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wined3d: Shadow buffers in sysmem when software vertexprocessing is used.

This commit is contained in:
Stefan Dösinger 2013-01-15 14:03:18 +01:00 committed by Alexandre Julliard
parent e5ab22d684
commit 151407e5bf
1 changed files with 9 additions and 0 deletions
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9
dlls/wined3d/buffer.c
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@ -1207,6 +1207,15 @@ static HRESULT buffer_init(struct wined3d_buffer *buffer, struct wined3d_device
TRACE("size %#x, usage %#x, format %s, memory @ %p, iface @ %p.\n", buffer->resource.size, buffer->resource.usage,
debug_d3dformat(buffer->resource.format->id), buffer->resource.allocatedMemory, buffer);
if (device->create_parms.flags & WINED3DCREATE_SOFTWARE_VERTEXPROCESSING)
{
/* SWvp always returns the same pointer in buffer maps and retains data in DISCARD maps.
* Keep a system memory copy of the buffer to provide the same behavior to the application.
* Still use a VBO to support OpenGL 3 core contexts. */
TRACE("Using doublebuffer mode because of software vertex processing\n");
buffer->flags |= WINED3D_BUFFER_DOUBLEBUFFER;
}
dynamic_buffer_ok = gl_info->supported[APPLE_FLUSH_BUFFER_RANGE] || gl_info->supported[ARB_MAP_BUFFER_RANGE];
/* Observations show that drawStridedSlow is faster on dynamic VBs than converting +