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radeon/r200: fix set tex offset functions
[mesa.git] / src / mesa / drivers / dri / r200 / r200_texstate.c
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 /*
31 * Authors:
32 * Keith Whitwell <keith@tungstengraphics.com>
33 */
34
35 #include "main/glheader.h"
36 #include "main/imports.h"
37 #include "main/context.h"
38 #include "main/macros.h"
39 #include "main/texformat.h"
40 #include "main/texobj.h"
41 #include "main/enums.h"
42
43 #include "radeon_common.h"
44 #include "radeon_mipmap_tree.h"
45 #include "r200_context.h"
46 #include "r200_state.h"
47 #include "r200_ioctl.h"
48 #include "r200_swtcl.h"
49 #include "r200_tex.h"
50 #include "r200_tcl.h"
51
52
53 #define R200_TXFORMAT_A8 R200_TXFORMAT_I8
54 #define R200_TXFORMAT_L8 R200_TXFORMAT_I8
55 #define R200_TXFORMAT_AL88 R200_TXFORMAT_AI88
56 #define R200_TXFORMAT_YCBCR R200_TXFORMAT_YVYU422
57 #define R200_TXFORMAT_YCBCR_REV R200_TXFORMAT_VYUY422
58 #define R200_TXFORMAT_RGB_DXT1 R200_TXFORMAT_DXT1
59 #define R200_TXFORMAT_RGBA_DXT1 R200_TXFORMAT_DXT1
60 #define R200_TXFORMAT_RGBA_DXT3 R200_TXFORMAT_DXT23
61 #define R200_TXFORMAT_RGBA_DXT5 R200_TXFORMAT_DXT45
62
63 #define _COLOR(f) \
64 [ MESA_FORMAT_ ## f ] = { R200_TXFORMAT_ ## f, 0 }
65 #define _COLOR_REV(f) \
66 [ MESA_FORMAT_ ## f ## _REV ] = { R200_TXFORMAT_ ## f, 0 }
67 #define _ALPHA(f) \
68 [ MESA_FORMAT_ ## f ] = { R200_TXFORMAT_ ## f | R200_TXFORMAT_ALPHA_IN_MAP, 0 }
69 #define _ALPHA_REV(f) \
70 [ MESA_FORMAT_ ## f ## _REV ] = { R200_TXFORMAT_ ## f | R200_TXFORMAT_ALPHA_IN_MAP, 0 }
71 #define _YUV(f) \
72 [ MESA_FORMAT_ ## f ] = { R200_TXFORMAT_ ## f, R200_YUV_TO_RGB }
73 #define _INVALID(f) \
74 [ MESA_FORMAT_ ## f ] = { 0xffffffff, 0 }
75 #define VALID_FORMAT(f) ( ((f) <= MESA_FORMAT_RGBA_DXT5) \
76 && (tx_table_be[f].format != 0xffffffff) )
77
78 struct tx_table {
79 GLuint format, filter;
80 };
81
82 static const struct tx_table tx_table_be[] =
83 {
84 [ MESA_FORMAT_RGBA8888 ] = { R200_TXFORMAT_ABGR8888 | R200_TXFORMAT_ALPHA_IN_MAP, 0 },
85 _ALPHA_REV(RGBA8888),
86 _ALPHA(ARGB8888),
87 _ALPHA_REV(ARGB8888),
88 _INVALID(RGB888),
89 _COLOR(RGB565),
90 _COLOR_REV(RGB565),
91 _ALPHA(ARGB4444),
92 _ALPHA_REV(ARGB4444),
93 _ALPHA(ARGB1555),
94 _ALPHA_REV(ARGB1555),
95 _ALPHA(AL88),
96 _ALPHA_REV(AL88),
97 _ALPHA(A8),
98 _COLOR(L8),
99 _ALPHA(I8),
100 _INVALID(CI8),
101 _YUV(YCBCR),
102 _YUV(YCBCR_REV),
103 _INVALID(RGB_FXT1),
104 _INVALID(RGBA_FXT1),
105 _COLOR(RGB_DXT1),
106 _ALPHA(RGBA_DXT1),
107 _ALPHA(RGBA_DXT3),
108 _ALPHA(RGBA_DXT5),
109 };
110
111 static const struct tx_table tx_table_le[] =
112 {
113 _ALPHA(RGBA8888),
114 [ MESA_FORMAT_RGBA8888_REV ] = { R200_TXFORMAT_ABGR8888 | R200_TXFORMAT_ALPHA_IN_MAP, 0 },
115 _ALPHA(ARGB8888),
116 _ALPHA_REV(ARGB8888),
117 [ MESA_FORMAT_RGB888 ] = { R200_TXFORMAT_ARGB8888, 0 },
118 _COLOR(RGB565),
119 _COLOR_REV(RGB565),
120 _ALPHA(ARGB4444),
121 _ALPHA_REV(ARGB4444),
122 _ALPHA(ARGB1555),
123 _ALPHA_REV(ARGB1555),
124 _ALPHA(AL88),
125 _ALPHA_REV(AL88),
126 _ALPHA(A8),
127 _COLOR(L8),
128 _ALPHA(I8),
129 _INVALID(CI8),
130 _YUV(YCBCR),
131 _YUV(YCBCR_REV),
132 _INVALID(RGB_FXT1),
133 _INVALID(RGBA_FXT1),
134 _COLOR(RGB_DXT1),
135 _ALPHA(RGBA_DXT1),
136 _ALPHA(RGBA_DXT3),
137 _ALPHA(RGBA_DXT5),
138 };
139
140 #undef _COLOR
141 #undef _ALPHA
142 #undef _INVALID
143
144 /* ================================================================
145 * Texture combine functions
146 */
147
148 /* GL_ARB_texture_env_combine support
149 */
150
151 /* The color tables have combine functions for GL_SRC_COLOR,
152 * GL_ONE_MINUS_SRC_COLOR, GL_SRC_ALPHA and GL_ONE_MINUS_SRC_ALPHA.
153 */
154 static GLuint r200_register_color[][R200_MAX_TEXTURE_UNITS] =
155 {
156 {
157 R200_TXC_ARG_A_R0_COLOR,
158 R200_TXC_ARG_A_R1_COLOR,
159 R200_TXC_ARG_A_R2_COLOR,
160 R200_TXC_ARG_A_R3_COLOR,
161 R200_TXC_ARG_A_R4_COLOR,
162 R200_TXC_ARG_A_R5_COLOR
163 },
164 {
165 R200_TXC_ARG_A_R0_COLOR | R200_TXC_COMP_ARG_A,
166 R200_TXC_ARG_A_R1_COLOR | R200_TXC_COMP_ARG_A,
167 R200_TXC_ARG_A_R2_COLOR | R200_TXC_COMP_ARG_A,
168 R200_TXC_ARG_A_R3_COLOR | R200_TXC_COMP_ARG_A,
169 R200_TXC_ARG_A_R4_COLOR | R200_TXC_COMP_ARG_A,
170 R200_TXC_ARG_A_R5_COLOR | R200_TXC_COMP_ARG_A
171 },
172 {
173 R200_TXC_ARG_A_R0_ALPHA,
174 R200_TXC_ARG_A_R1_ALPHA,
175 R200_TXC_ARG_A_R2_ALPHA,
176 R200_TXC_ARG_A_R3_ALPHA,
177 R200_TXC_ARG_A_R4_ALPHA,
178 R200_TXC_ARG_A_R5_ALPHA
179 },
180 {
181 R200_TXC_ARG_A_R0_ALPHA | R200_TXC_COMP_ARG_A,
182 R200_TXC_ARG_A_R1_ALPHA | R200_TXC_COMP_ARG_A,
183 R200_TXC_ARG_A_R2_ALPHA | R200_TXC_COMP_ARG_A,
184 R200_TXC_ARG_A_R3_ALPHA | R200_TXC_COMP_ARG_A,
185 R200_TXC_ARG_A_R4_ALPHA | R200_TXC_COMP_ARG_A,
186 R200_TXC_ARG_A_R5_ALPHA | R200_TXC_COMP_ARG_A
187 },
188 };
189
190 static GLuint r200_tfactor_color[] =
191 {
192 R200_TXC_ARG_A_TFACTOR_COLOR,
193 R200_TXC_ARG_A_TFACTOR_COLOR | R200_TXC_COMP_ARG_A,
194 R200_TXC_ARG_A_TFACTOR_ALPHA,
195 R200_TXC_ARG_A_TFACTOR_ALPHA | R200_TXC_COMP_ARG_A
196 };
197
198 static GLuint r200_tfactor1_color[] =
199 {
200 R200_TXC_ARG_A_TFACTOR1_COLOR,
201 R200_TXC_ARG_A_TFACTOR1_COLOR | R200_TXC_COMP_ARG_A,
202 R200_TXC_ARG_A_TFACTOR1_ALPHA,
203 R200_TXC_ARG_A_TFACTOR1_ALPHA | R200_TXC_COMP_ARG_A
204 };
205
206 static GLuint r200_primary_color[] =
207 {
208 R200_TXC_ARG_A_DIFFUSE_COLOR,
209 R200_TXC_ARG_A_DIFFUSE_COLOR | R200_TXC_COMP_ARG_A,
210 R200_TXC_ARG_A_DIFFUSE_ALPHA,
211 R200_TXC_ARG_A_DIFFUSE_ALPHA | R200_TXC_COMP_ARG_A
212 };
213
214 /* GL_ZERO table - indices 0-3
215 * GL_ONE table - indices 1-4
216 */
217 static GLuint r200_zero_color[] =
218 {
219 R200_TXC_ARG_A_ZERO,
220 R200_TXC_ARG_A_ZERO | R200_TXC_COMP_ARG_A,
221 R200_TXC_ARG_A_ZERO,
222 R200_TXC_ARG_A_ZERO | R200_TXC_COMP_ARG_A,
223 R200_TXC_ARG_A_ZERO
224 };
225
226 /* The alpha tables only have GL_SRC_ALPHA and GL_ONE_MINUS_SRC_ALPHA.
