Previously, fs_inst::regs_read() fell back to depending on the register
width for the second source. This isn't really correct since it isn't a
SIMD8 value at all, but a SIMD4x2 value. This commit changes it to
explicitly be always one register.
Reviewed-by: Iago Toral Quiroga <ito...@igalia.com>
v2: Use mlen for determining the number of registers written
---
src/mesa/drivers/dri/i965/brw_fs.cpp | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/src/mesa/drivers/dri/i965/brw_fs.cpp
b/src/mesa/drivers/dri/i965/brw_fs.cpp
index 17a940b..6d25ba4 100644
--- a/src/mesa/drivers/dri/i965/brw_fs.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs.cpp
@@ -758,6 +758,12 @@ fs_inst::regs_read(int arg) const
return mlen;
break;
+ case FS_OPCODE_UNIFORM_PULL_CONSTANT_LOAD_GEN7:
+ /* The payload is actually storred in src1 */
+ if (arg == 1)
+ return mlen;
+ break;
+
case FS_OPCODE_LINTERP:
if (arg == 0)
return exec_size / 4;
--
2.4.3
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