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#include "util/u_pack_color.h"
29
30#include "r300_context.h"
31#include "r300_fs.h"
32#include "r300_screen.h"
33#include "r300_shader_semantics.h"
34#include "r300_state_inlines.h"
35#include "r300_texture.h"
36#include "r300_vs.h"
37
38/* r300_state_derived: Various bits of state which are dependent upon
39 * currently bound CSO data. */
40
41enum r300_rs_swizzle {
42    SWIZ_XYZW = 0,
43    SWIZ_X001,
44    SWIZ_XY01,
45    SWIZ_0001,
46};
47
48enum r300_rs_col_write_type {
49    WRITE_COLOR = 0,
50    WRITE_FACE
51};
52
53static void r300_draw_emit_attrib(struct r300_context* r300,
54                                  enum attrib_emit emit,
55                                  int index)
56{
57    struct r300_vertex_shader_code* vs = r300_vs(r300)->shader;
58    struct tgsi_shader_info* info = &vs->info;
59    int output;
60
61    output = draw_find_shader_output(r300->draw,
62                                     info->output_semantic_name[index],
63                                     info->output_semantic_index[index]);
64    draw_emit_vertex_attr(&r300->vertex_info, emit, output);
65}
66
67static void r300_draw_emit_all_attribs(struct r300_context* r300)
68{
69    struct r300_vertex_shader_code* vs = r300_vs(r300)->shader;
70    struct r300_shader_semantics* vs_outputs = &vs->outputs;
71    int i, gen_count;
72
73    /* Position. */
74    if (vs_outputs->pos != ATTR_UNUSED) {
75        r300_draw_emit_attrib(r300, EMIT_4F, vs_outputs->pos);
76    } else {
77        assert(0);
78    }
79
80    /* Point size. */
81    if (vs_outputs->psize != ATTR_UNUSED) {
82        r300_draw_emit_attrib(r300, EMIT_1F_PSIZE, vs_outputs->psize);
83    }
84
85    /* Colors. */
86    for (i = 0; i < ATTR_COLOR_COUNT; i++) {
87        if (vs_outputs->color[i] != ATTR_UNUSED) {
88            r300_draw_emit_attrib(r300, EMIT_4F, vs_outputs->color[i]);
89        }
90    }
91
92    /* Back-face colors. */
93    for (i = 0; i < ATTR_COLOR_COUNT; i++) {
94        if (vs_outputs->bcolor[i] != ATTR_UNUSED) {
95            r300_draw_emit_attrib(r300, EMIT_4F, vs_outputs->bcolor[i]);
96        }
97    }
98
99    /* Texture coordinates. */
100    /* Only 8 generic vertex attributes can be used. If there are more,
101     * they won't be rasterized. */
102    gen_count = 0;
103    for (i = 0; i < ATTR_GENERIC_COUNT && gen_count < 8; i++) {
104        if (vs_outputs->generic[i] != ATTR_UNUSED &&
105            (!(r300->sprite_coord_enable & (1U << i)) || !r300->is_point)) {
106            r300_draw_emit_attrib(r300, EMIT_4F, vs_outputs->generic[i]);
107            gen_count++;
108        }
109    }
110
111    /* Fog coordinates. */
112    if (gen_count < 8 && vs_outputs->fog != ATTR_UNUSED) {
113        r300_draw_emit_attrib(r300, EMIT_4F, vs_outputs->fog);
114        gen_count++;
115    }
116
117    /* WPOS. */
118    if (r300_fs(r300)->shader->inputs.wpos != ATTR_UNUSED && gen_count < 8) {
119        DBG(r300, DBG_SWTCL, "draw_emit_attrib: WPOS, index: %i\n",
120            vs_outputs->wpos);
121        r300_draw_emit_attrib(r300, EMIT_4F, vs_outputs->wpos);
122    }
123}
124
125/* Update the PSC tables for SW TCL, using Draw. */
126static void r300_swtcl_vertex_psc(struct r300_context *r300)
127{
128    struct r300_vertex_stream_state *vstream = r300->vertex_stream_state.state;
129    struct vertex_info *vinfo = &r300->vertex_info;
130    uint16_t type, swizzle;
131    enum pipe_format format;
132    unsigned i, attrib_count;
133    int* vs_output_tab = r300->stream_loc_notcl;
134
135    memset(vstream, 0, sizeof(struct r300_vertex_stream_state));
136
137    /* For each Draw attribute, route it to the fragment shader according
138     * to the vs_output_tab. */
139    attrib_count = vinfo->num_attribs;
140    DBG(r300, DBG_SWTCL, "r300: attrib count: %d\n", attrib_count);
141    for (i = 0; i < attrib_count; i++) {
142        if (vs_output_tab[i] == -1) {
143            assert(0);
144            abort();
145        }
146
147        format = draw_translate_vinfo_format(vinfo->attrib[i].emit);
148
149        DBG(r300, DBG_SWTCL,
150            "r300: swtcl_vertex_psc [%i] <- %s\n",
151            vs_output_tab[i], util_format_short_name(format));
152
153        /* Obtain the type of data in this attribute. */
154        type = r300_translate_vertex_data_type(format);
155        if (type == R300_INVALID_FORMAT) {
156            fprintf(stderr, "r300: Bad vertex format %s.\n",
157                    util_format_short_name(format));
158            assert(0);
159            abort();
160        }
161
162        type |= vs_output_tab[i] << R300_DST_VEC_LOC_SHIFT;
163
164        /* Obtain the swizzle for this attribute. Note that the default
165         * swizzle in the hardware is not XYZW! */
166        swizzle = r300_translate_vertex_data_swizzle(format);
167
168        /* Add the attribute to the PSC table. */
169        if (i & 1) {
170            vstream->vap_prog_stream_cntl[i >> 1] |= type << 16;
