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Merge branch 'master' of git+ssh://keithw@git.freedesktop.org/git/mesa/mesa into...
[mesa.git] / src / mesa / drivers / dri / r200 / r200_state.c
1 /* $XFree86$ */
2 /**************************************************************************
3
4 Copyright (C) The Weather Channel, Inc. 2002. 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 * Authors:
34 * Keith Whitwell <keith@tungstengraphics.com>
35 */
36
37 #include "glheader.h"
38 #include "imports.h"
39 #include "api_arrayelt.h"
40 #include "enums.h"
41 #include "colormac.h"
42 #include "light.h"
43 #include "framebuffer.h"
44
45 #include "swrast/swrast.h"
46 #include "vbo/vbo.h"
47 #include "tnl/tnl.h"
48 #include "tnl/t_pipeline.h"
49 #include "swrast_setup/swrast_setup.h"
50
51 #include "r200_context.h"
52 #include "r200_ioctl.h"
53 #include "r200_state.h"
54 #include "r200_tcl.h"
55 #include "r200_tex.h"
56 #include "r200_swtcl.h"
57 #include "r200_vertprog.h"
58
59 #include "drirenderbuffer.h"
60
61
62 /* =============================================================
63 * Alpha blending
64 */
65
66 static void r200AlphaFunc( GLcontext *ctx, GLenum func, GLfloat ref )
67 {
68 r200ContextPtr rmesa = R200_CONTEXT(ctx);
69 int pp_misc = rmesa->hw.ctx.cmd[CTX_PP_MISC];
70 GLubyte refByte;
71
72 CLAMPED_FLOAT_TO_UBYTE(refByte, ref);
73
74 R200_STATECHANGE( rmesa, ctx );
75
76 pp_misc &= ~(R200_ALPHA_TEST_OP_MASK | R200_REF_ALPHA_MASK);
77 pp_misc |= (refByte & R200_REF_ALPHA_MASK);
78
79 switch ( func ) {
80 case GL_NEVER:
81 pp_misc |= R200_ALPHA_TEST_FAIL;
82 break;
83 case GL_LESS:
84 pp_misc |= R200_ALPHA_TEST_LESS;
85 break;
86 case GL_EQUAL:
87 pp_misc |= R200_ALPHA_TEST_EQUAL;
88 break;
89 case GL_LEQUAL:
90 pp_misc |= R200_ALPHA_TEST_LEQUAL;
91 break;
92 case GL_GREATER:
93 pp_misc |= R200_ALPHA_TEST_GREATER;
94 break;
95 case GL_NOTEQUAL:
96 pp_misc |= R200_ALPHA_TEST_NEQUAL;
97 break;
98 case GL_GEQUAL:
99 pp_misc |= R200_ALPHA_TEST_GEQUAL;
100 break;
101 case GL_ALWAYS:
102 pp_misc |= R200_ALPHA_TEST_PASS;
103 break;
104 }
105
106 rmesa->hw.ctx.cmd[CTX_PP_MISC] = pp_misc;
107 }
108
109 static void r200BlendColor( GLcontext *ctx, const GLfloat cf[4] )
110 {
111 GLubyte color[4];
112 r200ContextPtr rmesa = R200_CONTEXT(ctx);
113 R200_STATECHANGE( rmesa, ctx );
114 CLAMPED_FLOAT_TO_UBYTE(color[0], cf[0]);
115 CLAMPED_FLOAT_TO_UBYTE(color[1], cf[1]);
116 CLAMPED_FLOAT_TO_UBYTE(color[2], cf[2]);
117 CLAMPED_FLOAT_TO_UBYTE(color[3], cf[3]);
118 if (rmesa->r200Screen->drmSupportsBlendColor)
119 rmesa->hw.ctx.cmd[CTX_RB3D_BLENDCOLOR] = r200PackColor( 4, color[0], color[1], color[2], color[3] );
120 }
121
122 /**
123 * Calculate the hardware blend factor setting. This same function is used
124 * for source and destination of both alpha and RGB.
125 *
126 * \returns
127 * The hardware register value for the specified blend factor. This value
128 * will need to be shifted into the correct position for either source or
129 * destination factor.
130 *
131 * \todo
132 * Since the two cases where source and destination are handled differently
133 * are essentially error cases, they should never happen. Determine if these
134 * cases can be removed.
135 */
136 static int blend_factor( GLenum factor, GLboolean is_src )
137 {
138 int func;
139
140 switch ( factor ) {
141 case GL_ZERO:
142 func = R200_BLEND_GL_ZERO;
143 break;
144 case GL_ONE:
145 func = R200_BLEND_GL_ONE;
146 break;
147 case GL_DST_COLOR:
148 func = R200_BLEND_GL_DST_COLOR;
149 break;
150 case GL_ONE_MINUS_DST_COLOR:
151 func = R200_BLEND_GL_ONE_MINUS_DST_COLOR;
152 break;
153 case GL_SRC_COLOR:
154 func = R200_BLEND_GL_SRC_COLOR;
155 break;
156 case GL_ONE_MINUS_SRC_COLOR:
157 func = R200_BLEND_GL_ONE_MINUS_SRC_COLOR;
158 break;
159 case GL_SRC_ALPHA:
160 func = R200_BLEND_GL_SRC_ALPHA;
161 break;
162 case GL_ONE_MINUS_SRC_ALPHA:
163 func = R200_BLEND_GL_ONE_MINUS_SRC_ALPHA;
164 break;
165 case GL_DST_ALPHA:
166 func = R200_BLEND_GL_DST_ALPHA;
167 break;
168 case GL_ONE_MINUS_DST_ALPHA:
169 func = R200_BLEND_GL_ONE_MINUS_DST_ALPHA;
170 break;
171 case GL_SRC_ALPHA_SATURATE:
172 func = (is_src) ? R200_BLEND_GL_SRC_ALPHA_SATURATE : R200_BLEND_GL_ZERO;
173 break;
174 case GL_CONSTANT_COLOR:
175 func = R200_BLEND_GL_CONST_COLOR;
176 break;
177 case GL_ONE_MINUS_CONSTANT_COLOR:
178 func = R200_BLEND_GL_ONE_MINUS_CONST_COLOR;
179 break;
180 case GL_CONSTANT_ALPHA:
181 func = R200_BLEND_GL_CONST_ALPHA;
182 break;
183 case GL_ONE_MINUS_CONSTANT_ALPHA:
184 func = R200_BLEND_GL_ONE_MINUS_CONST_ALPHA;
185 break;
186 default:
187 func = (is_src) ? R200_BLEND_GL_ONE : R200_BLEND_GL_ZERO;
188 }
189 return func;
190 }
191
192 /**
193 * Sets both the blend equation and the blend function.
194 * This is done in a single
195 * function because some blend equations (i.e., \c GL_MIN and \c GL_MAX)
196 * change the interpretation of the blend function.
197 * Also, make sure that blend function and blend equation are set to their default
198 * value if color blending is not enabled, since at least blend equations GL_MIN
199 * and GL_FUNC_REVERSE_SUBTRACT will cause wrong results otherwise for
200 * unknown reasons.
201 */
202 static void r200_set_blend_state( GLcontext * ctx )
203 {
204 r200ContextPtr rmesa = R200_CONTEXT(ctx);
205 GLuint cntl = rmesa->hw.ctx.cmd[CTX_RB3D_CNTL] &
206 ~(R200_ROP_ENABLE | R200_ALPHA_BLEND_ENABLE | R200_SEPARATE_ALPHA_ENABLE);
207
208 int func = (R200_BLEND_GL_ONE << R200_SRC_BLEND_SHIFT) |
209 (R200_BLEND_GL_ZERO << R200_DST_BLEND_SHIFT);
210 int eqn = R200_COMB_FCN_ADD_CLAMP;
211 int funcA = (R200_BLEND_GL_ONE << R200_SRC_BLEND_SHIFT) |
212 (R200_BLEND_GL_ZERO << R200_DST_BLEND_SHIFT);
213 int eqnA = R200_COMB_FCN_ADD_CLAMP;
214
215 R200_STATECHANGE( rmesa, ctx );
216
217 if (rmesa->r200Screen->drmSupportsBlendColor) {
218 if (ctx->Color.ColorLogicOpEnabled) {
219 rmesa->hw.ctx.cmd[CTX_RB3D_CNTL] = cntl | R200_ROP_ENABLE;
220 rmesa->hw.ctx.cmd[CTX_RB3D_ABLENDCNTL] = eqn | func;
221 rmesa->hw.ctx.cmd[CTX_RB3D_CBLENDCNTL] = eqn | func;
222 return;
223 } else if (ctx->Color.BlendEnabled) {
224 rmesa->hw.ctx.cmd[CTX_RB3D_CNTL] = cntl | R200_ALPHA_BLEND_ENABLE | R200_SEPARATE_ALPHA_ENABLE;
225 }
226 else {
227 rmesa->hw.ctx.cmd[CTX_RB3D_CNTL] = cntl;
228 rmesa->hw.ctx.cmd[CTX_RB3D_ABLENDCNTL] = eqn | func;
229 rmesa->hw.ctx.cmd[CTX_RB3D_CBLENDCNTL] = eqn | func;
230 return;
231 }
232 }
233 else {
234 if (ctx->Color.ColorLogicOpEnabled) {
235 rmesa->hw.ctx.cmd[CTX_RB3D_CNTL] = cntl | R200_ROP_ENABLE;
236 rmesa->hw.ctx.cmd[CTX_RB3D_BLENDCNTL] = eqn | func;
237 return;
238 } else if (ctx->Color.BlendEnabled) {
239 rmesa->hw.ctx.cmd[CTX_RB3D_CNTL] = cntl | R200_ALPHA_BLEND_ENABLE;
240 }
241 else {
242 rmesa->hw.ctx.cmd[CTX_RB3D_CNTL] = cntl;
243 rmesa->hw.ctx.cmd[CTX_RB3D_BLENDCNTL] = eqn | func;
244 return;
245 }
246 }
247
248 func = (blend_factor( ctx->Color.BlendSrcRGB, GL_TRUE ) << R200_SRC_BLEND_SHIFT) |
249 (blend_factor( ctx->Color.BlendDstRGB, GL_FALSE ) << R200_DST_BLEND_SHIFT);
250
251 switch(ctx->Color.BlendEquationRGB) {
252 case GL_FUNC_ADD:
253 eqn = R200_COMB_FCN_ADD_CLAMP;
254 break;
255
256 case GL_FUNC_SUBTRACT:
257 eqn = R200_COMB_FCN_SUB_CLAMP;
258 break;
259
260 case GL_FUNC_REVERSE_SUBTRACT:
261 eqn = R200_COMB_FCN_RSUB_CLAMP;
262 break;
263
264 case GL_MIN:
265 eqn = R200_COMB_FCN_MIN;
266 func = (R200_BLEND_GL_ONE << R200_SRC_BLEND_SHIFT) |
267 (R200_BLEND_GL_ONE << R200_DST_BLEND_SHIFT);
268 break;
269
270 case GL_MAX:
271 eqn = R200_COMB_FCN_MAX;
272 func = (R200_BLEND_GL_ONE << R200_SRC_BLEND_SHIFT) |
273 (R200_BLEND_GL_ONE << R200_DST_BLEND_SHIFT);
274 break;
275
276 default:
277 fprintf( stderr, "[%s:%u] Invalid RGB blend equation (0x%04x).\n",
278 __FUNCTION__, __LINE__, ctx->Color.BlendEquationRGB );
279 return;
280 }
281
282 if (!rmesa->r200Screen->drmSupportsBlendColor) {
283 rmesa->hw.ctx.cmd[CTX_RB3D_BLENDCNTL] = eqn | func;
284 return;
285 }
286
287 funcA = (blend_factor( ctx->Color.BlendSrcA, GL_TRUE ) << R200_SRC_BLEND_SHIFT) |
288 (blend_factor( ctx->Color.BlendDstA, GL_FALSE ) << R200_DST_BLEND_SHIFT);
289
290 switch(ctx->Color.BlendEquationA) {
291 case GL_FUNC_ADD:
292 eqnA = R200_COMB_FCN_ADD_CLAMP;
293 break;
294
295 case GL_FUNC_SUBTRACT:
296 eqnA = R200_COMB_FCN_SUB_CLAMP;
297 break;
298
299 case GL_FUNC_REVERSE_SUBTRACT:
300 eqnA = R200_COMB_FCN_RSUB_CLAMP;
301 break;
302
303 case GL_MIN:
304 eqnA = R200_COMB_FCN_MIN;
305 funcA = (R200_BLEND_GL_ONE << R200_SRC_BLEND_SHIFT) |
306 (R200_BLEND_GL_ONE << R200_DST_BLEND_SHIFT);
307 break;
308
309 case GL_MAX:
310 eqnA = R200_COMB_FCN_MAX;
311 funcA = (R200_BLEND_GL_ONE << R200_SRC_BLEND_SHIFT) |
312 (R200_BLEND_GL_ONE << R200_DST_BLEND_SHIFT);
313 break;
314
315 default:
316 fprintf( stderr, "[%s:%u] Invalid A blend equation (0x%04x).\n",
317 __FUNCTION__, __LINE__, ctx->Color.BlendEquationA );
318 return;
319 }
320
321 rmesa->hw.ctx.cmd[CTX_RB3D_ABLENDCNTL] = eqnA | funcA;
322 rmesa->hw.ctx.cmd[CTX_RB3D_CBLENDCNTL] = eqn | func;
323
324 }
325
326 static void r200BlendEquationSeparate( GLcontext *ctx,
327 GLenum modeRGB, GLenum modeA )
328 {
329 r200_set_blend_state( ctx );
330 }
331
332 static void r200BlendFuncSeparate( GLcontext *ctx,
333 GLenum sfactorRGB, GLenum dfactorRGB,
334 GLenum sfactorA, GLenum dfactorA )
335 {
336 r200_set_blend_state( ctx );
337 }
338
339
340 /* =============================================================
341 * Depth testing
342 */
343
344 static void r200DepthFunc( GLcontext *ctx, GLenum func )
345 {
346 r200ContextPtr rmesa = R200_CONTEXT(ctx);
347
348 R200_STATECHANGE( rmesa, ctx );
349 rmesa->hw.ctx.cmd[CTX_RB3D_ZSTENCILCNTL] &= ~R200_Z_TEST_MASK;
350
351 switch ( ctx->Depth.Func ) {
352 case GL_NEVER:
353 rmesa->hw.ctx.cmd[CTX_RB3D_ZSTENCILCNTL] |= R200_Z_TEST_NEVER;
354 break;
355 case GL_LESS:
356 rmesa->hw.ctx.cmd[CTX_RB3D_ZSTENCILCNTL] |= R200_Z_TEST_LESS;
357 break;
358 case GL_EQUAL:
359 rmesa->hw.ctx.cmd[CTX_RB3D_ZSTENCILCNTL] |= R200_Z_TEST_EQUAL;
360 break;
361 case GL_LEQUAL:
362 rmesa->hw.ctx.cmd[CTX_RB3D_ZSTENCILCNTL] |= R200_Z_TEST_LEQUAL;
363 break;
364 case GL_GREATER:
365 rmesa->hw.ctx.cmd[CTX_RB3D_ZSTENCILCNTL] |= R200_Z_TEST_GREATER;
366 break;
367 case GL_NOTEQUAL:
368 rmesa->hw.ctx.cmd[CTX_RB3D_ZSTENCILCNTL] |= R200_Z_TEST_NEQUAL;
369 break;
370 case GL_GEQUAL:
371 rmesa->hw.ctx.cmd[CTX_RB3D_ZSTENCILCNTL] |= R200_Z_TEST_GEQUAL;
372 break;
373 case GL_ALWAYS:
374 rmesa->hw.ctx.cmd[CTX_RB3D_ZSTENCILCNTL] |= R200_Z_TEST_ALWAYS;
375 break;
376 }
377 }
378
379 static void r200ClearDepth( GLcontext *ctx, GLclampd d )
380 {
381 r200ContextPtr rmesa = R200_CONTEXT(ctx);
382 GLuint format = (rmesa->hw.ctx.cmd[CTX_RB3D_ZSTENCILCNTL] &
383 R200_DEPTH_FORMAT_MASK);
384
385 switch ( format ) {
386 case R200_DEPTH_FORMAT_16BIT_INT_Z:
387 rmesa->state.depth.clear = d * 0x0000ffff;
388 break;
389 case R200_DEPTH_FORMAT_24BIT_INT_Z:
390 rmesa->state.depth.clear = d * 0x00ffffff;
391 break;
392 }
393 }
394
395 static void r200DepthMask( GLcontext *ctx, GLboolean flag )