227 */
228 static GLuint r200_register_alpha[][R200_MAX_TEXTURE_UNITS] =
229 {
230 {
231 R200_TXA_ARG_A_R0_ALPHA,
232 R200_TXA_ARG_A_R1_ALPHA,
233 R200_TXA_ARG_A_R2_ALPHA,
234 R200_TXA_ARG_A_R3_ALPHA,
235 R200_TXA_ARG_A_R4_ALPHA,
236 R200_TXA_ARG_A_R5_ALPHA
237 },
238 {
239 R200_TXA_ARG_A_R0_ALPHA | R200_TXA_COMP_ARG_A,
240 R200_TXA_ARG_A_R1_ALPHA | R200_TXA_COMP_ARG_A,
241 R200_TXA_ARG_A_R2_ALPHA | R200_TXA_COMP_ARG_A,
242 R200_TXA_ARG_A_R3_ALPHA | R200_TXA_COMP_ARG_A,
243 R200_TXA_ARG_A_R4_ALPHA | R200_TXA_COMP_ARG_A,
244 R200_TXA_ARG_A_R5_ALPHA | R200_TXA_COMP_ARG_A
245 },
246 };
247
248 static GLuint r200_tfactor_alpha[] =
249 {
250 R200_TXA_ARG_A_TFACTOR_ALPHA,
251 R200_TXA_ARG_A_TFACTOR_ALPHA | R200_TXA_COMP_ARG_A
252 };
253
254 static GLuint r200_tfactor1_alpha[] =
255 {
256 R200_TXA_ARG_A_TFACTOR1_ALPHA,
257 R200_TXA_ARG_A_TFACTOR1_ALPHA | R200_TXA_COMP_ARG_A
258 };
259
260 static GLuint r200_primary_alpha[] =
261 {
262 R200_TXA_ARG_A_DIFFUSE_ALPHA,
263 R200_TXA_ARG_A_DIFFUSE_ALPHA | R200_TXA_COMP_ARG_A
264 };
265
266 /* GL_ZERO table - indices 0-1
267 * GL_ONE table - indices 1-2
268 */
269 static GLuint r200_zero_alpha[] =
270 {
271 R200_TXA_ARG_A_ZERO,
272 R200_TXA_ARG_A_ZERO | R200_TXA_COMP_ARG_A,
273 R200_TXA_ARG_A_ZERO,
274 };
275
276
277 /* Extract the arg from slot A, shift it into the correct argument slot
278 * and set the corresponding complement bit.
279 */
280 #define R200_COLOR_ARG( n, arg ) \
281 do { \
282 color_combine |= \
283 ((color_arg[n] & R200_TXC_ARG_A_MASK) \
284 << R200_TXC_ARG_##arg##_SHIFT); \
285 color_combine |= \
286 ((color_arg[n] >> R200_TXC_COMP_ARG_A_SHIFT) \
287 << R200_TXC_COMP_ARG_##arg##_SHIFT); \
288 } while (0)
289
290 #define R200_ALPHA_ARG( n, arg ) \
291 do { \
292 alpha_combine |= \
293 ((alpha_arg[n] & R200_TXA_ARG_A_MASK) \
294 << R200_TXA_ARG_##arg##_SHIFT); \
295 alpha_combine |= \
296 ((alpha_arg[n] >> R200_TXA_COMP_ARG_A_SHIFT) \
297 << R200_TXA_COMP_ARG_##arg##_SHIFT); \
298 } while (0)
299
300
301 /* ================================================================
302 * Texture unit state management
303 */
304
305 static GLboolean r200UpdateTextureEnv( GLcontext *ctx, int unit, int slot, GLuint replaceargs )
306 {
307 r200ContextPtr rmesa = R200_CONTEXT(ctx);
308 const struct gl_texture_unit *texUnit = &ctx->Texture.Unit[unit];
309 GLuint color_combine, alpha_combine;
310 GLuint color_scale = rmesa->hw.pix[slot].cmd[PIX_PP_TXCBLEND2] &
311 ~(R200_TXC_SCALE_MASK | R200_TXC_OUTPUT_REG_MASK | R200_TXC_TFACTOR_SEL_MASK |
312 R200_TXC_TFACTOR1_SEL_MASK);
313 GLuint alpha_scale = rmesa->hw.pix[slot].cmd[PIX_PP_TXABLEND2] &
314 ~(R200_TXA_DOT_ALPHA | R200_TXA_SCALE_MASK | R200_TXA_OUTPUT_REG_MASK |
315 R200_TXA_TFACTOR_SEL_MASK | R200_TXA_TFACTOR1_SEL_MASK);
316
317 /* texUnit->_Current can be NULL if and only if the texture unit is
318 * not actually enabled.
319 */
320 assert( (texUnit->_ReallyEnabled == 0)
321 || (texUnit->_Current != NULL) );
322
323 if ( R200_DEBUG & DEBUG_TEXTURE ) {
324 fprintf( stderr, "%s( %p, %d )\n", __FUNCTION__, (void *)ctx, unit );
325 }
326
327 /* Set the texture environment state. Isn't this nice and clean?
328 * The chip will automagically set the texture alpha to 0xff when
329 * the texture format does not include an alpha component. This
330 * reduces the amount of special-casing we have to do, alpha-only
331 * textures being a notable exception.
332 */
333
334 color_scale |= ((rmesa->state.texture.unit[unit].outputreg + 1) << R200_TXC_OUTPUT_REG_SHIFT) |
335 (unit << R200_TXC_TFACTOR_SEL_SHIFT) |
336 (replaceargs << R200_TXC_TFACTOR1_SEL_SHIFT);
337 alpha_scale |= ((rmesa->state.texture.unit[unit].outputreg + 1) << R200_TXA_OUTPUT_REG_SHIFT) |
338 (unit << R200_TXA_TFACTOR_SEL_SHIFT) |
339 (replaceargs << R200_TXA_TFACTOR1_SEL_SHIFT);
340
341 if ( !texUnit->_ReallyEnabled ) {
342 assert( unit == 0);
343 color_combine = R200_TXC_ARG_A_ZERO | R200_TXC_ARG_B_ZERO
344 | R200_TXC_ARG_C_DIFFUSE_COLOR | R200_TXC_OP_MADD;
345 alpha_combine = R200_TXA_ARG_A_ZERO | R200_TXA_ARG_B_ZERO
346 | R200_TXA_ARG_C_DIFFUSE_ALPHA | R200_TXA_OP_MADD;
347 }
348 else {
349 GLuint color_arg[3], alpha_arg[3];
350 GLuint i;
351 const GLuint numColorArgs = texUnit->_CurrentCombine->_NumArgsRGB;
352 const GLuint numAlphaArgs = texUnit->_CurrentCombine->_NumArgsA;
353 GLuint RGBshift = texUnit->_CurrentCombine->ScaleShiftRGB;
354 GLuint Ashift = texUnit->_CurrentCombine->ScaleShiftA;
355
356
357 const GLint replaceoprgb =
358 ctx->Texture.Unit[replaceargs]._CurrentCombine->OperandRGB[0] - GL_SRC_COLOR;
359 const GLint replaceopa =
360 ctx->Texture.Unit[replaceargs]._CurrentCombine->OperandA[0] - GL_SRC_ALPHA;
361
362 /* Step 1:
363 * Extract the color and alpha combine function arguments.
