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@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
r200SetTexWrap(radeonTexObjPtr t,GLenum swrap,GLenum twrap,GLenum rwrap)61 static 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
r200SetTexMaxAnisotropy(radeonTexObjPtr t,GLfloat max)186 static 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
r200SetTexFilter(radeonTexObjPtr t,GLenum minf,GLenum magf)214 static 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
r200SetTexBorderColor(radeonTexObjPtr t,const GLfloat color[4])286 static 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
r200TexEnv(struct gl_context * ctx,GLenum target,GLenum pname,const GLfloat * param)296 static 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
r200TexUpdateParameters(struct gl_context * ctx,GLuint unit)363 void 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->MaxAnisotropy);
369 r200SetTexFilter(t, samp->MinFilter, samp->MagFilter);
370 r200SetTexWrap(t, samp->WrapS, samp->WrapT, samp->WrapR);
371 r200SetTexBorderColor(t, samp->BorderColor.f);
372 }
373
374 /**
375 * Changes variables and flags for a state update, which will happen at the
376 * next UpdateTextureState
377 */
r200TexParameter(struct gl_context * ctx,struct gl_texture_object * texObj,GLenum pname)378 static 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_TEXTURE_MIN_FILTER:
391 case GL_TEXTURE_MAG_FILTER:
392 case GL_TEXTURE_MAX_ANISOTROPY_EXT:
393 case GL_TEXTURE_WRAP_S:
394 case GL_TEXTURE_WRAP_T:
395 case GL_TEXTURE_WRAP_R:
396 case GL_TEXTURE_BORDER_COLOR:
397 case GL_TEXTURE_BASE_LEVEL:
398 case GL_TEXTURE_MAX_LEVEL:
399 case GL_TEXTURE_MIN_LOD:
400 case GL_TEXTURE_MAX_LOD:
401 t->validated = GL_FALSE;
402 break;
403
404 default:
405 return;
406 }
407 }
408
409
r200DeleteTexture(struct gl_context * ctx,struct gl_texture_object * texObj)410 static void r200DeleteTexture(struct gl_context * ctx, struct gl_texture_object *texObj)
411 {
412 r200ContextPtr rmesa = R200_CONTEXT(ctx);
413 radeonTexObj* t = radeon_tex_obj(texObj);
414
415 radeon_print(RADEON_TEXTURE | RADEON_STATE, RADEON_NORMAL,
416 "%s( %p (target = %s) )\n", __func__,
417 (void *)texObj,
418 _mesa_enum_to_string(texObj->Target));
419
420 if (rmesa) {
421 int i;
422 radeon_firevertices(&rmesa->radeon);
423 for ( i = 0 ; i < rmesa->radeon.glCtx.Const.MaxTextureUnits ; i++ ) {
424 if ( t == rmesa->state.texture.unit[i].texobj ) {
425 rmesa->state.texture.unit[i].texobj = NULL;
426 rmesa->hw.tex[i].dirty = GL_FALSE;
427 rmesa->hw.cube[i].dirty = GL_FALSE;
428 }
429 }
430 }
431
432 radeon_miptree_unreference(&t->mt);
433
434 _mesa_delete_texture_object(ctx, texObj);
435 }
436
437 /* Need:
438 * - Same GEN_MODE for all active bits
439 * - Same EyePlane/ObjPlane for all active bits when using Eye/Obj
440 * - STRQ presumably all supported (matrix means incoming R values
441 * can end up in STQ, this has implications for vertex support,
442 * presumably ok if maos is used, though?)
443 *
444 * Basically impossible to do this on the fly - just collect some
445 * basic info & do the checks from ValidateState().
446 */
r200TexGen(struct gl_context * ctx,GLenum coord,GLenum pname,const GLfloat * params)447 static void r200TexGen( struct gl_context *ctx,
448 GLenum coord,
449 GLenum pname,
450 const GLfloat *params )
451 {
452 r200ContextPtr rmesa = R200_CONTEXT(ctx);
453 GLuint unit = ctx->Texture.CurrentUnit;
454 rmesa->recheck_texgen[unit] = GL_TRUE;
455 }
456
457
458 /**
459 * Allocate a new texture object.
460 * Called via ctx->Driver.NewTextureObject.
461 * Note: this function will be called during context creation to
462 * allocate the default texture objects.
463 * Fixup MaxAnisotropy according to user preference.
464 */
r200NewTextureObject(struct gl_context * ctx,GLuint name,GLenum target)465 static struct gl_texture_object *r200NewTextureObject(struct gl_context * ctx,
466 GLuint name,
467 GLenum target)
468 {
469 r200ContextPtr rmesa = R200_CONTEXT(ctx);
470 radeonTexObj* t = CALLOC_STRUCT(radeon_tex_obj);
471
472
473 radeon_print(RADEON_STATE | RADEON_TEXTURE, RADEON_NORMAL,
474 "%s(%p) target %s, new texture %p.\n",
475 __func__, ctx,
476 _mesa_enum_to_string(target), t);
477
478 _mesa_initialize_texture_object(ctx, &t->base, name, target);
479 t->base.Sampler.MaxAnisotropy = rmesa->radeon.initialMaxAnisotropy;
480
481 /* Initialize hardware state */
482 r200SetTexWrap( t, t->base.Sampler.WrapS, t->base.Sampler.WrapT, t->base.Sampler.WrapR );
483 r200SetTexMaxAnisotropy( t, t->base.Sampler.MaxAnisotropy );
484 r200SetTexFilter(t, t->base.Sampler.MinFilter, t->base.Sampler.MagFilter);
485 r200SetTexBorderColor(t, t->base.Sampler.BorderColor.f);
486
487 return &t->base;
488 }
489
490 static struct gl_sampler_object *
r200NewSamplerObject(struct gl_context * ctx,GLuint name)491 r200NewSamplerObject(struct gl_context *ctx, GLuint name)
492 {
493 r200ContextPtr rmesa = R200_CONTEXT(ctx);
494 struct gl_sampler_object *samp = _mesa_new_sampler_object(ctx, name);
495 if (samp)
496 samp->MaxAnisotropy = rmesa->radeon.initialMaxAnisotropy;
497 return samp;
498 }
499
500
501
r200InitTextureFuncs(radeonContextPtr radeon,struct dd_function_table * functions)502 void r200InitTextureFuncs( radeonContextPtr radeon, struct dd_function_table *functions )
503 {
504 /* Note: we only plug in the functions we implement in the driver
505 * since _mesa_init_driver_functions() was already called.
506 */
507
508 radeon_init_common_texture_funcs(radeon, functions);
509
510 functions->NewTextureObject = r200NewTextureObject;
511 // functions->BindTexture = r200BindTexture;
512 functions->DeleteTexture = r200DeleteTexture;
513
514 functions->TexEnv = r200TexEnv;
515 functions->TexParameter = r200TexParameter;
516 functions->TexGen = r200TexGen;
517 functions->NewSamplerObject = r200NewSamplerObject;
518 }
519