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Mark unused registers as undefined so dissassemblers can recognized

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them easily.
This commit is contained in:
Keith Whitwell 2005-05-04 11:20:59 +00:00
parent d8f9599403
commit 209b090241
1 changed files with 10 additions and 0 deletions
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10
src/mesa/shader/arbprogparse.c
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@ -2764,6 +2764,11 @@ parse_fp_instruction (GLcontext * ctx, GLubyte ** inst,
fp->Data = NULL;
fp->DstReg.File = 0xf; /* mark as undef */
fp->SrcReg[0].File = 0xf; /* mark as undef */
fp->SrcReg[1].File = 0xf; /* mark as undef */
fp->SrcReg[2].File = 0xf; /* mark as undef */
/* OP_ALU_INST or OP_TEX_INST */
instClass = *(*inst)++;
@ -3825,6 +3830,11 @@ parse_arb_program (GLcontext * ctx, GLubyte * inst, struct var_cache **vc_head,
(Program->Base.NumInstructions+1)*sizeof(struct fp_instruction));
Program->FPInstructions[Program->Base.NumInstructions].Opcode = FP_OPCODE_END;
Program->FPInstructions[Program->Base.NumInstructions].Saturate = 0;
Program->FPInstructions[Program->Base.NumInstructions].DstReg.File = 0xf;
Program->FPInstructions[Program->Base.NumInstructions].SrcReg[0].File = 0xf;
Program->FPInstructions[Program->Base.NumInstructions].SrcReg[1].File = 0xf;
Program->FPInstructions[Program->Base.NumInstructions].SrcReg[2].File = 0xf;
/* YYY Wrong Position in program, whatever, at least not random -> crash
Program->Position = parse_position (&inst);
*/