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 blend
->dither
= R300_RB3D_DITHER_CTL_DITHER_MODE_LUT
|
325 R300_RB3D_DITHER_CTL_ALPHA_DITHER_MODE_LUT
;
331 /* Bind blend state. */
332 static void r300_bind_blend_state(struct pipe_context
* pipe
,
335 struct r300_context
* r300
= r300_context(pipe
);
337 UPDATE_STATE(state
, r300
->blend_state
);
340 /* Free blend state. */
341 static void r300_delete_blend_state(struct pipe_context
* pipe
,
347 /* Convert float to 10bit integer */
348 static unsigned float_to_fixed10(float f
)
350 return CLAMP((unsigned)(f
* 1023.9f
), 0, 1023);
354 * Setup both R300 and R500 registers, figure out later which one to write. */
355 static void r300_set_blend_color(struct pipe_context
* pipe
,
356 const struct pipe_blend_color
* color
)
358 struct r300_context
* r300
= r300_context(pipe
);
359 struct r300_screen
* r300screen
= r300_screen(pipe
->screen
);
360 struct r300_blend_color_state
* state
=
361 (struct r300_blend_color_state
*)r300
->blend_color_state
.state
;
364 util_pack_color(color
->color
, PIPE_FORMAT_B8G8R8A8_UNORM
, &uc
);
365 state
->blend_color
= uc
.ui
;
367 /* XXX if FP16 blending is enabled, we should use the FP16 format */
368 state
->blend_color_red_alpha
=
369 float_to_fixed10(color
->color
[0]) |
370 (float_to_fixed10(color
->color
[3]) << 16);
371 state
->blend_color_green_blue
=
372 float_to_fixed10(color
->color
[2]) |
373 (float_to_fixed10(color
->color
[1]) << 16);
375 r300
->blend_color_state
.size
= r300screen
->caps
->is_r500
? 3 : 2;
376 r300
->blend_color_state
.dirty
= TRUE
;
379 static void r300_set_clip_state(struct pipe_context
* pipe
,
380 const struct pipe_clip_state
* state
)
382 struct r300_context
* r300
= r300_context(pipe
);
386 if (r300_screen(pipe
->screen
)->caps
->has_tcl
) {
387 memcpy(r300
->clip_state
.state
, state
, sizeof(struct pipe_clip_state
));
388 r300
->clip_state
.size
= 29;
390 draw_flush(r300
->draw
);
391 draw_set_clip_state(r300
->draw
, state
);
392 r300
->clip_state
.size
= 2;
395 r300
->clip_state
.dirty
= TRUE
;
398 /* Create a new depth, stencil, and alpha state based on the CSO dsa state.
400 * This contains the depth buffer, stencil buffer, alpha test, and such.
401 * On the Radeon, depth and stencil buffer setup are intertwined, which is
402 * the reason for some of the strange-looking assignments across registers. */
404 r300_create_dsa_state(struct pipe_context
* pipe
,
405 const struct pipe_depth_stencil_alpha_state
* state
)
407 struct r300_capabilities
*caps
=
408 r300_screen(r300_context(pipe
)->context
.screen
)->caps
;
409 struct r300_dsa_state
* dsa
= CALLOC_STRUCT(r300_dsa_state
);
411 /* Depth test setup. */
412 if (state
->depth
.enabled
) {
413 dsa
->z_buffer_control
|= R300_Z_ENABLE
;
415 if (state
->depth
.writemask
) {
416 dsa
->z_buffer_control
|= R300_Z_WRITE_ENABLE
;
419 dsa
->z_stencil_control
|=
420 (r300_translate_depth_stencil_function(state
->depth
.func
) <<
424 /* Stencil buffer setup. */
425 if (state
->stencil
[0].enabled
) {
426 dsa
->z_buffer_control
|= R300_STENCIL_ENABLE
;
427 dsa
->z_stencil_control
|=
428 (r300_translate_depth_stencil_function(state
->stencil
[0].func
) <<
429 R300_S_FRONT_FUNC_SHIFT
) |
430 (r300_translate_stencil_op(state
->stencil
[0].fail_op
) <<
431 R300_S_FRONT_SFAIL_OP_SHIFT
) |
432 (r300_translate_stencil_op(state
->stencil
[0].zpass_op
) <<
433 R300_S_FRONT_ZPASS_OP_SHIFT
) |
434 (r300_translate_stencil_op(state
->stencil
[0].zfail_op
) <<
435 R300_S_FRONT_ZFAIL_OP_SHIFT
);
437 dsa
->stencil_ref_mask
=
438 (state
->stencil
[0].valuemask
<< R300_STENCILMASK_SHIFT
) |
439 (state
->stencil
[0].writemask
<< R300_STENCILWRITEMASK_SHIFT
);
441 if (state
->stencil
[1].enabled
) {
442 dsa
->z_buffer_control
|= R300_STENCIL_FRONT_BACK
;
443 dsa
->z_stencil_control
|=
444 (r300_translate_depth_stencil_function(state
->stencil
[1].func
) <<
445 R300_S_BACK_FUNC_SHIFT
) |
446 (r300_translate_stencil_op(state
->stencil
[1].fail_op
) <<
447 R300_S_BACK_SFAIL_OP_SHIFT
