Zebediah Figura : wined3d: Read the sm4 sample count in DCL instructions.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: d53fd401651285eeff30216a8858c5623f35b2e1
URL:    https://gitlab.winehq.org/wine/wine/-/commit/d53fd401651285eeff30216a8858c56...

Author: Zebediah Figura <zfigura(a)codeweavers.com>
Date:   Tue May  9 15:00:07 2023 -0500

wined3d: Read the sm4 sample count in DCL instructions.

Based on vkd3d commit ee52ad810635cf504a49d5267a5942fffb16836e.

---

 dlls/wined3d/shader_sm4.c      | 10 ++++++++++
 dlls/wined3d/wined3d_private.h |  1 +
 2 files changed, 11 insertions(+)

diff --git a/dlls/wined3d/shader_sm4.c b/dlls/wined3d/shader_sm4.c
index b87d45b0fb7..78abdbe81ac 100644
--- a/dlls/wined3d/shader_sm4.c
+++ b/dlls/wined3d/shader_sm4.c
@@ -49,6 +49,9 @@ WINE_DECLARE_DEBUG_CHANNEL(d3d_bytecode);
 #define WINED3D_SM4_RESOURCE_TYPE_SHIFT         11
 #define WINED3D_SM4_RESOURCE_TYPE_MASK          (0xfu << WINED3D_SM4_RESOURCE_TYPE_SHIFT)
 
+#define WINED3D_SM4_RESOURCE_SAMPLE_COUNT_SHIFT 16
+#define WINED3D_SM4_RESOURCE_SAMPLE_COUNT_MASK  (0xfu << WINED3D_SM4_RESOURCE_SAMPLE_COUNT_SHIFT)
+
 #define WINED3D_SM4_PRIMITIVE_TYPE_SHIFT        11
 #define WINED3D_SM4_PRIMITIVE_TYPE_MASK         (0x3fu << WINED3D_SM4_PRIMITIVE_TYPE_SHIFT)
 
@@ -592,6 +595,13 @@ static void shader_sm4_read_dcl_resource(struct wined3d_shader_instruction *ins,
     {
         ins->declaration.semantic.resource_type = resource_type_table[resource_type];
     }
+
+    if (ins->declaration.semantic.resource_type == WINED3D_SHADER_RESOURCE_TEXTURE_2DMS
+            || ins->declaration.semantic.resource_type == WINED3D_SHADER_RESOURCE_TEXTURE_2DMSARRAY)
+    {
+        ins->declaration.semantic.sample_count = (opcode_token & WINED3D_SM4_RESOURCE_SAMPLE_COUNT_MASK) >> WINED3D_SM4_RESOURCE_SAMPLE_COUNT_SHIFT;
+    }
+
     reg_data_type = opcode == WINED3D_SM4_OP_DCL_RESOURCE ? WINED3D_DATA_RESOURCE : WINED3D_DATA_UAV;
     shader_sm4_read_dst_param(priv, &tokens, &tokens[token_count], reg_data_type, &ins->declaration.semantic.reg);
 
diff --git a/dlls/wined3d/wined3d_private.h b/dlls/wined3d/wined3d_private.h
index f793c6c0cde..d28a86f77c2 100644
--- a/dlls/wined3d/wined3d_private.h
+++ b/dlls/wined3d/wined3d_private.h
@@ -1311,6 +1311,7 @@ struct wined3d_shader_semantic
     enum wined3d_decl_usage usage;
     UINT usage_idx;
     enum wined3d_shader_resource_type resource_type;
+    unsigned int sample_count;
     enum wined3d_data_type resource_data_type;
     struct wined3d_shader_dst_param reg;
 };