Module: Mesa
Branch: main
Commit: a0f6fecc6afeccc8e149ab31769df8b5225faa16
URL:    
http://cgit.freedesktop.org/mesa/mesa/commit/?id=a0f6fecc6afeccc8e149ab31769df8b5225faa16

Author: Mike Blumenkrantz <[email protected]>
Date:   Thu Apr  7 10:14:10 2022 -0400

zink: flag all assigned output slots as mapped

this ensures types which consume more than 1 slot are effectively tagged
so that the next stage inputs are also assigned properly

fixes:
spec@arb_enhanced_layouts@execution@component-layout@vs-fs-array-dvec3

cc: mesa-stable

Reviewed-by: Timur Kristóf <[email protected]>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/18444>

---

 src/gallium/drivers/zink/ci/zink-lvp-fails.txt  |  1 -
 src/gallium/drivers/zink/ci/zink-radv-fails.txt |  1 -
 src/gallium/drivers/zink/zink_compiler.c        | 11 +++++++----
 3 files changed, 7 insertions(+), 6 deletions(-)

diff --git a/src/gallium/drivers/zink/ci/zink-lvp-fails.txt 
b/src/gallium/drivers/zink/ci/zink-lvp-fails.txt
index b89c86d2e0c..30e473e51d3 100644
--- a/src/gallium/drivers/zink/ci/zink-lvp-fails.txt
+++ b/src/gallium/drivers/zink/ci/zink-lvp-fails.txt
@@ -216,7 +216,6 @@ spec@!opengl 1.0@rasterpos@glsl_vs_tes_linked,Fail
 
spec@arb_arrays_of_arrays@execution@image_store@basic-imagestore-mixed-const-non-const-uniform-index,Fail
 
spec@arb_arrays_of_arrays@execution@image_store@basic-imagestore-mixed-const-non-const-uniform-index2,Fail
 
spec@arb_arrays_of_arrays@execution@image_store@basic-imagestore-non-const-uniform-index,Fail
-spec@arb_enhanced_layouts@execution@component-layout@vs-fs-array-dvec3,Fail
 spec@arb_fragment_program_shadow@tex-shadow1d,Fail
 spec@arb_fragment_program_shadow@tex-shadow2d,Fail
 spec@arb_fragment_program_shadow@tex-shadow2drect,Fail
diff --git a/src/gallium/drivers/zink/ci/zink-radv-fails.txt 
b/src/gallium/drivers/zink/ci/zink-radv-fails.txt
index 08813fe5498..c8d70faf609 100644
--- a/src/gallium/drivers/zink/ci/zink-radv-fails.txt
+++ b/src/gallium/drivers/zink/ci/zink-radv-fails.txt
@@ -55,7 +55,6 @@ 
spec@arb_arrays_of_arrays@execution@image_store@basic-imagestore-mixed-const-non
 
spec@arb_arrays_of_arrays@execution@image_store@basic-imagestore-non-const-uniform-index,Fail
 
spec@arb_bindless_texture@compiler@[email protected],Crash
 spec@arb_depth_texture@depth-tex-modes,Fail
-spec@arb_enhanced_layouts@execution@component-layout@vs-fs-array-dvec3,Fail
 spec@arb_fragment_program_shadow@tex-shadow1d,Fail
 spec@arb_fragment_program_shadow@tex-shadow2d,Fail
 spec@arb_fragment_program_shadow@tex-shadow2drect,Fail
diff --git a/src/gallium/drivers/zink/zink_compiler.c 
b/src/gallium/drivers/zink/zink_compiler.c
index d8f772c3129..335eaaee328 100644
--- a/src/gallium/drivers/zink/zink_compiler.c
+++ b/src/gallium/drivers/zink/zink_compiler.c
@@ -1396,11 +1396,14 @@ assign_producer_var_io(gl_shader_stage stage, 
nir_variable *var, unsigned *reser
       }
       if (slot_map[slot] == 0xff) {
          assert(*reserved < MAX_VARYING);
-         slot_map[slot] = *reserved;
-         if (stage == MESA_SHADER_TESS_EVAL && var->data.mode == 
nir_var_shader_in && !var->data.patch)
-            *reserved += 
glsl_count_vec4_slots(glsl_get_array_element(var->type), false, false);
+         unsigned num_slots;
+         if (nir_is_arrayed_io(var, stage))
+            num_slots = 
glsl_count_vec4_slots(glsl_get_array_element(var->type), false, false);
          else
-            *reserved += glsl_count_vec4_slots(var->type, false, false);
+            num_slots = glsl_count_vec4_slots(var->type, false, false);
+         assert(*reserved + num_slots <= MAX_VARYING);
+         for (unsigned i = 0; i < num_slots; i++)
+            slot_map[slot + i] = (*reserved)++;
       }
       slot = slot_map[slot];
       assert(slot < MAX_VARYING);

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