1f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/************************************************************************** 2f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 3f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. 4f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * All Rights Reserved. 5f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 6f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Permission is hereby granted, free of charge, to any person obtaining a 7f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * copy of this software and associated documentation files (the 8f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * "Software"), to deal in the Software without restriction, including 9f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * without limitation the rights to use, copy, modify, merge, publish, 10f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * distribute, sub license, and/or sell copies of the Software, and to 11f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * permit persons to whom the Software is furnished to do so, subject to 12f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * the following conditions: 13f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 14f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * The above copyright notice and this permission notice (including the 15f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * next paragraph) shall be included in all copies or substantial portions 16f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * of the Software. 17f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 18f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 19f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 20f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. 21f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR 22f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, 23f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE 24f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 25f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 26f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org **************************************************************************/ 27f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 28f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* 29f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Authors: 30f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Keith Whitwell <keith@tungstengraphics.com> 31f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 32f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 33f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "draw/draw_private.h" 34f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "draw/draw_pipe.h" 35f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "util/u_debug.h" 36f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 37f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 38f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 39f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgboolean draw_pipeline_init( struct draw_context *draw ) 40f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 41f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* create pipeline stages */ 42f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org draw->pipeline.wide_line = draw_wide_line_stage( draw ); 43f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org draw->pipeline.wide_point = draw_wide_point_stage( draw ); 44f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org draw->pipeline.stipple = draw_stipple_stage( draw ); 45f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org draw->pipeline.unfilled = draw_unfilled_stage( draw ); 46f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org draw->pipeline.twoside = draw_twoside_stage( draw ); 47f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org draw->pipeline.offset = draw_offset_stage( draw ); 48f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org draw->pipeline.clip = draw_clip_stage( draw ); 49f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org draw->pipeline.flatshade = draw_flatshade_stage( draw ); 50f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org draw->pipeline.cull = draw_cull_stage( draw ); 51f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org draw->pipeline.validate = draw_validate_stage( draw ); 52f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org draw->pipeline.first = draw->pipeline.validate; 53f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 54f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (!draw->pipeline.wide_line || 55f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org !draw->pipeline.wide_point || 56f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org !draw->pipeline.stipple || 57f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org !draw->pipeline.unfilled || 58f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org !draw->pipeline.twoside || 59f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org !draw->pipeline.offset || 60f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org !draw->pipeline.clip || 61f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org !draw->pipeline.flatshade || 62f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org !draw->pipeline.cull || 63f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org !draw->pipeline.validate) 64f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return FALSE; 65f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 66f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* these defaults are oriented toward the needs of softpipe */ 67f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org draw->pipeline.wide_point_threshold = 1000000.0f; /* infinity */ 68f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org draw->pipeline.wide_line_threshold = 1.0f; 69f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org draw->pipeline.wide_point_sprites = FALSE; 70f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org draw->pipeline.line_stipple = TRUE; 71f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org draw->pipeline.point_sprite = TRUE; 72f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 73f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return TRUE; 74f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 75f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 76f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 77f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgvoid draw_pipeline_destroy( struct draw_context *draw ) 78f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 79f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (draw->pipeline.wide_line) 80f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org draw->pipeline.wide_line->destroy( draw->pipeline.wide_line ); 81f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (draw->pipeline.wide_point) 82f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org draw->pipeline.wide_point->destroy( draw->pipeline.wide_point ); 83f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (draw->pipeline.stipple) 84f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org draw->pipeline.stipple->destroy( draw->pipeline.stipple ); 85f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (draw->pipeline.unfilled) 86f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org draw->pipeline.unfilled->destroy( draw->pipeline.unfilled ); 87f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (draw->pipeline.twoside) 88f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org draw->pipeline.twoside->destroy( draw->pipeline.twoside ); 89f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (draw->pipeline.offset) 90f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org draw->pipeline.offset->destroy( draw->pipeline.offset ); 91f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (draw->pipeline.clip) 92f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org draw->pipeline.clip->destroy( draw->pipeline.clip ); 93f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (draw->pipeline.flatshade) 94f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org draw->pipeline.flatshade->destroy( draw->pipeline.flatshade ); 95f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (draw->pipeline.cull) 96f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org draw->pipeline.cull->destroy( draw->pipeline.cull ); 97f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (draw->pipeline.validate) 98f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org draw->pipeline.validate->destroy( draw->pipeline.validate ); 99f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (draw->pipeline.aaline) 100f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org draw->pipeline.aaline->destroy( draw->pipeline.aaline ); 101f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (draw->pipeline.aapoint) 102f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org draw->pipeline.aapoint->destroy( draw->pipeline.aapoint ); 103f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (draw->pipeline.pstipple) 104f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org draw->pipeline.pstipple->destroy( draw->pipeline.pstipple ); 105f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (draw->pipeline.rasterize) 106f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org draw->pipeline.rasterize->destroy( draw->pipeline.rasterize ); 107f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 108f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 109f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 110f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 111f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/** 112f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Build primitive to render a point with vertex at v0. 