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

   1 /*
   2  * Copyright (C) 2008 Nicolai Haehnle.
   3  * Copyright (C) The Weather Channel, Inc.  2002.  All Rights Reserved.
   4  *
   5  * The Weather Channel (TM) funded Tungsten Graphics to develop the
   6  * initial release of the Radeon 8500 driver under the XFree86 license.
   7  * This notice must be preserved.
   8  *
   9  * Permission is hereby granted, free of charge, to any person obtaining
  10  * a copy of this software and associated documentation files (the
  11  * "Software"), to deal in the Software without restriction, including
  12  * without limitation the rights to use, copy, modify, merge, publish,
  13  * distribute, sublicense, and/or sell copies of the Software, and to
  14  * permit persons to whom the Software is furnished to do so, subject to
  15  * the following conditions:
  16  *
  17  * The above copyright notice and this permission notice (including the
  18  * next paragraph) shall be included in all copies or substantial
  19  * portions of the Software.
  20  *
  21  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  22  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  23  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
  24  * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
  25  * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  26  * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  27  * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  28  *
  29  */
  30
  31 #include "main/glheader.h"
  32 #include "main/imports.h"
  33 #include "main/context.h"
  34 #include "main/convolve.h"
  35 #include "main/mipmap.h"
  36 #include "main/texcompress.h"
  37 #include "main/texformat.h"
  38 #include "main/texstore.h"
  39 #include "main/teximage.h"
  40 #include "main/texobj.h"
  41
  42 #include "xmlpool.h"            /* for symbolic values of enum-type options */
  43
  44 #include "radeon_common.h"
  45
  46 #include "radeon_mipmap_tree.h"
  47
  48
  49 static void copy_rows(void* dst, GLuint dststride, const void* src, GLuint srcstride,
  50         GLuint numrows, GLuint rowsize)
  51 {
  52         assert(rowsize <= dststride);
  53         assert(rowsize <= srcstride);
  54
  55         if (rowsize == srcstride && rowsize == dststride) {
  56                 memcpy(dst, src, numrows*rowsize);
  57         } else {
  58                 GLuint i;
  59                 for(i = 0; i < numrows; ++i) {
  60                         memcpy(dst, src, rowsize);
  61                         dst += dststride;
  62                         src += srcstride;
  63                 }
  64         }
  65 }
  66
  67 /* textures */
  68 /**
  69  * Allocate an empty texture image object.
  70  */
  71 struct gl_texture_image *radeonNewTextureImage(GLcontext *ctx)
  72 {
  73         return CALLOC(sizeof(radeon_texture_image));
  74 }
  75
  76 /**
  77  * Free memory associated with this texture image.
  78  */
  79 void radeonFreeTexImageData(GLcontext *ctx, struct gl_texture_image *timage)
  80 {
  81         radeon_texture_image* image = get_radeon_texture_image(timage);
  82
  83         if (image->mt) {
  84                 radeon_miptree_unreference(image->mt);
  85                 image->mt = 0;
  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 = &image->mt->levels[image->mtlevel];
 104
 105         image->base.Data = image->mt->bo->ptr + lvl->faces[image->mtface].offset;
 106         image->base.RowStride = lvl->rowstride / image->mt->bpp;
 107 }
 108
 109
 110 /**
 111  * Map a single texture image for glTexImage and friends.
 112  */
 113 void radeon_teximage_map(radeon_texture_image *image, GLboolean write_enable)
 114 {
 115         if (image->mt) {
 116                 assert(!image->base.Data);
 117
 118                 radeon_bo_map(image->mt->bo, write_enable);
 119                 teximage_set_map_data(image);
 120         }
 121 }
 122
 123
 124 void radeon_teximage_unmap(radeon_texture_image *image)
 125 {
 126         if (image->mt) {
 127                 assert(image->base.Data);
 128
 129                 image->base.Data = 0;
 130                 radeon_bo_unmap(image->mt->bo);
 131         }
 132 }
 133
 134 /**
 135  * Map a validated texture for reading during software rendering.
 136  */
 137 void radeonMapTexture(GLcontext *ctx, struct gl_texture_object *texObj)
 138 {
 139         radeonTexObj* t = radeon_tex_obj(texObj);
 140         int face, level;
 141
 142         /* for r100 3D sw fallbacks don't have mt */
 143         if (!t->mt)
 144           return;
 145
 146         radeon_bo_map(t->mt->bo, GL_FALSE);
 147         for(face = 0; face < t->mt->faces; ++face) {
 148                 for(level = t->mt->firstLevel; level <= t->mt->lastLevel; ++level)
 149                         teximage_set_map_data(get_radeon_texture_image(texObj->Image[face][level]));
 150         }
 151 }
 152
 153 void radeonUnmapTexture(GLcontext *ctx, struct gl_texture_object *texObj)
 154 {
 155         radeonTexObj* t = radeon_tex_obj(texObj);
 156         int face, level;
 157
 158         /* for r100 3D sw fallbacks don't have mt */
 159         if (!t->mt)
 160           return;
 161
 162         for(face = 0; face < t->mt->faces; ++face) {
 163                 for(level = t->mt->firstLevel; level <= t->mt->lastLevel; ++level)
 164                         texObj->Image[face][level]->Data = 0;
 165         }
 166         radeon_bo_unmap(t->mt->bo);
 167 }
 168
 169 GLuint radeon_face_for_target(GLenum target)
 170 {
 171         switch (target) {
 172         case GL_TEXTURE_CUBE_MAP_POSITIVE_X:
 173         case GL_TEXTURE_CUBE_MAP_NEGATIVE_X:
 174         case GL_TEXTURE_CUBE_MAP_POSITIVE_Y:
 175         case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y:
 176         case GL_TEXTURE_CUBE_MAP_POSITIVE_Z:
 177         case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z:
 178                 return (GLuint) target - (GLuint) GL_TEXTURE_CUBE_MAP_POSITIVE_X;
 179         default:
 180                 return 0;
 181         }
 182 }
 183
 184 /**
 185  * Wraps Mesa's implementation to ensure that the base level image is mapped.
