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Get NeHe lesson08 to work. Note: it appears the filtering does not work properly...
[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 * Authors:
34 * Nicolai Haehnle <prefect_@gmx.net>
35 */
36
37 #include "glheader.h"
38 #include "state.h"
39 #include "imports.h"
40 #include "enums.h"
41 #include "macros.h"
42 #include "context.h"
43 #include "dd.h"
44 #include "simple_list.h"
45
46 #include "api_arrayelt.h"
47 #include "swrast/swrast.h"
48 #include "swrast_setup/swrast_setup.h"
49 #include "array_cache/acache.h"
50 #include "tnl/tnl.h"
51
52 #include "radeon_ioctl.h"
53 #include "radeon_state.h"
54 #include "r300_context.h"
55 #include "r300_ioctl.h"
56 #include "r300_state.h"
57 #include "r300_reg.h"
58 #include "r300_program.h"
59 #include "r300_emit.h"
60 #include "r300_fixed_pipelines.h"
61
62 static void r300AlphaFunc(GLcontext * ctx, GLenum func, GLfloat ref)
63 {
64 r300ContextPtr rmesa = R300_CONTEXT(ctx);
65 int pp_misc = rmesa->hw.at.cmd[R300_AT_ALPHA_TEST];
66 GLubyte refByte;
67
68 CLAMPED_FLOAT_TO_UBYTE(refByte, ref);
69
70 R300_STATECHANGE(rmesa, at);
71
72 pp_misc &= ~(R300_ALPHA_TEST_OP_MASK | R300_REF_ALPHA_MASK);
73 pp_misc |= (refByte & R300_REF_ALPHA_MASK);
74
75 switch (func) {
76 case GL_NEVER:
77 pp_misc |= R300_ALPHA_TEST_FAIL;
78 break;
79 case GL_LESS:
80 pp_misc |= R300_ALPHA_TEST_LESS;
81 break;
82 case GL_EQUAL:
83 pp_misc |= R300_ALPHA_TEST_EQUAL;
84 break;
85 case GL_LEQUAL:
86 pp_misc |= R300_ALPHA_TEST_LEQUAL;
87 break;
88 case GL_GREATER:
89 pp_misc |= R300_ALPHA_TEST_GREATER;
90 break;
91 case GL_NOTEQUAL:
92 pp_misc |= R300_ALPHA_TEST_NEQUAL;
93 break;
94 case GL_GEQUAL:
95 pp_misc |= R300_ALPHA_TEST_GEQUAL;
96 break;
97 case GL_ALWAYS:
98 pp_misc |= R300_ALPHA_TEST_PASS;
99 break;
100 }
101
102 rmesa->hw.at.cmd[R300_AT_ALPHA_TEST] = pp_misc;
103 }
104
105 static void r300BlendColor(GLcontext * ctx, const GLfloat cf[4])
106 {
107 GLubyte color[4];
108 r300ContextPtr rmesa = R300_CONTEXT(ctx);
109 fprintf(stderr, "%s:%s is not implemented yet. Fixme !\n", __FILE__, __FUNCTION__);
110 #if 0
111 R200_STATECHANGE(rmesa, ctx);
112 CLAMPED_FLOAT_TO_UBYTE(color[0], cf[0]);
113 CLAMPED_FLOAT_TO_UBYTE(color[1], cf[1]);
114 CLAMPED_FLOAT_TO_UBYTE(color[2], cf[2]);
115 CLAMPED_FLOAT_TO_UBYTE(color[3], cf[3]);
116 if (rmesa->radeon.radeonScreen->drmSupportsBlendColor)
117 rmesa->hw.ctx.cmd[CTX_RB3D_BLENDCOLOR] =
118 radeonPackColor(4, color[0], color[1], color[2], color[3]);
119 #endif
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 =
173 (is_src) ? R200_BLEND_GL_SRC_ALPHA_SATURATE :
174 R200_BLEND_GL_ZERO;
175 break;
176 case GL_CONSTANT_COLOR:
177 func = R200_BLEND_GL_CONST_COLOR;
178 break;
179 case GL_ONE_MINUS_CONSTANT_COLOR:
180 func = R200_BLEND_GL_ONE_MINUS_CONST_COLOR;
181 break;
182 case GL_CONSTANT_ALPHA:
183 func = R200_BLEND_GL_CONST_ALPHA;
184 break;
185 case GL_ONE_MINUS_CONSTANT_ALPHA:
186 func = R200_BLEND_GL_ONE_MINUS_CONST_ALPHA;
187 break;
188 default:
189 func = (is_src) ? R200_BLEND_GL_ONE : R200_BLEND_GL_ZERO;
190 }
191 return func;
192 }
193
194 /**
195 * Sets both the blend equation and the blend function.
196 * This is done in a single
197 * function because some blend equations (i.e., \c GL_MIN and \c GL_MAX)
198 * change the interpretation of the blend function.
199 * Also, make sure that blend function and blend equation are set to their default
200 * value if color blending is not enabled, since at least blend equations GL_MIN
201 * and GL_FUNC_REVERSE_SUBTRACT will cause wrong results otherwise for
202 * unknown reasons.
203 */
204 static void r300_set_blend_state(GLcontext * ctx)
205 {
206 r300ContextPtr rmesa = R300_CONTEXT(ctx);
207 #if 0
208 GLuint cntl = rmesa->hw.ctx.cmd[CTX_RB3D_CNTL] &
209 ~(R300_ROP_ENABLE | R300_ALPHA_BLEND_ENABLE |
210 R300_SEPARATE_ALPHA_ENABLE);
211 #endif
212
213 int func = (R200_BLEND_GL_ONE << R200_SRC_BLEND_SHIFT) |
214 (R200_BLEND_GL_ZERO << R200_DST_BLEND_SHIFT);
215 int eqn = R200_COMB_FCN_ADD_CLAMP;
216 int funcA = (R200_BLEND_GL_ONE << R200_SRC_BLEND_SHIFT) |
217 (R200_BLEND_GL_ZERO << R200_DST_BLEND_SHIFT);
218 int eqnA = R200_COMB_FCN_ADD_CLAMP;
219
220 R300_STATECHANGE(rmesa, bld);
221
222 if (rmesa->radeon.radeonScreen->drmSupportsBlendColor) {
223 if (ctx->Color._LogicOpEnabled) {
224 #if 0
225 rmesa->hw.ctx.cmd[CTX_RB3D_CNTL] =
226 cntl | R300_ROP_ENABLE;
227 #endif
228 rmesa->hw.bld.cmd[R300_BLD_ABLEND] = eqn | func;
229 rmesa->hw.bld.cmd[R300_BLD_CBLEND] = eqn | func;
230 return;
231 } else if (ctx->Color.BlendEnabled) {
232 #if 0
233 rmesa->hw.ctx.cmd[CTX_RB3D_CNTL] =
234 cntl | R300_ALPHA_BLEND_ENABLE |
235 R300_SEPARATE_ALPHA_ENABLE;
236 #endif
237 } else {
238 #if 0
239 rmesa->hw.ctx.cmd[CTX_RB3D_CNTL] = cntl;
240 #endif
241 rmesa->hw.bld.cmd[R300_BLD_ABLEND] = eqn | func;
242 rmesa->hw.bld.cmd[R300_BLD_CBLEND] = eqn | func;
243 return;
244 }
245 } else {
246 if (ctx->Color._LogicOpEnabled) {
247 #if 0
248 rmesa->hw.ctx.cmd[CTX_RB3D_CNTL] =
249 cntl | R300_ROP_ENABLE;
250 rmesa->hw.ctx.cmd[CTX_RB3D_BLENDCNTL] = eqn | func;
251 #endif
252 return;
253 } else if (ctx->Color.BlendEnabled) {
254 #if 0
255 rmesa->hw.ctx.cmd[CTX_RB3D_CNTL] =
256 cntl | R300_ALPHA_BLEND_ENABLE;
257 #endif
258 } else {
259 #if 0
260 rmesa->hw.ctx.cmd[CTX_RB3D_CNTL] = cntl;
261 rmesa->hw.ctx.cmd[CTX_RB3D_BLENDCNTL] = eqn | func;
262 #endif
263 return;
264 }
265 }
266
267 func =
268 (blend_factor(ctx->Color.BlendSrcRGB, GL_TRUE) <<
269 R200_SRC_BLEND_SHIFT) | (blend_factor(ctx->Color.BlendDstRGB,
270 GL_FALSE) <<
271 R200_DST_BLEND_SHIFT);
272
273 switch (ctx->Color.BlendEquationRGB) {
274 case GL_FUNC_ADD:
275 eqn = R300_COMB_FCN_ADD_CLAMP;
276 break;
