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_math.h"
27 #include "util/u_memory.h"
28 #include "util/u_pack_color.h"
30 #include "tgsi/tgsi_parse.h"
32 #include "pipe/p_config.h"
34 #include "r300_context.h"
36 #include "r300_screen.h"
37 #include "r300_screen_buffer.h"
38 #include "r300_state_inlines.h"
41 #include "r300_winsys.h"
43 /* r300_state: Functions used to intialize state context by translating
44 * Gallium state objects into semi-native r300 state objects. */
46 #define UPDATE_STATE(cso, atom) \
47 if (cso != atom.state) { \
52 static boolean
blend_discard_if_src_alpha_0(unsigned srcRGB
, unsigned srcA
,
53 unsigned dstRGB
, unsigned dstA
)
55 /* If the blend equation is ADD or REVERSE_SUBTRACT,
56 * SRC_ALPHA == 0, and the following state is set, the colorbuffer
57 * will not be changed.
58 * Notice that the dst factors are the src factors inverted. */
59 return (srcRGB
== PIPE_BLENDFACTOR_SRC_ALPHA
||
60 srcRGB
== PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE
||
61 srcRGB
== PIPE_BLENDFACTOR_ZERO
) &&
62 (srcA
== PIPE_BLENDFACTOR_SRC_COLOR
||
63 srcA
== PIPE_BLENDFACTOR_SRC_ALPHA
||
64 srcA
== PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE
||
65 srcA
== PIPE_BLENDFACTOR_ZERO
) &&
66 (dstRGB
== PIPE_BLENDFACTOR_INV_SRC_ALPHA
||
67 dstRGB
== PIPE_BLENDFACTOR_ONE
) &&
68 (dstA
== PIPE_BLENDFACTOR_INV_SRC_COLOR
||
69 dstA
== PIPE_BLENDFACTOR_INV_SRC_ALPHA
||
70 dstA
== PIPE_BLENDFACTOR_ONE
);
73 static boolean
blend_discard_if_src_alpha_1(unsigned srcRGB
, unsigned srcA
,
74 unsigned dstRGB
, unsigned dstA
)
76 /* If the blend equation is ADD or REVERSE_SUBTRACT,
77 * SRC_ALPHA == 1, and the following state is set, the colorbuffer
78 * will not be changed.
79 * Notice that the dst factors are the src factors inverted. */
80 return (srcRGB
== PIPE_BLENDFACTOR_INV_SRC_ALPHA
||
81 srcRGB
== PIPE_BLENDFACTOR_ZERO
) &&
82 (srcA
== PIPE_BLENDFACTOR_INV_SRC_COLOR
||
83 srcA
== PIPE_BLENDFACTOR_INV_SRC_ALPHA
||
84 srcA
== PIPE_BLENDFACTOR_ZERO
) &&
85 (dstRGB
== PIPE_BLENDFACTOR_SRC_ALPHA
||
86 dstRGB
== PIPE_BLENDFACTOR_ONE
) &&
87 (dstA
== PIPE_BLENDFACTOR_SRC_COLOR
||
88 dstA
== PIPE_BLENDFACTOR_SRC_ALPHA
||
89 dstA
== PIPE_BLENDFACTOR_ONE
);
92 static boolean
blend_discard_if_src_color_0(unsigned srcRGB
, unsigned srcA
,
93 unsigned dstRGB
, unsigned dstA
)
95 /* If the blend equation is ADD or REVERSE_SUBTRACT,
96 * SRC_COLOR == (0,0,0), and the following state is set, the colorbuffer
97 * will not be changed.
98 * Notice that the dst factors are the src factors inverted. */
99 return (srcRGB
== PIPE_BLENDFACTOR_SRC_COLOR
||
100 srcRGB
== PIPE_BLENDFACTOR_ZERO
) &&
101 (srcA
== PIPE_BLENDFACTOR_ZERO
) &&
102 (dstRGB
== PIPE_BLENDFACTOR_INV_SRC_COLOR
||
103 dstRGB
== PIPE_BLENDFACTOR_ONE
) &&
104 (dstA
== PIPE_BLENDFACTOR_ONE
);
107 static boolean
blend_discard_if_src_color_1(unsigned srcRGB
, unsigned srcA
,
108 unsigned dstRGB
, unsigned dstA
)
110 /* If the blend equation is ADD or REVERSE_SUBTRACT,
111 * SRC_COLOR == (1,1,1), and the following state is set, the colorbuffer
112 * will not be changed.
113 * Notice that the dst factors are the src factors inverted. */
114 return (srcRGB
== PIPE_BLENDFACTOR_INV_SRC_COLOR
||
115 srcRGB
== PIPE_BLENDFACTOR_ZERO
) &&
116 (srcA
== PIPE_BLENDFACTOR_ZERO
) &&
117 (dstRGB
== PIPE_BLENDFACTOR_SRC_COLOR
||
118 dstRGB
== PIPE_BLENDFACTOR_ONE
) &&
119 (dstA
== PIPE_BLENDFACTOR_ONE
);
122 static boolean
blend_discard_if_src_alpha_color_0(unsigned srcRGB
, unsigned srcA
,
123 unsigned dstRGB
, unsigned dstA
)
125 /* If the blend equation is ADD or REVERSE_SUBTRACT,
126 * SRC_ALPHA_COLOR == (0,0,0,0), and the following state is set,
127 * the colorbuffer will not be changed.
128 * Notice that the dst factors are the src factors inverted. */
129 return (srcRGB
== PIPE_BLENDFACTOR_SRC_COLOR
||
130 srcRGB
== PIPE_BLENDFACTOR_SRC_ALPHA
||
131 srcRGB
== PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE
||
132 srcRGB
== PIPE_BLENDFACTOR_ZERO
) &&
133 (srcA
== PIPE_BLENDFACTOR_SRC_COLOR
||
134 srcA
== PIPE_BLENDFACTOR_SRC_ALPHA
||
135 srcA
== PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE
||
136 srcA
== PIPE_BLENDFACTOR_ZERO
) &&
137 (dstRGB
== PIPE_BLENDFACTOR_INV_SRC_COLOR
||
138 dstRGB
== PIPE_BLENDFACTOR_INV_SRC_ALPHA
||
139 dstRGB
== PIPE_BLENDFACTOR_ONE
) &&
140 (dstA
== PIPE_BLENDFACTOR_INV_SRC_COLOR
||
141 dstA
== PIPE_BLENDFACTOR_INV_SRC_ALPHA
||
142 dstA
== PIPE_BLENDFACTOR_ONE
);
145 static boolean
blend_discard_if_src_alpha_color_1(unsigned srcRGB
, unsigned srcA
,
146 unsigned dstRGB
, unsigned dstA
)
148 /* If the blend equation is ADD or REVERSE_SUBTRACT,
149 * SRC_ALPHA_COLOR == (1,1,1,1), and the following state is set,
150 * the colorbuffer will not be changed.
