src/mesa/drivers/dri/nouveau/nouveau_texture.c

   1 /*
   2  * Copyright (C) 2009 Francisco Jerez.
   3  * All Rights Reserved.
   4  *
   5  * Permission is hereby granted, free of charge, to any person obtaining
   6  * a copy of this software and associated documentation files (the
   7  * "Software"), to deal in the Software without restriction, including
   8  * without limitation the rights to use, copy, modify, merge, publish,
   9  * distribute, sublicense, and/or sell copies of the Software, and to
  10  * permit persons to whom the Software is furnished to do so, subject to
  11  * the following conditions:
  12  *
  13  * The above copyright notice and this permission notice (including the
  14  * next paragraph) shall be included in all copies or substantial
  15  * portions of the Software.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  18  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  19  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
  20  * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
  21  * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  22  * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  23  * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  24  *
  25  */
  26
  27 #include "nouveau_driver.h"
  28 #include "nouveau_context.h"
  29 #include "nouveau_texture.h"
  30 #include "nouveau_fbo.h"
  31 #include "nouveau_util.h"
  32
  33 #include "main/texobj.h"
  34 #include "main/texstore.h"
  35 #include "main/texformat.h"
  36 #include "main/texcompress.h"
  37 #include "main/texgetimage.h"
  38 #include "main/mipmap.h"
  39 #include "main/texfetch.h"
  40 #include "main/teximage.h"
  41
  42 static struct gl_texture_object *
  43 nouveau_texture_new(GLcontext *ctx, GLuint name, GLenum target)
  44 {
  45         struct nouveau_texture *nt = CALLOC_STRUCT(nouveau_texture);
  46
  47         _mesa_initialize_texture_object(&nt->base, name, target);
  48
  49         return &nt->base;
  50 }
  51
  52 static void
  53 nouveau_texture_free(GLcontext *ctx, struct gl_texture_object *t)
  54 {
  55         struct nouveau_texture *nt = to_nouveau_texture(t);
  56         int i;
  57
  58         for (i = 0; i < MAX_TEXTURE_LEVELS; i++)
  59                 nouveau_surface_ref(NULL, &nt->surfaces[i]);
  60
  61         _mesa_delete_texture_object(ctx, t);
  62 }
  63
  64 static struct gl_texture_image *
  65 nouveau_teximage_new(GLcontext *ctx)
  66 {
  67         struct nouveau_teximage *nti = CALLOC_STRUCT(nouveau_teximage);
  68
  69         return &nti->base;
  70 }
  71
  72 static void
  73 nouveau_teximage_free(GLcontext *ctx, struct gl_texture_image *ti)
  74 {
  75         struct nouveau_teximage *nti = to_nouveau_teximage(ti);
  76
  77         nouveau_surface_ref(NULL, &nti->surface);
  78 }
  79
  80 static void
  81 nouveau_teximage_map(GLcontext *ctx, struct gl_texture_image *ti)
  82 {
  83         struct nouveau_surface *s = &to_nouveau_teximage(ti)->surface;
  84         int ret;
  85
  86         if (s->bo) {
  87                 ret = nouveau_bo_map(s->bo, NOUVEAU_BO_RDWR);
  88                 assert(!ret);
  89
  90                 ti->Data = s->bo->map;
  91         }
  92 }
  93
  94 static void
  95 nouveau_teximage_unmap(GLcontext *ctx, struct gl_texture_image *ti)
  96 {
  97         struct nouveau_surface *s = &to_nouveau_teximage(ti)->surface;
  98
  99         if (s->bo)
 100                 nouveau_bo_unmap(s->bo);
 101         ti->Data = NULL;
 102 }
 103
 104 static gl_format
 105 nouveau_choose_tex_format(GLcontext *ctx, GLint internalFormat,
 106                           GLenum srcFormat, GLenum srcType)
 107 {
 108         switch (internalFormat) {
 109         case 4:
 110         case GL_RGBA:
 111         case GL_RGBA2:
 112         case GL_RGBA4:
 113         case GL_RGBA8:
 114         case GL_RGBA12:
 115         case GL_RGBA16:
 116         case GL_RGB10_A2:
 117                 return MESA_FORMAT_ARGB8888;
 118         case GL_RGB5_A1:
 119                 return MESA_FORMAT_ARGB1555;
 120
 121         case GL_RGB:
 122         case GL_RGB8:
 123         case GL_RGB10:
 124         case GL_RGB12:
 125         case GL_RGB16:
 126                 return MESA_FORMAT_XRGB8888;
 127         case 3:
 128         case GL_R3_G3_B2:
 129         case GL_RGB4:
 130         case GL_RGB5:
 131                 return MESA_FORMAT_RGB565;
 132
 133         case 2:
 134         case GL_LUMINANCE_ALPHA:
 135         case GL_LUMINANCE4_ALPHA4:
 136         case GL_LUMINANCE6_ALPHA2:
 137         case GL_LUMINANCE12_ALPHA4:
 138         case GL_LUMINANCE12_ALPHA12:
 139         case GL_LUMINANCE16_ALPHA16:
 140         case GL_LUMINANCE8_ALPHA8:
 141                 return MESA_FORMAT_ARGB8888;
 142
 143         case 1:
 144         case GL_LUMINANCE:
 145         case GL_LUMINANCE4:
 146         case GL_LUMINANCE12:
 147         case GL_LUMINANCE16:
 148         case GL_LUMINANCE8:
 149                 return MESA_FORMAT_L8;
 150
 151         case GL_ALPHA:
 152         case GL_ALPHA4:
 153         case GL_ALPHA12:
 154         case GL_ALPHA16:
 155         case GL_ALPHA8:
 156                 return MESA_FORMAT_A8;
 157
 158         case GL_INTENSITY:
 159         case GL_INTENSITY4:
 160         case GL_INTENSITY12:
 161         case GL_INTENSITY16:
 162         case GL_INTENSITY8:
 163                 return MESA_FORMAT_I8;
 164
 165         case GL_COLOR_INDEX:
 166         case GL_COLOR_INDEX1_EXT:
 167         case GL_COLOR_INDEX2_EXT:
 168         case GL_COLOR_INDEX4_EXT:
 169         case GL_COLOR_INDEX12_EXT:
 170         case GL_COLOR_INDEX16_EXT:
 171         case GL_COLOR_INDEX8_EXT:
 172                 return MESA_FORMAT_CI8;
 173
 174         default:
 175                 assert(0);
 176         }
 177 }
 178
 179 static GLboolean
 180 teximage_fits(struct gl_texture_object *t, int level)
 181 {
 182         struct nouveau_surface *s = &to_nouveau_texture(t)->surfaces[level];
 183         struct gl_texture_image *ti = t->Image[0][level];
 184
 185         return ti && (t->Target == GL_TEXTURE_RECTANGLE ||
 186                       (s->bo && s->width == ti->Width &&
 187                        s->height == ti->Height &&
 188                        s->format == ti->TexFormat));
 189 }
 190
 191 static GLboolean
 192 validate_teximage(GLcontext *ctx, struct gl_texture_object *t,
 193                   int level, int x, int y, int z,
 194                   int width, int height, int depth)
 195 {
 196         struct gl_texture_image *ti = t->Image[0][level];
 197
 198         if (teximage_fits(t, level)) {
 199                 struct nouveau_surface *ss = to_nouveau_texture(t)->surfaces;
 200                 struct nouveau_surface *s = &to_nouveau_teximage(ti)->surface;
 201
 202                 if (t->Target == GL_TEXTURE_RECTANGLE)
 203                         nouveau_surface_ref(s, &ss[level]);
 204                 else
 205                         context_drv(ctx)->surface_copy(ctx, &ss[level], s,
 206                                                        x, y, x, y,
 207                                                        width, height);
 208
 209                 return GL_TRUE;
 210         }
 211
 212         return GL_FALSE;
 213 }
 214
 215 static int
 216 get_last_level(struct gl_texture_object *t)
 217 {
 218         struct gl_texture_image *base = t->Image[0][t->BaseLevel];
 219
 220         if (t->MinFilter == GL_NEAREST ||
 221             t->MinFilter == GL_LINEAR || !base)
 222                 return t->BaseLevel;
 223         else
 224                 return MIN2(t->BaseLevel + base->MaxLog2, t->MaxLevel);
 225 }
 226
 227 static void
 228 relayout_texture(GLcontext *ctx, struct gl_texture_object *t)
 229 {
 230         struct gl_texture_image *base = t->Image[0][t->BaseLevel];
 231
