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_mm.h"
31 #include "util/u_memory.h"
32 #include "util/u_pack_color.h"
33 #include "util/u_transfer.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 srcRGB
== PIPE_BLENDFACTOR_DST_COLOR
||
289 srcRGB
== PIPE_BLENDFACTOR_DST_ALPHA
||
290 srcRGB
== PIPE_BLENDFACTOR_INV_DST_COLOR
||
291 srcRGB
== PIPE_BLENDFACTOR_INV_DST_ALPHA
||
292 srcA
== PIPE_BLENDFACTOR_DST_COLOR
||
293 srcA
== PIPE_BLENDFACTOR_DST_ALPHA
||
294 srcA
== PIPE_BLENDFACTOR_INV_DST_COLOR
||
295 srcA
== PIPE_BLENDFACTOR_INV_DST_ALPHA
||
296 srcRGB
== PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE
) {
297 /* Enable reading from the colorbuffer. */
298 blend_control
|= R300_READ_ENABLE
;
300 if (src_alpha_optz
) {
301 /* Optimization: Depending on incoming pixels, we can
302 * conditionally disable the reading in hardware... */
303 if (eqRGB
!= PIPE_BLEND_MIN
&& eqA
!= PIPE_BLEND_MIN
&&
304 eqRGB
!= PIPE_BLEND_MAX
&& eqA
!= PIPE_BLEND_MAX
) {
305 /* Disable reading if SRC_ALPHA == 0. */
306 if ((dstRGB
== PIPE_BLENDFACTOR_SRC_ALPHA
||
307 dstRGB
== PIPE_BLENDFACTOR_ZERO
) &&
308 (dstA
== PIPE_BLENDFACTOR_SRC_COLOR
||
309 dstA
== PIPE_BLENDFACTOR_SRC_ALPHA
||
310 dstA
== PIPE_BLENDFACTOR_ZERO
) &&
311 (srcRGB
!= PIPE_BLENDFACTOR_DST_COLOR
&&
312 srcRGB
!= PIPE_BLENDFACTOR_DST_ALPHA
&&
313 srcRGB
!= PIPE_BLENDFACTOR_INV_DST_COLOR
&&
314 srcRGB
!= PIPE_BLENDFACTOR_INV_DST_ALPHA
)) {
315 blend_control
|= R500_SRC_ALPHA_0_NO_READ
;
318 /* Disable reading if SRC_ALPHA == 1. */
319 if ((dstRGB
== PIPE_BLENDFACTOR_INV_SRC_ALPHA
||
320 dstRGB
== PIPE_BLENDFACTOR_ZERO
) &&
321 (dstA
== PIPE_BLENDFACTOR_INV_SRC_COLOR
||
322 dstA
== PIPE_BLENDFACTOR_INV_SRC_ALPHA
||
323 dstA
== PIPE_BLENDFACTOR_ZERO
) &&
324 (srcRGB
!= PIPE_BLENDFACTOR_DST_COLOR
&&
325 srcRGB
!= PIPE_BLENDFACTOR_DST_ALPHA
&&
326 srcRGB
!= PIPE_BLENDFACTOR_INV_DST_COLOR
&&
327 srcRGB
!= PIPE_BLENDFACTOR_INV_DST_ALPHA
)) {
328 blend_control
|= R500_SRC_ALPHA_1_NO_READ
;
333 return blend_control
;
336 /* Create a new blend state based on the CSO blend state.
338 * This encompasses alpha blending, logic/raster ops, and blend dithering. */
339 static void* r300_create_blend_state(struct pipe_context
* pipe
,
340 const struct pipe_blend_state
* state
)
342 struct r300_screen
* r300screen
= r300_screen(pipe
->screen
);
343 struct r300_blend_state
* blend
= CALLOC_STRUCT(r300_blend_state
);
344 uint32_t blend_control
= 0; /* R300_RB3D_CBLEND: 0x4e04 */
345 uint32_t blend_control_noclamp
= 0; /* R300_RB3D_CBLEND: 0x4e04 */
346 uint32_t blend_control_noalpha
= 0; /* R300_RB3D_CBLEND: 0x4e04 */
347 uint32_t blend_control_noalpha_noclamp
= 0; /* R300_RB3D_CBLEND: 0x4e04 */
348 uint32_t alpha_blend_control
= 0; /* R300_RB3D_ABLEND: 0x4e08 */
349 uint32_t alpha_blend_control_noclamp
= 0; /* R300_RB3D_ABLEND: 0x4e08 */
350 uint32_t alpha_blend_control_noalpha
= 0; /* R300_RB3D_ABLEND: 0x4e08 */
351 uint32_t alpha_blend_control_noalpha_noclamp
= 0; /* R300_RB3D_ABLEND: 0x4e08 */
352 uint32_t rop
= 0; /* R300_RB3D_ROPCNTL: 0x4e18 */
353 uint32_t dither
= 0; /* R300_RB3D_DITHER_CTL: 0x4e50 */
356 const unsigned eqRGB
= state
->rt
[0].rgb_func
;
357 const unsigned srcRGB
= state
->rt
[0].rgb_src_factor
;
358 const unsigned dstRGB
= state
->rt
[0].rgb_dst_factor
;
360 const unsigned eqA
= state
->rt
[0].alpha_func
;
361 const unsigned srcA
= state
->rt
[0].alpha_src_factor
;
362 const unsigned dstA
= state
->rt
[0].alpha_dst_factor
;
364 unsigned srcRGBX
= srcRGB
;
365 unsigned dstRGBX
= dstRGB
;
368 blend
->state
= *state
;
370 /* force DST_ALPHA to ONE where we can */
372 case PIPE_BLENDFACTOR_DST_ALPHA
:
373 srcRGBX
= PIPE_BLENDFACTOR_ONE
;
375 case PIPE_BLENDFACTOR_INV_DST_ALPHA
:
376 srcRGBX
= PIPE_BLENDFACTOR_ZERO
;
381 case PIPE_BLENDFACTOR_DST_ALPHA
:
382 dstRGBX
= PIPE_BLENDFACTOR_ONE
;
384 case PIPE_BLENDFACTOR_INV_DST_ALPHA
:
385 dstRGBX
= PIPE_BLENDFACTOR_ZERO
;
389 /* Get blending register values. */
390 if (state
->rt
[0].blend_enable
) {
391 unsigned blend_eq
, blend_eq_noclamp
;
393 /* despite the name, ALPHA_BLEND_ENABLE has nothing to do with alpha,
394 * this is just the crappy D3D naming */
395 blend_control
= blend_control_noclamp
=
396 R300_ALPHA_BLEND_ENABLE
|
397 ( r300_translate_blend_factor(srcRGB
) << R300_SRC_BLEND_SHIFT
) |
398 ( r300_translate_blend_factor(dstRGB
) << R300_DST_BLEND_SHIFT
);
400 blend_control_noalpha
= blend_control_noalpha_noclamp
=
401 R300_ALPHA_BLEND_ENABLE
|
402 ( r300_translate_blend_factor(srcRGBX
) << R300_SRC_BLEND_SHIFT
) |
403 ( r300_translate_blend_factor(dstRGBX
) << R300_DST_BLEND_SHIFT
);
405 blend_eq
= r300_translate_blend_function(eqRGB
, TRUE
);
406 blend_eq_noclamp
= r300_translate_blend_function(eqRGB
, FALSE
);
408 blend_control
|= blend_eq
;
409 blend_control_noalpha
|= blend_eq
;
410 blend_control_noclamp
|= blend_eq_noclamp
;
411 blend_control_noalpha_noclamp
|= blend_eq_noclamp
;
413 /* Optimization: some operations do not require the destination color. */
414 blend_control
|= blend_read_enable(eqRGB
, eqA
, dstRGB
, dstA
,
415 srcRGB
, srcA
, r300screen
->caps
.is_r500
);
416 blend_control_noclamp
|= blend_read_enable(eqRGB
, eqA
, dstRGB
, dstA
,
417 srcRGB
, srcA
, FALSE
);
418 blend_control_noalpha
|= blend_read_enable(eqRGB
, eqA
, dstRGBX
, dstA
,
419 srcRGBX
, srcA
, r300screen
->caps
.is_r500
);
420 blend_control_noalpha_noclamp
|= blend_read_enable(eqRGB
, eqA
, dstRGBX
, dstA
,
421 srcRGBX
, srcA
, FALSE
);
423 /* Optimization: discard pixels which don't change the colorbuffer.
424 * It cannot be used with FP16 AA. */
425 blend_control
|= blend_discard_conditionally(eqRGB
, eqA
, dstRGB
, dstA
,
427 blend_control_noalpha
|= blend_discard_conditionally(eqRGB
, eqA
, dstRGBX
, dstA
,
431 if (srcA
!= srcRGB
|| dstA
!= dstRGB
|| eqA
!= eqRGB
) {
432 blend_control
|= R300_SEPARATE_ALPHA_ENABLE
;
433 blend_control_noclamp
|= R300_SEPARATE_ALPHA_ENABLE
;
435 alpha_blend_control
= alpha_blend_control_noclamp
=
436 (r300_translate_blend_factor(srcA
) << R300_SRC_BLEND_SHIFT
) |
437 (r300_translate_blend_factor(dstA
) << R300_DST_BLEND_SHIFT
);
438 alpha_blend_control
|= r300_translate_blend_function(eqA
, TRUE
);
439 alpha_blend_control_noclamp
|= r300_translate_blend_function(eqA
, FALSE
);
441 if (srcA
!= srcRGBX
|| dstA
!= dstRGBX
|| eqA
!= eqRGB
) {
442 blend_control_noalpha
|= R300_SEPARATE_ALPHA_ENABLE
;
443 blend_control_noalpha_noclamp
|= R300_SEPARATE_ALPHA_ENABLE
;
445 alpha_blend_control_noalpha
= alpha_blend_control_noalpha_noclamp
=
446 (r300_translate_blend_factor(srcA
) << R300_SRC_BLEND_SHIFT
) |
447 (r300_translate_blend_factor(dstA
) << R300_DST_BLEND_SHIFT
);
448 alpha_blend_control_noalpha
|= r300_translate_blend_function(eqA
, TRUE
);
449 alpha_blend_control_noalpha_noclamp
|= r300_translate_blend_function(eqA
, FALSE
);
453 /* PIPE_LOGICOP_* don't need to be translated, fortunately. */
454 if (state
->logicop_enable
) {
455 rop
= R300_RB3D_ROPCNTL_ROP_ENABLE
|
456 (state
->logicop_func
) << R300_RB3D_ROPCNTL_ROP_SHIFT
;
459 /* Neither fglrx nor classic r300 ever set this, regardless of dithering
460 * state. Since it's an optional implementation detail, we can leave it
461 * out and never dither.
463 * This could be revisited if we ever get quality or conformance hints.
466 dither = R300_RB3D_DITHER_CTL_DITHER_MODE_LUT |
467 R300_RB3D_DITHER_CTL_ALPHA_DITHER_MODE_LUT;
471 /* Build a command buffer. */
473 unsigned (*func
[COLORMASK_NUM_SWIZZLES
])(unsigned) = {
484 for (i
= 0; i
< COLORMASK_NUM_SWIZZLES
; i
++) {
485 boolean has_alpha
= i
!= COLORMASK_RGBX
&& i
!= COLORMASK_BGRX
;
487 BEGIN_CB(blend
->cb_clamp
[i
], 8);
488 OUT_CB_REG(R300_RB3D_ROPCNTL
, rop
);
489 OUT_CB_REG_SEQ(R300_RB3D_CBLEND
, 3);
490 OUT_CB(has_alpha
? blend_control
: blend_control_noalpha
);
491 OUT_CB(has_alpha
? alpha_blend_control
: alpha_blend_control_noalpha
);
492 OUT_CB(func
[i
](state
->rt
[0].colormask
));
493 OUT_CB_REG(R300_RB3D_DITHER_CTL
, dither
);
498 /* Build a command buffer (for RGBA16F). */
499 BEGIN_CB(blend
->cb_noclamp
, 8);
500 OUT_CB_REG(R300_RB3D_ROPCNTL
, rop
);
501 OUT_CB_REG_SEQ(R300_RB3D_CBLEND
, 3);
502 OUT_CB(blend_control_noclamp
);
503 OUT_CB(alpha_blend_control_noclamp
);
504 OUT_CB(rgba_cmask(state
->rt
[0].colormask
));
505 OUT_CB_REG(R300_RB3D_DITHER_CTL
, dither
);
508 /* Build a command buffer (for RGB16F). */
509 BEGIN_CB(blend
->cb_noclamp_noalpha
, 8);
510 OUT_CB_REG(R300_RB3D_ROPCNTL
, rop
);
511 OUT_CB_REG_SEQ(R300_RB3D_CBLEND
, 3);
512 OUT_CB(blend_control_noalpha_noclamp
);
513 OUT_CB(alpha_blend_control_noalpha_noclamp
);
514 OUT_CB(rgba_cmask(state
->rt
[0].colormask
));
515 OUT_CB_REG(R300_RB3D_DITHER_CTL
, dither
);
518 /* The same as above, but with no colorbuffer reads and writes. */
519 BEGIN_CB(blend
->cb_no_readwrite
, 8);
520 OUT_CB_REG(R300_RB3D_ROPCNTL
, rop
);
521 OUT_CB_REG_SEQ(R300_RB3D_CBLEND
, 3);
525 OUT_CB_REG(R300_RB3D_DITHER_CTL
, dither
);
531 /* Bind blend state. */
532 static void r300_bind_blend_state(struct pipe_context
* pipe
,
535 struct r300_context
* r300
= r300_context(pipe
);
536 struct r300_blend_state
*blend
= (struct r300_blend_state
*)state
;
537 boolean last_alpha_to_one
= r300
->alpha_to_one
;
538 boolean last_alpha_to_coverage
= r300
->alpha_to_coverage
;
540 UPDATE_STATE(state
, r300
->blend_state
);
545 r300
->alpha_to_one
= blend
->state
.alpha_to_one
;
546 r300
->alpha_to_coverage
= blend
->state
.alpha_to_coverage
;
548 if (r300
->alpha_to_one
!= last_alpha_to_one
&& r300
->msaa_enable
&&
549 r300
->fs_status
== FRAGMENT_SHADER_VALID
) {
550 r300
->fs_status
= FRAGMENT_SHADER_MAYBE_DIRTY
;
553 if (r300
->alpha_to_coverage
!= last_alpha_to_coverage
&&
555 r300_mark_atom_dirty(r300
, &r300
->dsa_state
);
559 /* Free blend state. */
560 static void r300_delete_blend_state(struct pipe_context
* pipe
,
566 /* Convert float to 10bit integer */
567 static unsigned float_to_fixed10(float f
)
569 return CLAMP((unsigned)(f
* 1023.9f
), 0, 1023);
573 * Setup both R300 and R500 registers, figure out later which one to write. */
574 static void r300_set_blend_color(struct pipe_context
* pipe
,
575 const struct pipe_blend_color
* color
)
577 struct r300_context
* r300
= r300_context(pipe
);
578 struct pipe_framebuffer_state
*fb
= r300
->fb_state
.state
;
579 struct r300_blend_color_state
*state
=
580 (struct r300_blend_color_state
*)r300
->blend_color_state
.state
;
581 struct pipe_blend_color c
;
582 enum pipe_format format
= fb
->nr_cbufs
? fb
->cbufs
[0]->format
: 0;
586 state
->state
= *color
; /* Save it, so that we can reuse it in set_fb_state */
589 /* The blend color is dependent on the colorbuffer format. */
592 case PIPE_FORMAT_R8_UNORM
:
593 case PIPE_FORMAT_L8_UNORM
:
594 case PIPE_FORMAT_I8_UNORM
:
595 c
.color
[1] = c
.color
[0];
598 case PIPE_FORMAT_A8_UNORM
:
599 c
.color
[1] = c
.color
[3];
602 case PIPE_FORMAT_R8G8_UNORM
:
603 c
.color
[2] = c
.color
[1];
606 case PIPE_FORMAT_L8A8_UNORM
:
607 case PIPE_FORMAT_R8A8_UNORM
:
608 c
.color
[2] = c
.color
[3];
611 case PIPE_FORMAT_R8G8B8A8_UNORM
:
612 case PIPE_FORMAT_R8G8B8X8_UNORM
:
614 c
.color
[0] = c
.color
[2];
622 if (r300
->screen
->caps
.is_r500
) {
623 BEGIN_CB(state
->cb
, 3);
624 OUT_CB_REG_SEQ(R500_RB3D_CONSTANT_COLOR_AR
, 2);
627 case PIPE_FORMAT_R16G16B16A16_FLOAT
:
628 case PIPE_FORMAT_R16G16B16X16_FLOAT
:
629 OUT_CB(util_float_to_half(c
.color
[2]) |
630 (util_float_to_half(c
.color
[3]) << 16));
631 OUT_CB(util_float_to_half(c
.color
[0]) |
632 (util_float_to_half(c
.color
[1]) << 16));
636 OUT_CB(float_to_fixed10(c
.color
[0]) |
637 (float_to_fixed10(c
.color
[3]) << 16));
638 OUT_CB(float_to_fixed10(c
.color
[2]) |
639 (float_to_fixed10(c
.color
[1]) << 16));
645 util_pack_color(c
.color
, PIPE_FORMAT_B8G8R8A8_UNORM
, &uc
);
647 BEGIN_CB(state
->cb
, 2);
648 OUT_CB_REG(R300_RB3D_BLEND_COLOR
, uc
.ui
);
652 r300_mark_atom_dirty(r300
, &r300
->blend_color_state
);
655 static void r300_set_clip_state(struct pipe_context
* pipe
,
656 const struct pipe_clip_state
* state
)
658 struct r300_context
* r300
= r300_context(pipe
);
659 struct r300_clip_state
*clip
=
660 (struct r300_clip_state
*)r300
->clip_state
.state
;
663 if (r300
->screen
->caps
.has_tcl
) {
664 BEGIN_CB(clip
->cb
, r300
->clip_state
.size
);
665 OUT_CB_REG(R300_VAP_PVS_VECTOR_INDX_REG
,
666 (r300
->screen
->caps
.is_r500
?
667 R500_PVS_UCP_START
: R300_PVS_UCP_START
));
668 OUT_CB_ONE_REG(R300_VAP_PVS_UPLOAD_DATA
, 6 * 4);
669 OUT_CB_TABLE(state
->ucp
, 6 * 4);
672 r300_mark_atom_dirty(r300
, &r300
->clip_state
);
674 draw_set_clip_state(r300
->draw
, state
);
678 /* Create a new depth, stencil, and alpha state based on the CSO dsa state.
680 * This contains the depth buffer, stencil buffer, alpha test, and such.
681 * On the Radeon, depth and stencil buffer setup are intertwined, which is
682 * the reason for some of the strange-looking assignments across registers. */
683 static void* r300_create_dsa_state(struct pipe_context
* pipe
,
684 const struct pipe_depth_stencil_alpha_state
* state
)
686 boolean is_r500
= r300_screen(pipe
->screen
)->caps
.is_r500
;
687 struct r300_dsa_state
* dsa
= CALLOC_STRUCT(r300_dsa_state
);
689 uint32_t alpha_value_fp16
= 0;
690 uint32_t z_buffer_control
= 0;
691 uint32_t z_stencil_control
= 0;
692 uint32_t stencil_ref_mask
= 0;
693 uint32_t stencil_ref_bf
= 0;
697 /* Depth test setup. - separate write mask depth for decomp flush */
698 if (state
->depth
.writemask
) {
699 z_buffer_control
|= R300_Z_WRITE_ENABLE
;
702 if (state
->depth
.enabled
) {
703 z_buffer_control
|= R300_Z_ENABLE
;
706 (r300_translate_depth_stencil_function(state
->depth
.func
) <<
710 /* Stencil buffer setup. */
711 if (state
->stencil
[0].enabled
) {
712 z_buffer_control
|= R300_STENCIL_ENABLE
;
714 (r300_translate_depth_stencil_function(state
->stencil
[0].func
) <<
715 R300_S_FRONT_FUNC_SHIFT
) |
716 (r300_translate_stencil_op(state
->stencil
[0].fail_op
) <<
717 R300_S_FRONT_SFAIL_OP_SHIFT
) |
718 (r300_translate_stencil_op(state
->stencil
[0].zpass_op
) <<
719 R300_S_FRONT_ZPASS_OP_SHIFT
) |
720 (r300_translate_stencil_op(state
->stencil
[0].zfail_op
) <<
721 R300_S_FRONT_ZFAIL_OP_SHIFT
);
724 (state
->stencil
[0].valuemask
<< R300_STENCILMASK_SHIFT
) |
725 (state
->stencil
[0].writemask
<< R300_STENCILWRITEMASK_SHIFT
);
727 if (state
->stencil
[1].enabled
) {
728 dsa
->two_sided
= TRUE
;
730 z_buffer_control
|= R300_STENCIL_FRONT_BACK
;
732 (r300_translate_depth_stencil_function(state
->stencil
[1].func
) <<
733 R300_S_BACK_FUNC_SHIFT
) |
734 (r300_translate_stencil_op(state
->stencil
[1].fail_op
) <<
735 R300_S_BACK_SFAIL_OP_SHIFT
) |
736 (r300_translate_stencil_op(state
->stencil
[1].zpass_op
) <<
737 R300_S_BACK_ZPASS_OP_SHIFT
) |
738 (r300_translate_stencil_op(state
->stencil
[1].zfail_op
) <<
739 R300_S_BACK_ZFAIL_OP_SHIFT
);
742 (state
->stencil
[1].valuemask
<< R300_STENCILMASK_SHIFT
) |
743 (state
->stencil
[1].writemask
<< R300_STENCILWRITEMASK_SHIFT
);
746 z_buffer_control
|= R500_STENCIL_REFMASK_FRONT_BACK
;
748 dsa
->two_sided_stencil_ref
=
749 (state
->stencil
[0].valuemask
!= state
->stencil
[1].valuemask
||
750 state
->stencil
[0].writemask
!= state
->stencil
[1].writemask
);
755 /* Alpha test setup. */
756 if (state
->alpha
.enabled
) {
757 dsa
->alpha_function
=
758 r300_translate_alpha_function(state
->alpha
.func
) |
759 R300_FG_ALPHA_FUNC_ENABLE
;
761 dsa
->alpha_function
|= float_to_ubyte(state
->alpha
.ref_value
);
762 alpha_value_fp16
= util_float_to_half(state
->alpha
.ref_value
);
765 BEGIN_CB(&dsa
->cb_begin
, 8);
766 OUT_CB_REG_SEQ(R300_ZB_CNTL
, 3);
767 OUT_CB(z_buffer_control
);
768 OUT_CB(z_stencil_control
);
769 OUT_CB(stencil_ref_mask
);
770 OUT_CB_REG(R500_ZB_STENCILREFMASK_BF
, stencil_ref_bf
);
771 OUT_CB_REG(R500_FG_ALPHA_VALUE
, alpha_value_fp16
);
774 BEGIN_CB(dsa
->cb_zb_no_readwrite
, 8);
775 OUT_CB_REG_SEQ(R300_ZB_CNTL
, 3);
779 OUT_CB_REG(R500_ZB_STENCILREFMASK_BF
, 0);
780 OUT_CB_REG(R500_FG_ALPHA_VALUE
, alpha_value_fp16
);
786 static void r300_dsa_inject_stencilref(struct r300_context
*r300
)
788 struct r300_dsa_state
*dsa
=
789 (struct r300_dsa_state
*)r300
->dsa_state
.state
;
794 dsa
->stencil_ref_mask
=
795 (dsa
->stencil_ref_mask
& ~R300_STENCILREF_MASK
) |
796 r300
->stencil_ref
.ref_value
[0];
797 dsa
->stencil_ref_bf
=
798 (dsa
->stencil_ref_bf
& ~R300_STENCILREF_MASK
) |
799 r300
->stencil_ref
.ref_value
[1];
802 /* Bind DSA state. */
803 static void r300_bind_dsa_state(struct pipe_context
* pipe
,
806 struct r300_context
* r300
= r300_context(pipe
);
812 UPDATE_STATE(state
, r300
->dsa_state
);
814 r300_mark_atom_dirty(r300
, &r300
->hyperz_state
); /* Will be updated before the emission. */
815 r300_dsa_inject_stencilref(r300
);
818 /* Free DSA state. */
819 static void r300_delete_dsa_state(struct pipe_context
* pipe
,
825 static void r300_set_stencil_ref(struct pipe_context
* pipe
,
826 const struct pipe_stencil_ref
* sr
)
828 struct r300_context
* r300
= r300_context(pipe
);
830 r300
->stencil_ref
= *sr
;
832 r300_dsa_inject_stencilref(r300
);
833 r300_mark_atom_dirty(r300
, &r300
->dsa_state
);
836 static void r300_tex_set_tiling_flags(struct r300_context
*r300
,
837 struct r300_resource
*tex
,
840 /* Check if the macrotile flag needs to be changed.
841 * Skip changing the flags otherwise. */
842 if (tex
->tex
.macrotile
[tex
->surface_level
] !=
843 tex
->tex
.macrotile
[level
]) {
844 r300
->rws
->buffer_set_tiling(tex
->buf
, r300
->cs
,
845 tex
->tex
.microtile
, tex
->tex
.macrotile
[level
],
847 tex
->tex
.stride_in_bytes
[0]);
849 tex
->surface_level
= level
;
853 /* This switcheroo is needed just because of goddamned MACRO_SWITCH. */
854 static void r300_fb_set_tiling_flags(struct r300_context
*r300
,
855 const struct pipe_framebuffer_state
*state
)
859 /* Set tiling flags for new surfaces. */
860 for (i
= 0; i
< state
->nr_cbufs
; i
++) {
861 r300_tex_set_tiling_flags(r300
,
862 r300_resource(state
->cbufs
[i
]->texture
),
863 state
->cbufs
[i
]->u
.tex
.level
);
866 r300_tex_set_tiling_flags(r300
,
867 r300_resource(state
->zsbuf
->texture
),
868 state
->zsbuf
->u
.tex
.level
);
872 static void r300_print_fb_surf_info(struct pipe_surface
*surf
, unsigned index
,
875 struct pipe_resource
*tex
= surf
->texture
;
876 struct r300_resource
*rtex
= r300_resource(tex
);
879 "r300: %s[%i] Dim: %ix%i, Firstlayer: %i, "
880 "Lastlayer: %i, Level: %i, Format: %s\n"
882 "r300: TEX: Macro: %s, Micro: %s, "
883 "Dim: %ix%ix%i, LastLevel: %i, Format: %s\n",
885 binding
, index
, surf
->width
, surf
->height
,
886 surf
->u
.tex
.first_layer
, surf
->u
.tex
.last_layer
, surf
->u
.tex
.level
,
887 util_format_short_name(surf
->format
),
889 rtex
->tex
.macrotile
[0] ? "YES" : " NO",
890 rtex
->tex
.microtile
? "YES" : " NO",
891 tex
->width0
, tex
->height0
, tex
->depth0
,
892 tex
->last_level
, util_format_short_name(surf
->format
));
895 void r300_mark_fb_state_dirty(struct r300_context
*r300
,
896 enum r300_fb_state_change change
)
898 struct pipe_framebuffer_state
*state
= r300
->fb_state
.state
;
900 r300_mark_atom_dirty(r300
, &r300
->gpu_flush
);
901 r300_mark_atom_dirty(r300
, &r300
->fb_state
);
903 /* What is marked as dirty depends on the enum r300_fb_state_change. */
904 if (change
== R300_CHANGED_FB_STATE
) {
905 r300_mark_atom_dirty(r300
, &r300
->aa_state
);
906 r300_mark_atom_dirty(r300
, &r300
->dsa_state
); /* for AlphaRef */
907 r300_set_blend_color(&r300
->context
, r300
->blend_color_state
.state
);
910 if (change
== R300_CHANGED_FB_STATE
||
911 change
== R300_CHANGED_HYPERZ_FLAG
) {
912 r300_mark_atom_dirty(r300
, &r300
->hyperz_state
);
915 if (change
== R300_CHANGED_FB_STATE
||
916 change
== R300_CHANGED_MULTIWRITE
) {
917 r300_mark_atom_dirty(r300
, &r300
->fb_state_pipelined
);
920 /* Now compute the fb_state atom size. */
921 r300
->fb_state
.size
= 2 + (8 * state
->nr_cbufs
);
923 if (r300
->cbzb_clear
)
924 r300
->fb_state
.size
+= 10;
925 else if (state
->zsbuf
) {
926 r300
->fb_state
.size
+= 10;
927 if (r300
->hyperz_enabled
)
928 r300
->fb_state
.size
+= 8;
931 if (r300
->cmask_in_use
) {
932 r300
->fb_state
.size
+= 6;
933 if (r300
->screen
->caps
.is_r500
&& r300
->screen
->info
.drm_minor
>= 29) {
934 r300
->fb_state
.size
+= 3;
938 /* The size of the rest of atoms stays the same. */
941 static unsigned r300_get_num_samples(struct r300_context
*r300
)
943 struct pipe_framebuffer_state
* fb
=
944 (struct pipe_framebuffer_state
*)r300
->fb_state
.state
;
945 unsigned i
, num_samples
;
947 if (!fb
->nr_cbufs
&& !fb
->zsbuf
)
952 for (i
= 0; i
< fb
->nr_cbufs
; i
++)
953 num_samples
= MIN2(num_samples
, fb
->cbufs
[i
]->texture
->nr_samples
);
956 num_samples
= MIN2(num_samples
, fb
->zsbuf
->texture
->nr_samples
);
965 r300_set_framebuffer_state(struct pipe_context
* pipe
,
966 const struct pipe_framebuffer_state
* state
)
968 struct r300_context
* r300
= r300_context(pipe
);
969 struct r300_aa_state
*aa
= (struct r300_aa_state
*)r300
->aa_state
.state
;
970 struct pipe_framebuffer_state
*old_state
= r300
->fb_state
.state
;
971 unsigned max_width
, max_height
, i
;
972 uint32_t zbuffer_bpp
= 0;
973 boolean unlock_zbuffer
= FALSE
;
975 if (r300
->screen
->caps
.is_r500
) {
976 max_width
= max_height
= 4096;
977 } else if (r300
->screen
->caps
.is_r400
) {
978 max_width
= max_height
= 4021;
980 max_width
= max_height
= 2560;
983 if (state
->width
> max_width
|| state
->height
> max_height
) {
984 fprintf(stderr
, "r300: Implementation error: Render targets are too "
985 "big in %s, refusing to bind framebuffer state!\n", __FUNCTION__
);
989 if (old_state
->zsbuf
&& r300
->zmask_in_use
&& !r300
->locked_zbuffer
) {
990 /* There is a zmask in use, what are we gonna do? */
992 if (!pipe_surface_equal(old_state
->zsbuf
, state
->zsbuf
)) {
993 /* Decompress the currently bound zbuffer before we bind another one. */
994 r300_decompress_zmask(r300
);
995 r300
->hiz_in_use
= FALSE
;
998 /* We don't bind another zbuffer, so lock the current one. */
999 pipe_surface_reference(&r300
->locked_zbuffer
, old_state
->zsbuf
);
1001 } else if (r300
->locked_zbuffer
) {
1002 /* We have a locked zbuffer now, what are we gonna do? */
1004 if (!pipe_surface_equal(r300
->locked_zbuffer
, state
->zsbuf
)) {
1005 /* We are binding some other zbuffer, so decompress the locked one,
1006 * it gets unlocked automatically. */
1007 r300_decompress_zmask_locked_unsafe(r300
);
1008 r300
->hiz_in_use
= FALSE
;
1010 /* We are binding the locked zbuffer again, so unlock it. */
1011 unlock_zbuffer
= TRUE
;
1015 assert(state
->zsbuf
|| (r300
->locked_zbuffer
&& !unlock_zbuffer
) || !r300
->zmask_in_use
);
1017 /* Set whether CMASK can be used. */
1018 r300
->cmask_in_use
=
1019 state
->nr_cbufs
== 1 &&
1020 r300
->screen
->cmask_resource
== state
->cbufs
[0]->texture
;
1022 /* Need to reset clamping or colormask. */
1023 r300_mark_atom_dirty(r300
, &r300
->blend_state
);
1025 /* Re-swizzle the blend color. */
1026 r300_set_blend_color(pipe
, &((struct r300_blend_color_state
*)r300
->blend_color_state
.state
)->state
);
1028 /* If zsbuf is set from NULL to non-NULL or vice versa.. */
1029 if (!!old_state
->zsbuf
!= !!state
->zsbuf
) {
1030 r300_mark_atom_dirty(r300
, &r300
->dsa_state
);
1033 if (r300
->screen
->info
.drm_minor
< 12) {
1034 /* The tiling flags are dependent on the surface miplevel, unfortunately.
1035 * This workarounds a bad design decision in old kernels which were
1036 * rewriting tile fields in registers. */
1037 r300_fb_set_tiling_flags(r300
, state
);
1040 util_copy_framebuffer_state(r300
->fb_state
.state
, state
);
1042 if (unlock_zbuffer
) {
1043 pipe_surface_reference(&r300
->locked_zbuffer
, NULL
);
1046 r300_mark_fb_state_dirty(r300
, R300_CHANGED_FB_STATE
);
1049 switch (util_format_get_blocksize(state
->zsbuf
->format
)) {
1058 /* Polygon offset depends on the zbuffer bit depth. */
1059 if (r300
->zbuffer_bpp
!= zbuffer_bpp
) {
1060 r300
->zbuffer_bpp
= zbuffer_bpp
;
1062 if (r300
->polygon_offset_enabled
)
1063 r300_mark_atom_dirty(r300
, &r300
->rs_state
);
1067 r300
->num_samples
= r300_get_num_samples(r300
);
1069 /* Set up AA config. */
1070 if (r300
->num_samples
> 1) {
1071 switch (r300
->num_samples
) {
1073 aa
->aa_config
= R300_GB_AA_CONFIG_AA_ENABLE
|
1074 R300_GB_AA_CONFIG_NUM_AA_SUBSAMPLES_2
;
1077 aa
->aa_config
= R300_GB_AA_CONFIG_AA_ENABLE
|
1078 R300_GB_AA_CONFIG_NUM_AA_SUBSAMPLES_4
;
1081 aa
->aa_config
= R300_GB_AA_CONFIG_AA_ENABLE
|
1082 R300_GB_AA_CONFIG_NUM_AA_SUBSAMPLES_6
;
1089 if (DBG_ON(r300
, DBG_FB
)) {
1090 fprintf(stderr
, "r300: set_framebuffer_state:\n");
1091 for (i
= 0; i
< state
->nr_cbufs
; i
++) {
1092 r300_print_fb_surf_info(state
->cbufs
[i
], i
, "CB");
1095 r300_print_fb_surf_info(state
->zsbuf
, 0, "ZB");
1100 /* Create fragment shader state. */
1101 static void* r300_create_fs_state(struct pipe_context
* pipe
,
1102 const struct pipe_shader_state
* shader
)
1104 struct r300_fragment_shader
* fs
= NULL
;
1106 fs
= (struct r300_fragment_shader
*)CALLOC_STRUCT(r300_fragment_shader
);
1108 /* Copy state directly into shader. */
1109 fs
->state
= *shader
;
1110 fs
->state
.tokens
= tgsi_dup_tokens(shader
->tokens
);
1115 void r300_mark_fs_code_dirty(struct r300_context
*r300
)
1117 struct r300_fragment_shader
* fs
= r300_fs(r300
);
1119 r300_mark_atom_dirty(r300
, &r300
->fs
);
1120 r300_mark_atom_dirty(r300
, &r300
->fs_rc_constant_state
);
1121 r300_mark_atom_dirty(r300
, &r300
->fs_constants
);
1122 r300
->fs
.size
= fs
->shader
->cb_code_size
;
1124 if (r300
->screen
->caps
.is_r500
) {
1125 r300
->fs_rc_constant_state
.size
= fs
->shader
->rc_state_count
* 7;
1126 r300
->fs_constants
.size
= fs
->shader
->externals_count
* 4 + 3;
1128 r300
->fs_rc_constant_state
.size
= fs
->shader
->rc_state_count
* 5;
1129 r300
->fs_constants
.size
= fs
->shader
->externals_count
* 4 + 1;
1132 ((struct r300_constant_buffer
*)r300
->fs_constants
.state
)->remap_table
=
1133 fs
->shader
->code
.constants_remap_table
;
1136 /* Bind fragment shader state. */
1137 static void r300_bind_fs_state(struct pipe_context
* pipe
, void* shader
)
1139 struct r300_context
* r300
= r300_context(pipe
);
1140 struct r300_fragment_shader
* fs
= (struct r300_fragment_shader
*)shader
;
1143 r300
->fs
.state
= NULL
;
1147 r300
->fs
.state
= fs
;
1148 r300
->fs_status
= FRAGMENT_SHADER_DIRTY
;
1150 r300_mark_atom_dirty(r300
, &r300
->rs_block_state
); /* Will be updated before the emission. */
1153 /* Delete fragment shader state. */
1154 static void r300_delete_fs_state(struct pipe_context
* pipe
, void* shader
)
1156 struct r300_fragment_shader
* fs
= (struct r300_fragment_shader
*)shader
;
1157 struct r300_fragment_shader_code
*tmp
, *ptr
= fs
->first
;
1162 rc_constants_destroy(&tmp
->code
.constants
);
1166 FREE((void*)fs
->state
.tokens
);
1170 static void r300_set_polygon_stipple(struct pipe_context
* pipe
,
1171 const struct pipe_poly_stipple
* state
)
1173 /* XXX no idea how to set this up, but not terribly important */
1176 /* Create a new rasterizer state based on the CSO rasterizer state.
1178 * This is a very large chunk of state, and covers most of the graphics
1179 * backend (GB), geometry assembly (GA), and setup unit (SU) blocks.
1181 * In a not entirely unironic sidenote, this state has nearly nothing to do
1182 * with the actual block on the Radeon called the rasterizer (RS). */
1183 static void* r300_create_rs_state(struct pipe_context
* pipe
,
1184 const struct pipe_rasterizer_state
* state
)
1186 struct r300_rs_state
* rs
= CALLOC_STRUCT(r300_rs_state
);
1187 uint32_t vap_control_status
; /* R300_VAP_CNTL_STATUS: 0x2140 */
1188 uint32_t vap_clip_cntl
; /* R300_VAP_CLIP_CNTL: 0x221C */
1189 uint32_t point_size
; /* R300_GA_POINT_SIZE: 0x421c */
1190 uint32_t point_minmax
; /* R300_GA_POINT_MINMAX: 0x4230 */
1191 uint32_t line_control
; /* R300_GA_LINE_CNTL: 0x4234 */
1192 uint32_t polygon_offset_enable
; /* R300_SU_POLY_OFFSET_ENABLE: 0x42b4 */
1193 uint32_t cull_mode
; /* R300_SU_CULL_MODE: 0x42b8 */
1194 uint32_t line_stipple_config
; /* R300_GA_LINE_STIPPLE_CONFIG: 0x4328 */
1195 uint32_t line_stipple_value
; /* R300_GA_LINE_STIPPLE_VALUE: 0x4260 */
1196 uint32_t polygon_mode
; /* R300_GA_POLY_MODE: 0x4288 */
1197 uint32_t clip_rule
; /* R300_SC_CLIP_RULE: 0x43D0 */
1198 uint32_t round_mode
; /* R300_GA_ROUND_MODE: 0x428c */
1200 /* Point sprites texture coordinates, 0: lower left, 1: upper right */
1201 float point_texcoord_left
= 0; /* R300_GA_POINT_S0: 0x4200 */
1202 float point_texcoord_bottom
= 0;/* R300_GA_POINT_T0: 0x4204 */
1203 float point_texcoord_right
= 1; /* R300_GA_POINT_S1: 0x4208 */
1204 float point_texcoord_top
= 0; /* R300_GA_POINT_T1: 0x420c */
1205 boolean vclamp
= !r300_context(pipe
)->screen
->caps
.is_r500
;
1208 /* Copy rasterizer state. */
1210 rs
->rs_draw
= *state
;
1212 rs
->rs
.sprite_coord_enable
= state
->point_quad_rasterization
*
1213 state
->sprite_coord_enable
;
1215 /* Override some states for Draw. */
1216 rs
->rs_draw
.sprite_coord_enable
= 0; /* We can do this in HW. */
1217 rs
->rs_draw
.offset_point
= 0;
1218 rs
->rs_draw
.offset_line
= 0;
1219 rs
->rs_draw
.offset_tri
= 0;
1220 rs
->rs_draw
.offset_clamp
= 0;
1222 #ifdef PIPE_ARCH_LITTLE_ENDIAN
1223 vap_control_status
= R300_VC_NO_SWAP
;
1225 vap_control_status
= R300_VC_32BIT_SWAP
;
1228 /* If no TCL engine is present, turn off the HW TCL. */
1229 if (!r300_screen(pipe
->screen
)->caps
.has_tcl
) {
1230 vap_control_status
|= R300_VAP_TCL_BYPASS
;
1233 /* Point size width and height. */
1235 pack_float_16_6x(state
->point_size
) |
1236 (pack_float_16_6x(state
->point_size
) << R300_POINTSIZE_X_SHIFT
);
1238 /* Point size clamping. */
1239 if (state
->point_size_per_vertex
) {
1240 /* Per-vertex point size.
1241 * Clamp to [0, max FB size] */
1242 float min_psiz
= util_get_min_point_size(state
);
1243 float max_psiz
= pipe
->screen
->get_paramf(pipe
->screen
,
1244 PIPE_CAPF_MAX_POINT_WIDTH
);
1246 (pack_float_16_6x(min_psiz
) << R300_GA_POINT_MINMAX_MIN_SHIFT
) |
1247 (pack_float_16_6x(max_psiz
) << R300_GA_POINT_MINMAX_MAX_SHIFT
);
1249 /* We cannot disable the point-size vertex output,
1251 float psiz
= state
->point_size
;
1253 (pack_float_16_6x(psiz
) << R300_GA_POINT_MINMAX_MIN_SHIFT
) |
1254 (pack_float_16_6x(psiz
) << R300_GA_POINT_MINMAX_MAX_SHIFT
);
1258 line_control
= pack_float_16_6x(state
->line_width
) |
1259 R300_GA_LINE_CNTL_END_TYPE_COMP
;
1261 /* Enable polygon mode */
1263 if (state
->fill_front
!= PIPE_POLYGON_MODE_FILL
||
1264 state
->fill_back
!= PIPE_POLYGON_MODE_FILL
) {
1265 polygon_mode
= R300_GA_POLY_MODE_DUAL
;
1269 if (state
->front_ccw
)
1270 cull_mode
= R300_FRONT_FACE_CCW
;
1272 cull_mode
= R300_FRONT_FACE_CW
;
1274 /* Polygon offset */
1275 polygon_offset_enable
= 0;
1276 if (util_get_offset(state
, state
->fill_front
)) {
1277 polygon_offset_enable
|= R300_FRONT_ENABLE
;
1279 if (util_get_offset(state
, state
->fill_back
)) {
1280 polygon_offset_enable
|= R300_BACK_ENABLE
;
1283 rs
->polygon_offset_enable
= polygon_offset_enable
!= 0;
1288 r300_translate_polygon_mode_front(state
->fill_front
);
1290 r300_translate_polygon_mode_back(state
->fill_back
);
1293 if (state
->cull_face
& PIPE_FACE_FRONT
) {
1294 cull_mode
|= R300_CULL_FRONT
;
1296 if (state
->cull_face
& PIPE_FACE_BACK
) {
1297 cull_mode
|= R300_CULL_BACK
;
1300 if (state
->line_stipple_enable
) {
1301 line_stipple_config
=
1302 R300_GA_LINE_STIPPLE_CONFIG_LINE_RESET_LINE
|
1303 (fui((float)state
->line_stipple_factor
) &
1304 R300_GA_LINE_STIPPLE_CONFIG_STIPPLE_SCALE_MASK
);
1305 /* XXX this might need to be scaled up */
1306 line_stipple_value
= state
->line_stipple_pattern
;
1308 line_stipple_config
= 0;
1309 line_stipple_value
= 0;
1312 if (state
->flatshade
) {
1313 rs
->color_control
= R300_SHADE_MODEL_FLAT
;
1315 rs
->color_control
= R300_SHADE_MODEL_SMOOTH
;
1318 clip_rule
= state
->scissor
? 0xAAAA : 0xFFFF;
1320 /* Point sprites coord mode */
1321 if (rs
->rs
.sprite_coord_enable
) {
1322 switch (state
->sprite_coord_mode
) {
1323 case PIPE_SPRITE_COORD_UPPER_LEFT
:
1324 point_texcoord_top
= 0.0f
;
1325 point_texcoord_bottom
= 1.0f
;
1327 case PIPE_SPRITE_COORD_LOWER_LEFT
:
1328 point_texcoord_top
= 1.0f
;
1329 point_texcoord_bottom
= 0.0f
;
1334 if (r300_screen(pipe
->screen
)->caps
.has_tcl
) {
1335 vap_clip_cntl
= (state
->clip_plane_enable
& 63) |
1336 R300_PS_UCP_MODE_CLIP_AS_TRIFAN
|
1337 (state
->depth_clip
? 0 : R300_CLIP_DISABLE
);
1339 vap_clip_cntl
= R300_CLIP_DISABLE
;
1342 /* Vertex color clamping. FP20 means no clamping. */
1344 R300_GA_ROUND_MODE_GEOMETRY_ROUND_NEAREST
|
1345 (!vclamp
? (R300_GA_ROUND_MODE_RGB_CLAMP_FP20
|
1346 R300_GA_ROUND_MODE_ALPHA_CLAMP_FP20
) : 0);
1348 /* Build the main command buffer. */
1349 BEGIN_CB(rs
->cb_main
, RS_STATE_MAIN_SIZE
);
1350 OUT_CB_REG(R300_VAP_CNTL_STATUS
, vap_control_status
);
1351 OUT_CB_REG(R300_VAP_CLIP_CNTL
, vap_clip_cntl
);
1352 OUT_CB_REG(R300_GA_POINT_SIZE
, point_size
);
1353 OUT_CB_REG_SEQ(R300_GA_POINT_MINMAX
, 2);
1354 OUT_CB(point_minmax
);
1355 OUT_CB(line_control
);
1356 OUT_CB_REG_SEQ(R300_SU_POLY_OFFSET_ENABLE
, 2);
1357 OUT_CB(polygon_offset_enable
);
1358 rs
->cull_mode_index
= 11;
1360 OUT_CB_REG(R300_GA_LINE_STIPPLE_CONFIG
, line_stipple_config
);
1361 OUT_CB_REG(R300_GA_LINE_STIPPLE_VALUE
, line_stipple_value
);
1362 OUT_CB_REG(R300_GA_POLY_MODE
, polygon_mode
);
1363 OUT_CB_REG(R300_GA_ROUND_MODE
, round_mode
);
1364 OUT_CB_REG(R300_SC_CLIP_RULE
, clip_rule
);
1365 OUT_CB_REG_SEQ(R300_GA_POINT_S0
, 4);
1366 OUT_CB_32F(point_texcoord_left
);
1367 OUT_CB_32F(point_texcoord_bottom
);
1368 OUT_CB_32F(point_texcoord_right
);
1369 OUT_CB_32F(point_texcoord_top
);
1372 /* Build the two command buffers for polygon offset setup. */
1373 if (polygon_offset_enable
) {
1374 float scale
= state
->offset_scale
* 12;
1375 float offset
= state
->offset_units
* 4;
1377 BEGIN_CB(rs
->cb_poly_offset_zb16
, 5);
1378 OUT_CB_REG_SEQ(R300_SU_POLY_OFFSET_FRONT_SCALE
, 4);
1385 offset
= state
->offset_units
* 2;
1387 BEGIN_CB(rs
->cb_poly_offset_zb24
, 5);
1388 OUT_CB_REG_SEQ(R300_SU_POLY_OFFSET_FRONT_SCALE
, 4);
1399 /* Bind rasterizer state. */
1400 static void r300_bind_rs_state(struct pipe_context
* pipe
, void* state
)
1402 struct r300_context
* r300
= r300_context(pipe
);
1403 struct r300_rs_state
* rs
= (struct r300_rs_state
*)state
;
1404 int last_sprite_coord_enable
= r300
->sprite_coord_enable
;
1405 boolean last_two_sided_color
= r300
->two_sided_color
;
1406 boolean last_msaa_enable
= r300
->msaa_enable
;
1407 boolean last_flatshade
= r300
->flatshade
;
1409 if (r300
->draw
&& rs
) {
1410 draw_set_rasterizer_state(r300
->draw
, &rs
->rs_draw
, state
);
1414 r300
->polygon_offset_enabled
= rs
->polygon_offset_enable
;
1415 r300
->sprite_coord_enable
= rs
->rs
.sprite_coord_enable
;
1416 r300
->two_sided_color
= rs
->rs
.light_twoside
;
1417 r300
->msaa_enable
= rs
->rs
.multisample
;
1418 r300
->flatshade
= rs
->rs
.flatshade
;
1420 r300
->polygon_offset_enabled
= FALSE
;
1421 r300
->sprite_coord_enable
= 0;
1422 r300
->two_sided_color
= FALSE
;
1423 r300
->msaa_enable
= FALSE
;
1424 r300
->flatshade
= FALSE
;
1427 UPDATE_STATE(state
, r300
->rs_state
);
1428 r300
->rs_state
.size
= RS_STATE_MAIN_SIZE
+ (r300
->polygon_offset_enabled
? 5 : 0);
1430 if (last_sprite_coord_enable
!= r300
->sprite_coord_enable
||
1431 last_two_sided_color
!= r300
->two_sided_color
||
1432 last_flatshade
!= r300
->flatshade
) {
1433 r300_mark_atom_dirty(r300
, &r300
->rs_block_state
);
1436 if (last_msaa_enable
!= r300
->msaa_enable
) {
1437 if (r300
->alpha_to_coverage
) {
1438 r300_mark_atom_dirty(r300
, &r300
->dsa_state
);
1441 if (r300
->alpha_to_one
&&
1442 r300
->fs_status
== FRAGMENT_SHADER_VALID
) {
1443 r300
->fs_status
= FRAGMENT_SHADER_MAYBE_DIRTY
;
1448 /* Free rasterizer state. */
1449 static void r300_delete_rs_state(struct pipe_context
* pipe
, void* state
)
1455 r300_create_sampler_state(struct pipe_context
* pipe
,
1456 const struct pipe_sampler_state
* state
)
1458 struct r300_context
* r300
= r300_context(pipe
);
1459 struct r300_sampler_state
* sampler
= CALLOC_STRUCT(r300_sampler_state
);
1460 boolean is_r500
= r300
->screen
->caps
.is_r500
;
1463 sampler
->state
= *state
;
1465 /* r300 doesn't handle CLAMP and MIRROR_CLAMP correctly when either MAG
1466 * or MIN filter is NEAREST. Since texwrap produces same results
1467 * for CLAMP and CLAMP_TO_EDGE, we use them instead. */
1468 if (sampler
->state
.min_img_filter
== PIPE_TEX_FILTER_NEAREST
||
1469 sampler
->state
.mag_img_filter
== PIPE_TEX_FILTER_NEAREST
) {
1471 if (sampler
->state
.wrap_s
== PIPE_TEX_WRAP_CLAMP
)
1472 sampler
->state
.wrap_s
= PIPE_TEX_WRAP_CLAMP_TO_EDGE
;
1473 else if (sampler
->state
.wrap_s
== PIPE_TEX_WRAP_MIRROR_CLAMP
)
1474 sampler
->state
.wrap_s
= PIPE_TEX_WRAP_MIRROR_CLAMP_TO_EDGE
;
1477 if (sampler
->state
.wrap_t
== PIPE_TEX_WRAP_CLAMP
)
1478 sampler
->state
.wrap_t
= PIPE_TEX_WRAP_CLAMP_TO_EDGE
;
1479 else if (sampler
->state
.wrap_t
== PIPE_TEX_WRAP_MIRROR_CLAMP
)
1480 sampler
->state
.wrap_t
= PIPE_TEX_WRAP_MIRROR_CLAMP_TO_EDGE
;
1483 if (sampler
->state
.wrap_r
== PIPE_TEX_WRAP_CLAMP
)
1484 sampler
->state
.wrap_r
= PIPE_TEX_WRAP_CLAMP_TO_EDGE
;
1485 else if (sampler
->state
.wrap_r
== PIPE_TEX_WRAP_MIRROR_CLAMP
)
1486 sampler
->state
.wrap_r
= PIPE_TEX_WRAP_MIRROR_CLAMP_TO_EDGE
;
1490 (r300_translate_wrap(sampler
->state
.wrap_s
) << R300_TX_WRAP_S_SHIFT
) |
1491 (r300_translate_wrap(sampler
->state
.wrap_t
) << R300_TX_WRAP_T_SHIFT
) |
1492 (r300_translate_wrap(sampler
->state
.wrap_r
) << R300_TX_WRAP_R_SHIFT
);
1494 sampler
->filter0
|= r300_translate_tex_filters(state
->min_img_filter
,
1495 state
->mag_img_filter
,
1496 state
->min_mip_filter
,
1497 state
->max_anisotropy
> 1);
1499 sampler
->filter0
|= r300_anisotropy(state
->max_anisotropy
);
1501 /* Unfortunately, r300-r500 don't support floating-point mipmap lods. */
1502 /* We must pass these to the merge function to clamp them properly. */
1503 sampler
->min_lod
= (unsigned)MAX2(state
->min_lod
, 0);
1504 sampler
->max_lod
= (unsigned)MAX2(ceilf(state
->max_lod
), 0);
1506 lod_bias
= CLAMP((int)(state
->lod_bias
* 32 + 1), -(1 << 9), (1 << 9) - 1);
1508 sampler
->filter1
|= (lod_bias
<< R300_LOD_BIAS_SHIFT
) & R300_LOD_BIAS_MASK
;
1510 /* This is very high quality anisotropic filtering for R5xx.
1511 * It's good for benchmarking the performance of texturing but
1512 * in practice we don't want to slow down the driver because it's
1513 * a pretty good performance killer. Feel free to play with it. */
1514 if (DBG_ON(r300
, DBG_ANISOHQ
) && is_r500
) {
1515 sampler
->filter1
|= r500_anisotropy(state
->max_anisotropy
);
1518 /* R500-specific fixups and optimizations */
1519 if (r300
->screen
->caps
.is_r500
) {
1520 sampler
->filter1
|= R500_BORDER_FIX
;
1523 return (void*)sampler
;
1526 static void r300_bind_sampler_states(struct pipe_context
* pipe
,
1530 struct r300_context
* r300
= r300_context(pipe
);
1531 struct r300_textures_state
* state
=
1532 (struct r300_textures_state
*)r300
->textures_state
.state
;
1533 unsigned tex_units
= r300
->screen
->caps
.num_tex_units
;
1535 if (count
> tex_units
) {
1539 memcpy(state
->sampler_states
, states
, sizeof(void*) * count
);
1540 state
->sampler_state_count
= count
;
1542 r300_mark_atom_dirty(r300
, &r300
->textures_state
);
1545 static void r300_lacks_vertex_textures(struct pipe_context
* pipe
,
1551 static void r300_delete_sampler_state(struct pipe_context
* pipe
, void* state
)
1556 static uint32_t r300_assign_texture_cache_region(unsigned index
, unsigned num
)
1558 /* This looks like a hack, but I believe it's suppose to work like
1559 * that. To illustrate how this works, let's assume you have 5 textures.
1560 * From docs, 5 and the successive numbers are:
1568 * First 3 textures will get 3/4 of size of the cache, divived evenly
1569 * between them. The last 1/4 of the cache must be divided between
1570 * the last 2 textures, each will therefore get 1/8 of the cache.
1571 * Why not just to use "5 + texture_index" ?
1573 * This simple trick works for all "num" <= 16.
1576 return R300_TX_CACHE(R300_TX_CACHE_WHOLE
);
1578 return R300_TX_CACHE(num
+ index
);
1581 static void r300_set_fragment_sampler_views(struct pipe_context
* pipe
,
1583 struct pipe_sampler_view
** views
)
1585 struct r300_context
* r300
= r300_context(pipe
);
1586 struct r300_textures_state
* state
=
1587 (struct r300_textures_state
*)r300
->textures_state
.state
;
1588 struct r300_resource
*texture
;
1589 unsigned i
, real_num_views
= 0, view_index
= 0;
1590 unsigned tex_units
= r300
->screen
->caps
.num_tex_units
;
1591 boolean dirty_tex
= FALSE
;
1593 if (count
> tex_units
) {
1597 /* Calculate the real number of views. */
1598 for (i
= 0; i
< count
; i
++) {
1603 for (i
= 0; i
< count
; i
++) {
1604 pipe_sampler_view_reference(
1605 (struct pipe_sampler_view
**)&state
->sampler_views
[i
],
1612 /* A new sampler view (= texture)... */
1615 /* Set the texrect factor in the fragment shader.
1616 * Needed for RECT and NPOT fallback. */
1617 texture
= r300_resource(views
[i
]->texture
);
1618 if (texture
->tex
.is_npot
) {
1619 r300_mark_atom_dirty(r300
, &r300
->fs_rc_constant_state
);
1622 state
->sampler_views
[i
]->texcache_region
=
1623 r300_assign_texture_cache_region(view_index
, real_num_views
);
1627 for (i
= count
; i
< tex_units
; i
++) {
1628 if (state
->sampler_views
[i
]) {
1629 pipe_sampler_view_reference(
1630 (struct pipe_sampler_view
**)&state
->sampler_views
[i
],
1635 state
->sampler_view_count
= count
;
1637 r300_mark_atom_dirty(r300
, &r300
->textures_state
);
1640 r300_mark_atom_dirty(r300
, &r300
->texture_cache_inval
);
1644 struct pipe_sampler_view
*
1645 r300_create_sampler_view_custom(struct pipe_context
*pipe
,
1646 struct pipe_resource
*texture
,
1647 const struct pipe_sampler_view
*templ
,
1648 unsigned width0_override
,
1649 unsigned height0_override
)
1651 struct r300_sampler_view
*view
= CALLOC_STRUCT(r300_sampler_view
);
1652 struct r300_resource
*tex
= r300_resource(texture
);
1653 boolean is_r500
= r300_screen(pipe
->screen
)->caps
.is_r500
;
1654 boolean dxtc_swizzle
= r300_screen(pipe
->screen
)->caps
.dxtc_swizzle
;
1659 view
->base
= *templ
;
1660 view
->base
.reference
.count
= 1;
1661 view
->base
.context
= pipe
;
1662 view
->base
.texture
= NULL
;
1663 pipe_resource_reference(&view
->base
.texture
, texture
);
1665 view
->width0_override
= width0_override
;
1666 view
->height0_override
= height0_override
;
1667 view
->swizzle
[0] = templ
->swizzle_r
;
1668 view
->swizzle
[1] = templ
->swizzle_g
;
1669 view
->swizzle
[2] = templ
->swizzle_b
;
1670 view
->swizzle
[3] = templ
->swizzle_a
;
1672 hwformat
= r300_translate_texformat(templ
->format
,
1677 if (hwformat
== ~0) {
1678 fprintf(stderr
, "r300: Ooops. Got unsupported format %s in %s.\n",
1679 util_format_short_name(templ
->format
), __func__
);
1681 assert(hwformat
!= ~0);
1683 r300_texture_setup_format_state(r300_screen(pipe
->screen
), tex
,
1685 width0_override
, height0_override
,
1687 view
->format
.format1
|= hwformat
;
1689 view
->format
.format2
|= r500_tx_format_msb_bit(templ
->format
);
1693 return (struct pipe_sampler_view
*)view
;
1696 static struct pipe_sampler_view
*
1697 r300_create_sampler_view(struct pipe_context
*pipe
,
1698 struct pipe_resource
*texture
,
1699 const struct pipe_sampler_view
*templ
)
1701 return r300_create_sampler_view_custom(pipe
, texture
, templ
,
1702 r300_resource(texture
)->tex
.width0
,
1703 r300_resource(texture
)->tex
.height0
);
1708 r300_sampler_view_destroy(struct pipe_context
*pipe
,
1709 struct pipe_sampler_view
*view
)
1711 pipe_resource_reference(&view
->texture
, NULL
);
1715 static void r300_set_sample_mask(struct pipe_context
*pipe
,
1718 struct r300_context
* r300
= r300_context(pipe
);
1720 *((unsigned*)r300
->sample_mask
.state
) = mask
;
1722 r300_mark_atom_dirty(r300
, &r300
->sample_mask
);
1725 static void r300_set_scissor_states(struct pipe_context
* pipe
,
1726 unsigned start_slot
,
1727 unsigned num_scissors
,
1728 const struct pipe_scissor_state
* state
)
1730 struct r300_context
* r300
= r300_context(pipe
);
1732 memcpy(r300
->scissor_state
.state
, state
,
1733 sizeof(struct pipe_scissor_state
));
1735 r300_mark_atom_dirty(r300
, &r300
->scissor_state
);
1738 static void r300_set_viewport_states(struct pipe_context
* pipe
,
1739 unsigned start_slot
,
1740 unsigned num_viewports
,
1741 const struct pipe_viewport_state
* state
)
1743 struct r300_context
* r300
= r300_context(pipe
);
1744 struct r300_viewport_state
* viewport
=
1745 (struct r300_viewport_state
*)r300
->viewport_state
.state
;
1747 r300
->viewport
= *state
;
1750 draw_set_viewport_states(r300
->draw
, start_slot
, num_viewports
, state
);
1751 viewport
->vte_control
= R300_VTX_XY_FMT
| R300_VTX_Z_FMT
;
1755 /* Do the transform in HW. */
1756 viewport
->vte_control
= R300_VTX_W0_FMT
;
1758 if (state
->scale
[0] != 1.0f
) {
1759 viewport
->xscale
= state
->scale
[0];
1760 viewport
->vte_control
|= R300_VPORT_X_SCALE_ENA
;
1762 if (state
->scale
[1] != 1.0f
) {
1763 viewport
->yscale
= state
->scale
[1];
1764 viewport
->vte_control
|= R300_VPORT_Y_SCALE_ENA
;
1766 if (state
->scale
[2] != 1.0f
) {
1767 viewport
->zscale
= state
->scale
[2];
1768 viewport
->vte_control
|= R300_VPORT_Z_SCALE_ENA
;
1770 if (state
->translate
[0] != 0.0f
) {
1771 viewport
->xoffset
= state
->translate
[0];
1772 viewport
->vte_control
|= R300_VPORT_X_OFFSET_ENA
;
1774 if (state
->translate
[1] != 0.0f
) {
1775 viewport
->yoffset
= state
->translate
[1];
1776 viewport
->vte_control
|= R300_VPORT_Y_OFFSET_ENA
;
1778 if (state
->translate
[2] != 0.0f
) {
1779 viewport
->zoffset
= state
->translate
[2];
1780 viewport
->vte_control
|= R300_VPORT_Z_OFFSET_ENA
;
1783 r300_mark_atom_dirty(r300
, &r300
->viewport_state
);
1784 if (r300
->fs
.state
&& r300_fs(r300
)->shader
&&
1785 r300_fs(r300
)->shader
->inputs
.wpos
!= ATTR_UNUSED
) {
1786 r300_mark_atom_dirty(r300
, &r300
->fs_rc_constant_state
);
1790 static void r300_set_vertex_buffers_hwtcl(struct pipe_context
* pipe
,
1791 unsigned start_slot
, unsigned count
,
1792 const struct pipe_vertex_buffer
* buffers
)
1794 struct r300_context
* r300
= r300_context(pipe
);
1796 util_set_vertex_buffers_count(r300
->vertex_buffer
,
1797 &r300
->nr_vertex_buffers
,
1798 buffers
, start_slot
, count
);
1800 /* There must be at least one vertex buffer set, otherwise it locks up. */
1801 if (!r300
->nr_vertex_buffers
) {
1802 util_set_vertex_buffers_count(r300
->vertex_buffer
,
1803 &r300
->nr_vertex_buffers
,
1804 &r300
->dummy_vb
, 0, 1);
1807 r300
->vertex_arrays_dirty
= TRUE
;
1810 static void r300_set_vertex_buffers_swtcl(struct pipe_context
* pipe
,
1811 unsigned start_slot
, unsigned count
,
1812 const struct pipe_vertex_buffer
* buffers
)
1814 struct r300_context
* r300
= r300_context(pipe
);
1817 util_set_vertex_buffers_count(r300
->vertex_buffer
,
1818 &r300
->nr_vertex_buffers
,
1819 buffers
, start_slot
, count
);
1820 draw_set_vertex_buffers(r300
->draw
, start_slot
, count
, buffers
);
1825 for (i
= 0; i
< count
; i
++) {
1826 if (buffers
[i
].user_buffer
) {
1827 draw_set_mapped_vertex_buffer(r300
->draw
, start_slot
+ i
,
1828 buffers
[i
].user_buffer
, ~0);
1829 } else if (buffers
[i
].buffer
) {
1830 draw_set_mapped_vertex_buffer(r300
->draw
, start_slot
+ i
,
1831 r300_resource(buffers
[i
].buffer
)->malloced_buffer
, ~0);
1836 static void r300_set_index_buffer_hwtcl(struct pipe_context
* pipe
,
1837 const struct pipe_index_buffer
*ib
)
1839 struct r300_context
* r300
= r300_context(pipe
);
1842 pipe_resource_reference(&r300
->index_buffer
.buffer
, ib
->buffer
);
1843 memcpy(&r300
->index_buffer
, ib
, sizeof(*ib
));
1845 pipe_resource_reference(&r300
->index_buffer
.buffer
, NULL
);
1849 static void r300_set_index_buffer_swtcl(struct pipe_context
* pipe
,
1850 const struct pipe_index_buffer
*ib
)
1852 struct r300_context
* r300
= r300_context(pipe
);
1855 const void *buf
= NULL
;
1856 if (ib
->user_buffer
) {
1857 buf
= ib
->user_buffer
;
1858 } else if (ib
->buffer
) {
1859 buf
= r300_resource(ib
->buffer
)->malloced_buffer
;
1861 draw_set_indexes(r300
->draw
,
1862 (const ubyte
*) buf
+ ib
->offset
,
1863 ib
->index_size
, ~0);
1867 /* Initialize the PSC tables. */
1868 static void r300_vertex_psc(struct r300_vertex_element_state
*velems
)
1870 struct r300_vertex_stream_state
*vstream
= &velems
->vertex_stream
;
1871 uint16_t type
, swizzle
;
1872 enum pipe_format format
;
1875 /* Vertex shaders have no semantics on their inputs,
1876 * so PSC should just route stuff based on the vertex elements,
1877 * and not on attrib information. */
1878 for (i
= 0; i
< velems
->count
; i
++) {
1879 format
= velems
->velem
[i
].src_format
;
1881 type
= r300_translate_vertex_data_type(format
);
1882 if (type
== R300_INVALID_FORMAT
) {
1883 fprintf(stderr
, "r300: Bad vertex format %s.\n",
1884 util_format_short_name(format
));
1889 type
|= i
<< R300_DST_VEC_LOC_SHIFT
;
1890 swizzle
= r300_translate_vertex_data_swizzle(format
);
1893 vstream
->vap_prog_stream_cntl
[i
>> 1] |= type
<< 16;
1894 vstream
->vap_prog_stream_cntl_ext
[i
>> 1] |= swizzle
<< 16;
1896 vstream
->vap_prog_stream_cntl
[i
>> 1] |= type
;
1897 vstream
->vap_prog_stream_cntl_ext
[i
>> 1] |= swizzle
;
1901 /* Set the last vector in the PSC. */
1905 vstream
->vap_prog_stream_cntl
[i
>> 1] |=
1906 (R300_LAST_VEC
<< (i
& 1 ? 16 : 0));
1908 vstream
->count
= (i
>> 1) + 1;
1911 static void* r300_create_vertex_elements_state(struct pipe_context
* pipe
,
1913 const struct pipe_vertex_element
* attribs
)
1915 struct r300_vertex_element_state
