1 /*
2 * Copyright 2012 Red Hat Inc.
3 *
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 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
21 *
22 * Authors: Ben Skeggs
23 *
24 */
25
26 #include "util/u_format.h"
27 #include "util/u_helpers.h"
28 #include "util/u_inlines.h"
29
30 #include "nouveau_gldefs.h"
31 #include "nv_object.xml.h"
32 #include "nv30/nv30-40_3d.xml.h"
33 #include "nv30/nv30_context.h"
34 #include "nv30/nv30_winsys.h"
35
36 #define NV40_3D_MRT_BLEND_ENABLE 0x0000036c
37
38 static void *
nv30_blend_state_create(struct pipe_context * pipe,const struct pipe_blend_state * cso)39 nv30_blend_state_create(struct pipe_context *pipe,
40 const struct pipe_blend_state *cso)
41 {
42 struct nouveau_object *eng3d = nv30_context(pipe)->screen->eng3d;
43 struct nv30_blend_stateobj *so;
44 uint32_t blend[2], cmask[2];
45 int i;
46
47 so = CALLOC_STRUCT(nv30_blend_stateobj);
48 if (!so)
49 return NULL;
50 so->pipe = *cso;
51
52 if (cso->logicop_enable) {
53 SB_MTHD30(so, COLOR_LOGIC_OP_ENABLE, 2);
54 SB_DATA (so, 1);
55 SB_DATA (so, nvgl_logicop_func(cso->logicop_func));
56 } else {
57 SB_MTHD30(so, COLOR_LOGIC_OP_ENABLE, 1);
58 SB_DATA (so, 0);
59 }
60
61 SB_MTHD30(so, DITHER_ENABLE, 1);
62 SB_DATA (so, cso->dither);
63
64 blend[0] = cso->rt[0].blend_enable;
65 cmask[0] = !!(cso->rt[0].colormask & PIPE_MASK_A) << 24 |
66 !!(cso->rt[0].colormask & PIPE_MASK_R) << 16 |
67 !!(cso->rt[0].colormask & PIPE_MASK_G) << 8 |
68 !!(cso->rt[0].colormask & PIPE_MASK_B);
69 if (cso->independent_blend_enable) {
70 blend[1] = 0;
71 cmask[1] = 0;
72 for (i = 1; i < 4; i++) {
73 blend[1] |= cso->rt[i].blend_enable << i;
74 cmask[1] |= !!(cso->rt[i].colormask & PIPE_MASK_A) << (0 + (i * 4)) |
75 !!(cso->rt[i].colormask & PIPE_MASK_R) << (1 + (i * 4)) |
76 !!(cso->rt[i].colormask & PIPE_MASK_G) << (2 + (i * 4)) |
77 !!(cso->rt[i].colormask & PIPE_MASK_B) << (3 + (i * 4));
78 }
79 } else {
80 blend[1] = 0x0000000e * (blend[0] & 0x00000001);
81 cmask[1] = 0x00001110 * !!(cmask[0] & 0x01000000);
82 cmask[1] |= 0x00002220 * !!(cmask[0] & 0x00010000);
83 cmask[1] |= 0x00004440 * !!(cmask[0] & 0x00000100);
84 cmask[1] |= 0x00008880 * !!(cmask[0] & 0x00000001);
85 }
86
87 if (eng3d->oclass >= NV40_3D_CLASS) {
88 SB_MTHD40(so, MRT_BLEND_ENABLE, 2);
89 SB_DATA (so, blend[1]);
90 SB_DATA (so, cmask[1]);
91 }
92
93 if (blend[0] || blend[1]) {
94 SB_MTHD30(so, BLEND_FUNC_ENABLE, 3);
95 SB_DATA (so, blend[0]);
96 SB_DATA (so, (nvgl_blend_func(cso->rt[0].alpha_src_factor) << 16) |
97 nvgl_blend_func(cso->rt[0].rgb_src_factor));
98 SB_DATA (so, (nvgl_blend_func(cso->rt[0].alpha_dst_factor) << 16) |
99 nvgl_blend_func(cso->rt[0].rgb_dst_factor));
100 if (eng3d->oclass < NV40_3D_CLASS) {
101 SB_MTHD30(so, BLEND_EQUATION, 1);
102 SB_DATA (so, nvgl_blend_eqn(cso->rt[0].rgb_func));
103 } else {
104 SB_MTHD40(so, BLEND_EQUATION, 1);
105 SB_DATA (so, (nvgl_blend_eqn(cso->rt[0].alpha_func) << 16) |
106 nvgl_blend_eqn(cso->rt[0].rgb_func));
107 }
108 } else {
109 SB_MTHD30(so, BLEND_FUNC_ENABLE, 1);
