[PATCH 3/6] wined3d: Introduce wined3d_stateblock_set_index_buffer().

[Zebediah Figura]

Signed-off-by: Zebediah Figura <z.figura12 at gmail.com>
---
 dlls/wined3d/stateblock.c | 14 ++++++++++++++
 dlls/wined3d/wined3d.spec |  1 +
 include/wine/wined3d.h    |  2 ++
 3 files changed, 17 insertions(+)

diff --git a/dlls/wined3d/stateblock.c b/dlls/wined3d/stateblock.c
index df0bca33b0b..7d2dcffba5f 100644
--- a/dlls/wined3d/stateblock.c
+++ b/dlls/wined3d/stateblock.c
@@ -1563,6 +1563,20 @@ void CDECL wined3d_stateblock_set_scissor_rect(struct wined3d_stateblock *stateb
     stateblock->changed.scissorRect = TRUE;
 }
 
+void CDECL wined3d_stateblock_set_index_buffer(struct wined3d_stateblock *stateblock,
+        struct wined3d_buffer *buffer, enum wined3d_format_id format_id)
+{
+    TRACE("stateblock %p, buffer %p, format %s.\n", stateblock, buffer, debug_d3dformat(format_id));
+
+    if (buffer)
+        wined3d_buffer_incref(buffer);
+    if (stateblock->stateblock_state.index_buffer)
+        wined3d_buffer_decref(stateblock->stateblock_state.index_buffer);
+    stateblock->stateblock_state.index_buffer = buffer;
+    stateblock->stateblock_state.index_format = format_id;
+    stateblock->changed.indices = TRUE;
+}
+
 static void init_default_render_states(DWORD rs[WINEHIGHEST_RENDER_STATE + 1], const struct wined3d_d3d_info *d3d_info)
 {
     union
diff --git a/dlls/wined3d/wined3d.spec b/dlls/wined3d/wined3d.spec
index 4041db56da1..614886cc4a1 100644
--- a/dlls/wined3d/wined3d.spec
+++ b/dlls/wined3d/wined3d.spec
@@ -265,6 +265,7 @@
 @ cdecl wined3d_stateblock_reset(ptr)
 @ cdecl wined3d_stateblock_set_blend_factor(ptr ptr)
 @ cdecl wined3d_stateblock_set_clip_plane(ptr long ptr)
+@ cdecl wined3d_stateblock_set_index_buffer(ptr ptr long)
 @ cdecl wined3d_stateblock_set_material(ptr ptr)
 @ cdecl wined3d_stateblock_set_pixel_shader(ptr ptr)
 @ cdecl wined3d_stateblock_set_ps_consts_b(ptr long long ptr)
diff --git a/include/wine/wined3d.h b/include/wine/wined3d.h
index e7236786013..7c6b2ef1078 100644
--- a/include/wine/wined3d.h
+++ b/include/wine/wined3d.h
@@ -2672,6 +2672,8 @@ void __cdecl wined3d_stateblock_set_blend_factor(struct wined3d_stateblock *stat
         const struct wined3d_color *blend_factor);
 HRESULT __cdecl wined3d_stateblock_set_clip_plane(struct wined3d_stateblock *stateblock,
         UINT plane_idx, const struct wined3d_vec4 *plane);
+void __cdecl wined3d_stateblock_set_index_buffer(struct wined3d_stateblock *stateblock,
+        struct wined3d_buffer *index_buffer, enum wined3d_format_id format_id);
 void __cdecl wined3d_stateblock_set_material(struct wined3d_stateblock *stateblock, const struct wined3d_material *material);
 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,
-- 
2.23.0