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       tex  = _mesa_lookup_texture(ctx, textureNames[i]);
 149       if (tex == NULL) {
 150          free(surf);
 151          _mesa_error(ctx, GL_INVALID_OPERATION,
 152                      "VDPAURegisterSurfaceNV(texture ID not found)");
 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       else if (tex->Target != target) {
 169          _mesa_unlock_texture(ctx, tex);
 170          free(surf);
 171          _mesa_error(ctx, GL_INVALID_OPERATION,
 172                      "VDPAURegisterSurfaceNV(target mismatch)");
 173          return (GLintptr)NULL;
 174       }
 175
 176       /* This will disallow respecifying the storage. */
 177       tex->Immutable = GL_TRUE;
 178       _mesa_unlock_texture(ctx, tex);
 179
 180       _mesa_reference_texobj(&surf->textures[i], tex);
 181    }
 182
 183    _mesa_set_add(ctx->vdpSurfaces, surf);
 184
 185    return (GLintptr)surf;
 186 }
 187
 188 GLintptr GLAPIENTRY
 189 _mesa_VDPAURegisterVideoSurfaceNV(const GLvoid *vdpSurface, GLenum target,
 190                                   GLsizei numTextureNames,
 191                                   const GLuint *textureNames)
 192 {
 193    GET_CURRENT_CONTEXT(ctx);
 194
 195    if (numTextureNames != 4) {
 196       _mesa_error(ctx, GL_INVALID_VALUE, "VDPAURegisterVideoSurfaceNV");
 197       return (GLintptr)NULL;
 198    }
 199
 200    return register_surface(ctx, false, vdpSurface, target,
 201                            numTextureNames, textureNames);
 202 }
 203
 204 GLintptr GLAPIENTRY
 205 _mesa_VDPAURegisterOutputSurfaceNV(const GLvoid *vdpSurface, GLenum target,
 206                                    GLsizei numTextureNames,
 207                                    const GLuint *textureNames)
 208 {
 209    GET_CURRENT_CONTEXT(ctx);
 210
 211    if (numTextureNames != 1) {
 212       _mesa_error(ctx, GL_INVALID_VALUE, "VDPAURegisterVideoSurfaceNV");
 213       return (GLintptr)NULL;
 214    }
 215
 216    return register_surface(ctx, true, vdpSurface, target,
 217                            numTextureNames, textureNames);
 218 }
 219
 220 GLboolean GLAPIENTRY
 221 _mesa_VDPAUIsSurfaceNV(GLintptr surface)
 222 {
 223    struct vdp_surface *surf = (struct vdp_surface *)surface;
 224    GET_CURRENT_CONTEXT(ctx);
 225
 226    if (!ctx->vdpDevice || !ctx->vdpGetProcAddress || !ctx->vdpSurfaces) {
 227       _mesa_error(ctx, GL_INVALID_OPERATION, "VDPAUIsSurfaceNV");
 228       return false;
 229    }
 230
 231    if (!_mesa_set_search(ctx->vdpSurfaces, surf)) {
 232       return false;
 233    }
 234
 235    return true;
 236 }
 237
 238 void GLAPIENTRY
 239 _mesa_VDPAUUnregisterSurfaceNV(GLintptr surface)
 240 {
 241    struct vdp_surface *surf = (struct vdp_surface *)surface;
 242    struct set_entry *entry;
 243    int i;
 244    GET_CURRENT_CONTEXT(ctx);
 245
 246    if (!ctx->vdpDevice || !ctx->vdpGetProcAddress || !ctx->vdpSurfaces) {
 247       _mesa_error(ctx, GL_INVALID_OPERATION, "VDPAUUnregisterSurfaceNV");
 248       return;
 249    }
 250
 251    /* according to the spec it's ok when this is zero */
