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r300: replace some hard coded mask by define in stencil area
[mesa.git] / src / mesa / drivers / dri / r300 / r300_state.c
1 /*
2 Copyright (C) The Weather Channel, Inc. 2002.
3 Copyright (C) 2004 Nicolai Haehnle.
4 All Rights Reserved.
5
6 The Weather Channel (TM) funded Tungsten Graphics to develop the
7 initial release of the Radeon 8500 driver under the XFree86 license.
8 This notice must be preserved.
9
10 Permission is hereby granted, free of charge, to any person obtaining
11 a copy of this software and associated documentation files (the
12 "Software"), to deal in the Software without restriction, including
13 without limitation the rights to use, copy, modify, merge, publish,
14 distribute, sublicense, and/or sell copies of the Software, and to
15 permit persons to whom the Software is furnished to do so, subject to
16 the following conditions:
17
18 The above copyright notice and this permission notice (including the
19 next paragraph) shall be included in all copies or substantial
20 portions of the Software.
21
22 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
23 EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
24 MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
25 IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
26 LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
27 OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
28 WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
29
30 **************************************************************************/
31
32 /**
33 * \file
34 *
35 * \author Nicolai Haehnle <prefect_@gmx.net>
36 */
37
38 #include "glheader.h"
39 #include "state.h"
40 #include "imports.h"
41 #include "enums.h"
42 #include "macros.h"
43 #include "context.h"
44 #include "dd.h"
45 #include "simple_list.h"
46
47 #include "api_arrayelt.h"
48 #include "swrast/swrast.h"
49 #include "swrast_setup/swrast_setup.h"
50 #include "shader/prog_parameter.h"
51 #include "shader/prog_statevars.h"
52 #include "vbo/vbo.h"
53 #include "tnl/tnl.h"
54 #include "texformat.h"
55
56 #include "radeon_ioctl.h"
57 #include "radeon_state.h"
58 #include "r300_context.h"
59 #include "r300_ioctl.h"
60 #include "r300_state.h"
61 #include "r300_reg.h"
62 #include "r300_emit.h"
63 #include "r300_fragprog.h"
64 #include "r300_tex.h"
65
66 #include "drirenderbuffer.h"
67
68 extern int future_hw_tcl_on;
69 extern void _tnl_UpdateFixedFunctionProgram(GLcontext * ctx);
70
71 static void r300BlendColor(GLcontext * ctx, const GLfloat cf[4])
72 {
73 GLubyte color[4];
74 r300ContextPtr rmesa = R300_CONTEXT(ctx);
75
76 R300_STATECHANGE(rmesa, blend_color);
77
78 CLAMPED_FLOAT_TO_UBYTE(color[0], cf[0]);
79 CLAMPED_FLOAT_TO_UBYTE(color[1], cf[1]);
80 CLAMPED_FLOAT_TO_UBYTE(color[2], cf[2]);
81 CLAMPED_FLOAT_TO_UBYTE(color[3], cf[3]);
82
83 rmesa->hw.blend_color.cmd[1] = PACK_COLOR_8888(color[3], color[0],
84 color[1], color[2]);
85 rmesa->hw.blend_color.cmd[2] = 0;
86 rmesa->hw.blend_color.cmd[3] = 0;
87 }
88
89 /**
90 * Calculate the hardware blend factor setting. This same function is used
91 * for source and destination of both alpha and RGB.
92 *
93 * \returns
94 * The hardware register value for the specified blend factor. This value
95 * will need to be shifted into the correct position for either source or
96 * destination factor.
97 *
98 * \todo
99 * Since the two cases where source and destination are handled differently
100 * are essentially error cases, they should never happen. Determine if these
101 * cases can be removed.
102 */
103 static int blend_factor(GLenum factor, GLboolean is_src)
104 {
105 switch (factor) {
106 case GL_ZERO:
107 return R300_BLEND_GL_ZERO;
108 break;
109 case GL_ONE:
110 return R300_BLEND_GL_ONE;
111 break;
112 case GL_DST_COLOR:
113 return R300_BLEND_GL_DST_COLOR;
114 break;
115 case GL_ONE_MINUS_DST_COLOR:
116 return R300_BLEND_GL_ONE_MINUS_DST_COLOR;
117 break;
118 case GL_SRC_COLOR:
119 return R300_BLEND_GL_SRC_COLOR;
120 break;
121 case GL_ONE_MINUS_SRC_COLOR:
122 return R300_BLEND_GL_ONE_MINUS_SRC_COLOR;
123 break;
124 case GL_SRC_ALPHA:
125 return R300_BLEND_GL_SRC_ALPHA;
126 break;
127 case GL_ONE_MINUS_SRC_ALPHA:
128 return R300_BLEND_GL_ONE_MINUS_SRC_ALPHA;
129 break;
130 case GL_DST_ALPHA:
131 return R300_BLEND_GL_DST_ALPHA;
132 break;
133 case GL_ONE_MINUS_DST_ALPHA:
134 return R300_BLEND_GL_ONE_MINUS_DST_ALPHA;
135 break;
136 case GL_SRC_ALPHA_SATURATE:
137 return (is_src) ? R300_BLEND_GL_SRC_ALPHA_SATURATE :
138 R300_BLEND_GL_ZERO;
139 break;
140 case GL_CONSTANT_COLOR:
141 return R300_BLEND_GL_CONST_COLOR;
142 break;
143 case GL_ONE_MINUS_CONSTANT_COLOR:
144 return R300_BLEND_GL_ONE_MINUS_CONST_COLOR;
145 break;
146 case GL_CONSTANT_ALPHA:
147 return R300_BLEND_GL_CONST_ALPHA;
148 break;
149 case GL_ONE_MINUS_CONSTANT_ALPHA:
150 return R300_BLEND_GL_ONE_MINUS_CONST_ALPHA;
151 break;
152 default:
153 fprintf(stderr, "unknown blend factor %x\n", factor);
154 return (is_src) ? R300_BLEND_GL_ONE : R300_BLEND_GL_ZERO;
155 break;
156 }
157 }
158
159 /**
160 * Sets both the blend equation and the blend function.
161 * This is done in a single
162 * function because some blend equations (i.e., \c GL_MIN and \c GL_MAX)
163 * change the interpretation of the blend function.
164 * Also, make sure that blend function and blend equation are set to their
165 * default value if color blending is not enabled, since at least blend
166 * equations GL_MIN and GL_FUNC_REVERSE_SUBTRACT will cause wrong results
167 * otherwise for unknown reasons.
168 */
169
170 /* helper function */
171 static void r300SetBlendCntl(r300ContextPtr r300, int func, int eqn,
172 int cbits, int funcA, int eqnA)
173 {
174 GLuint new_ablend, new_cblend;
175
176 #if 0
177 fprintf(stderr,
178 "eqnA=%08x funcA=%08x eqn=%08x func=%08x cbits=%08x\n",
179 eqnA, funcA, eqn, func, cbits);
180 #endif
181 new_ablend = eqnA | funcA;
182 new_cblend = eqn | func;
183
184 /* Some blend factor combinations don't seem to work when the
185 * BLEND_NO_SEPARATE bit is set.
186 *
187 * Especially problematic candidates are the ONE_MINUS_* flags,
188 * but I can't see a real pattern.
189 */
190 #if 0
191 if (new_ablend == new_cblend) {
192 new_cblend |= R300_BLEND_NO_SEPARATE;
193 }
194 #endif
195 new_cblend |= cbits;
196
197 if ((new_ablend != r300->hw.bld.cmd[R300_BLD_ABLEND]) ||
198 (new_cblend != r300->hw.bld.cmd[R300_BLD_CBLEND])) {
199 R300_STATECHANGE(r300, bld);
200 r300->hw.bld.cmd[R300_BLD_ABLEND] = new_ablend;
201 r300->hw.bld.cmd[R300_BLD_CBLEND] = new_cblend;
202 }
203 }
204
205 static void r300SetBlendState(GLcontext * ctx)
206 {
207 r300ContextPtr r300 = R300_CONTEXT(ctx);
208 int func = (R300_BLEND_GL_ONE << R300_SRC_BLEND_SHIFT) |
209 (R300_BLEND_GL_ZERO << R300_DST_BLEND_SHIFT);
210 int eqn = R300_COMB_FCN_ADD_CLAMP;
211 int funcA = (R300_BLEND_GL_ONE << R300_SRC_BLEND_SHIFT) |
212 (R300_BLEND_GL_ZERO << R300_DST_BLEND_SHIFT);
213 int eqnA = R300_COMB_FCN_ADD_CLAMP;
214
215 if (RGBA_LOGICOP_ENABLED(ctx) || !ctx->Color.BlendEnabled) {
216 r300SetBlendCntl(r300, func, eqn, 0, func, eqn);
217 return;
218 }
219
220 func =
221 (blend_factor(ctx->Color.BlendSrcRGB, GL_TRUE) <<
222 R300_SRC_BLEND_SHIFT) | (blend_factor(ctx->Color.BlendDstRGB,
223 GL_FALSE) <<
224 R300_DST_BLEND_SHIFT);
225
226 switch (ctx->Color.BlendEquationRGB) {
227 case GL_FUNC_ADD:
228 eqn = R300_COMB_FCN_ADD_CLAMP;
229 break;
230
231 case GL_FUNC_SUBTRACT:
232 eqn = R300_COMB_FCN_SUB_CLAMP;
233 break;
234
235 case GL_FUNC_REVERSE_SUBTRACT:
236 eqn = R300_COMB_FCN_RSUB_CLAMP;
237 break;
238
239 case GL_MIN:
240 eqn = R300_COMB_FCN_MIN;
241 func = (R300_BLEND_GL_ONE << R300_SRC_BLEND_SHIFT) |
242 (R300_BLEND_GL_ONE << R300_DST_BLEND_SHIFT);
243 break;
244
245 case GL_MAX:
246 eqn = R300_COMB_FCN_MAX;
247 func = (R300_BLEND_GL_ONE << R300_SRC_BLEND_SHIFT) |
248 (R300_BLEND_GL_ONE << R300_DST_BLEND_SHIFT);
249 break;
250
251 default:
252 fprintf(stderr,
253 "[%s:%u] Invalid RGB blend equation (0x%04x).\n",
254 __FUNCTION__, __LINE__, ctx->Color.BlendEquationRGB);
255 return;
256 }
257
258 funcA =
259 (blend_factor(ctx->Color.BlendSrcA, GL_TRUE) <<
260 R300_SRC_BLEND_SHIFT) | (blend_factor(ctx->Color.BlendDstA,
261 GL_FALSE) <<
262 R300_DST_BLEND_SHIFT);
263
264 switch (ctx->Color.BlendEquationA) {
265 case GL_FUNC_ADD:
266 eqnA = R300_COMB_FCN_ADD_CLAMP;
267 break;
268
269 case GL_FUNC_SUBTRACT:
270 eqnA = R300_COMB_FCN_SUB_CLAMP;
271 break;
272
273 case GL_FUNC_REVERSE_SUBTRACT:
274 eqnA = R300_COMB_FCN_RSUB_CLAMP;
275 break;
276
277 case GL_MIN:
278 eqnA = R300_COMB_FCN_MIN;
279 funcA = (R300_BLEND_GL_ONE << R300_SRC_BLEND_SHIFT) |
280 (R300_BLEND_GL_ONE << R300_DST_BLEND_SHIFT);
281 break;
282
283 case GL_MAX:
284 eqnA = R300_COMB_FCN_MAX;
285 funcA = (R300_BLEND_GL_ONE << R300_SRC_BLEND_SHIFT) |
286 (R300_BLEND_GL_ONE << R300_DST_BLEND_SHIFT);
287 break;
288
289 default:
290 fprintf(stderr,
291 "[%s:%u] Invalid A blend equation (0x%04x).\n",
292 __FUNCTION__, __LINE__, ctx->Color.BlendEquationA);
293 return;
294 }
295
296 r300SetBlendCntl(r300,
297 func, eqn,
298 R300_BLEND_UNKNOWN | R300_BLEND_ENABLE, funcA, eqnA);
299 }
300
301 static void r300BlendEquationSeparate(GLcontext * ctx,
302 GLenum modeRGB, GLenum modeA)
303 {
304 r300SetBlendState(ctx);
305 }
306
307 static void r300BlendFuncSeparate(GLcontext * ctx,
308 GLenum sfactorRGB, GLenum dfactorRGB,
309 GLenum sfactorA, GLenum dfactorA)
310 {
311 r300SetBlendState(ctx);
312 }
313
314 static void r300ClipPlane( GLcontext *ctx, GLenum plane, const GLfloat *eq )
315 {
316 r300ContextPtr rmesa = R300_CONTEXT(ctx);
317 GLint p;
318 GLint *ip;
319
320 /* no VAP UCP on non-TCL chipsets */
321 if (!(rmesa->radeon.radeonScreen->chip_flags & RADEON_CHIPSET_TCL))
322 return;
323
324 p = (GLint) plane - (GLint) GL_CLIP_PLANE0;
325 ip = (GLint *)ctx->Transform._ClipUserPlane[p];
326
327 R300_STATECHANGE( rmesa, vpucp[p] );
328 rmesa->hw.vpucp[p].cmd[R300_VPUCP_X] = ip[0];
329 rmesa->hw.vpucp[p].cmd[R300_VPUCP_Y] = ip[1];
330 rmesa->hw.vpucp[p].cmd[R300_VPUCP_Z] = ip[2];
331 rmesa->hw.vpucp[p].cmd[R300_VPUCP_W] = ip[3];
332 }
333
334 static void r300SetClipPlaneState(GLcontext * ctx, GLenum cap, GLboolean state)
335 {
336 r300ContextPtr r300 = R300_CONTEXT(ctx);
337 GLuint p;
338
339 /* no VAP UCP on non-TCL chipsets */
340 if (!(r300->radeon.radeonScreen->chip_flags & RADEON_CHIPSET_TCL))
341 return;
342
343 p = cap - GL_CLIP_PLANE0;
344 R300_STATECHANGE(r300, vap_clip_cntl);
345 if (state) {
346 r300->hw.vap_clip_cntl.cmd[1] |= (R300_VAP_UCP_ENABLE_0 << p);
347 r300ClipPlane(ctx, cap, NULL);
348 } else {
349 r300->hw.vap_clip_cntl.cmd[1] &= ~(R300_VAP_UCP_ENABLE_0 << p);
350 }
351 }
352
353 /**
354 * Update our tracked culling state based on Mesa's state.
