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 #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 static 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                 image->mt = 0;
  87                 assert(!image->base.Data);
  88         } else {
  89                 _mesa_free_texture_image_data(ctx, timage);
  90         }
  91         if (image->bo) {
  92                 radeon_bo_unref(image->bo);
  93                 image->bo = NULL;
  94         }
  95         if (timage->Data) {
  96                 _mesa_free_texmemory(timage->Data);
  97                 timage->Data = NULL;
  98         }
  99 }
 100
 101 /* Set Data pointer and additional data for mapped texture image */
 102 static void teximage_set_map_data(radeon_texture_image *image)
 103 {
 104         radeon_mipmap_level *lvl = &image->mt->levels[image->mtlevel];
 105
 106         image->base.Data = image->mt->bo->ptr + lvl->faces[image->mtface].offset;
 107         image->base.RowStride = lvl->rowstride / image->mt->bpp;
 108 }
 109
 110
 111 /**
 112  * Map a single texture image for glTexImage and friends.
 113  */
 114 void radeon_teximage_map(radeon_texture_image *image, GLboolean write_enable)
 115 {
 116         if (image->mt) {
 117                 assert(!image->base.Data);
 118
 119                 radeon_bo_map(image->mt->bo, write_enable);
 120                 teximage_set_map_data(image);
 121         }
 122 }
 123
 124
 125 void radeon_teximage_unmap(radeon_texture_image *image)
 126 {
 127         if (image->mt) {
 128                 assert(image->base.Data);
 129
 130                 image->base.Data = 0;
 131                 radeon_bo_unmap(image->mt->bo);
 132         }
 133 }
 134
 135 static void map_override(GLcontext *ctx, radeonTexObj *t)
 136 {
 137         radeon_texture_image *img = get_radeon_texture_image(t->base.Image[0][0]);
 138
 139         radeon_bo_map(t->bo, GL_FALSE);
 140
 141         img->base.Data = t->bo->ptr;
 142         _mesa_set_fetch_functions(&img->base, 2);
 143 }
 144
 145 static void unmap_override(GLcontext *ctx, radeonTexObj *t)
 146 {
 147         radeon_texture_image *img = get_radeon_texture_image(t->base.Image[0][0]);
 148
 149         radeon_bo_unmap(t->bo);
 150
 151         img->base.Data = NULL;
 152 }
 153
 154 /**
 155  * Map a validated texture for reading during software rendering.
 156  */
 157 void radeonMapTexture(GLcontext *ctx, struct gl_texture_object *texObj)
 158 {
 159         radeonTexObj* t = radeon_tex_obj(texObj);
 160         int face, level;
 161
 162         if (!radeon_validate_texture_miptree(ctx, texObj))
 163           return;
 164
 165         /* for r100 3D sw fallbacks don't have mt */
 166         if (t->image_override && t->bo)
 167                 map_override(ctx, t);
 168
 169         if (!t->mt)
 170                 return;
 171
 172         radeon_bo_map(t->mt->bo, GL_FALSE);
 173         for(face = 0; face < t->mt->faces; ++face) {
 174                 for(level = t->mt->firstLevel; level <= t->mt->lastLevel; ++level)
 175                         teximage_set_map_data(get_radeon_texture_image(texObj->Image[face][level]));
 176         }
 177 }
 178
 179 void radeonUnmapTexture(GLcontext *ctx, struct gl_texture_object *texObj)
 180 {
 181         radeonTexObj* t = radeon_tex_obj(texObj);
 182         int face, level;
 183
 184         if (t->image_override && t->bo)
 185                 unmap_override(ctx, t);
 186         /* for r100 3D sw fallbacks don't have mt */
 187         if (!t->mt)
 188           return;
 189
 190         for(face = 0; face < t->mt->faces; ++face) {
 191                 for(level = t->mt->firstLevel; level <= t->mt->lastLevel; ++level)
 192                         texObj->Image[face][level]->Data = 0;
 193         }
 194         radeon_bo_unmap(t->mt->bo);
 195 }
 196
 197 GLuint radeon_face_for_target(GLenum target)
 198 {
 199         switch (target) {
 200         case GL_TEXTURE_CUBE_MAP_POSITIVE_X:
 201         case GL_TEXTURE_CUBE_MAP_NEGATIVE_X:
 202         case GL_TEXTURE_CUBE_MAP_POSITIVE_Y:
 203         case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y:
 204         case GL_TEXTURE_CUBE_MAP_POSITIVE_Z:
 205         case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z:
 206                 return (GLuint) target - (GLuint) GL_TEXTURE_CUBE_MAP_POSITIVE_X;
 207         default:
 208                 return 0;
 209         }
 210 }
 211
 212 /**
 213  * Wraps Mesa's implementation to ensure that the base level image is mapped.
 214  *
 215  * This relies on internal details of _mesa_generate_mipmap, in particular
 216  * the fact that the memory for recreated texture images is always freed.