396 {
397 r200ContextPtr rmesa = R200_CONTEXT(ctx);
398 R200_STATECHANGE( rmesa, ctx );
399
400 if ( ctx->Depth.Mask ) {
401 rmesa->hw.ctx.cmd[CTX_RB3D_ZSTENCILCNTL] |= R200_Z_WRITE_ENABLE;
402 } else {
403 rmesa->hw.ctx.cmd[CTX_RB3D_ZSTENCILCNTL] &= ~R200_Z_WRITE_ENABLE;
404 }
405 }
406
407
408 /* =============================================================
409 * Fog
410 */
411
412
413 static void r200Fogfv( GLcontext *ctx, GLenum pname, const GLfloat *param )
414 {
415 r200ContextPtr rmesa = R200_CONTEXT(ctx);
416 union { int i; float f; } c, d;
417 GLchan col[4];
418 GLuint i;
419
420 c.i = rmesa->hw.fog.cmd[FOG_C];
421 d.i = rmesa->hw.fog.cmd[FOG_D];
422
423 switch (pname) {
424 case GL_FOG_MODE:
425 if (!ctx->Fog.Enabled)
426 return;
427 R200_STATECHANGE(rmesa, tcl);
428 rmesa->hw.tcl.cmd[TCL_UCP_VERT_BLEND_CTL] &= ~R200_TCL_FOG_MASK;
429 switch (ctx->Fog.Mode) {
430 case GL_LINEAR:
431 rmesa->hw.tcl.cmd[TCL_UCP_VERT_BLEND_CTL] |= R200_TCL_FOG_LINEAR;
432 if (ctx->Fog.Start == ctx->Fog.End) {
433 c.f = 1.0F;
434 d.f = 1.0F;
435 }
436 else {
437 c.f = ctx->Fog.End/(ctx->Fog.End-ctx->Fog.Start);
438 d.f = -1.0/(ctx->Fog.End-ctx->Fog.Start);
439 }
440 break;
441 case GL_EXP:
442 rmesa->hw.tcl.cmd[TCL_UCP_VERT_BLEND_CTL] |= R200_TCL_FOG_EXP;
443 c.f = 0.0;
444 d.f = -ctx->Fog.Density;
445 break;
446 case GL_EXP2:
447 rmesa->hw.tcl.cmd[TCL_UCP_VERT_BLEND_CTL] |= R200_TCL_FOG_EXP2;
448 c.f = 0.0;
449 d.f = -(ctx->Fog.Density * ctx->Fog.Density);
450 break;
451 default:
452 return;
453 }
454 break;
455 case GL_FOG_DENSITY:
456 switch (ctx->Fog.Mode) {
457 case GL_EXP:
458 c.f = 0.0;
459 d.f = -ctx->Fog.Density;
460 break;
461 case GL_EXP2:
462 c.f = 0.0;
463 d.f = -(ctx->Fog.Density * ctx->Fog.Density);
464 break;
465 default:
466 break;
467 }
468 break;
469 case GL_FOG_START:
470 case GL_FOG_END:
471 if (ctx->Fog.Mode == GL_LINEAR) {
472 if (ctx->Fog.Start == ctx->Fog.End) {
473 c.f = 1.0F;
474 d.f = 1.0F;
475 } else {
476 c.f = ctx->Fog.End/(ctx->Fog.End-ctx->Fog.Start);
477 d.f = -1.0/(ctx->Fog.End-ctx->Fog.Start);
478 }
479 }
480 break;
481 case GL_FOG_COLOR:
482 R200_STATECHANGE( rmesa, ctx );
483 UNCLAMPED_FLOAT_TO_RGB_CHAN( col, ctx->Fog.Color );
484 i = r200PackColor( 4, col[0], col[1], col[2], 0 );
485 rmesa->hw.ctx.cmd[CTX_PP_FOG_COLOR] &= ~R200_FOG_COLOR_MASK;
486 rmesa->hw.ctx.cmd[CTX_PP_FOG_COLOR] |= i;
487 break;
488 case GL_FOG_COORD_SRC: {
489 GLuint out_0 = rmesa->hw.vtx.cmd[VTX_TCL_OUTPUT_VTXFMT_0];
490 GLuint fog = rmesa->hw.ctx.cmd[CTX_PP_FOG_COLOR];
491
492 fog &= ~R200_FOG_USE_MASK;
493 if ( ctx->Fog.FogCoordinateSource == GL_FOG_COORD || ctx->VertexProgram.Enabled) {
494 fog |= R200_FOG_USE_VTX_FOG;
495 out_0 |= R200_VTX_DISCRETE_FOG;
496 }
497 else {
498 fog |= R200_FOG_USE_SPEC_ALPHA;
499 out_0 &= ~R200_VTX_DISCRETE_FOG;
500 }
501
502 if ( fog != rmesa->hw.ctx.cmd[CTX_PP_FOG_COLOR] ) {
503 R200_STATECHANGE( rmesa, ctx );
504 rmesa->hw.ctx.cmd[CTX_PP_FOG_COLOR] = fog;
505 }
506
507 if (out_0 != rmesa->hw.vtx.cmd[VTX_TCL_OUTPUT_VTXFMT_0]) {
508 R200_STATECHANGE( rmesa, vtx );
509 rmesa->hw.vtx.cmd[VTX_TCL_OUTPUT_VTXFMT_0] = out_0;
510 }
511
512 break;
513 }
514 default:
515 return;
516 }
517
518 if (c.i != rmesa->hw.fog.cmd[FOG_C] || d.i != rmesa->hw.fog.cmd[FOG_D]) {
519 R200_STATECHANGE( rmesa, fog );
520 rmesa->hw.fog.cmd[FOG_C] = c.i;
521 rmesa->hw.fog.cmd[FOG_D] = d.i;
522 }
523 }
524
525
526 /* =============================================================
527 * Scissoring
528 */
529
530
531 static GLboolean intersect_rect( drm_clip_rect_t *out,
532 drm_clip_rect_t *a,
533 drm_clip_rect_t *b )
534 {
535 *out = *a;
536 if ( b->x1 > out->x1 ) out->x1 = b->x1;
537 if ( b->y1 > out->y1 ) out->y1 = b->y1;
538 if ( b->x2 < out->x2 ) out->x2 = b->x2;
539 if ( b->y2 < out->y2 ) out->y2 = b->y2;
540 if ( out->x1 >= out->x2 ) return GL_FALSE;
541 if ( out->y1 >= out->y2 ) return GL_FALSE;
542 return GL_TRUE;
543 }
544
545
546 void r200RecalcScissorRects( r200ContextPtr rmesa )
547 {
548 drm_clip_rect_t *out;
549 int i;
550
551 /* Grow cliprect store?
552 */
553 if (rmesa->state.scissor.numAllocedClipRects < rmesa->numClipRects) {
554 while (rmesa->state.scissor.numAllocedClipRects < rmesa->numClipRects) {
555 rmesa->state.scissor.numAllocedClipRects += 1; /* zero case */
556 rmesa->state.scissor.numAllocedClipRects *= 2;
557 }
558
559 if (rmesa->state.scissor.pClipRects)
560 FREE(rmesa->state.scissor.pClipRects);
561
562 rmesa->state.scissor.pClipRects =
563 MALLOC( rmesa->state.scissor.numAllocedClipRects *
564 sizeof(drm_clip_rect_t) );
565
566 if ( rmesa->state.scissor.pClipRects == NULL ) {
567 rmesa->state.scissor.numAllocedClipRects = 0;
568 return;
569 }
570 }
571
572 out = rmesa->state.scissor.pClipRects;
573 rmesa->state.scissor.numClipRects = 0;
574
575 for ( i = 0 ; i < rmesa->numClipRects ; i++ ) {
576 if ( intersect_rect( out,
577 &rmesa->pClipRects[i],
578 &rmesa->state.scissor.rect ) ) {
579 rmesa->state.scissor.numClipRects++;
580 out++;
581 }
582 }
583 }
584
585
586 static void r200UpdateScissor( GLcontext *ctx )
587 {
588 r200ContextPtr rmesa = R200_CONTEXT(ctx);
589
590 if ( rmesa->dri.drawable ) {
591 __DRIdrawablePrivate *dPriv = rmesa->dri.drawable;
592
593 int x = ctx->Scissor.X;
594 int y = dPriv->h - ctx->Scissor.Y - ctx->Scissor.Height;
595 int w = ctx->Scissor.X + ctx->Scissor.Width - 1;
596 int h = dPriv->h - ctx->Scissor.Y - 1;
597
598 rmesa->state.scissor.rect.x1 = x + dPriv->x;
599 rmesa->state.scissor.rect.y1 = y + dPriv->y;
600 rmesa->state.scissor.rect.x2 = w + dPriv->x + 1;
601 rmesa->state.scissor.rect.y2 = h + dPriv->y + 1;
602
603 r200RecalcScissorRects( rmesa );
604 }
605 }
606
607
608 static void r200Scissor( GLcontext *ctx,
609 GLint x, GLint y, GLsizei w, GLsizei h )
610 {
611 r200ContextPtr rmesa = R200_CONTEXT(ctx);
612
613 if ( ctx->Scissor.Enabled ) {
614 R200_FIREVERTICES( rmesa ); /* don't pipeline cliprect changes */
615 r200UpdateScissor( ctx );
616 }
617
618 }
619
620
621 /* =============================================================
622 * Culling
623 */
624
625 static void r200CullFace( GLcontext *ctx, GLenum unused )
626 {
627 r200ContextPtr rmesa = R200_CONTEXT(ctx);
628 GLuint s = rmesa->hw.set.cmd[SET_SE_CNTL];
629 GLuint t = rmesa->hw.tcl.cmd[TCL_UCP_VERT_BLEND_CTL];
630
631 s |= R200_FFACE_SOLID | R200_BFACE_SOLID;
632 t &= ~(R200_CULL_FRONT | R200_CULL_BACK);
633
634 if ( ctx->Polygon.CullFlag ) {
635 switch ( ctx->Polygon.CullFaceMode ) {
636 case GL_FRONT:
637 s &= ~R200_FFACE_SOLID;
638 t |= R200_CULL_FRONT;
639 break;
640 case GL_BACK:
641 s &= ~R200_BFACE_SOLID;
642 t |= R200_CULL_BACK;
643 break;
644 case GL_FRONT_AND_BACK:
645 s &= ~(R200_FFACE_SOLID | R200_BFACE_SOLID);
646 t |= (R200_CULL_FRONT | R200_CULL_BACK);
647 break;
648 }
649 }
650
651 if ( rmesa->hw.set.cmd[SET_SE_CNTL] != s ) {
652 R200_STATECHANGE(rmesa, set );
653 rmesa->hw.set.cmd[SET_SE_CNTL] = s;
654 }
655
656 if ( rmesa->hw.tcl.cmd[TCL_UCP_VERT_BLEND_CTL] != t ) {
657 R200_STATECHANGE(rmesa, tcl );
658 rmesa->hw.tcl.cmd[TCL_UCP_VERT_BLEND_CTL] = t;
659 }
660 }
661
662 static void r200FrontFace( GLcontext *ctx, GLenum mode )
663 {
664 r200ContextPtr rmesa = R200_CONTEXT(ctx);
665
666 R200_STATECHANGE( rmesa, set );
667 rmesa->hw.set.cmd[SET_SE_CNTL] &= ~R200_FFACE_CULL_DIR_MASK;
668
669 R200_STATECHANGE( rmesa, tcl );
670 rmesa->hw.tcl.cmd[TCL_UCP_VERT_BLEND_CTL] &= ~R200_CULL_FRONT_IS_CCW;
671
672 switch ( mode ) {
673 case GL_CW:
674 rmesa->hw.set.cmd[SET_SE_CNTL] |= R200_FFACE_CULL_CW;
675 break;
676 case GL_CCW:
677 rmesa->hw.set.cmd[SET_SE_CNTL] |= R200_FFACE_CULL_CCW;
678 rmesa->hw.tcl.cmd[TCL_UCP_VERT_BLEND_CTL] |= R200_CULL_FRONT_IS_CCW;
679 break;
680 }
681 }
682
683 /* =============================================================
684 * Point state
685 */
686 static void r200PointSize( GLcontext *ctx, GLfloat size )
687 {
688 r200ContextPtr rmesa = R200_CONTEXT(ctx);
689 GLfloat *fcmd = (GLfloat *)rmesa->hw.ptp.cmd;
690
691 R200_STATECHANGE( rmesa, cst );
692 R200_STATECHANGE( rmesa, ptp );
693 rmesa->hw.cst.cmd[CST_RE_POINTSIZE] &= ~0xffff;
694 rmesa->hw.cst.cmd[CST_RE_POINTSIZE] |= ((GLuint)(ctx->Point.Size * 16.0));
695 /* this is the size param of the point size calculation (point size reg value
696 is not used when calculation is active). */
697 fcmd[PTP_VPORT_SCALE_PTSIZE] = ctx->Point.Size;
698 }
699
700 static void r200PointParameter( GLcontext *ctx, GLenum pname, const GLfloat *params)
701 {
702 r200ContextPtr rmesa = R200_CONTEXT(ctx);
703 GLfloat *fcmd = (GLfloat *)rmesa->hw.ptp.cmd;
704
705 switch (pname) {
706 case GL_POINT_SIZE_MIN:
707 /* Can clamp both in tcl and setup - just set both (as does fglrx) */
708 R200_STATECHANGE( rmesa, lin );
709 R200_STATECHANGE( rmesa, ptp );
710 rmesa->hw.lin.cmd[LIN_SE_LINE_WIDTH] &= 0xffff;
711 rmesa->hw.lin.cmd[LIN_SE_LINE_WIDTH] |= (GLuint)(ctx->Point.MinSize * 16.0) << 16;
712 fcmd[PTP_CLAMP_MIN] = ctx->Point.MinSize;
713 break;
714 case GL_POINT_SIZE_MAX:
715 R200_STATECHANGE( rmesa, cst );
716 R200_STATECHANGE( rmesa, ptp );
717 rmesa->hw.cst.cmd[CST_RE_POINTSIZE] &= 0xffff;
718 rmesa->hw.cst.cmd[CST_RE_POINTSIZE] |= (GLuint)(ctx->Point.MaxSize * 16.0) << 16;
719 fcmd[PTP_CLAMP_MAX] = ctx->Point.MaxSize;
720 break;
721 case GL_POINT_DISTANCE_ATTENUATION:
722 R200_STATECHANGE( rmesa, vtx );
723 R200_STATECHANGE( rmesa, spr );
724 R200_STATECHANGE( rmesa, ptp );
725 GLfloat *fcmd = (GLfloat *)rmesa->hw.ptp.cmd;
726 rmesa->hw.spr.cmd[SPR_POINT_SPRITE_CNTL] &=
727 ~(R200_PS_MULT_MASK | R200_PS_LIN_ATT_ZERO | R200_PS_SE_SEL_STATE);
728 /* can't rely on ctx->Point._Attenuated here and test for NEW_POINT in
729 r200ValidateState looks like overkill */
730 if (ctx->Point.Params[0] != 1.0 ||
731 ctx->Point.Params[1] != 0.0 ||
732 ctx->Point.Params[2] != 0.0 ||
733 (ctx->VertexProgram.Enabled && ctx->VertexProgram.PointSizeEnabled)) {
734 /* all we care for vp would be the ps_se_sel_state setting */
735 fcmd[PTP_ATT_CONST_QUAD] = ctx->Point.Params[2];
736 fcmd[PTP_ATT_CONST_LIN] = ctx->Point.Params[1];
737 fcmd[PTP_ATT_CONST_CON] = ctx->Point.Params[0];
738 rmesa->hw.spr.cmd[SPR_POINT_SPRITE_CNTL] |= R200_PS_MULT_ATTENCONST;
739 if (ctx->Point.Params[1] == 0.0)
740 rmesa->hw.spr.cmd[SPR_POINT_SPRITE_CNTL] |= R200_PS_LIN_ATT_ZERO;
741 /* FIXME: setting this here doesn't look quite ok - we only want to do
742 that if we're actually drawing points probably */
743 rmesa->hw.vtx.cmd[VTX_TCL_OUTPUT_COMPSEL] |= R200_OUTPUT_PT_SIZE;
744 rmesa->hw.vtx.cmd[VTX_TCL_OUTPUT_VTXFMT_0] |= R200_VTX_POINT_SIZE;
745 }
746 else {
747 rmesa->hw.spr.cmd[SPR_POINT_SPRITE_CNTL] |=
748 R200_PS_SE_SEL_STATE | R200_PS_MULT_CONST;
749 rmesa->hw.vtx.cmd[VTX_TCL_OUTPUT_COMPSEL] &= ~R200_OUTPUT_PT_SIZE;
750 rmesa->hw.vtx.cmd[VTX_TCL_OUTPUT_VTXFMT_0] &= ~R200_VTX_POINT_SIZE;
751 }
752 break;
753 case GL_POINT_FADE_THRESHOLD_SIZE:
754 /* don't support multisampling, so doesn't matter. */
755 break;
756 /* can't do these but don't need them.
