[PATCH 10/10] win32u: Use GDI blit to implement partial or other process presentation.

From: Rémi Bernon <rbernon(a)codeweavers.com> --- dlls/win32u/vulkan.c | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) diff --git a/dlls/win32u/vulkan.c b/dlls/win32u/vulkan.c index 137b3b58ccb..a3c734faf98 100644 --- a/dlls/win32u/vulkan.c +++ b/dlls/win32u/vulkan.c @@ -60,6 +60,7 @@ struct surface VkSurfaceKHR host_surface; void *driver_private; HDC offscreen_dc; + HRGN region; HWND hwnd; }; @@ -107,6 +108,7 @@ static VkResult win32u_vkCreateWin32SurfaceKHR( VkInstance instance, const VkWin release_win_ptr( win ); } + surface->region = NtGdiCreateRectRgn( 0, 0, 0, 0 ); surface->hwnd = info->hwnd; *handle = surface_to_handle( surface ); return VK_SUCCESS; @@ -126,6 +128,7 @@ static void win32u_vkDestroySurfaceKHR( VkInstance instance, VkSurfaceKHR handle if (surface->offscreen_dc) NtGdiDeleteObjectApp( surface->offscreen_dc ); p_vkDestroySurfaceKHR( instance, surface->host_surface, NULL /* allocator */ ); driver_funcs->p_vulkan_surface_destroy( surface->hwnd, surface->driver_private ); + NtGdiDeleteObjectApp( surface->region ); free( surface ); } @@ -144,6 +147,26 @@ static VkResult win32u_vkQueuePresentKHR( VkQueue queue, const VkPresentInfoKHR struct surface *surface = surface_from_handle( surfaces[i] ); driver_funcs->p_vulkan_surface_presented( surface->hwnd, swapchain_res ); + + if (swapchain_res >= VK_SUCCESS && surface->offscreen_dc) + { + UINT width, height; + RECT client_rect; + HDC hdc_dst; + + NtUserGetClientRect( surface->hwnd, &client_rect ); + width = client_rect.right - client_rect.left; + height = client_rect.bottom - client_rect.top; + + WARN("Copying vulkan child window %p rect %s\n", surface->hwnd, wine_dbgstr_rect(&client_rect)); + + if ((hdc_dst = NtUserGetDCEx(surface->hwnd, surface->region, DCX_USESTYLE | DCX_CACHE))) + { + NtGdiStretchBlt(hdc_dst, client_rect.left, client_rect.top, width, height, + surface->offscreen_dc, 0, 0, width, height, SRCCOPY, 0); + NtUserReleaseDC(surface->hwnd, hdc_dst); + } + } } return res; @@ -385,6 +408,7 @@ void vulkan_set_region( HWND toplevel, HRGN region ) { TRACE( "surface %p is now clipped\n", surface->hwnd ); driver_funcs->p_vulkan_surface_detach( surface->hwnd, surface->driver_private, &surface->offscreen_dc ); + NtGdiCombineRgn( surface->region, region, 0, RGN_COPY ); } else if (!is_clipped && surface->offscreen_dc) { -- GitLab https://gitlab.winehq.org/wine/wine/-/merge_requests/5573