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_state_inlines.h"
41 #include "radeon_winsys.h"
43 /* r300_state: Functions used to intialize state context by translating
44 * Gallium state objects into semi-native r300 state objects. */
46 static boolean
blend_discard_if_src_alpha_0(unsigned srcRGB
, unsigned srcA
,
47 unsigned dstRGB
, unsigned dstA
)
49 /* If the blend equation is ADD or REVERSE_SUBTRACT,
50 * SRC_ALPHA == 0, and the following state is set, the colorbuffer
51 * will not be changed.
52 * Notice that the dst factors are the src factors inverted. */
53 return (srcRGB
== PIPE_BLENDFACTOR_SRC_ALPHA
||
54 srcRGB
== PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE
||
55 srcRGB
== PIPE_BLENDFACTOR_ZERO
) &&
56 (srcA
== PIPE_BLENDFACTOR_SRC_COLOR
||
57 srcA
== PIPE_BLENDFACTOR_SRC_ALPHA
||
58 srcA
== PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE
||
59 srcA
== PIPE_BLENDFACTOR_ZERO
) &&
60 (dstRGB
== PIPE_BLENDFACTOR_INV_SRC_ALPHA
||
61 dstRGB
== PIPE_BLENDFACTOR_ONE
) &&
62 (dstA
== PIPE_BLENDFACTOR_INV_SRC_COLOR
||
63 dstA
== PIPE_BLENDFACTOR_INV_SRC_ALPHA
||
64 dstA
== PIPE_BLENDFACTOR_ONE
);
67 static boolean
blend_discard_if_src_alpha_1(unsigned srcRGB
, unsigned srcA
,
68 unsigned dstRGB
, unsigned dstA
)
70 /* If the blend equation is ADD or REVERSE_SUBTRACT,
71 * SRC_ALPHA == 1, and the following state is set, the colorbuffer
72 * will not be changed.
73 * Notice that the dst factors are the src factors inverted. */
74 return (srcRGB
== PIPE_BLENDFACTOR_INV_SRC_ALPHA
||
75 srcRGB
== PIPE_BLENDFACTOR_ZERO
) &&
76 (srcA
== PIPE_BLENDFACTOR_INV_SRC_COLOR
||
77 srcA
== PIPE_BLENDFACTOR_INV_SRC_ALPHA
||
78 srcA
== PIPE_BLENDFACTOR_ZERO
) &&
79 (dstRGB
== PIPE_BLENDFACTOR_SRC_ALPHA
||
80 dstRGB
== PIPE_BLENDFACTOR_ONE
) &&
81 (dstA
== PIPE_BLENDFACTOR_SRC_COLOR
||
82 dstA
== PIPE_BLENDFACTOR_SRC_ALPHA
||
83 dstA
== PIPE_BLENDFACTOR_ONE
);
86 static boolean
blend_discard_if_src_color_0(unsigned srcRGB
, unsigned srcA
,
87 unsigned dstRGB
, unsigned dstA
)
89 /* If the blend equation is ADD or REVERSE_SUBTRACT,
90 * SRC_COLOR == (0,0,0), and the following state is set, the colorbuffer
91 * will not be changed.
92 * Notice that the dst factors are the src factors inverted. */
93 return (srcRGB
== PIPE_BLENDFACTOR_SRC_COLOR
||
94 srcRGB
== PIPE_BLENDFACTOR_ZERO
) &&
95 (srcA
== PIPE_BLENDFACTOR_ZERO
) &&
96 (dstRGB
== PIPE_BLENDFACTOR_INV_SRC_COLOR
||
97 dstRGB
== PIPE_BLENDFACTOR_ONE
) &&
98 (dstA
== PIPE_BLENDFACTOR_ONE
);
101 static boolean
blend_discard_if_src_color_1(unsigned srcRGB
, unsigned srcA
,
102 unsigned dstRGB
, unsigned dstA
)
104 /* If the blend equation is ADD or REVERSE_SUBTRACT,
105 * SRC_COLOR == (1,1,1), and the following state is set, the colorbuffer
106 * will not be changed.
107 * Notice that the dst factors are the src factors inverted. */
108 return (srcRGB
== PIPE_BLENDFACTOR_INV_SRC_COLOR
||
109 srcRGB
== PIPE_BLENDFACTOR_ZERO
) &&
110 (srcA
== PIPE_BLENDFACTOR_ZERO
) &&
111 (dstRGB
== PIPE_BLENDFACTOR_SRC_COLOR
||
112 dstRGB
== PIPE_BLENDFACTOR_ONE
) &&
113 (dstA
== PIPE_BLENDFACTOR_ONE
);
116 static boolean
blend_discard_if_src_alpha_color_0(unsigned srcRGB
, unsigned srcA
,
117 unsigned dstRGB
, unsigned dstA
)
119 /* If the blend equation is ADD or REVERSE_SUBTRACT,
120 * SRC_ALPHA_COLOR == (0,0,0,0), and the following state is set,
121 * the colorbuffer will not be changed.
122 * Notice that the dst factors are the src factors inverted. */
123 return (srcRGB
== PIPE_BLENDFACTOR_SRC_COLOR
||
124 srcRGB
== PIPE_BLENDFACTOR_SRC_ALPHA
||
125 srcRGB
== PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE
||
126 srcRGB
== PIPE_BLENDFACTOR_ZERO
) &&
127 (srcA
== PIPE_BLENDFACTOR_SRC_COLOR
||
128 srcA
== PIPE_BLENDFACTOR_SRC_ALPHA
||
129 srcA
== PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE
||
130 srcA
== PIPE_BLENDFACTOR_ZERO
) &&
131 (dstRGB
== PIPE_BLENDFACTOR_INV_SRC_COLOR
||
132 dstRGB
== PIPE_BLENDFACTOR_INV_SRC_ALPHA
||
133 dstRGB
== PIPE_BLENDFACTOR_ONE
) &&
134 (dstA
== PIPE_BLENDFACTOR_INV_SRC_COLOR
||
135 dstA
== PIPE_BLENDFACTOR_INV_SRC_ALPHA
||
136 dstA
== PIPE_BLENDFACTOR_ONE
);
139 static boolean
blend_discard_if_src_alpha_color_1(unsigned srcRGB
, unsigned srcA
,
140 unsigned dstRGB
, unsigned dstA
)
142 /* If the blend equation is ADD or REVERSE_SUBTRACT,
143 * SRC_ALPHA_COLOR == (1,1,1,1), and the following state is set,
144 * the colorbuffer will not be changed.
