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/*
* Copyright 2008 Ben Skeggs
*
* 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, sublicense,
* 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 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 NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS 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 "nv50_context.h"
#include "pipe/p_defines.h"
#include "pipe/p_winsys.h"
#include "pipe/p_inlines.h"
#include "util/u_tile.h"
static void
nv50_surface_copy(struct pipe_context *pipe, boolean flip,
struct pipe_surface *dest, unsigned destx, unsigned desty,
struct pipe_surface *src, unsigned srcx, unsigned srcy,
unsigned width, unsigned height)
{
struct nv50_context *nv50 = (struct nv50_context *)pipe;
struct nouveau_winsys *nvws = nv50->screen->nvws;
if (flip) {
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
nv50_surface_fill(struct pipe_context *pipe, struct pipe_surface *dest,
unsigned destx, unsigned desty, unsigned width,
unsigned height, unsigned value)
{
struct nv50_context *nv50 = (struct nv50_context *)pipe;
struct nouveau_winsys *nvws = nv50->screen->nvws;
nvws->surface_fill(nvws, dest, destx, desty, width, height, value);
}
static void *
nv50_surface_map(struct pipe_screen *screen, struct pipe_surface *ps,
unsigned flags )
{
struct nouveau_winsys *nvws = nv50_screen(screen)->nvws;
struct pipe_winsys *ws = screen->winsys;
struct nv50_surface *s = nv50_surface(ps);
struct nv50_surface m = *s;
void *map;
if (!s->untiled) {
s->untiled = ws->buffer_create(ws, 0, 0, ps->buffer->size);
m.base.buffer = s->untiled;
nvws->surface_copy(nvws, &m.base, 0, 0, &s->base, 0, 0,
ps->width, ps->height);
}
/* Map original tiled surface to disallow it being validated while
* untiled mirror is mapped.
*/
ws->buffer_map(ws, ps->buffer, flags);
map = ws->buffer_map(ws, s->untiled, flags);
if (!map)
return NULL;
return map;
}
static void
nv50_surface_unmap(struct pipe_screen *pscreen, struct pipe_surface *ps)
{
struct nouveau_winsys *nvws = nv50_screen(pscreen)->nvws;
struct pipe_winsys *ws = pscreen->winsys;
struct nv50_surface *s = nv50_surface(ps);
struct nv50_surface m = *s;
ws->buffer_unmap(ws, s->untiled);
ws->buffer_unmap(ws, ps->buffer);
m.base.buffer = s->untiled;
nvws->surface_copy(nvws, &s->base, 0, 0, &m.base, 0, 0,
ps->width, ps->height);
pipe_buffer_reference(pscreen, &s->untiled, NULL);
}
void
nv50_init_surface_functions(struct nv50_context *nv50)
{
nv50->pipe.surface_copy = nv50_surface_copy;
nv50->pipe.surface_fill = nv50_surface_fill;
}
void
nv50_surface_init_screen_functions(struct pipe_screen *pscreen)
{
pscreen->surface_map = nv50_surface_map;
pscreen->surface_unmap = nv50_surface_unmap;
}
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