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wined3d: Fix VBO buffer usage.

This commit is contained in:
Stefan Dösinger 2009-11-28 11:38:29 +01:00 committed by Alexandre Julliard
parent 718e55b9a6
commit 8eeb513b1a
1 changed files with 10 additions and 15 deletions
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19
dlls/wined3d/buffer.c
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@ -79,22 +79,17 @@ static void buffer_create_buffer_object(struct wined3d_buffer *This)
}
/* Don't use static, because dx apps tend to update the buffer
* quite often even if they specify 0 usage. Because we always keep the local copy
* we never read from the vbo and can create a write only opengl buffer.
* quite often even if they specify 0 usage.
*/
switch(This->resource.usage & (WINED3DUSAGE_WRITEONLY | WINED3DUSAGE_DYNAMIC))
if(This->resource.usage & WINED3DUSAGE_DYNAMIC)
{
case WINED3DUSAGE_WRITEONLY | WINED3DUSAGE_DYNAMIC:
case WINED3DUSAGE_DYNAMIC:
TRACE("Gl usage = GL_STREAM_DRAW\n");
gl_usage = GL_STREAM_DRAW_ARB;
break;
case WINED3DUSAGE_WRITEONLY:
default:
TRACE("Gl usage = GL_DYNAMIC_DRAW\n");
gl_usage = GL_DYNAMIC_DRAW_ARB;
break;
}
else
{
TRACE("Gl usage = GL_STREAM_DRAW\n");
gl_usage = GL_STREAM_DRAW_ARB;
}
/* Reserve memory for the buffer. The amount of data won't change