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"
35 #include "r300_emit.h"
37 #include "r300_screen.h"
38 #include "r300_screen_buffer.h"
39 #include "r300_state.h"
40 #include "r300_state_inlines.h"
42 #include "r300_texture.h"
44 #include "r300_winsys.h"
46 /* r300_state: Functions used to intialize state context by translating
47 * Gallium state objects into semi-native r300 state objects. */
49 #define UPDATE_STATE(cso, atom) \
50 if (cso != atom.state) { \
55 static boolean blend_discard_if_src_alpha_0(unsigned srcRGB, unsigned srcA,
56 unsigned dstRGB, unsigned dstA)
58 /* If the blend equation is ADD or REVERSE_SUBTRACT,
59 * SRC_ALPHA == 0, and the following state is set, the colorbuffer
60 * will not be changed.
61 * Notice that the dst factors are the src factors inverted. */
62 return (srcRGB == PIPE_BLENDFACTOR_SRC_ALPHA ||
63 srcRGB == PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE ||
64 srcRGB == PIPE_BLENDFACTOR_ZERO) &&
65 (srcA == PIPE_BLENDFACTOR_SRC_COLOR ||
66 srcA == PIPE_BLENDFACTOR_SRC_ALPHA ||
67 srcA == PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE ||
68 srcA == PIPE_BLENDFACTOR_ZERO) &&
69 (dstRGB == PIPE_BLENDFACTOR_INV_SRC_ALPHA ||
70 dstRGB == PIPE_BLENDFACTOR_ONE) &&
71 (dstA == PIPE_BLENDFACTOR_INV_SRC_COLOR ||
72 dstA == PIPE_BLENDFACTOR_INV_SRC_ALPHA ||
73 dstA == PIPE_BLENDFACTOR_ONE);
76 static boolean blend_discard_if_src_alpha_1(unsigned srcRGB, unsigned srcA,
77 unsigned dstRGB, unsigned dstA)
79 /* If the blend equation is ADD or REVERSE_SUBTRACT,
80 * SRC_ALPHA == 1, and the following state is set, the colorbuffer
81 * will not be changed.
82 * Notice that the dst factors are the src factors inverted. */
83 return (srcRGB == PIPE_BLENDFACTOR_INV_SRC_ALPHA ||
84 srcRGB == PIPE_BLENDFACTOR_ZERO) &&
85 (srcA == PIPE_BLENDFACTOR_INV_SRC_COLOR ||
86 srcA == PIPE_BLENDFACTOR_INV_SRC_ALPHA ||
87 srcA == PIPE_BLENDFACTOR_ZERO) &&
88 (dstRGB == PIPE_BLENDFACTOR_SRC_ALPHA ||
89 dstRGB == PIPE_BLENDFACTOR_ONE) &&
90 (dstA == PIPE_BLENDFACTOR_SRC_COLOR ||
91 dstA == PIPE_BLENDFACTOR_SRC_ALPHA ||
92 dstA == PIPE_BLENDFACTOR_ONE);
95 static boolean blend_discard_if_src_color_0(unsigned srcRGB, unsigned srcA,
96 unsigned dstRGB, unsigned dstA)
98 /* If the blend equation is ADD or REVERSE_SUBTRACT,
99 * SRC_COLOR == (0,0,0), and the following state is set, the colorbuffer
100 * will not be changed.
101 * Notice that the dst factors are the src factors inverted. */
102 return (srcRGB == PIPE_BLENDFACTOR_SRC_COLOR ||
103 srcRGB == PIPE_BLENDFACTOR_ZERO) &&
104 (srcA == PIPE_BLENDFACTOR_ZERO) &&
105 (dstRGB == PIPE_BLENDFACTOR_INV_SRC_COLOR ||
106 dstRGB == PIPE_BLENDFACTOR_ONE) &&
107 (dstA == PIPE_BLENDFACTOR_ONE);
110 static boolean blend_discard_if_src_color_1(unsigned srcRGB, unsigned srcA,
111 unsigned dstRGB, unsigned dstA)
113 /* If the blend equation is ADD or REVERSE_SUBTRACT,
114 * SRC_COLOR == (1,1,1), and the following state is set, the colorbuffer
115 * will not be changed.
116 * Notice that the dst factors are the src factors inverted. */
117 return (srcRGB == PIPE_BLENDFACTOR_INV_SRC_COLOR ||
118 srcRGB == PIPE_BLENDFACTOR_ZERO) &&
119 (srcA == PIPE_BLENDFACTOR_ZERO) &&
120 (dstRGB == PIPE_BLENDFACTOR_SRC_COLOR ||
121 dstRGB == PIPE_BLENDFACTOR_ONE) &&
122 (dstA == PIPE_BLENDFACTOR_ONE);
125 static boolean blend_discard_if_src_alpha_color_0(unsigned srcRGB, unsigned srcA,
126 unsigned dstRGB, unsigned dstA)
128 /* If the blend equation is ADD or REVERSE_SUBTRACT,
129 * SRC_ALPHA_COLOR == (0,0,0,0), and the following state is set,
130 * the colorbuffer will not be changed.
131 * Notice that the dst factors are the src factors inverted. */
132 return (srcRGB == PIPE_BLENDFACTOR_SRC_COLOR ||
133 srcRGB == PIPE_BLENDFACTOR_SRC_ALPHA ||
134 srcRGB == PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE ||
135 srcRGB == PIPE_BLENDFACTOR_ZERO) &&
136 (srcA == PIPE_BLENDFACTOR_SRC_COLOR ||
137 srcA == PIPE_BLENDFACTOR_SRC_ALPHA ||
138 srcA == PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE ||
139 srcA == PIPE_BLENDFACTOR_ZERO) &&
140 (dstRGB == PIPE_BLENDFACTOR_INV_SRC_COLOR ||
141 dstRGB == PIPE_BLENDFACTOR_INV_SRC_ALPHA ||
142 dstRGB == PIPE_BLENDFACTOR_ONE) &&
143 (dstA == PIPE_BLENDFACTOR_INV_SRC_COLOR ||
144 dstA == PIPE_BLENDFACTOR_INV_SRC_ALPHA ||
145 dstA == PIPE_BLENDFACTOR_ONE);
148 static boolean blend_discard_if_src_alpha_color_1(unsigned srcRGB, unsigned srcA,
149 unsigned dstRGB, unsigned dstA)
151 /* If the blend equation is ADD or REVERSE_SUBTRACT,
152 * SRC_ALPHA_COLOR == (1,1,1,1), and the following state is set,
153 * the colorbuffer will not be changed.
154 * Notice that the dst factors are the src factors inverted. */
155 return (srcRGB == PIPE_BLENDFACTOR_INV_SRC_COLOR ||
156 srcRGB == PIPE_BLENDFACTOR_INV_SRC_ALPHA ||
157 srcRGB == PIPE_BLENDFACTOR_ZERO) &&
158 (srcA == PIPE_BLENDFACTOR_INV_SRC_COLOR ||
159 srcA == PIPE_BLENDFACTOR_INV_SRC_ALPHA ||
160 srcA == PIPE_BLENDFACTOR_ZERO) &&
161 (dstRGB == PIPE_BLENDFACTOR_SRC_COLOR ||
162 dstRGB == PIPE_BLENDFACTOR_SRC_ALPHA ||
163 dstRGB == PIPE_BLENDFACTOR_ONE) &&
164 (dstA == PIPE_BLENDFACTOR_SRC_COLOR ||
165 dstA == PIPE_BLENDFACTOR_SRC_ALPHA ||
166 dstA == PIPE_BLENDFACTOR_ONE);
169 static unsigned bgra_cmask(unsigned mask)
171 /* Gallium uses RGBA color ordering while R300 expects BGRA. */
173 return ((mask & PIPE_MASK_R) << 2) |
174 ((mask & PIPE_MASK_B) >> 2) |
175 (mask & (PIPE_MASK_G | PIPE_MASK_A));
178 /* Create a new blend state based on the CSO blend state.
180 * This encompasses alpha blending, logic/raster ops, and blend dithering. */
181 static void* r300_create_blend_state(struct pipe_context* pipe,
182 const struct pipe_blend_state* state)
184 struct r300_screen* r300screen = r300_screen(pipe->screen);
185 struct r300_blend_state* blend = CALLOC_STRUCT(r300_blend_state);
187 if (state->rt[0].blend_enable)
189 unsigned eqRGB = state->rt[0].rgb_func;
190 unsigned srcRGB = state->rt[0].rgb_src_factor;
191 unsigned dstRGB = state->rt[0].rgb_dst_factor;
193 unsigned eqA = state->rt[0].alpha_func;
194 unsigned srcA = state->rt[0].alpha_src_factor;
195 unsigned dstA = state->rt[0].alpha_dst_factor;
197 /* despite the name, ALPHA_BLEND_ENABLE has nothing to do with alpha,
198 * this is just the crappy D3D naming */
199 blend->blend_control = R300_ALPHA_BLEND_ENABLE |
200 r300_translate_blend_function(eqRGB) |
201 ( r300_translate_blend_factor(srcRGB) << R300_SRC_BLEND_SHIFT) |
202 ( r300_translate_blend_factor(dstRGB) << R300_DST_BLEND_SHIFT);
204 /* Optimization: some operations do not require the destination color.
206 * When SRC_ALPHA_SATURATE is used, colorbuffer reads must be enabled,
207 * otherwise blending gives incorrect results. It seems to be
209 if (eqRGB == PIPE_BLEND_MIN || eqA == PIPE_BLEND_MIN ||
210 eqRGB == PIPE_BLEND_MAX || eqA == PIPE_BLEND_MAX ||
211 dstRGB != PIPE_BLENDFACTOR_ZERO ||
212 dstA != PIPE_BLENDFACTOR_ZERO ||
213 srcRGB == PIPE_BLENDFACTOR_DST_COLOR ||
214 srcRGB == PIPE_BLENDFACTOR_DST_ALPHA ||
215 srcRGB == PIPE_BLENDFACTOR_INV_DST_COLOR ||
216 srcRGB == PIPE_BLENDFACTOR_INV_DST_ALPHA ||
217 srcA == PIPE_BLENDFACTOR_DST_COLOR ||
218 srcA == PIPE_BLENDFACTOR_DST_ALPHA ||
219 srcA == PIPE_BLENDFACTOR_INV_DST_COLOR ||
220 srcA == PIPE_BLENDFACTOR_INV_DST_ALPHA ||
221 srcRGB == PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE) {
222 /* Enable reading from the colorbuffer. */
223 blend->blend_control |= R300_READ_ENABLE;
225 if (r300screen->caps.is_r500) {
226 /* Optimization: Depending on incoming pixels, we can
227 * conditionally disable the reading in hardware... */
228 if (eqRGB != PIPE_BLEND_MIN && eqA != PIPE_BLEND_MIN &&
229 eqRGB != PIPE_BLEND_MAX && eqA != PIPE_BLEND_MAX) {
230 /* Disable reading if SRC_ALPHA == 0. */
231 if ((dstRGB == PIPE_BLENDFACTOR_SRC_ALPHA ||
232 dstRGB == PIPE_BLENDFACTOR_ZERO) &&
233 (dstA == PIPE_BLENDFACTOR_SRC_COLOR ||
234 dstA == PIPE_BLENDFACTOR_SRC_ALPHA ||
235 dstA == PIPE_BLENDFACTOR_ZERO)) {
236 blend->blend_control |= R500_SRC_ALPHA_0_NO_READ;
239 /* Disable reading if SRC_ALPHA == 1. */
240 if ((dstRGB == PIPE_BLENDFACTOR_INV_SRC_ALPHA ||
241 dstRGB == PIPE_BLENDFACTOR_ZERO) &&
242 (dstA == PIPE_BLENDFACTOR_INV_SRC_COLOR ||
243 dstA == PIPE_BLENDFACTOR_INV_SRC_ALPHA ||
244 dstA == PIPE_BLENDFACTOR_ZERO)) {
245 blend->blend_control |= R500_SRC_ALPHA_1_NO_READ;
251 /* Optimization: discard pixels which don't change the colorbuffer.
253 * The code below is non-trivial and some math is involved.
255 * Discarding pixels must be disabled when FP16 AA is enabled.
256 * This is a hardware bug. Also, this implementation wouldn't work
257 * with FP blending enabled and equation clamping disabled.
259 * Equations other than ADD are rarely used and therefore won't be
261 if ((eqRGB == PIPE_BLEND_ADD || eqRGB == PIPE_BLEND_REVERSE_SUBTRACT) &&
262 (eqA == PIPE_BLEND_ADD || eqA == PIPE_BLEND_REVERSE_SUBTRACT)) {
264 * REVERSE_SUBTRACT: Y-X
267 * If X = src*srcFactor = 0 and Y = dst*dstFactor = 1,
268 * then CB will not be changed.
270 * Given the srcFactor and dstFactor variables, we can derive
271 * what src and dst should be equal to and discard appropriate
274 if (blend_discard_if_src_alpha_0(srcRGB, srcA, dstRGB, dstA)) {
275 blend->blend_control |= R300_DISCARD_SRC_PIXELS_SRC_ALPHA_0;
276 } else if (blend_discard_if_src_alpha_1(srcRGB, srcA,
278 blend->blend_control |= R300_DISCARD_SRC_PIXELS_SRC_ALPHA_1;
279 } else if (blend_discard_if_src_color_0(srcRGB, srcA,
281 blend->blend_control |= R300_DISCARD_SRC_PIXELS_SRC_COLOR_0;
282 } else if (blend_discard_if_src_color_1(srcRGB, srcA,
284 blend->blend_control |= R300_DISCARD_SRC_PIXELS_SRC_COLOR_1;
285 } else if (blend_discard_if_src_alpha_color_0(srcRGB, srcA,
287 blend->blend_control |=
288 R300_DISCARD_SRC_PIXELS_SRC_ALPHA_COLOR_0;
289 } else if (blend_discard_if_src_alpha_color_1(srcRGB, srcA,
291 blend->blend_control |=
292 R300_DISCARD_SRC_PIXELS_SRC_ALPHA_COLOR_1;
297 if (srcA != srcRGB || dstA != dstRGB || eqA != eqRGB) {
298 blend->blend_control |= R300_SEPARATE_ALPHA_ENABLE;
299 blend->alpha_blend_control =
300 r300_translate_blend_function(eqA) |
301 (r300_translate_blend_factor(srcA) << R300_SRC_BLEND_SHIFT) |
302 (r300_translate_blend_factor(dstA) << R300_DST_BLEND_SHIFT);
306 /* PIPE_LOGICOP_* don't need to be translated, fortunately. */
307 if (state->logicop_enable) {
308 blend->rop = R300_RB3D_ROPCNTL_ROP_ENABLE |
309 (state->logicop_func) << R300_RB3D_ROPCNTL_ROP_SHIFT;
312 /* Color channel masks for all MRTs. */
313 blend->color_channel_mask = bgra_cmask(state->rt[0].colormask);
314 if (r300screen->caps.is_r500 && state->independent_blend_enable) {
315 if (state->rt[1].blend_enable) {
316 blend->color_channel_mask |= bgra_cmask(state->rt[1].colormask) << 4;
318 if (state->rt[2].blend_enable) {
319 blend->color_channel_mask |= bgra_cmask(state->rt[2].colormask) << 8;
321 if (state->rt[3].blend_enable) {
322 blend->color_channel_mask |= bgra_cmask(state->rt[3].colormask) << 12;
326 /* Neither fglrx nor classic r300 ever set this, regardless of dithering
327 * state. Since it's an optional implementation detail, we can leave it
328 * out and never dither.
330 * This could be revisited if we ever get quality or conformance hints.
333 blend->dither = R300_RB3D_DITHER_CTL_DITHER_MODE_LUT |
334 R300_RB3D_DITHER_CTL_ALPHA_DITHER_MODE_LUT;
341 /* Bind blend state. */
342 static void r300_bind_blend_state(struct pipe_context* pipe,
345 struct r300_context* r300 = r300_context(pipe);
347 UPDATE_STATE(state, r300->blend_state);
350 /* Free blend state. */
351 static void r300_delete_blend_state(struct pipe_context* pipe,
357 /* Convert float to 10bit integer */
358 static unsigned float_to_fixed10(float f)
360 return CLAMP((unsigned)(f * 1023.9f), 0, 1023);
364 * Setup both R300 and R500 registers, figure out later which one to write. */
365 static void r300_set_blend_color(struct pipe_context* pipe,
366 const struct pipe_blend_color* color)
368 struct r300_context* r300 = r300_context(pipe);
369 struct r300_blend_color_state* state =
370 (struct r300_blend_color_state*)r300->blend_color_state.state;
373 util_pack_color(color->color, PIPE_FORMAT_B8G8R8A8_UNORM, &uc);
374 state->blend_color = uc.ui;
376 /* XXX if FP16 blending is enabled, we should use the FP16 format */
377 state->blend_color_red_alpha =
378 float_to_fixed10(color->color[0]) |
379 (float_to_fixed10(color->color[3]) << 16);
380 state->blend_color_green_blue =
381 float_to_fixed10(color->color[2]) |
382 (float_to_fixed10(color->color[1]) << 16);
384 r300->blend_color_state.size = r300->screen->caps.is_r500 ? 3 : 2;
385 r300->blend_color_state.dirty = TRUE;
388 static void r300_set_clip_state(struct pipe_context* pipe,
389 const struct pipe_clip_state* state)
391 struct r300_context* r300 = r300_context(pipe);
395 if (r300->screen->caps.has_tcl) {
396 memcpy(r300->clip_state.state, state, sizeof(struct pipe_clip_state));
397 r300->clip_state.size = 29;
399 draw_flush(r300->draw);
400 draw_set_clip_state(r300->draw, state);
401 r300->clip_state.size = 2;
404 r300->clip_state.dirty = TRUE;
407 /* Create a new depth, stencil, and alpha state based on the CSO dsa state.
409 * This contains the depth buffer, stencil buffer, alpha test, and such.
410 * On the Radeon, depth and stencil buffer setup are intertwined, which is
411 * the reason for some of the strange-looking assignments across registers. */
413 r300_create_dsa_state(struct pipe_context* pipe,
414 const struct pipe_depth_stencil_alpha_state* state)
416 struct r300_capabilities *caps = &r300_screen(pipe->screen)->caps;
417 struct r300_dsa_state* dsa = CALLOC_STRUCT(r300_dsa_state);
419 /* Depth test setup. */
420 if (state->depth.enabled) {
421 dsa->z_buffer_control |= R300_Z_ENABLE;
423 if (state->depth.writemask) {
424 dsa->z_buffer_control |= R300_Z_WRITE_ENABLE;
427 dsa->z_stencil_control |=
428 (r300_translate_depth_stencil_function(state->depth.func) <<
432 /* Stencil buffer setup. */
433 if (state->stencil[0].enabled) {
434 dsa->z_buffer_control |= R300_STENCIL_ENABLE;
435 dsa->z_stencil_control |=
436 (r300_translate_depth_stencil_function(state->stencil[0].func) <<
437 R300_S_FRONT_FUNC_SHIFT) |
438 (r300_translate_stencil_op(state->stencil[0].fail_op) <<
439 R300_S_FRONT_SFAIL_OP_SHIFT) |
440 (r300_translate_stencil_op(state->stencil[0].zpass_op) <<
441 R300_S_FRONT_ZPASS_OP_SHIFT) |
442 (r300_translate_stencil_op(state->stencil[0].zfail_op) <<
443 R300_S_FRONT_ZFAIL_OP_SHIFT);
445 dsa->stencil_ref_mask =
446 (state->stencil[0].valuemask << R300_STENCILMASK_SHIFT) |
447 (state->stencil[0].writemask << R300_STENCILWRITEMASK_SHIFT);
449 if (state->stencil[1].enabled) {
450 dsa->two_sided = TRUE;
452 dsa->z_buffer_control |= R300_STENCIL_FRONT_BACK;
453 dsa->z_stencil_control |=
454 (r300_translate_depth_stencil_function(state->stencil[1].func) <<
455 R300_S_BACK_FUNC_SHIFT) |
456 (r300_translate_stencil_op(state->stencil[1].fail_op) <<
457 R300_S_BACK_SFAIL_OP_SHIFT) |
458 (r300_translate_stencil_op(state->stencil[1].zpass_op) <<
459 R300_S_BACK_ZPASS_OP_SHIFT) |
460 (r300_translate_stencil_op(state->stencil[1].zfail_op) <<
461 R300_S_BACK_ZFAIL_OP_SHIFT);
463 dsa->stencil_ref_bf =
464 (state->stencil[1].valuemask << R300_STENCILMASK_SHIFT) |
465 (state->stencil[1].writemask << R300_STENCILWRITEMASK_SHIFT);
468 dsa->z_buffer_control |= R500_STENCIL_REFMASK_FRONT_BACK;
470 dsa->stencil_ref_bf_fallback =
471 (state->stencil[0].valuemask != state->stencil[1].valuemask ||
472 state->stencil[0].writemask != state->stencil[1].writemask);
477 /* Alpha test setup. */
478 if (state->alpha.enabled) {
479 dsa->alpha_function =
480 r300_translate_alpha_function(state->alpha.func) |
481 R300_FG_ALPHA_FUNC_ENABLE;
483 /* We could use 10bit alpha ref but who needs that? */
484 dsa->alpha_function |= float_to_ubyte(state->alpha.ref_value);
487 dsa->alpha_function |= R500_FG_ALPHA_FUNC_8BIT;
493 static void r300_update_stencil_ref_fallback_status(struct r300_context *r300)
495 struct r300_dsa_state *dsa = (struct r300_dsa_state*)r300->dsa_state.state;
497 if (r300->screen->caps.is_r500) {
501 r300->stencil_ref_bf_fallback =
502 dsa->stencil_ref_bf_fallback ||
504 r300->stencil_ref.ref_value[0] != r300->stencil_ref.ref_value[1]);
507 /* Bind DSA state. */
508 static void r300_bind_dsa_state(struct pipe_context* pipe,
511 struct r300_context* r300 = r300_context(pipe);
517 UPDATE_STATE(state, r300->dsa_state);
519 r300_update_stencil_ref_fallback_status(r300);
522 /* Free DSA state. */
523 static void r300_delete_dsa_state(struct pipe_context* pipe,
529 static void r300_set_stencil_ref(struct pipe_context* pipe,
530 const struct pipe_stencil_ref* sr)
532 struct r300_context* r300 = r300_context(pipe);
534 r300->stencil_ref = *sr;
535 r300->dsa_state.dirty = TRUE;
537 r300_update_stencil_ref_fallback_status(r300);
540 /* This switcheroo is needed just because of goddamned MACRO_SWITCH. */
541 static void r300_fb_set_tiling_flags(struct r300_context *r300,
542 const struct pipe_framebuffer_state *old_state,
543 const struct pipe_framebuffer_state *new_state)
545 struct r300_texture *tex;
548 /* Set tiling flags for new surfaces. */
549 for (i = 0; i < new_state->nr_cbufs; i++) {
550 tex = r300_texture(new_state->cbufs[i]->texture);
551 level = new_state->cbufs[i]->level;
553 r300->rws->buffer_set_tiling(r300->rws, tex->buffer,
556 tex->mip_macrotile[level]);
558 if (new_state->zsbuf) {
559 tex = r300_texture(new_state->zsbuf->texture);
560 level = new_state->zsbuf->level;
562 r300->rws->buffer_set_tiling(r300->rws, tex->buffer,
565 tex->mip_macrotile[level]);
570 r300_set_framebuffer_state(struct pipe_context* pipe,
571 const struct pipe_framebuffer_state* state)
573 struct r300_context* r300 = r300_context(pipe);
574 struct pipe_framebuffer_state *old_state = r300->fb_state.state;
575 unsigned max_width, max_height;
576 uint32_t zbuffer_bpp = 0;
578 if (state->nr_cbufs > 4) {
579 fprintf(stderr, "r300: Implementation error: Too many MRTs in %s, "
580 "refusing to bind framebuffer state!\n", __FUNCTION__);
584 if (r300->screen->caps.is_r500) {
585 max_width = max_height = 4096;
586 } else if (r300->screen->caps.is_r400) {
587 max_width = max_height = 4021;
589 max_width = max_height = 2560;
592 if (state->width > max_width || state->height > max_height) {
593 fprintf(stderr, "r300: Implementation error: Render targets are too "
594 "big in %s, refusing to bind framebuffer state!\n", __FUNCTION__);
599 draw_flush(r300->draw);
602 r300->fb_state.dirty = TRUE;
604 /* If nr_cbufs is changed from zero to non-zero or vice versa... */
605 if (!!old_state->nr_cbufs != !!state->nr_cbufs) {
606 r300->blend_state.dirty = TRUE;
608 /* If zsbuf is set from NULL to non-NULL or vice versa.. */
609 if (!!old_state->zsbuf != !!state->zsbuf) {
610 r300->dsa_state.dirty = TRUE;
613 /* The tiling flags are dependent on the surface miplevel, unfortunately. */
614 r300_fb_set_tiling_flags(r300, r300->fb_state.state, state);
616 memcpy(r300->fb_state.state, state, sizeof(struct pipe_framebuffer_state));
618 r300->fb_state.size = (10 * state->nr_cbufs) + (2 * (4 - state->nr_cbufs)) +
619 (state->zsbuf ? 10 : 0) + 11;
621 /* Polygon offset depends on the zbuffer bit depth. */
622 if (state->zsbuf && r300->polygon_offset_enabled) {
623 switch (util_format_get_blocksize(state->zsbuf->texture->format)) {
632 if (r300->zbuffer_bpp != zbuffer_bpp) {
633 r300->zbuffer_bpp = zbuffer_bpp;
634 r300->rs_state.dirty = TRUE;
639 /* Create fragment shader state. */
640 static void* r300_create_fs_state(struct pipe_context* pipe,
641 const struct pipe_shader_state* shader)
643 struct r300_fragment_shader* fs = NULL;
645 fs = (struct r300_fragment_shader*)CALLOC_STRUCT(r300_fragment_shader);
647 /* Copy state directly into shader. */
649 fs->state.tokens = tgsi_dup_tokens(shader->tokens);
654 void r300_mark_fs_code_dirty(struct r300_context *r300)
656 struct r300_fragment_shader* fs = r300_fs(r300);
658 r300->fs.dirty = TRUE;
659 r300->fs_rc_constant_state.dirty = TRUE;
660 r300->fs_constants.dirty = TRUE;
662 if (r300->screen->caps.is_r500) {
663 r300->fs.size = r500_get_fs_atom_size(r300);
664 r300->fs_rc_constant_state.size = fs->shader->rc_state_count * 7;
665 r300->fs_constants.size = fs->shader->externals_count * 4 + 3;
667 r300->fs.size = r300_get_fs_atom_size(r300);
668 r300->fs_rc_constant_state.size = fs->shader->rc_state_count * 5;
669 r300->fs_constants.size = fs->shader->externals_count * 4 + 1;
673 /* Bind fragment shader state. */
674 static void r300_bind_fs_state(struct pipe_context* pipe, void* shader)
676 struct r300_context* r300 = r300_context(pipe);
677 struct r300_fragment_shader* fs = (struct r300_fragment_shader*)shader;
680 r300->fs.state = NULL;
685 r300_pick_fragment_shader(r300);
686 r300_mark_fs_code_dirty(r300);
688 r300->rs_block_state.dirty = TRUE; /* Will be updated before the emission. */
691 /* Delete fragment shader state. */
692 static void r300_delete_fs_state(struct pipe_context* pipe, void* shader)
694 struct r300_fragment_shader* fs = (struct r300_fragment_shader*)shader;
695 struct r300_fragment_shader_code *tmp, *ptr = fs->first;
700 rc_constants_destroy(&tmp->code.constants);
703 FREE((void*)fs->state.tokens);
707 static void r300_set_polygon_stipple(struct pipe_context* pipe,
708 const struct pipe_poly_stipple* state)
710 /* XXX no idea how to set this up, but not terribly important */
713 /* Create a new rasterizer state based on the CSO rasterizer state.
715 * This is a very large chunk of state, and covers most of the graphics
716 * backend (GB), geometry assembly (GA), and setup unit (SU) blocks.
718 * In a not entirely unironic sidenote, this state has nearly nothing to do
719 * with the actual block on the Radeon called the rasterizer (RS). */
720 static void* r300_create_rs_state(struct pipe_context* pipe,
721 const struct pipe_rasterizer_state* state)
723 struct r300_rs_state* rs = CALLOC_STRUCT(r300_rs_state);
726 /* Copy rasterizer state for Draw. */
729 #ifdef PIPE_ARCH_LITTLE_ENDIAN
730 rs->vap_control_status = R300_VC_NO_SWAP;
732 rs->vap_control_status = R300_VC_32BIT_SWAP;
735 /* If no TCL engine is present, turn off the HW TCL. */
736 if (!r300_screen(pipe->screen)->caps.has_tcl) {
737 rs->vap_control_status |= R300_VAP_TCL_BYPASS;
740 rs->point_size = pack_float_16_6x(state->point_size) |
741 (pack_float_16_6x(state->point_size) << R300_POINTSIZE_X_SHIFT);
743 rs->line_control = pack_float_16_6x(state->line_width) |
744 R300_GA_LINE_CNTL_END_TYPE_COMP;
746 /* Enable polygon mode */
747 if (state->fill_cw != PIPE_POLYGON_MODE_FILL ||
748 state->fill_ccw != PIPE_POLYGON_MODE_FILL) {
749 rs->polygon_mode = R300_GA_POLY_MODE_DUAL;
752 /* Radeons don't think in "CW/CCW", they think in "front/back". */
753 if (state->front_winding == PIPE_WINDING_CW) {
754 rs->cull_mode = R300_FRONT_FACE_CW;
757 if (state->offset_cw) {
758 rs->polygon_offset_enable |= R300_FRONT_ENABLE;
760 if (state->offset_ccw) {
761 rs->polygon_offset_enable |= R300_BACK_ENABLE;
765 if (rs->polygon_mode) {
767 r300_translate_polygon_mode_front(state->fill_cw);
769 r300_translate_polygon_mode_back(state->fill_ccw);
772 rs->cull_mode = R300_FRONT_FACE_CCW;
775 if (state->offset_ccw) {
776 rs->polygon_offset_enable |= R300_FRONT_ENABLE;
778 if (state->offset_cw) {
779 rs->polygon_offset_enable |= R300_BACK_ENABLE;
783 if (rs->polygon_mode) {
785 r300_translate_polygon_mode_front(state->fill_ccw);
787 r300_translate_polygon_mode_back(state->fill_cw);
790 if (state->front_winding & state->cull_mode) {
791 rs->cull_mode |= R300_CULL_FRONT;
793 if (~(state->front_winding) & state->cull_mode) {
794 rs->cull_mode |= R300_CULL_BACK;
797 if (rs->polygon_offset_enable) {
798 rs->depth_offset = state->offset_units;
799 rs->depth_scale = state->offset_scale;
802 if (state->line_stipple_enable) {
803 rs->line_stipple_config =
804 R300_GA_LINE_STIPPLE_CONFIG_LINE_RESET_LINE |
805 (fui((float)state->line_stipple_factor) &
806 R300_GA_LINE_STIPPLE_CONFIG_STIPPLE_SCALE_MASK);
807 /* XXX this might need to be scaled up */
808 rs->line_stipple_value = state->line_stipple_pattern;
811 if (state->flatshade) {
812 rs->color_control = R300_SHADE_MODEL_FLAT;
814 rs->color_control = R300_SHADE_MODEL_SMOOTH;
817 rs->clip_rule = state->scissor ? 0xAAAA : 0xFFFF;
820 if (state->sprite_coord_enable) {
821 rs->stuffing_enable = R300_GB_POINT_STUFF_ENABLE;
822 for (i = 0; i < 8; i++) {
823 if (state->sprite_coord_enable & (1 << i))
824 rs->stuffing_enable |=
825 R300_GB_TEX_STR << (R300_GB_TEX0_SOURCE_SHIFT + (i*2));
828 rs->point_texcoord_left = 0.0f;
829 rs->point_texcoord_right = 1.0f;
831 switch (state->sprite_coord_mode) {
832 case PIPE_SPRITE_COORD_UPPER_LEFT:
833 rs->point_texcoord_top = 0.0f;
834 rs->point_texcoord_bottom = 1.0f;
836 case PIPE_SPRITE_COORD_LOWER_LEFT:
837 rs->point_texcoord_top = 1.0f;
838 rs->point_texcoord_bottom = 0.0f;
846 /* Bind rasterizer state. */
847 static void r300_bind_rs_state(struct pipe_context* pipe, void* state)
849 struct r300_context* r300 = r300_context(pipe);
850 struct r300_rs_state* rs = (struct r300_rs_state*)state;
851 int last_sprite_coord_enable = r300->sprite_coord_enable;
854 draw_flush(r300->draw);
855 draw_set_rasterizer_state(r300->draw, &rs->rs, state);
859 r300->polygon_offset_enabled = rs->rs.offset_cw || rs->rs.offset_ccw;
860 r300->sprite_coord_enable = rs->rs.sprite_coord_enable;
862 r300->polygon_offset_enabled = FALSE;
863 r300->sprite_coord_enable = 0;
866 UPDATE_STATE(state, r300->rs_state);
867 r300->rs_state.size = 26 + (r300->polygon_offset_enabled ? 5 : 0);
869 if (last_sprite_coord_enable != r300->sprite_coord_enable) {
870 r300->rs_block_state.dirty = TRUE;
874 /* Free rasterizer state. */
875 static void r300_delete_rs_state(struct pipe_context* pipe, void* state)
881 r300_create_sampler_state(struct pipe_context* pipe,
882 const struct pipe_sampler_state* state)
884 struct r300_context* r300 = r300_context(pipe);
885 struct r300_sampler_state* sampler = CALLOC_STRUCT(r300_sampler_state);
886 boolean is_r500 = r300->screen->caps.is_r500;
890 sampler->state = *state;
893 (r300_translate_wrap(state->wrap_s) << R300_TX_WRAP_S_SHIFT) |
894 (r300_translate_wrap(state->wrap_t) << R300_TX_WRAP_T_SHIFT) |
895 (r300_translate_wrap(state->wrap_r) << R300_TX_WRAP_R_SHIFT);
897 sampler->filter0 |= r300_translate_tex_filters(state->min_img_filter,
898 state->mag_img_filter,
899 state->min_mip_filter,
900 state->max_anisotropy > 0);
902 sampler->filter0 |= r300_anisotropy(state->max_anisotropy);
904 /* Unfortunately, r300-r500 don't support floating-point mipmap lods. */
905 /* We must pass these to the merge function to clamp them properly. */
906 sampler->min_lod = MAX2((unsigned)state->min_lod, 0);
907 sampler->max_lod = MAX2((unsigned)ceilf(state->max_lod), 0);
909 lod_bias = CLAMP((int)(state->lod_bias * 32), -(1 << 9), (1 << 9) - 1);
911 sampler->filter1 |= lod_bias << R300_LOD_BIAS_SHIFT;
913 /* This is very high quality anisotropic filtering for R5xx.
914 * It's good for benchmarking the performance of texturing but
915 * in practice we don't want to slow down the driver because it's
916 * a pretty good performance killer. Feel free to play with it. */
917 if (DBG_ON(r300, DBG_ANISOHQ) && is_r500) {
918 sampler->filter1 |= r500_anisotropy(state->max_anisotropy);
921 util_pack_color(state->border_color, PIPE_FORMAT_B8G8R8A8_UNORM, &uc);
922 sampler->border_color = uc.ui;
924 /* R500-specific fixups and optimizations */
925 if (r300->screen->caps.is_r500) {
926 sampler->filter1 |= R500_BORDER_FIX;
929 return (void*)sampler;
932 static void r300_bind_sampler_states(struct pipe_context* pipe,
936 struct r300_context* r300 = r300_context(pipe);
937 struct r300_textures_state* state =
938 (struct r300_textures_state*)r300->textures_state.state;
939 unsigned tex_units = r300->screen->caps.num_tex_units;
941 if (count > tex_units) {
945 memcpy(state->sampler_states, states, sizeof(void*) * count);
946 state->sampler_state_count = count;
948 r300->textures_state.dirty = TRUE;
951 static void r300_lacks_vertex_textures(struct pipe_context* pipe,
957 static void r300_delete_sampler_state(struct pipe_context* pipe, void* state)
962 static void r300_set_fragment_sampler_views(struct pipe_context* pipe,
964 struct pipe_sampler_view** views)
966 struct r300_context* r300 = r300_context(pipe);
967 struct r300_textures_state* state =
968 (struct r300_textures_state*)r300->textures_state.state;
969 struct r300_texture *texture;
971 unsigned tex_units = r300->screen->caps.num_tex_units;
972 boolean dirty_tex = FALSE;
974 if (count > tex_units) {
978 for (i = 0; i < count; i++) {
979 if (&state->sampler_views[i]->base != views[i]) {
980 pipe_sampler_view_reference(
981 (struct pipe_sampler_view**)&state->sampler_views[i],
988 /* A new sampler view (= texture)... */
991 /* Set the texrect factor in the fragment shader.
992 * Needed for RECT and NPOT fallback. */
993 texture = r300_texture(views[i]->texture);
994 if (texture->uses_pitch) {
995 r300->fs_rc_constant_state.dirty = TRUE;
1000 for (i = count; i < tex_units; i++) {
1001 if (state->sampler_views[i]) {
1002 pipe_sampler_view_reference(
1003 (struct pipe_sampler_view**)&state->sampler_views[i],
1008 state->sampler_view_count = count;
1010 r300->textures_state.dirty = TRUE;
1013 r300->texture_cache_inval.dirty = TRUE;
1017 static struct pipe_sampler_view *
1018 r300_create_sampler_view(struct pipe_context *pipe,
1019 struct pipe_resource *texture,
1020 const struct pipe_sampler_view *templ)
1022 struct r300_sampler_view *view = CALLOC_STRUCT(r300_sampler_view);
1023 struct r300_texture *tex = r300_texture(texture);
1024 unsigned char swizzle[4];
1027 view->base = *templ;
1028 view->base.reference.count = 1;
1029 view->base.context = pipe;
1030 view->base.texture = NULL;
1031 pipe_resource_reference(&view->base.texture, texture);
1033 swizzle[0] = templ->swizzle_r;
1034 swizzle[1] = templ->swizzle_g;
1035 swizzle[2] = templ->swizzle_b;
1036 swizzle[3] = templ->swizzle_a;
1038 view->format = tex->tx_format;
1039 view->format.format1 |= r300_translate_texformat(templ->format,
1041 if (r300_screen(pipe->screen)->caps.is_r500) {
1042 view->format.format2 |= r500_tx_format_msb_bit(templ->format);
1046 return (struct pipe_sampler_view*)view;
1050 r300_sampler_view_destroy(struct pipe_context *pipe,
1051 struct pipe_sampler_view *view)
1053 pipe_resource_reference(&view->texture, NULL);
1057 static void r300_set_scissor_state(struct pipe_context* pipe,
1058 const struct pipe_scissor_state* state)
1060 struct r300_context* r300 = r300_context(pipe);
1062 memcpy(r300->scissor_state.state, state,
1063 sizeof(struct pipe_scissor_state));
1065 r300->scissor_state.dirty = TRUE;
1068 static void r300_set_viewport_state(struct pipe_context* pipe,
1069 const struct pipe_viewport_state* state)
1071 struct r300_context* r300 = r300_context(pipe);
1072 struct r300_viewport_state* viewport =
1073 (struct r300_viewport_state*)r300->viewport_state.state;
1075 r300->viewport = *state;
1077 /* Do the transform in HW. */
1078 viewport->vte_control = R300_VTX_W0_FMT;
1080 if (state->scale[0] != 1.0f) {
1081 viewport->xscale = state->scale[0];
1082 viewport->vte_control |= R300_VPORT_X_SCALE_ENA;
1084 if (state->scale[1] != 1.0f) {
1085 viewport->yscale = state->scale[1];
1086 viewport->vte_control |= R300_VPORT_Y_SCALE_ENA;
1088 if (state->scale[2] != 1.0f) {
1089 viewport->zscale = state->scale[2];
1090 viewport->vte_control |= R300_VPORT_Z_SCALE_ENA;
1092 if (state->translate[0] != 0.0f) {
1093 viewport->xoffset = state->translate[0];
1094 viewport->vte_control |= R300_VPORT_X_OFFSET_ENA;
1096 if (state->translate[1] != 0.0f) {
1097 viewport->yoffset = state->translate[1];
1098 viewport->vte_control |= R300_VPORT_Y_OFFSET_ENA;
1100 if (state->translate[2] != 0.0f) {
1101 viewport->zoffset = state->translate[2];
1102 viewport->vte_control |= R300_VPORT_Z_OFFSET_ENA;
1105 r300->viewport_state.dirty = TRUE;
1106 if (r300->fs.state && r300_fs(r300)->shader->inputs.wpos != ATTR_UNUSED) {
1107 r300->fs_rc_constant_state.dirty = TRUE;
1111 static void r300_set_vertex_buffers(struct pipe_context* pipe,
1113 const struct pipe_vertex_buffer* buffers)
1115 struct r300_context* r300 = r300_context(pipe);
1116 struct pipe_vertex_buffer *vbo;
1117 unsigned i, max_index = (1 << 24) - 1;
1118 boolean any_user_buffer = FALSE;
1120 if (count == r300->vertex_buffer_count &&
1121 memcmp(r300->vertex_buffer, buffers,
1122 sizeof(struct pipe_vertex_buffer) * count) == 0) {
1126 /* Check if the stride is aligned to the size of DWORD. */
1127 for (i = 0; i < count; i++) {
1128 if (buffers[i].buffer) {
1129 if (buffers[i].stride % 4 != 0) {
1130 // XXX Shouldn't we align the buffer?
1131 fprintf(stderr, "r300: set_vertex_buffers: "
1132 "Unaligned buffer stride %i isn't supported.\n",
1139 for (i = 0; i < count; i++) {
1140 /* Why, yes, I AM casting away constness. How did you know? */
1141 vbo = (struct pipe_vertex_buffer*)&buffers[i];
1143 /* Reference our buffer. */
1144 pipe_resource_reference(&r300->vertex_buffer[i].buffer, vbo->buffer);
1146 /* Skip NULL buffers */
1147 if (!buffers[i].buffer) {
1151 if (r300_buffer_is_user_buffer(vbo->buffer)) {
1152 any_user_buffer = TRUE;
1155 if (vbo->max_index == ~0) {
1156 /* if no VBO stride then only one vertex value so max index is 1 */
1157 /* should think about converting to VS constants like svga does */
1162 (vbo->buffer->width0 - vbo->buffer_offset) / vbo->stride;
1165 max_index = MIN2(vbo->max_index, max_index);
1168 for (; i < r300->vertex_buffer_count; i++) {
1169 /* Dereference any old buffers. */
1170 pipe_resource_reference(&r300->vertex_buffer[i].buffer, NULL);
1173 memcpy(r300->vertex_buffer, buffers,
1174 sizeof(struct pipe_vertex_buffer) * count);
1176 r300->vertex_buffer_count = count;
1177 r300->vertex_buffer_max_index = max_index;
1178 r300->any_user_vbs = any_user_buffer;
1181 draw_flush(r300->draw);
1182 draw_set_vertex_buffers(r300->draw, count, buffers);
1186 /* Update the PSC tables. */
1187 static void r300_vertex_psc(struct r300_vertex_element_state *velems)
1189 struct r300_vertex_stream_state *vstream = &velems->vertex_stream;
1190 uint16_t type, swizzle;
1191 enum pipe_format format;
1194 if (velems->count > 16) {
1195 fprintf(stderr, "r300: More than 16 vertex elements are not supported,"
1196 " requested %i, using 16.\n", velems->count);
1200 /* Vertex shaders have no semantics on their inputs,
1201 * so PSC should just route stuff based on the vertex elements,
1202 * and not on attrib information. */
1203 for (i = 0; i < velems->count; i++) {
1204 format = velems->velem[i].src_format;
1206 type = r300_translate_vertex_data_type(format) |
1207 (i << R300_DST_VEC_LOC_SHIFT);
1208 swizzle = r300_translate_vertex_data_swizzle(format);
1211 vstream->vap_prog_stream_cntl[i >> 1] |= type << 16;
1212 vstream->vap_prog_stream_cntl_ext[i >> 1] |= swizzle << 16;
1214 vstream->vap_prog_stream_cntl[i >> 1] |= type;
1215 vstream->vap_prog_stream_cntl_ext[i >> 1] |= swizzle;
1219 /* Set the last vector in the PSC. */
1223 vstream->vap_prog_stream_cntl[i >> 1] |=
1224 (R300_LAST_VEC << (i & 1 ? 16 : 0));
1226 vstream->count = (i >> 1) + 1;
1229 static void* r300_create_vertex_elements_state(struct pipe_context* pipe,
1231 const struct pipe_vertex_element* attribs)
1233 struct r300_vertex_element_state *velems;
1235 enum pipe_format *format;
1237 assert(count <= PIPE_MAX_ATTRIBS);
1238 velems = CALLOC_STRUCT(r300_vertex_element_state);
1239 if (velems != NULL) {
1240 velems->count = count;
1241 memcpy(velems->velem, attribs, sizeof(struct pipe_vertex_element) * count);
1243 if (r300_screen(pipe->screen)->caps.has_tcl) {
1244 r300_vertex_psc(velems);
1246 /* Check if the format is aligned to the size of DWORD.
1247 * We only care about the blocksizes of the formats since
1248 * swizzles are already set up. */
1249 for (i = 0; i < count; i++) {
1250 format = &velems->velem[i].src_format;
1252 /* Replace some formats with their aligned counterparts,
1253 * this is OK because we check for aligned strides too. */
1255 /* Align to RGBA8. */
1256 case PIPE_FORMAT_R8_UNORM:
1257 case PIPE_FORMAT_R8G8_UNORM:
1258 case PIPE_FORMAT_R8G8B8_UNORM:
1259 *format = PIPE_FORMAT_R8G8B8A8_UNORM;
1261 case PIPE_FORMAT_R8_SNORM:
1262 case PIPE_FORMAT_R8G8_SNORM:
1263 case PIPE_FORMAT_R8G8B8_SNORM:
1264 *format = PIPE_FORMAT_R8G8B8A8_SNORM;
1266 case PIPE_FORMAT_R8_USCALED:
1267 case PIPE_FORMAT_R8G8_USCALED:
1268 case PIPE_FORMAT_R8G8B8_USCALED:
1269 *format = PIPE_FORMAT_R8G8B8A8_USCALED;
1271 case PIPE_FORMAT_R8_SSCALED:
1272 case PIPE_FORMAT_R8G8_SSCALED:
1273 case PIPE_FORMAT_R8G8B8_SSCALED:
1274 *format = PIPE_FORMAT_R8G8B8A8_SSCALED;
1277 /* Align to RG16. */
1278 case PIPE_FORMAT_R16_UNORM:
1279 *format = PIPE_FORMAT_R16G16_UNORM;
1281 case PIPE_FORMAT_R16_SNORM:
1282 *format = PIPE_FORMAT_R16G16_SNORM;
1284 case PIPE_FORMAT_R16_USCALED:
1285 *format = PIPE_FORMAT_R16G16_USCALED;
1287 case PIPE_FORMAT_R16_SSCALED:
1288 *format = PIPE_FORMAT_R16G16_SSCALED;
1290 case PIPE_FORMAT_R16_FLOAT:
1291 *format = PIPE_FORMAT_R16G16_FLOAT;
1294 /* Align to RGBA16. */
1295 case PIPE_FORMAT_R16G16B16_UNORM:
1296 *format = PIPE_FORMAT_R16G16B16A16_UNORM;
1298 case PIPE_FORMAT_R16G16B16_SNORM:
1299 *format = PIPE_FORMAT_R16G16B16A16_SNORM;
1301 case PIPE_FORMAT_R16G16B16_USCALED:
1302 *format = PIPE_FORMAT_R16G16B16A16_USCALED;
1304 case PIPE_FORMAT_R16G16B16_SSCALED:
1305 *format = PIPE_FORMAT_R16G16B16A16_SSCALED;
1307 case PIPE_FORMAT_R16G16B16_FLOAT:
1308 *format = PIPE_FORMAT_R16G16B16A16_FLOAT;
1314 size = util_format_get_blocksize(*format);
1316 if (size % 4 != 0) {
1317 /* XXX Shouldn't we align the format? */
1318 fprintf(stderr, "r300_create_vertex_elements_state: "
1319 "Unaligned format %s:%i isn't supported\n",
1320 util_format_short_name(*format), size);
1331 static void r300_bind_vertex_elements_state(struct pipe_context *pipe,
1334 struct r300_context *r300 = r300_context(pipe);
1335 struct r300_vertex_element_state *velems = state;
1337 if (velems == NULL) {
1341 r300->velems = velems;
1344 draw_flush(r300->draw);
1345 draw_set_vertex_elements(r300->draw, velems->count, velems->velem);
1348 UPDATE_STATE(&velems->vertex_stream, r300->vertex_stream_state);
1349 r300->vertex_stream_state.size = (1 + velems->vertex_stream.count) * 2;
1352 static void r300_delete_vertex_elements_state(struct pipe_context *pipe, void *state)