 217  */
 218 static void radeon_generate_mipmap(GLcontext *ctx, GLenum target,
 219                                    struct gl_texture_object *texObj)
 220 {
 221         radeonTexObj* t = radeon_tex_obj(texObj);
 222         GLuint nr_faces = (t->base.Target == GL_TEXTURE_CUBE_MAP) ? 6 : 1;
 223         int i, face;
 224
 225
 226         _mesa_generate_mipmap(ctx, target, texObj);
 227
 228         for (face = 0; face < nr_faces; face++) {
 229                 for (i = texObj->BaseLevel + 1; i < texObj->MaxLevel; i++) {
 230                         radeon_texture_image *image;
 231
 232                         image = get_radeon_texture_image(texObj->Image[face][i]);
 233
 234                         if (image == NULL)
 235                                 break;
 236
 237                         image->mtlevel = i;
 238                         image->mtface = face;
 239
 240                         radeon_miptree_unreference(image->mt);
 241                         image->mt = NULL;
 242                 }
 243         }
 244
 245 }
 246
 247 void radeonGenerateMipmap(GLcontext* ctx, GLenum target, struct gl_texture_object *texObj)
 248 {
 249         GLuint face = radeon_face_for_target(target);
 250         radeon_texture_image *baseimage = get_radeon_texture_image(texObj->Image[face][texObj->BaseLevel]);
 251
 252         radeon_teximage_map(baseimage, GL_FALSE);
 253         radeon_generate_mipmap(ctx, target, texObj);
 254         radeon_teximage_unmap(baseimage);
 255 }
 256
 257
 258 /* try to find a format which will only need a memcopy */
 259 static const struct gl_texture_format *radeonChoose8888TexFormat(radeonContextPtr rmesa,
 260                                                                  GLenum srcFormat,
 261                                                                  GLenum srcType, GLboolean fbo)
 262 {
 263         const GLuint ui = 1;
 264         const GLubyte littleEndian = *((const GLubyte *)&ui);
 265
 266         /* r100 can only do this */
 267         if (IS_R100_CLASS(rmesa->radeonScreen) || fbo)
 268           return _dri_texformat_argb8888;
 269
 270         if ((srcFormat == GL_RGBA && srcType == GL_UNSIGNED_INT_8_8_8_8) ||
 271             (srcFormat == GL_RGBA && srcType == GL_UNSIGNED_BYTE && !littleEndian) ||
 272             (srcFormat == GL_ABGR_EXT && srcType == GL_UNSIGNED_INT_8_8_8_8_REV) ||
 273             (srcFormat == GL_ABGR_EXT && srcType == GL_UNSIGNED_BYTE && littleEndian)) {
 274                 return &_mesa_texformat_rgba8888;
 275         } else if ((srcFormat == GL_RGBA && srcType == GL_UNSIGNED_INT_8_8_8_8_REV) ||
 276                    (srcFormat == GL_RGBA && srcType == GL_UNSIGNED_BYTE && littleEndian) ||
 277                    (srcFormat == GL_ABGR_EXT && srcType == GL_UNSIGNED_INT_8_8_8_8) ||
 278                    (srcFormat == GL_ABGR_EXT && srcType == GL_UNSIGNED_BYTE && !littleEndian)) {
 279                 return &_mesa_texformat_rgba8888_rev;
 280         } else if (IS_R200_CLASS(rmesa->radeonScreen)) {
 281                 return _dri_texformat_argb8888;
 282         } else if (srcFormat == GL_BGRA && ((srcType == GL_UNSIGNED_BYTE && !littleEndian) ||
 283                                             srcType == GL_UNSIGNED_INT_8_8_8_8)) {
 284                 return &_mesa_texformat_argb8888_rev;
 285         } else if (srcFormat == GL_BGRA && ((srcType == GL_UNSIGNED_BYTE && littleEndian) ||
 286                                             srcType == GL_UNSIGNED_INT_8_8_8_8_REV)) {
 287                 return &_mesa_texformat_argb8888;
 288         } else
 289                 return _dri_texformat_argb8888;
 290 }
 291
 292 const struct gl_texture_format *radeonChooseTextureFormat_mesa(GLcontext * ctx,
 293                                                           GLint internalFormat,
 294                                                           GLenum format,
 295                                                           GLenum type)
 296 {
 297         return radeonChooseTextureFormat(ctx, internalFormat, format,
 298                                          type, 0);
 299 }
 300
 301 const struct gl_texture_format *radeonChooseTextureFormat(GLcontext * ctx,
 302                                                           GLint internalFormat,
 303                                                           GLenum format,
 304                                                           GLenum type, GLboolean fbo)
 305 {
 306         radeonContextPtr rmesa = RADEON_CONTEXT(ctx);
 307         const GLboolean do32bpt =
 308             (rmesa->texture_depth == DRI_CONF_TEXTURE_DEPTH_32);
 309         const GLboolean force16bpt =
 310             (rmesa->texture_depth == DRI_CONF_TEXTURE_DEPTH_FORCE_16);
 311         (void)format;
 312
 313 #if 0
 314         fprintf(stderr, "InternalFormat=%s(%d) type=%s format=%s\n",
 315                 _mesa_lookup_enum_by_nr(internalFormat), internalFormat,
 316                 _mesa_lookup_enum_by_nr(type), _mesa_lookup_enum_by_nr(format));
 317         fprintf(stderr, "do32bpt=%d force16bpt=%d\n", do32bpt, force16bpt);
 318 #endif
 319
 320         switch (internalFormat) {
 321         case 4:
 322         case GL_RGBA:
 323         case GL_COMPRESSED_RGBA:
 324                 switch (type) {
 325                 case GL_UNSIGNED_INT_10_10_10_2:
 326                 case GL_UNSIGNED_INT_2_10_10_10_REV:
