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 Knig <christian.koenig (at) 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 "r600_pipe.h" 48 #include "radeon/radeon_video.h" 49 #include "radeon/radeon_uvd.h" 50 #include "radeon/radeon_vce.h" 51 #include "r600d.h" 52 53 #define R600_UVD_ENABLE_TILING 0 54 55 /** 56 * creates an video buffer with an UVD compatible memory layout 57 */ 58 struct pipe_video_buffer *r600_video_buffer_create(struct pipe_context *pipe, 59 const struct pipe_video_buffer *tmpl) 60 { 61 struct r600_context *ctx = (struct r600_context *)pipe; 62 struct r600_texture *resources[VL_NUM_COMPONENTS] = {}; 63 struct radeon_surf* surfaces[VL_NUM_COMPONENTS] = {}; 64 struct pb_buffer **pbs[VL_NUM_COMPONENTS] = {}; 65 const enum pipe_format *resource_formats; 66 struct pipe_video_buffer template; 67 struct pipe_resource templ; 68 unsigned i, array_size; 69 70 assert(pipe); 71 72 /* first create the needed resources as "normal" textures */ 73 resource_formats = vl_video_buffer_formats(pipe->screen, tmpl->buffer_format); 74 if (!resource_formats) 75 return NULL; 76 77 array_size = tmpl->interlaced ? 2 : 1; 78 template = *tmpl; 79 template.width = align(tmpl->width, VL_MACROBLOCK_WIDTH); 80 template.height = align(tmpl->height / array_size, VL_MACROBLOCK_HEIGHT); 81 82 vl_video_buffer_template(&templ, &template, resource_formats[0], 1, array_size, PIPE_USAGE_DEFAULT, 0); 83 if (ctx->b.chip_class < EVERGREEN || tmpl->interlaced || !R600_UVD_ENABLE_TILING) 84 templ.bind = PIPE_BIND_LINEAR; 85 resources[0] = (struct r600_texture *) 86 pipe->screen->resource_create(pipe->screen, &templ); 87 if (!resources[0]) 88 goto error; 89 90 if (resource_formats[1] != PIPE_FORMAT_NONE) { 91 vl_video_buffer_template(&templ, &template, resource_formats[1], 1, array_size, PIPE_USAGE_DEFAULT, 1); 92 if (ctx->b.chip_class < EVERGREEN || tmpl->interlaced || !R600_UVD_ENABLE_TILING) 93 templ.bind = PIPE_BIND_LINEAR; 94 resources[1] = (struct r600_texture *) 95 pipe->screen->resource_create(pipe->screen, &templ); 96 if (!resources[1]) 97 goto error; 98 } 99 100 if (resource_formats[2] != PIPE_FORMAT_NONE) { 101 vl_video_buffer_template(&templ, &template, resource_formats[2], 1, array_size, PIPE_USAGE_DEFAULT, 2); 102 if (ctx->b.chip_class < EVERGREEN || tmpl->interlaced || !R600_UVD_ENABLE_TILING) 103 templ.bind = PIPE_BIND_LINEAR; 104 resources[2] = (struct r600_texture *) 105 pipe->screen->resource_create(pipe->screen, &templ); 106 if (!resources[2]) 107 goto error; 108 } 109 110 for (i = 0; i < VL_NUM_COMPONENTS; ++i) { 111 if (!resources[i]) 112 continue; 113 114 pbs[i] = &resources[i]->resource.buf; 115 surfaces[i] = &resources[i]->surface; 116 } 117 118 rvid_join_surfaces(ctx->b.ws, pbs, surfaces); 119 120 for (i = 0; i < VL_NUM_COMPONENTS; ++i) { 121 if (!resources[i]) 122 continue; 123 124 /* reset the address */ 125 resources[i]->resource.gpu_address = ctx->b.ws->buffer_get_virtual_address( 126 resources[i]->resource.buf); 127 } 128 129 template.height *= array_size; 130 return vl_video_buffer_create_ex2(pipe, &template, (struct pipe_resource **)resources); 131 132 error: 133 for (i = 0; i < VL_NUM_COMPONENTS; ++i) 134 r600_texture_reference(&resources[i], NULL); 135 136 return NULL; 137 } 138 139 /* hw encode the number of memory banks */ 140 static uint32_t eg_num_banks(uint32_t nbanks) 141 { 142 switch (nbanks) { 143 case 2: 144 return 0; 145 case 4: 146 return 1; 147 case 8: 148 default: 149 return 2; 150 case 16: 151 return 3; 152 } 153 } 154 155 /* set the decoding target buffer offsets */ 156 static struct pb_buffer* r600_uvd_set_dtb(struct ruvd_msg *msg, struct vl_video_buffer *buf) 157 { 158 struct r600_screen *rscreen = (struct r600_screen*)buf->base.context->screen; 159 struct r600_texture *luma = (struct r600_texture *)buf->resources[0]; 160 struct r600_texture *chroma = (struct r600_texture *)buf->resources[1]; 161 162 msg->body.decode.dt_field_mode = buf->base.interlaced; 163 msg->body.decode.dt_surf_tile_config |= RUVD_NUM_BANKS(eg_num_banks(rscreen->b.info.r600_num_banks)); 164 165 ruvd_set_dt_surfaces(msg, &luma->surface, &chroma->surface); 166 167 return luma->resource.buf; 168 } 169 170 /* get the radeon resources for VCE */ 171 static void r600_vce_get_buffer(struct pipe_resource *resource, 172 struct pb_buffer **handle, 173 struct radeon_surf **surface) 174 { 175 struct r600_texture *res = (struct r600_texture *)resource; 176 177 if (handle) 178 *handle = res->resource.buf; 179 180 if (surface) 181 *surface = &res->surface; 182 } 183 184 /* create decoder */ 185 struct pipe_video_codec *r600_uvd_create_decoder(struct pipe_context *context, 186 const struct pipe_video_codec *templat) 187 { 188 struct r600_context *ctx = (struct r600_context *)context; 189 190 if (templat->entrypoint == PIPE_VIDEO_ENTRYPOINT_ENCODE) 191 return rvce_create_encoder(context, templat, ctx->b.ws, r600_vce_get_buffer); 192 193 return ruvd_create_decoder(context, templat, r600_uvd_set_dtb); 194 } 195
