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intel/compiler: Set correct return format for brw_SAMPLE

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on GFX8 onwards, we have only single bit to determine correct return
format.

v2:
- Define macro and use it instead of hardcoded value. (Lionel)

Signed-off-by: Sagar Ghuge <sagar.ghuge@intel.com>
Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Reviewed-by: Francisco Jerez <currojerez@riseup.net>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/11766>
This commit is contained in:
Sagar Ghuge
2021-10-13 16:53:44 -07:00
parent 7603187aec
commit f78e33aa1a
2 changed files with 7 additions and 1 deletions
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3
src/intel/compiler/brw_eu_defines.h
View File

@@ -1301,6 +1301,9 @@ enum brw_message_target {
#define BRW_SAMPLER_RETURN_FORMAT_UINT32 2
#define BRW_SAMPLER_RETURN_FORMAT_SINT32 3
#define GFX8_SAMPLER_RETURN_FORMAT_32BITS 0
#define GFX8_SAMPLER_RETURN_FORMAT_16BITS 1
#define BRW_SAMPLER_MESSAGE_SIMD8_SAMPLE 0
#define BRW_SAMPLER_MESSAGE_SIMD16_SAMPLE 0
#define BRW_SAMPLER_MESSAGE_SIMD16_SAMPLE_BIAS 0

5
src/intel/compiler/brw_fs_generator.cpp
View File

@@ -1063,6 +1063,9 @@ fs_generator::generate_get_buffer_size(fs_inst *inst,
dst = vec16(dst);
}
uint32_t return_format =
devinfo->ver >= 8 ? GFX8_SAMPLER_RETURN_FORMAT_32BITS :
BRW_SAMPLER_RETURN_FORMAT_SINT32;
brw_SAMPLE(p,
retype(dst, BRW_REGISTER_TYPE_UW),
inst->base_mrf,
@@ -1074,7 +1077,7 @@ fs_generator::generate_get_buffer_size(fs_inst *inst,
inst->mlen,
inst->header_size > 0,
simd_mode,
BRW_SAMPLER_RETURN_FORMAT_SINT32);
return_format);
}
void