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1 /*
2  * Copyright 2010 Christoph Bumiller
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 
23 #include "pipe/p_defines.h"
24 #include "util/u_framebuffer.h"
25 #include "util/u_helpers.h"
26 #include "util/u_inlines.h"
27 #include "util/u_transfer.h"
28 
29 #include "tgsi/tgsi_parse.h"
30 
31 #include "nvc0/nvc0_stateobj.h"
32 #include "nvc0/nvc0_context.h"
33 #include "nvc0/nvc0_query_hw.h"
34 
35 #include "nvc0/nvc0_3d.xml.h"
36 
37 #include "nouveau_gldefs.h"
38 
39 static inline uint32_t
nvc0_colormask(unsigned mask)40 nvc0_colormask(unsigned mask)
41 {
42     uint32_t ret = 0;
43 
44     if (mask & PIPE_MASK_R)
45         ret |= 0x0001;
46     if (mask & PIPE_MASK_G)
47         ret |= 0x0010;
48     if (mask & PIPE_MASK_B)
49         ret |= 0x0100;
50     if (mask & PIPE_MASK_A)
51         ret |= 0x1000;
52 
53     return ret;
54 }
55 
56 #define NVC0_BLEND_FACTOR_CASE(a, b) \
57    case PIPE_BLENDFACTOR_##a: return NV50_BLEND_FACTOR_##b
58 
59 static inline uint32_t
nvc0_blend_fac(unsigned factor)60 nvc0_blend_fac(unsigned factor)
61 {
62    switch (factor) {
63    NVC0_BLEND_FACTOR_CASE(ONE, ONE);
64    NVC0_BLEND_FACTOR_CASE(SRC_COLOR, SRC_COLOR);
65    NVC0_BLEND_FACTOR_CASE(SRC_ALPHA, SRC_ALPHA);
66    NVC0_BLEND_FACTOR_CASE(DST_ALPHA, DST_ALPHA);
67    NVC0_BLEND_FACTOR_CASE(DST_COLOR, DST_COLOR);
68    NVC0_BLEND_FACTOR_CASE(SRC_ALPHA_SATURATE, SRC_ALPHA_SATURATE);
69    NVC0_BLEND_FACTOR_CASE(CONST_COLOR, CONSTANT_COLOR);
70    NVC0_BLEND_FACTOR_CASE(CONST_ALPHA, CONSTANT_ALPHA);
71    NVC0_BLEND_FACTOR_CASE(SRC1_COLOR, SRC1_COLOR);
72    NVC0_BLEND_FACTOR_CASE(SRC1_ALPHA, SRC1_ALPHA);
73    NVC0_BLEND_FACTOR_CASE(ZERO, ZERO);
74    NVC0_BLEND_FACTOR_CASE(INV_SRC_COLOR, ONE_MINUS_SRC_COLOR);
75    NVC0_BLEND_FACTOR_CASE(INV_SRC_ALPHA, ONE_MINUS_SRC_ALPHA);
76    NVC0_BLEND_FACTOR_CASE(INV_DST_ALPHA, ONE_MINUS_DST_ALPHA);
77    NVC0_BLEND_FACTOR_CASE(INV_DST_COLOR, ONE_MINUS_DST_COLOR);
78    NVC0_BLEND_FACTOR_CASE(INV_CONST_COLOR, ONE_MINUS_CONSTANT_COLOR);
79    NVC0_BLEND_FACTOR_CASE(INV_CONST_ALPHA, ONE_MINUS_CONSTANT_ALPHA);
80    NVC0_BLEND_FACTOR_CASE(INV_SRC1_COLOR, ONE_MINUS_SRC1_COLOR);
81    NVC0_BLEND_FACTOR_CASE(INV_SRC1_ALPHA, ONE_MINUS_SRC1_ALPHA);
82    default:
83       return NV50_BLEND_FACTOR_ZERO;
84    }
85 }
86 
87 static void *
nvc0_blend_state_create(struct pipe_context * pipe,const struct pipe_blend_state * cso)88 nvc0_blend_state_create(struct pipe_context *pipe,
89                         const struct pipe_blend_state *cso)
90 {
91    struct nvc0_blend_stateobj *so = CALLOC_STRUCT(nvc0_blend_stateobj);
92    int i;
93    int r; /* reference */
94    uint32_t ms;
95    uint8_t blend_en = 0;
96    bool indep_masks = false;
97    bool indep_funcs = false;
98 
99    so->pipe = *cso;
100 
101    /* check which states actually have differing values */
102    if (cso->independent_blend_enable) {
103       for (r = 0; r < 8 && !cso->rt[r].blend_enable; ++r);