355 */
356 static void r300UpdateCulling(GLcontext * ctx)
357 {
358 r300ContextPtr r300 = R300_CONTEXT(ctx);
359 uint32_t val = 0;
360
361 if (ctx->Polygon.CullFlag) {
362 switch (ctx->Polygon.CullFaceMode) {
363 case GL_FRONT:
364 val = R300_CULL_FRONT;
365 break;
366 case GL_BACK:
367 val = R300_CULL_BACK;
368 break;
369 case GL_FRONT_AND_BACK:
370 val = R300_CULL_FRONT | R300_CULL_BACK;
371 break;
372 default:
373 break;
374 }
375 }
376
377 switch (ctx->Polygon.FrontFace) {
378 case GL_CW:
379 val |= R300_FRONT_FACE_CW;
380 break;
381 case GL_CCW:
382 val |= R300_FRONT_FACE_CCW;
383 break;
384 default:
385 break;
386 }
387
388 R300_STATECHANGE(r300, cul);
389 r300->hw.cul.cmd[R300_CUL_CULL] = val;
390 }
391
392 static void r300SetPolygonOffsetState(GLcontext * ctx, GLboolean state)
393 {
394 r300ContextPtr r300 = R300_CONTEXT(ctx);
395
396 R300_STATECHANGE(r300, occlusion_cntl);
397 if (state) {
398 r300->hw.occlusion_cntl.cmd[1] |= (3 << 0);
399 } else {
400 r300->hw.occlusion_cntl.cmd[1] &= ~(3 << 0);
401 }
402 }
403
404 static void r300SetEarlyZState(GLcontext * ctx)
405 {
406 /* updates register R300_RB3D_EARLY_Z (0x4F14)
407 if depth test is not enabled it should be R300_EARLY_Z_DISABLE
408 if depth is enabled and alpha not it should be R300_EARLY_Z_ENABLE
409 if depth and alpha is enabled it should be R300_EARLY_Z_DISABLE
410 */
411 r300ContextPtr r300 = R300_CONTEXT(ctx);
412
413 R300_STATECHANGE(r300, zstencil_format);
414 switch (ctx->Visual.depthBits) {
415 case 16:
416 r300->hw.zstencil_format.cmd[1] = ZB_FORMAR_DEPTHFORMAT_16BIT_INT_Z;
417 break;
418 case 24:
419 r300->hw.zstencil_format.cmd[1] = ZB_FORMAR_DEPTHFORMAT_24BIT_INT_Z;
420 break;
421 default:
422 fprintf(stderr, "Error: Unsupported depth %d... exiting\n", ctx->Visual.depthBits);
423 _mesa_exit(-1);
424 }
425
426 if (ctx->Color.AlphaEnabled && ctx->Color.AlphaFunc != GL_ALWAYS)
427 /* disable early Z */
428 r300->hw.zstencil_format.cmd[2] = R300_EARLY_Z_DISABLE;
429 else {
430 if (ctx->Depth.Test && ctx->Depth.Func != GL_NEVER)
431 /* enable early Z */
432 r300->hw.zstencil_format.cmd[2] = R300_EARLY_Z_ENABLE;
433 else
434 /* disable early Z */
435 r300->hw.zstencil_format.cmd[2] = R300_EARLY_Z_DISABLE;
436 }
437
438 r300->hw.zstencil_format.cmd[3] = 0x00000003;
439 r300->hw.zstencil_format.cmd[4] = 0x00000000;
440 }
441
442 static void r300SetAlphaState(GLcontext * ctx)
443 {
444 r300ContextPtr r300 = R300_CONTEXT(ctx);
445 GLubyte refByte;
446 uint32_t pp_misc = 0x0;
447 GLboolean really_enabled = ctx->Color.AlphaEnabled;
448
449 CLAMPED_FLOAT_TO_UBYTE(refByte, ctx->Color.AlphaRef);
450
451 switch (ctx->Color.AlphaFunc) {
452 case GL_NEVER:
453 pp_misc |= FG_ALPHA_FUNC_NEVER;
454 break;
455 case GL_LESS:
456 pp_misc |= FG_ALPHA_FUNC_LESS;
457 break;
458 case GL_EQUAL:
459 pp_misc |= FG_ALPHA_FUNC_EQUAL;
460 break;
461 case GL_LEQUAL:
462 pp_misc |= FG_ALPHA_FUNC_LE;
463 break;
464 case GL_GREATER:
465 pp_misc |= FG_ALPHA_FUNC_GREATER;
466 break;
467 case GL_NOTEQUAL:
468 pp_misc |= FG_ALPHA_FUNC_NOTEQUAL;
469 break;
470 case GL_GEQUAL:
471 pp_misc |= FG_ALPHA_FUNC_GE;
472 break;
473 case GL_ALWAYS:
474 /*pp_misc |= FG_ALPHA_FUNC_ALWAYS; */
475 really_enabled = GL_FALSE;
476 break;
477 }
478
479 if (really_enabled) {
480 pp_misc |= FG_ALPHA_FUNC_ENABLE;
481 pp_misc |= (refByte & R300_REF_ALPHA_MASK);
482 } else {
483 pp_misc = 0x0;
484 }
485
486 R300_STATECHANGE(r300, at);
487 r300->hw.at.cmd[R300_AT_ALPHA_TEST] = pp_misc;
488 r300->hw.at.cmd[R300_AT_UNKNOWN] = 0;
489
490 r300SetEarlyZState(ctx);
491 }
492
493 static void r300AlphaFunc(GLcontext * ctx, GLenum func, GLfloat ref)
494 {
495 (void)func;
496 (void)ref;
497 r300SetAlphaState(ctx);
498 }
499
500 static int translate_func(int func)
501 {
502 switch (func) {
503 case GL_NEVER:
504 return R300_ZS_NEVER;
505 case GL_LESS:
506 return R300_ZS_LESS;
507 case GL_EQUAL:
508 return R300_ZS_EQUAL;
509 case GL_LEQUAL:
510 return R300_ZS_LEQUAL;
511 case GL_GREATER:
512 return R300_ZS_GREATER;
513 case GL_NOTEQUAL:
514 return R300_ZS_NOTEQUAL;
515 case GL_GEQUAL:
516 return R300_ZS_GEQUAL;
517 case GL_ALWAYS:
518 return R300_ZS_ALWAYS;
519 }
520 return 0;
521 }
522
523 static void r300SetDepthState(GLcontext * ctx)
524 {
525 r300ContextPtr r300 = R300_CONTEXT(ctx);
526
527 R300_STATECHANGE(r300, zs);
528 r300->hw.zs.cmd[R300_ZS_CNTL_0] &= R300_RB3D_STENCIL_ENABLE;
529 r300->hw.zs.cmd[R300_ZS_CNTL_1] &=
530 ~(R300_ZS_MASK << R300_RB3D_ZS1_DEPTH_FUNC_SHIFT);
531
532 if (ctx->Depth.Test && ctx->Depth.Func != GL_NEVER) {
533 if (ctx->Depth.Mask)
534 r300->hw.zs.cmd[R300_ZS_CNTL_0] |=
535 R300_RB3D_Z_TEST_AND_WRITE;
536 else
537 r300->hw.zs.cmd[R300_ZS_CNTL_0] |= R300_RB3D_Z_TEST;
538
539 r300->hw.zs.cmd[R300_ZS_CNTL_1] |=
540 translate_func(ctx->Depth.
541 Func) << R300_RB3D_ZS1_DEPTH_FUNC_SHIFT;
542 } else {
543 r300->hw.zs.cmd[R300_ZS_CNTL_0] |= R300_RB3D_Z_DISABLED_1;
544 r300->hw.zs.cmd[R300_ZS_CNTL_1] |=
545 translate_func(GL_NEVER) << R300_RB3D_ZS1_DEPTH_FUNC_SHIFT;
546 }
547
548 r300SetEarlyZState(ctx);
549 }
550
551 static void r300SetStencilState(GLcontext * ctx, GLboolean state)
552 {
553 r300ContextPtr r300 = R300_CONTEXT(ctx);
554
555 if (r300->state.stencil.hw_stencil) {
556 R300_STATECHANGE(r300, zs);
557 if (state) {
558 r300->hw.zs.cmd[R300_ZS_CNTL_0] |=
559 R300_RB3D_STENCIL_ENABLE;
560 } else {
561 r300->hw.zs.cmd[R300_ZS_CNTL_0] &=
562 ~R300_RB3D_STENCIL_ENABLE;
563 }
564 } else {
565 #if R200_MERGED
566 FALLBACK(&r300->radeon, RADEON_FALLBACK_STENCIL, state);
567 #endif
568 }
569 }
570
571 static void r300UpdatePolygonMode(GLcontext * ctx)
572 {
573 r300ContextPtr r300 = R300_CONTEXT(ctx);
574 uint32_t hw_mode = GA_POLY_MODE_DISABLE;
575
576 /* Only do something if a polygon mode is wanted, default is GL_FILL */
577 if (ctx->Polygon.FrontMode != GL_FILL ||
578 ctx->Polygon.BackMode != GL_FILL) {
579 GLenum f, b;
580
581 /* Handle GL_CW (clock wise and GL_CCW (counter clock wise)
582 * correctly by selecting the correct front and back face
583 */
584 if (ctx->Polygon.FrontFace == GL_CCW) {
585 f = ctx->Polygon.FrontMode;
586 b = ctx->Polygon.BackMode;
587 } else {
588 f = ctx->Polygon.BackMode;
589 b = ctx->Polygon.FrontMode;
590 }
591
592 /* Enable polygon mode */
593 hw_mode |= GA_POLY_MODE_DUAL;
594
595 switch (f) {
596 case GL_LINE:
597 hw_mode |= GA_POLY_MODE_FRONT_PTYPE_LINE;
598 break;
599 case GL_POINT:
600 hw_mode |= GA_POLY_MODE_FRONT_PTYPE_POINT;
601 break;
602 case GL_FILL:
603 hw_mode |= GA_POLY_MODE_FRONT_PTYPE_TRI;
604 break;
605 }
606
607 switch (b) {
608 case GL_LINE:
609 hw_mode |= GA_POLY_MODE_BACK_PTYPE_LINE;
610 break;
611 case GL_POINT:
612 hw_mode |= GA_POLY_MODE_BACK_PTYPE_POINT;
613 break;
614 case GL_FILL:
615 hw_mode |= GA_POLY_MODE_BACK_PTYPE_TRI;
616 break;
617 }
618 }
619
620 if (r300->hw.polygon_mode.cmd[1] != hw_mode) {
621 R300_STATECHANGE(r300, polygon_mode);
622 r300->hw.polygon_mode.cmd[1] = hw_mode;
623 }
624
625 r300->hw.polygon_mode.cmd[2] = 0x00000001;
626 r300->hw.polygon_mode.cmd[3] = 0x00000000;
627 }
628
629 /**
630 * Change the culling mode.
631 *
632 * \note Mesa already filters redundant calls to this function.
633 */
634 static void r300CullFace(GLcontext * ctx, GLenum mode)
635 {
636 (void)mode;
637
638 r300UpdateCulling(ctx);
639 }
640
641 /**
642 * Change the polygon orientation.
643 *
644 * \note Mesa already filters redundant calls to this function.
645 */
646 static void r300FrontFace(GLcontext * ctx, GLenum mode)
647 {
648 (void)mode;
649
650 r300UpdateCulling(ctx);
651 r300UpdatePolygonMode(ctx);
652 }
653
654 /**
655 * Change the depth testing function.
656 *
657 * \note Mesa already filters redundant calls to this function.
658 */
659 static void r300DepthFunc(GLcontext * ctx, GLenum func)
660 {
661 (void)func;
662 r300SetDepthState(ctx);
663 }
664
665 /**
666 * Enable/Disable depth writing.
667 *
668 * \note Mesa already filters redundant calls to this function.