 186  *
 187  * This relies on internal details of _mesa_generate_mipmap, in particular
 188  * the fact that the memory for recreated texture images is always freed.
 189  */
 190 static void radeon_generate_mipmap(GLcontext *ctx, GLenum target,
 191                                    struct gl_texture_object *texObj)
 192 {
 193         radeonTexObj* t = radeon_tex_obj(texObj);
 194         GLuint nr_faces = (t->base.Target == GL_TEXTURE_CUBE_MAP) ? 6 : 1;
 195         int i, face;
 196
 197
 198         _mesa_generate_mipmap(ctx, target, texObj);
 199
 200         for (face = 0; face < nr_faces; face++) {
 201                 for (i = texObj->BaseLevel + 1; i < texObj->MaxLevel; i++) {
 202                         radeon_texture_image *image;
 203
 204                         image = get_radeon_texture_image(texObj->Image[face][i]);
 205
 206                         if (image == NULL)
 207                                 break;
 208
 209                         image->mtlevel = i;
 210                         image->mtface = face;
 211
 212                         radeon_miptree_unreference(image->mt);
 213                         image->mt = NULL;
 214                 }
 215         }
 216
 217 }
 218
 219 void radeonGenerateMipmap(GLcontext* ctx, GLenum target, struct gl_texture_object *texObj)
 220 {
 221         GLuint face = radeon_face_for_target(target);
 222         radeon_texture_image *baseimage = get_radeon_texture_image(texObj->Image[face][texObj->BaseLevel]);
 223
 224         radeon_teximage_map(baseimage, GL_FALSE);
 225         radeon_generate_mipmap(ctx, target, texObj);
 226         radeon_teximage_unmap(baseimage);
 227 }
 228
 229
 230 /* try to find a format which will only need a memcopy */
 231 static const struct gl_texture_format *radeonChoose8888TexFormat(radeonContextPtr rmesa,
 232                                                                  GLenum srcFormat,
 233                                                                  GLenum srcType)
 234 {
 235         const GLuint ui = 1;
 236         const GLubyte littleEndian = *((const GLubyte *)&ui);
 237
 238         /* r100 can only do this */
 239         if (IS_R100_CLASS(rmesa->radeonScreen))
 240           return _dri_texformat_argb8888;
 241
 242         if ((srcFormat == GL_RGBA && srcType == GL_UNSIGNED_INT_8_8_8_8) ||
 243             (srcFormat == GL_RGBA && srcType == GL_UNSIGNED_BYTE && !littleEndian) ||
 244             (srcFormat == GL_ABGR_EXT && srcType == GL_UNSIGNED_INT_8_8_8_8_REV) ||
 245             (srcFormat == GL_ABGR_EXT && srcType == GL_UNSIGNED_BYTE && littleEndian)) {
 246                 return &_mesa_texformat_rgba8888;
 247         } else if ((srcFormat == GL_RGBA && srcType == GL_UNSIGNED_INT_8_8_8_8_REV) ||
 248                    (srcFormat == GL_RGBA && srcType == GL_UNSIGNED_BYTE && littleEndian) ||
 249                    (srcFormat == GL_ABGR_EXT && srcType == GL_UNSIGNED_INT_8_8_8_8) ||
 250                    (srcFormat == GL_ABGR_EXT && srcType == GL_UNSIGNED_BYTE && !littleEndian)) {
 251                 return &_mesa_texformat_rgba8888_rev;
 252         } else if (srcFormat == GL_BGRA && ((srcType == GL_UNSIGNED_BYTE && !littleEndian) ||
 253                                             srcType == GL_UNSIGNED_INT_8_8_8_8)) {
 254                 return &_mesa_texformat_argb8888_rev;
 255         } else if (srcFormat == GL_BGRA && ((srcType == GL_UNSIGNED_BYTE && littleEndian) ||
 256                                             srcType == GL_UNSIGNED_INT_8_8_8_8_REV)) {
 257                 return &_mesa_texformat_argb8888;
 258         } else
 259                 return _dri_texformat_argb8888;
 260 }
 261
 262 const struct gl_texture_format *radeonChooseTextureFormat(GLcontext * ctx,
 263                                                           GLint internalFormat,
 264                                                           GLenum format,
