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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 <sys/types.h>
  35. #include <assert.h>
  36. #include <errno.h>
  37. #include <unistd.h>
  38.  
  39. #include "pipe/p_video_decoder.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_resource_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: Setting the transfer flag is only a workaround till we get tiling working */
  80.         templ.flags = R600_RESOURCE_FLAG_TRANSFER;
  81.         resources[0] = (struct r600_resource_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.flags = R600_RESOURCE_FLAG_TRANSFER;
  89.                 resources[1] = (struct r600_resource_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.flags = R600_RESOURCE_FLAG_TRANSFER;
  98.                 resources[2] = (struct r600_resource_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->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->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_resource_texture *luma = (struct r600_resource_texture *)buf->resources[0];
  137.         struct r600_resource_texture *chroma = (struct r600_resource_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_decoder *radeonsi_uvd_create_decoder(struct pipe_context *context,
  150.                                                        enum pipe_video_profile profile,
  151.                                                        enum pipe_video_entrypoint entrypoint,
  152.                                                        enum pipe_video_chroma_format chroma_format,
  153.                                                        unsigned width, unsigned height,
  154.                                                        unsigned max_references, bool expect_chunked_decode)
  155. {
  156.         struct r600_context *ctx = (struct r600_context *)context;
  157.  
  158.         return ruvd_create_decoder(context, profile, entrypoint, chroma_format,
  159.                                    width, height, max_references, expect_chunked_decode,
  160.                                    ctx->ws, radeonsi_uvd_set_dtb);
  161. }
  162.