Zebediah Figura : wined3d: Allow retrieving the frontbuffer from a wined3d swapchain.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 83518a6810e2dd1f2386b22d8cbe57b4b00542af
URL:    https://gitlab.winehq.org/wine/wine/-/commit/83518a6810e2dd1f2386b22d8cbe57b...

Author: Zebediah Figura 
Date:   Tue Dec 27 12:28:25 2022 -0600

wined3d: Allow retrieving the frontbuffer from a wined3d swapchain.

For ddraw.

---

dlls/wined3d/swapchain.c  | 7 +++++++
 dlls/wined3d/wined3d.spec | 1 +
 include/wine/wined3d.h    | 1 +
 3 files changed, 9 insertions(+)

diff --git a/dlls/wined3d/swapchain.c b/dlls/wined3d/swapchain.c
index bd4472d746a..b31c3393767 100644
--- a/dlls/wined3d/swapchain.c
+++ b/dlls/wined3d/swapchain.c
@@ -275,6 +275,13 @@ struct wined3d_texture * CDECL wined3d_swapchain_get_back_buffer(const struct wi
     return swapchain->back_buffers[back_buffer_idx];
 }

+struct wined3d_texture * CDECL wined3d_swapchain_get_front_buffer(const struct wined3d_swapchain *swapchain)
+{
+    TRACE("swapchain %p.\n", swapchain);
+
+    return swapchain->front_buffer;
+}
+
 struct wined3d_output * wined3d_swapchain_get_output(const struct wined3d_swapchain *swapchain)
 {
     TRACE("swapchain %p.\n", swapchain);
diff --git a/dlls/wined3d/wined3d.spec b/dlls/wined3d/wined3d.spec
index 5a406377bf5..e905684ce23 100644
--- a/dlls/wined3d/wined3d.spec
+++ b/dlls/wined3d/wined3d.spec
@@ -270,6 +270,7 @@
 @ cdecl wined3d_swapchain_get_desc(ptr ptr)
 @ cdecl wined3d_swapchain_get_device(ptr)
 @ cdecl wined3d_swapchain_get_display_mode(ptr ptr ptr)
+@ cdecl wined3d_swapchain_get_front_buffer(ptr)
 @ cdecl wined3d_swapchain_get_front_buffer_data(ptr ptr long)
 @ cdecl wined3d_swapchain_get_gamma_ramp(ptr ptr)
 @ cdecl wined3d_swapchain_get_parent(ptr)
diff --git a/include/wine/wined3d.h b/include/wine/wined3d.h
index 0e921a9a6ad..32a1a70b040 100644
--- a/include/wine/wined3d.h
+++ b/include/wine/wined3d.h
@@ -2809,6 +2809,7 @@ struct wined3d_texture * __cdecl wined3d_swapchain_get_back_buffer(const struct
 struct wined3d_device * __cdecl wined3d_swapchain_get_device(const struct wined3d_swapchain *swapchain);
 HRESULT __cdecl wined3d_swapchain_get_display_mode(const struct wined3d_swapchain *swapchain,
         struct wined3d_display_mode *mode, enum wined3d_display_rotation *rotation);
+struct wined3d_texture * __cdecl wined3d_swapchain_get_front_buffer(const struct wined3d_swapchain *swapchain);
 HRESULT __cdecl wined3d_swapchain_get_front_buffer_data(const struct wined3d_swapchain *swapchain,
         struct wined3d_texture *dst_texture, unsigned int sub_resource_idx);
 HRESULT __cdecl wined3d_swapchain_get_gamma_ramp(const struct wined3d_swapchain *swapchain,