src/mesa/main/vdpau.c

   1 /**************************************************************************
   2  *
   3  * Copyright 2013 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 <stdbool.h>
  35 #include "util/hash_table.h"
  36 #include "util/set.h"
  37 #include "context.h"
  38 #include "glformats.h"
  39 #include "texobj.h"
  40 #include "teximage.h"
  41 #include "vdpau.h"
  42
  43 #define MAX_TEXTURES 4
  44
  45 struct vdp_surface
  46 {
  47    GLenum target;
  48    struct gl_texture_object *textures[MAX_TEXTURES];
  49    GLenum access, state;
  50    GLboolean output;
  51    const GLvoid *vdpSurface;
  52 };
  53
  54 void GLAPIENTRY
  55 _mesa_VDPAUInitNV(const GLvoid *vdpDevice, const GLvoid *getProcAddress)
  56 {
  57    GET_CURRENT_CONTEXT(ctx);
  58
  59    if (!vdpDevice) {
  60       _mesa_error(ctx, GL_INVALID_VALUE, "vdpDevice");
  61       return;
  62    }
  63
  64    if (!getProcAddress) {
  65       _mesa_error(ctx, GL_INVALID_VALUE, "getProcAddress");
  66       return;
  67    }
  68
  69    if (ctx->vdpDevice || ctx->vdpGetProcAddress || ctx->vdpSurfaces) {
  70       _mesa_error(ctx, GL_INVALID_OPERATION, "VDPAUInitNV");
  71       return;
  72    }
  73
  74    ctx->vdpDevice = vdpDevice;
  75    ctx->vdpGetProcAddress = getProcAddress;
  76    ctx->vdpSurfaces = _mesa_set_create(NULL, _mesa_hash_pointer,
  77                                        _mesa_key_pointer_equal);
  78 }
  79
  80 static void
  81 unregister_surface(struct set_entry *entry)
  82 {
  83    struct vdp_surface *surf = (struct vdp_surface *)entry->key;
  84    GET_CURRENT_CONTEXT(ctx);
  85
  86    if (surf->state == GL_SURFACE_MAPPED_NV) {
  87       GLintptr surfaces[] = { (GLintptr)surf };
  88       _mesa_VDPAUUnmapSurfacesNV(1, surfaces);
  89    }
  90
  91    _mesa_set_remove(ctx->vdpSurfaces, entry);
  92    free(surf);
  93 }
  94
  95 void GLAPIENTRY
  96 _mesa_VDPAUFiniNV(void)
  97 {
  98    GET_CURRENT_CONTEXT(ctx);
  99
 100    if (!ctx->vdpDevice || !ctx->vdpGetProcAddress || !ctx->vdpSurfaces) {
 101       _mesa_error(ctx, GL_INVALID_OPERATION, "VDPAUFiniNV");
 102       return;
 103    }
 104
 105    _mesa_set_destroy(ctx->vdpSurfaces, unregister_surface);
 106
 107    ctx->vdpDevice = 0;
 108    ctx->vdpGetProcAddress = 0;
 109    ctx->vdpSurfaces = NULL;
 110 }
 111
 112 static GLintptr
 113 register_surface(struct gl_context *ctx, GLboolean isOutput,
 114                  const GLvoid *vdpSurface, GLenum target,
 115                  GLsizei numTextureNames, const GLuint *textureNames)
 116 {
 117    struct vdp_surface *surf;
 118    int i;
 119
 120    if (!ctx->vdpDevice || !ctx->vdpGetProcAddress || !ctx->vdpSurfaces) {
 121       _mesa_error(ctx, GL_INVALID_OPERATION, "VDPAURegisterSurfaceNV");
 122       return (GLintptr)NULL;
 123    }
 124
 125    if (target != GL_TEXTURE_2D && target != GL_TEXTURE_RECTANGLE) {
 126       _mesa_error(ctx, GL_INVALID_ENUM, "VDPAURegisterSurfaceNV");
 127       return (GLintptr)NULL;
 128    }
 129
 130    if (target == GL_TEXTURE_RECTANGLE && !ctx->Extensions.NV_texture_rectangle) {
 131       _mesa_error(ctx, GL_INVALID_ENUM, "VDPAURegisterSurfaceNV");
 132       return (GLintptr)NULL;
 133    }
 134
 135    surf = CALLOC_STRUCT( vdp_surface );
 136    if (surf == NULL) {
 137       _mesa_error_no_memory("VDPAURegisterSurfaceNV");
