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][texObj->BaseLevel];
 519
 520         if (!baseImage)
 521                 return 0;
 522
 523         if (level < texObj->BaseLevel || level > texObj->MaxLevel)
 524                 return 0;
 525
 526         const unsigned levelDiff = level - texObj->BaseLevel;
 527         const unsigned refWidth = MAX2(baseImage->Width >> levelDiff, 1);
 528         const unsigned refHeight = MAX2(baseImage->Height >> levelDiff, 1);
 529         const unsigned refDepth = MAX2(baseImage->Depth >> levelDiff, 1);
 530
 531         return (texImage->Width == refWidth &&
 532                         texImage->Height == refHeight &&
 533                         texImage->Depth == refDepth);
 534 }
 535
 536 static void teximage_assign_miptree(radeonContextPtr rmesa,
 537         struct gl_texture_object *texObj,
 538         struct gl_texture_image *texImage,
 539         unsigned face,
 540         unsigned level)
 541 {
 542         radeonTexObj *t = radeon_tex_obj(texObj);
 543         radeon_texture_image* image = get_radeon_texture_image(texImage);
 544
 545         /* Since miptree holds only images for levels <BaseLevel..MaxLevel>
 546          * don't allocate the miptree if the teximage won't fit.
 547          */
 548         if (!image_matches_texture_obj(texObj, texImage, level))
 549                 return;
 550
 551         /* Try using current miptree, or create new if there isn't any */
 552         if (!t->mt || !radeon_miptree_matches_image(t->mt, texImage, face, level)) {
 553                 radeon_miptree_unreference(&t->mt);
 554                 radeon_try_alloc_miptree(rmesa, t);
 555                 if (RADEON_DEBUG & RADEON_TEXTURE) {
 556                         fprintf(stderr, "%s: texObj %p, texImage %p, face %d, level %d, "
 557                                 "texObj miptree doesn't match, allocated new miptree %p\n",
 558                                 __FUNCTION__, texObj, texImage, face, level, t->mt);
 559                 }
 560         }
 561
 562         /* Miptree alocation may have failed,
 563          * when there was no image for baselevel specified */
 564         if (t->mt) {
 565                 image->mtface = face;
 566                 image->mtlevel = level;
 567                 radeon_miptree_reference(t->mt, &image->mt);
 568         }
 569 }
 570
 571 static GLuint * allocate_image_offsets(GLcontext *ctx,
 572         unsigned alignedWidth,
 573         unsigned height,
 574         unsigned depth)
 575 {
 576         int i;
 577         GLuint *offsets;
 578
 579         offsets = _mesa_malloc(depth * sizeof(GLuint)) ;
 580         if (!offsets) {
 581                 _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTex[Sub]Image");
 582                 return NULL;
 583         }
 584
 585         for (i = 0; i < depth; ++i) {
 586                 offsets[i] = alignedWidth * height * i;
 587         }
 588
 589         return offsets;
 590 }
 591
 592 /**
 593  * Update a subregion of the given texture image.
