llvm-capstone/libclc/amdgpu/lib/image/read_imageui.cl
Matt Arsenault a48e15c6cb Split sources for amdgcn and r600
Most files remain in a common amdgpu directory.

Also switches barriers to to use convergent,
and use llvm.amdgcn.s.barrier.

This now requires 3.9/trunk to build amdgcn.

llvm-svn: 260777
2016-02-13 01:01:59 +00:00

24 lines
741 B
Common Lisp

#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));
}