669 */
670 static void r300DepthMask(GLcontext * ctx, GLboolean mask)
671 {
672 (void)mask;
673 r300SetDepthState(ctx);
674 }
675
676 /**
677 * Handle glColorMask()
678 */
679 static void r300ColorMask(GLcontext * ctx,
680 GLboolean r, GLboolean g, GLboolean b, GLboolean a)
681 {
682 r300ContextPtr r300 = R300_CONTEXT(ctx);
683 int mask = (r ? RB3D_COLOR_CHANNEL_MASK_RED_MASK0 : 0) |
684 (g ? RB3D_COLOR_CHANNEL_MASK_GREEN_MASK0 : 0) |
685 (b ? RB3D_COLOR_CHANNEL_MASK_BLUE_MASK0 : 0) |
686 (a ? RB3D_COLOR_CHANNEL_MASK_ALPHA_MASK0 : 0);
687
688 if (mask != r300->hw.cmk.cmd[R300_CMK_COLORMASK]) {
689 R300_STATECHANGE(r300, cmk);
690 r300->hw.cmk.cmd[R300_CMK_COLORMASK] = mask;
691 }
692 }
693
694 /* =============================================================
695 * Fog
696 */
697 static void r300Fogfv(GLcontext * ctx, GLenum pname, const GLfloat * param)
698 {
699 r300ContextPtr r300 = R300_CONTEXT(ctx);
700 union {
701 int i;
702 float f;
703 } fogScale, fogStart;
704
705 (void)param;
706
707 fogScale.i = r300->hw.fogp.cmd[R300_FOGP_SCALE];
708 fogStart.i = r300->hw.fogp.cmd[R300_FOGP_START];
709
710 switch (pname) {
711 case GL_FOG_MODE:
712 if (!ctx->Fog.Enabled)
713 return;
714 switch (ctx->Fog.Mode) {
715 case GL_LINEAR:
716 R300_STATECHANGE(r300, fogs);
717 r300->hw.fogs.cmd[R300_FOGS_STATE] =
718 (r300->hw.fogs.
719 cmd[R300_FOGS_STATE] & ~FG_FOG_BLEND_FN_MASK) |
720 FG_FOG_BLEND_FN_LINEAR;
721
722 if (ctx->Fog.Start == ctx->Fog.End) {
723 fogScale.f = -1.0;
724 fogStart.f = 1.0;
725 } else {
726 fogScale.f =
727 1.0 / (ctx->Fog.End - ctx->Fog.Start);
728 fogStart.f =
729 -ctx->Fog.Start / (ctx->Fog.End -
730 ctx->Fog.Start);
731 }
732 break;
733 case GL_EXP:
734 R300_STATECHANGE(r300, fogs);
735 r300->hw.fogs.cmd[R300_FOGS_STATE] =
736 (r300->hw.fogs.
737 cmd[R300_FOGS_STATE] & ~FG_FOG_BLEND_FN_MASK) |
738 FG_FOG_BLEND_FN_EXP;
739 fogScale.f = 0.0933 * ctx->Fog.Density;
740 fogStart.f = 0.0;
741 break;
742 case GL_EXP2:
743 R300_STATECHANGE(r300, fogs);
744 r300->hw.fogs.cmd[R300_FOGS_STATE] =
745 (r300->hw.fogs.
746 cmd[R300_FOGS_STATE] & ~FG_FOG_BLEND_FN_MASK) |
747 FG_FOG_BLEND_FN_EXP2;
748 fogScale.f = 0.3 * ctx->Fog.Density;
749 fogStart.f = 0.0;
750 default:
751 return;
752 }
753 break;
754 case GL_FOG_DENSITY:
755 switch (ctx->Fog.Mode) {
756 case GL_EXP:
757 fogScale.f = 0.0933 * ctx->Fog.Density;
758 fogStart.f = 0.0;
759 break;
760 case GL_EXP2:
761 fogScale.f = 0.3 * ctx->Fog.Density;
762 fogStart.f = 0.0;
763 default:
764 break;
765 }
766 break;
767 case GL_FOG_START:
768 case GL_FOG_END:
769 if (ctx->Fog.Mode == GL_LINEAR) {
770 if (ctx->Fog.Start == ctx->Fog.End) {
771 fogScale.f = -1.0;
772 fogStart.f = 1.0;
773 } else {
774 fogScale.f =
775 1.0 / (ctx->Fog.End - ctx->Fog.Start);
776 fogStart.f =
777 -ctx->Fog.Start / (ctx->Fog.End -
778 ctx->Fog.Start);
779 }
780 }
781 break;
782 case GL_FOG_COLOR:
783 R300_STATECHANGE(r300, fogc);
784 r300->hw.fogc.cmd[R300_FOGC_R] =
785 (GLuint) (ctx->Fog.Color[0] * 1023.0F) & 0x3FF;
786 r300->hw.fogc.cmd[R300_FOGC_G] =
787 (GLuint) (ctx->Fog.Color[1] * 1023.0F) & 0x3FF;
788 r300->hw.fogc.cmd[R300_FOGC_B] =
789 (GLuint) (ctx->Fog.Color[2] * 1023.0F) & 0x3FF;
790 break;
791 case GL_FOG_COORD_SRC:
792 break;
793 default:
794 return;
795 }
796
797 if (fogScale.i != r300->hw.fogp.cmd[R300_FOGP_SCALE] ||
798 fogStart.i != r300->hw.fogp.cmd[R300_FOGP_START]) {
799 R300_STATECHANGE(r300, fogp);
800 r300->hw.fogp.cmd[R300_FOGP_SCALE] = fogScale.i;
801 r300->hw.fogp.cmd[R300_FOGP_START] = fogStart.i;
802 }
803 }
804
805 static void r300SetFogState(GLcontext * ctx, GLboolean state)
806 {
807 r300ContextPtr r300 = R300_CONTEXT(ctx);
808
809 R300_STATECHANGE(r300, fogs);
810 if (state) {
811 r300->hw.fogs.cmd[R300_FOGS_STATE] |= FG_FOG_BLEND_ENABLE;
812
813 r300Fogfv(ctx, GL_FOG_MODE, NULL);
814 r300Fogfv(ctx, GL_FOG_DENSITY, &ctx->Fog.Density);
815 r300Fogfv(ctx, GL_FOG_START, &ctx->Fog.Start);
816 r300Fogfv(ctx, GL_FOG_END, &ctx->Fog.End);
817 r300Fogfv(ctx, GL_FOG_COLOR, ctx->Fog.Color);
818 } else {
819 r300->hw.fogs.cmd[R300_FOGS_STATE] &= ~FG_FOG_BLEND_ENABLE;
820 }
821 }
822
823 /* =============================================================
824 * Point state
825 */
826 static void r300PointSize(GLcontext * ctx, GLfloat size)
827 {
828 r300ContextPtr r300 = R300_CONTEXT(ctx);
829 /* same size limits for AA, non-AA points */
830 size = CLAMP(size, ctx->Const.MinPointSize, ctx->Const.MaxPointSize);
831
832 R300_STATECHANGE(r300, ps);
833 r300->hw.ps.cmd[R300_PS_POINTSIZE] =
834 ((int)(size * 6) << R300_POINTSIZE_X_SHIFT) |
835 ((int)(size * 6) << R300_POINTSIZE_Y_SHIFT);
836 }
837
838 /* =============================================================
839 * Line state
840 */
841 static void r300LineWidth(GLcontext * ctx, GLfloat widthf)
842 {
843 r300ContextPtr r300 = R300_CONTEXT(ctx);
844
845 widthf = CLAMP(widthf,
846 ctx->Const.MinPointSize,
847 ctx->Const.MaxPointSize);
848 R300_STATECHANGE(r300, lcntl);
849 r300->hw.lcntl.cmd[1] =
850 R300_LINE_CNT_HO | R300_LINE_CNT_VE | (int)(widthf * 6.0);
851 }
852
853 static void r300PolygonMode(GLcontext * ctx, GLenum face, GLenum mode)
854 {
855 (void)face;
856 (void)mode;
857
858 r300UpdatePolygonMode(ctx);
859 }
860
861 /* =============================================================
862 * Stencil
863 */
864
865 static int translate_stencil_op(int op)
866 {
867 switch (op) {
868 case GL_KEEP:
869 return R300_ZS_KEEP;
870 case GL_ZERO:
871 return R300_ZS_ZERO;
872 case GL_REPLACE:
873 return R300_ZS_REPLACE;
874 case GL_INCR:
875 return R300_ZS_INCR;
876 case GL_DECR:
877 return R300_ZS_DECR;
878 case GL_INCR_WRAP_EXT:
879 return R300_ZS_INCR_WRAP;
880 case GL_DECR_WRAP_EXT:
881 return R300_ZS_DECR_WRAP;
882 case GL_INVERT:
883 return R300_ZS_INVERT;
884 default:
885 WARN_ONCE("Do not know how to translate stencil op");
886 return R300_ZS_KEEP;
887 }
888 return 0;
889 }
890
891 static void r300ShadeModel(GLcontext * ctx, GLenum mode)
892 {
893 r300ContextPtr rmesa = R300_CONTEXT(ctx);
894
895 R300_STATECHANGE(rmesa, shade);
896 rmesa->hw.shade.cmd[1] = 0x00000002;
897 switch (mode) {
898 case GL_FLAT:
899 rmesa->hw.shade.cmd[2] = R300_RE_SHADE_MODEL_FLAT;
900 break;
901 case GL_SMOOTH:
902 rmesa->hw.shade.cmd[2] = R300_RE_SHADE_MODEL_SMOOTH;
903 break;
904 default:
905 return;
906 }
907 rmesa->hw.shade.cmd[3] = 0x00000000;
908 rmesa->hw.shade.cmd[4] = 0x00000000;
909 }
910
911 static void r300StencilFuncSeparate(GLcontext * ctx, GLenum face,
912 GLenum func, GLint ref, GLuint mask)
913 {
914 r300ContextPtr rmesa = R300_CONTEXT(ctx);
915 GLuint refmask =
916 (((ctx->Stencil.
917 Ref[0] & 0xff) << ZB_STENCILREFMASK_STENCILREF_SHIFT) | ((ctx->
918 Stencil.
919 ValueMask
920 [0] &
921 0xff)
922 <<
923 ZB_STENCILREFMASK_STENCILMASK_SHIFT));
924
925 GLuint flag;
926
927 R300_STATECHANGE(rmesa, zs);
928
929 rmesa->hw.zs.cmd[R300_ZS_CNTL_1] &= ~((R300_ZS_MASK <<
930 R300_RB3D_ZS1_FRONT_FUNC_SHIFT)
931 | (R300_ZS_MASK <<
932 R300_RB3D_ZS1_BACK_FUNC_SHIFT));
933
934 rmesa->hw.zs.cmd[R300_ZS_CNTL_2] &=
935 ~((ZB_STENCILREFMASK_STENCIL_MASK << ZB_STENCILREFMASK_STENCILREF_SHIFT) |
936 (ZB_STENCILREFMASK_STENCIL_MASK << ZB_STENCILREFMASK_STENCILMASK_SHIFT));
937
938 flag = translate_func(ctx->Stencil.Function[0]);
939 rmesa->hw.zs.cmd[R300_ZS_CNTL_1] |=
940 (flag << R300_RB3D_ZS1_FRONT_FUNC_SHIFT);
941
942 if (ctx->Stencil._TestTwoSide)
943 flag = translate_func(ctx->Stencil.Function[1]);
944
945 rmesa->hw.zs.cmd[R300_ZS_CNTL_1] |=
946 (flag << R300_RB3D_ZS1_BACK_FUNC_SHIFT);
947 rmesa->hw.zs.cmd[R300_ZS_CNTL_2] |= refmask;
948 }
949
950 static void r300StencilMaskSeparate(GLcontext * ctx, GLenum face, GLuint mask)
951 {
952 r300ContextPtr rmesa = R300_CONTEXT(ctx);
953
954 R300_STATECHANGE(rmesa, zs);
955 rmesa->hw.zs.cmd[R300_ZS_CNTL_2] &=
956 ~(ZB_STENCILREFMASK_STENCIL_MASK <<
957 ZB_STENCILREFMASK_STENCILWRITEMASK_SHIFT);
958 rmesa->hw.zs.cmd[R300_ZS_CNTL_2] |=
959 (ctx->Stencil.
