src/mesa/drivers/dri/radeon/radeon_texture.c

   1 /*
   2  * Copyright (C) 2009 Maciej Cencora.
   3  * Copyright (C) 2008 Nicolai Haehnle.
   4  * Copyright (C) The Weather Channel, Inc.  2002.  All Rights Reserved.
   5  *
   6  * The Weather Channel (TM) funded Tungsten Graphics to develop the
   7  * initial release of the Radeon 8500 driver under the XFree86 license.
   8  * This notice must be preserved.
   9  *
  10  * Permission is hereby granted, free of charge, to any person obtaining
  11  * a copy of this software and associated documentation files (the
  12  * "Software"), to deal in the Software without restriction, including
  13  * without limitation the rights to use, copy, modify, merge, publish,
  14  * distribute, sublicense, and/or sell copies of the Software, and to
  15  * permit persons to whom the Software is furnished to do so, subject to
  16  * the following conditions:
  17  *
  18  * The above copyright notice and this permission notice (including the
  19  * next paragraph) shall be included in all copies or substantial
  20  * portions of the Software.
  21  *
  22  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  23  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  24  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
  25  * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
  26  * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  27  * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  28  * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  29  *
  30  */
  31
  32 #include "main/glheader.h"
  33 #include "main/imports.h"
  34 #include "main/context.h"
  35 #include "main/convolve.h"
  36 #include "main/mipmap.h"
  37 #include "main/texcompress.h"
  38 #include "main/texstore.h"
  39 #include "main/teximage.h"
  40 #include "main/texobj.h"
  41 #include "main/texgetimage.h"
  42
  43 #include "xmlpool.h"            /* for symbolic values of enum-type options */
  44
  45 #include "radeon_common.h"
  46
  47 #include "radeon_mipmap_tree.h"
  48
  49
  50 void copy_rows(void* dst, GLuint dststride, const void* src, GLuint srcstride,
  51         GLuint numrows, GLuint rowsize)
  52 {
  53         assert(rowsize <= dststride);
  54         assert(rowsize <= srcstride);
  55
  56         if (rowsize == srcstride && rowsize == dststride) {
  57                 memcpy(dst, src, numrows*rowsize);
  58         } else {
  59                 GLuint i;
  60                 for(i = 0; i < numrows; ++i) {
  61                         memcpy(dst, src, rowsize);
  62                         dst += dststride;
  63                         src += srcstride;
  64                 }
  65         }
  66 }
  67
  68 /* textures */
  69 /**
  70  * Allocate an empty texture image object.
  71  */
  72 struct gl_texture_image *radeonNewTextureImage(GLcontext *ctx)
  73 {
  74         return CALLOC(sizeof(radeon_texture_image));
  75 }
  76
  77 /**
  78  * Free memory associated with this texture image.
  79  */
  80 void radeonFreeTexImageData(GLcontext *ctx, struct gl_texture_image *timage)
  81 {
  82         radeon_texture_image* image = get_radeon_texture_image(timage);
  83
  84         if (image->mt) {
  85                 radeon_miptree_unreference(&image->mt);
  86                 assert(!image->base.Data);
  87         } else {
  88                 _mesa_free_texture_image_data(ctx, timage);
  89         }
  90         if (image->bo) {
  91                 radeon_bo_unref(image->bo);
  92                 image->bo = NULL;
  93         }
  94         if (timage->Data) {
  95                 _mesa_free_texmemory(timage->Data);
  96                 timage->Data = NULL;
  97         }
  98 }
  99
 100 /* Set Data pointer and additional data for mapped texture image */
 101 static void teximage_set_map_data(radeon_texture_image *image)
 102 {
 103         radeon_mipmap_level *lvl;
 104
 105         if (!image->mt)
 106                 return;
 107
 108         lvl = &image->mt->levels[image->mtlevel];
 109
 110         image->base.Data = image->mt->bo->ptr + lvl->faces[image->mtface].offset;
 111         image->base.RowStride = lvl->rowstride / _mesa_get_format_bytes(image->base.TexFormat);
 112 }
 113
 114
 115 /**
 116  * Map a single texture image for glTexImage and friends.
 117  */
 118 void radeon_teximage_map(radeon_texture_image *image, GLboolean write_enable)
 119 {
 120         if (image->mt) {
 121                 assert(!image->base.Data);
 122
 123                 radeon_bo_map(image->mt->bo, write_enable);
 124                 teximage_set_map_data(image);
 125         }
 126 }
 127
 128
 129 void radeon_teximage_unmap(radeon_texture_image *image)
 130 {
 131         if (image->mt) {
 132                 assert(image->base.Data);
 133
 134                 image->base.Data = 0;
 135                 radeon_bo_unmap(image->mt->bo);
 136         }
 137 }
 138
 139 static void map_override(GLcontext *ctx, radeonTexObj *t)
 140 {
 141         radeon_texture_image *img = get_radeon_texture_image(t->base.Image[0][0]);
 142
 143         radeon_bo_map(t->bo, GL_FALSE);
 144
 145         img->base.Data = t->bo->ptr;
 146 }
 147
 148 static void unmap_override(GLcontext *ctx, radeonTexObj *t)
 149 {
 150         radeon_texture_image *img = get_radeon_texture_image(t->base.Image[0][0]);
 151
 152         radeon_bo_unmap(t->bo);
 153
 154         img->base.Data = NULL;
 155 }
 156
 157 /**
 158  * Map a validated texture for reading during software rendering.
