Francisco Casas : vkd3d-shader/hlsl: Simplify computation of allocation size.

[Alexandre Julliard]

Module: vkd3d
Branch: master
Commit: d4a49d788aefd27364770fd6c9a897c875a7cd12
URL:    https://gitlab.winehq.org/wine/vkd3d/-/commit/d4a49d788aefd27364770fd6c9a897...

Author: Francisco Casas 
Date:   Mon Aug  7 18:22:10 2023 -0400

vkd3d-shader/hlsl: Simplify computation of allocation size.

---

libs/vkd3d-shader/hlsl_codegen.c | 13 ++++---------
 1 file changed, 4 insertions(+), 9 deletions(-)

diff --git a/libs/vkd3d-shader/hlsl_codegen.c b/libs/vkd3d-shader/hlsl_codegen.c
index 8adfea0e..d6279432 100644
--- a/libs/vkd3d-shader/hlsl_codegen.c
+++ b/libs/vkd3d-shader/hlsl_codegen.c
@@ -3331,7 +3331,7 @@ static void calculate_resource_register_counts(struct hlsl_ctx *ctx)
 {
     struct hlsl_ir_var *var;
     struct hlsl_type *type;
-    unsigned int i, k;
+    unsigned int k;

LIST_FOR_EACH_ENTRY(var, &ctx->extern_vars, struct hlsl_ir_var, extern_entry)
     {
@@ -3339,15 +3339,10 @@ static void calculate_resource_register_counts(struct hlsl_ctx *ctx)

for (k = 0; k <= HLSL_REGSET_LAST_OBJECT; ++k)
         {
-            for (i = 0; i < type->reg_size[k]; ++i)
-            {
-                bool is_separated = var->is_separated_resource;
+            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].allocation_size = (k == HLSL_REGSET_SAMPLERS || is_separated) ? i + 1 : type->reg_size[k];
-            }
+            if (var->bind_count[k] > 0)
+                var->regs[k].allocation_size = (k == HLSL_REGSET_SAMPLERS || is_separated) ? var->bind_count[k] : type->reg_size[k];
         }
     }
 }