 327                         return do32bpt ? _dri_texformat_argb8888 :
 328                             _dri_texformat_argb1555;
 329                 case GL_UNSIGNED_SHORT_4_4_4_4:
 330                 case GL_UNSIGNED_SHORT_4_4_4_4_REV:
 331                         return _dri_texformat_argb4444;
 332                 case GL_UNSIGNED_SHORT_5_5_5_1:
 333                 case GL_UNSIGNED_SHORT_1_5_5_5_REV:
 334                         return _dri_texformat_argb1555;
 335                 default:
 336                         return do32bpt ? radeonChoose8888TexFormat(rmesa, format, type, fbo) :
 337                             _dri_texformat_argb4444;
 338                 }
 339
 340         case 3:
 341         case GL_RGB:
 342         case GL_COMPRESSED_RGB:
 343                 switch (type) {
 344                 case GL_UNSIGNED_SHORT_4_4_4_4:
 345                 case GL_UNSIGNED_SHORT_4_4_4_4_REV:
 346                         return _dri_texformat_argb4444;
 347                 case GL_UNSIGNED_SHORT_5_5_5_1:
 348                 case GL_UNSIGNED_SHORT_1_5_5_5_REV:
 349                         return _dri_texformat_argb1555;
 350                 case GL_UNSIGNED_SHORT_5_6_5:
 351                 case GL_UNSIGNED_SHORT_5_6_5_REV:
 352                         return _dri_texformat_rgb565;
 353                 default:
 354                         return do32bpt ? _dri_texformat_argb8888 :
 355                             _dri_texformat_rgb565;
 356                 }
 357
 358         case GL_RGBA8:
 359         case GL_RGB10_A2:
 360         case GL_RGBA12:
 361         case GL_RGBA16:
 362                 return !force16bpt ?
 363                         radeonChoose8888TexFormat(rmesa, format, type, fbo) :
 364                         _dri_texformat_argb4444;
 365
 366         case GL_RGBA4:
 367         case GL_RGBA2:
 368                 return _dri_texformat_argb4444;
 369
 370         case GL_RGB5_A1:
 371                 return _dri_texformat_argb1555;
 372
 373         case GL_RGB8:
 374         case GL_RGB10:
 375         case GL_RGB12:
 376         case GL_RGB16:
 377                 return !force16bpt ? _dri_texformat_argb8888 :
 378                     _dri_texformat_rgb565;
 379
 380         case GL_RGB5:
 381         case GL_RGB4:
 382         case GL_R3_G3_B2:
 383                 return _dri_texformat_rgb565;
 384
 385         case GL_ALPHA:
 386         case GL_ALPHA4:
 387         case GL_ALPHA8:
 388         case GL_ALPHA12:
 389         case GL_ALPHA16:
 390         case GL_COMPRESSED_ALPHA:
 391                 /* r200: can't use a8 format since interpreting hw I8 as a8 would result
 392                    in wrong rgb values (same as alpha value instead of 0). */
 393                 if (IS_R200_CLASS(rmesa->radeonScreen))
 394                         return _dri_texformat_al88;
 395                 else
 396                         return _dri_texformat_a8;
 397         case 1:
 398         case GL_LUMINANCE:
 399         case GL_LUMINANCE4:
 400         case GL_LUMINANCE8:
 401         case GL_LUMINANCE12:
 402         case GL_LUMINANCE16:
 403         case GL_COMPRESSED_LUMINANCE:
 404                 return _dri_texformat_l8;
 405
 406         case 2:
 407         case GL_LUMINANCE_ALPHA:
 408         case GL_LUMINANCE4_ALPHA4:
 409         case GL_LUMINANCE6_ALPHA2:
 410         case GL_LUMINANCE8_ALPHA8:
 411         case GL_LUMINANCE12_ALPHA4:
 412         case GL_LUMINANCE12_ALPHA12:
 413         case GL_LUMINANCE16_ALPHA16:
 414         case GL_COMPRESSED_LUMINANCE_ALPHA:
 415                 return _dri_texformat_al88;
 416
 417         case GL_INTENSITY:
 418         case GL_INTENSITY4:
 419         case GL_INTENSITY8:
 420         case GL_INTENSITY12:
 421         case GL_INTENSITY16:
 422         case GL_COMPRESSED_INTENSITY:
 423                 return _dri_texformat_i8;
 424
 425         case GL_YCBCR_MESA:
 426                 if (type == GL_UNSIGNED_SHORT_8_8_APPLE ||
 427                     type == GL_UNSIGNED_BYTE)
 428                         return &_mesa_texformat_ycbcr;
 429                 else
 430                         return &_mesa_texformat_ycbcr_rev;
 431
 432         case GL_RGB_S3TC:
 433         case GL_RGB4_S3TC:
 434         case GL_COMPRESSED_RGB_S3TC_DXT1_EXT:
 435                 return &_mesa_texformat_rgb_dxt1;
 436
 437         case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT:
 438                 return &_mesa_texformat_rgba_dxt1;
 439
 440         case GL_RGBA_S3TC:
 441         case GL_RGBA4_S3TC:
 442         case GL_COMPRESSED_RGBA_S3TC_DXT3_EXT:
 443                 return &_mesa_texformat_rgba_dxt3;
 444
 445         case GL_COMPRESSED_RGBA_S3TC_DXT5_EXT:
 446                 return &_mesa_texformat_rgba_dxt5;
 447
 448         case GL_ALPHA16F_ARB:
 449                 return &_mesa_texformat_alpha_float16;
 450         case GL_ALPHA32F_ARB:
 451                 return &_mesa_texformat_alpha_float32;
 452         case GL_LUMINANCE16F_ARB:
 453                 return &_mesa_texformat_luminance_float16;
 454         case GL_LUMINANCE32F_ARB:
 455                 return &_mesa_texformat_luminance_float32;
 456         case GL_LUMINANCE_ALPHA16F_ARB:
 457                 return &_mesa_texformat_luminance_alpha_float16;
 458         case GL_LUMINANCE_ALPHA32F_ARB:
 459                 return &_mesa_texformat_luminance_alpha_float32;
 460         case GL_INTENSITY16F_ARB:
 461                 return &_mesa_texformat_intensity_float16;
 462         case GL_INTENSITY32F_ARB:
 463                 return &_mesa_texformat_intensity_float32;
 464         case GL_RGB16F_ARB:
 465                 return &_mesa_texformat_rgba_float16;
 466         case GL_RGB32F_ARB:
 467                 return &_mesa_texformat_rgba_float32;
 468         case GL_RGBA16F_ARB:
 469                 return &_mesa_texformat_rgba_float16;
 470         case GL_RGBA32F_ARB:
 471                 return &_mesa_texformat_rgba_float32;
 472
 473         case GL_DEPTH_COMPONENT:
 474         case GL_DEPTH_COMPONENT16:
 475         case GL_DEPTH_COMPONENT24:
 476         case GL_DEPTH_COMPONENT32:
 477         case GL_DEPTH_STENCIL_EXT:
 478         case GL_DEPTH24_STENCIL8_EXT:
 479                 return &_mesa_texformat_s8_z24;
 480
 481         /* EXT_texture_sRGB */
 482         case GL_SRGB:
 483         case GL_SRGB8:
 484         case GL_SRGB_ALPHA:
 485         case GL_SRGB8_ALPHA8:
 486         case GL_COMPRESSED_SRGB:
 487         case GL_COMPRESSED_SRGB_ALPHA:
 488                 return &_mesa_texformat_srgba8;
 489
 490         case GL_SLUMINANCE:
 491         case GL_SLUMINANCE8:
 492         case GL_COMPRESSED_SLUMINANCE:
 493                 return &_mesa_texformat_sl8;
 494
 495         case GL_SLUMINANCE_ALPHA:
 496         case GL_SLUMINANCE8_ALPHA8:
 497         case GL_COMPRESSED_SLUMINANCE_ALPHA:
 498                 return &_mesa_texformat_sla8;
 499
 500         default:
 501                 _mesa_problem(ctx,
 502                               "unexpected internalFormat 0x%x in %s",
 503                               (int)internalFormat, __func__);
 504                 return NULL;
 505         }
 506
 507         return NULL;            /* never get here */
 508 }
 509
 510 /**
 511  * All glTexImage calls go through this function.
 512  */
 513 static void radeon_teximage(
 514         GLcontext *ctx, int dims,
 515         GLenum target, GLint level,
 516         GLint internalFormat,
 517         GLint width, GLint height, GLint depth,
 518         GLsizei imageSize,
 519         GLenum format, GLenum type, const GLvoid * pixels,
 520         const struct gl_pixelstore_attrib *packing,
 521         struct gl_texture_object *texObj,
 522         struct gl_texture_image *texImage,
 523         int compressed)
 524 {
 525         radeonContextPtr rmesa = RADEON_CONTEXT(ctx);
 526         radeonTexObj* t = radeon_tex_obj(texObj);
 527         radeon_texture_image* image = get_radeon_texture_image(texImage);
 528         GLuint dstRowStride;
 529         GLint postConvWidth = width;
 530         GLint postConvHeight = height;
 531         GLuint texelBytes;
 532         GLuint face = radeon_face_for_target(target);
 533
 534         radeon_firevertices(rmesa);
 535
 536         t->validated = GL_FALSE;
 537
 538         if (ctx->_ImageTransferState & IMAGE_CONVOLUTION_BIT) {
 539                _mesa_adjust_image_for_convolution(ctx, dims, &postConvWidth,
 540                                                   &postConvHeight);
 541         }
 542
 543         /* Choose and fill in the texture format for this image */
 544         texImage->TexFormat = radeonChooseTextureFormat(ctx, internalFormat, format, type, 0);
 545         _mesa_set_fetch_functions(texImage, dims);
 546
 547         if (texImage->TexFormat->TexelBytes == 0) {
 548                 texelBytes = 0;
 549                 texImage->IsCompressed = GL_TRUE;
 550                 texImage->CompressedSize =
 551                         ctx->Driver.CompressedTextureSize(ctx, texImage->Width,
 552                                            texImage->Height, texImage->Depth,
 553                                            texImage->TexFormat->MesaFormat);
 554         } else {
 555                 texImage->IsCompressed = GL_FALSE;
 556                 texImage->CompressedSize = 0;
 557
 558                 texelBytes = texImage->TexFormat->TexelBytes;
 559                 /* Minimum pitch of 32 bytes */
 560                 if (postConvWidth * texelBytes < 32) {
 561                   postConvWidth = 32 / texelBytes;
 562                   texImage->RowStride = postConvWidth;
 563                 }
 564                 if (!image->mt) {
 565                         assert(texImage->RowStride == postConvWidth);
 566                 }
 567         }
 568
 569         /* Allocate memory for image */
 570         radeonFreeTexImageData(ctx, texImage); /* Mesa core only clears texImage->Data but not image->mt */
 571
 572         if (t->mt &&
 573             t->mt->firstLevel == level &&
 574             t->mt->lastLevel == level &&
 575             t->mt->target != GL_TEXTURE_CUBE_MAP_ARB &&
 576             !radeon_miptree_matches_image(t->mt, texImage, face, level)) {
 577           radeon_miptree_unreference(t->mt);
 578           t->mt = NULL;
 579         }
 580
 581         if (!t->mt)
 582                 radeon_try_alloc_miptree(rmesa, t, texImage, face, level);
 583         if (t->mt && radeon_miptree_matches_image(t->mt, texImage, face, level)) {
 584                 radeon_mipmap_level *lvl;
 585                 image->mt = t->mt;
 586                 image->mtlevel = level - t->mt->firstLevel;
 587                 image->mtface = face;
 588                 radeon_miptree_reference(t->mt);
 589                 lvl = &image->mt->levels[image->mtlevel];