104       blend_en |= 1 << r;
105       for (i = r + 1; i < 8; ++i) {
106          if (!cso->rt[i].blend_enable)
107             continue;
108          blend_en |= 1 << i;
109          if (cso->rt[i].rgb_func != cso->rt[r].rgb_func ||
110              cso->rt[i].rgb_src_factor != cso->rt[r].rgb_src_factor ||
111              cso->rt[i].rgb_dst_factor != cso->rt[r].rgb_dst_factor ||
112              cso->rt[i].alpha_func != cso->rt[r].alpha_func ||
113              cso->rt[i].alpha_src_factor != cso->rt[r].alpha_src_factor ||
114              cso->rt[i].alpha_dst_factor != cso->rt[r].alpha_dst_factor) {
115             indep_funcs = true;
116             break;
117          }
118       }
119       for (; i < 8; ++i)
120          blend_en |= (cso->rt[i].blend_enable ? 1 : 0) << i;
121 
122       for (i = 1; i < 8; ++i) {
123          if (cso->rt[i].colormask != cso->rt[0].colormask) {
124             indep_masks = true;
125             break;
126          }
127       }
128    } else {
129       r = 0;
130       if (cso->rt[0].blend_enable)
131          blend_en = 0xff;
132    }
133 
134    if (cso->logicop_enable) {
135       SB_BEGIN_3D(so, LOGIC_OP_ENABLE, 2);
136       SB_DATA    (so, 1);
137       SB_DATA    (so, nvgl_logicop_func(cso->logicop_func));
138 
139       SB_IMMED_3D(so, MACRO_BLEND_ENABLES, 0);
140    } else {
141       SB_IMMED_3D(so, LOGIC_OP_ENABLE, 0);
142 
143       SB_IMMED_3D(so, BLEND_INDEPENDENT, indep_funcs);
144       SB_IMMED_3D(so, MACRO_BLEND_ENABLES, blend_en);
145       if (indep_funcs) {
146          for (i = 0; i < 8; ++i) {
147             if (cso->rt[i].blend_enable) {
148                SB_BEGIN_3D(so, IBLEND_EQUATION_RGB(i), 6);
149                SB_DATA    (so, nvgl_blend_eqn(cso->rt[i].rgb_func));
150                SB_DATA    (so, nvc0_blend_fac(cso->rt[i].rgb_src_factor));
151                SB_DATA    (so, nvc0_blend_fac(cso->rt[i].rgb_dst_factor));
152                SB_DATA    (so, nvgl_blend_eqn(cso->rt[i].alpha_func));
153                SB_DATA    (so, nvc0_blend_fac(cso->rt[i].alpha_src_factor));
154                SB_DATA    (so, nvc0_blend_fac(cso->rt[i].alpha_dst_factor));
155             }
156          }
157       } else
158       if (blend_en) {
159          SB_BEGIN_3D(so, BLEND_EQUATION_RGB, 5);
160          SB_DATA    (so, nvgl_blend_eqn(cso->rt[r].rgb_func));
161          SB_DATA    (so, nvc0_blend_fac(cso->rt[r].rgb_src_factor));
162          SB_DATA    (so, nvc0_blend_fac(cso->rt[r].rgb_dst_factor));
163          SB_DATA    (so, nvgl_blend_eqn(cso->rt[r].alpha_func));
164          SB_DATA    (so, nvc0_blend_fac(cso->rt[r].alpha_src_factor));
165          SB_BEGIN_3D(so, BLEND_FUNC_DST_ALPHA, 1);
166          SB_DATA    (so, nvc0_blend_fac(cso->rt[r].alpha_dst_factor));
167       }
168 
169       SB_IMMED_3D(so, COLOR_MASK_COMMON, !indep_masks);
170       if (indep_masks) {
171          SB_BEGIN_3D(so, COLOR_MASK(0), 8);
172          for (i = 0; i < 8; ++i)
