[Mesa-dev] [PATCH 02/19] panfrost/midgard: Pipe through varying arrays

Alyssa Rosenzweig alyssa at rosenzweig.io
Mon Apr 22 05:04:09 UTC 2019


Varying arrays sometimes are lowered to a series of directly accessed
varyings (which we handled okay), but when indirectly accessed, they
appear as a single array; we need to handle this as well.

Signed-off-by: Alyssa Rosenzweig <alyssa at rosenzweig.io>
---
 src/gallium/drivers/panfrost/midgard/midgard_compile.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/gallium/drivers/panfrost/midgard/midgard_compile.c b/src/gallium/drivers/panfrost/midgard/midgard_compile.c
index 67c1d59d85a..ce758f5555b 100644
--- a/src/gallium/drivers/panfrost/midgard/midgard_compile.c
+++ b/src/gallium/drivers/panfrost/midgard/midgard_compile.c
@@ -3417,7 +3417,11 @@ midgard_compile_shader_nir(nir_shader *nir, midgard_program *program, bool is_bl
 
         nir_foreach_variable(var, varyings) {
                 unsigned loc = var->data.driver_location;
-                program->varyings[loc] = var->data.location;
+                unsigned sz = glsl_type_size(var->type, FALSE);
+
+                for (int c = 0; c < sz; ++c) {
+                        program->varyings[loc + c] = var->data.location;
+                }
         }
 
         /* Lower gl_Position pre-optimisation */
-- 
2.20.1



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