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[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
60 static void r300AlphaFunc(GLcontext * ctx, GLenum func, GLfloat ref)
61 {
62 r300ContextPtr rmesa = R300_CONTEXT(ctx);
63 int pp_misc = rmesa->hw.at.cmd[R300_AT_ALPHA_TEST];
64 GLubyte refByte;
65
66 CLAMPED_FLOAT_TO_UBYTE(refByte, ref);
67
68 R300_STATECHANGE(rmesa, at);
69
70 pp_misc &= ~(R300_ALPHA_TEST_OP_MASK | R300_REF_ALPHA_MASK);
71 pp_misc |= (refByte & R300_REF_ALPHA_MASK);
72
73 switch (func) {
74 case GL_NEVER:
75 pp_misc |= R300_ALPHA_TEST_FAIL;
76 break;
77 case GL_LESS:
78 pp_misc |= R300_ALPHA_TEST_LESS;
79 break;
80 case GL_EQUAL:
81 pp_misc |= R300_ALPHA_TEST_EQUAL;
82 break;
83 case GL_LEQUAL:
84 pp_misc |= R300_ALPHA_TEST_LEQUAL;
85 break;
86 case GL_GREATER:
87 pp_misc |= R300_ALPHA_TEST_GREATER;
88 break;
89 case GL_NOTEQUAL:
90 pp_misc |= R300_ALPHA_TEST_NEQUAL;
91 break;
92 case GL_GEQUAL:
93 pp_misc |= R300_ALPHA_TEST_GEQUAL;
94 break;
95 case GL_ALWAYS:
96 pp_misc |= R300_ALPHA_TEST_PASS;
97 break;
98 }
99
100 rmesa->hw.at.cmd[R300_AT_ALPHA_TEST] = pp_misc;
101 }
102
103 static void r300BlendColor(GLcontext * ctx, const GLfloat cf[4])
104 {
105 GLubyte color[4];
106 r300ContextPtr rmesa = R300_CONTEXT(ctx);
107 fprintf(stderr, "%s:%s is not implemented yet. Fixme !\n", __FILE__, __FUNCTION__);
108 #if 0
109 R200_STATECHANGE(rmesa, ctx);
110 CLAMPED_FLOAT_TO_UBYTE(color[0], cf[0]);
111 CLAMPED_FLOAT_TO_UBYTE(color[1], cf[1]);
112 CLAMPED_FLOAT_TO_UBYTE(color[2], cf[2]);
113 CLAMPED_FLOAT_TO_UBYTE(color[3], cf[3]);
114 if (rmesa->radeon.radeonScreen->drmSupportsBlendColor)
115 rmesa->hw.ctx.cmd[CTX_RB3D_BLENDCOLOR] =
116 radeonPackColor(4, color[0], color[1], color[2], color[3]);
117 #endif
118 }
119
120 /**
121 * Calculate the hardware blend factor setting. This same function is used
122 * for source and destination of both alpha and RGB.
123 *
124 * \returns
125 * The hardware register value for the specified blend factor. This value
126 * will need to be shifted into the correct position for either source or
127 * destination factor.
128 *
129 * \todo
130 * Since the two cases where source and destination are handled differently
131 * are essentially error cases, they should never happen. Determine if these
132 * cases can be removed.
133 */
134 static int blend_factor(GLenum factor, GLboolean is_src)
135 {
136 int func;
137
138 switch (factor) {
139 case GL_ZERO:
140 func = R200_BLEND_GL_ZERO;
141 break;
142 case GL_ONE:
143 func = R200_BLEND_GL_ONE;
144 break;
145 case GL_DST_COLOR:
146 func = R200_BLEND_GL_DST_COLOR;
147 break;
148 case GL_ONE_MINUS_DST_COLOR:
149 func = R200_BLEND_GL_ONE_MINUS_DST_COLOR;
150 break;
151 case GL_SRC_COLOR:
152 func = R200_BLEND_GL_SRC_COLOR;
153 break;
154 case GL_ONE_MINUS_SRC_COLOR:
155 func = R200_BLEND_GL_ONE_MINUS_SRC_COLOR;
156 break;
157 case GL_SRC_ALPHA:
158 func = R200_BLEND_GL_SRC_ALPHA;
159 break;
160 case GL_ONE_MINUS_SRC_ALPHA:
161 func = R200_BLEND_GL_ONE_MINUS_SRC_ALPHA;
162 break;
163 case GL_DST_ALPHA:
164 func = R200_BLEND_GL_DST_ALPHA;
165 break;
166 case GL_ONE_MINUS_DST_ALPHA:
167 func = R200_BLEND_GL_ONE_MINUS_DST_ALPHA;
168 break;
169 case GL_SRC_ALPHA_SATURATE:
170 func =
171 (is_src) ? R200_BLEND_GL_SRC_ALPHA_SATURATE :
172 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 r300_set_blend_state(GLcontext * ctx)
203 {
204 r300ContextPtr rmesa = R300_CONTEXT(ctx);
205 #if 0
206 GLuint cntl = rmesa->hw.ctx.cmd[CTX_RB3D_CNTL] &
207 ~(R300_ROP_ENABLE | R300_ALPHA_BLEND_ENABLE |
208 R300_SEPARATE_ALPHA_ENABLE);
209 #endif
210
211 int func = (R200_BLEND_GL_ONE << R200_SRC_BLEND_SHIFT) |
212 (R200_BLEND_GL_ZERO << R200_DST_BLEND_SHIFT);
213 int eqn = R200_COMB_FCN_ADD_CLAMP;
214 int funcA = (R200_BLEND_GL_ONE << R200_SRC_BLEND_SHIFT) |
215 (R200_BLEND_GL_ZERO << R200_DST_BLEND_SHIFT);
216 int eqnA = R200_COMB_FCN_ADD_CLAMP;
217
218 R300_STATECHANGE(rmesa, bld);
219
220 if (rmesa->radeon.radeonScreen->drmSupportsBlendColor) {
221 if (ctx->Color._LogicOpEnabled) {
222 #if 0
223 rmesa->hw.ctx.cmd[CTX_RB3D_CNTL] =
224 cntl | R300_ROP_ENABLE;
225 #endif
226 rmesa->hw.bld.cmd[R300_BLD_ABLEND] = eqn | func;
227 rmesa->hw.bld.cmd[R300_BLD_CBLEND] = eqn | func;
228 return;
229 } else if (ctx->Color.BlendEnabled) {
230 #if 0
231 rmesa->hw.ctx.cmd[CTX_RB3D_CNTL] =
232 cntl | R300_ALPHA_BLEND_ENABLE |
233 R300_SEPARATE_ALPHA_ENABLE;
234 #endif
235 } else {
236 #if 0
237 rmesa->hw.ctx.cmd[CTX_RB3D_CNTL] = cntl;
238 #endif
239 rmesa->hw.bld.cmd[R300_BLD_ABLEND] = eqn | func;
240 rmesa->hw.bld.cmd[R300_BLD_CBLEND] = eqn | func;
241 return;
242 }
243 } else {
244 if (ctx->Color._LogicOpEnabled) {
245 #if 0
246 rmesa->hw.ctx.cmd[CTX_RB3D_CNTL] =
247 cntl | R300_ROP_ENABLE;
