[PATCH 1/4] ddraw: Make D3DVBCAPS_WRITEONLY vertex buffers dynamic
hverbeet at gmail.com
Tue Feb 28 06:05:16 CST 2012
On 28 February 2012 12:19, Stefan Dösinger <stefan at codeweavers.com> wrote:
> This is for bug 30019.
> Out ddraw.dll forwards DDLOCK_DISCARDCONTENTS and DDLOCK_NOOVERWRITE to
> wined3d, but wined3d ignores those flags because we never set
> WINED3DUSAGE_DYNAMIC. D3d7 docs refer to D3DVBCAPS_WRITEONLY as the flag
> to set when creating a buffer, so translate it to DYNAMIC | WRITEONLY.
> An argument could be made that we should set the DYNAMIC flag on all
> d3d7 buffers, but until I see a game that needs it I prefer to keep
> non-D3DVBCAPS_WRITEONLY buffers regular buffers.
I don't see why WRITEONLY should imply DYNAMIC. Setting it for all
ddraw buffers may make sense, but even then I'd like to hear a
somewhat more convincing argument that now is the right time to change
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