277
278 case GL_FUNC_SUBTRACT:
279 eqn = R300_COMB_FCN_SUB_CLAMP;
280 break;
281
282 case GL_FUNC_REVERSE_SUBTRACT:
283 eqn = R200_COMB_FCN_RSUB_CLAMP;
284 break;
285
286 case GL_MIN:
287 eqn = R200_COMB_FCN_MIN;
288 func = (R200_BLEND_GL_ONE << R200_SRC_BLEND_SHIFT) |
289 (R200_BLEND_GL_ONE << R200_DST_BLEND_SHIFT);
290 break;
291
292 case GL_MAX:
293 eqn = R200_COMB_FCN_MAX;
294 func = (R200_BLEND_GL_ONE << R200_SRC_BLEND_SHIFT) |
295 (R200_BLEND_GL_ONE << R200_DST_BLEND_SHIFT);
296 break;
297
298 default:
299 fprintf(stderr,
300 "[%s:%u] Invalid RGB blend equation (0x%04x).\n",
301 __func__, __LINE__, ctx->Color.BlendEquationRGB);
302 return;
303 }
304
305 if (!rmesa->radeon.radeonScreen->drmSupportsBlendColor) {
306 #if 0
307 rmesa->hw.ctx.cmd[CTX_RB3D_BLENDCNTL] = eqn | func;
308 #endif
309 return;
310 }
311
312 funcA =
313 (blend_factor(ctx->Color.BlendSrcA, GL_TRUE) <<
314 R200_SRC_BLEND_SHIFT) | (blend_factor(ctx->Color.BlendDstA,
315 GL_FALSE) <<
316 R200_DST_BLEND_SHIFT);
317
318 switch (ctx->Color.BlendEquationA) {
319 case GL_FUNC_ADD:
320 eqnA = R300_COMB_FCN_ADD_CLAMP;
321 break;
322
323 case GL_FUNC_SUBTRACT:
324 eqnA = R300_COMB_FCN_SUB_CLAMP;
325 break;
326
327 case GL_FUNC_REVERSE_SUBTRACT:
328 eqnA = R200_COMB_FCN_RSUB_CLAMP;
329 break;
330
331 case GL_MIN:
332 eqnA = R200_COMB_FCN_MIN;
333 funcA = (R200_BLEND_GL_ONE << R200_SRC_BLEND_SHIFT) |
334 (R200_BLEND_GL_ONE << R200_DST_BLEND_SHIFT);
335 break;
336
337 case GL_MAX:
338 eqnA = R200_COMB_FCN_MAX;
339 funcA = (R200_BLEND_GL_ONE << R200_SRC_BLEND_SHIFT) |
340 (R200_BLEND_GL_ONE << R200_DST_BLEND_SHIFT);
341 break;
342
343 default:
344 fprintf(stderr, "[%s:%u] Invalid A blend equation (0x%04x).\n",
345 __func__, __LINE__, ctx->Color.BlendEquationA);
346 return;
347 }
348
349 rmesa->hw.bld.cmd[R300_BLD_ABLEND] = eqnA | funcA;
350 rmesa->hw.bld.cmd[R300_BLD_CBLEND] = eqn | func ;
351 if(rmesa->hw.bld.cmd[R300_BLD_ABLEND] == rmesa->hw.bld.cmd[R300_BLD_CBLEND]){
352 rmesa->hw.bld.cmd[R300_BLD_CBLEND] |= R300_BLEND_UNKNOWN | R300_BLEND_ENABLE | R300_BLEND_NO_SEPARATE;
353 } else {
354 rmesa->hw.bld.cmd[R300_BLD_CBLEND] |= R300_BLEND_UNKNOWN | R300_BLEND_ENABLE;
355 }
356
357 }
358
359 static void r300BlendEquationSeparate(GLcontext * ctx,
360 GLenum modeRGB, GLenum modeA)
361 {
362 r300_set_blend_state(ctx);
363 }
364
365 static void r300BlendFuncSeparate(GLcontext * ctx,
366 GLenum sfactorRGB, GLenum dfactorRGB,
367 GLenum sfactorA, GLenum dfactorA)
368 {
369 r300_set_blend_state(ctx);
370 }
371
372 /**
373 * Update our tracked culling state based on Mesa's state.
374 */
375 static void r300UpdateCulling(GLcontext* ctx)
376 {
377 r300ContextPtr r300 = R300_CONTEXT(ctx);
378 uint32_t val = 0;
379
380 R300_STATECHANGE(r300, cul);
381 if (ctx->Polygon.CullFlag) {
382 if (ctx->Polygon.CullFaceMode == GL_FRONT_AND_BACK)
383 val = R300_CULL_FRONT|R300_CULL_BACK;
384 else if (ctx->Polygon.CullFaceMode == GL_FRONT)
385 val = R300_CULL_FRONT;
386 else
387 val = R300_CULL_BACK;
388
389 if (ctx->Polygon.FrontFace == GL_CW)
390 val |= R300_FRONT_FACE_CW;
391 else
392 val |= R300_FRONT_FACE_CCW;
393 }
394
395 r300->hw.cul.cmd[R300_CUL_CULL] = val;
396 }
397
398
399 /**
400 * Handle glEnable()/glDisable().
401 *
402 * \note Mesa already filters redundant calls to glEnable/glDisable.
403 */
404 static void r300Enable(GLcontext* ctx, GLenum cap, GLboolean state)
405 {
406 r300ContextPtr r300 = R300_CONTEXT(ctx);
407 uint32_t newval;
408
409 if (RADEON_DEBUG & DEBUG_STATE)
410 fprintf(stderr, "%s( %s = %s )\n", __FUNCTION__,
411 _mesa_lookup_enum_by_nr(cap),
412 state ? "GL_TRUE" : "GL_FALSE");
413
414 switch (cap) {
415 case GL_DEPTH_TEST:
416 R300_STATECHANGE(r300, zc);
417
418 if (state) {
419 if (ctx->Depth.Mask)
420 newval = R300_RB3D_Z_TEST_AND_WRITE;
421 else
422 newval = R300_RB3D_Z_TEST;
423 } else
424 newval = 0;
425
426 r300->hw.zc.cmd[R300_ZC_CNTL_0] = newval;
427 break;
428
429 case GL_CULL_FACE:
430 r300UpdateCulling(ctx);
431 break;
432
433 default:
434 radeonEnable(ctx, cap, state);
435 return;
436 }
437 }
438
439
440 /**
441 * Change the culling mode.
442 *
443 * \note Mesa already filters redundant calls to this function.
444 */
445 static void r300CullFace(GLcontext* ctx, GLenum mode)
446 {
447 (void)mode;
448
449 r300UpdateCulling(ctx);
450 }
451
452
453 /**
454 * Change the polygon orientation.
455 *
456 * \note Mesa already filters redundant calls to this function.
457 */
458 static void r300FrontFace(GLcontext* ctx, GLenum mode)
459 {
460 (void)mode;
461
462 r300UpdateCulling(ctx);
463 }
464
465
466 /**
467 * Change the depth testing function.
468 *
469 * \note Mesa already filters redundant calls to this function.
470 */
471 static void r300DepthFunc(GLcontext* ctx, GLenum func)
472 {
473 r300ContextPtr r300 = R300_CONTEXT(ctx);
474
475 R300_STATECHANGE(r300, zc);
476
477 switch(func) {
478 case GL_NEVER:
479 r300->hw.zc.cmd[R300_ZC_CNTL_1] = R300_Z_TEST_NEVER;
480 break;
481 case GL_LESS:
482 r300->hw.zc.cmd[R300_ZC_CNTL_1] = R300_Z_TEST_LESS;
483 break;
484 case GL_EQUAL:
485 r300->hw.zc.cmd[R300_ZC_CNTL_1] = R300_Z_TEST_EQUAL;
486 break;
487 case GL_LEQUAL:
488 r300->hw.zc.cmd[R300_ZC_CNTL_1] = R300_Z_TEST_LEQUAL;
489 break;
490 case GL_GREATER:
491 r300->hw.zc.cmd[R300_ZC_CNTL_1] = R300_Z_TEST_GREATER;
492 break;
493 case GL_NOTEQUAL:
494 r300->hw.zc.cmd[R300_ZC_CNTL_1] = R300_Z_TEST_NEQUAL;
495 break;
496 case GL_GEQUAL:
497 r300->hw.zc.cmd[R300_ZC_CNTL_1] = R300_Z_TEST_GEQUAL;
498 break;
499 case GL_ALWAYS:
500 r300->hw.zc.cmd[R300_ZC_CNTL_1] = R300_Z_TEST_ALWAYS;
501 break;
502 }
503 }
504
505
506 /**
507 * Enable/Disable depth writing.
508 *
509 * \note Mesa already filters redundant calls to this function.