 159  */
 160 void radeonMapTexture(GLcontext *ctx, struct gl_texture_object *texObj)
 161 {
 162         radeonTexObj* t = radeon_tex_obj(texObj);
 163         int face, level;
 164
 165         if (!radeon_validate_texture_miptree(ctx, texObj))
 166           return;
 167
 168         /* for r100 3D sw fallbacks don't have mt */
 169         if (t->image_override && t->bo)
 170                 map_override(ctx, t);
 171
 172         if (!t->mt)
 173                 return;
 174
 175         radeon_bo_map(t->mt->bo, GL_FALSE);
 176         for(face = 0; face < t->mt->faces; ++face) {
 177                 for(level = t->minLod; level <= t->maxLod; ++level)
 178                         teximage_set_map_data(get_radeon_texture_image(texObj->Image[face][level]));
 179         }
 180 }
 181
 182 void radeonUnmapTexture(GLcontext *ctx, struct gl_texture_object *texObj)
 183 {
 184         radeonTexObj* t = radeon_tex_obj(texObj);
 185         int face, level;
 186
 187         if (t->image_override && t->bo)
 188                 unmap_override(ctx, t);
 189         /* for r100 3D sw fallbacks don't have mt */
 190         if (!t->mt)
 191           return;
 192
 193         for(face = 0; face < t->mt->faces; ++face) {
 194                 for(level = t->minLod; level <= t->maxLod; ++level)
 195                         texObj->Image[face][level]->Data = 0;
 196         }
 197         radeon_bo_unmap(t->mt->bo);
 198 }
 199
 200 GLuint radeon_face_for_target(GLenum target)
 201 {
 202         switch (target) {
 203         case GL_TEXTURE_CUBE_MAP_POSITIVE_X:
 204         case GL_TEXTURE_CUBE_MAP_NEGATIVE_X:
 205         case GL_TEXTURE_CUBE_MAP_POSITIVE_Y:
 206         case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y:
 207         case GL_TEXTURE_CUBE_MAP_POSITIVE_Z:
 208         case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z:
 209                 return (GLuint) target - (GLuint) GL_TEXTURE_CUBE_MAP_POSITIVE_X;
 210         default:
 211                 return 0;
 212         }
 213 }
 214
 215 /**
 216  * Wraps Mesa's implementation to ensure that the base level image is mapped.
 217  *
 218  * This relies on internal details of _mesa_generate_mipmap, in particular
 219  * the fact that the memory for recreated texture images is always freed.
 220  */
 221 static void radeon_generate_mipmap(GLcontext *ctx, GLenum target,
 222                                    struct gl_texture_object *texObj)
 223 {
 224         radeonTexObj* t = radeon_tex_obj(texObj);
 225         GLuint nr_faces = (t->base.Target == GL_TEXTURE_CUBE_MAP) ? 6 : 1;
 226         int i, face;
 227
 228
 229         _mesa_generate_mipmap(ctx, target, texObj);
 230
 231         for (face = 0; face < nr_faces; face++) {
 232                 for (i = texObj->BaseLevel + 1; i < texObj->MaxLevel; i++) {
 233                         radeon_texture_image *image;
 234
 235                         image = get_radeon_texture_image(texObj->Image[face][i]);
 236
 237                         if (image == NULL)
 238                                 break;
 239
 240                         image->mtlevel = i;
 241                         image->mtface = face;
 242
 243                         radeon_miptree_unreference(&image->mt);
 244                 }
 245         }
 246
 247 }
 248
 249 void radeonGenerateMipmap(GLcontext* ctx, GLenum target, struct gl_texture_object *texObj)
 250 {
 251         GLuint face = radeon_face_for_target(target);
 252         radeon_texture_image *baseimage = get_radeon_texture_image(texObj->Image[face][texObj->BaseLevel]);
 253
 254         radeon_teximage_map(baseimage, GL_FALSE);
 255         radeon_generate_mipmap(ctx, target, texObj);
 256         radeon_teximage_unmap(baseimage);
 257 }
 258
 259
 260 /* try to find a format which will only need a memcopy */
 261 static gl_format radeonChoose8888TexFormat(radeonContextPtr rmesa,
 262                                            GLenum srcFormat,
 263                                            GLenum srcType, GLboolean fbo)
 264 {
 265         const GLuint ui = 1;
 266         const GLubyte littleEndian = *((const GLubyte *)&ui);
 267
 268         /* r100 can only do this */
 269         if (IS_R100_CLASS(rmesa->radeonScreen) || fbo)
 270           return _dri_texformat_argb8888;
 271
 272         if ((srcFormat == GL_RGBA && srcType == GL_UNSIGNED_INT_8_8_8_8) ||
 273             (srcFormat == GL_RGBA && srcType == GL_UNSIGNED_BYTE && !littleEndian) ||
 274             (srcFormat == GL_ABGR_EXT && srcType == GL_UNSIGNED_INT_8_8_8_8_REV) ||