) |
448 (r300_translate_stencil_op(state
->stencil
[1].zpass_op
) <<
449 R300_S_BACK_ZPASS_OP_SHIFT
) |
450 (r300_translate_stencil_op(state
->stencil
[1].zfail_op
) <<
451 R300_S_BACK_ZFAIL_OP_SHIFT
);
455 dsa
->z_buffer_control
|= R500_STENCIL_REFMASK_FRONT_BACK
;
456 dsa
->stencil_ref_bf
=
457 (state
->stencil
[1].valuemask
<<
458 R300_STENCILMASK_SHIFT
) |
459 (state
->stencil
[1].writemask
<<
460 R300_STENCILWRITEMASK_SHIFT
);
465 /* Alpha test setup. */
466 if (state
->alpha
.enabled
) {
467 dsa
->alpha_function
=
468 r300_translate_alpha_function(state
->alpha
.func
) |
469 R300_FG_ALPHA_FUNC_ENABLE
;
471 /* We could use 10bit alpha ref but who needs that? */
472 dsa
->alpha_function
|= float_to_ubyte(state
->alpha
.ref_value
);
475 dsa
->alpha_function
|= R500_FG_ALPHA_FUNC_8BIT
;
481 /* Bind DSA state. */
482 static void r300_bind_dsa_state(struct pipe_context
* pipe
,
485 struct r300_context
* r300
= r300_context(pipe
);
487 UPDATE_STATE(state
, r300
->dsa_state
);
490 /* Free DSA state. */
491 static void r300_delete_dsa_state(struct pipe_context
* pipe
,
497 static void r300_set_stencil_ref(struct pipe_context
* pipe
,
498 const struct pipe_stencil_ref
* sr
)
500 struct r300_context
* r300
= r300_context(pipe
);
501 r300
->stencil_ref
= *sr
;
502 r300
->dsa_state
.dirty
= TRUE
;
505 /* This switcheroo is needed just because of goddamned MACRO_SWITCH. */
506 static void r300_fb_update_tiling_flags(struct r300_context
*r300
,
507 const struct pipe_framebuffer_state
*old_state
,
508 const struct pipe_framebuffer_state
*new_state
)
510 struct r300_texture
*tex
;
511 unsigned i
, j
, level
;
513 /* Reset tiling flags for old surfaces to default values. */
514 for (i
= 0; i
< old_state
->nr_cbufs
; i
++) {
515 for (j
= 0; j
< new_state
->nr_cbufs
; j
++) {
516 if (old_state
->cbufs
[i
]->texture
== new_state
->cbufs
[j
]->texture
) {
520 /* If not binding the surface again... */
521 if (j
!= new_state
->nr_cbufs
) {
525 tex
= (struct r300_texture
*)old_state
->cbufs
[i
]->texture
;
528 r300
->rws
->buffer_set_tiling(r300
->rws
, tex
->buffer
,
534 if (old_state
->zsbuf
&&
535 (!new_state
->zsbuf
||
536 old_state
->zsbuf
->texture
!= new_state
->zsbuf
->texture
)) {
537 tex
= (struct r300_texture
*)old_state
->zsbuf
->texture
;
540 r300
->rws
->buffer_set_tiling(r300
->rws
, tex
->buffer
,
547 /* Set tiling flags for new surfaces. */
548 for (i
= 0; i
< new_state
->nr_cbufs
; i
++) {
549 tex
= (struct r300_texture
*)new_state
->cbufs
[i
]->texture
;
550 level
= new_state
->cbufs
[i
]->level
;
552 r300
->rws
->buffer_set_tiling(r300
->rws
, tex
->buffer
,
555 tex
->mip_macrotile
[level
]);
557 if (new_state
->zsbuf
) {
558 tex
= (struct r300_texture
*)new_state
->zsbuf
->texture
;
559 level
= new_state
->zsbuf
->level
;
561 r300
->rws
->buffer_set_tiling(r300
->rws
, tex
->buffer
,
564 tex
->mip_macrotile
[level
]);
569 r300_set_framebuffer_state(struct pipe_context
* pipe
,
570 const struct pipe_framebuffer_state
* state
)
572 struct r300_context
* r300
= r300_context(pipe
);
573 struct r300_screen
* r300screen
= r300_screen(pipe
->screen
);
574 struct pipe_framebuffer_state
*old_state
= r300
->fb_state
.state
;
575 unsigned max_width
, max_height
;
576 uint32_t zbuffer_bpp
= 0;
579 if (state
->nr_cbufs
> 4) {
580 debug_printf("r300: Implementation error: Too many MRTs in %s, "
581 "refusing to bind framebuffer state!\n", __FUNCTION__
);
585 if (r300screen
->caps
->is_r500
) {
586 max_width
= max_height
= 4096;
587 } else if (r300screen
->caps
->is_r400
) {
588 max_width
= max_height
= 4021;
590 max_width
= max_height
= 2560;
593 if (state
->width
> max_width
|| state
->height
> max_height
) {
594 debug_printf("r300: Implementation error: Render targets are too "
595 "big in %s, refusing to bind framebuffer state!\n", __FUNCTION__
);
600 draw_flush(r300
->draw
);
603 r300
->fb_state
.dirty
= TRUE
;
605 /* If nr_cbufs is changed from zero to non-zero or vice versa... */
606 if (!!old_state
->nr_cbufs
