1 /* 2 * Copyright (c) 2012-2015 Etnaviv Project 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a 5 * copy of this software and associated documentation files (the "Software"), 6 * to deal in the Software without restriction, including without limitation 7 * the rights to use, copy, modify, merge, publish, distribute, sub license, 8 * and/or sell copies of the Software, and to permit persons to whom the 9 * Software is furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice (including the 12 * next paragraph) shall be included in all copies or substantial portions 13 * of the Software. 14 * 15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL 18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 21 * DEALINGS IN THE SOFTWARE. 22 * 23 * Authors: 24 * Wladimir J. van der Laan <laanwj (at) gmail.com> 25 */ 26 27 #ifndef H_ETNAVIV_SHADER 28 #define H_ETNAVIV_SHADER 29 30 #include "pipe/p_state.h" 31 32 struct etna_context; 33 struct etna_shader_variant; 34 35 struct etna_shader_key 36 { 37 union { 38 struct { 39 /* 40 * Combined Vertex/Fragment shader parameters: 41 */ 42 43 /* do we need to swap rb in frag color? */ 44 unsigned frag_rb_swap : 1; 45 }; 46 uint32_t global; 47 }; 48 }; 49 50 static inline bool 51 etna_shader_key_equal(struct etna_shader_key *a, struct etna_shader_key *b) 52 { 53 STATIC_ASSERT(sizeof(struct etna_shader_key) <= sizeof(a->global)); 54 55 return a->global == b->global; 56 } 57 58 struct etna_shader { 59 /* shader id (for debug): */ 60 uint32_t id; 61 uint32_t variant_count; 62 63 struct tgsi_token *tokens; 64 const struct etna_specs *specs; 65 66 struct etna_shader_variant *variants; 67 }; 68 69 bool 70 etna_shader_link(struct etna_context *ctx); 71 72 bool 73 etna_shader_update_vertex(struct etna_context *ctx); 74 75 struct etna_shader_variant * 76 etna_shader_variant(struct etna_shader *shader, struct etna_shader_key key, 77 struct pipe_debug_callback *debug); 78 79 void 80 etna_shader_init(struct pipe_context *pctx); 81 82 #endif 83