145 * Notice that the dst factors are the src factors inverted. */
146 return (srcRGB
== PIPE_BLENDFACTOR_INV_SRC_COLOR
||
147 srcRGB
== PIPE_BLENDFACTOR_INV_SRC_ALPHA
||
148 srcRGB
== PIPE_BLENDFACTOR_ZERO
) &&
149 (srcA
== PIPE_BLENDFACTOR_INV_SRC_COLOR
||
150 srcA
== PIPE_BLENDFACTOR_INV_SRC_ALPHA
||
151 srcA
== PIPE_BLENDFACTOR_ZERO
) &&
152 (dstRGB
== PIPE_BLENDFACTOR_SRC_COLOR
||
153 dstRGB
== PIPE_BLENDFACTOR_SRC_ALPHA
||
154 dstRGB
== PIPE_BLENDFACTOR_ONE
) &&
155 (dstA
== PIPE_BLENDFACTOR_SRC_COLOR
||
156 dstA
== PIPE_BLENDFACTOR_SRC_ALPHA
||
157 dstA
== PIPE_BLENDFACTOR_ONE
);
160 static unsigned bgra_cmask(unsigned mask
)
162 /* Gallium uses RGBA color ordering while R300 expects BGRA. */
164 return ((mask
& PIPE_MASK_R
) << 2) |
165 ((mask
& PIPE_MASK_B
) >> 2) |
166 (mask
& (PIPE_MASK_G
| PIPE_MASK_A
));
169 /* Create a new blend state based on the CSO blend state.
171 * This encompasses alpha blending, logic/raster ops, and blend dithering. */
172 static void* r300_create_blend_state(struct pipe_context
* pipe
,
173 const struct pipe_blend_state
* state
)
175 struct r300_screen
* r300screen
= r300_screen(pipe
->screen
);
176 struct r300_blend_state
* blend
= CALLOC_STRUCT(r300_blend_state
);
178 if (state
->rt
[0].blend_enable
)
180 unsigned eqRGB
= state
->rt
[0].rgb_func
;
181 unsigned srcRGB
= state
->rt
[0].rgb_src_factor
;
182 unsigned dstRGB
= state
->rt
[0].rgb_dst_factor
;
184 unsigned eqA
= state
->rt
[0].alpha_func
;
185 unsigned srcA
= state
->rt
[0].alpha_src_factor
;
186 unsigned dstA
= state
->rt
[0].alpha_dst_factor
;
188 /* despite the name, ALPHA_BLEND_ENABLE has nothing to do with alpha,
189 * this is just the crappy D3D naming */
190 blend
->blend_control
= R300_ALPHA_BLEND_ENABLE
|
191 r300_translate_blend_function(eqRGB
) |
192 ( r300_translate_blend_factor(srcRGB
) << R300_SRC_BLEND_SHIFT
) |
193 ( r300_translate_blend_factor(dstRGB
) << R300_DST_BLEND_SHIFT
);
195 /* Optimization: some operations do not require the destination color.
197 * When SRC_ALPHA_SATURATE is used, colorbuffer reads must be enabled,
198 * otherwise blending gives incorrect results. It seems to be
200 if (eqRGB
== PIPE_BLEND_MIN
|| eqA
== PIPE_BLEND_MIN
||
201 eqRGB
== PIPE_BLEND_MAX
|| eqA
== PIPE_BLEND_MAX
||
202 dstRGB
!= PIPE_BLENDFACTOR_ZERO
||
203 dstA
!= PIPE_BLENDFACTOR_ZERO
||
204 srcRGB
== PIPE_BLENDFACTOR_DST_COLOR
||
205 srcRGB
== PIPE_BLENDFACTOR_DST_ALPHA
||
206 srcRGB
== PIPE_BLENDFACTOR_INV_DST_COLOR
||
207 srcRGB
== PIPE_BLENDFACTOR_INV_DST_ALPHA
||
208 srcA
== PIPE_BLENDFACTOR_DST_COLOR
||
209 srcA
== PIPE_BLENDFACTOR_DST_ALPHA
||
210 srcA
== PIPE_BLENDFACTOR_INV_DST_COLOR
||
211 srcA
== PIPE_BLENDFACTOR_INV_DST_ALPHA
||
212 srcRGB
== PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE
) {
213 /* Enable reading from the colorbuffer. */
214 blend
->blend_control
|= R300_READ_ENABLE
;
216 if (r300_screen(r300_context(pipe
)->context
.screen
)->caps
->is_r500
) {
217 /* Optimization: Depending on incoming pixels, we can
218 * conditionally disable the reading in hardware... */
219 if (eqRGB
!= PIPE_BLEND_MIN
&& eqA
!= PIPE_BLEND_MIN
&&
220 eqRGB
!= PIPE_BLEND_MAX
&& eqA
!= PIPE_BLEND_MAX
) {
221 /* Disable reading if SRC_ALPHA == 0. */
222 if ((dstRGB
== PIPE_BLENDFACTOR_SRC_ALPHA
||
223 dstRGB
== PIPE_BLENDFACTOR_ZERO
) &&
224 (dstA
== PIPE_BLENDFACTOR_SRC_COLOR
||
225 dstA
== PIPE_BLENDFACTOR_SRC_ALPHA
||
226 dstA
== PIPE_BLENDFACTOR_ZERO
)) {
227 blend
->blend_control
|= R500_SRC_ALPHA_0_NO_READ
;
230 /* Disable reading if SRC_ALPHA == 1. */
231 if ((dstRGB
== PIPE_BLENDFACTOR_INV_SRC_ALPHA
||
232 dstRGB
== PIPE_BLENDFACTOR_ZERO
) &&
233 (dstA
== PIPE_BLENDFACTOR_INV_SRC_COLOR
||
234 dstA
== PIPE_BLENDFACTOR_INV_SRC_ALPHA
||
235 dstA
== PIPE_BLENDFACTOR_ZERO
)) {
236 blend
->blend_control
|= R500_SRC_ALPHA_1_NO_READ
;
242 /* Optimization: discard pixels which don't change the colorbuffer.
244 * The code below is non-trivial and some math is involved.
246 * Discarding pixels must be disabled when FP16 AA is enabled.
247 * This is a hardware bug. Also, this implementation wouldn't work
248 * with FP blending enabled and equation clamping disabled.
250 * Equations other than ADD are rarely used and therefore won't be
252 if ((eqRGB
== PIPE_BLEND_ADD
|| eqRGB
== PIPE_BLEND_REVERSE_SUBTRACT
) &&
253 (eqA
== PIPE_BLEND_ADD
|| eqA
== PIPE_BLEND_REVERSE_SUBTRACT
)) {
255 * REVERSE_SUBTRACT: Y-X
258 * If X = src*srcFactor = 0 and Y = dst*dstFactor = 1,
259 * then CB will not be changed.