173             SB_DATA(so, nvc0_colormask(cso->rt[i].colormask));
174       } else {
175          SB_BEGIN_3D(so, COLOR_MASK(0), 1);
176          SB_DATA    (so, nvc0_colormask(cso->rt[0].colormask));
177       }
178    }
179 
180    ms = 0;
181    if (cso->alpha_to_coverage)
182       ms |= NVC0_3D_MULTISAMPLE_CTRL_ALPHA_TO_COVERAGE;
183    if (cso->alpha_to_one)
184       ms |= NVC0_3D_MULTISAMPLE_CTRL_ALPHA_TO_ONE;
185 
186    SB_BEGIN_3D(so, MULTISAMPLE_CTRL, 1);
187    SB_DATA    (so, ms);
188 
189    assert(so->size <= ARRAY_SIZE(so->state));
190    return so;
191 }
192 
193 static void
nvc0_blend_state_bind(struct pipe_context * pipe,void * hwcso)194 nvc0_blend_state_bind(struct pipe_context *pipe, void *hwcso)
195 {
196     struct nvc0_context *nvc0 = nvc0_context(pipe);
197 
198     nvc0->blend = hwcso;
199     nvc0->dirty_3d |= NVC0_NEW_3D_BLEND;
200 }
201 
202 static void
nvc0_blend_state_delete(struct pipe_context * pipe,void * hwcso)203 nvc0_blend_state_delete(struct pipe_context *pipe, void *hwcso)
204 {
205     FREE(hwcso);
206 }
207 
208 /* NOTE: ignoring line_last_pixel */
209 static void *
nvc0_rasterizer_state_create(struct pipe_context * pipe,const struct pipe_rasterizer_state * cso)210 nvc0_rasterizer_state_create(struct pipe_context *pipe,
211                              const struct pipe_rasterizer_state *cso)
212 {
213     struct nvc0_rasterizer_stateobj *so;
214     uint32_t reg;
215 
216     so = CALLOC_STRUCT(nvc0_rasterizer_stateobj);
217     if (!so)
218         return NULL;
219     so->pipe = *cso;
220 
221     /* Scissor enables are handled in scissor state, we will not want to
222      * always emit 16 commands, one for each scissor rectangle, here.
223      */
224 
225     SB_IMMED_3D(so, PROVOKING_VERTEX_LAST, !cso->flatshade_first);
226     SB_IMMED_3D(so, VERTEX_TWO_SIDE_ENABLE, cso->light_twoside);
227 
228     SB_IMMED_3D(so, VERT_COLOR_CLAMP_EN, cso->clamp_vertex_color);
229     SB_BEGIN_3D(so, FRAG_COLOR_CLAMP_EN, 1);
230     SB_DATA    (so, cso->clamp_fragment_color ? 0x11111111 : 0x00000000);
231 
232     SB_IMMED_3D(so, MULTISAMPLE_ENABLE, cso->multisample);
233 
234     SB_IMMED_3D(so, LINE_SMOOTH_ENABLE, cso->line_smooth);
235     if (cso->line_smooth || cso->multisample)
236        SB_BEGIN_3D(so, LINE_WIDTH_SMOOTH, 1);
237     else
238        SB_BEGIN_3D(so, LINE_WIDTH_ALIASED, 1);
239     SB_DATA    (so, fui(cso->line_width));
240 
241     SB_IMMED_3D(so, LINE_STIPPLE_ENABLE, cso->line_stipple_enable);
242     if (cso->line_stipple_enable) {
243         SB_BEGIN_3D(so, LINE_STIPPLE_PATTERN, 1);
244         SB_DATA    (so, (cso->line_stipple_pattern << 8) |
245                          cso->line_stipple_factor);
246 
247     }
248 
249     SB_IMMED_3D(so, VP_POINT_SIZE, cso->point_size_per_vertex);
250     if (!cso->point_size_per_vertex) {
251        SB_BEGIN_3D(so, POINT_SIZE, 1);
252        SB_DATA    (so, fui(cso->point_size));
253     }
254 
255     reg = (cso->sprite_coord_mode == PIPE_SPRITE_COORD_UPPER_LEFT) ?