 594  */
 595 static void radeon_store_teximage(GLcontext* ctx, int dims,
 596                 GLint xoffset, GLint yoffset, GLint zoffset,
 597                 GLsizei width, GLsizei height, GLsizei depth,
 598                 GLsizei imageSize,
 599                 GLenum format, GLenum type,
 600                 const GLvoid * pixels,
 601                 const struct gl_pixelstore_attrib *packing,
 602                 struct gl_texture_object *texObj,
 603                 struct gl_texture_image *texImage,
 604                 int compressed)
 605 {
 606         radeonTexObj *t = radeon_tex_obj(texObj);
 607         radeon_texture_image* image = get_radeon_texture_image(texImage);
 608
 609         GLuint dstRowStride;
 610         GLuint *dstImageOffsets;
 611
 612         if (image->mt) {
 613                 dstRowStride = image->mt->levels[image->mtlevel].rowstride;
 614         } else if (t->bo) {
 615                 /* TFP case */
 616                 /* TODO */
 617                 assert(0);
 618         } else {
 619                 dstRowStride = _mesa_format_row_stride(texImage->TexFormat, texImage->Width);
 620         }
 621
 622         assert(dstRowStride);
 623
 624         if (dims == 3) {
 625                 unsigned alignedWidth = dstRowStride/_mesa_get_format_bytes(texImage->TexFormat);
 626                 dstImageOffsets = allocate_image_offsets(ctx, alignedWidth, texImage->Height, texImage->Depth);
 627                 if (!dstImageOffsets) {
 628                         return;
 629                 }
 630         } else {
 631                 dstImageOffsets = texImage->ImageOffsets;
 632         }
 633
 634         radeon_teximage_map(image, GL_TRUE);
 635
 636         if (compressed) {
 637                 uint32_t srcRowStride, bytesPerRow, rows, block_width, block_height;
 638                 GLubyte *img_start;
 639
 640                 _mesa_get_format_block_size(texImage->TexFormat, &block_width, &block_height);
 641
 642                 if (!image->mt) {
 643                         dstRowStride = _mesa_format_row_stride(texImage->TexFormat, texImage->Width);
 644                         img_start = _mesa_compressed_image_address(xoffset, yoffset, 0,
 645                                                                         texImage->TexFormat,
 646                                                                         texImage->Width, texImage->Data);
 647                 }
 648                 else {
 649                         uint32_t offset;
 650                         offset = dstRowStride / _mesa_get_format_bytes(texImage->TexFormat) * yoffset / block_height + xoffset / block_width;
 651                         offset *= _mesa_get_format_bytes(texImage->TexFormat);
 652                         img_start = texImage->Data + offset;
 653                 }
 654                 srcRowStride = _mesa_format_row_stride(texImage->TexFormat, width);
 655                 bytesPerRow = srcRowStride;
 656                 rows = (height + block_height - 1) / block_height;
 657
 658                 copy_rows(img_start, dstRowStride, pixels, srcRowStride, rows, bytesPerRow);
 659         }
 660         else {
 661                 if (!_mesa_texstore(ctx, dims, texImage->_BaseFormat,
 662                                         texImage->TexFormat, texImage->Data,
 663                                         xoffset, yoffset, zoffset,
 664                                         dstRowStride,
 665                                         dstImageOffsets,
 666                                         width, height, depth,
 667                                         format, type, pixels, packing)) {
 668                         _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexSubImage");
 669                 }
 670         }
 671
 672         if (dims == 3) {
 673                 _mesa_free(dstImageOffsets);
 674         }
 675
 676         radeon_teximage_unmap(image);
 677 }
 678
 679 /**
 680  * All glTexImage calls go through this function.
 681  */
 682 static void radeon_teximage(
 683         GLcontext *ctx, int dims,
 684         GLenum target, GLint level,
 685         GLint internalFormat,
 686         GLint width, GLint height, GLint depth,
 687         GLsizei imageSize,
 688         GLenum format, GLenum type, const GLvoid * pixels,
 689         const struct gl_pixelstore_attrib *packing,
 690         struct gl_texture_object *texObj,
 691         struct gl_texture_image *texImage,
 692         int compressed)
 693 {
 694         radeonContextPtr rmesa = RADEON_CONTEXT(ctx);
 695         radeonTexObj* t = radeon_tex_obj(texObj);
 696         radeon_texture_image* image = get_radeon_texture_image(texImage);
 697         GLint postConvWidth = width;
 698         GLint postConvHeight = height;
 699         GLuint face = radeon_face_for_target(target);
 700
 701         {
 702                 struct radeon_bo *bo;
 703                 bo = !image->mt ? image->bo : image->mt->bo;
 704                 if (bo && radeon_bo_is_referenced_by_cs(bo, rmesa->cmdbuf.cs)) {
 705                         radeon_firevertices(rmesa);
 706                 }
 707         }
 708
 709         if (RADEON_DEBUG & RADEON_TEXTURE) {
 710                 fprintf(stderr, "radeon_teximage%dd: texObj %p, texImage %p, face %d, level %d\n",
 711                                 dims, texObj, texImage, face, level);
 712         }
 713
 714         t->validated = GL_FALSE;
 715
 716         if (ctx->_ImageTransferState & IMAGE_CONVOLUTION_BIT) {
