1 /* 2 Copyright (C) The Weather Channel, Inc. 2002. All Rights Reserved. 3 4 The Weather Channel (TM) funded Tungsten Graphics to develop the 5 initial release of the Radeon 8500 driver under the XFree86 license. 6 This notice must be preserved. 7 8 Permission is hereby granted, free of charge, to any person obtaining 9 a copy of this software and associated documentation files (the 10 "Software"), to deal in the Software without restriction, including 11 without limitation the rights to use, copy, modify, merge, publish, 12 distribute, sublicense, and/or sell copies of the Software, and to 13 permit persons to whom the Software is furnished to do so, subject to 14 the following conditions: 15 16 The above copyright notice and this permission notice (including the 17 next paragraph) shall be included in all copies or substantial 18 portions of the Software. 19 20 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 21 EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 22 MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 23 IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE 24 LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION 25 OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION 26 WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 27 */ 28 29 /* 30 * Authors: 31 * Keith Whitwell <keith (at) tungstengraphics.com> 32 */ 33 34 #include "main/glheader.h" 35 #include "main/imports.h" 36 #include "main/colormac.h" 37 #include "main/context.h" 38 #include "main/enums.h" 39 #include "main/image.h" 40 #include "main/mfeatures.h" 41 #include "main/simple_list.h" 42 #include "main/teximage.h" 43 #include "main/texobj.h" 44 #include "main/samplerobj.h" 45 46 #include "radeon_mipmap_tree.h" 47 #include "r200_context.h" 48 #include "r200_ioctl.h" 49 #include "r200_tex.h" 50 51 #include "xmlpool.h" 52 53 54 55 /** 56 * Set the texture wrap modes. 57 * 58 * \param t Texture object whose wrap modes are to be set 59 * \param swrap Wrap mode for the \a s texture coordinate 60 * \param twrap Wrap mode for the \a t texture coordinate 61 */ 62 63 static void r200SetTexWrap( radeonTexObjPtr t, GLenum swrap, GLenum twrap, GLenum rwrap ) 64 { 65 GLboolean is_clamp = GL_FALSE; 66 GLboolean is_clamp_to_border = GL_FALSE; 67 struct gl_texture_object *tObj = &t->base; 68 69 radeon_print(RADEON_TEXTURE, RADEON_TRACE, 70 "%s(tex %p) sw %s, tw %s, rw %s\n", 71 __func__, t, 72 _mesa_lookup_enum_by_nr(swrap), 73 _mesa_lookup_enum_by_nr(twrap), 74 _mesa_lookup_enum_by_nr(rwrap)); 75 76 t->pp_txfilter &= ~(R200_CLAMP_S_MASK | R200_CLAMP_T_MASK | R200_BORDER_MODE_D3D); 77 78 switch ( swrap ) { 79 case GL_REPEAT: 80 t->pp_txfilter |= R200_CLAMP_S_WRAP; 81 break; 82 case GL_CLAMP: 