1 /*
2 * Copyright © 2014-2017 Broadcom
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
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
21 * IN THE SOFTWARE.
22 */
23
24 /** @file v3dx_job.c
25 *
26 * V3D version-specific functions for submitting V3D render jobs to the
27 * kernel.
28 */
29
30 #include "v3d_context.h"
31 #include "broadcom/cle/v3dx_pack.h"
32
v3dX(bcl_epilogue)33 void v3dX(bcl_epilogue)(struct v3d_context *v3d, struct v3d_job *job)
34 {
35 v3d_cl_ensure_space_with_branch(&job->bcl,
36 cl_packet_length(PRIMITIVE_COUNTS_FEEDBACK) +
37 cl_packet_length(TRANSFORM_FEEDBACK_SPECS) +
38 cl_packet_length(FLUSH));
39
40 if (job->tf_enabled || job->needs_primitives_generated) {
41 /* Write primitive counts to memory. */
42 assert(v3d->prim_counts);
43 struct v3d_resource *rsc =
44 v3d_resource(v3d->prim_counts);
45 cl_emit(&job->bcl, PRIMITIVE_COUNTS_FEEDBACK, counter) {
46 counter.address =
47 cl_address(rsc->bo,
48 v3d->prim_counts_offset);
49 counter.read_write_64byte = false;
50 counter.op = 0;
51 }
52 }
53
54 /* Disable TF at the end of the CL, so that the TF block
55 * cleans up and finishes before it gets reset by the next
56 * frame's tile binning mode cfg packet. (SWVC5-718).
57 */
58 if (job->tf_enabled) {
59 cl_emit(&job->bcl, TRANSFORM_FEEDBACK_SPECS, tfe) {
60 tfe.enable = false;
61 };
62 }
63
64 /* We just FLUSH here to tell the HW to cap the bin CLs with a
65 * return. Any remaining state changes won't be flushed to
66 * the bins first -- you would need FLUSH_ALL for that, but
67 * the HW for hasn't been validated
68 */
69 cl_emit(&job->bcl, FLUSH, flush);
70 }
71