Francisco Casas : vkd3d-shader/hlsl: Don't allocate all texture registers for synthetic separated samplers.

[Alexandre Julliard]

Module: vkd3d
Branch: master
Commit: 3bafd036bb53bf211cb8b05651835aba6fb47ebc
URL:    https://gitlab.winehq.org/wine/vkd3d/-/commit/3bafd036bb53bf211cb8b05651835a...

Author: Francisco Casas 
Date:   Thu Dec  1 20:17:08 2022 -0300

vkd3d-shader/hlsl: Don't allocate all texture registers for synthetic separated samplers.

---

libs/vkd3d-shader/hlsl_codegen.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/libs/vkd3d-shader/hlsl_codegen.c b/libs/vkd3d-shader/hlsl_codegen.c
index 5b0169ca..09a3ea4c 100644
--- a/libs/vkd3d-shader/hlsl_codegen.c
+++ b/libs/vkd3d-shader/hlsl_codegen.c
@@ -3277,9 +3277,12 @@ static void calculate_resource_register_counts(struct hlsl_ctx *ctx)
         {
             for (i = 0; i < type->reg_size[k]; ++i)
             {
-                /* Samplers are only allocated until the last used one. */
+                bool is_separated = var->is_separated_resource;
+
+                /* Samplers (and textures separated from them) are only allocated until the last
+                 * used one. */
                 if (var->objects_usage[k][i].used)
-                    var->regs[k].bind_count = (k == HLSL_REGSET_SAMPLERS) ? i + 1 : type->reg_size[k];
+                    var->regs[k].bind_count = (k == HLSL_REGSET_SAMPLERS || is_separated) ? i + 1 : type->reg_size[k];
             }
         }
     }