3d349ea98e
The implementation uses r600 sepcific intrinsics LLVM-4 switched to _ro_t and _rw_t image types Portions of the code can be moved back as more targets/llvm versions add image support Reviewer: Aaron Watry Signed-off-by: Jan Vesely <jan.vesely@rutgers.edu> llvm-svn: 315341
24 lines
726 B
Common Lisp
24 lines
726 B
Common Lisp
#include <clc/clc.h>
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_CLC_DECL float4 __clc_read_imagef_tex(image2d_t, sampler_t, float2);
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int4 __clc_reinterpret_v4f_to_v4i(float4 v) {
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union {
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int4 v4i;
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float4 v4f;
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} res = { .v4f = v};
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return res.v4i;
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}
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_CLC_OVERLOAD _CLC_DEF int4 read_imagei(image2d_t image, sampler_t sampler,
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int2 coord) {
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float2 coord_float = (float2)(coord.x, coord.y);
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return __clc_reinterpret_v4f_to_v4i(
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__clc_read_imagef_tex(image, sampler, coord_float));
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}
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_CLC_OVERLOAD _CLC_DEF int4 read_imagei(image2d_t image, sampler_t sampler,
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float2 coord) {
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return __clc_reinterpret_v4f_to_v4i(
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__clc_read_imagef_tex(image, sampler, coord));
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}
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