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
|
/*
* Copyright 2018-2019 Alyssa Rosenzweig
*
* 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 "pan_context.h"
#include "pan_util.h"
#include "pan_format.h"
#include "util/u_format.h"
static unsigned
panfrost_sfbd_format(struct pipe_surface *surf)
{
/* TODO */
return 0xb84e0281; /* RGB32, no MSAA */
}
static void
panfrost_sfbd_clear(
struct panfrost_job *job,
struct mali_single_framebuffer *sfbd)
{
struct panfrost_context *ctx = job->ctx;
if (job->clear & PIPE_CLEAR_COLOR) {
sfbd->clear_color_1 = job->clear_color;
sfbd->clear_color_2 = job->clear_color;
sfbd->clear_color_3 = job->clear_color;
sfbd->clear_color_4 = job->clear_color;
}
if (job->clear & PIPE_CLEAR_DEPTH) {
sfbd->clear_depth_1 = job->clear_depth;
sfbd->clear_depth_2 = job->clear_depth;
sfbd->clear_depth_3 = job->clear_depth;
sfbd->clear_depth_4 = job->clear_depth;
sfbd->depth_buffer = ctx->depth_stencil_buffer.gpu;
sfbd->depth_buffer_enable = MALI_DEPTH_STENCIL_ENABLE;
}
if (job->clear & PIPE_CLEAR_STENCIL) {
sfbd->clear_stencil = job->clear_stencil;
sfbd->stencil_buffer = ctx->depth_stencil_buffer.gpu;
sfbd->stencil_buffer_enable = MALI_DEPTH_STENCIL_ENABLE;
}
/* Set flags based on what has been cleared, for the SFBD case */
/* XXX: What do these flags mean? */
int clear_flags = 0x101100;
if (!(job->clear & ~(PIPE_CLEAR_COLOR | PIPE_CLEAR_DEPTH | PIPE_CLEAR_STENCIL))) {
/* On a tiler like this, it's fastest to clear all three buffers at once */
clear_flags |= MALI_CLEAR_FAST;
} else {
clear_flags |= MALI_CLEAR_SLOW;
if (job->clear & PIPE_CLEAR_STENCIL)
clear_flags |= MALI_CLEAR_SLOW_STENCIL;
}
sfbd->clear_flags = clear_flags;
}
static void
panfrost_sfbd_set_cbuf(
struct mali_single_framebuffer *fb,
struct pipe_surface *surf)
{
struct panfrost_resource *rsrc = pan_resource(surf->texture);
signed stride = rsrc->slices[0].stride;
fb->format = panfrost_sfbd_format(surf);
if (rsrc->layout == PAN_LINEAR) {
fb->framebuffer = rsrc->bo->gpu;
fb->stride = stride;
} else {
fprintf(stderr, "Invalid render layout\n");
assert(0);
}
}
/* Creates an SFBD for the FRAGMENT section of the bound framebuffer */
mali_ptr
panfrost_sfbd_fragment(struct panfrost_context *ctx, bool has_draws)
{
struct panfrost_job *job = panfrost_get_job_for_fbo(ctx);
struct mali_single_framebuffer fb = panfrost_emit_sfbd(ctx, has_draws);
panfrost_sfbd_clear(job, &fb);
/* SFBD does not support MRT natively; sanity check */
assert(ctx->pipe_framebuffer.nr_cbufs == 1);
panfrost_sfbd_set_cbuf(&fb, ctx->pipe_framebuffer.cbufs[0]);
if (ctx->pipe_framebuffer.zsbuf) {
/* TODO */
}
if (job->requirements & PAN_REQ_MSAA)
fb.format |= MALI_FRAMEBUFFER_MSAA_A | MALI_FRAMEBUFFER_MSAA_B;
return panfrost_upload_transient(ctx, &fb, sizeof(fb)) | MALI_SFBD;
}
|