 265                                                           GLenum type)
 266 {
 267         radeonContextPtr rmesa = RADEON_CONTEXT(ctx);
 268         const GLboolean do32bpt =
 269             (rmesa->texture_depth == DRI_CONF_TEXTURE_DEPTH_32);
 270         const GLboolean force16bpt =
 271             (rmesa->texture_depth == DRI_CONF_TEXTURE_DEPTH_FORCE_16);
 272         (void)format;
 273
 274 #if 0
 275         fprintf(stderr, "InternalFormat=%s(%d) type=%s format=%s\n",
 276                 _mesa_lookup_enum_by_nr(internalFormat), internalFormat,
 277                 _mesa_lookup_enum_by_nr(type), _mesa_lookup_enum_by_nr(format));
 278         fprintf(stderr, "do32bpt=%d force16bpt=%d\n", do32bpt, force16bpt);
 279 #endif
 280
 281         switch (internalFormat) {
 282         case 4:
 283         case GL_RGBA:
 284         case GL_COMPRESSED_RGBA:
 285                 switch (type) {
 286                 case GL_UNSIGNED_INT_10_10_10_2:
 287                 case GL_UNSIGNED_INT_2_10_10_10_REV:
 288                         return do32bpt ? _dri_texformat_argb8888 :
 289                             _dri_texformat_argb1555;
 290                 case GL_UNSIGNED_SHORT_4_4_4_4:
 291                 case GL_UNSIGNED_SHORT_4_4_4_4_REV:
 292                         return _dri_texformat_argb4444;
 293                 case GL_UNSIGNED_SHORT_5_5_5_1:
 294                 case GL_UNSIGNED_SHORT_1_5_5_5_REV:
 295                         return _dri_texformat_argb1555;
 296                 default:
 297                         return do32bpt ? radeonChoose8888TexFormat(rmesa, format, type) :
 298                             _dri_texformat_argb4444;
 299                 }
 300
 301         case 3:
 302         case GL_RGB:
 303         case GL_COMPRESSED_RGB:
 304                 switch (type) {
 305                 case GL_UNSIGNED_SHORT_4_4_4_4:
 306                 case GL_UNSIGNED_SHORT_4_4_4_4_REV:
 307                         return _dri_texformat_argb4444;
 308                 case GL_UNSIGNED_SHORT_5_5_5_1:
 309                 case GL_UNSIGNED_SHORT_1_5_5_5_REV:
 310                         return _dri_texformat_argb1555;
 311                 case GL_UNSIGNED_SHORT_5_6_5:
 312                 case GL_UNSIGNED_SHORT_5_6_5_REV:
 313                         return _dri_texformat_rgb565;
 314                 default:
 315                         return do32bpt ? _dri_texformat_argb8888 :
 316                             _dri_texformat_rgb565;
 317                 }
 318
 319         case GL_RGBA8:
 320         case GL_RGB10_A2:
 321         case GL_RGBA12:
 322         case GL_RGBA16:
 323                 return !force16bpt ?
 324                         radeonChoose8888TexFormat(rmesa, format,type) :
 325                         _dri_texformat_argb4444;
 326
 327         case GL_RGBA4:
 328         case GL_RGBA2:
 329                 return _dri_texformat_argb4444;
 330
 331         case GL_RGB5_A1:
 332                 return _dri_texformat_argb1555;
 333
 334         case GL_RGB8:
 335         case GL_RGB10:
 336         case GL_RGB12:
 337         case GL_RGB16:
 338                 return !force16bpt ? _dri_texformat_argb8888 :
 339                     _dri_texformat_rgb565;
 340
 341         case GL_RGB5:
 342         case GL_RGB4:
 343         case GL_R3_G3_B2:
 344                 return _dri_texformat_rgb565;
 345
 346         case GL_ALPHA:
 347         case GL_ALPHA4:
 348         case GL_ALPHA8:
 349         case GL_ALPHA12:
 350         case GL_ALPHA16:
 351         case GL_COMPRESSED_ALPHA:
 352                 return _dri_texformat_a8;
 353
 354         case 1:
 355         case GL_LUMINANCE:
 356         case GL_LUMINANCE4:
 357         case GL_LUMINANCE8:
 358         case GL_LUMINANCE12:
 359         case GL_LUMINANCE16:
 360         case GL_COMPRESSED_LUMINANCE:
 361                 return _dri_texformat_l8;
 362
 363         case 2:
 364         case GL_LUMINANCE_ALPHA:
 365         case GL_LUMINANCE4_ALPHA4:
 366         case GL_LUMINANCE6_ALPHA2:
 367         case GL_LUMINANCE8_ALPHA8:
 368         case GL_LUMINANCE12_ALPHA4:
 369         case GL_LUMINANCE12_ALPHA12:
 370         case GL_LUMINANCE16_ALPHA16:
 371         case GL_COMPRESSED_LUMINANCE_ALPHA:
 372                 return _dri_texformat_al88;
 373
 374         case GL_INTENSITY:
 375         case GL_INTENSITY4:
 376         case GL_INTENSITY8:
 377         case GL_INTENSITY12:
 378         case GL_INTENSITY16:
 379         case GL_COMPRESSED_INTENSITY:
 380                 return _dri_texformat_i8;
 381
 382         case GL_YCBCR_MESA:
 383                 if (type == GL_UNSIGNED_SHORT_8_8_APPLE ||
 384                     type == GL_UNSIGNED_BYTE)
 385                         return &_mesa_texformat_ycbcr;
 386                 else
 387                         return &_mesa_texformat_ycbcr_rev;
 388
 389         case GL_RGB_S3TC:
 390         case GL_RGB4_S3TC:
 391         case GL_COMPRESSED_RGB_S3TC_DXT1_EXT:
 392                 return &_mesa_texformat_rgb_dxt1;
 393
 394         case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT:
 395                 return &_mesa_texformat_rgba_dxt1;
 396
 397         case GL_RGBA_S3TC:
 398         case GL_RGBA4_S3TC:
 399         case GL_COMPRESSED_RGBA_S3TC_DXT3_EXT:
 400                 return &_mesa_texformat_rgba_dxt3;
 401
 402         case GL_COMPRESSED_RGBA_S3TC_DXT5_EXT:
 403                 return &_mesa_texformat_rgba_dxt5;
 404
 405         case GL_ALPHA16F_ARB:
 406                 return &_mesa_texformat_alpha_float16;
 407         case GL_ALPHA32F_ARB:
 408                 return &_mesa_texformat_alpha_float32;
 409         case GL_LUMINANCE16F_ARB:
 410                 return &_mesa_texformat_luminance_float16;
 411         case GL_LUMINANCE32F_ARB:
 412                 return &_mesa_texformat_luminance_float32;
 413         case GL_LUMINANCE_ALPHA16F_ARB:
 414                 return &_mesa_texformat_luminance_alpha_float16;
 415         case GL_LUMINANCE_ALPHA32F_ARB:
 416                 return &_mesa_texformat_luminance_alpha_float32;
 417         case GL_INTENSITY16F_ARB:
 418                 return &_mesa_texformat_intensity_float16;
 419         case GL_INTENSITY32F_ARB:
 420                 return &_mesa_texformat_intensity_float32;
 421         case GL_RGB16F_ARB:
 422                 return &_mesa_texformat_rgba_float16;
 423         case GL_RGB32F_ARB:
 424                 return &_mesa_texformat_rgba_float32;
 425         case GL_RGBA16F_ARB:
 426                 return &_mesa_texformat_rgba_float16;
 427         case GL_RGBA32F_ARB:
 428                 return &_mesa_texformat_rgba_float32;
 429
 430         case GL_DEPTH_COMPONENT:
 431         case GL_DEPTH_COMPONENT16:
 432         case GL_DEPTH_COMPONENT24:
 433         case GL_DEPTH_COMPONENT32:
 434 #if 0
 435                 switch (type) {
 436                 case GL_UNSIGNED_BYTE:
 437                 case GL_UNSIGNED_SHORT:
 438                         return &_mesa_texformat_z16;
 439                 case GL_UNSIGNED_INT:
 440                         return &_mesa_texformat_z32;
 441                 case GL_UNSIGNED_INT_24_8_EXT:
 442                 default:
 443                         return &_mesa_texformat_z24_s8;
 444                 }
 445 #else
 446                 return &_mesa_texformat_z16;
 447 #endif
 448
 449         default:
 450                 _mesa_problem(ctx,
 451                               "unexpected internalFormat 0x%x in r300ChooseTextureFormat",
 452                               (int)internalFormat);
 453                 return NULL;
 454         }
 455
 456         return NULL;            /* never get here */
 457 }
 458
 459 /**
 460  * All glTexImage calls go through this function.
