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94 lines
3.4 KiB
C
94 lines
3.4 KiB
C
/*
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* Cogl
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*
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* A Low Level GPU Graphics and Utilities API
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*
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* Copyright (C) 2011 Intel Corporation.
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*
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* Permission is hereby granted, free of charge, to any person
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* obtaining a copy of this software and associated documentation
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* files (the "Software"), to deal in the Software without
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* restriction, including without limitation the rights to use, copy,
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* modify, merge, publish, distribute, sublicense, and/or sell copies
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* of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial 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
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*
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*
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*/
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#ifndef __COGL_PIPELINE_CACHE_H__
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#define __COGL_PIPELINE_CACHE_H__
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#include "cogl-pipeline.h"
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typedef struct _CoglPipelineCache CoglPipelineCache;
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typedef struct
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{
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CoglPipeline *pipeline;
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/* Number of usages of this template. If this drops to zero then it
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* will be a candidate for removal from the cache */
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int usage_count;
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} CoglPipelineCacheEntry;
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CoglPipelineCache *
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_cogl_pipeline_cache_new (void);
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void
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_cogl_pipeline_cache_free (CoglPipelineCache *cache);
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/*
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* Gets a pipeline from the cache that has the same state as
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* @key_pipeline for the state in
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* COGL_PIPELINE_STATE_AFFECTS_FRAGMENT_CODEGEN. If there is no
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* matching pipline already then a copy of key_pipeline is stored in
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* the cache so that it will be used next time the function is called
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* with a similar pipeline. In that case the copy itself will be
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* returned
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*/
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CoglPipelineCacheEntry *
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_cogl_pipeline_cache_get_fragment_template (CoglPipelineCache *cache,
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CoglPipeline *key_pipeline);
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/*
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* Gets a pipeline from the cache that has the same state as
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* @key_pipeline for the state in
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* COGL_PIPELINE_STATE_AFFECTS_VERTEX_CODEGEN. If there is no
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* matching pipline already then a copy of key_pipeline is stored in
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* the cache so that it will be used next time the function is called
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* with a similar pipeline. In that case the copy itself will be
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* returned
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*/
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CoglPipelineCacheEntry *
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_cogl_pipeline_cache_get_vertex_template (CoglPipelineCache *cache,
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CoglPipeline *key_pipeline);
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/*
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* Gets a pipeline from the cache that has the same state as
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* @key_pipeline for the combination of the state state in
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* COGL_PIPELINE_STATE_AFFECTS_VERTEX_CODEGEN and
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* COGL_PIPELINE_STATE_AFFECTS_FRAGMENT_CODEGEN. If there is no
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* matching pipline already then a copy of key_pipeline is stored in
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* the cache so that it will be used next time the function is called
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* with a similar pipeline. In that case the copy itself will be
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* returned
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*/
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CoglPipelineCacheEntry *
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_cogl_pipeline_cache_get_combined_template (CoglPipelineCache *cache,
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CoglPipeline *key_pipeline);
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#endif /* __COGL_PIPELINE_CACHE_H__ */
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