| /************************************************************************** |
| * |
| * 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 |