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nir: split SSBO min/max atomic instrinsics into signed/unsigned versions

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NIR is typeless so this is the only way to keep track of the
type to select the proper atomic to use.

v2:
  - Use imin,imax,umin,umax for the intrinsic names (Connor Abbott)
  - Change message for unreachable paths (Michael Schellenberger)

Tested-by: Markus Wick <markus@selfnet.de>
Reviewed-by: Kristian Høgsberg <krh@bitplanet.net>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
This commit is contained in:
Iago Toral Quiroga
2015-09-28 10:47:22 +02:00
parent be800ef6d8
commit baee16bf02
4 changed files with 42 additions and 26 deletions
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22
src/glsl/nir/glsl_to_nir.cpp
View File

@@ -691,9 +691,21 @@ nir_visitor::visit(ir_call *ir)
} else if (strcmp(ir->callee_name(), "__intrinsic_ssbo_atomic_xor_internal") == 0) {
op = nir_intrinsic_ssbo_atomic_xor;
} else if (strcmp(ir->callee_name(), "__intrinsic_ssbo_atomic_min_internal") == 0) {
op = nir_intrinsic_ssbo_atomic_min;
assert(ir->return_deref);
if (ir->return_deref->type == glsl_type::int_type)
op = nir_intrinsic_ssbo_atomic_imin;
else if (ir->return_deref->type == glsl_type::uint_type)
op = nir_intrinsic_ssbo_atomic_umin;
else
unreachable("Invalid type");
} else if (strcmp(ir->callee_name(), "__intrinsic_ssbo_atomic_max_internal") == 0) {
op = nir_intrinsic_ssbo_atomic_max;
assert(ir->return_deref);
if (ir->return_deref->type == glsl_type::int_type)
op = nir_intrinsic_ssbo_atomic_imax;
else if (ir->return_deref->type == glsl_type::uint_type)
op = nir_intrinsic_ssbo_atomic_umax;
else
unreachable("Invalid type");
} else if (strcmp(ir->callee_name(), "__intrinsic_ssbo_atomic_exchange_internal") == 0) {
op = nir_intrinsic_ssbo_atomic_exchange;
} else if (strcmp(ir->callee_name(), "__intrinsic_ssbo_atomic_comp_swap_internal") == 0) {
@@ -902,8 +914,10 @@ nir_visitor::visit(ir_call *ir)
break;
}
case nir_intrinsic_ssbo_atomic_add:
case nir_intrinsic_ssbo_atomic_min:
case nir_intrinsic_ssbo_atomic_max:
case nir_intrinsic_ssbo_atomic_imin:
case nir_intrinsic_ssbo_atomic_umin:
case nir_intrinsic_ssbo_atomic_imax:
case nir_intrinsic_ssbo_atomic_umax:
case nir_intrinsic_ssbo_atomic_and:
case nir_intrinsic_ssbo_atomic_or:
case nir_intrinsic_ssbo_atomic_xor:

6
src/glsl/nir/nir_intrinsics.h
View File

@@ -174,8 +174,10 @@ INTRINSIC(image_samples, 0, ARR(), true, 1, 1, 0,
* 3: For CompSwap only: the second data parameter.
*/
INTRINSIC(ssbo_atomic_add, 3, ARR(1, 1, 1), true, 1, 0, 0, 0)
INTRINSIC(ssbo_atomic_min, 3, ARR(1, 1, 1), true, 1, 0, 0, 0)
INTRINSIC(ssbo_atomic_max, 3, ARR(1, 1, 1), true, 1, 0, 0, 0)
INTRINSIC(ssbo_atomic_imin, 3, ARR(1, 1, 1), true, 1, 0, 0, 0)
INTRINSIC(ssbo_atomic_umin, 3, ARR(1, 1, 1), true, 1, 0, 0, 0)
INTRINSIC(ssbo_atomic_imax, 3, ARR(1, 1, 1), true, 1, 0, 0, 0)
INTRINSIC(ssbo_atomic_umax, 3, ARR(1, 1, 1), true, 1, 0, 0, 0)
INTRINSIC(ssbo_atomic_and, 3, ARR(1, 1, 1), true, 1, 0, 0, 0)
INTRINSIC(ssbo_atomic_or, 3, ARR(1, 1, 1), true, 1, 0, 0, 0)
INTRINSIC(ssbo_atomic_xor, 3, ARR(1, 1, 1), true, 1, 0, 0, 0)

