Merge commit 'origin/master' into gallium-msaa
[mesa.git] / src / gallium / drivers / r300 / r300_state_derived.c
1 /*
2 * Copyright 2008 Corbin Simpson <MostAwesomeDude@gmail.com>
3 * Copyright 2009 Marek Olšák <maraeo@gmail.com>
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * on the rights to use, copy, modify, merge, publish, distribute, sub
9 * license, and/or sell copies of the Software, and to permit persons to whom
10 * the Software is furnished to do so, subject to the following conditions:
11 *
12 * The above copyright notice and this permission notice (including the next
13 * paragraph) shall be included in all copies or substantial portions of the
14 * Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
20 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
21 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
22 * USE OR OTHER DEALINGS IN THE SOFTWARE. */
23
24 #include "draw/draw_context.h"
25
26 #include "util/u_math.h"
27 #include "util/u_memory.h"
28
29 #include "r300_context.h"
30 #include "r300_fs.h"
31 #include "r300_hyperz.h"
32 #include "r300_screen.h"
33 #include "r300_shader_semantics.h"
34 #include "r300_state.h"
35 #include "r300_state_derived.h"
36 #include "r300_state_inlines.h"
37 #include "r300_vs.h"
38
39 /* r300_state_derived: Various bits of state which are dependent upon
40 * currently bound CSO data. */
41
42 enum r300_rs_swizzle {
43 SWIZ_XYZW = 0,
44 SWIZ_X001,
45 SWIZ_XY01,
46 SWIZ_0001,
47 };
48
49 static void r300_draw_emit_attrib(struct r300_context* r300,
50 enum attrib_emit emit,
51 enum interp_mode interp,
52 int index)
53 {
54 struct r300_vertex_shader* vs = r300->vs_state.state;
55 struct tgsi_shader_info* info = &vs->info;
56 int output;
57
58 output = draw_find_shader_output(r300->draw,
59 info->output_semantic_name[index],
60 info->output_semantic_index[index]);
61 draw_emit_vertex_attr(&r300->vertex_info, emit, interp, output);
62 }
63
64 static void r300_draw_emit_all_attribs(struct r300_context* r300)
65 {
66 struct r300_vertex_shader* vs = r300->vs_state.state;
67 struct r300_shader_semantics* vs_outputs = &vs->outputs;
68 int i, gen_count;
69
70 /* Position. */
71 if (vs_outputs->pos != ATTR_UNUSED) {
72 r300_draw_emit_attrib(r300, EMIT_4F, INTERP_PERSPECTIVE,
73 vs_outputs->pos);
74 } else {
75 assert(0);
76 }
77
78 /* Point size. */
79 if (vs_outputs->psize != ATTR_UNUSED) {
80 r300_draw_emit_attrib(r300, EMIT_1F_PSIZE, INTERP_POS,
81 vs_outputs->psize);
82 }
83
84 /* Colors. */
85 for (i = 0; i < ATTR_COLOR_COUNT; i++) {
86 if (vs_outputs->color[i] != ATTR_UNUSED) {
87 r300_draw_emit_attrib(r300, EMIT_4F, INTERP_LINEAR,
88 vs_outputs->color[i]);
89 }
90 }
91
92 /* XXX Back-face colors. */
93
94 /* Texture coordinates. */
95 /* Only 8 generic vertex attributes can be used. If there are more,
