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_util.h"
  31
  32 #include "main/texobj.h"
  33 #include "main/texstore.h"
  34 #include "main/texformat.h"
  35 #include "main/texcompress.h"
  36 #include "main/texgetimage.h"
  37 #include "main/mipmap.h"
  38 #include "main/texfetch.h"
  39
  40 static struct gl_texture_object *
  41 nouveau_texture_new(GLcontext *ctx, GLuint name, GLenum target)
  42 {
  43         struct nouveau_texture *nt = CALLOC_STRUCT(nouveau_texture);
  44
  45         _mesa_initialize_texture_object(&nt->base, name, target);
  46
  47         return &nt->base;
  48 }
  49
  50 static void
  51 nouveau_texture_free(GLcontext *ctx, struct gl_texture_object *t)
  52 {
  53         struct nouveau_texture *nt = to_nouveau_texture(t);
  54         int i;
  55
  56         for (i = 0; i < MAX_TEXTURE_LEVELS; i++)
  57                 nouveau_surface_ref(NULL, &nt->surfaces[i]);
  58
  59         _mesa_delete_texture_object(ctx, t);
  60 }
  61
  62 static struct gl_texture_image *
  63 nouveau_teximage_new(GLcontext *ctx)
  64 {
  65         struct nouveau_teximage *nti = CALLOC_STRUCT(nouveau_teximage);
  66
  67         return &nti->base;
  68 }
  69
  70 static void
  71 nouveau_teximage_free(GLcontext *ctx, struct gl_texture_image *ti)
  72 {
  73         struct nouveau_teximage *nti = to_nouveau_teximage(ti);
  74
  75         nouveau_surface_ref(NULL, &nti->surface);
  76 }
  77
  78 static void
  79 nouveau_teximage_map(GLcontext *ctx, struct gl_texture_image *ti)
  80 {
  81         struct nouveau_surface *s = &to_nouveau_teximage(ti)->surface;
  82         int ret;
  83
  84         ret = nouveau_bo_map(s->bo, NOUVEAU_BO_RDWR);
  85         assert(!ret);
  86
  87         ti->Data = s->bo->map;
  88 }
  89
  90 static void
  91 nouveau_teximage_unmap(GLcontext *ctx, struct gl_texture_image *ti)
  92 {
  93         struct nouveau_surface *s = &to_nouveau_teximage(ti)->surface;
  94
  95         nouveau_bo_unmap(s->bo);
  96         ti->Data = NULL;
  97 }
  98
  99 static gl_format
 100 nouveau_choose_tex_format(GLcontext *ctx, GLint internalFormat,
 101                           GLenum srcFormat, GLenum srcType)
 102 {
 103         switch (internalFormat) {
 104         case 4:
 105         case GL_RGBA:
 106         case GL_RGB10_A2:
 107         case GL_RGBA12:
 108         case GL_RGBA16:
 109         case GL_RGBA8:
 110         case GL_RGB:
 111         case GL_RGB8:
 112         case GL_RGB10:
 113         case GL_RGB12:
 114         case GL_RGB16:
 115                 return MESA_FORMAT_ARGB8888;
 116         case GL_RGB5_A1:
 117                 return MESA_FORMAT_ARGB1555;
 118         case GL_RGBA2:
 119         case GL_RGBA4:
 120                 return MESA_FORMAT_ARGB4444;
 121
 122         case 3:
 123         case GL_R3_G3_B2:
 124         case GL_RGB4:
 125         case GL_RGB5:
 126                 return MESA_FORMAT_RGB565;
 127
 128         case GL_ALPHA:
 129         case GL_ALPHA4:
 130         case GL_ALPHA12:
 131         case GL_ALPHA16:
 132         case GL_ALPHA8:
 133                 return MESA_FORMAT_A8;
 134
 135         case 1:
 136         case GL_LUMINANCE:
 137         case GL_LUMINANCE4:
 138         case GL_LUMINANCE12:
 139         case GL_LUMINANCE16:
 140         case GL_LUMINANCE8:
 141                 return MESA_FORMAT_L8;
 142
 143         case 2:
 144         case GL_LUMINANCE_ALPHA:
 145         case GL_LUMINANCE4_ALPHA4:
 146         case GL_LUMINANCE6_ALPHA2:
 147         case GL_LUMINANCE12_ALPHA4:
 148         case GL_LUMINANCE12_ALPHA12:
 149         case GL_LUMINANCE16_ALPHA16:
 150         case GL_LUMINANCE8_ALPHA8:
 151                 return MESA_FORMAT_ARGB8888;
 152
 153         case GL_INTENSITY:
 154         case GL_INTENSITY4:
 155         case GL_INTENSITY12:
 156         case GL_INTENSITY16:
 157         case GL_INTENSITY8:
 158                 return MESA_FORMAT_ARGB8888;
 159
 160         case GL_COLOR_INDEX:
 161         case GL_COLOR_INDEX1_EXT:
 162         case GL_COLOR_INDEX2_EXT:
 163         case GL_COLOR_INDEX4_EXT:
 164         case GL_COLOR_INDEX12_EXT:
 165         case GL_COLOR_INDEX16_EXT:
 166         case GL_COLOR_INDEX8_EXT:
 167                 return MESA_FORMAT_CI8;
 168
 169         default:
 170                 assert(0);
 171         }
 172 }
 173
 174 static GLboolean
 175 teximage_fits(struct gl_texture_object *t, int level,
 176               struct gl_texture_image *ti)
 177 {
 178         struct nouveau_surface *s = &to_nouveau_texture(t)->surfaces[level];
 179
 180         return s->bo && s->width == ti->Width &&
 181                 s->height == ti->Height &&
 182                 s->format == ti->TexFormat;
 183 }
 184
 185 static GLboolean
 186 validate_teximage(GLcontext *ctx, struct gl_texture_object *t,
 187                   int level, int x, int y, int z,
 188                   int width, int height, int depth)
 189 {
 190         struct gl_texture_image *ti = t->Image[0][level];
 191
 192         if (ti && teximage_fits(t, level, ti)) {
 193                 struct nouveau_surface *ss = to_nouveau_texture(t)->surfaces;
 194                 struct nouveau_surface *s = &to_nouveau_teximage(ti)->surface;
 195
 196                 context_drv(ctx)->surface_copy(ctx, &ss[level], s,
 197                                                x, y, x, y,
 198                                                width, height);
 199
 200                 return GL_TRUE;
 201         }
 202
 203         return GL_FALSE;
 204 }
 205
 206 static int
 207 get_last_level(struct gl_texture_object *t)
 208 {
 209         struct gl_texture_image *base = t->Image[0][t->BaseLevel];
 210
 211         if (t->MinFilter == GL_NEAREST ||
 212             t->MinFilter == GL_LINEAR || !base)
 213                 return t->BaseLevel;
 214         else
 215                 return MIN2(t->BaseLevel + base->MaxLog2, t->MaxLevel);
 216 }
 217
 218 static void
 219 relayout_texture(GLcontext *ctx, struct gl_texture_object *t)
 220 {
 221         struct gl_texture_image *base = t->Image[0][t->BaseLevel];
 222
 223         if (base) {
 224                 struct nouveau_surface *ss = to_nouveau_texture(t)->surfaces;
 225                 struct nouveau_surface *s = &to_nouveau_teximage(base)->surface;
 226                 int i, ret, last = get_last_level(t);
 227                 unsigned size, offset = 0,
 228                         width = s->width,
 229                         height = s->height;
 230
 231                 /* Deallocate the old storage. */
 232                 for (i = 0; i < MAX_TEXTURE_LEVELS; i++)
 233                         nouveau_bo_ref(NULL, &ss[i].bo);
 234
 235                 /* Relayout the mipmap tree. */
 236                 for (i = t->BaseLevel; i <= last; i++) {
 237                         size = width * height * s->cpp;
 238
 239                         /* Images larger than 16B have to be aligned. */
 240                         if (size > 16)
 241                                 offset = align(offset, 64);
 242
 243                         ss[i] = (struct nouveau_surface) {
 244                                 .offset = offset,
 245                                 .layout = SWIZZLED,
 246                                 .format = s->format,
 247                                 .width = width,
 248                                 .height = height,
 249                                 .cpp = s->cpp,
 250                                 .pitch = width * s->cpp,
 251                         };
 252
 253                         offset += size;