248 rmesa->hw.ctx.cmd[CTX_RB3D_BLENDCNTL] = eqn | func;
249 #endif
250 return;
251 } else if (ctx->Color.BlendEnabled) {
252 #if 0
253 rmesa->hw.ctx.cmd[CTX_RB3D_CNTL] =
254 cntl | R300_ALPHA_BLEND_ENABLE;
255 #endif
256 } else {
257 #if 0
258 rmesa->hw.ctx.cmd[CTX_RB3D_CNTL] = cntl;
259 rmesa->hw.ctx.cmd[CTX_RB3D_BLENDCNTL] = eqn | func;
260 #endif
261 return;
262 }
263 }
264
265 func =
266 (blend_factor(ctx->Color.BlendSrcRGB, GL_TRUE) <<
267 R200_SRC_BLEND_SHIFT) | (blend_factor(ctx->Color.BlendDstRGB,
268 GL_FALSE) <<
269 R200_DST_BLEND_SHIFT);
270
271 switch (ctx->Color.BlendEquationRGB) {
272 case GL_FUNC_ADD:
273 eqn = R300_COMB_FCN_ADD_CLAMP;
274 break;
275
276 case GL_FUNC_SUBTRACT:
277 eqn = R300_COMB_FCN_SUB_CLAMP;
278 break;
279
280 case GL_FUNC_REVERSE_SUBTRACT:
281 eqn = R200_COMB_FCN_RSUB_CLAMP;
282 break;
283
284 case GL_MIN:
285 eqn = R200_COMB_FCN_MIN;
286 func = (R200_BLEND_GL_ONE << R200_SRC_BLEND_SHIFT) |
287 (R200_BLEND_GL_ONE << R200_DST_BLEND_SHIFT);
288 break;
289
290 case GL_MAX:
291 eqn = R200_COMB_FCN_MAX;
292 func = (R200_BLEND_GL_ONE << R200_SRC_BLEND_SHIFT) |
293 (R200_BLEND_GL_ONE << R200_DST_BLEND_SHIFT);
294 break;
295
296 default:
297 fprintf(stderr,
298 "[%s:%u] Invalid RGB blend equation (0x%04x).\n",
299 __func__, __LINE__, ctx->Color.BlendEquationRGB);
300 return;
301 }
302
303 if (!rmesa->radeon.radeonScreen->drmSupportsBlendColor) {
304 #if 0
305 rmesa->hw.ctx.cmd[CTX_RB3D_BLENDCNTL] = eqn | func;
306 #endif
307 return;
308 }
309
310 funcA =
311 (blend_factor(ctx->Color.BlendSrcA, GL_TRUE) <<
312 R200_SRC_BLEND_SHIFT) | (blend_factor(ctx->Color.BlendDstA,
313 GL_FALSE) <<
314 R200_DST_BLEND_SHIFT);
315
316 switch (ctx->Color.BlendEquationA) {
317 case GL_FUNC_ADD:
318 eqnA = R300_COMB_FCN_ADD_CLAMP;
319 break;
320
321 case GL_FUNC_SUBTRACT:
322 eqnA = R300_COMB_FCN_SUB_CLAMP;
323 break;
324
325 case GL_FUNC_REVERSE_SUBTRACT:
326 eqnA = R200_COMB_FCN_RSUB_CLAMP;
327 break;
328
329 case GL_MIN:
330 eqnA = R200_COMB_FCN_MIN;
331 funcA = (R200_BLEND_GL_ONE << R200_SRC_BLEND_SHIFT) |
332 (R200_BLEND_GL_ONE << R200_DST_BLEND_SHIFT);
333 break;
334
335 case GL_MAX:
336 eqnA = R200_COMB_FCN_MAX;
337 funcA = (R200_BLEND_GL_ONE << R200_SRC_BLEND_SHIFT) |
338 (R200_BLEND_GL_ONE << R200_DST_BLEND_SHIFT);
339 break;
340
341 default:
342 fprintf(stderr, "[%s:%u] Invalid A blend equation (0x%04x).\n",
343 __func__, __LINE__, ctx->Color.BlendEquationA);
344 return;
345 }
346
347 rmesa->hw.bld.cmd[R300_BLD_ABLEND] = eqnA | funcA;
348 rmesa->hw.bld.cmd[R300_BLD_CBLEND] = eqn | func ;
349 if(rmesa->hw.bld.cmd[R300_BLD_ABLEND] == rmesa->hw.bld.cmd[R300_BLD_CBLEND]){
350 rmesa->hw.bld.cmd[R300_BLD_CBLEND] |= R300_BLEND_UNKNOWN | R300_BLEND_ENABLE | R300_BLEND_NO_SEPARATE;
351 } else {
352 rmesa->hw.bld.cmd[R300_BLD_CBLEND] |= R300_BLEND_UNKNOWN | R300_BLEND_ENABLE;
353 }
354
355 }
356
357 static void r300BlendEquationSeparate(GLcontext * ctx,
358 GLenum modeRGB, GLenum modeA)
359 {
360 r300_set_blend_state(ctx);
361 }
362
363 static void r300BlendFuncSeparate(GLcontext * ctx,
364 GLenum sfactorRGB, GLenum dfactorRGB,
365 GLenum sfactorA, GLenum dfactorA)
366 {
367 r300_set_blend_state(ctx);
368 }
369
370 /**
371 * Update our tracked culling state based on Mesa's state.
372 */
373 static void r300UpdateCulling(GLcontext* ctx)
374 {
375 r300ContextPtr r300 = R300_CONTEXT(ctx);
376 uint32_t val = 0;
377
378 R300_STATECHANGE(r300, cul);
379 if (ctx->Polygon.CullFlag) {
380 if (ctx->Polygon.CullFaceMode == GL_FRONT_AND_BACK)
381 val = R300_CULL_FRONT|R300_CULL_BACK;
382 else if (ctx->Polygon.CullFaceMode == GL_FRONT)
383 val = R300_CULL_FRONT;
384 else
385 val = R300_CULL_BACK;
386
387 if (ctx->Polygon.FrontFace == GL_CW)
388 val |= R300_FRONT_FACE_CW;
389 else
390 val |= R300_FRONT_FACE_CCW;
391 }
392
393 r300->hw.cul.cmd[R300_CUL_CULL] = val;
394 }
395
396
397 /**
398 * Handle glEnable()/glDisable().
399 *
400 * \note Mesa already filters redundant calls to glEnable/glDisable.
401 */
402 static void r300Enable(GLcontext* ctx, GLenum cap, GLboolean state)
403 {
404 r300ContextPtr r300 = R300_CONTEXT(ctx);
405 uint32_t newval;
406
407 if (RADEON_DEBUG & DEBUG_STATE)
408 fprintf(stderr, "%s( %s = %s )\n", __FUNCTION__,
409 _mesa_lookup_enum_by_nr(cap),
410 state ? "GL_TRUE" : "GL_FALSE");
411
412 switch (cap) {
413 case GL_DEPTH_TEST:
414 R300_STATECHANGE(r300, zc);
415
416 if (state) {
417 if (ctx->Depth.Mask)
418 newval = R300_RB3D_Z_TEST_AND_WRITE;
419 else
420 newval = R300_RB3D_Z_TEST;
421 } else
422 newval = 0;
423
424 r300->hw.zc.cmd[R300_ZC_CNTL_0] = newval;
425 break;
426
427 case GL_CULL_FACE:
428 r300UpdateCulling(ctx);
429 break;
430
431 default:
432 radeonEnable(ctx, cap, state);
433 return;
434 }
435 }
436
437
438 /**
439 * Change the culling mode.
