wined3d: Introduce wined3d_stateblock_set_blend_factor().

dlls/wined3d/stateblock.c

@@ -1434,6 +1434,15 @@ void CDECL wined3d_stateblock_set_render_state(struct wined3d_stateblock *stateb
     stateblock->changed.renderState[state >> 5] |= 1u << (state & 0x1f);
 }
 
+void CDECL wined3d_stateblock_set_blend_factor(struct wined3d_stateblock *stateblock,
+        const struct wined3d_color *blend_factor)
+{
+    TRACE("stateblock %p, blend_factor %p.\n", stateblock, blend_factor);
+
+    stateblock->stateblock_state.blend_factor = *blend_factor;
+    stateblock->changed.blend_state = TRUE;
+}
+
 static void init_default_render_states(DWORD rs[WINEHIGHEST_RENDER_STATE + 1], const struct wined3d_d3d_info *d3d_info)
 {
     union

dlls/wined3d/wined3d.spec

@@ -258,6 +258,7 @@
 @ cdecl wined3d_stateblock_create(ptr long ptr)
 @ cdecl wined3d_stateblock_decref(ptr)
 @ cdecl wined3d_stateblock_incref(ptr)
+@ cdecl wined3d_stateblock_set_blend_factor(ptr ptr)
 @ cdecl wined3d_stateblock_set_pixel_shader(ptr ptr)
 @ cdecl wined3d_stateblock_set_ps_consts_b(ptr long long ptr)
 @ cdecl wined3d_stateblock_set_ps_consts_f(ptr long long ptr)

include/wine/wined3d.h

@@ -2660,6 +2660,8 @@ HRESULT __cdecl wined3d_stateblock_create(struct wined3d_device *device,
         enum wined3d_stateblock_type type, struct wined3d_stateblock **stateblock);
 ULONG __cdecl wined3d_stateblock_decref(struct wined3d_stateblock *stateblock);
 ULONG __cdecl wined3d_stateblock_incref(struct wined3d_stateblock *stateblock);
+void __cdecl wined3d_stateblock_set_blend_factor(struct wined3d_stateblock *stateblock,
+        const struct wined3d_color *blend_factor);
 void __cdecl wined3d_stateblock_set_pixel_shader(struct wined3d_stateblock *stateblock, struct wined3d_shader *shader);
 HRESULT __cdecl wined3d_stateblock_set_ps_consts_b(struct wined3d_stateblock *stateblock,
         unsigned int start_idx, unsigned int count, const BOOL *constants);