Mesa (staging/19.3): nv50/ir: mark STORE destination inputs as used
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Thu Oct 31 22:15:29 UTC 2019
Module: Mesa
Branch: staging/19.3
Commit: 2b1b7afb5c2d145166908cae77df6178426bb31f
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=2b1b7afb5c2d145166908cae77df6178426bb31f
Author: Ilia Mirkin <imirkin at alum.mit.edu>
Date: Mon Oct 14 02:40:11 2019 -0400
nv50/ir: mark STORE destination inputs as used
Observed an issue when looking at the code generatedy by the
image-vertex-attrib-input-output piglit test. Even though the test
itself worked fine (due to TIC 0 being used for the image), this needs
to be fixed.
Signed-off-by: Ilia Mirkin <imirkin at alum.mit.edu>
Cc: mesa-stable at lists.freedesktop.org
(cherry picked from commit 1b9d1e13d8e14c348f6d6c8fab5f31e8768a1371)
---
src/gallium/drivers/nouveau/codegen/nv50_ir_from_tgsi.cpp | 6 ++++++
1 file changed, 6 insertions(+)
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 d62d36008e6..8c429026452 100644
--- a/src/gallium/drivers/nouveau/codegen/nv50_ir_from_tgsi.cpp
+++ b/src/gallium/drivers/nouveau/codegen/nv50_ir_from_tgsi.cpp
@@ -1591,6 +1591,12 @@ bool Source::scanInstruction(const struct tgsi_full_instruction *inst)
if (insn.getOpcode() == TGSI_OPCODE_STORE &&
dst.getFile() != TGSI_FILE_MEMORY) {
info->io.globalAccess |= 0x2;
+
+ if (dst.getFile() == TGSI_FILE_INPUT) {
+ // TODO: Handle indirect somehow?
+ const int i = dst.getIndex(0);
+ info->in[i].mask |= 1;
+ }
}
if (dst.getFile() == TGSI_FILE_OUTPUT) {
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