83 t->pp_txfilter |= R200_CLAMP_S_CLAMP_GL; 84 is_clamp = GL_TRUE; 85 break; 86 case GL_CLAMP_TO_EDGE: 87 t->pp_txfilter |= R200_CLAMP_S_CLAMP_LAST; 88 break; 89 case GL_CLAMP_TO_BORDER: 90 t->pp_txfilter |= R200_CLAMP_S_CLAMP_GL; 91 is_clamp_to_border = GL_TRUE; 92 break; 93 case GL_MIRRORED_REPEAT: 94 t->pp_txfilter |= R200_CLAMP_S_MIRROR; 95 break; 96 case GL_MIRROR_CLAMP_EXT: 97 t->pp_txfilter |= R200_CLAMP_S_MIRROR_CLAMP_GL; 98 is_clamp = GL_TRUE; 99 break; 100 case GL_MIRROR_CLAMP_TO_EDGE_EXT: 101 t->pp_txfilter |= R200_CLAMP_S_MIRROR_CLAMP_LAST; 102 break; 103 case GL_MIRROR_CLAMP_TO_BORDER_EXT: 104 t->pp_txfilter |= R200_CLAMP_S_MIRROR_CLAMP_GL; 105 is_clamp_to_border = GL_TRUE; 106 break; 107 default: 108 _mesa_problem(NULL, "bad S wrap mode in %s", __FUNCTION__); 109 } 110 111 if (tObj->Target != GL_TEXTURE_1D) { 112 switch ( twrap ) { 113 case GL_REPEAT: 114 t->pp_txfilter |= R200_CLAMP_T_WRAP; 115 break; 116 case GL_CLAMP: 117 t->pp_txfilter |= R200_CLAMP_T_CLAMP_GL; 118 is_clamp = GL_TRUE; 119 break; 120 case GL_CLAMP_TO_EDGE: 121 t->pp_txfilter |= R200_CLAMP_T_CLAMP_LAST; 122 break; 123 case GL_CLAMP_TO_BORDER: 124 t->pp_txfilter |= R200_CLAMP_T_CLAMP_GL; 125 is_clamp_to_border = GL_TRUE; 126 break; 127 case GL_MIRRORED_REPEAT: 128 t->pp_txfilter |= R200_CLAMP_T_MIRROR; 129 break; 130 case GL_MIRROR_CLAMP_EXT: 131 t->pp_txfilter |= R200_CLAMP_T_MIRROR_CLAMP_GL; 132 is_clamp = GL_TRUE; 133 break; 134 case GL_MIRROR_CLAMP_TO_EDGE_EXT: 135 t->pp_txfilter |= R200_CLAMP_T_MIRROR_CLAMP_LAST; 136 break; 137 case GL_MIRROR_CLAMP_TO_BORDER_EXT: 138 t->pp_txfilter |= R200_CLAMP_T_MIRROR_CLAMP_GL; 139 is_clamp_to_border = GL_TRUE; 140 break; 141 default: 142 _mesa_problem(NULL, "bad T wrap mode in %s", __FUNCTION__); 143 } 144 } 145 146 t->pp_txformat_x &= ~R200_CLAMP_Q_MASK; 147 148 switch ( rwrap ) { 149 case GL_REPEAT: 150 t->pp_txformat_x |= R200_CLAMP_Q_WRAP; 151 break; 152 case GL_CLAMP: 153 t->pp_txformat_x |= R200_CLAMP_Q_CLAMP_GL; 154 is_clamp = GL_TRUE; 155 break; 156 case GL_CLAMP_TO_EDGE: 157 t->pp_txformat_x |= R200_CLAMP_Q_CLAMP_LAST; 158 break; 159 case GL_CLAMP_TO_BORDER: 160 t->pp_txformat_x |= R200_CLAMP_Q_CLAMP_GL; 161 is_clamp_to_border = GL_TRUE; 162 break; 163 case GL_MIRRORED_REPEAT: 164 t->pp_txformat_x |= R200_CLAMP_Q_MIRROR; 165 break; 166 case GL_MIRROR_CLAMP_EXT: 167 t->pp_txformat_x |= R200_CLAMP_Q_MIRROR_CLAMP_GL; 168 is_clamp = GL_TRUE; 169 break; 170 case GL_MIRROR_CLAMP_TO_EDGE_EXT: 171 t->pp_txformat_x |= R200_CLAMP_Q_MIRROR_CLAMP_LAST; 172 break; 173 case GL_MIRROR_CLAMP_TO_BORDER_EXT: 174 t->pp_txformat_x |= R200_CLAMP_Q_MIRROR_CLAMP_GL; 175 is_clamp_to_border = GL_TRUE; 176 break; 177 default: 178 _mesa_problem(NULL, "bad R wrap mode in %s", __FUNCTION__); 179 } 180 181 if ( is_clamp_to_border ) { 182 t->pp_txfilter |= R200_BORDER_MODE_D3D; 183 } 184 185 t->border_fallback = (is_clamp && is_clamp_to_border); 186 } 187 188 static void r200SetTexMaxAnisotropy( radeonTexObjPtr t, GLfloat max ) 189 { 190 t->pp_txfilter &= ~R200_MAX_ANISO_MASK; 191 radeon_print(RADEON_TEXTURE, RADEON_TRACE, 192 "%s(tex %p) max %f.