 275             (srcFormat == GL_ABGR_EXT && srcType == GL_UNSIGNED_BYTE && littleEndian)) {
 276                 return MESA_FORMAT_RGBA8888;
 277         } else if ((srcFormat == GL_RGBA && srcType == GL_UNSIGNED_INT_8_8_8_8_REV) ||
 278                    (srcFormat == GL_RGBA && srcType == GL_UNSIGNED_BYTE && littleEndian) ||
 279                    (srcFormat == GL_ABGR_EXT && srcType == GL_UNSIGNED_INT_8_8_8_8) ||
 280                    (srcFormat == GL_ABGR_EXT && srcType == GL_UNSIGNED_BYTE && !littleEndian)) {
 281                 return MESA_FORMAT_RGBA8888_REV;
 282         } else if (IS_R200_CLASS(rmesa->radeonScreen)) {
 283                 return _dri_texformat_argb8888;
 284         } else if (srcFormat == GL_BGRA && ((srcType == GL_UNSIGNED_BYTE && !littleEndian) ||
 285                                             srcType == GL_UNSIGNED_INT_8_8_8_8)) {
 286                 return MESA_FORMAT_ARGB8888_REV;
 287         } else if (srcFormat == GL_BGRA && ((srcType == GL_UNSIGNED_BYTE && littleEndian) ||
 288                                             srcType == GL_UNSIGNED_INT_8_8_8_8_REV)) {
 289                 return MESA_FORMAT_ARGB8888;
 290         } else
 291                 return _dri_texformat_argb8888;
 292 }
 293
 294 gl_format radeonChooseTextureFormat_mesa(GLcontext * ctx,
 295                                          GLint internalFormat,
 296                                          GLenum format,
 297                                          GLenum type)
 298 {
 299         return radeonChooseTextureFormat(ctx, internalFormat, format,
 300                                          type, 0);
 301 }
 302
 303 gl_format radeonChooseTextureFormat(GLcontext * ctx,
 304                                     GLint internalFormat,
 305                                     GLenum format,
 306                                     GLenum type, GLboolean fbo)
 307 {
 308         radeonContextPtr rmesa = RADEON_CONTEXT(ctx);
 309         const GLboolean do32bpt =
 310             (rmesa->texture_depth == DRI_CONF_TEXTURE_DEPTH_32);
 311         const GLboolean force16bpt =
 312             (rmesa->texture_depth == DRI_CONF_TEXTURE_DEPTH_FORCE_16);
 313         (void)format;
 314
 315 #if 0
 316         fprintf(stderr, "InternalFormat=%s(%d) type=%s format=%s\n",
 317                 _mesa_lookup_enum_by_nr(internalFormat), internalFormat,
 318                 _mesa_lookup_enum_by_nr(type), _mesa_lookup_enum_by_nr(format));
 319         fprintf(stderr, "do32bpt=%d force16bpt=%d\n", do32bpt, force16bpt);
 320 #endif
 321
 322         switch (internalFormat) {
 323         case 4:
 324         case GL_RGBA:
 325         case GL_COMPRESSED_RGBA:
 326                 switch (type) {
 327                 case GL_UNSIGNED_INT_10_10_10_2:
 328                 case GL_UNSIGNED_INT_2_10_10_10_REV:
 329                         return do32bpt ? _dri_texformat_argb8888 :
 330                             _dri_texformat_argb1555;
 331                 case GL_UNSIGNED_SHORT_4_4_4_4:
 332                 case GL_UNSIGNED_SHORT_4_4_4_4_REV:
 333                         return _dri_texformat_argb4444;
 334                 case GL_UNSIGNED_SHORT_5_5_5_1:
 335                 case GL_UNSIGNED_SHORT_1_5_5_5_REV:
 336                         return _dri_texformat_argb1555;
 337                 default:
 338                         return do32bpt ? radeonChoose8888TexFormat(rmesa, format, type, fbo) :
 339                             _dri_texformat_argb4444;
 340                 }
 341
 342         case 3:
 343         case GL_RGB:
 344         case GL_COMPRESSED_RGB:
 345                 switch (type) {
 346                 case GL_UNSIGNED_SHORT_4_4_4_4:
 347                 case GL_UNSIGNED_SHORT_4_4_4_4_REV:
 348                         return _dri_texformat_argb4444;
 349                 case GL_UNSIGNED_SHORT_5_5_5_1:
 350                 case GL_UNSIGNED_SHORT_1_5_5_5_REV:
 351                         return _dri_texformat_argb1555;
 352                 case GL_UNSIGNED_SHORT_5_6_5:
 353                 case GL_UNSIGNED_SHORT_5_6_5_REV:
 354                         return _dri_texformat_rgb565;
 355                 default:
 356                         return do32bpt ? _dri_texformat_argb8888 :
 357                             _dri_texformat_rgb565;
 358                 }
 359
 360         case GL_RGBA8:
 361         case GL_RGB10_A2:
 362         case GL_RGBA12:
 363         case GL_RGBA16:
 364                 return !force16bpt ?