 232         if (base && t->Target != GL_TEXTURE_RECTANGLE) {
 233                 struct nouveau_surface *ss = to_nouveau_texture(t)->surfaces;
 234                 struct nouveau_surface *s = &to_nouveau_teximage(base)->surface;
 235                 int i, ret, last = get_last_level(t);
 236                 unsigned size, offset = 0,
 237                         width = s->width,
 238                         height = s->height;
 239
 240                 /* Deallocate the old storage. */
 241                 for (i = 0; i < MAX_TEXTURE_LEVELS; i++)
 242                         nouveau_bo_ref(NULL, &ss[i].bo);
 243
 244                 /* Relayout the mipmap tree. */
 245                 for (i = t->BaseLevel; i <= last; i++) {
 246                         size = width * height * s->cpp;
 247
 248                         /* Images larger than 16B have to be aligned. */
 249                         if (size > 16)
 250                                 offset = align(offset, 64);
 251
 252                         ss[i] = (struct nouveau_surface) {
 253                                 .offset = offset,
 254                                 .layout = SWIZZLED,
 255                                 .format = s->format,
 256                                 .width = width,
 257                                 .height = height,
 258                                 .cpp = s->cpp,
 259                                 .pitch = width * s->cpp,
 260                         };
 261
 262                         offset += size;
 263                         width = MAX2(1, width / 2);
 264                         height = MAX2(1, height / 2);
 265                 }
 266
 267                 /* Get new storage. */
 268                 size = align(offset, 64);
 269
 270                 ret = nouveau_bo_new(context_dev(ctx), NOUVEAU_BO_MAP |
 271                                      NOUVEAU_BO_GART | NOUVEAU_BO_VRAM,
 272                                      0, size, &ss[last].bo);
 273                 assert(!ret);
 274
 275                 for (i = t->BaseLevel; i < last; i++)
 276                         nouveau_bo_ref(ss[last].bo, &ss[i].bo);
 277         }
 278 }
 279
 280 GLboolean
 281 nouveau_texture_validate(GLcontext *ctx, struct gl_texture_object *t)
 282 {
 283         struct nouveau_texture *nt = to_nouveau_texture(t);
 284         int i, last = get_last_level(t);
 285
 286         if (!nt->surfaces[last].bo)
 287                 return GL_FALSE;
 288
 289         if (nt->dirty) {
 290                 nt->dirty = GL_FALSE;
 291
 292                 /* Copy the teximages to the actual miptree. */
 293                 for (i = t->BaseLevel; i <= last; i++) {
 294                         struct nouveau_surface *s = &nt->surfaces[i];
 295
 296                         validate_teximage(ctx, t, i, 0, 0, 0,
 297                                           s->width, s->height, 1);
 298                 }
 299
 300                 FIRE_RING(context_chan(ctx));
 301         }
 302
 303         return GL_TRUE;
 304 }
 305
 306 void
 307 nouveau_texture_reallocate(GLcontext *ctx, struct gl_texture_object *t)
 308 {
 309         if (!teximage_fits(t, t->BaseLevel) ||
 310             !teximage_fits(t, get_last_level(t))) {
 311                 texture_dirty(t);
 312                 relayout_texture(ctx, t);
 313                 nouveau_texture_validate(ctx, t);
 314         }
 315 }
 316
 317 static unsigned
 318 get_teximage_placement(struct gl_texture_image *ti)
 319 {
 320         if (ti->TexFormat == MESA_FORMAT_A8 ||
 321             ti->TexFormat == MESA_FORMAT_L8 ||
 322             ti->TexFormat == MESA_FORMAT_I8)
 323                 /* 1 cpp formats will have to be swizzled by the CPU,
 324                  * so leave them in system RAM for now. */
 325                 return NOUVEAU_BO_MAP;
 326         else
 327                 return NOUVEAU_BO_GART | NOUVEAU_BO_MAP;
 328 }
 329
 330 static void
