wined3d: Reject multisampled readbacks in wined3d_surface_get_render_target_data().

dlls/d3d9/device.c

@@ -971,8 +971,7 @@ static HRESULT WINAPI IDirect3DDevice9Impl_GetRenderTargetData(IDirect3DDevice9E
     TRACE("iface %p, render_target %p, dst_surface %p.\n", iface, pRenderTarget, pDestSurface);
 
     wined3d_mutex_lock();
-    hr = wined3d_surface_bltfast(destSurface->wined3d_surface, 0, 0,
-            renderTarget->wined3d_surface, NULL, WINEDDBLTFAST_NOCOLORKEY);
+    hr = wined3d_surface_get_render_target_data(destSurface->wined3d_surface, renderTarget->wined3d_surface);
     wined3d_mutex_unlock();
 
     return hr;

dlls/d3d9/tests/visual.c

@@ -12644,7 +12644,7 @@ static void multisample_get_rtdata_test(IDirect3DDevice9 *device)
     hr = IDirect3DDevice9_Clear(device, 0, NULL, D3DCLEAR_TARGET, 0xff00ff00, 0.0, 0);
     ok(SUCCEEDED(hr), "Failed to clear render target, hr %#x.\n", hr);
     hr = IDirect3DDevice9_GetRenderTargetData(device, rt, readback);
-    todo_wine ok(hr == D3DERR_INVALIDCALL, "Got unexpected hr %#x.\n", hr);
+    ok(hr == D3DERR_INVALIDCALL, "Got unexpected hr %#x.\n", hr);
 
     hr = IDirect3DDevice9_SetDepthStencilSurface(device, original_ds);
     ok(SUCCEEDED(hr), "Failed to set depth/stencil, hr %#x.\n", hr);

dlls/wined3d/surface.c

@@ -1826,6 +1826,19 @@ HRESULT CDECL wined3d_surface_bltfast(struct wined3d_surface *dst_surface, DWORD
     return wined3d_surface_blt(dst_surface, &dst_rect, src_surface, &src_rect, flags, NULL, WINED3DTEXF_POINT);
 }
 
+HRESULT CDECL wined3d_surface_get_render_target_data(struct wined3d_surface *surface,
+        struct wined3d_surface *render_target)
+{
+    TRACE("surface %p, render_target %p.\n", surface, render_target);
+
+    /* TODO: Check surface sizes, pools, etc. */
+
+    if (render_target->resource.multisample_type)
+        return WINED3DERR_INVALIDCALL;
+
+    return wined3d_surface_blt(surface, NULL, render_target, NULL, 0, NULL, WINED3DTEXF_POINT);
+}
+
 /* Context activation is done by the caller. */
 static void surface_remove_pbo(struct wined3d_surface *surface, const struct wined3d_gl_info *gl_info)
 {

dlls/wined3d/wined3d.spec

@@ -212,6 +212,7 @@
 @ cdecl wined3d_surface_get_parent(ptr)
 @ cdecl wined3d_surface_get_pitch(ptr)
 @ cdecl wined3d_surface_get_priority(ptr)
+@ cdecl wined3d_surface_get_render_target_data(ptr ptr)
 @ cdecl wined3d_surface_get_resource(ptr)
 @ cdecl wined3d_surface_getdc(ptr ptr)
 @ cdecl wined3d_surface_incref(ptr)

include/wine/wined3d.h

@@ -2428,6 +2428,8 @@ struct wined3d_palette * __cdecl wined3d_surface_get_palette(const struct wined3
 void * __cdecl wined3d_surface_get_parent(const struct wined3d_surface *surface);
 DWORD __cdecl wined3d_surface_get_pitch(const struct wined3d_surface *surface);
 DWORD __cdecl wined3d_surface_get_priority(const struct wined3d_surface *surface);
+HRESULT __cdecl wined3d_surface_get_render_target_data(struct wined3d_surface *surface,
+        struct wined3d_surface *render_target);
 struct wined3d_resource * __cdecl wined3d_surface_get_resource(struct wined3d_surface *surface);
 HRESULT __cdecl wined3d_surface_getdc(struct wined3d_surface *surface, HDC *dc);
 ULONG __cdecl wined3d_surface_incref(struct wined3d_surface *surface);