Module: Mesa
Branch: 13.0
Commit: 8f807e914f8c7f30f8d57e1829d4cb0bd8836a21
URL:
http://cgit.freedesktop.org/mesa/mesa/commit/?id=8f807e914f8c7f30f8d57e1829d4cb0bd8836a21
Author: Nicolai Hähnle <nicolai.haeh...@amd.com>
Date: Sun Oct 16 17:34:33 2016 +0200
st/glsl_to_tgsi: fix block copies of arrays of structs
Use a full writemask in this case. This is relevant e.g. when a function
has an inout argument which is an array of structs.
v2: use C-style comment (Timothy Arceri)
Reviewed-by: Marek Olšák <marek.ol...@amd.com> (v1)
Cc: 13.0 <mesa-sta...@lists.freedesktop.org>
(cherry picked from commit a1895685f8f341e7facf3c5705bdee99860e3082)
---
src/mesa/state_tracker/st_glsl_to_tgsi.cpp | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
b/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
index 562587e..854decc 100644
--- a/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
+++ b/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
@@ -2941,10 +2941,12 @@ glsl_to_tgsi_visitor::visit(ir_assignment *ir)
} else if (ir->write_mask == 0) {
assert(!ir->lhs->type->is_scalar() && !ir->lhs->type->is_vector());
- if (ir->lhs->type->is_array() || ir->lhs->type->is_matrix()) {
- unsigned num_elements =
ir->lhs->type->without_array()->vector_elements;
+ unsigned num_elements =
ir->lhs->type->without_array()->vector_elements;
+
+ if (num_elements) {
l.writemask = u_bit_consecutive(0, num_elements);
} else {
+ /* The type is a struct or an array of (array of) structs. */
l.writemask = WRITEMASK_XYZW;
}
} else {
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