 252    if (surface == 0)
 253       return;
 254
 255    entry = _mesa_set_search(ctx->vdpSurfaces, surf);
 256    if (!entry) {
 257       _mesa_error(ctx, GL_INVALID_VALUE, "VDPAUUnregisterSurfaceNV");
 258       return;
 259    }
 260
 261    for (i = 0; i < MAX_TEXTURES; i++) {
 262       if (surf->textures[i]) {
 263          surf->textures[i]->Immutable = GL_FALSE;
 264          _mesa_reference_texobj(&surf->textures[i], NULL);
 265       }
 266    }
 267
 268    _mesa_set_remove(ctx->vdpSurfaces, entry);
 269    free(surf);
 270 }
 271
 272 void GLAPIENTRY
 273 _mesa_VDPAUGetSurfaceivNV(GLintptr surface, GLenum pname, GLsizei bufSize,
 274                           GLsizei *length, GLint *values)
 275 {
 276    struct vdp_surface *surf = (struct vdp_surface *)surface;
 277    GET_CURRENT_CONTEXT(ctx);
 278
 279    if (!ctx->vdpDevice || !ctx->vdpGetProcAddress || !ctx->vdpSurfaces) {
 280       _mesa_error(ctx, GL_INVALID_OPERATION, "VDPAUGetSurfaceivNV");
 281       return;
 282    }
 283
 284    if (!_mesa_set_search(ctx->vdpSurfaces, surf)) {
 285       _mesa_error(ctx, GL_INVALID_VALUE, "VDPAUGetSurfaceivNV");
 286       return;
 287    }
 288
 289    if (pname != GL_SURFACE_STATE_NV) {
 290       _mesa_error(ctx, GL_INVALID_ENUM, "VDPAUGetSurfaceivNV");
 291       return;
 292    }
 293
 294    if (bufSize < 1) {
 295       _mesa_error(ctx, GL_INVALID_VALUE, "VDPAUGetSurfaceivNV");
 296       return;
 297    }
 298
 299    values[0] = surf->state;
 300
 301    if (length != NULL)
 302       *length = 1;
 303 }
 304
 305 void GLAPIENTRY
 306 _mesa_VDPAUSurfaceAccessNV(GLintptr surface, GLenum access)
 307 {
 308    struct vdp_surface *surf = (struct vdp_surface *)surface;
 309    GET_CURRENT_CONTEXT(ctx);
 310
 311    if (!ctx->vdpDevice || !ctx->vdpGetProcAddress || !ctx->vdpSurfaces) {
 312       _mesa_error(ctx, GL_INVALID_OPERATION, "VDPAUSurfaceAccessNV");
 313       return;
 314    }
 315
 316    if (!_mesa_set_search(ctx->vdpSurfaces, surf)) {
 317       _mesa_error(ctx, GL_INVALID_VALUE, "VDPAUSurfaceAccessNV");
 318       return;
 319    }
 320
 321    if (access != GL_READ_ONLY && access != GL_WRITE_ONLY &&
 322        access != GL_READ_WRITE) {
 323
 324       _mesa_error(ctx, GL_INVALID_VALUE, "VDPAUSurfaceAccessNV");
 325       return;
 326    }
 327
 328    if (surf->state == GL_SURFACE_MAPPED_NV) {
 329       _mesa_error(ctx, GL_INVALID_OPERATION, "VDPAUSurfaceAccessNV");
 330       return;
 331    }
 332
 333    surf->access = access;
 334 }
 335
 336 void GLAPIENTRY
 337 _mesa_VDPAUMapSurfacesNV(GLsizei numSurfaces, const GLintptr *surfaces)
 338 {
 339    GET_CURRENT_CONTEXT(ctx);
 340    int i;
 341
 342    if (!ctx->vdpDevice || !ctx->vdpGetProcAddress || !ctx->vdpSurfaces) {
 343       _mesa_error(ctx, GL_INVALID_OPERATION, "VDPAUUnmapSurfacesNV");
 344       return;
 345    }
 346
 347    for (i = 0; i < numSurfaces; ++i) {
 348       struct vdp_surface *surf = (struct vdp_surface *)surfaces[i];
 349
 350       if (!_mesa_set_search(ctx->vdpSurfaces, surf)) {
 351          _mesa_error(ctx, GL_INVALID_VALUE, "VDPAUSurfaceAccessNV");