151 * Notice that the dst factors are the src factors inverted. */
152 return (srcRGB
== PIPE_BLENDFACTOR_INV_SRC_COLOR
||
153 srcRGB
== PIPE_BLENDFACTOR_INV_SRC_ALPHA
||
154 srcRGB
== PIPE_BLENDFACTOR_ZERO
) &&
155 (srcA
== PIPE_BLENDFACTOR_INV_SRC_COLOR
||
156 srcA
== PIPE_BLENDFACTOR_INV_SRC_ALPHA
||
157 srcA
== PIPE_BLENDFACTOR_ZERO
) &&
158 (dstRGB
== PIPE_BLENDFACTOR_SRC_COLOR
||
159 dstRGB
== PIPE_BLENDFACTOR_SRC_ALPHA
||
160 dstRGB
== PIPE_BLENDFACTOR_ONE
) &&
161 (dstA
== PIPE_BLENDFACTOR_SRC_COLOR
||
162 dstA
== PIPE_BLENDFACTOR_SRC_ALPHA
||
163 dstA
== PIPE_BLENDFACTOR_ONE
);
166 static unsigned bgra_cmask(unsigned mask
)
168 /* Gallium uses RGBA color ordering while R300 expects BGRA. */
170 return ((mask
& PIPE_MASK_R
) << 2) |
171 ((mask
& PIPE_MASK_B
) >> 2) |
172 (mask
& (PIPE_MASK_G
| PIPE_MASK_A
));
175 /* Create a new blend state based on the CSO blend state.
177 * This encompasses alpha blending, logic/raster ops, and blend dithering. */
178 static void* r300_create_blend_state(struct pipe_context
* pipe
,
179 const struct pipe_blend_state
* state
)
181 struct r300_screen
* r300screen
= r300_screen(pipe
->screen
);
182 struct r300_blend_state
* blend
= CALLOC_STRUCT(r300_blend_state
);
184 if (state
->rt
[0].blend_enable
)
186 unsigned eqRGB
= state
->rt
[0].rgb_func
;
187 unsigned srcRGB
= state
->rt
[0].rgb_src_factor
;
188 unsigned dstRGB
= state
->rt
[0].rgb_dst_factor
;
190 unsigned eqA
= state
->rt
[0].alpha_func
;
191 unsigned srcA
= state
->rt
[0].alpha_src_factor
;
192 unsigned dstA
= state
->rt
[0].alpha_dst_factor
;
194 /* despite the name, ALPHA_BLEND_ENABLE has nothing to do with alpha,
195 * this is just the crappy D3D naming */
196 blend
->blend_control
= R300_ALPHA_BLEND_ENABLE
|
197 r300_translate_blend_function(eqRGB
) |
198 ( r300_translate_blend_factor(srcRGB
) << R300_SRC_BLEND_SHIFT
) |
199 ( r300_translate_blend_factor(dstRGB
) << R300_DST_BLEND_SHIFT
);
201 /* Optimization: some operations do not require the destination color.
203 * When SRC_ALPHA_SATURATE is used, colorbuffer reads must be enabled,
204 * otherwise blending gives incorrect results. It seems to be
206 if (eqRGB
== PIPE_BLEND_MIN
|| eqA
== PIPE_BLEND_MIN
||
207 eqRGB
== PIPE_BLEND_MAX
|| eqA
== PIPE_BLEND_MAX
||
208 dstRGB
!= PIPE_BLENDFACTOR_ZERO
||
209 dstA
!= PIPE_BLENDFACTOR_ZERO
||
210 srcRGB
== PIPE_BLENDFACTOR_DST_COLOR
||
211 srcRGB
== PIPE_BLENDFACTOR_DST_ALPHA
||
212 srcRGB
== PIPE_BLENDFACTOR_INV_DST_COLOR
||
213 srcRGB
== PIPE_BLENDFACTOR_INV_DST_ALPHA
||
214 srcA
== PIPE_BLENDFACTOR_DST_COLOR
||
215 srcA
== PIPE_BLENDFACTOR_DST_ALPHA
||
216 srcA
== PIPE_BLENDFACTOR_INV_DST_COLOR
||
217 srcA
== PIPE_BLENDFACTOR_INV_DST_ALPHA
||
218 srcRGB
== PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE
) {
219 /* Enable reading from the colorbuffer. */
220 blend
->blend_control
|= R300_READ_ENABLE
;
222 if (r300_screen(r300_context(pipe
)->context
.screen
)->caps
->is_r500
) {
223 /* Optimization: Depending on incoming pixels, we can
224 * conditionally disable the reading in hardware... */
225 if (eqRGB
!= PIPE_BLEND_MIN
&& eqA
!= PIPE_BLEND_MIN
&&
226 eqRGB
!= PIPE_BLEND_MAX
&& eqA
!= PIPE_BLEND_MAX
) {
227 /* Disable reading if SRC_ALPHA == 0. */
228 if ((dstRGB
== PIPE_BLENDFACTOR_SRC_ALPHA
||
229 dstRGB
== PIPE_BLENDFACTOR_ZERO
) &&
230 (dstA
== PIPE_BLENDFACTOR_SRC_COLOR
||
231 dstA
== PIPE_BLENDFACTOR_SRC_ALPHA
||
232 dstA
== PIPE_BLENDFACTOR_ZERO
)) {
233 blend
->blend_control
|= R500_SRC_ALPHA_0_NO_READ
;
236 /* Disable reading if SRC_ALPHA == 1. */
237 if ((dstRGB
== PIPE_BLENDFACTOR_INV_SRC_ALPHA
||
238 dstRGB
== PIPE_BLENDFACTOR_ZERO
) &&
239 (dstA
== PIPE_BLENDFACTOR_INV_SRC_COLOR
||
240 dstA
== PIPE_BLENDFACTOR_INV_SRC_ALPHA
||
241 dstA
== PIPE_BLENDFACTOR_ZERO
)) {
242 blend
->blend_control
|= R500_SRC_ALPHA_1_NO_READ
;
248 /* Optimization: discard pixels which don't change the colorbuffer.
250 * The code below is non-trivial and some math is involved.
252 * Discarding pixels must be disabled when FP16 AA is enabled.
253 * This is a hardware bug. Also, this implementation wouldn't work
254 * with FP blending enabled and equation clamping disabled.
256 * Equations other than ADD are rarely used and therefore won't be
258 if ((eqRGB
== PIPE_BLEND_ADD
|| eqRGB
== PIPE_BLEND_REVERSE_SUBTRACT
) &&
259 (eqA
== PIPE_BLEND_ADD
|| eqA
== PIPE_BLEND_REVERSE_SUBTRACT
)) {
261 * REVERSE_SUBTRACT: Y-X
264 * If X = src*srcFactor = 0 and Y = dst*dstFactor = 1,
265 * then CB will not be changed.