440 *
441 * \note Mesa already filters redundant calls to this function.
442 */
443 static void r300CullFace(GLcontext* ctx, GLenum mode)
444 {
445 (void)mode;
446
447 r300UpdateCulling(ctx);
448 }
449
450
451 /**
452 * Change the polygon orientation.
453 *
454 * \note Mesa already filters redundant calls to this function.
455 */
456 static void r300FrontFace(GLcontext* ctx, GLenum mode)
457 {
458 (void)mode;
459
460 r300UpdateCulling(ctx);
461 }
462
463
464 /**
465 * Change the depth testing function.
466 *
467 * \note Mesa already filters redundant calls to this function.
468 */
469 static void r300DepthFunc(GLcontext* ctx, GLenum func)
470 {
471 r300ContextPtr r300 = R300_CONTEXT(ctx);
472
473 R300_STATECHANGE(r300, zc);
474
475 switch(func) {
476 case GL_NEVER:
477 r300->hw.zc.cmd[R300_ZC_CNTL_1] = R300_Z_TEST_NEVER;
478 break;
479 case GL_LESS:
480 r300->hw.zc.cmd[R300_ZC_CNTL_1] = R300_Z_TEST_LESS;
481 break;
482 case GL_EQUAL:
483 r300->hw.zc.cmd[R300_ZC_CNTL_1] = R300_Z_TEST_EQUAL;
484 break;
485 case GL_LEQUAL:
486 r300->hw.zc.cmd[R300_ZC_CNTL_1] = R300_Z_TEST_LEQUAL;
487 break;
488 case GL_GREATER:
489 r300->hw.zc.cmd[R300_ZC_CNTL_1] = R300_Z_TEST_GREATER;
490 break;
491 case GL_NOTEQUAL:
492 r300->hw.zc.cmd[R300_ZC_CNTL_1] = R300_Z_TEST_NEQUAL;
493 break;
494 case GL_GEQUAL:
495 r300->hw.zc.cmd[R300_ZC_CNTL_1] = R300_Z_TEST_GEQUAL;
496 break;
497 case GL_ALWAYS:
498 r300->hw.zc.cmd[R300_ZC_CNTL_1] = R300_Z_TEST_ALWAYS;
499 break;
500 }
501 }
502
503
504 /**
505 * Enable/Disable depth writing.
506 *
507 * \note Mesa already filters redundant calls to this function.
508 */
509 static void r300DepthMask(GLcontext* ctx, GLboolean mask)
510 {
511 r300ContextPtr r300 = R300_CONTEXT(ctx);
512
513 if (!ctx->Depth.Test)
514 return;
515
516 R300_STATECHANGE(r300, zc);
517 r300->hw.zc.cmd[R300_ZC_CNTL_0] = mask
518 ? R300_RB3D_Z_TEST_AND_WRITE : R300_RB3D_Z_TEST;
519 }
520
521
522 /**
523 * Handle glColorMask()
524 */
525 static void r300ColorMask(GLcontext* ctx,
526 GLboolean r, GLboolean g, GLboolean b, GLboolean a)
527 {
528 r300ContextPtr r300 = R300_CONTEXT(ctx);
529 int mask = (b << 0) | (g << 1) | (r << 2) | (a << 3);
530
531 if (mask != r300->hw.cmk.cmd[R300_CMK_COLORMASK]) {
532 R300_STATECHANGE(r300, cmk);
533 r300->hw.cmk.cmd[R300_CMK_COLORMASK] = mask;
534 }
535 }
536
537 /* =============================================================
538 * Point state
539 */
540 static void r300PointSize(GLcontext * ctx, GLfloat size)
541 {
542 r300ContextPtr r300 = R300_CONTEXT(ctx);
543
544 /* This might need fixing later */
545 R300_STATECHANGE(r300, vps);
546 r300->hw.vps.cmd[R300_VPS_POINTSIZE] = r300PackFloat32(1.0);
547 }
548
549 /* =============================================================
550 * Window position and viewport transformation
551 */
552
553 /*
554 * To correctly position primitives:
555 */
556 #define SUBPIXEL_X 0.125
557 #define SUBPIXEL_Y 0.125
558
559 void r300UpdateWindow(GLcontext * ctx)
560 {
561 r300ContextPtr rmesa = R300_CONTEXT(ctx);
562 __DRIdrawablePrivate *dPriv = rmesa->radeon.dri.drawable;
563 GLfloat xoffset = dPriv ? (GLfloat) dPriv->x : 0;
564 GLfloat yoffset = dPriv ? (GLfloat) dPriv->y + dPriv->h : 0;
565 const GLfloat *v = ctx->Viewport._WindowMap.m;
566
567 GLfloat sx = v[MAT_SX];
568 GLfloat tx = v[MAT_TX] + xoffset + SUBPIXEL_X;
569 GLfloat sy = -v[MAT_SY];
570 GLfloat ty = (-v[MAT_TY]) + yoffset + SUBPIXEL_Y;
571 GLfloat sz = v[MAT_SZ] * rmesa->state.depth.scale;
572 GLfloat tz = v[MAT_TZ] * rmesa->state.depth.scale;
573
574 R300_FIREVERTICES(rmesa);
575 R300_STATECHANGE(rmesa, vpt);
576
577 rmesa->hw.vpt.cmd[R300_VPT_XSCALE] = r300PackFloat32(sx);
578 rmesa->hw.vpt.cmd[R300_VPT_XOFFSET] = r300PackFloat32(tx);
579 rmesa->hw.vpt.cmd[R300_VPT_YSCALE] = r300PackFloat32(sy);
580 rmesa->hw.vpt.cmd[R300_VPT_YOFFSET] = r300PackFloat32(ty);
581 rmesa->hw.vpt.cmd[R300_VPT_ZSCALE] = r300PackFloat32(sz);
582 rmesa->hw.vpt.cmd[R300_VPT_ZOFFSET] = r300PackFloat32(tz);
583 }
584
585 static void r300Viewport(GLcontext * ctx, GLint x, GLint y,
586 GLsizei width, GLsizei height)
587 {
588 /* Don't pipeline viewport changes, conflict with window offset
589 * setting below. Could apply deltas to rescue pipelined viewport
590 * values, or keep the originals hanging around.
591 */
592 R200_FIREVERTICES(R200_CONTEXT(ctx));
593 r300UpdateWindow(ctx);
594 }
595
596 static void r300DepthRange(GLcontext * ctx, GLclampd nearval, GLclampd farval)
597 {
598 r300UpdateWindow(ctx);
599 }
600
601 /* Routing and texture-related */
602
603 void r300_setup_routing(GLcontext *ctx, GLboolean immediate)
604 {
605 int i, count=0,reg=0;
606 GLuint dw, mask;
607 TNLcontext *tnl = TNL_CONTEXT(ctx);
608 struct vertex_buffer *VB = &tnl->vb;
609 r300ContextPtr r300 = R300_CONTEXT(ctx);
610
611
612 /* Stage 1 - input to VAP */
613
614 /* Assign register number automatically, retaining it in rmesa->state.reg */
615
616 /* Note: immediate vertex data includes all coordinates.