1357 static void* r300_create_vs_state(struct pipe_context* pipe,
1358 const struct pipe_shader_state* shader)
1360 struct r300_context* r300 = r300_context(pipe);
1362 struct r300_vertex_shader* vs = CALLOC_STRUCT(r300_vertex_shader);
1364 /* Copy state directly into shader. */
1365 vs->state = *shader;
1366 vs->state.tokens = tgsi_dup_tokens(shader->tokens);
1368 if (r300->screen->caps.has_tcl) {
1369 r300_translate_vertex_shader(r300, vs, vs->state.tokens);
1371 vs->draw_vs = draw_create_vertex_shader(r300->draw, shader);
1377 static void r300_bind_vs_state(struct pipe_context* pipe, void* shader)
1379 struct r300_context* r300 = r300_context(pipe);
1380 struct r300_vertex_shader* vs = (struct r300_vertex_shader*)shader;
1383 r300->vs_state.state = NULL;
1386 if (vs == r300->vs_state.state) {
1389 r300->vs_state.state = vs;
1391 /* The majority of the RS block bits is dependent on the vertex shader. */
1392 r300->rs_block_state.dirty = TRUE; /* Will be updated before the emission. */
1394 if (r300->screen->caps.has_tcl) {
1395 r300->vs_state.dirty = TRUE;
1396 r300->vs_state.size =
1397 vs->code.length + 9 +
1398 (vs->immediates_count ? vs->immediates_count * 4 + 3 : 0);
1400 if (vs->externals_count) {
1401 r300->vs_constants.dirty = TRUE;
1402 r300->vs_constants.size = vs->externals_count * 4 + 3;
1404 r300->vs_constants.size = 0;
1407 r300->pvs_flush.dirty = TRUE;
1409 draw_flush(r300->draw);
1410 draw_bind_vertex_shader(r300->draw,
1411 (struct draw_vertex_shader*)vs->draw_vs);
1415 static void r300_delete_vs_state(struct pipe_context* pipe, void* shader)
1417 struct r300_context* r300 = r300_context(pipe);
1418 struct r300_vertex_shader* vs = (struct r300_vertex_shader*)shader;
1420 if (r300->screen->caps.has_tcl) {
1421 rc_constants_destroy(&vs->code.constants);
1423 draw_delete_vertex_shader(r300->draw,
1424 (struct draw_vertex_shader*)vs->draw_vs);
1427 FREE((void*)vs->state.tokens);
1431 static void r300_set_constant_buffer(struct pipe_context *pipe,
1432 uint shader, uint index,
1433 struct pipe_resource *buf)
1435 struct r300_context* r300 = r300_context(pipe);
1436 struct r300_constant_buffer *cbuf;
1437 struct pipe_transfer *tr;
1442 case PIPE_SHADER_VERTEX:
1443 cbuf = (struct r300_constant_buffer*)r300->vs_constants.state;
1446 case PIPE_SHADER_FRAGMENT:
1447 cbuf = (struct r300_constant_buffer*)r300->fs_constants.state;
1448 if (r300->screen->caps.is_r500) {
1459 if (buf == NULL || buf->width0 == 0 ||
1460 (mapped = pipe_buffer_map(pipe, buf, PIPE_TRANSFER_READ, &tr)) == NULL)
1466 assert((buf->width0 % 4 * sizeof(float)) == 0);
1468 /* Check the size of the constant buffer. */
1469 /* XXX Subtract immediates and RC_STATE_* variables. */
1470 if (buf->width0 > (sizeof(float) * 4 * max_size)) {
1471 fprintf(stderr, "r300: Max size of the constant buffer is "
1472 "%i*4 floats.\n", max_size);
1476 memcpy(cbuf->constants, mapped, buf->width0);
1477 cbuf->count = buf->width0 / (4 * sizeof(float));
1478 pipe_buffer_unmap(pipe, buf, tr);
1480 if (shader == PIPE_SHADER_VERTEX) {
1481 if (r300->screen->caps.has_tcl) {
1482 if (r300->vs_constants.size) {
1483 r300->vs_constants.dirty = TRUE;
1485 r300->pvs_flush.dirty = TRUE;
1486 } else if (r300->draw) {
1487 draw_set_mapped_constant_buffer(r300->draw, PIPE_SHADER_VERTEX,
1491 } else if (shader == PIPE_SHADER_FRAGMENT) {
1492 r300->fs_constants.dirty = TRUE;
1496 void r300_init_state_functions(struct r300_context* r300)
1498 r300->context.create_blend_state = r300_create_blend_state;
1499 r300->context.bind_blend_state = r300_bind_blend_state;
1500 r300->context.delete_blend_state = r300_delete_blend_state;
1502 r300->context.set_blend_color = r300_set_blend_color;
1504 r300->context.set_clip_state = r300_set_clip_state;
1506 r300->context.set_constant_buffer = r300_set_constant_buffer;
1508 r300->context.create_depth_stencil_alpha_state = r300_create_dsa_state;
1509 r300->context.bind_depth_stencil_alpha_state = r300_bind_dsa_state;
1510 r300->context.delete_depth_stencil_alpha_state = r300_delete_dsa_state;
1512 r300->context.set_stencil_ref = r300_set_stencil_ref;
1514 r300->context.set_framebuffer_state = r300_set_framebuffer_state;
1516 r300->context.create_fs_state = r300_create_fs_state;
1517 r300->context.bind_fs_state = r300_bind_fs_state;
1518 r300->context.delete_fs_state = r300_delete_fs_state;
1520 r300->context.set_polygon_stipple = r300_set_polygon_stipple;
1522 r300->context.create_rasterizer_state = r300_create_rs_state;
1523 r300->context.bind_rasterizer_state = r300_bind_rs_state;
1524 r300->context.delete_rasterizer_state = r300_delete_rs_state;
1526 r300->context.create_sampler_state = r300_create_sampler_state;
1527 r300->context.bind_fragment_sampler_states = r300_bind_sampler_states;
1528 r300->context.bind_vertex_sampler_states = r300_lacks_vertex_textures;
1529 r300->context.delete_sampler_state = r300_delete_sampler_state;
1531 r300->context.set_fragment_sampler_views = r300_set_fragment_sampler_views;
1532 r300->context.create_sampler_view = r300_create_sampler_view;
1533 r300->context.sampler_view_destroy = r300_sampler_view_destroy;
1535 r300->context.set_scissor_state = r300_set_scissor_state;
1537 r300->context.set_viewport_state = r300_set_viewport_state;
1539 r300->context.set_vertex_buffers = r300_set_vertex_buffers;
1541 r300->context.create_vertex_elements_state = r300_create_vertex_elements_state;
1542 r300->context.bind_vertex_elements_state = r300_bind_vertex_elements_state;
1543 r300->context.delete_vertex_elements_state = r300_delete_vertex_elements_state;
1545 r300->context.create_vs_state = r300_create_vs_state;
1546 r300->context.bind_vs_state = r300_bind_vs_state;
1547 r300->context.delete_vs_state = r300_delete_vs_state;