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 above copyright notice and this permission notice (including the 15 * next paragraph) shall be included in all copies or substantial portions 16 * of the Software. 17 * 18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. 21 * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR 22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, 23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE 24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 25 * 26 **************************************************************************/ 27 28 #ifndef DRAW_LLVM_H 29 #define DRAW_LLVM_H 30 31 #include "draw/draw_private.h" 32 33 #include "draw/draw_vs.h" 34 #include "gallivm/lp_bld_sample.h" 35 36 #include "pipe/p_context.h" 37 #include "util/u_simple_list.h" 38 39 40 struct draw_llvm; 41 struct llvm_vertex_shader; 42 43 struct draw_jit_texture 44 { 45 uint32_t width; 46 uint32_t height; 47 uint32_t depth; 48 uint32_t first_level; 49 uint32_t last_level; 50 uint32_t row_stride[PIPE_MAX_TEXTURE_LEVELS]; 51 uint32_t img_stride[PIPE_MAX_TEXTURE_LEVELS]; 52 const void *data[PIPE_MAX_TEXTURE_LEVELS]; 53 float min_lod; 54 float max_lod; 55 float lod_bias; 56 float border_color[4]; 57 }; 58 59 enum { 60 DRAW_JIT_TEXTURE_WIDTH = 0, 61 DRAW_JIT_TEXTURE_HEIGHT, 62 DRAW_JIT_TEXTURE_DEPTH, 63 DRAW_JIT_TEXTURE_FIRST_LEVEL, 64 DRAW_JIT_TEXTURE_LAST_LEVEL, 65 DRAW_JIT_TEXTURE_ROW_STRIDE, 66 DRAW_JIT_TEXTURE_IMG_STRIDE, 67 DRAW_JIT_TEXTURE_DATA, 68 DRAW_JIT_TEXTURE_MIN_LOD, 69 DRAW_JIT_TEXTURE_MAX_LOD, 70 DRAW_JIT_TEXTURE_LOD_BIAS, 71 DRAW_JIT_TEXTURE_BORDER_COLOR, 72 DRAW_JIT_TEXTURE_NUM_FIELDS /* number of fields above */ 73 }; 74 75 enum { 76 DRAW_JIT_VERTEX_VERTEX_ID = 0, 77 DRAW_JIT_VERTEX_CLIP, 78 DRAW_JIT_VERTEX_PRE_CLIP_POS, 79 DRAW_JIT_VERTEX_DATA 80 }; 81 82 /** 83 * This structure is passed directly to the generated vertex shader. 84 * 85 * It contains the derived state. 86 * 87 * Changes here must be reflected in the draw_jit_context_* macros. 88 * Changes to the ordering should be avoided. 89 * 90 * Only use types with a clear size and padding here, in particular prefer the 91 * stdint.h types to the basic integer types. 92 */ 93 struct draw_jit_context 94 { 95 const float *vs_constants; 96 const float *gs_constants; 97 float (*planes) [DRAW_TOTAL_CLIP_PLANES][4]; 98 float *viewport; 99 100 struct draw_jit_texture textures[PIPE_MAX_SAMPLERS]; 101 }; 102 103 104 #define draw_jit_context_vs_constants(_gallivm, _ptr) \ 105 lp_build_struct_get(_gallivm, _ptr, 0, "vs_constants") 106 107 #define draw_jit_context_gs_constants(_gallivm, _ptr) \ 108 lp_build_struct_get(_gallivm, _ptr, 1, "gs_constants") 109 110 #define draw_jit_context_planes(_gallivm, _ptr) \ 111 lp_build_struct_get(_gallivm, _ptr, 2, "planes") 112 113 #define draw_jit_context_viewport(_gallivm, _ptr) \ 114 lp_build_struct_get(_gallivm, _ptr, 3, "viewport") 115 116 #define DRAW_JIT_CTX_TEXTURES 4 117 118 #define draw_jit_context_textures(_gallivm, _ptr) \ 119 lp_build_struct_get_ptr(_gallivm, _ptr, DRAW_JIT_CTX_TEXTURES, "textures") 120 121 #define draw_jit_header_id(_gallivm, _ptr) \ 122 lp_build_struct_get_ptr(_gallivm, _ptr, DRAW_JIT_VERTEX_VERTEX_ID, "id") 123 124 #define draw_jit_header_clip(_gallivm, _ptr) \ 125 lp_build_struct_get_ptr(_gallivm, _ptr, DRAW_JIT_VERTEX_CLIP, "clip") 126 127 #define draw_jit_header_pre_clip_pos(_gallivm, _ptr) \ 128 lp_build_struct_get_ptr(_gallivm, _ptr, DRAW_JIT_VERTEX_PRE_CLIP_POS, "pre_clip_pos") 129 130 #define draw_jit_header_data(_gallivm, _ptr) \ 131 lp_build_struct_get_ptr(_gallivm, _ptr, DRAW_JIT_VERTEX_DATA, "data") 132 133 134 #define draw_jit_vbuffer_stride(_gallivm, _ptr) \ 135 lp_build_struct_get(_gallivm, _ptr, 0, "stride") 136 137 #define draw_jit_vbuffer_offset(_gallivm, _ptr) \ 138 lp_build_struct_get(_gallivm, _ptr, 1, "buffer_offset") 139 140 141 typedef int 142 (*draw_jit_vert_func)(struct draw_jit_context *context, 143 struct vertex_header *io, 144 const char *vbuffers[PIPE_MAX_ATTRIBS], 145 unsigned start, 146 unsigned count, 147 unsigned stride, 148 struct pipe_vertex_buffer *vertex_buffers, 149 unsigned instance_id); 150 151 152 typedef