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 */
293 r300_set_framebuffer_state(struct pipe_context
* pipe
,
294 const struct pipe_framebuffer_state
* state
)
296 struct r300_context
* r300
= r300_context(pipe
);
299 draw_flush(r300
->draw
);
302 r300
->framebuffer_state
= *state
;
304 r300
->dirty_state
|= R300_NEW_FRAMEBUFFERS
;
306 if (r300_screen(r300
->context
.screen
)->caps
->is_r500
) {
307 r300
->scissor_state
->no_scissor_top_left
=
308 (0 << R300_SCISSORS_X_SHIFT
) |
309 (0 << R300_SCISSORS_Y_SHIFT
);
310 r300
->scissor_state
->no_scissor_bottom_right
=
311 ((state
->width
- 1) << R300_SCISSORS_X_SHIFT
) |
312 ((state
->height
- 1) << R300_SCISSORS_Y_SHIFT
);
314 /* Offset of 1440 in non-R500 chipsets. */
315 r300
->scissor_state
->no_scissor_top_left
=
316 ((0 + 1440) << R300_SCISSORS_X_SHIFT
) |
317 ((0 + 1440) << R300_SCISSORS_Y_SHIFT
);
318 r300
->scissor_state
->no_scissor_bottom_right
=
319 (((state
->width
- 1) + 1440) << R300_SCISSORS_X_SHIFT
) |
320 (((state
->height
- 1) + 1440) << R300_SCISSORS_Y_SHIFT
);
323 r300
->dirty_state
|= R300_NEW_SCISSOR
;
326 /* Create fragment shader state. */
327 static void* r300_create_fs_state(struct pipe_context
* pipe
,
328 const struct pipe_shader_state
* shader
)
330 struct r300_fragment_shader
* fs
= NULL
;
332 fs
= (struct r300_fragment_shader
*)CALLOC_STRUCT(r300_fragment_shader
);
334 /* Copy state directly into shader. */
336 fs
->state
.tokens
= tgsi_dup_tokens(shader
->tokens
);
338 tgsi_scan_shader(shader
->tokens
, &fs
->info
);
343 /* Bind fragment shader state. */
344 static void r300_bind_fs_state(struct pipe_context
* pipe
, void* shader
)
346 struct r300_context
* r300
= r300_context(pipe
);
347 struct r300_fragment_shader
* fs
= (struct r300_fragment_shader
*)shader
;
352 } else if (!fs
->translated
) {
353 r300_translate_fragment_shader(r300
, fs
);
358 r300
->dirty_state
|= R300_NEW_FRAGMENT_SHADER
| R300_NEW_FRAGMENT_SHADER_CONSTANTS
;
361 /* Delete fragment shader state. */
362 static void r300_delete_fs_state(struct pipe_context
* pipe
, void* shader
)
364 struct r300_fragment_shader
* fs
= (struct r300_fragment_shader
*)shader
;
365 rc_constants_destroy(&fs
->code
.constants
);
366 FREE((void*)fs
->state
.tokens
);
370 static void r300_set_polygon_stipple(struct pipe_context
* pipe
,
371 const struct pipe_poly_stipple
* state
)
373 /* XXX no idea how to set this up, but not terribly important */
376 /* Create a new rasterizer state based on the CSO rasterizer state.
378 * This is a very large chunk of state, and covers most of the graphics
379 * backend (GB), geometry assembly (GA), and setup unit (SU) blocks.
381 * In a not entirely unironic sidenote, this state has nearly nothing to do
382 * with the actual block on the Radeon called the rasterizer (RS). */
383 static void* r300_create_rs_state(struct pipe_context
* pipe
,
384 const struct pipe_rasterizer_state
* state
)
386 struct r300_rs_state
* rs
= CALLOC_STRUCT(r300_rs_state
);
388 /* Copy rasterizer state for Draw. */
391 rs
->enable_vte
= !state
->bypass_vs_clip_and_viewport
;
393 #ifdef PIPE_ARCH_LITTLE_ENDIAN
394 rs
->vap_control_status
= R300_VC_NO_SWAP
;
396 rs
->vap_control_status
= R300_VC_32BIT_SWAP
;
399 /* If bypassing TCL, or if no TCL engine is present, turn off the HW TCL.
