2 * Copyright 2008 Corbin Simpson <MostAwesomeDude@gmail.com>
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * on the rights to use, copy, modify, merge, publish, distribute, sub
8 * license, and/or sell copies of the Software, and to permit persons to whom
9 * the Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
19 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
20 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
21 * USE OR OTHER DEALINGS IN THE SOFTWARE. */
23 #include "draw/draw_context.h"
25 #include "util/u_math.h"
26 #include "util/u_memory.h"
27 #include "util/u_pack_color.h"
29 #include "tgsi/tgsi_parse.h"
31 #include "pipe/p_config.h"
32 #include "pipe/internal/p_winsys_screen.h"
34 #include "r300_context.h"
36 #include "r300_screen.h"
37 #include "r300_state_inlines.h"
41 /* r300_state: Functions used to intialize state context by translating
42 * Gallium state objects into semi-native r300 state objects. */
44 /* Create a new blend state based on the CSO blend state.
46 * This encompasses alpha blending, logic/raster ops, and blend dithering. */
47 static void* r300_create_blend_state(struct pipe_context
* pipe
,
48 const struct pipe_blend_state
* state
)
50 struct r300_blend_state
* blend
= CALLOC_STRUCT(r300_blend_state
);
52 if (state
->blend_enable
)
54 unsigned eqRGB
= state
->rgb_func
;
55 unsigned srcRGB
= state
->rgb_src_factor
;
56 unsigned dstRGB
= state
->rgb_dst_factor
;
58 unsigned eqA
= state
->alpha_func
;
59 unsigned srcA
= state
->alpha_src_factor
;
60 unsigned dstA
= state
->alpha_dst_factor
;
62 /* despite the name, ALPHA_BLEND_ENABLE has nothing to do with alpha,
63 * this is just the crappy D3D naming */
64 blend
->blend_control
= R300_ALPHA_BLEND_ENABLE
|
65 r300_translate_blend_function(eqRGB
) |
66 ( r300_translate_blend_factor(srcRGB
) << R300_SRC_BLEND_SHIFT
) |
67 ( r300_translate_blend_factor(dstRGB
) << R300_DST_BLEND_SHIFT
);
69 /* optimization: some operations do not require the destination color */
70 if (eqRGB
== PIPE_BLEND_MIN
|| eqA
== PIPE_BLEND_MIN
||
71 eqRGB
== PIPE_BLEND_MAX
|| eqA
== PIPE_BLEND_MAX
||
72 dstRGB
!= PIPE_BLENDFACTOR_ZERO
||
73 dstA
!= PIPE_BLENDFACTOR_ZERO
||
74 srcRGB
== PIPE_BLENDFACTOR_DST_COLOR
||
75 srcRGB
== PIPE_BLENDFACTOR_DST_ALPHA
||
76 srcRGB
== PIPE_BLENDFACTOR_INV_DST_COLOR
||
77 srcRGB
== PIPE_BLENDFACTOR_INV_DST_ALPHA
||
78 srcA
== PIPE_BLENDFACTOR_DST_COLOR
||
79 srcA
== PIPE_BLENDFACTOR_DST_ALPHA
||
80 srcA
== PIPE_BLENDFACTOR_INV_DST_COLOR
||
81 srcA
== PIPE_BLENDFACTOR_INV_DST_ALPHA
)
82 blend
->blend_control
|= R300_READ_ENABLE
;
84 /* XXX implement the optimization with DISCARD_SRC_PIXELS*/
85 /* XXX implement the optimization with SRC_ALPHA_?_NO_READ */
88 if (srcA
!= srcRGB
|| dstA
!= dstRGB
|| eqA
!= eqRGB
) {
89 blend
->blend_control
|= R300_SEPARATE_ALPHA_ENABLE