 331 nouveau_teximage(GLcontext *ctx, GLint dims, GLenum target, GLint level,
 332                  GLint internalFormat,
 333                  GLint width, GLint height, GLint depth, GLint border,
 334                  GLenum format, GLenum type, const GLvoid *pixels,
 335                  const struct gl_pixelstore_attrib *packing,
 336                  struct gl_texture_object *t,
 337                  struct gl_texture_image *ti)
 338 {
 339         struct nouveau_surface *s = &to_nouveau_teximage(ti)->surface;
 340         int ret;
 341
 342         /* Allocate a new bo for the image. */
 343         nouveau_surface_alloc(ctx, s, LINEAR, get_teximage_placement(ti),
 344                               ti->TexFormat, width, height);
 345         ti->RowStride = s->pitch / s->cpp;
 346
 347         pixels = _mesa_validate_pbo_teximage(ctx, dims, width, height, depth,
 348                                              format, type, pixels, packing,
 349                                              "glTexImage");
 350         if (pixels) {
 351                 /* Store the pixel data. */
 352                 nouveau_teximage_map(ctx, ti);
 353
 354                 ret = _mesa_texstore(ctx, dims, ti->_BaseFormat,
 355                                      ti->TexFormat, ti->Data,
 356                                      0, 0, 0, s->pitch,
 357                                      ti->ImageOffsets,
 358                                      width, height, depth,
 359                                      format, type, pixels, packing);
 360                 assert(ret);
 361
 362                 nouveau_teximage_unmap(ctx, ti);
 363                 _mesa_unmap_teximage_pbo(ctx, packing);
 364
 365                 if (!validate_teximage(ctx, t, level, 0, 0, 0,
 366                                        width, height, depth))
 367                         /* It doesn't fit, mark it as dirty. */
 368                         texture_dirty(t);
 369         }
 370
 371         if (level == t->BaseLevel) {
 372                 if (!teximage_fits(t, level))
 373                         relayout_texture(ctx, t);
 374                 nouveau_texture_validate(ctx, t);
 375         }
 376
 377         context_dirty_i(ctx, TEX_OBJ, ctx->Texture.CurrentUnit);
 378         context_dirty_i(ctx, TEX_ENV, ctx->Texture.CurrentUnit);
 379 }
 380
 381 static void
 382 nouveau_teximage_1d(GLcontext *ctx, GLenum target, GLint level,
 383                     GLint internalFormat,
 384                     GLint width, GLint border,
 385                     GLenum format, GLenum type, const GLvoid *pixels,
 386                     const struct gl_pixelstore_attrib *packing,
 387                     struct gl_texture_object *t,
 388                     struct gl_texture_image *ti)
 389 {
 390         nouveau_teximage(ctx, 1, target, level, internalFormat,
 391                          width, 1, 1, border, format, type, pixels,
 392                          packing, t, ti);
 393 }
 394
 395 static void
 396 nouveau_teximage_2d(GLcontext *ctx, GLenum target, GLint level,
 397                     GLint internalFormat,
 398                     GLint width, GLint height, GLint border,
 399                     GLenum format, GLenum type, const GLvoid *pixels,
 400                     const struct gl_pixelstore_attrib *packing,
 401                     struct gl_texture_object *t,
 402                     struct gl_texture_image *ti)
 403 {
 404         nouveau_teximage(ctx, 2, target, level, internalFormat,
 405                          width, height, 1, border, format, type, pixels,
 406                          packing, t, ti);
 407 }
 408
 409 static void
 410 nouveau_teximage_3d(GLcontext *ctx, GLenum target, GLint level,
 411                     GLint internalFormat,
 412                     GLint width, GLint height, GLint depth, GLint border,
 413                     GLenum format, GLenum type, const GLvoid *pixels,