960 WriteMask[0] & ZB_STENCILREFMASK_STENCIL_MASK) <<
961 ZB_STENCILREFMASK_STENCILWRITEMASK_SHIFT;
962 }
963
964 static void r300StencilOpSeparate(GLcontext * ctx, GLenum face,
965 GLenum fail, GLenum zfail, GLenum zpass)
966 {
967 r300ContextPtr rmesa = R300_CONTEXT(ctx);
968
969 R300_STATECHANGE(rmesa, zs);
970 /* It is easier to mask what's left.. */
971 rmesa->hw.zs.cmd[R300_ZS_CNTL_1] &=
972 (R300_ZS_MASK << R300_RB3D_ZS1_DEPTH_FUNC_SHIFT) |
973 (R300_ZS_MASK << R300_RB3D_ZS1_FRONT_FUNC_SHIFT) |
974 (R300_ZS_MASK << R300_RB3D_ZS1_BACK_FUNC_SHIFT);
975
976 rmesa->hw.zs.cmd[R300_ZS_CNTL_1] |=
977 (translate_stencil_op(ctx->Stencil.FailFunc[0]) <<
978 R300_RB3D_ZS1_FRONT_FAIL_OP_SHIFT)
979 | (translate_stencil_op(ctx->Stencil.ZFailFunc[0]) <<
980 R300_RB3D_ZS1_FRONT_ZFAIL_OP_SHIFT)
981 | (translate_stencil_op(ctx->Stencil.ZPassFunc[0]) <<
982 R300_RB3D_ZS1_FRONT_ZPASS_OP_SHIFT);
983
984 if (ctx->Stencil._TestTwoSide) {
985 rmesa->hw.zs.cmd[R300_ZS_CNTL_1] |=
986 (translate_stencil_op(ctx->Stencil.FailFunc[1]) <<
987 R300_RB3D_ZS1_BACK_FAIL_OP_SHIFT)
988 | (translate_stencil_op(ctx->Stencil.ZFailFunc[1]) <<
989 R300_RB3D_ZS1_BACK_ZFAIL_OP_SHIFT)
990 | (translate_stencil_op(ctx->Stencil.ZPassFunc[1]) <<
991 R300_RB3D_ZS1_BACK_ZPASS_OP_SHIFT);
992 } else {
993 rmesa->hw.zs.cmd[R300_ZS_CNTL_1] |=
994 (translate_stencil_op(ctx->Stencil.FailFunc[0]) <<
995 R300_RB3D_ZS1_BACK_FAIL_OP_SHIFT)
996 | (translate_stencil_op(ctx->Stencil.ZFailFunc[0]) <<
997 R300_RB3D_ZS1_BACK_ZFAIL_OP_SHIFT)
998 | (translate_stencil_op(ctx->Stencil.ZPassFunc[0]) <<
999 R300_RB3D_ZS1_BACK_ZPASS_OP_SHIFT);
1000 }
1001 }
1002
1003 static void r300ClearStencil(GLcontext * ctx, GLint s)
1004 {
1005 r300ContextPtr rmesa = R300_CONTEXT(ctx);
1006
1007 rmesa->state.stencil.clear =
1008 ((GLuint) (ctx->Stencil.Clear & ZB_STENCILREFMASK_STENCIL_MASK) |
1009 (ZB_STENCILREFMASK_STENCIL_MASK << ZB_STENCILREFMASK_STENCILMASK_SHIFT) |
1010 ((ctx->Stencil.WriteMask[0] & ZB_STENCILREFMASK_STENCIL_MASK) <<
1011 ZB_STENCILREFMASK_STENCILMASK_SHIFT));
1012 }
1013
1014 /* =============================================================
1015 * Window position and viewport transformation
1016 */
1017
1018 /*
1019 * To correctly position primitives:
1020 */
1021 #define SUBPIXEL_X 0.125
1022 #define SUBPIXEL_Y 0.125
1023
1024 static void r300UpdateWindow(GLcontext * ctx)
1025 {
1026 r300ContextPtr rmesa = R300_CONTEXT(ctx);
1027 __DRIdrawablePrivate *dPriv = rmesa->radeon.dri.drawable;
1028 GLfloat xoffset = dPriv ? (GLfloat) dPriv->x : 0;
1029 GLfloat yoffset = dPriv ? (GLfloat) dPriv->y + dPriv->h : 0;
1030 const GLfloat *v = ctx->Viewport._WindowMap.m;
1031
1032 GLfloat sx = v[MAT_SX];
1033 GLfloat tx = v[MAT_TX] + xoffset + SUBPIXEL_X;
1034 GLfloat sy = -v[MAT_SY];
1035 GLfloat ty = (-v[MAT_TY]) + yoffset + SUBPIXEL_Y;
1036 GLfloat sz = v[MAT_SZ] * rmesa->state.depth.scale;
1037 GLfloat tz = v[MAT_TZ] * rmesa->state.depth.scale;
1038
1039 R300_FIREVERTICES(rmesa);
1040 R300_STATECHANGE(rmesa, vpt);
1041
1042 rmesa->hw.vpt.cmd[R300_VPT_XSCALE] = r300PackFloat32(sx);
1043 rmesa->hw.vpt.cmd[R300_VPT_XOFFSET] = r300PackFloat32(tx);
1044 rmesa->hw.vpt.cmd[R300_VPT_YSCALE] = r300PackFloat32(sy);
1045 rmesa->hw.vpt.cmd[R300_VPT_YOFFSET] = r300PackFloat32(ty);
1046 rmesa->hw.vpt.cmd[R300_VPT_ZSCALE] = r300PackFloat32(sz);
1047 rmesa->hw.vpt.cmd[R300_VPT_ZOFFSET] = r300PackFloat32(tz);
1048 }
1049
1050 static void r300Viewport(GLcontext * ctx, GLint x, GLint y,
1051 GLsizei width, GLsizei height)
1052 {
1053 /* Don't pipeline viewport changes, conflict with window offset
1054 * setting below. Could apply deltas to rescue pipelined viewport
1055 * values, or keep the originals hanging around.
1056 */
1057 r300UpdateWindow(ctx);
1058 }
1059
1060 static void r300DepthRange(GLcontext * ctx, GLclampd nearval, GLclampd farval)
1061 {
1062 r300UpdateWindow(ctx);
1063 }
1064
1065 void r300UpdateViewportOffset(GLcontext * ctx)
1066 {
1067 r300ContextPtr rmesa = R300_CONTEXT(ctx);
1068 __DRIdrawablePrivate *dPriv = ((radeonContextPtr) rmesa)->dri.drawable;
1069 GLfloat xoffset = (GLfloat) dPriv->x;
1070 GLfloat yoffset = (GLfloat) dPriv->y + dPriv->h;
1071 const GLfloat *v = ctx->Viewport._WindowMap.m;
1072
1073 GLfloat tx = v[MAT_TX] + xoffset + SUBPIXEL_X;
1074 GLfloat ty = (-v[MAT_TY]) + yoffset + SUBPIXEL_Y;
1075
1076 if (rmesa->hw.vpt.cmd[R300_VPT_XOFFSET] != r300PackFloat32(tx) ||
1077 rmesa->hw.vpt.cmd[R300_VPT_YOFFSET] != r300PackFloat32(ty)) {
1078 /* Note: this should also modify whatever data the context reset
1079 * code uses...
1080 */
1081 R300_STATECHANGE(rmesa, vpt);
1082 rmesa->hw.vpt.cmd[R300_VPT_XOFFSET] = r300PackFloat32(tx);
1083 rmesa->hw.vpt.cmd[R300_VPT_YOFFSET] = r300PackFloat32(ty);
1084
1085 }
1086
1087 radeonUpdateScissor(ctx);
1088 }
1089
1090 /**
1091 * Tell the card where to render (offset, pitch).
1092 * Effected by glDrawBuffer, etc
1093 */
1094 void r300UpdateDrawBuffer(GLcontext * ctx)
1095 {
1096 r300ContextPtr rmesa = R300_CONTEXT(ctx);
1097 r300ContextPtr r300 = rmesa;
1098 struct gl_framebuffer *fb = ctx->DrawBuffer;
1099 driRenderbuffer *drb;
1100
1101 if (fb->_ColorDrawBufferIndexes[0] == BUFFER_FRONT_LEFT) {
1102 /* draw to front */
1103 drb =
1104 (driRenderbuffer *) fb->Attachment[BUFFER_FRONT_LEFT].
1105 Renderbuffer;
1106 } else if (fb->_ColorDrawBufferIndexes[0] == BUFFER_BACK_LEFT) {
1107 /* draw to back */
1108 drb =
1109 (driRenderbuffer *) fb->Attachment[BUFFER_BACK_LEFT].
1110 Renderbuffer;
1111 } else {
1112 /* drawing to multiple buffers, or none */
1113 return;
1114 }
1115
1116 assert(drb);
1117 assert(drb->flippedPitch);
1118
1119 R300_STATECHANGE(rmesa, cb);
1120
1121 r300->hw.cb.cmd[R300_CB_OFFSET] = drb->flippedOffset + //r300->radeon.state.color.drawOffset +
1122 r300->radeon.radeonScreen->fbLocation;
1123 r300->hw.cb.cmd[R300_CB_PITCH] = drb->flippedPitch; //r300->radeon.state.color.drawPitch;
1124
1125 if (r300->radeon.radeonScreen->cpp == 4)
1126 r300->hw.cb.cmd[R300_CB_PITCH] |= R300_COLOR_FORMAT_ARGB8888;
1127 else
1128 r300->hw.cb.cmd[R300_CB_PITCH] |= R300_COLOR_FORMAT_RGB565;
1129
1130 if (r300->radeon.sarea->tiling_enabled)
1131 r300->hw.cb.cmd[R300_CB_PITCH] |= R300_COLOR_TILE_ENABLE;
1132 #if 0
1133 R200_STATECHANGE(rmesa, ctx);
1134
1135 /* Note: we used the (possibly) page-flipped values */
1136 rmesa->hw.ctx.cmd[CTX_RB3D_COLOROFFSET]
1137 = ((drb->flippedOffset + rmesa->r200Screen->fbLocation)
1138 & R200_COLOROFFSET_MASK);
1139 rmesa->hw.ctx.cmd[CTX_RB3D_COLORPITCH] = drb->flippedPitch;
1140
1141 if (rmesa->sarea->tiling_enabled) {
1142 rmesa->hw.ctx.cmd[CTX_RB3D_COLORPITCH] |=
1143 R200_COLOR_TILE_ENABLE;
1144 }
1145 #endif
1146 }
1147
1148 static void
1149 r300FetchStateParameter(GLcontext * ctx,
1150 const gl_state_index state[STATE_LENGTH],
1151 GLfloat * value)
1152 {
1153 r300ContextPtr r300 = R300_CONTEXT(ctx);
1154
1155 switch (state[0]) {
1156 case STATE_INTERNAL:
1157 switch (state[1]) {
1158 case STATE_R300_WINDOW_DIMENSION:
1159 value[0] = r300->radeon.dri.drawable->w * 0.5f; /* width*0.5 */
1160 value[1] = r300->radeon.dri.drawable->h * 0.5f; /* height*0.5 */
1161 value[2] = 0.5F; /* for moving range [-1 1] -> [0 1] */
1162 value[3] = 1.0F; /* not used */
1163 break;
1164
1165 case STATE_R300_TEXRECT_FACTOR:{
1166 struct gl_texture_object *t =
1167 ctx->Texture.Unit[state[2]].CurrentRect;
1168
1169 if (t && t->Image[0][t->BaseLevel]) {
1170 struct gl_texture_image *image =
1171 t->Image[0][t->BaseLevel];
1172 value[0] = 1.0 / image->Width2;
1173 value[1] = 1.0 / image->Height2;
1174 } else {
1175 value[0] = 1.0;
1176 value[1] = 1.0;
1177 }
1178 value[2] = 1.0;
1179 value[3] = 1.0;
1180 break;
1181 }
1182
1183 default:
1184 break;
1185 }
1186 break;
1187
1188 default:
1189 break;
1190 }
1191 }
1192
1193 /**
1194 * Update R300's own internal state parameters.
1195 * For now just STATE_R300_WINDOW_DIMENSION
1196 */
1197 void r300UpdateStateParameters(GLcontext * ctx, GLuint new_state)
1198 {
1199 struct r300_fragment_program *fp;
1200 struct gl_program_parameter_list *paramList;
1201 GLuint i;
1202
1203 if (!(new_state & (_NEW_BUFFERS | _NEW_PROGRAM)))
1204 return;
1205
1206 fp = (struct r300_fragment_program *)ctx->FragmentProgram._Current;
1207 if (!fp)
1208 return;
1209
1210 paramList = fp->mesa_program.Base.Parameters;
1211
1212 if (!paramList)
1213 return;
1214
1215 for (i = 0; i < paramList->NumParameters; i++) {
1216 if (paramList->Parameters[i].Type == PROGRAM_STATE_VAR) {
1217 r300FetchStateParameter(ctx,
1218 paramList->Parameters[i].
1219 StateIndexes,
1220 paramList->ParameterValues[i]);
1221 }
1222 }
1223 }
1224
1225 /* =============================================================
1226 * Polygon state
1227 */
1228 static void r300PolygonOffset(GLcontext * ctx, GLfloat factor, GLfloat units)
1229 {
1230 r300ContextPtr rmesa = R300_CONTEXT(ctx);
1231 GLfloat constant = units;
1232
1233 switch (ctx->Visual.depthBits) {
1234 case 16:
1235 constant *= 4.0;
1236 break;
1237 case 24:
1238 constant *= 2.0;
1239 break;
1240 }
1241
1242 factor *= 12.0;
1243
1244 /* fprintf(stderr, "%s f:%f u:%f\n", __FUNCTION__, factor, constant); */
1245
1246 R300_STATECHANGE(rmesa, zbs);
1247 rmesa->hw.zbs.cmd[R300_ZBS_T_FACTOR] = r300PackFloat32(factor);
1248 rmesa->hw.zbs.cmd[R300_ZBS_T_CONSTANT] = r300PackFloat32(constant);
1249 rmesa->hw.zbs.cmd[R300_ZBS_W_FACTOR] = r300PackFloat32(factor);
1250 rmesa->hw.zbs.cmd[R300_ZBS_W_CONSTANT] = r300PackFloat32(constant);
1251 }
1252
1253 /* Routing and texture-related */
1254
1255 /* r300 doesnt handle GL_CLAMP and GL_MIRROR_CLAMP_EXT correctly when filter is NEAREST.
1256 * Since texwrap produces same results for GL_CLAMP and GL_CLAMP_TO_EDGE we use them instead.
1257 * We need to recalculate wrap modes whenever filter mode is changed because someone might do:
1258 * glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
1259 * glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP);
1260 * glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
1261 * Since r300 completely ignores R300_TX_CLAMP when either min or mag is nearest it cant handle
1262 * combinations where only one of them is nearest.