;
90 blend
->alpha_blend_control
=
91 r300_translate_blend_function(eqA
) |
92 (r300_translate_blend_factor(srcA
) << R300_SRC_BLEND_SHIFT
) |
93 (r300_translate_blend_factor(dstA
) << R300_DST_BLEND_SHIFT
);
97 /* PIPE_LOGICOP_* don't need to be translated, fortunately. */
98 if (state
->logicop_enable
) {
99 blend
->rop
= R300_RB3D_ROPCNTL_ROP_ENABLE
|
100 (state
->logicop_func
) << R300_RB3D_ROPCNTL_ROP_SHIFT
;
103 /* Color Channel Mask */
104 if (state
->colormask
& PIPE_MASK_R
) {
105 blend
->color_channel_mask
|= RB3D_COLOR_CHANNEL_MASK_RED_MASK0
;
107 if (state
->colormask
& PIPE_MASK_G
) {
108 blend
->color_channel_mask
|= RB3D_COLOR_CHANNEL_MASK_GREEN_MASK0
;
110 if (state
->colormask
& PIPE_MASK_B
) {
111 blend
->color_channel_mask
|= RB3D_COLOR_CHANNEL_MASK_BLUE_MASK0
;
113 if (state
->colormask
& PIPE_MASK_A
) {
114 blend
->color_channel_mask
|= RB3D_COLOR_CHANNEL_MASK_ALPHA_MASK0
;
118 blend
->dither
= R300_RB3D_DITHER_CTL_DITHER_MODE_LUT
|
119 R300_RB3D_DITHER_CTL_ALPHA_DITHER_MODE_LUT
;
125 /* Bind blend state. */
126 static void r300_bind_blend_state(struct pipe_context
* pipe
,
129 struct r300_context
* r300
= r300_context(pipe
);
131 r300
->blend_state
= (struct r300_blend_state
*)state
;
132 r300
->dirty_state
|= R300_NEW_BLEND
;
135 /* Free blend state. */
136 static void r300_delete_blend_state(struct pipe_context
* pipe
,
142 /* Convert float to 10bit integer */
143 static unsigned float_to_fixed10(float f
)
145 return CLAMP((unsigned)(f
* 1023.9f
), 0, 1023);
149 * Setup both R300 and R500 registers, figure out later which one to write. */
150 static void r300_set_blend_color(struct pipe_context
* pipe
,
151 const struct pipe_blend_color
* color
)
153 struct r300_context
* r300
= r300_context(pipe
);
155 util_pack_color(color
->color
, PIPE_FORMAT_A8R8G8B8_UNORM
,
156 &r300
->blend_color_state
->blend_color
);
158 /* XXX if FP16 blending is enabled, we should use the FP16 format */
159 r300
->blend_color_state
->blend_color_red_alpha
=
160 float_to_fixed10(color
->color
[0]) |
161 (float_to_fixed10(color
->color
[3]) << 16);
162 r300
->blend_color_state
->blend_color_green_blue
=
163 float_to_fixed10(color
->color
[2]) |
164 (float_to_fixed10(color
->color
[1]) << 16);
166 r300
->dirty_state
|= R300_NEW_BLEND_COLOR
;
169 static void r300_set_clip_state(struct pipe_context
* pipe
,
170 const struct pipe_clip_state
* state
)
172 struct r300_context
* r300
= r300_context(pipe
);
174 if (r300_screen(pipe
->screen
)->caps
->has_tcl
) {
175 r300
->clip_state
= *state
;
176 r300
->dirty_state
|= R300_NEW_CLIP
;
178 draw_flush(r300
->draw
);
179 draw_set_clip_state(r300
->draw
, state
);
183 /* Create a new depth, stencil, and alpha state based on the CSO dsa state.
185 * This contains the depth buffer, stencil buffer, alpha test, and such.