256        NVC0_3D_POINT_COORD_REPLACE_COORD_ORIGIN_UPPER_LEFT :
257        NVC0_3D_POINT_COORD_REPLACE_COORD_ORIGIN_LOWER_LEFT;
258 
259     SB_BEGIN_3D(so, POINT_COORD_REPLACE, 1);
260     SB_DATA    (so, ((cso->sprite_coord_enable & 0xff) << 3) | reg);
261     SB_IMMED_3D(so, POINT_SPRITE_ENABLE, cso->point_quad_rasterization);
262     SB_IMMED_3D(so, POINT_SMOOTH_ENABLE, cso->point_smooth);
263 
264     SB_BEGIN_3D(so, MACRO_POLYGON_MODE_FRONT, 1);
265     SB_DATA    (so, nvgl_polygon_mode(cso->fill_front));
266     SB_BEGIN_3D(so, MACRO_POLYGON_MODE_BACK, 1);
267     SB_DATA    (so, nvgl_polygon_mode(cso->fill_back));
268     SB_IMMED_3D(so, POLYGON_SMOOTH_ENABLE, cso->poly_smooth);
269 
270     SB_BEGIN_3D(so, CULL_FACE_ENABLE, 3);
271     SB_DATA    (so, cso->cull_face != PIPE_FACE_NONE);
272     SB_DATA    (so, cso->front_ccw ? NVC0_3D_FRONT_FACE_CCW :
273                                      NVC0_3D_FRONT_FACE_CW);
274     switch (cso->cull_face) {
275     case PIPE_FACE_FRONT_AND_BACK:
276        SB_DATA(so, NVC0_3D_CULL_FACE_FRONT_AND_BACK);
277        break;
278     case PIPE_FACE_FRONT:
279        SB_DATA(so, NVC0_3D_CULL_FACE_FRONT);
280        break;
281     case PIPE_FACE_BACK:
282     default:
283        SB_DATA(so, NVC0_3D_CULL_FACE_BACK);
284        break;
285     }
286 
287     SB_IMMED_3D(so, POLYGON_STIPPLE_ENABLE, cso->poly_stipple_enable);
288     SB_BEGIN_3D(so, POLYGON_OFFSET_POINT_ENABLE, 3);
289     SB_DATA    (so, cso->offset_point);
290     SB_DATA    (so, cso->offset_line);
291     SB_DATA    (so, cso->offset_tri);
292 
293     if (cso->offset_point || cso->offset_line || cso->offset_tri) {
294         SB_BEGIN_3D(so, POLYGON_OFFSET_FACTOR, 1);
295         SB_DATA    (so, fui(cso->offset_scale));
296         if (!cso->offset_units_unscaled) {
297            SB_BEGIN_3D(so, POLYGON_OFFSET_UNITS, 1);
298            SB_DATA    (so, fui(cso->offset_units * 2.0f));
299         }
300         SB_BEGIN_3D(so, POLYGON_OFFSET_CLAMP, 1);
301         SB_DATA    (so, fui(cso->offset_clamp));
302     }
303 
304     if (cso->depth_clip)
305        reg = NVC0_3D_VIEW_VOLUME_CLIP_CTRL_UNK1_UNK1;
306     else
307        reg =
308           NVC0_3D_VIEW_VOLUME_CLIP_CTRL_UNK1_UNK1 |
309           NVC0_3D_VIEW_VOLUME_CLIP_CTRL_DEPTH_CLAMP_NEAR |
310           NVC0_3D_VIEW_VOLUME_CLIP_CTRL_DEPTH_CLAMP_FAR |
311           NVC0_3D_VIEW_VOLUME_CLIP_CTRL_UNK12_UNK2;
312 
313     SB_BEGIN_3D(so, VIEW_VOLUME_CLIP_CTRL, 1);
314     SB_DATA    (so, reg);
315 
316     SB_IMMED_3D(so, DEPTH_CLIP_NEGATIVE_Z, cso->clip_halfz);
317 
318     SB_IMMED_3D(so, PIXEL_CENTER_INTEGER, !cso->half_pixel_center);
319 
320     assert(so->size <= ARRAY_SIZE(so->state));
321     return (void *)so;
322 }
323 
324 static void
nvc0_rasterizer_state_bind(struct pipe_context * pipe,void * hwcso)325 nvc0_rasterizer_state_bind(struct pipe_context *pipe, void *hwcso)
326 {
327    struct nvc0_context *nvc0 = nvc0_context(pipe);
328 
329    nvc0->rast = hwcso;
330    nvc0->dirty_3d |= NVC0_NEW_3D_RASTERIZER;
331 }
332 
333 static void
nvc0_rasterizer_state_delete(struct pipe_context * pipe,void * hwcso)334 nvc0_rasterizer_state_delete(struct pipe_context *pipe, void *hwcso)
335 {
336    FREE(hwcso);
337 }
338 
339 static void *
nvc0_zsa_state_create(struct pipe_context * pipe,const struct pipe_depth_stencil_alpha_state * cso)340 nvc0_zsa_state_create(struct pipe_context *pipe,
341                       const struct pipe_depth_stencil_alpha_state *cso)