364 */
365 for ( i = 0 ; i < numColorArgs ; i++ ) {
366 GLint op = texUnit->_CurrentCombine->OperandRGB[i] - GL_SRC_COLOR;
367 const GLint srcRGBi = texUnit->_CurrentCombine->SourceRGB[i];
368 assert(op >= 0);
369 assert(op <= 3);
370 switch ( srcRGBi ) {
371 case GL_TEXTURE:
372 color_arg[i] = r200_register_color[op][unit];
373 break;
374 case GL_CONSTANT:
375 color_arg[i] = r200_tfactor_color[op];
376 break;
377 case GL_PRIMARY_COLOR:
378 color_arg[i] = r200_primary_color[op];
379 break;
380 case GL_PREVIOUS:
381 if (replaceargs != unit) {
382 const GLint srcRGBreplace =
383 ctx->Texture.Unit[replaceargs]._CurrentCombine->SourceRGB[0];
384 if (op >= 2) {
385 op = op ^ replaceopa;
386 }
387 else {
388 op = op ^ replaceoprgb;
389 }
390 switch (srcRGBreplace) {
391 case GL_TEXTURE:
392 color_arg[i] = r200_register_color[op][replaceargs];
393 break;
394 case GL_CONSTANT:
395 color_arg[i] = r200_tfactor1_color[op];
396 break;
397 case GL_PRIMARY_COLOR:
398 color_arg[i] = r200_primary_color[op];
399 break;
400 case GL_PREVIOUS:
401 if (slot == 0)
402 color_arg[i] = r200_primary_color[op];
403 else
404 color_arg[i] = r200_register_color[op]
405 [rmesa->state.texture.unit[replaceargs - 1].outputreg];
406 break;
407 case GL_ZERO:
408 color_arg[i] = r200_zero_color[op];
409 break;
410 case GL_ONE:
411 color_arg[i] = r200_zero_color[op+1];
412 break;
413 case GL_TEXTURE0:
414 case GL_TEXTURE1:
415 case GL_TEXTURE2:
416 case GL_TEXTURE3:
417 case GL_TEXTURE4:
418 case GL_TEXTURE5:
419 color_arg[i] = r200_register_color[op][srcRGBreplace - GL_TEXTURE0];
420 break;
421 default:
422 return GL_FALSE;
423 }
424 }
425 else {
426 if (slot == 0)
427 color_arg[i] = r200_primary_color[op];
428 else
429 color_arg[i] = r200_register_color[op]
430 [rmesa->state.texture.unit[unit - 1].outputreg];
431 }
432 break;
433 case GL_ZERO:
434 color_arg[i] = r200_zero_color[op];
435 break;
436 case GL_ONE:
437 color_arg[i] = r200_zero_color[op+1];
438 break;
439 case GL_TEXTURE0:
440 case GL_TEXTURE1:
441 case GL_TEXTURE2:
442 case GL_TEXTURE3:
443 case GL_TEXTURE4:
444 case GL_TEXTURE5:
445 color_arg[i] = r200_register_color[op][srcRGBi - GL_TEXTURE0];
446 break;
447 default:
448 return GL_FALSE;
449 }
450 }
451
452 for ( i = 0 ; i < numAlphaArgs ; i++ ) {
453 GLint op = texUnit->_CurrentCombine->OperandA[i] - GL_SRC_ALPHA;
454 const GLint srcAi = texUnit->_CurrentCombine->SourceA[i];
455 assert(op >= 0);
456 assert(op <= 1);
457 switch ( srcAi ) {
458 case GL_TEXTURE:
459 alpha_arg[i] = r200_register_alpha[op][unit];
460 break;
461 case GL_CONSTANT:
462 alpha_arg[i] = r200_tfactor_alpha[op];
463 break;
464 case GL_PRIMARY_COLOR:
465 alpha_arg[i] = r200_primary_alpha[op];
466 break;
467 case GL_PREVIOUS:
468 if (replaceargs != unit) {
469 const GLint srcAreplace =
470 ctx->Texture.Unit[replaceargs]._CurrentCombine->SourceA[0];
471 op = op ^ replaceopa;
472 switch (srcAreplace) {
473 case GL_TEXTURE:
474 alpha_arg[i] = r200_register_alpha[op][replaceargs];
475 break;
476 case GL_CONSTANT:
477 alpha_arg[i] = r200_tfactor1_alpha[op];
478 break;
479 case GL_PRIMARY_COLOR:
480 alpha_arg[i] = r200_primary_alpha[op];
481 break;
482 case GL_PREVIOUS:
483 if (slot == 0)
484 alpha_arg[i] = r200_primary_alpha[op];
485 else
486 alpha_arg[i] = r200_register_alpha[op]
487 [rmesa->state.texture.unit[replaceargs - 1].outputreg];
488 break;
489 case GL_ZERO:
490 alpha_arg[i] = r200_zero_alpha[op];
491 break;
492 case GL_ONE:
493 alpha_arg[i] = r200_zero_alpha[op+1];
494 break;
495 case GL_TEXTURE0:
496 case GL_TEXTURE1:
497 case GL_TEXTURE2:
498 case GL_TEXTURE3:
499 case GL_TEXTURE4:
500 case GL_TEXTURE5:
501 alpha_arg[i] = r200_register_alpha[op][srcAreplace - GL_TEXTURE0];
502 break;
503 default:
504 return GL_FALSE;
505 }
506 }
507 else {
508 if (slot == 0)
509 alpha_arg[i] = r200_primary_alpha[op];
510 else
511 alpha_arg[i] = r200_register_alpha[op]
512 [rmesa->state.texture.unit[unit - 1].outputreg];
513 }
514 break;
515 case GL_ZERO:
516 alpha_arg[i] = r200_zero_alpha[op];
517 break;
518 case GL_ONE:
519 alpha_arg[i] = r200_zero_alpha[op+1];
520 break;
521 case GL_TEXTURE0:
522 case GL_TEXTURE1:
523 case GL_TEXTURE2:
524 case GL_TEXTURE3:
525 case GL_TEXTURE4:
526 case GL_TEXTURE5:
527 alpha_arg[i] = r200_register_alpha[op][srcAi - GL_TEXTURE0];
528 break;
529 default:
530 return GL_FALSE;
531 }
532 }
533
534 /* Step 2:
535 * Build up the color and alpha combine functions.
536 */
537 switch ( texUnit->_CurrentCombine->ModeRGB ) {
538 case GL_REPLACE:
539 color_combine = (R200_TXC_ARG_A_ZERO |
540 R200_TXC_ARG_B_ZERO |
541 R200_TXC_OP_MADD);
542 R200_COLOR_ARG( 0, C );
543 break;
544 case GL_MODULATE:
545 color_combine = (R200_TXC_ARG_C_ZERO |
546 R200_TXC_OP_MADD);
547 R200_COLOR_ARG( 0, A );
548 R200_COLOR_ARG( 1, B );
549 break;
550 case GL_ADD:
551 color_combine = (R200_TXC_ARG_B_ZERO |
552 R200_TXC_COMP_ARG_B |
553 R200_TXC_OP_MADD);
554 R200_COLOR_ARG( 0, A );
555 R200_COLOR_ARG( 1, C );
556 break;
557 case GL_ADD_SIGNED:
558 color_combine = (R200_TXC_ARG_B_ZERO |
559 R200_TXC_COMP_ARG_B |
560 R200_TXC_BIAS_ARG_C | /* new */
561 R200_TXC_OP_MADD); /* was ADDSIGNED */
562 R200_COLOR_ARG( 0, A );
563 R200_COLOR_ARG( 1, C );
564 break;
565 case GL_SUBTRACT:
566 color_combine = (R200_TXC_ARG_B_ZERO |
567 R200_TXC_COMP_ARG_B |
568 R200_TXC_NEG_ARG_C |
569 R200_TXC_OP_MADD);
570 R200_COLOR_ARG( 0, A );
571 R200_COLOR_ARG( 1, C );
572 break;
573 case GL_INTERPOLATE:
574 color_combine = (R200_TXC_OP_LERP);
575 R200_COLOR_ARG( 0, B );
576 R200_COLOR_ARG( 1, A );
577 R200_COLOR_ARG( 2, C );
578 break;
579
580 case GL_DOT3_RGB_EXT:
581 case GL_DOT3_RGBA_EXT:
582 /* The EXT version of the DOT3 extension does not support the
583 * scale factor, but the ARB version (and the version in OpenGL
584 * 1.3) does.
585 */
586 RGBshift = 0;
587 /* FALLTHROUGH */
588
589 case GL_DOT3_RGB:
590 case GL_DOT3_RGBA:
591 /* DOT3 works differently on R200 than on R100. On R100, just
592 * setting the DOT3 mode did everything for you. On R200, the
593 * driver has to enable the biasing and scale in the inputs to
594 * put them in the proper [-1,1] range. This is what the 4x and
595 * the -0.5 in the DOT3 spec do. The post-scale is then set
596 * normally.
597 */
598
599 color_combine = (R200_TXC_ARG_C_ZERO |
600 R200_TXC_OP_DOT3 |
601 R200_TXC_BIAS_ARG_A |
602 R200_TXC_BIAS_ARG_B |
603 R200_TXC_SCALE_ARG_A |
604 R200_TXC_SCALE_ARG_B);
605 R200_COLOR_ARG( 0, A );
606 R200_COLOR_ARG( 1, B );
607 break;
608
609 case GL_MODULATE_ADD_ATI:
610 color_combine = (R200_TXC_OP_MADD);
611 R200_COLOR_ARG( 0, A );
612 R200_COLOR_ARG( 1, C );
613 R200_COLOR_ARG( 2, B );
614 break;
615 case GL_MODULATE_SIGNED_ADD_ATI:
616 color_combine = (R200_TXC_BIAS_ARG_C | /* new */
617 R200_TXC_OP_MADD); /* was ADDSIGNED */
618 R200_COLOR_ARG( 0, A );
619 R200_COLOR_ARG( 1, C );
620 R200_COLOR_ARG( 2, B );
621 break;
622 case GL_MODULATE_SUBTRACT_ATI:
623 color_combine = (R200_TXC_NEG_ARG_C |
624 R200_TXC_OP_MADD);
625 R200_COLOR_ARG( 0, A );
626 R200_COLOR_ARG( 1, C );
627 R200_COLOR_ARG( 2, B );
628 break;
629 default:
630 return GL_FALSE;
631 }
632
633 switch ( texUnit->_CurrentCombine->ModeA ) {
634 case GL_REPLACE:
635 alpha_combine = (R200_TXA_ARG_A_ZERO |
636 R200_TXA_ARG_B_ZERO |
637 R200_TXA_OP_MADD);
638 R200_ALPHA_ARG( 0, C );
639 break;
640 case GL_MODULATE:
641 alpha_combine = (R200_TXA_ARG_C_ZERO |
642 R200_TXA_OP_MADD);
643 R200_ALPHA_ARG( 0, A );
644 R200_ALPHA_ARG( 1, B );
645 break;
646 case GL_ADD:
647 alpha_combine = (R200_TXA_ARG_B_ZERO |
648 R200_TXA_COMP_ARG_B |
649 R200_TXA_OP_MADD);
650 R200_ALPHA_ARG( 0, A );
651 R200_ALPHA_ARG( 1, C );
652 break;
653 case GL_ADD_SIGNED:
654 alpha_combine = (R200_TXA_ARG_B_ZERO |
655 R200_TXA_COMP_ARG_B |
656 R200_TXA_BIAS_ARG_C | /* new */
657 R200_TXA_OP_MADD); /* was ADDSIGNED */
658 R200_ALPHA_ARG( 0, A );
659 R200_ALPHA_ARG( 1, C );
660 break;
661 case GL_SUBTRACT:
662 alpha_combine = (R200_TXA_ARG_B_ZERO |
663 R200_TXA_COMP_ARG_B |
664 R200_TXA_NEG_ARG_C |
665 R200_TXA_OP_MADD);
666 R200_ALPHA_ARG( 0, A );
667 R200_ALPHA_ARG( 1, C );
668 break;
669 case GL_INTERPOLATE:
670 alpha_combine = (R200_TXA_OP_LERP);
671 R200_ALPHA_ARG( 0, B );
672 R200_ALPHA_ARG( 1, A );
673 R200_ALPHA_ARG( 2, C );
674 break;
675
676 case GL_MODULATE_ADD_ATI:
677 alpha_combine = (R200_TXA_OP_MADD);
678 R200_ALPHA_ARG( 0, A );
679 R200_ALPHA_ARG( 1, C );
680 R200_ALPHA_ARG( 2, B );
681 break;
682 case GL_MODULATE_SIGNED_ADD_ATI:
683 alpha_combine = (R200_TXA_BIAS_ARG_C | /* new */
684 R200_TXA_OP_MADD); /* was ADDSIGNED */
685 R200_ALPHA_ARG( 0, A );
686 R200_ALPHA_ARG( 1, C );
687 R200_ALPHA_ARG( 2, B );
688 break;
689 case GL_MODULATE_SUBTRACT_ATI:
690 alpha_combine = (R200_TXA_NEG_ARG_C |
691 R200_TXA_OP_MADD);
692 R200_ALPHA_ARG( 0, A );
693 R200_ALPHA_ARG( 1, C );
694 R200_ALPHA_ARG( 2, B );
695 break;
696 default:
697 return GL_FALSE;
698 }
699
700 if ( (texUnit->_CurrentCombine->ModeRGB == GL_DOT3_RGBA_EXT)
701 || (texUnit->_CurrentCombine->ModeRGB == GL_DOT3_RGBA) ) {
702 alpha_scale |= R200_TXA_DOT_ALPHA;
703 Ashift = RGBshift;
704 }
705
706 /* Step 3:
707 * Apply the scale factor.
