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, image, 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                 if (compressed) {
 614                         if (image->mt) {
 615                                 uint32_t srcRowStride, bytesPerRow, rows;
 616                                 srcRowStride = _mesa_compressed_row_stride(texImage->TexFormat->MesaFormat, width);
 617                                 bytesPerRow = srcRowStride;
 618                                 rows = (height + 3) / 4;
 619                                 copy_rows(texImage->Data, image->mt->levels[level].rowstride,
 620                                           pixels, srcRowStride, rows, bytesPerRow);
 621                         } else {
 622                                 memcpy(texImage->Data, pixels, imageSize);
 623                         }
 624                 } else {
 625                         GLuint dstRowStride;
 626                         GLuint *dstImageOffsets;
 627
 628                         if (image->mt) {
 629                                 radeon_mipmap_level *lvl = &image->mt->levels[image->mtlevel];
 630                                 dstRowStride = lvl->rowstride;
 631                         } else {
 632                                 dstRowStride = texImage->Width * texImage->TexFormat->TexelBytes;
 633                         }
 634
 635                         if (dims == 3) {
 636                                 int i;
 637
 638                                 dstImageOffsets = _mesa_malloc(depth * sizeof(GLuint)) ;
 639                                 if (!dstImageOffsets)
 640                                         _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage");
 641
 642                                 for (i = 0; i < depth; ++i) {
 643                                         dstImageOffsets[i] = dstRowStride/texImage->TexFormat->TexelBytes * height * i;
 644                                 }
 645                         } else {
 646                                 dstImageOffsets = texImage->ImageOffsets;
 647                         }
 648
 649                         if (!texImage->TexFormat->StoreImage(ctx, dims,
 650                                                 texImage->_BaseFormat,
 651                                                 texImage->TexFormat,
 652                                                 texImage->Data, 0, 0, 0, /* dstX/Y/Zoffset */
 653                                                 dstRowStride,
 654                                                 dstImageOffsets,
 655                                                 width, height, depth,
 656                                                 format, type, pixels, packing))
 657                                 _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage");
 658
 659                         if (dims == 3)
 660                                 _mesa_free(dstImageOffsets);
 661                 }
 662         }
 663
 664         _mesa_unmap_teximage_pbo(ctx, packing);
 665
 666         if (pixels)
 667           radeon_teximage_unmap(image);
 668
 669
 670 }
 671
 672 void radeonTexImage1D(GLcontext * ctx, GLenum target, GLint level,
 673                       GLint internalFormat,
 674                       GLint width, GLint border,
 675                       GLenum format, GLenum type, const GLvoid * pixels,
 676                       const struct gl_pixelstore_attrib *packing,
 677                       struct gl_texture_object *texObj,
 678                       struct gl_texture_image *texImage)
 679 {
 680         radeon_teximage(ctx, 1, target, level, internalFormat, width, 1, 1,
 681                 0, format, type, pixels, packing, texObj, texImage, 0);
 682 }
 683
 684 void radeonTexImage2D(GLcontext * ctx, GLenum target, GLint level,
 685                            GLint internalFormat,
 686                            GLint width, GLint height, GLint border,
 687                            GLenum format, GLenum type, const GLvoid * pixels,
 688                            const struct gl_pixelstore_attrib *packing,
 689                            struct gl_texture_object *texObj,
 690                            struct gl_texture_image *texImage)
 691
 692 {
 693         radeon_teximage(ctx, 2, target, level, internalFormat, width, height, 1,
 694                 0, format, type, pixels, packing, texObj, texImage, 0);
 695 }
 696
 697 void radeonCompressedTexImage2D(GLcontext * ctx, GLenum target,
 698                                      GLint level, GLint internalFormat,
 699                                      GLint width, GLint height, GLint border,
 700                                      GLsizei imageSize, const GLvoid * data,
 701                                      struct gl_texture_object *texObj,
 702                                      struct gl_texture_image *texImage)
 703 {
 704         radeon_teximage(ctx, 2, target, level, internalFormat, width, height, 1,
 705                 imageSize, 0, 0, data, &ctx->Unpack, texObj, texImage, 1);
 706 }
 707
 708 void radeonTexImage3D(GLcontext * ctx, GLenum target, GLint level,
 709                       GLint internalFormat,
 710                       GLint width, GLint height, GLint depth,
 711                       GLint border,
 712                       GLenum format, GLenum type, const GLvoid * pixels,
 713                       const struct gl_pixelstore_attrib *packing,
 714                       struct gl_texture_object *texObj,
 715                       struct gl_texture_image *texImage)
 716 {
 717         radeon_teximage(ctx, 3, target, level, internalFormat, width, height, depth,
 718                 0, format, type, pixels, packing, texObj, texImage, 0);
 719 }
 720
 721 /**
 722  * Update a subregion of the given texture image.