267 * Given the srcFactor and dstFactor variables, we can derive
268 * what src and dst should be equal to and discard appropriate
271 if (blend_discard_if_src_alpha_0(srcRGB
, srcA
, dstRGB
, dstA
)) {
272 blend
->blend_control
|= R300_DISCARD_SRC_PIXELS_SRC_ALPHA_0
;
273 } else if (blend_discard_if_src_alpha_1(srcRGB
, srcA
,
275 blend
->blend_control
|= R300_DISCARD_SRC_PIXELS_SRC_ALPHA_1
;
276 } else if (blend_discard_if_src_color_0(srcRGB
, srcA
,
278 blend
->blend_control
|= R300_DISCARD_SRC_PIXELS_SRC_COLOR_0
;
279 } else if (blend_discard_if_src_color_1(srcRGB
, srcA
,
281 blend
->blend_control
|= R300_DISCARD_SRC_PIXELS_SRC_COLOR_1
;
282 } else if (blend_discard_if_src_alpha_color_0(srcRGB
, srcA
,
284 blend
->blend_control
|=
285 R300_DISCARD_SRC_PIXELS_SRC_ALPHA_COLOR_0
;
286 } else if (blend_discard_if_src_alpha_color_1(srcRGB
, srcA
,
288 blend
->blend_control
|=
289 R300_DISCARD_SRC_PIXELS_SRC_ALPHA_COLOR_1
;
294 if (srcA
!= srcRGB
|| dstA
!= dstRGB
|| eqA
!= eqRGB
) {
295 blend
->blend_control
|= R300_SEPARATE_ALPHA_ENABLE
;
296 blend
->alpha_blend_control
=
297 r300_translate_blend_function(eqA
) |
298 (r300_translate_blend_factor(srcA
) << R300_SRC_BLEND_SHIFT
) |
299 (r300_translate_blend_factor(dstA
) << R300_DST_BLEND_SHIFT
);
303 /* PIPE_LOGICOP_* don't need to be translated, fortunately. */
304 if (state
->logicop_enable
) {
305 blend
->rop
= R300_RB3D_ROPCNTL_ROP_ENABLE
|
306 (state
->logicop_func
) << R300_RB3D_ROPCNTL_ROP_SHIFT
;
309 /* Color channel masks for all MRTs. */
310 blend
->color_channel_mask
= bgra_cmask(state
->rt
[0].colormask
);
311 if (r300screen
->caps
->is_r500
&& state
->independent_blend_enable
) {
312 if (state
->rt
[1].blend_enable
) {
313 blend
->color_channel_mask
|= bgra_cmask(state
->rt
[1].colormask
) << 4;
315 if (state
->rt
[2].blend_enable
) {
316 blend
->color_channel_mask
|= bgra_cmask(state
->rt
[2].colormask
) << 8;
318 if (state
->rt
[3].blend_enable
) {
319 blend
->color_channel_mask
|= bgra_cmask(state
->rt
[3].colormask
) << 12;
324 /* fglrx appears to never set this */
326 /* blend->dither = R300_RB3D_DITHER_CTL_DITHER_MODE_LUT |
327 R300_RB3D_DITHER_CTL_ALPHA_DITHER_MODE_LUT; */
333 /* Bind blend state. */
334 static void r300_bind_blend_state(struct pipe_context
* pipe
,
337 struct r300_context
* r300
= r300_context(pipe
);
339 UPDATE_STATE(state
, r300
->blend_state
);
342 /* Free blend state. */
343 static void r300_delete_blend_state(struct pipe_context
* pipe
,
349 /* Convert float to 10bit integer */
350 static unsigned float_to_fixed10(float f
)
352 return CLAMP((unsigned)(f
* 1023.9f
), 0, 1023);
356 * Setup both R300 and R500 registers, figure out later which one to write. */
357 static void r300_set_blend_color(struct pipe_context
* pipe
,
358 const struct pipe_blend_color
* color
)
360 struct r300_context
* r300
= r300_context(pipe
);
361 struct r300_screen
* r300screen
= r300_screen(pipe
->screen
);
362 struct r300_blend_color_state
* state
=
363 (struct r300_blend_color_state
*)r300
->blend_color_state
.state
;
366 util_pack_color(color
->color
, PIPE_FORMAT_B8G8R8A8_UNORM
, &uc
);
367 state
->blend_color
= uc
.ui
;
369 /* XXX if FP16 blending is enabled, we should use the FP16 format */
370 state
->blend_color_red_alpha
=
371 float_to_fixed10(color
->color
[0]) |
372 (float_to_fixed10(color
->color
[3]) << 16);
373 state
->blend_color_green_blue
=
374 float_to_fixed10(color
->color
[2]) |
375 (float_to_fixed10(color
->color
[1]) << 16);
377 r300
->blend_color_state
.size
= r300screen
->caps
->is_r500
? 3 : 2;
378 r300
->blend_color_state
.dirty
= TRUE
;
381 static void r300_set_clip_state(struct pipe_context
* pipe
,
382 const struct pipe_clip_state
* state
)
384 struct r300_context
* r300
= r300_context(pipe
);
388 if (r300_screen(pipe
->screen
)->caps
->has_tcl
) {
389 memcpy(r300
->clip_state
.state
, state
, sizeof(struct pipe_clip_state
));
390 r300
->clip_state
.size
= 29;
392 draw_flush(r300
->draw
);
393 draw_set_clip_state(r300
->draw
, state
);
394 r300
->clip_state
.size
= 2;
397 r300
->clip_state
.dirty
= TRUE
;
400 /* Create a new depth, stencil, and alpha state based on the CSO dsa state.
402 * This contains the depth buffer, stencil buffer, alpha test, and such.
403 * On the Radeon, depth and stencil buffer setup are intertwined, which is
404 * the reason for some of the strange-looking assignments across registers. */
406 r300_create_dsa_state(struct pipe_context
* pipe
,
407 const struct pipe_depth_stencil_alpha_state
* state
)
409 struct r300_capabilities
*caps
=
410 r300_screen(r300_context(pipe
)->context
.screen
)->caps
;
411 struct r300_dsa_state
* dsa
= CALLOC_STRUCT(r300_dsa_state
);
413 /* Depth test setup. */
414 if (state
->depth
.enabled
) {
415 dsa
->z_buffer_control
|= R300_Z_ENABLE
;
417 if (state
->depth
.writemask
) {
418 dsa
->z_buffer_control
|= R300_Z_WRITE_ENABLE
;
421 dsa
->z_stencil_control
|=
422 (r300_translate_depth_stencil_function(state
->depth
.func
) <<
426 /* Stencil buffer setup. */
427 if (state
->stencil
[0].enabled
) {
428 dsa
->z_buffer_control
|= R300_STENCIL_ENABLE
;
429 dsa
->z_stencil_control
|=
430 (r300_translate_depth_stencil_function(state
->stencil
[0].func
) <<
431 R300_S_FRONT_FUNC_SHIFT
) |
432 (r300_translate_stencil_op(state
->stencil
[0].fail_op
) <<
433 R300_S_FRONT_SFAIL_OP_SHIFT
) |
434 (r300_translate_stencil_op(state
->stencil
[0].zpass_op
) <<
435 R300_S_FRONT_ZPASS_OP_SHIFT
) |
436 (r300_translate_stencil_op(state
->stencil
[0].zfail_op
) <<
437 R300_S_FRONT_ZFAIL_OP_SHIFT
);
439 dsa
->stencil_ref_mask
=
440 (state
->stencil
[0].valuemask
<< R300_STENCILMASK_SHIFT
) |
441 (state
->stencil
[0].writemask
<< R300_STENCILWRITEMASK_SHIFT
);
443 if (state
->stencil
[1].enabled
) {
444 dsa
->z_buffer_control
|= R300_STENCIL_FRONT_BACK
;
445 dsa
->z_stencil_control
|=
446 (r300_translate_depth_stencil_function(state
->stencil
[1].func
) <<
447 R300_S_BACK_FUNC_SHIFT
) |
448 (r300_translate_stencil_op(state
->stencil
[1].fail_op
) <<
449 R300_S_BACK_SFAIL_OP_SHIFT
) |
450 (r300_translate_stencil_op(state
->stencil
[1].zpass_op
) <<
451 R300_S_BACK_ZPASS_OP_SHIFT
) |
452 (r300_translate_stencil_op(state
->stencil
[1].zfail_op
) <<
453 R300_S_BACK_ZFAIL_OP_SHIFT
);
457 dsa
->z_buffer_control
|= R500_STENCIL_REFMASK_FRONT_BACK
;