261 * Given the srcFactor and dstFactor variables, we can derive
262 * what src and dst should be equal to and discard appropriate
265 if (blend_discard_if_src_alpha_0(srcRGB
, srcA
, dstRGB
, dstA
)) {
266 blend
->blend_control
|= R300_DISCARD_SRC_PIXELS_SRC_ALPHA_0
;
267 } else if (blend_discard_if_src_alpha_1(srcRGB
, srcA
,
269 blend
->blend_control
|= R300_DISCARD_SRC_PIXELS_SRC_ALPHA_1
;
270 } else if (blend_discard_if_src_color_0(srcRGB
, srcA
,
272 blend
->blend_control
|= R300_DISCARD_SRC_PIXELS_SRC_COLOR_0
;
273 } else if (blend_discard_if_src_color_1(srcRGB
, srcA
,
275 blend
->blend_control
|= R300_DISCARD_SRC_PIXELS_SRC_COLOR_1
;
276 } else if (blend_discard_if_src_alpha_color_0(srcRGB
, srcA
,
278 blend
->blend_control
|=
279 R300_DISCARD_SRC_PIXELS_SRC_ALPHA_COLOR_0
;
280 } else if (blend_discard_if_src_alpha_color_1(srcRGB
, srcA
,
282 blend
->blend_control
|=
283 R300_DISCARD_SRC_PIXELS_SRC_ALPHA_COLOR_1
;
288 if (srcA
!= srcRGB
|| dstA
!= dstRGB
|| eqA
!= eqRGB
) {
289 blend
->blend_control
|= R300_SEPARATE_ALPHA_ENABLE
;
290 blend
->alpha_blend_control
=
291 r300_translate_blend_function(eqA
) |
292 (r300_translate_blend_factor(srcA
) << R300_SRC_BLEND_SHIFT
) |
293 (r300_translate_blend_factor(dstA
) << R300_DST_BLEND_SHIFT
);
297 /* PIPE_LOGICOP_* don't need to be translated, fortunately. */
298 if (state
->logicop_enable
) {
299 blend
->rop
= R300_RB3D_ROPCNTL_ROP_ENABLE
|
300 (state
->logicop_func
) << R300_RB3D_ROPCNTL_ROP_SHIFT
;
303 /* Color channel masks for all MRTs. */
304 blend
->color_channel_mask
= bgra_cmask(state
->rt
[0].colormask
);
305 if (r300screen
->caps
->is_r500
&& state
->independent_blend_enable
) {
306 if (state
->rt
[1].blend_enable
) {
307 blend
->color_channel_mask
|= bgra_cmask(state
->rt
[1].colormask
) << 4;
309 if (state
->rt
[2].blend_enable
) {
310 blend
->color_channel_mask
|= bgra_cmask(state
->rt
[2].colormask
) << 8;
312 if (state
->rt
[3].blend_enable
) {
313 blend
->color_channel_mask
|= bgra_cmask(state
->rt
[3].colormask
) << 12;
318 blend
->dither
= R300_RB3D_DITHER_CTL_DITHER_MODE_LUT
|
319 R300_RB3D_DITHER_CTL_ALPHA_DITHER_MODE_LUT
;
325 /* Bind blend state. */
326 static void r300_bind_blend_state(struct pipe_context
* pipe
,
329 struct r300_context
* r300
= r300_context(pipe
);
331 r300
->blend_state
.state
= state
;
332 r300
->blend_state
.dirty
= TRUE
;
335 /* Free blend state. */
336 static void r300_delete_blend_state(struct pipe_context
* pipe
,
342 /* Convert float to 10bit integer */
343 static unsigned float_to_fixed10(float f
)
345 return CLAMP((unsigned)(f
* 1023.9f
), 0, 1023);
349 * Setup both R300 and R500 registers, figure out later which one to write. */
350 static void r300_set_blend_color(struct pipe_context
* pipe
,
351 const struct pipe_blend_color
* color
)
353 struct r300_context
* r300
= r300_context(pipe
);
354 struct r300_screen
* r300screen
= r300_screen(pipe
->screen
);
355 struct r300_blend_color_state
* state
=
356 (struct r300_blend_color_state
*)r300
->blend_color_state
.state
;
359 util_pack_color(color
->color
, PIPE_FORMAT_A8R8G8B8_UNORM
, &uc
);
360 state
->blend_color
= uc
.ui
;
362 /* XXX if FP16 blending is enabled, we should use the FP16 format */
363 state
->blend_color_red_alpha
=
364 float_to_fixed10(color
->color
[0]) |
365 (float_to_fixed10(color
->color
[3]) << 16);
366 state
->blend_color_green_blue
=
367 float_to_fixed10(color
->color
[2]) |
368 (float_to_fixed10(color
->color
[1]) << 16);
370 r300
->blend_color_state
.size
= r300screen
->caps
->is_r500
? 3 : 2;
371 r300
->blend_color_state
.dirty
= TRUE
;
374 static void r300_set_clip_state(struct pipe_context
* pipe
,
375 const struct pipe_clip_state
* state
)
377 struct r300_context
* r300
= r300_context(pipe
);
379 if (r300_screen(pipe
->screen
)->caps
->has_tcl
) {
380 memcpy(r300
->clip_state
.state
, state
, sizeof(struct pipe_clip_state
));
381 r300
->clip_state
.size
= 29;
383 draw_flush(r300
->draw
);
384 draw_set_clip_state(r300
->draw
, state
);
385 r300
->clip_state
.size
= 2;
388 r300
->clip_state
.dirty
= TRUE
;
391 /* Create a new depth, stencil, and alpha state based on the CSO dsa state.
393 * This contains the depth buffer, stencil buffer, alpha test, and such.
