1/* 2Copyright (C) The Weather Channel, Inc. 2002. All Rights Reserved. 3 4The Weather Channel (TM) funded Tungsten Graphics to develop the 5initial release of the Radeon 8500 driver under the XFree86 license. 6This notice must be preserved. 7 8Permission is hereby granted, free of charge, to any person obtaining 9a copy of this software and associated documentation files (the 10"Software"), to deal in the Software without restriction, including 11without limitation the rights to use, copy, modify, merge, publish, 12distribute, sublicense, and/or sell copies of the Software, and to 13permit persons to whom the Software is furnished to do so, subject to 14the following conditions: 15 16The above copyright notice and this permission notice (including the 17next paragraph) shall be included in all copies or substantial 18portions of the Software. 19 20THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 21EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 22MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 23IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE 24LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION 25OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION 26WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 27*/ 28 29/* 30 * Authors: 31 * Keith Whitwell <keithw@vmware.com> 32 */ 33 34#include "main/glheader.h" 35 36#include "main/context.h" 37#include "main/enums.h" 38#include "main/image.h" 39#include "main/teximage.h" 40#include "main/texobj.h" 41#include "main/samplerobj.h" 42 43#include "radeon_mipmap_tree.h" 44#include "r200_context.h" 45#include "r200_ioctl.h" 46#include "r200_tex.h" 47 48#include "util/u_memory.h" 49#include "util/driconf.h" 50 51 52 53/** 54 * Set the texture wrap modes. 55 * 56 * \param t Texture object whose wrap modes are to be set 57 * \param swrap Wrap mode for the \a s texture coordinate 58 * \param twrap Wrap mode for the \a t texture coordinate 59 */ 60 61static void r200SetTexWrap( radeonTexObjPtr t, GLenum swrap, GLenum twrap, GLenum rwrap ) 62{ 63 GLboolean is_clamp = GL_FALSE; 64 GLboolean is_clamp_to_border = GL_FALSE; 65 struct gl_texture_object *tObj = &t->base; 66 67 radeon_print(RADEON_TEXTURE, RADEON_TRACE, 68 "%s(tex %p) sw %s, tw %s, rw %s\n", 69 __func__, t, 70 _mesa_enum_to_string(swrap), 71 _mesa_enum_to_string(twrap), 72 _mesa_enum_to_string(rwrap)); 73 74 t->pp_txfilter &= ~(R200_CLAMP_S_MASK | R200_CLAMP_T_MASK | R200_BORDER_MODE_D3D); 75 76 switch ( swrap ) { 77 case GL_REPEAT: 78 t->pp_txfilter |= R200_CLAMP_S_WRAP; 79 break; 80 case GL_CLAMP: 81 t->pp_txfilter |= R200_CLAMP_S_CLAMP_GL; 82 is_clamp = GL_TRUE; 83 break; 84 case GL_CLAMP_TO_EDGE: 85 t->pp_txfilter |= R200_CLAMP_S_CLAMP_LAST; 86 break; 87 case GL_CLAMP_TO_BORDER: 88 t->pp_txfilter |= R200_CLAMP_S_CLAMP_GL; 89 is_clamp_to_border = GL_TRUE; 90 break; 91 case GL_MIRRORED_REPEAT: 92 t->pp_txfilter |= R200_CLAMP_S_MIRROR; 93 break; 94 case GL_MIRROR_CLAMP_EXT: 95 t->pp_txfilter |= R200_CLAMP_S_MIRROR_CLAMP_GL; 96 is_clamp = GL_TRUE; 97 break; 98 case GL_MIRROR_CLAMP_TO_EDGE_EXT: 99 t->pp_txfilter |= R200_CLAMP_S_MIRROR_CLAMP_LAST; 100 break; 101 case GL_MIRROR_CLAMP_TO_BORDER_EXT: 102 t->pp_txfilter |= R200_CLAMP_S_MIRROR_CLAMP_GL; 103 is_clamp_to_border = GL_TRUE; 104 break; 105 default: 106 _mesa_problem(NULL, "bad S wrap mode in %s", __func__); 107 } 108 109 if (tObj->Target != GL_TEXTURE_1D) { 110 switch ( twrap ) { 111 case GL_REPEAT: 112 t->pp_txfilter |= R200_CLAMP_T_WRAP; 113 break; 114 case GL_CLAMP: 115 t->pp_txfilter |= R200_CLAMP_T_CLAMP_GL; 116 is_clamp = GL_TRUE; 117 break; 118 case GL_CLAMP_TO_EDGE: 119 t->pp_txfilter |= R200_CLAMP_T_CLAMP_LAST; 120 break; 121 case GL_CLAMP_TO_BORDER: 122 t->pp_txfilter |= R200_CLAMP_T_CLAMP_GL; 123 is_clamp_to_border = GL_TRUE; 124 break; 125 case GL_MIRRORED_REPEAT: 126 t->pp_txfilter |= R200_CLAMP_T_MIRROR; 127 break; 128 case GL_MIRROR_CLAMP_EXT: 129 t->pp_txfilter |= R200_CLAMP_T_MIRROR_CLAMP_GL; 130 is_clamp = GL_TRUE; 131 break; 132 case GL_MIRROR_CLAMP_TO_EDGE_EXT: 133 t->pp_txfilter |= R200_CLAMP_T_MIRROR_CLAMP_LAST; 134 break; 135 case GL_MIRROR_CLAMP_TO_BORDER_EXT: 136 t->pp_txfilter |= R200_CLAMP_T_MIRROR_CLAMP_GL; 137 is_clamp_to_border = GL_TRUE; 138 break; 139 default: 140 _mesa_problem(NULL, "bad T wrap mode in %s", __func__); 141 } 142 } 143 144 t->pp_txformat_x &= ~R200_CLAMP_Q_MASK; 145 146 switch ( rwrap ) { 147 case GL_REPEAT: 148 t->pp_txformat_x |= R200_CLAMP_Q_WRAP; 149 break; 150 case GL_CLAMP: 151 t->pp_txformat_x |= R200_CLAMP_Q_CLAMP_GL; 152 is_clamp = GL_TRUE; 153 break; 154 case GL_CLAMP_TO_EDGE: 155 t->pp_txformat_x |= R200_CLAMP_Q_CLAMP_LAST; 156 break; 157 case GL_CLAMP_TO_BORDER: 158 t->pp_txformat_x |= R200_CLAMP_Q_CLAMP_GL; 159 is_clamp_to_border = GL_TRUE; 160 break; 161 case GL_MIRRORED_REPEAT: 162 t->pp_txformat_x |= R200_CLAMP_Q_MIRROR; 163 break; 164 case GL_MIRROR_CLAMP_EXT: 165 t->pp_txformat_x |= R200_CLAMP_Q_MIRROR_CLAMP_GL; 166 is_clamp = GL_TRUE; 167 break; 168 case GL_MIRROR_CLAMP_TO_EDGE_EXT: 169 t->pp_txformat_x |= R200_CLAMP_Q_MIRROR_CLAMP_LAST; 170 break; 171 case GL_MIRROR_CLAMP_TO_BORDER_EXT: 172 t->pp_txformat_x |= R200_CLAMP_Q_MIRROR_CLAMP_GL; 173 is_clamp_to_border = GL_TRUE; 174 break; 175 default: 176 _mesa_problem(NULL, "bad R wrap mode in %s", __func__); 177 } 178 179 if ( is_clamp_to_border ) { 180 t->pp_txfilter |= R200_BORDER_MODE_D3D; 181 } 182 183 t->border_fallback = (is_clamp && is_clamp_to_border); 184} 185 186static void r200SetTexMaxAnisotropy( radeonTexObjPtr t, GLfloat max ) 187{ 188 t->pp_txfilter &= ~R200_MAX_ANISO_MASK; 189 radeon_print(RADEON_TEXTURE, RADEON_TRACE, 190 "%s(tex %p) max %f.