458 dsa
->stencil_ref_bf
=
459 (state
->stencil
[1].valuemask
<<
460 R300_STENCILMASK_SHIFT
) |
461 (state
->stencil
[1].writemask
<<
462 R300_STENCILWRITEMASK_SHIFT
);
467 /* Alpha test setup. */
468 if (state
->alpha
.enabled
) {
469 dsa
->alpha_function
=
470 r300_translate_alpha_function(state
->alpha
.func
) |
471 R300_FG_ALPHA_FUNC_ENABLE
;
473 /* We could use 10bit alpha ref but who needs that? */
474 dsa
->alpha_function
|= float_to_ubyte(state
->alpha
.ref_value
);
477 dsa
->alpha_function
|= R500_FG_ALPHA_FUNC_8BIT
;
483 /* Bind DSA state. */
484 static void r300_bind_dsa_state(struct pipe_context
* pipe
,
487 struct r300_context
* r300
= r300_context(pipe
);
489 UPDATE_STATE(state
, r300
->dsa_state
);
492 /* Free DSA state. */
493 static void r300_delete_dsa_state(struct pipe_context
* pipe
,
499 static void r300_set_stencil_ref(struct pipe_context
* pipe
,
500 const struct pipe_stencil_ref
* sr
)
502 struct r300_context
* r300
= r300_context(pipe
);
503 r300
->stencil_ref
= *sr
;
504 r300
->dsa_state
.dirty
= TRUE
;
507 /* This switcheroo is needed just because of goddamned MACRO_SWITCH. */
508 static void r300_fb_update_tiling_flags(struct r300_context
*r300
,
509 const struct pipe_framebuffer_state
*old_state
,
510 const struct pipe_framebuffer_state
*new_state
)
512 struct r300_texture
*tex
;
513 unsigned i
, j
, level
;
515 /* Reset tiling flags for old surfaces to default values. */
516 for (i
= 0; i
< old_state
->nr_cbufs
; i
++) {
517 for (j
= 0; j
< new_state
->nr_cbufs
; j
++) {
518 if (old_state
->cbufs
[i
]->texture
== new_state
->cbufs
[j
]->texture
) {
522 /* If not binding the surface again... */
523 if (j
!= new_state
->nr_cbufs
) {
527 tex
= (struct r300_texture
*)old_state
->cbufs
[i
]->texture
;
530 r300
->rws
->buffer_set_tiling(r300
->rws
, tex
->buffer
,
536 if (old_state
->zsbuf
&&
537 (!new_state
->zsbuf
||
538 old_state
->zsbuf
->texture
!= new_state
->zsbuf
->texture
)) {
539 tex
= (struct r300_texture
*)old_state
->zsbuf
->texture
;
542 r300
->rws
->buffer_set_tiling(r300
->rws
, tex
->buffer
,
549 /* Set tiling flags for new surfaces. */
550 for (i
= 0; i
< new_state
->nr_cbufs
; i
++) {
551 tex
= (struct r300_texture
*)new_state
->cbufs
[i
]->texture
;
552 level
= new_state
->cbufs
[i
]->level
;
554 r300
->rws
->buffer_set_tiling(r300
->rws
, tex
->buffer
,
557 tex
->mip_macrotile
[level
]);
559 if (new_state
->zsbuf
) {
560 tex
= (struct r300_texture
*)new_state
->zsbuf
->texture
;
561 level
= new_state
->zsbuf
->level
;
563 r300
->rws
->buffer_set_tiling(r300
->rws
, tex
->buffer
,
566 tex
->mip_macrotile
[level
]);
571 r300_set_framebuffer_state(struct pipe_context
* pipe
,
572 const struct pipe_framebuffer_state
* state
)
574 struct r300_context
* r300
= r300_context(pipe
);
575 struct r300_screen
* r300screen
= r300_screen(pipe
->screen
);
576 struct pipe_framebuffer_state
*old_state
= r300
->fb_state
.state
;
577 unsigned max_width
, max_height
;
578 uint32_t zbuffer_bpp
= 0;
580 if (state
->nr_cbufs
> 4) {
581 fprintf(stderr
, "r300: Implementation error: Too many MRTs in %s, "
582 "refusing to bind framebuffer state!\n", __FUNCTION__
);
586 if (r300screen
->caps
->is_r500
) {
587 max_width
= max_height
= 4096;
588 } else if (r300screen
->caps
->is_r400
) {
589 max_width
= max_height
= 4021;
591 max_width
= max_height
= 2560;
594 if (state
->width
> max_width
|| state
->height
> max_height
) {
595 fprintf(stderr
, "r300: Implementation error: Render targets are too "
596 "big in %s, refusing to bind framebuffer state!\n", __FUNCTION__
);
601 draw_flush(r300
->draw
);
604 r300
->fb_state
.dirty
= TRUE
;
606 /* If nr_cbufs is changed from zero to non-zero or vice versa... */
607 if (!!old_state
->nr_cbufs
!= !!state
->nr_cbufs
) {
608 r300
->blend_state
.dirty
= TRUE
;
610 /* If zsbuf is set from NULL to non-NULL or vice versa.. */
611 if (!!old_state
->zsbuf
!= !!state
->zsbuf
) {
612 r300
->dsa_state
.dirty
= TRUE
;
614 if (!r300
->scissor_enabled
) {
615 r300
->scissor_state
.dirty
= TRUE
;
618 r300_fb_update_tiling_flags(r300
, r300
->fb_state
.state
, state
);
620 memcpy(r300
->fb_state
.state
, state
, sizeof(struct pipe_framebuffer_state
));
622 r300
->fb_state
.size
= (10 * state
->nr_cbufs
) + (2 * (4 - state
->nr_cbufs
)) +
623 (state
->zsbuf
? 10 : 0) + 8;
625 /* Polygon offset depends on the zbuffer bit depth. */
626 if (state
->zsbuf
&& r300
->polygon_offset_enabled
) {
627 switch (util_format_get_blocksize(state
->zsbuf
->texture
->format
)) {
636 if (r300
->zbuffer_bpp
!= zbuffer_bpp
) {
637 r300
->zbuffer_bpp
= zbuffer_bpp
;
638 r300
->rs_state
.dirty
= TRUE
;
643 /* Create fragment shader state. */
644 static void* r300_create_fs_state(struct pipe_context
* pipe
,
645 const struct pipe_shader_state
* shader
)
647 struct r300_fragment_shader
* fs
= NULL
;
649 fs
= (struct r300_fragment_shader
*)CALLOC_STRUCT(r300_fragment_shader
);
651 /* Copy state directly into shader. */
653 fs
->state
.tokens
= tgsi_dup_tokens(shader
->tokens
);
655 tgsi_scan_shader(shader
->tokens
, &fs
->info
);
656 r300_shader_read_fs_inputs(&fs
->info
, &fs
->inputs
);
661 /* Bind fragment shader state. */
662 static void r300_bind_fs_state(struct pipe_context
* pipe
, void* shader
)
664 struct r300_context
* r300
= r300_context(pipe
);
665 struct r300_fragment_shader
* fs
= (struct r300_fragment_shader
*)shader
;
673 r300_pick_fragment_shader(r300
);
675 r300
->rs_block_state
.dirty
= TRUE
; /* Will be updated before the emission. */
677 if (r300
->vs_state
.state
&& r300_vertex_shader_setup_wpos(r300
)) {
678 r300
->vap_output_state
.dirty
= TRUE
;
681 r300
->dirty_state
|= R300_NEW_FRAGMENT_SHADER
| R300_NEW_FRAGMENT_SHADER_CONSTANTS
;
684 /* Delete fragment shader state. */
685 static void r300_delete_fs_state(struct pipe_context
* pipe
, void* shader
)
687 struct r300_fragment_shader
* fs
= (struct r300_fragment_shader
*)shader
;
688 struct r300_fragment_shader_code
*tmp
, *ptr
= fs
->first
;
693 rc_constants_destroy(&tmp
->code
.constants
);
696 FREE((void*)fs
->state
.tokens
);
700 static void r300_set_polygon_stipple(struct pipe_context
* pipe
,
701 const struct pipe_poly_stipple
* state
)
703 /* XXX no idea how to set this up, but not terribly important */
706 /* Create a new rasterizer state based on the CSO rasterizer state.
