r600/lib/image/read_imageui.cl


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23

#include <clc/clc.h>

_CLC_DECL float4 __clc_read_imagef_tex(image2d_t, sampler_t, float2);

uint4 __clc_reinterpret_v4f_to_v4ui(float4 v) {
  union {
    uint4 v4ui;
    float4 v4f;
  } res = { .v4f = v};
  return res.v4ui;
}

_CLC_OVERLOAD _CLC_DEF uint4 read_imageui(image2d_t image, sampler_t sampler,
                                          int2 coord) {
  float2 coord_float = (float2)(coord.x, coord.y);
  return __clc_reinterpret_v4f_to_v4ui(
    __clc_read_imagef_tex(image, sampler, coord_float));
}
_CLC_OVERLOAD _CLC_DEF uint4 read_imageui(image2d_t image, sampler_t sampler,
                                          float2 coord) {
  return __clc_reinterpret_v4f_to_v4ui(
    __clc_read_imagef_tex(image, sampler, coord));
}