617 To save bandwidth use either VBUF or state-based vertex generation */
618
619 #define CONFIGURE_AOS(v, o, r, f) \
620 {\
621 if(immediate){ \
622 r300->state.aos[count].element_size=4; \
623 r300->state.aos[count].stride=4; \
624 r300->state.aos[count].ncomponents=4; \
625 } else { \
626 r300->state.aos[count].element_size=v->size; \
627 r300->state.aos[count].stride=v->size; \
628 r300->state.aos[count].ncomponents=v->size; \
629 } \
630 r300->state.aos[count].offset=o; \
631 r300->state.aos[count].reg=reg; \
632 r300->state.aos[count].format=(f); \
633 r300->state.vap_reg.r=reg; \
634 count++; \
635 reg++; \
636 }
637
638 /* All offsets are 0 - for use by immediate mode.
639 Should change later to handle vertex buffers */
640 CONFIGURE_AOS(VB->ObjPtr, 0, i_coords, AOS_FORMAT_FLOAT);
641 CONFIGURE_AOS(VB->ColorPtr[0], 0, i_color[0], AOS_FORMAT_FLOAT_COLOR);
642 for(i=0;i < ctx->Const.MaxTextureUnits;i++)
643 if(ctx->Texture.Unit[i].Enabled)
644 CONFIGURE_AOS(VB->TexCoordPtr[i], 0, i_tex[i], AOS_FORMAT_FLOAT);
645
646 r300->state.aos_count=count;
647
648 if (RADEON_DEBUG & DEBUG_STATE)
649 fprintf(stderr, "aos_count=%d\n", count);
650
651 if(count>R300_MAX_AOS_ARRAYS){
652 fprintf(stderr, "Aieee ! AOS array count exceeded !\n");
653 exit(-1);
654 }
655
656 /* Implement AOS */
657
658 /* setup INPUT_ROUTE */
659 R300_STATECHANGE(r300, vir[0]);
660 for(i=0;i+1<count;i+=2){
661 dw=(r300->state.aos[i].ncomponents-1)
662 | ((r300->state.aos[i].reg)<<8)
663 | (r300->state.aos[i].format<<14)
664 | (((r300->state.aos[i+1].ncomponents-1)
665 | ((r300->state.aos[i+1].reg)<<8)
666 | (r300->state.aos[i+1].format<<14))<<16);
667
668 if(i+2==count){
669 dw|=(1<<(13+16));
670 }
671 r300->hw.vir[0].cmd[R300_VIR_CNTL_0+(i>>1)]=dw;
672 }
673 if(count & 1){
674 dw=(r300->state.aos[count-1].ncomponents-1)
675 | (r300->state.aos[count-1].format<<14)
676 | ((r300->state.aos[count-1].reg)<<8)
677 | (1<<13);
678 r300->hw.vir[0].cmd[R300_VIR_CNTL_0+(count>>1)]=dw;
679 //fprintf(stderr, "vir0 dw=%08x\n", dw);
680 }
681 /* Set the rest of INPUT_ROUTE_0 to 0 */
682 //for(i=((count+1)>>1); i<8; i++)r300->hw.vir[0].cmd[R300_VIR_CNTL_0+i]=(0x0);
683 ((drm_r300_cmd_header_t*)r300->hw.vir[0].cmd)->unchecked_state.count = (count+1)>>1;
684
685
686 /* Mesa assumes that all missing components are from (0, 0, 0, 1) */
687 #define ALL_COMPONENTS ((R300_INPUT_ROUTE_SELECT_X<<R300_INPUT_ROUTE_X_SHIFT) \
688 | (R300_INPUT_ROUTE_SELECT_Y<<R300_INPUT_ROUTE_Y_SHIFT) \
689 | (R300_INPUT_ROUTE_SELECT_Z<<R300_INPUT_ROUTE_Z_SHIFT) \
690 | (R300_INPUT_ROUTE_SELECT_W<<R300_INPUT_ROUTE_W_SHIFT))
691
692 #define ALL_DEFAULT ((R300_INPUT_ROUTE_SELECT_ZERO<<R300_INPUT_ROUTE_X_SHIFT) \
693 | (R300_INPUT_ROUTE_SELECT_ZERO<<R300_INPUT_ROUTE_Y_SHIFT) \
694 | (R300_INPUT_ROUTE_SELECT_ZERO<<R300_INPUT_ROUTE_Z_SHIFT) \
695 | (R300_INPUT_ROUTE_SELECT_ONE<<R300_INPUT_ROUTE_W_SHIFT))
696
697 R300_STATECHANGE(r300, vir[1]);
698
699 for(i=0;i+1<count;i+=2){
700 /* do i first.. */
701 mask=(1<<(r300->state.aos[i].ncomponents*3))-1;
702 dw=(ALL_COMPONENTS & mask)
703 | (ALL_DEFAULT & ~mask)
704 | R300_INPUT_ROUTE_ENABLE;
705
706 /* i+1 */
707 mask=(1<<(r300->state.aos[i+1].ncomponents*3))-1;
708 dw|=(
709 (ALL_COMPONENTS & mask)
710 | (ALL_DEFAULT & ~mask)
711 | R300_INPUT_ROUTE_ENABLE
712 )<<16;
713
714 r300->hw.vir[1].cmd[R300_VIR_CNTL_0+(i>>1)]=dw;
715 }
716 if(count & 1){
717 mask=(1<<(r300->state.aos[count-1].ncomponents*3))-1;
718 dw=(ALL_COMPONENTS & mask)
719 | (ALL_DEFAULT & ~mask)
720 | R300_INPUT_ROUTE_ENABLE;
721 r300->hw.vir[1].cmd[R300_VIR_CNTL_0+(count>>1)]=dw;
722 //fprintf(stderr, "vir1 dw=%08x\n", dw);
723 }
724 /* Set the rest of INPUT_ROUTE_1 to 0 */
725 //for(i=((count+1)>>1); i<8; i++)r300->hw.vir[1].cmd[R300_VIR_CNTL_0+i]=0x0;
726 ((drm_r300_cmd_header_t*)r300->hw.vir[1].cmd)->unchecked_state.count = (count+1)>>1;
727
728 /* Set up input_cntl */
729
730 R300_STATECHANGE(r300, vic);
731 r300->hw.vic.cmd[R300_VIC_CNTL_0]=0x5555; /* Hard coded value, no idea what it means */
732
733 r300->hw.vic.cmd[R300_VIC_CNTL_1]=R300_INPUT_CNTL_POS
734 | R300_INPUT_CNTL_COLOR;
735
736 for(i=0;i < ctx->Const.MaxTextureUnits;i++)
737 if(ctx->Texture.Unit[i].Enabled)
738 r300->hw.vic.cmd[R300_VIC_CNTL_1]|=(R300_INPUT_CNTL_TC0<<i);
739
740 /* Stage 3: VAP output */
741 R300_STATECHANGE(r300, vof);
742 r300->hw.vof.cmd[R300_VOF_CNTL_0]=R300_VAP_OUTPUT_VTX_FMT_0__POS_PRESENT
743 | R300_VAP_OUTPUT_VTX_FMT_0__COLOR_PRESENT;
744
745 r300->hw.vof.cmd[R300_VOF_CNTL_1]=0;
746 for(i=0;i < ctx->Const.MaxTextureUnits;i++)
747 if(ctx->Texture.Unit[i].Enabled)
748 r300->hw.vof.cmd[R300_VOF_CNTL_1]|=(4<<(3*i));
749
750 }
751