 717                _mesa_adjust_image_for_convolution(ctx, dims, &postConvWidth,
 718                                                   &postConvHeight);
 719         }
 720
 721         if (!_mesa_is_format_compressed(texImage->TexFormat)) {
 722                 GLuint texelBytes = _mesa_get_format_bytes(texImage->TexFormat);
 723                 /* Minimum pitch of 32 bytes */
 724                 if (postConvWidth * texelBytes < 32) {
 725                         postConvWidth = 32 / texelBytes;
 726                         texImage->RowStride = postConvWidth;
 727                 }
 728                 if (!image->mt) {
 729                         assert(texImage->RowStride == postConvWidth);
 730                 }
 731         }
 732
 733         /* Mesa core only clears texImage->Data but not image->mt */
 734         radeonFreeTexImageData(ctx, texImage);
 735
 736         if (!t->bo) {
 737                 teximage_assign_miptree(rmesa, texObj, texImage, face, level);
 738                 if (!image->mt) {
 739                         int size = _mesa_format_image_size(texImage->TexFormat,
 740                                                                 texImage->Width,
 741                                                                 texImage->Height,
 742                                                                 texImage->Depth);
 743                         texImage->Data = _mesa_alloc_texmemory(size);
 744                         if (RADEON_DEBUG & RADEON_TEXTURE) {
 745                                 fprintf(stderr, "radeon_teximage%dd: texObj %p, texImage %p, "
 746                                         " no miptree assigned, using local memory %p\n",
 747                                         dims, texObj, texImage, texImage->Data);
 748                         }
 749                 }
 750         }
 751
 752         /* Upload texture image; note that the spec allows pixels to be NULL */
 753         if (compressed) {
 754                 pixels = _mesa_validate_pbo_compressed_teximage(
 755                         ctx, imageSize, pixels, packing, "glCompressedTexImage");
 756         } else {
 757                 pixels = _mesa_validate_pbo_teximage(
 758                         ctx, dims, width, height, depth,
 759                         format, type, pixels, packing, "glTexImage");
 760         }
 761
 762         if (pixels) {
 763                 radeon_store_teximage(ctx, dims,
 764                         0, 0, 0,
 765                         width, height, depth,
 766                         imageSize, format, type,
 767                         pixels, packing,
 768                         texObj, texImage,
 769                         compressed);
 770         }
 771
 772         _mesa_unmap_teximage_pbo(ctx, packing);
 773 }
 774
 775 void radeonTexImage1D(GLcontext * ctx, GLenum target, GLint level,
 776                       GLint internalFormat,
 777                       GLint width, GLint border,
 778                       GLenum format, GLenum type, const GLvoid * pixels,
 779                       const struct gl_pixelstore_attrib *packing,
 780                       struct gl_texture_object *texObj,
 781                       struct gl_texture_image *texImage)
 782 {
 783         radeon_teximage(ctx, 1, target, level, internalFormat, width, 1, 1,
 784                 0, format, type, pixels, packing, texObj, texImage, 0);
 785 }
 786
 787 void radeonTexImage2D(GLcontext * ctx, GLenum target, GLint level,
 788                            GLint internalFormat,
 789                            GLint width, GLint height, GLint border,
 790                            GLenum format, GLenum type, const GLvoid * pixels,
 791                            const struct gl_pixelstore_attrib *packing,
 792                            struct gl_texture_object *texObj,
 793                            struct gl_texture_image *texImage)
 794
 795 {
 796         radeon_teximage(ctx, 2, target, level, internalFormat, width, height, 1,
 797                 0, format, type, pixels, packing, texObj, texImage, 0);
 798 }
 799
 800 void radeonCompressedTexImage2D(GLcontext * ctx, GLenum target,
 801                                      GLint level, GLint internalFormat,
 802                                      GLint width, GLint height, GLint border,
 803                                      GLsizei imageSize, const GLvoid * data,
 804                                      struct gl_texture_object *texObj,
 805                                      struct gl_texture_image *texImage)
 806 {
 807         radeon_teximage(ctx, 2, target, level, internalFormat, width, height, 1,
 808                 imageSize, 0, 0, data, &ctx->Unpack, texObj, texImage, 1);
 809 }
 810
 811 void radeonTexImage3D(GLcontext * ctx, GLenum target, GLint level,
 812                       GLint internalFormat,
 813                       GLint width, GLint height, GLint depth,
 814                       GLint border,
 815                       GLenum format, GLenum type, const GLvoid * pixels,
 816                       const struct gl_pixelstore_attrib *packing,
 817                       struct gl_texture_object *texObj,
 818                       struct gl_texture_image *texImage)
 819 {
 820         radeon_teximage(ctx, 3, target, level, internalFormat, width, height, depth,
 821                 0, format, type, pixels, packing, texObj, texImage, 0);
 822 }
 823
 824 /**
 825  * All glTexSubImage calls go through this function.
