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-rw-r--r--src/mesa/drivers/dri/i965/brw_fs_visitor.cpp6
1 files changed, 5 insertions, 1 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_fs_visitor.cpp b/src/mesa/drivers/dri/i965/brw_fs_visitor.cpp
index ead77686640..314136c7819 100644
--- a/src/mesa/drivers/dri/i965/brw_fs_visitor.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs_visitor.cpp
@@ -3711,7 +3711,11 @@ fs_visitor::emit_single_fb_write(fs_reg color0, fs_reg color1,
if (prog->OutputsWritten & BITFIELD64_BIT(FRAG_RESULT_DEPTH)) {
/* Hand over gl_FragDepth. */
assert(this->frag_depth.file != BAD_FILE);
- sources[length] = this->frag_depth;
+ if (exec_size < dispatch_width) {
+ sources[length] = half(this->frag_depth, use_2nd_half);
+ } else {
+ sources[length] = this->frag_depth;
+ }
} else {
/* Pass through the payload depth. */
sources[length] = fs_reg(brw_vec8_grf(payload.source_depth_reg, 0));