 461  */
 462 static void radeon_teximage(
 463         GLcontext *ctx, int dims,
 464         GLint face, GLint level,
 465         GLint internalFormat,
 466         GLint width, GLint height, GLint depth,
 467         GLsizei imageSize,
 468         GLenum format, GLenum type, const GLvoid * pixels,
 469         const struct gl_pixelstore_attrib *packing,
 470         struct gl_texture_object *texObj,
 471         struct gl_texture_image *texImage,
 472         int compressed)
 473 {
 474         radeonContextPtr rmesa = RADEON_CONTEXT(ctx);
 475         radeonTexObj* t = radeon_tex_obj(texObj);
 476         radeon_texture_image* image = get_radeon_texture_image(texImage);
 477         GLuint dstRowStride;
 478         GLint postConvWidth = width;
 479         GLint postConvHeight = height;
 480         GLuint texelBytes;
 481
 482         radeon_firevertices(rmesa);
 483
 484         t->validated = GL_FALSE;
 485
 486         if (ctx->_ImageTransferState & IMAGE_CONVOLUTION_BIT) {
 487                _mesa_adjust_image_for_convolution(ctx, dims, &postConvWidth,
 488                                                   &postConvHeight);
 489         }
 490
 491         /* Choose and fill in the texture format for this image */
 492         texImage->TexFormat = radeonChooseTextureFormat(ctx, internalFormat, format, type);
 493         _mesa_set_fetch_functions(texImage, dims);
 494
 495         if (texImage->TexFormat->TexelBytes == 0) {
 496                 texelBytes = 0;
 497                 texImage->IsCompressed = GL_TRUE;
 498                 texImage->CompressedSize =
 499                         ctx->Driver.CompressedTextureSize(ctx, texImage->Width,
 500                                            texImage->Height, texImage->Depth,
 501                                            texImage->TexFormat->MesaFormat);
 502         } else {
 503                 texImage->IsCompressed = GL_FALSE;
 504                 texImage->CompressedSize = 0;
 505
 506                 texelBytes = texImage->TexFormat->TexelBytes;
 507                 /* Minimum pitch of 32 bytes */
 508                 if (postConvWidth * texelBytes < 32) {
 509                   postConvWidth = 32 / texelBytes;
 510                   texImage->RowStride = postConvWidth;
 511                 }
 512                 if (!image->mt) {
 513                         assert(texImage->RowStride == postConvWidth);
 514                 }
 515         }
 516
 517         /* Allocate memory for image */
 518         radeonFreeTexImageData(ctx, texImage); /* Mesa core only clears texImage->Data but not image->mt */
 519
 520         if (t->mt &&
 521             t->mt->firstLevel == level &&
 522             t->mt->lastLevel == level &&
 523             t->mt->target != GL_TEXTURE_CUBE_MAP_ARB &&
 524             !radeon_miptree_matches_image(t->mt, texImage, face, level)) {
 525           radeon_miptree_unreference(t->mt);
 526           t->mt = NULL;
 527         }
 528
 529         if (!t->mt)
 530                 radeon_try_alloc_miptree(rmesa, t, texImage, face, level);
 531         if (t->mt && radeon_miptree_matches_image(t->mt, texImage, face, level)) {
 532                 radeon_mipmap_level *lvl;
 533                 image->mt = t->mt;
 534                 image->mtlevel = level - t->mt->firstLevel;
 535                 image->mtface = face;
 536                 radeon_miptree_reference(t->mt);
 537                 lvl = &image->mt->levels[image->mtlevel];
 538                 dstRowStride = lvl->rowstride;
 539         } else {
 540                 int size;
 541                 if (texImage->IsCompressed) {
 542                         size = texImage->CompressedSize;
 543                 } else {
 544                         size = texImage->Width * texImage->Height * texImage->Depth * texImage->TexFormat->TexelBytes;
 545                 }
 546                 texImage->Data = _mesa_alloc_texmemory(size);
 547         }
 548
 549         /* Upload texture image; note that the spec allows pixels to be NULL */
 550         if (compressed) {
 551                 pixels = _mesa_validate_pbo_compressed_teximage(
 552                         ctx, imageSize, pixels, packing, "glCompressedTexImage");
 553         } else {
 554                 pixels = _mesa_validate_pbo_teximage(
 555                         ctx, dims, width, height, depth,
 556                         format, type, pixels, packing, "glTexImage");
 557         }
 558
 559         if (pixels) {
 560                 radeon_teximage_map(image, GL_TRUE);
 561
 562                 if (compressed) {
 563                         memcpy(texImage->Data, pixels, imageSize);
 564                 } else {
 565                         GLuint dstRowStride;
 566                         if (image->mt) {
 567                                 radeon_mipmap_level *lvl = &image->mt->levels[image->mtlevel];
 568                                 dstRowStride = lvl->rowstride;
 569                         } else {
 570                                 dstRowStride = texImage->Width * texImage->TexFormat->TexelBytes;
 571                         }
 572
 573                         if (!texImage->TexFormat->StoreImage(ctx, dims,
 574                                                 texImage->_BaseFormat,
 575                                                 texImage->TexFormat,
 576                                                 texImage->Data, 0, 0, 0, /* dstX/Y/Zoffset */
 577                                                 dstRowStride,
 578                                                 texImage->ImageOffsets,
 579                                                 width, height, depth,
 580                                                 format, type, pixels, packing))
 581                                 _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage");
 582                 }
 583
 584         }
 585
 586         /* SGIS_generate_mipmap */
 587         if (level == texObj->BaseLevel && texObj->GenerateMipmap) {
 588                 radeon_generate_mipmap(ctx, texObj->Target, texObj);
 589         }
 590
 591         _mesa_unmap_teximage_pbo(ctx, packing);
 592
 593         if (pixels)
 594           radeon_teximage_unmap(image);
 595
 596
 597 }
 598