96 * they won't be rasterized. */
97 gen_count = 0;
98 for (i = 0; i < ATTR_GENERIC_COUNT && gen_count < 8; i++) {
99 if (vs_outputs->generic[i] != ATTR_UNUSED) {
100 r300_draw_emit_attrib(r300, EMIT_4F, INTERP_PERSPECTIVE,
101 vs_outputs->generic[i]);
102 gen_count++;
103 }
104 }
105
106 /* Fog coordinates. */
107 if (gen_count < 8 && vs_outputs->fog != ATTR_UNUSED) {
108 r300_draw_emit_attrib(r300, EMIT_4F, INTERP_PERSPECTIVE,
109 vs_outputs->fog);
110 gen_count++;
111 }
112 }
113
114 /* Update the PSC tables for SW TCL, using Draw. */
115 static void r300_swtcl_vertex_psc(struct r300_context *r300)
116 {
117 struct r300_vertex_stream_state *vstream = r300->vertex_stream_state.state;
118 struct vertex_info* vinfo = &r300->vertex_info;
119 uint16_t type, swizzle;
120 enum pipe_format format;
121 unsigned i, attrib_count;
122 int* vs_output_tab = r300->stream_loc_notcl;
123
124 /* XXX hax */
125 memset(vstream, 0, sizeof(struct r300_vertex_stream_state));
126
127 /* For each Draw attribute, route it to the fragment shader according
128 * to the vs_output_tab. */
129 attrib_count = vinfo->num_attribs;
130 DBG(r300, DBG_DRAW, "r300: attrib count: %d\n", attrib_count);
131 for (i = 0; i < attrib_count; i++) {
132 DBG(r300, DBG_DRAW, "r300: attrib: offset %d, interp %d, size %d,"
133 " vs_output_tab %d\n", vinfo->attrib[i].src_index,
134 vinfo->attrib[i].interp_mode, vinfo->attrib[i].emit,
135 vs_output_tab[i]);
136
137 /* Make sure we have a proper destination for our attribute. */
138 assert(vs_output_tab[i] != -1);
139
140 format = draw_translate_vinfo_format(vinfo->attrib[i].emit);
141
142 /* Obtain the type of data in this attribute. */
143 type = r300_translate_vertex_data_type(format) |
144 vs_output_tab[i] << R300_DST_VEC_LOC_SHIFT;
145
146 /* Obtain the swizzle for this attribute. Note that the default
147 * swizzle in the hardware is not XYZW! */
148 swizzle = r300_translate_vertex_data_swizzle(format);
149
150 /* Add the attribute to the PSC table. */
151 if (i & 1) {
152 vstream->vap_prog_stream_cntl[i >> 1] |= type << 16;
153 vstream->vap_prog_stream_cntl_ext[i >> 1] |= swizzle << 16;
154 } else {
155 vstream->vap_prog_stream_cntl[i >> 1] |= type;
156 vstream->vap_prog_stream_cntl_ext[i >> 1] |= swizzle;
157 }
158 }
159
160 /* Set the last vector in the PSC. */
161 if (i) {
162 i -= 1;
163 }
164 vstream->vap_prog_stream_cntl[i >> 1] |=
165 (R300_LAST_VEC << (i & 1 ? 16 : 0));
166
167 vstream->count = (i >> 1) + 1;
168 r300->vertex_stream_state.dirty = TRUE;
169 r300->vertex_stream_state.size = (1 + vstream->count) * 2;
170 }
171
172 static void r300_rs_col(struct r300_rs_block* rs, int id, int ptr,
173 enum r300_rs_swizzle swiz)
174 {
175 rs->ip[id] |= R300_RS_COL_PTR(ptr);
176 if (swiz == SWIZ_0001) {
177 rs->ip[id] |= R300_RS_COL_FMT(R300_RS_COL_FMT_0001);
178 } else {
