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         if (s->bo) {
  85                 ret = nouveau_bo_map(s->bo, NOUVEAU_BO_RDWR);
  86                 assert(!ret);
  87
  88                 ti->Data = s->bo->map;
  89         }
  90 }
  91
  92 static void
  93 nouveau_teximage_unmap(GLcontext *ctx, struct gl_texture_image *ti)
  94 {
  95         struct nouveau_surface *s = &to_nouveau_teximage(ti)->surface;
  96
  97         if (s->bo)
  98                 nouveau_bo_unmap(s->bo);
  99         ti->Data = NULL;
 100 }
 101
 102 static gl_format
 103 nouveau_choose_tex_format(GLcontext *ctx, GLint internalFormat,
 104                           GLenum srcFormat, GLenum srcType)
 105 {
 106         switch (internalFormat) {
 107         case 4:
 108         case GL_RGBA:
 109         case GL_RGB10_A2:
 110         case GL_RGBA12:
 111         case GL_RGBA16:
 112         case GL_RGBA8:
 113         case GL_RGB:
 114         case GL_RGB8:
 115         case GL_RGB10:
 116         case GL_RGB12:
 117         case GL_RGB16:
 118                 return MESA_FORMAT_ARGB8888;
 119         case GL_RGB5_A1:
 120                 return MESA_FORMAT_ARGB1555;
 121         case GL_RGBA2:
 122         case GL_RGBA4:
 123                 return MESA_FORMAT_ARGB4444;
 124
 125         case 3:
 126         case GL_R3_G3_B2:
 127         case GL_RGB4:
 128         case GL_RGB5:
 129                 return MESA_FORMAT_RGB565;
 130
 131         case GL_ALPHA:
 132         case GL_ALPHA4:
 133         case GL_ALPHA12:
 134         case GL_ALPHA16:
 135         case GL_ALPHA8:
 136                 return MESA_FORMAT_A8;
 137
 138         case 1:
 139         case GL_LUMINANCE:
 140         case GL_LUMINANCE4:
 141         case GL_LUMINANCE12:
 142         case GL_LUMINANCE16:
 143         case GL_LUMINANCE8:
 144                 return MESA_FORMAT_L8;
 145
 146         case 2:
 147         case GL_LUMINANCE_ALPHA:
 148         case GL_LUMINANCE4_ALPHA4:
 149         case GL_LUMINANCE6_ALPHA2:
 150         case GL_LUMINANCE12_ALPHA4:
 151         case GL_LUMINANCE12_ALPHA12:
 152         case GL_LUMINANCE16_ALPHA16:
 153         case GL_LUMINANCE8_ALPHA8:
 154                 return MESA_FORMAT_ARGB8888;
 155
 156         case GL_INTENSITY:
 157         case GL_INTENSITY4:
 158         case GL_INTENSITY12:
 159         case GL_INTENSITY16:
 160         case GL_INTENSITY8:
 161                 return MESA_FORMAT_ARGB8888;
 162
 163         case GL_COLOR_INDEX:
 164         case GL_COLOR_INDEX1_EXT:
 165         case GL_COLOR_INDEX2_EXT:
 166         case GL_COLOR_INDEX4_EXT:
 167         case GL_COLOR_INDEX12_EXT:
 168         case GL_COLOR_INDEX16_EXT:
 169         case GL_COLOR_INDEX8_EXT:
 170                 return MESA_FORMAT_CI8;
 171
 172         default:
 173                 assert(0);
 174         }
 175 }
 176
 177 static GLboolean
 178 teximage_fits(struct gl_texture_object *t, int level,
 179               struct gl_texture_image *ti)
 180 {
 181         struct nouveau_surface *s = &to_nouveau_texture(t)->surfaces[level];
 182
 183         return 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                 context_drv(ctx)->surface_copy(ctx, &ss[level], s,
 200                                                x, y, x, y,
 201                                                width, height);
 202
 203                 return GL_TRUE;
 204         }
 205
 206         return GL_FALSE;
 207 }
 208
 209 static int
 210 get_last_level(struct gl_texture_object *t)
 211 {
 212         struct gl_texture_image *base = t->Image[0][t->BaseLevel];
 213
 214         if (t->MinFilter == GL_NEAREST ||
 215             t->MinFilter == GL_LINEAR || !base)
 216                 return t->BaseLevel;
 217         else
 218                 return MIN2(t->BaseLevel + base->MaxLog2, t->MaxLevel);
 219 }
 220
 221 static void
 222 relayout_texture(GLcontext *ctx, struct gl_texture_object *t)
 223 {
 224         struct gl_texture_image *base = t->Image[0][t->BaseLevel];
 225
 226         if (base) {
 227                 struct nouveau_surface *ss = to_nouveau_texture(t)->surfaces;
 228                 struct nouveau_surface *s = &to_nouveau_teximage(base)->surface;
 229                 int i, ret, last = get_last_level(t);
 230                 unsigned size, offset = 0,
 231                         width = s->width,