 599 void radeonTexImage1D(GLcontext * ctx, GLenum target, GLint level,
 600                       GLint internalFormat,
 601                       GLint width, GLint border,
 602                       GLenum format, GLenum type, const GLvoid * pixels,
 603                       const struct gl_pixelstore_attrib *packing,
 604                       struct gl_texture_object *texObj,
 605                       struct gl_texture_image *texImage)
 606 {
 607         radeon_teximage(ctx, 1, 0, level, internalFormat, width, 1, 1,
 608                 0, format, type, pixels, packing, texObj, texImage, 0);
 609 }
 610
 611 void radeonTexImage2D(GLcontext * ctx, GLenum target, GLint level,
 612                            GLint internalFormat,
 613                            GLint width, GLint height, GLint border,
 614                            GLenum format, GLenum type, const GLvoid * pixels,
 615                            const struct gl_pixelstore_attrib *packing,
 616                            struct gl_texture_object *texObj,
 617                            struct gl_texture_image *texImage)
 618
 619 {
 620         GLuint face = radeon_face_for_target(target);
 621
 622         radeon_teximage(ctx, 2, face, level, internalFormat, width, height, 1,
 623                 0, format, type, pixels, packing, texObj, texImage, 0);
 624 }
 625
 626 void radeonCompressedTexImage2D(GLcontext * ctx, GLenum target,
 627                                      GLint level, GLint internalFormat,
 628                                      GLint width, GLint height, GLint border,
 629                                      GLsizei imageSize, const GLvoid * data,
 630                                      struct gl_texture_object *texObj,
 631                                      struct gl_texture_image *texImage)
 632 {
 633         GLuint face = radeon_face_for_target(target);
 634
 635         radeon_teximage(ctx, 2, face, level, internalFormat, width, height, 1,
 636                 imageSize, 0, 0, data, &ctx->Unpack, texObj, texImage, 1);
 637 }
 638
 639 void radeonTexImage3D(GLcontext * ctx, GLenum target, GLint level,
 640                       GLint internalFormat,
 641                       GLint width, GLint height, GLint depth,
 642                       GLint border,
 643                       GLenum format, GLenum type, const GLvoid * pixels,
 644                       const struct gl_pixelstore_attrib *packing,
 645                       struct gl_texture_object *texObj,
 646                       struct gl_texture_image *texImage)
 647 {
 648         radeon_teximage(ctx, 3, 0, level, internalFormat, width, height, depth,
 649                 0, format, type, pixels, packing, texObj, texImage, 0);
 650 }
 651
 652 /**
 653  * Update a subregion of the given texture image.
 654  */
 655 static void radeon_texsubimage(GLcontext* ctx, int dims, int level,
 656                 GLint xoffset, GLint yoffset, GLint zoffset,
 657                 GLsizei width, GLsizei height, GLsizei depth,
 658                 GLsizei imageSize,
 659                 GLenum format, GLenum type,
 660                 const GLvoid * pixels,
 661                 const struct gl_pixelstore_attrib *packing,
 662                 struct gl_texture_object *texObj,
 663                 struct gl_texture_image *texImage,
 664                 int compressed)
 665 {
 666         radeonContextPtr rmesa = RADEON_CONTEXT(ctx);
 667         radeonTexObj* t = radeon_tex_obj(texObj);
 668         radeon_texture_image* image = get_radeon_texture_image(texImage);
 669
 670         radeon_firevertices(rmesa);
 671
 672         t->validated = GL_FALSE;
 673         if (compressed) {
 674                 pixels = _mesa_validate_pbo_compressed_teximage(
 675                         ctx, imageSize, pixels, packing, "glCompressedTexImage");
 676         } else {
 677                 pixels = _mesa_validate_pbo_teximage(ctx, dims,
 678                         width, height, depth, format, type, pixels, packing, "glTexSubImage1D");
 679         }
 680
 681         if (pixels) {
 682                 GLint dstRowStride;
 683                 radeon_teximage_map(image, GL_TRUE);
 684
 685                 if (image->mt) {
 686                         radeon_mipmap_level *lvl = &image->mt->levels[image->mtlevel];
 687                         dstRowStride = lvl->rowstride;
 688                 } else {
 689                         dstRowStride = texImage->RowStride * texImage->TexFormat->TexelBytes;
 690                 }
 691
 692                 if (compressed) {
 693                         uint32_t srcRowStride, bytesPerRow, rows;
 694                         dstRowStride = _mesa_compressed_row_stride(texImage->TexFormat->MesaFormat, texImage->Width);
 695                         srcRowStride = _mesa_compressed_row_stride(texImage->TexFormat->MesaFormat, width);
 696                         bytesPerRow = srcRowStride;
 697                         rows = height / 4;
 698
 699                         copy_rows(texImage->Data, dstRowStride,  image->base.Data, srcRowStride, rows,
 700                                   bytesPerRow);
 701
 702                 } else {
 703                         if (!texImage->TexFormat->StoreImage(ctx, dims, texImage->_BaseFormat,
 704                                                              texImage->TexFormat, texImage->Data,
 705                                                              xoffset, yoffset, zoffset,
 706                                                              dstRowStride,
 707                                                              texImage->ImageOffsets,
 708                                                              width, height, depth,
 709                                                              format, type, pixels, packing))
 710                                 _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexSubImage");
 711                 }
 712
 713         }
 714
 715         /* GL_SGIS_generate_mipmap */
 716         if (level == texObj->BaseLevel && texObj->GenerateMipmap) {
 717                 radeon_generate_mipmap(ctx, texObj->Target, texObj);
 718         }
 719         radeon_teximage_unmap(image);
 720
 721         _mesa_unmap_teximage_pbo(ctx, packing);
 722
 723
 724 }