708 * This is a very large chunk of state, and covers most of the graphics
709 * backend (GB), geometry assembly (GA), and setup unit (SU) blocks.
711 * In a not entirely unironic sidenote, this state has nearly nothing to do
712 * with the actual block on the Radeon called the rasterizer (RS). */
713 static void* r300_create_rs_state(struct pipe_context
* pipe
,
714 const struct pipe_rasterizer_state
* state
)
716 struct r300_screen
* r300screen
= r300_screen(pipe
->screen
);
717 struct r300_rs_state
* rs
= CALLOC_STRUCT(r300_rs_state
);
719 /* Copy rasterizer state for Draw. */
722 #ifdef PIPE_ARCH_LITTLE_ENDIAN
723 rs
->vap_control_status
= R300_VC_NO_SWAP
;
725 rs
->vap_control_status
= R300_VC_32BIT_SWAP
;
728 /* If no TCL engine is present, turn off the HW TCL. */
729 if (!r300screen
->caps
->has_tcl
) {
730 rs
->vap_control_status
|= R300_VAP_TCL_BYPASS
;
733 rs
->point_size
= pack_float_16_6x(state
->point_size
) |
734 (pack_float_16_6x(state
->point_size
) << R300_POINTSIZE_X_SHIFT
);
736 rs
->line_control
= pack_float_16_6x(state
->line_width
) |
737 R300_GA_LINE_CNTL_END_TYPE_COMP
;
739 /* Enable polygon mode */
740 if (state
->fill_cw
!= PIPE_POLYGON_MODE_FILL
||
741 state
->fill_ccw
!= PIPE_POLYGON_MODE_FILL
) {
742 rs
->polygon_mode
= R300_GA_POLY_MODE_DUAL
;
745 /* Radeons don't think in "CW/CCW", they think in "front/back". */
746 if (state
->front_winding
== PIPE_WINDING_CW
) {
747 rs
->cull_mode
= R300_FRONT_FACE_CW
;
750 if (state
->offset_cw
) {
751 rs
->polygon_offset_enable
|= R300_FRONT_ENABLE
;
753 if (state
->offset_ccw
) {
754 rs
->polygon_offset_enable
|= R300_BACK_ENABLE
;
758 if (rs
->polygon_mode
) {
760 r300_translate_polygon_mode_front(state
->fill_cw
);
762 r300_translate_polygon_mode_back(state
->fill_ccw
);
765 rs
->cull_mode
= R300_FRONT_FACE_CCW
;
768 if (state
->offset_ccw
) {
769 rs
->polygon_offset_enable
|= R300_FRONT_ENABLE
;
771 if (state
->offset_cw
) {
772 rs
->polygon_offset_enable
|= R300_BACK_ENABLE
;
776 if (rs
->polygon_mode
) {
778 r300_translate_polygon_mode_front(state
->fill_ccw
);
780 r300_translate_polygon_mode_back(state
->fill_cw
);
783 if (state
->front_winding
& state
->cull_mode
) {
784 rs
->cull_mode
|= R300_CULL_FRONT
;
786 if (~(state
->front_winding
) & state
->cull_mode
) {
787 rs
->cull_mode
|= R300_CULL_BACK
;
790 if (rs
->polygon_offset_enable
) {
791 rs
->depth_offset
= state
->offset_units
;
792 rs
->depth_scale
= state
->offset_scale
;
795 if (state
->line_stipple_enable
) {
796 rs
->line_stipple_config
=
797 R300_GA_LINE_STIPPLE_CONFIG_LINE_RESET_LINE
|
798 (fui((float)state
->line_stipple_factor
) &
799 R300_GA_LINE_STIPPLE_CONFIG_STIPPLE_SCALE_MASK
);
800 /* XXX this might need to be scaled up */
801 rs
->line_stipple_value
= state
->line_stipple_pattern
;
804 if (state
->flatshade
) {
805 rs
->color_control
= R300_SHADE_MODEL_FLAT
;
807 rs
->color_control
= R300_SHADE_MODEL_SMOOTH
;
813 /* Bind rasterizer state. */
814 static void r300_bind_rs_state(struct pipe_context
* pipe
, void* state
)
816 struct r300_context
* r300
= r300_context(pipe
);
817 struct r300_rs_state
* rs
= (struct r300_rs_state
*)state
;
818 boolean scissor_was_enabled
= r300
->scissor_enabled
;
821 draw_flush(r300
->draw
);
822 draw_set_rasterizer_state(r300
->draw
, &rs
->rs
);
826 r300
->polygon_offset_enabled
= rs
->rs
.offset_cw
|| rs
->rs
.offset_ccw
;
827 r300
->scissor_enabled
= rs
->rs
.scissor
;
829 r300
->polygon_offset_enabled
= FALSE
;
830 r300
->scissor_enabled
= FALSE
;
833 UPDATE_STATE(state
, r300
->rs_state
);
834 r300
->rs_state
.size
= 17 + (r300
->polygon_offset_enabled
? 5 : 0);
836 if (scissor_was_enabled
!= r300
->scissor_enabled
) {
837 r300
->scissor_state
.dirty
= TRUE
;
841 /* Free rasterizer state. */
842 static void r300_delete_rs_state(struct pipe_context
* pipe
, void* state
)
848 r300_create_sampler_state(struct pipe_context
* pipe
,
849 const struct pipe_sampler_state
* state
)
851 struct r300_context
* r300
= r300_context(pipe
);
852 struct r300_sampler_state
* sampler
= CALLOC_STRUCT(r300_sampler_state
);
853 boolean is_r500
= r300_screen(pipe
->screen
)->caps
->is_r500
;
857 sampler
->state
= *state
;
860 (r300_translate_wrap(state
->wrap_s
) << R300_TX_WRAP_S_SHIFT
) |
861 (r300_translate_wrap(state
->wrap_t
) << R300_TX_WRAP_T_SHIFT
) |
862 (r300_translate_wrap(state
->wrap_r
) << R300_TX_WRAP_R_SHIFT
);
864 sampler
->filter0
|= r300_translate_tex_filters(state
->min_img_filter
,
865 state
->mag_img_filter
,
866 state
->min_mip_filter
,
867 state
->max_anisotropy
> 0);
869 sampler
->filter0
|= r300_anisotropy(state
->max_anisotropy
);
871 /* Unfortunately, r300-r500 don't support floating-point mipmap lods. */
872 /* We must pass these to the merge function to clamp them properly. */
873 sampler
->min_lod
= MAX2((unsigned)state
->min_lod
, 0);
874 sampler
->max_lod
= MAX2((unsigned)ceilf(state
->max_lod
), 0);
876 lod_bias
= CLAMP((int)(state
->lod_bias
* 32), -(1 << 9), (1 << 9) - 1);
878 sampler
->filter1
|= lod_bias
<< R300_LOD_BIAS_SHIFT
;
880 /* This is very high quality anisotropic filtering for R5xx.
