Add support for OpenCL global memory buffers, note this has only
been tested with regular load and stores and likely needs more work
for e.g. atomic ops.
Signed-off-by: Hans de Goede <hdego...@redhat.com>
---
Changes in v2:
-Redo on top of new "Use FILE_MEMORY_BUFFER for buffers" patch
---
src/gallium/drivers/nouveau/codegen/nv50_ir_from_tgsi.cpp | 12 ++++++++++--
1 file changed, 10 insertions(+), 2 deletions(-)
diff --git a/src/gallium/drivers/nouveau/codegen/nv50_ir_from_tgsi.cpp
b/src/gallium/drivers/nouveau/codegen/nv50_ir_from_tgsi.cpp
index 7ae0cb2..a7a1d54 100644
--- a/src/gallium/drivers/nouveau/codegen/nv50_ir_from_tgsi.cpp
+++ b/src/gallium/drivers/nouveau/codegen/nv50_ir_from_tgsi.cpp
@@ -1286,7 +1286,9 @@ bool Source::scanInstruction(const struct
tgsi_full_instruction *inst)
if (dst.isIndirect(0))
indirectTempArrays.insert(dst.getArrayId());
} else
- if (dst.getFile() == TGSI_FILE_BUFFER) {
+ if (dst.getFile() == TGSI_FILE_BUFFER ||
+ (dst.getFile() == TGSI_FILE_MEMORY &&
+ memoryFiles[dst.getIndex(0)].mem_type == TGSI_MEMORY_TYPE_GLOBAL)) {
info->io.globalAccess |= 0x2;
}
}
@@ -1297,7 +1299,9 @@ bool Source::scanInstruction(const struct
tgsi_full_instruction *inst)
if (src.isIndirect(0))
indirectTempArrays.insert(src.getArrayId());
} else
- if (src.getFile() == TGSI_FILE_BUFFER) {
+ if (src.getFile() == TGSI_FILE_BUFFER ||
+ (src.getFile() == TGSI_FILE_MEMORY &&
+ memoryFiles[src.getIndex(0)].mem_type == TGSI_MEMORY_TYPE_GLOBAL)) {
info->io.globalAccess |= (insn.getOpcode() == TGSI_OPCODE_LOAD) ?
0x1 : 0x2;
} else
@@ -1531,6 +1535,10 @@ Converter::makeSym(uint tgsiFile, int fileIdx, int idx,
int c, uint32_t address)
if (tgsiFile == TGSI_FILE_MEMORY) {
switch (code->memoryFiles[fileIdx].mem_type) {
+ case TGSI_MEMORY_TYPE_GLOBAL:
+ /* No-op this is the default for TGSI_FILE_MEMORY */
+ sym->setFile(FILE_MEMORY_GLOBAL);
+ break;
case TGSI_MEMORY_TYPE_SHARED:
sym->setFile(FILE_MEMORY_SHARED);
break;
--
2.7.3
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