 725
 726 void radeonTexSubImage1D(GLcontext * ctx, GLenum target, GLint level,
 727                          GLint xoffset,
 728                          GLsizei width,
 729                          GLenum format, GLenum type,
 730                          const GLvoid * pixels,
 731                          const struct gl_pixelstore_attrib *packing,
 732                          struct gl_texture_object *texObj,
 733                          struct gl_texture_image *texImage)
 734 {
 735         radeon_texsubimage(ctx, 1, level, xoffset, 0, 0, width, 1, 1, 0,
 736                 format, type, pixels, packing, texObj, texImage, 0);
 737 }
 738
 739 void radeonTexSubImage2D(GLcontext * ctx, GLenum target, GLint level,
 740                          GLint xoffset, GLint yoffset,
 741                          GLsizei width, GLsizei height,
 742                          GLenum format, GLenum type,
 743                          const GLvoid * pixels,
 744                          const struct gl_pixelstore_attrib *packing,
 745                          struct gl_texture_object *texObj,
 746                          struct gl_texture_image *texImage)
 747 {
 748         radeon_texsubimage(ctx, 2, level, xoffset, yoffset, 0, width, height, 1,
 749                            0, format, type, pixels, packing, texObj, texImage,
 750                            0);
 751 }
 752
 753 void radeonCompressedTexSubImage2D(GLcontext * ctx, GLenum target,
 754                                    GLint level, GLint xoffset,
 755                                    GLint yoffset, GLsizei width,
 756                                    GLsizei height, GLenum format,
 757                                    GLsizei imageSize, const GLvoid * data,
 758                                    struct gl_texture_object *texObj,
 759                                    struct gl_texture_image *texImage)
 760 {
 761         radeon_texsubimage(ctx, 2, level, xoffset, yoffset, 0, width, height, 1,
 762                 imageSize, format, 0, data, &ctx->Unpack, texObj, texImage, 1);
 763 }
 764
 765
 766 void radeonTexSubImage3D(GLcontext * ctx, GLenum target, GLint level,
 767                          GLint xoffset, GLint yoffset, GLint zoffset,
 768                          GLsizei width, GLsizei height, GLsizei depth,
 769                          GLenum format, GLenum type,
 770                          const GLvoid * pixels,
 771                          const struct gl_pixelstore_attrib *packing,
 772                          struct gl_texture_object *texObj,
 773                          struct gl_texture_image *texImage)
 774 {
 775         radeon_texsubimage(ctx, 3, level, xoffset, yoffset, zoffset, width, height, depth, 0,
 776                 format, type, pixels, packing, texObj, texImage, 0);
 777 }
 778
 779
 780
 781 /**
 782  * Ensure that the given image is stored in the given miptree from now on.
 783  */
 784 static void migrate_image_to_miptree(radeon_mipmap_tree *mt, radeon_texture_image *image, int face, int level)
 785 {
 786         radeon_mipmap_level *dstlvl = &mt->levels[level - mt->firstLevel];
 787         unsigned char *dest;
 788
 789         assert(image->mt != mt);
 790         assert(dstlvl->width == image->base.Width);
 791         assert(dstlvl->height == image->base.Height);
 792         assert(dstlvl->depth == image->base.Depth);
 793
 794
 795         radeon_bo_map(mt->bo, GL_TRUE);
 796         dest = mt->bo->ptr + dstlvl->faces[face].offset;
 797
 798         if (image->mt) {
 799                 /* Format etc. should match, so we really just need a memcpy().
 800                  * In fact, that memcpy() could be done by the hardware in many
 801                  * cases, provided that we have a proper memory manager.
 802                  */
 803                 radeon_mipmap_level *srclvl = &image->mt->levels[image->mtlevel];
 804
 805                 assert(srclvl->size == dstlvl->size);
 806                 assert(srclvl->rowstride == dstlvl->rowstride);
 807
 808                 radeon_bo_map(image->mt->bo, GL_FALSE);
 809
 810                 memcpy(dest,
 811                         image->mt->bo->ptr + srclvl->faces[face].offset,
 812                         dstlvl->size);
 813                 radeon_bo_unmap(image->mt->bo);
 814
 815                 radeon_miptree_unreference(image->mt);
 816         } else {
 817                 uint32_t srcrowstride;
 818                 uint32_t height;
 819                 /* need to confirm this value is correct */
 820                 if (mt->compressed) {
 821                         height = image->base.Height / 4;
 822                         srcrowstride = image->base.RowStride * mt->bpp;
 823                 } else {
 824                         height = image->base.Height * image->base.Depth;
 825                         srcrowstride = image->base.Width * image->base.TexFormat->TexelBytes;
 826                 }
 827
 828 //              if (mt->tilebits)
 829 //                      WARN_ONCE("%s: tiling not supported yet", __FUNCTION__);
 830
 831                 copy_rows(dest, dstlvl->rowstride, image->base.Data, srcrowstride,
 832                           height, srcrowstride);
 833
 834                 _mesa_free_texmemory(image->base.Data);
 835                 image->base.Data = 0;
 836         }
 837
 838         radeon_bo_unmap(mt->bo);
 839
 840         image->mt = mt;
 841         image->mtface = face;
 842         image->mtlevel = level;
 843         radeon_miptree_reference(image->mt);
 844 }
 845
 846 int radeon_validate_texture_miptree(GLcontext * ctx, struct gl_texture_object *texObj)
 847 {
 848         radeonContextPtr rmesa = RADEON_CONTEXT(ctx);
 849         radeonTexObj *t = radeon_tex_obj(texObj);
 850         radeon_texture_image *baseimage = get_radeon_texture_image(texObj->Image[0][texObj->BaseLevel]);
 851         int face, level;
 852
 853         if (t->validated || t->image_override)
 854                 return GL_TRUE;
 855
 856         if (RADEON_DEBUG & DEBUG_TEXTURE)
 857                 fprintf(stderr, "%s: Validating texture %p now\n", __FUNCTION__, texObj);
 858
 859         if (baseimage->base.Border > 0)
 860                 return GL_FALSE;
 861
 862         /* Ensure a matching miptree exists.