 590                 dstRowStride = lvl->rowstride;
 591         } else {
 592                 int size;
 593                 if (texImage->IsCompressed) {
 594                         size = texImage->CompressedSize;
 595                 } else {
 596                         size = texImage->Width * texImage->Height * texImage->Depth * texImage->TexFormat->TexelBytes;
 597                 }
 598                 texImage->Data = _mesa_alloc_texmemory(size);
 599         }
 600
 601         /* Upload texture image; note that the spec allows pixels to be NULL */
 602         if (compressed) {
 603                 pixels = _mesa_validate_pbo_compressed_teximage(
 604                         ctx, imageSize, pixels, packing, "glCompressedTexImage");
 605         } else {
 606                 pixels = _mesa_validate_pbo_teximage(
 607                         ctx, dims, width, height, depth,
 608                         format, type, pixels, packing, "glTexImage");
 609         }
 610
 611         if (pixels) {
 612                 radeon_teximage_map(image, GL_TRUE);
 613
 614                 if (compressed) {
 615                         memcpy(texImage->Data, pixels, imageSize);
 616                 } else {
 617                         GLuint dstRowStride;
 618                         GLuint *dstImageOffsets;
 619
 620                         if (image->mt) {
 621                                 radeon_mipmap_level *lvl = &image->mt->levels[image->mtlevel];
 622                                 dstRowStride = lvl->rowstride;
 623                         } else {
 624                                 dstRowStride = texImage->Width * texImage->TexFormat->TexelBytes;
 625                         }
 626
 627                         if (dims == 3) {
 628                                 int i;
 629
 630                                 dstImageOffsets = _mesa_malloc(depth * sizeof(GLuint)) ;
 631                                 if (!dstImageOffsets)
 632                                         _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage");
 633
 634                                 for (i = 0; i < depth; ++i) {
 635                                         dstImageOffsets[i] = dstRowStride/texImage->TexFormat->TexelBytes * height * i;
 636                                 }
 637                         } else {
 638                                 dstImageOffsets = texImage->ImageOffsets;
 639                         }
 640
 641                         if (!texImage->TexFormat->StoreImage(ctx, dims,
 642                                                 texImage->_BaseFormat,
 643                                                 texImage->TexFormat,
 644                                                 texImage->Data, 0, 0, 0, /* dstX/Y/Zoffset */
 645                                                 dstRowStride,
 646                                                 dstImageOffsets,
 647                                                 width, height, depth,
 648                                                 format, type, pixels, packing))
 649                                 _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage");
 650
 651                         if (dims == 3)
 652                                 _mesa_free(dstImageOffsets);
 653                 }
 654
 655                 /* SGIS_generate_mipmap */
 656                 if (level == texObj->BaseLevel && texObj->GenerateMipmap) {
 657                         radeon_generate_mipmap(ctx, target, texObj);
 658                 }
 659         }
 660
 661         _mesa_unmap_teximage_pbo(ctx, packing);
 662
 663         if (pixels)
 664           radeon_teximage_unmap(image);
 665
 666
 667 }
 668
 669 void radeonTexImage1D(GLcontext * ctx, GLenum target, GLint level,
 670                       GLint internalFormat,
 671                       GLint width, GLint border,
 672                       GLenum format, GLenum type, const GLvoid * pixels,
 673                       const struct gl_pixelstore_attrib *packing,
 674                       struct gl_texture_object *texObj,
 675                       struct gl_texture_image *texImage)
 676 {
 677         radeon_teximage(ctx, 1, target, level, internalFormat, width, 1, 1,
 678                 0, format, type, pixels, packing, texObj, texImage, 0);
 679 }
 680
 681 void radeonTexImage2D(GLcontext * ctx, GLenum target, GLint level,
 682                            GLint internalFormat,
 683                            GLint width, GLint height, GLint border,
 684                            GLenum format, GLenum type, const GLvoid * pixels,
 685                            const struct gl_pixelstore_attrib *packing,
 686                            struct gl_texture_object *texObj,
 687                            struct gl_texture_image *texImage)
 688
 689 {
 690         radeon_teximage(ctx, 2, target, level, internalFormat, width, height, 1,
 691                 0, format, type, pixels, packing, texObj, texImage, 0);
 692 }
 693
 694 void radeonCompressedTexImage2D(GLcontext * ctx, GLenum target,
 695                                      GLint level, GLint internalFormat,
 696                                      GLint width, GLint height, GLint border,
 697                                      GLsizei imageSize, const GLvoid * data,
 698                                      struct gl_texture_object *texObj,