113f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 114f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic void do_point( struct draw_context *draw, 115f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org const char *v0 ) 116f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 117f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct prim_header prim; 118f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 119f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org prim.flags = 0; 120f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org prim.pad = 0; 121f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org prim.v[0] = (struct vertex_header *)v0; 122f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 123f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org draw->pipeline.first->point( draw->pipeline.first, &prim ); 124f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 125f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 126f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 127f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/** 128f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Build primitive to render a line with vertices at v0, v1. 129f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * \param flags bitmask of DRAW_PIPE_EDGE_x, DRAW_PIPE_RESET_STIPPLE 130f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 131f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic void do_line( struct draw_context *draw, 132f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ushort flags, 133f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org const char *v0, 134f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org const char *v1 ) 135f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 136f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct prim_header prim; 137f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 138f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org prim.flags = flags; 139f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org prim.pad = 0; 140f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org prim.v[0] = (struct vertex_header *)v0; 141f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org prim.v[1] = (struct vertex_header *)v1; 142f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 143f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org draw->pipeline.first->line( draw->pipeline.first, &prim ); 144f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 145f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 146f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 147f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/** 148f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Build primitive to render a triangle with vertices at v0, v1, v2. 149f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * \param flags bitmask of DRAW_PIPE_EDGE_x, DRAW_PIPE_RESET_STIPPLE 150f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 151f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic void do_triangle( struct draw_context *draw, 152f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ushort flags, 153f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org char *v0, 154f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org char *v1, 155f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org char *v2 ) 156f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 157f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct prim_header prim; 158f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 159f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org prim.v[0] = (struct vertex_header *)v0; 160f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org prim.v[1] = (struct vertex_header *)v1; 161f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org prim.v[2] = (struct vertex_header *)v2; 162f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org prim.flags = flags; 163f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org prim.pad = 0; 164f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 165f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org draw->pipeline.first->tri( draw->pipeline.first, &prim ); 166f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 167f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 168f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 169f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/* 170f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Set up macros for draw_pt_decompose.h template code. 171f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * This code uses vertex indexes / elements. 172f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 173f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 174f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#define TRIANGLE(flags,i0,i1,i2) \ 175f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org do { \ 176f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org do_triangle( draw, \ 177f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org flags, \ 178f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org verts + stride * (i0), \ 179f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org verts + stride * (i1), \ 180f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org verts + stride * (i2) ); \ 181f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } while (0) 182f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 183f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#define LINE(flags,i0,i1) \ 184f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org do { \ 185f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org do_line( draw, \ 186f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org flags, \ 187f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org verts + stride * (i0), \ 188f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org verts + stride * (i1) ); \ 189f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } while (0) 190f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 191f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#define POINT(i0) \ 192f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org do { \ 193f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org do_point( draw, verts + stride * (i0) ); \ 194f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } while (0) 195f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 196f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#define GET_ELT(idx) (elts[idx]) 197f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 198f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#define FUNC pipe_run_elts 199f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#define FUNC_VARS \ 200f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct draw_context *draw, \ 201f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned prim, \ 202f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned prim_flags, \ 203f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct vertex_header *vertices, \ 204f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned stride, \ 205f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org const ushort *elts, \ 206f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned count 207f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 208f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "draw_pt_decompose.h" 209f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 210f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 211f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 212f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/** 213f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Code to run the pipeline on a fairly arbitrary collection of vertices. 214f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * For drawing indexed primitives. 215f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 216f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Vertex headers must be pre-initialized with the 217f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * UNDEFINED_VERTEX_ID, this code will cause that id to become 218f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * overwritten, so it may have to be reset if there is the intention 219f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * to reuse the vertices. 220f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 221f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * This code provides a callback to reset the vertex id's which the 222f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * draw_vbuf.c code uses when it has to perform a flush. 