\n", 193 __func__, t, max); 194 195 if ( max <= 1.0 ) { 196 t->pp_txfilter |= R200_MAX_ANISO_1_TO_1; 197 } else if ( max <= 2.0 ) { 198 t->pp_txfilter |= R200_MAX_ANISO_2_TO_1; 199 } else if ( max <= 4.0 ) { 200 t->pp_txfilter |= R200_MAX_ANISO_4_TO_1; 201 } else if ( max <= 8.0 ) { 202 t->pp_txfilter |= R200_MAX_ANISO_8_TO_1; 203 } else { 204 t->pp_txfilter |= R200_MAX_ANISO_16_TO_1; 205 } 206 } 207 208 /** 209 * Set the texture magnification and minification modes. 210 * 211 * \param t Texture whose filter modes are to be set 212 * \param minf Texture minification mode 213 * \param magf Texture magnification mode 214 */ 215 216 static void r200SetTexFilter( radeonTexObjPtr t, GLenum minf, GLenum magf ) 217 { 218 GLuint anisotropy = (t->pp_txfilter & R200_MAX_ANISO_MASK); 219 220 /* Force revalidation to account for switches from/to mipmapping. */ 221 t->validated = GL_FALSE; 222 223 t->pp_txfilter &= ~(R200_MIN_FILTER_MASK | R200_MAG_FILTER_MASK); 224 t->pp_txformat_x &= ~R200_VOLUME_FILTER_MASK; 225 226 radeon_print(RADEON_TEXTURE, RADEON_TRACE, 227 "%s(tex %p) minf %s, maxf %s, anisotropy %d.\n", 228 __func__, t, 229 _mesa_lookup_enum_by_nr(minf), 230 _mesa_lookup_enum_by_nr(magf), 231 anisotropy); 232 233 if ( anisotropy == R200_MAX_ANISO_1_TO_1 ) { 234 switch ( minf ) { 235 case GL_NEAREST: 236 t->pp_txfilter |= R200_MIN_FILTER_NEAREST; 237 break; 238 case GL_LINEAR: 239 t->pp_txfilter |= R200_MIN_FILTER_LINEAR; 240 break; 241 case GL_NEAREST_MIPMAP_NEAREST: 242 t->pp_txfilter |= R200_MIN_FILTER_NEAREST_MIP_NEAREST; 243 break; 244 case GL_NEAREST_MIPMAP_LINEAR: 245 t->pp_txfilter |= R200_MIN_FILTER_LINEAR_MIP_NEAREST; 246 break; 247 case GL_LINEAR_MIPMAP_NEAREST: 248 t->pp_txfilter |= R200_MIN_FILTER_NEAREST_MIP_LINEAR; 249 break; 250 case GL_LINEAR_MIPMAP_LINEAR: 251 t->pp_txfilter |= R200_MIN_FILTER_LINEAR_MIP_LINEAR; 252 break; 253 } 254 } else { 255 switch ( minf ) { 256 case GL_NEAREST: 257 t->pp_txfilter |= R200_MIN_FILTER_ANISO_NEAREST; 258 break; 259 case GL_LINEAR: 260 t->pp_txfilter |= R200_MIN_FILTER_ANISO_LINEAR; 261 break; 262 case GL_NEAREST_MIPMAP_NEAREST: 263 case GL_LINEAR_MIPMAP_NEAREST: 264 t->pp_txfilter |= R200_MIN_FILTER_ANISO_NEAREST_MIP_NEAREST; 265 break; 266 case GL_NEAREST_MIPMAP_LINEAR: 267 case GL_LINEAR_MIPMAP_LINEAR: 268 t->pp_txfilter |= R200_MIN_FILTER_ANISO_NEAREST_MIP_LINEAR; 