179 rs->ip[id] |= R300_RS_COL_FMT(R300_RS_COL_FMT_RGBA);
180 }
181 rs->inst[id] |= R300_RS_INST_COL_ID(id);
182 }
183
184 static void r300_rs_col_write(struct r300_rs_block* rs, int id, int fp_offset)
185 {
186 rs->inst[id] |= R300_RS_INST_COL_CN_WRITE |
187 R300_RS_INST_COL_ADDR(fp_offset);
188 }
189
190 static void r300_rs_tex(struct r300_rs_block* rs, int id, int ptr,
191 enum r300_rs_swizzle swiz)
192 {
193 if (swiz == SWIZ_X001) {
194 rs->ip[id] |= R300_RS_TEX_PTR(ptr*4) |
195 R300_RS_SEL_S(R300_RS_SEL_C0) |
196 R300_RS_SEL_T(R300_RS_SEL_K0) |
197 R300_RS_SEL_R(R300_RS_SEL_K0) |
198 R300_RS_SEL_Q(R300_RS_SEL_K1);
199 } else if (swiz == SWIZ_XY01) {
200 rs->ip[id] |= R300_RS_TEX_PTR(ptr*4) |
201 R300_RS_SEL_S(R300_RS_SEL_C0) |
202 R300_RS_SEL_T(R300_RS_SEL_C1) |
203 R300_RS_SEL_R(R300_RS_SEL_K0) |
204 R300_RS_SEL_Q(R300_RS_SEL_K1);
205 } else {
206 rs->ip[id] |= R300_RS_TEX_PTR(ptr*4) |
207 R300_RS_SEL_S(R300_RS_SEL_C0) |
208 R300_RS_SEL_T(R300_RS_SEL_C1) |
209 R300_RS_SEL_R(R300_RS_SEL_C2) |
210 R300_RS_SEL_Q(R300_RS_SEL_C3);
211 }
212 rs->inst[id] |= R300_RS_INST_TEX_ID(id);
213 }
214
215 static void r300_rs_tex_write(struct r300_rs_block* rs, int id, int fp_offset)
216 {
217 rs->inst[id] |= R300_RS_INST_TEX_CN_WRITE |
218 R300_RS_INST_TEX_ADDR(fp_offset);
219 }
220
221 static void r500_rs_col(struct r300_rs_block* rs, int id, int ptr,
222 enum r300_rs_swizzle swiz)
223 {
224 rs->ip[id] |= R500_RS_COL_PTR(ptr);
225 if (swiz == SWIZ_0001) {
226 rs->ip[id] |= R500_RS_COL_FMT(R300_RS_COL_FMT_0001);
227 } else {
228 rs->ip[id] |= R500_RS_COL_FMT(R300_RS_COL_FMT_RGBA);
229 }
230 rs->inst[id] |= R500_RS_INST_COL_ID(id);
231 }
232
233 static void r500_rs_col_write(struct r300_rs_block* rs, int id, int fp_offset)
234 {
235 rs->inst[id] |= R500_RS_INST_COL_CN_WRITE |
236 R500_RS_INST_COL_ADDR(fp_offset);
237 }
238
239 static void r500_rs_tex(struct r300_rs_block* rs, int id, int ptr,
240 enum r300_rs_swizzle swiz)
241 {
242 int rs_tex_comp = ptr*4;
243
244 if (swiz == SWIZ_X001) {
245 rs->ip[id] |= R500_RS_SEL_S(rs_tex_comp) |
246 R500_RS_SEL_T(R500_RS_IP_PTR_K0) |
247 R500_RS_SEL_R(R500_RS_IP_PTR_K0) |
248 R500_RS_SEL_Q(R500_RS_IP_PTR_K1);
249 } else if (swiz == SWIZ_XY01) {
250 rs->ip[id] |= R500_RS_SEL_S(rs_tex_comp) |
251 R500_RS_SEL_T(rs_tex_comp + 1) |
252 R500_RS_SEL_R(R500_RS_IP_PTR_K0) |
253 R500_RS_SEL_Q(R500_RS_IP_PTR_K1);
254 } else {
255 rs->ip[id] |= R500_RS_SEL_S(rs_tex_comp) |
256 R500_RS_SEL_T(rs_tex_comp + 1) |
257 R500_RS_SEL_R(rs_tex_comp + 2) |
258 R500_RS_SEL_Q(rs_tex_comp + 3);
259 }
260 rs->inst[id] |= R500_RS_INST_TEX_ID(id);
261 }
262
263 static void r500_rs_tex_write(struct r300_rs_block* rs, int id, int fp_offset)
264 {
265 rs->inst[id] |= R500_RS_INST_TEX_CN_WRITE |
266 R500_RS_INST_TEX_ADDR(fp_offset);
267 }
268
269 /* Set up the RS block.
