2 * Copyright 2008 Corbin Simpson <MostAwesomeDude@gmail.com>
3 * Copyright 2009 Marek Olšák <maraeo@gmail.com>
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:
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
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. */
24 /* r300_emit: Functions for emitting state. */
26 #include "util/u_format.h"
27 #include "util/u_math.h"
28 #include "util/u_simple_list.h"
30 #include "r300_context.h"
32 #include "r300_emit.h"
34 #include "r300_screen.h"
35 #include "r300_state_derived.h"
36 #include "r300_state_inlines.h"
37 #include "r300_texture.h"
40 void r300_emit_blend_state(struct r300_context
* r300
, void* state
)
42 struct r300_blend_state
* blend
= (struct r300_blend_state
*)state
;
46 OUT_CS_REG(R300_RB3D_ROPCNTL
, blend
->rop
);
47 OUT_CS_REG_SEQ(R300_RB3D_CBLEND
, 3);
48 if (r300
->framebuffer_state
.nr_cbufs
) {
49 OUT_CS(blend
->blend_control
);
50 OUT_CS(blend
->alpha_blend_control
);
51 OUT_CS(blend
->color_channel_mask
);
56 /* XXX also disable fastfill here once it's supported */
58 OUT_CS_REG(R300_RB3D_DITHER_CTL
, blend
->dither
);
62 void r300_emit_blend_color_state(struct r300_context
* r300
, void* state
)
64 struct r300_blend_color_state
* bc
= (struct r300_blend_color_state
*)state
;
65 struct r300_screen
* r300screen
= r300_screen(r300
->context
.screen
);
68 if (r300screen
->caps
->is_r500
) {
70 OUT_CS_REG_SEQ(R500_RB3D_CONSTANT_COLOR_AR
, 2);
71 OUT_CS(bc
->blend_color_red_alpha
);
72 OUT_CS(bc
->blend_color_green_blue
);
76 OUT_CS_REG(R300_RB3D_BLEND_COLOR
, bc
->blend_color
);
81 void r300_emit_clip_state(struct r300_context
* r300
, void* state
)
83 struct pipe_clip_state
* clip
= (struct pipe_clip_state
*)state
;
85 struct r300_screen
* r300screen
= r300_screen(r300
->context
.screen
);
88 if (r300screen
->caps
->has_tcl
) {
89 BEGIN_CS(5 + (6 * 4));
90 OUT_CS_REG(R300_VAP_PVS_VECTOR_INDX_REG
,
91 (r300screen
->caps
->is_r500
?
92 R500_PVS_UCP_START
: R300_PVS_UCP_START
));
93 OUT_CS_ONE_REG(R300_VAP_PVS_UPLOAD_DATA
, 6 * 4);
94 for (i
= 0; i
< 6; i
++) {
95 OUT_CS_32F(clip
->ucp
[i
][0]);
96 OUT_CS_32F(clip
->ucp
[i
][1]);
97 OUT_CS_32F(clip
->ucp
[i
][2]);
98 OUT_CS_32F(clip
->ucp
[i
][3]);
100 OUT_CS_REG(R300_VAP_CLIP_CNTL
, ((1 << clip
->nr
) - 1) |
101 R300_PS_UCP_MODE_CLIP_AS_TRIFAN
);
105 OUT_CS_REG(R300_VAP_CLIP_CNTL
, R300_CLIP_DISABLE
);
111 void r300_emit_dsa_state(struct r300_context
* r300
, void* state
)
113 struct r300_dsa_state
* dsa
= (struct r300_dsa_state
*)state
;
114 struct r300_screen
* r300screen
= r300_screen(r300
->context
.screen
);
117 BEGIN_CS(r300screen
->caps
->is_r500
? 8 : 6);
118 OUT_CS_REG(R300_FG_ALPHA_FUNC
, dsa
->alpha_function
);
120 /* not needed since we use the 8bit alpha ref */
121 /*if (r300screen->caps->is_r500) {
122 OUT_CS_REG(R500_FG_ALPHA_VALUE, dsa->alpha_reference);
125 OUT_CS_REG_SEQ(R300_ZB_CNTL
, 3);
127 if (r300
->framebuffer_state
.zsbuf
) {
128 OUT_CS(dsa
->z_buffer_control
);
129 OUT_CS(dsa
->z_stencil_control
);
135 OUT_CS(dsa
->stencil_ref_mask
);
137 /* XXX it seems r3xx doesn't support STENCILREFMASK_BF */
138 if (r300screen
->caps
->is_r500
) {
139 OUT_CS_REG(R500_ZB_STENCILREFMASK_BF
, dsa
->stencil_ref_bf
);
144 static const float * get_shader_constant(
145 struct r300_context
* r300
,
146 struct rc_constant
* constant
,
147 struct r300_constant_buffer
* externals
)
149 struct r300_viewport_state
* viewport
=
150 (struct r300_viewport_state
*)r300
->viewport_state
.state
;
151 static float vec
[4] = { 0.0, 0.0, 0.0, 1.0 };
152 struct pipe_texture
*tex
;
154 switch(constant
->Type
) {
155 case RC_CONSTANT_EXTERNAL
:
156 return externals
->constants
[constant
->u
.External
];
158 case RC_CONSTANT_IMMEDIATE
:
159 return constant
->u
.Immediate
;
161 case RC_CONSTANT_STATE
:
162 switch (constant
->u
.State
[0]) {
163 /* Factor for converting rectangle coords to
164 * normalized coords. Should only show up on non-r500. */
165 case RC_STATE_R300_TEXRECT_FACTOR
:
166 tex
= &r300
->textures
[constant
->u
.State
[1]]->tex
;
167 vec
[0] = 1.0 / tex
->width0
;
168 vec
[1] = 1.0 / tex
->height0
;
171 /* Texture compare-fail value. */
172 /* XXX Since Gallium doesn't support GL_ARB_shadow_ambient,
173 * this is always (0,0,0,0), right? */
174 case RC_STATE_SHADOW_AMBIENT
:
178 case RC_STATE_R300_VIEWPORT_SCALE
:
179 if (r300
->tcl_bypass
) {
184 vec
[0] = viewport
->xscale
;
185 vec
[1] = viewport
->yscale
;
186 vec
[2] = viewport
->zscale
;
190 case RC_STATE_R300_VIEWPORT_OFFSET
:
191 if (!r300
->tcl_bypass
) {
192 vec
[0] = viewport
->xoffset
;
193 vec
[1] = viewport
->yoffset
;
194 vec
[2] = viewport
->zoffset
;
199 debug_printf("r300: Implementation error: "
200 "Unknown RC_CONSTANT type %d\n", constant
->u
.State
[0]);
205 debug_printf("r300: Implementation error: "
206 "Unhandled constant type %d\n", constant
->Type
);
209 /* This should either be (0, 0, 0, 1), which should be a relatively safe
210 * RGBA or STRQ value, or it could be one of the RC_CONSTANT_STATE
215 /* Convert a normal single-precision float into the 7.16 format
216 * used by the R300 fragment shader.