510 */
511 static void r300DepthMask(GLcontext* ctx, GLboolean mask)
512 {
513 r300ContextPtr r300 = R300_CONTEXT(ctx);
514
515 if (!ctx->Depth.Test)
516 return;
517
518 R300_STATECHANGE(r300, zc);
519 r300->hw.zc.cmd[R300_ZC_CNTL_0] = mask
520 ? R300_RB3D_Z_TEST_AND_WRITE : R300_RB3D_Z_TEST;
521 }
522
523
524 /**
525 * Handle glColorMask()
526 */
527 static void r300ColorMask(GLcontext* ctx,
528 GLboolean r, GLboolean g, GLboolean b, GLboolean a)
529 {
530 r300ContextPtr r300 = R300_CONTEXT(ctx);
531 int mask = (b << 0) | (g << 1) | (r << 2) | (a << 3);
532
533 if (mask != r300->hw.cmk.cmd[R300_CMK_COLORMASK]) {
534 R300_STATECHANGE(r300, cmk);
535 r300->hw.cmk.cmd[R300_CMK_COLORMASK] = mask;
536 }
537 }
538
539 /* =============================================================
540 * Point state
541 */
542 static void r300PointSize(GLcontext * ctx, GLfloat size)
543 {
544 r300ContextPtr r300 = R300_CONTEXT(ctx);
545
546 /* This might need fixing later */
547 R300_STATECHANGE(r300, vps);
548 r300->hw.vps.cmd[R300_VPS_POINTSIZE] = r300PackFloat32(1.0);
549 }
550
551 /* =============================================================
552 * Window position and viewport transformation
553 */
554
555 /*
556 * To correctly position primitives:
557 */
558 #define SUBPIXEL_X 0.125
559 #define SUBPIXEL_Y 0.125
560
561 void r300UpdateWindow(GLcontext * ctx)
562 {
563 r300ContextPtr rmesa = R300_CONTEXT(ctx);
564 __DRIdrawablePrivate *dPriv = rmesa->radeon.dri.drawable;
565 GLfloat xoffset = dPriv ? (GLfloat) dPriv->x : 0;
566 GLfloat yoffset = dPriv ? (GLfloat) dPriv->y + dPriv->h : 0;
567 const GLfloat *v = ctx->Viewport._WindowMap.m;
568
569 GLfloat sx = v[MAT_SX];
570 GLfloat tx = v[MAT_TX] + xoffset + SUBPIXEL_X;
571 GLfloat sy = -v[MAT_SY];
572 GLfloat ty = (-v[MAT_TY]) + yoffset + SUBPIXEL_Y;
573 GLfloat sz = v[MAT_SZ] * rmesa->state.depth.scale;
574 GLfloat tz = v[MAT_TZ] * rmesa->state.depth.scale;
575
576 R300_FIREVERTICES(rmesa);
577 R300_STATECHANGE(rmesa, vpt);
578
579 rmesa->hw.vpt.cmd[R300_VPT_XSCALE] = r300PackFloat32(sx);
580 rmesa->hw.vpt.cmd[R300_VPT_XOFFSET] = r300PackFloat32(tx);
581 rmesa->hw.vpt.cmd[R300_VPT_YSCALE] = r300PackFloat32(sy);
582 rmesa->hw.vpt.cmd[R300_VPT_YOFFSET] = r300PackFloat32(ty);
583 rmesa->hw.vpt.cmd[R300_VPT_ZSCALE] = r300PackFloat32(sz);
584 rmesa->hw.vpt.cmd[R300_VPT_ZOFFSET] = r300PackFloat32(tz);
585 }
586
587 static void r300Viewport(GLcontext * ctx, GLint x, GLint y,
588 GLsizei width, GLsizei height)
589 {
590 /* Don't pipeline viewport changes, conflict with window offset
591 * setting below. Could apply deltas to rescue pipelined viewport
592 * values, or keep the originals hanging around.
593 */
594 R200_FIREVERTICES(R200_CONTEXT(ctx));
595 r300UpdateWindow(ctx);
596 }
597
598 static void r300DepthRange(GLcontext * ctx, GLclampd nearval, GLclampd farval)
599 {
600 r300UpdateWindow(ctx);
601 }
602
603 /* Routing and texture-related */
604
605 void r300_setup_routing(GLcontext *ctx, GLboolean immediate)
606 {
607 int i, count=0,reg=0;
608 GLuint dw, mask;
609 TNLcontext *tnl = TNL_CONTEXT(ctx);
610 struct vertex_buffer *VB = &tnl->vb;
611 r300ContextPtr r300 = R300_CONTEXT(ctx);
612
613
614 /* Stage 1 - input to VAP */
615
616 /* Assign register number automatically, retaining it in rmesa->state.reg */
617
618 /* Note: immediate vertex data includes all coordinates.
619 To save bandwidth use either VBUF or state-based vertex generation */
620
621 #define CONFIGURE_AOS(v, o, r, f) \
622 {\
623 if(immediate){ \
624 r300->state.aos[count].element_size=4; \
625 r300->state.aos[count].stride=4; \
626 r300->state.aos[count].ncomponents=4; \
627 } else { \
628 r300->state.aos[count].element_size=v->size; \
629 r300->state.aos[count].stride=v->size; \
630 r300->state.aos[count].ncomponents=v->size; \
631 } \
632 r300->state.aos[count].offset=o; \
633 r300->state.aos[count].reg=reg; \
634 r300->state.aos[count].format=(f); \
635 r300->state.vap_reg.r=reg; \
636 count++; \
637 reg++; \
638 }
639
640 /* All offsets are 0 - for use by immediate mode.
641 Should change later to handle vertex buffers */
642 CONFIGURE_AOS(VB->ObjPtr, 0, i_coords, AOS_FORMAT_FLOAT);
643 CONFIGURE_AOS(VB->ColorPtr[0], 0, i_color[0], AOS_FORMAT_FLOAT_COLOR);
644 for(i=0;i < ctx->Const.MaxTextureUnits;i++)
645 if(ctx->Texture.Unit[i].Enabled)
646 CONFIGURE_AOS(VB->TexCoordPtr[i], 0, i_tex[i], AOS_FORMAT_FLOAT);
647
648 r300->state.aos_count=count;
649
650 if (RADEON_DEBUG & DEBUG_STATE)
651 fprintf(stderr, "aos_count=%d\n", count);
652
653 if(count>R300_MAX_AOS_ARRAYS){
654 fprintf(stderr, "Aieee ! AOS array count exceeded !\n");
655 exit(-1);
656 }
657
658 /* Implement AOS */
659
660 /* setup INPUT_ROUTE */
661 R300_STATECHANGE(r300, vir[0]);
662 for(i=0;i+1<count;i+=2){
663 dw=(r300->state.aos[i].ncomponents-1)
664 | ((r300->state.aos[i].reg)<<8)
665 | (r300->state.aos[i].format<<14)
666 | (((r300->state.aos[i+1].ncomponents-1)
667 | ((r300->state.aos[i+1].reg)<<8)
668 | (r300->state.aos[i+1].format<<14))<<16);
669
670 if(i+2==count){
671 dw|=(1<<(13+16));
672 }
673 r300->hw.vir[0].cmd[R300_VIR_CNTL_0+(i>>1)]=dw;
674 }
675 if(count & 1){
676 dw=(r300->state.aos[count-1].ncomponents-1)
677 | (r300->state.aos[count-1].format<<14)
678 | ((r300->state.aos[count-1].reg)<<8)
679 | (1<<13);
680 r300->hw.vir[0].cmd[R300_VIR_CNTL_0+(count>>1)]=dw;
681 //fprintf(stderr, "vir0 dw=%08x\n", dw);
682 }
683 /* Set the rest of INPUT_ROUTE_0 to 0 */
684 //for(i=((count+1)>>1); i<8; i++)r300->hw.vir[0].cmd[R300_VIR_CNTL_0+i]=(0x0);
685 ((drm_r300_cmd_header_t*)r300->hw.vir[0].cmd)->unchecked_state.count = (count+1)>>1;
686
687
688 /* Mesa assumes that all missing components are from (0, 0, 0, 1) */
689 #define ALL_COMPONENTS ((R300_INPUT_ROUTE_SELECT_X<<R300_INPUT_ROUTE_X_SHIFT) \
690 | (R300_INPUT_ROUTE_SELECT_Y<<R300_INPUT_ROUTE_Y_SHIFT) \
691 | (R300_INPUT_ROUTE_SELECT_Z<<R300_INPUT_ROUTE_Z_SHIFT) \
692 | (R300_INPUT_ROUTE_SELECT_W<<R300_INPUT_ROUTE_W_SHIFT))
693
694 #define ALL_DEFAULT ((R300_INPUT_ROUTE_SELECT_ZERO<<R300_INPUT_ROUTE_X_SHIFT) \
695 | (R300_INPUT_ROUTE_SELECT_ZERO<<R300_INPUT_ROUTE_Y_SHIFT) \
696 | (R300_INPUT_ROUTE_SELECT_ZERO<<R300_INPUT_ROUTE_Z_SHIFT) \
697 | (R300_INPUT_ROUTE_SELECT_ONE<<R300_INPUT_ROUTE_W_SHIFT))
698
699 R300_STATECHANGE(r300, vir[1]);
700
701 for(i=0;i+1<count;i+=2){
702 /* do i first.. */
703 mask=(1<<(r300->state.aos[i].ncomponents*3))-1;
704 dw=(ALL_COMPONENTS & mask)
