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