1263 */
1264 static unsigned long gen_fixed_filter(unsigned long f)
1265 {
1266 unsigned long mag, min, needs_fixing = 0;
1267 //return f;
1268
1269 /* We ignore MIRROR bit so we dont have to do everything twice */
1270 if ((f & ((7 - 1) << R300_TX_WRAP_S_SHIFT)) ==
1271 (R300_TX_CLAMP << R300_TX_WRAP_S_SHIFT)) {
1272 needs_fixing |= 1;
1273 }
1274 if ((f & ((7 - 1) << R300_TX_WRAP_T_SHIFT)) ==
1275 (R300_TX_CLAMP << R300_TX_WRAP_T_SHIFT)) {
1276 needs_fixing |= 2;
1277 }
1278 if ((f & ((7 - 1) << R300_TX_WRAP_Q_SHIFT)) ==
1279 (R300_TX_CLAMP << R300_TX_WRAP_Q_SHIFT)) {
1280 needs_fixing |= 4;
1281 }
1282
1283 if (!needs_fixing)
1284 return f;
1285
1286 mag = f & R300_TX_MAG_FILTER_MASK;
1287 min = f & R300_TX_MIN_FILTER_MASK;
1288
1289 /* TODO: Check for anisto filters too */
1290 if ((mag != R300_TX_MAG_FILTER_NEAREST)
1291 && (min != R300_TX_MIN_FILTER_NEAREST))
1292 return f;
1293
1294 /* r300 cant handle these modes hence we force nearest to linear */
1295 if ((mag == R300_TX_MAG_FILTER_NEAREST)
1296 && (min != R300_TX_MIN_FILTER_NEAREST)) {
1297 f &= ~R300_TX_MAG_FILTER_NEAREST;
1298 f |= R300_TX_MAG_FILTER_LINEAR;
1299 return f;
1300 }
1301
1302 if ((min == R300_TX_MIN_FILTER_NEAREST)
1303 && (mag != R300_TX_MAG_FILTER_NEAREST)) {
1304 f &= ~R300_TX_MIN_FILTER_NEAREST;
1305 f |= R300_TX_MIN_FILTER_LINEAR;
1306 return f;
1307 }
1308
1309 /* Both are nearest */
1310 if (needs_fixing & 1) {
1311 f &= ~((7 - 1) << R300_TX_WRAP_S_SHIFT);
1312 f |= R300_TX_CLAMP_TO_EDGE << R300_TX_WRAP_S_SHIFT;
1313 }
1314 if (needs_fixing & 2) {
1315 f &= ~((7 - 1) << R300_TX_WRAP_T_SHIFT);
1316 f |= R300_TX_CLAMP_TO_EDGE << R300_TX_WRAP_T_SHIFT;
1317 }
1318 if (needs_fixing & 4) {
1319 f &= ~((7 - 1) << R300_TX_WRAP_Q_SHIFT);
1320 f |= R300_TX_CLAMP_TO_EDGE << R300_TX_WRAP_Q_SHIFT;
1321 }
1322 return f;
1323 }
1324
1325 static void r300SetupTextures(GLcontext * ctx)
1326 {
1327 int i, mtu;
1328 struct r300_tex_obj *t;
1329 r300ContextPtr r300 = R300_CONTEXT(ctx);
1330 int hw_tmu = 0;
1331 int last_hw_tmu = -1; /* -1 translates into no setup costs for fields */
1332 int tmu_mappings[R300_MAX_TEXTURE_UNITS] = { -1, };
1333 struct r300_fragment_program *fp = (struct r300_fragment_program *)
1334 (char *)ctx->FragmentProgram._Current;
1335
1336 R300_STATECHANGE(r300, txe);
1337 R300_STATECHANGE(r300, tex.filter);
1338 R300_STATECHANGE(r300, tex.filter_1);
1339 R300_STATECHANGE(r300, tex.size);
1340 R300_STATECHANGE(r300, tex.format);
1341 R300_STATECHANGE(r300, tex.pitch);
1342 R300_STATECHANGE(r300, tex.offset);
1343 R300_STATECHANGE(r300, tex.chroma_key);
1344 R300_STATECHANGE(r300, tex.border_color);
1345
1346 r300->hw.txe.cmd[R300_TXE_ENABLE] = 0x0;
1347
1348 mtu = r300->radeon.glCtx->Const.MaxTextureUnits;
1349 if (RADEON_DEBUG & DEBUG_STATE)
1350 fprintf(stderr, "mtu=%d\n", mtu);
1351
1352 if (mtu > R300_MAX_TEXTURE_UNITS) {
1353 fprintf(stderr,
1354 "Aiiee ! mtu=%d is greater than R300_MAX_TEXTURE_UNITS=%d\n",
1355 mtu, R300_MAX_TEXTURE_UNITS);
1356 _mesa_exit(-1);
1357 }
1358
1359 /* We cannot let disabled tmu offsets pass DRM */
1360 for (i = 0; i < mtu; i++) {
1361 if (ctx->Texture.Unit[i]._ReallyEnabled) {
1362
1363 #if 0 /* Enables old behaviour */
1364 hw_tmu = i;
1365 #endif
1366 tmu_mappings[i] = hw_tmu;
1367
1368 t = r300->state.texture.unit[i].texobj;
1369 /* XXX questionable fix for bug 9170: */
1370 if (!t)
1371 continue;
1372
1373 if ((t->format & 0xffffff00) == 0xffffff00) {
1374 WARN_ONCE
1375 ("unknown texture format (entry %x) encountered. Help me !\n",
1376 t->format & 0xff);
1377 }
1378
1379 if (RADEON_DEBUG & DEBUG_STATE)
1380 fprintf(stderr,
1381 "Activating texture unit %d\n", i);
1382
1383 r300->hw.txe.cmd[R300_TXE_ENABLE] |= (1 << hw_tmu);
1384
1385 r300->hw.tex.filter.cmd[R300_TEX_VALUE_0 +
1386 hw_tmu] =
1387 gen_fixed_filter(t->filter) | (hw_tmu << 28);
1388 /* Currently disabled! */
1389 r300->hw.tex.filter_1.cmd[R300_TEX_VALUE_0 + hw_tmu] = 0x0; //0x20501f80;
1390 r300->hw.tex.size.cmd[R300_TEX_VALUE_0 + hw_tmu] =
1391 t->size;
1392 r300->hw.tex.format.cmd[R300_TEX_VALUE_0 +
1393 hw_tmu] = t->format;
1394 r300->hw.tex.pitch.cmd[R300_TEX_VALUE_0 + hw_tmu] =
1395 t->pitch_reg;
1396 r300->hw.tex.offset.cmd[R300_TEX_VALUE_0 +
1397 hw_tmu] = t->offset;
1398
1399 if (t->offset & R300_TXO_MACRO_TILE) {
1400 WARN_ONCE("macro tiling enabled!\n");
1401 }
1402
1403 if (t->offset & R300_TXO_MICRO_TILE) {
1404 WARN_ONCE("micro tiling enabled!\n");
1405 }
1406
1407 r300->hw.tex.chroma_key.cmd[R300_TEX_VALUE_0 +
1408 hw_tmu] = 0x0;
1409 r300->hw.tex.border_color.cmd[R300_TEX_VALUE_0 +
1410 hw_tmu] =
1411 t->pp_border_color;
1412
1413 last_hw_tmu = hw_tmu;
1414
1415 hw_tmu++;
1416 }
1417 }
1418
1419 r300->hw.tex.filter.cmd[R300_TEX_CMD_0] =
1420 cmdpacket0(R300_TX_FILTER0_0, last_hw_tmu + 1);
1421 r300->hw.tex.filter_1.cmd[R300_TEX_CMD_0] =
1422 cmdpacket0(R300_TX_FILTER1_0, last_hw_tmu + 1);
1423 r300->hw.tex.size.cmd[R300_TEX_CMD_0] =
1424 cmdpacket0(R300_TX_SIZE_0, last_hw_tmu + 1);
1425 r300->hw.tex.format.cmd[R300_TEX_CMD_0] =
1426 cmdpacket0(R300_TX_FORMAT_0, last_hw_tmu + 1);
1427 r300->hw.tex.pitch.cmd[R300_TEX_CMD_0] =
1428 cmdpacket0(R300_TX_FORMAT2_0, last_hw_tmu + 1);
1429 r300->hw.tex.offset.cmd[R300_TEX_CMD_0] =
1430 cmdpacket0(R300_TX_OFFSET_0, last_hw_tmu + 1);
1431 r300->hw.tex.chroma_key.cmd[R300_TEX_CMD_0] =
1432 cmdpacket0(R300_TX_CHROMA_KEY_0, last_hw_tmu + 1);
1433 r300->hw.tex.border_color.cmd[R300_TEX_CMD_0] =
1434 cmdpacket0(R300_TX_BORDER_COLOR_0, last_hw_tmu + 1);
1435
1436 if (!fp) /* should only happenen once, just after context is created */
1437 return;
1438
1439 R300_STATECHANGE(r300, fpt);
1440
1441 for (i = 0; i < fp->tex.length; i++) {
1442 int unit;
1443 int opcode;
1444 unsigned long val;
1445
1446 unit = fp->tex.inst[i] >> R300_FPITX_IMAGE_SHIFT;
1447 unit &= 15;
1448
1449 val = fp->tex.inst[i];
1450 val &= ~R300_FPITX_IMAGE_MASK;
1451
1452 opcode =
1453 (val & R300_FPITX_OPCODE_MASK) >> R300_FPITX_OPCODE_SHIFT;
1454 if (opcode == R300_FPITX_OP_KIL) {
1455 r300->hw.fpt.cmd[R300_FPT_INSTR_0 + i] = val;
1456 } else {
1457 if (tmu_mappings[unit] >= 0) {
1458 val |=
1459 tmu_mappings[unit] <<
1460 R300_FPITX_IMAGE_SHIFT;
1461 r300->hw.fpt.cmd[R300_FPT_INSTR_0 + i] = val;
1462 } else {
1463 // We get here when the corresponding texture image is incomplete
1464 // (e.g. incomplete mipmaps etc.)
1465 r300->hw.fpt.cmd[R300_FPT_INSTR_0 + i] = val;
1466 }
1467 }
1468 }
1469
1470 r300->hw.fpt.cmd[R300_FPT_CMD_0] =
1471 cmdpacket0(R300_PFS_TEXI_0, fp->tex.length);
1472
1473 if (RADEON_DEBUG & DEBUG_STATE)
1474 fprintf(stderr, "TX_ENABLE: %08x last_hw_tmu=%d\n",
1475 r300->hw.txe.cmd[R300_TXE_ENABLE], last_hw_tmu);
1476 }
1477
1478 union r300_outputs_written {
1479 GLuint vp_outputs; /* hw_tcl_on */
1480 DECLARE_RENDERINPUTS(index_bitset); /* !hw_tcl_on */
1481 };
1482
1483 #define R300_OUTPUTS_WRITTEN_TEST(ow, vp_result, tnl_attrib) \
1484 ((hw_tcl_on) ? (ow).vp_outputs & (1 << (vp_result)) : \
1485 RENDERINPUTS_TEST( (ow.index_bitset), (tnl_attrib) ))
1486
1487 static void r300SetupRSUnit(GLcontext * ctx)
1488 {
1489 r300ContextPtr r300 = R300_CONTEXT(ctx);
1490 /* I'm still unsure if these are needed */
1491 GLuint interp_magic[8] = {
1492 0x00,
1493 R300_RS_COL_PTR(1),
1494 R300_RS_COL_PTR(2),
1495 R300_RS_COL_PTR(3),
1496 0x00,
1497 0x00,
1498 0x00,
1499 0x00
1500 };
1501 union r300_outputs_written OutputsWritten;
1502 GLuint InputsRead;
1503 int fp_reg, high_rr;
1504 int in_texcoords, col_interp_nr;
1505 int i;
1506
1507 if (hw_tcl_on)
1508 OutputsWritten.vp_outputs = CURRENT_VERTEX_SHADER(ctx)->key.OutputsWritten;
1509 else
1510 RENDERINPUTS_COPY(OutputsWritten.index_bitset, r300->state.render_inputs_bitset);
1511
1512 if (ctx->FragmentProgram._Current)
1513 InputsRead = ctx->FragmentProgram._Current->Base.InputsRead;
1514 else {
1515 fprintf(stderr, "No ctx->FragmentProgram._Current!!\n");
1516 return; /* This should only ever happen once.. */
1517 }
1518
1519 R300_STATECHANGE(r300, ri);
1520 R300_STATECHANGE(r300, rc);
1521 R300_STATECHANGE(r300, rr);
1522
1523 fp_reg = in_texcoords = col_interp_nr = high_rr = 0;
1524
1525 r300->hw.rr.cmd[R300_RR_ROUTE_1] = 0;
1526
1527 if (InputsRead & FRAG_BIT_WPOS) {
1528 for (i = 0; i < ctx->Const.MaxTextureUnits; i++)
1529 if (!(InputsRead & (FRAG_BIT_TEX0 << i)))
1530 break;
1531
1532 if (i == ctx->Const.MaxTextureUnits) {
1533 fprintf(stderr, "\tno free texcoord found...\n");
1534 _mesa_exit(-1);
1535 }
1536
1537 InputsRead |= (FRAG_BIT_TEX0 << i);
1538 InputsRead &= ~FRAG_BIT_WPOS;
1539 }
1540
1541 for (i = 0; i < ctx->Const.MaxTextureUnits; i++) {
1542 r300->hw.ri.cmd[R300_RI_INTERP_0 + i] = 0 | R300_RS_SEL_T(1) | R300_RS_SEL_R(2) | R300_RS_SEL_Q(3) | (in_texcoords << R300_RS_INTERP_SRC_SHIFT)
1543 | interp_magic[i];
1544
1545 r300->hw.rr.cmd[R300_RR_ROUTE_0 + fp_reg] = 0;
1546 if (InputsRead & (FRAG_BIT_TEX0 << i)) {
1547 //assert(r300->state.texture.tc_count != 0);
1548 r300->hw.rr.cmd[R300_RR_ROUTE_0 + fp_reg] |= R300_RS_ROUTE_ENABLE | i /* source INTERP */
1549 | (fp_reg << R300_RS_ROUTE_DEST_SHIFT);
1550 high_rr = fp_reg;
1551
