2
0
mirror of https://github.com/raylib-cs/raylib-cs synced 2025-09-11 03:01:43 -04:00
Files
raylib-cs/Examples/shaders/resources/shaders/glsl330/grayscale.fs
ChrisDill bdf17a2101 Changing examples to use makefile
- Testing a modified version of the makefile from raylib Instead of multiple project files for examples.
- Fixed readme example
2018-10-01 09:25:18 +01:00

26 lines
648 B
GLSL

#version 330
// Input vertex attributes (from vertex shader)
in vec2 fragTexCoord;
in vec4 fragColor;
// Input uniform values
uniform sampler2D texture0;
uniform vec4 colDiffuse;
// Output fragment color
out vec4 finalColor;
// NOTE: Add here your custom variables
void main()
{
// Texel color fetching from texture sampler
vec4 texelColor = texture(texture0, fragTexCoord)*colDiffuse*fragColor;
// Convert texel color to grayscale using NTSC conversion weights
float gray = dot(texelColor.rgb, vec3(0.299, 0.587, 0.114));
// Calculate final fragment color
finalColor = vec4(gray, gray, gray, texelColor.a);
}