37 lines
908 B
C
37 lines
908 B
C
#include "v4k.h"
|
|
|
|
int main() {
|
|
// 75% sized, MSAAx2
|
|
window_create(50, WINDOW_SQUARE);
|
|
window_title(__FILE__);
|
|
|
|
unsigned TEX_WIDTH = 1000;
|
|
|
|
unsigned comp = compute(vfs_read("shaders/compute-test.glsl"));
|
|
texture_t tex = texture_create(TEX_WIDTH, TEX_WIDTH, 4, 0, TEXTURE_LINEAR|TEXTURE_FLOAT);
|
|
shader_bind(comp);
|
|
shader_image(tex, 0, 0, 0, BUFFER_READ);
|
|
|
|
struct {
|
|
float f;
|
|
} data;
|
|
|
|
unsigned buf = ssbo_create(&data, sizeof(data), STREAM_DRAW);
|
|
|
|
while ( window_swap() && !input_down(KEY_ESC) ){
|
|
if (input(KEY_F5)) window_reload();
|
|
|
|
shader_bind(comp);
|
|
data.f = (float)window_time();
|
|
ssbo_bind(buf, 1);
|
|
ssbo_update(0, sizeof(data), &data);
|
|
|
|
compute_dispatch(TEX_WIDTH/10, TEX_WIDTH/10, 1);
|
|
image_write_barrier();
|
|
|
|
fullscreen_quad_rgb(tex, 2.2);
|
|
}
|
|
|
|
return 0;
|
|
}
|