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-rw-r--r--src/mesa/shader/slang/slang_emit.c101
1 files changed, 81 insertions, 20 deletions
diff --git a/src/mesa/shader/slang/slang_emit.c b/src/mesa/shader/slang/slang_emit.c
index 3af301eacdf..d4a61dcd490 100644
--- a/src/mesa/shader/slang/slang_emit.c
+++ b/src/mesa/shader/slang/slang_emit.c
@@ -431,6 +431,9 @@ 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 +454,14 @@ 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 +770,9 @@ 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;
}
@@ -1191,6 +1198,9 @@ 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 +1212,16 @@ 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 +1231,9 @@ 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);
@@ -1249,6 +1268,9 @@ 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 +1622,10 @@ 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 +1644,9 @@ 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 +1659,17 @@ 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 +1682,10 @@ 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 +1706,10 @@ 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 +1727,16 @@ 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 +1806,9 @@ 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 +1844,10 @@ 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 +1865,13 @@ 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 +1882,10 @@ 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 +2257,9 @@ 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 +2561,9 @@ _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);
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-22 23:56:38 +0000