Mesa (master): glsl: fix evaluating float16 constant expression matrices

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Module: Mesa
Branch: master
Commit: 82caff5bc3612bb7f8498f8c194256276d9bfe7c
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=82caff5bc3612bb7f8498f8c194256276d9bfe7c

Author: Marek Olšák <marek.olsak at amd.com>
Date:   Sat Jul  4 17:43:50 2020 -0400

glsl: fix evaluating float16 constant expression matrices

Reviewed-by: Alyssa Rosenzweig <alyssa.rosenzweig at collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5746>

---

 src/compiler/glsl/ir_constant_expression.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/compiler/glsl/ir_constant_expression.cpp b/src/compiler/glsl/ir_constant_expression.cpp
index 595cc821797..855b7884fb7 100644
--- a/src/compiler/glsl/ir_constant_expression.cpp
+++ b/src/compiler/glsl/ir_constant_expression.cpp
@@ -935,6 +935,12 @@ ir_dereference_array::constant_expression_value(void *mem_ctx,
          ir_constant_data data = { { 0 } };
 
          switch (column_type->base_type) {
+         case GLSL_TYPE_FLOAT16:
+            for (unsigned i = 0; i < column_type->vector_elements; i++)
+               data.f16[i] = array->value.f16[mat_idx + i];
+
+            break;
+
          case GLSL_TYPE_FLOAT:
             for (unsigned i = 0; i < column_type->vector_elements; i++)
                data.f[i] = array->value.f[mat_idx + i];