705 | (ALL_DEFAULT & ~mask)
706 | R300_INPUT_ROUTE_ENABLE;
707
708 /* i+1 */
709 mask=(1<<(r300->state.aos[i+1].ncomponents*3))-1;
710 dw|=(
711 (ALL_COMPONENTS & mask)
712 | (ALL_DEFAULT & ~mask)
713 | R300_INPUT_ROUTE_ENABLE
714 )<<16;
715
716 r300->hw.vir[1].cmd[R300_VIR_CNTL_0+(i>>1)]=dw;
717 }
718 if(count & 1){
719 mask=(1<<(r300->state.aos[count-1].ncomponents*3))-1;
720 dw=(ALL_COMPONENTS & mask)
721 | (ALL_DEFAULT & ~mask)
722 | R300_INPUT_ROUTE_ENABLE;
723 r300->hw.vir[1].cmd[R300_VIR_CNTL_0+(count>>1)]=dw;
724 //fprintf(stderr, "vir1 dw=%08x\n", dw);
725 }
726 /* Set the rest of INPUT_ROUTE_1 to 0 */
727 //for(i=((count+1)>>1); i<8; i++)r300->hw.vir[1].cmd[R300_VIR_CNTL_0+i]=0x0;
728 ((drm_r300_cmd_header_t*)r300->hw.vir[1].cmd)->unchecked_state.count = (count+1)>>1;
729
730 /* Set up input_cntl */
731
732 R300_STATECHANGE(r300, vic);
733 r300->hw.vic.cmd[R300_VIC_CNTL_0]=0x5555; /* Hard coded value, no idea what it means */
734
735 r300->hw.vic.cmd[R300_VIC_CNTL_1]=R300_INPUT_CNTL_POS
736 | R300_INPUT_CNTL_COLOR;
737
738 for(i=0;i < ctx->Const.MaxTextureUnits;i++)
739 if(ctx->Texture.Unit[i].Enabled)
740 r300->hw.vic.cmd[R300_VIC_CNTL_1]|=(R300_INPUT_CNTL_TC0<<i);
741
742 /* Stage 3: VAP output */
743 R300_STATECHANGE(r300, vof);
744 r300->hw.vof.cmd[R300_VOF_CNTL_0]=R300_VAP_OUTPUT_VTX_FMT_0__POS_PRESENT
745 | R300_VAP_OUTPUT_VTX_FMT_0__COLOR_PRESENT;
746
747 r300->hw.vof.cmd[R300_VOF_CNTL_1]=0;
748 for(i=0;i < ctx->Const.MaxTextureUnits;i++)
749 if(ctx->Texture.Unit[i].Enabled)
750 r300->hw.vof.cmd[R300_VOF_CNTL_1]|=(4<<(3*i));
751
752 }
753
754 static r300TexObj default_tex_obj={
755 filter:R300_TX_MAG_FILTER_LINEAR | R300_TX_MIN_FILTER_LINEAR,
756 pitch: 0x8000,
757 size: (0xff << R300_TX_WIDTHMASK_SHIFT)
758 | (0xff << R300_TX_HEIGHTMASK_SHIFT)
759 | (0x8 << R300_TX_SIZE_SHIFT),
760 format: 0x88a0c,
761 offset: 0x0,
762 unknown4: 0x0,
763 unknown5: 0x0
764 };
765
766 /* there is probably a system to these value, but, for now,
767 we just try by hand */
768
769 static int inline translate_src(int src)
770 {
771 switch (src) {
772 case GL_TEXTURE:
773 return 1;
774 break;
775 case GL_CONSTANT:
776 return 2;
777 break;
778 case GL_PRIMARY_COLOR:
779 return 3;
780 break;
781 case GL_PREVIOUS:
782 return 4;
783 break;
784 case GL_ZERO:
785 return 5;
786 break;
787 case GL_ONE:
788 return 6;
789 break;
790 default:
791 return 0;
792 }
793 }
794
795 /* I think 357 and 457 are prime numbers.. wiggle them if you get coincidences */
796 #define FORMAT_HASH(opRGB, srcRGB, modeRGB, opA, srcA, modeA, format, intFormat) ( \
797 (\
798 ((opRGB)<<30) | ((opA)<<28) | \
799 ((srcRGB)<< 25) | ((srcA)<<22) | \
800 ((modeRGB)) \
801 ) \
802 ^ ((modeA)*357) \
803 ^ (((format)) *457) \
804 ^ ((intFormat) * 7) \
805 )
806
807 static GLuint translate_texture_format(GLcontext *ctx, GLint tex_unit, GLuint format, GLint IntFormat)
808 {
809 const struct gl_texture_unit *texUnit= &ctx->Texture.Unit[tex_unit];
810 int i=0; /* number of alpha args .. */
811
812 /* Size field in format specific first */
813 switch(FORMAT_HASH(
814 texUnit->_CurrentCombine->OperandRGB[i] -GL_SRC_COLOR,
815 translate_src(texUnit->_CurrentCombine->SourceRGB[i]),
816 texUnit->_CurrentCombine->ModeRGB,
817 texUnit->_CurrentCombine->OperandA[i] -GL_SRC_ALPHA,
818 translate_src(texUnit->_CurrentCombine->SourceA[i]),
819 texUnit->_CurrentCombine->ModeA,
820 format,
821 IntFormat
822 )){
823 case FORMAT_HASH(0, 1, 0x2100, 0, 1, 0x2100, 0x00088047, 0x1908):
824 /* tested with:
825 kfiresaver.kss
826 */
827 return 0x7a0c; /* kfiresaver.kss */
828 case FORMAT_HASH(0, 1, 0x2100, 0, 1, 0x2100, 0x00088047, 0x8058):
829 /* tested with:
830 Quake3demo
831 */
832 return 0x8a0c; /* Quake3demo -small font on the bottom */
833 case FORMAT_HASH(0, 1, 0x2100, 0, 1, 0x2100, 0x00077047, 4):
834 /* tested with:
835 kfiresaver.kss
836 */
837 return 0x4ba0c;
838 case FORMAT_HASH(0, 1, 0x2100, 0, 1, 0x2100, 0x00055047, 4):
839 /* tested with:
840 kfiresaver.kss
841 kfountain.kss
842 */
843 return 0x51a0c;
844 case FORMAT_HASH(0, 1, 0x2100, 0, 4, 0x1e01, 0x00088047, 3):
845 /* tested with
846 lesson 06
847 lesson 07
848 */
849 return 0x53a0c;
850 case FORMAT_HASH(0, 1, 0x2100, 0, 4, 0x1e01, 0x00077047, 0x00000003):
851 /* Tested with NeHe lesson 08 */
852 return 0x53a0c;
853 //case FORMAT_HASH(0, 1, 0x2100, 0, 4, 0x1e01, 0x00055047, 0):
854 /* Can't remember what I tested this with..
855 try putting return 0 of you see broken textures which
856 are not being complained about */
857 return 0x53a0c;
858 case FORMAT_HASH(0, 1, 0x2100, 0, 4, 0x1e01, 0x00099047, 0x8051):
859 //case FORMAT_HASH(0, 1, 0x2100, 0, 4, 0x1e01, 0x00089047, 0x8058):
860 case FORMAT_HASH(0, 1, 0x2100, 0, 4, 0x1e01, 0x00077047, 0x8051):
861 /* Tested with:
862 Quake3demo
863 */
864 return 0x53a0c;
865 case FORMAT_HASH(0, 1, 0x2100, 0, 1, 0x2100, 0x00055045, 0x00008056):
866 case FORMAT_HASH(0, 1, 0x2100, 0, 1, 0x2100, 0x00088045, 0x00008056):
867 return 0x53a23;
868 case FORMAT_HASH(0, 1, 0x2100, 0, 4, 0x1e01, 0x00099004, 0x00008050):
869 return 0;
870 return 0x2a0b;
871 }
872 // return 0x53a0c;
873
874 /* Just key on internal format - useful for quick tryouts*/
875
876 return 0;
877 #if 1
878 switch(IntFormat
879 ){
880 case 0x3:
881 return 0x53a0c;
882 case 0x8050:
883 return 0x2a0b;
884 case 0x8056:
885
886 return 0x53a23;
887 case 0x8058:
888 return 0;
889 return 0x8a0c;
890 //fprintf(stderr, "%08x\n", format);
891 /* Tested with:
892 Quake3demo
893 */
894 return 0x53a0c;
895 default:
896 return 0x53a0c;
897 }
898 #endif
899
900
901
902 {
903 static int warn_once=1;
904 if(warn_once){
905 fprintf(stderr, "%s:%s Do not know how to translate texture format - help me !\n",
906 __FILE__, __FUNCTION__);
907 warn_once=0;
908 }
909 }
910 return 0;
911 }
912
913 void r300_setup_textures(GLcontext *ctx)
914 {
915 int i, mtu;
916 struct r300_tex_obj *t;
917 r300ContextPtr r300 = R300_CONTEXT(ctx);
918 int max_texture_unit=-1; /* -1 translates into no setup costs for fields */
919 struct gl_texture_unit *texUnit;
920
921 R300_STATECHANGE(r300, txe);
922 R300_STATECHANGE(r300, tex.filter);
923 R300_STATECHANGE(r300, tex.unknown1);
924 R300_STATECHANGE(r300, tex.size);
925 R300_STATECHANGE(r300, tex.format);
926 R300_STATECHANGE(r300, tex.offset);
927 R300_STATECHANGE(r300, tex.unknown4);
928 R300_STATECHANGE(r300, tex.unknown5);
929
930 r300->state.texture.tc_count=0;
931
