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/**************************************************************************
*
* Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sub license, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
* IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
**************************************************************************/
#include "nv30_context.h"
#include "pipe/p_defines.h"
#include "pipe/p_winsys.h"
#include "pipe/p_inlines.h"
#include "util/u_tile.h"
static void
nv30_surface_copy(struct pipe_context *pipe, boolean do_flip,
struct pipe_surface *dest, unsigned destx, unsigned desty,
struct pipe_surface *src, unsigned srcx, unsigned srcy,
unsigned width, unsigned height)
{
struct nv30_context *nv30 = nv30_context(pipe);
struct nouveau_winsys *nvws = nv30->nvws;
if (do_flip) {
/*XXX: This dodgyness will do for now for correctness. But,
* need to investigate whether the 2D engine is able to
* manage a flip (perhaps SIFM?), if not, use the 3D engine
*/
desty += height;
while (height--) {
nvws->surface_copy(nvws, dest, destx, desty--, src,
srcx, srcy++, width, 1);
}
} else {
nvws->surface_copy(nvws, dest, destx, desty, src, srcx, srcy,
width, height);
}
}
static void
nv30_surface_fill(struct pipe_context *pipe, struct pipe_surface *dest,
unsigned destx, unsigned desty, unsigned width,
unsigned height, unsigned value)
{
struct nv30_context *nv30 = nv30_context(pipe);
struct nouveau_winsys *nvws = nv30->nvws;
nvws->surface_fill(nvws, dest, destx, desty, width, height, value);
}
void
nv30_init_surface_functions(struct nv30_context *nv30)
{
nv30->pipe.surface_copy = nv30_surface_copy;
nv30->pipe.surface_fill = nv30_surface_fill;
}
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