 723  */
 724 static void radeon_texsubimage(GLcontext* ctx, int dims, GLenum target, int level,
 725                 GLint xoffset, GLint yoffset, GLint zoffset,
 726                 GLsizei width, GLsizei height, GLsizei depth,
 727                 GLsizei imageSize,
 728                 GLenum format, GLenum type,
 729                 const GLvoid * pixels,
 730                 const struct gl_pixelstore_attrib *packing,
 731                 struct gl_texture_object *texObj,
 732                 struct gl_texture_image *texImage,
 733                 int compressed)
 734 {
 735         radeonContextPtr rmesa = RADEON_CONTEXT(ctx);
 736         radeonTexObj* t = radeon_tex_obj(texObj);
 737         radeon_texture_image* image = get_radeon_texture_image(texImage);
 738
 739         radeon_firevertices(rmesa);
 740
 741         t->validated = GL_FALSE;
 742         if (compressed) {
 743                 pixels = _mesa_validate_pbo_compressed_teximage(
 744                         ctx, imageSize, pixels, packing, "glCompressedTexImage");
 745         } else {
 746                 pixels = _mesa_validate_pbo_teximage(ctx, dims,
 747                         width, height, depth, format, type, pixels, packing, "glTexSubImage1D");
 748         }
 749
 750         if (pixels) {
 751                 GLint dstRowStride;
 752                 radeon_teximage_map(image, GL_TRUE);
 753
 754                 if (image->mt) {
 755                         radeon_mipmap_level *lvl = &image->mt->levels[image->mtlevel];
 756                         dstRowStride = lvl->rowstride;
 757                 } else {
 758                         dstRowStride = texImage->RowStride * texImage->TexFormat->TexelBytes;
 759                 }
 760
 761                 if (compressed) {
 762                         uint32_t srcRowStride, bytesPerRow, rows;
 763                         GLubyte *img_start;
 764                         if (!image->mt) {
 765                                 dstRowStride = _mesa_compressed_row_stride(texImage->TexFormat->MesaFormat, texImage->Width);
 766                                 img_start = _mesa_compressed_image_address(xoffset, yoffset, 0,
 767                                                                            texImage->TexFormat->MesaFormat,
 768                                                                            texImage->Width, texImage->Data);
 769                         }
 770                         else {
 771                                 uint32_t blocks_x = dstRowStride / (image->mt->bpp * 4);
 772                                 img_start = texImage->Data + image->mt->bpp * 4 * (blocks_x * (yoffset / 4) + xoffset / 4);
 773                         }
 774                         srcRowStride = _mesa_compressed_row_stride(texImage->TexFormat->MesaFormat, width);
 775                         bytesPerRow = srcRowStride;
 776                         rows = (height + 3) / 4;
 777
 778                         copy_rows(img_start, dstRowStride,  pixels, srcRowStride, rows,  bytesPerRow);
 779
 780                 } else {
 781                         if (!texImage->TexFormat->StoreImage(ctx, dims, texImage->_BaseFormat,
 782                                                              texImage->TexFormat, texImage->Data,
 783                                                              xoffset, yoffset, zoffset,
 784                                                              dstRowStride,
 785                                                              texImage->ImageOffsets,
 786                                                              width, height, depth,
 787                                                              format, type, pixels, packing))
 788                                 _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexSubImage");
 789                 }
 790         }
 791
 792         radeon_teximage_unmap(image);
 793
 794         _mesa_unmap_teximage_pbo(ctx, packing);
 795
 796
 797 }
 798
 799 void radeonTexSubImage1D(GLcontext * ctx, GLenum target, GLint level,
 800                          GLint xoffset,
 801                          GLsizei width,
 802                          GLenum format, GLenum type,
 803                          const GLvoid * pixels,
 804                          const struct gl_pixelstore_attrib *packing,
 805                          struct gl_texture_object *texObj,
 806                          struct gl_texture_image *texImage)
 807 {
 808         radeon_texsubimage(ctx, 1, target, level, xoffset, 0, 0, width, 1, 1, 0,
 809                 format, type, pixels, packing, texObj, texImage, 0);
 810 }
 811
 812 void radeonTexSubImage2D(GLcontext * ctx, GLenum target, GLint level,
 813                          GLint xoffset, GLint yoffset,
 814                          GLsizei width, GLsizei height,
 815                          GLenum format, GLenum type,
 816                          const GLvoid * pixels,
 817                          const struct gl_pixelstore_attrib *packing,
 818                          struct gl_texture_object *texObj,
 819                          struct gl_texture_image *texImage)
 820 {
