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_RGB10_A2:
 112         case GL_RGBA12:
 113         case GL_RGBA16:
 114         case GL_RGBA8:
 115         case GL_RGB:
 116         case GL_RGB8:
 117         case GL_RGB10:
 118         case GL_RGB12:
 119         case GL_RGB16:
 120                 return MESA_FORMAT_ARGB8888;
 121         case GL_RGB5_A1:
 122                 return MESA_FORMAT_ARGB1555;
 123
 124         case 3:
 125         case GL_R3_G3_B2:
 126         case GL_RGB4:
 127         case GL_RGB5:
 128                 return MESA_FORMAT_RGB565;
 129
 130         case GL_ALPHA:
 131         case GL_ALPHA4:
 132         case GL_ALPHA12:
 133         case GL_ALPHA16:
 134         case GL_ALPHA8:
 135                 return MESA_FORMAT_A8;
 136
 137         case 1:
 138         case GL_LUMINANCE:
 139         case GL_LUMINANCE4:
 140         case GL_LUMINANCE12:
 141         case GL_LUMINANCE16:
 142         case GL_LUMINANCE8:
 143                 return MESA_FORMAT_L8;
 144
 145         case 2:
 146         case GL_LUMINANCE_ALPHA:
 147         case GL_LUMINANCE4_ALPHA4:
 148         case GL_LUMINANCE6_ALPHA2:
 149         case GL_LUMINANCE12_ALPHA4:
 150         case GL_LUMINANCE12_ALPHA12:
 151         case GL_LUMINANCE16_ALPHA16:
 152         case GL_LUMINANCE8_ALPHA8:
 153                 return MESA_FORMAT_ARGB8888;
 154
 155         case GL_INTENSITY:
 156         case GL_INTENSITY4:
 157         case GL_INTENSITY12:
 158         case GL_INTENSITY16:
 159         case GL_INTENSITY8:
 160                 return MESA_FORMAT_ARGB8888;
 161
 162         case GL_COLOR_INDEX:
 163         case GL_COLOR_INDEX1_EXT:
 164         case GL_COLOR_INDEX2_EXT:
 165         case GL_COLOR_INDEX4_EXT:
 166         case GL_COLOR_INDEX12_EXT:
 167         case GL_COLOR_INDEX16_EXT:
 168         case GL_COLOR_INDEX8_EXT:
 169                 return MESA_FORMAT_CI8;
 170
 171         default:
 172                 assert(0);
 173         }
 174 }
 175
 176 static GLboolean
 177 teximage_fits(struct gl_texture_object *t, int level,
 178               struct gl_texture_image *ti)
 179 {
 180         struct nouveau_surface *s = &to_nouveau_texture(t)->surfaces[level];
 181
 182         return t->Target == GL_TEXTURE_RECTANGLE ||
 183                 (s->bo && s->width == ti->Width &&
 184                  s->height == ti->Height &&
 185                  s->format == ti->TexFormat);
 186 }
 187
 188 static GLboolean
 189 validate_teximage(GLcontext *ctx, struct gl_texture_object *t,
 190                   int level, int x, int y, int z,
 191                   int width, int height, int depth)
 192 {
 193         struct gl_texture_image *ti = t->Image[0][level];
 194
 195         if (ti && teximage_fits(t, level, ti)) {
 196                 struct nouveau_surface *ss = to_nouveau_texture(t)->surfaces;
 197                 struct nouveau_surface *s = &to_nouveau_teximage(ti)->surface;
 198
 199                 if (t->Target == GL_TEXTURE_RECTANGLE)
 200                         nouveau_surface_ref(s, &ss[level]);
 201                 else
 202                         context_drv(ctx)->surface_copy(ctx, &ss[level], s,
 203                                                        x, y, x, y,
 204                                                        width, height);
 205
 206                 return GL_TRUE;
 207         }
 208
 209         return GL_FALSE;
 210 }
 211
 212 static int
 213 get_last_level(struct gl_texture_object *t)
 214 {
 215         struct gl_texture_image *base = t->Image[0][t->BaseLevel];
 216
 217         if (t->MinFilter == GL_NEAREST ||
 218             t->MinFilter == GL_LINEAR || !base)
 219                 return t->BaseLevel;
 220         else
 221                 return MIN2(t->BaseLevel + base->MaxLog2, t->MaxLevel);
 222 }
 223
 224 static void
 225 relayout_texture(GLcontext *ctx, struct gl_texture_object *t)