270 *
271 * This is the part of the chipset that is responsible for linking vertex
272 * and fragment shaders and stuffed texture coordinates.
273 *
274 * The rasterizer reads data from VAP, which produces vertex shader outputs,
275 * and GA, which produces stuffed texture coordinates. VAP outputs have
276 * precedence over GA. All outputs must be rasterized otherwise it locks up.
277 * If there are more outputs rasterized than is set in VAP/GA, it locks up
278 * too. The funky part is that this info has been pretty much obtained by trial
279 * and error. */
280 static void r300_update_rs_block(struct r300_context *r300)
281 {
282 struct r300_vertex_shader *vs = r300->vs_state.state;
283 struct r300_shader_semantics *vs_outputs = &vs->outputs;
284 struct r300_shader_semantics *fs_inputs = &r300_fs(r300)->shader->inputs;
285 struct r300_rs_block rs = {0};
286 int i, col_count = 0, tex_count = 0, fp_offset = 0, count, loc = 0;
287 void (*rX00_rs_col)(struct r300_rs_block*, int, int, enum r300_rs_swizzle);
288 void (*rX00_rs_col_write)(struct r300_rs_block*, int, int);
289 void (*rX00_rs_tex)(struct r300_rs_block*, int, int, enum r300_rs_swizzle);
290 void (*rX00_rs_tex_write)(struct r300_rs_block*, int, int);
291 boolean any_bcolor_used = vs_outputs->bcolor[0] != ATTR_UNUSED ||
292 vs_outputs->bcolor[1] != ATTR_UNUSED;
293 int *stream_loc_notcl = r300->stream_loc_notcl;
294
295 if (r300->screen->caps.is_r500) {
296 rX00_rs_col = r500_rs_col;
297 rX00_rs_col_write = r500_rs_col_write;
298 rX00_rs_tex = r500_rs_tex;
299 rX00_rs_tex_write = r500_rs_tex_write;
300 } else {
301 rX00_rs_col = r300_rs_col;
302 rX00_rs_col_write = r300_rs_col_write;
303 rX00_rs_tex = r300_rs_tex;
304 rX00_rs_tex_write = r300_rs_tex_write;
305 }
306
307 /* The position is always present in VAP. */
308 rs.vap_vsm_vtx_assm |= R300_INPUT_CNTL_POS;
309 rs.vap_out_vtx_fmt[0] |= R300_VAP_OUTPUT_VTX_FMT_0__POS_PRESENT;
310 stream_loc_notcl[loc++] = 0;
311
312 /* Set up the point size in VAP. */
313 if (vs_outputs->psize != ATTR_UNUSED) {
314 rs.vap_out_vtx_fmt[0] |= R300_VAP_OUTPUT_VTX_FMT_0__PT_SIZE_PRESENT;
315 stream_loc_notcl[loc++] = 1;
316 }
317
318 /* Set up and rasterize colors. */
319 for (i = 0; i < ATTR_COLOR_COUNT; i++) {
320 if (vs_outputs->color[i] != ATTR_UNUSED || any_bcolor_used ||
321 vs_outputs->color[1] != ATTR_UNUSED) {
322 /* Set up the color in VAP. */
323 rs.vap_vsm_vtx_assm |= R300_INPUT_CNTL_COLOR;
324 rs.vap_out_vtx_fmt[0] |=
325 R300_VAP_OUTPUT_VTX_FMT_0__COLOR_0_PRESENT << i;
326 stream_loc_notcl[loc++] = 2 + i;
327
328 /* Rasterize it. */
329 rX00_rs_col(&rs, col_count, col_count, SWIZ_XYZW);
330
331 /* Write it to the FS input register if it's needed by the FS. */
332 if (fs_inputs->color[i] != ATTR_UNUSED) {
333 rX00_rs_col_write(&rs, col_count, fp_offset);
334 fp_offset++;
335
336 DBG(r300, DBG_RS,
337 "r300: Rasterized color %i written to FS.\n", i);
338 } else {
339 DBG(r300, DBG_RS, "r300: Rasterized color %i unused.\n", i);
340 }
341 col_count++;