171            vstream->vap_prog_stream_cntl_ext[i >> 1] |= (uint32_t)swizzle << 16;
172        } else {
173            vstream->vap_prog_stream_cntl[i >> 1] |= type;
174            vstream->vap_prog_stream_cntl_ext[i >> 1] |= swizzle;
175        }
176    }
177
178    /* Set the last vector in the PSC. */
179    if (i) {
180        i -= 1;
181    }
182    vstream->vap_prog_stream_cntl[i >> 1] |=
183        (R300_LAST_VEC << (i & 1 ? 16 : 0));
184
185    vstream->count = (i >> 1) + 1;
186    r300_mark_atom_dirty(r300, &r300->vertex_stream_state);
187    r300->vertex_stream_state.size = (1 + vstream->count) * 2;
188}
189
190static void r300_rs_col(struct r300_rs_block* rs, int id, int ptr,
191                        enum r300_rs_swizzle swiz)
192{
193    rs->ip[id] |= R300_RS_COL_PTR(ptr);
194    if (swiz == SWIZ_0001) {
195        rs->ip[id] |= R300_RS_COL_FMT(R300_RS_COL_FMT_0001);
196    } else {
197        rs->ip[id] |= R300_RS_COL_FMT(R300_RS_COL_FMT_RGBA);
198    }
199    rs->inst[id] |= R300_RS_INST_COL_ID(id);
200}
201
202static void r300_rs_col_write(struct r300_rs_block* rs, int id, int fp_offset,
203                              enum r300_rs_col_write_type type)
204{
205    assert(type == WRITE_COLOR);
206    rs->inst[id] |= R300_RS_INST_COL_CN_WRITE |
207                    R300_RS_INST_COL_ADDR(fp_offset);
208}
209
210static void r300_rs_tex(struct r300_rs_block* rs, int id, int ptr,
211                        enum r300_rs_swizzle swiz)
212{
213    if (swiz == SWIZ_X001) {
214        rs->ip[id] |= R300_RS_TEX_PTR(ptr) |
215                      R300_RS_SEL_S(R300_RS_SEL_C0) |
216                      R300_RS_SEL_T(R300_RS_SEL_K0) |
217                      R300_RS_SEL_R(R300_RS_SEL_K0) |
218                      R300_RS_SEL_Q(R300_RS_SEL_K1);
219    } else if (swiz == SWIZ_XY01) {
220        rs->ip[id] |= R300_RS_TEX_PTR(ptr) |
221                      R300_RS_SEL_S(R300_RS_SEL_C0) |
222                      R300_RS_SEL_T(R300_RS_SEL_C1) |
223                      R300_RS_SEL_R(R300_RS_SEL_K0) |
224                      R300_RS_SEL_Q(R300_RS_SEL_K1);
225    } else {
226        rs->ip[id] |= R300_RS_TEX_PTR(ptr) |
227                      R300_RS_SEL_S(R300_RS_SEL_C0) |
228                      R300_RS_SEL_T(R300_RS_SEL_C1) |
229                      R300_RS_SEL_R(R300_RS_SEL_C2) |
230                      R300_RS_SEL_Q(R300_RS_SEL_C3);
231    }
232    rs->inst[id] |= R300_RS_INST_TEX_ID(id);
233}
234
235static void r300_rs_tex_write(struct r300_rs_block* rs, int id, int fp_offset)
236{
237    rs->inst[id] |= R300_RS_INST_TEX_CN_WRITE |
238                    R300_RS_INST_TEX_ADDR(fp_offset);
239}
240
241static void r500_rs_col(struct r300_rs_block* rs, int id, int ptr,
242                        enum r300_rs_swizzle swiz)
243{
244    rs->ip[id] |= R500_RS_COL_PTR(ptr);
245    if (swiz == SWIZ_0001) {
246        rs->ip[id] |= R500_RS_COL_FMT(R300_RS_COL_FMT_0001);
247    } else {
248        rs->ip[id] |= R500_RS_COL_FMT(R300_RS_COL_FMT_RGBA);
249    }
250    rs->inst[id] |= R500_RS_INST_COL_ID(id);
251}
252
253static void r500_rs_col_write(struct r300_rs_block* rs, int id, int fp_offset,
254                              enum r300_rs_col_write_type type)
255{
256    if (type == WRITE_FACE)
257        rs->inst[id] |= R500_RS_INST_COL_CN_WRITE_BACKFACE |
258                        R500_RS_INST_COL_ADDR(fp_offset);
259    else
260        rs->inst[id] |= R500_RS_INST_COL_CN_WRITE |
261                        R500_RS_INST_COL_ADDR(fp_offset);
262
263}
264
265static void r500_rs_tex(struct r300_rs_block* rs, int id, int ptr,
266			enum r300_rs_swizzle swiz)
267{
268    if (swiz == SWIZ_X001) {
269        rs->ip[id] |= R500_RS_SEL_S(ptr) |
270                      R500_RS_SEL_T(R500_RS_IP_PTR_K0) |
271                      R500_RS_SEL_R(R500_RS_IP_PTR_K0) |
272                      R500_RS_SEL_Q(R500_RS_IP_PTR_K1);
273    } else if (swiz == SWIZ_XY01) {
274        rs->ip[id] |= R500_RS_SEL_S(ptr) |
275                      R500_RS_SEL_T(ptr + 1) |
276                      R500_RS_SEL_R(R500_RS_IP_PTR_K0) |
277                      R500_RS_SEL_Q(R500_RS_IP_PTR_K1);
278    } else {
279        rs->ip[id] |= R500_RS_SEL_S(ptr) |
280                      R500_RS_SEL_T(ptr + 1) |
281                      R500_RS_SEL_R(ptr + 2) |
282                      R500_RS_SEL_Q(ptr + 3);
283    }
284    rs->inst[id] |= R500_RS_INST_TEX_ID(id);
285}
286
287static void r500_rs_tex_write(struct r300_rs_block* rs, int id, int fp_offset)
288{
289    rs->inst[id] |= R500_RS_INST_TEX_CN_WRITE |
290                    R500_RS_INST_TEX_ADDR(fp_offset);
291}
292
293/* Set up the RS block.
294 *
295 * This is the part of the chipset that is responsible for linking vertex
296 * and fragment shaders and stuffed texture coordinates.
297 *
298 * The rasterizer reads data from VAP, which produces vertex shader outputs,
299 * and GA, which produces stuffed texture coordinates. VAP outputs have
300 * precedence over GA. All outputs must be rasterized otherwise it locks up.
