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-rw-r--r--src/mesa/shader/slang/slang_emit.c23
1 files changed, 19 insertions, 4 deletions
diff --git a/src/mesa/shader/slang/slang_emit.c b/src/mesa/shader/slang/slang_emit.c
index 0fd99b85d2..c2f2e85ff1 100644
--- a/src/mesa/shader/slang/slang_emit.c
+++ b/src/mesa/shader/slang/slang_emit.c
@@ -151,6 +151,8 @@ alloc_temp_storage(slang_emit_info *emitInfo, slang_ir_node *n, GLint size)
if (!_slang_alloc_temp(emitInfo->vt, n->Store)) {
slang_info_log_error(emitInfo->log,
"Ran out of registers, too many temporaries");
+ _mesa_free(n->Store);
+ n->Store = NULL;
return GL_FALSE;
}
return GL_TRUE;
@@ -895,7 +897,11 @@ emit_tex(slang_emit_info *emitInfo, slang_ir_node *n)
/* Child[0] is the sampler (a uniform which'll indicate the texture unit) */
assert(n->Children[0]->Store);
+ /* Store->Index is the sampler index */
+ assert(n->Children[0]->Store->Index >= 0);
+ /* Store->Size is the texture target */
assert(n->Children[0]->Store->Size >= TEXTURE_1D_INDEX);
+ assert(n->Children[0]->Store->Size <= TEXTURE_RECT_INDEX);
inst->Sampler = n->Children[0]->Store->Index; /* i.e. uniform's index */
inst->TexSrcTarget = n->Children[0]->Store->Size;
@@ -913,17 +919,26 @@ emit_move(slang_emit_info *emitInfo, slang_ir_node *n)
/* lhs */
emit(emitInfo, n->Children[0]);
+ if (!n->Children[0]->Store || n->Children[0]->Store->Index < 0) {
+ /* an error should have been already recorded */
+ return NULL;
+ }
/* rhs */
assert(n->Children[1]);
inst = emit(emitInfo, n->Children[1]);
- if (!n->Children[1]->Store) {
- slang_info_log_error(emitInfo->log, "invalid assignment");
+ if (!n->Children[1]->Store || n->Children[1]->Store->Index < 0) {
+ if (!emitInfo->log->text) {
+ slang_info_log_error(emitInfo->log, "invalid assignment");
+ }
return NULL;
}
+
assert(n->Children[1]->Store->Index >= 0);
+ /*assert(n->Children[0]->Store->Size == n->Children[1]->Store->Size);*/
+
n->Store = n->Children[0]->Store;
#if PEEPHOLE_OPTIMIZATIONS
@@ -1567,9 +1582,9 @@ emit(slang_emit_info *emitInfo, slang_ir_node *n)
}
if (n->Store->Index < 0) {
- printf("#### VAR %s not allocated!\n", (char*)n->Var->a_name);
+ /* probably ran out of registers */
+ return NULL;
}
- assert(n->Store->Index >= 0);
assert(n->Store->Size > 0);
break;