218 static uint32_t pack_float24(float f
)
226 uint32_t float24
= 0;
233 mantissa
= frexpf(f
, &exponent
);
237 float24
|= (1 << 23);
238 mantissa
= mantissa
* -1.0;
240 /* Handle exponent, bias of 63 */
242 float24
|= (exponent
<< 16);
243 /* Kill 7 LSB of mantissa */
244 float24
|= (u
.u
& 0x7FFFFF) >> 7;
249 void r300_emit_fragment_program_code(struct r300_context
* r300
,
250 struct rX00_fragment_program_code
* generic_code
)
252 struct r300_fragment_program_code
* code
= &generic_code
->code
.r300
;
257 code
->alu
.length
* 4 +
258 (code
->tex
.length
? (1 + code
->tex
.length
) : 0));
260 OUT_CS_REG(R300_US_CONFIG
, code
->config
);
261 OUT_CS_REG(R300_US_PIXSIZE
, code
->pixsize
);
262 OUT_CS_REG(R300_US_CODE_OFFSET
, code
->code_offset
);
264 OUT_CS_REG_SEQ(R300_US_CODE_ADDR_0
, 4);
265 for(i
= 0; i
< 4; ++i
)
266 OUT_CS(code
->code_addr
[i
]);
268 OUT_CS_REG_SEQ(R300_US_ALU_RGB_INST_0
, code
->alu
.length
);
269 for (i
= 0; i
< code
->alu
.length
; i
++)
270 OUT_CS(code
->alu
.inst
[i
].rgb_inst
);
272 OUT_CS_REG_SEQ(R300_US_ALU_RGB_ADDR_0
, code
->alu
.length
);
273 for (i
= 0; i
< code
->alu
.length
; i
++)
274 OUT_CS(code
->alu
.inst
[i
].rgb_addr
);
276 OUT_CS_REG_SEQ(R300_US_ALU_ALPHA_INST_0
, code
->alu
.length
);
277 for (i
= 0; i
< code
->alu
.length
; i
++)
278 OUT_CS(code
->alu
.inst
[i
].alpha_inst
);
280 OUT_CS_REG_SEQ(R300_US_ALU_ALPHA_ADDR_0
, code
->alu
.length
);
281 for (i
= 0; i
< code
->alu
.length
; i
++)
282 OUT_CS(code
->alu
.inst
[i
].alpha_addr
);
284 if (code
->tex
.length
) {
285 OUT_CS_REG_SEQ(R300_US_TEX_INST_0
, code
->tex
.length
);
286 for(i
= 0; i
< code
->tex
.length
; ++i
)
287 OUT_CS(code
->tex
.inst
[i
]);
293 void r300_emit_fs_constant_buffer(struct r300_context
* r300
,
294 struct rc_constant_list
* constants
)
299 if (constants
->Count
== 0)
302 BEGIN_CS(constants
->Count
* 4 + 1);
303 OUT_CS_REG_SEQ(R300_PFS_PARAM_0_X
, constants
->Count
* 4);
304 for(i
= 0; i
< constants
->Count
; ++i
) {
305 const float * data
= get_shader_constant(r300
,
306 &constants
->Constants
[i
],
307 &r300
->shader_constants
[PIPE_SHADER_FRAGMENT
]);
308 OUT_CS(pack_float24(data
[0]));
309 OUT_CS(pack_float24(data
[1]));
310 OUT_CS(pack_float24(data
[2]));
311 OUT_CS(pack_float24(data
[3]));
316 static void r300_emit_fragment_depth_config(struct r300_context
* r300
,
317 struct r300_fragment_shader
* fs
)
322 if (r300_fragment_shader_writes_depth(fs
)) {
323 OUT_CS_REG(R300_FG_DEPTH_SRC
, R300_FG_DEPTH_SRC_SHADER
);
324 OUT_CS_REG(R300_US_W_FMT
, R300_W_FMT_W24
| R300_W_SRC_US
);
326 OUT_CS_REG(R300_FG_DEPTH_SRC
, R300_FG_DEPTH_SRC_SCAN
);
327 OUT_CS_REG(R300_US_W_FMT
, R300_W_FMT_W0
| R300_W_SRC_US
);
332 void r500_emit_fragment_program_code(struct r300_context
* r300
,
333 struct rX00_fragment_program_code
* generic_code
)
335 struct r500_fragment_program_code
* code
= &generic_code
->code
.r500
;
340 ((code
->inst_end
+ 1) * 6));
341 OUT_CS_REG(R500_US_CONFIG
, R500_ZERO_TIMES_ANYTHING_EQUALS_ZERO
);
342 OUT_CS_REG(R500_US_PIXSIZE
, code
->max_temp_idx
);
343 OUT_CS_REG(R500_US_CODE_RANGE
,
344 R500_US_CODE_RANGE_ADDR(0) | R500_US_CODE_RANGE_SIZE(code
->inst_end
));
345 OUT_CS_REG(R500_US_CODE_OFFSET
, 0);
346 OUT_CS_REG(R500_US_CODE_ADDR
,
347 R500_US_CODE_START_ADDR(0) | R500_US_CODE_END_ADDR(code
->inst_end
));
349 OUT_CS_REG(R500_GA_US_VECTOR_INDEX
, R500_GA_US_VECTOR_INDEX_TYPE_INSTR
);
350 OUT_CS_ONE_REG(R500_GA_US_VECTOR_DATA
, (code
->inst_end
+ 1) * 6);
351 for (i
= 0; i
<= code
->inst_end
; i
++) {
352 OUT_CS(code
->inst
[i
].inst0
);
353 OUT_CS(code
->inst
[i
].inst1
);
354 OUT_CS(code
->inst
[i
].inst2
);
355 OUT_CS(code
->inst
[i
].inst3
);