 232                         height = s->height;
 233
 234                 /* Deallocate the old storage. */
 235                 for (i = 0; i < MAX_TEXTURE_LEVELS; i++)
 236                         nouveau_bo_ref(NULL, &ss[i].bo);
 237
 238                 /* Relayout the mipmap tree. */
 239                 for (i = t->BaseLevel; i <= last; i++) {
 240                         size = width * height * s->cpp;
 241
 242                         /* Images larger than 16B have to be aligned. */
 243                         if (size > 16)
 244                                 offset = align(offset, 64);
 245
 246                         ss[i] = (struct nouveau_surface) {
 247                                 .offset = offset,
 248                                 .layout = SWIZZLED,
 249                                 .format = s->format,
 250                                 .width = width,
 251                                 .height = height,
 252                                 .cpp = s->cpp,
 253                                 .pitch = width * s->cpp,
 254                         };
 255
 256                         offset += size;
 257                         width = MAX2(1, width / 2);
 258                         height = MAX2(1, height / 2);
 259                 }
 260
 261                 /* Get new storage. */
 262                 size = align(offset, 64);
 263
 264                 ret = nouveau_bo_new(context_dev(ctx), NOUVEAU_BO_MAP |
 265                                      NOUVEAU_BO_GART | NOUVEAU_BO_VRAM,
 266                                      0, size, &ss[last].bo);
 267                 assert(!ret);
 268
 269                 for (i = t->BaseLevel; i < last; i++)
 270                         nouveau_bo_ref(ss[last].bo, &ss[i].bo);
 271         }
 272 }
 273
 274 GLboolean
 275 nouveau_texture_validate(GLcontext *ctx, struct gl_texture_object *t)
 276 {
 277         struct nouveau_texture *nt = to_nouveau_texture(t);
 278         int i, last = get_last_level(t);
 279
 280         if (!nt->surfaces[last].bo)
 281                 return GL_FALSE;
 282
 283         if (nt->dirty) {
 284                 nt->dirty = GL_FALSE;
 285
 286                 /* Copy the teximages to the actual miptree. */
 287                 for (i = t->BaseLevel; i <= last; i++) {
 288                         struct nouveau_surface *s = &nt->surfaces[i];
 289
 290                         validate_teximage(ctx, t, i, 0, 0, 0,
 291                                           s->width, s->height, 1);
 292                 }
 293         }
 294
 295         return GL_TRUE;
 296 }
 297
 298 void
 299 nouveau_texture_reallocate(GLcontext *ctx, struct gl_texture_object *t)
 300 {
 301         texture_dirty(t);
 302         relayout_texture(ctx, t);
 303         nouveau_texture_validate(ctx, t);
 304 }
 305
 306 static unsigned
 307 get_teximage_placement(struct gl_texture_image *ti)
 308 {
 309         if (ti->TexFormat == MESA_FORMAT_A8 ||
 310             ti->TexFormat == MESA_FORMAT_L8 ||
 311             ti->TexFormat == MESA_FORMAT_I8)
 312                 /* 1 cpp formats will have to be swizzled by the CPU,
 313                  * so leave them in system RAM for now. */
 314                 return NOUVEAU_BO_MAP;
 315         else
 316                 return NOUVEAU_BO_GART | NOUVEAU_BO_MAP;
 317 }
 318
 319 static void
 320 nouveau_teximage(GLcontext *ctx, GLint dims, GLenum target, GLint level,
 321                  GLint internalFormat,
 322                  GLint width, GLint height, GLint depth, GLint border,
 323                  GLenum format, GLenum type, const GLvoid *pixels,
 324                  const struct gl_pixelstore_attrib *packing,
 325                  struct gl_texture_object *t,
 326                  struct gl_texture_image *ti)
 327 {
 328         struct nouveau_surface *s = &to_nouveau_teximage(ti)->surface;
 329         int ret;
 330
 331         /* Allocate a new bo for the image. */
 332         nouveau_surface_alloc(ctx, s, LINEAR, get_teximage_placement(ti),
 333                               ti->TexFormat, width, height);
 334         ti->RowStride = s->pitch / s->cpp;
 335
 336         pixels = _mesa_validate_pbo_teximage(ctx, dims, width, height, depth,
 337                                              format, type, pixels, packing,