342 {
343    struct nvc0_zsa_stateobj *so = CALLOC_STRUCT(nvc0_zsa_stateobj);
344 
345    so->pipe = *cso;
346 
347    SB_IMMED_3D(so, DEPTH_TEST_ENABLE, cso->depth.enabled);
348    if (cso->depth.enabled) {
349       SB_IMMED_3D(so, DEPTH_WRITE_ENABLE, cso->depth.writemask);
350       SB_BEGIN_3D(so, DEPTH_TEST_FUNC, 1);
351       SB_DATA    (so, nvgl_comparison_op(cso->depth.func));
352    }
353 
354    SB_IMMED_3D(so, DEPTH_BOUNDS_EN, cso->depth.bounds_test);
355    if (cso->depth.bounds_test) {
356       SB_BEGIN_3D(so, DEPTH_BOUNDS(0), 2);
357       SB_DATA    (so, fui(cso->depth.bounds_min));
358       SB_DATA    (so, fui(cso->depth.bounds_max));
359    }
360 
361    if (cso->stencil[0].enabled) {
362       SB_BEGIN_3D(so, STENCIL_ENABLE, 5);
363       SB_DATA    (so, 1);
364       SB_DATA    (so, nvgl_stencil_op(cso->stencil[0].fail_op));
365       SB_DATA    (so, nvgl_stencil_op(cso->stencil[0].zfail_op));
366       SB_DATA    (so, nvgl_stencil_op(cso->stencil[0].zpass_op));
367       SB_DATA    (so, nvgl_comparison_op(cso->stencil[0].func));
368       SB_BEGIN_3D(so, STENCIL_FRONT_FUNC_MASK, 2);
369       SB_DATA    (so, cso->stencil[0].valuemask);
370       SB_DATA    (so, cso->stencil[0].writemask);
371    } else {
372       SB_IMMED_3D(so, STENCIL_ENABLE, 0);
373    }
374 
375    if (cso->stencil[1].enabled) {
376       assert(cso->stencil[0].enabled);
377       SB_BEGIN_3D(so, STENCIL_TWO_SIDE_ENABLE, 5);
378       SB_DATA    (so, 1);
379       SB_DATA    (so, nvgl_stencil_op(cso->stencil[1].fail_op));
380       SB_DATA    (so, nvgl_stencil_op(cso->stencil[1].zfail_op));
381       SB_DATA    (so, nvgl_stencil_op(cso->stencil[1].zpass_op));
382       SB_DATA    (so, nvgl_comparison_op(cso->stencil[1].func));
383       SB_BEGIN_3D(so, STENCIL_BACK_MASK, 2);
384       SB_DATA    (so, cso->stencil[1].writemask);
385       SB_DATA    (so, cso->stencil[1].valuemask);
386    } else
387    if (cso->stencil[0].enabled) {
388       SB_IMMED_3D(so, STENCIL_TWO_SIDE_ENABLE, 0);
389    }
390 
391    SB_IMMED_3D(so, ALPHA_TEST_ENABLE, cso->alpha.enabled);
392    if (cso->alpha.enabled) {
393       SB_BEGIN_3D(so, ALPHA_TEST_REF, 2);
394       SB_DATA    (so, fui(cso->alpha.ref_value));
395       SB_DATA    (so, nvgl_comparison_op(cso->alpha.func));
396    }
397 
398    assert(so->size <= ARRAY_SIZE(so->state));
399    return (void *)so;
400 }
401 
402 static void
nvc0_zsa_state_bind(struct pipe_context * pipe,void * hwcso)403 nvc0_zsa_state_bind(struct pipe_context *pipe, void *hwcso)
404 {
405    struct nvc0_context *nvc0 = nvc0_context(pipe);
406 
407    nvc0->zsa = hwcso;
408    nvc0->dirty_3d |= NVC0_NEW_3D_ZSA;
409 }
410 
411 static void
nvc0_zsa_state_delete(struct pipe_context * pipe,void * hwcso)412 nvc0_zsa_state_delete(struct pipe_context *pipe, void *hwcso)
413 {
414    FREE(hwcso);
415 }
416 
417 /* ====================== SAMPLERS AND TEXTURES ================================
418  */
419 
420 #define NV50_TSC_WRAP_CASE(n) \
421     case PIPE_TEX_WRAP_##n: return NV50_TSC_WRAP_##n
422 
423 static void
nvc0_sampler_state_delete(struct pipe_context * pipe,void * hwcso)424 nvc0_sampler_state_delete(struct pipe_context *pipe, void *hwcso)
425 {
426    unsigned s, i;
427 
428    for (s = 0; s < 6; ++s)
429       for (i = 0; i < nvc0_context(pipe)->num_samplers[s]; ++i)
430          if (nvc0_context(pipe)->samplers[s][i] == hwcso)
431             nvc0_context(pipe)->samplers[s][i] = NULL;