1552 /* Passing invalid data here can lock the GPU. */
1553 if (R300_OUTPUTS_WRITTEN_TEST(OutputsWritten, VERT_RESULT_TEX0 + i, _TNL_ATTRIB_TEX(i))) {
1554 InputsRead &= ~(FRAG_BIT_TEX0 << i);
1555 fp_reg++;
1556 } else {
1557 WARN_ONCE("fragprog wants coords for tex%d, vp doesn't provide them!\n", i);
1558 }
1559 }
1560 /* Need to count all coords enabled at vof */
1561 if (R300_OUTPUTS_WRITTEN_TEST(OutputsWritten, VERT_RESULT_TEX0 + i, _TNL_ATTRIB_TEX(i))) {
1562 in_texcoords++;
1563 }
1564 }
1565
1566 if (InputsRead & FRAG_BIT_COL0) {
1567 if (R300_OUTPUTS_WRITTEN_TEST(OutputsWritten, VERT_RESULT_COL0, _TNL_ATTRIB_COLOR0)) {
1568 r300->hw.rr.cmd[R300_RR_ROUTE_0] |= 0 | R300_RS_ROUTE_0_COLOR | (fp_reg++ << R300_RS_ROUTE_0_COLOR_DEST_SHIFT);
1569 InputsRead &= ~FRAG_BIT_COL0;
1570 col_interp_nr++;
1571 } else {
1572 WARN_ONCE("fragprog wants col0, vp doesn't provide it\n");
1573 }
1574 }
1575
1576 if (InputsRead & FRAG_BIT_COL1) {
1577 if (R300_OUTPUTS_WRITTEN_TEST(OutputsWritten, VERT_RESULT_COL1, _TNL_ATTRIB_COLOR1)) {
1578 r300->hw.rr.cmd[R300_RR_ROUTE_1] |= R300_RS_ROUTE_1_UNKNOWN11 | R300_RS_ROUTE_1_COLOR1 | (fp_reg++ << R300_RS_ROUTE_1_COLOR1_DEST_SHIFT);
1579 InputsRead &= ~FRAG_BIT_COL1;
1580 if (high_rr < 1)
1581 high_rr = 1;
1582 col_interp_nr++;
1583 } else {
1584 WARN_ONCE("fragprog wants col1, vp doesn't provide it\n");
1585 }
1586 }
1587
1588 /* Need at least one. This might still lock as the values are undefined... */
1589 if (in_texcoords == 0 && col_interp_nr == 0) {
1590 r300->hw.rr.cmd[R300_RR_ROUTE_0] |= 0 | R300_RS_ROUTE_0_COLOR | (fp_reg++ << R300_RS_ROUTE_0_COLOR_DEST_SHIFT);
1591 col_interp_nr++;
1592 }
1593
1594 r300->hw.rc.cmd[1] = 0 | ((in_texcoords << 2) << R300_IT_COUNT_SHIFT)
1595 | (col_interp_nr << R300_IC_COUNT_SHIFT)
1596 | R300_HIRES_EN;
1597
1598 assert(high_rr >= 0);
1599 r300->hw.rr.cmd[R300_RR_CMD_0] = cmdpacket0(R300_RS_ROUTE_0, high_rr + 1);
1600 r300->hw.rc.cmd[2] = 0xC0 | high_rr;
1601
1602 if (InputsRead)
1603 WARN_ONCE("Don't know how to satisfy InputsRead=0x%08x\n", InputsRead);
1604 }
1605
1606 #define bump_vpu_count(ptr, new_count) do{\
1607 drm_r300_cmd_header_t* _p=((drm_r300_cmd_header_t*)(ptr));\
1608 int _nc=(new_count)/4; \
1609 assert(_nc < 256); \
1610 if(_nc>_p->vpu.count)_p->vpu.count=_nc;\
1611 }while(0)
1612
1613 static inline void r300SetupVertexProgramFragment(r300ContextPtr r300, int dest, struct r300_vertex_shader_fragment *vsf)
1614 {
1615 int i;
1616
1617 if (vsf->length == 0)
1618 return;
1619
1620 if (vsf->length & 0x3) {
1621 fprintf(stderr, "VERTEX_SHADER_FRAGMENT must have length divisible by 4\n");
1622 _mesa_exit(-1);
1623 }
1624
1625 switch ((dest >> 8) & 0xf) {
1626 case 0:
1627 R300_STATECHANGE(r300, vpi);
1628 for (i = 0; i < vsf->length; i++)
1629 r300->hw.vpi.cmd[R300_VPI_INSTR_0 + i + 4 * (dest & 0xff)] = (vsf->body.d[i]);
1630 bump_vpu_count(r300->hw.vpi.cmd, vsf->length + 4 * (dest & 0xff));
1631 break;
1632
1633 case 2:
1634 R300_STATECHANGE(r300, vpp);
1635 for (i = 0; i < vsf->length; i++)
1636 r300->hw.vpp.cmd[R300_VPP_PARAM_0 + i + 4 * (dest & 0xff)] = (vsf->body.d[i]);
1637 bump_vpu_count(r300->hw.vpp.cmd, vsf->length + 4 * (dest & 0xff));
1638 break;
1639 case 4:
1640 R300_STATECHANGE(r300, vps);
1641 for (i = 0; i < vsf->length; i++)
1642 r300->hw.vps.cmd[1 + i + 4 * (dest & 0xff)] = (vsf->body.d[i]);
1643 bump_vpu_count(r300->hw.vps.cmd, vsf->length + 4 * (dest & 0xff));
1644 break;
1645 default:
1646 fprintf(stderr, "%s:%s don't know how to handle dest %04x\n", __FILE__, __FUNCTION__, dest);
1647 _mesa_exit(-1);
1648 }
1649 }
1650
1651 static void r300SetupDefaultVertexProgram(r300ContextPtr rmesa)
1652 {
1653 struct r300_vertex_shader_state *prog = &(rmesa->state.vertex_shader);
1654 GLuint o_reg = 0;
1655 int i;
1656 int inst_count = 0;
1657 int param_count = 0;
1658 int program_end = 0;
1659
1660 for (i = VERT_ATTRIB_POS; i < VERT_ATTRIB_MAX; i++) {
1661 if (rmesa->state.sw_tcl_inputs[i] != -1) {
1662 prog->program.body.i[program_end + 0] = EASY_VSF_OP(MUL, o_reg++, ALL, RESULT);
1663 prog->program.body.i[program_end + 1] = VSF_REG(rmesa->state.sw_tcl_inputs[i]);
1664 prog->program.body.i[program_end + 2] = VSF_ATTR_UNITY(rmesa->state.sw_tcl_inputs[i]);
1665 prog->program.body.i[program_end + 3] = VSF_UNITY(rmesa->state.sw_tcl_inputs[i]);
1666 program_end += 4;
1667 }
1668 }
1669
1670 prog->program.length = program_end;
1671
1672 r300SetupVertexProgramFragment(rmesa, R300_PVS_UPLOAD_PROGRAM,
1673 &(prog->program));
1674 inst_count = (prog->program.length / 4) - 1;
1675
1676 R300_STATECHANGE(rmesa, pvs);
1677 rmesa->hw.pvs.cmd[R300_PVS_CNTL_1] =
1678 (0 << R300_PVS_CNTL_1_PROGRAM_START_SHIFT) |
1679 (inst_count << R300_PVS_CNTL_1_POS_END_SHIFT) |
1680 (inst_count << R300_PVS_CNTL_1_PROGRAM_END_SHIFT);
1681 rmesa->hw.pvs.cmd[R300_PVS_CNTL_2] =
1682 (0 << R300_PVS_CNTL_2_PARAM_OFFSET_SHIFT) |
1683 (param_count << R300_PVS_CNTL_2_PARAM_COUNT_SHIFT);
1684 rmesa->hw.pvs.cmd[R300_PVS_CNTL_3] =
1685 (inst_count << R300_PVS_CNTL_3_PROGRAM_UNKNOWN_SHIFT) |
1686 (inst_count << R300_PVS_CNTL_3_PROGRAM_UNKNOWN2_SHIFT);
1687 }
1688
1689 static void r300SetupRealVertexProgram(r300ContextPtr rmesa)
1690 {
1691 GLcontext *ctx = rmesa->radeon.glCtx;
1692 struct r300_vertex_program *prog = (struct r300_vertex_program *)CURRENT_VERTEX_SHADER(ctx);
1693 int inst_count = 0;
1694 int param_count = 0;
1695
1696 /* FIXME: r300SetupVertexProgramFragment */
1697 R300_STATECHANGE(rmesa, vpp);
1698 param_count =
1699 r300VertexProgUpdateParams(ctx,
1700 (struct r300_vertex_program_cont *)
1701 ctx->VertexProgram._Current,
1702 (float *)&rmesa->hw.vpp.
1703 cmd[R300_VPP_PARAM_0]);
1704 bump_vpu_count(rmesa->hw.vpp.cmd, param_count);
1705 param_count /= 4;
1706
1707 r300SetupVertexProgramFragment(rmesa, R300_PVS_UPLOAD_PROGRAM, &(prog->program));
1708 inst_count = (prog->program.length / 4) - 1;
1709
1710 R300_STATECHANGE(rmesa, pvs);
1711 rmesa->hw.pvs.cmd[R300_PVS_CNTL_1] =
1712 (0 << R300_PVS_CNTL_1_PROGRAM_START_SHIFT) |
1713 (inst_count << R300_PVS_CNTL_1_POS_END_SHIFT) |
1714 (inst_count << R300_PVS_CNTL_1_PROGRAM_END_SHIFT);
1715 rmesa->hw.pvs.cmd[R300_PVS_CNTL_2] =
1716 (0 << R300_PVS_CNTL_2_PARAM_OFFSET_SHIFT) |
1717 (param_count << R300_PVS_CNTL_2_PARAM_COUNT_SHIFT);
1718 rmesa->hw.pvs.cmd[R300_PVS_CNTL_3] =
1719 (inst_count << R300_PVS_CNTL_3_PROGRAM_UNKNOWN_SHIFT) |
1720 (inst_count << R300_PVS_CNTL_3_PROGRAM_UNKNOWN2_SHIFT);
1721 }
1722
1723 static void r300SetupVertexProgram(r300ContextPtr rmesa)
1724 {
1725 GLcontext *ctx = rmesa->radeon.glCtx;
1726
1727 /* Reset state, in case we don't use something */
1728 ((drm_r300_cmd_header_t *) rmesa->hw.vpp.cmd)->vpu.count = 0;
1729 ((drm_r300_cmd_header_t *) rmesa->hw.vpi.cmd)->vpu.count = 0;
1730 ((drm_r300_cmd_header_t *) rmesa->hw.vps.cmd)->vpu.count = 0;
1731
1732 /* Not sure why this doesnt work...
1733 0x400 area might have something to do with pixel shaders as it appears right after pfs programming.
1734 0x406 is set to { 0.0, 0.0, 1.0, 0.0 } most of the time but should change with smooth points and in other rare cases. */
1735 //setup_vertex_shader_fragment(rmesa, 0x406, &unk4);
1736 if (hw_tcl_on && ((struct r300_vertex_program *)CURRENT_VERTEX_SHADER(ctx))->translated) {
1737 r300SetupRealVertexProgram(rmesa);
1738 } else {
1739 /* FIXME: This needs to be replaced by vertex shader generation code. */
1740 r300SetupDefaultVertexProgram(rmesa);
1741 }
1742
1743
1744 /* FIXME: This is done for vertex shader fragments, but also needs to be
1745 * done for vap_pvs, so I leave it as a reminder. */
1746 #if 0
1747 reg_start(R300_VAP_PVS_WAITIDLE, 0);
1748 e32(0x00000000);
1749 #endif
1750 }
1751
1752 /**
1753 * Enable/Disable states.
1754 *
1755 * \note Mesa already filters redundant calls to this function.
1756 */
1757 static void r300Enable(GLcontext * ctx, GLenum cap, GLboolean state)
1758 {
1759 if (RADEON_DEBUG & DEBUG_STATE)
1760 fprintf(stderr, "%s( %s = %s )\n", __FUNCTION__,
1761 _mesa_lookup_enum_by_nr(cap),
1762 state ? "GL_TRUE" : "GL_FALSE");
1763
1764 switch (cap) {
1765 case GL_TEXTURE_1D:
1766 case GL_TEXTURE_2D:
1767 case GL_TEXTURE_3D:
1768 /* empty */
1769 break;
1770 case GL_FOG:
1771 r300SetFogState(ctx, state);
1772 break;
1773 case GL_ALPHA_TEST:
1774 r300SetAlphaState(ctx);
1775 break;
1776 case GL_BLEND:
1777 case GL_COLOR_LOGIC_OP:
1778 r300SetBlendState(ctx);
1779 break;
1780 case GL_CLIP_PLANE0:
1781 case GL_CLIP_PLANE1:
1782 case GL_CLIP_PLANE2:
1783 case GL_CLIP_PLANE3:
1784 case GL_CLIP_PLANE4:
1785 case GL_CLIP_PLANE5:
1786 r300SetClipPlaneState(ctx, cap, state);
1787 break;
1788 case GL_DEPTH_TEST:
1789 r300SetDepthState(ctx);
1790 break;
1791 case GL_STENCIL_TEST:
1792 r300SetStencilState(ctx, state);
1793 break;
1794 case GL_CULL_FACE:
1795 r300UpdateCulling(ctx);
1796 break;
1797 case GL_POLYGON_OFFSET_POINT:
1798 case GL_POLYGON_OFFSET_LINE:
1799 case GL_POLYGON_OFFSET_FILL:
1800 r300SetPolygonOffsetState(ctx, state);
1801 break;
1802 default:
1803 radeonEnable(ctx, cap, state);
1804 break;
1805 }
1806 }
1807
1808 /**
1809 * Completely recalculates hardware state based on the Mesa state.
