minetest/client/shaders/shadow_shaders/pass2_fragment.glsl
Liso c47313db65
Shadow mapping render pass (#11244)
Co-authored-by: x2048 <codeforsmile@gmail.com>
2021-06-06 18:51:21 +02:00

24 lines
892 B
GLSL

uniform sampler2D ShadowMapClientMap;
#ifdef COLORED_SHADOWS
uniform sampler2D ShadowMapClientMapTraslucent;
#endif
uniform sampler2D ShadowMapSamplerdynamic;
void main() {
#ifdef COLORED_SHADOWS
vec2 first_depth = texture2D(ShadowMapClientMap, gl_TexCoord[0].st).rg;
vec2 depth_splitdynamics = vec2(texture2D(ShadowMapSamplerdynamic, gl_TexCoord[2].st).r, 0.0);
if (first_depth.r > depth_splitdynamics.r)
first_depth = depth_splitdynamics;
vec2 depth_color = texture2D(ShadowMapClientMapTraslucent, gl_TexCoord[1].st).rg;
gl_FragColor = vec4(first_depth.r, first_depth.g, depth_color.r, depth_color.g);
#else
float first_depth = texture2D(ShadowMapClientMap, gl_TexCoord[0].st).r;
float depth_splitdynamics = texture2D(ShadowMapSamplerdynamic, gl_TexCoord[2].st).r;
first_depth = min(first_depth, depth_splitdynamics);
gl_FragColor = vec4(first_depth, 0.0, 0.0, 1.0);
#endif
}