int 153 (*draw_jit_vert_func_elts)(struct draw_jit_context *context, 154 struct vertex_header *io, 155 const char *vbuffers[PIPE_MAX_ATTRIBS], 156 const unsigned *fetch_elts, 157 unsigned fetch_count, 158 unsigned stride, 159 struct pipe_vertex_buffer *vertex_buffers, 160 unsigned instance_id); 161 162 struct draw_llvm_variant_key 163 { 164 unsigned nr_vertex_elements:8; 165 unsigned nr_samplers:8; 166 unsigned clamp_vertex_color:1; 167 unsigned clip_xy:1; 168 unsigned clip_z:1; 169 unsigned clip_user:1; 170 unsigned clip_halfz:1; 171 unsigned bypass_viewport:1; 172 unsigned need_edgeflags:1; 173 unsigned ucp_enable:PIPE_MAX_CLIP_PLANES; 174 unsigned pad:9-PIPE_MAX_CLIP_PLANES; 175 176 /* Variable number of vertex elements: 177 */ 178 struct pipe_vertex_element vertex_element[1]; 179 180 /* Followed by variable number of samplers: 181 */ 182 /* struct lp_sampler_static_state sampler; */ 183 }; 184 185 #define DRAW_LLVM_MAX_VARIANT_KEY_SIZE \ 186 (sizeof(struct draw_llvm_variant_key) + \ 187 PIPE_MAX_SAMPLERS * sizeof(struct lp_sampler_static_state) + \ 188 (PIPE_MAX_ATTRIBS-1) * sizeof(struct pipe_vertex_element)) 189 190 191 static INLINE size_t 192 draw_llvm_variant_key_size(unsigned nr_vertex_elements, 193 unsigned nr_samplers) 194 { 195 return (sizeof(struct draw_llvm_variant_key) + 196 nr_samplers * sizeof(struct lp_sampler_static_state) + 197 (nr_vertex_elements - 1) * sizeof(struct pipe_vertex_element)); 198 } 199 200 201 static INLINE struct lp_sampler_static_state * 202 draw_llvm_variant_key_samplers(struct draw_llvm_variant_key *key) 203 { 204 return (struct lp_sampler_static_state *) 205 &key->vertex_element[key->nr_vertex_elements]; 206 } 207 208 209 210 struct draw_llvm_variant_list_item 211 { 212 struct draw_llvm_variant *base; 213 struct draw_llvm_variant_list_item *next, *prev; 214 }; 215 216 struct draw_llvm_variant 217 { 218 struct gallivm_state *gallivm; 219 220 /* LLVM JIT builder types */ 221 LLVMTypeRef context_ptr_type; 222 LLVMTypeRef buffer_ptr_type; 223 LLVMTypeRef vb_ptr_type; 224 LLVMTypeRef vertex_header_ptr_type; 225 226 LLVMValueRef function; 227 LLVMValueRef function_elts; 228 draw_jit_vert_func jit_func; 229 draw_jit_vert_func_elts jit_func_elts; 230 231 struct llvm_vertex_shader *shader; 232 233 struct draw_llvm *llvm; 234 struct draw_llvm_variant_list_item list_item_global; 235 struct draw_llvm_variant_list_item list_item_local; 236 237 /* key is variable-sized, must be last */ 238 struct draw_llvm_variant_key key; 239 }; 240 241 struct llvm_vertex_shader { 242 struct draw_vertex_shader base; 243 244 unsigned variant_key_size; 245 struct draw_llvm_variant_list_item variants; 246 unsigned variants_created; 247 unsigned variants_cached; 248 }; 249 250 struct draw_llvm { 251 struct draw_context *draw; 252 253 struct draw_jit_context jit_context; 254 255 struct draw_llvm_variant_list_item vs_variants_list; 256 int nr_variants; 257 }; 258 259 260 static INLINE struct llvm_vertex_shader * 261 llvm_vertex_shader(struct draw_vertex_shader *vs) 262 { 263 return (struct llvm_vertex_shader *)vs; 264 } 265 266 267 struct draw_llvm * 268 draw_llvm_create(struct draw_context *draw); 269 270 void 271 draw_llvm_destroy(struct draw_llvm *llvm); 272 273 struct draw_llvm_variant * 274 draw_llvm_create_variant(struct draw_llvm *llvm, 275 unsigned num_vertex_header_attribs, 276 const struct draw_llvm_variant_key *key); 277 278 void 279 draw_llvm_destroy_variant(struct draw_llvm_variant *variant); 280 281 struct draw_llvm_variant_key * 282 draw_llvm_make_variant_key(struct draw_llvm *llvm, char *store); 283 284 struct lp_build_sampler_soa * 285 draw_llvm_sampler_soa_create(const struct lp_sampler_static_state *static_state, 286 LLVMValueRef context_ptr); 287 288 void 289 draw_llvm_set_sampler_state(struct draw_context *draw); 290 291 void 292 draw_llvm_set_mapped_texture(struct draw_context *draw, 293 unsigned sampler_idx, 294 uint32_t width, uint32_t height, uint32_t depth, 295 uint32_t first_level, uint32_t last_level, 296 uint32_t row_stride[PIPE_MAX_TEXTURE_LEVELS], 297 uint32_t img_stride[PIPE_MAX_TEXTURE_LEVELS], 298 const void *data[PIPE_MAX_TEXTURE_LEVELS]); 299 300 #endif 301