757 case GL_POINT_SPRITE_R_MODE_NV:
758 case GL_POINT_SPRITE_COORD_ORIGIN: */
759 default:
760 fprintf(stderr, "bad pname parameter in r200PointParameter\n");
761 return;
762 }
763 }
764
765 /* =============================================================
766 * Line state
767 */
768 static void r200LineWidth( GLcontext *ctx, GLfloat widthf )
769 {
770 r200ContextPtr rmesa = R200_CONTEXT(ctx);
771
772 R200_STATECHANGE( rmesa, lin );
773 R200_STATECHANGE( rmesa, set );
774
775 /* Line width is stored in U6.4 format.
776 */
777 rmesa->hw.lin.cmd[LIN_SE_LINE_WIDTH] &= ~0xffff;
778 rmesa->hw.lin.cmd[LIN_SE_LINE_WIDTH] |= (GLuint)(ctx->Line._Width * 16.0);
779
780 if ( widthf > 1.0 ) {
781 rmesa->hw.set.cmd[SET_SE_CNTL] |= R200_WIDELINE_ENABLE;
782 } else {
783 rmesa->hw.set.cmd[SET_SE_CNTL] &= ~R200_WIDELINE_ENABLE;
784 }
785 }
786
787 static void r200LineStipple( GLcontext *ctx, GLint factor, GLushort pattern )
788 {
789 r200ContextPtr rmesa = R200_CONTEXT(ctx);
790
791 R200_STATECHANGE( rmesa, lin );
792 rmesa->hw.lin.cmd[LIN_RE_LINE_PATTERN] =
793 ((((GLuint)factor & 0xff) << 16) | ((GLuint)pattern));
794 }
795
796
797 /* =============================================================
798 * Masks
799 */
800 static void r200ColorMask( GLcontext *ctx,
801 GLboolean r, GLboolean g,
802 GLboolean b, GLboolean a )
803 {
804 r200ContextPtr rmesa = R200_CONTEXT(ctx);
805 GLuint mask = r200PackColor( rmesa->r200Screen->cpp,
806 ctx->Color.ColorMask[RCOMP],
807 ctx->Color.ColorMask[GCOMP],
808 ctx->Color.ColorMask[BCOMP],
809 ctx->Color.ColorMask[ACOMP] );
810
811 GLuint flag = rmesa->hw.ctx.cmd[CTX_RB3D_CNTL] & ~R200_PLANE_MASK_ENABLE;
812
813 if (!(r && g && b && a))
814 flag |= R200_PLANE_MASK_ENABLE;
815
816 if ( rmesa->hw.ctx.cmd[CTX_RB3D_CNTL] != flag ) {
817 R200_STATECHANGE( rmesa, ctx );
818 rmesa->hw.ctx.cmd[CTX_RB3D_CNTL] = flag;
819 }
820
821 if ( rmesa->hw.msk.cmd[MSK_RB3D_PLANEMASK] != mask ) {
822 R200_STATECHANGE( rmesa, msk );
823 rmesa->hw.msk.cmd[MSK_RB3D_PLANEMASK] = mask;
824 }
825 }
826
827
828 /* =============================================================
829 * Polygon state
830 */
831
832 static void r200PolygonOffset( GLcontext *ctx,
833 GLfloat factor, GLfloat units )
834 {
835 r200ContextPtr rmesa = R200_CONTEXT(ctx);
836 float_ui32_type constant = { units * rmesa->state.depth.scale };
837 float_ui32_type factoru = { factor };
838
839 /* factor *= 2; */
840 /* constant *= 2; */
841
842 /* fprintf(stderr, "%s f:%f u:%f\n", __FUNCTION__, factor, constant); */
843
844 R200_STATECHANGE( rmesa, zbs );
845 rmesa->hw.zbs.cmd[ZBS_SE_ZBIAS_FACTOR] = factoru.ui32;
846 rmesa->hw.zbs.cmd[ZBS_SE_ZBIAS_CONSTANT] = constant.ui32;
847 }
848
849 static void r200PolygonStipple( GLcontext *ctx, const GLubyte *mask )
850 {
851 r200ContextPtr rmesa = R200_CONTEXT(ctx);
852 GLuint i;
853 drm_radeon_stipple_t stipple;
854
855 /* Must flip pattern upside down.
856 */
857 for ( i = 0 ; i < 32 ; i++ ) {
858 rmesa->state.stipple.mask[31 - i] = ((GLuint *) mask)[i];
859 }
860
861 /* TODO: push this into cmd mechanism
862 */
863 R200_FIREVERTICES( rmesa );
864 LOCK_HARDWARE( rmesa );
865
866 /* FIXME: Use window x,y offsets into stipple RAM.
867 */
868 stipple.mask = rmesa->state.stipple.mask;
869 drmCommandWrite( rmesa->dri.fd, DRM_RADEON_STIPPLE,
870 &stipple, sizeof(stipple) );
871 UNLOCK_HARDWARE( rmesa );
872 }
873
874 static void r200PolygonMode( GLcontext *ctx, GLenum face, GLenum mode )
875 {
876 r200ContextPtr rmesa = R200_CONTEXT(ctx);
877 GLboolean flag = (ctx->_TriangleCaps & DD_TRI_UNFILLED) != 0;
878
879 /* Can't generally do unfilled via tcl, but some good special
880 * cases work.
881 */
882 TCL_FALLBACK( ctx, R200_TCL_FALLBACK_UNFILLED, flag);
883 if (rmesa->TclFallback) {
884 r200ChooseRenderState( ctx );
885 r200ChooseVertexState( ctx );
886 }
887 }
888
889
890 /* =============================================================
891 * Rendering attributes
892 *
893 * We really don't want to recalculate all this every time we bind a
894 * texture. These things shouldn't change all that often, so it makes
895 * sense to break them out of the core texture state update routines.
896 */
897
898 /* Examine lighting and texture state to determine if separate specular
899 * should be enabled.
900 */
901 static void r200UpdateSpecular( GLcontext *ctx )
902 {
903 r200ContextPtr rmesa = R200_CONTEXT(ctx);
904 u_int32_t p = rmesa->hw.ctx.cmd[CTX_PP_CNTL];
905
906 R200_STATECHANGE( rmesa, tcl );
907 R200_STATECHANGE( rmesa, vtx );
908
909 rmesa->hw.vtx.cmd[VTX_TCL_OUTPUT_VTXFMT_0] &= ~(3<<R200_VTX_COLOR_0_SHIFT);
910 rmesa->hw.vtx.cmd[VTX_TCL_OUTPUT_VTXFMT_0] &= ~(3<<R200_VTX_COLOR_1_SHIFT);
911 rmesa->hw.vtx.cmd[VTX_TCL_OUTPUT_COMPSEL] &= ~R200_OUTPUT_COLOR_0;
912 rmesa->hw.vtx.cmd[VTX_TCL_OUTPUT_COMPSEL] &= ~R200_OUTPUT_COLOR_1;
913 rmesa->hw.tcl.cmd[TCL_LIGHT_MODEL_CTL_0] &= ~R200_LIGHTING_ENABLE;
914
915 p &= ~R200_SPECULAR_ENABLE;
916
917 rmesa->hw.tcl.cmd[TCL_LIGHT_MODEL_CTL_0] |= R200_DIFFUSE_SPECULAR_COMBINE;
918
919
920 if (ctx->Light.Enabled &&
921 ctx->Light.Model.ColorControl == GL_SEPARATE_SPECULAR_COLOR) {
922 rmesa->hw.vtx.cmd[VTX_TCL_OUTPUT_VTXFMT_0] |=
923 ((R200_VTX_FP_RGBA << R200_VTX_COLOR_0_SHIFT) |
924 (R200_VTX_FP_RGBA << R200_VTX_COLOR_1_SHIFT));
925 rmesa->hw.vtx.cmd[VTX_TCL_OUTPUT_COMPSEL] |= R200_OUTPUT_COLOR_0;
926 rmesa->hw.vtx.cmd[VTX_TCL_OUTPUT_COMPSEL] |= R200_OUTPUT_COLOR_1;
927 rmesa->hw.tcl.cmd[TCL_LIGHT_MODEL_CTL_0] |= R200_LIGHTING_ENABLE;
928 p |= R200_SPECULAR_ENABLE;
929 rmesa->hw.tcl.cmd[TCL_LIGHT_MODEL_CTL_0] &=
930 ~R200_DIFFUSE_SPECULAR_COMBINE;
931 }
932 else if (ctx->Light.Enabled) {
933 rmesa->hw.vtx.cmd[VTX_TCL_OUTPUT_VTXFMT_0] |=
934 ((R200_VTX_FP_RGBA << R200_VTX_COLOR_0_SHIFT));
935 rmesa->hw.vtx.cmd[VTX_TCL_OUTPUT_COMPSEL] |= R200_OUTPUT_COLOR_0;
936 rmesa->hw.tcl.cmd[TCL_LIGHT_MODEL_CTL_0] |= R200_LIGHTING_ENABLE;
937 } else if (ctx->Fog.ColorSumEnabled ) {
938 rmesa->hw.vtx.cmd[VTX_TCL_OUTPUT_VTXFMT_0] |=
939 ((R200_VTX_FP_RGBA << R200_VTX_COLOR_0_SHIFT) |
940 (R200_VTX_FP_RGBA << R200_VTX_COLOR_1_SHIFT));
941 p |= R200_SPECULAR_ENABLE;
942 } else {
943 rmesa->hw.vtx.cmd[VTX_TCL_OUTPUT_VTXFMT_0] |=
944 ((R200_VTX_FP_RGBA << R200_VTX_COLOR_0_SHIFT));
945 }
946
947 if (ctx->Fog.Enabled) {
948 rmesa->hw.vtx.cmd[VTX_TCL_OUTPUT_VTXFMT_0] |=
949 ((R200_VTX_FP_RGBA << R200_VTX_COLOR_1_SHIFT));
950 rmesa->hw.vtx.cmd[VTX_TCL_OUTPUT_COMPSEL] |= R200_OUTPUT_COLOR_1;
951 }
952
953 if ( rmesa->hw.ctx.cmd[CTX_PP_CNTL] != p ) {
954 R200_STATECHANGE( rmesa, ctx );
955 rmesa->hw.ctx.cmd[CTX_PP_CNTL] = p;
956 }
957
958 /* Update vertex/render formats
959 */
960 if (rmesa->TclFallback) {
961 r200ChooseRenderState( ctx );
962 r200ChooseVertexState( ctx );
963 }
964 }
965
966
967 /* =============================================================
968 * Materials
969 */
970
971
972 /* Update on colormaterial, material emmissive/ambient,
973 * lightmodel.globalambient
974 */
975 static void update_global_ambient( GLcontext *ctx )
976 {
977 r200ContextPtr rmesa = R200_CONTEXT(ctx);
978 float *fcmd = (float *)R200_DB_STATE( glt );
979
980 /* Need to do more if both emmissive & ambient are PREMULT:
981 * I believe this is not nessary when using source_material. This condition thus
982 * will never happen currently, and the function has no dependencies on materials now
983 */
984 if ((rmesa->hw.tcl.cmd[TCL_LIGHT_MODEL_CTL_1] &
985 ((3 << R200_FRONT_EMISSIVE_SOURCE_SHIFT) |
986 (3 << R200_FRONT_AMBIENT_SOURCE_SHIFT))) == 0)
987 {
988 COPY_3V( &fcmd[GLT_RED],
989 ctx->Light.Material.Attrib[MAT_ATTRIB_FRONT_EMISSION]);
990 ACC_SCALE_3V( &fcmd[GLT_RED],
991 ctx->Light.Model.Ambient,
992 ctx->Light.Material.Attrib[MAT_ATTRIB_FRONT_AMBIENT]);
993 }
994 else
995 {
996 COPY_3V( &fcmd[GLT_RED], ctx->Light.Model.Ambient );
997 }
998
999 R200_DB_STATECHANGE(rmesa, &rmesa->hw.glt);
1000 }
1001
1002 /* Update on change to
1003 * - light[p].colors
1004 * - light[p].enabled
1005 */
1006 static void update_light_colors( GLcontext *ctx, GLuint p )
1007 {
1008 struct gl_light *l = &ctx->Light.Light[p];
1009
1010 /* fprintf(stderr, "%s\n", __FUNCTION__); */
1011
1012 if (l->Enabled) {
1013 r200ContextPtr rmesa = R200_CONTEXT(ctx);
1014 float *fcmd = (float *)R200_DB_STATE( lit[p] );
1015
1016 COPY_4V( &fcmd[LIT_AMBIENT_RED], l->Ambient );
1017 COPY_4V( &fcmd[LIT_DIFFUSE_RED], l->Diffuse );
1018 COPY_4V( &fcmd[LIT_SPECULAR_RED], l->Specular );
1019
1020 R200_DB_STATECHANGE( rmesa, &rmesa->hw.lit[p] );
1021 }
1022 }
1023
1024 static void r200ColorMaterial( GLcontext *ctx, GLenum face, GLenum mode )
1025 {
1026 r200ContextPtr rmesa = R200_CONTEXT(ctx);
1027 GLuint light_model_ctl1 = rmesa->hw.tcl.cmd[TCL_LIGHT_MODEL_CTL_1];
1028 light_model_ctl1 &= ~((0xf << R200_FRONT_EMISSIVE_SOURCE_SHIFT) |
1029 (0xf << R200_FRONT_AMBIENT_SOURCE_SHIFT) |
1030 (0xf << R200_FRONT_DIFFUSE_SOURCE_SHIFT) |
1031 (0xf << R200_FRONT_SPECULAR_SOURCE_SHIFT) |
1032 (0xf << R200_BACK_EMISSIVE_SOURCE_SHIFT) |
1033 (0xf << R200_BACK_AMBIENT_SOURCE_SHIFT) |
1034 (0xf << R200_BACK_DIFFUSE_SOURCE_SHIFT) |
1035 (0xf << R200_BACK_SPECULAR_SOURCE_SHIFT));
1036
1037 if (ctx->Light.ColorMaterialEnabled) {
1038 GLuint mask = ctx->Light.ColorMaterialBitmask;
1039
1040 if (mask & MAT_BIT_FRONT_EMISSION) {
1041 light_model_ctl1 |= (R200_LM1_SOURCE_VERTEX_COLOR_0 <<
1042 R200_FRONT_EMISSIVE_SOURCE_SHIFT);
1043 }
1044 else
1045 light_model_ctl1 |= (R200_LM1_SOURCE_MATERIAL_0 <<
1046 R200_FRONT_EMISSIVE_SOURCE_SHIFT);
1047
1048 if (mask & MAT_BIT_FRONT_AMBIENT) {
1049 light_model_ctl1 |= (R200_LM1_SOURCE_VERTEX_COLOR_0 <<
1050 R200_FRONT_AMBIENT_SOURCE_SHIFT);
1051 }
1052 else
1053 light_model_ctl1 |= (R200_LM1_SOURCE_MATERIAL_0 <<
1054 R200_FRONT_AMBIENT_SOURCE_SHIFT);
1055
1056 if (mask & MAT_BIT_FRONT_DIFFUSE) {
1057 light_model_ctl1 |= (R200_LM1_SOURCE_VERTEX_COLOR_0 <<
1058 R200_FRONT_DIFFUSE_SOURCE_SHIFT);
1059 }
1060 else
1061 light_model_ctl1 |= (R200_LM1_SOURCE_MATERIAL_0 <<
1062 R200_FRONT_DIFFUSE_SOURCE_SHIFT);
1063
1064 if (mask & MAT_BIT_FRONT_SPECULAR) {
1065 light_model_ctl1 |= (R200_LM1_SOURCE_VERTEX_COLOR_0 <<
1066 R200_FRONT_SPECULAR_SOURCE_SHIFT);
1067 }
1068 else {
1069 light_model_ctl1 |= (R200_LM1_SOURCE_MATERIAL_0 <<
1070 R200_FRONT_SPECULAR_SOURCE_SHIFT);
1071 }
1072
1073 if (mask & MAT_BIT_BACK_EMISSION) {
1074 light_model_ctl1 |= (R200_LM1_SOURCE_VERTEX_COLOR_0 <<
1075 R200_BACK_EMISSIVE_SOURCE_SHIFT);
1076 }
1077
1078 else light_model_ctl1 |= (R200_LM1_SOURCE_MATERIAL_1 <<
1079 R200_BACK_EMISSIVE_SOURCE_SHIFT);
1080
1081 if (mask & MAT_BIT_BACK_AMBIENT) {
1082 light_model_ctl1 |= (R200_LM1_SOURCE_VERTEX_COLOR_0 <<
1083 R200_BACK_AMBIENT_SOURCE_SHIFT);
1084 }
1085 else light_model_ctl1 |= (R200_LM1_SOURCE_MATERIAL_1 <<
1086 R200_BACK_AMBIENT_SOURCE_SHIFT);
1087
1088 if (mask & MAT_BIT_BACK_DIFFUSE) {
1089 light_model_ctl1 |= (R200_LM1_SOURCE_VERTEX_COLOR_0 <<
1090 R200_BACK_DIFFUSE_SOURCE_SHIFT);
1091 }