 226 {
 227         struct gl_texture_image *base = t->Image[0][t->BaseLevel];
 228
 229         if (base && t->Target != GL_TEXTURE_RECTANGLE) {
 230                 struct nouveau_surface *ss = to_nouveau_texture(t)->surfaces;
 231                 struct nouveau_surface *s = &to_nouveau_teximage(base)->surface;
 232                 int i, ret, last = get_last_level(t);
 233                 unsigned size, offset = 0,
 234                         width = s->width,
 235                         height = s->height;
 236
 237                 /* Deallocate the old storage. */
 238                 for (i = 0; i < MAX_TEXTURE_LEVELS; i++)
 239                         nouveau_bo_ref(NULL, &ss[i].bo);
 240
 241                 /* Relayout the mipmap tree. */
 242                 for (i = t->BaseLevel; i <= last; i++) {
 243                         size = width * height * s->cpp;
 244
 245                         /* Images larger than 16B have to be aligned. */
 246                         if (size > 16)
 247                                 offset = align(offset, 64);
 248
 249                         ss[i] = (struct nouveau_surface) {
 250                                 .offset = offset,
 251                                 .layout = SWIZZLED,
 252                                 .format = s->format,
 253                                 .width = width,
 254                                 .height = height,
 255                                 .cpp = s->cpp,
 256                                 .pitch = width * s->cpp,
 257                         };
 258
 259                         offset += size;
 260                         width = MAX2(1, width / 2);
 261                         height = MAX2(1, height / 2);
 262                 }
 263
 264                 /* Get new storage. */
 265                 size = align(offset, 64);
 266
 267                 ret = nouveau_bo_new(context_dev(ctx), NOUVEAU_BO_MAP |
 268                                      NOUVEAU_BO_GART | NOUVEAU_BO_VRAM,
 269                                      0, size, &ss[last].bo);
 270                 assert(!ret);
 271
 272                 for (i = t->BaseLevel; i < last; i++)
 273                         nouveau_bo_ref(ss[last].bo, &ss[i].bo);
 274         }
 275 }
 276
 277 GLboolean
 278 nouveau_texture_validate(GLcontext *ctx, struct gl_texture_object *t)
 279 {
 280         struct nouveau_texture *nt = to_nouveau_texture(t);
 281         int i, last = get_last_level(t);
 282
 283         if (!nt->surfaces[last].bo)
 284                 return GL_FALSE;
 285
 286         if (nt->dirty) {
 287                 nt->dirty = GL_FALSE;
 288
 289                 /* Copy the teximages to the actual miptree. */
 290                 for (i = t->BaseLevel; i <= last; i++) {
 291                         struct nouveau_surface *s = &nt->surfaces[i];
 292
 293                         validate_teximage(ctx, t, i, 0, 0, 0,
 294                                           s->width, s->height, 1);
 295                 }
 296         }
 297
 298         return GL_TRUE;
 299 }
 300
 301 void
 302 nouveau_texture_reallocate(GLcontext *ctx, struct gl_texture_object *t)
 303 {
 304         texture_dirty(t);
 305         relayout_texture(ctx, t);
 306         nouveau_texture_validate(ctx, t);
 307 }
 308
 309 static unsigned
 310 get_teximage_placement(struct gl_texture_image *ti)
 311 {
 312         if (ti->TexFormat == MESA_FORMAT_A8 ||
 313             ti->TexFormat == MESA_FORMAT_L8 ||
 314             ti->TexFormat == MESA_FORMAT_I8)
 315                 /* 1 cpp formats will have to be swizzled by the CPU,
 316                  * so leave them in system RAM for now. */
 317                 return NOUVEAU_BO_MAP;
 318         else
 319                 return NOUVEAU_BO_GART | NOUVEAU_BO_MAP;
 320 }
 321
 322 static void
 323 nouveau_teximage(GLcontext *ctx, GLint dims, GLenum target, GLint level,
