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 /*
  29  * Authors:
  30  *      Christian König <christian.koenig@amd.com>
  31  *
  32  */
  33
  34 #include "si_pipe.h"
  35 #include "radeon/radeon_video.h"
  36 #include "radeon/radeon_uvd.h"
  37 #include "radeon/radeon_vce.h"
  38 #include "radeon/radeon_vcn_dec.h"
  39
  40 /**
  41  * creates an video buffer with an UVD compatible memory layout
  42  */
  43 struct pipe_video_buffer *si_video_buffer_create(struct pipe_context *pipe,
  44                                                  const struct pipe_video_buffer *tmpl)
  45 {
  46         struct si_context *ctx = (struct si_context *)pipe;
  47         struct r600_texture *resources[VL_NUM_COMPONENTS] = {};
  48         struct radeon_surf *surfaces[VL_NUM_COMPONENTS] = {};
  49         struct pb_buffer **pbs[VL_NUM_COMPONENTS] = {};
  50         const enum pipe_format *resource_formats;
  51         struct pipe_video_buffer template;
  52         struct pipe_resource templ;
  53         unsigned i, array_size;
  54
  55         assert(pipe);
  56
  57         /* first create the needed resources as "normal" textures */
  58         resource_formats = vl_video_buffer_formats(pipe->screen, tmpl->buffer_format);
  59         if (!resource_formats)
  60                 return NULL;
  61
  62         array_size = tmpl->interlaced ? 2 : 1;
  63         template = *tmpl;
  64         template.width = align(tmpl->width, VL_MACROBLOCK_WIDTH);
  65         template.height = align(tmpl->height / array_size, VL_MACROBLOCK_HEIGHT);
  66
  67         vl_video_buffer_template(&templ, &template, resource_formats[0], 1, array_size, PIPE_USAGE_DEFAULT, 0);
  68
  69         /* TODO: get tiling working */
  70         /* Set PIPE_BIND_SHARED to avoid reallocation in r600_texture_get_handle,
  71          * which can't handle joined surfaces. */
  72         unsigned bind = PIPE_BIND_LINEAR | PIPE_BIND_SHARED;
  73
  74         templ.bind = bind;
  75         resources[0] = (struct r600_texture *)
  76                 pipe->screen->resource_create(pipe->screen, &templ);
  77         if (!resources[0])
  78                 goto error;
  79
  80         if (resource_formats[1] != PIPE_FORMAT_NONE) {
  81                 vl_video_buffer_template(&templ, &template, resource_formats[1], 1, array_size, PIPE_USAGE_DEFAULT, 1);
  82                 templ.bind = bind;
  83                 resources[1] = (struct r600_texture *)
  84                         pipe->screen->resource_create(pipe->screen, &templ);
  85                 if (!resources[1])
  86                         goto error;
  87         }
  88
  89         if (resource_formats[2] != PIPE_FORMAT_NONE) {
  90                 vl_video_buffer_template(&templ, &template, resource_formats[2], 1, array_size, PIPE_USAGE_DEFAULT, 2);
  91                 templ.bind = bind;
  92                 resources[2] = (struct r600_texture *)
  93                         pipe->screen->resource_create(pipe->screen, &templ);
  94                 if (!resources[2])
  95                         goto error;
  96         }
  97
  98         for (i = 0; i < VL_NUM_COMPONENTS; ++i) {
  99                 if (!resources[i])
 100                         continue;
 101
 102                 surfaces[i] = & resources[i]->surface;
 103                 pbs[i] = &resources[i]->resource.buf;
 104         }
 105
 106         si_vid_join_surfaces(&ctx->b, pbs, surfaces);
 107
 108         for (i = 0; i < VL_NUM_COMPONENTS; ++i) {
 109                 if (!resources[i])
 110                         continue;
 111
 112                 /* reset the address */
 113                 resources[i]->resource.gpu_address = ctx->b.ws->buffer_get_virtual_address(
 114                         resources[i]->resource.buf);
 115         }
 116
 117         template.height *= array_size;
 118         return vl_video_buffer_create_ex2(pipe, &template, (struct pipe_resource **)resources);
 119
 120 error:
 121         for (i = 0; i < VL_NUM_COMPONENTS; ++i)
 122                 r600_texture_reference(&resources[i], NULL);
 123
 124         return NULL;
 125 }
 126
 127 /* set the decoding target buffer offsets */
 128 static struct pb_buffer* si_uvd_set_dtb(struct ruvd_msg *msg, struct vl_video_buffer *buf)
 129 {
 130         struct si_screen *sscreen = (struct si_screen*)buf->base.context->screen;
 131         struct r600_texture *luma = (struct r600_texture *)buf->resources[0];
 132         struct r600_texture *chroma = (struct r600_texture *)buf->resources[1];
 133         enum ruvd_surface_type type =  (sscreen->b.chip_class >= GFX9) ?
 134                                         RUVD_SURFACE_TYPE_GFX9 :
 135                                         RUVD_SURFACE_TYPE_LEGACY;
 136
 137         msg->body.decode.dt_field_mode = buf->base.interlaced;
 138
 139         si_uvd_set_dt_surfaces(msg, &luma->surface, (chroma) ? &chroma->surface : NULL, type);
 140
 141         return luma->resource.buf;
 142 }
 143
 144 /* get the radeon resources for VCE */
 145 static void si_vce_get_buffer(struct pipe_resource *resource,
 146                               struct pb_buffer **handle,
 147                               struct radeon_surf **surface)
 148 {
 149         struct r600_texture *res = (struct r600_texture *)resource;
 150
 151         if (handle)
 152                 *handle = res->resource.buf;
 153
 154         if (surface)
 155                 *surface = &res->surface;
 156 }
 157
 158 /**
 159  * creates an UVD compatible decoder
 160  */
 161 struct pipe_video_codec *si_uvd_create_decoder(struct pipe_context *context,
 162                                                const struct pipe_video_codec *templ)
 163 {
 164         struct si_context *ctx = (struct si_context *)context;
 165         bool vcn = (ctx->b.family == CHIP_RAVEN) ? true : false;
 166
 167         if (templ->entrypoint == PIPE_VIDEO_ENTRYPOINT_ENCODE)
 168                 return si_vce_create_encoder(context, templ, ctx->b.ws, si_vce_get_buffer);
 169
 170         return (vcn) ?  radeon_create_decoder(context, templ) :
 171                 si_common_uvd_create_decoder(context, templ, si_uvd_set_dtb);
 172 }