!= !!state
->nr_cbufs
) {
607 r300
->blend_state
.dirty
= TRUE
;
609 /* If zsbuf is set from NULL to non-NULL or vice versa.. */
610 if (!!old_state
->zsbuf
!= !!state
->zsbuf
) {
611 r300
->dsa_state
.dirty
= TRUE
;
613 if (!r300
->scissor_enabled
) {
614 r300
->scissor_state
.dirty
= TRUE
;
617 r300_fb_update_tiling_flags(r300
, r300
->fb_state
.state
, state
);
619 memcpy(r300
->fb_state
.state
, state
, sizeof(struct pipe_framebuffer_state
));
621 r300
->fb_state
.size
= (10 * state
->nr_cbufs
) + (2 * (4 - state
->nr_cbufs
)) +
622 (state
->zsbuf
? 10 : 0) + 8;
624 /* Polygon offset depends on the zbuffer bit depth. */
625 if (state
->zsbuf
&& r300
->polygon_offset_enabled
) {
626 switch (util_format_get_blocksize(state
->zsbuf
->texture
->format
)) {
635 if (r300
->zbuffer_bpp
!= zbuffer_bpp
) {
636 r300
->zbuffer_bpp
= zbuffer_bpp
;
637 r300
->rs_state
.dirty
= TRUE
;
642 /* Create fragment shader state. */
643 static void* r300_create_fs_state(struct pipe_context
* pipe
,
644 const struct pipe_shader_state
* shader
)
646 struct r300_fragment_shader
* fs
= NULL
;
648 fs
= (struct r300_fragment_shader
*)CALLOC_STRUCT(r300_fragment_shader
);
650 /* Copy state directly into shader. */
652 fs
->state
.tokens
= tgsi_dup_tokens(shader
->tokens
);
654 tgsi_scan_shader(shader
->tokens
, &fs
->info
);
655 r300_shader_read_fs_inputs(&fs
->info
, &fs
->inputs
);
660 /* Bind fragment shader state. */
661 static void r300_bind_fs_state(struct pipe_context
* pipe
, void* shader
)
663 struct r300_context
* r300
= r300_context(pipe
);
664 struct r300_fragment_shader
* fs
= (struct r300_fragment_shader
*)shader
;
672 r300_pick_fragment_shader(r300
);
674 r300
->rs_block_state
.dirty
= TRUE
; /* Will be updated before the emission. */
676 if (r300
->vs_state
.state
&& r300_vertex_shader_setup_wpos(r300
)) {
677 r300
->vap_output_state
.dirty
= TRUE
;
680 r300
->dirty_state
|= R300_NEW_FRAGMENT_SHADER
| R300_NEW_FRAGMENT_SHADER_CONSTANTS
;
683 /* Delete fragment shader state. */
684 static void r300_delete_fs_state(struct pipe_context
* pipe
, void* shader
)
686 struct r300_fragment_shader
* fs
= (struct r300_fragment_shader
*)shader
;
687 struct r300_fragment_shader_code
*tmp
, *ptr
= fs
->first
;
692 rc_constants_destroy(&tmp
->code
.constants
);
695 FREE((void*)fs
->state
.tokens
);
699 static void r300_set_polygon_stipple(struct pipe_context
* pipe
,
700 const struct pipe_poly_stipple
* state
)
702 /* XXX no idea how to set this up, but not terribly important */
705 /* Create a new rasterizer state based on the CSO rasterizer state.
707 * This is a very large chunk of state, and covers most of the graphics
708 * backend (GB), geometry assembly (GA), and setup unit (SU) blocks.
710 * In a not entirely unironic sidenote, this state has nearly nothing to do
711 * with the actual block on the Radeon called the rasterizer (RS). */
712 static void* r300_create_rs_state(struct pipe_context
* pipe
,
713 const struct pipe_rasterizer_state
* state
)
715 struct r300_screen
* r300screen
= r300_screen(pipe
->screen
);
716 struct r300_rs_state
* rs
= CALLOC_STRUCT(r300_rs_state
);
717 unsigned coord_index
;
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
;
811 if (state
->sprite_coord_enable
) {
812 coord_index
= ffs(state
->sprite_coord_enable
)-1;
814 SCREEN_DBG(r300screen
, DBG_DRAW
,
815 "r300: point sprite: shader coord=%d\n", coord_index
);
817 rs
->stuffing_enable
=
818 R300_GB_POINT_STUFF_ENABLE
|
819 R300_GB_TEX_ST
<< (R300_GB_TEX0_SOURCE_SHIFT
+ (coord_index
*2));
821 rs
->point_texcoord_left
= 0.0f
;
822 rs
->point_texcoord_right
= 1.0f
;
824 switch (state
->sprite_coord_mode
) {
825 case PIPE_SPRITE_COORD_UPPER_LEFT
:
826 rs
->point_texcoord_top
= 0.0f
;
827 rs
->point_texcoord_bottom
= 1.0f
;
829 case PIPE_SPRITE_COORD_LOWER_LEFT
:
830 rs
->point_texcoord_top
= 1.0f
;
831 rs
->point_texcoord_bottom
= 0.0f
;
839 /* Bind rasterizer state. */
840 static void r300_bind_rs_state(struct pipe_context
* pipe
, void* state