 338                                              "glTexImage");
 339         if (pixels) {
 340                 /* Store the pixel data. */
 341                 nouveau_teximage_map(ctx, ti);
 342
 343                 ret = _mesa_texstore(ctx, dims, ti->_BaseFormat,
 344                                      ti->TexFormat, ti->Data,
 345                                      0, 0, 0, s->pitch,
 346                                      ti->ImageOffsets,
 347                                      width, height, depth,
 348                                      format, type, pixels, packing);
 349                 assert(ret);
 350
 351                 nouveau_teximage_unmap(ctx, ti);
 352                 _mesa_unmap_teximage_pbo(ctx, packing);
 353
 354                 if (!validate_teximage(ctx, t, level, 0, 0, 0,
 355                                        width, height, depth))
 356                         /* It doesn't fit, mark it as dirty. */
 357                         texture_dirty(t);
 358         }
 359
 360         if (level == t->BaseLevel) {
 361                 if (!teximage_fits(t, level, ti))
 362                         relayout_texture(ctx, t);
 363                 nouveau_texture_validate(ctx, t);
 364         }
 365
 366         context_dirty_i(ctx, TEX_OBJ, ctx->Texture.CurrentUnit);
 367         context_dirty_i(ctx, TEX_ENV, ctx->Texture.CurrentUnit);
 368 }
 369
 370 static void
 371 nouveau_teximage_1d(GLcontext *ctx, GLenum target, GLint level,
 372                     GLint internalFormat,
 373                     GLint width, GLint border,
 374                     GLenum format, GLenum type, const GLvoid *pixels,
 375                     const struct gl_pixelstore_attrib *packing,
 376                     struct gl_texture_object *t,
 377                     struct gl_texture_image *ti)
 378 {
 379         nouveau_teximage(ctx, 1, target, level, internalFormat,
 380                          width, 1, 1, border, format, type, pixels,
 381                          packing, t, ti);
 382 }
 383
 384 static void
 385 nouveau_teximage_2d(GLcontext *ctx, GLenum target, GLint level,
 386                     GLint internalFormat,
 387                     GLint width, GLint height, GLint border,
 388                     GLenum format, GLenum type, const GLvoid *pixels,
 389                     const struct gl_pixelstore_attrib *packing,
 390                     struct gl_texture_object *t,
 391                     struct gl_texture_image *ti)
 392 {
 393         nouveau_teximage(ctx, 2, target, level, internalFormat,
 394                          width, height, 1, border, format, type, pixels,
 395                          packing, t, ti);
 396 }
 397
 398 static void
 399 nouveau_teximage_3d(GLcontext *ctx, GLenum target, GLint level,
 400                     GLint internalFormat,
 401                     GLint width, GLint height, GLint depth, GLint border,
 402                     GLenum format, GLenum type, const GLvoid *pixels,
 403                     const struct gl_pixelstore_attrib *packing,
 404                     struct gl_texture_object *t,
 405                     struct gl_texture_image *ti)
 406 {
 407         nouveau_teximage(ctx, 3, target, level, internalFormat,
 408                          width, height, depth, border, format, type, pixels,
 409                          packing, t, ti);
 410 }
 411
 412 static void
 413 nouveau_texsubimage_3d(GLcontext *ctx, GLenum target, GLint level,
 414                        GLint xoffset, GLint yoffset, GLint zoffset,
 415                        GLint width, GLint height, GLint depth,
 416                        GLenum format, GLenum type, const void *pixels,
 417                        const struct gl_pixelstore_attrib *packing,
 418                        struct gl_texture_object *t,
 419                        struct gl_texture_image *ti)
 420 {
 421         nouveau_teximage_map(ctx, ti);
 422         _mesa_store_texsubimage3d(ctx, target, level, xoffset, yoffset, zoffset,
 423                                   width, height, depth, format, type, pixels,
 424                                   packing, t, ti);
 425         nouveau_teximage_unmap(ctx, ti);
 426
 427         if (!to_nouveau_texture(t)->dirty)
 428                 validate_teximage(ctx, t, level, xoffset, yoffset, zoffset,
