| /* |
| * Copyright 2019 Advanced Micro Devices, Inc. |
| * 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 |
| * on 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 |
| * THE AUTHOR(S) AND/OR THEIR 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. |
| */ |
| |
| /* This deduplicates live shader CSOs, meaning that creating 2 shaders with |
| * the same IR will return the same CSO. |
| * |
| * How to use this: |
| * |
| * - create_xx_state should only call util_live_shader_cache_get. |
| * |
| * - delete_xx_state should only call util_shader_reference(&shader, NULL). |
| * This will decrease the reference count. |
| * |
| * - Driver shaders must inherit util_live_shader. They don't have to |
| * initialize it. |
| * |
| * - Declare struct util_live_shader_cache in your pipe_screen (no pointer) if |
| * you support shareable shaders. If not, declare it in your pipe_context. |
| * |
| * - Set your create_shader and destroy_shader driver callbacks with |
| * util_live_shader_cache_init. These are your driver versions of |
| * create_xx_state and delete_xx_state. There is no distinction between |
| * vs, tcs, tes, gs, fs. Instead, get the shader type from the IR. |
| * |
| * - Call util_live_shader_cache_deinit when you destroy your screen or context. |
| */ |
| |
| #ifndef U_LIVE_SHADER_CACHE_H |
| #define U_LIVE_SHADER_CACHE_H |
| |
| #include "util/simple_mtx.h" |
| #include "pipe/p_state.h" |
| |
| struct util_live_shader_cache { |
| simple_mtx_t lock; |
| struct hash_table *hashtable; |
| |
| void *(*create_shader)(struct pipe_context *, |
| const struct pipe_shader_state *state); |
| void (*destroy_shader)(struct pipe_context *, void *); |
| |
| unsigned hits, misses; |
| }; |
| |
| struct util_live_shader { |
| struct pipe_reference reference; |
| unsigned char sha1[20]; |
| }; |
| |
| void |
| util_live_shader_cache_init(struct util_live_shader_cache *cache, |
| void *(*create_shader)(struct pipe_context *, |
| const struct pipe_shader_state *state), |
| void (*destroy_shader)(struct pipe_context *, void *)); |
| |
| void |
| util_live_shader_cache_deinit(struct util_live_shader_cache *cache); |
| |
| void * |
| util_live_shader_cache_get(struct pipe_context *ctx, |
| struct util_live_shader_cache *cache, |
| const struct pipe_shader_state *state, |
| bool* cache_hit); |
| |
| void |
| util_shader_reference(struct pipe_context *ctx, |
| struct util_live_shader_cache *cache, |
| void **dst, void *src); |
| |
| #endif |