1 /************************************************************************** 2 * 3 * Copyright 2010 VMware, Inc. 4 * All Rights Reserved. 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a 7 * copy of this software and associated documentation files (the 8 * "Software"), to deal in the Software without restriction, including 9 * without limitation the rights to use, copy, modify, merge, publish, 10 * distribute, sub license, and/or sell copies of the Software, and to 11 * permit persons to whom the Software is furnished to do so, subject to 12 * the following conditions: 13 * 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL 17 * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, 18 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR 19 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE 20 * USE OR OTHER DEALINGS IN THE SOFTWARE. 21 * 22 * The above copyright notice and this permission notice (including the 23 * next paragraph) shall be included in all copies or substantial portions 24 * of the Software. 25 * 26 **************************************************************************/ 27 28 29 #ifndef LP_STATE_FS_H_ 30 #define LP_STATE_FS_H_ 31 32 33 #include "pipe/p_compiler.h" 34 #include "pipe/p_state.h" 35 #include "tgsi/tgsi_scan.h" /* for tgsi_shader_info */ 36 #include "gallivm/lp_bld_sample.h" /* for struct lp_sampler_static_state */ 37 #include "gallivm/lp_bld_tgsi.h" /* for lp_tgsi_info */ 38 #include "lp_bld_interp.h" /* for struct lp_shader_input */ 39 40 41 struct tgsi_token; 42 struct lp_fragment_shader; 43 44 45 /** Indexes into jit_function[] array */ 46 #define RAST_WHOLE 0 47 #define RAST_EDGE_TEST 1 48 49 50 struct lp_sampler_static_state 51 { 52 /* 53 * These attributes are effectively interleaved for more sane key handling. 54 * However, there might be lots of null space if the amount of samplers and 55 * textures isn't the same. 56 */ 57 struct lp_static_sampler_state sampler_state; 58 struct lp_static_texture_state texture_state; 59 }; 60 61 62 struct lp_fragment_shader_variant_key 63 { 64 struct pipe_depth_state depth; 65 struct pipe_stencil_state stencil[2]; 66 struct pipe_blend_state blend; 67 68 struct { 69 unsigned enabled:1; 70 unsigned func:3; 71 } alpha; 72 73 unsigned nr_cbufs:8; 74 unsigned nr_samplers:8; /* actually derivable from just the shader */ 75 unsigned nr_sampler_views:8; /* actually derivable from just the shader */ 76 unsigned flatshade:1; 77 unsigned occlusion_count:1; 78 unsigned resource_1d:1; 79 unsigned depth_clamp:1; 80 81 enum pipe_format zsbuf_format; 82 enum pipe_format cbuf_format[PIPE_MAX_COLOR_BUFS]; 83 84 struct lp_sampler_static_state state[PIPE_MAX_SHADER_SAMPLER_VIEWS]; 85 }; 86 87 88 /** doubly-linked list item */ 89 struct lp_fs_variant_list_item 90 { 91 struct lp_fragment_shader_variant *base; 92 struct lp_fs_variant_list_item *next, *prev; 93 }; 94 95 96 struct lp_fragment_shader_variant 97 { 98 struct lp_fragment_shader_variant_key key; 99 100 boolean opaque; 101 uint8_t ps_inv_multiplier; 102 103 struct gallivm_state *gallivm; 104 105 LLVMTypeRef jit_context_ptr_type; 106 LLVMTypeRef jit_thread_data_ptr_type; 107 LLVMTypeRef jit_linear_context_ptr_type; 108 109 LLVMValueRef function[2]; 110 111 lp_jit_frag_func jit_function[2]; 112 113 /* Total number of LLVM instructions generated */ 114 unsigned nr_instrs; 115 116 struct lp_fs_variant_list_item list_item_global, list_item_local; 117 struct lp_fragment_shader *shader; 118 119 /* For debugging/profiling purposes */ 120 unsigned no; 121 }; 122 123 124 /** Subclass of pipe_shader_state */ 125 struct lp_fragment_shader 126 { 127 struct pipe_shader_state base; 128 129 struct lp_tgsi_info info; 130 131 struct lp_fs_variant_list_item variants; 132 133 struct draw_fragment_shader *draw_data; 134 135 /* For debugging/profiling purposes */ 136 unsigned variant_key_size; 137 unsigned no; 138 unsigned variants_created; 139 unsigned variants_cached; 140 141 /** Fragment shader input interpolation info */ 142 struct lp_shader_input inputs[PIPE_MAX_SHADER_INPUTS]; 143 }; 144 145 146 void 147 lp_debug_fs_variant(const struct lp_fragment_shader_variant *variant); 148 149 void 150 llvmpipe_remove_shader_variant(struct llvmpipe_context *lp, 151 struct lp_fragment_shader_variant *variant); 152 153 boolean 154 llvmpipe_rasterization_disabled(struct llvmpipe_context *lp); 155 156 157 #endif /* LP_STATE_FS_H_ */ 158