269 break; 270 } 271 } 272 273 /* Note we don't have 3D mipmaps so only use the mag filter setting 274 * to set the 3D texture filter mode. 275 */ 276 switch ( magf ) { 277 case GL_NEAREST: 278 t->pp_txfilter |= R200_MAG_FILTER_NEAREST; 279 t->pp_txformat_x |= R200_VOLUME_FILTER_NEAREST; 280 break; 281 case GL_LINEAR: 282 t->pp_txfilter |= R200_MAG_FILTER_LINEAR; 283 t->pp_txformat_x |= R200_VOLUME_FILTER_LINEAR; 284 break; 285 } 286 } 287 288 static void r200SetTexBorderColor( radeonTexObjPtr t, const GLfloat color[4] ) 289 { 290 GLubyte c[4]; 291 CLAMPED_FLOAT_TO_UBYTE(c[0], color[0]); 292 CLAMPED_FLOAT_TO_UBYTE(c[1], color[1]); 293 CLAMPED_FLOAT_TO_UBYTE(c[2], color[2]); 294 CLAMPED_FLOAT_TO_UBYTE(c[3], color[3]); 295 t->pp_border_color = radeonPackColor( 4, c[0], c[1], c[2], c[3] ); 296 } 297 298 static void r200TexEnv( struct gl_context *ctx, GLenum target, 299 GLenum pname, const GLfloat *param ) 300 { 301 r200ContextPtr rmesa = R200_CONTEXT(ctx); 302 GLuint unit = ctx->Texture.CurrentUnit; 303 struct gl_texture_unit *texUnit = &ctx->Texture.Unit[unit]; 304 305 radeon_print(RADEON_TEXTURE | RADEON_STATE, RADEON_VERBOSE, "%s( %s )\n", 306 __FUNCTION__, _mesa_lookup_enum_by_nr( pname ) ); 307 308 /* This is incorrect: Need to maintain this data for each of 309 * GL_TEXTURE_{123}D, GL_TEXTURE_RECTANGLE_NV, etc, and switch 310 * between them according to _ReallyEnabled. 311 */ 312 switch ( pname ) { 313 case GL_TEXTURE_ENV_COLOR: { 314 GLubyte c[4]; 315 GLuint envColor; 316 _mesa_unclamped_float_rgba_to_ubyte(c, texUnit->EnvColor); 317 envColor = radeonPackColor( 4, c[0], c[1], c[2], c[3] ); 318 if ( rmesa->hw.tf.cmd[TF_TFACTOR_0 + unit] != envColor ) { 319 R200_STATECHANGE( rmesa, tf ); 320 rmesa->hw.tf.cmd[TF_TFACTOR_0 + unit] = envColor; 321 } 322 break; 323 } 324 325 case GL_TEXTURE_LOD_BIAS_EXT: { 326 GLfloat bias, min; 327 GLuint b; 328 const int fixed_one = R200_LOD_BIAS_FIXED_ONE; 329 330 /* The R200's LOD bias is a signed 2's complement value with a 331 * range of -16.0 <= bias < 16.0. 332 * 333 * NOTE: Add a small bias to the bias for conform mipsel.c test. 334 */ 335 bias = *param; 336 min = driQueryOptionb (&rmesa->radeon.optionCache, "no_neg_lod_bias") ? 337 0.0 : -16.0; 338 bias = CLAMP( bias, min, 16.0 ); 339 b = ((int)(bias * fixed_one) 340 + R200_LOD_BIAS_CORRECTION) & R200_LOD_BIAS_MASK; 341 342 if ( (rmesa->hw.tex[unit].cmd[TEX_PP_TXFORMAT_X] & R200_LOD_BIAS_MASK) != b ) { 343 R200_STATECHANGE( rmesa, tex[unit] ); 344 rmesa->hw.tex[unit].cmd[TEX_PP_TXFORMAT_X] &= ~R200_LOD_BIAS_MASK; 345 rmesa->hw.tex[unit].cmd[TEX_PP_TXFORMAT_X] |= b; 346 } 347 break; 348 } 349 case GL_COORD_REPLACE_ARB: 350 if (ctx->Point.PointSprite) { 351 