aaron/ispc
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

patched examples to work with uniform for nvptx. function calls with non-generic pointers fail. need fix

Browse Source
This commit is contained in:
Evghenii
2014-01-08 14:25:21 +01:00
parent f98a8cc22f
commit d3dc5e0df1
5 changed files with 28 additions and 12 deletions
Download Patch File Download Diff File Expand all files Collapse all files

14
stmt.cpp
View File

@@ -263,13 +263,14 @@ DeclStmt::EmitCode(FunctionEmitContext *ctx) const {
g->target->getISA() == Target::NVPTX)
{
/* deal with "const uniform" or "uniform" arrays for nvptx target */
PerformanceWarning(sym->pos,
"\"uniform\" arrays might be slow with \"nvptx\" target. "
"Unless data sharing between program instances is required, use \"varying\" if possible.");
if (!sym->type->IsConstType())
PerformanceWarning(sym->pos,
"\"uniform\" arrays might be slow with \"nvptx\" target. "
"Unless data sharing between program instances is required, use \"varying\" if possible.");
if (initExpr != NULL && !sym->type->IsConstType())
Error(initExpr->pos,
"It is not possible to initialize non-constant \"uniform\" array \"%s\" with \"nvptx\" target. "
"Please use \"varying\" or \"const static uniform\".",
"Please use \"varying\", \"const static uniform\" or define initializer in the global scope.",
sym->name.c_str());
llvm::Constant *cinit = NULL;
@@ -277,7 +278,11 @@ DeclStmt::EmitCode(FunctionEmitContext *ctx) const {
int addressSpace;
if (sym->type->IsConstType())
{
#if 0 /* current, addressSpace = 4 generates a compilation fails as it can't be passed as a function arg:S */
addressSpace = 4; /* constant */
#else
addressSpace = 0; /* use global for now */
#endif
if (initExpr != NULL) {
if (PossiblyResolveFunctionOverloads(initExpr, sym->type) == false)
continue;
@@ -309,6 +314,7 @@ DeclStmt::EmitCode(FunctionEmitContext *ctx) const {
}
else
{
/* fails if pointer passed to function argument, need conversion beforehand */
addressSpace = 3; /* local */
const ArrayType *at = CastType<ArrayType>(sym->type);
const int nel = at->GetElementCount();