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  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_surf *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_surf **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. }
  163.