/*
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* function: kernel_wire_frame
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*
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* output_y: Y channel image2d_t as write only
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* output_uv: uv channel image2d_t as write only
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* wire_frames_coords: coordinates of wire frames
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* coords_num: number of coordinates to be processed
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*/
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__kernel void kernel_wire_frame (
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__write_only image2d_t output_y, __write_only image2d_t output_uv,
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__global uint2 *wire_frames_coords, uint coords_num,
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float border_y, float border_u, float border_v)
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{
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if (coords_num == 0) {
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return;
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}
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int gid = get_global_id (0);
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if (gid >= coords_num) {
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return;
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}
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uint2 coord = wire_frames_coords [gid];
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write_imagef (output_y, (int2)(coord.x / 2, coord.y), (float4)(border_y));
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if (coord.y % 2 == 0) {
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write_imagef (output_uv, (int2)(coord.x / 2, coord.y / 2), (float4)(border_u, border_v, 0.0f, 0.0f));
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}
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}
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