src/gallium/state_trackers/va/buffer.c

   1 /**************************************************************************
   2  *
   3  * Copyright 2010 Thomas Balling Sørensen & Orasanu Lucian.
   4  * Copyright 2014 Advanced Micro Devices, Inc.
   5  * All Rights Reserved.
   6  *
   7  * Permission is hereby granted, free of charge, to any person obtaining a
   8  * copy of this software and associated documentation files (the
   9  * "Software"), to deal in the Software without restriction, including
  10  * without limitation the rights to use, copy, modify, merge, publish,
  11  * distribute, sub license, and/or sell copies of the Software, and to
  12  * permit persons to whom the Software is furnished to do so, subject to
  13  * the following conditions:
  14  *
  15  * The above copyright notice and this permission notice (including the
  16  * next paragraph) shall be included in all copies or substantial portions
  17  * of the Software.
  18  *
  19  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  20  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  21  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  22  * IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR
  23  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  24  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  25  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  26  *
  27  **************************************************************************/
  28
  29 #include "pipe/p_screen.h"
  30 #include "state_tracker/drm_driver.h"
  31 #include "util/u_memory.h"
  32 #include "util/u_handle_table.h"
  33 #include "util/u_transfer.h"
  34 #include "vl/vl_winsys.h"
  35
  36 #include "va_private.h"
  37
  38 VAStatus
  39 vlVaCreateBuffer(VADriverContextP ctx, VAContextID context, VABufferType type,
  40                  unsigned int size, unsigned int num_elements, void *data,
  41                  VABufferID *buf_id)
  42 {
  43    vlVaBuffer *buf;
  44
  45    if (!ctx)
  46       return VA_STATUS_ERROR_INVALID_CONTEXT;
  47
  48    buf = CALLOC(1, sizeof(vlVaBuffer));
  49    if (!buf)
  50       return VA_STATUS_ERROR_ALLOCATION_FAILED;
  51
  52    buf->type = type;
  53    buf->size = size;
  54    buf->num_elements = num_elements;
  55    buf->data = MALLOC(size * num_elements);
  56
  57    if (!buf->data) {
  58       FREE(buf);
  59       return VA_STATUS_ERROR_ALLOCATION_FAILED;
  60    }
  61
  62    if (data)
  63       memcpy(buf->data, data, size * num_elements);
  64
  65    *buf_id = handle_table_add(VL_VA_DRIVER(ctx)->htab, buf);
  66
  67    return VA_STATUS_SUCCESS;
  68 }
  69
  70 VAStatus
  71 vlVaBufferSetNumElements(VADriverContextP ctx, VABufferID buf_id,
  72                          unsigned int num_elements)
  73 {
  74    vlVaBuffer *buf;
  75
  76    if (!ctx)
  77       return VA_STATUS_ERROR_INVALID_CONTEXT;
  78
  79    buf = handle_table_get(VL_VA_DRIVER(ctx)->htab, buf_id);
  80    if (!buf)
  81       return VA_STATUS_ERROR_INVALID_BUFFER;
  82
  83    if (buf->derived_surface.resource)
  84       return VA_STATUS_ERROR_INVALID_BUFFER;
  85
  86    buf->data = REALLOC(buf->data, buf->size * buf->num_elements,
  87                        buf->size * num_elements);
  88    buf->num_elements = num_elements;
  89
  90    if (!buf->data)
  91       return VA_STATUS_ERROR_ALLOCATION_FAILED;
  92
  93    return VA_STATUS_SUCCESS;
  94 }
  95