 254                         width = MAX2(1, width / 2);
 255                         height = MAX2(1, height / 2);
 256                 }
 257
 258                 /* Get new storage. */
 259                 size = align(offset, 64);
 260
 261                 ret = nouveau_bo_new(context_dev(ctx), NOUVEAU_BO_MAP |
 262                                      NOUVEAU_BO_GART | NOUVEAU_BO_VRAM,
 263                                      0, size, &ss[last].bo);
 264                 assert(!ret);
 265
 266                 for (i = t->BaseLevel; i < last; i++)
 267                         nouveau_bo_ref(ss[last].bo, &ss[i].bo);
 268         }
 269 }
 270
 271 GLboolean
 272 nouveau_texture_validate(GLcontext *ctx, struct gl_texture_object *t)
 273 {
 274         struct nouveau_texture *nt = to_nouveau_texture(t);
 275         int i, last = get_last_level(t);
 276
 277         if (!nt->surfaces[last].bo)
 278                 return GL_FALSE;
 279
 280         if (nt->dirty) {
 281                 nt->dirty = GL_FALSE;
 282
 283                 /* Copy the teximages to the actual miptree. */
 284                 for (i = t->BaseLevel; i <= last; i++) {
 285                         struct nouveau_surface *s = &nt->surfaces[i];
 286
 287                         validate_teximage(ctx, t, i, 0, 0, 0,
 288                                           s->width, s->height, 1);
 289                 }
 290         }
 291
 292         return GL_TRUE;
 293 }
 294
 295 void
 296 nouveau_texture_reallocate(GLcontext *ctx, struct gl_texture_object *t)
 297 {
 298         texture_dirty(t);
 299         relayout_texture(ctx, t);
 300         nouveau_texture_validate(ctx, t);
 301 }
 302
 303 static unsigned
 304 get_teximage_placement(struct gl_texture_image *ti)
 305 {
 306         if (ti->TexFormat == MESA_FORMAT_A8 ||
 307             ti->TexFormat == MESA_FORMAT_L8 ||
 308             ti->TexFormat == MESA_FORMAT_I8)
 309                 /* 1 cpp formats will have to be swizzled by the CPU,
 310                  * so leave them in system RAM for now. */
 311                 return NOUVEAU_BO_MAP;
 312         else
 313                 return NOUVEAU_BO_GART | NOUVEAU_BO_MAP;
 314 }
 315
 316 static void
 317 nouveau_teximage(GLcontext *ctx, GLint dims, GLenum target, GLint level,
 318                  GLint internalFormat,
 319                  GLint width, GLint height, GLint depth, GLint border,
 320                  GLenum format, GLenum type, const GLvoid *pixels,
 321                  const struct gl_pixelstore_attrib *packing,
 322                  struct gl_texture_object *t,
 323                  struct gl_texture_image *ti)
 324 {
 325         struct nouveau_surface *s = &to_nouveau_teximage(ti)->surface;
 326         int ret;
 327
 328         /* Allocate a new bo for the image. */
 329         nouveau_surface_alloc(ctx, s, LINEAR, get_teximage_placement(ti),
 330                               ti->TexFormat, width, height);
 331         ti->RowStride = s->pitch / s->cpp;
 332
 333         pixels = _mesa_validate_pbo_teximage(ctx, dims, width, height, depth,
 334                                              format, type, pixels, packing,
 335                                              "glTexImage");
 336         if (pixels) {
 337                 /* Store the pixel data. */
 338                 nouveau_teximage_map(ctx, ti);
 339
 340                 ret = _mesa_texstore(ctx, dims, ti->_BaseFormat,
 341                                      ti->TexFormat, ti->Data,
 342                                      0, 0, 0, s->pitch,
 343                                      ti->ImageOffsets,
 344                                      width, height, depth,
 345                                      format, type, pixels, packing);
 346                 assert(ret);
