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d3d8: Forbid setting a viewport larger than the render target. 

Signed-off-by: Matteo Bruni <mbruni@codeweavers.com>
Signed-off-by: Henri Verbeet <hverbeet@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Matteo Bruni 2018-03-22 21:43:09 +01:00 committed by Alexandre Julliard
parent 82ffc5b78d
commit aa5fa70806
1 changed files with 20 additions and 1 deletions
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21
dlls/d3d8/device.c
View File

@ -1619,10 +1619,30 @@ static HRESULT WINAPI d3d8_device_MultiplyTransform(IDirect3DDevice8 *iface,
static HRESULT WINAPI d3d8_device_SetViewport(IDirect3DDevice8 *iface, const D3DVIEWPORT8 *viewport)
{
struct d3d8_device *device = impl_from_IDirect3DDevice8(iface);
struct wined3d_sub_resource_desc rt_desc;
struct wined3d_rendertarget_view *rtv;
struct d3d8_surface *surface;
struct wined3d_viewport vp;
TRACE("iface %p, viewport %p.\n", iface, viewport);
wined3d_mutex_lock();
if (!(rtv = wined3d_device_get_rendertarget_view(device->wined3d_device, 0)))
{
wined3d_mutex_unlock();
return D3DERR_NOTFOUND;
}
surface = wined3d_rendertarget_view_get_sub_resource_parent(rtv);
wined3d_texture_get_sub_resource_desc(surface->wined3d_texture, surface->sub_resource_idx, &rt_desc);
if (viewport->X > rt_desc.width || viewport->Width > rt_desc.width - viewport->X
|| viewport->Y > rt_desc.height || viewport->Height > rt_desc.height - viewport->Y)
{
WARN("Invalid viewport, returning D3DERR_INVALIDCALL.\n");
wined3d_mutex_unlock();
return D3DERR_INVALIDCALL;
}
vp.x = viewport->X;
vp.y = viewport->Y;
vp.width = viewport->Width;
@ -1630,7 +1650,6 @@ static HRESULT WINAPI d3d8_device_SetViewport(IDirect3DDevice8 *iface, const D3D
vp.min_z = viewport->MinZ;
vp.max_z = viewport->MaxZ;
wined3d_mutex_lock();
wined3d_device_set_viewport(device->wined3d_device, &vp);
wined3d_mutex_unlock();