*velems
;
1917 struct pipe_vertex_element dummy_attrib
= {0};
1919 /* R300 Programmable Stream Control (PSC) doesn't support 0 vertex elements. */
1921 dummy_attrib
.src_format
= PIPE_FORMAT_R8G8B8A8_UNORM
;
1922 attribs
= &dummy_attrib
;
1924 } else if (count
> 16) {
1925 fprintf(stderr
, "r300: More than 16 vertex elements are not supported,"
1926 " requested %i, using 16.\n", count
);
1930 velems
= CALLOC_STRUCT(r300_vertex_element_state
);
1934 velems
->count
= count
;
1935 memcpy(velems
->velem
, attribs
, sizeof(struct pipe_vertex_element
) * count
);
1937 if (r300_screen(pipe
->screen
)->caps
.has_tcl
) {
1939 * The unused components will be replaced by (..., 0, 1). */
1940 r300_vertex_psc(velems
);
1942 for (i
= 0; i
< count
; i
++) {
1943 velems
->format_size
[i
] =
1944 align(util_format_get_blocksize(velems
->velem
[i
].src_format
), 4);
1945 velems
->vertex_size_dwords
+= velems
->format_size
[i
] / 4;
1952 static void r300_bind_vertex_elements_state(struct pipe_context
*pipe
,
1955 struct r300_context
*r300
= r300_context(pipe
);
1956 struct r300_vertex_element_state
*velems
= state
;
1958 if (velems
== NULL
) {
1962 r300
->velems
= velems
;
1965 draw_set_vertex_elements(r300
->draw
, velems
->count
, velems
->velem
);
1969 UPDATE_STATE(&velems
->vertex_stream
, r300
->vertex_stream_state
);
1970 r300
->vertex_stream_state
.size
= (1 + velems
->vertex_stream
.count
) * 2;
1971 r300
->vertex_arrays_dirty
= TRUE
;
1974 static void r300_delete_vertex_elements_state(struct pipe_context
*pipe
, void *state
)
1979 static void* r300_create_vs_state(struct pipe_context
* pipe
,
1980 const struct pipe_shader_state
* shader
)
1982 struct r300_context
* r300
= r300_context(pipe
);
1983 struct r300_vertex_shader
* vs
= CALLOC_STRUCT(r300_vertex_shader
);
1985 /* Copy state directly into shader. */
1986 vs
->state
= *shader
;
1987 vs
->state
.tokens
= tgsi_dup_tokens(shader
->tokens
);
1989 if (r300
->screen
->caps
.has_tcl
) {
1990 r300_init_vs_outputs(r300
, vs
);
1991 r300_translate_vertex_shader(r300
, vs
);
1993 r300_draw_init_vertex_shader(r300
, vs
);
1999 static void r300_bind_vs_state(struct pipe_context
* pipe
, void* shader
)
2001 struct r300_context
* r300
= r300_context(pipe
);
2002 struct r300_vertex_shader
* vs
= (struct r300_vertex_shader
*)shader
;
2005 r300
->vs_state
.state
= NULL
;
2008 if (vs
== r300
->vs_state
.state
) {
2011 r300
->vs_state
.state
= vs
;
2013 /* The majority of the RS block bits is dependent on the vertex shader. */
2014 r300_mark_atom_dirty(r300
, &r300
->rs_block_state
); /* Will be updated before the emission. */
2016 if (r300
->screen
->caps
.has_tcl
) {
2017 unsigned fc_op_dwords
= r300
->screen
->caps
.is_r500
? 3 : 2;
2018 r300_mark_atom_dirty(r300
, &r300
->vs_state
);
2019 r300
->vs_state
.size
= vs
->code
.length
+ 9 +
2020 (R300_VS_MAX_FC_OPS
* fc_op_dwords
+ 4);
2022 r300_mark_atom_dirty(r300
, &r300
->vs_constants
);
2023 r300
->vs_constants
.size
=
2025 (vs
->externals_count
? vs
->externals_count
* 4 + 3 : 0) +
2026 (vs
->immediates_count
? vs
->immediates_count
* 4 + 3 : 0);
2028 ((struct r300_constant_buffer
*)r300
->vs_constants
.state
)->remap_table
=
2029 vs
->code
.constants_remap_table
;
2031 r300_mark_atom_dirty(r300
, &r300
->pvs_flush
);
2033 draw_bind_vertex_shader(r300
->draw
,
2034 (struct draw_vertex_shader
*)vs
->draw_vs
);
2038 static void r300_delete_vs_state(struct pipe_context
* pipe
, void* shader
)
2040 struct r300_context
* r300
= r300_context(pipe
);
2041 struct r300_vertex_shader
* vs
= (struct r300_vertex_shader
*)shader
;
2043 if (r300
->screen
->caps
.has_tcl
) {
2044 rc_constants_destroy(&vs
->code
.constants
);
2045 FREE(vs
->code
.constants_remap_table
);
2047 draw_delete_vertex_shader(r300
->draw
,
2048 (struct draw_vertex_shader
*)vs
->draw_vs
);
2051 FREE((void*)vs
->state
.tokens
);
2055 static void r300_set_constant_buffer(struct pipe_context
*pipe
,
2056 uint shader
, uint index
,
2057 struct pipe_constant_buffer
*cb
)
2059 struct r300_context
* r300
= r300_context(pipe
);
2060 struct r300_constant_buffer
*cbuf
;
2063 if (!cb
|| (!cb
->buffer
&& !cb
->user_buffer
))
2067 case PIPE_SHADER_VERTEX
:
2068 cbuf
= (struct r300_constant_buffer
*)r300
->vs_constants
.state
;
2070 case PIPE_SHADER_FRAGMENT
:
2071 cbuf
= (struct r300_constant_buffer
*)r300
->fs_constants
.state
;
2078 if (cb
->user_buffer
)
2079 mapped
= (uint32_t*)cb
->user_buffer
;
2081 struct r300_resource
*rbuf
= r300_resource(cb
->buffer
);
2083 if (rbuf
&& rbuf
->malloced_buffer
)
2084 mapped
= (uint32_t*)rbuf
->malloced_buffer
;
2089 if (shader
== PIPE_SHADER_FRAGMENT
||
2090 (shader
== PIPE_SHADER_VERTEX
&& r300
->screen
->caps
.has_tcl
)) {
2094 if (shader
== PIPE_SHADER_VERTEX
) {
2095 if (r300
->screen
->caps
.has_tcl
) {
2096 struct r300_vertex_shader
*vs
=
2097 (struct r300_vertex_shader
*)r300
->vs_state
.state
;
2100 cbuf
->buffer_base
= 0;
2104 cbuf
->buffer_base
= r300
->vs_const_base
;
2105 r300
->vs_const_base
+= vs
->code
.constants
.Count
;
2106 if (r300
->vs_const_base
> R500_MAX_PVS_CONST_VECS
) {
2107 r300
->vs_const_base
= vs
->code
.constants
.Count
;
2108 cbuf
->buffer_base
= 0;
2109 r300_mark_atom_dirty(r300
, &r300
->pvs_flush
);
2111 r300_mark_atom_dirty(r300
, &r300
->vs_constants
);
2112 } else if (r300
->draw
) {
2113 draw_set_mapped_constant_buffer(r300
->draw
, PIPE_SHADER_VERTEX
,
2114 0, mapped
, cb
->buffer_size
);
2116 } else if (shader
== PIPE_SHADER_FRAGMENT
) {
2117 r300_mark_atom_dirty(r300
, &r300
->fs_constants
);
2121 static void r300_texture_barrier(struct pipe_context
*pipe
)
2123 struct r300_context
*r300
= r300_context(pipe
);
2125 r300_mark_atom_dirty(r300
, &r300
->gpu_flush
);
2126 r300_mark_atom_dirty(r300
, &r300
->texture_cache_inval
);
2129 void r300_init_state_functions(struct r300_context
* r300
)
2131 r300
->context
.create_blend_state
= r300_create_blend_state
;
2132 r300
->context
.bind_blend_state
= r300_bind_blend_state
;
2133 r300
->context
.delete_blend_state
= r300_delete_blend_state
;
2135 r300
->context
.set_blend_color
= r300_set_blend_color
;
2137 r300
->context
.set_clip_state
= r300_set_clip_state
;
2138 r300
->context
.set_sample_mask
= r300_set_sample_mask
;
2140 r300
->context
.set_constant_buffer
= r300_set_constant_buffer
;
2142 r300
->context
.create_depth_stencil_alpha_state
= r300_create_dsa_state
;
2143 r300
->context
.bind_depth_stencil_alpha_state
= r300_bind_dsa_state
;
2144 r300
->context
.delete_depth_stencil_alpha_state
= r300_delete_dsa_state
;
2146 r300
->context
.set_stencil_ref
= r300_set_stencil_ref
;
2148 r300
->context
.set_framebuffer_state
= r300_set_framebuffer_state
;
2150 r300
->context
.create_fs_state
= r300_create_fs_state
;
2151 r300
->context
.bind_fs_state
= r300_bind_fs_state
;
2152 r300
->context
.delete_fs_state
= r300_delete_fs_state
;
2154 r300
->context
.set_polygon_stipple
= r300_set_polygon_stipple
;
2156 r300
->context
.create_rasterizer_state
= r300_create_rs_state
;
2157 r300
->context
.bind_rasterizer_state
= r300_bind_rs_state
;
2158 r300
->context
.delete_rasterizer_state
= r300_delete_rs_state
;
2160 r300
->context
.create_sampler_state
= r300_create_sampler_state
;
2161 r300
->context
.bind_fragment_sampler_states
= r300_bind_sampler_states
;
2162 r300
->context
.bind_vertex_sampler_states
= r300_lacks_vertex_textures
;
2163 r300
->context
.delete_sampler_state
= r300_delete_sampler_state
;
2165 r300
->context
.set_fragment_sampler_views
= r300_set_fragment_sampler_views
;
2166 r300
->context
.create_sampler_view
= r300_create_sampler_view
;
2167 r300
->context
.sampler_view_destroy
= r300_sampler_view_destroy
;
2169 r300
->context
.set_scissor_states
= r300_set_scissor_states
;
2171 r300
->context
.set_viewport_states
= r300_set_viewport_states
;
2173 if (r300
->screen
->caps
.has_tcl
) {
2174 r300
->context
.set_vertex_buffers
= r300_set_vertex_buffers_hwtcl
;
2175 r300
->context
.set_index_buffer
= r300_set_index_buffer_hwtcl
;
2177 r300
->context
.set_vertex_buffers
= r300_set_vertex_buffers_swtcl
;
2178 r300
->context
.set_index_buffer
= r300_set_index_buffer_swtcl
;
2181 r300
->context
.create_vertex_elements_state
= r300_create_vertex_elements_state
;
2182 r300
->context
.bind_vertex_elements_state
= r300_bind_vertex_elements_state
;
2183 r300
->context
.delete_vertex_elements_state
= r300_delete_vertex_elements_state
;
2185 r300
->context
.create_vs_state
= r300_create_vs_state
;
2186 r300
->context
.bind_vs_state
= r300_bind_vs_state
;
2187 r300
->context
.delete_vs_state
= r300_delete_vs_state
;
2189 r300
->context
.texture_barrier
= r300_texture_barrier
;