/* * Copyright (C) 2016 Rob Clark * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice (including the next * paragraph) shall be included in all copies or substantial portions of the * Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. * * Authors: * Rob Clark */ #include "pipe/p_state.h" #include "util/u_string.h" #include "util/u_memory.h" #include "fd5_rasterizer.h" #include "fd5_context.h" #include "fd5_format.h" void * fd5_rasterizer_state_create(struct pipe_context *pctx, const struct pipe_rasterizer_state *cso) { struct fd5_rasterizer_stateobj *so; float psize_min, psize_max; so = CALLOC_STRUCT(fd5_rasterizer_stateobj); if (!so) return NULL; so->base = *cso; if (cso->point_size_per_vertex) { psize_min = util_get_min_point_size(cso); psize_max = 4092; } else { /* Force the point size to be as if the vertex output was disabled. */ psize_min = cso->point_size; psize_max = cso->point_size; } so->gras_cl_clip_cntl = 0x80000; /* ??? */ so->gras_su_point_minmax = A5XX_GRAS_SU_POINT_MINMAX_MIN(psize_min) | A5XX_GRAS_SU_POINT_MINMAX_MAX(psize_max); so->gras_su_point_size = A5XX_GRAS_SU_POINT_SIZE(cso->point_size); so->gras_su_poly_offset_scale = A5XX_GRAS_SU_POLY_OFFSET_SCALE(cso->offset_scale); so->gras_su_poly_offset_offset = A5XX_GRAS_SU_POLY_OFFSET_OFFSET(cso->offset_units); so->gras_su_poly_offset_clamp = A5XX_GRAS_SU_POLY_OFFSET_OFFSET_CLAMP(cso->offset_clamp); so->gras_su_cntl = A5XX_GRAS_SU_CNTL_LINEHALFWIDTH(cso->line_width/2.0); // so->pc_prim_vtx_cntl2 = // A5XX_PC_PRIM_VTX_CNTL2_POLYMODE_FRONT_PTYPE(fd_polygon_mode(cso->fill_front)) | // A5XX_PC_PRIM_VTX_CNTL2_POLYMODE_BACK_PTYPE(fd_polygon_mode(cso->fill_back)); // if (cso->fill_front != PIPE_POLYGON_MODE_FILL || // cso->fill_back != PIPE_POLYGON_MODE_FILL) // so->pc_prim_vtx_cntl2 |= A5XX_PC_PRIM_VTX_CNTL2_POLYMODE_ENABLE; if (cso->cull_face & PIPE_FACE_FRONT) so->gras_su_cntl |= A5XX_GRAS_SU_CNTL_CULL_FRONT; if (cso->cull_face & PIPE_FACE_BACK) so->gras_su_cntl |= A5XX_GRAS_SU_CNTL_CULL_BACK; if (!cso->front_ccw) so->gras_su_cntl |= A5XX_GRAS_SU_CNTL_FRONT_CW; // if (!cso->flatshade_first) // so->pc_prim_vtx_cntl |= A5XX_PC_PRIM_VTX_CNTL_PROVOKING_VTX_LAST; if (cso->offset_tri) so->gras_su_cntl |= A5XX_GRAS_SU_CNTL_POLY_OFFSET; // if (!cso->depth_clip) // so->gras_cl_clip_cntl |= A5XX_GRAS_CL_CLIP_CNTL_ZNEAR_CLIP_DISABLE | // A5XX_GRAS_CL_CLIP_CNTL_ZFAR_CLIP_DISABLE; // if (cso->clip_halfz) // so->gras_cl_clip_cntl |= A5XX_GRAS_CL_CLIP_CNTL_ZERO_GB_SCALE_Z; return so; }