 138       return (GLintptr)NULL;
 139    }
 140
 141    surf->vdpSurface = vdpSurface;
 142    surf->target = target;
 143    surf->access = GL_READ_WRITE;
 144    surf->state = GL_SURFACE_REGISTERED_NV;
 145    surf->output = isOutput;
 146    for (i = 0; i < numTextureNames; ++i) {
 147       struct gl_texture_object *tex;
 148
 149       tex = _mesa_lookup_texture_err(ctx, textureNames[i],
 150                                      "VDPAURegisterSurfaceNV");
 151       if (tex == NULL) {
 152          free(surf);
 153          return (GLintptr)NULL;
 154       }
 155
 156       _mesa_lock_texture(ctx, tex);
 157
 158       if (tex->Immutable) {
 159          _mesa_unlock_texture(ctx, tex);
 160          free(surf);
 161          _mesa_error(ctx, GL_INVALID_OPERATION,
 162                      "VDPAURegisterSurfaceNV(texture is immutable)");
 163          return (GLintptr)NULL;
 164       }
 165
 166       if (tex->Target == 0) {
 167          tex->Target = target;
 168          tex->TargetIndex = _mesa_tex_target_to_index(ctx, target);
 169       } else if (tex->Target != target) {
 170          _mesa_unlock_texture(ctx, tex);
 171          free(surf);
 172          _mesa_error(ctx, GL_INVALID_OPERATION,
 173                      "VDPAURegisterSurfaceNV(target mismatch)");
 174          return (GLintptr)NULL;
 175       }
 176
 177       /* This will disallow respecifying the storage. */
 178       tex->Immutable = GL_TRUE;
 179       _mesa_unlock_texture(ctx, tex);
 180
 181       _mesa_reference_texobj(&surf->textures[i], tex);
 182    }
 183
 184    _mesa_set_add(ctx->vdpSurfaces, surf);
 185
 186    return (GLintptr)surf;
 187 }
 188
 189 GLintptr GLAPIENTRY
 190 _mesa_VDPAURegisterVideoSurfaceNV(const GLvoid *vdpSurface, GLenum target,
 191                                   GLsizei numTextureNames,
 192                                   const GLuint *textureNames)
 193 {
 194    GET_CURRENT_CONTEXT(ctx);
 195
 196    if (numTextureNames != 4) {
 197       _mesa_error(ctx, GL_INVALID_VALUE, "VDPAURegisterVideoSurfaceNV");
 198       return (GLintptr)NULL;
 199    }
 200
 201    return register_surface(ctx, false, vdpSurface, target,
 202                            numTextureNames, textureNames);
 203 }
 204
 205 GLintptr GLAPIENTRY
 206 _mesa_VDPAURegisterOutputSurfaceNV(const GLvoid *vdpSurface, GLenum target,
 207                                    GLsizei numTextureNames,
 208                                    const GLuint *textureNames)
 209 {
 210    GET_CURRENT_CONTEXT(ctx);
 211
 212    if (numTextureNames != 1) {
 213       _mesa_error(ctx, GL_INVALID_VALUE, "VDPAURegisterVideoSurfaceNV");
 214       return (GLintptr)NULL;
 215    }
 216
 217    return register_surface(ctx, true, vdpSurface, target,
 218                            numTextureNames, textureNames);
 219 }
 220
 221 GLboolean GLAPIENTRY
 222 _mesa_VDPAUIsSurfaceNV(GLintptr surface)
 223 {
 224    struct vdp_surface *surf = (struct vdp_surface *)surface;
 225    GET_CURRENT_CONTEXT(ctx);
 226
 227    if (!ctx->vdpDevice || !ctx->vdpGetProcAddress || !ctx->vdpSurfaces) {
 228       _mesa_error(ctx, GL_INVALID_OPERATION, "VDPAUIsSurfaceNV");
 229       return false;
 230    }
 231
 232    if (!_mesa_set_search(ctx->vdpSurfaces, surf)) {
 233       return false;
 234    }
 235
 236    return true;