1092 else light_model_ctl1 |= (R200_LM1_SOURCE_MATERIAL_1 <<
1093 R200_BACK_DIFFUSE_SOURCE_SHIFT);
1094
1095 if (mask & MAT_BIT_BACK_SPECULAR) {
1096 light_model_ctl1 |= (R200_LM1_SOURCE_VERTEX_COLOR_0 <<
1097 R200_BACK_SPECULAR_SOURCE_SHIFT);
1098 }
1099 else {
1100 light_model_ctl1 |= (R200_LM1_SOURCE_MATERIAL_1 <<
1101 R200_BACK_SPECULAR_SOURCE_SHIFT);
1102 }
1103 }
1104 else {
1105 /* Default to SOURCE_MATERIAL:
1106 */
1107 light_model_ctl1 |=
1108 (R200_LM1_SOURCE_MATERIAL_0 << R200_FRONT_EMISSIVE_SOURCE_SHIFT) |
1109 (R200_LM1_SOURCE_MATERIAL_0 << R200_FRONT_AMBIENT_SOURCE_SHIFT) |
1110 (R200_LM1_SOURCE_MATERIAL_0 << R200_FRONT_DIFFUSE_SOURCE_SHIFT) |
1111 (R200_LM1_SOURCE_MATERIAL_0 << R200_FRONT_SPECULAR_SOURCE_SHIFT) |
1112 (R200_LM1_SOURCE_MATERIAL_1 << R200_BACK_EMISSIVE_SOURCE_SHIFT) |
1113 (R200_LM1_SOURCE_MATERIAL_1 << R200_BACK_AMBIENT_SOURCE_SHIFT) |
1114 (R200_LM1_SOURCE_MATERIAL_1 << R200_BACK_DIFFUSE_SOURCE_SHIFT) |
1115 (R200_LM1_SOURCE_MATERIAL_1 << R200_BACK_SPECULAR_SOURCE_SHIFT);
1116 }
1117
1118 if (light_model_ctl1 != rmesa->hw.tcl.cmd[TCL_LIGHT_MODEL_CTL_1]) {
1119 R200_STATECHANGE( rmesa, tcl );
1120 rmesa->hw.tcl.cmd[TCL_LIGHT_MODEL_CTL_1] = light_model_ctl1;
1121 }
1122
1123
1124 }
1125
1126 void r200UpdateMaterial( GLcontext *ctx )
1127 {
1128 r200ContextPtr rmesa = R200_CONTEXT(ctx);
1129 GLfloat (*mat)[4] = ctx->Light.Material.Attrib;
1130 GLfloat *fcmd = (GLfloat *)R200_DB_STATE( mtl[0] );
1131 GLfloat *fcmd2 = (GLfloat *)R200_DB_STATE( mtl[1] );
1132 GLuint mask = ~0;
1133
1134 /* Might be possible and faster to update everything unconditionally? */
1135 if (ctx->Light.ColorMaterialEnabled)
1136 mask &= ~ctx->Light.ColorMaterialBitmask;
1137
1138 if (R200_DEBUG & DEBUG_STATE)
1139 fprintf(stderr, "%s\n", __FUNCTION__);
1140
1141 if (mask & MAT_BIT_FRONT_EMISSION) {
1142 fcmd[MTL_EMMISSIVE_RED] = mat[MAT_ATTRIB_FRONT_EMISSION][0];
1143 fcmd[MTL_EMMISSIVE_GREEN] = mat[MAT_ATTRIB_FRONT_EMISSION][1];
1144 fcmd[MTL_EMMISSIVE_BLUE] = mat[MAT_ATTRIB_FRONT_EMISSION][2];
1145 fcmd[MTL_EMMISSIVE_ALPHA] = mat[MAT_ATTRIB_FRONT_EMISSION][3];
1146 }
1147 if (mask & MAT_BIT_FRONT_AMBIENT) {
1148 fcmd[MTL_AMBIENT_RED] = mat[MAT_ATTRIB_FRONT_AMBIENT][0];
1149 fcmd[MTL_AMBIENT_GREEN] = mat[MAT_ATTRIB_FRONT_AMBIENT][1];
1150 fcmd[MTL_AMBIENT_BLUE] = mat[MAT_ATTRIB_FRONT_AMBIENT][2];
1151 fcmd[MTL_AMBIENT_ALPHA] = mat[MAT_ATTRIB_FRONT_AMBIENT][3];
1152 }
1153 if (mask & MAT_BIT_FRONT_DIFFUSE) {
1154 fcmd[MTL_DIFFUSE_RED] = mat[MAT_ATTRIB_FRONT_DIFFUSE][0];
1155 fcmd[MTL_DIFFUSE_GREEN] = mat[MAT_ATTRIB_FRONT_DIFFUSE][1];
1156 fcmd[MTL_DIFFUSE_BLUE] = mat[MAT_ATTRIB_FRONT_DIFFUSE][2];
1157 fcmd[MTL_DIFFUSE_ALPHA] = mat[MAT_ATTRIB_FRONT_DIFFUSE][3];
1158 }
1159 if (mask & MAT_BIT_FRONT_SPECULAR) {
1160 fcmd[MTL_SPECULAR_RED] = mat[MAT_ATTRIB_FRONT_SPECULAR][0];
1161 fcmd[MTL_SPECULAR_GREEN] = mat[MAT_ATTRIB_FRONT_SPECULAR][1];
1162 fcmd[MTL_SPECULAR_BLUE] = mat[MAT_ATTRIB_FRONT_SPECULAR][2];
1163 fcmd[MTL_SPECULAR_ALPHA] = mat[MAT_ATTRIB_FRONT_SPECULAR][3];
1164 }
1165 if (mask & MAT_BIT_FRONT_SHININESS) {
1166 fcmd[MTL_SHININESS] = mat[MAT_ATTRIB_FRONT_SHININESS][0];
1167 }
1168
1169 if (mask & MAT_BIT_BACK_EMISSION) {
1170 fcmd2[MTL_EMMISSIVE_RED] = mat[MAT_ATTRIB_BACK_EMISSION][0];
1171 fcmd2[MTL_EMMISSIVE_GREEN] = mat[MAT_ATTRIB_BACK_EMISSION][1];
1172 fcmd2[MTL_EMMISSIVE_BLUE] = mat[MAT_ATTRIB_BACK_EMISSION][2];
1173 fcmd2[MTL_EMMISSIVE_ALPHA] = mat[MAT_ATTRIB_BACK_EMISSION][3];
1174 }
1175 if (mask & MAT_BIT_BACK_AMBIENT) {
1176 fcmd2[MTL_AMBIENT_RED] = mat[MAT_ATTRIB_BACK_AMBIENT][0];
1177 fcmd2[MTL_AMBIENT_GREEN] = mat[MAT_ATTRIB_BACK_AMBIENT][1];
1178 fcmd2[MTL_AMBIENT_BLUE] = mat[MAT_ATTRIB_BACK_AMBIENT][2];
1179 fcmd2[MTL_AMBIENT_ALPHA] = mat[MAT_ATTRIB_BACK_AMBIENT][3];
1180 }
1181 if (mask & MAT_BIT_BACK_DIFFUSE) {
1182 fcmd2[MTL_DIFFUSE_RED] = mat[MAT_ATTRIB_BACK_DIFFUSE][0];
1183 fcmd2[MTL_DIFFUSE_GREEN] = mat[MAT_ATTRIB_BACK_DIFFUSE][1];
1184 fcmd2[MTL_DIFFUSE_BLUE] = mat[MAT_ATTRIB_BACK_DIFFUSE][2];
1185 fcmd2[MTL_DIFFUSE_ALPHA] = mat[MAT_ATTRIB_BACK_DIFFUSE][3];
1186 }
1187 if (mask & MAT_BIT_BACK_SPECULAR) {
1188 fcmd2[MTL_SPECULAR_RED] = mat[MAT_ATTRIB_BACK_SPECULAR][0];
1189 fcmd2[MTL_SPECULAR_GREEN] = mat[MAT_ATTRIB_BACK_SPECULAR][1];
1190 fcmd2[MTL_SPECULAR_BLUE] = mat[MAT_ATTRIB_BACK_SPECULAR][2];
1191 fcmd2[MTL_SPECULAR_ALPHA] = mat[MAT_ATTRIB_BACK_SPECULAR][3];
1192 }
1193 if (mask & MAT_BIT_BACK_SHININESS) {
1194 fcmd2[MTL_SHININESS] = mat[MAT_ATTRIB_BACK_SHININESS][0];
1195 }
1196
1197 R200_DB_STATECHANGE( rmesa, &rmesa->hw.mtl[0] );
1198 R200_DB_STATECHANGE( rmesa, &rmesa->hw.mtl[1] );
1199
1200 /* currently material changes cannot trigger a global ambient change, I believe this is correct
1201 update_global_ambient( ctx ); */
1202 }
1203
1204 /* _NEW_LIGHT
1205 * _NEW_MODELVIEW
1206 * _MESA_NEW_NEED_EYE_COORDS
1207 *
1208 * Uses derived state from mesa:
1209 * _VP_inf_norm
1210 * _h_inf_norm
1211 * _Position
1212 * _NormDirection
1213 * _ModelViewInvScale
1214 * _NeedEyeCoords
1215 * _EyeZDir
1216 *
1217 * which are calculated in light.c and are correct for the current
1218 * lighting space (model or eye), hence dependencies on _NEW_MODELVIEW
1219 * and _MESA_NEW_NEED_EYE_COORDS.
1220 */
1221 static void update_light( GLcontext *ctx )
1222 {
1223 r200ContextPtr rmesa = R200_CONTEXT(ctx);
1224
1225 /* Have to check these, or have an automatic shortcircuit mechanism
1226 * to remove noop statechanges. (Or just do a better job on the
1227 * front end).
1228 */
1229 {
1230 GLuint tmp = rmesa->hw.tcl.cmd[TCL_LIGHT_MODEL_CTL_0];
1231
1232 if (ctx->_NeedEyeCoords)
1233 tmp &= ~R200_LIGHT_IN_MODELSPACE;
1234 else
1235 tmp |= R200_LIGHT_IN_MODELSPACE;
1236
1237 if (tmp != rmesa->hw.tcl.cmd[TCL_LIGHT_MODEL_CTL_0])
1238 {
1239 R200_STATECHANGE( rmesa, tcl );
1240 rmesa->hw.tcl.cmd[TCL_LIGHT_MODEL_CTL_0] = tmp;
1241 }
1242 }
1243
1244 {
1245 GLfloat *fcmd = (GLfloat *)R200_DB_STATE( eye );
1246 fcmd[EYE_X] = ctx->_EyeZDir[0];
1247 fcmd[EYE_Y] = ctx->_EyeZDir[1];
1248 fcmd[EYE_Z] = - ctx->_EyeZDir[2];
1249 fcmd[EYE_RESCALE_FACTOR] = ctx->_ModelViewInvScale;
1250 R200_DB_STATECHANGE( rmesa, &rmesa->hw.eye );
1251 }
1252
1253
1254
1255 if (ctx->Light.Enabled) {
1256 GLint p;
1257 for (p = 0 ; p < MAX_LIGHTS; p++) {
1258 if (ctx->Light.Light[p].Enabled) {
1259 struct gl_light *l = &ctx->Light.Light[p];
1260 GLfloat *fcmd = (GLfloat *)R200_DB_STATE( lit[p] );
1261
1262 if (l->EyePosition[3] == 0.0) {
1263 COPY_3FV( &fcmd[LIT_POSITION_X], l->_VP_inf_norm );
1264 COPY_3FV( &fcmd[LIT_DIRECTION_X], l->_h_inf_norm );
1265 fcmd[LIT_POSITION_W] = 0;
1266 fcmd[LIT_DIRECTION_W] = 0;
1267 } else {
1268 COPY_4V( &fcmd[LIT_POSITION_X], l->_Position );
1269 fcmd[LIT_DIRECTION_X] = -l->_NormDirection[0];
1270 fcmd[LIT_DIRECTION_Y] = -l->_NormDirection[1];
1271 fcmd[LIT_DIRECTION_Z] = -l->_NormDirection[2];
1272 fcmd[LIT_DIRECTION_W] = 0;
1273 }
1274
1275 R200_DB_STATECHANGE( rmesa, &rmesa->hw.lit[p] );
1276 }
1277 }
1278 }
1279 }
1280
1281 static void r200Lightfv( GLcontext *ctx, GLenum light,
1282 GLenum pname, const GLfloat *params )
1283 {
1284 r200ContextPtr rmesa = R200_CONTEXT(ctx);
1285 GLint p = light - GL_LIGHT0;
1286 struct gl_light *l = &ctx->Light.Light[p];
1287 GLfloat *fcmd = (GLfloat *)rmesa->hw.lit[p].cmd;
1288
1289
1290 switch (pname) {
1291 case GL_AMBIENT:
1292 case GL_DIFFUSE:
1293 case GL_SPECULAR:
1294 update_light_colors( ctx, p );
1295 break;
1296
1297 case GL_SPOT_DIRECTION:
1298 /* picked up in update_light */
1299 break;
1300
1301 case GL_POSITION: {
1302 /* positions picked up in update_light, but can do flag here */
1303 GLuint flag = (p&1)? R200_LIGHT_1_IS_LOCAL : R200_LIGHT_0_IS_LOCAL;
1304 GLuint idx = TCL_PER_LIGHT_CTL_0 + p/2;
1305
1306 R200_STATECHANGE(rmesa, tcl);
1307 if (l->EyePosition[3] != 0.0F)
1308 rmesa->hw.tcl.cmd[idx] |= flag;
1309 else
1310 rmesa->hw.tcl.cmd[idx] &= ~flag;
1311 break;
1312 }
1313
1314 case GL_SPOT_EXPONENT:
1315 R200_STATECHANGE(rmesa, lit[p]);
1316 fcmd[LIT_SPOT_EXPONENT] = params[0];
1317 break;
1318
1319 case GL_SPOT_CUTOFF: {
1320 GLuint flag = (p&1) ? R200_LIGHT_1_IS_SPOT : R200_LIGHT_0_IS_SPOT;
1321 GLuint idx = TCL_PER_LIGHT_CTL_0 + p/2;
1322
1323 R200_STATECHANGE(rmesa, lit[p]);
1324 fcmd[LIT_SPOT_CUTOFF] = l->_CosCutoff;
1325
1326 R200_STATECHANGE(rmesa, tcl);
1327 if (l->SpotCutoff != 180.0F)
1328 rmesa->hw.tcl.cmd[idx] |= flag;
1329 else
1330 rmesa->hw.tcl.cmd[idx] &= ~flag;
1331
1332 break;
1333 }
1334
1335 case GL_CONSTANT_ATTENUATION:
1336 R200_STATECHANGE(rmesa, lit[p]);
1337 fcmd[LIT_ATTEN_CONST] = params[0];
1338 if ( params[0] == 0.0 )
1339 fcmd[LIT_ATTEN_CONST_INV] = FLT_MAX;
1340 else
1341 fcmd[LIT_ATTEN_CONST_INV] = 1.0 / params[0];
1342 break;
1343 case GL_LINEAR_ATTENUATION:
1344 R200_STATECHANGE(rmesa, lit[p]);
1345 fcmd[LIT_ATTEN_LINEAR] = params[0];
1346 break;
1347 case GL_QUADRATIC_ATTENUATION:
1348 R200_STATECHANGE(rmesa, lit[p]);
1349 fcmd[LIT_ATTEN_QUADRATIC] = params[0];
1350 break;
1351 default:
1352 return;
1353 }
1354
1355 /* Set RANGE_ATTEN only when needed */
1356 switch (pname) {
1357 case GL_POSITION:
1358 case GL_CONSTANT_ATTENUATION:
1359 case GL_LINEAR_ATTENUATION:
1360 case GL_QUADRATIC_ATTENUATION: {
1361 GLuint *icmd = (GLuint *)R200_DB_STATE( tcl );
1362 GLuint idx = TCL_PER_LIGHT_CTL_0 + p/2;
1363 GLuint atten_flag = ( p&1 ) ? R200_LIGHT_1_ENABLE_RANGE_ATTEN
1364 : R200_LIGHT_0_ENABLE_RANGE_ATTEN;
1365 GLuint atten_const_flag = ( p&1 ) ? R200_LIGHT_1_CONSTANT_RANGE_ATTEN
1366 : R200_LIGHT_0_CONSTANT_RANGE_ATTEN;
1367
1368 if ( l->EyePosition[3] == 0.0F ||
1369 ( ( fcmd[LIT_ATTEN_CONST] == 0.0 || fcmd[LIT_ATTEN_CONST] == 1.0 ) &&
1370 fcmd[LIT_ATTEN_QUADRATIC] == 0.0 && fcmd[LIT_ATTEN_LINEAR] == 0.0 ) ) {
1371 /* Disable attenuation */
1372 icmd[idx] &= ~atten_flag;
1373 } else {
1374 if ( fcmd[LIT_ATTEN_QUADRATIC] == 0.0 && fcmd[LIT_ATTEN_LINEAR] == 0.0 ) {
1375 /* Enable only constant portion of attenuation calculation */
1376 icmd[idx] |= ( atten_flag | atten_const_flag );
1377 } else {
1378 /* Enable full attenuation calculation */
1379 icmd[idx] &= ~atten_const_flag;
1380 icmd[idx] |= atten_flag;
1381 }
1382 }
1383
1384 R200_DB_STATECHANGE( rmesa, &rmesa->hw.tcl );
1385 break;
1386 }
1387 default:
1388 break;
1389 }
1390 }
1391
1392 static void r200UpdateLocalViewer ( GLcontext *ctx )
1393 {
1394 /* It looks like for the texgen modes GL_SPHERE_MAP, GL_NORMAL_MAP and
1395 GL_REFLECTION_MAP we need R200_LOCAL_VIEWER set (fglrx does exactly that
1396 for these and only these modes). This means specular highlights may turn out
1397 wrong in some cases when lighting is enabled but GL_LIGHT_MODEL_LOCAL_VIEWER
1398 is not set, though it seems to happen rarely and the effect seems quite
1399 subtle. May need TCL fallback to fix it completely, though I'm not sure
1400 how you'd identify the cases where the specular highlights indeed will
1401 be wrong. Don't know if fglrx does something special in that case.