 826  */
 827 static void radeon_texsubimage(GLcontext* ctx, int dims, GLenum target, int level,
 828                 GLint xoffset, GLint yoffset, GLint zoffset,
 829                 GLsizei width, GLsizei height, GLsizei depth,
 830                 GLsizei imageSize,
 831                 GLenum format, GLenum type,
 832                 const GLvoid * pixels,
 833                 const struct gl_pixelstore_attrib *packing,
 834                 struct gl_texture_object *texObj,
 835                 struct gl_texture_image *texImage,
 836                 int compressed)
 837 {
 838         radeonContextPtr rmesa = RADEON_CONTEXT(ctx);
 839         radeonTexObj* t = radeon_tex_obj(texObj);
 840         radeon_texture_image* image = get_radeon_texture_image(texImage);
 841
 842         {
 843                 struct radeon_bo *bo;
 844                 bo = !image->mt ? image->bo : image->mt->bo;
 845                 if (bo && radeon_bo_is_referenced_by_cs(bo, rmesa->cmdbuf.cs)) {
 846                         radeon_firevertices(rmesa);
 847                 }
 848         }
 849
 850         if (RADEON_DEBUG & RADEON_TEXTURE) {
 851                 fprintf(stderr, "radeon_texsubimage%dd: texObj %p, texImage %p, face %d, level %d\n",
 852                                 dims, texObj, texImage, radeon_face_for_target(target), level);
 853         }
 854
 855         t->validated = GL_FALSE;
 856         if (compressed) {
 857                 pixels = _mesa_validate_pbo_compressed_teximage(
 858                         ctx, imageSize, pixels, packing, "glCompressedTexSubImage");
 859         } else {
 860                 pixels = _mesa_validate_pbo_teximage(ctx, dims,
 861                         width, height, depth, format, type, pixels, packing, "glTexSubImage");
 862         }
 863
 864         if (pixels) {
 865                 radeon_store_teximage(ctx, dims,
 866                         xoffset, yoffset, zoffset,
 867                         width, height, depth,
 868                         imageSize, format, type,
 869                         pixels, packing,
 870                         texObj, texImage,
 871                         compressed);
 872         }
 873
 874         _mesa_unmap_teximage_pbo(ctx, packing);
 875 }
 876
 877 void radeonTexSubImage1D(GLcontext * ctx, GLenum target, GLint level,
 878                          GLint xoffset,
 879                          GLsizei width,
 880                          GLenum format, GLenum type,
 881                          const GLvoid * pixels,
 882                          const struct gl_pixelstore_attrib *packing,
 883                          struct gl_texture_object *texObj,
 884                          struct gl_texture_image *texImage)
 885 {
 886         radeon_texsubimage(ctx, 1, target, level, xoffset, 0, 0, width, 1, 1, 0,
 887                 format, type, pixels, packing, texObj, texImage, 0);
 888 }
 889
 890 void radeonTexSubImage2D(GLcontext * ctx, GLenum target, GLint level,
 891                          GLint xoffset, GLint yoffset,
 892                          GLsizei width, GLsizei height,
 893                          GLenum format, GLenum type,
 894                          const GLvoid * pixels,
 895                          const struct gl_pixelstore_attrib *packing,
 896                          struct gl_texture_object *texObj,
 897                          struct gl_texture_image *texImage)
 898 {
 899         radeon_texsubimage(ctx, 2, target, level, xoffset, yoffset, 0, width, height, 1,
 900                            0, format, type, pixels, packing, texObj, texImage,
 901                            0);
 902 }
 903