1810 */
1811 static void r300ResetHwState(r300ContextPtr r300)
1812 {
1813 GLcontext *ctx = r300->radeon.glCtx;
1814 int has_tcl = 1;
1815
1816 if (!(r300->radeon.radeonScreen->chip_flags & RADEON_CHIPSET_TCL))
1817 has_tcl = 0;
1818
1819 if (RADEON_DEBUG & DEBUG_STATE)
1820 fprintf(stderr, "%s\n", __FUNCTION__);
1821
1822 r300UpdateWindow(ctx);
1823
1824 r300ColorMask(ctx,
1825 ctx->Color.ColorMask[RCOMP],
1826 ctx->Color.ColorMask[GCOMP],
1827 ctx->Color.ColorMask[BCOMP], ctx->Color.ColorMask[ACOMP]);
1828
1829 r300Enable(ctx, GL_DEPTH_TEST, ctx->Depth.Test);
1830 r300DepthMask(ctx, ctx->Depth.Mask);
1831 r300DepthFunc(ctx, ctx->Depth.Func);
1832
1833 /* stencil */
1834 r300Enable(ctx, GL_STENCIL_TEST, ctx->Stencil.Enabled);
1835 r300StencilMaskSeparate(ctx, 0, ctx->Stencil.WriteMask[0]);
1836 r300StencilFuncSeparate(ctx, 0, ctx->Stencil.Function[0],
1837 ctx->Stencil.Ref[0], ctx->Stencil.ValueMask[0]);
1838 r300StencilOpSeparate(ctx, 0, ctx->Stencil.FailFunc[0],
1839 ctx->Stencil.ZFailFunc[0],
1840 ctx->Stencil.ZPassFunc[0]);
1841
1842 r300UpdateCulling(ctx);
1843
1844 r300UpdateTextureState(ctx);
1845
1846 r300SetBlendState(ctx);
1847
1848 r300AlphaFunc(ctx, ctx->Color.AlphaFunc, ctx->Color.AlphaRef);
1849 r300Enable(ctx, GL_ALPHA_TEST, ctx->Color.AlphaEnabled);
1850
1851 if (!has_tcl)
1852 r300->hw.vap_cntl.cmd[1] = 0x0014045a;
1853 else
1854 r300->hw.vap_cntl.cmd[1] = 0x0030045A; //0x0030065a /* Dangerous */
1855
1856 r300->hw.vte.cmd[1] = R300_VPORT_X_SCALE_ENA
1857 | R300_VPORT_X_OFFSET_ENA
1858 | R300_VPORT_Y_SCALE_ENA
1859 | R300_VPORT_Y_OFFSET_ENA
1860 | R300_VPORT_Z_SCALE_ENA
1861 | R300_VPORT_Z_OFFSET_ENA | R300_VTX_W0_FMT;
1862 r300->hw.vte.cmd[2] = 0x00000008;
1863
1864 r300->hw.vap_vf_max_vtx_indx.cmd[1] = 0x00FFFFFF;
1865 r300->hw.vap_vf_max_vtx_indx.cmd[2] = 0x00000000;
1866
1867 #ifdef MESA_LITTLE_ENDIAN
1868 r300->hw.vap_cntl_status.cmd[1] = R300_VC_NO_SWAP;
1869 #else
1870 r300->hw.vap_cntl_status.cmd[1] = R300_VC_32BIT_SWAP;
1871 #endif
1872
1873 /* disable VAP/TCL on non-TCL capable chips */
1874 if (!has_tcl)
1875 r300->hw.vap_cntl_status.cmd[1] |= R300_VAP_TCL_BYPASS;
1876
1877 r300->hw.vap_psc_sgn_norm_cntl.cmd[1] = 0xAAAAAAAA;
1878
1879 /* XXX: Other families? */
1880 if (has_tcl) {
1881 r300->hw.vap_clip_cntl.cmd[1] = R300_221C_NORMAL;
1882
1883 r300->hw.vap_clip.cmd[1] = r300PackFloat32(1.0); /* X */
1884 r300->hw.vap_clip.cmd[2] = r300PackFloat32(1.0); /* X */
1885 r300->hw.vap_clip.cmd[3] = r300PackFloat32(1.0); /* Y */
1886 r300->hw.vap_clip.cmd[4] = r300PackFloat32(1.0); /* Y */
1887
1888 switch (r300->radeon.radeonScreen->chip_family) {
1889 case CHIP_FAMILY_R300:
1890 r300->hw.vap_pvs_vtx_timeout_reg.cmd[1] = R300_2288_R300;
1891 break;
1892 default:
1893 r300->hw.vap_pvs_vtx_timeout_reg.cmd[1] = R300_2288_RV350;
1894 break;
1895 }
1896 }
1897
1898 r300->hw.gb_enable.cmd[1] = R300_GB_POINT_STUFF_ENABLE
1899 | R300_GB_LINE_STUFF_ENABLE
1900 | R300_GB_TRIANGLE_STUFF_ENABLE;
1901
1902 r300->hw.gb_misc.cmd[R300_GB_MISC_MSPOS_0] = 0x66666666;
1903 r300->hw.gb_misc.cmd[R300_GB_MISC_MSPOS_1] = 0x06666666;
1904
1905 /* XXX: Other families? */
1906 r300->hw.gb_misc.cmd[R300_GB_MISC_TILE_CONFIG] =
1907 R300_GB_TILE_ENABLE | R300_GB_TILE_SIZE_16;
1908 switch (r300->radeon.radeonScreen->chip_family) {
1909 case CHIP_FAMILY_R300:
1910 case CHIP_FAMILY_R350:
1911 case CHIP_FAMILY_RV410:
1912 r300->hw.gb_misc.cmd[R300_GB_MISC_TILE_CONFIG] |=
1913 R300_GB_TILE_PIPE_COUNT_R300;
1914 break;
1915 case CHIP_FAMILY_R420:
1916 r300->hw.gb_misc.cmd[R300_GB_MISC_TILE_CONFIG] |=
1917 R300_GB_TILE_PIPE_COUNT_R420;
1918 break;
1919 default:
1920 r300->hw.gb_misc.cmd[R300_GB_MISC_TILE_CONFIG] |=
1921 R300_GB_TILE_DISABLE; /* TODO: This disables tiling totally. I guess it happened accidentially. */
1922 break;
1923 }
1924
1925 /* XXX: set to 0 when fog is disabled? */
1926 r300->hw.gb_misc.cmd[R300_GB_MISC_SELECT] = R300_GB_FOG_SELECT_1_1_W;
1927
1928 /* XXX: Enable anti-aliasing? */
1929 r300->hw.gb_misc.cmd[R300_GB_MISC_AA_CONFIG] = GB_AA_CONFIG_AA_DISABLE;
1930
1931 r300->hw.ga_point_s0.cmd[1] = r300PackFloat32(0.0);
1932 r300->hw.ga_point_s0.cmd[2] = r300PackFloat32(0.0);
1933 r300->hw.ga_point_s0.cmd[3] = r300PackFloat32(1.0);
1934 r300->hw.ga_point_s0.cmd[4] = r300PackFloat32(1.0);
1935
1936 r300->hw.ga_triangle_stipple.cmd[1] = 0x00050005;
1937
1938 r300PointSize(ctx, 1.0);
1939
1940 r300->hw.ga_point_minmax.cmd[1] = 0x18000006;
1941 r300->hw.ga_point_minmax.cmd[2] = 0x00020006;
1942 r300->hw.ga_point_minmax.cmd[3] = r300PackFloat32(1.0 / 192.0);
1943
1944 r300LineWidth(ctx, 1.0);
1945
1946 r300->hw.ga_line_stipple.cmd[1] = 0;
1947 r300->hw.ga_line_stipple.cmd[2] = r300PackFloat32(0.0);
1948 r300->hw.ga_line_stipple.cmd[3] = r300PackFloat32(1.0);
1949
1950 r300ShadeModel(ctx, ctx->Light.ShadeModel);
1951
1952 r300PolygonMode(ctx, GL_FRONT, ctx->Polygon.FrontMode);
1953 r300PolygonMode(ctx, GL_BACK, ctx->Polygon.BackMode);
1954 r300->hw.zbias_cntl.cmd[1] = 0x00000000;
1955
1956 r300PolygonOffset(ctx, ctx->Polygon.OffsetFactor,
1957 ctx->Polygon.OffsetUnits);
1958 r300Enable(ctx, GL_POLYGON_OFFSET_POINT, ctx->Polygon.OffsetPoint);
1959 r300Enable(ctx, GL_POLYGON_OFFSET_LINE, ctx->Polygon.OffsetLine);
1960 r300Enable(ctx, GL_POLYGON_OFFSET_FILL, ctx->Polygon.OffsetFill);
1961
1962 r300->hw.su_depth_scale.cmd[1] = 0x4B7FFFFF;
1963 r300->hw.su_depth_scale.cmd[2] = 0x00000000;
1964
1965 r300->hw.sc_hyperz.cmd[1] = 0x0000001C;
1966 r300->hw.sc_hyperz.cmd[2] = 0x2DA49525;
1967
1968 r300->hw.sc_screendoor.cmd[1] = 0x00FFFFFF;
1969
1970 r300->hw.us_out_fmt.cmd[1] = 0x00001B01;
1971 r300->hw.us_out_fmt.cmd[2] = 0x00001B0F;
1972 r300->hw.us_out_fmt.cmd[3] = 0x00001B0F;
1973 r300->hw.us_out_fmt.cmd[4] = 0x00001B0F;
1974 r300->hw.us_out_fmt.cmd[5] = 0x00000001;
1975
1976 r300Enable(ctx, GL_FOG, ctx->Fog.Enabled);
1977 r300Fogfv(ctx, GL_FOG_MODE, NULL);
1978 r300Fogfv(ctx, GL_FOG_DENSITY, &ctx->Fog.Density);
1979 r300Fogfv(ctx, GL_FOG_START, &ctx->Fog.Start);
1980 r300Fogfv(ctx, GL_FOG_END, &ctx->Fog.End);
1981 r300Fogfv(ctx, GL_FOG_COLOR, ctx->Fog.Color);
1982 r300Fogfv(ctx, GL_FOG_COORDINATE_SOURCE_EXT, NULL);
1983
1984 r300->hw.fg_depth_src.cmd[1] = 0;
1985
1986 r300->hw.rb3d_cctl.cmd[1] = 0;
1987
1988 r300BlendColor(ctx, ctx->Color.BlendColor);
1989
1990 /* Again, r300ClearBuffer uses this */
1991 r300->hw.cb.cmd[R300_CB_OFFSET] =
1992 r300->radeon.state.color.drawOffset +
1993 r300->radeon.radeonScreen->fbLocation;
1994 r300->hw.cb.cmd[R300_CB_PITCH] = r300->radeon.state.color.drawPitch;
1995
1996 if (r300->radeon.radeonScreen->cpp == 4)
1997 r300->hw.cb.cmd[R300_CB_PITCH] |= R300_COLOR_FORMAT_ARGB8888;
1998 else
1999 r300->hw.cb.cmd[R300_CB_PITCH] |= R300_COLOR_FORMAT_RGB565;
2000
2001 if (r300->radeon.sarea->tiling_enabled)
2002 r300->hw.cb.cmd[R300_CB_PITCH] |= R300_COLOR_TILE_ENABLE;
2003
2004 r300->hw.rb3d_dither_ctl.cmd[1] = 0;
2005 r300->hw.rb3d_dither_ctl.cmd[2] = 0;
2006 r300->hw.rb3d_dither_ctl.cmd[3] = 0;
2007 r300->hw.rb3d_dither_ctl.cmd[4] = 0;
2008 r300->hw.rb3d_dither_ctl.cmd[5] = 0;
2009 r300->hw.rb3d_dither_ctl.cmd[6] = 0;
2010 r300->hw.rb3d_dither_ctl.cmd[7] = 0;
2011 r300->hw.rb3d_dither_ctl.cmd[8] = 0;
2012 r300->hw.rb3d_dither_ctl.cmd[9] = 0;
2013
2014 r300->hw.rb3d_aaresolve_ctl.cmd[1] = 0;
2015
2016 r300->hw.rb3d_discard_src_pixel_lte_threshold.cmd[1] = 0x00000000;
2017 r300->hw.rb3d_discard_src_pixel_lte_threshold.cmd[2] = 0xffffffff;
2018
2019 r300->hw.zb.cmd[R300_ZB_OFFSET] =
2020 r300->radeon.radeonScreen->depthOffset +
2021 r300->radeon.radeonScreen->fbLocation;
2022 r300->hw.zb.cmd[R300_ZB_PITCH] = r300->radeon.radeonScreen->depthPitch;
2023
2024 if (r300->radeon.sarea->tiling_enabled) {
2025 /* XXX: Turn off when clearing buffers ? */
2026 r300->hw.zb.cmd[R300_ZB_PITCH] |= ZB_DEPTHPITCH_DEPTHMACROTILE_ENABLE;
2027
2028 if (ctx->Visual.depthBits == 24)
2029 r300->hw.zb.cmd[R300_ZB_PITCH] |=
2030 ZB_DEPTHPITCH_DEPTHMICROTILE_TILED;
2031 }
2032
2033 r300->hw.zb_depthclearvalue.cmd[1] = 0;
2034
2035 r300->hw.unk4F30.cmd[1] = 0;
2036 r300->hw.unk4F30.cmd[2] = 0;
2037
2038 r300->hw.zb_hiz_offset.cmd[1] = 0;
2039
2040 r300->hw.zb_hiz_pitch.cmd[1] = 0;
2041
2042 if (has_tcl) {
2043 r300->hw.vps.cmd[R300_VPS_ZERO_0] = 0;
2044 r300->hw.vps.cmd[R300_VPS_ZERO_1] = 0;
2045 r300->hw.vps.cmd[R300_VPS_POINTSIZE] = r300PackFloat32(1.0);
2046 r300->hw.vps.cmd[R300_VPS_ZERO_3] = 0;
2047 }
2048
2049 r300->hw.all_dirty = GL_TRUE;
2050 }
2051
2052 void r300UpdateShaders(r300ContextPtr rmesa)
2053 {
2054 GLcontext *ctx;