  96 VAStatus
  97 vlVaMapBuffer(VADriverContextP ctx, VABufferID buf_id, void **pbuff)
  98 {
  99    vlVaDriver *drv;
 100    vlVaBuffer *buf;
 101
 102    if (!ctx)
 103       return VA_STATUS_ERROR_INVALID_CONTEXT;
 104
 105    drv = VL_VA_DRIVER(ctx);
 106    if (!drv)
 107       return VA_STATUS_ERROR_INVALID_CONTEXT;
 108
 109    if (!pbuff)
 110       return VA_STATUS_ERROR_INVALID_PARAMETER;
 111
 112    buf = handle_table_get(drv->htab, buf_id);
 113    if (!buf)
 114       return VA_STATUS_ERROR_INVALID_BUFFER;
 115
 116    if (buf->export_refcount > 0)
 117       return VA_STATUS_ERROR_INVALID_BUFFER;
 118
 119    if (buf->derived_surface.resource) {
 120       *pbuff = pipe_buffer_map(drv->pipe, buf->derived_surface.resource,
 121                                PIPE_TRANSFER_WRITE,
 122                                &buf->derived_surface.transfer);
 123
 124       if (!buf->derived_surface.transfer || !*pbuff)
 125          return VA_STATUS_ERROR_INVALID_BUFFER;
 126
 127    } else {
 128       *pbuff = buf->data;
 129    }
 130
 131    return VA_STATUS_SUCCESS;
 132 }
 133
 134 VAStatus
 135 vlVaUnmapBuffer(VADriverContextP ctx, VABufferID buf_id)
 136 {
 137    vlVaDriver *drv;
 138    vlVaBuffer *buf;
 139
 140    if (!ctx)
 141       return VA_STATUS_ERROR_INVALID_CONTEXT;
 142
 143    drv = VL_VA_DRIVER(ctx);
 144    if (!drv)
 145       return VA_STATUS_ERROR_INVALID_CONTEXT;
 146
 147    buf = handle_table_get(drv->htab, buf_id);
 148    if (!buf)
 149       return VA_STATUS_ERROR_INVALID_BUFFER;
 150
 151    if (buf->export_refcount > 0)
 152       return VA_STATUS_ERROR_INVALID_BUFFER;
 153
 154    if (buf->derived_surface.resource) {
 155       if (!buf->derived_surface.transfer)
 156          return VA_STATUS_ERROR_INVALID_BUFFER;
 157
 158       pipe_buffer_unmap(drv->pipe, buf->derived_surface.transfer);
 159       buf->derived_surface.transfer = NULL;
 160    }
 161
 162    return VA_STATUS_SUCCESS;
 163 }
 164
 165 VAStatus
 166 vlVaDestroyBuffer(VADriverContextP ctx, VABufferID buf_id)
 167 {
 168    vlVaBuffer *buf;
 169
 170    if (!ctx)
 171       return VA_STATUS_ERROR_INVALID_CONTEXT;
 172
 173    buf = handle_table_get(VL_VA_DRIVER(ctx)->htab, buf_id);
 174    if (!buf)
 175       return VA_STATUS_ERROR_INVALID_BUFFER;
 176
 177    if (buf->derived_surface.resource) {
 178       if (buf->export_refcount > 0)
 179          return VA_STATUS_ERROR_INVALID_BUFFER;
 180
 181       pipe_resource_reference(&buf->derived_surface.resource, NULL);
 182    }
 183
 184    FREE(buf->data);
 185    FREE(buf);
 186    handle_table_remove(VL_VA_DRIVER(ctx)->htab, buf_id);
 187
 188    return VA_STATUS_SUCCESS;
 189 }
 190
 191 VAStatus
 192 vlVaBufferInfo(VADriverContextP ctx, VABufferID buf_id, VABufferType *type,
 193                unsigned int *size, unsigned int *num_elements)
 194 {
 195    vlVaBuffer *buf;
 196
 197    if (!ctx)
 198       return VA_STATUS_ERROR_INVALID_CONTEXT;
 199
 200    buf = handle_table_get(VL_VA_DRIVER(ctx)->htab, buf_id);
 201    if (!buf)
 202       return VA_STATUS_ERROR_INVALID_BUFFER;
 203
 204    *type = buf->type;
 205    *size = buf->size;
 206    *num_elements = buf->num_elements;
 207
 208    return VA_STATUS_SUCCESS;
 209 }
 210
 211 VAStatus
 212 vlVaAcquireBufferHandle(VADriverContextP ctx, VABufferID buf_id,
 213                         VABufferInfo *out_buf_info)
 214 {
 215    vlVaDriver *drv;
 216    uint32_t i;
