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

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