1 /* 2 * Copyright (C) 2016 Rob Clark <robclark (at) freedesktop.org> 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a 5 * copy of this software and associated documentation files (the "Software"), 6 * to deal in the Software without restriction, including without limitation 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8 * and/or sell copies of the Software, and to permit persons to whom the 9 * Software is furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice (including the next 12 * paragraph) shall be included in all copies or substantial portions of the 13 * Software. 14 * 15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 20 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 21 * SOFTWARE. 22 * 23 * Authors: 24 * Rob Clark <robclark (at) freedesktop.org> 25 */ 26 27 28 #include "pipe/p_state.h" 29 #include "util/u_string.h" 30 #include "util/u_memory.h" 31 32 #include "fd5_rasterizer.h" 33 #include "fd5_context.h" 34 #include "fd5_format.h" 35 36 void * 37 fd5_rasterizer_state_create(struct pipe_context *pctx, 38 const struct pipe_rasterizer_state *cso) 39 { 40 struct fd5_rasterizer_stateobj *so; 41 float psize_min, psize_max; 42 43 so = CALLOC_STRUCT(fd5_rasterizer_stateobj); 44 if (!so) 45 return NULL; 46 47 so->base = *cso; 48 49 if (cso->point_size_per_vertex) { 50 psize_min = util_get_min_point_size(cso); 51 psize_max = 4092; 52 } else { 53 /* Force the point size to be as if the vertex output was disabled. */ 54 psize_min = cso->point_size; 55 psize_max = cso->point_size; 56 } 57 58 so->gras_cl_clip_cntl = 0x80000; /* ??? */ 59 so->gras_su_point_minmax = 60 A5XX_GRAS_SU_POINT_MINMAX_MIN(psize_min) | 61 A5XX_GRAS_SU_POINT_MINMAX_MAX(psize_max); 62 so->gras_su_point_size = A5XX_GRAS_SU_POINT_SIZE(cso->point_size); 63 so->gras_su_poly_offset_scale = 64 A5XX_GRAS_SU_POLY_OFFSET_SCALE(cso->offset_scale); 65 so->gras_su_poly_offset_offset = 66 A5XX_GRAS_SU_POLY_OFFSET_OFFSET(cso->offset_units); 67 so->gras_su_poly_offset_clamp = 68 A5XX_GRAS_SU_POLY_OFFSET_OFFSET_CLAMP(cso->offset_clamp); 69 70 so->gras_su_cntl = 71 A5XX_GRAS_SU_CNTL_LINEHALFWIDTH(cso->line_width/2.0); 72 // so->pc_prim_vtx_cntl2 = 73 // A5XX_PC_PRIM_VTX_CNTL2_POLYMODE_FRONT_PTYPE(fd_polygon_mode(cso->fill_front)) | 74 // A5XX_PC_PRIM_VTX_CNTL2_POLYMODE_BACK_PTYPE(fd_polygon_mode(cso->fill_back)); 75 76 // if (cso->fill_front != PIPE_POLYGON_MODE_FILL || 77 // cso->fill_back != PIPE_POLYGON_MODE_FILL) 78 // so->pc_prim_vtx_cntl2 |= A5XX_PC_PRIM_VTX_CNTL2_POLYMODE_ENABLE; 79 80 if (cso->cull_face & PIPE_FACE_FRONT) 81 so->gras_su_cntl |= A5XX_GRAS_SU_CNTL_CULL_FRONT; 82 if (cso->cull_face & PIPE_FACE_BACK) 83 so->gras_su_cntl |= A5XX_GRAS_SU_CNTL_CULL_BACK; 84 if (!cso->front_ccw) 85 so->gras_su_cntl |= A5XX_GRAS_SU_CNTL_FRONT_CW; 86 // if (!cso->flatshade_first) 87 // so->pc_prim_vtx_cntl |= A5XX_PC_PRIM_VTX_CNTL_PROVOKING_VTX_LAST; 88 89 if (cso->offset_tri) 90 so->gras_su_cntl |= A5XX_GRAS_SU_CNTL_POLY_OFFSET; 91 92 // if (!cso->depth_clip) 93 // so->gras_cl_clip_cntl |= A5XX_GRAS_CL_CLIP_CNTL_ZNEAR_CLIP_DISABLE | 94 // A5XX_GRAS_CL_CLIP_CNTL_ZFAR_CLIP_DISABLE; 95 // if (cso->clip_halfz) 96 // so->gras_cl_clip_cntl |= A5XX_GRAS_CL_CLIP_CNTL_ZERO_GB_SCALE_Z; 97 98 return so; 99 } 100