186 * On the Radeon, depth and stencil buffer setup are intertwined, which is
187 * the reason for some of the strange-looking assignments across registers. */
189 r300_create_dsa_state(struct pipe_context
* pipe
,
190 const struct pipe_depth_stencil_alpha_state
* state
)
192 struct r300_capabilities
*caps
=
193 r300_screen(r300_context(pipe
)->context
.screen
)->caps
;
194 struct r300_dsa_state
* dsa
= CALLOC_STRUCT(r300_dsa_state
);
196 /* Depth test setup. */
197 if (state
->depth
.enabled
) {
198 dsa
->z_buffer_control
|= R300_Z_ENABLE
;
200 if (state
->depth
.writemask
) {
201 dsa
->z_buffer_control
|= R300_Z_WRITE_ENABLE
;
204 dsa
->z_stencil_control
|=
205 (r300_translate_depth_stencil_function(state
->depth
.func
) <<
209 /* Stencil buffer setup. */
210 if (state
->stencil
[0].enabled
) {
211 dsa
->z_buffer_control
|= R300_STENCIL_ENABLE
;
212 dsa
->z_stencil_control
|=
213 (r300_translate_depth_stencil_function(state
->stencil
[0].func
) <<
214 R300_S_FRONT_FUNC_SHIFT
) |
215 (r300_translate_stencil_op(state
->stencil
[0].fail_op
) <<
216 R300_S_FRONT_SFAIL_OP_SHIFT
) |
217 (r300_translate_stencil_op(state
->stencil
[0].zpass_op
) <<
218 R300_S_FRONT_ZPASS_OP_SHIFT
) |
219 (r300_translate_stencil_op(state
->stencil
[0].zfail_op
) <<
220 R300_S_FRONT_ZFAIL_OP_SHIFT
);
222 dsa
->stencil_ref_mask
= (state
->stencil
[0].ref_value
) |
223 (state
->stencil
[0].valuemask
<< R300_STENCILMASK_SHIFT
) |
224 (state
->stencil
[0].writemask
<< R300_STENCILWRITEMASK_SHIFT
);
226 if (state
->stencil
[1].enabled
) {
227 dsa
->z_buffer_control
|= R300_STENCIL_FRONT_BACK
;
228 dsa
->z_stencil_control
|=
229 (r300_translate_depth_stencil_function(state
->stencil
[1].func
) <<
230 R300_S_BACK_FUNC_SHIFT
) |
231 (r300_translate_stencil_op(state
->stencil
[1].fail_op
) <<
232 R300_S_BACK_SFAIL_OP_SHIFT
) |
233 (r300_translate_stencil_op(state
->stencil
[1].zpass_op
) <<
234 R300_S_BACK_ZPASS_OP_SHIFT
) |
235 (r300_translate_stencil_op(state
->stencil
[1].zfail_op
) <<
236 R300_S_BACK_ZFAIL_OP_SHIFT
);
238 /* XXX it seems r3xx doesn't support STENCILREFMASK_BF */
241 dsa
->z_buffer_control
|= R500_STENCIL_REFMASK_FRONT_BACK
;
242 dsa
->stencil_ref_bf
= (state
->stencil
[1].ref_value
) |
243 (state
->stencil
[1].valuemask
<<
244 R300_STENCILMASK_SHIFT
) |
245 (state
->stencil
[1].writemask
<<
246 R300_STENCILWRITEMASK_SHIFT
);
251 /* Alpha test setup. */
252 if (state
->alpha
.enabled
) {
253 dsa
->alpha_function
=
254 r300_translate_alpha_function(state
->alpha
.func
) |
255 R300_FG_ALPHA_FUNC_ENABLE
;
257 /* XXX figure out why emitting 10bit alpha ref causes CS to dump */
258 /* always use 8bit alpha ref */
259 dsa
->alpha_function
|= float_to_ubyte(state
->alpha
.ref_value
);
262 dsa
->alpha_function
|= R500_FG_ALPHA_FUNC_8BIT
;
268 /* Bind DSA state. */
269 static void r300_bind_dsa_state(struct pipe_context
* pipe
,
272 struct r300_context
* r300
= r300_context(pipe
);
274 r300
->dsa_state
= (struct r300_dsa_state
*)state
;
275 r300
->dirty_state
|= R300_NEW_DSA
;
278 /* Free DSA state. */
279 static void r300_delete_dsa_state(struct pipe_context
* pipe
,
285 static void r300_set_edgeflags(struct pipe_context
* pipe
,
286 const unsigned* bitfield
)
288 /* XXX you know it's bad when i915 has this blank too */
289 /* XXX and even worse, I have no idea WTF the bitfield is */
292 static void r300_set_scissor_regs(const struct pipe_scissor_state
* state
,
293 struct r300_scissor_regs
*scissor
,
298 (state
->minx