 429                                   width, height, depth);
 430 }
 431
 432 static void
 433 nouveau_texsubimage_2d(GLcontext *ctx, GLenum target, GLint level,
 434                        GLint xoffset, GLint yoffset,
 435                        GLint width, GLint height,
 436                        GLenum format, GLenum type, const void *pixels,
 437                        const struct gl_pixelstore_attrib *packing,
 438                        struct gl_texture_object *t,
 439                        struct gl_texture_image *ti)
 440 {
 441         nouveau_teximage_map(ctx, ti);
 442         _mesa_store_texsubimage2d(ctx, target, level, xoffset, yoffset,
 443                                   width, height, format, type, pixels,
 444                                   packing, t, ti);
 445         nouveau_teximage_unmap(ctx, ti);
 446
 447         if (!to_nouveau_texture(t)->dirty)
 448                 validate_teximage(ctx, t, level, xoffset, yoffset, 0,
 449                                   width, height, 1);
 450 }
 451
 452 static void
 453 nouveau_texsubimage_1d(GLcontext *ctx, GLenum target, GLint level,
 454                        GLint xoffset, GLint width,
 455                        GLenum format, GLenum type, const void *pixels,
 456                        const struct gl_pixelstore_attrib *packing,
 457                        struct gl_texture_object *t,
 458                        struct gl_texture_image *ti)
 459 {
 460         nouveau_teximage_map(ctx, ti);
 461         _mesa_store_texsubimage1d(ctx, target, level, xoffset,
 462                                   width, format, type, pixels,
 463                                   packing, t, ti);
 464         nouveau_teximage_unmap(ctx, ti);
 465
 466         if (!to_nouveau_texture(t)->dirty)
 467                 validate_teximage(ctx, t, level, xoffset, 0, 0,
 468                                   width, 1, 1);
 469 }
 470
 471 static void
 472 nouveau_get_teximage(GLcontext *ctx, GLenum target, GLint level,
 473                      GLenum format, GLenum type, GLvoid *pixels,
 474                      struct gl_texture_object *t,
 475                      struct gl_texture_image *ti)
 476 {
 477         nouveau_teximage_map(ctx, ti);
 478         _mesa_get_teximage(ctx, target, level, format, type, pixels,
 479                            t, ti);
 480         nouveau_teximage_unmap(ctx, ti);
 481 }
 482
 483 static void
 484 nouveau_bind_texture(GLcontext *ctx, GLenum target,
 485                      struct gl_texture_object *t)
 486 {
 487         context_dirty_i(ctx, TEX_OBJ, ctx->Texture.CurrentUnit);
 488         context_dirty_i(ctx, TEX_ENV, ctx->Texture.CurrentUnit);
 489 }
 490
 491 static void
 492 nouveau_texture_map(GLcontext *ctx, struct gl_texture_object *t)
 493 {
 494         int i;
 495
 496         for (i = t->BaseLevel; i < t->_MaxLevel; i++) {
 497                 if (t->Image[0][i])
 498                         nouveau_teximage_map(ctx, t->Image[0][i]);
 499         }
 500 }
 501
 502 static void
 503 nouveau_texture_unmap(GLcontext *ctx, struct gl_texture_object *t)
 504 {
 505         int i;
 506
 507         for (i = t->BaseLevel; i < t->_MaxLevel; i++) {
 508                 if (t->Image[0][i])
 509                         nouveau_teximage_unmap(ctx, t->Image[0][i]);
 510         }
 511 }
 512
 513 void
 514 nouveau_texture_functions_init(struct dd_function_table *functions)
 515 {
 516         functions->NewTextureObject = nouveau_texture_new;
 517         functions->DeleteTexture = nouveau_texture_free;
 518         functions->NewTextureImage = nouveau_teximage_new;
 519         functions->FreeTexImageData = nouveau_teximage_free;
 520         functions->ChooseTextureFormat = nouveau_choose_tex_format;
 521         functions->TexImage1D = nouveau_teximage_1d;
 522         functions->TexImage2D = nouveau_teximage_2d;
 523         functions->TexImage3D = nouveau_teximage_3d;
 524         functions->TexSubImage1D = nouveau_texsubimage_1d;
 525         functions->TexSubImage2D = nouveau_texsubimage_2d;
 526         functions->TexSubImage3D = nouveau_texsubimage_3d;
 527         functions->GetTexImage = nouveau_get_teximage;
 528         functions->BindTexture = nouveau_bind_texture;
 529         functions->MapTexture = nouveau_texture_map;
 530         functions->UnmapTexture = nouveau_texture_unmap;
 531 }