Paul Gofman : d3d8: Fix stream data skip count in convert_to_wined3d_declaration().

[Alexandre Julliard]

Module: wine
Branch: oldstable
Commit: 6c6b34839dcff1919a1c2191ed2fe17d93f10ce1
URL:    https://source.winehq.org/git/wine.git/?a=commit;h=6c6b34839dcff1919a1c2191e...

Author: Paul Gofman <gofmanp(a)gmail.com>
Date:   Tue Oct 29 02:23:12 2019 +0300

d3d8: Fix stream data skip count in convert_to_wined3d_declaration().

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=40364
Signed-off-by: Paul Gofman <gofmanp(a)gmail.com>
Signed-off-by: Henri Verbeet <hverbeet(a)codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard(a)winehq.org>
(cherry picked from commit 5e10f1d339aaf798374917ba039363072a867c1e)
Signed-off-by: Michael Stefaniuc <mstefani(a)winehq.org>

---

 dlls/d3d8/tests/visual.c      | 17 ++++++++++++-----
 dlls/d3d8/vertexdeclaration.c |  4 ++--
 2 files changed, 14 insertions(+), 7 deletions(-)

diff --git a/dlls/d3d8/tests/visual.c b/dlls/d3d8/tests/visual.c
index cc5992281f..e085270d1c 100644
--- a/dlls/d3d8/tests/visual.c
+++ b/dlls/d3d8/tests/visual.c
@@ -7746,13 +7746,19 @@ static void test_vshader_input(void)
         {{ 0.0f,  0.0f, 0.1f}, 0x00ff8040},
         {{ 1.0f, -1.0f, 0.1f}, 0x00ff8040},
         {{ 1.0f,  0.0f, 0.1f}, 0x00ff8040},
-    },
+    };
+    static const struct
+    {
+        struct vec3 position;
+        struct vec3 dummy; /* testing D3DVSD_SKIP */
+        DWORD diffuse;
+    }
     quad3_color[] =
     {
-        {{-1.0f,  0.0f, 0.1f}, 0x00ff8040},
-        {{-1.0f,  1.0f, 0.1f}, 0x00ff8040},
-        {{ 0.0f,  0.0f, 0.1f}, 0x00ff8040},
-        {{ 0.0f,  1.0f, 0.1f}, 0x00ff8040},
+        {{-1.0f,  0.0f, 0.1f}, {0.0f}, 0x00ff8040},
+        {{-1.0f,  1.0f, 0.1f}, {0.0f}, 0x00ff8040},
+        {{ 0.0f,  0.0f, 0.1f}, {0.0f}, 0x00ff8040},
+        {{ 0.0f,  1.0f, 0.1f}, {0.0f}, 0x00ff8040},
     };
     static const float quad4_color[] =
     {
@@ -7803,6 +7809,7 @@ static void test_vshader_input(void)
     {
         D3DVSD_STREAM(0),
         D3DVSD_REG(0, D3DVSDT_FLOAT3), /* position */
+        D3DVSD_SKIP(3),                /* not used */
         D3DVSD_REG(5, D3DVSDT_D3DCOLOR), /* diffuse */
         D3DVSD_END()
     };
diff --git a/dlls/d3d8/vertexdeclaration.c b/dlls/d3d8/vertexdeclaration.c
index 0cae3cd8c6..1cde622f28 100644
--- a/dlls/d3d8/vertexdeclaration.c
+++ b/dlls/d3d8/vertexdeclaration.c
@@ -294,8 +294,8 @@ static UINT convert_to_wined3d_declaration(const DWORD *d3d8_elements, DWORD *d3
 
             offset += wined3d_type_sizes[type];
         } else if (token_type == D3DVSD_TOKEN_STREAMDATA && (*token & D3DVSD_DATALOADTYPEMASK)) {
-            TRACE(" 0x%08x SKIP(%u)\n", token_type, ((token_type & D3DVSD_SKIPCOUNTMASK) >> D3DVSD_SKIPCOUNTSHIFT));
-            offset += sizeof(DWORD) * ((token_type & D3DVSD_SKIPCOUNTMASK) >> D3DVSD_SKIPCOUNTSHIFT);
+            TRACE(" 0x%08x SKIP(%u)\n", *token, (*token & D3DVSD_SKIPCOUNTMASK) >> D3DVSD_SKIPCOUNTSHIFT);
+            offset += sizeof(DWORD) * ((*token & D3DVSD_SKIPCOUNTMASK) >> D3DVSD_SKIPCOUNTSHIFT);
         }
 
         if (element_count >= 127) {