1402 */
1403 r200ContextPtr rmesa = R200_CONTEXT(ctx);
1404 R200_STATECHANGE( rmesa, tcl );
1405 if (ctx->Light.Model.LocalViewer ||
1406 ctx->Texture._GenFlags & TEXGEN_NEED_NORMALS)
1407 rmesa->hw.tcl.cmd[TCL_LIGHT_MODEL_CTL_0] |= R200_LOCAL_VIEWER;
1408 else
1409 rmesa->hw.tcl.cmd[TCL_LIGHT_MODEL_CTL_0] &= ~R200_LOCAL_VIEWER;
1410 }
1411
1412 static void r200LightModelfv( GLcontext *ctx, GLenum pname,
1413 const GLfloat *param )
1414 {
1415 r200ContextPtr rmesa = R200_CONTEXT(ctx);
1416
1417 switch (pname) {
1418 case GL_LIGHT_MODEL_AMBIENT:
1419 update_global_ambient( ctx );
1420 break;
1421
1422 case GL_LIGHT_MODEL_LOCAL_VIEWER:
1423 r200UpdateLocalViewer( ctx );
1424 break;
1425
1426 case GL_LIGHT_MODEL_TWO_SIDE:
1427 R200_STATECHANGE( rmesa, tcl );
1428 if (ctx->Light.Model.TwoSide)
1429 rmesa->hw.tcl.cmd[TCL_LIGHT_MODEL_CTL_0] |= R200_LIGHT_TWOSIDE;
1430 else
1431 rmesa->hw.tcl.cmd[TCL_LIGHT_MODEL_CTL_0] &= ~(R200_LIGHT_TWOSIDE);
1432 if (rmesa->TclFallback) {
1433 r200ChooseRenderState( ctx );
1434 r200ChooseVertexState( ctx );
1435 }
1436 break;
1437
1438 case GL_LIGHT_MODEL_COLOR_CONTROL:
1439 r200UpdateSpecular(ctx);
1440 break;
1441
1442 default:
1443 break;
1444 }
1445 }
1446
1447 static void r200ShadeModel( GLcontext *ctx, GLenum mode )
1448 {
1449 r200ContextPtr rmesa = R200_CONTEXT(ctx);
1450 GLuint s = rmesa->hw.set.cmd[SET_SE_CNTL];
1451
1452 s &= ~(R200_DIFFUSE_SHADE_MASK |
1453 R200_ALPHA_SHADE_MASK |
1454 R200_SPECULAR_SHADE_MASK |
1455 R200_FOG_SHADE_MASK |
1456 R200_DISC_FOG_SHADE_MASK);
1457
1458 switch ( mode ) {
1459 case GL_FLAT:
1460 s |= (R200_DIFFUSE_SHADE_FLAT |
1461 R200_ALPHA_SHADE_FLAT |
1462 R200_SPECULAR_SHADE_FLAT |
1463 R200_FOG_SHADE_FLAT |
1464 R200_DISC_FOG_SHADE_FLAT);
1465 break;
1466 case GL_SMOOTH:
1467 s |= (R200_DIFFUSE_SHADE_GOURAUD |
1468 R200_ALPHA_SHADE_GOURAUD |
1469 R200_SPECULAR_SHADE_GOURAUD |
1470 R200_FOG_SHADE_GOURAUD |
1471 R200_DISC_FOG_SHADE_GOURAUD);
1472 break;
1473 default:
1474 return;
1475 }
1476
1477 if ( rmesa->hw.set.cmd[SET_SE_CNTL] != s ) {
1478 R200_STATECHANGE( rmesa, set );
1479 rmesa->hw.set.cmd[SET_SE_CNTL] = s;
1480 }
1481 }
1482
1483
1484 /* =============================================================
1485 * User clip planes
1486 */
1487
1488 static void r200ClipPlane( GLcontext *ctx, GLenum plane, const GLfloat *eq )
1489 {
1490 GLint p = (GLint) plane - (GLint) GL_CLIP_PLANE0;
1491 r200ContextPtr rmesa = R200_CONTEXT(ctx);
1492 GLint *ip = (GLint *)ctx->Transform._ClipUserPlane[p];
1493
1494 R200_STATECHANGE( rmesa, ucp[p] );
1495 rmesa->hw.ucp[p].cmd[UCP_X] = ip[0];
1496 rmesa->hw.ucp[p].cmd[UCP_Y] = ip[1];
1497 rmesa->hw.ucp[p].cmd[UCP_Z] = ip[2];
1498 rmesa->hw.ucp[p].cmd[UCP_W] = ip[3];
1499 }
1500
1501 static void r200UpdateClipPlanes( GLcontext *ctx )
1502 {
1503 r200ContextPtr rmesa = R200_CONTEXT(ctx);
1504 GLuint p;
1505
1506 for (p = 0; p < ctx->Const.MaxClipPlanes; p++) {
1507 if (ctx->Transform.ClipPlanesEnabled & (1 << p)) {
1508 GLint *ip = (GLint *)ctx->Transform._ClipUserPlane[p];
1509
1510 R200_STATECHANGE( rmesa, ucp[p] );
1511 rmesa->hw.ucp[p].cmd[UCP_X] = ip[0];
1512 rmesa->hw.ucp[p].cmd[UCP_Y] = ip[1];
1513 rmesa->hw.ucp[p].cmd[UCP_Z] = ip[2];
1514 rmesa->hw.ucp[p].cmd[UCP_W] = ip[3];
1515 }
1516 }
1517 }
1518
1519
1520 /* =============================================================
1521 * Stencil
1522 */
1523
1524 static void
1525 r200StencilFuncSeparate( GLcontext *ctx, GLenum face, GLenum func,
1526 GLint ref, GLuint mask )
1527 {
1528 r200ContextPtr rmesa = R200_CONTEXT(ctx);
1529 GLuint refmask = (((ctx->Stencil.Ref[0] & 0xff) << R200_STENCIL_REF_SHIFT) |
1530 ((ctx->Stencil.ValueMask[0] & 0xff) << R200_STENCIL_MASK_SHIFT));
1531
1532 R200_STATECHANGE( rmesa, ctx );
1533 R200_STATECHANGE( rmesa, msk );
1534
1535 rmesa->hw.ctx.cmd[CTX_RB3D_ZSTENCILCNTL] &= ~R200_STENCIL_TEST_MASK;
1536 rmesa->hw.msk.cmd[MSK_RB3D_STENCILREFMASK] &= ~(R200_STENCIL_REF_MASK|
1537 R200_STENCIL_VALUE_MASK);
1538
1539 switch ( ctx->Stencil.Function[0] ) {
1540 case GL_NEVER:
1541 rmesa->hw.ctx.cmd[CTX_RB3D_ZSTENCILCNTL] |= R200_STENCIL_TEST_NEVER;
1542 break;
1543 case GL_LESS:
1544 rmesa->hw.ctx.cmd[CTX_RB3D_ZSTENCILCNTL] |= R200_STENCIL_TEST_LESS;
1545 break;
1546 case GL_EQUAL:
1547 rmesa->hw.ctx.cmd[CTX_RB3D_ZSTENCILCNTL] |= R200_STENCIL_TEST_EQUAL;
1548 break;
1549 case GL_LEQUAL:
1550 rmesa->hw.ctx.cmd[CTX_RB3D_ZSTENCILCNTL] |= R200_STENCIL_TEST_LEQUAL;
1551 break;
1552 case GL_GREATER:
1553 rmesa->hw.ctx.cmd[CTX_RB3D_ZSTENCILCNTL] |= R200_STENCIL_TEST_GREATER;
1554 break;
1555 case GL_NOTEQUAL:
1556 rmesa->hw.ctx.cmd[CTX_RB3D_ZSTENCILCNTL] |= R200_STENCIL_TEST_NEQUAL;
1557 break;
1558 case GL_GEQUAL:
1559 rmesa->hw.ctx.cmd[CTX_RB3D_ZSTENCILCNTL] |= R200_STENCIL_TEST_GEQUAL;
1560 break;
1561 case GL_ALWAYS:
1562 rmesa->hw.ctx.cmd[CTX_RB3D_ZSTENCILCNTL] |= R200_STENCIL_TEST_ALWAYS;
1563 break;
1564 }
1565
1566 rmesa->hw.msk.cmd[MSK_RB3D_STENCILREFMASK] |= refmask;
1567 }
1568
1569 static void
1570 r200StencilMaskSeparate( GLcontext *ctx, GLenum face, GLuint mask )
1571 {
1572 r200ContextPtr rmesa = R200_CONTEXT(ctx);
1573
1574 R200_STATECHANGE( rmesa, msk );
1575 rmesa->hw.msk.cmd[MSK_RB3D_STENCILREFMASK] &= ~R200_STENCIL_WRITE_MASK;
1576 rmesa->hw.msk.cmd[MSK_RB3D_STENCILREFMASK] |=
1577 ((ctx->Stencil.WriteMask[0] & 0xff) << R200_STENCIL_WRITEMASK_SHIFT);
1578 }
1579
1580 static void
1581 r200StencilOpSeparate( GLcontext *ctx, GLenum face, GLenum fail,
1582 GLenum zfail, GLenum zpass )
1583 {
1584 r200ContextPtr rmesa = R200_CONTEXT(ctx);
1585
1586 R200_STATECHANGE( rmesa, ctx );
1587 rmesa->hw.ctx.cmd[CTX_RB3D_ZSTENCILCNTL] &= ~(R200_STENCIL_FAIL_MASK |
1588 R200_STENCIL_ZFAIL_MASK |
1589 R200_STENCIL_ZPASS_MASK);
1590
1591 switch ( ctx->Stencil.FailFunc[0] ) {
1592 case GL_KEEP:
1593 rmesa->hw.ctx.cmd[CTX_RB3D_ZSTENCILCNTL] |= R200_STENCIL_FAIL_KEEP;
1594 break;
1595 case GL_ZERO:
1596 rmesa->hw.ctx.cmd[CTX_RB3D_ZSTENCILCNTL] |= R200_STENCIL_FAIL_ZERO;
1597 break;
1598 case GL_REPLACE:
1599 rmesa->hw.ctx.cmd[CTX_RB3D_ZSTENCILCNTL] |= R200_STENCIL_FAIL_REPLACE;
1600 break;
1601 case GL_INCR:
1602 rmesa->hw.ctx.cmd[CTX_RB3D_ZSTENCILCNTL] |= R200_STENCIL_FAIL_INC;
1603 break;
1604 case GL_DECR:
1605 rmesa->hw.ctx.cmd[CTX_RB3D_ZSTENCILCNTL] |= R200_STENCIL_FAIL_DEC;
1606 break;
1607 case GL_INCR_WRAP_EXT:
1608 rmesa->hw.ctx.cmd[CTX_RB3D_ZSTENCILCNTL] |= R200_STENCIL_FAIL_INC_WRAP;
1609 break;
1610 case GL_DECR_WRAP_EXT:
1611 rmesa->hw.ctx.cmd[CTX_RB3D_ZSTENCILCNTL] |= R200_STENCIL_FAIL_DEC_WRAP;
1612 break;
1613 case GL_INVERT:
1614 rmesa->hw.ctx.cmd[CTX_RB3D_ZSTENCILCNTL] |= R200_STENCIL_FAIL_INVERT;
1615 break;
1616 }
1617
1618 switch ( ctx->Stencil.ZFailFunc[0] ) {
1619 case GL_KEEP:
1620 rmesa->hw.ctx.cmd[CTX_RB3D_ZSTENCILCNTL] |= R200_STENCIL_ZFAIL_KEEP;
1621 break;
1622 case GL_ZERO:
1623 rmesa->hw.ctx.cmd[CTX_RB3D_ZSTENCILCNTL] |= R200_STENCIL_ZFAIL_ZERO;
1624 break;
1625 case GL_REPLACE:
1626 rmesa->hw.ctx.cmd[CTX_RB3D_ZSTENCILCNTL] |= R200_STENCIL_ZFAIL_REPLACE;
1627 break;
1628 case GL_INCR:
1629 rmesa->hw.ctx.cmd[CTX_RB3D_ZSTENCILCNTL] |= R200_STENCIL_ZFAIL_INC;
1630 break;
1631 case GL_DECR:
1632 rmesa->hw.ctx.cmd[CTX_RB3D_ZSTENCILCNTL] |= R200_STENCIL_ZFAIL_DEC;
1633 break;
1634 case GL_INCR_WRAP_EXT:
1635 rmesa->hw.ctx.cmd[CTX_RB3D_ZSTENCILCNTL] |= R200_STENCIL_ZFAIL_INC_WRAP;
1636 break;
1637 case GL_DECR_WRAP_EXT:
1638 rmesa->hw.ctx.cmd[CTX_RB3D_ZSTENCILCNTL] |= R200_STENCIL_ZFAIL_DEC_WRAP;
1639 break;
1640 case GL_INVERT:
1641 rmesa->hw.ctx.cmd[CTX_RB3D_ZSTENCILCNTL] |= R200_STENCIL_ZFAIL_INVERT;
1642 break;
1643 }
1644
1645 switch ( ctx->Stencil.ZPassFunc[0] ) {
1646 case GL_KEEP:
1647 rmesa->hw.ctx.cmd[CTX_RB3D_ZSTENCILCNTL] |= R200_STENCIL_ZPASS_KEEP;
1648 break;
1649 case GL_ZERO:
1650 rmesa->hw.ctx.cmd[CTX_RB3D_ZSTENCILCNTL] |= R200_STENCIL_ZPASS_ZERO;
1651 break;
1652 case GL_REPLACE:
1653 rmesa->hw.ctx.cmd[CTX_RB3D_ZSTENCILCNTL] |= R200_STENCIL_ZPASS_REPLACE;
1654 break;
1655 case GL_INCR:
1656 rmesa->hw.ctx.cmd[CTX_RB3D_ZSTENCILCNTL] |= R200_STENCIL_ZPASS_INC;
1657 break;
1658 case GL_DECR:
1659 rmesa->hw.ctx.cmd[CTX_RB3D_ZSTENCILCNTL] |= R200_STENCIL_ZPASS_DEC;
1660 break;
1661 case GL_INCR_WRAP_EXT:
1662 rmesa->hw.ctx.cmd[CTX_RB3D_ZSTENCILCNTL] |= R200_STENCIL_ZPASS_INC_WRAP;
1663 break;
1664 case GL_DECR_WRAP_EXT:
1665 rmesa->hw.ctx.cmd[CTX_RB3D_ZSTENCILCNTL] |= R200_STENCIL_ZPASS_DEC_WRAP;
1666 break;
1667 case GL_INVERT:
1668 rmesa->hw.ctx.cmd[CTX_RB3D_ZSTENCILCNTL] |= R200_STENCIL_ZPASS_INVERT;
1669 break;
1670 }
1671 }
1672
1673 static void r200ClearStencil( GLcontext *ctx, GLint s )