 414                     const struct gl_pixelstore_attrib *packing,
 415                     struct gl_texture_object *t,
 416                     struct gl_texture_image *ti)
 417 {
 418         nouveau_teximage(ctx, 3, target, level, internalFormat,
 419                          width, height, depth, border, format, type, pixels,
 420                          packing, t, ti);
 421 }
 422
 423 static void
 424 nouveau_texsubimage_3d(GLcontext *ctx, GLenum target, GLint level,
 425                        GLint xoffset, GLint yoffset, GLint zoffset,
 426                        GLint width, GLint height, GLint depth,
 427                        GLenum format, GLenum type, const void *pixels,
 428                        const struct gl_pixelstore_attrib *packing,
 429                        struct gl_texture_object *t,
 430                        struct gl_texture_image *ti)
 431 {
 432         nouveau_teximage_map(ctx, ti);
 433         _mesa_store_texsubimage3d(ctx, target, level, xoffset, yoffset, zoffset,
 434                                   width, height, depth, format, type, pixels,
 435                                   packing, t, ti);
 436         nouveau_teximage_unmap(ctx, ti);
 437
 438         if (!to_nouveau_texture(t)->dirty)
 439                 validate_teximage(ctx, t, level, xoffset, yoffset, zoffset,
 440                                   width, height, depth);
 441 }
 442
 443 static void
 444 nouveau_texsubimage_2d(GLcontext *ctx, GLenum target, GLint level,
 445                        GLint xoffset, GLint yoffset,
 446                        GLint width, GLint height,
 447                        GLenum format, GLenum type, const void *pixels,
 448                        const struct gl_pixelstore_attrib *packing,
 449                        struct gl_texture_object *t,
 450                        struct gl_texture_image *ti)
 451 {
 452         nouveau_teximage_map(ctx, ti);
 453         _mesa_store_texsubimage2d(ctx, target, level, xoffset, yoffset,
 454                                   width, height, format, type, pixels,
 455                                   packing, t, ti);
 456         nouveau_teximage_unmap(ctx, ti);
 457
 458         if (!to_nouveau_texture(t)->dirty)
 459                 validate_teximage(ctx, t, level, xoffset, yoffset, 0,
 460                                   width, height, 1);
 461 }
 462
 463 static void
 464 nouveau_texsubimage_1d(GLcontext *ctx, GLenum target, GLint level,
 465                        GLint xoffset, GLint width,
 466                        GLenum format, GLenum type, const void *pixels,
 467                        const struct gl_pixelstore_attrib *packing,
 468                        struct gl_texture_object *t,
 469                        struct gl_texture_image *ti)
 470 {
 471         nouveau_teximage_map(ctx, ti);
 472         _mesa_store_texsubimage1d(ctx, target, level, xoffset,
 473                                   width, format, type, pixels,
 474                                   packing, t, ti);
 475         nouveau_teximage_unmap(ctx, ti);
 476
 477         if (!to_nouveau_texture(t)->dirty)
 478                 validate_teximage(ctx, t, level, xoffset, 0, 0,
 479                                   width, 1, 1);
 480 }
 481
 482 static void
 483 nouveau_get_teximage(GLcontext *ctx, GLenum target, GLint level,
 484                      GLenum format, GLenum type, GLvoid *pixels,
 485                      struct gl_texture_object *t,
 486                      struct gl_texture_image *ti)
 487 {
 488         nouveau_teximage_map(ctx, ti);
 489         _mesa_get_teximage(ctx, target, level, format, type, pixels,
 490                            t, ti);
 491         nouveau_teximage_unmap(ctx, ti);
 492 }
 493
 494 static void
 495 nouveau_bind_texture(GLcontext *ctx, GLenum target,
 496                      struct gl_texture_object *t)
 497 {