<< R300_SCISSORS_X_SHIFT
) |
299 (state
->miny
<< R300_SCISSORS_Y_SHIFT
);
300 scissor
->bottom_right
=
301 ((state
->maxx
- 1) << R300_SCISSORS_X_SHIFT
) |
302 ((state
->maxy
- 1) << R300_SCISSORS_Y_SHIFT
);
304 /* Offset of 1440 in non-R500 chipsets. */
306 ((state
->minx
+ 1440) << R300_SCISSORS_X_SHIFT
) |
307 ((state
->miny
+ 1440) << R300_SCISSORS_Y_SHIFT
);
308 scissor
->bottom_right
=
309 (((state
->maxx
- 1) + 1440) << R300_SCISSORS_X_SHIFT
) |
310 (((state
->maxy
- 1) + 1440) << R300_SCISSORS_Y_SHIFT
);
315 r300_set_framebuffer_state(struct pipe_context
* pipe
,
316 const struct pipe_framebuffer_state
* state
)
318 struct r300_context
* r300
= r300_context(pipe
);
319 struct pipe_scissor_state scissor
;
322 draw_flush(r300
->draw
);
325 r300
->framebuffer_state
= *state
;
327 scissor
.minx
= scissor
.miny
= 0;
328 scissor
.maxx
= state
->width
;
329 scissor
.maxy
= state
->height
;
330 r300_set_scissor_regs(&scissor
, &r300
->scissor_state
->framebuffer
,
331 r300_screen(r300
->context
.screen
)->caps
->is_r500
);
333 /* Don't rely on the order of states being set for the first time. */
334 if (!r300
->rs_state
|| !r300
->rs_state
->rs
.scissor
) {
335 r300
->dirty_state
|= R300_NEW_SCISSOR
;
337 r300
->dirty_state
|= R300_NEW_FRAMEBUFFERS
;
340 /* Create fragment shader state. */
341 static void* r300_create_fs_state(struct pipe_context
* pipe
,
342 const struct pipe_shader_state
* shader
)
344 struct r300_fragment_shader
* fs
= NULL
;
346 fs
= (struct r300_fragment_shader
*)CALLOC_STRUCT(r300_fragment_shader
);
348 /* Copy state directly into shader. */
350 fs
->state
.tokens
= tgsi_dup_tokens(shader
->tokens
);
352 tgsi_scan_shader(shader
->tokens
, &fs
->info
);
357 /* Bind fragment shader state. */
358 static void r300_bind_fs_state(struct pipe_context
* pipe
, void* shader
)
360 struct r300_context
* r300
= r300_context(pipe
);
361 struct r300_fragment_shader
* fs
= (struct r300_fragment_shader
*)shader
;
366 } else if (!fs
->translated
) {
367 r300_translate_fragment_shader(r300
, fs
);
372 r300
->dirty_state
|= R300_NEW_FRAGMENT_SHADER
| R300_NEW_FRAGMENT_SHADER_CONSTANTS
;
375 /* Delete fragment shader state. */
376 static void r300_delete_fs_state(struct pipe_context
* pipe
, void* shader
)
378 struct r300_fragment_shader
* fs
= (struct r300_fragment_shader
*)shader
;
379 rc_constants_destroy(&fs
->code
.constants
);
380 FREE((void*)fs
->state
.tokens
);
384 static void r300_set_polygon_stipple(struct pipe_context
* pipe
,
385 const struct pipe_poly_stipple
* state
)
387 /* XXX no idea how to set this up, but not terribly important */
390 /* Create a new rasterizer state based on the CSO rasterizer state.
392 * This is a very large chunk of state, and covers most of the graphics
393 * backend (GB), geometry assembly (GA), and setup unit (SU) blocks.
395 * In a not entirely unironic sidenote, this state has nearly nothing to do
396 * with the actual block on the Radeon called the rasterizer (RS). */
397 static void* r300_create_rs_state(struct pipe_context
* pipe
,
398 const struct pipe_rasterizer_state
* state
)
400 struct r300_rs_state
* rs
= CALLOC_STRUCT(r300_rs_state
);
402 /* Copy rasterizer state for Draw. */
405 rs
->enable_vte
= !state
->bypass_vs_clip_and_viewport
;
407 #ifdef PIPE_ARCH_LITTLE_ENDIAN
408 rs
->vap_control_status
= R300_VC_NO_SWAP
;
410 rs
->vap_control_status
= R300_VC_32BIT_SWAP
;
413 /* If bypassing TCL, or if no TCL engine is present, turn off the HW TCL.