 324                  GLint internalFormat,
 325                  GLint width, GLint height, GLint depth, GLint border,
 326                  GLenum format, GLenum type, const GLvoid *pixels,
 327                  const struct gl_pixelstore_attrib *packing,
 328                  struct gl_texture_object *t,
 329                  struct gl_texture_image *ti)
 330 {
 331         struct nouveau_surface *s = &to_nouveau_teximage(ti)->surface;
 332         int ret;
 333
 334         /* Allocate a new bo for the image. */
 335         nouveau_surface_alloc(ctx, s, LINEAR, get_teximage_placement(ti),
 336                               ti->TexFormat, width, height);
 337         ti->RowStride = s->pitch / s->cpp;
 338
 339         pixels = _mesa_validate_pbo_teximage(ctx, dims, width, height, depth,
 340                                              format, type, pixels, packing,
 341                                              "glTexImage");
 342         if (pixels) {
 343                 /* Store the pixel data. */
 344                 nouveau_teximage_map(ctx, ti);
 345
 346                 ret = _mesa_texstore(ctx, dims, ti->_BaseFormat,
 347                                      ti->TexFormat, ti->Data,
 348                                      0, 0, 0, s->pitch,
 349                                      ti->ImageOffsets,
 350                                      width, height, depth,
 351                                      format, type, pixels, packing);
 352                 assert(ret);
 353
 354                 nouveau_teximage_unmap(ctx, ti);
 355                 _mesa_unmap_teximage_pbo(ctx, packing);
 356
 357                 if (!validate_teximage(ctx, t, level, 0, 0, 0,
 358                                        width, height, depth))
 359                         /* It doesn't fit, mark it as dirty. */
 360                         texture_dirty(t);
 361         }
 362
 363         if (level == t->BaseLevel) {
 364                 if (!teximage_fits(t, level, ti))
 365                         relayout_texture(ctx, t);
 366                 nouveau_texture_validate(ctx, t);
 367         }
 368
 369         context_dirty_i(ctx, TEX_OBJ, ctx->Texture.CurrentUnit);
 370         context_dirty_i(ctx, TEX_ENV, ctx->Texture.CurrentUnit);
 371 }
 372
 373 static void
 374 nouveau_teximage_1d(GLcontext *ctx, GLenum target, GLint level,
 375                     GLint internalFormat,
 376                     GLint width, GLint border,
 377                     GLenum format, GLenum type, const GLvoid *pixels,
 378                     const struct gl_pixelstore_attrib *packing,
 379                     struct gl_texture_object *t,
 380                     struct gl_texture_image *ti)
 381 {
 382         nouveau_teximage(ctx, 1, target, level, internalFormat,
 383                          width, 1, 1, border, format, type, pixels,
 384                          packing, t, ti);
 385 }
 386
 387 static void
 388 nouveau_teximage_2d(GLcontext *ctx, GLenum target, GLint level,
 389                     GLint internalFormat,
 390                     GLint width, GLint height, GLint border,
 391                     GLenum format, GLenum type, const GLvoid *pixels,
 392                     const struct gl_pixelstore_attrib *packing,
 393                     struct gl_texture_object *t,
 394                     struct gl_texture_image *ti)
 395 {
 396         nouveau_teximage(ctx, 2, target, level, internalFormat,
 397                          width, height, 1, border, format, type, pixels,
 398                          packing, t, ti);
 399 }
 400
 401 static void
 402 nouveau_teximage_3d(GLcontext *ctx, GLenum target, GLint level,
 403                     GLint internalFormat,
 404                     GLint width, GLint height, GLint depth, GLint border,
 405                     GLenum format, GLenum type, const GLvoid *pixels,