 237 }
 238
 239 void GLAPIENTRY
 240 _mesa_VDPAUUnregisterSurfaceNV(GLintptr surface)
 241 {
 242    struct vdp_surface *surf = (struct vdp_surface *)surface;
 243    struct set_entry *entry;
 244    int i;
 245    GET_CURRENT_CONTEXT(ctx);
 246
 247    if (!ctx->vdpDevice || !ctx->vdpGetProcAddress || !ctx->vdpSurfaces) {
 248       _mesa_error(ctx, GL_INVALID_OPERATION, "VDPAUUnregisterSurfaceNV");
 249       return;
 250    }
 251
 252    /* according to the spec it's ok when this is zero */
 253    if (surface == 0)
 254       return;
 255
 256    entry = _mesa_set_search(ctx->vdpSurfaces, surf);
 257    if (!entry) {
 258       _mesa_error(ctx, GL_INVALID_VALUE, "VDPAUUnregisterSurfaceNV");
 259       return;
 260    }
 261
 262    for (i = 0; i < MAX_TEXTURES; i++) {
 263       if (surf->textures[i]) {
 264          surf->textures[i]->Immutable = GL_FALSE;
 265          _mesa_reference_texobj(&surf->textures[i], NULL);
 266       }
 267    }
 268
 269    _mesa_set_remove(ctx->vdpSurfaces, entry);
 270    free(surf);
 271 }
 272
 273 void GLAPIENTRY
 274 _mesa_VDPAUGetSurfaceivNV(GLintptr surface, GLenum pname, GLsizei bufSize,
 275                           GLsizei *length, GLint *values)
 276 {
 277    struct vdp_surface *surf = (struct vdp_surface *)surface;
 278    GET_CURRENT_CONTEXT(ctx);
 279
 280    if (!ctx->vdpDevice || !ctx->vdpGetProcAddress || !ctx->vdpSurfaces) {
 281       _mesa_error(ctx, GL_INVALID_OPERATION, "VDPAUGetSurfaceivNV");
 282       return;
 283    }
 284
 285    if (!_mesa_set_search(ctx->vdpSurfaces, surf)) {
 286       _mesa_error(ctx, GL_INVALID_VALUE, "VDPAUGetSurfaceivNV");
 287       return;
 288    }
 289
 290    if (pname != GL_SURFACE_STATE_NV) {
 291       _mesa_error(ctx, GL_INVALID_ENUM, "VDPAUGetSurfaceivNV");
 292       return;
 293    }
 294
 295    if (bufSize < 1) {
 296       _mesa_error(ctx, GL_INVALID_VALUE, "VDPAUGetSurfaceivNV");
 297       return;
 298    }
 299
 300    values[0] = surf->state;
 301
 302    if (length != NULL)
 303       *length = 1;
 304 }
 305
 306 void GLAPIENTRY
 307 _mesa_VDPAUSurfaceAccessNV(GLintptr surface, GLenum access)
 308 {
 309    struct vdp_surface *surf = (struct vdp_surface *)surface;
 310    GET_CURRENT_CONTEXT(ctx);
 311
 312    if (!ctx->vdpDevice || !ctx->vdpGetProcAddress || !ctx->vdpSurfaces) {
 313       _mesa_error(ctx, GL_INVALID_OPERATION, "VDPAUSurfaceAccessNV");
 314       return;
 315    }
 316
 317    if (!_mesa_set_search(ctx->vdpSurfaces, surf)) {
 318       _mesa_error(ctx, GL_INVALID_VALUE, "VDPAUSurfaceAccessNV");
 319       return;
 320    }
 321
 322    if (access != GL_READ_ONLY && access != GL_WRITE_ONLY &&
 323        access != GL_READ_WRITE) {
 324
 325       _mesa_error(ctx, GL_INVALID_VALUE, "VDPAUSurfaceAccessNV");
 326       return;
 327    }
 328
 329    if (surf->state == GL_SURFACE_MAPPED_NV) {
 330       _mesa_error(ctx, GL_INVALID_OPERATION, "VDPAUSurfaceAccessNV");
 331       return;
 332    }
 333
 334    surf->access = access;
 335 }
 336
 337 void GLAPIENTRY
 338 _mesa_VDPAUMapSurfacesNV(GLsizei numSurfaces, const GLintptr *surfaces)
 339 {
 340    GET_CURRENT_CONTEXT(ctx);
 341    int i;
 342
 343    if (!ctx->vdpDevice || !ctx->vdpGetProcAddress || !ctx->vdpSurfaces) {
 344       _mesa_error(ctx, GL_INVALID_OPERATION, "VDPAUUnmapSurfacesNV");
 345       return;
