src/gallium/drivers/v3d/v3dx_job.c

   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 VC5 render jobs to the
  27  * kernel.
  28  */
  29
  30 #include "v3d_context.h"
  31 #include "broadcom/cle/v3dx_pack.h"
  32
  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 #if V3D_VERSION >= 41
  38                                                 cl_packet_length(TRANSFORM_FEEDBACK_SPECS) +
  39 #endif
  40                                                 cl_packet_length(FLUSH));
  41
  42                 if (job->tf_enabled) {
  43                         /* Write primitive counts to memory. */
  44                         assert(v3d->prim_counts);
  45                         struct v3d_resource *rsc =
  46                                 v3d_resource(v3d->prim_counts);
  47                         cl_emit(&job->bcl, PRIMITIVE_COUNTS_FEEDBACK, counter) {
  48                                 counter.address =
  49                                         cl_address(rsc->bo,
  50                                                    v3d->prim_counts_offset);
  51                                 counter.read_write_64byte = false;
  52                                 counter.op = 0;
  53                         }
  54                 }
  55
  56                 /* Disable TF at the end of the CL, so that the TF block
  57                  * cleans up and finishes before it gets reset by the next
  58                  * frame's tile binning mode cfg packet. (SWVC5-718).
  59                  */
  60 #if V3D_VERSION >= 41
  61                 if (job->tf_enabled) {
  62                         cl_emit(&job->bcl, TRANSFORM_FEEDBACK_SPECS, tfe) {
  63                                 tfe.enable = false;
  64                         };
  65                 }
  66 #endif /* V3D_VERSION >= 41 */
  67
  68                 /* We just FLUSH here to tell the HW to cap the bin CLs with a
  69                  * return.  Any remaining state changes won't be flushed to
  70                  * the bins first -- you would need FLUSH_ALL for that, but
  71                  * the HW for hasn't been validated
  72                  */
  73                 cl_emit(&job->bcl, FLUSH, flush);
  74 }