 699                                      struct gl_texture_image *texImage)
 700 {
 701         radeon_teximage(ctx, 2, target, level, internalFormat, width, height, 1,
 702                 imageSize, 0, 0, data, &ctx->Unpack, texObj, texImage, 1);
 703 }
 704
 705 void radeonTexImage3D(GLcontext * ctx, GLenum target, GLint level,
 706                       GLint internalFormat,
 707                       GLint width, GLint height, GLint depth,
 708                       GLint border,
 709                       GLenum format, GLenum type, const GLvoid * pixels,
 710                       const struct gl_pixelstore_attrib *packing,
 711                       struct gl_texture_object *texObj,
 712                       struct gl_texture_image *texImage)
 713 {
 714         radeon_teximage(ctx, 3, target, level, internalFormat, width, height, depth,
 715                 0, format, type, pixels, packing, texObj, texImage, 0);
 716 }
 717
 718 /**
 719  * Update a subregion of the given texture image.
 720  */
 721 static void radeon_texsubimage(GLcontext* ctx, int dims, GLenum target, int level,
 722                 GLint xoffset, GLint yoffset, GLint zoffset,
 723                 GLsizei width, GLsizei height, GLsizei depth,
 724                 GLsizei imageSize,
 725                 GLenum format, GLenum type,
 726                 const GLvoid * pixels,
 727                 const struct gl_pixelstore_attrib *packing,
 728                 struct gl_texture_object *texObj,
 729                 struct gl_texture_image *texImage,
 730                 int compressed)
 731 {
 732         radeonContextPtr rmesa = RADEON_CONTEXT(ctx);
 733         radeonTexObj* t = radeon_tex_obj(texObj);
 734         radeon_texture_image* image = get_radeon_texture_image(texImage);
 735
 736         radeon_firevertices(rmesa);
 737
 738         t->validated = GL_FALSE;
 739         if (compressed) {
 740                 pixels = _mesa_validate_pbo_compressed_teximage(
 741                         ctx, imageSize, pixels, packing, "glCompressedTexImage");
 742         } else {
 743                 pixels = _mesa_validate_pbo_teximage(ctx, dims,
 744                         width, height, depth, format, type, pixels, packing, "glTexSubImage1D");
 745         }
 746
 747         if (pixels) {
 748                 GLint dstRowStride;
 749                 radeon_teximage_map(image, GL_TRUE);
 750
 751                 if (image->mt) {
 752                         radeon_mipmap_level *lvl = &image->mt->levels[image->mtlevel];
 753                         dstRowStride = lvl->rowstride;
 754                 } else {
 755                         dstRowStride = texImage->RowStride * texImage->TexFormat->TexelBytes;
 756                 }
 757
 758                 if (compressed) {
 759                         uint32_t srcRowStride, bytesPerRow, rows;
 760                         dstRowStride = _mesa_compressed_row_stride(texImage->TexFormat->MesaFormat, texImage->Width);
 761                         srcRowStride = _mesa_compressed_row_stride(texImage->TexFormat->MesaFormat, width);
 762                         bytesPerRow = srcRowStride;
 763                         rows = height / 4;
 764
 765                         copy_rows(texImage->Data, dstRowStride,  image->base.Data, srcRowStride, rows,
 766                                   bytesPerRow);
 767
 768                 } else {
 769                         if (!texImage->TexFormat->StoreImage(ctx, dims, texImage->_BaseFormat,
 770                                                              texImage->TexFormat, texImage->Data,
 771                                                              xoffset, yoffset, zoffset,
 772                                                              dstRowStride,
 773                                                              texImage->ImageOffsets,
 774                                                              width, height, depth,
 775                                                              format, type, pixels, packing))
 776                                 _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexSubImage");
 777                 }
 778
 779                 /* GL_SGIS_generate_mipmap */
 780                 if (level == texObj->BaseLevel && texObj->GenerateMipmap) {
 781                         radeon_generate_mipmap(ctx, target, texObj);
 782                 }
 783         }
 784
 785         radeon_teximage_unmap(image);
 786
 787         _mesa_unmap_teximage_pbo(ctx, packing);
 788
 789
 790 }
 791
 792 void radeonTexSubImage1D(GLcontext * ctx, GLenum target, GLint level,
 793                          GLint xoffset,
 794                          GLsizei width,
 795                          GLenum format, GLenum type,
 796                          const GLvoid * pixels,
 797                          const struct gl_pixelstore_attrib *packing,
 798                          struct gl_texture_object *texObj,
 799                          struct gl_texture_image *texImage)
 800 {
 801         radeon_texsubimage(ctx, 1, target, level, xoffset, 0, 0, width, 1, 1, 0,
 802                 format, type, pixels, packing, texObj, texImage, 0);
 803 }
 804
 805 void radeonTexSubImage2D(GLcontext * ctx, GLenum target, GLint level,
 806                          GLint xoffset, GLint yoffset,
 807                          GLsizei width, GLsizei height,
 808                          GLenum format, GLenum type,
