1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
|
/*
* function: kernel_wire_frame
*
* output_y: Y channel image2d_t as write only
* output_uv: uv channel image2d_t as write only
* wire_frames_coords: coordinates of wire frames
* coords_num: number of coordinates to be processed
*/
__kernel void kernel_wire_frame (
__write_only image2d_t output_y, __write_only image2d_t output_uv,
__global uint2 *wire_frames_coords, uint coords_num,
float border_y, float border_u, float border_v)
{
if (coords_num == 0) {
return;
}
int gid = get_global_id (0);
if (gid >= coords_num) {
return;
}
uint2 coord = wire_frames_coords [gid];
write_imagef (output_y, (int2)(coord.x / 2, coord.y), (float4)(border_y));
if (coord.y % 2 == 0) {
write_imagef (output_uv, (int2)(coord.x / 2, coord.y / 2), (float4)(border_u, border_v, 0.0f, 0.0f));
}
}
|