110 SB_DATA (so, blend[0]);
111 }
112
113 SB_MTHD30(so, COLOR_MASK, 1);
114 SB_DATA (so, cmask[0]);
115 return so;
116 }
117
118 static void
nv30_blend_state_bind(struct pipe_context * pipe,void * hwcso)119 nv30_blend_state_bind(struct pipe_context *pipe, void *hwcso)
120 {
121 struct nv30_context *nv30 = nv30_context(pipe);
122
123 nv30->blend = hwcso;
124 nv30->dirty |= NV30_NEW_BLEND;
125 }
126
127 static void
nv30_blend_state_delete(struct pipe_context * pipe,void * hwcso)128 nv30_blend_state_delete(struct pipe_context *pipe, void *hwcso)
129 {
130 FREE(hwcso);
131 }
132
133 static void *
nv30_rasterizer_state_create(struct pipe_context * pipe,const struct pipe_rasterizer_state * cso)134 nv30_rasterizer_state_create(struct pipe_context *pipe,
135 const struct pipe_rasterizer_state *cso)
136 {
137 struct nv30_rasterizer_stateobj *so;
138
139 so = CALLOC_STRUCT(nv30_rasterizer_stateobj);
140 if (!so)
141 return NULL;
142 so->pipe = *cso;
143
144 SB_MTHD30(so, SHADE_MODEL, 1);
145 SB_DATA (so, cso->flatshade ? NV30_3D_SHADE_MODEL_FLAT :
146 NV30_3D_SHADE_MODEL_SMOOTH);
147
148 SB_MTHD30(so, POLYGON_MODE_FRONT, 6);
149 SB_DATA (so, nvgl_polygon_mode(cso->fill_front));
150 SB_DATA (so, nvgl_polygon_mode(cso->fill_back));
151 if (cso->cull_face == PIPE_FACE_FRONT_AND_BACK)
152 SB_DATA (so, NV30_3D_CULL_FACE_FRONT_AND_BACK);
153 else
154 if (cso->cull_face == PIPE_FACE_FRONT)
155 SB_DATA (so, NV30_3D_CULL_FACE_FRONT);
156 else
157 SB_DATA (so, NV30_3D_CULL_FACE_BACK);
158 SB_DATA (so, cso->front_ccw ? NV30_3D_FRONT_FACE_CCW :
159 NV30_3D_FRONT_FACE_CW);
160 SB_DATA (so, cso->poly_smooth);
161 SB_DATA (so, cso->cull_face != PIPE_FACE_NONE);
162
163 SB_MTHD30(so, POLYGON_OFFSET_POINT_ENABLE, 3);
164 SB_DATA (so, cso->offset_point);
165 SB_DATA (so, cso->offset_line);
166 SB_DATA (so, cso->offset_tri);
167 if (cso->offset_point || cso->offset_line || cso->offset_tri) {
168 SB_MTHD30(so, POLYGON_OFFSET_FACTOR, 2);
169 SB_DATA (so, fui(cso->offset_scale));
170 SB_DATA (so, fui(cso->offset_units * 2.0));
171 }
172
173 SB_MTHD30(so, LINE_WIDTH, 2);
174 SB_DATA (so, (unsigned char)(cso->line_width * 8.0) & 0xff);
175 SB_DATA (so, cso->line_smooth);
176 SB_MTHD30(so, LINE_STIPPLE_ENABLE, 2);
177 SB_DATA (so, cso->line_stipple_enable);
178 SB_DATA (so, (cso->line_stipple_pattern << 16) |
179 cso->line_stipple_factor);
180
181 SB_MTHD30(so, VERTEX_TWO_SIDE_ENABLE, 1);
182 SB_DATA (so, cso->light_twoside);
183 SB_MTHD30(so, POLYGON_STIPPLE_ENABLE, 1);
184 SB_DATA (so, cso->poly_stipple_enable);
185 SB_MTHD30(so, POINT_SIZE, 1);
186 SB_DATA (so, fui(cso->point_size));
187 SB_MTHD30(so, FLATSHADE_FIRST, 1);
188 SB_DATA (so, cso->flatshade_first);
189
190 SB_MTHD30(so, DEPTH_CONTROL, 1);
191 SB_DATA (so, cso->depth_clip ? 0x00000001 : 0x00000010);
192 return so;
193 }
194
195 static void
nv30_rasterizer_state_bind(struct pipe_context * pipe,void * hwcso)196 nv30_rasterizer_state_bind(struct pipe_context *pipe, void *hwcso)
197 {
198 struct nv30_context *nv30 = nv30_context(pipe);
199
200 nv30->rast = hwcso;