752 static r300TexObj default_tex_obj={
753 filter:R300_TX_MAG_FILTER_LINEAR | R300_TX_MIN_FILTER_LINEAR,
754 pitch: 0x8000,
755 size: (0xff << R300_TX_WIDTHMASK_SHIFT)
756 | (0xff << R300_TX_HEIGHTMASK_SHIFT)
757 | (0x8 << R300_TX_SIZE_SHIFT),
758 format: 0x88a0c,
759 offset: 0x0,
760 unknown4: 0x0,
761 unknown5: 0x0
762 };
763
764 /* there is probably a system to these value, but, for now,
765 we just try by hand */
766
767 static int inline translate_src(int src)
768 {
769 switch (src) {
770 case GL_TEXTURE:
771 return 1;
772 break;
773 case GL_CONSTANT:
774 return 2;
775 break;
776 case GL_PRIMARY_COLOR:
777 return 3;
778 break;
779 case GL_PREVIOUS:
780 return 4;
781 break;
782 case GL_ZERO:
783 return 5;
784 break;
785 case GL_ONE:
786 return 6;
787 break;
788 default:
789 return 0;
790 }
791 }
792
793 /* I think 357 and 457 are prime numbers.. wiggle them if you get coincidences */
794 #define FORMAT_HASH(opRGB, srcRGB, modeRGB, opA, srcA, modeA, format) ( \
795 (\
796 ((opRGB)<<30) | ((opA)<<28) | \
797 ((srcRGB)<< 25) | ((srcA)<<22) | \
798 ((modeRGB)) \
799 ) \
800 ^ ((modeA)*357) \
801 ^ (((format)) *457) \
802 )
803
804 static GLuint translate_texture_format(GLcontext *ctx, GLint tex_unit, GLuint format)
805 {
806 const struct gl_texture_unit *texUnit= &ctx->Texture.Unit[tex_unit];
807 int i=0; /* number of alpha args .. */
808 switch(FORMAT_HASH(
809 texUnit->_CurrentCombine->OperandRGB[i] -GL_SRC_COLOR,
810 translate_src(texUnit->_CurrentCombine->SourceRGB[i]),
811 texUnit->_CurrentCombine->ModeRGB,
812 texUnit->_CurrentCombine->OperandA[i] -GL_SRC_ALPHA,
813 translate_src(texUnit->_CurrentCombine->SourceA[i]),
814 texUnit->_CurrentCombine->ModeA,
815 format
816 )){
817 case FORMAT_HASH(0, 1, 0x2100, 0, 1, 0x2100, 0x00088047):
818 return 0x1a0c;
819 case FORMAT_HASH(0, 1, 0x2100, 0, 4, 0x1e01, 0x00088047):
820 return 0x53a0c;
821 case FORMAT_HASH(0, 1, 0x2100, 0, 1, 0x2100, 0x00077047):
822 return 0x4ba0c;
823 case FORMAT_HASH(0, 1, 0x2100, 0, 1, 0x2100, 0x00055047):
824 return 0x53a0c;
825 default:
826 {
827 static int warn_once=1;
828 if(warn_once){
829 fprintf(stderr, "%s:%s Do not know how to translate texture format %08x - help me !\n",
830 __FILE__, __FUNCTION__,
831 format);
832 warn_once=0;
833 }
834 }
835 return 0;
836 }
837 }
838
839 void r300_setup_textures(GLcontext *ctx)
840 {
841 int i, mtu;
842 struct r300_tex_obj *t;
843 r300ContextPtr r300 = R300_CONTEXT(ctx);
844 int max_texture_unit=-1; /* -1 translates into no setup costs for fields */
845 struct gl_texture_unit *texUnit;
846
847 R300_STATECHANGE(r300, txe);
848 R300_STATECHANGE(r300, tex.filter);
849 R300_STATECHANGE(r300, tex.unknown1);
850 R300_STATECHANGE(r300, tex.size);
851 R300_STATECHANGE(r300, tex.format);
852 R300_STATECHANGE(r300, tex.offset);
853 R300_STATECHANGE(r300, tex.unknown4);
854 R300_STATECHANGE(r300, tex.unknown5);
855
856 r300->state.texture.tc_count=0;
857
858 r300->hw.txe.cmd[R300_TXE_ENABLE]=0x0;
859
860 mtu = r300->radeon.glCtx->Const.MaxTextureUnits;
861 if (RADEON_DEBUG & DEBUG_STATE)
862 fprintf(stderr, "mtu=%d\n", mtu);
863
864 if(mtu>R300_MAX_TEXTURE_UNITS){
865 fprintf(stderr, "Aiiee ! mtu=%d is greater than R300_MAX_TEXTURE_UNITS=%d\n",
866 mtu, R300_MAX_TEXTURE_UNITS);
867 exit(-1);
868 }
869 for(i=0;i<mtu;i++){
870 if(ctx->Texture.Unit[i].Enabled){
871 t=r300->state.texture.unit[i].texobj;
872 r300->state.texture.tc_count++;
873 if(t==NULL){
874 fprintf(stderr, "Texture unit %d enabled, but corresponding texobj is NULL, using default object.\n", i);
875 //exit(-1);
876 t=&default_tex_obj;
877 }
878 if (RADEON_DEBUG & DEBUG_STATE)
879 fprintf(stderr, "Activating texture unit %d\n", i);
880 max_texture_unit=i;
881 r300->hw.txe.cmd[R300_TXE_ENABLE]|=(1<<i);
882
883 r300->hw.tex.filter.cmd[R300_TEX_VALUE_0+i]=t->filter;
884 r300->hw.tex.unknown1.cmd[R300_TEX_VALUE_0+i]=t->pitch;
885 r300->hw.tex.size.cmd[R300_TEX_VALUE_0+i]=t->size;
886 r300->hw.tex.format.cmd[R300_TEX_VALUE_0+i]=t->format;
887 r300->hw.tex.offset.cmd[R300_TEX_VALUE_0+i]=r300->radeon.radeonScreen->fbLocation+t->offset;
888 r300->hw.tex.unknown4.cmd[R300_TEX_VALUE_0+i]=0x0;
889 r300->hw.tex.unknown5.cmd[R300_TEX_VALUE_0+i]=0x0;
890
891
892 /* We don't know how to set this yet */
893 //value from r300_lib.c for RGB24
894 //r300->hw.tex.format.cmd[R300_TEX_VALUE_0+i]=0x88a0c;
895 r300->hw.tex.format.cmd[R300_TEX_VALUE_0+i]=translate_texture_format(ctx, i, t->format);
896 /* Use the code below to quickly find matching texture
897 formats. Requires an app that displays the same texture
898 repeatedly */
899 #if 1
900 if(r300->hw.tex.format.cmd[R300_TEX_VALUE_0+i]==0){
901 static int fmt=0;
902 static int k=0;
