2 * Copyright (C) 2012-2013 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 "fd2_rasterizer.h"
33 #include "fd2_context.h"
38 fd2_rasterizer_state_create(struct pipe_context
*pctx
,
39 const struct pipe_rasterizer_state
*cso
)
41 struct fd2_rasterizer_stateobj
*so
;
42 float psize_min
, psize_max
;
44 so
= CALLOC_STRUCT(fd2_rasterizer_stateobj
);
48 if (cso
->point_size_per_vertex
) {
49 psize_min
= util_get_min_point_size(cso
);
50 psize_max
= 8192.0 - 0.0625;
52 /* Force the point size to be as if the vertex output was disabled. */
53 psize_min
= cso
->point_size
;
54 psize_max
= cso
->point_size
;
59 so
->pa_sc_line_stipple
= cso
->line_stipple_enable
?
60 A2XX_PA_SC_LINE_STIPPLE_LINE_PATTERN(cso
->line_stipple_pattern
) |
61 A2XX_PA_SC_LINE_STIPPLE_REPEAT_COUNT(cso
->line_stipple_factor
) : 0;
63 so
->pa_cl_clip_cntl
= 0; // TODO
66 A2XX_PA_SU_VTX_CNTL_PIX_CENTER(cso
->half_pixel_center
? PIXCENTER_OGL
: PIXCENTER_D3D
) |
67 A2XX_PA_SU_VTX_CNTL_QUANT_MODE(ONE_SIXTEENTH
);
69 so
->pa_su_point_size
=
70 A2XX_PA_SU_POINT_SIZE_HEIGHT(cso
->point_size
/2) |
71 A2XX_PA_SU_POINT_SIZE_WIDTH(cso
->point_size
/2);
73 so
->pa_su_point_minmax
=
74 A2XX_PA_SU_POINT_MINMAX_MIN(psize_min
/2) |
75 A2XX_PA_SU_POINT_MINMAX_MAX(psize_max
/2);
78 A2XX_PA_SU_LINE_CNTL_WIDTH(cso
->line_width
/2);
80 so
->pa_su_sc_mode_cntl
=
81 A2XX_PA_SU_SC_MODE_CNTL_VTX_WINDOW_OFFSET_ENABLE
|
82 A2XX_PA_SU_SC_MODE_CNTL_FRONT_PTYPE(fd_polygon_mode(cso
->fill_front
)) |
83 A2XX_PA_SU_SC_MODE_CNTL_BACK_PTYPE(fd_polygon_mode(cso
->fill_back
));
85 if (cso
->cull_face
& PIPE_FACE_FRONT
)
86 so
->pa_su_sc_mode_cntl
|= A2XX_PA_SU_SC_MODE_CNTL_CULL_FRONT
;
87 if (cso
->cull_face
& PIPE_FACE_BACK
)
88 so
->pa_su_sc_mode_cntl
|= A2XX_PA_SU_SC_MODE_CNTL_CULL_BACK
;
89 if (!cso
->flatshade_first
)
90 so
->pa_su_sc_mode_cntl
|= A2XX_PA_SU_SC_MODE_CNTL_PROVOKING_VTX_LAST
;
92 so
->pa_su_sc_mode_cntl
|= A2XX_PA_SU_SC_MODE_CNTL_FACE
;
93 if (cso
->line_stipple_enable
)
94 so
->pa_su_sc_mode_cntl
|= A2XX_PA_SU_SC_MODE_CNTL_LINE_STIPPLE_ENABLE
;
96 so
->pa_su_sc_mode_cntl
|= A2XX_PA_SU_SC_MODE_CNTL_MSAA_ENABLE
;
98 if (cso
->fill_front
!= PIPE_POLYGON_MODE_FILL
||
99 cso
->fill_back
!= PIPE_POLYGON_MODE_FILL
)
100 so
->pa_su_sc_mode_cntl
|= A2XX_PA_SU_SC_MODE_CNTL_POLYMODE(POLY_DUALMODE
);
102 so
->pa_su_sc_mode_cntl
|= A2XX_PA_SU_SC_MODE_CNTL_POLYMODE(POLY_DISABLED
);
105 so
->pa_su_sc_mode_cntl
|=
106 A2XX_PA_SU_SC_MODE_CNTL_POLY_OFFSET_FRONT_ENABLE
|
107 A2XX_PA_SU_SC_MODE_CNTL_POLY_OFFSET_BACK_ENABLE
|
108 A2XX_PA_SU_SC_MODE_CNTL_POLY_OFFSET_PARA_ENABLE
;