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-rw-r--r--src/mesa/drivers/dri/i965/brw_fs.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_fs.cpp b/src/mesa/drivers/dri/i965/brw_fs.cpp
index 9b3186bd3f8..42a0d78e542 100644
--- a/src/mesa/drivers/dri/i965/brw_fs.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs.cpp
@@ -1050,7 +1050,7 @@ fs_visitor::implied_mrf_writes(fs_inst *inst)
case FS_OPCODE_VARYING_PULL_CONSTANT_LOAD:
return inst->mlen;
case SHADER_OPCODE_GEN4_SCRATCH_WRITE:
- return 2;
+ return inst->mlen;
case SHADER_OPCODE_UNTYPED_ATOMIC:
case SHADER_OPCODE_UNTYPED_SURFACE_READ:
case SHADER_OPCODE_UNTYPED_SURFACE_WRITE: