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 #include "draw/draw_context.h"
26 #include "util/u_framebuffer.h"
27 #include "util/u_half.h"
28 #include "util/u_helpers.h"
29 #include "util/u_math.h"
30 #include "util/u_memory.h"
31 #include "util/u_pack_color.h"
32 #include "util/u_transfer.h"
33 #include "util/u_blend.h"
35 #include "tgsi/tgsi_parse.h"
37 #include "pipe/p_config.h"
40 #include "r300_context.h"
41 #include "r300_emit.h"
43 #include "r300_screen.h"
44 #include "r300_screen_buffer.h"
45 #include "r300_state_inlines.h"
47 #include "r300_texture.h"
50 /* r300_state: Functions used to intialize state context by translating
51 * Gallium state objects into semi-native r300 state objects. */
53 #define UPDATE_STATE(cso, atom) \
54 if (cso != atom.state) { \
56 r300_mark_atom_dirty(r300, &(atom)); \
59 static boolean
blend_discard_if_src_alpha_0(unsigned srcRGB
, unsigned srcA
,
60 unsigned dstRGB
, unsigned dstA
)
62 /* If the blend equation is ADD or REVERSE_SUBTRACT,
63 * SRC_ALPHA == 0, and the following state is set, the colorbuffer
64 * will not be changed.
65 * Notice that the dst factors are the src factors inverted. */
66 return (srcRGB
== PIPE_BLENDFACTOR_SRC_ALPHA
||
67 srcRGB
== PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE
||
68 srcRGB
== PIPE_BLENDFACTOR_ZERO
) &&
69 (srcA
== PIPE_BLENDFACTOR_SRC_COLOR
||
70 srcA
== PIPE_BLENDFACTOR_SRC_ALPHA
||
71 srcA
== PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE
||
72 srcA
== PIPE_BLENDFACTOR_ZERO
) &&
73 (dstRGB
== PIPE_BLENDFACTOR_INV_SRC_ALPHA
||
74 dstRGB
== PIPE_BLENDFACTOR_ONE
) &&
75 (dstA
== PIPE_BLENDFACTOR_INV_SRC_COLOR
||
76 dstA
== PIPE_BLENDFACTOR_INV_SRC_ALPHA
||
77 dstA
== PIPE_BLENDFACTOR_ONE
);
80 static boolean
blend_discard_if_src_alpha_1(unsigned srcRGB
, unsigned srcA
,
81 unsigned dstRGB
, unsigned dstA
)
83 /* If the blend equation is ADD or REVERSE_SUBTRACT,
84 * SRC_ALPHA == 1, and the following state is set, the colorbuffer
85 * will not be changed.
86 * Notice that the dst factors are the src factors inverted. */
87 return (srcRGB
== PIPE_BLENDFACTOR_INV_SRC_ALPHA
||
88 srcRGB
== PIPE_BLENDFACTOR_ZERO
) &&
89 (srcA
== PIPE_BLENDFACTOR_INV_SRC_COLOR
||
90 srcA
== PIPE_BLENDFACTOR_INV_SRC_ALPHA
||
91 srcA
== PIPE_BLENDFACTOR_ZERO
) &&
92 (dstRGB
== PIPE_BLENDFACTOR_SRC_ALPHA
||
93 dstRGB
== PIPE_BLENDFACTOR_ONE
) &&
94 (dstA
== PIPE_BLENDFACTOR_SRC_COLOR
||
95 dstA
== PIPE_BLENDFACTOR_SRC_ALPHA
||
96 dstA
== PIPE_BLENDFACTOR_ONE
);
99 static boolean
blend_discard_if_src_color_0(unsigned srcRGB
, unsigned srcA
,
100 unsigned dstRGB
, unsigned dstA
)
102 /* If the blend equation is ADD or REVERSE_SUBTRACT,
103 * SRC_COLOR == (0,0,0), and the following state is set, the colorbuffer
104 * will not be changed.
105 * Notice that the dst factors are the src factors inverted. */
106 return (srcRGB
== PIPE_BLENDFACTOR_SRC_COLOR
||
107 srcRGB
== PIPE_BLENDFACTOR_ZERO
) &&
108 (srcA
== PIPE_BLENDFACTOR_ZERO
) &&
109 (dstRGB
== PIPE_BLENDFACTOR_INV_SRC_COLOR
||
110 dstRGB
== PIPE_BLENDFACTOR_ONE
) &&
111 (dstA
== PIPE_BLENDFACTOR_ONE
);
114 static boolean
blend_discard_if_src_color_1(unsigned srcRGB
, unsigned srcA
,
115 unsigned dstRGB
, unsigned dstA
)
117 /* If the blend equation is ADD or REVERSE_SUBTRACT,
118 * SRC_COLOR == (1,1,1), and the following state is set, the colorbuffer
119 * will not be changed.
120 * Notice that the dst factors are the src factors inverted. */
121 return (srcRGB
== PIPE_BLENDFACTOR_INV_SRC_COLOR
||
122 srcRGB
== PIPE_BLENDFACTOR_ZERO
) &&
123 (srcA
== PIPE_BLENDFACTOR_ZERO
) &&
124 (dstRGB
== PIPE_BLENDFACTOR_SRC_COLOR
||
125 dstRGB
== PIPE_BLENDFACTOR_ONE
) &&
126 (dstA
== PIPE_BLENDFACTOR_ONE
);
129 static boolean
blend_discard_if_src_alpha_color_0(unsigned srcRGB
, unsigned srcA
,
130 unsigned dstRGB
, unsigned dstA
)
132 /* If the blend equation is ADD or REVERSE_SUBTRACT,
133 * SRC_ALPHA_COLOR == (0,0,0,0), and the following state is set,
134 * the colorbuffer will not be changed.
135 * Notice that the dst factors are the src factors inverted. */
136 return (srcRGB
== PIPE_BLENDFACTOR_SRC_COLOR
||
137 srcRGB
== PIPE_BLENDFACTOR_SRC_ALPHA
||
138 srcRGB
== PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE
||
139 srcRGB
== PIPE_BLENDFACTOR_ZERO
) &&
140 (srcA
== PIPE_BLENDFACTOR_SRC_COLOR
||
141 srcA
== PIPE_BLENDFACTOR_SRC_ALPHA
||
142 srcA
== PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE
||
143 srcA
== PIPE_BLENDFACTOR_ZERO
) &&
144 (dstRGB
== PIPE_BLENDFACTOR_INV_SRC_COLOR
||
145 dstRGB
== PIPE_BLENDFACTOR_INV_SRC_ALPHA
||
146 dstRGB
== PIPE_BLENDFACTOR_ONE
) &&
147 (dstA
== PIPE_BLENDFACTOR_INV_SRC_COLOR
||
148 dstA
== PIPE_BLENDFACTOR_INV_SRC_ALPHA
||
149 dstA
== PIPE_BLENDFACTOR_ONE
);
152 static boolean
blend_discard_if_src_alpha_color_1(unsigned srcRGB
, unsigned srcA
,
153 unsigned dstRGB
, unsigned dstA
)
155 /* If the blend equation is ADD or REVERSE_SUBTRACT,
156 * SRC_ALPHA_COLOR == (1,1,1,1), and the following state is set,
157 * the colorbuffer will not be changed.
158 * Notice that the dst factors are the src factors inverted. */
159 return (srcRGB
== PIPE_BLENDFACTOR_INV_SRC_COLOR
||
160 srcRGB
== PIPE_BLENDFACTOR_INV_SRC_ALPHA
||
161 srcRGB
== PIPE_BLENDFACTOR_ZERO
) &&
162 (srcA
== PIPE_BLENDFACTOR_INV_SRC_COLOR
||
163 srcA
== PIPE_BLENDFACTOR_INV_SRC_ALPHA
||
164 srcA
== PIPE_BLENDFACTOR_ZERO
) &&
165 (dstRGB
== PIPE_BLENDFACTOR_SRC_COLOR
||
166 dstRGB
== PIPE_BLENDFACTOR_SRC_ALPHA
||
167 dstRGB
== PIPE_BLENDFACTOR_ONE
) &&
168 (dstA
== PIPE_BLENDFACTOR_SRC_COLOR
||
169 dstA
== PIPE_BLENDFACTOR_SRC_ALPHA
||
170 dstA
== PIPE_BLENDFACTOR_ONE
);
173 static unsigned blend_discard_conditionally(unsigned eqRGB
, unsigned eqA
,
174 unsigned dstRGB
, unsigned dstA
,
175 unsigned srcRGB
, unsigned srcA
)
177 unsigned blend_control
= 0;
179 /* Optimization: discard pixels which don't change the colorbuffer.
181 * The code below is non-trivial and some math is involved.
183 * Discarding pixels must be disabled when FP16 AA is enabled.
184 * This is a hardware bug. Also, this implementation wouldn't work
185 * with FP blending enabled and equation clamping disabled.
187 * Equations other than ADD are rarely used and therefore won't be
189 if ((eqRGB
== PIPE_BLEND_ADD
|| eqRGB
== PIPE_BLEND_REVERSE_SUBTRACT
) &&
190 (eqA
== PIPE_BLEND_ADD
|| eqA
== PIPE_BLEND_REVERSE_SUBTRACT
)) {
192 * REVERSE_SUBTRACT: Y-X
195 * If X = src*srcFactor = 0 and Y = dst*dstFactor = 1,
196 * then CB will not be changed.
198 * Given the srcFactor and dstFactor variables, we can derive
199 * what src and dst should be equal to and discard appropriate
202 if (blend_discard_if_src_alpha_0(srcRGB
, srcA
, dstRGB
, dstA
)) {
203 blend_control
|= R300_DISCARD_SRC_PIXELS_SRC_ALPHA_0
;
204 } else if (blend_discard_if_src_alpha_1(srcRGB
, srcA
,
206 blend_control
|= R300_DISCARD_SRC_PIXELS_SRC_ALPHA_1
;
207 } else if (blend_discard_if_src_color_0(srcRGB
, srcA
,
209 blend_control
|= R300_DISCARD_SRC_PIXELS_SRC_COLOR_0
;
210 } else if (blend_discard_if_src_color_1(srcRGB
, srcA
,
212 blend_control
|= R300_DISCARD_SRC_PIXELS_SRC_COLOR_1
;
213 } else if (blend_discard_if_src_alpha_color_0(srcRGB
, srcA
,
216 R300_DISCARD_SRC_PIXELS_SRC_ALPHA_COLOR_0
;
217 } else if (blend_discard_if_src_alpha_color_1(srcRGB
, srcA
,
220 R300_DISCARD_SRC_PIXELS_SRC_ALPHA_COLOR_1
;
223 return blend_control
;
226 /* The hardware colormask is clunky a must be swizzled depending on the format.
227 * This was figured out by trial-and-error. */
228 static unsigned bgra_cmask(unsigned mask
)
230 return ((mask
& PIPE_MASK_R
) << 2) |
231 ((mask
& PIPE_MASK_B
) >> 2) |
232 (mask
& (PIPE_MASK_G
| PIPE_MASK_A
));
235 static unsigned rgba_cmask(unsigned mask
)
237 return mask
& PIPE_MASK_RGBA
;
240 static unsigned rrrr_cmask(unsigned mask
)
242 return (mask
& PIPE_MASK_R
) |
243 ((mask
& PIPE_MASK_R
) << 1) |
244 ((mask
& PIPE_MASK_R
) << 2) |
245 ((mask
& PIPE_MASK_R
) << 3);
248 static unsigned aaaa_cmask(unsigned mask
)
250 return ((mask
& PIPE_MASK_A
) >> 3) |
251 ((mask
& PIPE_MASK_A
) >> 2) |
252 ((mask
& PIPE_MASK_A
) >> 1) |
253 (mask
& PIPE_MASK_A
);
256 static unsigned grrg_cmask(unsigned mask
)
258 return ((mask
& PIPE_MASK_R
) << 1) |
259 ((mask
& PIPE_MASK_R
) << 2) |
260 ((mask
& PIPE_MASK_G
) >> 1) |
261 ((mask
& PIPE_MASK_G
) << 2);
264 static unsigned arra_cmask(unsigned mask
)
266 return ((mask
& PIPE_MASK_R
) << 1) |
267 ((mask
& PIPE_MASK_R
) << 2) |
268 ((mask
& PIPE_MASK_A
) >> 3) |
269 (mask
& PIPE_MASK_A
);
272 static unsigned blend_read_enable(unsigned eqRGB
, unsigned eqA
,
273 unsigned dstRGB
, unsigned dstA
,
274 unsigned srcRGB
, unsigned srcA
,
275 boolean src_alpha_optz
)
277 unsigned blend_control
= 0;
279 /* Optimization: some operations do not require the destination color.
281 * When SRC_ALPHA_SATURATE is used, colorbuffer reads must be enabled,
282 * otherwise blending gives incorrect results. It seems to be
284 if (eqRGB
== PIPE_BLEND_MIN
|| eqA
== PIPE_BLEND_MIN
||
285 eqRGB
== PIPE_BLEND_MAX
|| eqA
== PIPE_BLEND_MAX
||
286 dstRGB
!= PIPE_BLENDFACTOR_ZERO
||
287 dstA
!= PIPE_BLENDFACTOR_ZERO
||
288 util_blend_factor_uses_dest(srcRGB
, false) ||
289 util_blend_factor_uses_dest(srcA
, true)) {
290 /* Enable reading from the colorbuffer. */
291 blend_control
|= R300_READ_ENABLE
;
293 if (src_alpha_optz
) {
294 /* Optimization: Depending on incoming pixels, we can
295 * conditionally disable the reading in hardware... */
296 if (eqRGB
!= PIPE_BLEND_MIN
&& eqA
!= PIPE_BLEND_MIN
&&
297 eqRGB
!= PIPE_BLEND_MAX
&& eqA
!= PIPE_BLEND_MAX
) {
298 /* Disable reading if SRC_ALPHA == 0. */
299 if ((dstRGB
== PIPE_BLENDFACTOR_SRC_ALPHA
||
300 dstRGB
== PIPE_BLENDFACTOR_ZERO
) &&
301 (dstA
== PIPE_BLENDFACTOR_SRC_COLOR
||
302 dstA
== PIPE_BLENDFACTOR_SRC_ALPHA
||
303 dstA
== PIPE_BLENDFACTOR_ZERO
) &&
304 (srcRGB
!= PIPE_BLENDFACTOR_DST_COLOR
&&
305 srcRGB
!= PIPE_BLENDFACTOR_DST_ALPHA
&&
306 srcRGB
!= PIPE_BLENDFACTOR_INV_DST_COLOR
&&
307 srcRGB
!= PIPE_BLENDFACTOR_INV_DST_ALPHA
)) {
308 blend_control
|= R500_SRC_ALPHA_0_NO_READ
;
311 /* Disable reading if SRC_ALPHA == 1. */
312 if ((dstRGB
== PIPE_BLENDFACTOR_INV_SRC_ALPHA
||
313 dstRGB
== PIPE_BLENDFACTOR_ZERO
) &&
314 (dstA
== PIPE_BLENDFACTOR_INV_SRC_COLOR
||
315 dstA
== PIPE_BLENDFACTOR_INV_SRC_ALPHA
||
316 dstA
== PIPE_BLENDFACTOR_ZERO
) &&
317 (srcRGB
!= PIPE_BLENDFACTOR_DST_COLOR
&&
318 srcRGB
!= PIPE_BLENDFACTOR_DST_ALPHA
&&
319 srcRGB
!= PIPE_BLENDFACTOR_INV_DST_COLOR
&&
320 srcRGB
!= PIPE_BLENDFACTOR_INV_DST_ALPHA
)) {
321 blend_control
|= R500_SRC_ALPHA_1_NO_READ
;
326 return blend_control
;
329 /* Create a new blend state based on the CSO blend state.
331 * This encompasses alpha blending, logic/raster ops, and blend dithering. */
332 static void* r300_create_blend_state(struct pipe_context
* pipe
,
333 const struct pipe_blend_state
* state
)
335 struct r300_screen
* r300screen
= r300_screen(pipe
->screen
);
336 struct r300_blend_state
* blend
= CALLOC_STRUCT(r300_blend_state
);
337 uint32_t blend_control
= 0; /* R300_RB3D_CBLEND: 0x4e04 */
338 uint32_t blend_control_noclamp
= 0; /* R300_RB3D_CBLEND: 0x4e04 */
339 uint32_t blend_control_noalpha
= 0; /* R300_RB3D_CBLEND: 0x4e04 */
340 uint32_t blend_control_noalpha_noclamp
= 0; /* R300_RB3D_CBLEND: 0x4e04 */
341 uint32_t alpha_blend_control
= 0; /* R300_RB3D_ABLEND: 0x4e08 */
342 uint32_t alpha_blend_control_noclamp
= 0; /* R300_RB3D_ABLEND: 0x4e08 */
343 uint32_t alpha_blend_control_noalpha
= 0; /* R300_RB3D_ABLEND: 0x4e08 */
344 uint32_t alpha_blend_control_noalpha_noclamp
= 0; /* R300_RB3D_ABLEND: 0x4e08 */
345 uint32_t rop
= 0; /* R300_RB3D_ROPCNTL: 0x4e18 */
346 uint32_t dither
= 0; /* R300_RB3D_DITHER_CTL: 0x4e50 */
349 const unsigned eqRGB
= state
->rt
[0].rgb_func
;
350 const unsigned srcRGB
= state
->rt
[0].rgb_src_factor
;
351 const unsigned dstRGB
= state
->rt
[0].rgb_dst_factor
;
353 const unsigned eqA
= state
->rt
[0].alpha_func
;
354 const unsigned srcA
= state
->rt
[0].alpha_src_factor
;
355 const unsigned dstA
= state
->rt
[0].alpha_dst_factor
;
357 unsigned srcRGBX
= srcRGB
;
358 unsigned dstRGBX
= dstRGB
;
361 blend
->state
= *state
;
363 /* force DST_ALPHA to ONE where we can */
365 case PIPE_BLENDFACTOR_DST_ALPHA
:
366 srcRGBX
= PIPE_BLENDFACTOR_ONE
;
368 case PIPE_BLENDFACTOR_INV_DST_ALPHA
:
369 srcRGBX
= PIPE_BLENDFACTOR_ZERO
;
374 case PIPE_BLENDFACTOR_DST_ALPHA
:
375 dstRGBX
= PIPE_BLENDFACTOR_ONE
;
377 case PIPE_BLENDFACTOR_INV_DST_ALPHA
:
378 dstRGBX
= PIPE_BLENDFACTOR_ZERO
;
382 /* Get blending register values. */
383 if (state
->rt
[0].blend_enable
) {
384 unsigned blend_eq
, blend_eq_noclamp
;
386 /* despite the name, ALPHA_BLEND_ENABLE has nothing to do with alpha,
387 * this is just the crappy D3D naming */
388 blend_control
= blend_control_noclamp
=
389 R300_ALPHA_BLEND_ENABLE
|
390 ( r300_translate_blend_factor(srcRGB
) << R300_SRC_BLEND_SHIFT
) |
391 ( r300_translate_blend_factor(dstRGB
) << R300_DST_BLEND_SHIFT
);
393 blend_control_noalpha
= blend_control_noalpha_noclamp
=
394 R300_ALPHA_BLEND_ENABLE
|
395 ( r300_translate_blend_factor(srcRGBX
) << R300_SRC_BLEND_SHIFT
) |
396 ( r300_translate_blend_factor(dstRGBX
) << R300_DST_BLEND_SHIFT
);
398 blend_eq
= r300_translate_blend_function(eqRGB
, TRUE
);
399 blend_eq_noclamp
= r300_translate_blend_function(eqRGB
, FALSE
);
401 blend_control
|= blend_eq
;
402 blend_control_noalpha
|= blend_eq
;
403 blend_control_noclamp
|= blend_eq_noclamp
;
404 blend_control_noalpha_noclamp
|= blend_eq_noclamp
;
406 /* Optimization: some operations do not require the destination color. */
407 blend_control
|= blend_read_enable(eqRGB
, eqA
, dstRGB
, dstA
,
408 srcRGB
, srcA
, r300screen
->caps
.is_r500
);
409 blend_control_noclamp
|= blend_read_enable(eqRGB
, eqA
, dstRGB
, dstA
,
410 srcRGB
, srcA
, FALSE
);
411 blend_control_noalpha
|= blend_read_enable(eqRGB
, eqA
, dstRGBX
, dstA
,
412 srcRGBX
, srcA
, r300screen
->caps
.is_r500
);
413 blend_control_noalpha_noclamp
|= blend_read_enable(eqRGB
, eqA
, dstRGBX
, dstA
,
414 srcRGBX
, srcA
, FALSE
);
416 /* Optimization: discard pixels which don't change the colorbuffer.
417 * It cannot be used with FP16 AA. */
418 blend_control
|= blend_discard_conditionally(eqRGB
, eqA
, dstRGB
, dstA
,
420 blend_control_noalpha
|= blend_discard_conditionally(eqRGB
, eqA
, dstRGBX
, dstA
,
424 if (srcA
!= srcRGB
|| dstA
!= dstRGB
|| eqA
!= eqRGB
) {
425 blend_control
|= R300_SEPARATE_ALPHA_ENABLE
;
426 blend_control_noclamp
|= R300_SEPARATE_ALPHA_ENABLE
;
428 alpha_blend_control
= alpha_blend_control_noclamp
=
429 (r300_translate_blend_factor(srcA
) << R300_SRC_BLEND_SHIFT
) |
430 (r300_translate_blend_factor(dstA
) << R300_DST_BLEND_SHIFT
);
431 alpha_blend_control
|= r300_translate_blend_function(eqA
, TRUE
);
432 alpha_blend_control_noclamp
|= r300_translate_blend_function(eqA
, FALSE
);
434 if (srcA
!= srcRGBX
|| dstA
!= dstRGBX
|| eqA
!= eqRGB
) {
435 blend_control_noalpha
|= R300_SEPARATE_ALPHA_ENABLE
;
436 blend_control_noalpha_noclamp
|= R300_SEPARATE_ALPHA_ENABLE
;
438 alpha_blend_control_noalpha
= alpha_blend_control_noalpha_noclamp
=
439 (r300_translate_blend_factor(srcA
) << R300_SRC_BLEND_SHIFT
) |
440 (r300_translate_blend_factor(dstA
) << R300_DST_BLEND_SHIFT
);
441 alpha_blend_control_noalpha
|= r300_translate_blend_function(eqA
, TRUE
);
442 alpha_blend_control_noalpha_noclamp
|= r300_translate_blend_function(eqA
, FALSE
);
446 /* PIPE_LOGICOP_* don't need to be translated, fortunately. */
447 if (state
->logicop_enable
) {
448 rop
= R300_RB3D_ROPCNTL_ROP_ENABLE
|
449 (state
->logicop_func
) << R300_RB3D_ROPCNTL_ROP_SHIFT
;
452 /* Neither fglrx nor classic r300 ever set this, regardless of dithering
453 * state. Since it's an optional implementation detail, we can leave it
454 * out and never dither.
456 * This could be revisited if we ever get quality or conformance hints.
459 dither = R300_RB3D_DITHER_CTL_DITHER_MODE_LUT |
460 R300_RB3D_DITHER_CTL_ALPHA_DITHER_MODE_LUT;
464 /* Build a command buffer. */
466 unsigned (*func
[COLORMASK_NUM_SWIZZLES
])(unsigned) = {
477 for (i
= 0; i
< COLORMASK_NUM_SWIZZLES
; i
++) {
478 boolean has_alpha
= i
!= COLORMASK_RGBX
&& i
!= COLORMASK_BGRX
;
480 BEGIN_CB(blend
->cb_clamp
[i
], 8);
481 OUT_CB_REG(R300_RB3D_ROPCNTL
, rop
);
482 OUT_CB_REG_SEQ(R300_RB3D_CBLEND
, 3);
483 OUT_CB(has_alpha
? blend_control
: blend_control_noalpha
);
484 OUT_CB(has_alpha
? alpha_blend_control
: alpha_blend_control_noalpha
);
485 OUT_CB(func
[i
](state
->rt
[0].colormask
));
486 OUT_CB_REG(R300_RB3D_DITHER_CTL
, dither
);
491 /* Build a command buffer (for RGBA16F). */
492 BEGIN_CB(blend
->cb_noclamp
, 8);
493 OUT_CB_REG(R300_RB3D_ROPCNTL
, rop
);
494 OUT_CB_REG_SEQ(R300_RB3D_CBLEND
, 3);
495 OUT_CB(blend_control_noclamp
);
496 OUT_CB(alpha_blend_control_noclamp
);
497 OUT_CB(rgba_cmask(state
->rt
[0].colormask
));
498 OUT_CB_REG(R300_RB3D_DITHER_CTL
, dither
);
501 /* Build a command buffer (for RGB16F). */
502 BEGIN_CB(blend
->cb_noclamp_noalpha
, 8);
503 OUT_CB_REG(R300_RB3D_ROPCNTL
, rop
);
504 OUT_CB_REG_SEQ(R300_RB3D_CBLEND
, 3);
505 OUT_CB(blend_control_noalpha_noclamp
);
506 OUT_CB(alpha_blend_control_noalpha_noclamp
);
507 OUT_CB(rgba_cmask(state
->rt
[0].colormask
));
508 OUT_CB_REG(R300_RB3D_DITHER_CTL
, dither
);
511 /* The same as above, but with no colorbuffer reads and writes. */
512 BEGIN_CB(blend
->cb_no_readwrite
, 8);
513 OUT_CB_REG(R300_RB3D_ROPCNTL
, rop
);
514 OUT_CB_REG_SEQ(R300_RB3D_CBLEND
, 3);
518 OUT_CB_REG(R300_RB3D_DITHER_CTL
, dither
);
524 /* Bind blend state. */
525 static void r300_bind_blend_state(struct pipe_context
* pipe
,
528 struct r300_context
* r300
= r300_context(pipe
);
529 struct r300_blend_state
*blend
= (struct r300_blend_state
*)state
;
530 boolean last_alpha_to_one
= r300
->alpha_to_one
;
531 boolean last_alpha_to_coverage
= r300
->alpha_to_coverage
;
533 UPDATE_STATE(state
, r300
->blend_state
);
538 r300
->alpha_to_one
= blend
->state
.alpha_to_one
;
539 r300
->alpha_to_coverage
= blend
->state
.alpha_to_coverage
;
541 if (r300
->alpha_to_one
!= last_alpha_to_one
&& r300
->msaa_enable
&&
542 r300
->fs_status
== FRAGMENT_SHADER_VALID
) {
543 r300
->fs_status
= FRAGMENT_SHADER_MAYBE_DIRTY
;
546 if (r300
->alpha_to_coverage
!= last_alpha_to_coverage
&&
548 r300_mark_atom_dirty(r300
, &r300
->dsa_state
);
552 /* Free blend state. */
553 static void r300_delete_blend_state(struct pipe_context
* pipe
,
559 /* Convert float to 10bit integer */
560 static unsigned float_to_fixed10(float f
)
562 return CLAMP((unsigned)(f
* 1023.9f
), 0, 1023);
566 * Setup both R300 and R500 registers, figure out later which one to write. */
567 static void r300_set_blend_color(struct pipe_context
* pipe
,
568 const struct pipe_blend_color
* color
)
570 struct r300_context
* r300
= r300_context(pipe
);
571 struct pipe_framebuffer_state
*fb
= r300
->fb_state
.state
;
572 struct r300_blend_color_state
*state
=
573 (struct r300_blend_color_state
*)r300
->blend_color_state
.state
;
574 struct pipe_blend_color c
;
575 struct pipe_surface
*cb
;
579 state
->state
= *color
; /* Save it, so that we can reuse it in set_fb_state */
581 cb
= fb
->nr_cbufs
? r300_get_nonnull_cb(fb
, 0) : NULL
;
583 /* The blend color is dependent on the colorbuffer format. */
585 switch (cb
->format
) {
586 case PIPE_FORMAT_R8_UNORM
:
587 case PIPE_FORMAT_L8_UNORM
:
588 case PIPE_FORMAT_I8_UNORM
:
589 c
.color
[1] = c
.color
[0];
592 case PIPE_FORMAT_A8_UNORM
:
593 c
.color
[1] = c
.color
[3];
596 case PIPE_FORMAT_R8G8_UNORM
:
597 c
.color
[2] = c
.color
[1];
600 case PIPE_FORMAT_L8A8_UNORM
:
601 case PIPE_FORMAT_R8A8_UNORM
:
602 c
.color
[2] = c
.color
[3];
605 case PIPE_FORMAT_R8G8B8A8_UNORM
:
606 case PIPE_FORMAT_R8G8B8X8_UNORM
:
608 c
.color
[0] = c
.color
[2];
616 if (r300
->screen
->caps
.is_r500
) {
617 BEGIN_CB(state
->cb
, 3);
618 OUT_CB_REG_SEQ(R500_RB3D_CONSTANT_COLOR_AR
, 2);
620 switch (cb
? cb
->format
: 0) {
621 case PIPE_FORMAT_R16G16B16A16_FLOAT
:
622 case PIPE_FORMAT_R16G16B16X16_FLOAT
:
623 OUT_CB(util_float_to_half(c
.color
[2]) |
624 (util_float_to_half(c
.color
[3]) << 16));
625 OUT_CB(util_float_to_half(c
.color
[0]) |
626 (util_float_to_half(c
.color
[1]) << 16));
630 OUT_CB(float_to_fixed10(c
.color
[0]) |
631 (float_to_fixed10(c
.color
[3]) << 16));
632 OUT_CB(float_to_fixed10(c
.color
[2]) |
633 (float_to_fixed10(c
.color
[1]) << 16));
639 util_pack_color(c
.color
, PIPE_FORMAT_B8G8R8A8_UNORM
, &uc
);
641 BEGIN_CB(state
->cb
, 2);
642 OUT_CB_REG(R300_RB3D_BLEND_COLOR
, uc
.ui
[0]);
646 r300_mark_atom_dirty(r300
, &r300
->blend_color_state
);
649 static void r300_set_clip_state(struct pipe_context
* pipe
,
650 const struct pipe_clip_state
* state
)
652 struct r300_context
* r300
= r300_context(pipe
);
653 struct r300_clip_state
*clip
=
654 (struct r300_clip_state
*)r300
->clip_state
.state
;
657 if (r300
->screen
->caps
.has_tcl
) {
658 BEGIN_CB(clip
->cb
, r300
->clip_state
.size
);
659 OUT_CB_REG(R300_VAP_PVS_VECTOR_INDX_REG
,
660 (r300
->screen
->caps
.is_r500
?
661 R500_PVS_UCP_START
: R300_PVS_UCP_START
));
662 OUT_CB_ONE_REG(R300_VAP_PVS_UPLOAD_DATA
, 6 * 4);
663 OUT_CB_TABLE(state
->ucp
, 6 * 4);
666 r300_mark_atom_dirty(r300
, &r300
->clip_state
);
668 draw_set_clip_state(r300
->draw
, state
);
672 /* Create a new depth, stencil, and alpha state based on the CSO dsa state.
674 * This contains the depth buffer, stencil buffer, alpha test, and such.
675 * On the Radeon, depth and stencil buffer setup are intertwined, which is
676 * the reason for some of the strange-looking assignments across registers. */
677 static void* r300_create_dsa_state(struct pipe_context
* pipe
,
678 const struct pipe_depth_stencil_alpha_state
* state
)
680 boolean is_r500
= r300_screen(pipe
->screen
)->caps
.is_r500
;
681 struct r300_dsa_state
* dsa
= CALLOC_STRUCT(r300_dsa_state
);
683 uint32_t alpha_value_fp16
= 0;
684 uint32_t z_buffer_control
= 0;
685 uint32_t z_stencil_control
= 0;
686 uint32_t stencil_ref_mask
= 0;
687 uint32_t stencil_ref_bf
= 0;
691 /* Depth test setup. - separate write mask depth for decomp flush */
692 if (state
->depth
.writemask
) {
693 z_buffer_control
|= R300_Z_WRITE_ENABLE
;
696 if (state
->depth
.enabled
) {
697 z_buffer_control
|= R300_Z_ENABLE
;
700 (r300_translate_depth_stencil_function(state
->depth
.func
) <<
704 /* Stencil buffer setup. */
705 if (state
->stencil
[0].enabled
) {
706 z_buffer_control
|= R300_STENCIL_ENABLE
;
708 (r300_translate_depth_stencil_function(state
->stencil
[0].func
) <<
709 R300_S_FRONT_FUNC_SHIFT
) |
710 (r300_translate_stencil_op(state
->stencil
[0].fail_op
) <<
711 R300_S_FRONT_SFAIL_OP_SHIFT
) |
712 (r300_translate_stencil_op(state
->stencil
[0].zpass_op
) <<
713 R300_S_FRONT_ZPASS_OP_SHIFT
) |
714 (r300_translate_stencil_op(state
->stencil
[0].zfail_op
) <<
715 R300_S_FRONT_ZFAIL_OP_SHIFT
);
718 (state
->stencil
[0].valuemask
<< R300_STENCILMASK_SHIFT
) |
719 (state
->stencil
[0].writemask
<< R300_STENCILWRITEMASK_SHIFT
);
721 if (state
->stencil
[1].enabled
) {
722 dsa
->two_sided
= TRUE
;
724 z_buffer_control
|= R300_STENCIL_FRONT_BACK
;
726 (r300_translate_depth_stencil_function(state
->stencil
[1].func
) <<
727 R300_S_BACK_FUNC_SHIFT
) |
728 (r300_translate_stencil_op(state
->stencil
[1].fail_op
) <<
729 R300_S_BACK_SFAIL_OP_SHIFT
) |
730 (r300_translate_stencil_op(state
->stencil
[1].zpass_op
) <<
731 R300_S_BACK_ZPASS_OP_SHIFT
) |
732 (r300_translate_stencil_op(state
->stencil
[1].zfail_op
) <<
733 R300_S_BACK_ZFAIL_OP_SHIFT
);
736 (state
->stencil
[1].valuemask
<< R300_STENCILMASK_SHIFT
) |
737 (state
->stencil
[1].writemask
<< R300_STENCILWRITEMASK_SHIFT
);
740 z_buffer_control
|= R500_STENCIL_REFMASK_FRONT_BACK
;
742 dsa
->two_sided_stencil_ref
=
743 (state
->stencil
[0].valuemask
!= state
->stencil
[1].valuemask
||
744 state
->stencil
[0].writemask
!= state
->stencil
[1].writemask
);
749 /* Alpha test setup. */
750 if (state
->alpha
.enabled
) {
751 dsa
->alpha_function
=
752 r300_translate_alpha_function(state
->alpha
.func
) |
753 R300_FG_ALPHA_FUNC_ENABLE
;
755 dsa
->alpha_function
|= float_to_ubyte(state
->alpha
.ref_value
);
756 alpha_value_fp16
= util_float_to_half(state
->alpha
.ref_value
);
759 BEGIN_CB(&dsa
->cb_begin
, 8);
760 OUT_CB_REG_SEQ(R300_ZB_CNTL
, 3);
761 OUT_CB(z_buffer_control
);
762 OUT_CB(z_stencil_control
);
763 OUT_CB(stencil_ref_mask
);
764 OUT_CB_REG(R500_ZB_STENCILREFMASK_BF
, stencil_ref_bf
);
765 OUT_CB_REG(R500_FG_ALPHA_VALUE
, alpha_value_fp16
);
768 BEGIN_CB(dsa
->cb_zb_no_readwrite
, 8);
769 OUT_CB_REG_SEQ(R300_ZB_CNTL
, 3);
773 OUT_CB_REG(R500_ZB_STENCILREFMASK_BF
, 0);
774 OUT_CB_REG(R500_FG_ALPHA_VALUE
, alpha_value_fp16
);
780 static void r300_dsa_inject_stencilref(struct r300_context
*r300
)
782 struct r300_dsa_state
*dsa
=
783 (struct r300_dsa_state
*)r300
->dsa_state
.state
;
788 dsa
->stencil_ref_mask
=
789 (dsa
->stencil_ref_mask
& ~R300_STENCILREF_MASK
) |
790 r300
->stencil_ref
.ref_value
[0];
791 dsa
->stencil_ref_bf
=
792 (dsa
->stencil_ref_bf
& ~R300_STENCILREF_MASK
) |
793 r300
->stencil_ref
.ref_value
[1];
796 /* Bind DSA state. */
797 static void r300_bind_dsa_state(struct pipe_context
* pipe
,
800 struct r300_context
* r300
= r300_context(pipe
);
806 UPDATE_STATE(state
, r300
->dsa_state
);
808 r300_mark_atom_dirty(r300
, &r300
->hyperz_state
); /* Will be updated before the emission. */
809 r300_dsa_inject_stencilref(r300
);
812 /* Free DSA state. */
813 static void r300_delete_dsa_state(struct pipe_context
* pipe
,
819 static void r300_set_stencil_ref(struct pipe_context
* pipe
,
820 const struct pipe_stencil_ref
* sr
)
822 struct r300_context
* r300
= r300_context(pipe
);
824 r300
->stencil_ref
= *sr
;
826 r300_dsa_inject_stencilref(r300
);
827 r300_mark_atom_dirty(r300
, &r300
->dsa_state
);
830 static void r300_print_fb_surf_info(struct pipe_surface
*surf
, unsigned index
,
833 struct pipe_resource
*tex
= surf
->texture
;
834 struct r300_resource
*rtex
= r300_resource(tex
);
837 "r300: %s[%i] Dim: %ix%i, Firstlayer: %i, "
838 "Lastlayer: %i, Level: %i, Format: %s\n"
840 "r300: TEX: Macro: %s, Micro: %s, "
841 "Dim: %ix%ix%i, LastLevel: %i, Format: %s\n",
843 binding
, index
, surf
->width
, surf
->height
,
844 surf
->u
.tex
.first_layer
, surf
->u
.tex
.last_layer
, surf
->u
.tex
.level
,
845 util_format_short_name(surf
->format
),
847 rtex
->tex
.macrotile
[0] ? "YES" : " NO",
848 rtex
->tex
.microtile
? "YES" : " NO",
849 tex
->width0
, tex
->height0
, tex
->depth0
,
850 tex
->last_level
, util_format_short_name(surf
->format
));
853 void r300_mark_fb_state_dirty(struct r300_context
*r300
,
854 enum r300_fb_state_change change
)
856 struct pipe_framebuffer_state
*state
= r300
->fb_state
.state
;
858 r300_mark_atom_dirty(r300
, &r300
->gpu_flush
);
859 r300_mark_atom_dirty(r300
, &r300
->fb_state
);
861 /* What is marked as dirty depends on the enum r300_fb_state_change. */
862 if (change
== R300_CHANGED_FB_STATE
) {
863 r300_mark_atom_dirty(r300
, &r300
->aa_state
);
864 r300_mark_atom_dirty(r300
, &r300
->dsa_state
); /* for AlphaRef */
865 r300_set_blend_color(&r300
->context
, r300
->blend_color_state
.state
);
868 if (change
== R300_CHANGED_FB_STATE
||
869 change
== R300_CHANGED_HYPERZ_FLAG
) {
870 r300_mark_atom_dirty(r300
, &r300
->hyperz_state
);
873 if (change
== R300_CHANGED_FB_STATE
||
874 change
== R300_CHANGED_MULTIWRITE
) {
875 r300_mark_atom_dirty(r300
, &r300
->fb_state_pipelined
);
878 /* Now compute the fb_state atom size. */
879 r300
->fb_state
.size
= 2 + (8 * state
->nr_cbufs
);
881 if (r300
->cbzb_clear
)
882 r300
->fb_state
.size
+= 10;
883 else if (state
->zsbuf
) {
884 r300
->fb_state
.size
+= 10;
885 if (r300
->hyperz_enabled
)
886 r300
->fb_state
.size
+= 8;
889 if (r300
->cmask_in_use
) {
890 r300
->fb_state
.size
+= 6;
891 if (r300
->screen
->caps
.is_r500
&& r300
->screen
->info
.drm_minor
>= 29) {
892 r300
->fb_state
.size
+= 3;
896 /* The size of the rest of atoms stays the same. */
900 r300_set_framebuffer_state(struct pipe_context
* pipe
,
901 const struct pipe_framebuffer_state
* state
)
903 struct r300_context
* r300
= r300_context(pipe
);
904 struct r300_aa_state
*aa
= (struct r300_aa_state
*)r300
->aa_state
.state
;
905 struct pipe_framebuffer_state
*current_state
= r300
->fb_state
.state
;
906 unsigned max_width
, max_height
, i
;
907 uint32_t zbuffer_bpp
= 0;
908 boolean unlock_zbuffer
= FALSE
;
910 if (r300
->screen
->caps
.is_r500
) {
911 max_width
= max_height
= 4096;
912 } else if (r300
->screen
->caps
.is_r400
) {
913 max_width
= max_height
= 4021;
915 max_width
= max_height
= 2560;
918 if (state
->width
> max_width
|| state
->height
> max_height
) {
919 fprintf(stderr
, "r300: Implementation error: Render targets are too "
920 "big in %s, refusing to bind framebuffer state!\n", __FUNCTION__
);
924 if (current_state
->zsbuf
&& r300
->zmask_in_use
&& !r300
->locked_zbuffer
) {
925 /* There is a zmask in use, what are we gonna do? */
927 if (!pipe_surface_equal(current_state
->zsbuf
, state
->zsbuf
)) {
928 /* Decompress the currently bound zbuffer before we bind another one. */
929 r300_decompress_zmask(r300
);
930 r300
->hiz_in_use
= FALSE
;
933 /* We don't bind another zbuffer, so lock the current one. */
934 pipe_surface_reference(&r300
->locked_zbuffer
, current_state
->zsbuf
);
936 } else if (r300
->locked_zbuffer
) {
937 /* We have a locked zbuffer now, what are we gonna do? */
939 if (!pipe_surface_equal(r300
->locked_zbuffer
, state
->zsbuf
)) {
940 /* We are binding some other zbuffer, so decompress the locked one,
941 * it gets unlocked automatically. */
942 r300_decompress_zmask_locked_unsafe(r300
);
943 r300
->hiz_in_use
= FALSE
;
945 /* We are binding the locked zbuffer again, so unlock it. */
946 unlock_zbuffer
= TRUE
;
950 assert(state
->zsbuf
|| (r300
->locked_zbuffer
&& !unlock_zbuffer
) || !r300
->zmask_in_use
);
952 /* If zsbuf is set from NULL to non-NULL or vice versa.. */
953 if (!!current_state
->zsbuf
!= !!state
->zsbuf
) {
954 r300_mark_atom_dirty(r300
, &r300
->dsa_state
);
957 util_copy_framebuffer_state(r300
->fb_state
.state
, state
);
959 /* Remove trailing NULL colorbuffers. */
960 while (current_state
->nr_cbufs
&& !current_state
->cbufs
[current_state
->nr_cbufs
-1])
961 current_state
->nr_cbufs
--;
963 /* Set whether CMASK can be used. */
965 state
->nr_cbufs
== 1 && state
->cbufs
[0] &&
966 r300
->screen
->cmask_resource
== state
->cbufs
[0]->texture
;
968 /* Need to reset clamping or colormask. */
969 r300_mark_atom_dirty(r300
, &r300
->blend_state
);
971 /* Re-swizzle the blend color. */
972 r300_set_blend_color(pipe
, &((struct r300_blend_color_state
*)r300
->blend_color_state
.state
)->state
);
974 if (unlock_zbuffer
) {
975 pipe_surface_reference(&r300
->locked_zbuffer
, NULL
);
978 r300_mark_fb_state_dirty(r300
, R300_CHANGED_FB_STATE
);
981 switch (util_format_get_blocksize(state
->zsbuf
->format
)) {
990 /* Polygon offset depends on the zbuffer bit depth. */
991 if (r300
->zbuffer_bpp
!= zbuffer_bpp
) {
992 r300
->zbuffer_bpp
= zbuffer_bpp
;
994 if (r300
->polygon_offset_enabled
)
995 r300_mark_atom_dirty(r300
, &r300
->rs_state
);
999 r300
->num_samples
= util_framebuffer_get_num_samples(state
);
1001 /* Set up AA config. */
1002 if (r300
->num_samples
> 1) {
1003 switch (r300
->num_samples
) {
1005 aa
->aa_config
= R300_GB_AA_CONFIG_AA_ENABLE
|
1006 R300_GB_AA_CONFIG_NUM_AA_SUBSAMPLES_2
;
1009 aa
->aa_config
= R300_GB_AA_CONFIG_AA_ENABLE
|
1010 R300_GB_AA_CONFIG_NUM_AA_SUBSAMPLES_4
;
1013 aa
->aa_config
= R300_GB_AA_CONFIG_AA_ENABLE
|
1014 R300_GB_AA_CONFIG_NUM_AA_SUBSAMPLES_6
;
1021 if (DBG_ON(r300
, DBG_FB
)) {
1022 fprintf(stderr
, "r300: set_framebuffer_state:\n");
1023 for (i
= 0; i
< state
->nr_cbufs
; i
++) {
1024 if (state
->cbufs
[i
])
1025 r300_print_fb_surf_info(state
->cbufs
[i
], i
, "CB");
1028 r300_print_fb_surf_info(state
->zsbuf
, 0, "ZB");
1033 /* Create fragment shader state. */
1034 static void* r300_create_fs_state(struct pipe_context
* pipe
,
1035 const struct pipe_shader_state
* shader
)
1037 struct r300_fragment_shader
* fs
= NULL
;
1039 fs
= (struct r300_fragment_shader
*)CALLOC_STRUCT(r300_fragment_shader
);
1041 /* Copy state directly into shader. */
1042 fs
->state
= *shader
;
1043 fs
->state
.tokens
= tgsi_dup_tokens(shader
->tokens
);
1048 void r300_mark_fs_code_dirty(struct r300_context
*r300
)
1050 struct r300_fragment_shader
* fs
= r300_fs(r300
);
1052 r300_mark_atom_dirty(r300
, &r300
->fs
);
1053 r300_mark_atom_dirty(r300
, &r300
->fs_rc_constant_state
);
1054 r300_mark_atom_dirty(r300
, &r300
->fs_constants
);
1055 r300
->fs
.size
= fs
->shader
->cb_code_size
;
1057 if (r300
->screen
->caps
.is_r500
) {
1058 r300
->fs_rc_constant_state
.size
= fs
->shader
->rc_state_count
* 7;
1059 r300
->fs_constants
.size
= fs
->shader
->externals_count
* 4 + 3;
1061 r300
->fs_rc_constant_state
.size
= fs
->shader
->rc_state_count
* 5;
1062 r300
->fs_constants
.size
= fs
->shader
->externals_count
* 4 + 1;
1065 ((struct r300_constant_buffer
*)r300
->fs_constants
.state
)->remap_table
=
1066 fs
->shader
->code
.constants_remap_table
;
1069 /* Bind fragment shader state. */
1070 static void r300_bind_fs_state(struct pipe_context
* pipe
, void* shader
)
1072 struct r300_context
* r300
= r300_context(pipe
);
1073 struct r300_fragment_shader
* fs
= (struct r300_fragment_shader
*)shader
;
1076 r300
->fs
.state
= NULL
;
1080 r300
->fs
.state
= fs
;
1081 r300
->fs_status
= FRAGMENT_SHADER_DIRTY
;
1083 r300_mark_atom_dirty(r300
, &r300
->rs_block_state
); /* Will be updated before the emission. */
1086 /* Delete fragment shader state. */
1087 static void r300_delete_fs_state(struct pipe_context
* pipe
, void* shader
)
1089 struct r300_fragment_shader
* fs
= (struct r300_fragment_shader
*)shader
;
1090 struct r300_fragment_shader_code
*tmp
, *ptr
= fs
->first
;
1095 rc_constants_destroy(&tmp
->code
.constants
);
1099 FREE((void*)fs
->state
.tokens
);
1103 static void r300_set_polygon_stipple(struct pipe_context
* pipe
,
1104 const struct pipe_poly_stipple
* state
)
1108 /* Create a new rasterizer state based on the CSO rasterizer state.
1110 * This is a very large chunk of state, and covers most of the graphics
1111 * backend (GB), geometry assembly (GA), and setup unit (SU) blocks.
1113 * In a not entirely unironic sidenote, this state has nearly nothing to do
1114 * with the actual block on the Radeon called the rasterizer (RS). */
1115 static void* r300_create_rs_state(struct pipe_context
* pipe
,
1116 const struct pipe_rasterizer_state
* state
)
1118 struct r300_rs_state
* rs
= CALLOC_STRUCT(r300_rs_state
);
1119 uint32_t vap_control_status
; /* R300_VAP_CNTL_STATUS: 0x2140 */
1120 uint32_t vap_clip_cntl
; /* R300_VAP_CLIP_CNTL: 0x221C */
1121 uint32_t point_size
; /* R300_GA_POINT_SIZE: 0x421c */
1122 uint32_t point_minmax
; /* R300_GA_POINT_MINMAX: 0x4230 */
1123 uint32_t line_control
; /* R300_GA_LINE_CNTL: 0x4234 */
1124 uint32_t polygon_offset_enable
; /* R300_SU_POLY_OFFSET_ENABLE: 0x42b4 */
1125 uint32_t cull_mode
; /* R300_SU_CULL_MODE: 0x42b8 */
1126 uint32_t line_stipple_config
; /* R300_GA_LINE_STIPPLE_CONFIG: 0x4328 */
1127 uint32_t line_stipple_value
; /* R300_GA_LINE_STIPPLE_VALUE: 0x4260 */
1128 uint32_t polygon_mode
; /* R300_GA_POLY_MODE: 0x4288 */
1129 uint32_t clip_rule
; /* R300_SC_CLIP_RULE: 0x43D0 */
1130 uint32_t round_mode
; /* R300_GA_ROUND_MODE: 0x428c */
1132 /* Point sprites texture coordinates, 0: lower left, 1: upper right */
1133 float point_texcoord_left
= 0; /* R300_GA_POINT_S0: 0x4200 */
1134 float point_texcoord_bottom
= 0;/* R300_GA_POINT_T0: 0x4204 */
1135 float point_texcoord_right
= 1; /* R300_GA_POINT_S1: 0x4208 */
1136 float point_texcoord_top
= 0; /* R300_GA_POINT_T1: 0x420c */
1137 boolean vclamp
= !r300_context(pipe
)->screen
->caps
.is_r500
;
1140 /* Copy rasterizer state. */
1142 rs
->rs_draw
= *state
;
1144 rs
->rs
.sprite_coord_enable
= state
->point_quad_rasterization
*
1145 state
->sprite_coord_enable
;
1147 /* Override some states for Draw. */
1148 rs
->rs_draw
.sprite_coord_enable
= 0; /* We can do this in HW. */
1149 rs
->rs_draw
.offset_point
= 0;
1150 rs
->rs_draw
.offset_line
= 0;
1151 rs
->rs_draw
.offset_tri
= 0;
1152 rs
->rs_draw
.offset_clamp
= 0;
1154 #if UTIL_ARCH_LITTLE_ENDIAN
1155 vap_control_status
= R300_VC_NO_SWAP
;
1157 vap_control_status
= R300_VC_32BIT_SWAP
;
1160 /* If no TCL engine is present, turn off the HW TCL. */
1161 if (!r300_screen(pipe
->screen
)->caps
.has_tcl
) {
1162 vap_control_status
|= R300_VAP_TCL_BYPASS
;
1165 /* Point size width and height. */
1167 pack_float_16_6x(state
->point_size
) |
1168 (pack_float_16_6x(state
->point_size
) << R300_POINTSIZE_X_SHIFT
);
1170 /* Point size clamping. */
1171 if (state
->point_size_per_vertex
) {
1172 /* Per-vertex point size.
1173 * Clamp to [0, max FB size] */
1174 float min_psiz
= util_get_min_point_size(state
);
1175 float max_psiz
= pipe
->screen
->get_paramf(pipe
->screen
,
1176 PIPE_CAPF_MAX_POINT_WIDTH
);
1178 (pack_float_16_6x(min_psiz
) << R300_GA_POINT_MINMAX_MIN_SHIFT
) |
1179 (pack_float_16_6x(max_psiz
) << R300_GA_POINT_MINMAX_MAX_SHIFT
);
1181 /* We cannot disable the point-size vertex output,
1183 float psiz
= state
->point_size
;
1185 (pack_float_16_6x(psiz
) << R300_GA_POINT_MINMAX_MIN_SHIFT
) |
1186 (pack_float_16_6x(psiz
) << R300_GA_POINT_MINMAX_MAX_SHIFT
);
1190 line_control
= pack_float_16_6x(state
->line_width
) |
1191 R300_GA_LINE_CNTL_END_TYPE_COMP
;
1193 /* Enable polygon mode */
1195 if (state
->fill_front
!= PIPE_POLYGON_MODE_FILL
||
1196 state
->fill_back
!= PIPE_POLYGON_MODE_FILL
) {
1197 polygon_mode
= R300_GA_POLY_MODE_DUAL
;
1201 if (state
->front_ccw
)
1202 cull_mode
= R300_FRONT_FACE_CCW
;
1204 cull_mode
= R300_FRONT_FACE_CW
;
1206 /* Polygon offset */
1207 polygon_offset_enable
= 0;
1208 if (util_get_offset(state
, state
->fill_front
)) {
1209 polygon_offset_enable
|= R300_FRONT_ENABLE
;
1211 if (util_get_offset(state
, state
->fill_back
)) {
1212 polygon_offset_enable
|= R300_BACK_ENABLE
;
1215 rs
->polygon_offset_enable
= polygon_offset_enable
!= 0;
1220 r300_translate_polygon_mode_front(state
->fill_front
);
1222 r300_translate_polygon_mode_back(state
->fill_back
);
1225 if (state
->cull_face
& PIPE_FACE_FRONT
) {
1226 cull_mode
|= R300_CULL_FRONT
;
1228 if (state
->cull_face
& PIPE_FACE_BACK
) {
1229 cull_mode
|= R300_CULL_BACK
;
1232 if (state
->line_stipple_enable
) {
1233 line_stipple_config
=
1234 R300_GA_LINE_STIPPLE_CONFIG_LINE_RESET_LINE
|
1235 (fui((float)state
->line_stipple_factor
) &
1236 R300_GA_LINE_STIPPLE_CONFIG_STIPPLE_SCALE_MASK
);
1237 /* XXX this might need to be scaled up */
1238 line_stipple_value
= state
->line_stipple_pattern
;
1240 line_stipple_config
= 0;
1241 line_stipple_value
