wined3d: Add support for returning multiple scissor rectangles.

dlls/d3d11/device.c

@@ -2140,7 +2140,7 @@ static void STDMETHODCALLTYPE d3d11_immediate_context_RSGetScissorRects(ID3D11De
         return;
 
     wined3d_mutex_lock();
-    wined3d_device_get_scissor_rect(device->wined3d_device, rects);
+    wined3d_device_get_scissor_rects(device->wined3d_device, NULL, rects);
     wined3d_mutex_unlock();
     if (*rect_count > 1)
         memset(&rects[1], 0, (*rect_count - 1) * sizeof(*rects));
@@ -4943,7 +4943,7 @@ static void STDMETHODCALLTYPE d3d10_device_RSGetScissorRects(ID3D10Device1 *ifac
         return;
 
     wined3d_mutex_lock();
-    wined3d_device_get_scissor_rect(device->wined3d_device, rects);
+    wined3d_device_get_scissor_rects(device->wined3d_device, NULL, rects);
     wined3d_mutex_unlock();
     if (*rect_count > 1)
         memset(&rects[1], 0, (*rect_count - 1) * sizeof(*rects));

dlls/d3d9/device.c

@@ -2577,7 +2577,7 @@ static HRESULT WINAPI d3d9_device_GetScissorRect(IDirect3DDevice9Ex *iface, RECT
     TRACE("iface %p, rect %p.\n", iface, rect);
 
     wined3d_mutex_lock();
-    wined3d_device_get_scissor_rect(device->wined3d_device, rect);
+    wined3d_device_get_scissor_rects(device->wined3d_device, NULL, rect);
     wined3d_mutex_unlock();
 
     return D3D_OK;

dlls/wined3d/device.c

@@ -2157,12 +2157,17 @@ void CDECL wined3d_device_set_scissor_rects(struct wined3d_device *device, unsig
     wined3d_cs_emit_set_scissor_rects(device->cs, rect_count, rects);
 }
 
-void CDECL wined3d_device_get_scissor_rect(const struct wined3d_device *device, RECT *rect)
+void CDECL wined3d_device_get_scissor_rects(const struct wined3d_device *device, unsigned int *rect_count, RECT *rects)
 {
-    TRACE("device %p, rect %p.\n", device, rect);
+    unsigned int count;
+
+    TRACE("device %p, rect_count %p, rects %p.\n", device, rect_count, rects);
 
-    *rect = device->state.scissor_rects[0];
-    TRACE("Returning rect %s.\n", wine_dbgstr_rect(rect));
+    count = rect_count ? min(*rect_count, device->state.scissor_rect_count) : 1;
+    if (count && rects)
+        memcpy(rects, device->state.scissor_rects, count * sizeof(*rects));
+    if (rect_count)
+        *rect_count = device->state.scissor_rect_count;
 }
 
 void CDECL wined3d_device_set_vertex_declaration(struct wined3d_device *device,

dlls/wined3d/wined3d.spec

@@ -101,7 +101,7 @@
 @ cdecl wined3d_device_get_render_state(ptr long)
 @ cdecl wined3d_device_get_rendertarget_view(ptr long)
 @ cdecl wined3d_device_get_sampler_state(ptr long long)
-@ cdecl wined3d_device_get_scissor_rect(ptr ptr)
+@ cdecl wined3d_device_get_scissor_rects(ptr ptr ptr)
 @ cdecl wined3d_device_get_software_vertex_processing(ptr)
 @ cdecl wined3d_device_get_stream_output(ptr long ptr)
 @ cdecl wined3d_device_get_stream_source(ptr long ptr ptr ptr)

include/wine/wined3d.h

@@ -2304,7 +2304,8 @@ struct wined3d_rendertarget_view * __cdecl wined3d_device_get_rendertarget_view(
         unsigned int view_idx);
 DWORD __cdecl wined3d_device_get_sampler_state(const struct wined3d_device *device,
         UINT sampler_idx, enum wined3d_sampler_state state);
-void __cdecl wined3d_device_get_scissor_rect(const struct wined3d_device *device, RECT *rect);
+void __cdecl wined3d_device_get_scissor_rects(const struct wined3d_device *device, unsigned int *rect_count,
+        RECT *rect);
 BOOL __cdecl wined3d_device_get_software_vertex_processing(const struct wined3d_device *device);
 struct wined3d_buffer * __cdecl wined3d_device_get_stream_output(struct wined3d_device *device,
         UINT idx, UINT *offset);