1 /* -*- mode: C; c-file-style: "k&r"; tab-width 4; indent-tabs-mode: t; -*- */ 2 3 /* 4 * Copyright (C) 2012-2013 Rob Clark <robclark (at) freedesktop.org> 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a 7 * copy of this software and associated documentation files (the "Software"), 8 * to deal in the Software without restriction, including without limitation 9 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 10 * and/or sell copies of the Software, and to permit persons to whom the 11 * Software is furnished to do so, subject to the following conditions: 12 * 13 * The above copyright notice and this permission notice (including the next 14 * paragraph) shall be included in all copies or substantial portions of the 15 * Software. 16 * 17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 20 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 22 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 23 * SOFTWARE. 24 * 25 * Authors: 26 * Rob Clark <robclark (at) freedesktop.org> 27 */ 28 29 30 #include "pipe/p_state.h" 31 #include "util/u_string.h" 32 #include "util/u_memory.h" 33 34 #include "fd2_rasterizer.h" 35 #include "fd2_context.h" 36 #include "fd2_util.h" 37 38 39 void * 40 fd2_rasterizer_state_create(struct pipe_context *pctx, 41 const struct pipe_rasterizer_state *cso) 42 { 43 struct fd2_rasterizer_stateobj *so; 44 float psize_min, psize_max; 45 46 so = CALLOC_STRUCT(fd2_rasterizer_stateobj); 47 if (!so) 48 return NULL; 49 50 if (cso->point_size_per_vertex) { 51 psize_min = util_get_min_point_size(cso); 52 psize_max = 8192; 53 } else { 54 /* Force the point size to be as if the vertex output was disabled. */ 55 psize_min = cso->point_size; 56 psize_max = cso->point_size; 57 } 58 59 so->base = *cso; 60 61 so->pa_sc_line_stipple = cso->line_stipple_enable ? 62 A2XX_PA_SC_LINE_STIPPLE_LINE_PATTERN(cso->line_stipple_pattern) | 63 A2XX_PA_SC_LINE_STIPPLE_REPEAT_COUNT(cso->line_stipple_factor) : 0; 64 65 so->pa_cl_clip_cntl = 0; // TODO 66 67 so->pa_su_vtx_cntl = 68 A2XX_PA_SU_VTX_CNTL_PIX_CENTER(cso->half_pixel_center ? PIXCENTER_OGL : PIXCENTER_D3D) | 69 A2XX_PA_SU_VTX_CNTL_QUANT_MODE(ONE_SIXTEENTH); 70 71 so->pa_su_point_size = 72 A2XX_PA_SU_POINT_SIZE_HEIGHT(cso->point_size/2) | 73 A2XX_PA_SU_POINT_SIZE_WIDTH(cso->point_size/2); 74 75 so->pa_su_point_minmax = 76 A2XX_PA_SU_POINT_MINMAX_MIN(psize_min/2) | 77 A2XX_PA_SU_POINT_MINMAX_MAX(psize_max/2); 78 79 so->pa_su_line_cntl = 80 A2XX_PA_SU_LINE_CNTL_WIDTH(cso->line_width/2); 81 82 so->pa_su_sc_mode_cntl = 83 A2XX_PA_SU_SC_MODE_CNTL_VTX_WINDOW_OFFSET_ENABLE | 84 A2XX_PA_SU_SC_MODE_CNTL_FRONT_PTYPE(fd_polygon_mode(cso->fill_front)) | 85 A2XX_PA_SU_SC_MODE_CNTL_BACK_PTYPE(fd_polygon_mode(cso->fill_back)); 86 87 if (cso->cull_face & PIPE_FACE_FRONT) 88 so->pa_su_sc_mode_cntl |= A2XX_PA_SU_SC_MODE_CNTL_CULL_FRONT; 89 if (cso->cull_face & PIPE_FACE_BACK) 90 so->pa_su_sc_mode_cntl |= A2XX_PA_SU_SC_MODE_CNTL_CULL_BACK; 91 if (!cso->flatshade_first) 92 so->pa_su_sc_mode_cntl |= A2XX_PA_SU_SC_MODE_CNTL_PROVOKING_VTX_LAST; 93 if (!cso->front_ccw) 94 so->pa_su_sc_mode_cntl |= A2XX_PA_SU_SC_MODE_CNTL_FACE; 95 if (cso->line_stipple_enable) 96 so->pa_su_sc_mode_cntl |= A2XX_PA_SU_SC_MODE_CNTL_LINE_STIPPLE_ENABLE; 97 if (cso->multisample) 98 so->pa_su_sc_mode_cntl |= A2XX_PA_SU_SC_MODE_CNTL_MSAA_ENABLE; 99 100 if (cso->fill_front != PIPE_POLYGON_MODE_FILL || 101 cso->fill_back != PIPE_POLYGON_MODE_FILL) 102 so->pa_su_sc_mode_cntl |= A2XX_PA_SU_SC_MODE_CNTL_POLYMODE(POLY_DUALMODE); 103 else 104 so->pa_su_sc_mode_cntl |= A2XX_PA_SU_SC_MODE_CNTL_POLYMODE(POLY_DISABLED); 105 106 if (cso->offset_tri) 107 so->pa_su_sc_mode_cntl |= 108 A2XX_PA_SU_SC_MODE_CNTL_POLY_OFFSET_FRONT_ENABLE | 109 A2XX_PA_SU_SC_MODE_CNTL_POLY_OFFSET_BACK_ENABLE | 110 A2XX_PA_SU_SC_MODE_CNTL_POLY_OFFSET_PARA_ENABLE; 111 112 return so; 113 } 114