356 OUT_CS(code
->inst
[i
].inst4
);
357 OUT_CS(code
->inst
[i
].inst5
);
363 void r500_emit_fs_constant_buffer(struct r300_context
* r300
,
364 struct rc_constant_list
* constants
)
369 if (constants
->Count
== 0)
372 BEGIN_CS(constants
->Count
* 4 + 3);
373 OUT_CS_REG(R500_GA_US_VECTOR_INDEX
, R500_GA_US_VECTOR_INDEX_TYPE_CONST
);
374 OUT_CS_ONE_REG(R500_GA_US_VECTOR_DATA
, constants
->Count
* 4);
375 for (i
= 0; i
< constants
->Count
; i
++) {
376 const float * data
= get_shader_constant(r300
,
377 &constants
->Constants
[i
],
378 &r300
->shader_constants
[PIPE_SHADER_FRAGMENT
]);
387 void r300_emit_fb_state(struct r300_context
* r300
,
388 struct pipe_framebuffer_state
* fb
)
390 struct r300_texture
* tex
;
391 struct pipe_surface
* surf
;
395 /* Shouldn't fail unless there is a bug in the state tracker. */
396 assert(fb
->nr_cbufs
<= 4);
398 BEGIN_CS((10 * fb
->nr_cbufs
) + (2 * (4 - fb
->nr_cbufs
)) +
399 (fb
->zsbuf
? 10 : 0) + 6);
401 /* Flush and free renderbuffer caches. */
402 OUT_CS_REG(R300_RB3D_DSTCACHE_CTLSTAT
,
403 R300_RB3D_DSTCACHE_CTLSTAT_DC_FREE_FREE_3D_TAGS
|
404 R300_RB3D_DSTCACHE_CTLSTAT_DC_FLUSH_FLUSH_DIRTY_3D
);
405 OUT_CS_REG(R300_ZB_ZCACHE_CTLSTAT
,
406 R300_ZB_ZCACHE_CTLSTAT_ZC_FLUSH_FLUSH_AND_FREE
|
407 R300_ZB_ZCACHE_CTLSTAT_ZC_FREE_FREE
);
409 /* Set the number of colorbuffers. */
410 OUT_CS_REG(R300_RB3D_CCTL
, R300_RB3D_CCTL_NUM_MULTIWRITES(fb
->nr_cbufs
));
412 /* Set up colorbuffers. */
413 for (i
= 0; i
< fb
->nr_cbufs
; i
++) {
415 tex
= (struct r300_texture
*)surf
->texture
;
416 assert(tex
&& tex
->buffer
&& "cbuf is marked, but NULL!");
418 OUT_CS_REG_SEQ(R300_RB3D_COLOROFFSET0
+ (4 * i
), 1);
419 OUT_CS_RELOC(tex
->buffer
, surf
->offset
, 0, RADEON_GEM_DOMAIN_VRAM
, 0);
421 OUT_CS_REG_SEQ(R300_RB3D_COLORPITCH0
+ (4 * i
), 1);
422 OUT_CS_RELOC(tex
->buffer
, tex
->pitch
[surf
->level
] |
423 r300_translate_colorformat(tex
->tex
.format
) |
424 R300_COLOR_TILE(tex
->macrotile
) |
425 R300_COLOR_MICROTILE(tex
->microtile
),
426 0, RADEON_GEM_DOMAIN_VRAM
, 0);
428 OUT_CS_REG(R300_US_OUT_FMT_0
+ (4 * i
),
429 r300_translate_out_fmt(surf
->format
));
432 /* Disable unused colorbuffers. */
434 OUT_CS_REG(R300_US_OUT_FMT_0
+ (4 * i
), R300_US_OUT_FMT_UNUSED
);
437 /* Set up a zbuffer. */
440 tex
= (struct r300_texture
*)surf
->texture
;
441 assert(tex
&& tex
->buffer
&& "zsbuf is marked, but NULL!");
443 OUT_CS_REG_SEQ(R300_ZB_DEPTHOFFSET
, 1);
444 OUT_CS_RELOC(tex
->buffer
, surf
->offset
, 0, RADEON_GEM_DOMAIN_VRAM
, 0);
446 OUT_CS_REG(R300_ZB_FORMAT
, r300_translate_zsformat(tex
->tex
.format
));
448 OUT_CS_REG_SEQ(R300_ZB_DEPTHPITCH
, 1);
449 OUT_CS_RELOC(tex
->buffer
, tex
->pitch
[surf
->level
] |
450 R300_DEPTHMACROTILE(tex
->macrotile
) |
451 R300_DEPTHMICROTILE(tex
->microtile
),
452 0, RADEON_GEM_DOMAIN_VRAM
, 0);
458 static void r300_emit_query_start(struct r300_context
*r300
)
460 struct r300_capabilities
*caps
= r300_screen(r300
->context
.screen
)->caps
;
461 struct r300_query
*query
= r300
->query_current
;
468 if (caps
->family
== CHIP_FAMILY_RV530
) {
469 OUT_CS_REG(RV530_FG_ZBREG_DEST
, RV530_FG_ZBREG_DEST_PIPE_SELECT_ALL
);
471 OUT_CS_REG(R300_SU_REG_DEST
, R300_RASTER_PIPE_SELECT_ALL
);
473 OUT_CS_REG(R300_ZB_ZPASS_DATA
, 0);
475 query
->begin_emitted
= TRUE
;
479 static void r300_emit_query_finish(struct r300_context
*r300
,
480 struct r300_query
*query
)
482 struct r300_capabilities
* caps
= r300_screen(r300
->context
.screen
)->caps
;
485 assert(caps
->num_frag_pipes
);
487 BEGIN_CS(6 * caps
->num_frag_pipes
+ 2);
488 /* I'm not so sure I like this switch, but it's hard to be elegant
489 * when there's so many special cases...
