33 lines
776 B
GLSL
33 lines
776 B
GLSL
#version 150
|
|
uniform sampler2D image;
|
|
uniform sampler2D previous_image;
|
|
uniform bool mix_previous;
|
|
|
|
uniform vec2 output_resolution;
|
|
uniform vec2 origin;
|
|
|
|
#define equal(x, y) ((x) == (y))
|
|
#define inequal(x, y) ((x) != (y))
|
|
#define STATIC
|
|
|
|
out vec4 frag_color;
|
|
|
|
#line 1
|
|
{filter}
|
|
|
|
void main()
|
|
{
|
|
vec2 position = gl_FragCoord.xy - origin;
|
|
position /= output_resolution;
|
|
position.y = 1 - position.y;
|
|
vec2 input_resolution = textureSize(image, 0);
|
|
|
|
if (mix_previous) {
|
|
frag_color = mix(scale(image, position, input_resolution, output_resolution),
|
|
scale(previous_image, position, input_resolution, output_resolution), 0.5);
|
|
}
|
|
else {
|
|
frag_color = scale(image, position, input_resolution, output_resolution);
|
|
}
|
|
}
|