223f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 224f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgvoid draw_pipeline_run( struct draw_context *draw, 225f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org const struct draw_vertex_info *vert_info, 226f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org const struct draw_prim_info *prim_info) 227f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 228f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned i, start; 229f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 230f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org draw->pipeline.verts = (char *)vert_info->verts; 231f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org draw->pipeline.vertex_stride = vert_info->stride; 232f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org draw->pipeline.vertex_count = vert_info->count; 233f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 234f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org for (start = i = 0; 235f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org i < prim_info->primitive_count; 236f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org start += prim_info->primitive_lengths[i], i++) 237f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { 238f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org const unsigned count = prim_info->primitive_lengths[i]; 239f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 240f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#if DEBUG 241f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* Warn if one of the element indexes go outside the vertex buffer */ 242f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { 243f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned max_index = 0x0, i; 244f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* find the largest element index */ 245f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org for (i = 0; i < count; i++) { 246f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned int index = prim_info->elts[start + i]; 247f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (index > max_index) 248f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org max_index = index; 249f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 250f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (max_index >= vert_info->count) { 251f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org debug_printf("%s: max_index (%u) outside vertex buffer (%u)\n", 252f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org __FUNCTION__, 253f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org max_index, 254f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org vert_info->count); 255f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 256f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 257f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#endif 258f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 259f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org pipe_run_elts(draw, 260f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org prim_info->prim, 261f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org prim_info->flags, 262f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org vert_info->verts, 263f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org vert_info->stride, 264f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org prim_info->elts + start, 265f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org count); 266f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 267f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 268f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org draw->pipeline.verts = NULL; 269f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org draw->pipeline.vertex_count = 0; 270f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 271f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 272f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 273f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/* 274f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Set up macros for draw_pt_decompose.h template code. 275f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * This code is for non-indexed (aka linear) rendering (no elts). 276f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 277f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 278f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#define TRIANGLE(flags,i0,i1,i2) \ 279f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org do_triangle( draw, flags, \ 280f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org verts + stride * (i0), \ 281f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org verts + stride * (i1), \ 282f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org verts + stride * (i2) ) 283f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 284f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#define LINE(flags,i0,i1) \ 285f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org do_line( draw, flags, \ 286f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org verts + stride * (i0), \ 287f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org verts + stride * (i1) ) 288f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 289f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#define POINT(i0) \ 290f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org do_point( draw, verts + stride * (i0) ) 291f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 292f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 293f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#define GET_ELT(idx) (idx) 294f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 295f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#define FUNC pipe_run_linear 296f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#define FUNC_VARS \ 297f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct draw_context *draw, \ 298f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned prim, \ 299f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned prim_flags, \ 300f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct vertex_header *vertices, \ 301f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned stride, \ 302f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned count 303f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 304f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "draw_pt_decompose.h" 305f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 306f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 307f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/* 308f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * For drawing non-indexed primitives. 309f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 310f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgvoid draw_pipeline_run_linear( struct draw_context *draw, 311f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org const struct draw_vertex_info *vert_info, 312f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org const struct draw_prim_info *prim_info) 313f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 314f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned i, start; 315f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 316f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org for (start = i = 0; 317f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org i < prim_info->primitive_count; 318f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org start += prim_info->primitive_lengths[i], i++) 319f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { 320f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned count = prim_info->primitive_lengths[i]; 321f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org char *verts = ((char*)vert_info->verts) + 322f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org (start * vert_info->stride); 323f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 324f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org draw->pipeline.verts = verts; 325f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org draw->pipeline.vertex_stride = vert_info->stride; 326f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org draw->pipeline.vertex_count = count; 327f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 328f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org assert(count <= vert_info->count); 329f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 330f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org pipe_run_linear(draw, 331f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org prim_info->prim, 332f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org prim_info->flags, 333f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org (struct vertex_header*)verts, 334f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org vert_info->stride, 335f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org count); 336f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 337f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 338f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org draw->pipeline.verts = NULL; 339f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org draw->pipeline.vertex_count = 0; 340f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 341f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 342f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 343f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgvoid draw_pipeline_flush( struct draw_context *draw, 344f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned flags ) 345f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 346f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org draw->pipeline.first->flush( draw->pipeline.first, flags ); 347f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (!(flags & DRAW_FLUSH_BACKEND)) 348f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org draw->pipeline.first = draw->pipeline.validate; 349f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 350