342 } else {
343 /* Skip the FS input register, leave it uninitialized. */
344 /* If we try to set it to (0,0,0,1), it will lock up. */
345 if (fs_inputs->color[i] != ATTR_UNUSED) {
346 fp_offset++;
347
348 DBG(r300, DBG_RS, "r300: FS input color %i unassigned%s.\n",
349 i);
350 }
351 }
352 }
353
354 /* Set up back-face colors. The rasterizer will do the color selection
355 * automatically. */
356 if (any_bcolor_used) {
357 for (i = 0; i < ATTR_COLOR_COUNT; i++) {
358 rs.vap_vsm_vtx_assm |= R300_INPUT_CNTL_COLOR;
359 rs.vap_out_vtx_fmt[0] |= R300_VAP_OUTPUT_VTX_FMT_0__COLOR_0_PRESENT << (2+i);
360 stream_loc_notcl[loc++] = 4 + i;
361 }
362 }
363
364 /* Rasterize texture coordinates. */
365 for (i = 0; i < ATTR_GENERIC_COUNT && tex_count < 8; i++) {
366 bool sprite_coord = !!(r300->sprite_coord_enable & (1 << i));
367
368 if (vs_outputs->generic[i] != ATTR_UNUSED || sprite_coord) {
369 if (!sprite_coord) {
370 /* Set up the texture coordinates in VAP. */
371 rs.vap_vsm_vtx_assm |= (R300_INPUT_CNTL_TC0 << tex_count);
372 rs.vap_out_vtx_fmt[1] |= (4 << (3 * tex_count));
373 stream_loc_notcl[loc++] = 6 + tex_count;
374 }
375
376 /* Rasterize it. */
377 rX00_rs_tex(&rs, tex_count, tex_count,
378 sprite_coord ? SWIZ_XY01 : SWIZ_XYZW);
379
380 /* Write it to the FS input register if it's needed by the FS. */
381 if (fs_inputs->generic[i] != ATTR_UNUSED) {
382 rX00_rs_tex_write(&rs, tex_count, fp_offset);
383 fp_offset++;
384
385 DBG(r300, DBG_RS,
386 "r300: Rasterized generic %i written to FS%s.\n",
387 i, sprite_coord ? " (sprite coord)" : "");
388 } else {
389 DBG(r300, DBG_RS,
390 "r300: Rasterized generic %i unused%s.\n",
391 i, sprite_coord ? " (sprite coord)" : "");
392 }
393 tex_count++;
394 } else {
395 /* Skip the FS input register, leave it uninitialized. */
396 /* If we try to set it to (0,0,0,1), it will lock up. */
397 if (fs_inputs->generic[i] != ATTR_UNUSED) {
398 fp_offset++;
399
400 DBG(r300, DBG_RS, "r300: FS input generic %i unassigned%s.\n",
401 i, sprite_coord ? " (sprite coord)" : "");
402 }
403 }
404 }
405
406 /* Rasterize fog coordinates. */
407 if (vs_outputs->fog != ATTR_UNUSED && tex_count < 8) {
408 /* Set up the fog coordinates in VAP. */
409 rs.vap_vsm_vtx_assm |= (R300_INPUT_CNTL_TC0 << tex_count);
410 rs.vap_out_vtx_fmt[1] |= (4 << (3 * tex_count));
411 stream_loc_notcl[loc++] = 6 + tex_count;
412
413 /* Rasterize it. */
414 rX00_rs_tex(&rs, tex_count, tex_count, SWIZ_X001);
415
416 /* Write it to the FS input register if it's needed by the FS. */
417 if (fs_inputs->fog != ATTR_UNUSED) {
418 rX00_rs_tex_write(&rs, tex_count, fp_offset);
419 fp_offset++;
420
421 DBG(r300, DBG_RS, "r300: Rasterized fog written to FS.\n");
422 } else {
423 DBG(r300, DBG_RS, "r300: Rasterized fog unused.\n");
424 }
425 tex_count++;
426 } else {
427 /* Skip the FS input register, leave it uninitialized. */
428 /* If we try to set it to (0,0,0,1), it will lock up. */
429 if (fs_inputs->fog != ATTR_UNUSED) {
430 fp_offset++;
431