491 * So here's the basic idea. For each pipe, enable writes to it only,
492 * then put out the relocation for ZPASS_ADDR, taking into account a
493 * 4-byte offset for each pipe. RV380 and older are special; they have
494 * only two pipes, and the second pipe's enable is on bit 3, not bit 1,
495 * so there's a chipset cap for that. */
496 switch (caps
->num_frag_pipes
) {
499 OUT_CS_REG(R300_SU_REG_DEST
, 1 << 3);
500 OUT_CS_REG_SEQ(R300_ZB_ZPASS_ADDR
, 1);
501 OUT_CS_RELOC(r300
->oqbo
, query
->offset
+ (sizeof(uint32_t) * 3),
502 0, RADEON_GEM_DOMAIN_GTT
, 0);
505 OUT_CS_REG(R300_SU_REG_DEST
, 1 << 2);
506 OUT_CS_REG_SEQ(R300_ZB_ZPASS_ADDR
, 1);
507 OUT_CS_RELOC(r300
->oqbo
, query
->offset
+ (sizeof(uint32_t) * 2),
508 0, RADEON_GEM_DOMAIN_GTT
, 0);
511 /* As mentioned above, accomodate RV380 and older. */
512 OUT_CS_REG(R300_SU_REG_DEST
,
513 1 << (caps
->high_second_pipe
? 3 : 1));
514 OUT_CS_REG_SEQ(R300_ZB_ZPASS_ADDR
, 1);
515 OUT_CS_RELOC(r300
->oqbo
, query
->offset
+ (sizeof(uint32_t) * 1),
516 0, RADEON_GEM_DOMAIN_GTT
, 0);
519 OUT_CS_REG(R300_SU_REG_DEST
, 1 << 0);
520 OUT_CS_REG_SEQ(R300_ZB_ZPASS_ADDR
, 1);
521 OUT_CS_RELOC(r300
->oqbo
, query
->offset
+ (sizeof(uint32_t) * 0),
522 0, RADEON_GEM_DOMAIN_GTT
, 0);
525 debug_printf("r300: Implementation error: Chipset reports %d"
526 " pixel pipes!\n", caps
->num_frag_pipes
);
530 /* And, finally, reset it to normal... */
531 OUT_CS_REG(R300_SU_REG_DEST
, 0xF);
535 static void rv530_emit_query_single(struct r300_context
*r300
,
536 struct r300_query
*query
)
541 OUT_CS_REG(RV530_FG_ZBREG_DEST
, RV530_FG_ZBREG_DEST_PIPE_SELECT_0
);
542 OUT_CS_REG_SEQ(R300_ZB_ZPASS_ADDR
, 1);
543 OUT_CS_RELOC(r300
->oqbo
, query
->offset
, 0, RADEON_GEM_DOMAIN_GTT
, 0);
544 OUT_CS_REG(RV530_FG_ZBREG_DEST
, RV530_FG_ZBREG_DEST_PIPE_SELECT_ALL
);
548 static void rv530_emit_query_double(struct r300_context
*r300
,
549 struct r300_query
*query
)
554 OUT_CS_REG(RV530_FG_ZBREG_DEST
, RV530_FG_ZBREG_DEST_PIPE_SELECT_0
);
555 OUT_CS_REG_SEQ(R300_ZB_ZPASS_ADDR
, 1);
556 OUT_CS_RELOC(r300
->oqbo
, query
->offset
, 0, RADEON_GEM_DOMAIN_GTT
, 0);
557 OUT_CS_REG(RV530_FG_ZBREG_DEST
, RV530_FG_ZBREG_DEST_PIPE_SELECT_1
);
558 OUT_CS_REG_SEQ(R300_ZB_ZPASS_ADDR
, 1);
559 OUT_CS_RELOC(r300
->oqbo
, query
->offset
+ sizeof(uint32_t), 0, RADEON_GEM_DOMAIN_GTT
, 0);
560 OUT_CS_REG(RV530_FG_ZBREG_DEST
, RV530_FG_ZBREG_DEST_PIPE_SELECT_ALL
);
564 void r300_emit_query_end(struct r300_context
* r300
)
566 struct r300_capabilities
*caps
= r300_screen(r300
->context
.screen
)->caps
;
567 struct r300_query
*query
= r300
->query_current
;
572 if (query
->begin_emitted
== FALSE
)
575 if (caps
->family
== CHIP_FAMILY_RV530
) {
576 if (caps
->num_z_pipes
== 2)
577 rv530_emit_query_double(r300
, query
);
579 rv530_emit_query_single(r300
, query
);
581 r300_emit_query_finish(r300
, query
);
584 void r300_emit_rs_state(struct r300_context
* r300
, void* state
)
586 struct r300_rs_state
* rs
= (struct r300_rs_state
*)state
;
590 BEGIN_CS(20 + (rs
->polygon_offset_enable
? 5 : 0));
591 OUT_CS_REG(R300_VAP_CNTL_STATUS
, rs
->vap_control_status
);
593 OUT_CS_REG(R300_GB_AA_CONFIG
, rs
->antialiasing_config
);
595 OUT_CS_REG(R300_GA_POINT_SIZE
, rs
->point_size
);
596 OUT_CS_REG_SEQ(R300_GA_POINT_MINMAX
, 2);
597 OUT_CS(rs
->point_minmax
);
598 OUT_CS(rs
->line_control
);
600 if (rs
->polygon_offset_enable
) {
601 scale
= rs
->depth_scale
* 12;
602 offset
= rs
->depth_offset
;