414 * Else, enable HW TCL and force Draw's TCL off. */
415 if (state
->bypass_vs_clip_and_viewport
||
416 !r300_screen(pipe
->screen
)->caps
->has_tcl
) {
417 rs
->vap_control_status
|= R300_VAP_TCL_BYPASS
;
419 rs
->rs
.bypass_vs_clip_and_viewport
= TRUE
;
422 rs
->point_size
= pack_float_16_6x(state
->point_size
) |
423 (pack_float_16_6x(state
->point_size
) << R300_POINTSIZE_X_SHIFT
);
426 ((int)(state
->point_size_min
* 6.0) <<
427 R300_GA_POINT_MINMAX_MIN_SHIFT
) |
428 ((int)(state
->point_size_max
* 6.0) <<
429 R300_GA_POINT_MINMAX_MAX_SHIFT
);
431 rs
->line_control
= pack_float_16_6x(state
->line_width
) |
432 R300_GA_LINE_CNTL_END_TYPE_COMP
;
434 /* XXX I think there is something wrong with the polygon mode,
435 * XXX re-test when r300g is in a better shape */
437 /* Enable polygon mode */
438 if (state
->fill_cw
!= PIPE_POLYGON_MODE_FILL
||
439 state
->fill_ccw
!= PIPE_POLYGON_MODE_FILL
) {
440 rs
->polygon_mode
= R300_GA_POLY_MODE_DUAL
;
443 /* Radeons don't think in "CW/CCW", they think in "front/back". */
444 if (state
->front_winding
== PIPE_WINDING_CW
) {
445 rs
->cull_mode
= R300_FRONT_FACE_CW
;
448 if (state
->offset_cw
) {
449 rs
->polygon_offset_enable
|= R300_FRONT_ENABLE
;
451 if (state
->offset_ccw
) {
452 rs
->polygon_offset_enable
|= R300_BACK_ENABLE
;
456 if (rs
->polygon_mode
) {
458 r300_translate_polygon_mode_front(state
->fill_cw
);
460 r300_translate_polygon_mode_back(state
->fill_ccw
);
463 rs
->cull_mode
= R300_FRONT_FACE_CCW
;
466 if (state
->offset_ccw
) {
467 rs
->polygon_offset_enable
|= R300_FRONT_ENABLE
;
469 if (state
->offset_cw
) {
470 rs
->polygon_offset_enable
|= R300_BACK_ENABLE
;
474 if (rs
->polygon_mode
) {
476 r300_translate_polygon_mode_front(state
->fill_ccw
);
478 r300_translate_polygon_mode_back(state
->fill_cw
);
481 if (state
->front_winding
& state
->cull_mode
) {
482 rs
->cull_mode
|= R300_CULL_FRONT
;
484 if (~(state
->front_winding
) & state
->cull_mode
) {
485 rs
->cull_mode
|= R300_CULL_BACK
;
488 if (rs
->polygon_offset_enable
) {
489 rs
->depth_offset_front
= rs
->depth_offset_back
=
490 fui(state
->offset_units
);
491 rs
->depth_scale_front
= rs
->depth_scale_back
=
492 fui(state
->offset_scale
);
495 if (state
->line_stipple_enable
) {
496 rs
->line_stipple_config
=
497 R300_GA_LINE_STIPPLE_CONFIG_LINE_RESET_LINE
|
498 (fui((float)state
->line_stipple_factor
) &
499 R300_GA_LINE_STIPPLE_CONFIG_STIPPLE_SCALE_MASK
);
500 /* XXX this might need to be scaled up */
501 rs
->line_stipple_value
= state
->line_stipple_pattern
;
504 if (state
->flatshade
) {
505 rs
->color_control
= R300_SHADE_MODEL_FLAT
;
507 rs
->color_control
= R300_SHADE_MODEL_SMOOTH
;
510 if (!state
->flatshade_first
) {
511 rs
->color_control
|= R300_GA_COLOR_CONTROL_PROVOKING_VERTEX_LAST
;
517 /* Bind rasterizer state. */
518 static void r300_bind_rs_state(struct pipe_context
* pipe
, void* state
)
520 struct r300_context
* r300
= r300_context(pipe
);
521 struct r300_rs_state
* rs
= (struct r300_rs_state
*)state
;
524 draw_flush(r300
->draw
);
525 draw_set_rasterizer_state(r300
->draw
, &rs
->rs
);
529 /* XXX Clean these up when we move to atom emits */
530 r300
->dirty_state
|= R300_NEW_RASTERIZER
;
531 r300
->dirty_state
|= R300_NEW_RS_BLOCK
;
532 r300
->dirty_state
|= R300_NEW_SCISSOR
;
533 r300
->dirty_state
|= R300_NEW_VIEWPORT
;
536 /* Free rasterizer state. */
