2 * Copyright © 2014 Broadcom
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
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
24 #include "vc4_context.h"
27 vc4_emit_state(struct pipe_context
*pctx
)
29 struct vc4_context
*vc4
= vc4_context(pctx
);
31 if (vc4
->dirty
& (VC4_DIRTY_SCISSOR
| VC4_DIRTY_VIEWPORT
)) {
32 float *vpscale
= vc4
->viewport
.scale
;
33 float *vptranslate
= vc4
->viewport
.translate
;
34 float vp_minx
= -fabs(vpscale
[0]) + vptranslate
[0];
35 float vp_maxx
= fabs(vpscale
[0]) + vptranslate
[0];
36 float vp_miny
= -fabs(vpscale
[1]) + vptranslate
[1];
37 float vp_maxy
= fabs(vpscale
[1]) + vptranslate
[1];
38 uint32_t minx
= MAX2(vc4
->scissor
.minx
, vp_minx
);
39 uint32_t miny
= MAX2(vc4
->scissor
.miny
, vp_miny
);
40 uint32_t maxx
= MIN2(vc4
->scissor
.maxx
, vp_maxx
);
41 uint32_t maxy
= MIN2(vc4
->scissor
.maxy
, vp_maxy
);
43 cl_u8(&vc4
->bcl
, VC4_PACKET_CLIP_WINDOW
);
44 cl_u16(&vc4
->bcl
, minx
);
45 cl_u16(&vc4
->bcl
, miny
);
46 cl_u16(&vc4
->bcl
, maxx
- minx
);
47 cl_u16(&vc4
->bcl
, maxy
- miny
);
49 vc4
->draw_min_x
= MIN2(vc4
->draw_min_x
, minx
);
50 vc4
->draw_min_y
= MIN2(vc4
->draw_min_y
, miny
);
51 vc4
->draw_max_x
= MAX2(vc4
->draw_max_x
, maxx
);
52 vc4
->draw_max_y
= MAX2(vc4
->draw_max_y
, maxy
);
55 if (vc4
->dirty
& (VC4_DIRTY_RASTERIZER
| VC4_DIRTY_ZSA
)) {
56 cl_u8(&vc4
->bcl
, VC4_PACKET_CONFIGURATION_BITS
);
58 vc4
->rasterizer
->config_bits
[0] |
59 vc4
->zsa
->config_bits
[0]);
61 vc4
->rasterizer
->config_bits
[1] |
62 vc4
->zsa
->config_bits
[1]);
64 vc4
->rasterizer
->config_bits
[2] |
65 vc4
->zsa
->config_bits
[2]);
68 if (vc4
->dirty
& VC4_DIRTY_RASTERIZER
) {
69 cl_u8(&vc4
->bcl
, VC4_PACKET_DEPTH_OFFSET
);
70 cl_u16(&vc4
->bcl
, vc4
->rasterizer
->offset_factor
);
71 cl_u16(&vc4
->bcl
, vc4
->rasterizer
->offset_units
);
73 cl_u8(&vc4
->bcl
, VC4_PACKET_POINT_SIZE
);
74 cl_f(&vc4
->bcl
, vc4
->rasterizer
->point_size
);
76 cl_u8(&vc4
->bcl
, VC4_PACKET_LINE_WIDTH
);
77 cl_f(&vc4
->bcl
, vc4
->rasterizer
->base
.line_width
);
80 if (vc4
->dirty
& VC4_DIRTY_VIEWPORT
) {
81 cl_u8(&vc4
->bcl
, VC4_PACKET_CLIPPER_XY_SCALING
);
82 cl_f(&vc4
->bcl
, vc4
->viewport
.scale
[0] * 16.0f
);
83 cl_f(&vc4
->bcl
, vc4
->viewport
.scale
[1] * 16.0f
);
85 cl_u8(&vc4
->bcl
, VC4_PACKET_CLIPPER_Z_SCALING
);
86 cl_f(&vc4
->bcl
, vc4
->viewport
.translate
[2]);
87 cl_f(&vc4
->bcl
, vc4
->viewport
.scale
[2]);
89 cl_u8(&vc4
->bcl
, VC4_PACKET_VIEWPORT_OFFSET
);
90 cl_u16(&vc4
->bcl
, 16 * vc4
->viewport
.translate
[0]);
91 cl_u16(&vc4
->bcl
, 16 * vc4
->viewport
.translate
[1]);
94 if (vc4
->dirty
& VC4_DIRTY_FLAT_SHADE_FLAGS
) {
95 cl_u8(&vc4
->bcl
, VC4_PACKET_FLAT_SHADE_FLAGS
);
96 cl_u32(&vc4
->bcl
, vc4
->rasterizer
->base
.flatshade
?
97 vc4
->prog
.fs
->color_inputs
: 0);