13a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org/************************************************************************** 23a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org * 33a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. 43a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org * All Rights Reserved. 53a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org * 63a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org * Permission is hereby granted, free of charge, to any person obtaining a 73a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org * copy of this software and associated documentation files (the 83a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org * "Software"), to deal in the Software without restriction, including 93a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org * without limitation the rights to use, copy, modify, merge, publish, 103a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org * distribute, sub license, and/or sell copies of the Software, and to 113a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org * permit persons to whom the Software is furnished to do so, subject to 123a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org * the following conditions: 133a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org * 143a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org * The above copyright notice and this permission notice (including the 153a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org * next paragraph) shall be included in all copies or substantial portions 163a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org * of the Software. 173a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org * 183a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 193a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 203a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. 213a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR 223a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, 233a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE 243a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 253a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org * 263a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org **************************************************************************/ 273a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org 283a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org /* 293a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org * Authors: 303a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org * Keith Whitwell <keith@tungstengraphics.com> 313a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org */ 323a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org 333a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org#ifndef DRAW_PIPE_H 343a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org#define DRAW_PIPE_H 353a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org 363a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org#include "pipe/p_compiler.h" 373a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org#include "draw_private.h" /* for sizeof(vertex_header) */ 383a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org 393a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org 403a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org/** 413a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org * Basic info for a point/line/triangle primitive. 423a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org */ 433a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.orgstruct prim_header { 443a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org float det; /**< front/back face determinant */ 453a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org ushort flags; 463a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org ushort pad; 473a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org struct vertex_header *v[3]; /**< 1 to 3 vertex pointers */ 483a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org}; 493a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org 503a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org 513a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org 523a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org/** 533a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org * Base class for all primitive drawing stages. 543a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org */ 553a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.orgstruct draw_stage 563a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org{ 573a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org struct draw_context *draw; /**< parent context */ 583a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org 593a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org struct draw_stage *next; /**< next stage in pipeline */ 603a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org const char *name; /**< for debugging */ 613a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org 623a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org struct vertex_header **tmp; /**< temp vert storage, such as for clipping */ 633a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org unsigned nr_tmps; 643a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org 653a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org void (*point)( struct draw_stage *, 663a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org struct prim_header * ); 673a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org 683a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org void (*line)( struct draw_stage *, 693a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org struct prim_header * ); 703a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org 713a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org void (*tri)( struct draw_stage *, 723a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org struct prim_header * ); 733a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org 743a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org void (*flush)( struct draw_stage *, 753a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org unsigned flags ); 763a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org 773a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org void (*reset_stipple_counter)( struct draw_stage * ); 783a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org 793a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org void (*destroy)( struct draw_stage * ); 803a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org}; 813a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org 823a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org 833a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.orgextern struct draw_stage *draw_unfilled_stage( struct draw_context *context ); 843a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.orgextern struct draw_stage *draw_twoside_stage( struct draw_context *context ); 853a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.orgextern struct draw_stage *draw_offset_stage( struct draw_context *context ); 863a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.orgextern struct draw_stage *draw_clip_stage( struct draw_context *context ); 873a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.orgextern struct draw_stage *draw_flatshade_stage( struct draw_context *context ); 883a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.orgextern struct draw_stage *draw_cull_stage( struct draw_context *context ); 893a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.orgextern struct draw_stage *draw_stipple_stage( struct draw_context *context ); 903a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.orgextern struct draw_stage *draw_wide_line_stage( struct draw_context *context ); 913a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.orgextern struct draw_stage *draw_wide_point_stage( struct draw_context *context ); 923a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.orgextern struct draw_stage *draw_validate_stage( struct draw_context *context ); 933a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org 943a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org 953a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.orgextern void draw_free_temp_verts( struct draw_stage *stage ); 963a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.orgextern boolean draw_alloc_temp_verts( struct draw_stage *stage, unsigned nr ); 973a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org 983a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.orgextern void draw_reset_vertex_ids( struct draw_context *draw ); 993a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org 1003a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.orgvoid draw_pipe_passthrough_tri(struct draw_stage *stage, struct prim_header *header); 1013a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.orgvoid draw_pipe_passthrough_line(struct draw_stage *stage, struct prim_header *header); 1023a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.orgvoid draw_pipe_passthrough_point(struct draw_stage *stage, struct prim_header *header); 1033a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org 1043a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org 1053a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org 1063a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org/** 1073a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org * Get a writeable copy of a vertex. 1083a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org * \param stage drawing stage info 1093a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org * \param vert the vertex to copy (source) 1103a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org * \param idx index into stage's tmp[] array to put the copy (dest) 1113a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org * \return pointer to the copied vertex 1123a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org */ 1133a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.orgstatic INLINE struct vertex_header * 1143a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.orgdup_vert( struct draw_stage *stage, 1153a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org const struct vertex_header *vert, 1163a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org unsigned idx ) 1173a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org{ 1183a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org struct vertex_header *tmp = stage->tmp[idx]; 1193a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org const uint vsize = sizeof(struct vertex_header) 1203a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org + stage->draw->vs.num_vs_outputs * 4 * sizeof(float); 1213a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org memcpy(tmp, vert, vsize); 1223a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org tmp->vertex_id = UNDEFINED_VERTEX_ID; 1233a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org return tmp; 1243a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org} 1253a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org 1263a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org#endif 127