 347
 348                 nouveau_teximage_unmap(ctx, ti);
 349                 _mesa_unmap_teximage_pbo(ctx, packing);
 350
 351                 if (!validate_teximage(ctx, t, level, 0, 0, 0,
 352                                        width, height, depth))
 353                         /* It doesn't fit, mark it as dirty. */
 354                         texture_dirty(t);
 355         }
 356
 357         if (level == t->BaseLevel) {
 358                 if (!teximage_fits(t, level, ti))
 359                         relayout_texture(ctx, t);
 360                 nouveau_texture_validate(ctx, t);
 361         }
 362
 363         context_dirty_i(ctx, TEX_OBJ, ctx->Texture.CurrentUnit);
 364         context_dirty_i(ctx, TEX_ENV, ctx->Texture.CurrentUnit);
 365 }
 366
 367 static void
 368 nouveau_teximage_1d(GLcontext *ctx, GLenum target, GLint level,
 369                     GLint internalFormat,
 370                     GLint width, GLint border,
 371                     GLenum format, GLenum type, const GLvoid *pixels,
 372                     const struct gl_pixelstore_attrib *packing,
 373                     struct gl_texture_object *t,
 374                     struct gl_texture_image *ti)
 375 {
 376         nouveau_teximage(ctx, 1, target, level, internalFormat,
 377                          width, 1, 1, border, format, type, pixels,
 378                          packing, t, ti);
 379 }
 380
 381 static void
 382 nouveau_teximage_2d(GLcontext *ctx, GLenum target, GLint level,
 383                     GLint internalFormat,
 384                     GLint width, GLint height, 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, 2, target, level, internalFormat,
 391                          width, height, 1, border, format, type, pixels,
 392                          packing, t, ti);
 393 }
 394
 395 static void
 396 nouveau_teximage_3d(GLcontext *ctx, GLenum target, GLint level,
 397                     GLint internalFormat,
 398                     GLint width, GLint height, GLint depth, 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, 3, target, level, internalFormat,
 405                          width, height, depth, border, format, type, pixels,
 406                          packing, t, ti);
 407 }
 408
 409 static void
 410 nouveau_texsubimage_3d(GLcontext *ctx, GLenum target, GLint level,
 411                        GLint xoffset, GLint yoffset, GLint zoffset,
 412                        GLint width, GLint height, GLint depth,
 413                        GLenum format, GLenum type, const void *pixels,
 414                        const struct gl_pixelstore_attrib *packing,
 415                        struct gl_texture_object *t,
 416                        struct gl_texture_image *ti)
 417 {
 418         nouveau_teximage_map(ctx, ti);
 419         _mesa_store_texsubimage3d(ctx, target, level, xoffset, yoffset, zoffset,
 420                                   width, height, depth, format, type, pixels,
 421                                   packing, t, ti);
 422         nouveau_teximage_unmap(ctx, ti);
 423
 424         if (!to_nouveau_texture(t)->dirty)
 425                 validate_teximage(ctx, t, level, xoffset, yoffset, zoffset,
 426                                   width, height, depth);
 427 }
 428
 429 static void
 430 nouveau_texsubimage_2d(GLcontext *ctx, GLenum target, GLint level,
 431                        GLint xoffset, GLint yoffset,
 432                        GLint width, GLint height,
 433                        GLenum format, GLenum type, const void *pixels,
 434                        const struct gl_pixelstore_attrib *packing,
 435                        struct gl_texture_object *t,
 436                        struct gl_texture_image *ti)
 437 {
 438         nouveau_teximage_map(ctx, ti);