400 * Else, enable HW TCL and force Draw's TCL off. */
401 if (state
->bypass_vs_clip_and_viewport
||
402 !r300_screen(pipe
->screen
)->caps
->has_tcl
) {
403 rs
->vap_control_status
|= R300_VAP_TCL_BYPASS
;
405 rs
->rs
.bypass_vs_clip_and_viewport
= TRUE
;
408 rs
->point_size
= pack_float_16_6x(state
->point_size
) |
409 (pack_float_16_6x(state
->point_size
) << R300_POINTSIZE_X_SHIFT
);
412 ((int)(state
->point_size_min
* 6.0) <<
413 R300_GA_POINT_MINMAX_MIN_SHIFT
) |
414 ((int)(state
->point_size_max
* 6.0) <<
415 R300_GA_POINT_MINMAX_MAX_SHIFT
);
417 rs
->line_control
= pack_float_16_6x(state
->line_width
) |
418 R300_GA_LINE_CNTL_END_TYPE_COMP
;
420 /* XXX I think there is something wrong with the polygon mode,
421 * XXX re-test when r300g is in a better shape */
423 /* Enable polygon mode */
424 if (state
->fill_cw
!= PIPE_POLYGON_MODE_FILL
||
425 state
->fill_ccw
!= PIPE_POLYGON_MODE_FILL
) {
426 rs
->polygon_mode
= R300_GA_POLY_MODE_DUAL
;
429 /* Radeons don't think in "CW/CCW", they think in "front/back". */
430 if (state
->front_winding
== PIPE_WINDING_CW
) {
431 rs
->cull_mode
= R300_FRONT_FACE_CW
;
434 if (state
->offset_cw
) {
435 rs
->polygon_offset_enable
|= R300_FRONT_ENABLE
;
437 if (state
->offset_ccw
) {
438 rs
->polygon_offset_enable
|= R300_BACK_ENABLE
;
442 if (rs
->polygon_mode
) {
444 r300_translate_polygon_mode_front(state
->fill_cw
);
446 r300_translate_polygon_mode_back(state
->fill_ccw
);
449 rs
->cull_mode
= R300_FRONT_FACE_CCW
;
452 if (state
->offset_ccw
) {
453 rs
->polygon_offset_enable
|= R300_FRONT_ENABLE
;
455 if (state
->offset_cw
) {
456 rs
->polygon_offset_enable
|= R300_BACK_ENABLE
;
460 if (rs
->polygon_mode
) {
462 r300_translate_polygon_mode_front(state
->fill_ccw
);
464 r300_translate_polygon_mode_back(state
->fill_cw
);
467 if (state
->front_winding
& state
->cull_mode
) {
468 rs
->cull_mode
|= R300_CULL_FRONT
;
470 if (~(state
->front_winding
) & state
->cull_mode
) {
471 rs
->cull_mode
|= R300_CULL_BACK
;
474 if (rs
->polygon_offset_enable
) {
475 rs
->depth_offset_front
= rs
->depth_offset_back
=
476 fui(state
->offset_units
);
477 rs
->depth_scale_front
= rs
->depth_scale_back
=
478 fui(state
->offset_scale
);
481 if (state
->line_stipple_enable
) {
482 rs
->line_stipple_config
=
483 R300_GA_LINE_STIPPLE_CONFIG_LINE_RESET_LINE
|
484 (fui((float)state
->line_stipple_factor
) &
485 R300_GA_LINE_STIPPLE_CONFIG_STIPPLE_SCALE_MASK
);
486 /* XXX this might need to be scaled up */
487 rs
->line_stipple_value
= state
->line_stipple_pattern
;
490 if (state
->flatshade
) {
491 rs
->color_control
= R300_SHADE_MODEL_FLAT
;
493 rs
->color_control
= R300_SHADE_MODEL_SMOOTH
;
496 if (!state
->flatshade_first
) {
497 rs
->color_control
|= R300_GA_COLOR_CONTROL_PROVOKING_VERTEX_LAST
;
503 /* Bind rasterizer state. */
504 static void r300_bind_rs_state(struct pipe_context
* pipe
, void* state
)
506 struct r300_context
* r300
= r300_context(pipe
);
507 struct r300_rs_state
* rs
= (struct r300_rs_state
*)state
;
510 draw_flush(r300
->draw
);
511 draw_set_rasterizer_state(r300
->draw
, &rs
->rs
);
515 /* XXX Clean these up when we move to atom emits */
516 r300
->dirty_state
|= R300_NEW_RASTERIZER
;
517 r300
->dirty_state
|= R300_NEW_RS_BLOCK
;
518 r300
->dirty_state
|= R300_NEW_SCISSOR
;
519 r300
->dirty_state
|= R300_NEW_VIEWPORT
;
522 /* Free rasterizer state. */
523 static void r300_delete_rs_state(struct pipe_context
* pipe
, void* state
)
529 r300_create_sampler_state(struct pipe_context