 809                          const GLvoid * pixels,
 810                          const struct gl_pixelstore_attrib *packing,
 811                          struct gl_texture_object *texObj,
 812                          struct gl_texture_image *texImage)
 813 {
 814         radeon_texsubimage(ctx, 2, target, level, xoffset, yoffset, 0, width, height, 1,
 815                            0, format, type, pixels, packing, texObj, texImage,
 816                            0);
 817 }
 818
 819 void radeonCompressedTexSubImage2D(GLcontext * ctx, GLenum target,
 820                                    GLint level, GLint xoffset,
 821                                    GLint yoffset, GLsizei width,
 822                                    GLsizei height, GLenum format,
 823                                    GLsizei imageSize, const GLvoid * data,
 824                                    struct gl_texture_object *texObj,
 825                                    struct gl_texture_image *texImage)
 826 {
 827         radeon_texsubimage(ctx, 2, target, level, xoffset, yoffset, 0, width, height, 1,
 828                 imageSize, format, 0, data, &ctx->Unpack, texObj, texImage, 1);
 829 }
 830
 831
 832 void radeonTexSubImage3D(GLcontext * ctx, GLenum target, GLint level,
 833                          GLint xoffset, GLint yoffset, GLint zoffset,
 834                          GLsizei width, GLsizei height, GLsizei depth,
 835                          GLenum format, GLenum type,
 836                          const GLvoid * pixels,
 837                          const struct gl_pixelstore_attrib *packing,
 838                          struct gl_texture_object *texObj,
 839                          struct gl_texture_image *texImage)
 840 {
 841         radeon_texsubimage(ctx, 3, target, level, xoffset, yoffset, zoffset, width, height, depth, 0,
 842                 format, type, pixels, packing, texObj, texImage, 0);
 843 }
 844
 845
 846
 847 /**
 848  * Ensure that the given image is stored in the given miptree from now on.
 849  */
 850 static void migrate_image_to_miptree(radeon_mipmap_tree *mt, radeon_texture_image *image, int face, int level)
 851 {
 852         radeon_mipmap_level *dstlvl = &mt->levels[level - mt->firstLevel];
 853         unsigned char *dest;
 854
 855         assert(image->mt != mt);
 856         assert(dstlvl->width == image->base.Width);
 857         assert(dstlvl->height == image->base.Height);
 858         assert(dstlvl->depth == image->base.Depth);
 859
 860
 861         radeon_bo_map(mt->bo, GL_TRUE);
 862         dest = mt->bo->ptr + dstlvl->faces[face].offset;
 863
 864         if (image->mt) {
 865                 /* Format etc. should match, so we really just need a memcpy().
 866                  * In fact, that memcpy() could be done by the hardware in many
 867                  * cases, provided that we have a proper memory manager.
 868                  */
 869                 radeon_mipmap_level *srclvl = &image->mt->levels[image->mtlevel-image->mt->firstLevel];
 870
 871                 assert(srclvl->size == dstlvl->size);
 872                 assert(srclvl->rowstride == dstlvl->rowstride);
 873
 874                 radeon_bo_map(image->mt->bo, GL_FALSE);
 875
 876                 memcpy(dest,
 877                         image->mt->bo->ptr + srclvl->faces[face].offset,
 878                         dstlvl->size);
 879                 radeon_bo_unmap(image->mt->bo);
 880
 881                 radeon_miptree_unreference(image->mt);
 882         } else {
 883                 uint32_t srcrowstride;
 884                 uint32_t height;
 885                 /* need to confirm this value is correct */
 886                 if (mt->compressed) {
 887                         height = image->base.Height / 4;
 888                         srcrowstride = image->base.RowStride * mt->bpp;
 889                 } else {
 890                         height = image->base.Height * image->base.Depth;
 891                         srcrowstride = image->base.Width * image->base.TexFormat->TexelBytes;
 892                 }
 893
 894 //              if (mt->tilebits)
 895 //                      WARN_ONCE("%s: tiling not supported yet", __FUNCTION__);
 896
 897                 copy_rows(dest, dstlvl->rowstride, image->base.Data, srcrowstride,
 898                           height, srcrowstride);
 899
 900                 _mesa_free_texmemory(image->base.Data);
 901                 image->base.Data = 0;
 902         }
 903
 904         radeon_bo_unmap(mt->bo);
 905
 906         image->mt = mt;
 907         image->mtface = face;
 908         image->mtlevel = level;
 909         radeon_miptree_reference(image->mt);
 910 }
 911
 912 int radeon_validate_texture_miptree(GLcontext * ctx, struct gl_texture_object *texObj)
 913 {
 914         radeonContextPtr rmesa = RADEON_CONTEXT(ctx);
 915         radeonTexObj *t = radeon_tex_obj(texObj);
 916         radeon_texture_image *baseimage = get_radeon_texture_image(texObj->Image[0][texObj->BaseLevel]);
 917         int face, level;
 918
 919         if (t->validated || t->image_override)
 920                 return GL_TRUE;
 921
 922         if (RADEON_DEBUG & DEBUG_TEXTURE)
 923                 fprintf(stderr, "%s: Validating texture %p now\n", __FUNCTION__, texObj);
 924
 925         if (baseimage->base.Border > 0)
 926                 return GL_FALSE;
 927
 928         /* Ensure a matching miptree exists.
