minetest/client/shaders/3d_interlaced_merge/opengl_fragment.glsl
Vitaliy 28841961ba Rewrite rendering engine (#6253)
* Clean draw_*() arguments

* Split rendering core

* Add anaglyph 3D

* Interlaced 3D

* Drop obsolete methods
2017-10-31 19:27:10 +01:00

22 lines
470 B
GLSL

uniform sampler2D baseTexture;
uniform sampler2D normalTexture;
uniform sampler2D textureFlags;
#define leftImage baseTexture
#define rightImage normalTexture
#define maskImage textureFlags
void main(void)
{
vec2 uv = gl_TexCoord[0].st;
vec4 left = texture2D(leftImage, uv).rgba;
vec4 right = texture2D(rightImage, uv).rgba;
vec4 mask = texture2D(maskImage, uv).rgba;
vec4 color;
if (mask.r > 0.5)
color = right;
else
color = left;
gl_FragColor = color;
}