61558ab83f
Some deep review of this shaders is required for optimization...
33 lines
720 B
GLSL
33 lines
720 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
|
|
|
|
// NOTE: Render size values must be passed from code
|
|
const float renderWidth = 800;
|
|
const float renderHeight = 450;
|
|
|
|
uniform float pixelWidth = 5.0;
|
|
uniform float pixelHeight = 5.0;
|
|
|
|
void main()
|
|
{
|
|
float dx = pixelWidth*(1.0/renderWidth);
|
|
float dy = pixelHeight*(1.0/renderHeight);
|
|
|
|
vec2 coord = vec2(dx*floor(fragTexCoord.x/dx), dy*floor(fragTexCoord.y/dy));
|
|
|
|
vec3 tc = texture(texture0, coord).rgb;
|
|
|
|
finalColor = vec4(tc, 1.0);
|
|
} |