 365                         radeonChoose8888TexFormat(rmesa, format, type, fbo) :
 366                         _dri_texformat_argb4444;
 367
 368         case GL_RGBA4:
 369         case GL_RGBA2:
 370                 return _dri_texformat_argb4444;
 371
 372         case GL_RGB5_A1:
 373                 return _dri_texformat_argb1555;
 374
 375         case GL_RGB8:
 376         case GL_RGB10:
 377         case GL_RGB12:
 378         case GL_RGB16:
 379                 return !force16bpt ? _dri_texformat_argb8888 :
 380                     _dri_texformat_rgb565;
 381
 382         case GL_RGB5:
 383         case GL_RGB4:
 384         case GL_R3_G3_B2:
 385                 return _dri_texformat_rgb565;
 386
 387         case GL_ALPHA:
 388         case GL_ALPHA4:
 389         case GL_ALPHA8:
 390         case GL_ALPHA12:
 391         case GL_ALPHA16:
 392         case GL_COMPRESSED_ALPHA:
 393                 /* r200: can't use a8 format since interpreting hw I8 as a8 would result
 394                    in wrong rgb values (same as alpha value instead of 0). */
 395                 if (IS_R200_CLASS(rmesa->radeonScreen))
 396                         return _dri_texformat_al88;
 397                 else
 398                         return _dri_texformat_a8;
 399         case 1:
 400         case GL_LUMINANCE:
 401         case GL_LUMINANCE4:
 402         case GL_LUMINANCE8:
 403         case GL_LUMINANCE12:
 404         case GL_LUMINANCE16:
 405         case GL_COMPRESSED_LUMINANCE:
 406                 return _dri_texformat_l8;
 407
 408         case 2:
 409         case GL_LUMINANCE_ALPHA:
 410         case GL_LUMINANCE4_ALPHA4:
 411         case GL_LUMINANCE6_ALPHA2:
 412         case GL_LUMINANCE8_ALPHA8:
 413         case GL_LUMINANCE12_ALPHA4:
 414         case GL_LUMINANCE12_ALPHA12:
 415         case GL_LUMINANCE16_ALPHA16:
 416         case GL_COMPRESSED_LUMINANCE_ALPHA:
 417                 return _dri_texformat_al88;
 418
 419         case GL_INTENSITY:
 420         case GL_INTENSITY4:
 421         case GL_INTENSITY8:
 422         case GL_INTENSITY12:
 423         case GL_INTENSITY16:
 424         case GL_COMPRESSED_INTENSITY:
 425                 return _dri_texformat_i8;
 426
 427         case GL_YCBCR_MESA:
 428                 if (type == GL_UNSIGNED_SHORT_8_8_APPLE ||
 429                     type == GL_UNSIGNED_BYTE)
 430                         return MESA_FORMAT_YCBCR;
 431                 else
 432                         return MESA_FORMAT_YCBCR_REV;
 433
 434         case GL_RGB_S3TC:
 435         case GL_RGB4_S3TC:
 436         case GL_COMPRESSED_RGB_S3TC_DXT1_EXT:
 437                 return MESA_FORMAT_RGB_DXT1;
 438
 439         case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT:
 440                 return MESA_FORMAT_RGBA_DXT1;
 441
 442         case GL_RGBA_S3TC:
 443         case GL_RGBA4_S3TC:
 444         case GL_COMPRESSED_RGBA_S3TC_DXT3_EXT:
 445                 return MESA_FORMAT_RGBA_DXT3;
 446
 447         case GL_COMPRESSED_RGBA_S3TC_DXT5_EXT:
 448                 return MESA_FORMAT_RGBA_DXT5;
 449
 450         case GL_ALPHA16F_ARB:
 451                 return MESA_FORMAT_ALPHA_FLOAT16;
 452         case GL_ALPHA32F_ARB:
 453                 return MESA_FORMAT_ALPHA_FLOAT32;
 454         case GL_LUMINANCE16F_ARB:
 455                 return MESA_FORMAT_LUMINANCE_FLOAT16;
 456         case GL_LUMINANCE32F_ARB:
 457                 return MESA_FORMAT_LUMINANCE_FLOAT32;
 458         case GL_LUMINANCE_ALPHA16F_ARB:
 459                 return MESA_FORMAT_LUMINANCE_ALPHA_FLOAT16;
 460         case GL_LUMINANCE_ALPHA32F_ARB:
 461                 return MESA_FORMAT_LUMINANCE_ALPHA_FLOAT32;
 462         case GL_INTENSITY16F_ARB:
 463                 return MESA_FORMAT_INTENSITY_FLOAT16;
 464         case GL_INTENSITY32F_ARB:
 465                 return MESA_FORMAT_INTENSITY_FLOAT32;
 466         case GL_RGB16F_ARB:
 467                 return MESA_FORMAT_RGBA_FLOAT16;
 468         case GL_RGB32F_ARB:
 469                 return MESA_FORMAT_RGBA_FLOAT32;
 470         case GL_RGBA16F_ARB:
 471                 return MESA_FORMAT_RGBA_FLOAT16;
 472         case GL_RGBA32F_ARB:
 473                 return MESA_FORMAT_RGBA_FLOAT32;
 474
 475         case GL_DEPTH_COMPONENT:
 476         case GL_DEPTH_COMPONENT16:
 477         case GL_DEPTH_COMPONENT24:
 478         case GL_DEPTH_COMPONENT32:
 479         case GL_DEPTH_STENCIL_EXT:
 480         case GL_DEPTH24_STENCIL8_EXT:
 481                 return MESA_FORMAT_S8_Z24;
 482
 483         /* EXT_texture_sRGB */
 484         case GL_SRGB:
 485         case GL_SRGB8:
 486         case GL_SRGB_ALPHA:
 487         case GL_SRGB8_ALPHA8:
 488         case GL_COMPRESSED_SRGB:
 489         case GL_COMPRESSED_SRGB_ALPHA:
 490                 return MESA_FORMAT_SRGBA8;
 491
 492         case GL_SLUMINANCE:
 493         case GL_SLUMINANCE8:
 494         case GL_COMPRESSED_SLUMINANCE:
 495                 return MESA_FORMAT_SL8;
 496
 497         case GL_SLUMINANCE_ALPHA:
 498         case GL_SLUMINANCE8_ALPHA8:
 499         case GL_COMPRESSED_SLUMINANCE_ALPHA:
 500                 return MESA_FORMAT_SLA8;
 501
 502         default:
 503                 _mesa_problem(ctx,
 504                               "unexpected internalFormat 0x%x in %s",
 505                               (int)internalFormat, __func__);
 506                 return MESA_FORMAT_NONE;
 507         }
 508
 509         return MESA_FORMAT_NONE;                /* never get here */
 510 }
 511
 512 /** Check if given image is valid within current texture object.