301 * If there are more outputs rasterized than is set in VAP/GA, it locks up
302 * too. The funky part is that this info has been pretty much obtained by trial
303 * and error. */
304static void r300_update_rs_block(struct r300_context *r300)
305{
306    struct r300_vertex_shader_code *vs = r300_vs(r300)->shader;
307    struct r300_shader_semantics *vs_outputs = &vs->outputs;
308    struct r300_shader_semantics *fs_inputs = &r300_fs(r300)->shader->inputs;
309    struct r300_rs_block rs = {0};
310    int i, col_count = 0, tex_count = 0, fp_offset = 0, count, loc = 0, tex_ptr = 0;
311    int gen_offset = 0;
312    void (*rX00_rs_col)(struct r300_rs_block*, int, int, enum r300_rs_swizzle);
313    void (*rX00_rs_col_write)(struct r300_rs_block*, int, int, enum r300_rs_col_write_type);
314    void (*rX00_rs_tex)(struct r300_rs_block*, int, int, enum r300_rs_swizzle);
315    void (*rX00_rs_tex_write)(struct r300_rs_block*, int, int);
316    boolean any_bcolor_used = vs_outputs->bcolor[0] != ATTR_UNUSED ||
317                              vs_outputs->bcolor[1] != ATTR_UNUSED;
318    int *stream_loc_notcl = r300->stream_loc_notcl;
319    uint32_t stuffing_enable = 0;
320
321    if (r300->screen->caps.is_r500) {
322        rX00_rs_col       = r500_rs_col;
323        rX00_rs_col_write = r500_rs_col_write;
324        rX00_rs_tex       = r500_rs_tex;
325        rX00_rs_tex_write = r500_rs_tex_write;
326    } else {
327        rX00_rs_col       = r300_rs_col;
328        rX00_rs_col_write = r300_rs_col_write;
329        rX00_rs_tex       = r300_rs_tex;
330        rX00_rs_tex_write = r300_rs_tex_write;
331    }
332
333    /* 0x5555 copied from classic, which means:
334     * Select user color 0 for COLOR0 up to COLOR7.
335     * What the hell does that mean? */
336    rs.vap_vtx_state_cntl = 0x5555;
337
338    /* The position is always present in VAP. */
339    rs.vap_vsm_vtx_assm |= R300_INPUT_CNTL_POS;
340    rs.vap_out_vtx_fmt[0] |= R300_VAP_OUTPUT_VTX_FMT_0__POS_PRESENT;
341    stream_loc_notcl[loc++] = 0;
342
343    /* Set up the point size in VAP. */
344    if (vs_outputs->psize != ATTR_UNUSED) {
345        rs.vap_out_vtx_fmt[0] |= R300_VAP_OUTPUT_VTX_FMT_0__PT_SIZE_PRESENT;
346        stream_loc_notcl[loc++] = 1;
347    }
348
349    /* Set up and rasterize colors. */
350    for (i = 0; i < ATTR_COLOR_COUNT; i++) {
351        if (vs_outputs->color[i] != ATTR_UNUSED || any_bcolor_used ||
352            vs_outputs->color[1] != ATTR_UNUSED) {
353            /* Set up the color in VAP. */
354            rs.vap_vsm_vtx_assm |= R300_INPUT_CNTL_COLOR;
355            rs.vap_out_vtx_fmt[0] |=
356                    R300_VAP_OUTPUT_VTX_FMT_0__COLOR_0_PRESENT << i;
357            stream_loc_notcl[loc++] = 2 + i;
358
359            /* Rasterize it. */
360            rX00_rs_col(&rs, col_count, col_count, SWIZ_XYZW);
361
362            /* Write it to the FS input register if it's needed by the FS. */
363            if (fs_inputs->color[i] != ATTR_UNUSED) {
364                rX00_rs_col_write(&rs, col_count, fp_offset, WRITE_COLOR);
365                fp_offset++;
366
367                DBG(r300, DBG_RS,
368                    "r300: Rasterized color %i written to FS.\n", i);
369            } else {
370                DBG(r300, DBG_RS, "r300: Rasterized color %i unused.\n", i);
371            }
372            col_count++;
373        } else {
374            /* Skip the FS input register, leave it uninitialized. */
375            /* If we try to set it to (0,0,0,1), it will lock up. */
376            if (fs_inputs->color[i] != ATTR_UNUSED) {
377                fp_offset++;
378
379                DBG(r300, DBG_RS, "r300: FS input color %i unassigned.\n",
380                    i);
381            }
382        }
383    }
384
385    /* Set up back-face colors. The rasterizer will do the color selection
386     * automatically. */
387    if (any_bcolor_used) {
388        if (r300->two_sided_color) {
389            /* Rasterize as back-face colors. */
390            for (i = 0; i < ATTR_COLOR_COUNT; i++) {
391                rs.vap_vsm_vtx_assm |= R300_INPUT_CNTL_COLOR;
392                rs.vap_out_vtx_fmt[0] |= R300_VAP_OUTPUT_VTX_FMT_0__COLOR_0_PRESENT << (2+i);
393                stream_loc_notcl[loc++] = 4 + i;
394            }
395        } else {
396            /* Rasterize two fake texcoords to prevent from the two-sided color
397             * selection. */
398            /* XXX Consider recompiling the vertex shader to save 2 RS units. */
399            for (i = 0; i < 2; i++) {
400                rs.vap_vsm_vtx_assm |= (R300_INPUT_CNTL_TC0 << tex_count);
401                rs.vap_out_vtx_fmt[1] |= (4 << (3 * tex_count));
402                stream_loc_notcl[loc++] = 6 + tex_count;
403
404                /* Rasterize it. */
405                rX00_rs_tex(&rs, tex_count, tex_ptr, SWIZ_XYZW);
406                tex_count++;
407                tex_ptr += 4;
408            }
409        }
410    }
411
412    /* gl_FrontFacing.
413     * Note that we can use either the two-sided color selection based on
414     * the front and back vertex shader colors, or gl_FrontFacing,
415     * but not both! It locks up otherwise.
