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radeonsi/nir: accurately set input_usage_mask for doubles (v2)

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v2: fix doubles

Reviewed-by: Timothy Arceri <tarceri@itsqueeze.com>
This commit is contained in:
Marek Olšák 2019-07-23 19:12:45 -04:00
parent 56e3c70b56
commit 0993dbcbef
1 changed files with 14 additions and 4 deletions
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18
src/gallium/drivers/radeonsi/si_shader_nir.c
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@ -63,14 +63,24 @@ static void gather_intrinsic_load_deref_input_info(const nir_shader *nir,
case MESA_SHADER_VERTEX: {
unsigned i = var->data.driver_location;
unsigned attrib_count = glsl_count_attribute_slots(var->type, false);
uint8_t mask = nir_ssa_def_components_read(&instr->dest.ssa);
for (unsigned j = 0; j < attrib_count; j++, i++) {
if (glsl_type_is_64bit(glsl_without_array(var->type))) {
/* TODO: set usage mask more accurately for doubles */
info->input_usage_mask[i] = TGSI_WRITEMASK_XYZW;
unsigned dmask = mask;
if (glsl_type_is_dual_slot(glsl_without_array(var->type)) && j % 2)
dmask >>= 2;
dmask <<= var->data.location_frac / 2;
if (dmask & 0x1)
info->input_usage_mask[i] |= TGSI_WRITEMASK_XY;
if (dmask & 0x2)
info->input_usage_mask[i] |= TGSI_WRITEMASK_ZW;
} else {
uint8_t mask = nir_ssa_def_components_read(&instr->dest.ssa);
info->input_usage_mask[i] |= mask << var->data.location_frac;
info->input_usage_mask[i] |=
(mask << var->data.location_frac) & 0xf;
}
}
break;