394 * On the Radeon, depth and stencil buffer setup are intertwined, which is
395 * the reason for some of the strange-looking assignments across registers. */
397 r300_create_dsa_state(struct pipe_context
* pipe
,
398 const struct pipe_depth_stencil_alpha_state
* state
)
400 struct r300_capabilities
*caps
=
401 r300_screen(r300_context(pipe
)->context
.screen
)->caps
;
402 struct r300_dsa_state
* dsa
= CALLOC_STRUCT(r300_dsa_state
);
404 /* Depth test setup. */
405 if (state
->depth
.enabled
) {
406 dsa
->z_buffer_control
|= R300_Z_ENABLE
;
408 if (state
->depth
.writemask
) {
409 dsa
->z_buffer_control
|= R300_Z_WRITE_ENABLE
;
412 dsa
->z_stencil_control
|=
413 (r300_translate_depth_stencil_function(state
->depth
.func
) <<
417 /* Stencil buffer setup. */
418 if (state
->stencil
[0].enabled
) {
419 dsa
->z_buffer_control
|= R300_STENCIL_ENABLE
;
420 dsa
->z_stencil_control
|=
421 (r300_translate_depth_stencil_function(state
->stencil
[0].func
) <<
422 R300_S_FRONT_FUNC_SHIFT
) |
423 (r300_translate_stencil_op(state
->stencil
[0].fail_op
) <<
424 R300_S_FRONT_SFAIL_OP_SHIFT
) |
425 (r300_translate_stencil_op(state
->stencil
[0].zpass_op
) <<
426 R300_S_FRONT_ZPASS_OP_SHIFT
) |
427 (r300_translate_stencil_op(state
->stencil
[0].zfail_op
) <<
428 R300_S_FRONT_ZFAIL_OP_SHIFT
);
430 dsa
->stencil_ref_mask
=
431 (state
->stencil
[0].valuemask
<< R300_STENCILMASK_SHIFT
) |
432 (state
->stencil
[0].writemask
<< R300_STENCILWRITEMASK_SHIFT
);
434 if (state
->stencil
[1].enabled
) {
435 dsa
->z_buffer_control
|= R300_STENCIL_FRONT_BACK
;
436 dsa
->z_stencil_control
|=
437 (r300_translate_depth_stencil_function(state
->stencil
[1].func
) <<
438 R300_S_BACK_FUNC_SHIFT
) |
439 (r300_translate_stencil_op(state
->stencil
[1].fail_op
) <<
440 R300_S_BACK_SFAIL_OP_SHIFT
) |
441 (r300_translate_stencil_op(state
->stencil
[1].zpass_op
) <<
442 R300_S_BACK_ZPASS_OP_SHIFT
) |
443 (r300_translate_stencil_op(state
->stencil
[1].zfail_op
) <<
444 R300_S_BACK_ZFAIL_OP_SHIFT
);
448 dsa
->z_buffer_control
|= R500_STENCIL_REFMASK_FRONT_BACK
;
449 dsa
->stencil_ref_bf
=
450 (state
->stencil
[1].valuemask
<<
451 R300_STENCILMASK_SHIFT
) |
452 (state
->stencil
[1].writemask
<<
453 R300_STENCILWRITEMASK_SHIFT
);
458 /* Alpha test setup. */
459 if (state
->alpha
.enabled
) {
460 dsa
->alpha_function
=
461 r300_translate_alpha_function(state
->alpha
.func
) |
462 R300_FG_ALPHA_FUNC_ENABLE
;
464 /* We could use 10bit alpha ref but who needs that? */
465 dsa
->alpha_function
|= float_to_ubyte(state
->alpha
.ref_value
);
468 dsa
->alpha_function
|= R500_FG_ALPHA_FUNC_8BIT
;
474 /* Bind DSA state. */
475 static void r300_bind_dsa_state(struct pipe_context
* pipe
,
478 struct r300_context
* r300
= r300_context(pipe
);
479 struct r300_screen
* r300screen
= r300_screen(pipe
->screen
);
481 r300
->dsa_state
.state
= state
;
482 r300
->dsa_state
.size
= r300screen
->caps
->is_r500
? 8 : 6;
483 r300
->dsa_state
.dirty
= TRUE
;
486 /* Free DSA state. */
487 static void r300_delete_dsa_state(struct pipe_context
* pipe
,
493 static void r300_set_stencil_ref(struct pipe_context
* pipe
,
494 const struct pipe_stencil_ref
* sr
)
496 struct r300_context
* r300
= r300_context(pipe
);
497 r300
->stencil_ref
= *sr
;
498 r300
->dsa_state
.dirty
= TRUE
;
501 /* This switcheroo is needed just because of goddamned MACRO_SWITCH. */
502 static void r300_fb_update_tiling_flags(struct r300_context
*r300
,
503 const struct pipe_framebuffer_state
*old_state
,
504 const struct pipe_framebuffer_state
*new_state
)
506 struct r300_texture
*tex
;
507 unsigned i
, j
, level
;
509 /* Reset tiling flags for old surfaces to default values. */
510 for (i
= 0; i
< old_state
->nr_cbufs
; i
++) {
511 for (j
= 0; j
< new_state
->nr_cbufs
; j
++) {
512 if (old_state
->cbufs
[i
]->texture
== new_state
->cbufs
[j
]->texture
) {
516 /* If not binding the surface again... */
517 if (j
!= new_state
->nr_cbufs
) {
521 tex
= (struct r300_texture
*)old_state
->cbufs
[i
]->texture
;
524 r300
->winsys
->buffer_set_tiling(r300
->winsys
, tex
->buffer
,
527 tex
->macrotile
!= 0);
530 if (old_state
->zsbuf
&&
531 (!new_state
->zsbuf
||
532 old_state
->zsbuf
->texture
!= new_state
->zsbuf
->texture
)) {
533 tex
= (struct r300_texture
*)old_state
->zsbuf
->texture
;
536 r300
->winsys
->buffer_set_tiling(r300
->winsys
, tex
->buffer
,
539 tex
->macrotile
!= 0);
543 /* Set tiling flags for new surfaces. */
544 for (i
= 0; i
< new_state
->nr_cbufs
; i
++) {