1674 {
1675 r200ContextPtr rmesa = R200_CONTEXT(ctx);
1676
1677 rmesa->state.stencil.clear =
1678 ((GLuint) (ctx->Stencil.Clear & 0xff) |
1679 (0xff << R200_STENCIL_MASK_SHIFT) |
1680 ((ctx->Stencil.WriteMask[0] & 0xff) << R200_STENCIL_WRITEMASK_SHIFT));
1681 }
1682
1683
1684 /* =============================================================
1685 * Window position and viewport transformation
1686 */
1687
1688 /*
1689 * To correctly position primitives:
1690 */
1691 #define SUBPIXEL_X 0.125
1692 #define SUBPIXEL_Y 0.125
1693
1694 void r200UpdateWindow( GLcontext *ctx )
1695 {
1696 r200ContextPtr rmesa = R200_CONTEXT(ctx);
1697 __DRIdrawablePrivate *dPriv = rmesa->dri.drawable;
1698 GLfloat xoffset = (GLfloat)dPriv->x;
1699 GLfloat yoffset = (GLfloat)dPriv->y + dPriv->h;
1700 const GLfloat *v = ctx->Viewport._WindowMap.m;
1701
1702 float_ui32_type sx = { v[MAT_SX] };
1703 float_ui32_type tx = { v[MAT_TX] + xoffset + SUBPIXEL_X };
1704 float_ui32_type sy = { - v[MAT_SY] };
1705 float_ui32_type ty = { (- v[MAT_TY]) + yoffset + SUBPIXEL_Y };
1706 float_ui32_type sz = { v[MAT_SZ] * rmesa->state.depth.scale };
1707 float_ui32_type tz = { v[MAT_TZ] * rmesa->state.depth.scale };
1708
1709 R200_FIREVERTICES( rmesa );
1710 R200_STATECHANGE( rmesa, vpt );
1711
1712 rmesa->hw.vpt.cmd[VPT_SE_VPORT_XSCALE] = sx.ui32;
1713 rmesa->hw.vpt.cmd[VPT_SE_VPORT_XOFFSET] = tx.ui32;
1714 rmesa->hw.vpt.cmd[VPT_SE_VPORT_YSCALE] = sy.ui32;
1715 rmesa->hw.vpt.cmd[VPT_SE_VPORT_YOFFSET] = ty.ui32;
1716 rmesa->hw.vpt.cmd[VPT_SE_VPORT_ZSCALE] = sz.ui32;
1717 rmesa->hw.vpt.cmd[VPT_SE_VPORT_ZOFFSET] = tz.ui32;
1718 }
1719
1720
1721
1722 static void r200Viewport( GLcontext *ctx, GLint x, GLint y,
1723 GLsizei width, GLsizei height )
1724 {
1725 /* Don't pipeline viewport changes, conflict with window offset
1726 * setting below. Could apply deltas to rescue pipelined viewport
1727 * values, or keep the originals hanging around.
1728 */
1729 r200UpdateWindow( ctx );
1730 }
1731
1732 static void r200DepthRange( GLcontext *ctx, GLclampd nearval,
1733 GLclampd farval )
1734 {
1735 r200UpdateWindow( ctx );
1736 }
1737
1738 void r200UpdateViewportOffset( GLcontext *ctx )
1739 {
1740 r200ContextPtr rmesa = R200_CONTEXT(ctx);
1741 __DRIdrawablePrivate *dPriv = rmesa->dri.drawable;
1742 GLfloat xoffset = (GLfloat)dPriv->x;
1743 GLfloat yoffset = (GLfloat)dPriv->y + dPriv->h;
1744 const GLfloat *v = ctx->Viewport._WindowMap.m;
1745
1746 float_ui32_type tx;
1747 float_ui32_type ty;
1748
1749 tx.f = v[MAT_TX] + xoffset + SUBPIXEL_X;
1750 ty.f = (- v[MAT_TY]) + yoffset + SUBPIXEL_Y;
1751
1752 if ( rmesa->hw.vpt.cmd[VPT_SE_VPORT_XOFFSET] != tx.ui32 ||
1753 rmesa->hw.vpt.cmd[VPT_SE_VPORT_YOFFSET] != ty.ui32 )
1754 {
1755 /* Note: this should also modify whatever data the context reset
1756 * code uses...
1757 */
1758 R200_STATECHANGE( rmesa, vpt );
1759 rmesa->hw.vpt.cmd[VPT_SE_VPORT_XOFFSET] = tx.ui32;
1760 rmesa->hw.vpt.cmd[VPT_SE_VPORT_YOFFSET] = ty.ui32;
1761
1762 /* update polygon stipple x/y screen offset */
1763 {
1764 GLuint stx, sty;
1765 GLuint m = rmesa->hw.msc.cmd[MSC_RE_MISC];
1766
1767 m &= ~(R200_STIPPLE_X_OFFSET_MASK |
1768 R200_STIPPLE_Y_OFFSET_MASK);
1769
1770 /* add magic offsets, then invert */
1771 stx = 31 - ((rmesa->dri.drawable->x - 1) & R200_STIPPLE_COORD_MASK);
1772 sty = 31 - ((rmesa->dri.drawable->y + rmesa->dri.drawable->h - 1)
1773 & R200_STIPPLE_COORD_MASK);
1774
1775 m |= ((stx << R200_STIPPLE_X_OFFSET_SHIFT) |
1776 (sty << R200_STIPPLE_Y_OFFSET_SHIFT));
1777
1778 if ( rmesa->hw.msc.cmd[MSC_RE_MISC] != m ) {
1779 R200_STATECHANGE( rmesa, msc );
1780 rmesa->hw.msc.cmd[MSC_RE_MISC] = m;
1781 }
1782 }
1783 }
1784
1785 r200UpdateScissor( ctx );
1786 }
1787
1788
1789
1790 /* =============================================================
1791 * Miscellaneous
1792 */
1793
1794 static void r200ClearColor( GLcontext *ctx, const GLfloat c[4] )
1795 {
1796 r200ContextPtr rmesa = R200_CONTEXT(ctx);
1797 GLubyte color[4];
1798 CLAMPED_FLOAT_TO_UBYTE(color[0], c[0]);
1799 CLAMPED_FLOAT_TO_UBYTE(color[1], c[1]);
1800 CLAMPED_FLOAT_TO_UBYTE(color[2], c[2]);
1801 CLAMPED_FLOAT_TO_UBYTE(color[3], c[3]);
1802 rmesa->state.color.clear = r200PackColor( rmesa->r200Screen->cpp,
1803 color[0], color[1],
1804 color[2], color[3] );
1805 }
1806
1807
1808 static void r200RenderMode( GLcontext *ctx, GLenum mode )
1809 {
1810 r200ContextPtr rmesa = R200_CONTEXT(ctx);
1811 FALLBACK( rmesa, R200_FALLBACK_RENDER_MODE, (mode != GL_RENDER) );
1812 }
1813
1814
1815 static GLuint r200_rop_tab[] = {
1816 R200_ROP_CLEAR,
1817 R200_ROP_AND,
1818 R200_ROP_AND_REVERSE,
1819 R200_ROP_COPY,
1820 R200_ROP_AND_INVERTED,
1821 R200_ROP_NOOP,
1822 R200_ROP_XOR,
1823 R200_ROP_OR,
1824 R200_ROP_NOR,
1825 R200_ROP_EQUIV,
1826 R200_ROP_INVERT,
1827 R200_ROP_OR_REVERSE,
1828 R200_ROP_COPY_INVERTED,
1829 R200_ROP_OR_INVERTED,
1830 R200_ROP_NAND,
1831 R200_ROP_SET,
1832 };
1833
1834 static void r200LogicOpCode( GLcontext *ctx, GLenum opcode )
1835 {
1836 r200ContextPtr rmesa = R200_CONTEXT(ctx);
1837 GLuint rop = (GLuint)opcode - GL_CLEAR;
1838
1839 ASSERT( rop < 16 );
1840
1841 R200_STATECHANGE( rmesa, msk );
1842 rmesa->hw.msk.cmd[MSK_RB3D_ROPCNTL] = r200_rop_tab[rop];
1843 }
1844
1845
1846 void r200SetCliprects( r200ContextPtr rmesa, GLenum mode )
1847 {
1848 __DRIdrawablePrivate *const drawable = rmesa->dri.drawable;
1849 __DRIdrawablePrivate *const readable = rmesa->dri.readable;
1850 GLframebuffer *const draw_fb = (GLframebuffer*) drawable->driverPrivate;
1851 GLframebuffer *const read_fb = (GLframebuffer*) readable->driverPrivate;
1852
1853 switch ( mode ) {
1854 case GL_FRONT_LEFT:
1855 rmesa->numClipRects = drawable->numClipRects;
1856 rmesa->pClipRects = drawable->pClipRects;
1857 break;
1858 case GL_BACK_LEFT:
1859 /* Can't ignore 2d windows if we are page flipping.
1860 */
1861 if ( drawable->numBackClipRects == 0 || rmesa->doPageFlip ) {
1862 rmesa->numClipRects = drawable->numClipRects;
1863 rmesa->pClipRects = drawable->pClipRects;
1864 }
1865 else {
1866 rmesa->numClipRects = drawable->numBackClipRects;
1867 rmesa->pClipRects = drawable->pBackClipRects;
1868 }
1869 break;
1870 default:
1871 fprintf(stderr, "bad mode in r200SetCliprects\n");
1872 return;
1873 }
1874
1875 if ((draw_fb->Width != drawable->w) || (draw_fb->Height != drawable->h)) {
1876 _mesa_resize_framebuffer(rmesa->glCtx, draw_fb,
1877 drawable->w, drawable->h);
1878 draw_fb->Initialized = GL_TRUE;
1879 }
1880
1881 if (drawable != readable) {
1882 if ((read_fb->Width != readable->w) ||
1883 (read_fb->Height != readable->h)) {
1884 _mesa_resize_framebuffer(rmesa->glCtx, read_fb,
1885 readable->w, readable->h);
1886 read_fb->Initialized = GL_TRUE;
1887 }
1888 }
1889
1890 if (rmesa->state.scissor.enabled)
1891 r200RecalcScissorRects( rmesa );
1892 }
1893
1894
1895 static void r200DrawBuffer( GLcontext *ctx, GLenum mode )
1896 {
1897 r200ContextPtr rmesa = R200_CONTEXT(ctx);
1898
1899 if (R200_DEBUG & DEBUG_DRI)
1900 fprintf(stderr, "%s %s\n", __FUNCTION__,
1901 _mesa_lookup_enum_by_nr( mode ));
1902
1903 R200_FIREVERTICES(rmesa); /* don't pipeline cliprect changes */
1904
1905 /*
1906 * _ColorDrawBufferMask is easier to cope with than <mode>.
1907 * Check for software fallback, update cliprects.
1908 */
1909 switch ( ctx->DrawBuffer->_ColorDrawBufferMask[0] ) {
1910 case BUFFER_BIT_FRONT_LEFT:
1911 FALLBACK( rmesa, R200_FALLBACK_DRAW_BUFFER, GL_FALSE );
1912 r200SetCliprects( rmesa, GL_FRONT_LEFT );
1913 break;
1914 case BUFFER_BIT_BACK_LEFT:
1915 FALLBACK( rmesa, R200_FALLBACK_DRAW_BUFFER, GL_FALSE );
1916 r200SetCliprects( rmesa, GL_BACK_LEFT );
1917 break;
1918 default:
1919 /* GL_NONE or GL_FRONT_AND_BACK or stereo left&right, etc */
1920 FALLBACK( rmesa, R200_FALLBACK_DRAW_BUFFER, GL_TRUE );
1921 return;
1922 }
1923
1924 /* We'll set the drawing engine's offset/pitch parameters later
1925 * when we update other state.
1926 */
1927 }
1928
1929
1930 static void r200ReadBuffer( GLcontext *ctx, GLenum mode )
1931 {
1932 /* nothing, until we implement h/w glRead/CopyPixels or CopyTexImage */
1933 }
1934
1935 /* =============================================================
1936 * State enable/disable
1937 */
1938
1939 static void r200Enable( GLcontext *ctx, GLenum cap, GLboolean state )
1940 {
1941 r200ContextPtr rmesa = R200_CONTEXT(ctx);
1942 GLuint p, flag;
1943
1944 if ( R200_DEBUG & DEBUG_STATE )
1945 fprintf( stderr, "%s( %s = %s )\n", __FUNCTION__,
1946 _mesa_lookup_enum_by_nr( cap ),
1947 state ? "GL_TRUE" : "GL_FALSE" );
1948
1949 switch ( cap ) {
1950 /* Fast track this one...
