1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
|
/*
* Copyright © 2014 Broadcom
*
* 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.
*/
#include "vc4_context.h"
void
vc4_emit_state(struct pipe_context *pctx)
{
struct vc4_context *vc4 = vc4_context(pctx);
struct vc4_job *job = vc4->job;
struct vc4_cl_out *bcl = cl_start(&job->bcl);
if (vc4->dirty & (VC4_DIRTY_SCISSOR | VC4_DIRTY_VIEWPORT |
VC4_DIRTY_RASTERIZER)) {
float *vpscale = vc4->viewport.scale;
float *vptranslate = vc4->viewport.translate;
float vp_minx = -fabsf(vpscale[0]) + vptranslate[0];
float vp_maxx = fabsf(vpscale[0]) + vptranslate[0];
float vp_miny = -fabsf(vpscale[1]) + vptranslate[1];
float vp_maxy = fabsf(vpscale[1]) + vptranslate[1];
/* Clip to the scissor if it's enabled, but still clip to the
* drawable regardless since that controls where the binner
* tries to put things.
*
* Additionally, always clip the rendering to the viewport,
* since the hardware does guardband clipping, meaning
* primitives would rasterize outside of the view volume.
*/
uint32_t minx, miny, maxx, maxy;
if (!vc4->rasterizer->base.scissor) {
minx = MAX2(vp_minx, 0);
miny = MAX2(vp_miny, 0);
maxx = MIN2(vp_maxx, job->draw_width);
maxy = MIN2(vp_maxy, job->draw_height);
} else {
minx = MAX2(vp_minx, vc4->scissor.minx);
miny = MAX2(vp_miny, vc4->scissor.miny);
maxx = MIN2(vp_maxx, vc4->scissor.maxx);
maxy = MIN2(vp_maxy, vc4->scissor.maxy);
}
cl_u8(&bcl, VC4_PACKET_CLIP_WINDOW);
cl_u16(&bcl, minx);
cl_u16(&bcl, miny);
cl_u16(&bcl, maxx - minx);
cl_u16(&bcl, maxy - miny);
job->draw_min_x = MIN2(job->draw_min_x, minx);
job->draw_min_y = MIN2(job->draw_min_y, miny);
job->draw_max_x = MAX2(job->draw_max_x, maxx);
job->draw_max_y = MAX2(job->draw_max_y, maxy);
}
if (vc4->dirty & (VC4_DIRTY_RASTERIZER |
VC4_DIRTY_ZSA |
VC4_DIRTY_COMPILED_FS)) {
uint8_t ez_enable_mask_out = ~0;
/* HW-2905: If the RCL ends up doing a full-res load when
* multisampling, then early Z tracking may end up with values
* from the previous tile due to a HW bug. Disable it to
* avoid that.
*
* We should be able to skip this when the Z is cleared, but I
* was seeing bad rendering on glxgears -samples 4 even in
* that case.
*/
if (job->msaa || vc4->prog.fs->disable_early_z)
ez_enable_mask_out &= ~VC4_CONFIG_BITS_EARLY_Z;
cl_u8(&bcl, VC4_PACKET_CONFIGURATION_BITS);
cl_u8(&bcl,
vc4->rasterizer->config_bits[0] |
vc4->zsa->config_bits[0]);
cl_u8(&bcl,
vc4->rasterizer->config_bits[1] |
vc4->zsa->config_bits[1]);
cl_u8(&bcl,
(vc4->rasterizer->config_bits[2] |
vc4->zsa->config_bits[2]) & ez_enable_mask_out);
}
if (vc4->dirty & VC4_DIRTY_RASTERIZER) {
cl_u8(&bcl, VC4_PACKET_DEPTH_OFFSET);
cl_u16(&bcl, vc4->rasterizer->offset_factor);
cl_u16(&bcl, vc4->rasterizer->offset_units);
cl_u8(&bcl, VC4_PACKET_POINT_SIZE);
cl_f(&bcl, vc4->rasterizer->point_size);
cl_u8(&bcl, VC4_PACKET_LINE_WIDTH);
cl_f(&bcl, vc4->rasterizer->base.line_width);
}
if (vc4->dirty & VC4_DIRTY_VIEWPORT) {
cl_u8(&bcl, VC4_PACKET_CLIPPER_XY_SCALING);
cl_f(&bcl, vc4->viewport.scale[0] * 16.0f);
cl_f(&bcl, vc4->viewport.scale[1] * 16.0f);
cl_u8(&bcl, VC4_PACKET_CLIPPER_Z_SCALING);
cl_f(&bcl, vc4->viewport.translate[2]);
cl_f(&bcl, vc4->viewport.scale[2]);
cl_u8(&bcl, VC4_PACKET_VIEWPORT_OFFSET);
cl_u16(&bcl, 16 * vc4->viewport.translate[0]);
cl_u16(&bcl, 16 * vc4->viewport.translate[1]);
}
if (vc4->dirty & VC4_DIRTY_FLAT_SHADE_FLAGS) {
cl_u8(&bcl, VC4_PACKET_FLAT_SHADE_FLAGS);
cl_u32(&bcl, vc4->rasterizer->base.flatshade ?
vc4->prog.fs->color_inputs : 0);
}
cl_end(&job->bcl, bcl);
}
|