545 tex
= (struct r300_texture
*)new_state
->cbufs
[i
]->texture
;
546 level
= new_state
->cbufs
[i
]->level
;
548 r300
->winsys
->buffer_set_tiling(r300
->winsys
, tex
->buffer
,
551 tex
->mip_macrotile
[level
] != 0);
553 if (new_state
->zsbuf
) {
554 tex
= (struct r300_texture
*)new_state
->zsbuf
->texture
;
555 level
= new_state
->zsbuf
->level
;
557 r300
->winsys
->buffer_set_tiling(r300
->winsys
, tex
->buffer
,
560 tex
->mip_macrotile
[level
] != 0);
565 r300_set_framebuffer_state(struct pipe_context
* pipe
,
566 const struct pipe_framebuffer_state
* state
)
568 struct r300_context
* r300
= r300_context(pipe
);
569 struct r300_screen
* r300screen
= r300_screen(pipe
->screen
);
570 unsigned max_width
, max_height
;
571 uint32_t zbuffer_bpp
= 0;
574 if (state
->nr_cbufs
> 4) {
575 debug_printf("r300: Implementation error: Too many MRTs in %s, "
576 "refusing to bind framebuffer state!\n", __FUNCTION__
);
580 if (r300screen
->caps
->is_r500
) {
581 max_width
= max_height
= 4096;
582 } else if (r300screen
->caps
->is_r400
) {
583 max_width
= max_height
= 4021;
585 max_width
= max_height
= 2560;
588 if (state
->width
> max_width
|| state
->height
> max_height
) {
589 debug_printf("r300: Implementation error: Render targets are too "
590 "big in %s, refusing to bind framebuffer state!\n", __FUNCTION__
);
596 draw_flush(r300
->draw
);
599 memcpy(r300
->fb_state
.state
, state
, sizeof(struct pipe_framebuffer_state
));
601 r300
->fb_state
.size
= (10 * state
->nr_cbufs
) + (state
->zsbuf
? 10 : 0) + 6;
603 r300_fb_update_tiling_flags(r300
, r300
->fb_state
.state
, state
);
606 r300
->blend_state
.dirty
= TRUE
;
607 r300
->dsa_state
.dirty
= TRUE
;
608 r300
->fb_state
.dirty
= TRUE
;
609 r300
->scissor_state
.dirty
= TRUE
;
611 /* Polygon offset depends on the zbuffer bit depth. */
612 if (state
->zsbuf
&& r300
->polygon_offset_enabled
) {
613 switch (util_format_get_blocksize(state
->zsbuf
->texture
->format
)) {
622 if (r300
->zbuffer_bpp
!= zbuffer_bpp
) {
623 r300
->zbuffer_bpp
= zbuffer_bpp
;
624 r300
->rs_state
.dirty
= TRUE
;
629 /* Create fragment shader state. */
630 static void* r300_create_fs_state(struct pipe_context
* pipe
,
631 const struct pipe_shader_state
* shader
)
633 struct r300_fragment_shader
* fs
= NULL
;
635 fs
= (struct r300_fragment_shader
*)CALLOC_STRUCT(r300_fragment_shader
);
637 /* Copy state directly into shader. */
639 fs
->state
.tokens
= tgsi_dup_tokens(shader
->tokens
);
641 tgsi_scan_shader(shader
->tokens
, &fs
->info
);
642 r300_shader_read_fs_inputs(&fs
->info
, &fs
->inputs
);
647 /* Bind fragment shader state. */
648 static void r300_bind_fs_state(struct pipe_context
* pipe
, void* shader
)
650 struct r300_context
* r300
= r300_context(pipe
);
651 struct r300_fragment_shader
* fs
= (struct r300_fragment_shader
*)shader
;
659 r300_pick_fragment_shader(r300
);
661 if (r300
->vs
&& r300_vertex_shader_setup_wpos(r300
)) {
662 r300
->vertex_format_state
.dirty
= TRUE
;
665 r300
->dirty_state
|= R300_NEW_FRAGMENT_SHADER
| R300_NEW_FRAGMENT_SHADER_CONSTANTS
;
668 /* Delete fragment shader state. */
669 static void r300_delete_fs_state(struct pipe_context
* pipe
, void* shader
)
671 struct r300_fragment_shader
* fs
= (struct r300_fragment_shader
*)shader
;
672 struct r300_fragment_shader_code
*tmp
, *ptr
= fs
->first
;
677 rc_constants_destroy(&tmp
->code
.constants
);
680 FREE((void*)fs
->state
.tokens
);
684 static void r300_set_polygon_stipple(struct pipe_context
* pipe
,
685 const struct pipe_poly_stipple
* state
)
687 /* XXX no idea how to set this up, but not terribly important */
690 /* Create a new rasterizer state based on the CSO rasterizer state.
692 * This is a very large chunk of state, and covers most of the graphics
693 * backend (GB), geometry assembly (GA), and setup unit (SU) blocks.
695 * In a not entirely unironic sidenote, this state has nearly nothing to do
696 * with the actual block on the Radeon called the rasterizer (RS). */
697 static void* r300_create_rs_state(struct pipe_context
* pipe
,
698 const struct pipe_rasterizer_state
* state
)
700 struct r300_screen
* r300screen
= r300_screen(pipe
->screen
);
701 struct r300_rs_state
* rs
= CALLOC_STRUCT(r300_rs_state
);
703 /* Copy rasterizer state for Draw. */
706 #ifdef PIPE_ARCH_LITTLE_ENDIAN
707 rs
->vap_control_status
= R300_VC_NO_SWAP
;
709 rs
->vap_control_status
= R300_VC_32BIT_SWAP
;
712 /* If bypassing TCL, or if no TCL engine is present, turn off the HW TCL.