1951 */
1952 case GL_TEXTURE_1D:
1953 case GL_TEXTURE_2D:
1954 case GL_TEXTURE_3D:
1955 break;
1956
1957 case GL_ALPHA_TEST:
1958 R200_STATECHANGE( rmesa, ctx );
1959 if (state) {
1960 rmesa->hw.ctx.cmd[CTX_PP_CNTL] |= R200_ALPHA_TEST_ENABLE;
1961 } else {
1962 rmesa->hw.ctx.cmd[CTX_PP_CNTL] &= ~R200_ALPHA_TEST_ENABLE;
1963 }
1964 break;
1965
1966 case GL_BLEND:
1967 case GL_COLOR_LOGIC_OP:
1968 r200_set_blend_state( ctx );
1969 break;
1970
1971 case GL_CLIP_PLANE0:
1972 case GL_CLIP_PLANE1:
1973 case GL_CLIP_PLANE2:
1974 case GL_CLIP_PLANE3:
1975 case GL_CLIP_PLANE4:
1976 case GL_CLIP_PLANE5:
1977 p = cap-GL_CLIP_PLANE0;
1978 R200_STATECHANGE( rmesa, tcl );
1979 if (state) {
1980 rmesa->hw.tcl.cmd[TCL_UCP_VERT_BLEND_CTL] |= (R200_UCP_ENABLE_0<<p);
1981 r200ClipPlane( ctx, cap, NULL );
1982 }
1983 else {
1984 rmesa->hw.tcl.cmd[TCL_UCP_VERT_BLEND_CTL] &= ~(R200_UCP_ENABLE_0<<p);
1985 }
1986 break;
1987
1988 case GL_COLOR_MATERIAL:
1989 r200ColorMaterial( ctx, 0, 0 );
1990 r200UpdateMaterial( ctx );
1991 break;
1992
1993 case GL_CULL_FACE:
1994 r200CullFace( ctx, 0 );
1995 break;
1996
1997 case GL_DEPTH_TEST:
1998 R200_STATECHANGE(rmesa, ctx );
1999 if ( state ) {
2000 rmesa->hw.ctx.cmd[CTX_RB3D_CNTL] |= R200_Z_ENABLE;
2001 } else {
2002 rmesa->hw.ctx.cmd[CTX_RB3D_CNTL] &= ~R200_Z_ENABLE;
2003 }
2004 break;
2005
2006 case GL_DITHER:
2007 R200_STATECHANGE(rmesa, ctx );
2008 if ( state ) {
2009 rmesa->hw.ctx.cmd[CTX_RB3D_CNTL] |= R200_DITHER_ENABLE;
2010 rmesa->hw.ctx.cmd[CTX_RB3D_CNTL] &= ~rmesa->state.color.roundEnable;
2011 } else {
2012 rmesa->hw.ctx.cmd[CTX_RB3D_CNTL] &= ~R200_DITHER_ENABLE;
2013 rmesa->hw.ctx.cmd[CTX_RB3D_CNTL] |= rmesa->state.color.roundEnable;
2014 }
2015 break;
2016
2017 case GL_FOG:
2018 R200_STATECHANGE(rmesa, ctx );
2019 if ( state ) {
2020 rmesa->hw.ctx.cmd[CTX_PP_CNTL] |= R200_FOG_ENABLE;
2021 r200Fogfv( ctx, GL_FOG_MODE, NULL );
2022 } else {
2023 rmesa->hw.ctx.cmd[CTX_PP_CNTL] &= ~R200_FOG_ENABLE;
2024 R200_STATECHANGE(rmesa, tcl);
2025 rmesa->hw.tcl.cmd[TCL_UCP_VERT_BLEND_CTL] &= ~R200_TCL_FOG_MASK;
2026 }
2027 r200UpdateSpecular( ctx ); /* for PK_SPEC */
2028 if (rmesa->TclFallback)
2029 r200ChooseVertexState( ctx );
2030 _mesa_allow_light_in_model( ctx, !state );
2031 break;
2032
2033 case GL_LIGHT0:
2034 case GL_LIGHT1:
2035 case GL_LIGHT2:
2036 case GL_LIGHT3:
2037 case GL_LIGHT4:
2038 case GL_LIGHT5:
2039 case GL_LIGHT6:
2040 case GL_LIGHT7:
2041 R200_STATECHANGE(rmesa, tcl);
2042 p = cap - GL_LIGHT0;
2043 if (p&1)
2044 flag = (R200_LIGHT_1_ENABLE |
2045 R200_LIGHT_1_ENABLE_AMBIENT |
2046 R200_LIGHT_1_ENABLE_SPECULAR);
2047 else
2048 flag = (R200_LIGHT_0_ENABLE |
2049 R200_LIGHT_0_ENABLE_AMBIENT |
2050 R200_LIGHT_0_ENABLE_SPECULAR);
2051
2052 if (state)
2053 rmesa->hw.tcl.cmd[p/2 + TCL_PER_LIGHT_CTL_0] |= flag;
2054 else
2055 rmesa->hw.tcl.cmd[p/2 + TCL_PER_LIGHT_CTL_0] &= ~flag;
2056
2057 /*
2058 */
2059 update_light_colors( ctx, p );
2060 break;
2061
2062 case GL_LIGHTING:
2063 r200UpdateSpecular(ctx);
2064 /* for reflection map fixup - might set recheck_texgen for all units too */
2065 rmesa->NewGLState |= _NEW_TEXTURE;
2066 break;
2067
2068 case GL_LINE_SMOOTH:
2069 R200_STATECHANGE( rmesa, ctx );
2070 if ( state ) {
2071 rmesa->hw.ctx.cmd[CTX_PP_CNTL] |= R200_ANTI_ALIAS_LINE;
2072 } else {
2073 rmesa->hw.ctx.cmd[CTX_PP_CNTL] &= ~R200_ANTI_ALIAS_LINE;
2074 }
2075 break;
2076
2077 case GL_LINE_STIPPLE:
2078 R200_STATECHANGE( rmesa, set );
2079 if ( state ) {
2080 rmesa->hw.set.cmd[SET_RE_CNTL] |= R200_PATTERN_ENABLE;
2081 } else {
2082 rmesa->hw.set.cmd[SET_RE_CNTL] &= ~R200_PATTERN_ENABLE;
2083 }
2084 break;
2085
2086 case GL_NORMALIZE:
2087 R200_STATECHANGE( rmesa, tcl );
2088 if ( state ) {
2089 rmesa->hw.tcl.cmd[TCL_LIGHT_MODEL_CTL_0] |= R200_NORMALIZE_NORMALS;
2090 } else {
2091 rmesa->hw.tcl.cmd[TCL_LIGHT_MODEL_CTL_0] &= ~R200_NORMALIZE_NORMALS;
2092 }
2093 break;
2094
2095 /* Pointsize registers on r200 only work for point sprites, and point smooth
2096 * doesn't work for point sprites (and isn't needed for 1.0 sized aa points).
2097 * In any case, setting pointmin == pointsizemax == 1.0 for aa points
2098 * is enough to satisfy conform.
2099 */
2100 case GL_POINT_SMOOTH:
2101 break;
2102
2103 /* These don't really do anything, as we don't use the 3vtx
2104 * primitives yet.
2105 */
2106 #if 0
2107 case GL_POLYGON_OFFSET_POINT:
2108 R200_STATECHANGE( rmesa, set );
2109 if ( state ) {
2110 rmesa->hw.set.cmd[SET_SE_CNTL] |= R200_ZBIAS_ENABLE_POINT;
2111 } else {
2112 rmesa->hw.set.cmd[SET_SE_CNTL] &= ~R200_ZBIAS_ENABLE_POINT;
2113 }
2114 break;
2115
2116 case GL_POLYGON_OFFSET_LINE:
2117 R200_STATECHANGE( rmesa, set );
2118 if ( state ) {
2119 rmesa->hw.set.cmd[SET_SE_CNTL] |= R200_ZBIAS_ENABLE_LINE;
2120 } else {
2121 rmesa->hw.set.cmd[SET_SE_CNTL] &= ~R200_ZBIAS_ENABLE_LINE;
2122 }
2123 break;
2124 #endif
2125
2126 case GL_POINT_SPRITE_ARB:
2127 R200_STATECHANGE( rmesa, spr );
2128 if ( state ) {
2129 int i;
2130 for (i = 0; i < 6; i++) {
2131 rmesa->hw.spr.cmd[SPR_POINT_SPRITE_CNTL] |=
2132 ctx->Point.CoordReplace[i] << (R200_PS_GEN_TEX_0_SHIFT + i);
2133 }
2134 } else {
2135 rmesa->hw.spr.cmd[SPR_POINT_SPRITE_CNTL] &= ~R200_PS_GEN_TEX_MASK;
2136 }
2137 break;
2138
2139 case GL_POLYGON_OFFSET_FILL:
2140 R200_STATECHANGE( rmesa, set );
2141 if ( state ) {
2142 rmesa->hw.set.cmd[SET_SE_CNTL] |= R200_ZBIAS_ENABLE_TRI;
2143 } else {
2144 rmesa->hw.set.cmd[SET_SE_CNTL] &= ~R200_ZBIAS_ENABLE_TRI;
2145 }
2146 break;
2147
2148 case GL_POLYGON_SMOOTH:
2149 R200_STATECHANGE( rmesa, ctx );
2150 if ( state ) {
2151 rmesa->hw.ctx.cmd[CTX_PP_CNTL] |= R200_ANTI_ALIAS_POLY;
2152 } else {
2153 rmesa->hw.ctx.cmd[CTX_PP_CNTL] &= ~R200_ANTI_ALIAS_POLY;
2154 }
2155 break;
2156
2157 case GL_POLYGON_STIPPLE:
2158 R200_STATECHANGE(rmesa, set );
2159 if ( state ) {
2160 rmesa->hw.set.cmd[SET_RE_CNTL] |= R200_STIPPLE_ENABLE;
2161 } else {
2162 rmesa->hw.set.cmd[SET_RE_CNTL] &= ~R200_STIPPLE_ENABLE;
2163 }
2164 break;
2165
2166 case GL_RESCALE_NORMAL_EXT: {
2167 GLboolean tmp = ctx->_NeedEyeCoords ? state : !state;
2168 R200_STATECHANGE( rmesa, tcl );
2169 if ( tmp ) {
2170 rmesa->hw.tcl.cmd[TCL_LIGHT_MODEL_CTL_0] |= R200_RESCALE_NORMALS;
2171 } else {
2172 rmesa->hw.tcl.cmd[TCL_LIGHT_MODEL_CTL_0] &= ~R200_RESCALE_NORMALS;
2173 }
2174 break;
2175 }
2176
2177 case GL_SCISSOR_TEST:
2178 R200_FIREVERTICES( rmesa );
2179 rmesa->state.scissor.enabled = state;
2180 r200UpdateScissor( ctx );
2181 break;
2182
2183 case GL_STENCIL_TEST:
2184 if ( rmesa->state.stencil.hwBuffer ) {
2185 R200_STATECHANGE( rmesa, ctx );
2186 if ( state ) {
2187 rmesa->hw.ctx.cmd[CTX_RB3D_CNTL] |= R200_STENCIL_ENABLE;
2188 } else {
2189 rmesa->hw.ctx.cmd[CTX_RB3D_CNTL] &= ~R200_STENCIL_ENABLE;
2190 }
2191 } else {
2192 FALLBACK( rmesa, R200_FALLBACK_STENCIL, state );
2193 }
2194 break;
2195
2196 case GL_TEXTURE_GEN_Q:
2197 case GL_TEXTURE_GEN_R:
2198 case GL_TEXTURE_GEN_S:
2199 case GL_TEXTURE_GEN_T:
2200 /* Picked up in r200UpdateTextureState.
2201 */
2202 rmesa->recheck_texgen[ctx->Texture.CurrentUnit] = GL_TRUE;
2203 break;
2204
2205 case GL_COLOR_SUM_EXT:
2206 r200UpdateSpecular ( ctx );
2207 break;
2208
2209 case GL_VERTEX_PROGRAM_ARB:
2210 if (!state) {
2211 GLuint i;
2212 rmesa->curr_vp_hw = NULL;
2213 R200_STATECHANGE( rmesa, vap );
2214 rmesa->hw.vap.cmd[VAP_SE_VAP_CNTL] &= ~R200_VAP_PROG_VTX_SHADER_ENABLE;
2215 /* mark all tcl atoms (tcl vector state got overwritten) dirty
2216 not sure about tcl scalar state - we need at least grd
2217 with vert progs too.
2218 ucp looks like it doesn't get overwritten (may even work
2219 with vp for pos-invariant progs if we're lucky) */
2220 R200_STATECHANGE( rmesa, mtl[0] );
2221 R200_STATECHANGE( rmesa, mtl[1] );
2222 R200_STATECHANGE( rmesa, fog );
2223 R200_STATECHANGE( rmesa, glt );
2224 R200_STATECHANGE( rmesa, eye );
2225 for (i = R200_MTX_MV; i <= R200_MTX_TEX5; i++) {
2226 R200_STATECHANGE( rmesa, mat[i] );
2227 }
2228 for (i = 0 ; i < 8; i++) {
2229 R200_STATECHANGE( rmesa, lit[i] );
2230 }
2231 R200_STATECHANGE( rmesa, tcl );
2232 for (i = 0; i <= ctx->Const.MaxClipPlanes; i++) {
2233 if (ctx->Transform.ClipPlanesEnabled & (1 << i)) {
2234 rmesa->hw.tcl.cmd[TCL_UCP_VERT_BLEND_CTL] |= (R200_UCP_ENABLE_0 << i);
2235 }
2236 /* else {
2237 rmesa->hw.tcl.cmd[TCL_UCP_VERT_BLEND_CTL] &= ~(R200_UCP_ENABLE_0 << i);
2238 }*/
2239 }
2240 /* ugly. Need to call everything which might change compsel. */
2241 r200UpdateSpecular( ctx );
2242 #if 0
2243 /* shouldn't be necessary, as it's picked up anyway in r200ValidateState (_NEW_PROGRAM),
2244 but without it doom3 locks up at always the same places. Why? */
2245 /* FIXME: This can (and should) be replaced by a call to the TCL_STATE_FLUSH reg before
2246 accessing VAP_SE_VAP_CNTL. Requires drm changes (done). Remove after some time... */
2247 r200UpdateTextureState( ctx );
2248 /* if we call r200UpdateTextureState we need the code below because we are calling it with
2249 non-current derived enabled values which may revert the state atoms for frag progs even when
2250 they already got disabled... ugh
2251 Should really figure out why we need to call r200UpdateTextureState in the first place */
2252 GLuint unit;
2253 for (unit = 0; unit < R200_MAX_TEXTURE_UNITS; unit++) {
2254 R200_STATECHANGE( rmesa, pix[unit] );
2255 R200_STATECHANGE( rmesa, tex[unit] );
2256 rmesa->hw.tex[unit].cmd[TEX_PP_TXFORMAT] &=
2257 ~(R200_TXFORMAT_ST_ROUTE_MASK | R200_TXFORMAT_LOOKUP_DISABLE);
2258 rmesa->hw.tex[unit].cmd[TEX_PP_TXFORMAT] |= unit << R200_TXFORMAT_ST_ROUTE_SHIFT;
2259 /* need to guard this with drmSupportsFragmentShader? Should never get here if
2260 we don't announce ATI_fs, right? */
2261 rmesa->hw.tex[unit].cmd[TEX_PP_TXMULTI_CTL] = 0;
2262 }
2263 R200_STATECHANGE( rmesa, cst );
2264 R200_STATECHANGE( rmesa, tf );
2265 rmesa->hw.cst.cmd[CST_PP_CNTL_X] = 0;
2266 #endif
2267 }
2268 else {
2269 /* picked up later */
2270 }
2271 /* call functions which change hw state based on ARB_vp enabled or not. */
2272 r200PointParameter( ctx, GL_POINT_DISTANCE_ATTENUATION, NULL );
2273 r200Fogfv( ctx, GL_FOG_COORD_SRC, NULL );
2274 break;
2275
2276 case GL_VERTEX_PROGRAM_POINT_SIZE_ARB:
2277 r200PointParameter( ctx, GL_POINT_DISTANCE_ATTENUATION, NULL );
2278 break;
2279
2280 case GL_FRAGMENT_SHADER_ATI:
2281 if ( !state ) {
2282 /* restore normal tex env colors and make sure tex env combine will get updated
2283 mark env atoms dirty (as their data was overwritten by afs even
2284 if they didn't change) and restore tex coord routing */
2285 GLuint unit;
2286 for (unit = 0; unit < R200_MAX_TEXTURE_UNITS; unit++) {
2287 R200_STATECHANGE( rmesa, pix[unit] );
2288 R200_STATECHANGE( rmesa, tex[unit] );
2289 rmesa->hw.tex[unit].cmd[TEX_PP_TXFORMAT] &=
2290 ~(R200_TXFORMAT_ST_ROUTE_MASK | R200_TXFORMAT_LOOKUP_DISABLE);
2291 rmesa->hw.tex[unit].cmd[TEX_PP_TXFORMAT] |= unit << R200_TXFORMAT_ST_ROUTE_SHIFT;
2292 /* need to guard this with drmSupportsFragmentShader? Should never get here if
2293 we don't announce ATI_fs, right? */
2294 rmesa->hw.tex[unit].cmd[TEX_PP_TXMULTI_CTL] = 0;
2295 }
2296 R200_STATECHANGE( rmesa, cst );
2297 R200_STATECHANGE( rmesa, tf );
2298 rmesa->hw.cst.cmd[CST_PP_CNTL_X] = 0;
2299 }
2300 else {
2301 /* need to mark this dirty as pix/tf atoms have overwritten the data
2302 even if the data in the atoms didn't change */
2303 R200_STATECHANGE( rmesa, atf );
2304 R200_STATECHANGE( rmesa, afs[1] );
2305 /* everything else picked up in r200UpdateTextureState hopefully */
2306 }
2307 break;
2308 default:
2309 return;
2310 }
2311 }
2312
2313
2314 void r200LightingSpaceChange( GLcontext *ctx )
2315 {
2316 r200ContextPtr rmesa = R200_CONTEXT(ctx);
2317 GLboolean tmp;
2318
2319 if (R200_DEBUG & DEBUG_STATE)
2320 fprintf(stderr, "%s %d BEFORE %x\n", __FUNCTION__, ctx->_NeedEyeCoords,
2321 rmesa->hw.tcl.cmd[TCL_LIGHT_MODEL_CTL_0]);
2322
2323 if (ctx->_NeedEyeCoords)
2324 tmp = ctx->Transform.RescaleNormals;
2325 else
2326 tmp = !ctx->Transform.RescaleNormals;
2327
2328 R200_STATECHANGE( rmesa, tcl );
2329 if ( tmp ) {
2330 rmesa->hw.tcl.cmd[TCL_LIGHT_MODEL_CTL_0] |= R200_RESCALE_NORMALS;
2331 } else {
2332 rmesa->hw.tcl.cmd[TCL_LIGHT_MODEL_CTL_0] &= ~R200_RESCALE_NORMALS;
2333 }
2334
2335 if (R200_DEBUG & DEBUG_STATE)
2336 fprintf(stderr, "%s %d AFTER %x\n", __FUNCTION__, ctx->_NeedEyeCoords,
2337 rmesa->hw.tcl.cmd[TCL_LIGHT_MODEL_CTL_0]);
2338 }
2339
2340 /* =============================================================
2341 * Deferred state management - matrices, textures, other?