416     *
417     * In Direct3D 9, the two-sided color selection can be used
418     * with shaders 2.0 only, while gl_FrontFacing can be used
419     * with shaders 3.0 only. The hardware apparently hasn't been designed
420     * to support both at the same time. */
421    if (r300->screen->caps.is_r500 && fs_inputs->face != ATTR_UNUSED &&
422        !(any_bcolor_used && r300->two_sided_color)) {
423        rX00_rs_col(&rs, col_count, col_count, SWIZ_XYZW);
424        rX00_rs_col_write(&rs, col_count, fp_offset, WRITE_FACE);
425        fp_offset++;
426        col_count++;
427        DBG(r300, DBG_RS, "r300: Rasterized FACE written to FS.\n");
428    } else if (fs_inputs->face != ATTR_UNUSED) {
429        fprintf(stderr, "r300: ERROR: FS input FACE unassigned.\n");
430    }
431
432    /* Re-use color varyings for texcoords if possible.
433     *
434     * The colors are interpolated as 20-bit floats (reduced precision),
435     * Use this hack only if there are too many generic varyings.
436     * (number of generic varyings + fog + wpos > 8) */
437    if (r300->screen->caps.is_r500 && !any_bcolor_used && !r300->flatshade &&
438	fs_inputs->face == ATTR_UNUSED &&
439        vs_outputs->num_generic + (vs_outputs->fog != ATTR_UNUSED) +
440        (fs_inputs->wpos != ATTR_UNUSED) > 8) {
441	for (i = 0; i < ATTR_GENERIC_COUNT && col_count < 2; i++) {
442	    /* Cannot use color varyings for sprite coords. */
443	    if (fs_inputs->generic[i] != ATTR_UNUSED &&
444		(r300->sprite_coord_enable & (1U << i)) && r300->is_point) {
445		break;
446	    }
447
448	    if (vs_outputs->generic[i] != ATTR_UNUSED) {
449		/* Set up the color in VAP. */
450		rs.vap_vsm_vtx_assm |= R300_INPUT_CNTL_COLOR;
451		rs.vap_out_vtx_fmt[0] |=
452			R300_VAP_OUTPUT_VTX_FMT_0__COLOR_0_PRESENT << col_count;
453		stream_loc_notcl[loc++] = 2 + col_count;
454
455		/* Rasterize it. */
456		rX00_rs_col(&rs, col_count, col_count, SWIZ_XYZW);
457
458		/* Write it to the FS input register if it's needed by the FS. */
459		if (fs_inputs->generic[i] != ATTR_UNUSED) {
460		    rX00_rs_col_write(&rs, col_count, fp_offset, WRITE_COLOR);
461		    fp_offset++;
462
463		    DBG(r300, DBG_RS,
464			"r300: Rasterized generic %i redirected to color %i and written to FS.\n",
465		        i, col_count);
466		} else {
467		    DBG(r300, DBG_RS, "r300: Rasterized generic %i redirected to color %i unused.\n",
468		        i, col_count);
469		}
470		col_count++;
471	    } else {
472		/* Skip the FS input register, leave it uninitialized. */
473		/* If we try to set it to (0,0,0,1), it will lock up. */
474		if (fs_inputs->generic[i] != ATTR_UNUSED) {
475		    fp_offset++;
476
477		    DBG(r300, DBG_RS, "r300: FS input generic %i unassigned.\n", i);
478		}
479	    }
480	}
481	gen_offset = i;
482    }
483
484    /* Rasterize texture coordinates. */
485    for (i = gen_offset; i < ATTR_GENERIC_COUNT && tex_count < 8; i++) {
486	boolean sprite_coord = false;
487
488	if (fs_inputs->generic[i] != ATTR_UNUSED) {
489	    sprite_coord = !!(r300->sprite_coord_enable & (1 << i)) && r300->is_point;
490	}
491
492        if (vs_outputs->generic[i] != ATTR_UNUSED || sprite_coord) {
493            if (!sprite_coord) {
494                /* Set up the texture coordinates in VAP. */
495                rs.vap_vsm_vtx_assm |= (R300_INPUT_CNTL_TC0 << tex_count);
496                rs.vap_out_vtx_fmt[1] |= (4 << (3 * tex_count));
497                stream_loc_notcl[loc++] = 6 + tex_count;
498            } else
499                stuffing_enable |=
500                    R300_GB_TEX_ST << (R300_GB_TEX0_SOURCE_SHIFT + (tex_count*2));
501
502            /* Rasterize it. */
503            rX00_rs_tex(&rs, tex_count, tex_ptr,
504			sprite_coord ? SWIZ_XY01 : SWIZ_XYZW);
505
506            /* Write it to the FS input register if it's needed by the FS. */
507            if (fs_inputs->generic[i] != ATTR_UNUSED) {
508                rX00_rs_tex_write(&rs, tex_count, fp_offset);
509                fp_offset++;
510
511                DBG(r300, DBG_RS,
512                    "r300: Rasterized generic %i written to FS%s in texcoord %d.\n",
513                    i, sprite_coord ? " (sprite coord)" : "", tex_count);
514            } else {
515                DBG(r300, DBG_RS,
516                    "r300: Rasterized generic %i unused%s.\n",
517                    i, sprite_coord ? " (sprite coord)" : "");
518            }
519            tex_count++;
520            tex_ptr += sprite_coord ? 2 : 4;
521        } else {
522            /* Skip the FS input register, leave it uninitialized. */
523            /* If we try to set it to (0,0,0,1), it will lock up. */
524            if (fs_inputs->generic[i] != ATTR_UNUSED) {
525                fp_offset++;
526
527                DBG(r300, DBG_RS, "r300: FS input generic %i unassigned%s.\n",
528                    i, sprite_coord ? " (sprite coord)" : "");
529            }
530        }
531    }
532
533    for (; i < ATTR_GENERIC_COUNT; i++) {
534        if (fs_inputs->generic[i] != ATTR_UNUSED) {
535            fprintf(stderr, "r300: ERROR: FS input generic %i unassigned, "
536                    "not enough hardware slots (it's not a bug, do not "
537                    "report it).\n", i);
538        }
539    }
540
541    /* Rasterize fog coordinates. */