 513  */
 514 static int image_matches_texture_obj(struct gl_texture_object *texObj,
 515         struct gl_texture_image *texImage,
 516         unsigned level)
 517 {
 518         const struct gl_texture_image *baseImage = texObj->Image[0][level];
 519
 520         if (level < texObj->BaseLevel || level > texObj->MaxLevel)
 521                 return 0;
 522
 523         const unsigned levelDiff = level - texObj->BaseLevel;
 524         const unsigned refWidth = baseImage->Width >> levelDiff;
 525         const unsigned refHeight = baseImage->Height >> levelDiff;
 526         const unsigned refDepth = baseImage->Depth >> levelDiff;
 527
 528         return (texImage->Width == refWidth &&
 529                         texImage->Height == refHeight &&
 530                         texImage->Depth == refDepth);
 531 }
 532
 533 static void teximage_assign_miptree(radeonContextPtr rmesa,
 534         struct gl_texture_object *texObj,
 535         struct gl_texture_image *texImage,
 536         unsigned face,
 537         unsigned level)
 538 {
 539         radeonTexObj *t = radeon_tex_obj(texObj);
 540         radeon_texture_image* image = get_radeon_texture_image(texImage);
 541
 542         /* Since miptree holds only images for levels <BaseLevel..MaxLevel>
 543          * don't allocate the miptree if the teximage won't fit.
 544          */
 545         if (!image_matches_texture_obj(texObj, texImage, level))
 546                 return;
 547
 548         /* Try using current miptree, or create new if there isn't any */
 549         if (!t->mt || !radeon_miptree_matches_image(t->mt, texImage, face, level)) {
 550                 radeon_miptree_unreference(&t->mt);
 551                 radeon_try_alloc_miptree(rmesa, t);
 552                 if (RADEON_DEBUG & RADEON_TEXTURE) {
 553                         fprintf(stderr, "%s: texObj %p, texImage %p, face %d, level %d, "
 554                                 "texObj miptree doesn't match, allocated new miptree %p\n",
 555                                 __FUNCTION__, texObj, texImage, face, level, t->mt);
 556                 }
 557         }
 558
 559         /* Miptree alocation may have failed,
 560          * when there was no image for baselevel specified */
 561         if (t->mt) {
 562                 image->mtface = face;
 563                 image->mtlevel = level;
 564                 radeon_miptree_reference(t->mt, &image->mt);
 565         }
 566 }
 567
 568 static GLuint * allocate_image_offsets(GLcontext *ctx,
 569         unsigned alignedWidth,
 570         unsigned height,
 571         unsigned depth)
 572 {
 573         int i;
 574         GLuint *offsets;
 575
 576         offsets = _mesa_malloc(depth * sizeof(GLuint)) ;
 577         if (!offsets) {
 578                 _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTex[Sub]Image");
 579                 return NULL;
 580         }
 581
 582         for (i = 0; i < depth; ++i) {
 583                 offsets[i] = alignedWidth * height * i;
 584         }
 585
 586         return offsets;
 587 }
 588
 589 /**
 590  * Update a subregion of the given texture image.
