
gl_FragColor = mix(shadowColor, gl_Color, 0.25 *
(shadow2D(shadowMap, gl_TexCoord[0].stp + vec3(-shadowScale, -shadowScale, 0.0)).r +
shadow2D(shadowMap, gl_TexCoord[0].stp + vec3(-shadowScale, shadowScale, 0.0)).r +
shadow2D(shadowMap, gl_TexCoord[0].stp + vec3(shadowScale, -shadowScale, 0.0)).r +
shadow2D(shadowMap, gl_TexCoord[0].stp + vec3(shadowScale, shadowScale, 0.0)).r));
}