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Trac3r-rust/resources/shaders/add.compute

76 lines
2.5 KiB

#version 450
layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
layout(set = 0, binding = 0) buffer wData {
int buf[];
} write_buffer;
layout(set = 0, binding = 1) buffer rData {
int buf[];
} read_buffer;
layout(set = 0, binding = 2) buffer Settings {
int settings[];
} settings;
ivec4 separate(int pix){
ivec4 r = ivec4(
(pix & 0x000000FF),
(pix & 0x0000FF00) >> 8,
(pix & 0x00FF0000) >> 16,
(pix & 0xFF000000) >> 24
);
return r;
}
uint get_idx(int offset_x, int offset_y){
// uint x = min(settings.settings[0], max(0, gl_GlobalInvocationID.x + offset_x));
// uint y = min(settings.settings[1], max(0, gl_GlobalInvocationID.y + offset_y));
// return ((y * settings.settings[0]) + x);
uint x = min(settings.settings[0], max(0, gl_GlobalInvocationID.x + offset_x));
uint y = min(settings.settings[1], max(0, gl_GlobalInvocationID.y + offset_y));
return ((y * settings.settings[0]) + x);
}
void main() {
uint idx = get_idx(0,0);
ivec4 p = separate(read_buffer.buf[get_idx(0 , 0)]);
ivec4 p0 = separate(read_buffer.buf[get_idx(0 , 1)]);
ivec4 p1 = separate(read_buffer.buf[get_idx(0 ,-1)]);
ivec4 p2 = separate(read_buffer.buf[get_idx(1 , 1)]);
ivec4 p3 = separate(read_buffer.buf[get_idx(-1,-1)]);
ivec4 p4 = separate(read_buffer.buf[get_idx(1 , 0)]);
ivec4 p5 = separate(read_buffer.buf[get_idx(-1, 0)]);
ivec4 p6 = separate(read_buffer.buf[get_idx(1 ,-1)]);
ivec4 p7 = separate(read_buffer.buf[get_idx(-1, 1)]);
ivec3 d0 = abs(p0.xyz - p1.xyz);
ivec3 d1 = abs(p2.xyz - p3.xyz);
ivec3 d2 = abs(p4.xyz - p5.xyz);
ivec3 d3 = abs(p6.xyz - p7.xyz);
ivec3 m = max(max(max(d0, d1), d2), d3);
if ((m.x + m.y + m.z) > 1){
p.x = 0;
p.y = 0;
p.z = 255;
}
//p.z = max(p.z - (d0.x + d0.y + d0.z + d1.x + d1.y + d1.z)/5, 0);
write_buffer.buf[idx] = (write_buffer.buf[idx] & (~0x000000FF) ) | (p.x);
write_buffer.buf[idx] = (write_buffer.buf[idx] & (~0x0000FF00) ) | (p.y << 8);
write_buffer.buf[idx] = (write_buffer.buf[idx] & (~0x00FF0000) ) | (p.z << 16);
write_buffer.buf[idx] = (write_buffer.buf[idx] & (~0xFF000000) ) | (p.w << 24);
// read_buffer.buf[idx] = (read_buffer.buf[idx] & (~0x000000FF) ) | (p.x);
// read_buffer.buf[idx] = (read_buffer.buf[idx] & (~0x0000FF00) ) | (p.y << 8);
// read_buffer.buf[idx] = (read_buffer.buf[idx] & (~0x00FF0000) ) | (p.z << 16);
// read_buffer.buf[idx] = (read_buffer.buf[idx] & (~0xFF000000) ) | (p.w << 24);
}