)
842 struct r300_context
* r300
= r300_context(pipe
);
843 struct r300_rs_state
* rs
= (struct r300_rs_state
*)state
;
844 boolean scissor_was_enabled
= r300
->scissor_enabled
;
845 int last_sprite_coord_index
= r300
->sprite_coord_index
;
848 draw_flush(r300
->draw
);
849 draw_set_rasterizer_state(r300
->draw
, &rs
->rs
);
853 r300
->polygon_offset_enabled
= rs
->rs
.offset_cw
|| rs
->rs
.offset_ccw
;
854 r300
->scissor_enabled
= rs
->rs
.scissor
;
855 r300
->sprite_coord_index
= ffs(rs
->rs
.sprite_coord_enable
)-1;
857 r300
->polygon_offset_enabled
= FALSE
;
858 r300
->scissor_enabled
= FALSE
;
859 r300
->sprite_coord_index
= -1;
862 UPDATE_STATE(state
, r300
->rs_state
);
863 r300
->rs_state
.size
= 24 + (r300
->polygon_offset_enabled
? 5 : 0);
865 if (scissor_was_enabled
!= r300
->scissor_enabled
) {
866 r300
->scissor_state
.dirty
= TRUE
;
868 if (last_sprite_coord_index
!= r300
->sprite_coord_index
) {
869 r300
->rs_block_state
.dirty
= TRUE
;
873 /* Free rasterizer state. */
874 static void r300_delete_rs_state(struct pipe_context
* pipe
, void* state
)
880 r300_create_sampler_state(struct pipe_context
* pipe
,
881 const struct pipe_sampler_state
* state
)
883 struct r300_context
* r300
= r300_context(pipe
);
884 struct r300_sampler_state
* sampler
= CALLOC_STRUCT(r300_sampler_state
);
885 boolean is_r500
= r300_screen(pipe
->screen
)->caps
->is_r500
;
889 sampler
->state
= *state
;
892 (r300_translate_wrap(state
->wrap_s
) << R300_TX_WRAP_S_SHIFT
) |
893 (r300_translate_wrap(state
->wrap_t
) << R300_TX_WRAP_T_SHIFT
) |
894 (r300_translate_wrap(state
->wrap_r
) << R300_TX_WRAP_R_SHIFT
);
896 sampler
->filter0
|= r300_translate_tex_filters(state
->min_img_filter
,
897 state
->mag_img_filter
,
898 state
->min_mip_filter
,
899 state
->max_anisotropy
> 0);
901 sampler
->filter0
|= r300_anisotropy(state
->max_anisotropy
);
903 /* Unfortunately, r300-r500 don't support floating-point mipmap lods. */
904 /* We must pass these to the merge function to clamp them properly. */
905 sampler
->min_lod
= MAX2((unsigned)state
->min_lod
, 0);
906 sampler
->max_lod
= MAX2((unsigned)ceilf(state
->max_lod
), 0);
908 lod_bias
= CLAMP((int)(state
->lod_bias
* 32), -(1 << 9), (1 << 9) - 1);
910 sampler
->filter1
|= lod_bias
<< R300_LOD_BIAS_SHIFT
;
912 /* This is very high quality anisotropic filtering for R5xx.
913 * It's good for benchmarking the performance of texturing but
914 * in practice we don't want to slow down the driver because it's
915 * a pretty good performance killer. Feel free to play with it. */
916 if (DBG_ON(r300
, DBG_ANISOHQ
) && is_r500
) {
917 sampler
->filter1
|= r500_anisotropy(state
->max_anisotropy
);
920 util_pack_color(state
->border_color
, PIPE_FORMAT_B8G8R8A8_UNORM
, &uc
);
921 sampler
->border_color
= uc
.ui
;
923 /* R500-specific fixups and optimizations */
924 if (r300_screen(r300
->context
.screen
)->caps
->is_r500
) {
925 sampler
->filter1
|= R500_BORDER_FIX
;
928 return (void*)sampler
;
931 static void r300_bind_sampler_states(struct pipe_context
* pipe
,
935 struct r300_context
* r300
= r300_context(pipe
);
936 struct r300_textures_state
* state
=
937 (struct r300_textures_state
*)r300
->textures_state
.state
;
943 memcpy(state
->sampler_states
, states
, sizeof(void*) * count
);
944 state
->sampler_count
= count
;
946 r300
->textures_state
.dirty
= TRUE
;
948 /* Pick a fragment shader based on the texture compare state. */
949 if (r300
->fs
&& count
) {
950 if (r300_pick_fragment_shader(r300
)) {
951 r300
->dirty_state
|= R300_NEW_FRAGMENT_SHADER
|
952 R300_NEW_FRAGMENT_SHADER_CONSTANTS
;
957 static void r300_lacks_vertex_textures(struct pipe_context
* pipe
,
963 static void r300_delete_sampler_state(struct pipe_context
* pipe
, void* state
)
968 static void r300_set_fragment_sampler_views(struct pipe_context
* pipe
,
970 struct pipe_sampler_view
** views
)
972 struct r300_context
* r300
= r300_context(pipe
);
973 struct r300_textures_state
* state
=
974 (struct r300_textures_state