881 * It's good for benchmarking the performance of texturing but
882 * in practice we don't want to slow down the driver because it's
883 * a pretty good performance killer. Feel free to play with it. */
884 if (DBG_ON(r300
, DBG_ANISOHQ
) && is_r500
) {
885 sampler
->filter1
|= r500_anisotropy(state
->max_anisotropy
);
888 util_pack_color(state
->border_color
, PIPE_FORMAT_B8G8R8A8_UNORM
, &uc
);
889 sampler
->border_color
= uc
.ui
;
891 /* R500-specific fixups and optimizations */
892 if (r300_screen(r300
->context
.screen
)->caps
->is_r500
) {
893 sampler
->filter1
|= R500_BORDER_FIX
;
896 return (void*)sampler
;
899 static void r300_bind_sampler_states(struct pipe_context
* pipe
,
903 struct r300_context
* r300
= r300_context(pipe
);
904 struct r300_textures_state
* state
=
905 (struct r300_textures_state
*)r300
->textures_state
.state
;
911 memcpy(state
->sampler_states
, states
, sizeof(void*) * count
);
912 state
->sampler_count
= count
;
914 r300
->textures_state
.dirty
= TRUE
;
916 /* Pick a fragment shader based on the texture compare state. */
917 if (r300
->fs
&& count
) {
918 if (r300_pick_fragment_shader(r300
)) {
919 r300
->dirty_state
|= R300_NEW_FRAGMENT_SHADER
|
920 R300_NEW_FRAGMENT_SHADER_CONSTANTS
;
925 static void r300_lacks_vertex_textures(struct pipe_context
* pipe
,
931 static void r300_delete_sampler_state(struct pipe_context
* pipe
, void* state
)
936 static void r300_set_fragment_sampler_views(struct pipe_context
* pipe
,
938 struct pipe_sampler_view
** views
)
940 struct r300_context
* r300
= r300_context(pipe
);
941 struct r300_textures_state
* state
=
942 (struct r300_textures_state
*)r300
->textures_state
.state
;
943 struct r300_texture
*texture
;
945 boolean is_r500
= r300_screen(r300
->context
.screen
)->caps
->is_r500
;
946 boolean dirty_tex
= FALSE
;
953 for (i
= 0; i
< count
; i
++) {
954 if (state
->fragment_sampler_views
[i
] != views
[i
]) {
955 pipe_sampler_view_reference(&state
->fragment_sampler_views
[i
],
962 /* A new sampler view (= texture)... */
965 /* R300-specific - set the texrect factor in the fragment shader */
966 texture
= (struct r300_texture
*)views
[i
]->texture
;
967 if (!is_r500
&& texture
->is_npot
) {
968 /* XXX It would be nice to re-emit just 1 constant,
969 * XXX not all of them */
970 r300
->dirty_state
|= R300_NEW_FRAGMENT_SHADER_CONSTANTS
;
975 for (i
= count
; i
< 8; i
++) {
976 if (state
->fragment_sampler_views
[i
]) {
977 pipe_sampler_view_reference(&state
->fragment_sampler_views
[i
],
982 state
->texture_count
= count
;
984 r300
->textures_state
.dirty
= TRUE
;
987 r300
->texture_cache_inval
.dirty
= TRUE
;
991 static struct pipe_sampler_view
*
992 r300_create_sampler_view(struct pipe_context
*pipe
,
993 struct pipe_texture
*texture
,
994 const struct pipe_sampler_view
*templ
)
996 struct pipe_sampler_view
*view
= CALLOC_STRUCT(pipe_sampler_view
);
1000 view
->reference
.count
= 1;
1001 view
->texture
= NULL
;
1002 pipe_texture_reference(&view
->texture
, texture
);
1003 view
->context
= pipe
;
1010 r300_sampler_view_destroy(struct pipe_context
*pipe
,
1011 struct pipe_sampler_view
*view
)
1013 pipe_texture_reference(&view
->texture
, NULL
);
1017 static void r300_set_scissor_state(struct pipe_context
* pipe
,
1018 const struct pipe_scissor_state
* state
)
1020 struct r300_context
* r300
= r300_context(pipe
);
1022 memcpy(r300
->scissor_state
.state
, state
,
1023 sizeof(struct pipe_scissor_state
));
1025 if (r300
->scissor_enabled
) {
1026 r300
->scissor_state
.dirty
= TRUE
;
1030 static void r300_set_viewport_state(struct pipe_context
* pipe
,
1031 const struct pipe_viewport_state
* state
)
1033 struct r300_context
* r300
= r300_context(pipe
);
1034 struct r300_viewport_state
* viewport
=
1035 (struct r300_viewport_state
*)r300
->viewport_state
.state
;
1037 r300
->viewport
= *state
;
1039 /* Do the transform in HW. */
1040 viewport
->vte_control
= R300_VTX_W0_FMT
;
1042 if (state
->scale
[0] != 1.0f
) {
1043 viewport
->xscale
= state
->scale
[0];
1044 viewport
->vte_control
|= R300_VPORT_X_SCALE_ENA
;
1046 if (state
->scale
[1] != 1.0f
) {
1047 viewport
->yscale
= state
->scale
[1];
1048 viewport
->vte_control
|= R300_VPORT_Y_SCALE_ENA
;
1050 if (state
->scale
[2] != 1.0f
) {
1051 viewport
->zscale
= state
->scale
[2];
1052 viewport
->vte_control
|= R300_VPORT_Z_SCALE_ENA
;
1054 if (state
->translate
[0] != 0.0f
) {
1055 viewport
->xoffset
= state
->translate
[0];
1056 viewport
->vte_control
|= R300_VPORT_X_OFFSET_ENA
;
1058 if (state
->translate
[1] != 0.0f
) {
1059 viewport
->yoffset
= state
->translate
[1];
1060 viewport
->vte_control
|= R300_VPORT_Y_OFFSET_ENA
;
1062 if (state
->translate
[2] != 0.0f
) {
1063 viewport
->zoffset
= state
->translate
[2];
1064 viewport
->vte_control
|= R300_VPORT_Z_OFFSET_ENA
;
1067 r300
->viewport_state
.dirty
= TRUE
;
1068 if (r300
->fs
&& r300
->fs
->inputs
.wpos
!= ATTR_UNUSED
) {
1069 r300
->dirty_state
|= R300_NEW_FRAGMENT_SHADER_CONSTANTS
;
1073 static void r300_set_vertex_buffers(struct pipe_context
* pipe
,
1075 const struct pipe_vertex_buffer
* buffers
)
1077 struct r300_context
* r300
= r300_context(pipe
);
1078 struct pipe_vertex_buffer
*vbo
;
1079 unsigned i
, max_index
= (1 << 24) - 1;
1080 boolean any_user_buffer
= FALSE
;
1082 if (count
== r300
->vertex_buffer_count
&&
1083 memcmp(r300
->vertex_buffer
, buffers
,
1084 sizeof(struct pipe_vertex_buffer
) * count
) == 0) {
1088 /* Check if the stride is aligned to the size of DWORD. */
1089 for (i
= 0; i
< count
; i
++) {
1090 if (buffers
[i
].buffer
) {
1091 if (buffers
[i
].stride
% 4 != 0) {
1092 // XXX Shouldn't we align the buffer?
