NV fp parser: Add support for absolute value operator on instruction operands
diff --git a/src/mesa/shader/program_parse.y b/src/mesa/shader/program_parse.y
index fa94f76..32aa9d5 100644
--- a/src/mesa/shader/program_parse.y
+++ b/src/mesa/shader/program_parse.y
@@ -181,7 +181,7 @@
%type <inst> KIL_instruction
%type <dst_reg> dstReg maskedDstReg maskedAddrReg
-%type <src_reg> srcReg scalarSrcReg swizzleSrcReg
+%type <src_reg> srcReg scalarUse scalarSrcReg swizzleSrcReg
%type <swiz_mask> scalarSuffix swizzleSuffix extendedSwizzle
%type <ext_swizzle> extSwizComp extSwizSel
%type <swiz_mask> optionalMask
@@ -523,29 +523,50 @@
}
;
-scalarSrcReg: optionalSign srcReg scalarSuffix
+scalarSrcReg: optionalSign scalarUse
{
$$ = $2;
if ($1) {
$$.Base.Negate = ~$$.Base.Negate;
}
+ }
+ | optionalSign '|' scalarUse '|'
+ {
+ $$ = $3;
+
+ if (!state->option.NV_fragment) {
+ yyerror(& @2, state, "unexpected character '|'");
+ YYERROR;
+ }
+
+ if ($1) {
+ $$.Base.Negate = ~$$.Base.Negate;
+ }
+
+ $$.Base.Abs = 1;
+ }
+ ;
+
+scalarUse: srcReg scalarSuffix
+ {
+ $$ = $1;
$$.Base.Swizzle = _mesa_combine_swizzles($$.Base.Swizzle,
- $3.swizzle);
+ $2.swizzle);
}
- | optionalSign paramConstScalarUse
+ | paramConstScalarUse
{
struct asm_symbol temp_sym;
if (!state->option.NV_fragment) {
- yyerror(& @2, state, "expected scalar suffix");
+ yyerror(& @1, state, "expected scalar suffix");
YYERROR;
}
memset(& temp_sym, 0, sizeof(temp_sym));
temp_sym.param_binding_begin = ~0;
- initialize_symbol_from_const(state->prog, & temp_sym, & $2);
+ initialize_symbol_from_const(state->prog, & temp_sym, & $1);
init_src_reg(& $$);
$$.Base.File = PROGRAM_CONSTANT;
@@ -564,6 +585,24 @@
$$.Base.Swizzle = _mesa_combine_swizzles($$.Base.Swizzle,
$3.swizzle);
}
+ | optionalSign '|' srcReg swizzleSuffix '|'
+ {
+ $$ = $3;
+
+ if (!state->option.NV_fragment) {
+ yyerror(& @2, state, "unexpected character '|'");
+ YYERROR;
+ }
+
+ if ($1) {
+ $$.Base.Negate = ~$$.Base.Negate;
+ }
+
+ $$.Base.Abs = 1;
+ $$.Base.Swizzle = _mesa_combine_swizzles($$.Base.Swizzle,
+ $4.swizzle);
+ }
+
;
maskedDstReg: dstReg optionalMask