903 k++;
904 if(k>200){
905 k=0;
906 fmt++;
907 texUnit = &ctx->Texture.Unit[i];
908 fprintf(stderr, "Want to set FORMAT_HASH(%d, %d, 0x%04x, %d, %d, 0x%04x, 0x%08x)\n",
909 texUnit->_CurrentCombine->OperandRGB[0] -GL_SRC_COLOR,
910 translate_src(texUnit->_CurrentCombine->SourceRGB[0]),
911 texUnit->_CurrentCombine->ModeRGB,
912 texUnit->_CurrentCombine->OperandA[0] -GL_SRC_ALPHA,
913 translate_src(texUnit->_CurrentCombine->SourceA[0]),
914 texUnit->_CurrentCombine->ModeA,
915 t->format
916 );
917 if(fmt>0xff){
918 //exit(-1);
919 fmt=0;
920 }
921 //sleep(1);
922 fprintf(stderr, "Now trying format %08x\n",
923 0x00a0c | (fmt<<12));
924 }
925 r300->hw.tex.format.cmd[R300_TEX_VALUE_0+i]=0x00a0c | (fmt<<12);
926 }
927 #endif
928
929 }
930
931 }
932 ((drm_r300_cmd_header_t*)r300->hw.tex.filter.cmd)->unchecked_state.count = max_texture_unit+1;
933 ((drm_r300_cmd_header_t*)r300->hw.tex.unknown1.cmd)->unchecked_state.count = max_texture_unit+1;
934 ((drm_r300_cmd_header_t*)r300->hw.tex.size.cmd)->unchecked_state.count = max_texture_unit+1;
935 ((drm_r300_cmd_header_t*)r300->hw.tex.format.cmd)->unchecked_state.count = max_texture_unit+1;
936 ((drm_r300_cmd_header_t*)r300->hw.tex.offset.cmd)->unchecked_state.count = max_texture_unit+1;
937 ((drm_r300_cmd_header_t*)r300->hw.tex.unknown4.cmd)->unchecked_state.count = max_texture_unit+1;
938 ((drm_r300_cmd_header_t*)r300->hw.tex.unknown5.cmd)->unchecked_state.count = max_texture_unit+1;
939
940 if (RADEON_DEBUG & DEBUG_STATE)
941 fprintf(stderr, "TX_ENABLE: %08x max_texture_unit=%d\n", r300->hw.txe.cmd[R300_TXE_ENABLE], max_texture_unit);
942 }
943
944 void r300_setup_rs_unit(GLcontext *ctx)
945 {
946 r300ContextPtr r300 = R300_CONTEXT(ctx);
947 int i;
948
949 /* This needs to be rewritten - it is a hack at best */
950
951 R300_STATECHANGE(r300, ri);
952 R300_STATECHANGE(r300, rc);
953 R300_STATECHANGE(r300, rr);
954
955 for(i = 1; i <= 8; ++i)
956 r300->hw.ri.cmd[i] = 0x00d10000;
957 r300->hw.ri.cmd[R300_RI_INTERP_1] |= R300_RS_INTERP_1_UNKNOWN;
958 r300->hw.ri.cmd[R300_RI_INTERP_2] |= R300_RS_INTERP_2_UNKNOWN;
959 r300->hw.ri.cmd[R300_RI_INTERP_3] |= R300_RS_INTERP_3_UNKNOWN;
960
961 for(i = 1; i <= 8; ++i)
962 r300->hw.rr.cmd[i] = 0;
963 /* textures enabled ? */
964 if(r300->state.texture.tc_count>0){
965
966 /* This code only really works with one set of texture coordinates */
967
968 /* The second constant is needed to get glxgears display anything .. */
969 r300->hw.rc.cmd[1] = R300_RS_CNTL_0_UNKNOWN_7
970 | R300_RS_CNTL_0_UNKNOWN_18
971 | (r300->state.texture.tc_count<<R300_RS_CNTL_TC_CNT_SHIFT);
972 r300->hw.rc.cmd[2] = 0xc0;
973
974
975 ((drm_r300_cmd_header_t*)r300->hw.rr.cmd)->unchecked_state.count = 1;
976 r300->hw.rr.cmd[R300_RR_ROUTE_0] = 0x24008;
977
978 } else {
979
980 /* The second constant is needed to get glxgears display anything .. */
981 r300->hw.rc.cmd[1] = R300_RS_CNTL_0_UNKNOWN_7 | R300_RS_CNTL_0_UNKNOWN_18;
982 r300->hw.rc.cmd[2] = 0;
983
984 ((drm_r300_cmd_header_t*)r300->hw.rr.cmd)->unchecked_state.count = 1;
985 r300->hw.rr.cmd[R300_RR_ROUTE_0] = 0x4000;
986
987 }
988 }
989
990 /**
991 * Called by Mesa after an internal state update.
992 */
993 static void r300InvalidateState(GLcontext * ctx, GLuint new_state)
994 {
995 r300ContextPtr r300 = R300_CONTEXT(ctx);
996
997 _swrast_InvalidateState(ctx, new_state);
998 _swsetup_InvalidateState(ctx, new_state);
999 _ac_InvalidateState(ctx, new_state);
1000 _tnl_InvalidateState(ctx, new_state);
1001 _ae_invalidate_state(ctx, new_state);
1002
1003 /* Go inefficiency! */
1004 r300ResetHwState(r300);
1005 }
1006
1007
1008 /**
1009 * Completely recalculates hardware state based on the Mesa state.
1010 */
1011 void r300ResetHwState(r300ContextPtr r300)
1012 {
1013 GLcontext* ctx = r300->radeon.glCtx;
1014 int i;
1015
1016 if (RADEON_DEBUG & DEBUG_STATE)
1017 fprintf(stderr, "%s\n", __FUNCTION__);
1018
1019 r300UpdateWindow(ctx);
1020
1021 r300ColorMask(ctx,
1022 ctx->Color.ColorMask[RCOMP],
1023 ctx->Color.ColorMask[GCOMP],
1024 ctx->Color.ColorMask[BCOMP],
1025 ctx->Color.ColorMask[ACOMP]);
1026
1027 r300Enable(ctx, GL_DEPTH_TEST, ctx->Depth.Test);
1028 r300DepthMask(ctx, ctx->Depth.Mask);
1029 r300DepthFunc(ctx, ctx->Depth.Func);
1030
1031 r300UpdateCulling(ctx);
1032
1033 r300_setup_routing(ctx, GL_TRUE);
1034
1035 r300UpdateTextureState(ctx);
1036 r300_setup_textures(ctx);
1037 r300_setup_rs_unit(ctx);
1038
1039
1040 r300_set_blend_state(ctx);
1041 r300AlphaFunc(ctx, ctx->Color.AlphaFunc, ctx->Color.AlphaRef);
1042
1043 //BEGIN: TODO
1044 r300->hw.unk2080.cmd[1] = 0x0030045A;
1045
1046 r300->hw.ovf.cmd[R300_OVF_FMT_0] = 0x00000003;
1047 r300->hw.ovf.cmd[R300_OVF_FMT_1] = 0x00000000;
1048
1049 r300->hw.vte.cmd[1] = R300_VPORT_X_SCALE_ENA
1050 | R300_VPORT_X_OFFSET_ENA
1051 | R300_VPORT_Y_SCALE_ENA
1052 | R300_VPORT_Y_OFFSET_ENA
1053 | R300_VPORT_Z_SCALE_ENA
1054 | R300_VPORT_Z_OFFSET_ENA
1055 | R300_VTX_W0_FMT;
1056 r300->hw.vte.cmd[2] = 0x00000008;
1057
1058 r300->hw.unk2134.cmd[1] = 0x00FFFFFF;
1059 r300->hw.unk2134.cmd[2] = 0x00000000;
1060
1061 r300->hw.unk2140.cmd[1] = 0x00000000;
1062
1063 #if 0 /* Done in setup routing */
1064 ((drm_r300_cmd_header_t*)r300->hw.vir[0].cmd)->unchecked_state.count = 1;
1065 r300->hw.vir[0].cmd[1] = 0x21030003;
1066
1067 ((drm_r300_cmd_header_t*)r300->hw.vir[1].cmd)->unchecked_state.count = 1;
1068 r300->hw.vir[1].cmd[1] = 0xF688F688;
1069
1070 r300->hw.vic.cmd[R300_VIR_CNTL_0] = 0x00000001;
1071 r300->hw.vic.cmd[R300_VIR_CNTL_1] = 0x00000405;
1072 #endif
1073
1074 r300->hw.unk21DC.cmd[1] = 0xAAAAAAAA;
1075
1076 r300->hw.unk221C.cmd[1] = R300_221C_NORMAL;
1077
1078 r300->hw.unk2220.cmd[1] = r300PackFloat32(1.0);
1079 r300->hw.unk2220.cmd[2] = r300PackFloat32(1.0);
1080 r300->hw.unk2220.cmd[3] = r300PackFloat32(1.0);
1081 r300->hw.unk2220.cmd[4] = r300PackFloat32(1.0);
1082
1083 if (GET_CHIP(r300->radeon.radeonScreen) == RADEON_CHIP_R300)
1084 r300->hw.unk2288.cmd[1] = R300_2288_R300;
1085 else
1086 r300->hw.unk2288.cmd[1] = R300_2288_RV350;
1087
1088 #if 0
1089 r300->hw.vof.cmd[R300_VOF_CNTL_0] = R300_VAP_OUTPUT_VTX_FMT_0__POS_PRESENT
1090 | R300_VAP_OUTPUT_VTX_FMT_0__COLOR_PRESENT;
1091 r300->hw.vof.cmd[R300_VOF_CNTL_1] = 0; /* no textures */
1092 #endif
1093
1094 r300->hw.pvs.cmd[R300_PVS_CNTL_1] = 0;
1095 r300->hw.pvs.cmd[R300_PVS_CNTL_2] = 0;
1096 r300->hw.pvs.cmd[R300_PVS_CNTL_3] = 0;
1097
1098 r300->hw.gb_enable.cmd[1] = R300_GB_POINT_STUFF_ENABLE
1099 | R300_GB_LINE_STUFF_ENABLE
1100 | R300_GB_TRIANGLE_STUFF_ENABLE;
1101
1102 r300->hw.gb_misc.cmd[R300_GB_MISC_MSPOS_0] = 0x66666666;
1103 r300->hw.gb_misc.cmd[R300_GB_MISC_MSPOS_1] = 0x06666666;
1104 if (GET_CHIP(r300->radeon.radeonScreen) == RADEON_CHIP_R300)
1105 r300->hw.gb_misc.cmd[R300_GB_MISC_TILE_CONFIG] = R300_GB_TILE_ENABLE
1106 | R300_GB_TILE_PIPE_COUNT_R300
1107 | R300_GB_TILE_SIZE_16;
1108 else
1109 r300->hw.gb_misc.cmd[R300_GB_MISC_TILE_CONFIG] = R300_GB_TILE_ENABLE
1110 | R300_GB_TILE_PIPE_COUNT_RV300
1111 | R300_GB_TILE_SIZE_16;
1112 r300->hw.gb_misc.cmd[R300_GB_MISC_SELECT] = 0x00000000;
1113 r300->hw.gb_misc.cmd[R300_GB_MISC_AA_CONFIG] = 0x00000000; /* No antialiasing */
1114
1115 //r300->hw.txe.cmd[R300_TXE_ENABLE] = 0;
1116
1117 r300->hw.unk4200.cmd[1] = r300PackFloat32(0.0);
1118 r300->hw.unk4200.cmd[2] = r300PackFloat32(0.0);
1119 r300->hw.unk4200.cmd[3] = r300PackFloat32(1.0);
1120 r300->hw.unk4200.cmd[4] = r300PackFloat32(1.0);
1121
1122 r300->hw.unk4214.cmd[1] = 0x00050005;
1123
1124 r300->hw.ps.cmd[R300_PS_POINTSIZE] = (6 << R300_POINTSIZE_X_SHIFT) |
1125 (6 << R300_POINTSIZE_Y_SHIFT);
1126
1127 r300->hw.unk4230.cmd[1] = 0x01800000;
1128 r300->hw.unk4230.cmd[2] = 0x00020006;
1129 r300->hw.unk4230.cmd[3] = r300PackFloat32(1.0 / 192.0);
1130
1131 r300->hw.unk4260.cmd[1] = 0;
1132 r300->hw.unk4260.cmd[2] = r300PackFloat32(0.0);
1133 r300->hw.unk4260.cmd[3] = r300PackFloat32(1.0);
1134
1135 r300->hw.unk4274.cmd[1] = 0x00000002;
1136 r300->hw.unk4274.cmd[2] = 0x0003AAAA;
1137 r300->hw.unk4274.cmd[3] = 0x00000000;
1138 r300->hw.unk4274.cmd[4] = 0x00000000;
1139
1140 r300->hw.unk4288.cmd[1] = 0x00000000;
1141 r300->hw.unk4288.cmd[2] = 0x00000001;
1142 r300->hw.unk4288.cmd[3] = 0x00000000;
1143 r300->hw.unk4288.cmd[4] = 0x00000000;
1144 r300->hw.unk4288.cmd[5] = 0x00000000;
1145
1146 r300->hw.unk42A0.cmd[1] = 0x00000000;
1147
1148 r300->hw.unk42B4.cmd[1] = 0x00000000;
1149
1150 r300->hw.unk42C0.cmd[1] = 0x4B7FFFFF;
1151 r300->hw.unk42C0.cmd[2] = 0x00000000;
1152
1153
1154 r300->hw.unk43A4.cmd[1] = 0x0000001C;
1155 r300->hw.unk43A4.cmd[2] = 0x2DA49525;
1156
1157 r300->hw.unk43E8.cmd[1] = 0x00FFFFFF;
1158
1159 r300->hw.fp.cmd[R300_FP_CNTL0] = 0;
1160 r300->hw.fp.cmd[R300_FP_CNTL1] = 0;
1161 r300->hw.fp.cmd[R300_FP_CNTL2] = 0;
1162 r300->hw.fp.cmd[R300_FP_NODE0] = 0;
1163 r300->hw.fp.cmd[R300_FP_NODE1] = 0;
1164 r300->hw.fp.cmd[R300_FP_NODE2] = 0;
1165 r300->hw.fp.cmd[R300_FP_NODE3] = 0;
1166
1167 r300->hw.unk46A4.cmd[1] = 0x00001B01;
1168 r300->hw.unk46A4.cmd[2] = 0x00001B0F;
1169 r300->hw.unk46A4.cmd[3] = 0x00001B0F;
1170 r300->hw.unk46A4.cmd[4] = 0x00001B0F;
1171 r300->hw.unk46A4.cmd[5] = 0x00000001;
1172
1173 for(i = 1; i <= 64; ++i) {
1174 /* create NOP instructions */
1175 r300->hw.fpi[0].cmd[i] = FP_INSTRC(MAD, FP_ARGC(SRC0C_XYZ), FP_ARGC(ONE), FP_ARGC(ZERO));
1176 r300->hw.fpi[1].cmd[i] = FP_SELC(0,XYZ,NO,FP_TMP(0),0,0);
1177 r300->hw.fpi[2].cmd[i] = FP_INSTRA(MAD, FP_ARGA(SRC0A), FP_ARGA(ONE), FP_ARGA(ZERO));
1178 r300->hw.fpi[3].cmd[i] = FP_SELA(0,W,NO,FP_TMP(0),0,0);
1179 }
1180
1181 r300->hw.unk4BC0.cmd[1] = 0;
1182
1183 r300->hw.unk4BC8.cmd[1] = 0;
1184 r300->hw.unk4BC8.cmd[2] = 0;
1185 r300->hw.unk4BC8.cmd[3] = 0;
1186
1187 #if 0
1188 r300->hw.at.cmd[R300_AT_ALPHA_TEST] = 0;
1189 #endif
1190
1191 r300->hw.unk4BD8.cmd[1] = 0;
1192
1193 r300->hw.unk4E00.cmd[1] = 0;
1194
1195 #if 0
1196 r300->hw.bld.cmd[R300_BLD_CBLEND] = 0;
1197 r300->hw.bld.cmd[R300_BLD_ABLEND] = 0;
1198 #endif
1199
1200 r300->hw.unk4E10.cmd[1] = 0;
1201 r300->hw.unk4E10.cmd[2] = 0;
1202 r300->hw.unk4E10.cmd[3] = 0;
1203
1204 r300->hw.cb.cmd[R300_CB_OFFSET] =
1205 r300->radeon.radeonScreen->backOffset +
1206 r300->radeon.radeonScreen->fbLocation;
1207 r300->hw.cb.cmd[R300_CB_PITCH] = r300->radeon.radeonScreen->backPitch
1208 | R300_COLOR_UNKNOWN_22_23;
1209
1210 r300->hw.unk4E50.cmd[1] = 0;
1211 r300->hw.unk4E50.cmd[2] = 0;
1212 r300->hw.unk4E50.cmd[3] = 0;
1213 r300->hw.unk4E50.cmd[4] = 0;
1214 r300->hw.unk4E50.cmd[5] = 0;
1215 r300->hw.unk4E50.cmd[6] = 0;
1216 r300->hw.unk4E50.cmd[7] = 0;
1217 r300->hw.unk4E50.cmd[8] = 0;
1218 r300->hw.unk4E50.cmd[9] = 0;
1219
1220 r300->hw.unk4E88.cmd[1] = 0;
1221
1222 r300->hw.unk4EA0.cmd[1] = 0x00000000;
1223 r300->hw.unk4EA0.cmd[2] = 0xffffffff;
1224
1225 r300->hw.unk4F08.cmd[1] = 0x00FFFF00;
1226
1227 r300->hw.unk4F10.cmd[1] = 0x00000002; // depthbuffer format?
1228 r300->hw.unk4F10.cmd[2] = 0x00000000;
1229 r300->hw.unk4F10.cmd[3] = 0x00000003;
1230 r300->hw.unk4F10.cmd[4] = 0x00000000;
1231
1232 r300->hw.zb.cmd[R300_ZB_OFFSET] =
1233 r300->radeon.radeonScreen->depthOffset +
1234 r300->radeon.radeonScreen->fbLocation;
1235 r300->hw.zb.cmd[R300_ZB_PITCH] = r300->radeon.radeonScreen->depthPitch;
1236
1237 r300->hw.unk4F28.cmd[1] = 0;
1238
1239 r300->hw.unk4F30.cmd[1] = 0;
1240 r300->hw.unk4F30.cmd[2] = 0;
1241
1242 r300->hw.unk4F44.cmd[1] = 0;
1243
1244 r300->hw.unk4F54.cmd[1] = 0;
1245
1246 ((drm_r300_cmd_header_t*)r300->hw.vpi.cmd)->vpu.count = 0;
1247 for(i = 1; i < R300_VPI_CMDSIZE; i += 4) {
1248 /* MOV t0, t0 */
1249 r300->hw.vpi.cmd[i+0] = VP_OUT(ADD,TMP,0,XYZW);
1250 r300->hw.vpi.cmd[i+1] = VP_IN(TMP,0);
1251 r300->hw.vpi.cmd[i+2] = VP_ZERO();
1252 r300->hw.vpi.cmd[i+3] = VP_ZERO();
1253 }
1254
1255 ((drm_r300_cmd_header_t*)r300->hw.vpp.cmd)->vpu.count = 0;
1256 for(i = 1; i < R300_VPP_CMDSIZE; ++i)
1257 r300->hw.vpp.cmd[i] = 0;
1258
1259 r300->hw.vps.cmd[R300_VPS_ZERO_0] = 0;
1260 r300->hw.vps.cmd[R300_VPS_ZERO_1] = 0;
1261 r300->hw.vps.cmd[R300_VPS_POINTSIZE] = r300PackFloat32(1.0);
1262 r300->hw.vps.cmd[R300_VPS_ZERO_3] = 0;
1263
1264 //END: TODO
1265
1266 r300->hw.all_dirty = GL_TRUE;
1267 }
1268
1269
1270
1271 /**
1272 * Calculate initial hardware state and register state functions.
1273 * Assumes that the command buffer and state atoms have been
1274 * initialized already.
1275 */
1276 void r300InitState(r300ContextPtr r300)
1277 {
1278 GLcontext *ctx = r300->radeon.glCtx;
1279 GLuint depth_fmt;
1280
1281 radeonInitState(&r300->radeon);
1282
1283 switch (ctx->Visual.depthBits) {
1284 case 16:
1285 r300->state.depth.scale = 1.0 / (GLfloat) 0xffff;
1286 depth_fmt = R200_DEPTH_FORMAT_16BIT_INT_Z;
1287 //r300->state.stencil.clear = 0x00000000;
1288 break;
1289 case 24:
1290 r300->state.depth.scale = 1.0 / (GLfloat) 0xffffff;
1291 depth_fmt = R200_DEPTH_FORMAT_24BIT_INT_Z;
1292 //r300->state.stencil.clear = 0xff000000;
1293 break;
1294 default:
1295 fprintf(stderr, "Error: Unsupported depth %d... exiting\n",
1296 ctx->Visual.depthBits);
1297 exit(-1);
1298 }
1299
1300 memset(&(r300->state.texture), 0, sizeof(r300->state.texture));
1301
1302 r300ResetHwState(r300);
1303 }
1304
1305
1306
1307 /**
1308 * Initialize driver's state callback functions
1309 */
1310 void r300InitStateFuncs(struct dd_function_table* functions)
1311 {
1312 radeonInitStateFuncs(functions);
1313
1314 functions->UpdateState = r300InvalidateState;
1315 //functions->AlphaFunc = r300AlphaFunc;
1316 functions->BlendColor = r300BlendColor;
1317 functions->BlendEquationSeparate = r300BlendEquationSeparate;
1318 functions->BlendFuncSeparate = r300BlendFuncSeparate;
1319 functions->Enable = r300Enable;
1320 functions->ColorMask = r300ColorMask;
1321 functions->DepthFunc = r300DepthFunc;
1322 functions->DepthMask = r300DepthMask;
1323 functions->CullFace = r300CullFace;
1324 functions->FrontFace = r300FrontFace;
1325
1326 /* Viewport related */
1327 functions->Viewport = r300Viewport;
1328 functions->DepthRange = r300DepthRange;
1329 functions->PointSize = r300PointSize;
1330 }
1331