708 */
709 color_scale |= (RGBshift << R200_TXC_SCALE_SHIFT);
710 alpha_scale |= (Ashift << R200_TXA_SCALE_SHIFT);
711
712 /* All done!
713 */
714 }
715
716 if ( rmesa->hw.pix[slot].cmd[PIX_PP_TXCBLEND] != color_combine ||
717 rmesa->hw.pix[slot].cmd[PIX_PP_TXABLEND] != alpha_combine ||
718 rmesa->hw.pix[slot].cmd[PIX_PP_TXCBLEND2] != color_scale ||
719 rmesa->hw.pix[slot].cmd[PIX_PP_TXABLEND2] != alpha_scale) {
720 R200_STATECHANGE( rmesa, pix[slot] );
721 rmesa->hw.pix[slot].cmd[PIX_PP_TXCBLEND] = color_combine;
722 rmesa->hw.pix[slot].cmd[PIX_PP_TXABLEND] = alpha_combine;
723 rmesa->hw.pix[slot].cmd[PIX_PP_TXCBLEND2] = color_scale;
724 rmesa->hw.pix[slot].cmd[PIX_PP_TXABLEND2] = alpha_scale;
725 }
726
727 return GL_TRUE;
728 }
729
730 void r200SetTexOffset(__DRIcontext * pDRICtx, GLint texname,
731 unsigned long long offset, GLint depth, GLuint pitch)
732 {
733 r200ContextPtr rmesa = pDRICtx->driverPrivate;
734 struct gl_texture_object *tObj =
735 _mesa_lookup_texture(rmesa->radeon.glCtx, texname);
736 radeonTexObjPtr t = radeon_tex_obj(tObj);
737
738 if (!tObj)
739 return;
740
741 t->image_override = GL_TRUE;
742
743 if (!offset)
744 return;
745
746 t->pp_txoffset = offset;
747 t->pp_txpitch = pitch - 32;
748
749 switch (depth) {
750 case 32:
751 t->pp_txformat = tx_table_le[MESA_FORMAT_ARGB8888].format;
752 t->pp_txfilter |= tx_table_le[MESA_FORMAT_ARGB8888].filter;
753 break;
754 case 24:
755 default:
756 t->pp_txformat = tx_table_le[MESA_FORMAT_RGB888].format;
757 t->pp_txfilter |= tx_table_le[MESA_FORMAT_RGB888].filter;
758 break;
759 case 16:
760 t->pp_txformat = tx_table_le[MESA_FORMAT_RGB565].format;
761 t->pp_txfilter |= tx_table_le[MESA_FORMAT_RGB565].filter;
762 break;
763 }
764 }
765
766 #define REF_COLOR 1
767 #define REF_ALPHA 2
768
769 static GLboolean r200UpdateAllTexEnv( GLcontext *ctx )
770 {
771 r200ContextPtr rmesa = R200_CONTEXT(ctx);
772 GLint i, j, currslot;
773 GLint maxunitused = -1;
774 GLboolean texregfree[6] = {GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE};
775 GLubyte stageref[7] = {0, 0, 0, 0, 0, 0, 0};
776 GLint nextunit[R200_MAX_TEXTURE_UNITS] = {0, 0, 0, 0, 0, 0};
777 GLint currentnext = -1;
778 GLboolean ok;
779
780 /* find highest used unit */
781 for ( j = 0; j < R200_MAX_TEXTURE_UNITS; j++) {
782 if (ctx->Texture.Unit[j]._ReallyEnabled) {
783 maxunitused = j;
784 }
785 }
786 stageref[maxunitused + 1] = REF_COLOR | REF_ALPHA;
787
788 for ( j = maxunitused; j >= 0; j-- ) {
789 const struct gl_texture_unit *texUnit = &ctx->Texture.Unit[j];
790
791 rmesa->state.texture.unit[j].outputreg = -1;
792
793 if (stageref[j + 1]) {
794
795 /* use the lowest available reg. That gets us automatically reg0 for the last stage.
796 need this even for disabled units, as it may get referenced due to the replace
797 optimization */
798 for ( i = 0 ; i < R200_MAX_TEXTURE_UNITS; i++ ) {
799 if (texregfree[i]) {
800 rmesa->state.texture.unit[j].outputreg = i;
801 break;
802 }
803 }
804 if (rmesa->state.texture.unit[j].outputreg == -1) {
805 /* no more free regs we can use. Need a fallback :-( */
806 return GL_FALSE;
807 }
808
809 nextunit[j] = currentnext;
810
811 if (!texUnit->_ReallyEnabled) {
812 /* the not enabled stages are referenced "indirectly",
813 must not cut off the lower stages */
814 stageref[j] = REF_COLOR | REF_ALPHA;
815 continue;
816 }
817 currentnext = j;
818
819 const GLuint numColorArgs = texUnit->_CurrentCombine->_NumArgsRGB;
820 const GLuint numAlphaArgs = texUnit->_CurrentCombine->_NumArgsA;
821 const GLboolean isdot3rgba = (texUnit->_CurrentCombine->ModeRGB == GL_DOT3_RGBA) ||
822 (texUnit->_CurrentCombine->ModeRGB == GL_DOT3_RGBA_EXT);
823
824
825 /* check if we need the color part, special case for dot3_rgba
826 as if only the alpha part is referenced later on it still is using the color part */
827 if ((stageref[j + 1] & REF_COLOR) || isdot3rgba) {
828 for ( i = 0 ; i < numColorArgs ; i++ ) {
829 const GLuint srcRGBi = texUnit->_CurrentCombine->SourceRGB[i];
830 const GLuint op = texUnit->_CurrentCombine->OperandRGB[i];
831 switch ( srcRGBi ) {
832 case GL_PREVIOUS:
833 /* op 0/1 are referencing color, op 2/3 alpha */
834 stageref[j] |= (op >> 1) + 1;
835 break;
836 case GL_TEXTURE:
837 texregfree[j] = GL_FALSE;
838 break;
839 case GL_TEXTURE0:
840 case GL_TEXTURE1:
841 case GL_TEXTURE2:
842 case GL_TEXTURE3:
843 case GL_TEXTURE4:
844 case GL_TEXTURE5:
845 texregfree[srcRGBi - GL_TEXTURE0] = GL_FALSE;
846 break;
847 default: /* don't care about other sources here */
848 break;
849 }
850 }
851 }
852
853 /* alpha args are ignored for dot3_rgba */
854 if ((stageref[j + 1] & REF_ALPHA) && !isdot3rgba) {
855
856 for ( i = 0 ; i < numAlphaArgs ; i++ ) {
857 const GLuint srcAi = texUnit->_CurrentCombine->SourceA[i];
858 switch ( srcAi ) {
859 case GL_PREVIOUS:
860 stageref[j] |= REF_ALPHA;
861 break;
862 case GL_TEXTURE:
863 texregfree[j] = GL_FALSE;
864 break;
865 case GL_TEXTURE0:
866 case GL_TEXTURE1:
867 case GL_TEXTURE2:
868 case GL_TEXTURE3:
869 case GL_TEXTURE4:
870 case GL_TEXTURE5:
871 texregfree[srcAi - GL_TEXTURE0] = GL_FALSE;
872 break;
873 default: /* don't care about other sources here */
874 break;
875 }
876 }
877 }
878 }
879 }
880
881 /* don't enable texture sampling for units if the result is not used */
882 for (i = 0; i < R200_MAX_TEXTURE_UNITS; i++) {
883 if (ctx->Texture.Unit[i]._ReallyEnabled && !texregfree[i])
884 rmesa->state.texture.unit[i].unitneeded = ctx->Texture.Unit[i]._ReallyEnabled;
885 else rmesa->state.texture.unit[i].unitneeded = 0;
886 }
887
888 ok = GL_TRUE;
889 currslot = 0;
890 rmesa->state.envneeded = 1;
891
892 i = 0;
893 while ((i <= maxunitused) && (i >= 0)) {
894 /* only output instruction if the results are referenced */
895 if (ctx->Texture.Unit[i]._ReallyEnabled && stageref[i+1]) {
896 GLuint replaceunit = i;
897 /* try to optimize GL_REPLACE away (only one level deep though) */
898 if ( (ctx->Texture.Unit[i]._CurrentCombine->ModeRGB == GL_REPLACE) &&
899 (ctx->Texture.Unit[i]._CurrentCombine->ModeA == GL_REPLACE) &&
900 (ctx->Texture.Unit[i]._CurrentCombine->ScaleShiftRGB == 0) &&
901 (ctx->Texture.Unit[i]._CurrentCombine->ScaleShiftA == 0) &&
902 (nextunit[i] > 0) ) {
903 /* yippie! can optimize it away! */
904 replaceunit = i;
905 i = nextunit[i];
906 }
907
908 /* need env instruction slot */
909 rmesa->state.envneeded |= 1 << currslot;
910 ok = r200UpdateTextureEnv( ctx, i, currslot, replaceunit );
911 if (!ok) return GL_FALSE;
912 currslot++;