 591  */
 592 static void radeon_store_teximage(GLcontext* ctx, int dims,
 593                 GLint xoffset, GLint yoffset, GLint zoffset,
 594                 GLsizei width, GLsizei height, GLsizei depth,
 595                 GLsizei imageSize,
 596                 GLenum format, GLenum type,
 597                 const GLvoid * pixels,
 598                 const struct gl_pixelstore_attrib *packing,
 599                 struct gl_texture_object *texObj,
 600                 struct gl_texture_image *texImage,
 601                 int compressed)
 602 {
 603         radeonTexObj *t = radeon_tex_obj(texObj);
 604         radeon_texture_image* image = get_radeon_texture_image(texImage);
 605
 606         GLuint dstRowStride;
 607         GLuint *dstImageOffsets;
 608
 609         if (image->mt) {
 610                 dstRowStride = image->mt->levels[image->mtlevel].rowstride;
 611         } else if (t->bo) {
 612                 /* TFP case */
 613                 /* TODO */
 614                 assert(0);
 615         } else {
 616                 dstRowStride = _mesa_format_row_stride(texImage->TexFormat, texImage->Width);
 617         }
 618
 619         assert(dstRowStride);
 620
 621         if (dims == 3) {
 622                 unsigned alignedWidth = dstRowStride/_mesa_get_format_bytes(texImage->TexFormat);
 623                 dstImageOffsets = allocate_image_offsets(ctx, alignedWidth, texImage->Height, texImage->Depth);
 624                 if (!dstImageOffsets) {
 625                         return;
 626                 }
 627         } else {
 628                 dstImageOffsets = texImage->ImageOffsets;
 629         }
 630
 631         radeon_teximage_map(image, GL_TRUE);
 632
 633         if (compressed) {
 634                 uint32_t srcRowStride, bytesPerRow, rows, block_width, block_height;
 635                 GLubyte *img_start;
 636
 637                 _mesa_get_format_block_size(texImage->TexFormat, &block_width, &block_height);
 638
 639                 if (!image->mt) {
 640                         dstRowStride = _mesa_format_row_stride(texImage->TexFormat, texImage->Width);
 641                         img_start = _mesa_compressed_image_address(xoffset, yoffset, 0,
 642                                                                         texImage->TexFormat,
 643                                                                         texImage->Width, texImage->Data);
 644                 }
 645                 else {
 646                         uint32_t offset;
 647                         offset = dstRowStride / _mesa_get_format_bytes(texImage->TexFormat) * yoffset / block_height + xoffset / block_width;
 648                         offset *= _mesa_get_format_bytes(texImage->TexFormat);
 649                         img_start = texImage->Data + offset;
 650                 }
 651                 srcRowStride = _mesa_format_row_stride(texImage->TexFormat, width);
 652                 bytesPerRow = srcRowStride;
 653                 rows = (height + block_height - 1) / block_height;
 654
 655                 copy_rows(img_start, dstRowStride, pixels, srcRowStride, rows, bytesPerRow);
 656         }
 657         else {
 658                 if (!_mesa_texstore(ctx, dims, texImage->_BaseFormat,
 659                                         texImage->TexFormat, texImage->Data,
 660                                         xoffset, yoffset, zoffset,
 661                                         dstRowStride,
 662                                         dstImageOffsets,
 663                                         width, height, depth,
 664                                         format, type, pixels, packing)) {
 665                         _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexSubImage");
 666                 }
 667         }
 668
 669         if (dims == 3) {
 670                 _mesa_free(dstImageOffsets);
 671         }
 672
 673         radeon_teximage_unmap(image);
 674 }
 675
 676 /**
 677  * All glTexImage calls go through this function.
 678  */
 679 static void radeon_teximage(
 680         GLcontext *ctx, int dims,
 681         GLenum target, GLint level,
 682         GLint internalFormat,
 683         GLint width, GLint height, GLint depth,
 684         GLsizei imageSize,
 685         GLenum format, GLenum type, const GLvoid * pixels,
 686         const struct gl_pixelstore_attrib *packing,
 687         struct gl_texture_object *texObj,
 688         struct gl_texture_image *texImage,
 689         int compressed)
 690 {
 691         radeonContextPtr rmesa = RADEON_CONTEXT(ctx);
 692         radeonTexObj* t = radeon_tex_obj(texObj);
 693         radeon_texture_image* image = get_radeon_texture_image(texImage);
 694         GLint postConvWidth = width;
 695         GLint postConvHeight = height;
 696         GLuint face = radeon_face_for_target(target);
 697
 698         {
 699                 struct radeon_bo *bo;
 700                 bo = !image->mt ? image->bo : image->mt->bo;
 701                 if (bo && radeon_bo_is_referenced_by_cs(bo, rmesa->cmdbuf.cs)) {
 702                         radeon_firevertices(rmesa);
 703                 }
 704         }
 705
 706         if (RADEON_DEBUG & RADEON_TEXTURE) {
 707                 fprintf(stderr, "radeon_teximage%dd: texObj %p, texImage %p, face %d, level %d\n",
 708                                 dims, texObj, texImage, face, level);
 709         }
 710
 711         t->validated = GL_FALSE;
 712
 713         if (ctx->_ImageTransferState & IMAGE_CONVOLUTION_BIT) {
 714                _mesa_adjust_image_for_convolution(ctx, dims, &postConvWidth,
 715                                                   &postConvHeight);
 716         }
 717
 718         if (!_mesa_is_format_compressed(texImage->TexFormat)) {
 719                 GLuint texelBytes = _mesa_get_format_bytes(texImage->TexFormat);
 720                 /* Minimum pitch of 32 bytes */
 721                 if (postConvWidth * texelBytes < 32) {
 722                         postConvWidth = 32 / texelBytes;
 723                         texImage->RowStride = postConvWidth;
 724                 }