*)r300
->textures_state
.state
;
975 struct r300_texture
*texture
;
977 boolean is_r500
= r300_screen(r300
->context
.screen
)->caps
->is_r500
;
978 boolean dirty_tex
= FALSE
;
985 for (i
= 0; i
< count
; i
++) {
986 if (state
->fragment_sampler_views
[i
] != views
[i
]) {
987 pipe_sampler_view_reference(&state
->fragment_sampler_views
[i
],
994 /* A new sampler view (= texture)... */
997 /* R300-specific - set the texrect factor in the fragment shader */
998 texture
= (struct r300_texture
*)views
[i
]->texture
;
999 if (!is_r500
&& texture
->is_npot
) {
1000 /* XXX It would be nice to re-emit just 1 constant,
1001 * XXX not all of them */
1002 r300
->dirty_state
|= R300_NEW_FRAGMENT_SHADER_CONSTANTS
;
1007 for (i
= count
; i
< 8; i
++) {
1008 if (state
->fragment_sampler_views
[i
]) {
1009 pipe_sampler_view_reference(&state
->fragment_sampler_views
[i
],
1014 state
->texture_count
= count
;
1016 r300
->textures_state
.dirty
= TRUE
;
1019 r300
->texture_cache_inval
.dirty
= TRUE
;
1023 static struct pipe_sampler_view
*
1024 r300_create_sampler_view(struct pipe_context
*pipe
,
1025 struct pipe_texture
*texture
,
1026 const struct pipe_sampler_view
*templ
)
1028 struct pipe_sampler_view
*view
= CALLOC_STRUCT(pipe_sampler_view
);
1032 view
->reference
.count
= 1;
1033 view
->texture
= NULL
;
1034 pipe_texture_reference(&view
->texture
, texture
);
1035 view
->context
= pipe
;
1042 r300_sampler_view_destroy(struct pipe_context
*pipe
,
1043 struct pipe_sampler_view
*view
)
1045 pipe_texture_reference(&view
->texture
, NULL
);
1049 static void r300_set_scissor_state(struct pipe_context
* pipe
,
1050 const struct pipe_scissor_state
* state
)
1052 struct r300_context
* r300
= r300_context(pipe
);
1054 memcpy(r300
->scissor_state
.state
, state
,
1055 sizeof(struct pipe_scissor_state
));
1057 if (r300
->scissor_enabled
) {
1058 r300
->scissor_state
.dirty
= TRUE
;
1062 static void r300_set_viewport_state(struct pipe_context
* pipe
,
1063 const struct pipe_viewport_state
* state
)
1065 struct r300_context
* r300
= r300_context(pipe
);
1066 struct r300_viewport_state
* viewport
=
1067 (struct r300_viewport_state
*)r300
->viewport_state
.state
;
1069 r300
->viewport
= *state
;
1071 /* Do the transform in HW. */
1072 viewport
->vte_control
= R300_VTX_W0_FMT
;
1074 if (state
->scale
[0] != 1.0f
) {
1075 viewport
->xscale
= state
->scale
[0];
1076 viewport
->vte_control
|= R300_VPORT_X_SCALE_ENA
;
1078 if (state
->scale
[1] != 1.0f
) {
1079 viewport
->yscale
= state
->scale
[1];
1080 viewport
->vte_control
|= R300_VPORT_Y_SCALE_ENA
;
1082 if (state
->scale
[2] != 1.0f
) {
1083 viewport
->zscale
= state
->scale
[2];
1084 viewport
->vte_control
|= R300_VPORT_Z_SCALE_ENA
;
1086 if (state
->translate
[0] != 0.0f
) {
1087 viewport
->xoffset
= state
->translate
[0];
1088 viewport
->vte_control
|= R300_VPORT_X_OFFSET_ENA
;
1090 if (state
->translate
[1] != 0.0f
) {
1091 viewport
->yoffset
= state
->translate
[1];
1092 viewport
->vte_control
|= R300_VPORT_Y_OFFSET_ENA
;
1094 if (state
->translate
[2] != 0.0f
) {
1095 viewport
->zoffset
= state
->translate
[2];
1096 viewport
->vte_control
|= R300_VPORT_Z_OFFSET_ENA
;
1099 r300
->viewport_state
.dirty
= TRUE
;
1100 if (r300
->fs
&& r300
->fs
->inputs
.wpos
!= ATTR_UNUSED
) {
1101 r300
->dirty_state
|= R300_NEW_FRAGMENT_SHADER_CONSTANTS
;
1105 static void r300_set_vertex_buffers(struct pipe_context
* pipe
,
1107 const struct pipe_vertex_buffer
* buffers
)
1109 struct r300_context
* r300
= r300_context(pipe
);
1110 struct pipe_vertex_buffer
*vbo
;
1111 unsigned i
, max_index
= (1 << 24) - 1;
1112 boolean any_user_buffer
= FALSE
;
1114 if (count
== r300
->vertex_buffer_count
&&
1115 memcmp(r300
->vertex_buffer
, buffers
,
1116 sizeof(struct pipe_vertex_buffer
) * count
) == 0) {
1120 /* Check if the stride is aligned to the size of DWORD. */
1121 for (i
= 0; i
< count
; i
++) {
1122 if (buffers
[i
].buffer
) {
1123 if (buffers
[i
].stride
% 4 != 0) {
1124 // XXX Shouldn't we align the buffer?
