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/**************************************************************************
*
* Copyright 2010 Luca Barbieri
*
* 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 (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 NONINFRINGEMENT.
* IN NO EVENT SHALL THE COPYRIGHT OWNER(S) 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.
*
**************************************************************************/
#ifndef U_DIRTY_SURFACES_H_
#define U_DIRTY_SURFACES_H_
#include "pipe/p_state.h"
#include "util/u_double_list.h"
#include "util/u_math.h"
struct pipe_context;
typedef void (*util_dirty_surface_flush_t) (struct pipe_context *, struct pipe_surface *);
struct util_dirty_surfaces
{
struct list_head dirty_list;
};
struct util_dirty_surface
{
struct pipe_surface base;
struct list_head dirty_list;
};
static INLINE void
util_dirty_surfaces_init(struct util_dirty_surfaces *ds)
{
LIST_INITHEAD(&ds->dirty_list);
}
static INLINE void
util_dirty_surfaces_use_for_sampling(struct pipe_context *pipe, struct util_dirty_surfaces *dss, util_dirty_surface_flush_t flush)
{
struct list_head *p, *next;
for(p = dss->dirty_list.next; p != &dss->dirty_list; p = next)
{
struct util_dirty_surface *ds = LIST_ENTRY(struct util_dirty_surface, p, dirty_list);
next = p->next;
flush(pipe, &ds->base);
}
}
static INLINE void
util_dirty_surfaces_use_levels_for_sampling(struct pipe_context *pipe, struct util_dirty_surfaces *dss, unsigned first, unsigned last, util_dirty_surface_flush_t flush)
{
struct list_head *p, *next;
if(first > last)
return;
for(p = dss->dirty_list.next; p != &dss->dirty_list; p = next)
{
struct util_dirty_surface *ds = LIST_ENTRY(struct util_dirty_surface, p, dirty_list);
next = p->next;
if(ds->base.u.tex.level >= first && ds->base.u.tex.level <= last)
flush(pipe, &ds->base);
}
}
static INLINE void
util_dirty_surfaces_use_for_sampling_with(struct pipe_context *pipe, struct util_dirty_surfaces *dss, struct pipe_sampler_view *psv, struct pipe_sampler_state *pss, util_dirty_surface_flush_t flush)
{
if(!LIST_IS_EMPTY(&dss->dirty_list))
util_dirty_surfaces_use_levels_for_sampling(pipe, dss, (unsigned)pss->min_lod + psv->u.tex.first_level,
MIN2((unsigned)ceilf(pss->max_lod) + psv->u.tex.first_level, psv->u.tex.last_level), flush);
}
static INLINE void
util_dirty_surface_init(struct util_dirty_surface *ds)
{
LIST_INITHEAD(&ds->dirty_list);
}
static INLINE boolean
util_dirty_surface_is_dirty(struct util_dirty_surface *ds)
{
return !LIST_IS_EMPTY(&ds->dirty_list);
}
static INLINE void
util_dirty_surface_set_dirty(struct util_dirty_surfaces *dss, struct util_dirty_surface *ds)
{
if(LIST_IS_EMPTY(&ds->dirty_list))
LIST_ADDTAIL(&ds->dirty_list, &dss->dirty_list);
}
static INLINE void
util_dirty_surface_set_clean(struct util_dirty_surfaces *dss, struct util_dirty_surface *ds)
{
if(!LIST_IS_EMPTY(&ds->dirty_list))
LIST_DELINIT(&ds->dirty_list);
}
#endif
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