 821         radeon_texsubimage(ctx, 2, target, level, xoffset, yoffset, 0, width, height, 1,
 822                            0, format, type, pixels, packing, texObj, texImage,
 823                            0);
 824 }
 825
 826 void radeonCompressedTexSubImage2D(GLcontext * ctx, GLenum target,
 827                                    GLint level, GLint xoffset,
 828                                    GLint yoffset, GLsizei width,
 829                                    GLsizei height, GLenum format,
 830                                    GLsizei imageSize, const GLvoid * data,
 831                                    struct gl_texture_object *texObj,
 832                                    struct gl_texture_image *texImage)
 833 {
 834         radeon_texsubimage(ctx, 2, target, level, xoffset, yoffset, 0, width, height, 1,
 835                 imageSize, format, 0, data, &ctx->Unpack, texObj, texImage, 1);
 836 }
 837
 838
 839 void radeonTexSubImage3D(GLcontext * ctx, GLenum target, GLint level,
 840                          GLint xoffset, GLint yoffset, GLint zoffset,
 841                          GLsizei width, GLsizei height, GLsizei depth,
 842                          GLenum format, GLenum type,
 843                          const GLvoid * pixels,
 844                          const struct gl_pixelstore_attrib *packing,
 845                          struct gl_texture_object *texObj,
 846                          struct gl_texture_image *texImage)
 847 {
 848         radeon_texsubimage(ctx, 3, target, level, xoffset, yoffset, zoffset, width, height, depth, 0,
 849                 format, type, pixels, packing, texObj, texImage, 0);
 850 }
 851
 852
 853
 854 /**
 855  * Ensure that the given image is stored in the given miptree from now on.
 856  */
 857 static void migrate_image_to_miptree(radeon_mipmap_tree *mt, radeon_texture_image *image, int face, int level)
 858 {
 859         radeon_mipmap_level *dstlvl = &mt->levels[level - mt->firstLevel];
 860         unsigned char *dest;
 861
 862         assert(image->mt != mt);
 863         assert(dstlvl->width == image->base.Width);
 864         assert(dstlvl->height == image->base.Height);
 865         assert(dstlvl->depth == image->base.Depth);
 866
 867
 868         radeon_bo_map(mt->bo, GL_TRUE);
 869         dest = mt->bo->ptr + dstlvl->faces[face].offset;
 870
 871         if (image->mt) {
 872                 /* Format etc. should match, so we really just need a memcpy().
 873                  * In fact, that memcpy() could be done by the hardware in many
 874                  * cases, provided that we have a proper memory manager.
 875                  */
 876                 radeon_mipmap_level *srclvl = &image->mt->levels[image->mtlevel-image->mt->firstLevel];
 877
 878                 assert(srclvl->size == dstlvl->size);
 879                 assert(srclvl->rowstride == dstlvl->rowstride);
 880
 881                 radeon_bo_map(image->mt->bo, GL_FALSE);
 882
 883                 memcpy(dest,
 884                         image->mt->bo->ptr + srclvl->faces[face].offset,
 885                         dstlvl->size);
 886                 radeon_bo_unmap(image->mt->bo);
 887
 888                 radeon_miptree_unreference(image->mt);
 889         } else {
 890                 uint32_t srcrowstride;
 891                 uint32_t height;
 892                 /* need to confirm this value is correct */
 893                 if (mt->compressed) {
 894                         height = (image->base.Height + 3) / 4;
 895                         srcrowstride = _mesa_compressed_row_stride(image->base.TexFormat->MesaFormat, image->base.Width);
 896                 } else {
 897                         height = image->base.Height * image->base.Depth;
 898                         srcrowstride = image->base.Width * image->base.TexFormat->TexelBytes;
 899                 }
 900
 901 //              if (mt->tilebits)
 902 //                      WARN_ONCE("%s: tiling not supported yet", __FUNCTION__);
 903
 904                 copy_rows(dest, dstlvl->rowstride, image->base.Data, srcrowstride,
 905                           height, srcrowstride);
 906
 907                 _mesa_free_texmemory(image->base.Data);
 908                 image->base.Data = 0;
 909         }
 910
 911         radeon_bo_unmap(mt->bo);
 912
 913         image->mt = mt;
 914         image->mtface = face;
 915         image->mtlevel = level;
 916         radeon_miptree_reference(image->mt);
 917 }
 918
 919 int radeon_validate_texture_miptree(GLcontext * ctx, struct gl_texture_object *texObj)
 920 {
 921         radeonContextPtr rmesa = RADEON_CONTEXT(ctx);
 922         radeonTexObj *t = radeon_tex_obj(texObj);
 923         radeon_texture_image *baseimage = get_radeon_texture_image(texObj->Image[0][texObj->BaseLevel]);
 924         int face, level;
 925
 926         if (t->validated || t->image_override)
 927                 return GL_TRUE;
 928
 929         if (RADEON_DEBUG & RADEON_TEXTURE)
 930                 fprintf(stderr, "%s: Validating texture %p now\n", __FUNCTION__, texObj);
 931
 932         if (baseimage->base.Border > 0)
 933                 return GL_FALSE;
 934
 935         /* Ensure a matching miptree exists.