932 r300->hw.txe.cmd[R300_TXE_ENABLE]=0x0;
933
934 mtu = r300->radeon.glCtx->Const.MaxTextureUnits;
935 if (RADEON_DEBUG & DEBUG_STATE)
936 fprintf(stderr, "mtu=%d\n", mtu);
937
938 if(mtu>R300_MAX_TEXTURE_UNITS){
939 fprintf(stderr, "Aiiee ! mtu=%d is greater than R300_MAX_TEXTURE_UNITS=%d\n",
940 mtu, R300_MAX_TEXTURE_UNITS);
941 exit(-1);
942 }
943 for(i=0;i<mtu;i++){
944 if(ctx->Texture.Unit[i].Enabled){
945 t=r300->state.texture.unit[i].texobj;
946 r300->state.texture.tc_count++;
947 if(t==NULL){
948 fprintf(stderr, "Texture unit %d enabled, but corresponding texobj is NULL, using default object.\n", i);
949 //exit(-1);
950 t=&default_tex_obj;
951 }
952 if (RADEON_DEBUG & DEBUG_STATE)
953 fprintf(stderr, "Activating texture unit %d\n", i);
954 max_texture_unit=i;
955 r300->hw.txe.cmd[R300_TXE_ENABLE]|=(1<<i);
956
957 r300->hw.tex.filter.cmd[R300_TEX_VALUE_0+i]=t->filter;
958 r300->hw.tex.unknown1.cmd[R300_TEX_VALUE_0+i]=t->pitch;
959 r300->hw.tex.size.cmd[R300_TEX_VALUE_0+i]=t->size;
960 r300->hw.tex.format.cmd[R300_TEX_VALUE_0+i]=t->format;
961 r300->hw.tex.offset.cmd[R300_TEX_VALUE_0+i]=r300->radeon.radeonScreen->fbLocation+t->offset;
962 r300->hw.tex.unknown4.cmd[R300_TEX_VALUE_0+i]=0x0;
963 r300->hw.tex.unknown5.cmd[R300_TEX_VALUE_0+i]=0x0;
964
965
966
967 /* We don't know how to set this yet */
968 //value from r300_lib.c for RGB24
969 //r300->hw.tex.format.cmd[R300_TEX_VALUE_0+i]=0x88a0c;
970 r300->hw.tex.format.cmd[R300_TEX_VALUE_0+i]=translate_texture_format(ctx, i, t->format,
971 r300->state.texture.unit[i].texobj!=NULL?t->base.tObj->Image[0][0]->IntFormat:3);
972 /* Use the code below to quickly find matching texture
973 formats. Requires an app that displays the same texture
974 repeatedly */
975 #if 1
976 if(r300->hw.tex.format.cmd[R300_TEX_VALUE_0+i]==0){
977 static int fmt=0x0;
978 static int k=0;
979 k++;
980 if(k>400){
981 k=0;
982 fmt++;
983 texUnit = &ctx->Texture.Unit[i];
984 fprintf(stderr, "Want to set FORMAT_HASH(%d, %d, 0x%04x, %d, %d, 0x%04x, 0x%08x, 0x%08x)\n",
985 texUnit->_CurrentCombine->OperandRGB[0] -GL_SRC_COLOR,
986 translate_src(texUnit->_CurrentCombine->SourceRGB[0]),
987 texUnit->_CurrentCombine->ModeRGB,
988 texUnit->_CurrentCombine->OperandA[0] -GL_SRC_ALPHA,
989 translate_src(texUnit->_CurrentCombine->SourceA[0]),
990 texUnit->_CurrentCombine->ModeA,
991 t->format,
992 t->base.tObj->Image[0][0]->IntFormat
993 );
994 fprintf(stderr, "Also known: format_x=%08x border_color=%08x cubic_faces=%08x\n", t->format_x, t->pp_border_color, t->pp_cubic_faces);
995 fprintf(stderr, "\t_ReallyEnabled=%08x EnvMode=%08x IntFormat=%08x\n", texUnit->_ReallyEnabled, texUnit->EnvMode, t->base.tObj->Image[0][0]->IntFormat);
996 if(fmt>0xff){
997 //exit(-1);
998 fmt=0;
999 }
1000 //sleep(1);
1001 fprintf(stderr, "Now trying format %08x\n",
1002 0x00a0c | (fmt<<12));
1003 fprintf(stderr, "size=%08x\n", t->size);
1004 }
1005 r300->hw.tex.format.cmd[R300_TEX_VALUE_0+i]=0x00a0c | (fmt<<12);
1006 //r300->hw.tex.format.cmd[R300_TEX_VALUE_0+i]=0x51a00 | (fmt);
1007 //r300->hw.tex.format.cmd[R300_TEX_VALUE_0+i]=0x53a0c | (fmt<<24);
1008 }
1009 #endif
1010
1011 }
1012
1013 }
1014 ((drm_r300_cmd_header_t*)r300->hw.tex.filter.cmd)->unchecked_state.count = max_texture_unit+1;
1015 ((drm_r300_cmd_header_t*)r300->hw.tex.unknown1.cmd)->unchecked_state.count = max_texture_unit+1;
1016 ((drm_r300_cmd_header_t*)r300->hw.tex.size.cmd)->unchecked_state.count = max_texture_unit+1;
1017 ((drm_r300_cmd_header_t*)r300->hw.tex.format.cmd)->unchecked_state.count = max_texture_unit+1;
1018 ((drm_r300_cmd_header_t*)r300->hw.tex.offset.cmd)->unchecked_state.count = max_texture_unit+1;
1019 ((drm_r300_cmd_header_t*)r300->hw.tex.unknown4.cmd)->unchecked_state.count = max_texture_unit+1;
1020 ((drm_r300_cmd_header_t*)r300->hw.tex.unknown5.cmd)->unchecked_state.count = max_texture_unit+1;
1021
1022 if (RADEON_DEBUG & DEBUG_STATE)
1023 fprintf(stderr, "TX_ENABLE: %08x max_texture_unit=%d\n", r300->hw.txe.cmd[R300_TXE_ENABLE], max_texture_unit);
1024 }
1025
1026 void r300_setup_rs_unit(GLcontext *ctx)
1027 {
1028 r300ContextPtr r300 = R300_CONTEXT(ctx);
1029 int i;
1030
1031 /* This needs to be rewritten - it is a hack at best */
1032
1033 R300_STATECHANGE(r300, ri);
1034 R300_STATECHANGE(r300, rc);
1035 R300_STATECHANGE(r300, rr);
1036
1037 for(i = 1; i <= 8; ++i)
1038 r300->hw.ri.cmd[i] = 0x00d10000;
1039 r300->hw.ri.cmd[R300_RI_INTERP_1] |= R300_RS_INTERP_1_UNKNOWN;
1040 r300->hw.ri.cmd[R300_RI_INTERP_2] |= R300_RS_INTERP_2_UNKNOWN;
1041 r300->hw.ri.cmd[R300_RI_INTERP_3] |= R300_RS_INTERP_3_UNKNOWN;
1042
1043 for(i = 1; i <= 8; ++i)
1044 r300->hw.rr.cmd[i] = 0;
1045 /* textures enabled ? */
1046 if(r300->state.texture.tc_count>0){
1047
1048 /* This code only really works with one set of texture coordinates */
1049
1050 /* The second constant is needed to get glxgears display anything .. */
1051 r300->hw.rc.cmd[1] = R300_RS_CNTL_0_UNKNOWN_7
1052 | R300_RS_CNTL_0_UNKNOWN_18
1053 | (r300->state.texture.tc_count<<R300_RS_CNTL_TC_CNT_SHIFT);
1054 r300->hw.rc.cmd[2] = 0xc0;
1055
1056
1057 ((drm_r300_cmd_header_t*)r300->hw.rr.cmd)->unchecked_state.count = 1;
1058 r300->hw.rr.cmd[R300_RR_ROUTE_0] = 0x24008;
1059
1060 } else {
1061
1062 /* The second constant is needed to get glxgears display anything .. */
1063 r300->hw.rc.cmd[1] = R300_RS_CNTL_0_UNKNOWN_7 | R300_RS_CNTL_0_UNKNOWN_18;
1064 r300->hw.rc.cmd[2] = 0;
1065
1066 ((drm_r300_cmd_header_t*)r300->hw.rr.cmd)->unchecked_state.count = 1;
1067 r300->hw.rr.cmd[R300_RR_ROUTE_0] = 0x4000;
1068
1069 }
1070 }
1071
1072 #define vpucount(ptr) (((drm_r300_cmd_header_t*)(ptr))->vpu.count)
1073
1074 #define bump_vpu_count(ptr, new_count) do{\
1075 drm_r300_cmd_header_t* _p=((drm_r300_cmd_header_t*)(ptr));\
1076 int _nc=(new_count)/4; \
1077 if(_nc>_p->vpu.count)_p->vpu.count=_nc;\
1078 }while(0)
1079
1080 void static inline setup_vertex_shader_fragment(r300ContextPtr r300, int dest, struct r300_vertex_shader_fragment *vsf)
1081 {
1082 int i;
1083
1084 if(vsf->length==0)return;
1085
1086 if(vsf->length & 0x3){
1087 fprintf(stderr,"VERTEX_SHADER_FRAGMENT must have length divisible by 4\n");
1088 exit(-1);
1089 }
1090
1091 switch((dest>>8) & 0xf){
1092 case 0:
1093 R300_STATECHANGE(r300, vpi);
1094 for(i=0;i<vsf->length;i++)
1095 r300->hw.vpi.cmd[R300_VPI_INSTR_0+i+4*(dest & 0xff)]=(vsf->body.d[i]);
1096 bump_vpu_count(r300->hw.vpi.cmd, vsf->length+4*(dest & 0xff));
1097 break;
1098
