120 lines
3.8 KiB
C
120 lines
3.8 KiB
C
/**************************************************************************
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*
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* Copyright 2010 Luca Barbieri
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial
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* portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
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* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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**************************************************************************/
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#ifndef U_DIRTY_SURFACES_H_
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#define U_DIRTY_SURFACES_H_
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#include "pipe/p_state.h"
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#include "util/u_double_list.h"
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#include "util/u_math.h"
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struct pipe_context;
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typedef void (*util_dirty_surface_flush_t) (struct pipe_context *, struct pipe_surface *);
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struct util_dirty_surfaces
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{
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struct list_head dirty_list;
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};
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struct util_dirty_surface
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{
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struct pipe_surface base;
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struct list_head dirty_list;
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};
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static INLINE void
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util_dirty_surfaces_init(struct util_dirty_surfaces *ds)
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{
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LIST_INITHEAD(&ds->dirty_list);
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}
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static INLINE void
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util_dirty_surfaces_use_for_sampling(struct pipe_context *pipe, struct util_dirty_surfaces *dss, util_dirty_surface_flush_t flush)
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{
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struct list_head *p, *next;
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for(p = dss->dirty_list.next; p != &dss->dirty_list; p = next)
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{
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struct util_dirty_surface *ds = LIST_ENTRY(struct util_dirty_surface, p, dirty_list);
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next = p->next;
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flush(pipe, &ds->base);
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}
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}
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static INLINE void
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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)
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{
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struct list_head *p, *next;
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if(first > last)
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return;
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for(p = dss->dirty_list.next; p != &dss->dirty_list; p = next)
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{
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struct util_dirty_surface *ds = LIST_ENTRY(struct util_dirty_surface, p, dirty_list);
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next = p->next;
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if(ds->base.u.tex.level >= first && ds->base.u.tex.level <= last)
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flush(pipe, &ds->base);
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}
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}
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static INLINE void
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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)
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{
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if(!LIST_IS_EMPTY(&dss->dirty_list))
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util_dirty_surfaces_use_levels_for_sampling(pipe, dss, (unsigned)pss->min_lod + psv->u.tex.first_level,
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MIN2((unsigned)ceilf(pss->max_lod) + psv->u.tex.first_level, psv->u.tex.last_level), flush);
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}
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static INLINE void
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util_dirty_surface_init(struct util_dirty_surface *ds)
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{
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LIST_INITHEAD(&ds->dirty_list);
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}
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static INLINE boolean
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util_dirty_surface_is_dirty(struct util_dirty_surface *ds)
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{
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return !LIST_IS_EMPTY(&ds->dirty_list);
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}
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static INLINE void
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util_dirty_surface_set_dirty(struct util_dirty_surfaces *dss, struct util_dirty_surface *ds)
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{
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if(LIST_IS_EMPTY(&ds->dirty_list))
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LIST_ADDTAIL(&ds->dirty_list, &dss->dirty_list);
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}
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static INLINE void
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util_dirty_surface_set_clean(struct util_dirty_surfaces *dss, struct util_dirty_surface *ds)
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{
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if(!LIST_IS_EMPTY(&ds->dirty_list))
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LIST_DELINIT(&ds->dirty_list);
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}
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#endif
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