542    if (vs_outputs->fog != ATTR_UNUSED && tex_count < 8) {
543        /* Set up the fog coordinates in VAP. */
544        rs.vap_vsm_vtx_assm |= (R300_INPUT_CNTL_TC0 << tex_count);
545        rs.vap_out_vtx_fmt[1] |= (4 << (3 * tex_count));
546        stream_loc_notcl[loc++] = 6 + tex_count;
547
548        /* Rasterize it. */
549        rX00_rs_tex(&rs, tex_count, tex_ptr, SWIZ_X001);
550
551        /* Write it to the FS input register if it's needed by the FS. */
552        if (fs_inputs->fog != ATTR_UNUSED) {
553            rX00_rs_tex_write(&rs, tex_count, fp_offset);
554            fp_offset++;
555
556            DBG(r300, DBG_RS, "r300: Rasterized fog written to FS.\n");
557        } else {
558            DBG(r300, DBG_RS, "r300: Rasterized fog unused.\n");
559        }
560        tex_count++;
561        tex_ptr += 4;
562    } else {
563        /* Skip the FS input register, leave it uninitialized. */
564        /* If we try to set it to (0,0,0,1), it will lock up. */
565        if (fs_inputs->fog != ATTR_UNUSED) {
566            fp_offset++;
567
568            if (tex_count < 8) {
569                DBG(r300, DBG_RS, "r300: FS input fog unassigned.\n");
570            } else {
571                fprintf(stderr, "r300: ERROR: FS input fog unassigned, "
572                        "not enough hardware slots. (it's not a bug, "
573                        "do not report it)\n");
574            }
575        }
576    }
577
578    /* Rasterize WPOS. */
579    /* Don't set it in VAP if the FS doesn't need it. */
580    if (fs_inputs->wpos != ATTR_UNUSED && tex_count < 8) {
581        /* Set up the WPOS coordinates in VAP. */
582        rs.vap_vsm_vtx_assm |= (R300_INPUT_CNTL_TC0 << tex_count);
583        rs.vap_out_vtx_fmt[1] |= (4 << (3 * tex_count));
584        stream_loc_notcl[loc++] = 6 + tex_count;
585
586        /* Rasterize it. */
587        rX00_rs_tex(&rs, tex_count, tex_ptr, SWIZ_XYZW);
588
589        /* Write it to the FS input register. */
590        rX00_rs_tex_write(&rs, tex_count, fp_offset);
591
592        DBG(r300, DBG_RS, "r300: Rasterized WPOS written to FS.\n");
593
594        fp_offset++;
595        tex_count++;
596        tex_ptr += 4;
597    } else {
598        if (fs_inputs->wpos != ATTR_UNUSED && tex_count >= 8) {
599            fprintf(stderr, "r300: ERROR: FS input WPOS unassigned, "
600                    "not enough hardware slots. (it's not a bug, do not "
601                    "report it)\n");
602        }
603    }
604
605    /* Invalidate the rest of the no-TCL (GA) stream locations. */
606    for (; loc < 16;) {
607        stream_loc_notcl[loc++] = -1;
608    }
609
610    /* Rasterize at least one color, or bad things happen. */
611    if (col_count == 0 && tex_count == 0) {
612        rX00_rs_col(&rs, 0, 0, SWIZ_0001);
613        col_count++;
614
615        DBG(r300, DBG_RS, "r300: Rasterized color 0 to prevent lockups.\n");
616    }
617
618    DBG(r300, DBG_RS, "r300: --- Rasterizer status ---: colors: %i, "
619        "generics: %i.\n", col_count, tex_count);
620
621    rs.count = MIN2(tex_ptr, 32) | (col_count << R300_IC_COUNT_SHIFT) |
622        R300_HIRES_EN;
623
624    count = MAX3(col_count, tex_count, 1);
625    rs.inst_count = count - 1;
626
627    /* set the GB enable flags */
628    if (r300->sprite_coord_enable && r300->is_point)
629	stuffing_enable |= R300_GB_POINT_STUFF_ENABLE;
630
631    rs.gb_enable = stuffing_enable;
632
633    /* Now, after all that, see if we actually need to update the state. */
634    if (memcmp(r300->rs_block_state.state, &rs, sizeof(struct r300_rs_block))) {
635        memcpy(r300->rs_block_state.state, &rs, sizeof(struct r300_rs_block));
636        r300->rs_block_state.size = 13 + count*2;
637    }
638}
639
640static void rgba_to_bgra(float color[4])
641{
642    float x = color[0];
643    color[0] = color[2];
644    color[2] = x;
645}
646
647static uint32_t r300_get_border_color(enum pipe_format format,
648                                      const float border[4],
649                                      boolean is_r500)
650{
651    const struct util_format_description *desc;
652    float border_swizzled[4] = {0};
653    union util_color uc = {0};
654
655    desc = util_format_description(format);
656
657    /* Do depth formats first. */
658    if (util_format_is_depth_or_stencil(format)) {
659        switch (format) {
660        case PIPE_FORMAT_Z16_UNORM:
661            return util_pack_z(PIPE_FORMAT_Z16_UNORM, border[0]);
662        case PIPE_FORMAT_X8Z24_UNORM:
663        case PIPE_FORMAT_S8_UINT_Z24_UNORM:
664            if (is_r500) {
665                return util_pack_z(PIPE_FORMAT_X8Z24_UNORM, border[0]);
666            } else {
667                return util_pack_z(PIPE_FORMAT_Z16_UNORM, border[0]) << 16;
668            }
669        default:
670            assert(0);
671            return 0;
672        }
673    }
674
675    /* Apply inverse swizzle of the format. */
676    util_format_unswizzle_4f(border_swizzled, border, desc->swizzle);
677
678    /* Compressed formats. */
679    if (util_format_is_compressed(format)) {
680        switch (format) {
681        case PIPE_FORMAT_RGTC1_SNORM:
682        case PIPE_FORMAT_LATC1_SNORM:
683            border_swizzled[0] = border_swizzled[0] < 0 ?