713 * Else, enable HW TCL and force Draw's TCL off. */
714 if (state
->bypass_vs_clip_and_viewport
||
715 !r300screen
->caps
->has_tcl
) {
716 rs
->vap_control_status
|= R300_VAP_TCL_BYPASS
;
719 rs
->point_size
= pack_float_16_6x(state
->point_size
) |
720 (pack_float_16_6x(state
->point_size
) << R300_POINTSIZE_X_SHIFT
);
722 /* Point minimum and maximum sizes. This register has to be emitted,
723 * and it'd be a step backwards to put it in invariant state. */
724 if (r300screen
->caps
->is_r500
) {
726 ((int)(0.0 * 6.0) << R300_GA_POINT_MINMAX_MIN_SHIFT
) |
727 ((int)(4096.0 * 6.0) << R300_GA_POINT_MINMAX_MAX_SHIFT
);
728 } else if (r300screen
->caps
->is_r400
) {
730 ((int)(0.0 * 6.0) << R300_GA_POINT_MINMAX_MIN_SHIFT
) |
731 ((int)(4021.0 * 6.0) << R300_GA_POINT_MINMAX_MAX_SHIFT
);
734 ((int)(0.0 * 6.0) << R300_GA_POINT_MINMAX_MIN_SHIFT
) |
735 ((int)(2560.0 * 6.0) << R300_GA_POINT_MINMAX_MAX_SHIFT
);
738 rs
->line_control
= pack_float_16_6x(state
->line_width
) |
739 R300_GA_LINE_CNTL_END_TYPE_COMP
;
741 /* Enable polygon mode */
742 if (state
->fill_cw
!= PIPE_POLYGON_MODE_FILL
||
743 state
->fill_ccw
!= PIPE_POLYGON_MODE_FILL
) {
744 rs
->polygon_mode
= R300_GA_POLY_MODE_DUAL
;
747 /* Radeons don't think in "CW/CCW", they think in "front/back". */
748 if (state
->front_winding
== PIPE_WINDING_CW
) {
749 rs
->cull_mode
= R300_FRONT_FACE_CW
;
752 if (state
->offset_cw
) {
753 rs
->polygon_offset_enable
|= R300_FRONT_ENABLE
;
755 if (state
->offset_ccw
) {
756 rs
->polygon_offset_enable
|= R300_BACK_ENABLE
;
760 if (rs
->polygon_mode
) {
762 r300_translate_polygon_mode_front(state
->fill_cw
);
764 r300_translate_polygon_mode_back(state
->fill_ccw
);
767 rs
->cull_mode
= R300_FRONT_FACE_CCW
;
770 if (state
->offset_ccw
) {
771 rs
->polygon_offset_enable
|= R300_FRONT_ENABLE
;
773 if (state
->offset_cw
) {
774 rs
->polygon_offset_enable
|= R300_BACK_ENABLE
;
778 if (rs
->polygon_mode
) {
780 r300_translate_polygon_mode_front(state
->fill_ccw
);
782 r300_translate_polygon_mode_back(state
->fill_cw
);
785 if (state
->front_winding
& state
->cull_mode
) {
786 rs
->cull_mode
|= R300_CULL_FRONT
;
788 if (~(state
->front_winding
) & state
->cull_mode
) {
789 rs
->cull_mode
|= R300_CULL_BACK
;
792 if (rs
->polygon_offset_enable
) {
793 rs
->depth_offset
= state
->offset_units
;
794 rs
->depth_scale
= state
->offset_scale
;
797 if (state
->line_stipple_enable
) {
798 rs
->line_stipple_config
=
799 R300_GA_LINE_STIPPLE_CONFIG_LINE_RESET_LINE
|
800 (fui((float)state
->line_stipple_factor
) &
801 R300_GA_LINE_STIPPLE_CONFIG_STIPPLE_SCALE_MASK
);
802 /* XXX this might need to be scaled up */
803 rs
->line_stipple_value
= state
->line_stipple_pattern
;
806 if (state
->flatshade
) {
807 rs
->color_control
= R300_SHADE_MODEL_FLAT
;
809 rs
->color_control
= R300_SHADE_MODEL_SMOOTH
;
815 /* Bind rasterizer state. */
816 static void r300_bind_rs_state(struct pipe_context
* pipe
, void* state
)
818 struct r300_context
* r300
= r300_context(pipe
);
819 struct r300_rs_state
* rs
= (struct r300_rs_state
*)state
;
822 draw_flush(r300
->draw
);
823 draw_set_rasterizer_state(r300
->draw
, &rs
->rs
);
827 r300
->tcl_bypass
= rs
->rs
.bypass_vs_clip_and_viewport
;
828 r300
->polygon_offset_enabled
= rs
->rs
.offset_cw
|| rs
->rs
.offset_ccw
;
830 r300
->tcl_bypass
= FALSE
;
831 r300
->polygon_offset_enabled
= FALSE
;
834 r300
->rs_state
.state
= rs
;
835 r300
->rs_state
.dirty
= TRUE
;
836 /* XXX Why is this still needed, dammit!? */
837 r300
->scissor_state
.dirty
= TRUE
;
838 r300
->viewport_state
.dirty
= TRUE
;
840 /* XXX Clean these up when we move to atom emits */
841 if (r300
->fs
&& r300
->fs
->inputs
.wpos
!= ATTR_UNUSED
) {
842 r300
->dirty_state
|= R300_NEW_FRAGMENT_SHADER_CONSTANTS
;
846 /* Free rasterizer state. */
847 static void r300_delete_rs_state(struct pipe_context
* pipe
, void* state
)
853 r300_create_sampler_state(struct pipe_context
* pipe
,
854 const struct pipe_sampler_state
* state
)
856 struct r300_context
* r300
= r300_context(pipe
);
857 struct r300_sampler_state
* sampler
= CALLOC_STRUCT(r300_sampler_state
);
861 sampler
->state
= *state
;
864 (r300_translate_wrap(state
->wrap_s
) << R300_TX_WRAP_S_SHIFT
) |
865 (r300_translate_wrap(state
->wrap_t
) << R300_TX_WRAP_T_SHIFT
) |
866 (r300_translate_wrap(state
->wrap_r
) << R300_TX_WRAP_R_SHIFT
);
868 sampler
->filter0
|= r300_translate_tex_filters(state
->min_img_filter
,
869 state
->mag_img_filter
,
870 state
->min_mip_filter
,
871 state
->max_anisotropy
> 0);
873 /* Unfortunately, r300-r500 don't support floating-point mipmap lods. */
874 /* We must pass these to the emit function to clamp them properly. */
875 sampler
->min_lod
= MAX2((unsigned)state
->min_lod
, 0);
876 sampler
->max_lod
= MAX2((unsigned)ceilf(state
->max_lod
), 0);
878 lod_bias
= CLAMP((int)(state
->lod_bias
* 32), -(1 << 9), (1 << 9) - 1);
880 sampler
->filter1
|= lod_bias
<< R300_LOD_BIAS_SHIFT
;
882 sampler
->filter1
|= r300_anisotropy(state
->max_anisotropy
);
884 util_pack_color(state
->border_color
, PIPE_FORMAT_A8R8G8B8_UNORM
, &uc
);
885 sampler
->border_color
= uc
.ui
;
887 /* R500-specific fixups and optimizations */
888 if (r300_screen(r300
->context
.screen
)->caps
->is_r500
) {
889 sampler
->filter1
|= R500_BORDER_FIX
;
892 return (void*)sampler
;
895 static void r300_bind_sampler_states(struct pipe_context
