[Mesa-dev] [PATCH v2 23/30] i965/fs: fix number of output components for doubles

[Samuel Iglesias Gonsálvez]

From: Iago Toral Quiroga <itoral at igalia.com>

---
 src/mesa/drivers/dri/i965/brw_fs_nir.cpp | 13 +++++++++----
 1 file changed, 9 insertions(+), 4 deletions(-)

diff --git a/src/mesa/drivers/dri/i965/brw_fs_nir.cpp b/src/mesa/drivers/dri/i965/brw_fs_nir.cpp
index 419f940..cf5cdab 100644
--- a/src/mesa/drivers/dri/i965/brw_fs_nir.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs_nir.cpp
@@ -103,10 +103,15 @@ fs_visitor::nir_setup_single_output_varying(fs_reg *reg,
       }
    } else {
       assert(type->is_scalar() || type->is_vector());
-      this->outputs[*location] = *reg;
-      this->output_components[*location] = type->vector_elements;
-      *reg = offset(*reg, bld, 4);
-      (*location)++;
+      unsigned num_elements = type->vector_elements;
+      if (type->is_double())
+         num_elements *= 2;
+      for (unsigned count = 0; count < num_elements; count += 4) {
+         this->outputs[*location] = *reg;
+         this->output_components[*location] = MIN2(4, num_elements - count);
+         *reg = offset(*reg, bld, 4);
+         (*location)++;
+      }
    }
 }
 
-- 
2.5.0