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
  38 /**
  39  * creates an video buffer with an UVD compatible memory layout
  40  */
  41 struct pipe_video_buffer *si_video_buffer_create(struct pipe_context *pipe,
  42                                                  const struct pipe_video_buffer *tmpl)
  43 {
  44         struct si_context *ctx = (struct si_context *)pipe;
  45         struct r600_texture *resources[VL_NUM_COMPONENTS] = {};
  46         struct radeon_surface *surfaces[VL_NUM_COMPONENTS] = {};
  47         struct pb_buffer **pbs[VL_NUM_COMPONENTS] = {};
  48         const enum pipe_format *resource_formats;
  49         struct pipe_video_buffer template;
  50         struct pipe_resource templ;
  51         unsigned i, array_size;
  52
  53         assert(pipe);
  54
  55         /* first create the needed resources as "normal" textures */
  56         resource_formats = vl_video_buffer_formats(pipe->screen, tmpl->buffer_format);
  57         if (!resource_formats)
  58                 return NULL;
  59
  60         array_size = tmpl->interlaced ? 2 : 1;
  61         template = *tmpl;
  62         template.width = align(tmpl->width, VL_MACROBLOCK_WIDTH);
  63         template.height = align(tmpl->height / array_size, VL_MACROBLOCK_HEIGHT);
  64
  65         vl_video_buffer_template(&templ, &template, resource_formats[0], 1, array_size, PIPE_USAGE_DEFAULT, 0);
  66         /* TODO: get tiling working */
  67         templ.bind = PIPE_BIND_LINEAR;
  68         resources[0] = (struct r600_texture *)
  69                 pipe->screen->resource_create(pipe->screen, &templ);
  70         if (!resources[0])
  71                 goto error;
  72
  73         if (resource_formats[1] != PIPE_FORMAT_NONE) {
  74                 vl_video_buffer_template(&templ, &template, resource_formats[1], 1, array_size, PIPE_USAGE_DEFAULT, 1);
  75                 templ.bind = PIPE_BIND_LINEAR;
  76                 resources[1] = (struct r600_texture *)
  77                         pipe->screen->resource_create(pipe->screen, &templ);
  78                 if (!resources[1])
  79                         goto error;
  80         }
  81
  82         if (resource_formats[2] != PIPE_FORMAT_NONE) {
  83                 vl_video_buffer_template(&templ, &template, resource_formats[2], 1, array_size, PIPE_USAGE_DEFAULT, 2);
  84                 templ.bind = PIPE_BIND_LINEAR;
  85                 resources[2] = (struct r600_texture *)
  86                         pipe->screen->resource_create(pipe->screen, &templ);
  87                 if (!resources[2])
  88                         goto error;
  89         }
  90
  91         for (i = 0; i < VL_NUM_COMPONENTS; ++i) {
  92                 if (!resources[i])
  93                         continue;
  94
  95                 surfaces[i] = & resources[i]->surface;
  96                 pbs[i] = &resources[i]->resource.buf;
  97         }
  98
  99         rvid_join_surfaces(ctx->b.ws, templ.bind, pbs, surfaces);
 100
 101         for (i = 0; i < VL_NUM_COMPONENTS; ++i) {
 102                 if (!resources[i])
 103                         continue;
 104
 105                 /* recreate the CS handle */
 106                 resources[i]->resource.cs_buf = ctx->b.ws->buffer_get_cs_handle(
 107                         resources[i]->resource.buf);
 108         }
 109
 110         template.height *= array_size;
 111         return vl_video_buffer_create_ex2(pipe, &template, (struct pipe_resource **)resources);
 112
 113 error:
 114         for (i = 0; i < VL_NUM_COMPONENTS; ++i)
 115                 pipe_resource_reference((struct pipe_resource **)&resources[i], NULL);
 116
 117         return NULL;
 118 }
 119
 120 /* set the decoding target buffer offsets */
 121 static struct radeon_winsys_cs_handle* si_uvd_set_dtb(struct ruvd_msg *msg, struct vl_video_buffer *buf)
 122 {
 123         struct r600_texture *luma = (struct r600_texture *)buf->resources[0];
 124         struct r600_texture *chroma = (struct r600_texture *)buf->resources[1];
 125
 126         msg->body.decode.dt_field_mode = buf->base.interlaced;
 127
 128         ruvd_set_dt_surfaces(msg, &luma->surface, &chroma->surface);
 129
 130         return luma->resource.cs_buf;
 131 }
 132
 133 /**
 134  * creates an UVD compatible decoder
 135  */
 136 struct pipe_video_codec *si_uvd_create_decoder(struct pipe_context *context,
 137                                                const struct pipe_video_codec *templ)
 138 {
 139         return ruvd_create_decoder(context, templ, si_uvd_set_dtb);
 140 }