1099 case 2:
1100 R300_STATECHANGE(r300, vpp);
1101 for(i=0;i<vsf->length;i++)
1102 r300->hw.vpp.cmd[R300_VPP_PARAM_0+i+4*(dest & 0xff)]=(vsf->body.d[i]);
1103 bump_vpu_count(r300->hw.vpp.cmd, vsf->length+4*(dest & 0xff));
1104 break;
1105 case 4:
1106 R300_STATECHANGE(r300, vps);
1107 for(i=0;i<vsf->length;i++)
1108 r300->hw.vps.cmd[1+i+4*(dest & 0xff)]=(vsf->body.d[i]);
1109 bump_vpu_count(r300->hw.vps.cmd, vsf->length+4*(dest & 0xff));
1110 break;
1111 default:
1112 fprintf(stderr, "%s:%s don't know how to handle dest %04x\n", __FILE__, __FUNCTION__, dest);
1113 exit(-1);
1114 }
1115 }
1116
1117
1118 void r300SetupVertexShader(r300ContextPtr rmesa)
1119 {
1120 GLcontext* ctx = rmesa->radeon.glCtx;
1121
1122 /* Reset state, in case we don't use something */
1123 ((drm_r300_cmd_header_t*)rmesa->hw.vpp.cmd)->vpu.count = 0;
1124 ((drm_r300_cmd_header_t*)rmesa->hw.vpi.cmd)->vpu.count = 0;
1125 ((drm_r300_cmd_header_t*)rmesa->hw.vps.cmd)->vpu.count = 0;
1126
1127
1128 /* This needs to be replaced by vertex shader generation code */
1129
1130
1131 /* textures enabled ? */
1132 if(rmesa->state.texture.tc_count>0){
1133 rmesa->state.vertex_shader=SINGLE_TEXTURE_VERTEX_SHADER;
1134 } else {
1135 rmesa->state.vertex_shader=FLAT_COLOR_VERTEX_SHADER;
1136 }
1137
1138
1139 rmesa->state.vertex_shader.matrix[0].length=16;
1140 memcpy(rmesa->state.vertex_shader.matrix[0].body.f, ctx->_ModelProjectMatrix.m, 16*4);
1141
1142 setup_vertex_shader_fragment(rmesa, VSF_DEST_PROGRAM, &(rmesa->state.vertex_shader.program));
1143
1144 setup_vertex_shader_fragment(rmesa, VSF_DEST_MATRIX0, &(rmesa->state.vertex_shader.matrix[0]));
1145 #if 0
1146 setup_vertex_shader_fragment(rmesa, VSF_DEST_MATRIX1, &(rmesa->state.vertex_shader.matrix[0]));
1147 setup_vertex_shader_fragment(rmesa, VSF_DEST_MATRIX2, &(rmesa->state.vertex_shader.matrix[0]));
1148
1149 setup_vertex_shader_fragment(rmesa, VSF_DEST_VECTOR0, &(rmesa->state.vertex_shader.vector[0]));
1150 setup_vertex_shader_fragment(rmesa, VSF_DEST_VECTOR1, &(rmesa->state.vertex_shader.vector[1]));
1151 #endif
1152
1153 #if 0
1154 setup_vertex_shader_fragment(rmesa, VSF_DEST_UNKNOWN1, &(rmesa->state.vertex_shader.unknown1));
1155 setup_vertex_shader_fragment(rmesa, VSF_DEST_UNKNOWN2, &(rmesa->state.vertex_shader.unknown2));
1156 #endif
1157
1158 R300_STATECHANGE(rmesa, pvs);
1159 rmesa->hw.pvs.cmd[R300_PVS_CNTL_1]=(rmesa->state.vertex_shader.program_start << R300_PVS_CNTL_1_PROGRAM_START_SHIFT)
1160 | (rmesa->state.vertex_shader.unknown_ptr1 << R300_PVS_CNTL_1_UNKNOWN_SHIFT)
1161 | (rmesa->state.vertex_shader.program_end << R300_PVS_CNTL_1_PROGRAM_END_SHIFT);
1162 rmesa->hw.pvs.cmd[R300_PVS_CNTL_2]=(rmesa->state.vertex_shader.param_offset << R300_PVS_CNTL_2_PARAM_OFFSET_SHIFT)
1163 | (rmesa->state.vertex_shader.param_count << R300_PVS_CNTL_2_PARAM_COUNT_SHIFT);
1164 rmesa->hw.pvs.cmd[R300_PVS_CNTL_3]=(rmesa->state.vertex_shader.unknown_ptr2 << R300_PVS_CNTL_3_PROGRAM_UNKNOWN_SHIFT)
1165 | (rmesa->state.vertex_shader.unknown_ptr3 << 0);
1166
1167 /* This is done for vertex shader fragments, but also needs to be done for vap_pvs,
1168 so I leave it as a reminder */
1169 #if 0
1170 reg_start(R300_VAP_PVS_WAITIDLE,0);
1171 e32(0x00000000);
1172 #endif
1173 }
1174
1175 void r300SetupPixelShader(r300ContextPtr rmesa)
1176 {
1177 int i,k;
1178
1179 /* This needs to be replaced by pixel shader generation code */
1180
1181 /* textures enabled ? */
1182 if(rmesa->state.texture.tc_count>0){
1183 rmesa->state.pixel_shader=SINGLE_TEXTURE_PIXEL_SHADER;
1184 } else {
1185 rmesa->state.pixel_shader=FLAT_COLOR_PIXEL_SHADER;
1186 }
1187
1188 R300_STATECHANGE(rmesa, fpt);
1189 for(i=0;i<rmesa->state.pixel_shader.program.tex.length;i++)
1190 rmesa->hw.fpt.cmd[R300_FPT_INSTR_0+i]=rmesa->state.pixel_shader.program.tex.inst[i];
1191 rmesa->hw.fpt.cmd[R300_FPT_CMD_0]=cmducs(R300_PFS_TEXI_0, rmesa->state.pixel_shader.program.tex.length);
1192
1193 #define OUTPUT_FIELD(st, reg, field) \
1194 R300_STATECHANGE(rmesa, st); \
1195 for(i=0;i<rmesa->state.pixel_shader.program.alu.length;i++) \
1196 rmesa->hw.st.cmd[R300_FPI_INSTR_0+i]=rmesa->state.pixel_shader.program.alu.inst[i].field;\
1197 rmesa->hw.st.cmd[R300_FPI_CMD_0]=cmducs(reg, rmesa->state.pixel_shader.program.alu.length);
1198
1199 OUTPUT_FIELD(fpi[0], R300_PFS_INSTR0_0, inst0);
1200 OUTPUT_FIELD(fpi[1], R300_PFS_INSTR1_0, inst1);
1201 OUTPUT_FIELD(fpi[2], R300_PFS_INSTR2_0, inst2);
1202 OUTPUT_FIELD(fpi[3], R300_PFS_INSTR3_0, inst3);
1203 #undef OUTPUT_FIELD
1204
1205 R300_STATECHANGE(rmesa, fp);
1206 for(i=0;i<4;i++){
1207 rmesa->hw.fp.cmd[R300_FP_NODE0+i]=
1208 (rmesa->state.pixel_shader.program.node[i].alu_offset << R300_PFS_NODE_ALU_OFFSET_SHIFT)
1209 | (rmesa->state.pixel_shader.program.node[i].alu_end << R300_PFS_NODE_ALU_END_SHIFT)
1210 | (rmesa->state.pixel_shader.program.node[i].tex_offset << R300_PFS_NODE_TEX_OFFSET_SHIFT)
1211 | (rmesa->state.pixel_shader.program.node[i].tex_end << R300_PFS_NODE_TEX_END_SHIFT)
1212 | ( (i==3) ? R300_PFS_NODE_LAST_NODE : 0);
1213 }
1214
1215 /* PFS_CNTL_0 */
1216 rmesa->hw.fp.cmd[R300_FP_CNTL0]=
1217 (rmesa->state.pixel_shader.program.active_nodes-1)
1218 | (rmesa->state.pixel_shader.program.first_node_has_tex<<3);
1219 /* PFS_CNTL_1 */
1220 rmesa->hw.fp.cmd[R300_FP_CNTL1]=rmesa->state.pixel_shader.program.temp_register_count;
1221 /* PFS_CNTL_2 */
1222 rmesa->hw.fp.cmd[R300_FP_CNTL2]=
1223 (rmesa->state.pixel_shader.program.alu_offset << R300_PFS_CNTL_ALU_OFFSET_SHIFT)
1224 | (rmesa->state.pixel_shader.program.alu_end << R300_PFS_CNTL_ALU_END_SHIFT)
1225 | (rmesa->state.pixel_shader.program.tex_offset << R300_PFS_CNTL_TEX_OFFSET_SHIFT)
1226 | (rmesa->state.pixel_shader.program.tex_end << R300_PFS_CNTL_TEX_END_SHIFT);
1227
1228 R300_STATECHANGE(rmesa, fpp);
1229 for(i=0;i<rmesa->state.pixel_shader.param_length;i++){
1230 rmesa->hw.fpp.cmd[R300_FPP_PARAM_0+4*i+0]=r300PackFloat32(rmesa->state.pixel_shader.param[i].x);
1231 rmesa->hw.fpp.cmd[R300_FPP_PARAM_0+4*i+1]=r300PackFloat32(rmesa->state.pixel_shader.param[i].y);
1232 rmesa->hw.fpp.cmd[R300_FPP_PARAM_0+4*i+2]=r300PackFloat32(rmesa->state.pixel_shader.param[i].z);
1233 rmesa->hw.fpp.cmd[R300_FPP_PARAM_0+4*i+3]=r300PackFloat32(rmesa->state.pixel_shader.param[i].w);
1234 }
1235 rmesa->hw.fpp.cmd[R300_FPP_CMD_0]=cmducs(R300_PFS_PARAM_0_X, rmesa->state.pixel_shader.param_length);
1236
1237 }
1238
1239 /**
1240 * Called by Mesa after an internal state update.