 936          *
 937          * Differing mipmap trees can result when the app uses TexImage to
 938          * change texture dimensions.
 939          *
 940          * Prefer to use base image's miptree if it
 941          * exists, since that most likely contains more valid data (remember
 942          * that the base level is usually significantly larger than the rest
 943          * of the miptree, so cubemaps are the only possible exception).
 944          */
 945         if (baseimage->mt &&
 946             baseimage->mt != t->mt &&
 947             radeon_miptree_matches_texture(baseimage->mt, &t->base)) {
 948                 radeon_miptree_unreference(t->mt);
 949                 t->mt = baseimage->mt;
 950                 radeon_miptree_reference(t->mt);
 951         } else if (t->mt && !radeon_miptree_matches_texture(t->mt, &t->base)) {
 952                 radeon_miptree_unreference(t->mt);
 953                 t->mt = 0;
 954         }
 955
 956         if (!t->mt) {
 957                 if (RADEON_DEBUG & RADEON_TEXTURE)
 958                         fprintf(stderr, " Allocate new miptree\n");
 959                 radeon_try_alloc_miptree(rmesa, t, baseimage, 0, texObj->BaseLevel);
 960                 if (!t->mt) {
 961                         _mesa_problem(ctx, "radeon_validate_texture failed to alloc miptree");
 962                         return GL_FALSE;
 963                 }
 964         }
 965
 966         /* Ensure all images are stored in the single main miptree */
 967         for(face = 0; face < t->mt->faces; ++face) {
 968                 for(level = t->mt->firstLevel; level <= t->mt->lastLevel; ++level) {
 969                         radeon_texture_image *image = get_radeon_texture_image(texObj->Image[face][level]);
 970                         if (RADEON_DEBUG & RADEON_TEXTURE)
 971                                 fprintf(stderr, " face %i, level %i... %p vs %p ", face, level, t->mt, image->mt);
 972                         if (t->mt == image->mt) {
 973                                 if (RADEON_DEBUG & RADEON_TEXTURE)
 974                                         fprintf(stderr, "OK\n");
 975
 976                                 continue;
 977                         }
 978
 979                         if (RADEON_DEBUG & RADEON_TEXTURE)
 980                                 fprintf(stderr, "migrating\n");
 981                         migrate_image_to_miptree(t->mt, image, face, level);
 982                 }
 983         }
 984
 985         return GL_TRUE;
 986 }
 987
 988
 989 /**
 990  * Need to map texture image into memory before copying image data,
 991  * then unmap it.
 992  */
 993 static void
 994 radeon_get_tex_image(GLcontext * ctx, GLenum target, GLint level,
 995                      GLenum format, GLenum type, GLvoid * pixels,
 996                      struct gl_texture_object *texObj,
 997                      struct gl_texture_image *texImage, int compressed)
 998 {
 999         radeon_texture_image *image = get_radeon_texture_image(texImage);
1000
1001         if (image->mt) {
1002                 /* Map the texture image read-only */
1003                 radeon_teximage_map(image, GL_FALSE);
1004         } else {
1005                 /* Image hasn't been uploaded to a miptree yet */
1006                 assert(image->base.Data);
1007         }
1008
1009         if (compressed) {
1010                 /* FIXME: this can't work for small textures (mips) which
1011                          use different hw stride */
1012                 _mesa_get_compressed_teximage(ctx, target, level, pixels,
1013                                               texObj, texImage);
1014         } else {
1015                 _mesa_get_teximage(ctx, target, level, format, type, pixels,
1016                                    texObj, texImage);
1017         }
1018
1019         if (image->mt) {
1020                 radeon_teximage_unmap(image);
1021         }
1022 }
1023
1024 void
1025 radeonGetTexImage(GLcontext * ctx, GLenum target, GLint level,
1026                   GLenum format, GLenum type, GLvoid * pixels,
1027                   struct gl_texture_object *texObj,
1028                   struct gl_texture_image *texImage)
1029 {
1030         radeon_get_tex_image(ctx, target, level, format, type, pixels,
1031                              texObj, texImage, 0);
1032 }
1033
1034 void
1035 radeonGetCompressedTexImage(GLcontext *ctx, GLenum target, GLint level,
1036                             GLvoid *pixels,
1037                             struct gl_texture_object *texObj,
1038                             struct gl_texture_image *texImage)
1039 {
1040         radeon_get_tex_image(ctx, target, level, 0, 0, pixels,
1041                              texObj, texImage, 1);
1042 }