\n", 191 __func__, t, max); 192 193 if ( max <= 1.0 ) { 194 t->pp_txfilter |= R200_MAX_ANISO_1_TO_1; 195 } else if ( max <= 2.0 ) { 196 t->pp_txfilter |= R200_MAX_ANISO_2_TO_1; 197 } else if ( max <= 4.0 ) { 198 t->pp_txfilter |= R200_MAX_ANISO_4_TO_1; 199 } else if ( max <= 8.0 ) { 200 t->pp_txfilter |= R200_MAX_ANISO_8_TO_1; 201 } else { 202 t->pp_txfilter |= R200_MAX_ANISO_16_TO_1; 203 } 204} 205 206/** 207 * Set the texture magnification and minification modes. 208 * 209 * \param t Texture whose filter modes are to be set 210 * \param minf Texture minification mode 211 * \param magf Texture magnification mode 212 */ 213 214static void r200SetTexFilter( radeonTexObjPtr t, GLenum minf, GLenum magf ) 215{ 216 GLuint anisotropy = (t->pp_txfilter & R200_MAX_ANISO_MASK); 217 218 /* Force revalidation to account for switches from/to mipmapping. */ 219 t->validated = GL_FALSE; 220 221 t->pp_txfilter &= ~(R200_MIN_FILTER_MASK | R200_MAG_FILTER_MASK); 222 t->pp_txformat_x &= ~R200_VOLUME_FILTER_MASK; 223 224 radeon_print(RADEON_TEXTURE, RADEON_TRACE, 225 "%s(tex %p) minf %s, maxf %s, anisotropy %d.\n", 226 __func__, t, 227 _mesa_enum_to_string(minf), 228 _mesa_enum_to_string(magf), 229 anisotropy); 230 231 if ( anisotropy == R200_MAX_ANISO_1_TO_1 ) { 232 switch ( minf ) { 233 case GL_NEAREST: 234 t->pp_txfilter |= R200_MIN_FILTER_NEAREST; 235 break; 236 case GL_LINEAR: 237 t->pp_txfilter |= R200_MIN_FILTER_LINEAR; 238 break; 239 case GL_NEAREST_MIPMAP_NEAREST: 240 t->pp_txfilter |= R200_MIN_FILTER_NEAREST_MIP_NEAREST; 241 break; 242 case GL_NEAREST_MIPMAP_LINEAR: 243 t->pp_txfilter |= R200_MIN_FILTER_LINEAR_MIP_NEAREST; 244 break; 245 case GL_LINEAR_MIPMAP_NEAREST: 246 t->pp_txfilter |= R200_MIN_FILTER_NEAREST_MIP_LINEAR; 247 break; 248 case GL_LINEAR_MIPMAP_LINEAR: 249 t->pp_txfilter |= R200_MIN_FILTER_LINEAR_MIP_LINEAR; 250 break; 251 } 252 } else { 253 switch ( minf ) { 254 case GL_NEAREST: 255 t->pp_txfilter |= R200_MIN_FILTER_ANISO_NEAREST; 256 break; 257 case GL_LINEAR: 258 t->pp_txfilter |= R200_MIN_FILTER_ANISO_LINEAR; 259 break; 260 case GL_NEAREST_MIPMAP_NEAREST: 261 case GL_LINEAR_MIPMAP_NEAREST: 262 t->pp_txfilter |= R200_MIN_FILTER_ANISO_NEAREST_MIP_NEAREST; 263 break; 264 case GL_NEAREST_MIPMAP_LINEAR: 265 case GL_LINEAR_MIPMAP_LINEAR: 266 t->pp_txfilter |= R200_MIN_FILTER_ANISO_NEAREST_MIP_LINEAR; 267 break; 268 } 269 } 270 271 /* Note we don't have 3D mipmaps so only use the mag filter setting 272 * to set the 3D texture filter mode. 273 */ 274 switch ( magf ) { 275 case GL_NEAREST: 276 t->pp_txfilter |= R200_MAG_FILTER_NEAREST; 277 t->pp_txformat_x |= R200_VOLUME_FILTER_NEAREST; 278 break; 279 case GL_LINEAR: 280 t->pp_txfilter |= R200_MAG_FILTER_LINEAR; 281 t->pp_txformat_x |= R200_VOLUME_FILTER_LINEAR; 282 break; 283 } 284} 285 286static void r200SetTexBorderColor( radeonTexObjPtr t, const GLfloat color[4] ) 287{ 288 GLubyte c[4]; 289 CLAMPED_FLOAT_TO_UBYTE(c[0], color[0]); 290 CLAMPED_FLOAT_TO_UBYTE(c[1], color[1]); 291 CLAMPED_FLOAT_TO_UBYTE(c[2], color[2]); 292 CLAMPED_FLOAT_TO_UBYTE(c[3], color[3]); 293 t->pp_border_color = radeonPackColor( 4, c[0], c[1], c[2], c[3] ); 294} 295 296static void r200TexEnv( struct gl_context *ctx, GLenum target, 297 GLenum pname, const GLfloat *param ) 298{ 299 r200ContextPtr rmesa = R200_CONTEXT(ctx); 300 GLuint unit = ctx->Texture.CurrentUnit; 301 struct gl_fixedfunc_texture_unit *texUnit = 302 &ctx->Texture.FixedFuncUnit[unit]; 303 304 radeon_print(RADEON_TEXTURE | RADEON_STATE, RADEON_VERBOSE, "%s( %s )\n", 305 __func__, _mesa_enum_to_string( pname ) ); 306 307 /* This is incorrect: Need to maintain this data for each of 308 * GL_TEXTURE_{123}D, GL_TEXTURE_RECTANGLE_NV, etc, and switch 309 * between them according to _Current->Target. 310 */ 311 switch ( pname ) { 312 case GL_TEXTURE_ENV_COLOR: { 313 GLubyte c[4]; 314 GLuint envColor; 315 _mesa_unclamped_float_rgba_to_ubyte(c, texUnit->EnvColor); 316 envColor = radeonPackColor( 4, c[0], c[1], c[2], c[3] ); 317 if ( rmesa->hw.tf.cmd[TF_TFACTOR_0 + unit] != envColor ) { 318 R200_STATECHANGE( rmesa, tf ); 319 rmesa->hw.tf.cmd[TF_TFACTOR_0 + unit] = envColor; 320 } 321 break; 322 } 323 324 case GL_TEXTURE_LOD_BIAS_EXT: { 325 GLfloat bias, min; 326 GLuint b; 327 const int fixed_one = R200_LOD_BIAS_FIXED_ONE; 328 329 /* The R200's LOD bias is a signed 2's complement value with a 330 * range of -16.0 <= bias < 16.0. 331 * 332 * NOTE: Add a small bias to the bias for conform mipsel.c test. 333 */ 334 bias = *param; 335 min = driQueryOptionb (&rmesa->radeon.optionCache, "no_neg_lod_bias") ? 336 0.0 : -16.0; 337 bias = CLAMP( bias, min, 16.0 ); 338 b = ((int)(bias * fixed_one) 339 + R200_LOD_BIAS_CORRECTION) & R200_LOD_BIAS_MASK; 340 341 if ( (rmesa->hw.tex[unit].cmd[TEX_PP_TXFORMAT_X] & R200_LOD_BIAS_MASK) != b ) { 342 R200_STATECHANGE( rmesa, tex[unit] ); 343 rmesa->hw.tex[unit].cmd[TEX_PP_TXFORMAT_X] &= ~R200_LOD_BIAS_MASK; 344 rmesa->hw.tex[unit].cmd[TEX_PP_TXFORMAT_X] |= b; 345 } 346 break; 347 } 348 case GL_COORD_REPLACE_ARB: 349 if (ctx->Point.PointSprite) { 350 R200_STATECHANGE( rmesa, spr ); 351 if ((GLenum)param[0]) { 352 rmesa->hw.spr.cmd[SPR_POINT_SPRITE_CNTL] |= R200_PS_GEN_TEX_0 << unit; 353 } else { 354 rmesa->hw.spr.cmd[SPR_POINT_SPRITE_CNTL] &= ~(R200_PS_GEN_TEX_0 << unit); 355 } 356 } 357 break; 358 default: 359 return; 360 } 361} 362 363void r200TexUpdateParameters(struct gl_context *ctx, GLuint unit) 364{ 365 struct gl_sampler_object *samp = _mesa_get_samplerobj(ctx, unit); 366 radeonTexObj* t = radeon_tex_obj(ctx->Texture.Unit[unit]._Current); 367 368 r200SetTexMaxAnisotropy(t , samp->Attrib.MaxAnisotropy); 369 r200SetTexFilter(t, samp->Attrib.MinFilter, samp->Attrib.MagFilter); 370 r200SetTexWrap(t, samp->Attrib.WrapS, samp->Attrib.WrapT, samp->Attrib.WrapR); 371 r200SetTexBorderColor(t, samp->Attrib.state.border_color.f); 372} 373 374/** 375 * Changes variables and flags for a state update, which will happen at the 376 * next UpdateTextureState 377 */ 378static void r200TexParameter(struct gl_context *ctx, 379 struct gl_texture_object *texObj, 380 GLenum pname) 381{ 382 radeonTexObj* t = radeon_tex_obj(texObj); 383 384 radeon_print(RADEON_TEXTURE | RADEON_STATE, RADEON_VERBOSE, 385 "%s(%p, tex %p) pname %s\n", 386 __func__, ctx, texObj, 387 _mesa_enum_to_string( pname ) ); 388 389 switch ( pname ) { 390 case GL_ALL_ATTRIB_BITS: /* meaning is all pnames, internal */ 391 case GL_TEXTURE_MIN_FILTER: 392 case GL_TEXTURE_MAG_FILTER: 393 case GL_TEXTURE_MAX_ANISOTROPY_EXT: 394 case GL_TEXTURE_WRAP_S: 395 case GL_TEXTURE_WRAP_T: 396 case GL_TEXTURE_WRAP_R: 397 case GL_TEXTURE_BORDER_COLOR: 398 case GL_TEXTURE_BASE_LEVEL: 399 case GL_TEXTURE_MAX_LEVEL: 400 case GL_TEXTURE_MIN_LOD: 401 case GL_TEXTURE_MAX_LOD: 402 t->validated = GL_FALSE; 403 break; 404 405 default: 406 return; 407 } 408} 409 410 411static void r200DeleteTexture(struct gl_context * ctx, struct gl_texture_object *texObj) 412{ 413 r200ContextPtr rmesa = R200_CONTEXT(ctx); 414 radeonTexObj* t = radeon_tex_obj(texObj); 415 416 radeon_print(RADEON_TEXTURE | RADEON_STATE, RADEON_NORMAL, 417 "%s( %p (target = %s) )\n", __func__, 418 (void *)texObj, 419 _mesa_enum_to_string(texObj->Target)); 420 421 if (rmesa) { 422 int i; 423 radeon_firevertices(&rmesa->radeon); 424 for ( i = 0 ; i < rmesa->radeon.glCtx.Const.MaxTextureUnits ; i++ ) { 425 if ( t == rmesa->state.texture.unit[i].texobj ) { 426 rmesa->state.texture.unit[i].texobj = NULL; 427 rmesa->hw.tex[i].dirty = GL_FALSE; 428 rmesa->hw.cube[i].dirty = GL_FALSE; 429 } 430 } 431 } 432 433 radeon_miptree_unreference(&t->mt); 434 435 _mesa_delete_texture_object(ctx, texObj); 436} 437 438/* Need: 439 * - Same GEN_MODE for all active bits 440 * - Same EyePlane/ObjPlane for all active bits when using Eye/Obj 441 * - STRQ presumably all supported (matrix means incoming R values 442 * can end up in STQ, this has implications for vertex support, 443 * presumably ok if maos is used, though?) 