* pipe
,
899 struct r300_context
* r300
= r300_context(pipe
);
906 for (i
= 0; i
< count
; i
++) {
907 if (r300
->sampler_states
[i
] != states
[i
]) {
908 r300
->sampler_states
[i
] = (struct r300_sampler_state
*)states
[i
];
909 r300
->dirty_state
|= (R300_NEW_SAMPLER
<< i
);
913 r300
->sampler_count
= count
;
915 /* Pick a fragment shader based on the texture compare state. */
916 if (r300
->fs
&& (r300
->dirty_state
& R300_ANY_NEW_SAMPLERS
)) {
917 if (r300_pick_fragment_shader(r300
)) {
918 r300
->dirty_state
|= R300_NEW_FRAGMENT_SHADER
|
919 R300_NEW_FRAGMENT_SHADER_CONSTANTS
;
924 static void r300_lacks_vertex_textures(struct pipe_context
* pipe
,
930 static void r300_delete_sampler_state(struct pipe_context
* pipe
, void* state
)
935 static void r300_set_sampler_textures(struct pipe_context
* pipe
,
937 struct pipe_texture
** texture
)
939 struct r300_context
* r300
= r300_context(pipe
);
940 boolean is_r500
= r300_screen(r300
->context
.screen
)->caps
->is_r500
;
948 for (i
= 0; i
< count
; i
++) {
949 if (r300
->textures
[i
] != (struct r300_texture
*)texture
[i
]) {
950 pipe_texture_reference((struct pipe_texture
**)&r300
->textures
[i
],
952 r300
->dirty_state
|= (R300_NEW_TEXTURE
<< i
);
954 /* R300-specific - set the texrect factor in a fragment shader */
955 if (!is_r500
&& r300
->textures
[i
]->is_npot
) {
956 /* XXX It would be nice to re-emit just 1 constant,
957 * XXX not all of them */
958 r300
->dirty_state
|= R300_NEW_FRAGMENT_SHADER_CONSTANTS
;
963 for (i
= count
; i
< 8; i
++) {
964 if (r300
->textures
[i
]) {
965 pipe_texture_reference((struct pipe_texture
**)&r300
->textures
[i
],
967 r300
->dirty_state
|= (R300_NEW_TEXTURE
<< i
);
971 r300
->texture_count
= count
;
974 static void r300_set_scissor_state(struct pipe_context
* pipe
,
975 const struct pipe_scissor_state
* state
)
977 struct r300_context
* r300
= r300_context(pipe
);
979 memcpy(r300
->scissor_state
.state
, state
,
980 sizeof(struct pipe_scissor_state
));
982 r300
->scissor_state
.dirty
= TRUE
;
985 static void r300_set_viewport_state(struct pipe_context
* pipe
,
986 const struct pipe_viewport_state
* state
)
988 struct r300_context
* r300
= r300_context(pipe
);
989 struct r300_viewport_state
* viewport
=
990 (struct r300_viewport_state
*)r300
->viewport_state
.state
;
992 /* Do the transform in HW. */
993 viewport
->vte_control
= R300_VTX_W0_FMT
;
995 if (state
->scale
[0] != 1.0f
) {
996 viewport
->xscale
= state
->scale
[0];
997 viewport
->vte_control
|= R300_VPORT_X_SCALE_ENA
;
999 if (state
->scale
[1] != 1.0f
) {
1000 viewport
->yscale
= state
->scale
[1];
1001 viewport
->vte_control
|= R300_VPORT_Y_SCALE_ENA
;
1003 if (state
->scale
[2] != 1.0f
) {
1004 viewport
->zscale
= state
->scale
[2];
1005 viewport
->vte_control
|= R300_VPORT_Z_SCALE_ENA
;
1007 if (state
->translate
[0] != 0.0f
) {
1008 viewport
->xoffset
= state
->translate
[0];
1009 viewport
->vte_control
|= R300_VPORT_X_OFFSET_ENA
;
1011 if (state
->translate
[1] != 0.0f
) {
1012 viewport
->yoffset
= state
->translate
[1];
1013 viewport
->vte_control
|= R300_VPORT_Y_OFFSET_ENA
;
1015 if (state
->translate
[2] != 0.0f
) {
1016 viewport
->zoffset
= state
->translate
[2];
1017 viewport
->vte_control
|= R300_VPORT_Z_OFFSET_ENA
;
1020 r300
->viewport_state
.dirty
= TRUE
;
1021 if (r300
->fs
&& r300
->fs
->inputs
.wpos
!= ATTR_UNUSED
) {
1022 r300
->dirty_state
|= R300_NEW_FRAGMENT_SHADER_CONSTANTS
;
1026 static void r300_set_vertex_buffers(struct pipe_context
* pipe
,
1028 const struct pipe_vertex_buffer
* buffers
)
1030 struct r300_context
* r300
= r300_context(pipe
);
1032 memcpy(r300
->vertex_buffer
, buffers
,
1033 sizeof(struct pipe_vertex_buffer
) * count
);
1034 r300
->vertex_buffer_count
= count
;
1037 draw_flush(r300
->draw
);
1038 draw_set_vertex_buffers(r300
->draw
, count
, buffers
);
1041 r300
->vertex_format_state
.dirty
= TRUE
;
1044 static boolean
r300_validate_aos(struct r300_context
*r300
)
1046 struct pipe_vertex_buffer
*vbuf
= r300
->vertex_buffer
;
1047 struct pipe_vertex_element
*velem
= r300
->velems
->velem
;
1050 /* Check if formats and strides are aligned to the size of DWORD. */
1051 for (i
= 0; i
< r300
->velems
->count
; i
++) {
1052 if (vbuf
[velem
[i
].vertex_buffer_index
].stride
% 4 != 0 ||
1053 util_format_get_blocksize(velem
[i
].src_format
) % 4 != 0) {
1060 static void* r300_create_vertex_elements_state(struct pipe_context
* pipe
,
1062 const struct pipe_vertex_element
* attribs
)
1064 struct r300_velems_state
*velems
;
1066 /*XXX should precalculate state here instead of later */
1067 assert(count
<= PIPE_MAX_ATTRIBS
);
1068 velems
= CALLOC_STRUCT(r300_velems_state
);
1070 velems
->count
= count
;
1071 memcpy(velems
->velem
, attribs
, sizeof(struct pipe_vertex_element
) * count
);
1076 static void r300_bind_vertex_elements_state(struct pipe_context
*pipe
,
1079 struct r300_context
*r300
= r300_context(pipe
);
1080 struct r300_velems_state
*r300_velems
= (struct r300_velems_state
*) velems
;
1082 if (velems
== NULL
) {
1086 r300
->velems
= r300_velems
;
1089 draw_flush(r300
->draw
);
1090 draw_set_vertex_elements(r300
->draw
, r300_velems
->count
, r300_velems
->velem
);
1093 if (!r300_validate_aos(r300
)) {
1094 /* XXX We should fallback using draw. */
1100 static void r300_delete_vertex_elements_state(struct pipe_context
*pipe
, void *velems
)