 904 void radeonCompressedTexSubImage2D(GLcontext * ctx, GLenum target,
 905                                    GLint level, GLint xoffset,
 906                                    GLint yoffset, GLsizei width,
 907                                    GLsizei height, GLenum format,
 908                                    GLsizei imageSize, const GLvoid * data,
 909                                    struct gl_texture_object *texObj,
 910                                    struct gl_texture_image *texImage)
 911 {
 912         radeon_texsubimage(ctx, 2, target, level, xoffset, yoffset, 0, width, height, 1,
 913                 imageSize, format, 0, data, &ctx->Unpack, texObj, texImage, 1);
 914 }
 915
 916
 917 void radeonTexSubImage3D(GLcontext * ctx, GLenum target, GLint level,
 918                          GLint xoffset, GLint yoffset, GLint zoffset,
 919                          GLsizei width, GLsizei height, GLsizei depth,
 920                          GLenum format, GLenum type,
 921                          const GLvoid * pixels,
 922                          const struct gl_pixelstore_attrib *packing,
 923                          struct gl_texture_object *texObj,
 924                          struct gl_texture_image *texImage)
 925 {
 926         radeon_texsubimage(ctx, 3, target, level, xoffset, yoffset, zoffset, width, height, depth, 0,
 927                 format, type, pixels, packing, texObj, texImage, 0);
 928 }
 929
 930 /**
 931  * Need to map texture image into memory before copying image data,
 932  * then unmap it.
 933  */
 934 static void
 935 radeon_get_tex_image(GLcontext * ctx, GLenum target, GLint level,
 936                      GLenum format, GLenum type, GLvoid * pixels,
 937                      struct gl_texture_object *texObj,
 938                      struct gl_texture_image *texImage, int compressed)
 939 {
 940         radeon_texture_image *image = get_radeon_texture_image(texImage);
 941
 942         if (image->mt) {
 943                 /* Map the texture image read-only */
 944                 radeon_teximage_map(image, GL_FALSE);
 945         } else {
 946                 /* Image hasn't been uploaded to a miptree yet */
 947                 assert(image->base.Data);
 948         }
 949
 950         if (compressed) {
 951                 /* FIXME: this can't work for small textures (mips) which
 952                          use different hw stride */
 953                 _mesa_get_compressed_teximage(ctx, target, level, pixels,
 954                                               texObj, texImage);
 955         } else {
 956                 _mesa_get_teximage(ctx, target, level, format, type, pixels,
 957                                    texObj, texImage);
 958         }
 959
 960         if (image->mt) {
 961                 radeon_teximage_unmap(image);
 962         }
 963 }
 964
 965 void
 966 radeonGetTexImage(GLcontext * ctx, GLenum target, GLint level,
 967                   GLenum format, GLenum type, GLvoid * pixels,
 968                   struct gl_texture_object *texObj,
 969                   struct gl_texture_image *texImage)
 970 {
 971         radeon_get_tex_image(ctx, target, level, format, type, pixels,
 972                              texObj, texImage, 0);
 973 }
 974
 975 void
 976 radeonGetCompressedTexImage(GLcontext *ctx, GLenum target, GLint level,
 977                             GLvoid *pixels,
 978                             struct gl_texture_object *texObj,
 979                             struct gl_texture_image *texImage)
 980 {
 981         radeon_get_tex_image(ctx, target, level, 0, 0, pixels,
 982                              texObj, texImage, 1);
 983 }