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