src/gallium/drivers/radeonsi/si_uvd.c

   1 /**************************************************************************
   2  *
   3  * Copyright 2011 Advanced Micro Devices, Inc.
   4  * All Rights Reserved.
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a
   7  * copy of this software and associated documentation files (the
   8  * "Software"), to deal in the Software without restriction, including
   9  * without limitation the rights to use, copy, modify, merge, publish,
  10  * distribute, sub license, and/or sell copies of the Software, and to
  11  * permit persons to whom the Software is furnished to do so, subject to
  12  * the following conditions:
  13  *
  14  * The above copyright notice and this permission notice (including the
  15  * next paragraph) shall be included in all copies or substantial portions
  16  * of the Software.
  17  *
  18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  19  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  20  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  21  * IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR
  22  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  23  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  24  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  25  *
  26  **************************************************************************/
  27
  28 #include "si_pipe.h"
  29 #include "radeon/radeon_video.h"
  30 #include "radeon/radeon_uvd.h"
  31 #include "radeon/radeon_vce.h"
  32 #include "radeon/radeon_vcn_dec.h"
  33 #include "radeon/radeon_vcn_enc.h"
  34 #include "radeon/radeon_uvd_enc.h"
  35 #include "util/u_video.h"
  36
  37 /**
  38  * creates an video buffer with an UVD compatible memory layout
  39  */
  40 struct pipe_video_buffer *si_video_buffer_create(struct pipe_context *pipe,
  41                                                  const struct pipe_video_buffer *tmpl)
  42 {
  43         struct pipe_video_buffer vidbuf = *tmpl;
  44         /* TODO: get tiling working */
  45         vidbuf.bind |= PIPE_BIND_LINEAR;
  46
  47         return vl_video_buffer_create_as_resource(pipe, &vidbuf);
  48 }
  49
  50 /* set the decoding target buffer offsets */
  51 static struct pb_buffer* si_uvd_set_dtb(struct ruvd_msg *msg, struct vl_video_buffer *buf)
  52 {
  53         struct si_screen *sscreen = (struct si_screen*)buf->base.context->screen;
  54         struct si_texture *luma = (struct si_texture *)buf->resources[0];
  55         struct si_texture *chroma = (struct si_texture *)buf->resources[1];
  56         enum ruvd_surface_type type =  (sscreen->info.chip_class >= GFX9) ?
  57                                         RUVD_SURFACE_TYPE_GFX9 :
  58                                         RUVD_SURFACE_TYPE_LEGACY;
  59
  60         msg->body.decode.dt_field_mode = buf->base.interlaced;
  61
  62         si_uvd_set_dt_surfaces(msg, &luma->surface, (chroma) ? &chroma->surface : NULL, type);
  63
  64         return luma->buffer.buf;
  65 }
  66
  67 /* get the radeon resources for VCE */
  68 static void si_vce_get_buffer(struct pipe_resource *resource,
  69                               struct pb_buffer **handle,
  70                               struct radeon_surf **surface)
  71 {
  72         struct si_texture *res = (struct si_texture *)resource;
  73
  74         if (handle)
  75                 *handle = res->buffer.buf;
  76
  77         if (surface)
  78                 *surface = &res->surface;
  79 }
  80
  81 /**
  82  * creates an UVD compatible decoder
  83  */
  84 struct pipe_video_codec *si_uvd_create_decoder(struct pipe_context *context,
  85                                                const struct pipe_video_codec *templ)
  86 {
  87         struct si_context *ctx = (struct si_context *)context;
  88         bool vcn = ctx->family >= CHIP_RAVEN;
  89
  90         if (templ->entrypoint == PIPE_VIDEO_ENTRYPOINT_ENCODE) {
  91                 if (vcn) {
  92                         return radeon_create_encoder(context, templ, ctx->ws, si_vce_get_buffer);
  93                 } else {
  94                         if (u_reduce_video_profile(templ->profile) == PIPE_VIDEO_FORMAT_HEVC)
  95                                 return radeon_uvd_create_encoder(context, templ, ctx->ws, si_vce_get_buffer);
  96                         else
  97                                 return si_vce_create_encoder(context, templ, ctx->ws, si_vce_get_buffer);
  98                 }
  99         }
 100
 101         return (vcn) ?  radeon_create_decoder(context, templ) :
 102                 si_common_uvd_create_decoder(context, templ, si_uvd_set_dtb);
 103 }