537 static void r300_delete_rs_state(struct pipe_context
* pipe
, void* state
)
543 r300_create_sampler_state(struct pipe_context
* pipe
,
544 const struct pipe_sampler_state
* state
)
546 struct r300_context
* r300
= r300_context(pipe
);
547 struct r300_sampler_state
* sampler
= CALLOC_STRUCT(r300_sampler_state
);
551 (r300_translate_wrap(state
->wrap_s
) << R300_TX_WRAP_S_SHIFT
) |
552 (r300_translate_wrap(state
->wrap_t
) << R300_TX_WRAP_T_SHIFT
) |
553 (r300_translate_wrap(state
->wrap_r
) << R300_TX_WRAP_R_SHIFT
);
555 sampler
->filter0
|= r300_translate_tex_filters(state
->min_img_filter
,
556 state
->mag_img_filter
,
557 state
->min_mip_filter
);
559 /* Unfortunately, r300-r500 don't support floating-point mipmap lods. */
560 /* We must pass these to the emit function to clamp them properly. */
561 sampler
->min_lod
= MAX2((unsigned)state
->min_lod
, 0);
562 sampler
->max_lod
= MAX2((unsigned)ceilf(state
->max_lod
), 0);
564 lod_bias
= CLAMP((int)(state
->lod_bias
* 32), -(1 << 9), (1 << 9) - 1);
566 sampler
->filter1
|= lod_bias
<< R300_LOD_BIAS_SHIFT
;
568 sampler
->filter1
|= r300_anisotropy(state
->max_anisotropy
);
570 util_pack_color(state
->border_color
, PIPE_FORMAT_A8R8G8B8_UNORM
,
571 &sampler
->border_color
);
573 /* R500-specific fixups and optimizations */
574 if (r300_screen(r300
->context
.screen
)->caps
->is_r500
) {
575 sampler
->filter1
|= R500_BORDER_FIX
;
578 return (void*)sampler
;
581 static void r300_bind_sampler_states(struct pipe_context
* pipe
,
585 struct r300_context
* r300
= r300_context(pipe
);
592 for (i
= 0; i
< count
; i
++) {
593 if (r300
->sampler_states
[i
] != states
[i
]) {
594 r300
->sampler_states
[i
] = (struct r300_sampler_state
*)states
[i
];
595 r300
->dirty_state
|= (R300_NEW_SAMPLER
<< i
);
599 r300
->sampler_count
= count
;
602 static void r300_lacks_vertex_textures(struct pipe_context
* pipe
,
608 static void r300_delete_sampler_state(struct pipe_context
* pipe
, void* state
)
613 static void r300_set_sampler_textures(struct pipe_context
* pipe
,
615 struct pipe_texture
** texture
)
617 struct r300_context
* r300
= r300_context(pipe
);
618 boolean is_r500
= r300_screen(r300
->context
.screen
)->caps
->is_r500
;
626 r300
->context
.flush(&r300
->context
, 0, NULL
);
628 for (i
= 0; i
< count
; i
++) {
629 if (r300
->textures
[i
] != (struct r300_texture
*)texture
[i
]) {
630 pipe_texture_reference((struct pipe_texture
**)&r300
->textures
[i
],
632 r300
->dirty_state
|= (R300_NEW_TEXTURE
<< i
);
634 /* R300-specific - set the texrect factor in a fragment shader */
635 if (!is_r500
&& r300
->textures
[i
]->is_npot
) {
636 /* XXX It would be nice to re-emit just 1 constant,
637 * XXX not all of them */
638 r300
->dirty_state
|= R300_NEW_FRAGMENT_SHADER_CONSTANTS
;
643 for (i
= count
; i
< 8; i
++) {
644 if (r300
->textures
[i
]) {
645 pipe_texture_reference((struct pipe_texture
**)&r300
->textures
[i
],
647 r300
->dirty_state
|= (R300_NEW_TEXTURE
<< i
);
651 r300
->texture_count
= count
;
654 static void r300_set_scissor_state(struct pipe_context
* pipe
,
655 const struct pipe_scissor_state
* state
)
657 struct r300_context
* r300
= r300_context(pipe
);
659 r300_set_scissor_regs(state
, &r300
->scissor_state
->scissor
,
660 r300_screen(r300
->context
.screen
)->caps
->is_r500
);
662 /* Don't rely on the order of states being set for the first time. */
663 if (!r300