 929          *
 930          * Differing mipmap trees can result when the app uses TexImage to
 931          * change texture dimensions.
 932          *
 933          * Prefer to use base image's miptree if it
 934          * exists, since that most likely contains more valid data (remember
 935          * that the base level is usually significantly larger than the rest
 936          * of the miptree, so cubemaps are the only possible exception).
 937          */
 938         if (baseimage->mt &&
 939             baseimage->mt != t->mt &&
 940             radeon_miptree_matches_texture(baseimage->mt, &t->base)) {
 941                 radeon_miptree_unreference(t->mt);
 942                 t->mt = baseimage->mt;
 943                 radeon_miptree_reference(t->mt);
 944         } else if (t->mt && !radeon_miptree_matches_texture(t->mt, &t->base)) {
 945                 radeon_miptree_unreference(t->mt);
 946                 t->mt = 0;
 947         }
 948
 949         if (!t->mt) {
 950                 if (RADEON_DEBUG & DEBUG_TEXTURE)
 951                         fprintf(stderr, " Allocate new miptree\n");
 952                 radeon_try_alloc_miptree(rmesa, t, &baseimage->base, 0, texObj->BaseLevel);
 953                 if (!t->mt) {
 954                         _mesa_problem(ctx, "r300_validate_texture failed to alloc miptree");
 955                         return GL_FALSE;
 956                 }
 957         }
 958
 959         /* Ensure all images are stored in the single main miptree */
 960         for(face = 0; face < t->mt->faces; ++face) {
 961                 for(level = t->mt->firstLevel; level <= t->mt->lastLevel; ++level) {
 962                         radeon_texture_image *image = get_radeon_texture_image(texObj->Image[face][level]);
 963                         if (RADEON_DEBUG & DEBUG_TEXTURE)
 964                                 fprintf(stderr, " face %i, level %i... %p vs %p ", face, level, t->mt, image->mt);
 965                         if (t->mt == image->mt) {
 966                                 if (RADEON_DEBUG & DEBUG_TEXTURE)
 967                                         fprintf(stderr, "OK\n");
 968                                 continue;
 969                         }
 970
 971                         if (RADEON_DEBUG & DEBUG_TEXTURE)
 972                                 fprintf(stderr, "migrating\n");
 973                         migrate_image_to_miptree(t->mt, image, face, level);
 974                 }
 975         }
 976
 977         return GL_TRUE;
 978 }
 979
 980
 981 /**
 982  * Need to map texture image into memory before copying image data,
 983  * then unmap it.
 984  */
 985 static void
 986 radeon_get_tex_image(GLcontext * ctx, GLenum target, GLint level,
 987                      GLenum format, GLenum type, GLvoid * pixels,
 988                      struct gl_texture_object *texObj,
 989                      struct gl_texture_image *texImage, int compressed)
 990 {
 991         radeon_texture_image *image = get_radeon_texture_image(texImage);
 992
 993         if (image->mt) {
 994                 /* Map the texture image read-only */
 995                 radeon_teximage_map(image, GL_FALSE);
 996         } else {
 997                 /* Image hasn't been uploaded to a miptree yet */
 998                 assert(image->base.Data);
 999         }
1000
1001         if (compressed) {
1002                 _mesa_get_compressed_teximage(ctx, target, level, pixels,
1003                                               texObj, texImage);
1004         } else {
1005                 _mesa_get_teximage(ctx, target, level, format, type, pixels,
1006                                    texObj, texImage);
1007         }
1008
1009         if (image->mt) {
1010                 radeon_teximage_unmap(image);
1011         }
1012 }
1013
1014 void
1015 radeonGetTexImage(GLcontext * ctx, GLenum target, GLint level,
1016                   GLenum format, GLenum type, GLvoid * pixels,
1017                   struct gl_texture_object *texObj,
1018                   struct gl_texture_image *texImage)
1019 {
1020         radeon_get_tex_image(ctx, target, level, format, type, pixels,
1021                              texObj, texImage, 0);
1022 }
1023
1024 void
1025 radeonGetCompressedTexImage(GLcontext *ctx, GLenum target, GLint level,
1026                             GLvoid *pixels,
1027                             struct gl_texture_object *texObj,
1028                             struct gl_texture_image *texImage)
1029 {
1030         radeon_get_tex_image(ctx, target, level, 0, 0, pixels,
1031                              texObj, texImage, 1);
1032 }