432 DBG(r300, DBG_RS, "r300: FS input fog unassigned.\n");
433 }
434 }
435
436 /* Rasterize WPOS. */
437 /* Don't set it in VAP if the FS doesn't need it. */
438 if (fs_inputs->wpos != ATTR_UNUSED && tex_count < 8) {
439 /* Set up the WPOS coordinates in VAP. */
440 rs.vap_vsm_vtx_assm |= (R300_INPUT_CNTL_TC0 << tex_count);
441 rs.vap_out_vtx_fmt[1] |= (4 << (3 * tex_count));
442 stream_loc_notcl[loc++] = 6 + tex_count;
443
444 /* Rasterize it. */
445 rX00_rs_tex(&rs, tex_count, tex_count, SWIZ_XYZW);
446
447 /* Write it to the FS input register. */
448 rX00_rs_tex_write(&rs, tex_count, fp_offset);
449
450 DBG(r300, DBG_RS, "r300: Rasterized WPOS written to FS.\n");
451
452 fp_offset++;
453 tex_count++;
454 }
455
456 /* Invalidate the rest of the no-TCL (GA) stream locations. */
457 for (; loc < 16;) {
458 stream_loc_notcl[loc++] = -1;
459 }
460
461 /* Rasterize at least one color, or bad things happen. */
462 if (col_count == 0 && tex_count == 0) {
463 rX00_rs_col(&rs, 0, 0, SWIZ_0001);
464 col_count++;
465
466 DBG(r300, DBG_RS, "r300: Rasterized color 0 to prevent lockups.\n");
467 }
468
469 DBG(r300, DBG_RS, "r300: --- Rasterizer status ---: colors: %i, "
470 "generics: %i.\n", col_count, tex_count);
471
472 rs.count = (tex_count*4) | (col_count << R300_IC_COUNT_SHIFT) |
473 R300_HIRES_EN;
474
475 count = MAX3(col_count, tex_count, 1);
476 rs.inst_count = count - 1;
477
478 /* Now, after all that, see if we actually need to update the state. */
479 if (memcmp(r300->rs_block_state.state, &rs, sizeof(struct r300_rs_block))) {
480 memcpy(r300->rs_block_state.state, &rs, sizeof(struct r300_rs_block));
481 r300->rs_block_state.size = 11 + count*2;
482 }
483 }
484
485 static void r300_merge_textures_and_samplers(struct r300_context* r300)
486 {
487 struct r300_textures_state *state =
488 (struct r300_textures_state*)r300->textures_state.state;
489 struct r300_texture_sampler_state *texstate;
490 struct r300_sampler_state *sampler;
491 struct r300_sampler_view *view;
492 struct r300_texture *tex;
493 unsigned min_level, max_level, i, size;
494 unsigned count = MIN2(state->sampler_view_count,
495 state->sampler_state_count);
496
497 state->tx_enable = 0;
498 state->count = 0;
499 size = 2;
500
501 for (i = 0; i < count; i++) {
502 if (state->sampler_views[i] && state->sampler_states[i]) {
503 state->tx_enable |= 1 << i;
504
505 view = state->sampler_views[i];
506 tex = r300_texture(view->base.texture);
507 sampler = state->sampler_states[i];
508
509 texstate = &state->regs[i];
510 texstate->format = view->format;
511 texstate->filter0 = sampler->filter0;
512 texstate->filter1 = sampler->filter1;
513 texstate->border_color = sampler->border_color;
514
515 /* to emulate 1D textures through 2D ones correctly */
516 if (tex->b.b.target == PIPE_TEXTURE_1D) {
517 texstate->filter0 &= ~R300_TX_WRAP_T_MASK;
518 texstate->filter0 |= R300_TX_WRAP_T(R300_TX_CLAMP_TO_EDGE);
519 }
520
521 if (tex->uses_pitch) {
522 /* NPOT textures don't support mip filter, unfortunately.