* pipe
,
530 const struct pipe_sampler_state
* state
)
532 struct r300_context
* r300
= r300_context(pipe
);
533 struct r300_sampler_state
* sampler
= CALLOC_STRUCT(r300_sampler_state
);
537 (r300_translate_wrap(state
->wrap_s
) << R300_TX_WRAP_S_SHIFT
) |
538 (r300_translate_wrap(state
->wrap_t
) << R300_TX_WRAP_T_SHIFT
) |
539 (r300_translate_wrap(state
->wrap_r
) << R300_TX_WRAP_R_SHIFT
);
541 sampler
->filter0
|= r300_translate_tex_filters(state
->min_img_filter
,
542 state
->mag_img_filter
,
543 state
->min_mip_filter
);
545 /* Unfortunately, r300-r500 don't support floating-point mipmap lods. */
546 /* We must pass these to the emit function to clamp them properly. */
547 sampler
->min_lod
= MAX2((unsigned)state
->min_lod
, 0);
548 sampler
->max_lod
= MAX2((unsigned)ceilf(state
->max_lod
), 0);
550 lod_bias
= CLAMP((int)(state
->lod_bias
* 32), -(1 << 9), (1 << 9) - 1);
552 sampler
->filter1
|= lod_bias
<< R300_LOD_BIAS_SHIFT
;
554 sampler
->filter1
|= r300_anisotropy(state
->max_anisotropy
);
556 util_pack_color(state
->border_color
, PIPE_FORMAT_A8R8G8B8_UNORM
,
557 &sampler
->border_color
);
559 /* R500-specific fixups and optimizations */
560 if (r300_screen(r300
->context
.screen
)->caps
->is_r500
) {
561 sampler
->filter1
|= R500_BORDER_FIX
;
564 return (void*)sampler
;
567 static void r300_bind_sampler_states(struct pipe_context
* pipe
,
571 struct r300_context
* r300
= r300_context(pipe
);
578 for (i
= 0; i
< count
; i
++) {
579 if (r300
->sampler_states
[i
] != states
[i
]) {
580 r300
->sampler_states
[i
] = (struct r300_sampler_state
*)states
[i
];
581 r300
->dirty_state
|= (R300_NEW_SAMPLER
<< i
);
585 r300
->sampler_count
= count
;
588 static void r300_lacks_vertex_textures(struct pipe_context
* pipe
,
594 static void r300_delete_sampler_state(struct pipe_context
* pipe
, void* state
)
599 static void r300_set_sampler_textures(struct pipe_context
* pipe
,
601 struct pipe_texture
** texture
)
603 struct r300_context
* r300
= r300_context(pipe
);
604 boolean is_r500
= r300_screen(r300
->context
.screen
)->caps
->is_r500
;
612 r300
->context
.flush(&r300
->context
, 0, NULL
);
614 for (i
= 0; i
< count
; i
++) {
615 if (r300
->textures
[i
] != (struct r300_texture
*)texture
[i
]) {
616 pipe_texture_reference((struct pipe_texture
**)&r300
->textures
[i
],
618 r300
->dirty_state
|= (R300_NEW_TEXTURE
<< i
);
620 /* R300-specific - set the texrect factor in a fragment shader */
621 if (!is_r500
&& r300
->textures
[i
]->is_npot
) {
622 /* XXX It would be nice to re-emit just 1 constant,
623 * XXX not all of them */
624 r300
->dirty_state
|= R300_NEW_FRAGMENT_SHADER_CONSTANTS
;
629 for (i
= count
; i
< 8; i
++) {
630 if (r300
->textures
[i
]) {
631 pipe_texture_reference((struct pipe_texture
**)&r300
->textures
[i
],
633 r300
->dirty_state
|= (R300_NEW_TEXTURE
<< i
);
637 r300
->texture_count
= count
;
640 static void r300_set_scissor_state(struct pipe_context
* pipe
,
641 const struct pipe_scissor_state
* state
)
643 struct r300_context
* r300
= r300_context(pipe
);
645 if (r300_screen(r300
->context
.screen
)->caps
->is_r500
) {
646 r300
->scissor_state
->scissor_top_left
=
647 (state
->minx
<< R300_SCISSORS_X_SHIFT
) |
648 (state
->miny
<< R300_SCISSORS_Y_SHIFT
);
649 r300
->scissor_state
->scissor_bottom_right
=
650 ((state
->maxx
- 1) << R300_SCISSORS_X_SHIFT
) |
651 ((state
->maxy
- 1) << R300_SCISSORS_Y_SHIFT
);
653 /* Offset of 1440 in non-R500 chipsets. */
654 r300
->scissor_state
->scissor_top_left
=
