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authormarha <marha@users.sourceforge.net>2010-03-07 16:00:29 +0000
committermarha <marha@users.sourceforge.net>2010-03-07 16:00:29 +0000
commitb40894093babb10f3cd155f11ff2d6c710372395 (patch)
treee6e94e5aa39ca9d5a653af567145e4b5dda25d61 /mesalib/src/mesa/shader/slang/slang_emit.c
parentd27419efcdaaccb40e0f10c549a6b732a2f29e81 (diff)
parent14b1cb8d5a27ec9716d3f790fce95f0469e35605 (diff)
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svn merge ^/branches/released .
Diffstat (limited to 'mesalib/src/mesa/shader/slang/slang_emit.c')
-rw-r--r--mesalib/src/mesa/shader/slang/slang_emit.c124
1 files changed, 99 insertions, 25 deletions
diff --git a/mesalib/src/mesa/shader/slang/slang_emit.c b/mesalib/src/mesa/shader/slang/slang_emit.c
index 3af301eac..c0e4b27aa 100644
--- a/mesalib/src/mesa/shader/slang/slang_emit.c
+++ b/mesalib/src/mesa/shader/slang/slang_emit.c
@@ -195,6 +195,9 @@ alloc_node_storage(slang_emit_info *emitInfo, slang_ir_node *n,
if (!n->Store) {
assert(defaultSize > 0);
n->Store = _slang_new_ir_storage(PROGRAM_TEMPORARY, -1, defaultSize);
+ if (!n->Store) {
+ return GL_FALSE;
+ }
}
/* now allocate actual register(s). I.e. set n->Store->Index >= 0 */
@@ -431,6 +434,9 @@ new_instruction(slang_emit_info *emitInfo, gl_inst_opcode opcode)
_mesa_realloc_instructions(prog->Instructions,
prog->NumInstructions,
emitInfo->MaxInstructions);
+ if (!prog->Instructions) {
+ return NULL;
+ }
}
inst = prog->Instructions + prog->NumInstructions;
@@ -451,12 +457,14 @@ emit_arl_load(slang_emit_info *emitInfo,
gl_register_file file, GLint index, GLuint swizzle)
{
struct prog_instruction *inst = new_instruction(emitInfo, OPCODE_ARL);
- inst->SrcReg[0].File = file;
- inst->SrcReg[0].Index = index;
- inst->SrcReg[0].Swizzle = fix_swizzle(swizzle);
- inst->DstReg.File = PROGRAM_ADDRESS;
- inst->DstReg.Index = 0;
- inst->DstReg.WriteMask = WRITEMASK_X;
+ if (inst) {
+ inst->SrcReg[0].File = file;
+ inst->SrcReg[0].Index = index;
+ inst->SrcReg[0].Swizzle = fix_swizzle(swizzle);
+ inst->DstReg.File = PROGRAM_ADDRESS;
+ inst->DstReg.Index = 0;
+ inst->DstReg.WriteMask = WRITEMASK_X;
+ }
return inst;
}
@@ -765,7 +773,9 @@ static struct prog_instruction *
emit_comment(slang_emit_info *emitInfo, const char *comment)
{
struct prog_instruction *inst = new_instruction(emitInfo, OPCODE_NOP);
- inst_comment(inst, comment);
+ if (inst) {
+ inst_comment(inst, comment);
+ }
return inst;
}
@@ -792,7 +802,9 @@ emit_arith(slang_emit_info *emitInfo, slang_ir_node *n)
emit(emitInfo, n->Children[0]->Children[0]); /* A */
emit(emitInfo, n->Children[0]->Children[1]); /* B */
emit(emitInfo, n->Children[1]); /* C */
- alloc_node_storage(emitInfo, n, -1); /* dest */
+ if (!alloc_node_storage(emitInfo, n, -1)) { /* dest */
+ return NULL;
+ }
inst = emit_instruction(emitInfo,
OPCODE_MAD,
@@ -813,7 +825,9 @@ emit_arith(slang_emit_info *emitInfo, slang_ir_node *n)
emit(emitInfo, n->Children[0]); /* A */
emit(emitInfo, n->Children[1]->Children[0]); /* B */
emit(emitInfo, n->Children[1]->Children[1]); /* C */
- alloc_node_storage(emitInfo, n, -1); /* dest */
+ if (!alloc_node_storage(emitInfo, n, -1)) { /* dest */
+ return NULL;
+ }
inst = emit_instruction(emitInfo,
OPCODE_MAD,
@@ -839,7 +853,9 @@ emit_arith(slang_emit_info *emitInfo, slang_ir_node *n)
}
/* result storage */
- alloc_node_storage(emitInfo, n, -1);
+ if (!alloc_node_storage(emitInfo, n, -1)) {
+ return NULL;
+ }
inst = emit_instruction(emitInfo,
info->InstOpcode,
@@ -1093,7 +1109,9 @@ emit_clamp(slang_emit_info *emitInfo, slang_ir_node *n)
* the intermediate result. Use a temp register instead.