913 }
914 i = i + 1;
915 }
916
917 if (currslot == 0) {
918 /* need one stage at least */
919 rmesa->state.texture.unit[0].outputreg = 0;
920 ok = r200UpdateTextureEnv( ctx, 0, 0, 0 );
921 }
922
923 R200_STATECHANGE( rmesa, ctx );
924 rmesa->hw.ctx.cmd[CTX_PP_CNTL] &= ~(R200_TEX_BLEND_ENABLE_MASK | R200_MULTI_PASS_ENABLE);
925 rmesa->hw.ctx.cmd[CTX_PP_CNTL] |= rmesa->state.envneeded << R200_TEX_BLEND_0_ENABLE_SHIFT;
926
927 return ok;
928 }
929
930 #undef REF_COLOR
931 #undef REF_ALPHA
932
933
934 #define TEXOBJ_TXFILTER_MASK (R200_MAX_MIP_LEVEL_MASK | \
935 R200_MIN_FILTER_MASK | \
936 R200_MAG_FILTER_MASK | \
937 R200_MAX_ANISO_MASK | \
938 R200_YUV_TO_RGB | \
939 R200_YUV_TEMPERATURE_MASK | \
940 R200_CLAMP_S_MASK | \
941 R200_CLAMP_T_MASK | \
942 R200_BORDER_MODE_D3D )
943
944 #define TEXOBJ_TXFORMAT_MASK (R200_TXFORMAT_WIDTH_MASK | \
945 R200_TXFORMAT_HEIGHT_MASK | \
946 R200_TXFORMAT_FORMAT_MASK | \
947 R200_TXFORMAT_F5_WIDTH_MASK | \
948 R200_TXFORMAT_F5_HEIGHT_MASK | \
949 R200_TXFORMAT_ALPHA_IN_MAP | \
950 R200_TXFORMAT_CUBIC_MAP_ENABLE | \
951 R200_TXFORMAT_NON_POWER2)
952
953 #define TEXOBJ_TXFORMAT_X_MASK (R200_DEPTH_LOG2_MASK | \
954 R200_TEXCOORD_MASK | \
955 R200_CLAMP_Q_MASK | \
956 R200_VOLUME_FILTER_MASK)
957
958
959 static void disable_tex_obj_state( r200ContextPtr rmesa,
960 int unit )
961 {
962
963 R200_STATECHANGE( rmesa, vtx );
964 rmesa->hw.vtx.cmd[VTX_TCL_OUTPUT_VTXFMT_1] &= ~(7 << (unit * 3));
965
966 if (rmesa->radeon.TclFallback & (R200_TCL_FALLBACK_TEXGEN_0<<unit)) {
967 TCL_FALLBACK( rmesa->radeon.glCtx, (R200_TCL_FALLBACK_TEXGEN_0<<unit), GL_FALSE);
968 }
969
970 /* Actually want to keep all units less than max active texture
971 * enabled, right? Fix this for >2 texunits.
972 */
973
974 {
975 GLuint tmp = rmesa->TexGenEnabled;
976
977 rmesa->TexGenEnabled &= ~(R200_TEXGEN_TEXMAT_0_ENABLE<<unit);
978 rmesa->TexGenEnabled &= ~(R200_TEXMAT_0_ENABLE<<unit);
979 rmesa->TexGenNeedNormals[unit] = GL_FALSE;
980 rmesa->TexGenCompSel &= ~(R200_OUTPUT_TEX_0 << unit);
981
982 if (tmp != rmesa->TexGenEnabled) {
983 rmesa->recheck_texgen[unit] = GL_TRUE;
984 rmesa->radeon.NewGLState |= _NEW_TEXTURE_MATRIX;
985 }
986 }
987 }
988 static void import_tex_obj_state( r200ContextPtr rmesa,
989 int unit,
990 radeonTexObjPtr texobj )
991 {
992 /* do not use RADEON_DB_STATE to avoid stale texture caches */
993 GLuint *cmd = &rmesa->hw.tex[unit].cmd[TEX_CMD_0];
994
995 R200_STATECHANGE( rmesa, tex[unit] );
996
997 cmd[TEX_PP_TXFILTER] &= ~TEXOBJ_TXFILTER_MASK;
998 cmd[TEX_PP_TXFILTER] |= texobj->pp_txfilter & TEXOBJ_TXFILTER_MASK;
999 cmd[TEX_PP_TXFORMAT] &= ~TEXOBJ_TXFORMAT_MASK;
1000 cmd[TEX_PP_TXFORMAT] |= texobj->pp_txformat & TEXOBJ_TXFORMAT_MASK;
1001 cmd[TEX_PP_TXFORMAT_X] &= ~TEXOBJ_TXFORMAT_X_MASK;
1002 cmd[TEX_PP_TXFORMAT_X] |= texobj->pp_txformat_x & TEXOBJ_TXFORMAT_X_MASK;
1003 cmd[TEX_PP_TXSIZE] = texobj->pp_txsize; /* NPOT only! */
1004 cmd[TEX_PP_TXPITCH] = texobj->pp_txpitch; /* NPOT only! */
1005 cmd[TEX_PP_BORDER_COLOR] = texobj->pp_border_color;
1006 if (rmesa->radeon.radeonScreen->drmSupportsFragShader) {
1007 cmd[TEX_PP_TXOFFSET_NEWDRM] = texobj->pp_txoffset;
1008 }
1009 else {
1010 cmd[TEX_PP_TXOFFSET_OLDDRM] = texobj->pp_txoffset;
1011 }
1012
1013 if (texobj->base.Target == GL_TEXTURE_CUBE_MAP) {
1014 GLuint *cube_cmd = &rmesa->hw.cube[unit].cmd[CUBE_CMD_0];
1015 // GLuint bytesPerFace = texobj->base.totalSize / 6;
1016 // ASSERT(texobj->base.totalSize % 6 == 0);
1017 GLuint bytesPerFace = 1; // TODO
1018
1019 R200_STATECHANGE( rmesa, cube[unit] );
1020 cube_cmd[CUBE_PP_CUBIC_FACES] = texobj->pp_cubic_faces;
1021 if (rmesa->radeon.radeonScreen->drmSupportsFragShader) {
1022 /* that value is submitted twice. could change cube atom
1023 to not include that command when new drm is used */
1024 cmd[TEX_PP_CUBIC_FACES] = texobj->pp_cubic_faces;
1025 }
1026 cube_cmd[CUBE_PP_CUBIC_OFFSET_F1] = texobj->pp_txoffset + 1 * bytesPerFace;
1027 cube_cmd[CUBE_PP_CUBIC_OFFSET_F2] = texobj->pp_txoffset + 2 * bytesPerFace;
1028 cube_cmd[CUBE_PP_CUBIC_OFFSET_F3] = texobj->pp_txoffset + 3 * bytesPerFace;
1029 cube_cmd[CUBE_PP_CUBIC_OFFSET_F4] = texobj->pp_txoffset + 4 * bytesPerFace;
1030 cube_cmd[CUBE_PP_CUBIC_OFFSET_F5] = texobj->pp_txoffset + 5 * bytesPerFace;
1031 }
1032
1033 texobj->dirty_state &= ~(1<<unit);
1034 }
1035
1036 static void set_texgen_matrix( r200ContextPtr rmesa,
1037 GLuint unit,
1038 const GLfloat *s_plane,
1039 const GLfloat *t_plane,
1040 const GLfloat *r_plane,
1041 const GLfloat *q_plane )
1042 {
1043 GLfloat m[16];
1044
1045 m[0] = s_plane[0];
1046 m[4] = s_plane[1];
1047 m[8] = s_plane[2];
1048 m[12] = s_plane[3];
1049
1050 m[1] = t_plane[0];
1051 m[5] = t_plane[1];
1052 m[9] = t_plane[2];
1053 m[13] = t_plane[3];
1054
1055 m[2] = r_plane[0];
1056 m[6] = r_plane[1];
1057 m[10] = r_plane[2];
1058 m[14] = r_plane[3];
1059
1060 m[3] = q_plane[0];
1061 m[7] = q_plane[1];
1062 m[11] = q_plane[2];
1063 m[15] = q_plane[3];
1064
1065 _math_matrix_loadf( &(rmesa->TexGenMatrix[unit]), m);
1066 _math_matrix_analyse( &(rmesa->TexGenMatrix[unit]) );
1067 rmesa->TexGenEnabled |= R200_TEXMAT_0_ENABLE<<unit;
1068 }
1069
1070
1071 static GLuint r200_need_dis_texgen(const GLbitfield texGenEnabled,
1072 const GLfloat *planeS,
1073 const GLfloat *planeT,
1074 const GLfloat *planeR,
1075 const GLfloat *planeQ)
1076 {
1077 GLuint needtgenable = 0;
1078
1079 if (!(texGenEnabled & S_BIT)) {
1080 if (((texGenEnabled & T_BIT) && planeT[0] != 0.0) ||
1081 ((texGenEnabled & R_BIT) && planeR[0] != 0.0) ||
1082 ((texGenEnabled & Q_BIT) && planeQ[0] != 0.0)) {
1083 needtgenable |= S_BIT;
1084 }
1085 }
1086 if (!(texGenEnabled & T_BIT)) {
1087 if (((texGenEnabled & S_BIT) && planeS[1] != 0.0) ||
1088 ((texGenEnabled & R_BIT) && planeR[1] != 0.0) ||
1089 ((texGenEnabled & Q_BIT) && planeQ[1] != 0.0)) {
1090 needtgenable |= T_BIT;
1091 }
1092 }
1093 if (!(texGenEnabled & R_BIT)) {
1094 if (((texGenEnabled & S_BIT) && planeS[2] != 0.0) ||
1095 ((texGenEnabled & T_BIT) && planeT[2] != 0.0) ||
1096 ((texGenEnabled & Q_BIT) && planeQ[2] != 0.0)) {
1097 needtgenable |= R_BIT;
1098 }
1099 }
1100 if (!(texGenEnabled & Q_BIT)) {
1101 if (((texGenEnabled & S_BIT) && planeS[3] != 0.0) ||
1102 ((texGenEnabled & T_BIT) && planeT[3] != 0.0) ||
1103 ((texGenEnabled & R_BIT) && planeR[3] != 0.0)) {
1104 needtgenable |= Q_BIT;
1105 }
1106 }
1107
1108 return needtgenable;
1109 }
1110
1111
1112 /*
1113 * Returns GL_FALSE if fallback required.