= 0;
1244 if (state
->flatshade
) {
1245 rs
->color_control
= R300_SHADE_MODEL_FLAT
;
1247 rs
->color_control
= R300_SHADE_MODEL_SMOOTH
;
1250 clip_rule
= state
->scissor
? 0xAAAA : 0xFFFF;
1252 /* Point sprites coord mode */
1253 if (rs
->rs
.sprite_coord_enable
) {
1254 switch (state
->sprite_coord_mode
) {
1255 case PIPE_SPRITE_COORD_UPPER_LEFT
:
1256 point_texcoord_top
= 0.0f
;
1257 point_texcoord_bottom
= 1.0f
;
1259 case PIPE_SPRITE_COORD_LOWER_LEFT
:
1260 point_texcoord_top
= 1.0f
;
1261 point_texcoord_bottom
= 0.0f
;
1266 if (r300_screen(pipe
->screen
)->caps
.has_tcl
) {
1267 vap_clip_cntl
= (state
->clip_plane_enable
& 63) |
1268 R300_PS_UCP_MODE_CLIP_AS_TRIFAN
;
1270 vap_clip_cntl
= R300_CLIP_DISABLE
;
1273 /* Vertex color clamping. FP20 means no clamping. */
1275 R300_GA_ROUND_MODE_GEOMETRY_ROUND_NEAREST
|
1276 (!vclamp
? (R300_GA_ROUND_MODE_RGB_CLAMP_FP20
|
1277 R300_GA_ROUND_MODE_ALPHA_CLAMP_FP20
) : 0);
1279 /* Build the main command buffer. */
1280 BEGIN_CB(rs
->cb_main
, RS_STATE_MAIN_SIZE
);
1281 OUT_CB_REG(R300_VAP_CNTL_STATUS
, vap_control_status
);
1282 OUT_CB_REG(R300_VAP_CLIP_CNTL
, vap_clip_cntl
);
1283 OUT_CB_REG(R300_GA_POINT_SIZE
, point_size
);
1284 OUT_CB_REG_SEQ(R300_GA_POINT_MINMAX
, 2);
1285 OUT_CB(point_minmax
);
1286 OUT_CB(line_control
);
1287 OUT_CB_REG_SEQ(R300_SU_POLY_OFFSET_ENABLE
, 2);
1288 OUT_CB(polygon_offset_enable
);
1289 rs
->cull_mode_index
= 11;
1291 OUT_CB_REG(R300_GA_LINE_STIPPLE_CONFIG
, line_stipple_config
);
1292 OUT_CB_REG(R300_GA_LINE_STIPPLE_VALUE
, line_stipple_value
);
1293 OUT_CB_REG(R300_GA_POLY_MODE
, polygon_mode
);
1294 OUT_CB_REG(R300_GA_ROUND_MODE
, round_mode
);
1295 OUT_CB_REG(R300_SC_CLIP_RULE
, clip_rule
);
1296 OUT_CB_REG_SEQ(R300_GA_POINT_S0
, 4);
1297 OUT_CB_32F(point_texcoord_left
);
1298 OUT_CB_32F(point_texcoord_bottom
);
1299 OUT_CB_32F(point_texcoord_right
);
1300 OUT_CB_32F(point_texcoord_top
);
1303 /* Build the two command buffers for polygon offset setup. */
1304 if (polygon_offset_enable
) {
1305 float scale
= state
->offset_scale
* 12;
1306 float offset
= state
->offset_units
* 4;
1308 BEGIN_CB(rs
->cb_poly_offset_zb16
, 5);
1309 OUT_CB_REG_SEQ(R300_SU_POLY_OFFSET_FRONT_SCALE
, 4);
1316 offset
= state
->offset_units
* 2;
1318 BEGIN_CB(rs
->cb_poly_offset_zb24
, 5);
1319 OUT_CB_REG_SEQ(R300_SU_POLY_OFFSET_FRONT_SCALE
, 4);
1330 /* Bind rasterizer state. */
1331 static void r300_bind_rs_state(struct pipe_context
* pipe
, void* state
)
1333 struct r300_context
* r300
= r300_context(pipe
);
1334 struct r300_rs_state
* rs
= (struct r300_rs_state
*)state
;
1335 int last_sprite_coord_enable
= r300
->sprite_coord_enable
;
1336 boolean last_two_sided_color
= r300
->two_sided_color
;
1337 boolean last_msaa_enable
= r300
->msaa_enable
;
1338 boolean last_flatshade
= r300
->flatshade
;
1339 boolean last_clip_halfz
= r300
->clip_halfz
;
1341 if (r300
->draw
&& rs
) {
1342 draw_set_rasterizer_state(r300
->draw
, &rs
->rs_draw
, state
);
1346 r300
->polygon_offset_enabled
= rs
->polygon_offset_enable
;
1347 r300
->sprite_coord_enable
= rs
->rs
.sprite_coord_enable
;
1348 r300
->two_sided_color
= rs
->rs
.light_twoside
;
1349 r300
->msaa_enable
= rs
->rs
.multisample
;
1350 r300
->flatshade
= rs
->rs
.flatshade
;
1351 r300
->clip_halfz
= rs
->rs
.clip_halfz
;
1353 r300
->polygon_offset_enabled
= FALSE
;
1354 r300
->sprite_coord_enable
= 0;
1355 r300
->two_sided_color
= FALSE
;
1356 r300
->msaa_enable
= FALSE
;
1357 r300
->flatshade
= FALSE
;
1358 r300
->clip_halfz
= FALSE
;
1361 UPDATE_STATE(state
, r300
->rs_state
);
1362 r300
->rs_state
.size
= RS_STATE_MAIN_SIZE
+ (r300
->polygon_offset_enabled
? 5 : 0);
1364 if (last_sprite_coord_enable
!= r300
->sprite_coord_enable
||
1365 last_two_sided_color
!= r300
->two_sided_color
||
1366 last_flatshade
!= r300
->flatshade
) {
1367 r300_mark_atom_dirty(r300
, &r300
->rs_block_state
);
1370 if (last_msaa_enable
!= r300
->msaa_enable
) {
1371 if (r300
->alpha_to_coverage
) {
1372 r300_mark_atom_dirty(r300
, &r300
->dsa_state
);
1375 if (r300
->alpha_to_one
&&
1376 r300
->fs_status
== FRAGMENT_SHADER_VALID
) {
1377 r300
->fs_status
= FRAGMENT_SHADER_MAYBE_DIRTY
;
1381 if (r300
->screen
->caps
.has_tcl
&& last_clip_halfz
!= r300
->clip_halfz
) {
1382 r300_mark_atom_dirty(r300
, &r300
->vs_state
);
1386 /* Free rasterizer state. */
1387 static void r300_delete_rs_state(struct pipe_context
* pipe
, void* state
)
1393 r300_create_sampler_state(struct pipe_context
* pipe
,
1394 const struct pipe_sampler_state
* state
)
1396 struct r300_context
* r300
= r300_context(pipe
);
1397 struct r300_sampler_state
* sampler
= CALLOC_STRUCT(r300_sampler_state
);
1398 boolean is_r500
= r300
->screen
->caps
.is_r500
;
1401 sampler
->state
= *state
;
1403 /* r300 doesn't handle CLAMP and MIRROR_CLAMP correctly when either MAG
1404 * or MIN filter is NEAREST. Since texwrap produces same results
1405 * for CLAMP and CLAMP_TO_EDGE, we use them instead. */
1406 if (sampler
->state
.min_img_filter
== PIPE_TEX_FILTER_NEAREST
||
1407 sampler
->state
.mag_img_filter
== PIPE_TEX_FILTER_NEAREST
) {
1409 if (sampler
->state
.wrap_s
== PIPE_TEX_WRAP_CLAMP
)
1410 sampler
->state
.wrap_s
= PIPE_TEX_WRAP_CLAMP_TO_EDGE
;
1411 else if (sampler
->state
.wrap_s
== PIPE_TEX_WRAP_MIRROR_CLAMP
)
1412 sampler
->state
.wrap_s
= PIPE_TEX_WRAP_MIRROR_CLAMP_TO_EDGE
;
1415 if (sampler
->state
.wrap_t
== PIPE_TEX_WRAP_CLAMP
)
1416 sampler
->state
.wrap_t
= PIPE_TEX_WRAP_CLAMP_TO_EDGE
;
1417 else if (sampler
->state
.wrap_t
== PIPE_TEX_WRAP_MIRROR_CLAMP
)
1418 sampler
->state
.wrap_t
= PIPE_TEX_WRAP_MIRROR_CLAMP_TO_EDGE
;
1421 if (sampler
->state
.wrap_r
== PIPE_TEX_WRAP_CLAMP
)
1422 sampler
->state
.wrap_r
= PIPE_TEX_WRAP_CLAMP_TO_EDGE
;
1423 else if (sampler
->state
.wrap_r
== PIPE_TEX_WRAP_MIRROR_CLAMP
)
1424 sampler
->state
.wrap_r
= PIPE_TEX_WRAP_MIRROR_CLAMP_TO_EDGE
;
1428 (r300_translate_wrap(sampler
->state
.wrap_s
) << R300_TX_WRAP_S_SHIFT
) |
1429 (r300_translate_wrap(sampler
->state
.wrap_t
) << R300_TX_WRAP_T_SHIFT
) |
1430 (r300_translate_wrap(sampler
->state
.wrap_r
) << R300_TX_WRAP_R_SHIFT
);
1432 sampler
->filter0
|= r300_translate_tex_filters(state
->min_img_filter
,
1433 state
->mag_img_filter
,
1434 state
->min_mip_filter
,
1435 state
->max_anisotropy
> 1);
1437 sampler
->filter0
|= r300_anisotropy(state
->max_anisotropy
);
1439 /* Unfortunately, r300-r500 don't support floating-point mipmap lods. */
1440 /* We must pass these to the merge function to clamp them properly. */
1441 sampler
->min_lod
= (unsigned)MAX2(state
->min_lod
, 0);
1442 sampler
->max_lod
= (unsigned)MAX2(ceilf(state
->max_lod
), 0);
1444 lod_bias
= CLAMP((int)(state
->lod_bias
* 32 + 1), -(1 << 9), (1 << 9) - 1);
1446 sampler
->filter1
|= (lod_bias
<< R300_LOD_BIAS_SHIFT
) & R300_LOD_BIAS_MASK
;
1448 /* This is very high quality anisotropic filtering for R5xx.
1449 * It's good for benchmarking the performance of texturing but
1450 * in practice we don't want to slow down the driver because it's
1451 * a pretty good performance killer. Feel free to play with it. */
1452 if (DBG_ON(r300
, DBG_ANISOHQ
) && is_r500
) {
1453 sampler
->filter1
|= r500_anisotropy(state
->max_anisotropy
);
1456 /* R500-specific fixups and optimizations */
1457 if (r300
->screen
->caps
.is_r500
) {
1458 sampler
->filter1
|= R500_BORDER_FIX
;
1461 return (void*)sampler
;
1464 static void r300_bind_sampler_states(struct pipe_context
* pipe
,
1465 enum pipe_shader_type shader
,
1466 unsigned start
, unsigned count
,
1469 struct r300_context
* r300
= r300_context(pipe
);
1470 struct r300_textures_state
* state
=
1471 (struct r300_textures_state
*)r300
->textures_state
.state
;
1472 unsigned tex_units
= r300
->screen
->caps
.num_tex_units
;
1476 if (shader
!= PIPE_SHADER_FRAGMENT
)
1479 if (count
> tex_units
)
1482 memcpy(state
->sampler_states
, states
, sizeof(void*) * count
);
1483 state
->sampler_state_count
= count
;
1485 r300_mark_atom_dirty(r300
, &r300
->textures_state
);
1488 static void r300_delete_sampler_state(struct pipe_context
* pipe
, void* state
)
1493 static uint32_t r300_assign_texture_cache_region(unsigned index
, unsigned num
)
1495 /* This looks like a hack, but I believe it's suppose to work like
1496 * that. To illustrate how this works, let's assume you have 5 textures.
1497 * From docs, 5 and the successive numbers are:
1505 * First 3 textures will get 3/4 of size of the cache, divived evenly
1506 * between them. The last 1/4 of the cache must be divided between
1507 * the last 2 textures, each will therefore get 1/8 of the cache.
1508 * Why not just to use "5 + texture_index" ?
1510 * This simple trick works for all "num" <= 16.