444 * 445 * Basically impossible to do this on the fly - just collect some 446 * basic info & do the checks from ValidateState(). 447 */ 448static void r200TexGen( struct gl_context *ctx, 449 GLenum coord, 450 GLenum pname, 451 const GLfloat *params ) 452{ 453 r200ContextPtr rmesa = R200_CONTEXT(ctx); 454 GLuint unit = ctx->Texture.CurrentUnit; 455 rmesa->recheck_texgen[unit] = GL_TRUE; 456} 457 458 459/** 460 * Allocate a new texture object. 461 * Called via ctx->Driver.NewTextureObject. 462 * Note: this function will be called during context creation to 463 * allocate the default texture objects. 464 * Fixup MaxAnisotropy according to user preference. 465 */ 466static struct gl_texture_object *r200NewTextureObject(struct gl_context * ctx, 467 GLuint name, 468 GLenum target) 469{ 470 r200ContextPtr rmesa = R200_CONTEXT(ctx); 471 radeonTexObj* t = CALLOC_STRUCT(radeon_tex_obj); 472 473 474 radeon_print(RADEON_STATE | RADEON_TEXTURE, RADEON_NORMAL, 475 "%s(%p) target %s, new texture %p.\n", 476 __func__, ctx, 477 _mesa_enum_to_string(target), t); 478 479 _mesa_initialize_texture_object(ctx, &t->base, name, target); 480 t->base.Sampler.Attrib.MaxAnisotropy = rmesa->radeon.initialMaxAnisotropy; 481 482 /* Initialize hardware state */ 483 r200SetTexWrap( t, t->base.Sampler.Attrib.WrapS, t->base.Sampler.Attrib.WrapT, t->base.Sampler.Attrib.WrapR ); 484 r200SetTexMaxAnisotropy( t, t->base.Sampler.Attrib.MaxAnisotropy ); 485 r200SetTexFilter(t, t->base.Sampler.Attrib.MinFilter, t->base.Sampler.Attrib.MagFilter); 486 r200SetTexBorderColor(t, t->base.Sampler.Attrib.state.border_color.f); 487 488 return &t->base; 489} 490 491static struct gl_sampler_object * 492r200NewSamplerObject(struct gl_context *ctx, GLuint name) 493{ 494 r200ContextPtr rmesa = R200_CONTEXT(ctx); 495 struct gl_sampler_object *samp = _mesa_new_sampler_object(ctx, name); 496 if (samp) 497 samp->Attrib.MaxAnisotropy = rmesa->radeon.initialMaxAnisotropy; 498 return samp; 499} 500 501 502 503void r200InitTextureFuncs( radeonContextPtr radeon, struct dd_function_table *functions ) 504{ 505 /* Note: we only plug in the functions we implement in the driver 506 * since _mesa_init_driver_functions() was already called. 507 */ 508 509 radeon_init_common_texture_funcs(radeon, functions); 510 511 functions->NewTextureObject = r200NewTextureObject; 512 // functions->BindTexture = r200BindTexture; 513 functions->DeleteTexture = r200DeleteTexture; 514 515 functions->TexEnv = r200TexEnv; 516 functions->TexParameter = r200TexParameter; 517 functions->TexGen = r200TexGen; 518 functions->NewSamplerObject = r200NewSamplerObject; 519} 520