1 /* 2 * Copyright (C) 2018 Jonathan Marek <jonathan@marek.ca> 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, sublicense, 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 next 12 * paragraph) shall be included in all copies or substantial portions of the 13 * 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 NONINFRINGEMENT. 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 FROM, 20 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 21 * SOFTWARE. 22 * 23 * Authors: 24 * Jonathan Marek <jonathan@marek.ca> 25 */ 26 27 #ifndef IR2_H_ 28 #define IR2_H_ 29 30 #include "compiler/nir/nir.h" 31 #include "pipe/p_context.h" 32 33 struct ir2_fetch_info { 34 /* dword offset of the fetch instruction */ 35 uint16_t offset; 36 union { 37 /* swizzle to merge with tgsi swizzle */ 38 struct { 39 uint16_t dst_swiz; 40 } vtx; 41 /* sampler id to patch const_idx */ 42 struct { 43 uint16_t samp_id; 44 uint8_t src_swiz; 45 } tex; 46 }; 47 }; 48 49 struct ir2_shader_info { 50 /* compiler shader */ 51 uint32_t *dwords; 52 53 /* size of the compiled shader in dwords */ 54 uint16_t sizedwords; 55 56 /* highest GPR # used by shader */ 57 int8_t max_reg; 58 59 /* offset in dwords of first MEMORY export CF (for a20x hw binning) */ 60 int16_t mem_export_ptr; 61 62 /* fetch instruction info for patching */ 63 uint16_t num_fetch_instrs; 64 struct ir2_fetch_info fetch_info[64]; 65 }; 66 67 struct ir2_frag_linkage { 68 unsigned inputs_count; 69 struct { 70 uint8_t slot; 71 uint8_t ncomp; 72 } inputs[16]; 73 74 /* driver_location of fragcoord.zw, -1 if not used */ 75 int fragcoord; 76 }; 77 78 struct ir2_shader_variant { 79 struct ir2_shader_info info; 80 struct ir2_frag_linkage f; 81 }; 82 83 struct fd2_shader_stateobj; 84 struct tgsi_token; 85 86 void ir2_compile(struct fd2_shader_stateobj *so, unsigned variant, 87 struct fd2_shader_stateobj *fp); 88 89 struct nir_shader *ir2_tgsi_to_nir(const struct tgsi_token *tokens, 90 struct pipe_screen *screen); 91 92 const nir_shader_compiler_options *ir2_get_compiler_options(void); 93 94 int ir2_optimize_nir(nir_shader *s, bool lower); 95 96 #endif /* IR2_H_ */ 97