684                                 border_swizzled[0]*0.5+1 :
685                                 border_swizzled[0]*0.5;
686            FALLTHROUGH;
687
688        case PIPE_FORMAT_RGTC1_UNORM:
689        case PIPE_FORMAT_LATC1_UNORM:
690            /* Add 1/32 to round the border color instead of truncating. */
691            /* The Y component is used for the border color. */
692            border_swizzled[1] = border_swizzled[0] + 1.0f/32;
693            util_pack_color(border_swizzled, PIPE_FORMAT_B4G4R4A4_UNORM, &uc);
694            return uc.ui[0];
695        case PIPE_FORMAT_RGTC2_SNORM:
696        case PIPE_FORMAT_LATC2_SNORM:
697            util_pack_color(border_swizzled, PIPE_FORMAT_R8G8B8A8_SNORM, &uc);
698            return uc.ui[0];
699        case PIPE_FORMAT_RGTC2_UNORM:
700        case PIPE_FORMAT_LATC2_UNORM:
701            util_pack_color(border_swizzled, PIPE_FORMAT_R8G8B8A8_UNORM, &uc);
702            return uc.ui[0];
703        case PIPE_FORMAT_DXT1_SRGB:
704        case PIPE_FORMAT_DXT1_SRGBA:
705        case PIPE_FORMAT_DXT3_SRGBA:
706        case PIPE_FORMAT_DXT5_SRGBA:
707            util_pack_color(border_swizzled, PIPE_FORMAT_B8G8R8A8_SRGB, &uc);
708            return uc.ui[0];
709        default:
710            util_pack_color(border_swizzled, PIPE_FORMAT_B8G8R8A8_UNORM, &uc);
711            return uc.ui[0];
712        }
713    }
714
715    switch (desc->channel[0].size) {
716        case 2:
717            rgba_to_bgra(border_swizzled);
718            util_pack_color(border_swizzled, PIPE_FORMAT_B2G3R3_UNORM, &uc);
719            break;
720
721        case 4:
722            rgba_to_bgra(border_swizzled);
723            util_pack_color(border_swizzled, PIPE_FORMAT_B4G4R4A4_UNORM, &uc);
724            break;
725
726        case 5:
727            rgba_to_bgra(border_swizzled);
728            if (desc->channel[1].size == 5) {
729                util_pack_color(border_swizzled, PIPE_FORMAT_B5G5R5A1_UNORM, &uc);
730            } else if (desc->channel[1].size == 6) {
731                util_pack_color(border_swizzled, PIPE_FORMAT_B5G6R5_UNORM, &uc);
732            } else {
733                assert(0);
734            }
735            break;
736
737        default:
738        case 8:
739            if (desc->channel[0].type == UTIL_FORMAT_TYPE_SIGNED) {
740                util_pack_color(border_swizzled, PIPE_FORMAT_R8G8B8A8_SNORM, &uc);
741            } else if (desc->colorspace == UTIL_FORMAT_COLORSPACE_SRGB) {
742                if (desc->nr_channels == 2) {
743                    border_swizzled[3] = border_swizzled[1];
744                    util_pack_color(border_swizzled, PIPE_FORMAT_L8A8_SRGB, &uc);
745                } else {
746                    util_pack_color(border_swizzled, PIPE_FORMAT_R8G8B8A8_SRGB, &uc);
747                }
748            } else {
749                util_pack_color(border_swizzled, PIPE_FORMAT_R8G8B8A8_UNORM, &uc);
750            }
751            break;
752
753        case 10:
754            util_pack_color(border_swizzled, PIPE_FORMAT_R10G10B10A2_UNORM, &uc);
755            break;
756
757        case 16:
758            if (desc->nr_channels <= 2) {
759                if (desc->channel[0].type == UTIL_FORMAT_TYPE_FLOAT) {
760                    util_pack_color(border_swizzled, PIPE_FORMAT_R16G16_FLOAT, &uc);
761                } else if (desc->channel[0].type == UTIL_FORMAT_TYPE_SIGNED) {
762                    util_pack_color(border_swizzled, PIPE_FORMAT_R16G16_SNORM, &uc);
763                } else {
764                    util_pack_color(border_swizzled, PIPE_FORMAT_R16G16_UNORM, &uc);
765                }
766            } else {
767                if (desc->channel[0].type == UTIL_FORMAT_TYPE_SIGNED) {
768                    util_pack_color(border_swizzled, PIPE_FORMAT_R8G8B8A8_SNORM, &uc);
769                } else {
770                    util_pack_color(border_swizzled, PIPE_FORMAT_R8G8B8A8_UNORM, &uc);
771                }
772            }
773            break;
774
775        case 32:
776            if (desc->nr_channels == 1) {
777                util_pack_color(border_swizzled, PIPE_FORMAT_R32_FLOAT, &uc);
778            } else {
779                util_pack_color(border_swizzled, PIPE_FORMAT_R8G8B8A8_UNORM, &uc);
780            }
781            break;
782    }
783
784    return uc.ui[0];
785}
786
787static void r300_merge_textures_and_samplers(struct r300_context* r300)
788{
789    struct r300_textures_state *state =
790        (struct r300_textures_state*)r300->textures_state.state;
791    struct r300_texture_sampler_state *texstate;
792    struct r300_sampler_state *sampler;
793    struct r300_sampler_view *view;
794    struct r300_resource *tex;
795    unsigned base_level, min_level, level_count, i, j, size;
796    unsigned count = MIN2(state->sampler_view_count,
797                          state->sampler_state_count);
798    boolean has_us_format = r300->screen->caps.has_us_format;
799
800    /* The KIL opcode fix, see below. */
801    if (!count && !r300->screen->caps.is_r500)
802        count = 1;
803
804    state->tx_enable = 0;
805    state->count = 0;
806    size = 2;
807
808    for (i = 0; i < count; i++) {
809        if (state->sampler_views[i] && state->sampler_states[i]) {
810            state->tx_enable |= 1U << i;
811
812            view = state->sampler_views[i];
813            tex = r300_resource(view->base.texture);
814            sampler = state->sampler_states[i];
815
816            texstate = &state->regs[i];
817            texstate->format = view->format;
818            texstate->filter0 = sampler->filter0;
819            texstate->filter1 = sampler->filter1;
820
821            /* Set the border color. */
822            texstate->border_color =
823                r300_get_border_color(view->base.format,
824                                      sampler->state.border_color.f,
825                                      r300->screen->caps.is_r500);
826
827            /* determine min/max levels */
828            base_level = view->base.u.tex.first_level;
829            min_level = sampler->min_lod;
830            level_count = MIN3(sampler->max_lod,
831                               tex->b.last_level - base_level,
832                               view->base.u.tex.last_level - base_level);
833
834            if (base_level + min_level) {
835                unsigned offset;
836
837                if (tex->tex.is_npot) {
838                    /* Even though we do not implement mipmapping for NPOT
839                     * textures, we should at least honor the minimum level
840                     * which is allowed to be displayed. We do this by setting up
841                     * an i-th mipmap level as the zero level. */
842                    base_level += min_level;
843                }
844                offset = tex->tex.offset_in_bytes[base_level];
845
846                r300_texture_setup_format_state(r300->screen, tex,
847                                                view->base.format,
848                                                base_level,
849                                                view->width0_override,
850		                                view->height0_override,
851                                                &texstate->format);
852                texstate->format.tile_config |= offset & 0xffffffe0;
853                assert((offset & 0x1f) == 0);
854            }
855
856            /* Assign a texture cache region. */
857            texstate->format.format1 |= view->texcache_region;
858
859            /* Depth textures are kinda special. */
860            if (util_format_is_depth_or_stencil(view->base.format)) {
861                unsigned char depth_swizzle[4];
862
863                if (!r300->screen->caps.is_r500 &&
864                    util_format_get_blocksizebits(view->base.format) == 32) {
865                    /* X24x8 is sampled as Y16X16 on r3xx-r4xx.
