wined3d: Introduce WINED3DFMT_FLAG_VERTEX_ATTRIBUTE.

dlls/wined3d/utils.c

@@ -3692,6 +3692,7 @@ static BOOL init_format_vertex_info(const struct wined3d_adapter *adapter,
         format->emit_idx = format_vertex_info[i].emit_idx;
         format->gl_vtx_type = format_vertex_info[i].gl_vtx_type;
         format->gl_vtx_format = format->component_count;
+        format->flags[WINED3D_GL_RES_TYPE_BUFFER] |= WINED3DFMT_FLAG_VERTEX_ATTRIBUTE;
     }
 
     if (gl_info->supported[ARB_VERTEX_ARRAY_BGRA])

dlls/wined3d/vertexdeclaration.c

@@ -220,7 +220,7 @@ static HRESULT vertexdeclaration_init(struct wined3d_vertex_declaration *declara
         if (e->input_slot >= MAX_STREAMS)
             continue;
 
-        if (!e->format->gl_vtx_format)
+        if (!(e->format->flags[WINED3D_GL_RES_TYPE_BUFFER] & WINED3DFMT_FLAG_VERTEX_ATTRIBUTE))
         {
             FIXME("The application tries to use an unsupported format (%s), returning E_FAIL.\n",
                     debug_d3dformat(elements[i].format));

dlls/wined3d/wined3d_private.h

@@ -4293,6 +4293,7 @@ extern enum wined3d_format_id pixelformat_for_depth(DWORD depth) DECLSPEC_HIDDEN
 #define WINED3DFMT_FLAG_INTEGER                     0x00200000
 #define WINED3DFMT_FLAG_GEN_MIPMAP                  0x00400000
 #define WINED3DFMT_FLAG_NORMALISED                  0x00800000
+#define WINED3DFMT_FLAG_VERTEX_ATTRIBUTE            0x01000000
 
 struct wined3d_rational
 {