R200_STATECHANGE( rmesa, spr ); 352 if ((GLenum)param[0]) { 353 rmesa->hw.spr.cmd[SPR_POINT_SPRITE_CNTL] |= R200_PS_GEN_TEX_0 << unit; 354 } else { 355 rmesa->hw.spr.cmd[SPR_POINT_SPRITE_CNTL] &= ~(R200_PS_GEN_TEX_0 << unit); 356 } 357 } 358 break; 359 default: 360 return; 361 } 362 } 363 364 void r200TexUpdateParameters(struct gl_context *ctx, GLuint unit) 365 { 366 struct gl_sampler_object *samp = _mesa_get_samplerobj(ctx, unit); 367 radeonTexObj* t = radeon_tex_obj(ctx->Texture.Unit[unit]._Current); 368 369 r200SetTexMaxAnisotropy(t , samp->MaxAnisotropy); 370 r200SetTexFilter(t, samp->MinFilter, samp->MagFilter); 371 r200SetTexWrap(t, samp->WrapS, samp->WrapT, samp->WrapR); 372 r200SetTexBorderColor(t, samp->BorderColor.f); 373 } 374 375 /** 376 * Changes variables and flags for a state update, which will happen at the 377 * next UpdateTextureState 378 */ 379 static void r200TexParameter( struct gl_context *ctx, GLenum target, 380 struct gl_texture_object *texObj, 381 GLenum pname, const GLfloat *params ) 382 { 383 radeonTexObj* t = radeon_tex_obj(texObj); 384 385 radeon_print(RADEON_TEXTURE | RADEON_STATE, RADEON_VERBOSE, 386 "%s(%p, tex %p) target %s, pname %s\n", 387 __FUNCTION__, ctx, texObj, 388 _mesa_lookup_enum_by_nr( target ), 389 _mesa_lookup_enum_by_nr( pname ) ); 390 391 switch ( pname ) { 392 case GL_TEXTURE_MIN_FILTER: 393 case GL_TEXTURE_MAG_FILTER: 394 case GL_TEXTURE_MAX_ANISOTROPY_EXT: 395 case GL_TEXTURE_WRAP_S: 396 case GL_TEXTURE_WRAP_T: 397 case GL_TEXTURE_WRAP_R: 398 case GL_TEXTURE_BORDER_COLOR: 399 case GL_TEXTURE_BASE_LEVEL: 400 case GL_TEXTURE_MAX_LEVEL: 401 case GL_TEXTURE_MIN_LOD: 402 case GL_TEXTURE_MAX_LOD: 403 t->validated = GL_FALSE; 404 break; 405 406 default: 407 return; 408 } 409 } 410 411 412 static void r200DeleteTexture(struct gl_context * ctx, struct gl_texture_object *texObj) 413 { 414 r200ContextPtr rmesa = R200_CONTEXT(ctx); 415 radeonTexObj* t = radeon_tex_obj(texObj); 416 417 radeon_print(RADEON_TEXTURE | RADEON_STATE, RADEON_NORMAL, 418 "%s( %p (target = %s) )\n", __FUNCTION__, 419 (void *)texObj, 420 _mesa_lookup_enum_by_nr(texObj->Target)); 421 422 if (rmesa) { 423 int i; 424 radeon_firevertices(&rmesa->radeon); 425 for ( i = 0 ; i < rmesa->radeon.glCtx->Const.MaxTextureUnits ; i++ ) { 426 if ( t == rmesa->state.texture.unit[i].texobj ) { 427 rmesa->state.texture.unit[i].texobj = NULL; 428 rmesa->hw.tex[i].dirty = GL_FALSE; 429 rmesa->hw.cube[i].dirty = GL_FALSE; 430 } 431 } 432 } 433 434 radeon_miptree_unreference(&t->mt); 435 436 _mesa_delete_texture_object(ctx, texObj); 437 } 438 439 /* Need: 440 * - Same GEN_MODE for all active bits 441 * - Same EyePlane/ObjPlane for all active bits when using Eye/Obj 442 * - STRQ presumably all supported (matrix means incoming R values 443 * can end up in STQ, this has implications for vertex support, 444 * presumably ok if maos is used, though?) 