 352          return;
 353       }
 354
 355       if (surf->state == GL_SURFACE_MAPPED_NV) {
 356          _mesa_error(ctx, GL_INVALID_OPERATION, "VDPAUSurfaceAccessNV");
 357          return;
 358       }
 359    }
 360
 361    for (i = 0; i < numSurfaces; ++i) {
 362       struct vdp_surface *surf = (struct vdp_surface *)surfaces[i];
 363       unsigned numTextureNames = surf->output ? 1 : 4;
 364       unsigned j;
 365
 366       for (j = 0; j < numTextureNames; ++j) {
 367          struct gl_texture_object *tex = surf->textures[j];
 368          struct gl_texture_image *image;
 369
 370          _mesa_lock_texture(ctx, tex);
 371          image = _mesa_get_tex_image(ctx, tex, surf->target, 0);
 372          if (!image) {
 373             _mesa_error(ctx, GL_OUT_OF_MEMORY, "VDPAUMapSurfacesNV");
 374             _mesa_unlock_texture(ctx, tex);
 375             return;
 376          }
 377
 378          ctx->Driver.FreeTextureImageBuffer(ctx, image);
 379
 380          ctx->Driver.VDPAUMapSurface(ctx, surf->target, surf->access,
 381                                      surf->output, tex, image,
 382                                      surf->vdpSurface, j);
 383
 384          _mesa_unlock_texture(ctx, tex);
 385       }
 386       surf->state = GL_SURFACE_MAPPED_NV;
 387    }
 388 }
 389
 390 void GLAPIENTRY
 391 _mesa_VDPAUUnmapSurfacesNV(GLsizei numSurfaces, const GLintptr *surfaces)
 392 {
 393    GET_CURRENT_CONTEXT(ctx);
 394    int i;
 395
 396    if (!ctx->vdpDevice || !ctx->vdpGetProcAddress || !ctx->vdpSurfaces) {
 397       _mesa_error(ctx, GL_INVALID_OPERATION, "VDPAUUnmapSurfacesNV");
 398       return;
 399    }
 400
 401    for (i = 0; i < numSurfaces; ++i) {
 402       struct vdp_surface *surf = (struct vdp_surface *)surfaces[i];
 403
 404       if (!_mesa_set_search(ctx->vdpSurfaces, surf)) {
 405          _mesa_error(ctx, GL_INVALID_VALUE, "VDPAUSurfaceAccessNV");
 406          return;
 407       }
 408
 409       if (surf->state != GL_SURFACE_MAPPED_NV) {
 410          _mesa_error(ctx, GL_INVALID_OPERATION, "VDPAUSurfaceAccessNV");
 411          return;
 412       }
 413    }
 414
 415    for (i = 0; i < numSurfaces; ++i) {
 416       struct vdp_surface *surf = (struct vdp_surface *)surfaces[i];
 417       unsigned numTextureNames = surf->output ? 1 : 4;
 418       unsigned j;
 419
 420       for (j = 0; j < numTextureNames; ++j) {
 421          struct gl_texture_object *tex = surf->textures[j];
 422          struct gl_texture_image *image;
 423
 424          _mesa_lock_texture(ctx, tex);
 425
 426          image = _mesa_select_tex_image(tex, surf->target, 0);
 427
 428          ctx->Driver.VDPAUUnmapSurface(ctx, surf->target, surf->access,
 429                                        surf->output, tex, image,
 430                                        surf->vdpSurface, j);
 431
 432          if (image)
 433             ctx->Driver.FreeTextureImageBuffer(ctx, image);
 434
 435          _mesa_unlock_texture(ctx, tex);
 436       }
 437       surf->state = GL_SURFACE_REGISTERED_NV;
 438    }
 439 }