Conor McCarthy : vkd3d-shader/dxil: Handle multi-row signature elements.

[Alexandre Julliard]

Module: vkd3d
Branch: master
Commit: e0d0a04b7989369dbac701df8ddaafa4866bcc0e
URL:    https://gitlab.winehq.org/wine/vkd3d/-/commit/e0d0a04b7989369dbac701df8ddaaf...

Author: Conor McCarthy 
Date:   Tue Oct  3 11:59:09 2023 +1000

vkd3d-shader/dxil: Handle multi-row signature elements.

---

libs/vkd3d-shader/dxil.c                     | 15 ++++++++++++---
 tests/hlsl/entry-point-semantics.shader_test | 17 +++++++++++++----
 2 files changed, 25 insertions(+), 7 deletions(-)

diff --git a/libs/vkd3d-shader/dxil.c b/libs/vkd3d-shader/dxil.c
index 7e3a1257..47b26194 100644
--- a/libs/vkd3d-shader/dxil.c
+++ b/libs/vkd3d-shader/dxil.c
@@ -2384,7 +2384,7 @@ static void sm6_parser_init_signature(struct sm6_parser *sm6, const struct shade
 {
     struct vkd3d_shader_dst_param *param;
     const struct signature_element *e;
-    unsigned int i;
+    unsigned int i, count;

for (i = 0; i < s->element_count; ++i)
     {
@@ -2392,8 +2392,11 @@ static void sm6_parser_init_signature(struct sm6_parser *sm6, const struct shade

param = &params[i];
         dst_param_io_init(param, e, reg_type);
-        param->reg.idx[0].offset = i;
-        param->reg.idx_count = 1;
+        count = 0;
+        if (e->register_count > 1)
+            param->reg.idx[count++].offset = 0;
+        param->reg.idx[count++].offset = i;
+        param->reg.idx_count = count;
     }
 }

@@ -2427,6 +2430,12 @@ static void sm6_parser_emit_signature(struct sm6_parser *sm6, const struct shade

ins->flags = e->interpolation_mode;
         *param = params[i];
+
+        if (e->register_count > 1)
+        {
+            param->reg.idx[0].rel_addr = NULL;
+            param->reg.idx[0].offset = e->register_count;
+        }
     }
 }

diff --git a/tests/hlsl/entry-point-semantics.shader_test b/tests/hlsl/entry-point-semantics.shader_test
index 6d355ab5..d177b037 100644
--- a/tests/hlsl/entry-point-semantics.shader_test
+++ b/tests/hlsl/entry-point-semantics.shader_test
@@ -84,7 +84,7 @@ float4 main(in apple a) : sv_target

[test]
 draw quad
-todo(sm>=6) probe (0, 0) rgba (10.0, 20.0, 30.0, 40.0)
+probe (0, 0) rgba (10.0, 20.0, 30.0, 40.0)

% Arrays of matrices get successive indexes.
@@ -101,7 +101,12 @@ float4 main(in apple a) : sv_target

[test]
 draw quad
-todo(sm>=6) probe (0, 0) rgba (10.0, 11.0, 30.0, 31.0)
+probe (0, 0) rgba (10.0, 11.0, 30.0, 31.0)
+
+
+% dxcompiler emits correct array addressing.
+[require]
+shader model < 6.0

% Arrays (even multi-dimensional) of struct elements are allowed. The fields in the different struct
@@ -145,6 +150,10 @@ draw quad
 todo(sm>=6) probe (0, 0) rgba (10.0, 11.0, 20.0, 21.0)

+[require]
+% reset requirements
+
+
 [pixel shader fail]
 struct apple
 {
@@ -201,7 +210,7 @@ float4 main(in float4 tex0 : TEXCOORD0, in float4 tex1 : TEXCOORD1) : sv_target

[test]
 draw quad
-todo(sm>=6) probe (0, 0) rgba (1.0, 2.0, 10.0, 20.0)
+probe (0, 0) rgba (1.0, 2.0, 10.0, 20.0)

% Output semantics cannot be mapped to more than one value.
@@ -272,7 +281,7 @@ float4 main(in float4 a : TEXCOORD0, in float3 b : TEXCOORD1) : sv_target

[test]
 draw quad
-todo(sm>=6) probe (0, 0) rgba (10.0, 11.0, 20.0, 21.0)
+probe (0, 0) rgba (10.0, 11.0, 20.0, 21.0)

% In SM4, duplicated input semantics can only have different types if they have the same layout and