1105 static void* r300_create_vs_state(struct pipe_context
* pipe
,
1106 const struct pipe_shader_state
* shader
)
1108 struct r300_context
* r300
= r300_context(pipe
);
1110 if (r300_screen(pipe
->screen
)->caps
->has_tcl
) {
1111 struct r300_vertex_shader
* vs
= CALLOC_STRUCT(r300_vertex_shader
);
1112 /* Copy state directly into shader. */
1113 vs
->state
= *shader
;
1114 vs
->state
.tokens
= tgsi_dup_tokens(shader
->tokens
);
1116 tgsi_scan_shader(shader
->tokens
, &vs
->info
);
1120 return draw_create_vertex_shader(r300
->draw
, shader
);
1124 static void r300_bind_vs_state(struct pipe_context
* pipe
, void* shader
)
1126 struct r300_context
* r300
= r300_context(pipe
);
1128 if (r300_screen(pipe
->screen
)->caps
->has_tcl
) {
1129 struct r300_vertex_shader
* vs
= (struct r300_vertex_shader
*)shader
;
1134 } else if (!vs
->translated
) {
1135 r300_translate_vertex_shader(r300
, vs
);
1140 r300_vertex_shader_setup_wpos(r300
);
1143 r300
->vertex_format_state
.dirty
= TRUE
;
1145 r300
->dirty_state
|=
1146 R300_NEW_VERTEX_SHADER
| R300_NEW_VERTEX_SHADER_CONSTANTS
;
1148 draw_flush(r300
->draw
);
1149 draw_bind_vertex_shader(r300
->draw
,
1150 (struct draw_vertex_shader
*)shader
);
1154 static void r300_delete_vs_state(struct pipe_context
* pipe
, void* shader
)
1156 struct r300_context
* r300
= r300_context(pipe
);
1158 if (r300_screen(pipe
->screen
)->caps
->has_tcl
) {
1159 struct r300_vertex_shader
* vs
= (struct r300_vertex_shader
*)shader
;
1161 rc_constants_destroy(&vs
->code
.constants
);
1162 FREE((void*)vs
->state
.tokens
);
1165 draw_delete_vertex_shader(r300
->draw
,
1166 (struct draw_vertex_shader
*)shader
);
1170 static void r300_set_constant_buffer(struct pipe_context
*pipe
,
1171 uint shader
, uint index
,
1172 struct pipe_buffer
*buf
)
1174 struct r300_context
* r300
= r300_context(pipe
);
1175 struct r300_screen
*r300screen
= r300_screen(pipe
->screen
);
1179 if (buf
== NULL
|| buf
->size
== 0 ||
1180 (mapped
= pipe_buffer_map(pipe
->screen
, buf
, PIPE_BUFFER_USAGE_CPU_READ
)) == NULL
)
1182 r300
->shader_constants
[shader
].count
= 0;
1186 assert((buf
->size
% 4 * sizeof(float)) == 0);
1188 /* Check the size of the constant buffer. */
1190 case PIPE_SHADER_VERTEX
:
1193 case PIPE_SHADER_FRAGMENT
:
1194 if (r300screen
->caps
->is_r500
) {
1196 /* XXX Implement emission of r400's extended constant buffer. */
1197 /*} else if (r300screen->caps->is_r400) {
1207 /* XXX Subtract immediates and RC_STATE_* variables. */
1208 if (buf
->size
> (sizeof(float) * 4 * max_size
)) {
1209 debug_printf("r300: Max size of the constant buffer is "
1210 "%i*4 floats.\n", max_size
);
1214 memcpy(r300
->shader_constants
[shader
].constants
, mapped
, buf
->size
);
1215 r300
->shader_constants
[shader
].count
= buf
->size
/ (4 * sizeof(float));
1216 pipe_buffer_unmap(pipe
->screen
, buf
);
1218 if (shader
== PIPE_SHADER_VERTEX
)
1219 r300
->dirty_state
|= R300_NEW_VERTEX_SHADER_CONSTANTS
;
1220 else if (shader
== PIPE_SHADER_FRAGMENT
)
1221 r300
->dirty_state
|= R300_NEW_FRAGMENT_SHADER_CONSTANTS
;
1224 void r300_init_state_functions(struct r300_context
* r300
)
1226 r300
->context
.create_blend_state
= r300_create_blend_state
;
1227 r300
->context
.bind_blend_state
= r300_bind_blend_state
;
1228 r300
->context
.delete_blend_state
= r300_delete_blend_state
;
1230 r300
->context
.set_blend_color
= r300_set_blend_color
;
1232 r300
->context
.set_clip_state
= r300_set_clip_state
;
1234 r300
->context
.set_constant_buffer
= r300_set_constant_buffer
;
1236 r300
->context
.create_depth_stencil_alpha_state
= r300_create_dsa_state
;
1237 r300
->context
.bind_depth_stencil_alpha_state
= r300_bind_dsa_state
;
1238 r300
->context
.delete_depth_stencil_alpha_state
= r300_delete_dsa_state
;
1240 r300
->context
.set_stencil_ref
= r300_set_stencil_ref
;
1242 r300
->context
.set_framebuffer_state
= r300_set_framebuffer_state
;
1244 r300
->context
.create_fs_state
= r300_create_fs_state
;
1245 r300
->context
.bind_fs_state
= r300_bind_fs_state
;
1246 r300
->context
.delete_fs_state
= r300_delete_fs_state
;
1248 r300
->context
.set_polygon_stipple
= r300_set_polygon_stipple
;
1250 r300
->context
.create_rasterizer_state
= r300_create_rs_state
;
1251 r300
->context
.bind_rasterizer_state
= r300_bind_rs_state
;
1252 r300
->context
.delete_rasterizer_state
= r300_delete_rs_state
;
1254 r300
->context
.create_sampler_state
= r300_create_sampler_state
;
1255 r300
->context
.bind_fragment_sampler_states
= r300_bind_sampler_states
;
1256 r300
->context
.bind_vertex_sampler_states
= r300_lacks_vertex_textures
;
1257 r300
->context
.delete_sampler_state
= r300_delete_sampler_state
;
1259 r300
->context
.set_fragment_sampler_textures
= r300_set_sampler_textures
;
1261 r300
->context
.set_scissor_state
= r300_set_scissor_state
;
1263 r300
->context
.set_viewport_state
= r300_set_viewport_state
;
1265 r300
->context
.set_vertex_buffers
= r300_set_vertex_buffers
;
1267 r300
->context
.create_vertex_elements_state
= r300_create_vertex_elements_state
;
1268 r300
->context
.bind_vertex_elements_state
= r300_bind_vertex_elements_state
;
1269 r300
->context
.delete_vertex_elements_state
= r300_delete_vertex_elements_state
;
1271 r300
->context
.create_vs_state
= r300_create_vs_state
;
1272 r300
->context
.bind_vs_state
= r300_bind_vs_state
;
1273 r300
->context
.delete_vs_state
= r300_delete_vs_state
;