1093 fprintf(stderr
, "r300_set_vertex_buffers: "
1094 "Unaligned buffer stride %i isn't supported.\n",
1102 for (i
= 0; i
< count
; i
++) {
1103 /* Why, yes, I AM casting away constness. How did you know? */
1104 vbo
= (struct pipe_vertex_buffer
*)&buffers
[i
];
1106 /* Reference our buffer. */
1107 pipe_buffer_reference(&r300
->vertex_buffer
[i
].buffer
, vbo
->buffer
);
1109 /* Skip NULL buffers */
1110 if (!buffers
[i
].buffer
) {
1114 if (r300_buffer_is_user_buffer(vbo
->buffer
)) {
1115 any_user_buffer
= TRUE
;
1118 if (vbo
->max_index
== ~0) {
1119 /* Bogus value from broken state tracker; hax it. */
1121 (vbo
->buffer
->size
- vbo
->buffer_offset
) / vbo
->stride
;
1124 max_index
= MIN2(vbo
->max_index
, max_index
);
1127 for (; i
< r300
->vertex_buffer_count
; i
++) {
1128 /* Dereference any old buffers. */
1129 pipe_buffer_reference(&r300
->vertex_buffer
[i
].buffer
, NULL
);
1132 memcpy(r300
->vertex_buffer
, buffers
,
1133 sizeof(struct pipe_vertex_buffer
) * count
);
1135 r300
->vertex_buffer_count
= count
;
1136 r300
->vertex_buffer_max_index
= max_index
;
1137 r300
->any_user_vbs
= any_user_buffer
;
1140 draw_flush(r300
->draw
);
1141 draw_set_vertex_buffers(r300
->draw
, count
, buffers
);
1145 /* Update the PSC tables. */
1146 static void r300_vertex_psc(struct r300_vertex_element_state
*velems
)
1148 struct r300_vertex_stream_state
*vstream
= &velems
->vertex_stream
;
1149 uint16_t type
, swizzle
;
1150 enum pipe_format format
;
1153 assert(velems
->count
<= 16);
1155 /* Vertex shaders have no semantics on their inputs,
1156 * so PSC should just route stuff based on the vertex elements,
1157 * and not on attrib information. */
1158 for (i
= 0; i
< velems
->count
; i
++) {
1159 format
= velems
->velem
[i
].src_format
;
1161 type
= r300_translate_vertex_data_type(format
) |
1162 (i
<< R300_DST_VEC_LOC_SHIFT
);
1163 swizzle
= r300_translate_vertex_data_swizzle(format
);
1166 vstream
->vap_prog_stream_cntl
[i
>> 1] |= type
<< 16;
1167 vstream
->vap_prog_stream_cntl_ext
[i
>> 1] |= swizzle
<< 16;
1169 vstream
->vap_prog_stream_cntl
[i
>> 1] |= type
;
1170 vstream
->vap_prog_stream_cntl_ext
[i
>> 1] |= swizzle
;
1174 /* Set the last vector in the PSC. */
1178 vstream
->vap_prog_stream_cntl
[i
>> 1] |=
1179 (R300_LAST_VEC
<< (i
& 1 ? 16 : 0));
1181 vstream
->count
= (i
>> 1) + 1;
1184 static void* r300_create_vertex_elements_state(struct pipe_context
* pipe
,
1186 const struct pipe_vertex_element
* attribs
)
1188 struct r300_screen
* r300screen
= r300_screen(pipe
->screen
);
1189 struct r300_vertex_element_state
*velems
;
1192 assert(count
<= PIPE_MAX_ATTRIBS
);
1193 velems
= CALLOC_STRUCT(r300_vertex_element_state
);
1194 if (velems
!= NULL
) {
1195 velems
->count
= count
;
1196 memcpy(velems
->velem
, attribs
, sizeof(struct pipe_vertex_element
) * count
);
1198 if (r300screen
->caps
->has_tcl
) {
1199 /* Check if the format is aligned to the size of DWORD. */
1200 for (i
= 0; i
< count
; i
++) {
1201 size
= util_format_get_blocksize(attribs
[i
].src_format
);
1203 if (size
% 4 != 0) {
1204 /* XXX Shouldn't we align the format? */
1205 fprintf(stderr
, "r300_create_vertex_elements_state: "
1206 "Unaligned format %s:%i isn't supported\n",
1207 util_format_name(attribs
[i
].src_format
), size
);
1213 r300_vertex_psc(velems
);
1219 static void r300_bind_vertex_elements_state(struct pipe_context
*pipe
,
1222 struct r300_context
*r300
= r300_context(pipe
);
1223 struct r300_vertex_element_state
*velems
= state
;
1225 if (velems
== NULL
) {
1229 r300
->velems
= velems
;
1232 draw_flush(r300
->draw
);
1233 draw_set_vertex_elements(r300
->draw
, velems
->count
, velems
->velem
);
1236 UPDATE_STATE(&velems
->vertex_stream
, r300
->vertex_stream_state
);
1237 r300
->vertex_stream_state
.size
= (1 + velems
->vertex_stream
.count
) * 2;
1240 static void r300_delete_vertex_elements_state(struct pipe_context
*pipe
, void *state
)
1245 static void* r300_create_vs_state(struct pipe_context
* pipe
,
1246 const struct pipe_shader_state
* shader
)
1248 struct r300_context
* r300
= r300_context(pipe
);
1250 struct r300_vertex_shader
* vs
= CALLOC_STRUCT(r300_vertex_shader
);
1251 r300_vertex_shader_common_init(vs
, shader
);
1253 if (r300_screen(pipe
->screen
)->caps
->has_tcl
) {
1254 r300_translate_vertex_shader(r300
, vs
);
1256 vs
->draw_vs
= draw_create_vertex_shader(r300
->draw
, shader
);
1262 static void r300_bind_vs_state(struct pipe_context
* pipe
, void* shader
)
1264 struct r300_context
* r300
= r300_context(pipe
);
1265 struct r300_vertex_shader
* vs
= (struct r300_vertex_shader
*)shader
;
1268 r300
->vs_state
.state
= NULL
;
1271 if (vs
== r300
->vs_state
.state
) {
1274 r300
->vs_state
.state
= vs
;
1276 // VS output mapping for HWTCL or stream mapping for SWTCL to the RS block
1278 r300_vertex_shader_setup_wpos(r300
);
1280 memcpy(r300
->vap_output_state
.state
, &vs
->vap_out
,
1281 sizeof(struct r300_vap_output_state
));
1282 r300
->vap_output_state
.dirty
= TRUE
;
1284 /* The majority of the RS block bits is dependent on the vertex shader. */