201 nv30->dirty |= NV30_NEW_RASTERIZER;
202 }
203
204 static void
nv30_rasterizer_state_delete(struct pipe_context * pipe,void * hwcso)205 nv30_rasterizer_state_delete(struct pipe_context *pipe, void *hwcso)
206 {
207 FREE(hwcso);
208 }
209
210 static void *
nv30_zsa_state_create(struct pipe_context * pipe,const struct pipe_depth_stencil_alpha_state * cso)211 nv30_zsa_state_create(struct pipe_context *pipe,
212 const struct pipe_depth_stencil_alpha_state *cso)
213 {
214 struct nouveau_object *eng3d = nv30_context(pipe)->screen->eng3d;
215 struct nv30_zsa_stateobj *so;
216
217 so = CALLOC_STRUCT(nv30_zsa_stateobj);
218 if (!so)
219 return NULL;
220 so->pipe = *cso;
221
222 SB_MTHD30(so, DEPTH_FUNC, 3);
223 SB_DATA (so, nvgl_comparison_op(cso->depth.func));
224 SB_DATA (so, cso->depth.writemask);
225 SB_DATA (so, cso->depth.enabled);
226
227 if (eng3d->oclass == NV35_3D_CLASS || eng3d->oclass >= NV40_3D_CLASS) {
228 SB_MTHD35(so, DEPTH_BOUNDS_TEST_ENABLE, 3);
229 SB_DATA (so, cso->depth.bounds_test);
230 SB_DATA (so, fui(cso->depth.bounds_min));
231 SB_DATA (so, fui(cso->depth.bounds_max));
232 }
233
234 if (cso->stencil[0].enabled) {
235 SB_MTHD30(so, STENCIL_ENABLE(0), 3);
236 SB_DATA (so, 1);
237 SB_DATA (so, cso->stencil[0].writemask);
238 SB_DATA (so, nvgl_comparison_op(cso->stencil[0].func));
239 SB_MTHD30(so, STENCIL_FUNC_MASK(0), 4);
240 SB_DATA (so, cso->stencil[0].valuemask);
241 SB_DATA (so, nvgl_stencil_op(cso->stencil[0].fail_op));
242 SB_DATA (so, nvgl_stencil_op(cso->stencil[0].zfail_op));
243 SB_DATA (so, nvgl_stencil_op(cso->stencil[0].zpass_op));
244 } else {
245 SB_MTHD30(so, STENCIL_ENABLE(0), 2);
246 SB_DATA (so, 0);
247 SB_DATA (so, 0x000000ff);
248 }
249
250 if (cso->stencil[1].enabled) {
251 SB_MTHD30(so, STENCIL_ENABLE(1), 3);
252 SB_DATA (so, 1);
253 SB_DATA (so, cso->stencil[1].writemask);
254 SB_DATA (so, nvgl_comparison_op(cso->stencil[1].func));
255 SB_MTHD30(so, STENCIL_FUNC_MASK(1), 4);
256 SB_DATA (so, cso->stencil[1].valuemask);
257 SB_DATA (so, nvgl_stencil_op(cso->stencil[1].fail_op));
258 SB_DATA (so, nvgl_stencil_op(cso->stencil[1].zfail_op));
259 SB_DATA (so, nvgl_stencil_op(cso->stencil[1].zpass_op));
260 } else {
261 SB_MTHD30(so, STENCIL_ENABLE(1), 1);
262 SB_DATA (so, 0);
263 }
264
265 SB_MTHD30(so, ALPHA_FUNC_ENABLE, 3);
266 SB_DATA (so, cso->alpha.enabled ? 1 : 0);
267 SB_DATA (so, nvgl_comparison_op(cso->alpha.func));
268 SB_DATA (so, float_to_ubyte(cso->alpha.ref_value));
269
270 return so;
271 }
272
273 static void
nv30_zsa_state_bind(struct pipe_context * pipe,void * hwcso)274 nv30_zsa_state_bind(struct pipe_context *pipe, void *hwcso)
275 {
276 struct nv30_context *nv30 = nv30_context(pipe);
277
278 nv30->zsa = hwcso;
279 nv30->dirty |= NV30_NEW_ZSA;
280 }
281
282 static void
nv30_zsa_state_delete(struct pipe_context * pipe,void * hwcso)283 nv30_zsa_state_delete(struct pipe_context *pipe, void *hwcso)
284 {
285 FREE(hwcso);
286 }
287
288 static void
nv30_set_blend_color(struct pipe_context * pipe,const struct pipe_blend_color * bcol)289 nv30_set_blend_color(struct pipe_context *pipe,
