2 * Copyright (C) 2016 Rob Clark <robclark@freedesktop.org>
3 * Copyright © 2018 Google, Inc.
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9 * and/or sell copies of the Software, and to permit persons to whom the
10 * Software is furnished to do so, subject to the following conditions:
12 * The above copyright notice and this permission notice (including the next
13 * paragraph) shall be included in all copies or substantial portions of the
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
25 * Rob Clark <robclark@freedesktop.org>
29 #include "pipe/p_state.h"
30 #include "util/u_string.h"
31 #include "util/u_memory.h"
33 #include "fd6_rasterizer.h"
34 #include "fd6_context.h"
35 #include "fd6_format.h"
38 fd6_rasterizer_state_create(struct pipe_context
*pctx
,
39 const struct pipe_rasterizer_state
*cso
)
41 struct fd_context
*ctx
= fd_context(pctx
);
42 struct fd6_rasterizer_stateobj
*so
;
43 float psize_min
, psize_max
;
45 so
= CALLOC_STRUCT(fd6_rasterizer_stateobj
);
51 if (cso
->point_size_per_vertex
) {
52 psize_min
= util_get_min_point_size(cso
);
55 /* Force the point size to be as if the vertex output was disabled. */
56 psize_min
= cso
->point_size
;
57 psize_max
= cso
->point_size
;
60 so
->gras_su_point_minmax
=
61 A6XX_GRAS_SU_POINT_MINMAX_MIN(psize_min
) |
62 A6XX_GRAS_SU_POINT_MINMAX_MAX(psize_max
);
63 so
->gras_su_point_size
= A6XX_GRAS_SU_POINT_SIZE(cso
->point_size
);
64 so
->gras_su_poly_offset_scale
=
65 A6XX_GRAS_SU_POLY_OFFSET_SCALE(cso
->offset_scale
);
66 so
->gras_su_poly_offset_offset
=
67 A6XX_GRAS_SU_POLY_OFFSET_OFFSET(cso
->offset_units
);
68 so
->gras_su_poly_offset_clamp
=
69 A6XX_GRAS_SU_POLY_OFFSET_OFFSET_CLAMP(cso
->offset_clamp
);
72 A6XX_GRAS_SU_CNTL_LINEHALFWIDTH(cso
->line_width
/2.0);
75 A6XX_PC_RASTER_CNTL_POLYMODE_FRONT_PTYPE(fd_polygon_mode(cso
->fill_front
)) |
76 A6XX_PC_RASTER_CNTL_POLYMODE_BACK_PTYPE(fd_polygon_mode(cso
->fill_back
));
80 if (cso
->fill_front
!= PIPE_POLYGON_MODE_FILL
||
81 cso
->fill_back
!= PIPE_POLYGON_MODE_FILL
)
82 so
->pc_raster_cntl
|= A6XX_PC_RASTER_CNTL_POLYMODE_ENABLE
;
85 if (cso
->cull_face
& PIPE_FACE_FRONT
)
86 so
->gras_su_cntl
|= A6XX_GRAS_SU_CNTL_CULL_FRONT
;
87 if (cso
->cull_face
& PIPE_FACE_BACK
)
88 so
->gras_su_cntl
|= A6XX_GRAS_SU_CNTL_CULL_BACK
;
90 so
->gras_su_cntl
|= A6XX_GRAS_SU_CNTL_FRONT_CW
;
92 so
->gras_su_cntl
|= A6XX_GRAS_SU_CNTL_POLY_OFFSET
;
94 if (!cso
->flatshade_first
)
95 so
->pc_primitive_cntl
|= A6XX_PC_PRIMITIVE_CNTL_0_PROVOKING_VTX_LAST
;
97 // if (!cso->depth_clip)
98 // so->gras_cl_clip_cntl |= A6XX_GRAS_CL_CLIP_CNTL_ZNEAR_CLIP_DISABLE |
99 // A6XX_GRAS_CL_CLIP_CNTL_ZFAR_CLIP_DISABLE;
102 so
->gras_cl_clip_cntl
|= A6XX_GRAS_CL_CNTL_ZERO_GB_SCALE_Z
;
105 so
->stateobj
= fd_ringbuffer_new_object(ctx
->pipe
, 15 * 4);
106 struct fd_ringbuffer
*ring
= so
->stateobj
;
108 OUT_PKT4(ring
, REG_A6XX_GRAS_UNKNOWN_8000
, 1);
109 OUT_RING(ring
, 0x80);
110 OUT_PKT4(ring
, REG_A6XX_GRAS_UNKNOWN_8001
, 1);
112 OUT_PKT4(ring
, REG_A6XX_GRAS_UNKNOWN_8004
, 1);
115 OUT_PKT4(ring
, REG_A6XX_GRAS_SU_CNTL
, 1);
116 OUT_RING(ring
, so
->gras_su_cntl
);
118 OUT_PKT4(ring
, REG_A6XX_GRAS_SU_POINT_MINMAX
, 2);
119 OUT_RING(ring
, so
->gras_su_point_minmax
);
120 OUT_RING(ring
, so
->gras_su_point_size
);
122 OUT_PKT4(ring
, REG_A6XX_GRAS_SU_POLY_OFFSET_SCALE
, 3);
123 OUT_RING(ring
, so
->gras_su_poly_offset_scale
);
124 OUT_RING(ring
, so
->gras_su_poly_offset_offset
);
125 OUT_RING(ring
, so
->gras_su_poly_offset_clamp
);
128 OUT_PKT4(ring
, REG_A6XX_PC_RASTER_CNTL
, 1);
129 OUT_RING(ring
, so
->pc_raster_cntl
);
131 OUT_PKT4(ring
, REG_A6XX_GRAS_CL_CNTL
, 1);
132 OUT_RING(ring
, so
->gras_cl_clip_cntl
);
139 fd6_rasterizer_state_delete(struct pipe_context
*pctx
, void *hwcso
)
141 struct fd6_rasterizer_stateobj
*so
= hwcso
;
143 fd_ringbuffer_del(so
->stateobj
);