Henri Verbeet : ddraw: Use offscreen backbuffers.
Alexandre Julliard
julliard at winehq.org
Fri Sep 16 13:28:30 CDT 2011
Module: wine
Branch: master
Commit: 1aeee59bd8b6172c848c8029e1a55ddac1f93c44
URL: http://source.winehq.org/git/wine.git/?a=commit;h=1aeee59bd8b6172c848c8029e1a55ddac1f93c44
Author: Henri Verbeet <hverbeet at codeweavers.com>
Date: Thu Sep 15 20:01:50 2011 +0200
ddraw: Use offscreen backbuffers.
In principle this allows us to use more than one backbuffer in ddraw. It's
also a requirement for the next patch.
---
dlls/ddraw/ddraw.c | 46 +++++++---------------------------------------
1 files changed, 7 insertions(+), 39 deletions(-)
diff --git a/dlls/ddraw/ddraw.c b/dlls/ddraw/ddraw.c
index 7e6d372..a8b8985 100644
--- a/dlls/ddraw/ddraw.c
+++ b/dlls/ddraw/ddraw.c
@@ -2794,8 +2794,6 @@ static HRESULT ddraw_create_swapchain(IDirectDrawImpl *ddraw, IDirectDrawSurface
presentation_parameters.BackBufferWidth = target->surface_desc.dwWidth;
presentation_parameters.BackBufferHeight = target->surface_desc.dwHeight;
presentation_parameters.BackBufferFormat = PixelFormat_DD2WineD3D(&target->surface_desc.u4.ddpfPixelFormat);
- presentation_parameters.BackBufferCount = (target->surface_desc.dwFlags & DDSD_BACKBUFFERCOUNT)
- ? target->surface_desc.dwBackBufferCount : 0;
presentation_parameters.SwapEffect = WINED3DSWAPEFFECT_COPY;
presentation_parameters.hDeviceWindow = ddraw->dest_window;
presentation_parameters.Windowed = !(ddraw->cooperative_level & DDSCL_FULLSCREEN);
@@ -5644,27 +5642,6 @@ static HRESULT CDECL device_parent_create_surface(struct wined3d_device_parent *
return D3D_OK;
}
-static HRESULT WINAPI findRenderTarget(IDirectDrawSurface7 *surface, DDSURFACEDESC2 *surface_desc, void *ctx)
-{
- IDirectDrawSurfaceImpl *s = impl_from_IDirectDrawSurface7(surface);
- IDirectDrawSurfaceImpl **target = ctx;
-
- if (!s->isRenderTarget)
- {
- *target = s;
- IDirectDrawSurface7_Release(surface);
- return DDENUMRET_CANCEL;
- }
-
- /* Recurse into the surface tree */
- IDirectDrawSurface7_EnumAttachedSurfaces(surface, ctx, findRenderTarget);
-
- IDirectDrawSurface7_Release(surface);
- if (*target) return DDENUMRET_CANCEL;
-
- return DDENUMRET_OK;
-}
-
static HRESULT CDECL device_parent_create_rendertarget(struct wined3d_device_parent *device_parent,
void *container_parent, UINT width, UINT height, enum wined3d_format_id format,
WINED3DMULTISAMPLE_TYPE multisample_type, DWORD multisample_quality, BOOL lockable,
@@ -5672,33 +5649,24 @@ static HRESULT CDECL device_parent_create_rendertarget(struct wined3d_device_par
{
struct IDirectDrawImpl *ddraw = ddraw_from_device_parent(device_parent);
IDirectDrawSurfaceImpl *d3d_surface = ddraw->d3d_target;
- IDirectDrawSurfaceImpl *target = NULL;
TRACE("device_parent %p, container_parent %p, width %u, height %u, format %#x, multisample_type %#x,\n"
"\tmultisample_quality %u, lockable %u, surface %p.\n",
device_parent, container_parent, width, height, format, multisample_type,
multisample_quality, lockable, surface);
- if (d3d_surface->isRenderTarget)
- {
- IDirectDrawSurface7_EnumAttachedSurfaces(&d3d_surface->IDirectDrawSurface7_iface, &target, findRenderTarget);
- }
- else
- {
- target = d3d_surface;
- }
+ /* TODO: Return failure if the dimensions do not match, but this shouldn't
+ * happen. */
- if (!target)
+ if (d3d_surface->isRenderTarget)
{
- target = ddraw->d3d_target;
- ERR(" (%p) : No DirectDrawSurface found to create the back buffer. Using the front buffer as back buffer. Uncertain consequences\n", ddraw);
+ ERR("Frontbuffer already created.\n");
+ return E_FAIL;
}
+ d3d_surface->isRenderTarget = TRUE;
- /* TODO: Return failure if the dimensions do not match, but this shouldn't happen */
-
- *surface = target->wined3d_surface;
+ *surface = d3d_surface->wined3d_surface;
wined3d_surface_incref(*surface);
- target->isRenderTarget = TRUE;
TRACE("Returning wineD3DSurface %p, it belongs to surface %p\n", *surface, d3d_surface);
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