 406                     const struct gl_pixelstore_attrib *packing,
 407                     struct gl_texture_object *t,
 408                     struct gl_texture_image *ti)
 409 {
 410         nouveau_teximage(ctx, 3, target, level, internalFormat,
 411                          width, height, depth, border, format, type, pixels,
 412                          packing, t, ti);
 413 }
 414
 415 static void
 416 nouveau_texsubimage_3d(GLcontext *ctx, GLenum target, GLint level,
 417                        GLint xoffset, GLint yoffset, GLint zoffset,
 418                        GLint width, GLint height, GLint depth,
 419                        GLenum format, GLenum type, const void *pixels,
 420                        const struct gl_pixelstore_attrib *packing,
 421                        struct gl_texture_object *t,
 422                        struct gl_texture_image *ti)
 423 {
 424         nouveau_teximage_map(ctx, ti);
 425         _mesa_store_texsubimage3d(ctx, target, level, xoffset, yoffset, zoffset,
 426                                   width, height, depth, format, type, pixels,
 427                                   packing, t, ti);
 428         nouveau_teximage_unmap(ctx, ti);
 429
 430         if (!to_nouveau_texture(t)->dirty)
 431                 validate_teximage(ctx, t, level, xoffset, yoffset, zoffset,
 432                                   width, height, depth);
 433 }
 434
 435 static void
 436 nouveau_texsubimage_2d(GLcontext *ctx, GLenum target, GLint level,
 437                        GLint xoffset, GLint yoffset,
 438                        GLint width, GLint height,
 439                        GLenum format, GLenum type, const void *pixels,
 440                        const struct gl_pixelstore_attrib *packing,
 441                        struct gl_texture_object *t,
 442                        struct gl_texture_image *ti)
 443 {
 444         nouveau_teximage_map(ctx, ti);
 445         _mesa_store_texsubimage2d(ctx, target, level, xoffset, yoffset,
 446                                   width, height, format, type, pixels,
 447                                   packing, t, ti);
 448         nouveau_teximage_unmap(ctx, ti);
 449
 450         if (!to_nouveau_texture(t)->dirty)
 451                 validate_teximage(ctx, t, level, xoffset, yoffset, 0,
 452                                   width, height, 1);
 453 }
 454
 455 static void
 456 nouveau_texsubimage_1d(GLcontext *ctx, GLenum target, GLint level,
 457                        GLint xoffset, GLint width,
 458                        GLenum format, GLenum type, const void *pixels,
 459                        const struct gl_pixelstore_attrib *packing,
 460                        struct gl_texture_object *t,
 461                        struct gl_texture_image *ti)
 462 {
 463         nouveau_teximage_map(ctx, ti);
 464         _mesa_store_texsubimage1d(ctx, target, level, xoffset,
 465                                   width, format, type, pixels,
 466                                   packing, t, ti);
 467         nouveau_teximage_unmap(ctx, ti);
 468
 469         if (!to_nouveau_texture(t)->dirty)
 470                 validate_teximage(ctx, t, level, xoffset, 0, 0,
 471                                   width, 1, 1);
 472 }
 473
 474 static void
 475 nouveau_get_teximage(GLcontext *ctx, GLenum target, GLint level,
 476                      GLenum format, GLenum type, GLvoid *pixels,
 477                      struct gl_texture_object *t,
 478                      struct gl_texture_image *ti)
 479 {
 480         nouveau_teximage_map(ctx, ti);
 481         _mesa_get_teximage(ctx, target, level, format, type, pixels,
 482                            t, ti);
 483         nouveau_teximage_unmap(ctx, ti);
 484 }
 485
 486 static void
 487 nouveau_bind_texture(GLcontext *ctx, GLenum target,
 488                      struct gl_texture_object *t)
 489 {
 490         context_dirty_i(ctx, TEX_OBJ, ctx->Texture.CurrentUnit);