445 * 446 * Basically impossible to do this on the fly - just collect some 447 * basic info & do the checks from ValidateState(). 448 */ 449 static void r200TexGen( struct gl_context *ctx, 450 GLenum coord, 451 GLenum pname, 452 const GLfloat *params ) 453 { 454 r200ContextPtr rmesa = R200_CONTEXT(ctx); 455 GLuint unit = ctx->Texture.CurrentUnit; 456 rmesa->recheck_texgen[unit] = GL_TRUE; 457 } 458 459 460 /** 461 * Allocate a new texture object. 462 * Called via ctx->Driver.NewTextureObject. 463 * Note: this function will be called during context creation to 464 * allocate the default texture objects. 465 * Fixup MaxAnisotropy according to user preference. 466 */ 467 static struct gl_texture_object *r200NewTextureObject(struct gl_context * ctx, 468 GLuint name, 469 GLenum target) 470 { 471 r200ContextPtr rmesa = R200_CONTEXT(ctx); 472 radeonTexObj* t = CALLOC_STRUCT(radeon_tex_obj); 473 474 475 radeon_print(RADEON_STATE | RADEON_TEXTURE, RADEON_NORMAL, 476 "%s(%p) target %s, new texture %p.\n", 477 __FUNCTION__, ctx, 478 _mesa_lookup_enum_by_nr(target), t); 479 480 _mesa_initialize_texture_object(&t->base, name, target); 481 t->base.Sampler.MaxAnisotropy = rmesa->radeon.initialMaxAnisotropy; 482 483 /* Initialize hardware state */ 484 r200SetTexWrap( t, t->base.Sampler.WrapS, t->base.Sampler.WrapT, t->base.Sampler.WrapR ); 485 r200SetTexMaxAnisotropy( t, t->base.Sampler.MaxAnisotropy ); 486 r200SetTexFilter(t, t->base.Sampler.MinFilter, t->base.Sampler.MagFilter); 487 r200SetTexBorderColor(t, t->base.Sampler.BorderColor.f); 488 489 return &t->base; 490 } 491 492 static struct gl_sampler_object * 493 r200NewSamplerObject(struct gl_context *ctx, GLuint name) 494 { 495 r200ContextPtr rmesa = R200_CONTEXT(ctx); 496 struct gl_sampler_object *samp = _mesa_new_sampler_object(ctx, name); 497 if (samp) 498 samp->MaxAnisotropy = rmesa->radeon.initialMaxAnisotropy; 499 return samp; 500 } 501 502 503 504 void r200InitTextureFuncs( radeonContextPtr radeon, struct dd_function_table *functions ) 505 { 506 /* Note: we only plug in the functions we implement in the driver 507 * since _mesa_init_driver_functions() was already called. 508 */ 509 510 radeon_init_common_texture_funcs(radeon, functions); 511 512 functions->NewTextureObject = r200NewTextureObject; 513 // functions->BindTexture = r200BindTexture; 514 functions->DeleteTexture = r200DeleteTexture; 515 516 functions->TexEnv = r200TexEnv; 517 functions->TexParameter = r200TexParameter; 518 functions->TexGen = r200TexGen; 519 functions->NewSamplerObject = r200NewSamplerObject; 520 } 521