1114 */
1115 static GLboolean r200_validate_texgen( GLcontext *ctx, GLuint unit )
1116 {
1117 r200ContextPtr rmesa = R200_CONTEXT(ctx);
1118 const struct gl_texture_unit *texUnit = &ctx->Texture.Unit[unit];
1119 GLuint inputshift = R200_TEXGEN_0_INPUT_SHIFT + unit*4;
1120 GLuint tgi, tgcm;
1121 GLuint mode = 0;
1122 GLboolean mixed_fallback = GL_FALSE;
1123 static const GLfloat I[16] = {
1124 1, 0, 0, 0,
1125 0, 1, 0, 0,
1126 0, 0, 1, 0,
1127 0, 0, 0, 1 };
1128 static const GLfloat reflect[16] = {
1129 -1, 0, 0, 0,
1130 0, -1, 0, 0,
1131 0, 0, -1, 0,
1132 0, 0, 0, 1 };
1133
1134 rmesa->TexGenCompSel &= ~(R200_OUTPUT_TEX_0 << unit);
1135 rmesa->TexGenEnabled &= ~(R200_TEXGEN_TEXMAT_0_ENABLE<<unit);
1136 rmesa->TexGenEnabled &= ~(R200_TEXMAT_0_ENABLE<<unit);
1137 rmesa->TexGenNeedNormals[unit] = GL_FALSE;
1138 tgi = rmesa->hw.tcg.cmd[TCG_TEX_PROC_CTL_1] & ~(R200_TEXGEN_INPUT_MASK <<
1139 inputshift);
1140 tgcm = rmesa->hw.tcg.cmd[TCG_TEX_PROC_CTL_2] & ~(R200_TEXGEN_COMP_MASK <<
1141 (unit * 4));
1142
1143 if (0)
1144 fprintf(stderr, "%s unit %d\n", __FUNCTION__, unit);
1145
1146 if (texUnit->TexGenEnabled & S_BIT) {
1147 mode = texUnit->GenModeS;
1148 } else {
1149 tgcm |= R200_TEXGEN_COMP_S << (unit * 4);
1150 }
1151
1152 if (texUnit->TexGenEnabled & T_BIT) {
1153 if (texUnit->GenModeT != mode)
1154 mixed_fallback = GL_TRUE;
1155 } else {
1156 tgcm |= R200_TEXGEN_COMP_T << (unit * 4);
1157 }
1158 if (texUnit->TexGenEnabled & R_BIT) {
1159 if (texUnit->GenModeR != mode)
1160 mixed_fallback = GL_TRUE;
1161 } else {
1162 tgcm |= R200_TEXGEN_COMP_R << (unit * 4);
1163 }
1164
1165 if (texUnit->TexGenEnabled & Q_BIT) {
1166 if (texUnit->GenModeQ != mode)
1167 mixed_fallback = GL_TRUE;
1168 } else {
1169 tgcm |= R200_TEXGEN_COMP_Q << (unit * 4);
1170 }
1171
1172 if (mixed_fallback) {
1173 if (R200_DEBUG & DEBUG_FALLBACKS)
1174 fprintf(stderr, "fallback mixed texgen, 0x%x (0x%x 0x%x 0x%x 0x%x)\n",
1175 texUnit->TexGenEnabled, texUnit->GenModeS, texUnit->GenModeT,
1176 texUnit->GenModeR, texUnit->GenModeQ);
1177 return GL_FALSE;
1178 }
1179
1180 /* we CANNOT do mixed mode if the texgen mode requires a plane where the input
1181 is not enabled for texgen, since the planes are concatenated into texmat,
1182 and thus the input will come from texcoord rather than tex gen equation!
1183 Either fallback or just hope that those texcoords aren't really needed...
1184 Assuming the former will cause lots of unnecessary fallbacks, the latter will
1185 generate bogus results sometimes - it's pretty much impossible to really know
1186 when a fallback is needed, depends on texmat and what sort of texture is bound
1187 etc, - for now fallback if we're missing either S or T bits, there's a high
1188 probability we need the texcoords in that case.
1189 That's a lot of work for some obscure texgen mixed mode fixup - why oh why
1190 doesn't the chip just directly accept the plane parameters :-(. */
1191 switch (mode) {
1192 case GL_OBJECT_LINEAR: {
1193 GLuint needtgenable = r200_need_dis_texgen( texUnit->TexGenEnabled,
1194 texUnit->ObjectPlaneS, texUnit->ObjectPlaneT,
1195 texUnit->ObjectPlaneR, texUnit->ObjectPlaneQ );
1196 if (needtgenable & (S_BIT | T_BIT)) {
1197 if (R200_DEBUG & DEBUG_FALLBACKS)
1198 fprintf(stderr, "fallback mixed texgen / obj plane, 0x%x\n",
1199 texUnit->TexGenEnabled);
1200 return GL_FALSE;
1201 }
1202 if (needtgenable & (R_BIT)) {
1203 tgcm &= ~(R200_TEXGEN_COMP_R << (unit * 4));
1204 }
1205 if (needtgenable & (Q_BIT)) {
1206 tgcm &= ~(R200_TEXGEN_COMP_Q << (unit * 4));
1207 }
1208
1209 tgi |= R200_TEXGEN_INPUT_OBJ << inputshift;
1210 set_texgen_matrix( rmesa, unit,
1211 (texUnit->TexGenEnabled & S_BIT) ? texUnit->ObjectPlaneS : I,
1212 (texUnit->TexGenEnabled & T_BIT) ? texUnit->ObjectPlaneT : I + 4,
1213 (texUnit->TexGenEnabled & R_BIT) ? texUnit->ObjectPlaneR : I + 8,
1214 (texUnit->TexGenEnabled & Q_BIT) ? texUnit->ObjectPlaneQ : I + 12);
1215 }
1216 break;
1217
1218 case GL_EYE_LINEAR: {
1219 GLuint needtgenable = r200_need_dis_texgen( texUnit->TexGenEnabled,
1220 texUnit->EyePlaneS, texUnit->EyePlaneT,
1221 texUnit->EyePlaneR, texUnit->EyePlaneQ );
1222 if (needtgenable & (S_BIT | T_BIT)) {
1223 if (R200_DEBUG & DEBUG_FALLBACKS)
1224 fprintf(stderr, "fallback mixed texgen / eye plane, 0x%x\n",
1225 texUnit->TexGenEnabled);
1226 return GL_FALSE;
1227 }
1228 if (needtgenable & (R_BIT)) {
1229 tgcm &= ~(R200_TEXGEN_COMP_R << (unit * 4));
1230 }
1231 if (needtgenable & (Q_BIT)) {
1232 tgcm &= ~(R200_TEXGEN_COMP_Q << (unit * 4));
1233 }
1234 tgi |= R200_TEXGEN_INPUT_EYE << inputshift;
1235 set_texgen_matrix( rmesa, unit,
1236 (texUnit->TexGenEnabled & S_BIT) ? texUnit->EyePlaneS : I,
1237 (texUnit->TexGenEnabled & T_BIT) ? texUnit->EyePlaneT : I + 4,
1238 (texUnit->TexGenEnabled & R_BIT) ? texUnit->EyePlaneR : I + 8,
1239 (texUnit->TexGenEnabled & Q_BIT) ? texUnit->EyePlaneQ : I + 12);
1240 }
1241 break;
1242
1243 case GL_REFLECTION_MAP_NV:
1244 rmesa->TexGenNeedNormals[unit] = GL_TRUE;
1245 tgi |= R200_TEXGEN_INPUT_EYE_REFLECT << inputshift;
1246 /* pretty weird, must only negate when lighting is enabled? */
1247 if (ctx->Light.Enabled)
1248 set_texgen_matrix( rmesa, unit,
1249 (texUnit->TexGenEnabled & S_BIT) ? reflect : I,
1250 (texUnit->TexGenEnabled & T_BIT) ? reflect + 4 : I + 4,
1251 (texUnit->TexGenEnabled & R_BIT) ? reflect + 8 : I + 8,
1252 I + 12);
1253 break;
1254
1255 case GL_NORMAL_MAP_NV:
1256 rmesa->TexGenNeedNormals[unit] = GL_TRUE;
1257 tgi |= R200_TEXGEN_INPUT_EYE_NORMAL<<inputshift;
1258 break;
1259
1260 case GL_SPHERE_MAP:
1261 rmesa->TexGenNeedNormals[unit] = GL_TRUE;
1262 tgi |= R200_TEXGEN_INPUT_SPHERE<<inputshift;
1263 break;
1264
1265 case 0:
1266 /* All texgen units were disabled, so just pass coords through. */
1267 tgi |= unit << inputshift;
1268 break;
1269
1270 default:
1271 /* Unsupported mode, fallback:
1272 */
1273 if (R200_DEBUG & DEBUG_FALLBACKS)
1274 fprintf(stderr, "fallback unsupported texgen, %d\n",
1275 texUnit->GenModeS);
1276 return GL_FALSE;
1277 }
1278
1279 rmesa->TexGenEnabled |= R200_TEXGEN_TEXMAT_0_ENABLE << unit;
1280 rmesa->TexGenCompSel |= R200_OUTPUT_TEX_0 << unit;
1281
1282 if (tgi != rmesa->hw.tcg.cmd[TCG_TEX_PROC_CTL_1] ||
1283 tgcm != rmesa->hw.tcg.cmd[TCG_TEX_PROC_CTL_2])
1284 {
1285 R200_STATECHANGE(rmesa, tcg);
1286 rmesa->hw.tcg.cmd[TCG_TEX_PROC_CTL_1] = tgi;
1287 rmesa->hw.tcg.cmd[TCG_TEX_PROC_CTL_2] = tgcm;
1288 }
1289
1290 return GL_TRUE;
1291 }
1292
1293 void set_re_cntl_d3d( GLcontext *ctx, int unit, GLboolean use_d3d )
1294 {
1295 r200ContextPtr rmesa = R200_CONTEXT(ctx);
1296
1297 GLuint re_cntl;
1298
1299 re_cntl = rmesa->hw.set.cmd[SET_RE_CNTL] & ~(R200_VTX_STQ0_D3D << (2 * unit));
1300 if (use_d3d)
1301 re_cntl |= R200_VTX_STQ0_D3D << (2 * unit);
1302
1303 if ( re_cntl != rmesa->hw.set.cmd[SET_RE_CNTL] ) {
1304 R200_STATECHANGE( rmesa, set );
1305 rmesa->hw.set.cmd[SET_RE_CNTL] = re_cntl;
1306 }
1307 }
1308
1309 /**
1310 * Compute the cached hardware register values for the given texture object.