1125 fprintf(stderr
, "r300_set_vertex_buffers: "
1126 "Unaligned buffer stride %i isn't supported.\n",
1134 for (i
= 0; i
< count
; i
++) {
1135 /* Why, yes, I AM casting away constness. How did you know? */
1136 vbo
= (struct pipe_vertex_buffer
*)&buffers
[i
];
1138 /* Reference our buffer. */
1139 pipe_buffer_reference(&r300
->vertex_buffer
[i
].buffer
, vbo
->buffer
);
1141 /* Skip NULL buffers */
1142 if (!buffers
[i
].buffer
) {
1146 if (r300_buffer_is_user_buffer(vbo
->buffer
)) {
1147 any_user_buffer
= TRUE
;
1150 if (vbo
->max_index
== ~0) {
1151 /* Bogus value from broken state tracker; hax it. */
1153 (vbo
->buffer
->size
- vbo
->buffer_offset
) / vbo
->stride
;
1156 max_index
= MIN2(vbo
->max_index
, max_index
);
1159 for (; i
< r300
->vertex_buffer_count
; i
++) {
1160 /* Dereference any old buffers. */
1161 pipe_buffer_reference(&r300
->vertex_buffer
[i
].buffer
, NULL
);
1164 memcpy(r300
->vertex_buffer
, buffers
,
1165 sizeof(struct pipe_vertex_buffer
) * count
);
1167 r300
->vertex_buffer_count
= count
;
1168 r300
->vertex_buffer_max_index
= max_index
;
1169 r300
->any_user_vbs
= any_user_buffer
;
1172 draw_flush(r300
->draw
);
1173 draw_set_vertex_buffers(r300
->draw
, count
, buffers
);
1177 static void r300_draw_emit_attrib(struct r300_context
* r300
,
1178 enum attrib_emit emit
,
1179 enum interp_mode interp
,
1182 struct r300_vertex_shader
* vs
= r300
->vs_state
.state
;
1183 struct tgsi_shader_info
* info
= &vs
->info
;
1186 output
= draw_find_shader_output(r300
->draw
,
1187 info
->output_semantic_name
[index
],
1188 info
->output_semantic_index
[index
]);
1189 draw_emit_vertex_attr(&r300
->vertex_info
, emit
, interp
, output
);
1192 static void r300_draw_emit_all_attribs(struct r300_context
* r300
)
1194 struct r300_vertex_shader
* vs
= r300
->vs_state
.state
;
1195 struct r300_shader_semantics
* vs_outputs
= &vs
->outputs
;
1199 if (vs_outputs
->pos
!= ATTR_UNUSED
) {
1200 r300_draw_emit_attrib(r300
, EMIT_4F
, INTERP_PERSPECTIVE
,
1207 if (vs_outputs
->psize
!= ATTR_UNUSED
) {
1208 r300_draw_emit_attrib(r300
, EMIT_1F_PSIZE
, INTERP_POS
,
1213 for (i
= 0; i
< ATTR_COLOR_COUNT
; i
++) {
1214 if (vs_outputs
->color
[i
] != ATTR_UNUSED
) {
1215 r300_draw_emit_attrib(r300
, EMIT_4F
, INTERP_LINEAR
,
1216 vs_outputs
->color
[i
]);
1220 /* XXX Back-face colors. */
1222 /* Texture coordinates. */
1224 for (i
= 0; i
< ATTR_GENERIC_COUNT
; i
++) {
1225 if (vs_outputs
->generic
[i
] != ATTR_UNUSED
) {
1226 r300_draw_emit_attrib(r300
, EMIT_4F
, INTERP_PERSPECTIVE
,
1227 vs_outputs
->generic
[i
]);
1232 /* Fog coordinates. */
1233 if (vs_outputs
->fog
!= ATTR_UNUSED
) {
1234 r300_draw_emit_attrib(r300
, EMIT_4F
, INTERP_PERSPECTIVE
,
1240 assert(gen_count
<= 8);
1243 /* Update the PSC tables. */
1244 static void r300_vertex_psc(struct r300_vertex_element_state
*velems
)
1246 struct r300_vertex_stream_state
*vstream
= &velems
->vertex_stream
;
1247 uint16_t type
, swizzle
;
1248 enum pipe_format format
;
1251 assert(velems
->count
<= 16);
1253 /* Vertex shaders have no semantics on their inputs,
1254 * so PSC should just route stuff based on the vertex elements,
1255 * and not on attrib information. */
1256 for (i
= 0; i
< velems
->count
; i
++) {
1257 format
= velems
->velem
[i
].src_format
;
1259 type
= r300_translate_vertex_data_type(format
) |
1260 (i
<< R300_DST_VEC_LOC_SHIFT
);
1261 swizzle
= r300_translate_vertex_data_swizzle(format
);
1264 vstream
->vap_prog_stream_cntl
[i
>> 1] |= type
<< 16;
1265 vstream
->vap_prog_stream_cntl_ext
[i
>> 1] |= swizzle
<< 16;
1267 vstream
->vap_prog_stream_cntl
[i
>> 1] |= type
;
1268 vstream
->vap_prog_stream_cntl_ext
[i
>> 1] |= swizzle
;
1272 /* Set the last vector in the PSC. */
1276 vstream
->vap_prog_stream_cntl
[i
>> 1] |=
1277 (R300_LAST_VEC
<< (i
& 1 ? 16 : 0));
1279 vstream
->count
= (i
>> 1) + 1;
1282 /* Update the PSC tables for SW TCL, using Draw. */
1283 static void r300_swtcl_vertex_psc(struct r300_context
*r300
,
1284 struct r300_vertex_element_state
*velems
)
1286 struct r300_vertex_stream_state
*vstream
= &velems
->vertex_stream
;
1287 struct r300_vertex_shader
* vs
= r300
->vs_state
.state
;
1288 struct vertex_info
* vinfo
= &r300
->vertex_info
;
1289 uint16_t type
, swizzle
;
1290 enum pipe_format format
;
1291 unsigned i
, attrib_count
;
1292 int* vs_output_tab
= vs
->stream_loc_notcl
;
1294 /* For each Draw attribute, route it to the fragment shader according
1295 * to the vs_output_tab. */
1296 attrib_count
= vinfo
->num_attribs
;
1297 DBG(r300
, DBG_DRAW
, "r300: attrib count: %d\n", attrib_count