290 const struct pipe_blend_color *bcol)
291 {
292 struct nv30_context *nv30 = nv30_context(pipe);
293
294 nv30->blend_colour = *bcol;
295 nv30->dirty |= NV30_NEW_BLEND_COLOUR;
296 }
297
298 static void
nv30_set_stencil_ref(struct pipe_context * pipe,const struct pipe_stencil_ref * sr)299 nv30_set_stencil_ref(struct pipe_context *pipe,
300 const struct pipe_stencil_ref *sr)
301 {
302 struct nv30_context *nv30 = nv30_context(pipe);
303
304 nv30->stencil_ref = *sr;
305 nv30->dirty |= NV30_NEW_STENCIL_REF;
306 }
307
308 static void
nv30_set_clip_state(struct pipe_context * pipe,const struct pipe_clip_state * clip)309 nv30_set_clip_state(struct pipe_context *pipe,
310 const struct pipe_clip_state *clip)
311 {
312 struct nv30_context *nv30 = nv30_context(pipe);
313
314 memcpy(nv30->clip.ucp, clip->ucp, sizeof(clip->ucp));
315
316 nv30->dirty |= NV30_NEW_CLIP;
317 }
318
319 static void
nv30_set_sample_mask(struct pipe_context * pipe,unsigned sample_mask)320 nv30_set_sample_mask(struct pipe_context *pipe, unsigned sample_mask)
321 {
322 struct nv30_context *nv30 = nv30_context(pipe);
323
324 nv30->sample_mask = sample_mask;
325 nv30->dirty |= NV30_NEW_SAMPLE_MASK;
326 }
327
328 static void
nv30_set_constant_buffer(struct pipe_context * pipe,enum pipe_shader_type shader,uint index,const struct pipe_constant_buffer * cb)329 nv30_set_constant_buffer(struct pipe_context *pipe,
330 enum pipe_shader_type shader, uint index,
331 const struct pipe_constant_buffer *cb)
332 {
333 struct nv30_context *nv30 = nv30_context(pipe);
334 struct pipe_resource *buf = cb ? cb->buffer : NULL;
335 unsigned size;
336
337 if (cb && cb->user_buffer) {
338 buf = nouveau_user_buffer_create(pipe->screen, (void*)cb->user_buffer,
339 cb->buffer_size,
340 PIPE_BIND_CONSTANT_BUFFER);
341 }
342
343 size = 0;
344 if (buf)
345 size = buf->width0 / (4 * sizeof(float));
346
347 if (shader == PIPE_SHADER_VERTEX) {
348 pipe_resource_reference(&nv30->vertprog.constbuf, buf);
349 nv30->vertprog.constbuf_nr = size;
350 nv30->dirty |= NV30_NEW_VERTCONST;
351 } else
352 if (shader == PIPE_SHADER_FRAGMENT) {
353 pipe_resource_reference(&nv30->fragprog.constbuf, buf);
354 nv30->fragprog.constbuf_nr = size;
355 nv30->dirty |= NV30_NEW_FRAGCONST;
356 }
357
358 if (cb && cb->user_buffer) {
359 pipe_resource_reference(&buf, NULL);
360 }
361 }
362
363 static void
nv30_set_framebuffer_state(struct pipe_context * pipe,const struct pipe_framebuffer_state * fb)364 nv30_set_framebuffer_state(struct pipe_context *pipe,
365 const struct pipe_framebuffer_state *fb)
366 {
367 struct nv30_context *nv30 = nv30_context(pipe);
368
369 nouveau_bufctx_reset(nv30->bufctx, BUFCTX_FB);
370
371 nv30->framebuffer = *fb;
372 nv30->dirty |= NV30_NEW_FRAMEBUFFER;
373
374 /* Hardware can't handle different swizzled-ness or different blocksizes
375 * for zs and cbufs. If both are supplied and something doesn't match,
376 * blank out the zs for now so that at least *some* rendering can occur.