1285 r300
->rs_block_state
.dirty
= TRUE
; /* Will be updated before the emission. */
1287 if (r300_screen(pipe
->screen
)->caps
->has_tcl
) {
1288 r300
->vs_state
.dirty
= TRUE
;
1289 r300
->vs_state
.size
= vs
->code
.length
+ 9;
1291 r300
->pvs_flush
.dirty
= TRUE
;
1293 r300
->dirty_state
|= R300_NEW_VERTEX_SHADER_CONSTANTS
;
1295 draw_flush(r300
->draw
);
1296 draw_bind_vertex_shader(r300
->draw
,
1297 (struct draw_vertex_shader
*)vs
->draw_vs
);
1301 static void r300_delete_vs_state(struct pipe_context
* pipe
, void* shader
)
1303 struct r300_context
* r300
= r300_context(pipe
);
1304 struct r300_vertex_shader
* vs
= (struct r300_vertex_shader
*)shader
;
1306 if (r300_screen(pipe
->screen
)->caps
->has_tcl
) {
1307 rc_constants_destroy(&vs
->code
.constants
);
1309 draw_delete_vertex_shader(r300
->draw
,
1310 (struct draw_vertex_shader
*)vs
->draw_vs
);
1313 FREE((void*)vs
->state
.tokens
);
1317 static void r300_set_constant_buffer(struct pipe_context
*pipe
,
1318 uint shader
, uint index
,
1319 struct pipe_buffer
*buf
)
1321 struct r300_context
* r300
= r300_context(pipe
);
1322 struct r300_screen
*r300screen
= r300_screen(pipe
->screen
);
1326 if (buf
== NULL
|| buf
->size
== 0 ||
1327 (mapped
= pipe_buffer_map(pipe
->screen
, buf
, PIPE_BUFFER_USAGE_CPU_READ
)) == NULL
)
1329 r300
->shader_constants
[shader
].count
= 0;
1333 assert((buf
->size
% 4 * sizeof(float)) == 0);
1335 /* Check the size of the constant buffer. */
1337 case PIPE_SHADER_VERTEX
:
1340 case PIPE_SHADER_FRAGMENT
:
1341 if (r300screen
->caps
->is_r500
) {
1343 /* XXX Implement emission of r400's extended constant buffer. */
1344 /*} else if (r300screen->caps->is_r400) {
1354 /* XXX Subtract immediates and RC_STATE_* variables. */
1355 if (buf
->size
> (sizeof(float) * 4 * max_size
)) {
1356 fprintf(stderr
, "r300: Max size of the constant buffer is "
1357 "%i*4 floats.\n", max_size
);
1361 memcpy(r300
->shader_constants
[shader
].constants
, mapped
, buf
->size
);
1362 r300
->shader_constants
[shader
].count
= buf
->size
/ (4 * sizeof(float));
1363 pipe_buffer_unmap(pipe
->screen
, buf
);
1365 if (shader
== PIPE_SHADER_VERTEX
) {
1366 if (r300screen
->caps
->has_tcl
) {
1367 r300
->dirty_state
|= R300_NEW_VERTEX_SHADER_CONSTANTS
;
1368 r300
->pvs_flush
.dirty
= TRUE
;
1369 } else if (r300
->draw
) {
1370 draw_set_mapped_constant_buffer(r300
->draw
, PIPE_SHADER_VERTEX
,
1371 0, r300
->shader_constants
[PIPE_SHADER_VERTEX
].constants
,
1374 } else if (shader
== PIPE_SHADER_FRAGMENT
) {
1375 r300
->dirty_state
|= R300_NEW_FRAGMENT_SHADER_CONSTANTS
;
1379 void r300_init_state_functions(struct r300_context
* r300
)
1381 r300
->context
.create_blend_state
= r300_create_blend_state
;
1382 r300
->context
.bind_blend_state
= r300_bind_blend_state
;
1383 r300
->context
.delete_blend_state
= r300_delete_blend_state
;
1385 r300
->context
.set_blend_color
= r300_set_blend_color
;
1387 r300
->context
.set_clip_state
= r300_set_clip_state
;
1389 r300
->context
.set_constant_buffer
= r300_set_constant_buffer
;
1391 r300
->context
.create_depth_stencil_alpha_state
= r300_create_dsa_state
;
1392 r300
->context
.bind_depth_stencil_alpha_state
= r300_bind_dsa_state
;
1393 r300
->context
.delete_depth_stencil_alpha_state
= r300_delete_dsa_state
;
1395 r300
->context
.set_stencil_ref
= r300_set_stencil_ref
;
1397 r300
->context
.set_framebuffer_state
= r300_set_framebuffer_state
;
1399 r300
->context
.create_fs_state
= r300_create_fs_state
;
1400 r300
->context
.bind_fs_state
= r300_bind_fs_state
;
1401 r300
->context
.delete_fs_state
= r300_delete_fs_state
;
1403 r300
->context
.set_polygon_stipple
= r300_set_polygon_stipple
;
1405 r300
->context
.create_rasterizer_state
= r300_create_rs_state
;
1406 r300
->context
.bind_rasterizer_state
= r300_bind_rs_state
;
1407 r300
->context
.delete_rasterizer_state
= r300_delete_rs_state
;
1409 r300
->context
.create_sampler_state
= r300_create_sampler_state
;
1410 r300
->context
.bind_fragment_sampler_states
= r300_bind_sampler_states
;
1411 r300
->context
.bind_vertex_sampler_states
= r300_lacks_vertex_textures
;
1412 r300
->context
.delete_sampler_state
= r300_delete_sampler_state
;
1414 r300
->context
.set_fragment_sampler_views
= r300_set_fragment_sampler_views
;
1415 r300
->context
.create_sampler_view
= r300_create_sampler_view
;
1416 r300
->context
.sampler_view_destroy
= r300_sampler_view_destroy
;
1418 r300
->context
.set_scissor_state
= r300_set_scissor_state
;
1420 r300
->context
.set_viewport_state
= r300_set_viewport_state
;
1422 r300
->context
.set_vertex_buffers
= r300_set_vertex_buffers
;
1424 r300
->context
.create_vertex_elements_state
= r300_create_vertex_elements_state
;
1425 r300
->context
.bind_vertex_elements_state
= r300_bind_vertex_elements_state
;
1426 r300
->context
.delete_vertex_elements_state
= r300_delete_vertex_elements_state
;
1428 r300
->context
.create_vs_state
= r300_create_vs_state
;
1429 r300
->context
.bind_vs_state
= r300_bind_vs_state
;
1430 r300
->context
.delete_vs_state
= r300_delete_vs_state
;