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