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