src/gallium/drivers/radeonsi/radeonsi_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 <sys/types.h>
  35 #include <assert.h>
  36 #include <errno.h>
  37 #include <unistd.h>
  38
  39 #include "pipe/p_video_codec.h"
  40
  41 #include "util/u_memory.h"
  42 #include "util/u_video.h"
  43
  44 #include "vl/vl_defines.h"
  45 #include "vl/vl_mpeg12_decoder.h"
  46
  47 #include "radeonsi_pipe.h"
  48 #include "radeon/radeon_uvd.h"
  49 #include "sid.h"
  50
  51 /**
  52  * creates an video buffer with an UVD compatible memory layout
  53  */
  54 struct pipe_video_buffer *radeonsi_video_buffer_create(struct pipe_context *pipe,
  55                                                        const struct pipe_video_buffer *tmpl)
  56 {
  57         struct r600_context *ctx = (struct r600_context *)pipe;
  58         struct r600_texture *resources[VL_NUM_COMPONENTS] = {};
  59         struct radeon_surface *surfaces[VL_NUM_COMPONENTS] = {};
  60         struct pb_buffer **pbs[VL_NUM_COMPONENTS] = {};
  61         const enum pipe_format *resource_formats;
  62         struct pipe_video_buffer template;
  63         struct pipe_resource templ;
  64         unsigned i, array_size;
  65
  66         assert(pipe);
  67
  68         /* first create the needed resources as "normal" textures */
  69         resource_formats = vl_video_buffer_formats(pipe->screen, tmpl->buffer_format);
  70         if (!resource_formats)
  71                 return NULL;
  72
  73         array_size = tmpl->interlaced ? 2 : 1;
  74         template = *tmpl;
  75         template.width = align(tmpl->width, VL_MACROBLOCK_WIDTH);
  76         template.height = align(tmpl->height / array_size, VL_MACROBLOCK_HEIGHT);
  77
  78         vl_video_buffer_template(&templ, &template, resource_formats[0], 1, array_size, PIPE_USAGE_STATIC, 0);
  79         /* TODO: get tiling working */
  80         templ.bind = PIPE_BIND_LINEAR;
  81         resources[0] = (struct r600_texture *)
  82                 pipe->screen->resource_create(pipe->screen, &templ);
  83         if (!resources[0])
  84                 goto error;
  85
  86         if (resource_formats[1] != PIPE_FORMAT_NONE) {
  87                 vl_video_buffer_template(&templ, &template, resource_formats[1], 1, array_size, PIPE_USAGE_STATIC, 1);
  88                 templ.bind = PIPE_BIND_LINEAR;
  89                 resources[1] = (struct r600_texture *)
  90                         pipe->screen->resource_create(pipe->screen, &templ);
  91                 if (!resources[1])
  92                         goto error;
  93         }
  94
  95         if (resource_formats[2] != PIPE_FORMAT_NONE) {
  96                 vl_video_buffer_template(&templ, &template, resource_formats[2], 1, array_size, PIPE_USAGE_STATIC, 2);
  97                 templ.bind = PIPE_BIND_LINEAR;
  98                 resources[2] = (struct r600_texture *)
  99                         pipe->screen->resource_create(pipe->screen, &templ);
 100                 if (!resources[2])
 101                         goto error;
 102         }
 103
 104         for (i = 0; i < VL_NUM_COMPONENTS; ++i) {
 105                 if (!resources[i])
 106                         continue;
 107
 108                 surfaces[i] = & resources[i]->surface;
 109                 pbs[i] = &resources[i]->resource.buf;
 110         }
 111
 112         ruvd_join_surfaces(ctx->b.ws, templ.bind, pbs, surfaces);
 113
 114         for (i = 0; i < VL_NUM_COMPONENTS; ++i) {
 115                 if (!resources[i])
 116                         continue;
 117
 118                 /* recreate the CS handle */
 119                 resources[i]->resource.cs_buf = ctx->b.ws->buffer_get_cs_handle(
 120                         resources[i]->resource.buf);
 121         }
 122
 123         template.height *= array_size;
 124         return vl_video_buffer_create_ex2(pipe, &template, (struct pipe_resource **)resources);
 125
 126 error:
 127         for (i = 0; i < VL_NUM_COMPONENTS; ++i)
 128                 pipe_resource_reference((struct pipe_resource **)&resources[i], NULL);
 129
 130         return NULL;
 131 }
 132
 133 /* set the decoding target buffer offsets */
 134 static struct radeon_winsys_cs_handle* radeonsi_uvd_set_dtb(struct ruvd_msg *msg, struct vl_video_buffer *buf)
 135 {
 136         struct r600_texture *luma = (struct r600_texture *)buf->resources[0];
 137         struct r600_texture *chroma = (struct r600_texture *)buf->resources[1];
 138
 139         msg->body.decode.dt_field_mode = buf->base.interlaced;
 140
 141         ruvd_set_dt_surfaces(msg, &luma->surface, &chroma->surface);
 142
 143         return luma->resource.cs_buf;
 144 }
 145
 146 /**
 147  * creates an UVD compatible decoder
 148  */
 149 struct pipe_video_codec *radeonsi_uvd_create_decoder(struct pipe_context *context,
 150                                                      const struct pipe_video_codec *templ)
 151 {
 152         return ruvd_create_decoder(context, templ, radeonsi_uvd_set_dtb);
 153 }