);
1298 for (i
= 0; i
< attrib_count
; i
++) {
1299 DBG(r300
, DBG_DRAW
, "r300: attrib: offset %d, interp %d, size %d,"
1300 " vs_output_tab %d\n", vinfo
->attrib
[i
].src_index
,
1301 vinfo
->attrib
[i
].interp_mode
, vinfo
->attrib
[i
].emit
,
1305 for (i
= 0; i
< attrib_count
; i
++) {
1306 /* Make sure we have a proper destination for our attribute. */
1307 assert(vs_output_tab
[i
] != -1);
1309 format
= draw_translate_vinfo_format(vinfo
->attrib
[i
].emit
);
1311 /* Obtain the type of data in this attribute. */
1312 type
= r300_translate_vertex_data_type(format
) |
1313 vs_output_tab
[i
] << R300_DST_VEC_LOC_SHIFT
;
1315 /* Obtain the swizzle for this attribute. Note that the default
1316 * swizzle in the hardware is not XYZW! */
1317 swizzle
= r300_translate_vertex_data_swizzle(format
);
1319 /* Add the attribute to the PSC table. */
1321 vstream
->vap_prog_stream_cntl
[i
>> 1] |= type
<< 16;
1322 vstream
->vap_prog_stream_cntl_ext
[i
>> 1] |= swizzle
<< 16;
1324 vstream
->vap_prog_stream_cntl
[i
>> 1] |= type
;
1325 vstream
->vap_prog_stream_cntl_ext
[i
>> 1] |= swizzle
;
1329 /* Set the last vector in the PSC. */
1333 vstream
->vap_prog_stream_cntl
[i
>> 1] |=
1334 (R300_LAST_VEC
<< (i
& 1 ? 16 : 0));
1336 vstream
->count
= (i
>> 1) + 1;
1339 static void* r300_create_vertex_elements_state(struct pipe_context
* pipe
,
1341 const struct pipe_vertex_element
* attribs
)
1343 struct r300_context
*r300
= r300_context(pipe
);
1344 struct r300_screen
* r300screen
= r300_screen(pipe
->screen
);
1345 struct r300_vertex_element_state
*velems
;
1348 assert(count
<= PIPE_MAX_ATTRIBS
);
1349 velems
= CALLOC_STRUCT(r300_vertex_element_state
);
1350 if (velems
!= NULL
) {
1351 velems
->count
= count
;
1352 memcpy(velems
->velem
, attribs
, sizeof(struct pipe_vertex_element
) * count
);
1354 if (r300screen
->caps
->has_tcl
) {
1355 /* Check if the format is aligned to the size of DWORD. */
1356 for (i
= 0; i
< count
; i
++) {
1357 size
= util_format_get_blocksize(attribs
[i
].src_format
);
1359 if (size
% 4 != 0) {
1360 /* XXX Shouldn't we align the format? */
1361 fprintf(stderr
, "r300_create_vertex_elements_state: "
1362 "Unaligned format %s:%i isn't supported\n",
1363 util_format_name(attribs
[i
].src_format
), size
);
1369 r300_vertex_psc(velems
);
1371 memset(&r300
->vertex_info
, 0, sizeof(struct vertex_info
));
1372 r300_draw_emit_all_attribs(r300
);
1373 draw_compute_vertex_size(&r300
->vertex_info
);
1374 r300_swtcl_vertex_psc(r300
, velems
);
1380 static void r300_bind_vertex_elements_state(struct pipe_context
*pipe
,
1383 struct r300_context
*r300
= r300_context(pipe
);
1384 struct r300_vertex_element_state
*velems
= state
;
1386 if (velems
== NULL
) {
1390 r300
->velems
= velems
;
1393 draw_flush(r300
->draw
);
1394 draw_set_vertex_elements(r300
->draw
, velems
->count
, velems
->velem
);
1397 UPDATE_STATE(&velems
->vertex_stream
, r300
->vertex_stream_state
);
1398 r300
->vertex_stream_state
.size
= (1 + velems
->vertex_stream
.count
) * 2;
1401 static void r300_delete_vertex_elements_state(struct pipe_context
*pipe
, void *state
)
1406 static void* r300_create_vs_state(struct pipe_context
* pipe
,
1407 const struct pipe_shader_state
* shader
)
1409 struct r300_context
* r300
= r300_context(pipe
);
1411 struct r300_vertex_shader
* vs
= CALLOC_STRUCT(r300_vertex_shader
);
1412 r300_vertex_shader_common_init(vs
, shader
);
1414 if (r300_screen(pipe
->screen
)->caps
->has_tcl
) {
1415 r300_translate_vertex_shader(r300
, vs
);
1417 vs
->draw_vs
= draw_create_vertex_shader(r300
->draw
, shader
);
1423 static void r300_bind_vs_state(struct pipe_context
* pipe
, void* shader
)
1425 struct r300_context
* r300
= r300_context(pipe
);
1426 struct r300_vertex_shader
* vs
= (struct r300_vertex_shader
*)shader
;
1429 r300
->vs_state
.state
= NULL
;
1432 if (vs
== r300
->vs_state
.state
) {
1435 r300
->vs_state
.state
= vs
;
1437 // VS output mapping for HWTCL or stream mapping for SWTCL to the RS block
1439 r300_vertex_shader_setup_wpos(r300
);
1441 memcpy(r300
->vap_output_state
.state
, &vs
->vap_out
,
1442 sizeof(struct r300_vap_output_state
));
1443 r300
->vap_output_state
.dirty
= TRUE
;
1445 /* The majority of the RS block bits is dependent on the vertex shader. */
1446 r300
->rs_block_state
.dirty
= TRUE
; /* Will be updated before the emission. */
1448 if (r300_screen(pipe
->screen
)->caps
->has_tcl
) {
1449 r300
->vs_state
.dirty
= TRUE
;
1450 r300
->vs_state
.size
= vs
->code
.length
+ 9;
1452 r300
->pvs_flush
.dirty
= TRUE
;
1454 r300
->dirty_state