604 switch (r300
->zbuffer_bpp
) {
613 OUT_CS_REG_SEQ(R300_SU_POLY_OFFSET_FRONT_SCALE
, 4);
620 OUT_CS_REG_SEQ(R300_SU_POLY_OFFSET_ENABLE
, 2);
621 OUT_CS(rs
->polygon_offset_enable
);
622 OUT_CS(rs
->cull_mode
);
623 OUT_CS_REG(R300_GA_LINE_STIPPLE_CONFIG
, rs
->line_stipple_config
);
624 OUT_CS_REG(R300_GA_LINE_STIPPLE_VALUE
, rs
->line_stipple_value
);
625 OUT_CS_REG(R300_GA_COLOR_CONTROL
, rs
->color_control
);
626 OUT_CS_REG(R300_GA_POLY_MODE
, rs
->polygon_mode
);
630 void r300_emit_rs_block_state(struct r300_context
* r300
,
631 struct r300_rs_block
* rs
)
634 struct r300_screen
* r300screen
= r300_screen(r300
->context
.screen
);
637 DBG(r300
, DBG_DRAW
, "r300: RS emit:\n");
640 if (r300screen
->caps
->is_r500
) {
641 OUT_CS_REG_SEQ(R500_RS_IP_0
, 8);
643 OUT_CS_REG_SEQ(R300_RS_IP_0
, 8);
645 for (i
= 0; i
< 8; i
++) {
647 DBG(r300
, DBG_DRAW
, " : ip %d: 0x%08x\n", i
, rs
->ip
[i
]);
650 OUT_CS_REG_SEQ(R300_RS_COUNT
, 2);
652 OUT_CS(rs
->inst_count
);
654 if (r300screen
->caps
->is_r500
) {
655 OUT_CS_REG_SEQ(R500_RS_INST_0
, 8);
657 OUT_CS_REG_SEQ(R300_RS_INST_0
, 8);
659 for (i
= 0; i
< 8; i
++) {
661 DBG(r300
, DBG_DRAW
, " : inst %d: 0x%08x\n", i
, rs
->inst
[i
]);
664 DBG(r300
, DBG_DRAW
, " : count: 0x%08x inst_count: 0x%08x\n",
665 rs
->count
, rs
->inst_count
);
670 void r300_emit_scissor_state(struct r300_context
* r300
, void* state
)
672 unsigned minx
, miny
, maxx
, maxy
;
673 uint32_t top_left
, bottom_right
;
674 struct r300_screen
* r300screen
= r300_screen(r300
->context
.screen
);
675 struct pipe_scissor_state
* scissor
= (struct pipe_scissor_state
*)state
;
679 maxx
= r300
->framebuffer_state
.width
;
680 maxy
= r300
->framebuffer_state
.height
;
682 if (((struct r300_rs_state
*)r300
->rs_state
.state
)->rs
.scissor
) {
683 minx
= MAX2(minx
, scissor
->minx
);
684 miny
= MAX2(miny
, scissor
->miny
);
685 maxx
= MIN2(maxx
, scissor
->maxx
);
686 maxy
= MIN2(maxy
, scissor
->maxy
);
689 /* Special case for zero-area scissor.
691 * We can't allow the variables maxx and maxy to be zero because they are
692 * subtracted from later in the code, which would cause emitting ~0 and
693 * making the kernel checker angry.
695 * Let's consider we change maxx and maxy to 1, which is effectively
696 * a one-pixel area. We must then change minx and miny to a number which is
697 * greater than 1 to get the zero area back. */
698 if (!maxx
|| !maxy
) {
705 if (r300screen
->caps
->is_r500
) {
707 (minx
<< R300_SCISSORS_X_SHIFT
) |
708 (miny
<< R300_SCISSORS_Y_SHIFT
);
710 ((maxx
- 1) << R300_SCISSORS_X_SHIFT
) |
711 ((maxy
- 1) << R300_SCISSORS_Y_SHIFT
);
713 /* Offset of 1440 in non-R500 chipsets. */
715 ((minx
+ 1440) << R300_SCISSORS_X_SHIFT
) |
716 ((miny
+ 1440) << R300_SCISSORS_Y_SHIFT
);
718 (((maxx
- 1) + 1440) << R300_SCISSORS_X_SHIFT
) |
719 (((maxy
- 1) + 1440) << R300_SCISSORS_Y_SHIFT
);
723 OUT_CS_REG_SEQ(R300_SC_SCISSORS_TL
, 2);
725 OUT_CS(bottom_right
);
729 void r300_emit_texture(struct r300_context
* r300
,
730 struct r300_sampler_state
* sampler
,
731 struct r300_texture
* tex
,
734 uint32_t filter0
= sampler
->filter0
;
735 uint32_t format0
= tex
->state
.format0
;
736 unsigned min_level
, max_level
;
739 /* to emulate 1D textures through 2D ones correctly */
740 if (tex
->tex
.target
== PIPE_TEXTURE_1D
) {
741 filter0
&= ~R300_TX_WRAP_T_MASK
;
742 filter0
|= R300_TX_WRAP_T(R300_TX_CLAMP_TO_EDGE
);
746 /* NPOT textures don't support mip filter, unfortunately.