 725                 if (!image->mt) {
 726                         assert(texImage->RowStride == postConvWidth);
 727                 }
 728         }
 729
 730         /* Mesa core only clears texImage->Data but not image->mt */
 731         radeonFreeTexImageData(ctx, texImage);
 732
 733         if (!t->bo) {
 734                 teximage_assign_miptree(rmesa, texObj, texImage, face, level);
 735                 if (!image->mt) {
 736                         int size = _mesa_format_image_size(texImage->TexFormat,
 737                                                                 texImage->Width,
 738                                                                 texImage->Height,
 739                                                                 texImage->Depth);
 740                         texImage->Data = _mesa_alloc_texmemory(size);
 741                         if (RADEON_DEBUG & RADEON_TEXTURE) {
 742                                 fprintf(stderr, "radeon_teximage%dd: texObj %p, texImage %p, "
 743                                         " no miptree assigned, using local memory %p\n",
 744                                         dims, texObj, texImage, texImage->Data);
 745                         }
 746                 }
 747         }
 748
 749         /* Upload texture image; note that the spec allows pixels to be NULL */
 750         if (compressed) {
 751                 pixels = _mesa_validate_pbo_compressed_teximage(
 752                         ctx, imageSize, pixels, packing, "glCompressedTexImage");
 753         } else {
 754                 pixels = _mesa_validate_pbo_teximage(
 755                         ctx, dims, width, height, depth,
 756                         format, type, pixels, packing, "glTexImage");
 757         }
 758
 759         if (pixels) {
 760                 radeon_store_teximage(ctx, dims,
 761                         0, 0, 0,
 762                         width, height, depth,
 763                         imageSize, format, type,
 764                         pixels, packing,
 765                         texObj, texImage,
 766                         compressed);
 767         }
 768
 769         _mesa_unmap_teximage_pbo(ctx, packing);
 770 }
 771
 772 void radeonTexImage1D(GLcontext * ctx, GLenum target, GLint level,
 773                       GLint internalFormat,
 774                       GLint width, GLint border,
 775                       GLenum format, GLenum type, const GLvoid * pixels,
 776                       const struct gl_pixelstore_attrib *packing,
 777                       struct gl_texture_object *texObj,
 778                       struct gl_texture_image *texImage)
 779 {
 780         radeon_teximage(ctx, 1, target, level, internalFormat, width, 1, 1,
 781                 0, format, type, pixels, packing, texObj, texImage, 0);
 782 }
 783
 784 void radeonTexImage2D(GLcontext * ctx, GLenum target, GLint level,
 785                            GLint internalFormat,
 786                            GLint width, GLint height, GLint border,
 787                            GLenum format, GLenum type, const GLvoid * pixels,
 788                            const struct gl_pixelstore_attrib *packing,
 789                            struct gl_texture_object *texObj,
 790                            struct gl_texture_image *texImage)
 791
 792 {
 793         radeon_teximage(ctx, 2, target, level, internalFormat, width, height, 1,
 794                 0, format, type, pixels, packing, texObj, texImage, 0);
 795 }
 796
 797 void radeonCompressedTexImage2D(GLcontext * ctx, GLenum target,
 798                                      GLint level, GLint internalFormat,
 799                                      GLint width, GLint height, GLint border,
 800                                      GLsizei imageSize, const GLvoid * data,
 801                                      struct gl_texture_object *texObj,
 802                                      struct gl_texture_image *texImage)
 803 {
 804         radeon_teximage(ctx, 2, target, level, internalFormat, width, height, 1,
 805                 imageSize, 0, 0, data, &ctx->Unpack, texObj, texImage, 1);
 806 }
 807
 808 void radeonTexImage3D(GLcontext * ctx, GLenum target, GLint level,
 809                       GLint internalFormat,
 810                       GLint width, GLint height, GLint depth,
 811                       GLint border,
 812                       GLenum format, GLenum type, const GLvoid * pixels,
 813                       const struct gl_pixelstore_attrib *packing,
 814                       struct gl_texture_object *texObj,
 815                       struct gl_texture_image *texImage)
 816 {
 817         radeon_teximage(ctx, 3, target, level, internalFormat, width, height, depth,
 818                 0, format, type, pixels, packing, texObj, texImage, 0);
 819 }
 820
 821 /**
 822  * All glTexSubImage calls go through this function.
 823  */
 824 static void radeon_texsubimage(GLcontext* ctx, int dims, GLenum target, int level,
 825                 GLint xoffset, GLint yoffset, GLint zoffset,
 826                 GLsizei width, GLsizei height, GLsizei depth,
 827                 GLsizei imageSize,
 828                 GLenum format, GLenum type,
 829                 const GLvoid * pixels,
 830                 const struct gl_pixelstore_attrib *packing,
 831                 struct gl_texture_object *texObj,
 832                 struct gl_texture_image *texImage,
 833                 int compressed)
 834 {
 835         radeonContextPtr rmesa = RADEON_CONTEXT(ctx);
 836         radeonTexObj* t = radeon_tex_obj(texObj);
 837         radeon_texture_image* image = get_radeon_texture_image(texImage);
 838
 839         {
 840                 struct radeon_bo *bo;
 841                 bo = !image->mt ? image->bo : image->mt->bo;
 842                 if (bo && radeon_bo_is_referenced_by_cs(bo, rmesa->cmdbuf.cs)) {
 843                         radeon_firevertices(rmesa);
 844                 }
 845         }
 846
 847         if (RADEON_DEBUG & RADEON_TEXTURE) {
 848                 fprintf(stderr, "radeon_texsubimage%dd: texObj %p, texImage %p, face %d, level %d\n",