|= R300_NEW_VERTEX_SHADER_CONSTANTS
;
1456 draw_flush(r300
->draw
);
1457 draw_bind_vertex_shader(r300
->draw
,
1458 (struct draw_vertex_shader
*)vs
->draw_vs
);
1462 static void r300_delete_vs_state(struct pipe_context
* pipe
, void* shader
)
1464 struct r300_context
* r300
= r300_context(pipe
);
1465 struct r300_vertex_shader
* vs
= (struct r300_vertex_shader
*)shader
;
1467 if (r300_screen(pipe
->screen
)->caps
->has_tcl
) {
1468 rc_constants_destroy(&vs
->code
.constants
);
1470 draw_delete_vertex_shader(r300
->draw
,
1471 (struct draw_vertex_shader
*)vs
->draw_vs
);
1474 FREE((void*)vs
->state
.tokens
);
1478 static void r300_set_constant_buffer(struct pipe_context
*pipe
,
1479 uint shader
, uint index
,
1480 struct pipe_buffer
*buf
)
1482 struct r300_context
* r300
= r300_context(pipe
);
1483 struct r300_screen
*r300screen
= r300_screen(pipe
->screen
);
1487 if (buf
== NULL
|| buf
->size
== 0 ||
1488 (mapped
= pipe_buffer_map(pipe
->screen
, buf
, PIPE_BUFFER_USAGE_CPU_READ
)) == NULL
)
1490 r300
->shader_constants
[shader
].count
= 0;
1494 assert((buf
->size
% 4 * sizeof(float)) == 0);
1496 /* Check the size of the constant buffer. */
1498 case PIPE_SHADER_VERTEX
:
1501 case PIPE_SHADER_FRAGMENT
:
1502 if (r300screen
->caps
->is_r500
) {
1504 /* XXX Implement emission of r400's extended constant buffer. */
1505 /*} else if (r300screen->caps->is_r400) {
1515 /* XXX Subtract immediates and RC_STATE_* variables. */
1516 if (buf
->size
> (sizeof(float) * 4 * max_size
)) {
1517 debug_printf("r300: Max size of the constant buffer is "
1518 "%i*4 floats.\n", max_size
);
1522 memcpy(r300
->shader_constants
[shader
].constants
, mapped
, buf
->size
);
1523 r300
->shader_constants
[shader
].count
= buf
->size
/ (4 * sizeof(float));
1524 pipe_buffer_unmap(pipe
->screen
, buf
);
1526 if (shader
== PIPE_SHADER_VERTEX
) {
1527 if (r300screen
->caps
->has_tcl
) {
1528 r300
->dirty_state
|= R300_NEW_VERTEX_SHADER_CONSTANTS
;
1529 r300
->pvs_flush
.dirty
= TRUE
;
1532 else if (shader
== PIPE_SHADER_FRAGMENT
)
1533 r300
->dirty_state
|= R300_NEW_FRAGMENT_SHADER_CONSTANTS
;
1536 void r300_init_state_functions(struct r300_context
* r300
)
1538 r300
->context
.create_blend_state
= r300_create_blend_state
;
1539 r300
->context
.bind_blend_state
= r300_bind_blend_state
;
1540 r300
->context
.delete_blend_state
= r300_delete_blend_state
;
1542 r300
->context
.set_blend_color
= r300_set_blend_color
;
1544 r300
->context
.set_clip_state
= r300_set_clip_state
;
1546 r300
->context
.set_constant_buffer
= r300_set_constant_buffer
;
1548 r300
->context
.create_depth_stencil_alpha_state
= r300_create_dsa_state
;
1549 r300
->context
.bind_depth_stencil_alpha_state
= r300_bind_dsa_state
;
1550 r300
->context
.delete_depth_stencil_alpha_state
= r300_delete_dsa_state
;
1552 r300
->context
.set_stencil_ref
= r300_set_stencil_ref
;
1554 r300
->context
.set_framebuffer_state
= r300_set_framebuffer_state
;
1556 r300
->context
.create_fs_state
= r300_create_fs_state
;
1557 r300
->context
.bind_fs_state
= r300_bind_fs_state
;
1558 r300
->context
.delete_fs_state
= r300_delete_fs_state
;
1560 r300
->context
.set_polygon_stipple
= r300_set_polygon_stipple
;
1562 r300
->context
.create_rasterizer_state
= r300_create_rs_state
;
1563 r300
->context
.bind_rasterizer_state
= r300_bind_rs_state
;
1564 r300
->context
.delete_rasterizer_state
= r300_delete_rs_state
;
1566 r300
->context
.create_sampler_state
= r300_create_sampler_state
;
1567 r300
->context
.bind_fragment_sampler_states
= r300_bind_sampler_states
;
1568 r300
->context
.bind_vertex_sampler_states
= r300_lacks_vertex_textures
;
1569 r300
->context
.delete_sampler_state
= r300_delete_sampler_state
;
1571 r300
->context
.set_fragment_sampler_views
= r300_set_fragment_sampler_views
;
1572 r300
->context
.create_sampler_view
= r300_create_sampler_view
;
1573 r300
->context
.sampler_view_destroy
= r300_sampler_view_destroy
;
1575 r300
->context
.set_scissor_state
= r300_set_scissor_state
;
1577 r300
->context
.set_viewport_state
= r300_set_viewport_state
;
1579 r300
->context
.set_vertex_buffers
= r300_set_vertex_buffers
;
1581 r300
->context
.create_vertex_elements_state
= r300_create_vertex_elements_state
;
1582 r300
->context
.bind_vertex_elements_state
= r300_bind_vertex_elements_state
;
1583 r300
->context
.delete_vertex_elements_state
= r300_delete_vertex_elements_state
;
1585 r300
->context
.create_vs_state
= r300_create_vs_state
;
1586 r300
->context
.bind_vs_state
= r300_bind_vs_state
;
1587 r300
->context
.delete_vs_state
= r300_delete_vs_state
;