wined3d: Add support for appending vertex declaration elements.

dlls/d3d10core/inputlayout.c

@@ -83,8 +83,6 @@ static HRESULT d3d10_input_layout_to_wined3d_declaration(const D3D10_INPUT_ELEME
                 e->usage = 0;
                 e->usage_idx = 0;
 
-                if (f->AlignedByteOffset == D3D10_APPEND_ALIGNED_ELEMENT)
-                    FIXME("D3D10_APPEND_ALIGNED_ELEMENT not supported\n");
                 if (f->InputSlotClass != D3D10_INPUT_PER_VERTEX_DATA)
                     FIXME("Ignoring input slot class (%#x)\n", f->InputSlotClass);
                 if (f->InstanceDataStepRate)

dlls/wined3d/vertexdeclaration.c

@@ -216,6 +216,19 @@ static HRESULT vertexdeclaration_init(struct wined3d_vertex_declaration *declara
             return E_FAIL;
         }
 
+        if (e->offset == WINED3D_APPEND_ALIGNED_ELEMENT)
+        {
+            if (!i)
+            {
+                e->offset = 0;
+            }
+            else
+            {
+                struct wined3d_vertex_declaration_element *prev = &declaration->elements[i - 1];
+                e->offset = (prev->offset + prev->format->byte_count + 3) & ~3;
+            }
+        }
+
         if (e->offset & 0x3)
         {
             WARN("Declaration element %u is not 4 byte aligned(%u), returning E_FAIL.\n", i, e->offset);

dlls/wined3d/wined3d_private.h

@@ -2422,8 +2422,8 @@ struct wined3d_vertex_declaration_element
 {
     const struct wined3d_format *format;
     BOOL ffp_valid;
-    WORD input_slot;
-    WORD offset;
+    unsigned int input_slot;
+    unsigned int offset;
     UINT output_slot;
     BYTE method;
     BYTE usage;

include/wine/wined3d.h

@@ -1494,6 +1494,8 @@ enum wined3d_display_rotation
 #define WINED3D_SURFACE_DISCARD                                 0x00000002
 #define WINED3D_SURFACE_PIN_SYSMEM                              0x00000004
 
+#define WINED3D_APPEND_ALIGNED_ELEMENT                          0xffffffff
+
 struct wined3d_display_mode
 {
     UINT width;
@@ -1670,8 +1672,8 @@ struct wined3d_clip_status
 struct wined3d_vertex_element
 {
     enum wined3d_format_id format;
-    WORD input_slot;
-    WORD offset;
+    unsigned int input_slot;
+    unsigned int offset;
     UINT output_slot; /* D3D 8 & 10 */
     BYTE method;
     BYTE usage;