866                     * The depth here is at the Y component. */
867                    for (j = 0; j < 4; j++)
868                        depth_swizzle[j] = PIPE_SWIZZLE_Y;
869                } else {
870                    for (j = 0; j < 4; j++)
871                        depth_swizzle[j] = PIPE_SWIZZLE_X;
872                }
873
874                /* If compare mode is disabled, sampler view swizzles
875                 * are stored in the format.
876                 * Otherwise, the swizzles must be applied after the compare
877                 * mode in the fragment shader. */
878                if (sampler->state.compare_mode == PIPE_TEX_COMPARE_NONE) {
879                    texstate->format.format1 |=
880                        r300_get_swizzle_combined(depth_swizzle,
881                                                  view->swizzle, FALSE);
882                } else {
883                    texstate->format.format1 |=
884                        r300_get_swizzle_combined(depth_swizzle, NULL, FALSE);
885                }
886            }
887
888            if (r300->screen->caps.dxtc_swizzle &&
889                util_format_is_compressed(view->base.format)) {
890                texstate->filter1 |= R400_DXTC_SWIZZLE_ENABLE;
891            }
892
893            /* to emulate 1D textures through 2D ones correctly */
894            if (tex->b.target == PIPE_TEXTURE_1D) {
895                texstate->filter0 &= ~R300_TX_WRAP_T_MASK;
896                texstate->filter0 |= R300_TX_WRAP_T(R300_TX_CLAMP_TO_EDGE);
897            }
898
899            /* The hardware doesn't like CLAMP and CLAMP_TO_BORDER
900             * for the 3rd coordinate if the texture isn't 3D. */
901            if (tex->b.target != PIPE_TEXTURE_3D) {
902                texstate->filter0 &= ~R300_TX_WRAP_R_MASK;
903            }
904
905            if (tex->tex.is_npot) {
906                /* NPOT textures don't support mip filter, unfortunately.
907                 * This prevents incorrect rendering. */
908                texstate->filter0 &= ~R300_TX_MIN_FILTER_MIP_MASK;
909
910                /* Mask out the mirrored flag. */
911                if (texstate->filter0 & R300_TX_WRAP_S(R300_TX_MIRRORED)) {
912                    texstate->filter0 &= ~R300_TX_WRAP_S(R300_TX_MIRRORED);
913                }
914                if (texstate->filter0 & R300_TX_WRAP_T(R300_TX_MIRRORED)) {
915                    texstate->filter0 &= ~R300_TX_WRAP_T(R300_TX_MIRRORED);
916                }
917
918                /* Change repeat to clamp-to-edge.
919                 * (the repeat bit has a value of 0, no masking needed). */
920                if ((texstate->filter0 & R300_TX_WRAP_S_MASK) ==
921                    R300_TX_WRAP_S(R300_TX_REPEAT)) {
922                    texstate->filter0 |= R300_TX_WRAP_S(R300_TX_CLAMP_TO_EDGE);
923                }
924                if ((texstate->filter0 & R300_TX_WRAP_T_MASK) ==
925                    R300_TX_WRAP_T(R300_TX_REPEAT)) {
926                    texstate->filter0 |= R300_TX_WRAP_T(R300_TX_CLAMP_TO_EDGE);
927                }
928            } else {
929                /* the MAX_MIP level is the largest (finest) one */
930                texstate->format.format0 |= R300_TX_NUM_LEVELS(level_count);
931                texstate->filter0 |= R300_TX_MAX_MIP_LEVEL(min_level);
932            }
933
934            /* Float textures only support nearest and mip-nearest filtering. */
935            if (util_format_is_float(view->base.format)) {
936                /* No MAG linear filtering. */
937                if ((texstate->filter0 & R300_TX_MAG_FILTER_MASK) ==
938                    R300_TX_MAG_FILTER_LINEAR) {
939                    texstate->filter0 &= ~R300_TX_MAG_FILTER_MASK;
940                    texstate->filter0 |= R300_TX_MAG_FILTER_NEAREST;
941                }
942                /* No MIN linear filtering. */
943                if ((texstate->filter0 & R300_TX_MIN_FILTER_MASK) ==
944                    R300_TX_MIN_FILTER_LINEAR) {
945                    texstate->filter0 &= ~R300_TX_MIN_FILTER_MASK;
946                    texstate->filter0 |= R300_TX_MIN_FILTER_NEAREST;
947                }
948                /* No mipmap linear filtering. */
949                if ((texstate->filter0 & R300_TX_MIN_FILTER_MIP_MASK) ==
950                    R300_TX_MIN_FILTER_MIP_LINEAR) {
951                    texstate->filter0 &= ~R300_TX_MIN_FILTER_MIP_MASK;
952                    texstate->filter0 |= R300_TX_MIN_FILTER_MIP_NEAREST;
953                }
954                /* No anisotropic filtering. */
955                texstate->filter0 &= ~R300_TX_MAX_ANISO_MASK;
956                texstate->filter1 &= ~R500_TX_MAX_ANISO_MASK;
957                texstate->filter1 &= ~R500_TX_ANISO_HIGH_QUALITY;
958            }
959
960            texstate->filter0 |= i << 28;
961
962            size += 16 + (has_us_format ? 2 : 0);
963            state->count = i+1;
964        } else {
965            /* For the KIL opcode to work on r3xx-r4xx, the texture unit
966             * assigned to this opcode (it's always the first one) must be
967             * enabled. Otherwise the opcode doesn't work.