*/
_mesa_bzero(&tmpNode, sizeof(tmpNode));
- alloc_node_storage(emitInfo, &tmpNode, n->Store->Size);
+ if (!alloc_node_storage(emitInfo, &tmpNode, n->Store->Size)) {
+ return NULL;
+ }
/* tmp = max(ch[0], ch[1]) */
inst = emit_instruction(emitInfo, OPCODE_MAX,
@@ -1191,6 +1209,9 @@ emit_fcall(slang_emit_info *emitInfo, slang_ir_node *n)
* really just a NOP to attach the label to.
*/
inst = new_instruction(emitInfo, OPCODE_BGNSUB);
+ if (!inst) {
+ return NULL;
+ }
inst_comment(inst, n->Label->Name);
}
@@ -1202,10 +1223,16 @@ emit_fcall(slang_emit_info *emitInfo, slang_ir_node *n)
inst = prev_instruction(emitInfo);
if (inst && inst->Opcode != OPCODE_RET) {
inst = new_instruction(emitInfo, OPCODE_RET);
+ if (!inst) {
+ return NULL;
+ }
}
if (emitInfo->EmitBeginEndSub) {
inst = new_instruction(emitInfo, OPCODE_ENDSUB);
+ if (!inst) {
+ return NULL;
+ }
inst_comment(inst, n->Label->Name);
}
@@ -1215,6 +1242,9 @@ emit_fcall(slang_emit_info *emitInfo, slang_ir_node *n)
/* emit the function call */
inst = new_instruction(emitInfo, OPCODE_CAL);
+ if (!inst) {
+ return NULL;
+ }
/* The branch target is just the subroutine number (changed later) */
inst->BranchTarget = subroutineId;
inst_comment(inst, n->Label->Name);
@@ -1235,7 +1265,9 @@ emit_return(slang_emit_info *emitInfo, slang_ir_node *n)
assert(n->Opcode == IR_RETURN);
assert(n->Label);
inst = new_instruction(emitInfo, OPCODE_RET);
- inst->DstReg.CondMask = COND_TR; /* always return */
+ if (inst) {
+ inst->DstReg.CondMask = COND_TR; /* always return */
+ }
return inst;
}
@@ -1249,6 +1281,9 @@ emit_kill(slang_emit_info *emitInfo)
* Note that ARB-KILL depends on sign of vector operand.
*/
inst = new_instruction(emitInfo, OPCODE_KIL_NV);
+ if (!inst) {
+ return NULL;
+ }
inst->DstReg.CondMask = COND_TR; /* always kill */
assert(emitInfo->prog->Target == GL_FRAGMENT_PROGRAM_ARB);
@@ -1600,8 +1635,10 @@ emit_if(slang_emit_info *emitInfo, slang_ir_node *n)
if (emitInfo->EmitHighLevelInstructions) {
if (emitInfo->EmitCondCodes) {
/* IF condcode THEN ... */
- struct prog_instruction *ifInst;
- ifInst = new_instruction(emitInfo, OPCODE_IF);
+ struct prog_instruction *ifInst = new_instruction(emitInfo, OPCODE_IF);
+ if (!ifInst) {
+ return NULL;
+ }
ifInst->DstReg.CondMask = COND_NE; /* if cond is non-zero */
/* only test the cond code (1 of 4) that was updated by the
* previous instruction.