 849                                 dims, texObj, texImage, radeon_face_for_target(target), level);
 850         }
 851
 852         t->validated = GL_FALSE;
 853         if (compressed) {
 854                 pixels = _mesa_validate_pbo_compressed_teximage(
 855                         ctx, imageSize, pixels, packing, "glCompressedTexSubImage");
 856         } else {
 857                 pixels = _mesa_validate_pbo_teximage(ctx, dims,
 858                         width, height, depth, format, type, pixels, packing, "glTexSubImage");
 859         }
 860
 861         if (pixels) {
 862                 radeon_store_teximage(ctx, dims,
 863                         xoffset, yoffset, zoffset,
 864                         width, height, depth,
 865                         imageSize, format, type,
 866                         pixels, packing,
 867                         texObj, texImage,
 868                         compressed);
 869         }
 870
 871         _mesa_unmap_teximage_pbo(ctx, packing);
 872 }
 873
 874 void radeonTexSubImage1D(GLcontext * ctx, GLenum target, GLint level,
 875                          GLint xoffset,
 876                          GLsizei width,
 877                          GLenum format, GLenum type,
 878                          const GLvoid * pixels,
 879                          const struct gl_pixelstore_attrib *packing,
 880                          struct gl_texture_object *texObj,
 881                          struct gl_texture_image *texImage)
 882 {
 883         radeon_texsubimage(ctx, 1, target, level, xoffset, 0, 0, width, 1, 1, 0,
 884                 format, type, pixels, packing, texObj, texImage, 0);
 885 }
 886
 887 void radeonTexSubImage2D(GLcontext * ctx, GLenum target, GLint level,
 888                          GLint xoffset, GLint yoffset,
 889                          GLsizei width, GLsizei height,
 890                          GLenum format, GLenum type,
 891                          const GLvoid * pixels,
 892                          const struct gl_pixelstore_attrib *packing,
 893                          struct gl_texture_object *texObj,
 894                          struct gl_texture_image *texImage)
 895 {
 896         radeon_texsubimage(ctx, 2, target, level, xoffset, yoffset, 0, width, height, 1,
 897                            0, format, type, pixels, packing, texObj, texImage,
 898                            0);
 899 }
 900
 901 void radeonCompressedTexSubImage2D(GLcontext * ctx, GLenum target,
 902                                    GLint level, GLint xoffset,
 903                                    GLint yoffset, GLsizei width,
 904                                    GLsizei height, GLenum format,
 905                                    GLsizei imageSize, const GLvoid * data,
 906                                    struct gl_texture_object *texObj,
 907                                    struct gl_texture_image *texImage)
 908 {
 909         radeon_texsubimage(ctx, 2, target, level, xoffset, yoffset, 0, width, height, 1,
 910                 imageSize, format, 0, data, &ctx->Unpack, texObj, texImage, 1);
 911 }
 912
 913
 914 void radeonTexSubImage3D(GLcontext * ctx, GLenum target, GLint level,
 915                          GLint xoffset, GLint yoffset, GLint zoffset,
 916                          GLsizei width, GLsizei height, GLsizei depth,
 917                          GLenum format, GLenum type,
 918                          const GLvoid * pixels,
 919                          const struct gl_pixelstore_attrib *packing,
 920                          struct gl_texture_object *texObj,
 921                          struct gl_texture_image *texImage)
 922 {
 923         radeon_texsubimage(ctx, 3, target, level, xoffset, yoffset, zoffset, width, height, depth, 0,
 924                 format, type, pixels, packing, texObj, texImage, 0);
 925 }
 926
 927 /**
 928  * Need to map texture image into memory before copying image data,
 929  * then unmap it.
 930  */
 931 static void
 932 radeon_get_tex_image(GLcontext * ctx, GLenum target, GLint level,
 933                      GLenum format, GLenum type, GLvoid * pixels,
 934                      struct gl_texture_object *texObj,
 935                      struct gl_texture_image *texImage, int compressed)
 936 {
 937         radeon_texture_image *image = get_radeon_texture_image(texImage);
 938
 939         if (image->mt) {
 940                 /* Map the texture image read-only */
 941                 radeon_teximage_map(image, GL_FALSE);
 942         } else {
 943                 /* Image hasn't been uploaded to a miptree yet */
 944                 assert(image->base.Data);
 945         }
 946
 947         if (compressed) {
 948                 /* FIXME: this can't work for small textures (mips) which
 949                          use different hw stride */
 950                 _mesa_get_compressed_teximage(ctx, target, level, pixels,
 951                                               texObj, texImage);
 952         } else {
 953                 _mesa_get_teximage(ctx, target, level, format, type, pixels,
 954                                    texObj, texImage);
 955         }
 956
 957         if (image->mt) {
 958                 radeon_teximage_unmap(image);
 959         }
 960 }
 961
 962 void
 963 radeonGetTexImage(GLcontext * ctx, GLenum target, GLint level,
 964                   GLenum format, GLenum type, GLvoid * pixels,
 965                   struct gl_texture_object *texObj,
 966                   struct gl_texture_image *texImage)
 967 {
 968         radeon_get_tex_image(ctx, target, level, format, type, pixels,
 969                              texObj, texImage, 0);
 970 }
 971
 972 void
 973 radeonGetCompressedTexImage(GLcontext *ctx, GLenum target, GLint level,
 974                             GLvoid *pixels,
 975                             struct gl_texture_object *texObj,
 976                             struct gl_texture_image *texImage)
 977 {
 978         radeon_get_tex_image(ctx, target, level, 0, 0, pixels,
 979                              texObj, texImage, 1);
 980 }