377 */
378 if (fb->nr_cbufs > 0 && fb->zsbuf) {
379 struct nv30_miptree *color_mt = nv30_miptree(fb->cbufs[0]->texture);
380 struct nv30_miptree *zeta_mt = nv30_miptree(fb->zsbuf->texture);
381
382 if (color_mt->swizzled != zeta_mt->swizzled ||
383 (color_mt->swizzled &&
384 (util_format_get_blocksize(fb->zsbuf->format) > 2) !=
385 (util_format_get_blocksize(fb->cbufs[0]->format) > 2))) {
386 nv30->framebuffer.zsbuf = NULL;
387 debug_printf("Mismatched color and zeta formats, ignoring zeta.\n");
388 }
389 }
390 }
391
392 static void
nv30_set_polygon_stipple(struct pipe_context * pipe,const struct pipe_poly_stipple * stipple)393 nv30_set_polygon_stipple(struct pipe_context *pipe,
394 const struct pipe_poly_stipple *stipple)
395 {
396 struct nv30_context *nv30 = nv30_context(pipe);
397
398 nv30->stipple = *stipple;
399 nv30->dirty |= NV30_NEW_STIPPLE;
400 }
401
402 static void
nv30_set_scissor_states(struct pipe_context * pipe,unsigned start_slot,unsigned num_viewports,const struct pipe_scissor_state * scissor)403 nv30_set_scissor_states(struct pipe_context *pipe,
404 unsigned start_slot,
405 unsigned num_viewports,
406 const struct pipe_scissor_state *scissor)
407 {
408 struct nv30_context *nv30 = nv30_context(pipe);
409
410 nv30->scissor = *scissor;
411 nv30->dirty |= NV30_NEW_SCISSOR;
412 }
413
414 static void
nv30_set_viewport_states(struct pipe_context * pipe,unsigned start_slot,unsigned num_viewports,const struct pipe_viewport_state * vpt)415 nv30_set_viewport_states(struct pipe_context *pipe,
416 unsigned start_slot,
417 unsigned num_viewports,
418 const struct pipe_viewport_state *vpt)
419 {
420 struct nv30_context *nv30 = nv30_context(pipe);
421
422 nv30->viewport = *vpt;
423 nv30->dirty |= NV30_NEW_VIEWPORT;
424 }
425
426 static void
nv30_set_vertex_buffers(struct pipe_context * pipe,unsigned start_slot,unsigned count,const struct pipe_vertex_buffer * vb)427 nv30_set_vertex_buffers(struct pipe_context *pipe,
428 unsigned start_slot, unsigned count,
429 const struct pipe_vertex_buffer *vb)
430 {
431 struct nv30_context *nv30 = nv30_context(pipe);
432
433 nouveau_bufctx_reset(nv30->bufctx, BUFCTX_VTXBUF);
434
435 util_set_vertex_buffers_count(nv30->vtxbuf, &nv30->num_vtxbufs,
436 vb, start_slot, count);
437
438 nv30->dirty |= NV30_NEW_ARRAYS;
439 }
440
441 void
nv30_state_init(struct pipe_context * pipe)442 nv30_state_init(struct pipe_context *pipe)
443 {
444 pipe->create_blend_state = nv30_blend_state_create;
445 pipe->bind_blend_state = nv30_blend_state_bind;
446 pipe->delete_blend_state = nv30_blend_state_delete;
447
448 pipe->create_rasterizer_state = nv30_rasterizer_state_create;
449 pipe->bind_rasterizer_state = nv30_rasterizer_state_bind;
450 pipe->delete_rasterizer_state = nv30_rasterizer_state_delete;
451
452 pipe->create_depth_stencil_alpha_state = nv30_zsa_state_create;
453 pipe->bind_depth_stencil_alpha_state = nv30_zsa_state_bind;
454 pipe->delete_depth_stencil_alpha_state = nv30_zsa_state_delete;
455
456 pipe->set_blend_color = nv30_set_blend_color;
457 pipe->set_stencil_ref = nv30_set_stencil_ref;
458 pipe->set_clip_state = nv30_set_clip_state;
459 pipe->set_sample_mask = nv30_set_sample_mask;
460 pipe->set_constant_buffer = nv30_set_constant_buffer;
461 pipe->set_framebuffer_state = nv30_set_framebuffer_state;
462 pipe->set_polygon_stipple = nv30_set_polygon_stipple;
463 pipe->set_scissor_states = nv30_set_scissor_states;
464 pipe->set_viewport_states = nv30_set_viewport_states;
465
466 pipe->set_vertex_buffers = nv30_set_vertex_buffers;
467 }
468