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NV fp parser: Parse TXD instruction

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This commit is contained in:
Ian Romanick 2009-09-01 14:16:03 -07:00
parent ede0cd4d8c
commit 8ca6fd8a83
2 changed files with 1140 additions and 1041 deletions
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2133
src/mesa/shader/program_parse.tab.c
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48
src/mesa/shader/program_parse.y
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@ -177,7 +177,7 @@ static struct asm_instruction *asm_instruction_ctor(gl_inst_opcode op,
%type <inst> instruction ALU_instruction TexInstruction
%type <inst> ARL_instruction VECTORop_instruction
%type <inst> SCALARop_instruction BINSCop_instruction BINop_instruction
%type <inst> TRIop_instruction SWZ_instruction SAMPLE_instruction
%type <inst> TRIop_instruction TXD_instruction SWZ_instruction SAMPLE_instruction
%type <inst> KIL_instruction
%type <dst_reg> dstReg maskedDstReg maskedAddrReg
@ -347,6 +347,7 @@ ALU_instruction: ARL_instruction
TexInstruction: SAMPLE_instruction
| KIL_instruction
| TXD_instruction
;
ARL_instruction: ARL maskedAddrReg ',' scalarSrcReg
@ -444,6 +445,51 @@ KIL_instruction: KIL swizzleSrcReg
}
;
TXD_instruction: TXD_OP maskedDstReg ',' swizzleSrcReg ',' swizzleSrcReg ',' swizzleSrcReg ',' texImageUnit ',' texTarget
{
$$ = asm_instruction_ctor($1.Opcode, & $2, & $4, & $6, & $8);
if ($$ != NULL) {
const GLbitfield tex_mask = (1U << $10);
GLbitfield shadow_tex = 0;
GLbitfield target_mask = 0;
$$->Base.SaturateMode = $1.SaturateMode;
$$->Base.TexSrcUnit = $10;
if ($12 < 0) {
shadow_tex = tex_mask;
$$->Base.TexSrcTarget = -$12;
$$->Base.TexShadow = 1;
} else {
$$->Base.TexSrcTarget = $12;
}
target_mask = (1U << $$->Base.TexSrcTarget);
/* If this texture unit was previously accessed and that access
* had a different texture target, generate an error.
*
* If this texture unit was previously accessed and that access
* had a different shadow mode, generate an error.
*/
if ((state->prog->TexturesUsed[$10] != 0)
&& ((state->prog->TexturesUsed[$10] != target_mask)
|| ((state->prog->ShadowSamplers & tex_mask)
!= shadow_tex))) {
yyerror(& @12, state,
"multiple targets used on one texture image unit");
YYERROR;
}
state->prog->TexturesUsed[$10] |= target_mask;
state->prog->ShadowSamplers |= shadow_tex;
}
}
;
texImageUnit: TEXTURE_UNIT optTexImageUnitNum
{
$$ = $2;