1311 *
1312 * \param rmesa Context pointer
1313 * \param t the r300 texture object
1314 */
1315 static void setup_hardware_state(r200ContextPtr rmesa, radeonTexObj *t)
1316 {
1317 const struct gl_texture_image *firstImage =
1318 t->base.Image[0][t->mt->firstLevel];
1319 GLint log2Width, log2Height, log2Depth, texelBytes;
1320
1321 log2Width = firstImage->WidthLog2;
1322 log2Height = firstImage->HeightLog2;
1323 log2Depth = firstImage->DepthLog2;
1324 texelBytes = firstImage->TexFormat->TexelBytes;
1325
1326
1327 if (!t->image_override) {
1328 if (VALID_FORMAT(firstImage->TexFormat->MesaFormat)) {
1329 const struct tx_table *table = _mesa_little_endian() ? tx_table_le :
1330 tx_table_be;
1331
1332 t->pp_txformat &= ~(R200_TXFORMAT_FORMAT_MASK |
1333 R200_TXFORMAT_ALPHA_IN_MAP);
1334 t->pp_txfilter &= ~R200_YUV_TO_RGB;
1335
1336 t->pp_txformat |= table[ firstImage->TexFormat->MesaFormat ].format;
1337 t->pp_txfilter |= table[ firstImage->TexFormat->MesaFormat ].filter;
1338 } else {
1339 _mesa_problem(NULL, "unexpected texture format in %s",
1340 __FUNCTION__);
1341 return;
1342 }
1343 }
1344
1345 t->pp_txfilter &= ~R200_MAX_MIP_LEVEL_MASK;
1346 t->pp_txfilter |= (t->mt->lastLevel - t->mt->firstLevel) << R200_MAX_MIP_LEVEL_SHIFT;
1347
1348 t->pp_txformat &= ~(R200_TXFORMAT_WIDTH_MASK |
1349 R200_TXFORMAT_HEIGHT_MASK |
1350 R200_TXFORMAT_CUBIC_MAP_ENABLE |
1351 R200_TXFORMAT_F5_WIDTH_MASK |
1352 R200_TXFORMAT_F5_HEIGHT_MASK);
1353 t->pp_txformat |= ((log2Width << R200_TXFORMAT_WIDTH_SHIFT) |
1354 (log2Height << R200_TXFORMAT_HEIGHT_SHIFT));
1355
1356 t->tile_bits = 0;
1357
1358 t->pp_txformat_x &= ~(R200_DEPTH_LOG2_MASK | R200_TEXCOORD_MASK);
1359 if (t->base.Target == GL_TEXTURE_3D) {
1360 t->pp_txformat_x |= (log2Depth << R200_DEPTH_LOG2_SHIFT);
1361 t->pp_txformat_x |= R200_TEXCOORD_VOLUME;
1362
1363 }
1364 else if (t->base.Target == GL_TEXTURE_CUBE_MAP) {
1365 ASSERT(log2Width == log2Height);
1366 t->pp_txformat |= ((log2Width << R200_TXFORMAT_F5_WIDTH_SHIFT) |
1367 (log2Height << R200_TXFORMAT_F5_HEIGHT_SHIFT) |
1368 /* don't think we need this bit, if it exists at all - fglrx does not set it */
1369 (R200_TXFORMAT_CUBIC_MAP_ENABLE));
1370 t->pp_txformat_x |= R200_TEXCOORD_CUBIC_ENV;
1371 t->pp_cubic_faces = ((log2Width << R200_FACE_WIDTH_1_SHIFT) |
1372 (log2Height << R200_FACE_HEIGHT_1_SHIFT) |
1373 (log2Width << R200_FACE_WIDTH_2_SHIFT) |
1374 (log2Height << R200_FACE_HEIGHT_2_SHIFT) |
1375 (log2Width << R200_FACE_WIDTH_3_SHIFT) |
1376 (log2Height << R200_FACE_HEIGHT_3_SHIFT) |
1377 (log2Width << R200_FACE_WIDTH_4_SHIFT) |
1378 (log2Height << R200_FACE_HEIGHT_4_SHIFT));
1379 }
1380 else {
1381 /* If we don't in fact send enough texture coordinates, q will be 1,
1382 * making TEXCOORD_PROJ act like TEXCOORD_NONPROJ (Right?)
1383 */
1384 t->pp_txformat_x |= R200_TEXCOORD_PROJ;
1385 }
1386
1387 t->pp_txsize = (((firstImage->Width - 1) << R200_PP_TX_WIDTHMASK_SHIFT)
1388 | ((firstImage->Height - 1) << R200_PP_TX_HEIGHTMASK_SHIFT));
1389
1390 if ( !t->image_override ) {
1391 if (firstImage->IsCompressed)
1392 t->pp_txpitch = (firstImage->Width + 63) & ~(63);
1393 else
1394 t->pp_txpitch = ((firstImage->Width * texelBytes) + 63) & ~(63);
1395 t->pp_txpitch -= 32;
1396 }
1397
1398 if (t->base.Target == GL_TEXTURE_RECTANGLE_NV) {
1399 t->pp_txformat |= R200_TXFORMAT_NON_POWER2;
1400 }
1401
1402 }
1403
1404 static GLboolean r200_validate_texture(GLcontext *ctx, struct gl_texture_object *texObj, int unit)
1405 {
1406 r200ContextPtr rmesa = R200_CONTEXT(ctx);
1407 radeonTexObj *t = radeon_tex_obj(texObj);
1408
1409 if (!radeon_validate_texture_miptree(ctx, texObj))
1410 return GL_FALSE;
1411
1412 r200_validate_texgen(ctx, unit);
1413 /* Configure the hardware registers (more precisely, the cached version
1414 * of the hardware registers). */
1415 setup_hardware_state(rmesa, t);
1416
1417 if (texObj->Target == GL_TEXTURE_RECTANGLE_NV ||
1418 texObj->Target == GL_TEXTURE_2D ||
1419 texObj->Target == GL_TEXTURE_1D)
1420 set_re_cntl_d3d( ctx, unit, GL_FALSE );
1421 else
1422 set_re_cntl_d3d( ctx, unit, GL_TRUE );
1423 R200_STATECHANGE( rmesa, ctx );
1424 rmesa->hw.ctx.cmd[CTX_PP_CNTL] |= R200_TEX_0_ENABLE << unit;
1425
1426 R200_STATECHANGE( rmesa, vtx );
1427 rmesa->hw.vtx.cmd[VTX_TCL_OUTPUT_VTXFMT_1] &= ~(7 << (unit * 3));
1428 rmesa->hw.vtx.cmd[VTX_TCL_OUTPUT_VTXFMT_1] |= 4 << (unit * 3);
1429
1430 rmesa->recheck_texgen[unit] = GL_TRUE;
1431 if (t->dirty_state & (1<<unit)) {
1432 import_tex_obj_state( rmesa, unit, t );
1433 }
1434
1435 if (rmesa->recheck_texgen[unit]) {
1436 GLboolean fallback = !r200_validate_texgen( ctx, unit );
1437 TCL_FALLBACK( ctx, (R200_TCL_FALLBACK_TEXGEN_0<<unit), fallback);
1438 rmesa->recheck_texgen[unit] = 0;
1439 rmesa->radeon.NewGLState |= _NEW_TEXTURE_MATRIX;
1440 }
1441
1442 t->dirty_state = R200_TEX_ALL;
1443
1444 t->validated = GL_TRUE;
1445
1446 FALLBACK( rmesa, RADEON_FALLBACK_BORDER_MODE, t->border_fallback );
1447
1448 return !t->border_fallback;
1449 }
1450
1451 static GLboolean r200UpdateTextureUnit(GLcontext *ctx, int unit)
1452 {
1453 r200ContextPtr rmesa = R200_CONTEXT(ctx);
1454 GLuint unitneeded = rmesa->state.texture.unit[unit].unitneeded;
1455
1456 if (!unitneeded) {
1457 /* disable the unit */
1458 disable_tex_obj_state(rmesa, unit);
1459 return GL_TRUE;
1460 }
1461
1462 if (!r200_validate_texture(ctx, ctx->Texture.Unit[unit]._Current, unit)) {
1463 _mesa_warning(ctx,
1464 "failed to validate texture for unit %d.\n",
1465 unit);
1466 rmesa->state.texture.unit[unit].texobj = NULL;
1467 return GL_FALSE;
1468 }
1469
1470 rmesa->state.texture.unit[unit].texobj = radeon_tex_obj(ctx->Texture.Unit[unit]._Current);
1471 return GL_TRUE;