2342 */
2343
2344
2345
2346
2347 static void upload_matrix( r200ContextPtr rmesa, GLfloat *src, int idx )
2348 {
2349 float *dest = ((float *)R200_DB_STATE( mat[idx] ))+MAT_ELT_0;
2350 int i;
2351
2352
2353 for (i = 0 ; i < 4 ; i++) {
2354 *dest++ = src[i];
2355 *dest++ = src[i+4];
2356 *dest++ = src[i+8];
2357 *dest++ = src[i+12];
2358 }
2359
2360 R200_DB_STATECHANGE( rmesa, &rmesa->hw.mat[idx] );
2361 }
2362
2363 static void upload_matrix_t( r200ContextPtr rmesa, const GLfloat *src, int idx )
2364 {
2365 float *dest = ((float *)R200_DB_STATE( mat[idx] ))+MAT_ELT_0;
2366 memcpy(dest, src, 16*sizeof(float));
2367 R200_DB_STATECHANGE( rmesa, &rmesa->hw.mat[idx] );
2368 }
2369
2370
2371 static void update_texturematrix( GLcontext *ctx )
2372 {
2373 r200ContextPtr rmesa = R200_CONTEXT( ctx );
2374 GLuint tpc = rmesa->hw.tcg.cmd[TCG_TEX_PROC_CTL_0];
2375 GLuint compsel = rmesa->hw.vtx.cmd[VTX_TCL_OUTPUT_COMPSEL];
2376 int unit;
2377
2378 if (R200_DEBUG & DEBUG_STATE)
2379 fprintf(stderr, "%s before COMPSEL: %x\n", __FUNCTION__,
2380 rmesa->hw.vtx.cmd[VTX_TCL_OUTPUT_COMPSEL]);
2381
2382 rmesa->TexMatEnabled = 0;
2383 rmesa->TexMatCompSel = 0;
2384
2385 for (unit = 0 ; unit < ctx->Const.MaxTextureUnits; unit++) {
2386 if (!ctx->Texture.Unit[unit]._ReallyEnabled)
2387 continue;
2388
2389 if (ctx->TextureMatrixStack[unit].Top->type != MATRIX_IDENTITY) {
2390 rmesa->TexMatEnabled |= (R200_TEXGEN_TEXMAT_0_ENABLE|
2391 R200_TEXMAT_0_ENABLE) << unit;
2392
2393 rmesa->TexMatCompSel |= R200_OUTPUT_TEX_0 << unit;
2394
2395 if (rmesa->TexGenEnabled & (R200_TEXMAT_0_ENABLE << unit)) {
2396 /* Need to preconcatenate any active texgen
2397 * obj/eyeplane matrices:
2398 */
2399 _math_matrix_mul_matrix( &rmesa->tmpmat,
2400 ctx->TextureMatrixStack[unit].Top,
2401 &rmesa->TexGenMatrix[unit] );
2402 upload_matrix( rmesa, rmesa->tmpmat.m, R200_MTX_TEX0+unit );
2403 }
2404 else {
2405 upload_matrix( rmesa, ctx->TextureMatrixStack[unit].Top->m,
2406 R200_MTX_TEX0+unit );
2407 }
2408 }
2409 else if (rmesa->TexGenEnabled & (R200_TEXMAT_0_ENABLE << unit)) {
2410 upload_matrix( rmesa, rmesa->TexGenMatrix[unit].m,
2411 R200_MTX_TEX0+unit );
2412 }
2413 }
2414
2415 tpc = (rmesa->TexMatEnabled | rmesa->TexGenEnabled);
2416 if (tpc != rmesa->hw.tcg.cmd[TCG_TEX_PROC_CTL_0]) {
2417 R200_STATECHANGE(rmesa, tcg);
2418 rmesa->hw.tcg.cmd[TCG_TEX_PROC_CTL_0] = tpc;
2419 }
2420
2421 compsel &= ~R200_OUTPUT_TEX_MASK;
2422 compsel |= rmesa->TexMatCompSel | rmesa->TexGenCompSel;
2423 if (compsel != rmesa->hw.vtx.cmd[VTX_TCL_OUTPUT_COMPSEL]) {
2424 R200_STATECHANGE(rmesa, vtx);
2425 rmesa->hw.vtx.cmd[VTX_TCL_OUTPUT_COMPSEL] = compsel;
2426 }
2427 }
2428
2429
2430
2431 /**
2432 * Tell the card where to render (offset, pitch).
2433 * Effected by glDrawBuffer, etc
2434 */
2435 void
2436 r200UpdateDrawBuffer(GLcontext *ctx)
2437 {
2438 r200ContextPtr rmesa = R200_CONTEXT(ctx);
2439 struct gl_framebuffer *fb = ctx->DrawBuffer;
2440 driRenderbuffer *drb;
2441
2442 if (fb->_ColorDrawBufferMask[0] == BUFFER_BIT_FRONT_LEFT) {
2443 /* draw to front */
2444 drb = (driRenderbuffer *) fb->Attachment[BUFFER_FRONT_LEFT].Renderbuffer;
2445 }
2446 else if (fb->_ColorDrawBufferMask[0] == BUFFER_BIT_BACK_LEFT) {
2447 /* draw to back */
2448 drb = (driRenderbuffer *) fb->Attachment[BUFFER_BACK_LEFT].Renderbuffer;
2449 }
2450 else {
2451 /* drawing to multiple buffers, or none */
2452 return;
2453 }
2454
2455 assert(drb);
2456 assert(drb->flippedPitch);
2457
2458 R200_STATECHANGE( rmesa, ctx );
2459
2460 /* Note: we used the (possibly) page-flipped values */
2461 rmesa->hw.ctx.cmd[CTX_RB3D_COLOROFFSET]
2462 = ((drb->flippedOffset + rmesa->r200Screen->fbLocation)
2463 & R200_COLOROFFSET_MASK);
2464 rmesa->hw.ctx.cmd[CTX_RB3D_COLORPITCH] = drb->flippedPitch;
2465 if (rmesa->sarea->tiling_enabled) {
2466 rmesa->hw.ctx.cmd[CTX_RB3D_COLORPITCH] |= R200_COLOR_TILE_ENABLE;
2467 }
2468 }
2469
2470
2471
2472 void r200ValidateState( GLcontext *ctx )
2473 {
2474 r200ContextPtr rmesa = R200_CONTEXT(ctx);
2475 GLuint new_state = rmesa->NewGLState;
2476
2477 if (new_state & (_NEW_BUFFERS | _NEW_COLOR | _NEW_PIXEL)) {
2478 r200UpdateDrawBuffer(ctx);
2479 }
2480
2481 if (new_state & (_NEW_TEXTURE | _NEW_PROGRAM)) {
2482 r200UpdateTextureState( ctx );
2483 new_state |= rmesa->NewGLState; /* may add TEXTURE_MATRIX */
2484 r200UpdateLocalViewer( ctx );
2485 }
2486
2487 /* FIXME: don't really need most of these when vertex progs are enabled */
2488
2489 /* Need an event driven matrix update?
2490 */
2491 if (new_state & (_NEW_MODELVIEW|_NEW_PROJECTION))
2492 upload_matrix( rmesa, ctx->_ModelProjectMatrix.m, R200_MTX_MVP );
2493
2494 /* Need these for lighting (shouldn't upload otherwise)
2495 */
2496 if (new_state & (_NEW_MODELVIEW)) {
2497 upload_matrix( rmesa, ctx->ModelviewMatrixStack.Top->m, R200_MTX_MV );
2498 upload_matrix_t( rmesa, ctx->ModelviewMatrixStack.Top->inv, R200_MTX_IMV );
2499 }
2500
2501 /* Does this need to be triggered on eg. modelview for
2502 * texgen-derived objplane/eyeplane matrices?
2503 */
2504 if (new_state & (_NEW_TEXTURE|_NEW_TEXTURE_MATRIX)) {
2505 update_texturematrix( ctx );
2506 }
2507
2508 if (new_state & (_NEW_LIGHT|_NEW_MODELVIEW|_MESA_NEW_NEED_EYE_COORDS)) {
2509 update_light( ctx );
2510 }
2511
2512 /* emit all active clip planes if projection matrix changes.
2513 */
2514 if (new_state & (_NEW_PROJECTION)) {
2515 if (ctx->Transform.ClipPlanesEnabled)
2516 r200UpdateClipPlanes( ctx );
2517 }
2518
2519 if (new_state & (_NEW_PROGRAM|
2520 /* need to test for pretty much anything due to possible parameter bindings */
2521 _NEW_MODELVIEW|_NEW_PROJECTION|_NEW_TRANSFORM|
2522 _NEW_LIGHT|_NEW_TEXTURE|_NEW_TEXTURE_MATRIX|
2523 _NEW_FOG|_NEW_POINT|_NEW_TRACK_MATRIX)) {
2524 if (ctx->VertexProgram._Enabled) {
2525 r200SetupVertexProg( ctx );
2526 }
2527 else TCL_FALLBACK(ctx, R200_TCL_FALLBACK_VERTEX_PROGRAM, 0);
2528 }
2529
2530 rmesa->NewGLState = 0;
2531 }
2532
2533
2534 static void r200InvalidateState( GLcontext *ctx, GLuint new_state )
2535 {
2536 _swrast_InvalidateState( ctx, new_state );
2537 _swsetup_InvalidateState( ctx, new_state );
2538 _vbo_InvalidateState( ctx, new_state );
2539 _tnl_InvalidateState( ctx, new_state );
2540 _ae_invalidate_state( ctx, new_state );
2541 R200_CONTEXT(ctx)->NewGLState |= new_state;
2542 }
2543
2544 /* A hack. The r200 can actually cope just fine with materials
2545 * between begin/ends, so fix this. But how ?
2546 */
2547 static GLboolean check_material( GLcontext *ctx )
2548 {
2549 TNLcontext *tnl = TNL_CONTEXT(ctx);
2550 GLint i;
2551
2552 for (i = _TNL_ATTRIB_MAT_FRONT_AMBIENT;
2553 i < _TNL_ATTRIB_MAT_BACK_INDEXES;
2554 i++)
2555 if (tnl->vb.AttribPtr[i] &&
2556 tnl->vb.AttribPtr[i]->stride)
2557 return GL_TRUE;
2558
2559 return GL_FALSE;
2560 }
2561
2562 static void r200WrapRunPipeline( GLcontext *ctx )
2563 {
2564 r200ContextPtr rmesa = R200_CONTEXT(ctx);
2565 GLboolean has_material;
2566
2567 if (0)
2568 fprintf(stderr, "%s, newstate: %x\n", __FUNCTION__, rmesa->NewGLState);
2569
2570 /* Validate state:
2571 */
2572 if (rmesa->NewGLState)
2573 r200ValidateState( ctx );
2574
2575 has_material = (ctx->Light.Enabled && check_material( ctx ));
2576
2577 if (has_material) {
2578 TCL_FALLBACK( ctx, R200_TCL_FALLBACK_MATERIAL, GL_TRUE );
2579 }
2580
2581 /* Run the pipeline.
2582 */
2583 _tnl_run_pipeline( ctx );
2584
2585 if (has_material) {
2586 TCL_FALLBACK( ctx, R200_TCL_FALLBACK_MATERIAL, GL_FALSE );
2587 }
2588 }
2589
2590
2591 /* Initialize the driver's state functions.
2592 */
2593 void r200InitStateFuncs( struct dd_function_table *functions )
2594 {
2595 functions->UpdateState = r200InvalidateState;
2596 functions->LightingSpaceChange = r200LightingSpaceChange;
2597
2598 functions->DrawBuffer = r200DrawBuffer;
2599 functions->ReadBuffer = r200ReadBuffer;
2600
2601 functions->AlphaFunc = r200AlphaFunc;
2602 functions->BlendColor = r200BlendColor;
2603 functions->BlendEquationSeparate = r200BlendEquationSeparate;
2604 functions->BlendFuncSeparate = r200BlendFuncSeparate;
2605 functions->ClearColor = r200ClearColor;
2606 functions->ClearDepth = r200ClearDepth;
2607 functions->ClearIndex = NULL;
2608 functions->ClearStencil = r200ClearStencil;
2609 functions->ClipPlane = r200ClipPlane;
2610 functions->ColorMask = r200ColorMask;
2611 functions->CullFace = r200CullFace;
2612 functions->DepthFunc = r200DepthFunc;
2613 functions->DepthMask = r200DepthMask;
2614 functions->DepthRange = r200DepthRange;
2615 functions->Enable = r200Enable;
2616 functions->Fogfv = r200Fogfv;
2617 functions->FrontFace = r200FrontFace;
2618 functions->Hint = NULL;
2619 functions->IndexMask = NULL;
2620 functions->LightModelfv = r200LightModelfv;
2621 functions->Lightfv = r200Lightfv;
2622 functions->LineStipple = r200LineStipple;
2623 functions->LineWidth = r200LineWidth;
2624 functions->LogicOpcode = r200LogicOpCode;
2625 functions->PolygonMode = r200PolygonMode;
2626 functions->PolygonOffset = r200PolygonOffset;
2627 functions->PolygonStipple = r200PolygonStipple;
2628 functions->PointParameterfv = r200PointParameter;
2629 functions->PointSize = r200PointSize;
2630 functions->RenderMode = r200RenderMode;
2631 functions->Scissor = r200Scissor;
2632 functions->ShadeModel = r200ShadeModel;
2633 functions->StencilFuncSeparate = r200StencilFuncSeparate;
2634 functions->StencilMaskSeparate = r200StencilMaskSeparate;
2635 functions->StencilOpSeparate = r200StencilOpSeparate;
2636 functions->Viewport = r200Viewport;
2637 }
2638
2639
2640 void r200InitTnlFuncs( GLcontext *ctx )
2641 {
2642 TNL_CONTEXT(ctx)->Driver.NotifyMaterialChange = r200UpdateMaterial;
2643 TNL_CONTEXT(ctx)->Driver.RunPipeline = r200WrapRunPipeline;
2644 }