->rs_state
|| r300
->rs_state
->rs
.scissor
) {
664 r300
->dirty_state
|= R300_NEW_SCISSOR
;
668 static void r300_set_viewport_state(struct pipe_context
* pipe
,
669 const struct pipe_viewport_state
* state
)
671 struct r300_context
* r300
= r300_context(pipe
);
673 /* Do the transform in HW. */
674 r300
->viewport_state
->vte_control
= R300_VTX_W0_FMT
;
676 if (state
->scale
[0] != 1.0f
) {
677 r300
->viewport_state
->xscale
= state
->scale
[0];
678 r300
->viewport_state
->vte_control
|= R300_VPORT_X_SCALE_ENA
;
680 if (state
->scale
[1] != 1.0f
) {
681 r300
->viewport_state
->yscale
= state
->scale
[1];
682 r300
->viewport_state
->vte_control
|= R300_VPORT_Y_SCALE_ENA
;
684 if (state
->scale
[2] != 1.0f
) {
685 r300
->viewport_state
->zscale
= state
->scale
[2];
686 r300
->viewport_state
->vte_control
|= R300_VPORT_Z_SCALE_ENA
;
688 if (state
->translate
[0] != 0.0f
) {
689 r300
->viewport_state
->xoffset
= state
->translate
[0];
690 r300
->viewport_state
->vte_control
|= R300_VPORT_X_OFFSET_ENA
;
692 if (state
->translate
[1] != 0.0f
) {
693 r300
->viewport_state
->yoffset
= state
->translate
[1];
694 r300
->viewport_state
->vte_control
|= R300_VPORT_Y_OFFSET_ENA
;
696 if (state
->translate
[2] != 0.0f
) {
697 r300
->viewport_state
->zoffset
= state
->translate
[2];
698 r300
->viewport_state
->vte_control
|= R300_VPORT_Z_OFFSET_ENA
;
701 r300
->dirty_state
|= R300_NEW_VIEWPORT
;
704 static void r300_set_vertex_buffers(struct pipe_context
* pipe
,
706 const struct pipe_vertex_buffer
* buffers
)
708 struct r300_context
* r300
= r300_context(pipe
);
710 memcpy(r300
->vertex_buffer
, buffers
,
711 sizeof(struct pipe_vertex_buffer
) * count
);
712 r300
->vertex_buffer_count
= count
;
715 draw_flush(r300
->draw
);
716 draw_set_vertex_buffers(r300
->draw
, count
, buffers
);
719 r300
->dirty_state
|= R300_NEW_VERTEX_FORMAT
;
722 static void r300_set_vertex_elements(struct pipe_context
* pipe
,
724 const struct pipe_vertex_element
* elements
)
726 struct r300_context
* r300
= r300_context(pipe
);
728 memcpy(r300
->vertex_element
,
730 sizeof(struct pipe_vertex_element
) * count
);
731 r300
->vertex_element_count
= count
;
734 draw_flush(r300
->draw
);
735 draw_set_vertex_elements(r300
->draw
, count
, elements
);
739 static void* r300_create_vs_state(struct pipe_context
* pipe
,
740 const struct pipe_shader_state
* shader
)
742 struct r300_context
* r300
= r300_context(pipe
);
744 if (r300_screen(pipe
->screen
)->caps
->has_tcl
) {
745 struct r300_vertex_shader
* vs
= CALLOC_STRUCT(r300_vertex_shader
);
746 /* Copy state directly into shader. */
748 vs
->state
.tokens
= tgsi_dup_tokens(shader
->tokens
);
750 tgsi_scan_shader(shader
->tokens
, &vs
->info
);
754 return draw_create_vertex_shader(r300
->draw
, shader
);
758 static void r300_bind_vs_state(struct pipe_context
* pipe
, void* shader
)
760 struct r300_context
* r300
= r300_context(pipe
);
762 if (r300_screen(pipe
->screen
)->caps
->has_tcl
) {
763 struct r300_vertex_shader
* vs
= (struct r300_vertex_shader
*)shader
;
768 } else if (!vs
->translated
) {
769 r300_translate_vertex_shader(r300
, vs
);
773 r300
->dirty_state
|= R300_NEW_VERTEX_SHADER
| R300_NEW_VERTEX_SHADER_CONSTANTS
;
775 draw_flush(r300
->draw
);
776 draw_bind_vertex_shader(r300
->draw
,
777 (struct draw_vertex_shader
*)shader
);
781 static void r300_delete_vs_state(struct pipe_context
* pipe