 498         context_dirty_i(ctx, TEX_OBJ, ctx->Texture.CurrentUnit);
 499         context_dirty_i(ctx, TEX_ENV, ctx->Texture.CurrentUnit);
 500 }
 501
 502 static gl_format
 503 get_texbuffer_format(struct gl_renderbuffer *rb, GLint format)
 504 {
 505         struct nouveau_surface *s = &to_nouveau_renderbuffer(rb)->surface;
 506
 507         if (s->cpp < 4)
 508                 return s->format;
 509         else if (format == __DRI_TEXTURE_FORMAT_RGBA)
 510                 return MESA_FORMAT_ARGB8888;
 511         else
 512                 return MESA_FORMAT_XRGB8888;
 513 }
 514
 515 void
 516 nouveau_set_texbuffer(__DRIcontext *dri_ctx,
 517                       GLint target, GLint format,
 518                       __DRIdrawable *draw)
 519 {
 520         struct nouveau_context *nctx = dri_ctx->driverPrivate;
 521         GLcontext *ctx = &nctx->base;
 522         struct gl_framebuffer *fb = draw->driverPrivate;
 523         struct gl_renderbuffer *rb =
 524                 fb->Attachment[BUFFER_FRONT_LEFT].Renderbuffer;
 525         struct gl_texture_object *t = _mesa_get_current_tex_object(ctx, target);
 526         struct gl_texture_image *ti;
 527         struct nouveau_surface *s;
 528
 529         _mesa_lock_texture(ctx, t);
 530         ti = _mesa_get_tex_image(ctx, t, target, 0);
 531         s = &to_nouveau_teximage(ti)->surface;
 532
 533         /* Update the texture surface with the given drawable. */
 534         nouveau_update_renderbuffers(dri_ctx, draw);
 535         nouveau_surface_ref(&to_nouveau_renderbuffer(rb)->surface, s);
 536
 537         /* Update the image fields. */
 538         _mesa_init_teximage_fields(ctx, target, ti, s->width, s->height,
 539                                    1, 0, s->cpp);
 540         ti->RowStride = s->pitch / s->cpp;
 541         ti->TexFormat = s->format = get_texbuffer_format(rb, format);
 542
 543         /* Try to validate it. */
 544         if (!validate_teximage(ctx, t, 0, 0, 0, 0, s->width, s->height, 1))
 545                 nouveau_texture_reallocate(ctx, t);
 546
 547         context_dirty_i(ctx, TEX_OBJ, ctx->Texture.CurrentUnit);
 548         context_dirty_i(ctx, TEX_ENV, ctx->Texture.CurrentUnit);
 549
 550         _mesa_unlock_texture(ctx, t);
 551 }
 552
 553 static void
 554 nouveau_texture_map(GLcontext *ctx, struct gl_texture_object *t)
 555 {
 556         int i;
 557
 558         for (i = t->BaseLevel; i < t->_MaxLevel; i++) {
 559                 if (t->Image[0][i])
 560                         nouveau_teximage_map(ctx, t->Image[0][i]);
 561         }
 562 }
 563
 564 static void
 565 nouveau_texture_unmap(GLcontext *ctx, struct gl_texture_object *t)
 566 {
 567         int i;
 568
 569         for (i = t->BaseLevel; i < t->_MaxLevel; i++) {
 570                 if (t->Image[0][i])
 571                         nouveau_teximage_unmap(ctx, t->Image[0][i]);
 572         }
 573 }
 574
 575 void
 576 nouveau_texture_functions_init(struct dd_function_table *functions)
 577 {
 578         functions->NewTextureObject = nouveau_texture_new;
 579         functions->DeleteTexture = nouveau_texture_free;
 580         functions->NewTextureImage = nouveau_teximage_new;
 581         functions->FreeTexImageData = nouveau_teximage_free;
 582         functions->ChooseTextureFormat = nouveau_choose_tex_format;
 583         functions->TexImage1D = nouveau_teximage_1d;
 584         functions->TexImage2D = nouveau_teximage_2d;
 585         functions->TexImage3D = nouveau_teximage_3d;
 586         functions->TexSubImage1D = nouveau_texsubimage_1d;
 587         functions->TexSubImage2D = nouveau_texsubimage_2d;
 588         functions->TexSubImage3D = nouveau_texsubimage_3d;
 589         functions->GetTexImage = nouveau_get_teximage;
 590         functions->BindTexture = nouveau_bind_texture;
 591         functions->MapTexture = nouveau_texture_map;
 592         functions->UnmapTexture = nouveau_texture_unmap;
 593 }