 439         _mesa_store_texsubimage2d(ctx, target, level, xoffset, yoffset,
 440                                   width, height, format, type, pixels,
 441                                   packing, t, ti);
 442         nouveau_teximage_unmap(ctx, ti);
 443
 444         if (!to_nouveau_texture(t)->dirty)
 445                 validate_teximage(ctx, t, level, xoffset, yoffset, 0,
 446                                   width, height, 1);
 447 }
 448
 449 static void
 450 nouveau_texsubimage_1d(GLcontext *ctx, GLenum target, GLint level,
 451                        GLint xoffset, GLint width,
 452                        GLenum format, GLenum type, const void *pixels,
 453                        const struct gl_pixelstore_attrib *packing,
 454                        struct gl_texture_object *t,
 455                        struct gl_texture_image *ti)
 456 {
 457         nouveau_teximage_map(ctx, ti);
 458         _mesa_store_texsubimage1d(ctx, target, level, xoffset,
 459                                   width, format, type, pixels,
 460                                   packing, t, ti);
 461         nouveau_teximage_unmap(ctx, ti);
 462
 463         if (!to_nouveau_texture(t)->dirty)
 464                 validate_teximage(ctx, t, level, xoffset, 0, 0,
 465                                   width, 1, 1);
 466 }
 467
 468 static void
 469 nouveau_get_teximage(GLcontext *ctx, GLenum target, GLint level,
 470                      GLenum format, GLenum type, GLvoid *pixels,
 471                      struct gl_texture_object *t,
 472                      struct gl_texture_image *ti)
 473 {
 474         nouveau_teximage_map(ctx, ti);
 475         _mesa_get_teximage(ctx, target, level, format, type, pixels,
 476                            t, ti);
 477         nouveau_teximage_unmap(ctx, ti);
 478 }
 479
 480 static void
 481 nouveau_bind_texture(GLcontext *ctx, GLenum target,
 482                      struct gl_texture_object *t)
 483 {
 484         context_dirty_i(ctx, TEX_OBJ, ctx->Texture.CurrentUnit);
 485         context_dirty_i(ctx, TEX_ENV, ctx->Texture.CurrentUnit);
 486 }
 487
 488 static void
 489 nouveau_texture_map(GLcontext *ctx, struct gl_texture_object *t)
 490 {
 491         int i;
 492
 493         for (i = t->BaseLevel; i < t->_MaxLevel; i++) {
 494                 if (t->Image[0][i])
 495                         nouveau_teximage_map(ctx, t->Image[0][i]);
 496         }
 497 }
 498
 499 static void
 500 nouveau_texture_unmap(GLcontext *ctx, struct gl_texture_object *t)
 501 {
 502         int i;
 503
 504         for (i = t->BaseLevel; i < t->_MaxLevel; i++) {
 505                 if (t->Image[0][i])
 506                         nouveau_teximage_unmap(ctx, t->Image[0][i]);
 507         }
 508 }
 509
 510 void
 511 nouveau_texture_functions_init(struct dd_function_table *functions)
 512 {
 513         functions->NewTextureObject = nouveau_texture_new;
 514         functions->DeleteTexture = nouveau_texture_free;
 515         functions->NewTextureImage = nouveau_teximage_new;
 516         functions->FreeTexImageData = nouveau_teximage_free;
 517         functions->ChooseTextureFormat = nouveau_choose_tex_format;
 518         functions->TexImage1D = nouveau_teximage_1d;
 519         functions->TexImage2D = nouveau_teximage_2d;
 520         functions->TexImage3D = nouveau_teximage_3d;
 521         functions->TexSubImage1D = nouveau_texsubimage_1d;
 522         functions->TexSubImage2D = nouveau_texsubimage_2d;
 523         functions->TexSubImage3D = nouveau_texsubimage_3d;
 524         functions->GetTexImage = nouveau_get_teximage;
 525         functions->BindTexture = nouveau_bind_texture;
 526         functions->MapTexture = nouveau_texture_map;
 527         functions->UnmapTexture = nouveau_texture_unmap;
 528 }