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nir: Switch to using 1-bit Booleans for almost everything

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This is a squash of a few distinct changes:

    glsl,spirv: Generate 1-bit Booleans

    Revert "Use 32-bit opcodes in the NIR producers and optimizations"

    Revert "nir/builder: Generate 32-bit bool opcodes transparently"

    nir/builder: Generate 1-bit Booleans in nir_build_imm_bool

Reviewed-by: Eric Anholt <eric@anholt.net>
Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
Tested-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
This commit is contained in:
Jason Ekstrand
2018-10-19 11:14:47 -05:00
committed by Jason Ekstrand
parent 11dc130779
commit 44227453ec
13 changed files with 96 additions and 111 deletions
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26
src/compiler/nir/nir.h
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@@ -828,7 +828,7 @@ nir_get_nir_type_for_glsl_base_type(enum glsl_base_type base_type)
{
switch (base_type) {
case GLSL_TYPE_BOOL:
return nir_type_bool32;
return nir_type_bool1;
break;
case GLSL_TYPE_UINT:
return nir_type_uint32;
@@ -1568,18 +1568,18 @@ static inline bool
nir_alu_instr_is_comparison(const nir_alu_instr *instr)
{
switch (instr->op) {
case nir_op_flt32:
case nir_op_fge32:
case nir_op_feq32:
case nir_op_fne32:
case nir_op_ilt32:
case nir_op_ult32:
case nir_op_ige32:
case nir_op_uge32:
case nir_op_ieq32:
case nir_op_ine32:
case nir_op_i2b32:
case nir_op_f2b32:
case nir_op_flt:
case nir_op_fge:
case nir_op_feq:
case nir_op_fne:
case nir_op_ilt:
case nir_op_ult:
case nir_op_ige:
case nir_op_uge:
case nir_op_ieq:
case nir_op_ine:
case nir_op_i2b1:
case nir_op_f2b1:
case nir_op_inot:
case nir_op_fnot:
return true;