| /* |
| * Copyright (C) 2016 Rob Clark <robclark@freedesktop.org> |
| * |
| * 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 <robclark@freedesktop.org> |
| */ |
| |
| |
| #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; |
| } |