@@ -1620,6 +1657,9 @@ emit_if(slang_emit_info *emitInfo, slang_ir_node *n)
else {
/* conditional jump to else, or endif */
struct prog_instruction *ifInst = new_instruction(emitInfo, OPCODE_BRA);
+ if (!ifInst) {
+ return NULL;
+ }
ifInst->DstReg.CondMask = COND_EQ; /* BRA if cond is zero */
inst_comment(ifInst, "if zero");
ifInst->DstReg.CondSwizzle = writemask_to_swizzle(condWritemask);
@@ -1632,12 +1672,17 @@ emit_if(slang_emit_info *emitInfo, slang_ir_node *n)
/* have else body */
elseInstLoc = prog->NumInstructions;
if (emitInfo->EmitHighLevelInstructions) {
- (void) new_instruction(emitInfo, OPCODE_ELSE);
+ struct prog_instruction *inst = new_instruction(emitInfo, OPCODE_ELSE);
+ if (!inst) {
+ return NULL;
+ }
}
else {
/* jump to endif instruction */
- struct prog_instruction *inst;
- inst = new_instruction(emitInfo, OPCODE_BRA);
+ struct prog_instruction *inst = new_instruction(emitInfo, OPCODE_BRA);
+ if (!inst) {
+ return NULL;
+ }
inst_comment(inst, "else");
inst->DstReg.CondMask = COND_TR; /* always branch */
}
@@ -1650,7 +1695,10 @@ emit_if(slang_emit_info *emitInfo, slang_ir_node *n)
}
if (emitInfo->EmitHighLevelInstructions) {
- (void) new_instruction(emitInfo, OPCODE_ENDIF);
+ struct prog_instruction *inst = new_instruction(emitInfo, OPCODE_ENDIF);
+ if (!inst) {
+ return NULL;
+ }
}
if (n->Children[2]) {
@@ -1671,7 +1719,10 @@ emit_loop(slang_emit_info *emitInfo, slang_ir_node *n)
/* emit OPCODE_BGNLOOP */
beginInstLoc = prog->NumInstructions;
if (emitInfo->EmitHighLevelInstructions) {
- (void) new_instruction(emitInfo, OPCODE_BGNLOOP);
+ struct prog_instruction *inst = new_instruction(emitInfo, OPCODE_BGNLOOP);
+ if (!inst) {
+ return NULL;
+ }
}
/* body */
@@ -1689,10 +1740,16 @@ emit_loop(slang_emit_info *emitInfo, slang_ir_node *n)
if (emitInfo->EmitHighLevelInstructions) {
/* emit OPCODE_ENDLOOP */
endInst = new_instruction(emitInfo, OPCODE_ENDLOOP);
+ if (!endInst) {
+ return NULL;
+ }
}
else {
/* emit unconditional BRA-nch */
endInst = new_instruction(emitInfo, OPCODE_BRA);
+ if (!endInst) {
+ return NULL;
+ }
endInst->DstReg.CondMask = COND_TR; /* always true */
}
/* ENDLOOP's BranchTarget points to the BGNLOOP inst */
@@ -1762,7 +1819,9 @@ emit_cont_break(slang_emit_info *emitInfo, slang_ir_node *n)
}
n->InstLocation = emitInfo->prog->NumInstructions;
inst = new_instruction(emitInfo, opcode);
- inst->DstReg.CondMask = COND_TR; /* always true */
+ if (inst) {
+ inst->DstReg.CondMask = COND_TR; /* always true */
+ }
return inst;
}
@@ -1798,8 +1857,10 @@ emit_cont_break_if_true(slang_emit_info *emitInfo, slang_ir_node *n)
*/
const GLuint condWritemask = inst->DstReg.WriteMask;
inst = new_instruction(emitInfo, opcode);
- inst->DstReg.CondMask = COND_NE;
- inst->DstReg.CondSwizzle = writemask_to_swizzle(condWritemask);
+ if (inst) {
+ inst->DstReg.CondMask = COND_NE;
+ inst->DstReg.CondSwizzle = writemask_to_swizzle(condWritemask);
+ }
return inst;
}
else {
@@ -1817,7 +1878,13 @@ emit_cont_break_if_true(slang_emit_info *emitInfo, slang_ir_node *n)
n->InstLocation = emitInfo->prog->NumInstructions;
inst = new_instruction(emitInfo, opcode);
+ if (!inst) {
+ return NULL;
+ }
inst = new_instruction(emitInfo, OPCODE_ENDIF);
+ if (!inst) {
+ return NULL;
+ }
emitInfo->prog->Instructions[ifInstLoc].BranchTarget
= emitInfo->prog->NumInstructions;
@@ -1828,8 +1895,10 @@ emit_cont_break_if_true(slang_emit_info *emitInfo, slang_ir_node *n)
const GLuint condWritemask = inst->DstReg.WriteMask;
assert(emitInfo->EmitCondCodes);
inst = new_instruction(emitInfo, OPCODE_BRA);
- inst->DstReg.CondMask = COND_NE;
- inst->DstReg.CondSwizzle = writemask_to_swizzle(condWritemask);
+ if (inst) {
+ inst->DstReg.CondMask = COND_NE;
+ inst->DstReg.CondSwizzle = writemask_to_swizzle(condWritemask);
+ }
return inst;
}
}
@@ -2201,7 +2270,9 @@ emit(slang_emit_info *emitInfo, slang_ir_node *n)
if (n->Comment) {
inst = new_instruction(emitInfo, OPCODE_NOP);
- inst->Comment = _mesa_strdup(n->Comment);
+ if (inst) {
+ inst->Comment = _mesa_strdup(n->Comment);
+ }
inst = NULL;
}
@@ -2503,6 +2574,9 @@ _slang_emit_code(slang_ir_node *n, slang_var_table *vt,
if (withEnd) {
struct prog_instruction *inst;
inst = new_instruction(&emitInfo, OPCODE_END);
+ if (!inst) {
+ return GL_FALSE;
+ }
}
_slang_resolve_subroutines(&emitInfo);