968             *
969             * In order to not depend on the fragment shader, we just make
970             * the first unit enabled all the time. */
971            if (i == 0 && !r300->screen->caps.is_r500) {
972                pipe_sampler_view_reference(
973                        (struct pipe_sampler_view**)&state->sampler_views[i],
974                        &r300->texkill_sampler->base);
975
976                state->tx_enable |= 1U << i;
977
978                texstate = &state->regs[i];
979
980                /* Just set some valid state. */
981                texstate->format = r300->texkill_sampler->format;
982                texstate->filter0 =
983                        r300_translate_tex_filters(PIPE_TEX_FILTER_NEAREST,
984                                                   PIPE_TEX_FILTER_NEAREST,
985                                                   PIPE_TEX_FILTER_NEAREST,
986                                                   FALSE);
987                texstate->filter1 = 0;
988                texstate->border_color = 0;
989
990                texstate->filter0 |= i << 28;
991                size += 16 + (has_us_format ? 2 : 0);
992                state->count = i+1;
993            }
994        }
995    }
996
997    r300->textures_state.size = size;
998
999    /* Pick a fragment shader based on either the texture compare state
1000     * or the uses_pitch flag or some other external state. */
1001    if (count &&
1002        r300->fs_status == FRAGMENT_SHADER_VALID) {
1003        r300->fs_status = FRAGMENT_SHADER_MAYBE_DIRTY;
1004    }
1005}
1006
1007static void r300_decompress_depth_textures(struct r300_context *r300)
1008{
1009    struct r300_textures_state *state =
1010        (struct r300_textures_state*)r300->textures_state.state;
1011    struct pipe_resource *tex;
1012    unsigned count = MIN2(state->sampler_view_count,
1013                          state->sampler_state_count);
1014    unsigned i;
1015
1016    if (!r300->locked_zbuffer) {
1017        return;
1018    }
1019
1020    for (i = 0; i < count; i++) {
1021        if (state->sampler_views[i] && state->sampler_states[i]) {
1022            tex = state->sampler_views[i]->base.texture;
1023
1024            if (tex == r300->locked_zbuffer->texture) {
1025                r300_decompress_zmask_locked(r300);
1026                return;
1027            }
1028        }
1029    }
1030}
1031
1032static void r300_validate_fragment_shader(struct r300_context *r300)
1033{
1034    struct pipe_framebuffer_state *fb = r300->fb_state.state;
1035
1036    if (r300->fs.state && r300->fs_status != FRAGMENT_SHADER_VALID) {
1037        struct r300_fragment_program_external_state state;
1038        memset(&state, 0, sizeof(state));
1039        r300_fragment_program_get_external_state(r300, &state);
1040
1041        /* Pick the fragment shader based on external states.
1042         * Then mark the state dirty if the fragment shader is either dirty
1043         * or the function r300_pick_fragment_shader changed the shader. */
1044        if (r300_pick_fragment_shader(r300, r300_fs(r300), &state) ||
1045            r300->fs_status == FRAGMENT_SHADER_DIRTY) {
1046            /* Mark the state atom as dirty. */
1047            r300_mark_fs_code_dirty(r300);
1048
1049            /* Does Multiwrite need to be changed? */
1050            if (fb->nr_cbufs > 1) {
1051                boolean new_multiwrite =
1052                    r300_fragment_shader_writes_all(r300_fs(r300));
1053
1054                if (r300->fb_multiwrite != new_multiwrite) {
1055                    r300->fb_multiwrite = new_multiwrite;
1056                    r300_mark_fb_state_dirty(r300, R300_CHANGED_MULTIWRITE);
1057                }
1058            }
1059        }
1060        r300->fs_status = FRAGMENT_SHADER_VALID;
1061    }
1062}
1063
1064static void r300_pick_vertex_shader(struct r300_context *r300)
1065{
1066    struct r300_vertex_shader_code *ptr;
1067    struct r300_vertex_shader *vs = r300_vs(r300);
1068
1069    if (r300->vs_state.state) {
1070        bool wpos = r300_fs(r300)->shader->inputs.wpos != ATTR_UNUSED;
1071
1072        if (!vs->first) {
1073            /* Build the vertex shader for the first time. */
1074            vs->first = vs->shader = CALLOC_STRUCT(r300_vertex_shader_code);
1075            vs->first->wpos = wpos;
1076            r300_translate_vertex_shader(r300, vs);
1077            if (!vs->first->dummy)
1078                r300_mark_atom_dirty(r300, &r300->rs_block_state);
1079            return;
1080        }
1081        /* Pick the vertex shader based on whether we need wpos */
1082        if (vs->first->wpos != wpos) {
1083            if (vs->first->next && vs->first->next->wpos == wpos) {
1084                ptr = vs->first->next;
1085                vs->first->next = NULL;
1086                ptr->next = vs->first;
1087                vs->first = vs->shader = ptr;
1088            } else {
1089                ptr = CALLOC_STRUCT(r300_vertex_shader_code);
1090                ptr->next = vs->first;
1091                vs->first = vs->shader = ptr;
1092                vs->shader->wpos = wpos;
1093                r300_translate_vertex_shader(r300, vs);
1094            }
1095            if (!vs->first->dummy)
1096                r300_mark_atom_dirty(r300, &r300->rs_block_state);
1097        }
1098    }
1099}
1100
1101void r300_update_derived_state(struct r300_context* r300)
1102{
1103    if (r300->textures_state.dirty) {
1104        r300_decompress_depth_textures(r300);
1105        r300_merge_textures_and_samplers(r300);
1106    }
1107
1108    r300_validate_fragment_shader(r300);
1109    if (r300->screen->caps.has_tcl)
1110        r300_pick_vertex_shader(r300);
1111
1112    if (r300->rs_block_state.dirty) {
1113        r300_update_rs_block(r300);
1114
1115        if (r300->draw) {
1116            memset(&r300->vertex_info, 0, sizeof(struct vertex_info));
1117            r300_draw_emit_all_attribs(r300);
1118            draw_compute_vertex_size(&r300->vertex_info);
1119            r300_swtcl_vertex_psc(r300);
1120        }
1121    }
1122
1123    r300_update_hyperz_state(r300);
1124}
1125