1513 return R300_TX_CACHE(R300_TX_CACHE_WHOLE
);
1515 return R300_TX_CACHE(num
+ index
);
1518 static void r300_set_sampler_views(struct pipe_context
* pipe
,
1519 enum pipe_shader_type shader
,
1520 unsigned start
, unsigned count
,
1521 struct pipe_sampler_view
** views
)
1523 struct r300_context
* r300
= r300_context(pipe
);
1524 struct r300_textures_state
* state
=
1525 (struct r300_textures_state
*)r300
->textures_state
.state
;
1526 struct r300_resource
*texture
;
1527 unsigned i
, real_num_views
= 0, view_index
= 0;
1528 unsigned tex_units
= r300
->screen
->caps
.num_tex_units
;
1529 boolean dirty_tex
= FALSE
;
1531 if (shader
!= PIPE_SHADER_FRAGMENT
)
1534 assert(start
== 0); /* non-zero not handled yet */
1536 if (count
> tex_units
) {
1540 /* Calculate the real number of views. */
1541 for (i
= 0; i
< count
; i
++) {
1546 for (i
= 0; i
< count
; i
++) {
1547 pipe_sampler_view_reference(
1548 (struct pipe_sampler_view
**)&state
->sampler_views
[i
],
1555 /* A new sampler view (= texture)... */
1558 /* Set the texrect factor in the fragment shader.
1559 * Needed for RECT and NPOT fallback. */
1560 texture
= r300_resource(views
[i
]->texture
);
1561 if (texture
->tex
.is_npot
) {
1562 r300_mark_atom_dirty(r300
, &r300
->fs_rc_constant_state
);
1565 state
->sampler_views
[i
]->texcache_region
=
1566 r300_assign_texture_cache_region(view_index
, real_num_views
);
1570 for (i
= count
; i
< tex_units
; i
++) {
1571 if (state
->sampler_views
[i
]) {
1572 pipe_sampler_view_reference(
1573 (struct pipe_sampler_view
**)&state
->sampler_views
[i
],
1578 state
->sampler_view_count
= count
;
1580 r300_mark_atom_dirty(r300
, &r300
->textures_state
);
1583 r300_mark_atom_dirty(r300
, &r300
->texture_cache_inval
);
1587 struct pipe_sampler_view
*
1588 r300_create_sampler_view_custom(struct pipe_context
*pipe
,
1589 struct pipe_resource
*texture
,
1590 const struct pipe_sampler_view
*templ
,
1591 unsigned width0_override
,
1592 unsigned height0_override
)
1594 struct r300_sampler_view
*view
= CALLOC_STRUCT(r300_sampler_view
);
1595 struct r300_resource
*tex
= r300_resource(texture
);
1596 boolean is_r500
= r300_screen(pipe
->screen
)->caps
.is_r500
;
1597 boolean dxtc_swizzle
= r300_screen(pipe
->screen
)->caps
.dxtc_swizzle
;
1602 view
->base
= *templ
;
1603 view
->base
.reference
.count
= 1;
1604 view
->base
.context
= pipe
;
1605 view
->base
.texture
= NULL
;
1606 pipe_resource_reference(&view
->base
.texture
, texture
);
1608 view
->width0_override
= width0_override
;
1609 view
->height0_override
= height0_override
;
1610 view
->swizzle
[0] = templ
->swizzle_r
;
1611 view
->swizzle
[1] = templ
->swizzle_g
;
1612 view
->swizzle
[2] = templ
->swizzle_b
;
1613 view
->swizzle
[3] = templ
->swizzle_a
;
1615 hwformat
= r300_translate_texformat(templ
->format
,
1620 if (hwformat
== ~0) {
1621 fprintf(stderr
, "r300: Ooops. Got unsupported format %s in %s.\n",
1622 util_format_short_name(templ
->format
), __func__
);
1624 assert(hwformat
!= ~0);
1626 r300_texture_setup_format_state(r300_screen(pipe
->screen
), tex
,
1628 width0_override
, height0_override
,
1630 view
->format
.format1
|= hwformat
;
1632 view
->format
.format2
|= r500_tx_format_msb_bit(templ
->format
);
1636 return (struct pipe_sampler_view
*)view
;
1639 static struct pipe_sampler_view
*
1640 r300_create_sampler_view(struct pipe_context
*pipe
,
1641 struct pipe_resource
*texture
,
1642 const struct pipe_sampler_view
*templ
)
1644 return r300_create_sampler_view_custom(pipe
, texture
, templ
,
1645 r300_resource(texture
)->tex
.width0
,
1646 r300_resource(texture
)->tex
.height0
);
1651 r300_sampler_view_destroy(struct pipe_context
*pipe
,
1652 struct pipe_sampler_view
*view
)
1654 pipe_resource_reference(&view
->texture
, NULL
);
1658 static void r300_set_sample_mask(struct pipe_context
*pipe
,
1661 struct r300_context
* r300
= r300_context(pipe
);
1663 *((unsigned*)r300
->sample_mask
.state
) = mask
;
1665 r300_mark_atom_dirty(r300
, &r300
->sample_mask
);
1668 static void r300_set_scissor_states(struct pipe_context
* pipe
,
1669 unsigned start_slot
,
1670 unsigned num_scissors
,
1671 const struct pipe_scissor_state
* state
)
1673 struct r300_context
* r300
= r300_context(pipe
);
1675 memcpy(r300
->scissor_state
.state
, state
,
1676 sizeof(struct pipe_scissor_state
));
1678 r300_mark_atom_dirty(r300
, &r300
->scissor_state
);
1681 static void r300_set_viewport_states(struct pipe_context
* pipe
,
1682 unsigned start_slot
,
1683 unsigned num_viewports
,
1684 const struct pipe_viewport_state
* state
)
1686 struct r300_context
* r300
= r300_context(pipe
);
1687 struct r300_viewport_state
* viewport
=
1688 (struct r300_viewport_state
*)r300
->viewport_state
.state
;
1690 r300
->viewport
= *state
;
1693 draw_set_viewport_states(r300
->draw
, start_slot
, num_viewports
, state
);
1694 viewport
->vte_control
= R300_VTX_XY_FMT
| R300_VTX_Z_FMT
;
1698 /* Do the transform in HW. */
1699 viewport
->vte_control
= R300_VTX_W0_FMT
;
1701 if (state
->scale
[0] != 1.0f
) {
1702 viewport
->xscale
= state
->scale
[0];
1703 viewport
->vte_control
|= R300_VPORT_X_SCALE_ENA
;
1705 if (state
->scale
[1] != 1.0f
) {
1706 viewport
->yscale
= state
->scale
[1];
1707 viewport
->vte_control
|= R300_VPORT_Y_SCALE_ENA
;
1709 if (state
->scale
[2] != 1.0f
) {
1710 viewport
->zscale
= state
->scale
[2];
1711 viewport
->vte_control
|= R300_VPORT_Z_SCALE_ENA
;
1713 if (state
->translate
[0] != 0.0f
) {
1714 viewport
->xoffset
= state
->translate
[0];
1715 viewport
->vte_control
|= R300_VPORT_X_OFFSET_ENA
;
1717 if (state
->translate
[1] != 0.0f
) {
1718 viewport
->yoffset
= state
->translate
[1];
1719 viewport
->vte_control
|= R300_VPORT_Y_OFFSET_ENA
;
1721 if (state
->translate
[2] != 0.0f
) {
1722 viewport
->zoffset
= state
->translate
[2];
1723 viewport
->vte_control
|= R300_VPORT_Z_OFFSET_ENA
;
1726 r300_mark_atom_dirty(r300
, &r300
->viewport_state
);
1727 if (r300
->fs
.state
&& r300_fs(r300
)->shader
&&
1728 r300_fs(r300
)->shader
->inputs
.wpos
!= ATTR_UNUSED
) {
1729 r300_mark_atom_dirty(r300
, &r300
->fs_rc_constant_state
);
1733 static void r300_set_vertex_buffers_hwtcl(struct pipe_context
* pipe
,
1734 unsigned start_slot
, unsigned count
,
1735 const struct pipe_vertex_buffer
* buffers
)
1737 struct r300_context
* r300
= r300_context(pipe
);
1739 util_set_vertex_buffers_count(r300
->vertex_buffer
,
1740 &r300
->nr_vertex_buffers
,
1741 buffers
, start_slot
, count
);
1743 /* There must be at least one vertex buffer set, otherwise it locks up. */
1744 if (!r300
->nr_vertex_buffers
) {
1745 util_set_vertex_buffers_count(r300
->vertex_buffer
,
1746 &r300
->nr_vertex_buffers
,
1747 &r300
->dummy_vb
, 0, 1);
1750 r300
->vertex_arrays_dirty
= TRUE
;
1753 static void r300_set_vertex_buffers_swtcl(struct pipe_context
* pipe
,
1754 unsigned start_slot
, unsigned count
,
1755 const struct pipe_vertex_buffer
* buffers
)
1757 struct r300_context
* r300
= r300_context(pipe
);
1760 util_set_vertex_buffers_count(r300
->vertex_buffer
,
1761 &r300
->nr_vertex_buffers
,
1762 buffers
, start_slot
, count
);
1763 draw_set_vertex_buffers(r300
->draw
, start_slot
, count
, buffers
);
1768 for (i
= 0; i
< count
; i
++) {
1769 if (buffers
[i
].is_user_buffer
) {
1770 draw_set_mapped_vertex_buffer(r300
->draw
, start_slot
+ i
,
1771 buffers
[i
].buffer
.user
, ~0);
1772 } else if (buffers
[i
].buffer
.resource
) {
1773 draw_set_mapped_vertex_buffer(r300
->draw
, start_slot
+ i
,
1774 r300_resource(buffers
[i
].buffer
.resource
)->malloced_buffer
, ~0);
1779 /* Initialize the PSC tables. */
1780 static void r300_vertex_psc(struct r300_vertex_element_state
*velems
)
1782 struct r300_vertex_stream_state
*vstream
= &velems
->vertex_stream
;
1783 uint16_t type
, swizzle
;
1784 enum pipe_format format
;
1787 /* Vertex shaders have no semantics on their inputs,
1788 * so PSC should just route stuff based on the vertex elements,
1789 * and not on attrib information. */
1790 for (i
= 0; i
< velems
->count
; i
++) {
1791 format
= velems
->velem
[i
].src_format
;
1793 type
= r300_translate_vertex_data_type(format
);
1794 if (type
== R300_INVALID_FORMAT
) {
1795 fprintf(stderr
, "r300: Bad vertex format %s.\n",
1796 util_format_short_name(format
));
1801 type
|= i
<< R300_DST_VEC_LOC_SHIFT
;
1802 swizzle
= r300_translate_vertex_data_swizzle(format
);
1805 vstream
->vap_prog_stream_cntl
[i
>> 1] |= type
<< 16;
1806 vstream
->vap_prog_stream_cntl_ext
[i
>> 1] |= swizzle
<< 16;
1808 vstream
->vap_prog_stream_cntl
[i
>> 1] |= type
;
1809 vstream
->vap_prog_stream_cntl_ext
[i
>> 1] |= swizzle
;
1813 /* Set the last vector in the PSC. */
1817 vstream
->vap_prog_stream_cntl
[i
>> 1] |=
1818 (R300_LAST_VEC
<< (i
& 1 ? 16 : 0));
1820 vstream