747 * This prevents incorrect rendering. */
748 filter0
&= ~R300_TX_MIN_FILTER_MIP_MASK
;
750 /* determine min/max levels */
751 /* the MAX_MIP level is the largest (finest) one */
752 max_level
= MIN2(sampler
->max_lod
, tex
->tex
.last_level
);
753 min_level
= MIN2(sampler
->min_lod
, max_level
);
754 format0
|= R300_TX_NUM_LEVELS(max_level
);
755 filter0
|= R300_TX_MAX_MIP_LEVEL(min_level
);
759 OUT_CS_REG(R300_TX_FILTER0_0
+ (offset
* 4), filter0
|
761 OUT_CS_REG(R300_TX_FILTER1_0
+ (offset
* 4), sampler
->filter1
);
762 OUT_CS_REG(R300_TX_BORDER_COLOR_0
+ (offset
* 4), sampler
->border_color
);
764 OUT_CS_REG(R300_TX_FORMAT0_0
+ (offset
* 4), format0
);
765 OUT_CS_REG(R300_TX_FORMAT1_0
+ (offset
* 4), tex
->state
.format1
);
766 OUT_CS_REG(R300_TX_FORMAT2_0
+ (offset
* 4), tex
->state
.format2
);
767 OUT_CS_REG_SEQ(R300_TX_OFFSET_0
+ (offset
* 4), 1);
768 OUT_CS_RELOC(tex
->buffer
,
769 R300_TXO_MACRO_TILE(tex
->macrotile
) |
770 R300_TXO_MICRO_TILE(tex
->microtile
),
771 RADEON_GEM_DOMAIN_GTT
| RADEON_GEM_DOMAIN_VRAM
, 0, 0);
775 void r300_emit_aos(struct r300_context
* r300
, unsigned offset
)
777 struct pipe_vertex_buffer
*vb1
, *vb2
, *vbuf
= r300
->vertex_buffer
;
778 struct pipe_vertex_element
*velem
= r300
->vertex_element
;
780 unsigned size1
, size2
, aos_count
= r300
->vertex_element_count
;
781 unsigned packet_size
= (aos_count
* 3 + 1) / 2;
784 BEGIN_CS(2 + packet_size
+ aos_count
* 2);
785 OUT_CS_PKT3(R300_PACKET3_3D_LOAD_VBPNTR
, packet_size
);
788 for (i
= 0; i
< aos_count
- 1; i
+= 2) {
789 vb1
= &vbuf
[velem
[i
].vertex_buffer_index
];
790 vb2
= &vbuf
[velem
[i
+1].vertex_buffer_index
];
791 size1
= util_format_get_blocksize(velem
[i
].src_format
);
792 size2
= util_format_get_blocksize(velem
[i
+1].src_format
);
794 OUT_CS(R300_VBPNTR_SIZE0(size1
) | R300_VBPNTR_STRIDE0(vb1
->stride
) |
795 R300_VBPNTR_SIZE1(size2
) | R300_VBPNTR_STRIDE1(vb2
->stride
));
796 OUT_CS(vb1
->buffer_offset
+ velem
[i
].src_offset
+ offset
* vb1
->stride
);
797 OUT_CS(vb2
->buffer_offset
+ velem
[i
+1].src_offset
+ offset
* vb2
->stride
);
801 vb1
= &vbuf
[velem
[i
].vertex_buffer_index
];
802 size1
= util_format_get_blocksize(velem
[i
].src_format
);
804 OUT_CS(R300_VBPNTR_SIZE0(size1
) | R300_VBPNTR_STRIDE0(vb1
->stride
));
805 OUT_CS(vb1
->buffer_offset
+ velem
[i
].src_offset
+ offset
* vb1
->stride
);
808 for (i
= 0; i
< aos_count
; i
++) {
809 OUT_CS_RELOC_NO_OFFSET(vbuf
[velem
[i
].vertex_buffer_index
].buffer
,
810 RADEON_GEM_DOMAIN_GTT
, 0, 0);
815 void r300_emit_vertex_format_state(struct r300_context
* r300
)
820 DBG(r300
, DBG_DRAW
, "r300: VAP/PSC emit:\n");
823 OUT_CS_REG(R300_VAP_VTX_SIZE
, r300
->vertex_info
->vinfo
.size
);
825 OUT_CS_REG_SEQ(R300_VAP_VTX_STATE_CNTL
, 2);
826 OUT_CS(r300
->vertex_info
->vinfo
.hwfmt
[0]);
827 OUT_CS(r300
->vertex_info
->vinfo
.hwfmt
[1]);
828 OUT_CS_REG_SEQ(R300_VAP_OUTPUT_VTX_FMT_0
, 2);
829 OUT_CS(r300
->vertex_info
->vinfo
.hwfmt
[2]);
830 OUT_CS(r300
->vertex_info
->vinfo
.hwfmt
[3]);
831 for (i
= 0; i
< 4; i
++) {
832 DBG(r300
, DBG_DRAW
, " : hwfmt%d: 0x%08x\n", i
,
833 r300
->vertex_info
->vinfo
.hwfmt
[i
]);
836 OUT_CS_REG_SEQ(R300_VAP_PROG_STREAM_CNTL_0
, 8);
837 for (i
= 0; i
< 8; i
++) {
838 OUT_CS(r300
->vertex_info
->vap_prog_stream_cntl
[i
]);
839 DBG(r300
, DBG_DRAW
, " : prog_stream_cntl%d: 0x%08x\n", i
,
840 r300
->vertex_info
->vap_prog_stream_cntl
[i
]);
842 OUT_CS_REG_SEQ(R300_VAP_PROG_STREAM_CNTL_EXT_0
, 8);
843 for (i
= 0; i
< 8; i
++) {
844 OUT_CS(r300
->vertex_info
->vap_prog_stream_cntl_ext
[i
]);
845 DBG(r300
, DBG_DRAW
, " : prog_stream_cntl_ext%d: 0x%08x\n", i
,
846 r300
->vertex_info
->vap_prog_stream_cntl_ext
[i
]);
852 void r300_emit_vertex_program_code(struct r300_context
* r300
,
853 struct r300_vertex_program_code
* code
)
856 struct r300_screen
* r300screen
= r300_screen(r300
->context
.screen
);
857 unsigned instruction_count
= code
->length
/ 4;
859 int vtx_mem_size
= r300screen
->caps
->is_r500
? 128 : 72;
860 int input_count
= MAX2(util_bitcount(code
->InputsRead
), 1);
861 int output_count
= MAX2(util_bitcount(code
->OutputsWritten
), 1);
862 int temp_count
= MAX2(code
->num_temporaries
, 1);
863 int pvs_num_slots
= MIN3(vtx_mem_size
/ input_count
,
864 vtx_mem_size
/ output_count
, 10);
865 int pvs_num_controllers
= MIN2(vtx_mem_size
/ temp_count
, 6);
869 if (!r300screen
->caps
->has_tcl
) {