 491         context_dirty_i(ctx, TEX_ENV, ctx->Texture.CurrentUnit);
 492 }
 493
 494 static gl_format
 495 get_texbuffer_format(struct gl_renderbuffer *rb, GLint format)
 496 {
 497         struct nouveau_surface *s = &to_nouveau_renderbuffer(rb)->surface;
 498
 499         if (s->cpp < 4)
 500                 return s->format;
 501         else if (format == __DRI_TEXTURE_FORMAT_RGBA)
 502                 return MESA_FORMAT_ARGB8888;
 503         else
 504                 return MESA_FORMAT_XRGB8888;
 505 }
 506
 507 void
 508 nouveau_set_texbuffer(__DRIcontext *dri_ctx,
 509                       GLint target, GLint format,
 510                       __DRIdrawable *draw)
 511 {
 512         struct nouveau_context *nctx = dri_ctx->driverPrivate;
 513         GLcontext *ctx = &nctx->base;
 514         struct gl_framebuffer *fb = draw->driverPrivate;
 515         struct gl_renderbuffer *rb =
 516                 fb->Attachment[BUFFER_FRONT_LEFT].Renderbuffer;
 517         struct gl_texture_object *t = _mesa_get_current_tex_object(ctx, target);
 518         struct gl_texture_image *ti;
 519         struct nouveau_surface *s;
 520
 521         _mesa_lock_texture(ctx, t);
 522         ti = _mesa_get_tex_image(ctx, t, target, 0);
 523         s = &to_nouveau_teximage(ti)->surface;
 524
 525         /* Update the texture surface with the given drawable. */
 526         nouveau_update_renderbuffers(dri_ctx, draw);
 527         nouveau_surface_ref(&to_nouveau_renderbuffer(rb)->surface, s);
 528
 529         /* Update the image fields. */
 530         _mesa_init_teximage_fields(ctx, target, ti, s->width, s->height,
 531                                    1, 0, s->cpp);
 532         ti->RowStride = s->pitch / s->cpp;
 533         ti->TexFormat = s->format = get_texbuffer_format(rb, format);
 534
 535         /* Try to validate it. */
 536         if (!validate_teximage(ctx, t, 0, 0, 0, 0, s->width, s->height, 1))
 537                 nouveau_texture_reallocate(ctx, t);
 538
 539         context_dirty_i(ctx, TEX_OBJ, ctx->Texture.CurrentUnit);
 540         context_dirty_i(ctx, TEX_ENV, ctx->Texture.CurrentUnit);
 541
 542         _mesa_unlock_texture(ctx, t);
 543 }
 544
 545 static void
 546 nouveau_texture_map(GLcontext *ctx, struct gl_texture_object *t)
 547 {
 548         int i;
 549
 550         for (i = t->BaseLevel; i < t->_MaxLevel; i++) {
 551                 if (t->Image[0][i])
 552                         nouveau_teximage_map(ctx, t->Image[0][i]);
 553         }
 554 }
 555
 556 static void
 557 nouveau_texture_unmap(GLcontext *ctx, struct gl_texture_object *t)
 558 {
 559         int i;
 560
 561         for (i = t->BaseLevel; i < t->_MaxLevel; i++) {
 562                 if (t->Image[0][i])
 563                         nouveau_teximage_unmap(ctx, t->Image[0][i]);
 564         }
 565 }
 566
 567 void
 568 nouveau_texture_functions_init(struct dd_function_table *functions)
 569 {
 570         functions->NewTextureObject = nouveau_texture_new;
 571         functions->DeleteTexture = nouveau_texture_free;
 572         functions->NewTextureImage = nouveau_teximage_new;
 573         functions->FreeTexImageData = nouveau_teximage_free;
 574         functions->ChooseTextureFormat = nouveau_choose_tex_format;
 575         functions->TexImage1D = nouveau_teximage_1d;
 576         functions->TexImage2D = nouveau_teximage_2d;
 577         functions->TexImage3D = nouveau_teximage_3d;
 578         functions->TexSubImage1D = nouveau_texsubimage_1d;
 579         functions->TexSubImage2D = nouveau_texsubimage_2d;
 580         functions->TexSubImage3D = nouveau_texsubimage_3d;
 581         functions->GetTexImage = nouveau_get_teximage;
 582         functions->BindTexture = nouveau_bind_texture;
 583         functions->MapTexture = nouveau_texture_map;
 584         functions->UnmapTexture = nouveau_texture_unmap;
 585 }