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nir: Add nir_builder support for individual system value loads.

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The previous nir_load_system_value(b, nir_intrinsic_load_whatever), 0) was
rather verbose, when system values should be easy to generate.

The index is left out because only one system value had an index included
in it.

Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
This commit is contained in:
Eric Anholt
2016-08-05 17:10:18 -07:00
parent 24728637e2
commit c35f979220
6 changed files with 34 additions and 20 deletions
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15
src/compiler/nir/nir_builder.h
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@@ -465,6 +465,7 @@ nir_copy_var(nir_builder *build, nir_variable *dest, nir_variable *src)
nir_builder_instr_insert(build, &copy->instr);
}
/* Generic builder for system values. */
static inline nir_ssa_def *
nir_load_system_value(nir_builder *build, nir_intrinsic_op op, int index)
{
@@ -477,6 +478,20 @@ nir_load_system_value(nir_builder *build, nir_intrinsic_op op, int index)
return &load->dest.ssa;
}
/* Generate custom builders for system values. */
#define INTRINSIC(name, num_srcs, src_components, has_dest, dest_components, \
num_variables, num_indices, idx0, idx1, idx2, flags)
#define LAST_INTRINSIC(name)
#define DEFINE_SYSTEM_VALUE(name) \
static inline nir_ssa_def * \
nir_load_##name(nir_builder *build) \
{ \
return nir_load_system_value(build, nir_intrinsic_load_##name, 0); \
} \
#include "nir_intrinsics.h"
static inline nir_ssa_def *
nir_load_barycentric(nir_builder *build, nir_intrinsic_op op,
unsigned interp_mode)