2 * Copyright (C) 2016 Rob Clark <robclark@freedesktop.org>
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:
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
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
24 * Rob Clark <robclark@freedesktop.org>
28 #include "pipe/p_state.h"
29 #include "util/u_string.h"
30 #include "util/u_memory.h"
32 #include "fd5_rasterizer.h"
33 #include "fd5_context.h"
34 #include "fd5_format.h"
37 fd5_rasterizer_state_create(struct pipe_context
*pctx
,
38 const struct pipe_rasterizer_state
*cso
)
40 struct fd5_rasterizer_stateobj
*so
;
41 float psize_min
, psize_max
;
43 so
= CALLOC_STRUCT(fd5_rasterizer_stateobj
);
49 if (cso
->point_size_per_vertex
) {
50 psize_min
= util_get_min_point_size(cso
);
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
;
58 so
->gras_su_point_minmax
=
59 A5XX_GRAS_SU_POINT_MINMAX_MIN(psize_min
) |
60 A5XX_GRAS_SU_POINT_MINMAX_MAX(psize_max
);
61 so
->gras_su_point_size
= A5XX_GRAS_SU_POINT_SIZE(cso
->point_size
);
62 so
->gras_su_poly_offset_scale
=
63 A5XX_GRAS_SU_POLY_OFFSET_SCALE(cso
->offset_scale
);
64 so
->gras_su_poly_offset_offset
=
65 A5XX_GRAS_SU_POLY_OFFSET_OFFSET(cso
->offset_units
);
66 so
->gras_su_poly_offset_clamp
=
67 A5XX_GRAS_SU_POLY_OFFSET_OFFSET_CLAMP(cso
->offset_clamp
);
70 A5XX_GRAS_SU_CNTL_LINEHALFWIDTH(cso
->line_width
/2.0);
71 // so->pc_prim_vtx_cntl2 =
72 // A5XX_PC_PRIM_VTX_CNTL2_POLYMODE_FRONT_PTYPE(fd_polygon_mode(cso->fill_front)) |
73 // A5XX_PC_PRIM_VTX_CNTL2_POLYMODE_BACK_PTYPE(fd_polygon_mode(cso->fill_back));
75 // if (cso->fill_front != PIPE_POLYGON_MODE_FILL ||
76 // cso->fill_back != PIPE_POLYGON_MODE_FILL)
77 // so->pc_prim_vtx_cntl2 |= A5XX_PC_PRIM_VTX_CNTL2_POLYMODE_ENABLE;
79 if (cso
->cull_face
& PIPE_FACE_FRONT
)
80 so
->gras_su_cntl
|= A5XX_GRAS_SU_CNTL_CULL_FRONT
;
81 if (cso
->cull_face
& PIPE_FACE_BACK
)
82 so
->gras_su_cntl
|= A5XX_GRAS_SU_CNTL_CULL_BACK
;
84 so
->gras_su_cntl
|= A5XX_GRAS_SU_CNTL_FRONT_CW
;
86 so
->gras_su_cntl
|= A5XX_GRAS_SU_CNTL_POLY_OFFSET
;
88 if (!cso
->flatshade_first
)
89 so
->pc_primitive_cntl
|= A5XX_PC_PRIMITIVE_CNTL_PROVOKING_VTX_LAST
;
91 // if (!cso->depth_clip)
92 // so->gras_cl_clip_cntl |= A5XX_GRAS_CL_CLIP_CNTL_ZNEAR_CLIP_DISABLE |
93 // A5XX_GRAS_CL_CLIP_CNTL_ZFAR_CLIP_DISABLE;
95 so
->gras_cl_clip_cntl
|= A5XX_GRAS_CL_CNTL_ZERO_GB_SCALE_Z
;