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/**************************************************************************
*
* Copyright 2008 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.
*
**************************************************************************/
/**
* Surface/Context Tracking
*
* For some drivers, we need to monitor the binding between contexts and
* surfaces/textures.
* This code may evolve quite a bit...
*/
#ifndef SCT_H
#define SCT_H
#ifdef __cplusplus
extern "C" {
#endif
struct pipe_context;
struct pipe_surface;
struct sct_context;
struct sct_surface;
/**
* Per-device info, basically
*/
struct surface_context_tracker
{
struct sct_context *contexts;
struct sct_surface *surfaces;
};
/**
* Simple linked list of contexts
*/
struct sct_context_list
{
const struct pipe_context *context;
struct sct_context_list *next;
};
extern void
sct_bind_surfaces(struct surface_context_tracker *sct,
struct pipe_context *context,
uint num_surf,
struct pipe_surface **surfaces);
extern void
sct_bind_texture(struct surface_context_tracker *sct,
struct pipe_context *context,
uint unit,
struct pipe_texture *texture);
extern void
sct_update_texture(struct pipe_texture *tex);
extern boolean
sct_is_texture_used(struct surface_context_tracker *sct,
const struct pipe_context *context,
const struct pipe_texture *texture);
extern void
sct_flush_textures(struct surface_context_tracker *sct,
struct pipe_context *context);
extern const struct sct_context_list *
sct_get_surface_contexts(struct surface_context_tracker *sct,
const struct pipe_surface *surf);
extern void
sct_destroy_context(struct surface_context_tracker *sct,
struct pipe_context *context);
extern void
sct_destroy_surface(struct surface_context_tracker *sct,
struct pipe_surface *surface);
#ifdef __cplusplus
}
#endif
#endif /* SCT_H */
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