870 debug_printf("r300: Implementation error: emit_vertex_shader called,"
871 " but has_tcl is FALSE!\n");
875 BEGIN_CS(9 + code
->length
);
876 /* R300_VAP_PVS_CODE_CNTL_0
877 * R300_VAP_PVS_CONST_CNTL
878 * R300_VAP_PVS_CODE_CNTL_1
879 * See the r5xx docs for instructions on how to use these. */
880 OUT_CS_REG_SEQ(R300_VAP_PVS_CODE_CNTL_0
, 3);
881 OUT_CS(R300_PVS_FIRST_INST(0) |
882 R300_PVS_XYZW_VALID_INST(instruction_count
- 1) |
883 R300_PVS_LAST_INST(instruction_count
- 1));
884 OUT_CS(R300_PVS_MAX_CONST_ADDR(code
->constants
.Count
- 1));
885 OUT_CS(instruction_count
- 1);
887 OUT_CS_REG(R300_VAP_PVS_VECTOR_INDX_REG
, 0);
888 OUT_CS_ONE_REG(R300_VAP_PVS_UPLOAD_DATA
, code
->length
);
889 for (i
= 0; i
< code
->length
; i
++)
890 OUT_CS(code
->body
.d
[i
]);
892 OUT_CS_REG(R300_VAP_CNTL
, R300_PVS_NUM_SLOTS(pvs_num_slots
) |
893 R300_PVS_NUM_CNTLRS(pvs_num_controllers
) |
894 R300_PVS_NUM_FPUS(r300screen
->caps
->num_vert_fpus
) |
895 R300_PVS_VF_MAX_VTX_NUM(12) |
896 (r300screen
->caps
->is_r500
? R500_TCL_STATE_OPTIMIZATION
: 0));
900 void r300_emit_vertex_shader(struct r300_context
* r300
,
901 struct r300_vertex_shader
* vs
)
903 r300_emit_vertex_program_code(r300
, &vs
->code
);
906 void r300_emit_vs_constant_buffer(struct r300_context
* r300
,
907 struct rc_constant_list
* constants
)
910 struct r300_screen
* r300screen
= r300_screen(r300
->context
.screen
);
913 if (!r300screen
->caps
->has_tcl
) {
914 debug_printf("r300: Implementation error: emit_vertex_shader called,"
915 " but has_tcl is FALSE!\n");
919 if (constants
->Count
== 0)
922 BEGIN_CS(constants
->Count
* 4 + 3);
923 OUT_CS_REG(R300_VAP_PVS_VECTOR_INDX_REG
,
924 (r300screen
->caps
->is_r500
?
925 R500_PVS_CONST_START
: R300_PVS_CONST_START
));
926 OUT_CS_ONE_REG(R300_VAP_PVS_UPLOAD_DATA
, constants
->Count
* 4);
927 for (i
= 0; i
< constants
->Count
; i
++) {
928 const float * data
= get_shader_constant(r300
,
929 &constants
->Constants
[i
],
930 &r300
->shader_constants
[PIPE_SHADER_VERTEX
]);
939 void r300_emit_viewport_state(struct r300_context
* r300
, void* state
)
941 struct r300_viewport_state
* viewport
= (struct r300_viewport_state
*)state
;
944 if (r300
->tcl_bypass
) {
946 OUT_CS_REG(R300_VAP_VTE_CNTL
, 0);
950 OUT_CS_REG_SEQ(R300_SE_VPORT_XSCALE
, 6);
951 OUT_CS_32F(viewport
->xscale
);
952 OUT_CS_32F(viewport
->xoffset
);
953 OUT_CS_32F(viewport
->yscale
);
954 OUT_CS_32F(viewport
->yoffset
);
955 OUT_CS_32F(viewport
->zscale
);
956 OUT_CS_32F(viewport
->zoffset
);
957 OUT_CS_REG(R300_VAP_VTE_CNTL
, viewport
->vte_control
);
962 void r300_emit_texture_count(struct r300_context
* r300
)
964 uint32_t tx_enable
= 0;
968 /* Notice that texture_count and sampler_count are just sizes
969 * of the respective arrays. We still have to check for the individual
971 for (i
= 0; i
< MIN2(r300
->sampler_count
, r300
->texture_count
); i
++) {
972 if (r300
->textures
[i
]) {
978 OUT_CS_REG(R300_TX_ENABLE
, tx_enable
);
983 void r300_emit_ztop_state(struct r300_context
* r300
, void* state
)
985 struct r300_ztop_state
* ztop
= (struct r300_ztop_state
*)state
;
989 OUT_CS_REG(R300_ZB_ZTOP
, ztop
->z_buffer_top
);
993 void r300_flush_textures(struct r300_context
* r300
)
998 OUT_CS_REG(R300_TX_INVALTAGS
, 0);
1002 static void r300_flush_pvs(struct r300_context
* r300
)
1007 OUT_CS_REG(R300_VAP_PVS_STATE_FLUSH_REG
, 0x0);
1011 void r300_emit_buffer_validate(struct r300_context
*r300
)
1013 struct r300_texture
* tex
;
1015 boolean invalid
= FALSE
;
1017 /* Clean out BOs. */
1018 r300
->winsys
->reset_bos(r300
->winsys
);
1021 /* Color buffers... */
1022 for (i
= 0; i
< r300
->framebuffer_state
.nr_cbufs
; i
++) {
1023 tex
= (struct r300_texture
*)r300
->framebuffer_state
.cbufs
[i
]->texture
;
1024 assert(tex
&& tex
->buffer
&& "cbuf is marked, but NULL!");
1025 if (!r300
->winsys
->add_buffer(r300
->winsys
, tex
->buffer
,
1026 0, RADEON_GEM_DOMAIN_VRAM
)) {
1027 r300
->context
.flush(&r300
->context
, 0, NULL
);
1031 /* ...depth buffer... */
1032 if (r300
->framebuffer_state
.zsbuf
) {
1033 tex
= (struct r300_texture
*)r300
->framebuffer_state
.zsbuf
->texture
;
1034 assert(tex
&& tex
->buffer
&& "zsbuf is marked, but NULL!");
1035 if (!r300
->winsys
->add_buffer(r300
->winsys
, tex
->buffer
,
1036 0, RADEON_GEM_DOMAIN_VRAM
)) {
1037 r300
->context
.flush(&r300
->context
, 0, NULL
);
1041 /* ...textures... */
1042 for (i
= 0; i
< r300
->texture_count
; i
++) {
