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/*
* Copyright (C) 2018 Rob Clark <robclark@freedesktop.org>
*
* 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 AUTHORS OR COPYRIGHT HOLDERS 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.
*
* Authors:
* Rob Clark <robclark@freedesktop.org>
*/
#ifndef IR3_CACHE_H_
#define IR3_CACHE_H_
#include "ir3_shader.h"
/*
* An in-memory cache for mapping shader state objects plus shader key to
* hw specific state object for the specified shader variant. This is to
* allow re-using things like the register setup for varying linkage, etc.
*/
/* key into program state cache */
struct ir3_cache_key {
struct ir3_shader *vs, *fs; // 4 dwords
struct ir3_shader_key key; // 7 dwords
};
/* per-gen backend program state object should subclass this for it's
* state object, mainly because we need a copy of the key that is not
* allocated on the stack
*/
struct ir3_program_state {
struct ir3_cache_key key;
};
struct ir3_cache_funcs {
struct ir3_program_state *(*create_state)(void *data,
struct ir3_shader_variant *bs, /* binning pass vs */
struct ir3_shader_variant *vs,
struct ir3_shader_variant *fs,
const struct ir3_shader_key *key);
void (*destroy_state)(void *data, struct ir3_program_state *state);
};
struct ir3_cache;
/* construct a shader cache. Free with ralloc_free() */
struct ir3_cache * ir3_cache_create(const struct ir3_cache_funcs *funcs, void *data);
void ir3_cache_destroy(struct ir3_cache *cache);
/* debug callback is used for shader-db logs in case the lookup triggers
* shader variant compilation.
*/
struct ir3_program_state * ir3_cache_lookup(struct ir3_cache *cache,
const struct ir3_cache_key *key,
struct pipe_debug_callback *debug);
/* call when an API level state object is destroyed, to invalidate
* cache entries which reference that state object.
*/
void ir3_cache_invalidate(struct ir3_cache *cache, void *stobj);
#endif /* IR3_CACHE_H_ */
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