Signed-off-by: Henri Verbeet hverbeet@codeweavers.com --- dlls/wined3d/swapchain.c | 72 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 72 insertions(+)
diff --git a/dlls/wined3d/swapchain.c b/dlls/wined3d/swapchain.c index 5fae34c8af5f..a027a7cffb1a 100644 --- a/dlls/wined3d/swapchain.c +++ b/dlls/wined3d/swapchain.c @@ -400,6 +400,73 @@ HRESULT CDECL wined3d_swapchain_get_gamma_ramp(const struct wined3d_swapchain *s return WINED3D_OK; }
+/* The is a fallback for cases where we e.g. can't create a GL context or + * Vulkan swapchain for the swapchain window. */ +static void swapchain_blit_gdi(struct wined3d_swapchain *swapchain, + struct wined3d_context *context, const RECT *src_rect, const RECT *dst_rect) +{ + struct wined3d_texture *back_buffer = swapchain->back_buffers[0]; + D3DKMT_DESTROYDCFROMMEMORY destroy_desc; + D3DKMT_CREATEDCFROMMEMORY create_desc; + const struct wined3d_format *format; + unsigned int row_pitch, slice_pitch; + HDC src_dc, dst_dc; + NTSTATUS status; + HBITMAP bitmap; + + static unsigned int once; + + TRACE("swapchain %p, context %p, src_rect %s, dst_rect %s.\n", + swapchain, context, wine_dbgstr_rect(src_rect), wine_dbgstr_rect(dst_rect)); + + if (!once++) + FIXME("Using GDI present.\n"); + + format = back_buffer->resource.format; + if (!format->ddi_format) + { + WARN("Cannot create a DC for format %s.\n", debug_d3dformat(format->id)); + return; + } + + wined3d_texture_load_location(back_buffer, 0, context, WINED3D_LOCATION_SYSMEM); + wined3d_texture_get_pitch(back_buffer, 0, &row_pitch, &slice_pitch); + + create_desc.pMemory = back_buffer->resource.heap_memory; + create_desc.Format = format->ddi_format; + create_desc.Width = wined3d_texture_get_level_width(back_buffer, 0); + create_desc.Height = wined3d_texture_get_level_height(back_buffer, 0); + create_desc.Pitch = row_pitch; + create_desc.hDeviceDc = CreateCompatibleDC(NULL); + create_desc.pColorTable = NULL; + + status = D3DKMTCreateDCFromMemory(&create_desc); + DeleteDC(create_desc.hDeviceDc); + if (status) + { + WARN("Failed to create DC, status %#x.\n", status); + return; + } + + src_dc = create_desc.hDc; + bitmap = create_desc.hBitmap; + + TRACE("Created source DC %p, bitmap %p for backbuffer %p.\n", src_dc, bitmap, back_buffer); + + if (!(dst_dc = GetDCEx(swapchain->win_handle, 0, DCX_USESTYLE | DCX_CACHE))) + ERR("Failed to get destination DC.\n"); + + if (!BitBlt(dst_dc, dst_rect->left, dst_rect->top, dst_rect->right - dst_rect->left, + dst_rect->bottom - dst_rect->top, src_dc, src_rect->left, src_rect->top, SRCCOPY)) + ERR("Failed to blit.\n"); + + ReleaseDC(swapchain->win_handle, dst_dc); + destroy_desc.hDc = src_dc; + destroy_desc.hBitmap = bitmap; + if ((status = D3DKMTDestroyDCFromMemory(&destroy_desc))) + ERR("Failed to destroy src dc, status %#x.\n", status); +} + /* A GL context is provided by the caller */ static void swapchain_blit(const struct wined3d_swapchain *swapchain, struct wined3d_context *context, const RECT *src_rect, const RECT *dst_rect) @@ -523,6 +590,9 @@ static void swapchain_gl_present(struct wined3d_swapchain *swapchain,
TRACE("Presenting DC %p.\n", context_gl->dc);
+ if (context_gl->dc == swapchain_gl->backup_dc) + swapchain_blit_gdi(swapchain, context, src_rect, dst_rect); + if (!(render_to_fbo = swapchain->render_to_fbo) && (src_rect->left || src_rect->top || src_rect->right != desc->backbuffer_width @@ -1152,6 +1222,8 @@ static void swapchain_vk_present(struct wined3d_swapchain *swapchain, const RECT
if (swapchain_vk->vk_swapchain) wined3d_swapchain_vk_blit(swapchain_vk, context_vk, src_rect, dst_rect, swap_interval); + else + swapchain_blit_gdi(swapchain, &context_vk->c, src_rect, dst_rect);
wined3d_swapchain_vk_rotate(swapchain, context_vk);