1043 tex
= r300
->textures
[i
];
1046 if (!r300
->winsys
->add_buffer(r300
->winsys
, tex
->buffer
,
1047 RADEON_GEM_DOMAIN_GTT
| RADEON_GEM_DOMAIN_VRAM
, 0)) {
1048 r300
->context
.flush(&r300
->context
, 0, NULL
);
1052 /* ...occlusion query buffer... */
1053 if (r300
->dirty_state
& R300_NEW_QUERY
) {
1054 if (!r300
->winsys
->add_buffer(r300
->winsys
, r300
->oqbo
,
1055 0, RADEON_GEM_DOMAIN_GTT
)) {
1056 r300
->context
.flush(&r300
->context
, 0, NULL
);
1060 /* ...and vertex buffer. */
1062 if (!r300
->winsys
->add_buffer(r300
->winsys
, r300
->vbo
,
1063 RADEON_GEM_DOMAIN_GTT
, 0)) {
1064 r300
->context
.flush(&r300
->context
, 0, NULL
);
1068 /* debug_printf("No VBO while emitting dirty state!\n"); */
1070 if (!r300
->winsys
->validate(r300
->winsys
)) {
1071 r300
->context
.flush(&r300
->context
, 0, NULL
);
1074 debug_printf("r300: Stuck in validation loop, gonna quit now.");
1082 /* Emit all dirty state. */
1083 void r300_emit_dirty_state(struct r300_context
* r300
)
1085 struct r300_screen
* r300screen
= r300_screen(r300
->context
.screen
);
1086 struct r300_atom
* atom
;
1087 unsigned i
, dwords
= 1024;
1090 /* Check the required number of dwords against the space remaining in the
1091 * current CS object. If we need more, then flush. */
1093 foreach(atom
, &r300
->atom_list
) {
1094 if (atom
->dirty
|| atom
->always_dirty
) {
1095 dwords
+= atom
->size
;
1099 /* Make sure we have at least 2*1024 spare dwords. */
1100 /* XXX It would be nice to know the number of dwords we really need to
1102 while (!r300
->winsys
->check_cs(r300
->winsys
, dwords
)) {
1103 r300
->context
.flush(&r300
->context
, 0, NULL
);
1106 if (r300
->dirty_state
& R300_NEW_QUERY
) {
1107 r300_emit_query_start(r300
);
1108 r300
->dirty_state
&= ~R300_NEW_QUERY
;
1111 foreach(atom
, &r300
->atom_list
) {
1112 if (atom
->dirty
|| atom
->always_dirty
) {
1113 atom
->emit(r300
, atom
->state
);
1114 atom
->dirty
= FALSE
;
1118 if (r300
->dirty_state
& R300_NEW_FRAGMENT_SHADER
) {
1119 r300_emit_fragment_depth_config(r300
, r300
->fs
);
1120 if (r300screen
->caps
->is_r500
) {
1121 r500_emit_fragment_program_code(r300
, &r300
->fs
->shader
->code
);
1123 r300_emit_fragment_program_code(r300
, &r300
->fs
->shader
->code
);
1125 r300
->dirty_state
&= ~R300_NEW_FRAGMENT_SHADER
;
1128 if (r300
->dirty_state
& R300_NEW_FRAGMENT_SHADER_CONSTANTS
) {
1129 if (r300screen
->caps
->is_r500
) {
1130 r500_emit_fs_constant_buffer(r300
,
1131 &r300
->fs
->shader
->code
.constants
);
1133 r300_emit_fs_constant_buffer(r300
,
1134 &r300
->fs
->shader
->code
.constants
);
1136 r300
->dirty_state
&= ~R300_NEW_FRAGMENT_SHADER_CONSTANTS
;
1139 if (r300
->dirty_state
& R300_NEW_FRAMEBUFFERS
) {
1140 r300_emit_fb_state(r300
, &r300
->framebuffer_state
);
1141 r300
->dirty_state
&= ~R300_NEW_FRAMEBUFFERS
;
1144 if (r300
->dirty_state
& R300_NEW_RS_BLOCK
) {
1145 r300_emit_rs_block_state(r300
, r300
->rs_block
);
1146 r300
->dirty_state
&= ~R300_NEW_RS_BLOCK
;
1149 /* Samplers and textures are tracked separately but emitted together. */
1150 if (r300
->dirty_state
&
1151 (R300_ANY_NEW_SAMPLERS
| R300_ANY_NEW_TEXTURES
)) {
1152 r300_emit_texture_count(r300
);
1154 for (i
= 0; i
< MIN2(r300
->sampler_count
, r300
->texture_count
); i
++) {
1155 if (r300
->dirty_state
&
1156 ((R300_NEW_SAMPLER
<< i
) | (R300_NEW_TEXTURE
<< i
))) {
1157 if (r300
->textures
[i
])
1158 r300_emit_texture(r300
,
1159 r300
->sampler_states
[i
],
1162 r300
->dirty_state
&=
1163 ~((R300_NEW_SAMPLER
<< i
) | (R300_NEW_TEXTURE
<< i
));
1167 r300
->dirty_state
&= ~(R300_ANY_NEW_SAMPLERS
| R300_ANY_NEW_TEXTURES
);
1171 r300_flush_textures(r300
);
1174 if (r300
->dirty_state
& R300_NEW_VERTEX_FORMAT
) {
1175 r300_emit_vertex_format_state(r300
);
1176 r300
->dirty_state
&= ~R300_NEW_VERTEX_FORMAT
;
1179 if (r300
->dirty_state
& (R300_NEW_VERTEX_SHADER
| R300_NEW_VERTEX_SHADER_CONSTANTS
)) {
1180 r300_flush_pvs(r300
);
1183 if (r300
->dirty_state
& R300_NEW_VERTEX_SHADER
) {
1184 r300_emit_vertex_shader(r300
, r300
->vs
);
1185 r300
->dirty_state
&= ~R300_NEW_VERTEX_SHADER
;
1188 if (r300
->dirty_state
& R300_NEW_VERTEX_SHADER_CONSTANTS
) {
1189 r300_emit_vs_constant_buffer(r300
, &r300
->vs
->code
.constants
);
1190 r300
->dirty_state
&= ~R300_NEW_VERTEX_SHADER_CONSTANTS
;
1194 assert(r300->dirty_state == 0);
1197 /* Finally, emit the VBO. */
1198 /* r300_emit_vertex_buffer(r300); */