2055 struct r300_vertex_program *vp;
2056 int i;
2057
2058 ctx = rmesa->radeon.glCtx;
2059
2060 if (rmesa->NewGLState && hw_tcl_on) {
2061 rmesa->NewGLState = 0;
2062
2063 for (i = _TNL_FIRST_MAT; i <= _TNL_LAST_MAT; i++) {
2064 rmesa->temp_attrib[i] =
2065 TNL_CONTEXT(ctx)->vb.AttribPtr[i];
2066 TNL_CONTEXT(ctx)->vb.AttribPtr[i] =
2067 &rmesa->dummy_attrib[i];
2068 }
2069
2070 _tnl_UpdateFixedFunctionProgram(ctx);
2071
2072 for (i = _TNL_FIRST_MAT; i <= _TNL_LAST_MAT; i++) {
2073 TNL_CONTEXT(ctx)->vb.AttribPtr[i] =
2074 rmesa->temp_attrib[i];
2075 }
2076
2077 r300SelectVertexShader(rmesa);
2078 vp = (struct r300_vertex_program *)
2079 CURRENT_VERTEX_SHADER(ctx);
2080 /*if (vp->translated == GL_FALSE)
2081 r300TranslateVertexShader(vp); */
2082 if (vp->translated == GL_FALSE) {
2083 fprintf(stderr, "Failing back to sw-tcl\n");
2084 hw_tcl_on = future_hw_tcl_on = 0;
2085 r300ResetHwState(rmesa);
2086
2087 return;
2088 }
2089 r300UpdateStateParameters(ctx, _NEW_PROGRAM);
2090 }
2091 }
2092
2093 static void r300SetupPixelShader(r300ContextPtr rmesa)
2094 {
2095 GLcontext *ctx = rmesa->radeon.glCtx;
2096 struct r300_fragment_program *fp = (struct r300_fragment_program *)
2097 (char *)ctx->FragmentProgram._Current;
2098 int i, k;
2099
2100 if (!fp) /* should only happenen once, just after context is created */
2101 return;
2102
2103 r300TranslateFragmentShader(rmesa, fp);
2104 if (!fp->translated) {
2105 fprintf(stderr, "%s: No valid fragment shader, exiting\n",
2106 __FUNCTION__);
2107 return;
2108 }
2109
2110 R300_STATECHANGE(rmesa, fpi[0]);
2111 rmesa->hw.fpi[0].cmd[R300_FPI_CMD_0] = cmdpacket0(R300_PFS_INSTR0_0, fp->alu_end + 1);
2112 for (i = 0; i <= fp->alu_end; i++) {
2113 rmesa->hw.fpi[0].cmd[R300_FPI_INSTR_0 + i] = fp->alu.inst[i].inst0;
2114 }
2115
2116 R300_STATECHANGE(rmesa, fpi[1]);
2117 rmesa->hw.fpi[1].cmd[R300_FPI_CMD_0] = cmdpacket0(R300_PFS_INSTR1_0, fp->alu_end + 1);
2118 for (i = 0; i <= fp->alu_end; i++) {
2119 rmesa->hw.fpi[1].cmd[R300_FPI_INSTR_0 + i] = fp->alu.inst[i].inst1;
2120 }
2121
2122 R300_STATECHANGE(rmesa, fpi[2]);
2123 rmesa->hw.fpi[2].cmd[R300_FPI_CMD_0] = cmdpacket0(R300_PFS_INSTR2_0, fp->alu_end + 1);
2124 for (i = 0; i <= fp->alu_end; i++) {
2125 rmesa->hw.fpi[2].cmd[R300_FPI_INSTR_0 + i] = fp->alu.inst[i].inst2;
2126 }
2127
2128 R300_STATECHANGE(rmesa, fpi[3]);
2129 rmesa->hw.fpi[3].cmd[R300_FPI_CMD_0] = cmdpacket0(R300_PFS_INSTR3_0, fp->alu_end + 1);
2130 for (i = 0; i <= fp->alu_end; i++) {
2131 rmesa->hw.fpi[3].cmd[R300_FPI_INSTR_0 + i] = fp->alu.inst[i].inst3;
2132 }
2133
2134 R300_STATECHANGE(rmesa, fp);
2135 rmesa->hw.fp.cmd[R300_FP_CNTL0] = fp->cur_node | (fp->first_node_has_tex << 3);
2136 rmesa->hw.fp.cmd[R300_FP_CNTL1] = fp->max_temp_idx;
2137 rmesa->hw.fp.cmd[R300_FP_CNTL2] =
2138 (fp->alu_offset << R300_PFS_CNTL_ALU_OFFSET_SHIFT) |
2139 (fp->alu_end << R300_PFS_CNTL_ALU_END_SHIFT) |
2140 (fp->tex_offset << R300_PFS_CNTL_TEX_OFFSET_SHIFT) |
2141 (fp->tex_end << R300_PFS_CNTL_TEX_END_SHIFT);
2142 /* I just want to say, the way these nodes are stored.. weird.. */
2143 for (i = 0, k = (4 - (fp->cur_node + 1)); i < 4; i++, k++) {
2144 if (i < (fp->cur_node + 1)) {
2145 rmesa->hw.fp.cmd[R300_FP_NODE0 + k] =
2146 (fp->node[i].alu_offset << R300_PFS_NODE_ALU_OFFSET_SHIFT) |
2147 (fp->node[i].alu_end << R300_PFS_NODE_ALU_END_SHIFT) |
2148 (fp->node[i].tex_offset << R300_PFS_NODE_TEX_OFFSET_SHIFT) |
2149 (fp->node[i].tex_end << R300_PFS_NODE_TEX_END_SHIFT) |
2150 fp->node[i].flags;
2151 } else {
2152 rmesa->hw.fp.cmd[R300_FP_NODE0 + (3 - i)] = 0;
2153 }
2154 }
2155
2156 R300_STATECHANGE(rmesa, fpp);
2157 rmesa->hw.fpp.cmd[R300_FPP_CMD_0] = cmdpacket0(R300_PFS_PARAM_0_X, fp->const_nr * 4);
2158 for (i = 0; i < fp->const_nr; i++) {
2159 rmesa->hw.fpp.cmd[R300_FPP_PARAM_0 + 4 * i + 0] = r300PackFloat24(fp->constant[i][0]);
2160 rmesa->hw.fpp.cmd[R300_FPP_PARAM_0 + 4 * i + 1] = r300PackFloat24(fp->constant[i][1]);
2161 rmesa->hw.fpp.cmd[R300_FPP_PARAM_0 + 4 * i + 2] = r300PackFloat24(fp->constant[i][2]);
2162 rmesa->hw.fpp.cmd[R300_FPP_PARAM_0 + 4 * i + 3] = r300PackFloat24(fp->constant[i][3]);
2163 }
2164 }
2165
2166 void r300UpdateShaderStates(r300ContextPtr rmesa)
2167 {
2168 GLcontext *ctx;
2169 ctx = rmesa->radeon.glCtx;
2170
2171 r300UpdateTextureState(ctx);
2172
2173 r300SetupPixelShader(rmesa);
2174 r300SetupTextures(ctx);
2175
2176 if ((rmesa->radeon.radeonScreen->chip_flags & RADEON_CHIPSET_TCL))
2177 r300SetupVertexProgram(rmesa);
2178 r300SetupRSUnit(ctx);
2179 }
2180
2181 /**
2182 * Called by Mesa after an internal state update.
2183 */
2184 static void r300InvalidateState(GLcontext * ctx, GLuint new_state)
2185 {
2186 r300ContextPtr r300 = R300_CONTEXT(ctx);
2187
2188 _swrast_InvalidateState(ctx, new_state);
2189 _swsetup_InvalidateState(ctx, new_state);
2190 _vbo_InvalidateState(ctx, new_state);
2191 _tnl_InvalidateState(ctx, new_state);
2192 _ae_invalidate_state(ctx, new_state);
2193
2194 if (new_state & (_NEW_BUFFERS | _NEW_COLOR | _NEW_PIXEL)) {
2195 r300UpdateDrawBuffer(ctx);
2196 }
2197
2198 r300UpdateStateParameters(ctx, new_state);
2199
2200 r300->NewGLState |= new_state;
2201 }
2202
2203 /**
2204 * Calculate initial hardware state and register state functions.
2205 * Assumes that the command buffer and state atoms have been
2206 * initialized already.
2207 */
2208 void r300InitState(r300ContextPtr r300)
2209 {
2210 GLcontext *ctx = r300->radeon.glCtx;
2211 GLuint depth_fmt;
2212
2213 radeonInitState(&r300->radeon);
2214
2215 switch (ctx->Visual.depthBits) {
2216 case 16:
2217 r300->state.depth.scale = 1.0 / (GLfloat) 0xffff;
2218 depth_fmt = ZB_FORMAR_DEPTHFORMAT_16BIT_INT_Z;
2219 r300->state.stencil.clear = 0x00000000;
2220 break;
2221 case 24:
2222 r300->state.depth.scale = 1.0 / (GLfloat) 0xffffff;
2223 depth_fmt = ZB_FORMAR_DEPTHFORMAT_24BIT_INT_Z;
2224 r300->state.stencil.clear = 0x00ff0000;
2225 break;
2226 default:
2227 fprintf(stderr, "Error: Unsupported depth %d... exiting\n",
2228 ctx->Visual.depthBits);
2229 _mesa_exit(-1);
2230 }
2231
2232 /* Only have hw stencil when depth buffer is 24 bits deep */
2233 r300->state.stencil.hw_stencil = (ctx->Visual.stencilBits > 0 &&
2234 ctx->Visual.depthBits == 24);
2235
2236 memset(&(r300->state.texture), 0, sizeof(r300->state.texture));
2237
2238 r300ResetHwState(r300);
2239 }
2240
2241 static void r300RenderMode(GLcontext * ctx, GLenum mode)
2242 {
2243 r300ContextPtr rmesa = R300_CONTEXT(ctx);
2244 (void)rmesa;
2245 (void)mode;
2246 }
2247
2248 void r300UpdateClipPlanes( GLcontext *ctx )
2249 {
2250 r300ContextPtr rmesa = R300_CONTEXT(ctx);
2251 GLuint p;
2252
2253 for (p = 0; p < ctx->Const.MaxClipPlanes; p++) {
2254 if (ctx->Transform.ClipPlanesEnabled & (1 << p)) {
2255 GLint *ip = (GLint *)ctx->Transform._ClipUserPlane[p];
2256
2257 R300_STATECHANGE( rmesa, vpucp[p] );
2258 rmesa->hw.vpucp[p].cmd[R300_VPUCP_X] = ip[0];
2259 rmesa->hw.vpucp[p].cmd[R300_VPUCP_Y] = ip[1];
2260 rmesa->hw.vpucp[p].cmd[R300_VPUCP_Z] = ip[2];
2261 rmesa->hw.vpucp[p].cmd[R300_VPUCP_W] = ip[3];
2262 }
2263 }
2264 }
2265
2266 /**
2267 * Initialize driver's state callback functions
2268 */
2269 void r300InitStateFuncs(struct dd_function_table *functions)
2270 {
2271 radeonInitStateFuncs(functions);
2272
2273 functions->UpdateState = r300InvalidateState;
2274 functions->AlphaFunc = r300AlphaFunc;
2275 functions->BlendColor = r300BlendColor;
2276 functions->BlendEquationSeparate = r300BlendEquationSeparate;
2277 functions->BlendFuncSeparate = r300BlendFuncSeparate;
2278 functions->Enable = r300Enable;
2279 functions->ColorMask = r300ColorMask;
2280 functions->DepthFunc = r300DepthFunc;
2281 functions->DepthMask = r300DepthMask;
2282 functions->CullFace = r300CullFace;
2283 functions->Fogfv = r300Fogfv;
2284 functions->FrontFace = r300FrontFace;
2285 functions->ShadeModel = r300ShadeModel;
2286
2287 /* Stencil related */
2288 functions->ClearStencil = r300ClearStencil;
2289 functions->StencilFuncSeparate = r300StencilFuncSeparate;
2290 functions->StencilMaskSeparate = r300StencilMaskSeparate;
2291 functions->StencilOpSeparate = r300StencilOpSeparate;
2292
2293 /* Viewport related */
2294 functions->Viewport = r300Viewport;
2295 functions->DepthRange = r300DepthRange;
2296 functions->PointSize = r300PointSize;
2297 functions->LineWidth = r300LineWidth;
2298
2299 functions->PolygonOffset = r300PolygonOffset;
2300 functions->PolygonMode = r300PolygonMode;
2301
2302 functions->RenderMode = r300RenderMode;
2303
2304 functions->ClipPlane = r300ClipPlane;
2305 }