 217    uint32_t mem_type;
 218    vlVaBuffer *buf ;
 219    struct pipe_screen *screen;
 220
 221    /* List of supported memory types, in preferred order. */
 222    static const uint32_t mem_types[] = {
 223       VA_SURFACE_ATTRIB_MEM_TYPE_DRM_PRIME,
 224       0
 225    };
 226
 227    if (!ctx)
 228       return VA_STATUS_ERROR_INVALID_CONTEXT;
 229
 230    buf = handle_table_get(VL_VA_DRIVER(ctx)->htab, buf_id);
 231
 232    if (!buf)
 233       return VA_STATUS_ERROR_INVALID_BUFFER;
 234
 235    /* Only VA surface|image like buffers are supported for now .*/
 236    if (buf->type != VAImageBufferType)
 237       return VA_STATUS_ERROR_UNSUPPORTED_BUFFERTYPE;
 238
 239    if (!out_buf_info)
 240       return VA_STATUS_ERROR_INVALID_PARAMETER;
 241
 242    if (!out_buf_info->mem_type)
 243       mem_type = mem_types[0];
 244    else {
 245       mem_type = 0;
 246       for (i = 0; mem_types[i] != 0; i++) {
 247          if (out_buf_info->mem_type & mem_types[i]) {
 248             mem_type = out_buf_info->mem_type;
 249             break;
 250          }
 251       }
 252       if (!mem_type)
 253          return VA_STATUS_ERROR_UNSUPPORTED_MEMORY_TYPE;
 254    }
 255
 256    if (!buf->derived_surface.resource)
 257       return VA_STATUS_ERROR_INVALID_BUFFER;
 258
 259    drv = VL_VA_DRIVER(ctx);
 260    screen = VL_VA_PSCREEN(ctx);
 261
 262    if (buf->export_refcount > 0) {
 263       if (buf->export_state.mem_type != mem_type)
 264          return VA_STATUS_ERROR_INVALID_PARAMETER;
 265    } else {
 266       VABufferInfo * const buf_info = &buf->export_state;
 267
 268       switch (mem_type) {
 269       case VA_SURFACE_ATTRIB_MEM_TYPE_DRM_PRIME: {
 270          struct winsys_handle whandle;
 271
 272          drv->pipe->flush(drv->pipe, NULL, 0);
 273
 274          memset(&whandle, 0, sizeof(whandle));
 275          whandle.type = DRM_API_HANDLE_TYPE_FD;
 276
 277          if (!screen->resource_get_handle(screen, buf->derived_surface.resource, &whandle))
 278             return VA_STATUS_ERROR_INVALID_BUFFER;
 279
 280          buf_info->handle = (intptr_t)whandle.handle;
 281          break;
 282       }
 283       default:
 284          return VA_STATUS_ERROR_UNSUPPORTED_MEMORY_TYPE;
 285       }
 286
 287       buf_info->type = buf->type;
 288       buf_info->mem_type = mem_type;
 289       buf_info->mem_size = buf->num_elements * buf->size;
 290    }
 291
 292    buf->export_refcount++;
 293
 294    *out_buf_info = buf->export_state;
 295
 296    return VA_STATUS_SUCCESS;
 297 }
 298
 299 VAStatus
 300 vlVaReleaseBufferHandle(VADriverContextP ctx, VABufferID buf_id)
 301 {
 302    vlVaBuffer *buf;
 303
 304    if (!ctx)
 305       return VA_STATUS_ERROR_INVALID_CONTEXT;
 306
 307    buf = handle_table_get(VL_VA_DRIVER(ctx)->htab, buf_id);
 308
 309    if (!buf)
 310       return VA_STATUS_ERROR_INVALID_BUFFER;
 311
 312    if (buf->export_refcount == 0)
 313       return VA_STATUS_ERROR_INVALID_BUFFER;
 314
 315    if (--buf->export_refcount == 0) {
 316       VABufferInfo * const buf_info = &buf->export_state;
 317
 318       switch (buf_info->mem_type) {
 319       case VA_SURFACE_ATTRIB_MEM_TYPE_DRM_PRIME:
 320          close((intptr_t)buf_info->handle);
 321          break;
 322       default:
 323          return VA_STATUS_ERROR_INVALID_BUFFER;
 324       }
 325
 326       buf_info->mem_type = 0;
 327    }
 328
 329    return VA_STATUS_SUCCESS;
 330 }