1472 }
1473
1474
1475 void r200UpdateTextureState( GLcontext *ctx )
1476 {
1477 r200ContextPtr rmesa = R200_CONTEXT(ctx);
1478 GLboolean ok;
1479 GLuint dbg;
1480
1481 /* NOTE: must not manipulate rmesa->state.texture.unit[].unitneeded or
1482 rmesa->state.envneeded before a R200_STATECHANGE (or R200_NEWPRIM) since
1483 we use these to determine if we want to emit the corresponding state
1484 atoms. */
1485 R200_NEWPRIM( rmesa );
1486
1487 if (ctx->ATIFragmentShader._Enabled) {
1488 GLuint i;
1489 for (i = 0; i < R200_MAX_TEXTURE_UNITS; i++) {
1490 rmesa->state.texture.unit[i].unitneeded = ctx->Texture.Unit[i]._ReallyEnabled;
1491 }
1492 ok = GL_TRUE;
1493 }
1494 else {
1495 ok = r200UpdateAllTexEnv( ctx );
1496 }
1497 if (ok) {
1498 ok = (r200UpdateTextureUnit( ctx, 0 ) &&
1499 r200UpdateTextureUnit( ctx, 1 ) &&
1500 r200UpdateTextureUnit( ctx, 2 ) &&
1501 r200UpdateTextureUnit( ctx, 3 ) &&
1502 r200UpdateTextureUnit( ctx, 4 ) &&
1503 r200UpdateTextureUnit( ctx, 5 ));
1504 }
1505
1506 if (ok && ctx->ATIFragmentShader._Enabled) {
1507 r200UpdateFragmentShader(ctx);
1508 }
1509
1510 FALLBACK( rmesa, R200_FALLBACK_TEXTURE, !ok );
1511
1512 if (rmesa->radeon.TclFallback)
1513 r200ChooseVertexState( ctx );
1514
1515
1516 if (rmesa->radeon.radeonScreen->chip_family == CHIP_FAMILY_R200) {
1517
1518 /*
1519 * T0 hang workaround -------------
1520 * not needed for r200 derivatives
1521 */
1522 if ((rmesa->hw.ctx.cmd[CTX_PP_CNTL] & R200_TEX_ENABLE_MASK) == R200_TEX_0_ENABLE &&
1523 (rmesa->hw.tex[0].cmd[TEX_PP_TXFILTER] & R200_MIN_FILTER_MASK) > R200_MIN_FILTER_LINEAR) {
1524
1525 R200_STATECHANGE(rmesa, ctx);
1526 R200_STATECHANGE(rmesa, tex[1]);
1527 rmesa->hw.ctx.cmd[CTX_PP_CNTL] |= R200_TEX_1_ENABLE;
1528 if (!(rmesa->hw.cst.cmd[CST_PP_CNTL_X] & R200_PPX_TEX_1_ENABLE))
1529 rmesa->hw.tex[1].cmd[TEX_PP_TXFORMAT] &= ~TEXOBJ_TXFORMAT_MASK;
1530 rmesa->hw.tex[1].cmd[TEX_PP_TXFORMAT] |= R200_TXFORMAT_LOOKUP_DISABLE;
1531 }
1532 else if (!ctx->ATIFragmentShader._Enabled) {
1533 if ((rmesa->hw.ctx.cmd[CTX_PP_CNTL] & R200_TEX_1_ENABLE) &&
1534 (rmesa->hw.tex[1].cmd[TEX_PP_TXFORMAT] & R200_TXFORMAT_LOOKUP_DISABLE)) {
1535 R200_STATECHANGE(rmesa, tex[1]);
1536 rmesa->hw.tex[1].cmd[TEX_PP_TXFORMAT] &= ~R200_TXFORMAT_LOOKUP_DISABLE;
1537 }
1538 }
1539 /* do the same workaround for the first pass of a fragment shader.
1540 * completely unknown if necessary / sufficient.
1541 */
1542 if ((rmesa->hw.cst.cmd[CST_PP_CNTL_X] & R200_PPX_TEX_ENABLE_MASK) == R200_PPX_TEX_0_ENABLE &&
1543 (rmesa->hw.tex[0].cmd[TEX_PP_TXFILTER] & R200_MIN_FILTER_MASK) > R200_MIN_FILTER_LINEAR) {
1544
1545 R200_STATECHANGE(rmesa, cst);
1546 R200_STATECHANGE(rmesa, tex[1]);
1547 rmesa->hw.cst.cmd[CST_PP_CNTL_X] |= R200_PPX_TEX_1_ENABLE;
1548 if (!(rmesa->hw.ctx.cmd[CTX_PP_CNTL] & R200_TEX_1_ENABLE))
1549 rmesa->hw.tex[1].cmd[TEX_PP_TXFORMAT] &= ~TEXOBJ_TXFORMAT_MASK;
1550 rmesa->hw.tex[1].cmd[TEX_PP_TXMULTI_CTL] |= R200_PASS1_TXFORMAT_LOOKUP_DISABLE;
1551 }
1552
1553 /* maybe needs to be done pairwise due to 2 parallel (physical) tex units ?
1554 looks like that's not the case, if 8500/9100 owners don't complain remove this...
1555 for ( i = 0; i < ctx->Const.MaxTextureUnits; i += 2) {
1556 if (((rmesa->hw.ctx.cmd[CTX_PP_CNTL] & ((R200_TEX_0_ENABLE |
1557 R200_TEX_1_ENABLE ) << i)) == (R200_TEX_0_ENABLE << i)) &&
1558 ((rmesa->hw.tex[i].cmd[TEX_PP_TXFILTER] & R200_MIN_FILTER_MASK) >
1559 R200_MIN_FILTER_LINEAR)) {
1560 R200_STATECHANGE(rmesa, ctx);
1561 R200_STATECHANGE(rmesa, tex[i+1]);
1562 rmesa->hw.ctx.cmd[CTX_PP_CNTL] |= (R200_TEX_1_ENABLE << i);
1563 rmesa->hw.tex[i+1].cmd[TEX_PP_TXFORMAT] &= ~TEXOBJ_TXFORMAT_MASK;
1564 rmesa->hw.tex[i+1].cmd[TEX_PP_TXFORMAT] |= 0x08000000;
1565 }
1566 else {
1567 if ((rmesa->hw.ctx.cmd[CTX_PP_CNTL] & (R200_TEX_1_ENABLE << i)) &&
1568 (rmesa->hw.tex[i+1].cmd[TEX_PP_TXFORMAT] & 0x08000000)) {
1569 R200_STATECHANGE(rmesa, tex[i+1]);
1570 rmesa->hw.tex[i+1].cmd[TEX_PP_TXFORMAT] &= ~0x08000000;
1571 }
1572 }
1573 } */
1574
1575 /*
1576 * Texture cache LRU hang workaround -------------
1577 * not needed for r200 derivatives
1578 * hopefully this covers first pass of a shader as well
1579 */
1580
1581 /* While the cases below attempt to only enable the workaround in the
1582 * specific cases necessary, they were insufficient. See bugzilla #1519,
1583 * #729, #814. Tests with quake3 showed no impact on performance.
1584 */
1585 dbg = 0x6;
1586
1587 /*
1588 if (((rmesa->hw.ctx.cmd[CTX_PP_CNTL] & (R200_TEX_0_ENABLE )) &&
1589 ((((rmesa->hw.tex[0].cmd[TEX_PP_TXFILTER] & R200_MIN_FILTER_MASK)) &
1590 0x04) == 0)) ||
1591 ((rmesa->hw.ctx.cmd[CTX_PP_CNTL] & R200_TEX_2_ENABLE) &&
1592 ((((rmesa->hw.tex[2].cmd[TEX_PP_TXFILTER] & R200_MIN_FILTER_MASK)) &
1593 0x04) == 0)) ||
1594 ((rmesa->hw.ctx.cmd[CTX_PP_CNTL] & R200_TEX_4_ENABLE) &&
1595 ((((rmesa->hw.tex[4].cmd[TEX_PP_TXFILTER] & R200_MIN_FILTER_MASK)) &
1596 0x04) == 0)))
1597 {
1598 dbg |= 0x02;
1599 }
1600
1601 if (((rmesa->hw.ctx.cmd[CTX_PP_CNTL] & (R200_TEX_1_ENABLE )) &&
1602 ((((rmesa->hw.tex[1].cmd[TEX_PP_TXFILTER] & R200_MIN_FILTER_MASK)) &
1603 0x04) == 0)) ||
1604 ((rmesa->hw.ctx.cmd[CTX_PP_CNTL] & R200_TEX_3_ENABLE) &&
1605 ((((rmesa->hw.tex[3].cmd[TEX_PP_TXFILTER] & R200_MIN_FILTER_MASK)) &
1606 0x04) == 0)) ||
1607 ((rmesa->hw.ctx.cmd[CTX_PP_CNTL] & R200_TEX_5_ENABLE) &&
1608 ((((rmesa->hw.tex[5].cmd[TEX_PP_TXFILTER] & R200_MIN_FILTER_MASK)) &
1609 0x04) == 0)))
1610 {
1611 dbg |= 0x04;
1612 }*/
1613
1614 if (dbg != rmesa->hw.tam.cmd[TAM_DEBUG3]) {
1615 R200_STATECHANGE( rmesa, tam );
1616 rmesa->hw.tam.cmd[TAM_DEBUG3] = dbg;
1617 if (0) printf("TEXCACHE LRU HANG WORKAROUND %x\n", dbg);
1618 }
1619 }
1620 }