655 ((state
->minx
+ 1440) << R300_SCISSORS_X_SHIFT
) |
656 ((state
->miny
+ 1440) << R300_SCISSORS_Y_SHIFT
);
657 r300
->scissor_state
->scissor_bottom_right
=
658 (((state
->maxx
- 1) + 1440) << R300_SCISSORS_X_SHIFT
) |
659 (((state
->maxy
- 1) + 1440) << R300_SCISSORS_Y_SHIFT
);
662 r300
->dirty_state
|= R300_NEW_SCISSOR
;
665 static void r300_set_viewport_state(struct pipe_context
* pipe
,
666 const struct pipe_viewport_state
* state
)
668 struct r300_context
* r300
= r300_context(pipe
);
670 /* Do the transform in HW. */
671 r300
->viewport_state
->vte_control
= R300_VTX_W0_FMT
;
673 if (state
->scale
[0] != 1.0f
) {
674 r300
->viewport_state
->xscale
= state
->scale
[0];
675 r300
->viewport_state
->vte_control
|= R300_VPORT_X_SCALE_ENA
;
677 if (state
->scale
[1] != 1.0f
) {
678 r300
->viewport_state
->yscale
= state
->scale
[1];
679 r300
->viewport_state
->vte_control
|= R300_VPORT_Y_SCALE_ENA
;
681 if (state
->scale
[2] != 1.0f
) {
682 r300
->viewport_state
->zscale
= state
->scale
[2];
683 r300
->viewport_state
->vte_control
|= R300_VPORT_Z_SCALE_ENA
;
685 if (state
->translate
[0] != 0.0f
) {
686 r300
->viewport_state
->xoffset
= state
->translate
[0];
687 r300
->viewport_state
->vte_control
|= R300_VPORT_X_OFFSET_ENA
;
689 if (state
->translate
[1] != 0.0f
) {
690 r300
->viewport_state
->yoffset
= state
->translate
[1];
691 r300
->viewport_state
->vte_control
|= R300_VPORT_Y_OFFSET_ENA
;
693 if (state
->translate
[2] != 0.0f
) {
694 r300
->viewport_state
->zoffset
= state
->translate
[2];
695 r300
->viewport_state
->vte_control
|= R300_VPORT_Z_OFFSET_ENA
;
698 r300
->dirty_state
|= R300_NEW_VIEWPORT
;
701 static void r300_set_vertex_buffers(struct pipe_context
* pipe
,
703 const struct pipe_vertex_buffer
* buffers
)
705 struct r300_context
* r300
= r300_context(pipe
);
707 memcpy(r300
->vertex_buffer
, buffers
,
708 sizeof(struct pipe_vertex_buffer
) * count
);
709 r300
->vertex_buffer_count
= count
;
712 draw_flush(r300
->draw
);
713 draw_set_vertex_buffers(r300
->draw
, count
, buffers
);
716 r300
->dirty_state
|= R300_NEW_VERTEX_FORMAT
;
719 static void r300_set_vertex_elements(struct pipe_context
* pipe
,
721 const struct pipe_vertex_element
* elements
)
723 struct r300_context
* r300
= r300_context(pipe
);
725 memcpy(r300
->vertex_element
,
727 sizeof(struct pipe_vertex_element
) * count
);
728 r300
->vertex_element_count
= count
;
731 draw_flush(r300
->draw
);
732 draw_set_vertex_elements(r300
->draw
, count
, elements
);
736 static void* r300_create_vs_state(struct pipe_context
* pipe
,
737 const struct pipe_shader_state
* shader
)
739 struct r300_context
* r300
= r300_context(pipe
);
741 if (r300_screen(pipe
->screen
)->caps
->has_tcl
) {
742 struct r300_vertex_shader
* vs
= CALLOC_STRUCT(r300_vertex_shader
);
743 /* Copy state directly into shader. */
745 vs
->state
.tokens
= tgsi_dup_tokens(shader
->tokens
);
747 tgsi_scan_shader(shader
->tokens
, &vs
->info
);
751 return draw_create_vertex_shader(r300
->draw
, shader
);
755 static void r300_bind_vs_state(struct pipe_context
* pipe
, void* shader
)
757 struct r300_context
* r300
= r300_context(pipe
);
759 if (r300_screen(pipe
->screen
)->caps
->has_tcl
) {
760 struct r300_vertex_shader
* vs
= (struct r300_vertex_shader
*)shader
;
765 } else if (!vs
->translated
) {
766 r300_translate_vertex_shader(r300
, vs
);
770 r300
->dirty_state
|= R300_NEW_VERTEX_SHADER
| R300_NEW_VERTEX_SHADER_CONSTANTS
;
772 draw_flush(r300
->draw
);
773 draw_bind_vertex_shader(r300
