libclc/r600/lib/image/read_imagei.cl

   1 #include <clc/clc.h>
   2
   3 _CLC_DECL float4 __clc_read_imagef_tex(image2d_t, sampler_t, float2);
   4
   5 int4 __clc_reinterpret_v4f_to_v4i(float4 v) {
   6   union {
   7     int4 v4i;
   8     float4 v4f;
   9   } res = { .v4f = v};
  10   return res.v4i;
  11 }
  12
  13 _CLC_OVERLOAD _CLC_DEF int4 read_imagei(image2d_t image, sampler_t sampler,
  14                                         int2 coord) {
  15   float2 coord_float = (float2)(coord.x, coord.y);
  16   return __clc_reinterpret_v4f_to_v4i(
  17     __clc_read_imagef_tex(image, sampler, coord_float));
  18 }
  19 _CLC_OVERLOAD _CLC_DEF int4 read_imagei(image2d_t image, sampler_t sampler,
  20                                         float2 coord) {
  21   return __clc_reinterpret_v4f_to_v4i(
  22     __clc_read_imagef_tex(image, sampler, coord));
  23 }