->count
= (i
>> 1) + 1;
1823 static void* r300_create_vertex_elements_state(struct pipe_context
* pipe
,
1825 const struct pipe_vertex_element
* attribs
)
1827 struct r300_vertex_element_state
*velems
;
1829 struct pipe_vertex_element dummy_attrib
= {0};
1831 /* R300 Programmable Stream Control (PSC) doesn't support 0 vertex elements. */
1833 dummy_attrib
.src_format
= PIPE_FORMAT_R8G8B8A8_UNORM
;
1834 attribs
= &dummy_attrib
;
1836 } else if (count
> 16) {
1837 fprintf(stderr
, "r300: More than 16 vertex elements are not supported,"
1838 " requested %i, using 16.\n", count
);
1842 velems
= CALLOC_STRUCT(r300_vertex_element_state
);
1846 velems
->count
= count
;
1847 memcpy(velems
->velem
, attribs
, sizeof(struct pipe_vertex_element
) * count
);
1849 if (r300_screen(pipe
->screen
)->caps
.has_tcl
) {
1851 * The unused components will be replaced by (..., 0, 1). */
1852 r300_vertex_psc(velems
);
1854 for (i
= 0; i
< count
; i
++) {
1855 velems
->format_size
[i
] =
1856 align(util_format_get_blocksize(velems
->velem
[i
].src_format
), 4);
1857 velems
->vertex_size_dwords
+= velems
->format_size
[i
] / 4;
1864 static void r300_bind_vertex_elements_state(struct pipe_context
*pipe
,
1867 struct r300_context
*r300
= r300_context(pipe
);
1868 struct r300_vertex_element_state
*velems
= state
;
1874 r300
->velems
= velems
;
1877 draw_set_vertex_elements(r300
->draw
, velems
->count
, velems
->velem
);
1881 UPDATE_STATE(&velems
->vertex_stream
, r300
->vertex_stream_state
);
1882 r300
->vertex_stream_state
.size
= (1 + velems
->vertex_stream
.count
) * 2;
1883 r300
->vertex_arrays_dirty
= TRUE
;
1886 static void r300_delete_vertex_elements_state(struct pipe_context
*pipe
, void *state
)
1891 static void* r300_create_vs_state(struct pipe_context
* pipe
,
1892 const struct pipe_shader_state
* shader
)
1894 struct r300_context
* r300
= r300_context(pipe
);
1895 struct r300_vertex_shader
* vs
= CALLOC_STRUCT(r300_vertex_shader
);
1897 /* Copy state directly into shader. */
1898 vs
->state
= *shader
;
1899 vs
->state
.tokens
= tgsi_dup_tokens(shader
->tokens
);
1901 if (r300
->screen
->caps
.has_tcl
) {
1902 r300_init_vs_outputs(r300
, vs
);
1903 r300_translate_vertex_shader(r300
, vs
);
1905 r300_draw_init_vertex_shader(r300
, vs
);
1911 static void r300_bind_vs_state(struct pipe_context
* pipe
, void* shader
)
1913 struct r300_context
* r300
= r300_context(pipe
);
1914 struct r300_vertex_shader
* vs
= (struct r300_vertex_shader
*)shader
;
1917 r300
->vs_state
.state
= NULL
;
1920 if (vs
== r300
->vs_state
.state
) {
1923 r300
->vs_state
.state
= vs
;
1925 /* The majority of the RS block bits is dependent on the vertex shader. */
1926 r300_mark_atom_dirty(r300
, &r300
->rs_block_state
); /* Will be updated before the emission. */
1928 if (r300
->screen
->caps
.has_tcl
) {
1929 unsigned fc_op_dwords
= r300
->screen
->caps
.is_r500
? 3 : 2;
1930 r300_mark_atom_dirty(r300
, &r300
->vs_state
);
1931 r300
->vs_state
.size
= vs
->code
.length
+ 9 +
1932 (R300_VS_MAX_FC_OPS
* fc_op_dwords
+ 4);
1934 r300_mark_atom_dirty(r300
, &r300
->vs_constants
);
1935 r300
->vs_constants
.size
=
1937 (vs
->externals_count
? vs
->externals_count
* 4 + 3 : 0) +
1938 (vs
->immediates_count
? vs
->immediates_count
* 4 + 3 : 0);
1940 ((struct r300_constant_buffer
*)r300
->vs_constants
.state
)->remap_table
=
1941 vs
->code
.constants_remap_table
;
1943 r300_mark_atom_dirty(r300
, &r300
->pvs_flush
);
1945 draw_bind_vertex_shader(r300
->draw
,
1946 (struct draw_vertex_shader
*)vs
->draw_vs
);
1950 static void r300_delete_vs_state(struct pipe_context
* pipe
, void* shader
)
1952 struct r300_context
* r300
= r300_context(pipe
);
1953 struct r300_vertex_shader
* vs
= (struct r300_vertex_shader
*)shader
;
1955 if (r300
->screen
->caps
.has_tcl
) {
1956 rc_constants_destroy(&vs
->code
.constants
);
1957 FREE(vs
->code
.constants_remap_table
);
1959 draw_delete_vertex_shader(r300
->draw
,
1960 (struct draw_vertex_shader
*)vs
->draw_vs
);
1963 FREE((void*)vs
->state
.tokens
);
1967 static void r300_set_constant_buffer(struct pipe_context
*pipe
,
1968 enum pipe_shader_type shader
, uint index
,
1969 const struct pipe_constant_buffer
*cb
)
1971 struct r300_context
* r300
= r300_context(pipe
);
1972 struct r300_constant_buffer
*cbuf
;
1975 if (!cb
|| (!cb
->buffer
&& !cb
->user_buffer
))
1979 case PIPE_SHADER_VERTEX
:
1980 cbuf
= (struct r300_constant_buffer
*)r300
->vs_constants
.state
;
1982 case PIPE_SHADER_FRAGMENT
:
1983 cbuf
= (struct r300_constant_buffer
*)r300
->fs_constants
.state
;
1990 if (cb
->user_buffer
)
1991 mapped
= (uint32_t*)cb
->user_buffer
;
1993 struct r300_resource
*rbuf
= r300_resource(cb
->buffer
);
1995 if (rbuf
&& rbuf
->malloced_buffer
)
1996 mapped
= (uint32_t*)rbuf
->malloced_buffer
;
2001 if (shader
== PIPE_SHADER_FRAGMENT
||
2002 (shader
== PIPE_SHADER_VERTEX
&& r300
->screen
->caps
.has_tcl
)) {
2006 if (shader
== PIPE_SHADER_VERTEX
) {
2007 if (r300
->screen
->caps
.has_tcl
) {
2008 struct r300_vertex_shader
*vs
=
2009 (struct r300_vertex_shader
*)r300
->vs_state
.state
;
2012 cbuf
->buffer_base
= 0;
2016 cbuf
->buffer_base
= r300
->vs_const_base
;
2017 r300
->vs_const_base
+= vs
->code
.constants
.Count
;
2018 if (r300
->vs_const_base
> R500_MAX_PVS_CONST_VECS
) {
2019 r300
->vs_const_base
= vs
->code
.constants
.Count
;
2020 cbuf
->buffer_base
= 0;
2021 r300_mark_atom_dirty(r300
, &r300
->pvs_flush
);
2023 r300_mark_atom_dirty(r300
, &r300
->vs_constants
);
2024 } else if (r300
->draw
) {
2025 draw_set_mapped_constant_buffer(r300
->draw
, PIPE_SHADER_VERTEX
,
2026 0, mapped
, cb
->buffer_size
);
2028 } else if (shader
== PIPE_SHADER_FRAGMENT
) {
2029 r300_mark_atom_dirty(r300
, &r300
->fs_constants
);
2033 static void r300_texture_barrier(struct pipe_context
*pipe
, unsigned flags
)
2035 struct r300_context
*r300
= r300_context(pipe
);
2037 r300_mark_atom_dirty(r300
, &r300
->gpu_flush
);
2038 r300_mark_atom_dirty(r300
, &r300
->texture_cache_inval
);
2041 static void r300_memory_barrier(struct pipe_context
*pipe
, unsigned flags
)
2045 void r300_init_state_functions(struct r300_context
* r300
)
2047 r300
->context
.create_blend_state
= r300_create_blend_state
;
2048 r300
->context
.bind_blend_state
= r300_bind_blend_state
;
2049 r300
->context
.delete_blend_state
= r300_delete_blend_state
;
2051 r300
->context
.set_blend_color
= r300_set_blend_color
;
2053 r300
->context
.set_clip_state
= r300_set_clip_state
;
2054 r300
->context
.set_sample_mask
= r300_set_sample_mask
;
2056 r300
->context
.set_constant_buffer
= r300_set_constant_buffer
;
2058 r300
->context
.create_depth_stencil_alpha_state
= r300_create_dsa_state
;
2059 r300
->context
.bind_depth_stencil_alpha_state
= r300_bind_dsa_state
;
2060 r300
->context
.delete_depth_stencil_alpha_state
= r300_delete_dsa_state
;
2062 r300
->context
.set_stencil_ref
= r300_set_stencil_ref
;
2064 r300
->context
.set_framebuffer_state
= r300_set_framebuffer_state
;
2066 r300
->context
.create_fs_state
= r300_create_fs_state
;
2067 r300
->context
.bind_fs_state
= r300_bind_fs_state
;
2068 r300
->context
.delete_fs_state
= r300_delete_fs_state
;
2070 r300
->context
.set_polygon_stipple
= r300_set_polygon_stipple
;
2072 r300
->context
.create_rasterizer_state
= r300_create_rs_state
;
2073 r300
->context
.bind_rasterizer_state
= r300_bind_rs_state
;
2074 r300
->context
.delete_rasterizer_state
= r300_delete_rs_state
;
2076 r300
->context
.create_sampler_state
= r300_create_sampler_state
;
2077 r300
->context
.bind_sampler_states
= r300_bind_sampler_states
;
2078 r300
->context
.delete_sampler_state
= r300_delete_sampler_state
;
2080 r300
->context
.set_sampler_views
= r300_set_sampler_views
;
2081 r300
->context
.create_sampler_view
= r300_create_sampler_view
;
2082 r300
->context
.sampler_view_destroy
= r300_sampler_view_destroy
;
2084 r300
->context
.set_scissor_states
= r300_set_scissor_states
;
2086 r300
->context
.set_viewport_states
= r300_set_viewport_states
;
2088 if (r300
->screen
->caps
.has_tcl
) {
2089 r300
->context
.set_vertex_buffers
= r300_set_vertex_buffers_hwtcl
;
2091 r300
->context
.set_vertex_buffers
= r300_set_vertex_buffers_swtcl
;
2094 r300
->context
.create_vertex_elements_state
= r300_create_vertex_elements_state
;
2095 r300
->context
.bind_vertex_elements_state
= r300_bind_vertex_elements_state
;
2096 r300
->context
.delete_vertex_elements_state
= r300_delete_vertex_elements_state
;
2098 r300
->context
.create_vs_state
= r300_create_vs_state
;
2099 r300
->context
.bind_vs_state
= r300_bind_vs_state
;
2100 r300
->context
.delete_vs_state
= r300_delete_vs_state
;
2102 r300
->context
.texture_barrier
= r300_texture_barrier
;
2103 r300
->context
.memory_barrier
= r300_memory_barrier
;