1/*
2 * Copyright 2018-2019 Alyssa Rosenzweig
3 *
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:
10 *
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
13 * Software.
14 *
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
21 * SOFTWARE.
22 *
23 */
24
25#include "pan_context.h"
26#include "pan_util.h"
27#include "pan_format.h"
28
29#include "util/u_format.h"
30
31/* Generate a fragment job. This should be called once per frame. (According to
32 * presentations, this is supposed to correspond to eglSwapBuffers) */
33
34mali_ptr
35panfrost_fragment_job(struct panfrost_context *ctx)
36{
37        /* TODO: Check viewport or something */
38        bool flip_y = panfrost_is_scanout(ctx);
39
40        mali_ptr framebuffer = ctx->require_sfbd ?
41                panfrost_sfbd_fragment(ctx, flip_y) :
42                panfrost_mfbd_fragment(ctx, flip_y);
43
44        struct mali_job_descriptor_header header = {
45                .job_type = JOB_TYPE_FRAGMENT,
46                .job_index = 1,
47#ifdef __LP64__
48                .job_descriptor_size = 1
49#endif
50        };
51
52        struct mali_payload_fragment payload = {
53                .min_tile_coord = MALI_COORDINATE_TO_TILE_MIN(0, 0),
54                .max_tile_coord = MALI_COORDINATE_TO_TILE_MAX(ctx->pipe_framebuffer.width, ctx->pipe_framebuffer.height),
55                .framebuffer = framebuffer,
56        };
57
58        /* Normally, there should be no padding. However, fragment jobs are
59         * shared with 64-bit Bifrost systems, and accordingly there is 4-bytes
60         * of zero padding in between. */
61
62        struct panfrost_transfer transfer = panfrost_allocate_transient(ctx, sizeof(header) + sizeof(payload));
63        memcpy(transfer.cpu, &header, sizeof(header));
64        memcpy(transfer.cpu + sizeof(header), &payload, sizeof(payload));
65        return transfer.gpu;
66}
67