->draw
,
774 (struct draw_vertex_shader
*)shader
);
778 static void r300_delete_vs_state(struct pipe_context
* pipe
, void* shader
)
780 struct r300_context
* r300
= r300_context(pipe
);
782 if (r300_screen(pipe
->screen
)->caps
->has_tcl
) {
783 struct r300_vertex_shader
* vs
= (struct r300_vertex_shader
*)shader
;
785 rc_constants_destroy(&vs
->code
.constants
);
786 FREE((void*)vs
->state
.tokens
);
789 draw_delete_vertex_shader(r300
->draw
,
790 (struct draw_vertex_shader
*)shader
);
794 static void r300_set_constant_buffer(struct pipe_context
*pipe
,
795 uint shader
, uint index
,
796 const struct pipe_constant_buffer
*buf
)
798 struct r300_context
* r300
= r300_context(pipe
);
801 if (buf
== NULL
|| buf
->buffer
->size
== 0 ||
802 (mapped
= pipe_buffer_map(pipe
->screen
, buf
->buffer
, PIPE_BUFFER_USAGE_CPU_READ
)) == NULL
)
804 r300
->shader_constants
[shader
].count
= 0;
808 assert((buf
->buffer
->size
% 4 * sizeof(float)) == 0);
809 memcpy(r300
->shader_constants
[shader
].constants
, mapped
, buf
->buffer
->size
);
810 r300
->shader_constants
[shader
].count
= buf
->buffer
->size
/ (4 * sizeof(float));
811 pipe_buffer_unmap(pipe
->screen
, buf
->buffer
);
813 if (shader
== PIPE_SHADER_VERTEX
)
814 r300
->dirty_state
|= R300_NEW_VERTEX_SHADER_CONSTANTS
;
815 else if (shader
== PIPE_SHADER_FRAGMENT
)
816 r300
->dirty_state
|= R300_NEW_FRAGMENT_SHADER_CONSTANTS
;
819 void r300_init_state_functions(struct r300_context
* r300
)
821 r300
->context
.create_blend_state
= r300_create_blend_state
;
822 r300
->context
.bind_blend_state
= r300_bind_blend_state
;
823 r300
->context
.delete_blend_state
= r300_delete_blend_state
;
825 r300
->context
.set_blend_color
= r300_set_blend_color
;
827 r300
->context
.set_clip_state
= r300_set_clip_state
;
829 r300
->context
.set_constant_buffer
= r300_set_constant_buffer
;
831 r300
->context
.create_depth_stencil_alpha_state
= r300_create_dsa_state
;
832 r300
->context
.bind_depth_stencil_alpha_state
= r300_bind_dsa_state
;
833 r300
->context
.delete_depth_stencil_alpha_state
= r300_delete_dsa_state
;
835 r300
->context
.set_edgeflags
= r300_set_edgeflags
;
837 r300
->context
.set_framebuffer_state
= r300_set_framebuffer_state
;
839 r300
->context
.create_fs_state
= r300_create_fs_state
;
840 r300
->context
.bind_fs_state
= r300_bind_fs_state
;
841 r300
->context
.delete_fs_state
= r300_delete_fs_state
;
843 r300
->context
.set_polygon_stipple
= r300_set_polygon_stipple
;
845 r300
->context
.create_rasterizer_state
= r300_create_rs_state
;
846 r300
->context
.bind_rasterizer_state
= r300_bind_rs_state
;
847 r300
->context
.delete_rasterizer_state
= r300_delete_rs_state
;
849 r300
->context
.create_sampler_state
= r300_create_sampler_state
;
850 r300
->context
.bind_fragment_sampler_states
= r300_bind_sampler_states
;
851 r300
->context
.bind_vertex_sampler_states
= r300_lacks_vertex_textures
;
852 r300
->context
.delete_sampler_state
= r300_delete_sampler_state
;
854 r300
->context
.set_fragment_sampler_textures
= r300_set_sampler_textures
;
856 r300
->context
.set_scissor_state
= r300_set_scissor_state
;
858 r300
->context
.set_viewport_state
= r300_set_viewport_state
;
860 r300
->context
.set_vertex_buffers
= r300_set_vertex_buffers
;
861 r300
->context
.set_vertex_elements
= r300_set_vertex_elements
;
863 r300
->context
.create_vs_state
= r300_create_vs_state
;
864 r300
->context
.bind_vs_state
= r300_bind_vs_state
;
865 r300
->context
.delete_vs_state
= r300_delete_vs_state
;