1 2 /************************************************************************** 3 * 4 * Copyright 2007 VMware, Inc. 5 * All Rights Reserved. 6 * 7 * Permission is hereby granted, free of charge, to any person obtaining a 8 * copy of this software and associated documentation files (the 9 * "Software"), to deal in the Software without restriction, including 10 * without limitation the rights to use, copy, modify, merge, publish, 11 * distribute, sub license, and/or sell copies of the Software, and to 12 * permit persons to whom the Software is furnished to do so, subject to 13 * the following conditions: 14 * 15 * The above copyright notice and this permission notice (including the 16 * next paragraph) shall be included in all copies or substantial portions 17 * of the Software. 18 * 19 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 20 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 21 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. 22 * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR 23 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, 24 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE 25 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 26 * 27 **************************************************************************/ 28 29 /** 30 * \brief Public interface into the drawing module. 31 */ 32 33 /* Authors: Keith Whitwell <keithw@vmware.com> 34 */ 35 36 37 #ifndef DRAW_CONTEXT_H 38 #define DRAW_CONTEXT_H 39 40 41 #include "pipe/p_state.h" 42 43 struct pipe_context; 44 struct draw_context; 45 struct draw_stage; 46 struct draw_vertex_shader; 47 struct draw_geometry_shader; 48 struct draw_tess_ctrl_shader; 49 struct draw_tess_eval_shader; 50 struct draw_fragment_shader; 51 struct tgsi_sampler; 52 struct tgsi_image; 53 struct tgsi_buffer; 54 55 /* 56 * structure to contain driver internal information 57 * for stream out support. mapping stores the pointer 58 * to the buffer contents, and internal offset stores 59 * an internal counter to how much of the stream 60 * out buffer is used (in bytes). 61 */ 62 struct draw_so_target { 63 struct pipe_stream_output_target target; 64 void *mapping; 65 int internal_offset; 66 }; 67 68 bool draw_has_llvm(void); 69 70 struct draw_context *draw_create( struct pipe_context *pipe ); 71 72 #ifdef LLVM_AVAILABLE 73 struct draw_context *draw_create_with_llvm_context(struct pipe_context *pipe, 74 void *context); 75 #endif 76 77 struct draw_context *draw_create_no_llvm(struct pipe_context *pipe); 78 79 void draw_destroy( struct draw_context *draw ); 80 81 void draw_flush(struct draw_context *draw); 82 83 void draw_set_viewport_states( struct draw_context *draw, 84 unsigned start_slot, 85 unsigned num_viewports, 86 const struct pipe_viewport_state *viewports ); 87 88 void draw_set_clip_state( struct draw_context *pipe, 89 const struct pipe_clip_state *clip ); 90 91 /** 92 * Sets the rasterization state used by the draw module. 93 * The rast_handle is used to pass the driver specific representation 94 * of the rasterization state. It's going to be used when the 95 * draw module sets the state back on the driver itself using the 96 * pipe::bind_rasterizer_state method. 97 * 98 * NOTE: if you're calling this function from within the pipe's 99 * bind_rasterizer_state you should always call it before binding 100 * the actual state - that's because the draw module can try to 101 * bind its own rasterizer state which would reset your newly 102 * set state. i.e. always do 103 * draw_set_rasterizer_state(driver->draw, state->pipe_state, state); 104 * driver->state.raster = state; 105 */ 106 void draw_set_rasterizer_state( struct draw_context *draw, 107 const struct pipe_rasterizer_state *raster, 108 void *rast_handle ); 109 110 void draw_set_rasterize_stage( struct draw_context *draw, 111 struct draw_stage *stage ); 112 113 void draw_wide_point_threshold(struct draw_context *draw, float threshold); 114 115 void draw_wide_point_sprites(struct draw_context *draw, boolean draw_sprite); 116 117 void draw_wide_line_threshold(struct draw_context *draw, float threshold); 118 119 void draw_enable_line_stipple(struct draw_context *draw, boolean enable); 120 121 void draw_enable_point_sprites(struct draw_context *draw, boolean enable); 122 123 void draw_set_zs_format(struct draw_context *draw, enum pipe_format format); 124 125 /* for TGSI constants are 4 * sizeof(float), but for NIR they need to be sizeof(float); */ 126 void draw_set_constant_buffer_stride(struct draw_context *draw, unsigned num_bytes); 127 128 boolean 129 draw_install_aaline_stage(struct draw_context *draw, struct pipe_context *pipe); 130 131 boolean 132 draw_install_aapoint_stage(struct draw_context *draw, struct pipe_context *pipe); 133 134 boolean 135 draw_install_pstipple_stage(struct draw_context *draw, struct pipe_context *pipe); 136 137 138 struct tgsi_shader_info * 139 draw_get_shader_info(const struct draw_context *draw); 140 141 void 142 draw_prepare_shader_outputs(struct draw_context *draw); 143 144 int 145 draw_find_shader_output(const struct draw_context *draw, 146 uint semantic_name, uint semantic_index); 147 148 boolean 149 draw_will_inject_frontface(const struct draw_context *draw); 150 151 uint 152 draw_num_shader_outputs(const struct draw_context *draw); 153 154 uint 155 draw_total_vs_outputs(const struct draw_context *draw); 156 157 uint 158 draw_total_gs_outputs(const struct draw_context *draw); 159 160 uint 161 draw_total_tcs_outputs(const struct draw_context *draw); 162 163 uint 164 draw_total_tes_outputs(const struct draw_context *draw); 165 166 void 167 draw_texture_sampler(struct draw_context *draw, 168 enum pipe_shader_type shader_type, 169 struct tgsi_sampler *sampler); 170 171 void 172 draw_image(struct draw_context *draw, 173 enum pipe_shader_type shader_type, 174 struct tgsi_image *image); 175 176 void 177 draw_buffer(struct draw_context *draw, 178 enum pipe_shader_type shader_type, 179 struct tgsi_buffer *buffer); 180 181 void 182 draw_set_sampler_views(struct draw_context *draw, 183 enum pipe_shader_type shader_stage, 184 struct pipe_sampler_view **views, 185 unsigned num); 186 void 187 draw_set_samplers(struct draw_context *draw, 188 enum pipe_shader_type shader_stage, 189 struct pipe_sampler_state **samplers, 190 unsigned num); 191 192 void 193 draw_set_images(struct draw_context *draw, 194 enum pipe_shader_type shader_stage, 195 struct pipe_image_view *images, 196 unsigned num); 197 198 void 199 draw_set_mapped_texture(struct draw_context *draw, 200 enum pipe_shader_type shader_stage, 201 unsigned sview_idx, 202 uint32_t width, uint32_t height, uint32_t depth, 203 uint32_t first_level, uint32_t last_level, 204 uint32_t num_samples, 205 uint32_t sample_stride, 206 const void *base, 207 uint32_t row_stride[PIPE_MAX_TEXTURE_LEVELS], 208 uint32_t img_stride[PIPE_MAX_TEXTURE_LEVELS], 209 uint32_t mip_offsets[PIPE_MAX_TEXTURE_LEVELS]); 210 211 void 212 draw_set_mapped_image(struct draw_context *draw, 213 enum pipe_shader_type shader_stage, 214 unsigned idx, 215 uint32_t width, uint32_t height, uint32_t depth, 216 const void *base_ptr, 217 uint32_t row_stride, 218 uint32_t img_stride, 219 uint32_t num_samples, 220 uint32_t sample_stride); 221 222 /* 223 * Vertex shader functions 224 */ 225 226 struct draw_vertex_shader * 227 draw_create_vertex_shader(struct draw_context *draw, 228 const struct pipe_shader_state *shader); 229 void draw_bind_vertex_shader(struct draw_context *draw, 230 struct draw_vertex_shader *dvs); 231 void draw_delete_vertex_shader(struct draw_context *draw, 232 struct draw_vertex_shader *dvs); 233 void draw_vs_attach_so(struct draw_vertex_shader *dvs, 234 const struct pipe_stream_output_info *info); 235 void draw_vs_reset_so(struct draw_vertex_shader *dvs); 236 237 238 /* 239 * Fragment shader functions 240 */ 241 struct draw_fragment_shader * 242 draw_create_fragment_shader(struct draw_context *draw, 243 const struct pipe_shader_state *shader); 244 void draw_bind_fragment_shader(struct draw_context *draw, 245 struct draw_fragment_shader *dvs); 246 void draw_delete_fragment_shader(struct draw_context *draw, 247 struct draw_fragment_shader *dvs); 248 249 /* 250 * Geometry shader functions 251 */ 252 struct draw_geometry_shader * 253 draw_create_geometry_shader(struct draw_context *draw, 254 const struct pipe_shader_state *shader); 255 void draw_bind_geometry_shader(struct draw_context *draw, 256 struct draw_geometry_shader *dvs); 257 void draw_delete_geometry_shader(struct draw_context *draw, 258 struct draw_geometry_shader *dvs); 259 260 /* 261 * Tess shader functions 262 */ 263 struct draw_tess_ctrl_shader * 264 draw_create_tess_ctrl_shader(struct draw_context *draw, 265 const struct pipe_shader_state *shader); 266 void draw_bind_tess_ctrl_shader(struct draw_context *draw, 267 struct draw_tess_ctrl_shader *dvs); 268 void draw_delete_tess_ctrl_shader(struct draw_context *draw, 269 struct draw_tess_ctrl_shader *dvs); 270 struct draw_tess_eval_shader * 271 draw_create_tess_eval_shader(struct draw_context *draw, 272 const struct pipe_shader_state *shader); 273 void draw_bind_tess_eval_shader(struct draw_context *draw, 274 struct draw_tess_eval_shader *dvs); 275 void draw_delete_tess_eval_shader(struct draw_context *draw, 276 struct draw_tess_eval_shader *dvs); 277 void draw_set_tess_state(struct draw_context *draw, 278 const float default_outer_level[4], 279 const float default_inner_level[2]); 280 281 /* 282 * Vertex data functions 283 */ 284 285 void draw_set_vertex_buffers(struct draw_context *draw, 286 unsigned start_slot, unsigned count, 287 const struct pipe_vertex_buffer *buffers); 288 289 void draw_set_vertex_elements(struct draw_context *draw, 290 unsigned count, 291 const struct pipe_vertex_element *elements); 292 293 void draw_set_indexes(struct draw_context *draw, 294 const void *elements, unsigned elem_size, 295 unsigned available_space); 296 297 void draw_set_mapped_vertex_buffer(struct draw_context *draw, 298 unsigned attr, const void *buffer, 299 size_t size); 300 301 void 302 draw_set_mapped_constant_buffer(struct draw_context *draw, 303 enum pipe_shader_type shader_type, 304 unsigned slot, 305 const void *buffer, 306 unsigned size); 307 308 void 309 draw_set_mapped_shader_buffer(struct draw_context *draw, 310 enum pipe_shader_type shader_type, 311 unsigned slot, 312 const void *buffer, 313 unsigned size); 314 315 void 316 draw_set_mapped_so_targets(struct draw_context *draw, 317 int num_targets, 318 struct draw_so_target *targets[PIPE_MAX_SO_BUFFERS]); 319 320 321 /*********************************************************************** 322 * draw_pt.c 323 */ 324 325 void draw_vbo(struct draw_context *draw, 326 const struct pipe_draw_info *info); 327 328 329 /******************************************************************************* 330 * Driver backend interface 331 */ 332 struct vbuf_render; 333 void draw_set_render( struct draw_context *draw, 334 struct vbuf_render *render ); 335 336 void draw_set_driver_clipping( struct draw_context *draw, 337 boolean bypass_clip_xy, 338 boolean bypass_clip_z, 339 boolean guard_band_xy, 340 boolean bypass_clip_points); 341 342 void draw_set_force_passthrough( struct draw_context *draw, 343 boolean enable ); 344 345 346 /******************************************************************************* 347 * Draw statistics 348 */ 349 void draw_collect_pipeline_statistics(struct draw_context *draw, 350 boolean enable); 351 352 void draw_collect_primitives_generated(struct draw_context *draw, 353 bool eanble); 354 355 /******************************************************************************* 356 * Draw pipeline 357 */ 358 boolean draw_need_pipeline(const struct draw_context *draw, 359 const struct pipe_rasterizer_state *rasterizer, 360 unsigned prim ); 361 362 int 363 draw_get_shader_param(enum pipe_shader_type shader, enum pipe_shader_cap param); 364 365 int 366 draw_get_shader_param_no_llvm(enum pipe_shader_type shader, 367 enum pipe_shader_cap param); 368 369 boolean 370 draw_get_option_use_llvm(void); 371 372 struct lp_cached_code; 373 void 374 draw_set_disk_cache_callbacks(struct draw_context *draw, 375 void *data_cookie, 376 void (*find_shader)(void *cookie, 377 struct lp_cached_code *cache, 378 unsigned char ir_sha1_cache_key[20]), 379 void (*insert_shader)(void *cookie, 380 struct lp_cached_code *cache, 381 unsigned char ir_sha1_cache_key[20])); 382 #endif /* DRAW_CONTEXT_H */ 383