 346    }
 347
 348    for (i = 0; i < numSurfaces; ++i) {
 349       struct vdp_surface *surf = (struct vdp_surface *)surfaces[i];
 350
 351       if (!_mesa_set_search(ctx->vdpSurfaces, surf)) {
 352          _mesa_error(ctx, GL_INVALID_VALUE, "VDPAUSurfaceAccessNV");
 353          return;
 354       }
 355
 356       if (surf->state == GL_SURFACE_MAPPED_NV) {
 357          _mesa_error(ctx, GL_INVALID_OPERATION, "VDPAUSurfaceAccessNV");
 358          return;
 359       }
 360    }
 361
 362    for (i = 0; i < numSurfaces; ++i) {
 363       struct vdp_surface *surf = (struct vdp_surface *)surfaces[i];
 364       unsigned numTextureNames = surf->output ? 1 : 4;
 365       unsigned j;
 366
 367       for (j = 0; j < numTextureNames; ++j) {
 368          struct gl_texture_object *tex = surf->textures[j];
 369          struct gl_texture_image *image;
 370
 371          _mesa_lock_texture(ctx, tex);
 372          image = _mesa_get_tex_image(ctx, tex, surf->target, 0);
 373          if (!image) {
 374             _mesa_error(ctx, GL_OUT_OF_MEMORY, "VDPAUMapSurfacesNV");
 375             _mesa_unlock_texture(ctx, tex);
 376             return;
 377          }
 378
 379          ctx->Driver.FreeTextureImageBuffer(ctx, image);
 380
 381          ctx->Driver.VDPAUMapSurface(ctx, surf->target, surf->access,
 382                                      surf->output, tex, image,
 383                                      surf->vdpSurface, j);
 384
 385          _mesa_unlock_texture(ctx, tex);
 386       }
 387       surf->state = GL_SURFACE_MAPPED_NV;
 388    }
 389 }
 390
 391 void GLAPIENTRY
 392 _mesa_VDPAUUnmapSurfacesNV(GLsizei numSurfaces, const GLintptr *surfaces)
 393 {
 394    GET_CURRENT_CONTEXT(ctx);
 395    int i;
 396
 397    if (!ctx->vdpDevice || !ctx->vdpGetProcAddress || !ctx->vdpSurfaces) {
 398       _mesa_error(ctx, GL_INVALID_OPERATION, "VDPAUUnmapSurfacesNV");
 399       return;
 400    }
 401
 402    for (i = 0; i < numSurfaces; ++i) {
 403       struct vdp_surface *surf = (struct vdp_surface *)surfaces[i];
 404
 405       if (!_mesa_set_search(ctx->vdpSurfaces, surf)) {
 406          _mesa_error(ctx, GL_INVALID_VALUE, "VDPAUSurfaceAccessNV");
 407          return;
 408       }
 409
 410       if (surf->state != GL_SURFACE_MAPPED_NV) {
 411          _mesa_error(ctx, GL_INVALID_OPERATION, "VDPAUSurfaceAccessNV");
 412          return;
 413       }
 414    }
 415
 416    for (i = 0; i < numSurfaces; ++i) {
 417       struct vdp_surface *surf = (struct vdp_surface *)surfaces[i];
 418       unsigned numTextureNames = surf->output ? 1 : 4;
 419       unsigned j;
 420
 421       for (j = 0; j < numTextureNames; ++j) {
 422          struct gl_texture_object *tex = surf->textures[j];
 423          struct gl_texture_image *image;
 424
 425          _mesa_lock_texture(ctx, tex);
 426
 427          image = _mesa_select_tex_image(tex, surf->target, 0);
 428
 429          ctx->Driver.VDPAUUnmapSurface(ctx, surf->target, surf->access,
 430                                        surf->output, tex, image,
 431                                        surf->vdpSurface, j);
 432
 433          if (image)
 434             ctx->Driver.FreeTextureImageBuffer(ctx, image);
 435
 436          _mesa_unlock_texture(ctx, tex);
 437       }
 438       surf->state = GL_SURFACE_REGISTERED_NV;
 439    }
 440 }