1 /* 2 * Copyright © 2017 Intel Corporation 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 20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS 21 * IN THE SOFTWARE. 22 */ 23 24 #ifndef GL_NIR_LINKER_H 25 #define GL_NIR_LINKER_H 26 27 #include <stdbool.h> 28 29 #include "nir.h" 30 #include "util/glheader.h" 31 #include "main/menums.h" 32 33 #ifdef __cplusplus 34 extern "C" { 35 #endif 36 37 struct gl_constants; 38 struct gl_context; 39 struct gl_extensions; 40 struct gl_linked_shader; 41 struct gl_shader_program; 42 struct gl_program; 43 struct gl_transform_feedback_info; 44 struct xfb_decl; 45 struct nir_xfb_info; 46 47 struct gl_nir_linker_options { 48 bool fill_parameters; 49 }; 50 51 #define nir_foreach_gl_uniform_variable(var, shader) \ 52 nir_foreach_variable_with_modes(var, shader, nir_var_uniform | \ 53 nir_var_mem_ubo | \ 54 nir_var_mem_ssbo | \ 55 nir_var_image) 56 57 void gl_nir_opts(nir_shader *nir); 58 59 void gl_nir_detect_recursion_linked(struct gl_shader_program *prog, 60 nir_shader *shader); 61 62 bool gl_nir_link_spirv(const struct gl_constants *consts, 63 const struct gl_extensions *exts, 64 struct gl_shader_program *prog, 65 const struct gl_nir_linker_options *options); 66 67 bool gl_nir_link_glsl(struct gl_context *ctx, 68 struct gl_shader_program *prog); 69 70 bool gl_nir_link_uniforms(const struct gl_constants *consts, 71 struct gl_shader_program *prog, 72 bool fill_parameters); 73 74 bool gl_nir_link_varyings(const struct gl_constants *consts, 75 const struct gl_extensions *exts, 76 gl_api api, struct gl_shader_program *prog); 77 78 const char * gl_nir_mode_string(const nir_variable *var); 79 80 bool gl_nir_validate_intrastage_arrays(struct gl_shader_program *prog, 81 nir_variable *var, 82 nir_variable *existing, 83 unsigned existing_stage, 84 bool match_precision); 85 86 struct nir_xfb_info * 87 gl_to_nir_xfb_info(struct gl_transform_feedback_info *info, void *mem_ctx); 88 89 nir_variable * gl_nir_lower_xfb_varying(nir_shader *shader, 90 const char *old_var_name, 91 nir_variable *toplevel_var); 92 93 void gl_nir_opt_dead_builtin_varyings(const struct gl_constants *consts, 94 gl_api api, 95 struct gl_shader_program *prog, 96 struct gl_linked_shader *producer, 97 struct gl_linked_shader *consumer, 98 unsigned num_tfeedback_decls, 99 struct xfb_decl *tfeedback_decls); 100 101 void gl_nir_set_uniform_initializers(const struct gl_constants *consts, 102 struct gl_shader_program *prog); 103 104 bool nir_add_packed_var_to_resource_list(const struct gl_constants *consts, 105 struct gl_shader_program *shProg, 106 struct set *resource_set, 107 nir_variable *var, 108 unsigned stage, GLenum type); 109 110 void 111 init_program_resource_list(struct gl_shader_program *prog); 112 113 void nir_build_program_resource_list(const struct gl_constants *consts, 114 struct gl_shader_program *prog, 115 bool rebuild_resourse_list); 116 117 void gl_nir_link_assign_atomic_counter_resources(const struct gl_constants *consts, 118 struct gl_shader_program *prog); 119 120 void gl_nir_link_check_atomic_counter_resources(const struct gl_constants *consts, 121 struct gl_shader_program *prog); 122 123 void gl_nir_link_assign_xfb_resources(const struct gl_constants *consts, 124 struct gl_shader_program *prog); 125 126 void gl_nir_validate_interstage_inout_blocks(struct gl_shader_program *prog, 127 const struct gl_linked_shader *producer, 128 const struct gl_linked_shader *consumer); 129 130 void gl_nir_validate_interstage_uniform_blocks(struct gl_shader_program *prog, 131 struct gl_linked_shader **stages); 132 133 bool gl_nir_link_uniform_blocks(const struct gl_constants *consts, 134 struct gl_shader_program *prog); 135 136 bool 137 gl_nir_can_add_pointsize_to_program(const struct gl_constants *consts, 138 struct gl_program *prog); 139 140 bool 141 gl_nir_add_point_size(struct nir_shader *nir); 142 143 bool lower_packed_varying_needs_lowering(nir_shader *shader, nir_variable *var, 144 bool xfb_enabled, 145 bool disable_xfb_packing, 146 bool disable_varying_packing); 147 148 void 149 gl_nir_lower_optimize_varyings(const struct gl_constants *consts, 150 struct gl_shader_program *prog, bool spirv); 151 152 #ifdef __cplusplus 153 } /* extern "C" */ 154 #endif 155 156 #endif /* GL_NIR_LINKER_H */ 157