1241 */
1242 static void r300InvalidateState(GLcontext * ctx, GLuint new_state)
1243 {
1244 r300ContextPtr r300 = R300_CONTEXT(ctx);
1245
1246 _swrast_InvalidateState(ctx, new_state);
1247 _swsetup_InvalidateState(ctx, new_state);
1248 _ac_InvalidateState(ctx, new_state);
1249 _tnl_InvalidateState(ctx, new_state);
1250 _ae_invalidate_state(ctx, new_state);
1251
1252 /* Go inefficiency! */
1253 r300ResetHwState(r300);
1254 }
1255
1256
1257 /**
1258 * Completely recalculates hardware state based on the Mesa state.
1259 */
1260 void r300ResetHwState(r300ContextPtr r300)
1261 {
1262 GLcontext* ctx = r300->radeon.glCtx;
1263 int i;
1264
1265 if (RADEON_DEBUG & DEBUG_STATE)
1266 fprintf(stderr, "%s\n", __FUNCTION__);
1267
1268 r300UpdateWindow(ctx);
1269
1270 r300ColorMask(ctx,
1271 ctx->Color.ColorMask[RCOMP],
1272 ctx->Color.ColorMask[GCOMP],
1273 ctx->Color.ColorMask[BCOMP],
1274 ctx->Color.ColorMask[ACOMP]);
1275
1276 r300Enable(ctx, GL_DEPTH_TEST, ctx->Depth.Test);
1277 r300DepthMask(ctx, ctx->Depth.Mask);
1278 r300DepthFunc(ctx, ctx->Depth.Func);
1279
1280 r300UpdateCulling(ctx);
1281
1282 r300_setup_routing(ctx, GL_TRUE);
1283
1284 r300UpdateTextureState(ctx);
1285 r300_setup_textures(ctx);
1286 r300_setup_rs_unit(ctx);
1287
1288 r300SetupVertexShader(r300);
1289 r300SetupPixelShader(r300);
1290
1291 r300_set_blend_state(ctx);
1292 r300AlphaFunc(ctx, ctx->Color.AlphaFunc, ctx->Color.AlphaRef);
1293
1294 //BEGIN: TODO
1295 r300->hw.unk2080.cmd[1] = 0x0030045A;
1296
1297 r300->hw.ovf.cmd[R300_OVF_FMT_0] = 0x00000003;
1298 r300->hw.ovf.cmd[R300_OVF_FMT_1] = 0x00000000;
1299
1300 r300->hw.vte.cmd[1] = R300_VPORT_X_SCALE_ENA
1301 | R300_VPORT_X_OFFSET_ENA
1302 | R300_VPORT_Y_SCALE_ENA
1303 | R300_VPORT_Y_OFFSET_ENA
1304 | R300_VPORT_Z_SCALE_ENA
1305 | R300_VPORT_Z_OFFSET_ENA
1306 | R300_VTX_W0_FMT;
1307 r300->hw.vte.cmd[2] = 0x00000008;
1308
1309 r300->hw.unk2134.cmd[1] = 0x00FFFFFF;
1310 r300->hw.unk2134.cmd[2] = 0x00000000;
1311
1312 r300->hw.unk2140.cmd[1] = 0x00000000;
1313
1314 #if 0 /* Done in setup routing */
1315 ((drm_r300_cmd_header_t*)r300->hw.vir[0].cmd)->unchecked_state.count = 1;
1316 r300->hw.vir[0].cmd[1] = 0x21030003;
1317
1318 ((drm_r300_cmd_header_t*)r300->hw.vir[1].cmd)->unchecked_state.count = 1;
1319 r300->hw.vir[1].cmd[1] = 0xF688F688;
1320
1321 r300->hw.vic.cmd[R300_VIR_CNTL_0] = 0x00000001;
1322 r300->hw.vic.cmd[R300_VIR_CNTL_1] = 0x00000405;
1323 #endif
1324
1325 r300->hw.unk21DC.cmd[1] = 0xAAAAAAAA;
1326
1327 r300->hw.unk221C.cmd[1] = R300_221C_NORMAL;
1328
1329 r300->hw.unk2220.cmd[1] = r300PackFloat32(1.0);
1330 r300->hw.unk2220.cmd[2] = r300PackFloat32(1.0);
1331 r300->hw.unk2220.cmd[3] = r300PackFloat32(1.0);
1332 r300->hw.unk2220.cmd[4] = r300PackFloat32(1.0);
1333
1334 if (GET_CHIP(r300->radeon.radeonScreen) == RADEON_CHIP_R300)
1335 r300->hw.unk2288.cmd[1] = R300_2288_R300;
1336 else
1337 r300->hw.unk2288.cmd[1] = R300_2288_RV350;
1338
1339 #if 0
1340 r300->hw.vof.cmd[R300_VOF_CNTL_0] = R300_VAP_OUTPUT_VTX_FMT_0__POS_PRESENT
1341 | R300_VAP_OUTPUT_VTX_FMT_0__COLOR_PRESENT;
1342 r300->hw.vof.cmd[R300_VOF_CNTL_1] = 0; /* no textures */
1343
1344
1345 r300->hw.pvs.cmd[R300_PVS_CNTL_1] = 0;
1346 r300->hw.pvs.cmd[R300_PVS_CNTL_2] = 0;
1347 r300->hw.pvs.cmd[R300_PVS_CNTL_3] = 0;
1348 #endif
1349
1350 r300->hw.gb_enable.cmd[1] = R300_GB_POINT_STUFF_ENABLE
1351 | R300_GB_LINE_STUFF_ENABLE
1352 | R300_GB_TRIANGLE_STUFF_ENABLE;
1353
1354 r300->hw.gb_misc.cmd[R300_GB_MISC_MSPOS_0] = 0x66666666;
1355 r300->hw.gb_misc.cmd[R300_GB_MISC_MSPOS_1] = 0x06666666;
1356 if (GET_CHIP(r300->radeon.radeonScreen) == RADEON_CHIP_R300)
1357 r300->hw.gb_misc.cmd[R300_GB_MISC_TILE_CONFIG] = R300_GB_TILE_ENABLE
1358 | R300_GB_TILE_PIPE_COUNT_R300
1359 | R300_GB_TILE_SIZE_16;
1360 else
1361 r300->hw.gb_misc.cmd[R300_GB_MISC_TILE_CONFIG] = R300_GB_TILE_ENABLE
1362 | R300_GB_TILE_PIPE_COUNT_RV300
1363 | R300_GB_TILE_SIZE_16;
1364 r300->hw.gb_misc.cmd[R300_GB_MISC_SELECT] = 0x00000000;
1365 r300->hw.gb_misc.cmd[R300_GB_MISC_AA_CONFIG] = 0x00000000; /* No antialiasing */
1366
1367 //r300->hw.txe.cmd[R300_TXE_ENABLE] = 0;
1368
1369 r300->hw.unk4200.cmd[1] = r300PackFloat32(0.0);
1370 r300->hw.unk4200.cmd[2] = r300PackFloat32(0.0);
1371 r300->hw.unk4200.cmd[3] = r300PackFloat32(1.0);
1372 r300->hw.unk4200.cmd[4] = r300PackFloat32(1.0);
1373
1374 r300->hw.unk4214.cmd[1] = 0x00050005;
1375
1376 r300->hw.ps.cmd[R300_PS_POINTSIZE] = (6 << R300_POINTSIZE_X_SHIFT) |
1377 (6 << R300_POINTSIZE_Y_SHIFT);
1378
1379 r300->hw.unk4230.cmd[1] = 0x01800000;
1380 r300->hw.unk4230.cmd[2] = 0x00020006;
1381 r300->hw.unk4230.cmd[3] = r300PackFloat32(1.0 / 192.0);
1382
1383 r300->hw.unk4260.cmd[1] = 0;
1384 r300->hw.unk4260.cmd[2] = r300PackFloat32(0.0);
1385 r300->hw.unk4260.cmd[3] = r300PackFloat32(1.0);
1386
1387 r300->hw.unk4274.cmd[1] = 0x00000002;
1388 r300->hw.unk4274.cmd[2] = 0x0003AAAA;
1389 r300->hw.unk4274.cmd[3] = 0x00000000;
1390 r300->hw.unk4274.cmd[4] = 0x00000000;
1391
1392 r300->hw.unk4288.cmd[1] = 0x00000000;
1393 r300->hw.unk4288.cmd[2] = 0x00000001;
1394 r300->hw.unk4288.cmd[3] = 0x00000000;
1395 r300->hw.unk4288.cmd[4] = 0x00000000;
1396 r300->hw.unk4288.cmd[5] = 0x00000000;
1397
1398 r300->hw.unk42A0.cmd[1] = 0x00000000;
1399
1400 r300->hw.unk42B4.cmd[1] = 0x00000000;
1401
1402 r300->hw.unk42C0.cmd[1] = 0x4B7FFFFF;
1403 r300->hw.unk42C0.cmd[2] = 0x00000000;
1404
1405
1406 r300->hw.unk43A4.cmd[1] = 0x0000001C;
1407 r300->hw.unk43A4.cmd[2] = 0x2DA49525;
1408
