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
  39 /**
  40  * creates an video buffer with an UVD compatible memory layout
  41  */
  42 struct pipe_video_buffer *si_video_buffer_create(struct pipe_context *pipe,
  43                                                  const struct pipe_video_buffer *tmpl)
  44 {
  45         struct si_context *ctx = (struct si_context *)pipe;
  46         struct r600_texture *resources[VL_NUM_COMPONENTS] = {};
  47         struct radeon_surface *surfaces[VL_NUM_COMPONENTS] = {};
  48         struct pb_buffer **pbs[VL_NUM_COMPONENTS] = {};
  49         const enum pipe_format *resource_formats;
  50         struct pipe_video_buffer template;
  51         struct pipe_resource templ;
  52         unsigned i, array_size;
  53
  54         assert(pipe);
  55
  56         /* first create the needed resources as "normal" textures */
  57         resource_formats = vl_video_buffer_formats(pipe->screen, tmpl->buffer_format);
  58         if (!resource_formats)
  59                 return NULL;
  60
  61         array_size = tmpl->interlaced ? 2 : 1;
  62         template = *tmpl;
  63         template.width = align(tmpl->width, VL_MACROBLOCK_WIDTH);
  64         template.height = align(tmpl->height / array_size, VL_MACROBLOCK_HEIGHT);
  65
  66         vl_video_buffer_template(&templ, &template, resource_formats[0], 1, array_size, PIPE_USAGE_DEFAULT, 0);
  67         /* TODO: get tiling working */
  68         templ.bind = PIPE_BIND_LINEAR;
  69         resources[0] = (struct r600_texture *)
  70                 pipe->screen->resource_create(pipe->screen, &templ);
  71         if (!resources[0])
  72                 goto error;
  73
  74         if (resource_formats[1] != PIPE_FORMAT_NONE) {
  75                 vl_video_buffer_template(&templ, &template, resource_formats[1], 1, array_size, PIPE_USAGE_DEFAULT, 1);
  76                 templ.bind = PIPE_BIND_LINEAR;
  77                 resources[1] = (struct r600_texture *)
  78                         pipe->screen->resource_create(pipe->screen, &templ);
  79                 if (!resources[1])
  80                         goto error;
  81         }
  82
  83         if (resource_formats[2] != PIPE_FORMAT_NONE) {
  84                 vl_video_buffer_template(&templ, &template, resource_formats[2], 1, array_size, PIPE_USAGE_DEFAULT, 2);
  85                 templ.bind = PIPE_BIND_LINEAR;
  86                 resources[2] = (struct r600_texture *)
  87                         pipe->screen->resource_create(pipe->screen, &templ);
  88                 if (!resources[2])
  89                         goto error;
  90         }
  91
  92         for (i = 0; i < VL_NUM_COMPONENTS; ++i) {
  93                 if (!resources[i])
  94                         continue;
  95
  96                 surfaces[i] = & resources[i]->surface;
  97                 pbs[i] = &resources[i]->resource.buf;
  98         }
  99
 100         rvid_join_surfaces(ctx->b.ws, templ.bind, pbs, surfaces);
 101
 102         for (i = 0; i < VL_NUM_COMPONENTS; ++i) {
 103                 if (!resources[i])
 104                         continue;
 105
 106                 /* recreate the CS handle */
 107                 resources[i]->resource.cs_buf = ctx->b.ws->buffer_get_cs_handle(
 108                         resources[i]->resource.buf);
 109                 resources[i]->resource.gpu_address = ctx->b.ws->buffer_get_virtual_address(
 110                         resources[i]->resource.cs_buf);
 111         }
 112
 113         template.height *= array_size;
 114         return vl_video_buffer_create_ex2(pipe, &template, (struct pipe_resource **)resources);
 115
 116 error:
 117         for (i = 0; i < VL_NUM_COMPONENTS; ++i)
 118                 pipe_resource_reference((struct pipe_resource **)&resources[i], NULL);
 119
 120         return NULL;
 121 }
 122
 123 /* set the decoding target buffer offsets */
 124 static struct radeon_winsys_cs_handle* si_uvd_set_dtb(struct ruvd_msg *msg, struct vl_video_buffer *buf)
 125 {
 126         struct r600_texture *luma = (struct r600_texture *)buf->resources[0];
 127         struct r600_texture *chroma = (struct r600_texture *)buf->resources[1];
 128
 129         msg->body.decode.dt_field_mode = buf->base.interlaced;
 130
 131         ruvd_set_dt_surfaces(msg, &luma->surface, &chroma->surface);
 132
 133         return luma->resource.cs_buf;
 134 }
 135
 136 /* get the radeon resources for VCE */
 137 static void si_vce_get_buffer(struct pipe_resource *resource,
 138                               struct radeon_winsys_cs_handle **handle,
 139                               struct radeon_surface **surface)
 140 {
 141         struct r600_texture *res = (struct r600_texture *)resource;
 142
 143         if (handle)
 144                 *handle = res->resource.cs_buf;
 145
 146         if (surface)
 147                 *surface = &res->surface;
 148 }
 149
 150 /**
 151  * creates an UVD compatible decoder
 152  */
 153 struct pipe_video_codec *si_uvd_create_decoder(struct pipe_context *context,
 154                                                const struct pipe_video_codec *templ)
 155 {
 156         struct si_context *ctx = (struct si_context *)context;
 157
 158         if (templ->entrypoint == PIPE_VIDEO_ENTRYPOINT_ENCODE)
 159                 return rvce_create_encoder(context, templ, ctx->b.ws, si_vce_get_buffer);
 160
 161         return ruvd_create_decoder(context, templ, si_uvd_set_dtb);
 162 }