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nir: convert glsl imageSamples into a new intrinsic

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Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
This commit is contained in:
Ilia Mirkin
2015-08-27 23:27:50 -04:00
parent 37c5c86281
commit 56238305e5
2 changed files with 7 additions and 1 deletions
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src/glsl/nir/glsl_to_nir.cpp
+5 -1
View File
@@ -644,6 +644,8 @@ nir_visitor::visit(ir_call *ir)
op = nir_intrinsic_memory_barrier;
} else if (strcmp(ir->callee_name(), "__intrinsic_image_size") == 0) {
op = nir_intrinsic_image_size;
} else if (strcmp(ir->callee_name(), "__intrinsic_image_samples") == 0) {
op = nir_intrinsic_image_samples;
} else {
unreachable("not reached");
}
@@ -670,6 +672,7 @@ nir_visitor::visit(ir_call *ir)
case nir_intrinsic_image_atomic_xor:
case nir_intrinsic_image_atomic_exchange:
case nir_intrinsic_image_atomic_comp_swap:
case nir_intrinsic_image_samples:
case nir_intrinsic_image_size: {
nir_ssa_undef_instr *instr_undef =
nir_ssa_undef_instr_create(shader, 1);
@@ -693,7 +696,8 @@ nir_visitor::visit(ir_call *ir)
info->dest_components, NULL);
}
if (op == nir_intrinsic_image_size)
if (op == nir_intrinsic_image_size ||
op == nir_intrinsic_image_samples)
break;
/* Set the address argument, extending the coordinate vector to four
src/glsl/nir/nir_intrinsics.h
+2
View File
@@ -125,6 +125,8 @@ INTRINSIC(image_atomic_exchange, 3, ARR(4, 1, 1), true, 1, 1, 0, 0)
INTRINSIC(image_atomic_comp_swap, 4, ARR(4, 1, 1, 1), true, 1, 1, 0, 0)
INTRINSIC(image_size, 0, ARR(), true, 4, 1, 0,
NIR_INTRINSIC_CAN_ELIMINATE | NIR_INTRINSIC_CAN_REORDER)
INTRINSIC(image_samples, 0, ARR(), true, 1, 1, 0,
NIR_INTRINSIC_CAN_ELIMINATE | NIR_INTRINSIC_CAN_REORDER)
#define SYSTEM_VALUE(name, components) \
INTRINSIC(load_##name, 0, ARR(), true, components, 0, 0, \