1409 r300->hw.unk43E8.cmd[1] = 0x00FFFFFF;
1410
1411 #if 0
1412 r300->hw.fp.cmd[R300_FP_CNTL0] = 0;
1413 r300->hw.fp.cmd[R300_FP_CNTL1] = 0;
1414 r300->hw.fp.cmd[R300_FP_CNTL2] = 0;
1415 r300->hw.fp.cmd[R300_FP_NODE0] = 0;
1416 r300->hw.fp.cmd[R300_FP_NODE1] = 0;
1417 r300->hw.fp.cmd[R300_FP_NODE2] = 0;
1418 r300->hw.fp.cmd[R300_FP_NODE3] = 0;
1419 #endif
1420
1421 r300->hw.unk46A4.cmd[1] = 0x00001B01;
1422 r300->hw.unk46A4.cmd[2] = 0x00001B0F;
1423 r300->hw.unk46A4.cmd[3] = 0x00001B0F;
1424 r300->hw.unk46A4.cmd[4] = 0x00001B0F;
1425 r300->hw.unk46A4.cmd[5] = 0x00000001;
1426
1427 #if 0
1428 for(i = 1; i <= 64; ++i) {
1429 /* create NOP instructions */
1430 r300->hw.fpi[0].cmd[i] = FP_INSTRC(MAD, FP_ARGC(SRC0C_XYZ), FP_ARGC(ONE), FP_ARGC(ZERO));
1431 r300->hw.fpi[1].cmd[i] = FP_SELC(0,XYZ,NO,FP_TMP(0),0,0);
1432 r300->hw.fpi[2].cmd[i] = FP_INSTRA(MAD, FP_ARGA(SRC0A), FP_ARGA(ONE), FP_ARGA(ZERO));
1433 r300->hw.fpi[3].cmd[i] = FP_SELA(0,W,NO,FP_TMP(0),0,0);
1434 }
1435 #endif
1436
1437 r300->hw.unk4BC0.cmd[1] = 0;
1438
1439 r300->hw.unk4BC8.cmd[1] = 0;
1440 r300->hw.unk4BC8.cmd[2] = 0;
1441 r300->hw.unk4BC8.cmd[3] = 0;
1442
1443 #if 0
1444 r300->hw.at.cmd[R300_AT_ALPHA_TEST] = 0;
1445 #endif
1446
1447 r300->hw.unk4BD8.cmd[1] = 0;
1448
1449 r300->hw.unk4E00.cmd[1] = 0;
1450
1451 #if 0
1452 r300->hw.bld.cmd[R300_BLD_CBLEND] = 0;
1453 r300->hw.bld.cmd[R300_BLD_ABLEND] = 0;
1454 #endif
1455
1456 r300->hw.unk4E10.cmd[1] = 0;
1457 r300->hw.unk4E10.cmd[2] = 0;
1458 r300->hw.unk4E10.cmd[3] = 0;
1459
1460 r300->hw.cb.cmd[R300_CB_OFFSET] =
1461 r300->radeon.radeonScreen->backOffset +
1462 r300->radeon.radeonScreen->fbLocation;
1463 r300->hw.cb.cmd[R300_CB_PITCH] = r300->radeon.radeonScreen->backPitch
1464 | R300_COLOR_UNKNOWN_22_23;
1465
1466 r300->hw.unk4E50.cmd[1] = 0;
1467 r300->hw.unk4E50.cmd[2] = 0;
1468 r300->hw.unk4E50.cmd[3] = 0;
1469 r300->hw.unk4E50.cmd[4] = 0;
1470 r300->hw.unk4E50.cmd[5] = 0;
1471 r300->hw.unk4E50.cmd[6] = 0;
1472 r300->hw.unk4E50.cmd[7] = 0;
1473 r300->hw.unk4E50.cmd[8] = 0;
1474 r300->hw.unk4E50.cmd[9] = 0;
1475
1476 r300->hw.unk4E88.cmd[1] = 0;
1477
1478 r300->hw.unk4EA0.cmd[1] = 0x00000000;
1479 r300->hw.unk4EA0.cmd[2] = 0xffffffff;
1480
1481 r300->hw.unk4F08.cmd[1] = 0x00FFFF00;
1482
1483 r300->hw.unk4F10.cmd[1] = 0x00000002; // depthbuffer format?
1484 r300->hw.unk4F10.cmd[2] = 0x00000000;
1485 r300->hw.unk4F10.cmd[3] = 0x00000003;
1486 r300->hw.unk4F10.cmd[4] = 0x00000000;
1487
1488 r300->hw.zb.cmd[R300_ZB_OFFSET] =
1489 r300->radeon.radeonScreen->depthOffset +
1490 r300->radeon.radeonScreen->fbLocation;
1491 r300->hw.zb.cmd[R300_ZB_PITCH] = r300->radeon.radeonScreen->depthPitch;
1492
1493 r300->hw.unk4F28.cmd[1] = 0;
1494
1495 r300->hw.unk4F30.cmd[1] = 0;
1496 r300->hw.unk4F30.cmd[2] = 0;
1497
1498 r300->hw.unk4F44.cmd[1] = 0;
1499
1500 r300->hw.unk4F54.cmd[1] = 0;
1501
1502 #if 0
1503 ((drm_r300_cmd_header_t*)r300->hw.vpi.cmd)->vpu.count = 0;
1504 for(i = 1; i < R300_VPI_CMDSIZE; i += 4) {
1505 /* MOV t0, t0 */
1506 r300->hw.vpi.cmd[i+0] = VP_OUT(ADD,TMP,0,XYZW);
1507 r300->hw.vpi.cmd[i+1] = VP_IN(TMP,0);
1508 r300->hw.vpi.cmd[i+2] = VP_ZERO();
1509 r300->hw.vpi.cmd[i+3] = VP_ZERO();
1510 }
1511
1512 ((drm_r300_cmd_header_t*)r300->hw.vpp.cmd)->vpu.count = 0;
1513 for(i = 1; i < R300_VPP_CMDSIZE; ++i)
1514 r300->hw.vpp.cmd[i] = 0;
1515 #endif
1516
1517 r300->hw.vps.cmd[R300_VPS_ZERO_0] = 0;
1518 r300->hw.vps.cmd[R300_VPS_ZERO_1] = 0;
1519 r300->hw.vps.cmd[R300_VPS_POINTSIZE] = r300PackFloat32(1.0);
1520 r300->hw.vps.cmd[R300_VPS_ZERO_3] = 0;
1521
1522 //END: TODO
1523
1524 r300->hw.all_dirty = GL_TRUE;
1525 }
1526
1527
1528
1529 /**
1530 * Calculate initial hardware state and register state functions.
1531 * Assumes that the command buffer and state atoms have been
1532 * initialized already.
1533 */
1534 void r300InitState(r300ContextPtr r300)
1535 {
1536 GLcontext *ctx = r300->radeon.glCtx;
1537 GLuint depth_fmt;
1538
1539 radeonInitState(&r300->radeon);
1540
1541 switch (ctx->Visual.depthBits) {
1542 case 16:
1543 r300->state.depth.scale = 1.0 / (GLfloat) 0xffff;
1544 depth_fmt = R200_DEPTH_FORMAT_16BIT_INT_Z;
1545 //r300->state.stencil.clear = 0x00000000;
1546 break;
1547 case 24:
1548 r300->state.depth.scale = 1.0 / (GLfloat) 0xffffff;
1549 depth_fmt = R200_DEPTH_FORMAT_24BIT_INT_Z;
1550 //r300->state.stencil.clear = 0xff000000;
1551 break;
1552 default:
1553 fprintf(stderr, "Error: Unsupported depth %d... exiting\n",
1554 ctx->Visual.depthBits);
1555 exit(-1);
1556 }
1557
1558 memset(&(r300->state.texture), 0, sizeof(r300->state.texture));
1559
1560 r300ResetHwState(r300);
1561 }
1562
1563
1564
1565 /**
1566 * Initialize driver's state callback functions
1567 */
1568 void r300InitStateFuncs(struct dd_function_table* functions)
1569 {
1570 radeonInitStateFuncs(functions);
1571
1572 functions->UpdateState = r300InvalidateState;
1573 //functions->AlphaFunc = r300AlphaFunc;
1574 functions->BlendColor = r300BlendColor;
1575 functions->BlendEquationSeparate = r300BlendEquationSeparate;
1576 functions->BlendFuncSeparate = r300BlendFuncSeparate;
1577 functions->Enable = r300Enable;
1578 functions->ColorMask = r300ColorMask;
1579 functions->DepthFunc = r300DepthFunc;
1580 functions->DepthMask = r300DepthMask;
1581 functions->CullFace = r300CullFace;
1582 functions->FrontFace = r300FrontFace;
1583
1584 /* Viewport related */
1585 functions->Viewport = r300Viewport;
1586 functions->DepthRange = r300DepthRange;
1587 functions->PointSize = r300PointSize;
1588 }
1589