523 * This prevents incorrect rendering. */
524 texstate->filter0 &= ~R300_TX_MIN_FILTER_MIP_MASK;
525
526 /* Mask out the mirrored flag. */
527 if (texstate->filter0 & R300_TX_WRAP_S(R300_TX_MIRRORED)) {
528 texstate->filter0 &= ~R300_TX_WRAP_S(R300_TX_MIRRORED);
529 }
530 if (texstate->filter0 & R300_TX_WRAP_T(R300_TX_MIRRORED)) {
531 texstate->filter0 &= ~R300_TX_WRAP_T(R300_TX_MIRRORED);
532 }
533
534 /* Change repeat to clamp-to-edge.
535 * (the repeat bit has a value of 0, no masking needed). */
536 if ((texstate->filter0 & R300_TX_WRAP_S_MASK) ==
537 R300_TX_WRAP_S(R300_TX_REPEAT)) {
538 texstate->filter0 |= R300_TX_WRAP_S(R300_TX_CLAMP_TO_EDGE);
539 }
540 if ((texstate->filter0 & R300_TX_WRAP_T_MASK) ==
541 R300_TX_WRAP_T(R300_TX_REPEAT)) {
542 texstate->filter0 |= R300_TX_WRAP_T(R300_TX_CLAMP_TO_EDGE);
543 }
544 } else {
545 /* determine min/max levels */
546 /* the MAX_MIP level is the largest (finest) one */
547 max_level = MIN3(sampler->max_lod + view->base.first_level,
548 tex->b.b.last_level, view->base.last_level);
549 min_level = MIN2(sampler->min_lod + view->base.first_level,
550 max_level);
551 texstate->format.format0 |= R300_TX_NUM_LEVELS(max_level);
552 texstate->filter0 |= R300_TX_MAX_MIP_LEVEL(min_level);
553 }
554
555 texstate->filter0 |= i << 28;
556
557 size += 16;
558 state->count = i+1;
559 }
560 }
561
562 r300->textures_state.size = size;
563
564 /* Pick a fragment shader based on either the texture compare state
565 * or the uses_pitch flag. */
566 if (r300->fs.state && count) {
567 if (r300_pick_fragment_shader(r300)) {
568 r300_mark_fs_code_dirty(r300);
569 }
570 }
571 }
572
573 void r300_update_derived_state(struct r300_context* r300)
574 {
575 if (r300->textures_state.dirty) {
576 r300_merge_textures_and_samplers(r300);
577 }
578
579 if (r300->rs_block_state.dirty) {
580 r300_update_rs_block(r300);
581 }
582
583 if (r300->draw) {
584 memset(&r300->vertex_info, 0, sizeof(struct vertex_info));
585 r300_draw_emit_all_attribs(r300);
586 draw_compute_vertex_size(&r300->vertex_info);
587 r300_swtcl_vertex_psc(r300);
588 }
589
590 r300_update_hyperz_state(r300);
591 }