, void* shader
)
783 struct r300_context
* r300
= r300_context(pipe
);
785 if (r300_screen(pipe
->screen
)->caps
->has_tcl
) {
786 struct r300_vertex_shader
* vs
= (struct r300_vertex_shader
*)shader
;
788 rc_constants_destroy(&vs
->code
.constants
);
789 FREE((void*)vs
->state
.tokens
);
792 draw_delete_vertex_shader(r300
->draw
,
793 (struct draw_vertex_shader
*)shader
);
797 static void r300_set_constant_buffer(struct pipe_context
*pipe
,
798 uint shader
, uint index
,
799 const struct pipe_constant_buffer
*buf
)
801 struct r300_context
* r300
= r300_context(pipe
);
804 if (buf
== NULL
|| buf
->buffer
->size
== 0 ||
805 (mapped
= pipe_buffer_map(pipe
->screen
, buf
->buffer
, PIPE_BUFFER_USAGE_CPU_READ
)) == NULL
)
807 r300
->shader_constants
[shader
].count
= 0;
811 assert((buf
->buffer
->size
% 4 * sizeof(float)) == 0);
812 memcpy(r300
->shader_constants
[shader
].constants
, mapped
, buf
->buffer
->size
);
813 r300
->shader_constants
[shader
].count
= buf
->buffer
->size
/ (4 * sizeof(float));
814 pipe_buffer_unmap(pipe
->screen
, buf
->buffer
);
816 if (shader
== PIPE_SHADER_VERTEX
)
817 r300
->dirty_state
|= R300_NEW_VERTEX_SHADER_CONSTANTS
;
818 else if (shader
== PIPE_SHADER_FRAGMENT
)
819 r300
->dirty_state
|= R300_NEW_FRAGMENT_SHADER_CONSTANTS
;
822 void r300_init_state_functions(struct r300_context
* r300
)
824 r300
->context
.create_blend_state
= r300_create_blend_state
;
825 r300
->context
.bind_blend_state
= r300_bind_blend_state
;
826 r300
->context
.delete_blend_state
= r300_delete_blend_state
;
828 r300
->context
.set_blend_color
= r300_set_blend_color
;
830 r300
->context
.set_clip_state
= r300_set_clip_state
;
832 r300
->context
.set_constant_buffer
= r300_set_constant_buffer
;
834 r300
->context
.create_depth_stencil_alpha_state
= r300_create_dsa_state
;
835 r300
->context
.bind_depth_stencil_alpha_state
= r300_bind_dsa_state
;
836 r300
->context
.delete_depth_stencil_alpha_state
= r300_delete_dsa_state
;
838 r300
->context
.set_edgeflags
= r300_set_edgeflags
;
840 r300
->context
.set_framebuffer_state
= r300_set_framebuffer_state
;
842 r300
->context
.create_fs_state
= r300_create_fs_state
;
843 r300
->context
.bind_fs_state
= r300_bind_fs_state
;
844 r300
->context
.delete_fs_state
= r300_delete_fs_state
;
846 r300
->context
.set_polygon_stipple
= r300_set_polygon_stipple
;
848 r300
->context
.create_rasterizer_state
= r300_create_rs_state
;
849 r300
->context
.bind_rasterizer_state
= r300_bind_rs_state
;
850 r300
->context
.delete_rasterizer_state
= r300_delete_rs_state
;
852 r300
->context
.create_sampler_state
= r300_create_sampler_state
;
853 r300
->context
.bind_fragment_sampler_states
= r300_bind_sampler_states
;
854 r300
->context
.bind_vertex_sampler_states
= r300_lacks_vertex_textures
;
855 r300
->context
.delete_sampler_state
= r300_delete_sampler_state
;
857 r300
->context
.set_fragment_sampler_textures
= r300_set_sampler_textures
;
859 r300
->context
.set_scissor_state
= r300_set_scissor_state
;
861 r300
->context
.set_viewport_state
= r300_set_viewport_state
;
863 r300
->context
.set_vertex_buffers
= r300_set_vertex_buffers
;
864 r300
->context
.set_vertex_elements
= r300_set_vertex_elements
;
866 r300
->context
.create_vs_state
= r300_create_vs_state
;
867 r300
->context
.bind_vs_state
= r300_bind_vs_state
;
868 r300
->context
.delete_vs_state
= r300_delete_vs_state
;