File: opengl_fragment.glsl

package info (click to toggle)
minetest 5.6.1%2Bdfsg%2B~1.9.0mt8%2Bdfsg-2
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 48,628 kB
  • sloc: cpp: 209,002; ansic: 14,537; sh: 914; java: 561; python: 303; xml: 208; makefile: 36
file content (23 lines) | stat: -rw-r--r-- 502 bytes parent folder | download | duplicates (2)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
uniform sampler2D baseTexture;
uniform sampler2D normalTexture;
uniform sampler2D textureFlags;

#define leftImage baseTexture
#define rightImage normalTexture
#define maskImage textureFlags

varying mediump vec4 varTexCoord;

void main(void)
{
	vec2 uv = varTexCoord.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;
}