20
src/mesa/drivers/dri/i965/brw_fs_nir.cpp
View File

@@ -1834,17 +1834,17 @@ fs_visitor::nir_emit_intrinsic(const fs_builder &bld, nir_intrinsic_instr *instr
case nir_intrinsic_ssbo_atomic_add:
nir_emit_ssbo_atomic(bld, BRW_AOP_ADD, instr);
break;
case nir_intrinsic_ssbo_atomic_min:
if (dest.type == BRW_REGISTER_TYPE_D)
nir_emit_ssbo_atomic(bld, BRW_AOP_IMIN, instr);
else
nir_emit_ssbo_atomic(bld, BRW_AOP_UMIN, instr);
case nir_intrinsic_ssbo_atomic_imin:
nir_emit_ssbo_atomic(bld, BRW_AOP_IMIN, instr);
break;
case nir_intrinsic_ssbo_atomic_max:
if (dest.type == BRW_REGISTER_TYPE_D)
nir_emit_ssbo_atomic(bld, BRW_AOP_IMAX, instr);
else
nir_emit_ssbo_atomic(bld, BRW_AOP_UMAX, instr);
case nir_intrinsic_ssbo_atomic_umin:
nir_emit_ssbo_atomic(bld, BRW_AOP_UMIN, instr);
break;
case nir_intrinsic_ssbo_atomic_imax:
nir_emit_ssbo_atomic(bld, BRW_AOP_IMAX, instr);
break;
case nir_intrinsic_ssbo_atomic_umax:
nir_emit_ssbo_atomic(bld, BRW_AOP_UMAX, instr);
break;
case nir_intrinsic_ssbo_atomic_and:
nir_emit_ssbo_atomic(bld, BRW_AOP_AND, instr);

20
src/mesa/drivers/dri/i965/brw_vec4_nir.cpp
View File

@@ -645,17 +645,17 @@ vec4_visitor::nir_emit_intrinsic(nir_intrinsic_instr *instr)
case nir_intrinsic_ssbo_atomic_add:
nir_emit_ssbo_atomic(BRW_AOP_ADD, instr);
break;
case nir_intrinsic_ssbo_atomic_min:
if (dest.type == BRW_REGISTER_TYPE_D)
nir_emit_ssbo_atomic(BRW_AOP_IMIN, instr);
else
nir_emit_ssbo_atomic(BRW_AOP_UMIN, instr);
case nir_intrinsic_ssbo_atomic_imin:
nir_emit_ssbo_atomic(BRW_AOP_IMIN, instr);
break;
case nir_intrinsic_ssbo_atomic_max:
if (dest.type == BRW_REGISTER_TYPE_D)
nir_emit_ssbo_atomic(BRW_AOP_IMAX, instr);
else
nir_emit_ssbo_atomic(BRW_AOP_UMAX, instr);
case nir_intrinsic_ssbo_atomic_umin:
nir_emit_ssbo_atomic(BRW_AOP_UMIN, instr);
break;
case nir_intrinsic_ssbo_atomic_imax:
nir_emit_ssbo_atomic(BRW_AOP_IMAX, instr);
break;
case nir_intrinsic_ssbo_atomic_umax:
nir_emit_ssbo_atomic(BRW_AOP_UMAX, instr);
break;
case nir_intrinsic_ssbo_atomic_and:
nir_emit_ssbo_atomic(BRW_AOP_AND, instr);