 863          *
 864          * Differing mipmap trees can result when the app uses TexImage to
 865          * change texture dimensions.
 866          *
 867          * Prefer to use base image's miptree if it
 868          * exists, since that most likely contains more valid data (remember
 869          * that the base level is usually significantly larger than the rest
 870          * of the miptree, so cubemaps are the only possible exception).
 871          */
 872         if (baseimage->mt &&
 873             baseimage->mt != t->mt &&
 874             radeon_miptree_matches_texture(baseimage->mt, &t->base)) {
 875                 radeon_miptree_unreference(t->mt);
 876                 t->mt = baseimage->mt;
 877                 radeon_miptree_reference(t->mt);
 878         } else if (t->mt && !radeon_miptree_matches_texture(t->mt, &t->base)) {
 879                 radeon_miptree_unreference(t->mt);
 880                 t->mt = 0;
 881         }
 882
 883         if (!t->mt) {
 884                 if (RADEON_DEBUG & DEBUG_TEXTURE)
 885                         fprintf(stderr, " Allocate new miptree\n");
 886                 radeon_try_alloc_miptree(rmesa, t, &baseimage->base, 0, texObj->BaseLevel);
 887                 if (!t->mt) {
 888                         _mesa_problem(ctx, "r300_validate_texture failed to alloc miptree");
 889                         return GL_FALSE;
 890                 }
 891         }
 892
 893         /* Ensure all images are stored in the single main miptree */
 894         for(face = 0; face < t->mt->faces; ++face) {
 895                 for(level = t->mt->firstLevel; level <= t->mt->lastLevel; ++level) {
 896                         radeon_texture_image *image = get_radeon_texture_image(texObj->Image[face][level]);
 897                         if (RADEON_DEBUG & DEBUG_TEXTURE)
 898                                 fprintf(stderr, " face %i, level %i... %p vs %p ", face, level, t->mt, image->mt);
 899                         if (t->mt == image->mt) {
 900                                 if (RADEON_DEBUG & DEBUG_TEXTURE)
 901                                         fprintf(stderr, "OK\n");
 902                                 continue;
 903                         }
 904
 905                         if (RADEON_DEBUG & DEBUG_TEXTURE)
 906                                 fprintf(stderr, "migrating\n");
 907                         migrate_image_to_miptree(t->mt, image, face, level);
 908                 }
 909         }
 910
 911         return GL_TRUE;
 912 }
 913
 914
 915 /**
 916  * Need to map texture image into memory before copying image data,
 917  * then unmap it.
 918  */
 919 static void
 920 radeon_get_tex_image(GLcontext * ctx, GLenum target, GLint level,
 921                      GLenum format, GLenum type, GLvoid * pixels,
 922                      struct gl_texture_object *texObj,
 923                      struct gl_texture_image *texImage, int compressed)
 924 {
 925         radeon_texture_image *image = get_radeon_texture_image(texImage);
 926
 927         if (image->mt) {
 928                 /* Map the texture image read-only */
 929                 radeon_teximage_map(image, GL_FALSE);
 930         } else {
 931                 /* Image hasn't been uploaded to a miptree yet */
 932                 assert(image->base.Data);
 933         }
 934
 935         if (compressed) {
 936                 _mesa_get_compressed_teximage(ctx, target, level, pixels,
 937                                               texObj, texImage);
 938         } else {
 939                 _mesa_get_teximage(ctx, target, level, format, type, pixels,
 940                                    texObj, texImage);
 941         }
 942
 943         if (image->mt) {
 944                 radeon_teximage_unmap(image);
 945         }
 946 }
 947
 948 void
 949 radeonGetTexImage(GLcontext * ctx, GLenum target, GLint level,
 950                   GLenum format, GLenum type, GLvoid * pixels,
 951                   struct gl_texture_object *texObj,
 952                   struct gl_texture_image *texImage)
 953 {
 954         radeon_get_tex_image(ctx, target, level, format, type, pixels,
 955                              texObj, texImage, 0);
 956 }
 957
 958 void
 959 radeonGetCompressedTexImage(GLcontext *ctx, GLenum target, GLint level,
 960                             GLvoid *pixels,
 961                             struct gl_texture_object *texObj,
 962                             struct gl_texture_image *texImage)
 963 {
 964         radeon_get_tex_image(ctx, target, level, 0, 0, pixels,
 965                              texObj, texImage, 1);
 966 }