432 
433    nvc0_screen_tsc_free(nvc0_context(pipe)->screen, nv50_tsc_entry(hwcso));
434 
435    FREE(hwcso);
436 }
437 
438 static inline void
nvc0_stage_sampler_states_bind(struct nvc0_context * nvc0,unsigned s,unsigned nr,void ** hwcso)439 nvc0_stage_sampler_states_bind(struct nvc0_context *nvc0,
440                                unsigned s,
441                                unsigned nr, void **hwcso)
442 {
443    unsigned i;
444 
445    for (i = 0; i < nr; ++i) {
446       struct nv50_tsc_entry *old = nvc0->samplers[s][i];
447 
448       if (hwcso[i] == old)
449          continue;
450       nvc0->samplers_dirty[s] |= 1 << i;
451 
452       nvc0->samplers[s][i] = nv50_tsc_entry(hwcso[i]);
453       if (old)
454          nvc0_screen_tsc_unlock(nvc0->screen, old);
455    }
456    for (; i < nvc0->num_samplers[s]; ++i) {
457       if (nvc0->samplers[s][i]) {
458          nvc0_screen_tsc_unlock(nvc0->screen, nvc0->samplers[s][i]);
459          nvc0->samplers[s][i] = NULL;
460       }
461    }
462 
463    nvc0->num_samplers[s] = nr;
464 }
465 
466 static void
nvc0_bind_sampler_states(struct pipe_context * pipe,enum pipe_shader_type shader,unsigned start,unsigned nr,void ** samplers)467 nvc0_bind_sampler_states(struct pipe_context *pipe,
468                          enum pipe_shader_type shader,
469                          unsigned start, unsigned nr, void **samplers)
470 {
471    const unsigned s = nvc0_shader_stage(shader);
472 
473    assert(start == 0);
474    nvc0_stage_sampler_states_bind(nvc0_context(pipe), s, nr, samplers);
475 
476    if (s == 5)
477       nvc0_context(pipe)->dirty_cp |= NVC0_NEW_CP_SAMPLERS;
478    else
479       nvc0_context(pipe)->dirty_3d |= NVC0_NEW_3D_SAMPLERS;
480 }
481 
482 
483 /* NOTE: only called when not referenced anywhere, won't be bound */
484 static void
nvc0_sampler_view_destroy(struct pipe_context * pipe,struct pipe_sampler_view * view)485 nvc0_sampler_view_destroy(struct pipe_context *pipe,
486                           struct pipe_sampler_view *view)
487 {
488    pipe_resource_reference(&view->texture, NULL);
489 
490    nvc0_screen_tic_free(nvc0_context(pipe)->screen, nv50_tic_entry(view));
491 
492    FREE(nv50_tic_entry(view));
493 }
494 
495 static inline void
nvc0_stage_set_sampler_views(struct nvc0_context * nvc0,int s,unsigned nr,struct pipe_sampler_view ** views)496 nvc0_stage_set_sampler_views(struct nvc0_context *nvc0, int s,
497                              unsigned nr,
498                              struct pipe_sampler_view **views)
499 {
500    unsigned i;
501 
502    for (i = 0; i < nr; ++i) {
503       struct nv50_tic_entry *old = nv50_tic_entry(nvc0->textures[s][i]);
504 
505       if (views[i] == nvc0->textures[s][i])
506          continue;
507       nvc0->textures_dirty[s] |= 1 << i;
508 
509       if (views[i] && views[i]->texture) {
510          struct pipe_resource *res = views[i]->texture;
511          if (res->target == PIPE_BUFFER &&
512              (res->flags & PIPE_RESOURCE_FLAG_MAP_COHERENT))
513             nvc0->textures_coherent[s] |= 1 << i;
514          else
515             nvc0->textures_coherent[s] &= ~(1 << i);
516       } else {
517          nvc0->textures_coherent[s] &= ~(1 << i);
518       }
519 
520       if (old) {
521          if (s == 5)
522             nouveau_bufctx_reset(nvc0->bufctx_cp, NVC0_BIND_CP_TEX(i));
523          else
524             nouveau_bufctx_reset(nvc0->bufctx_3d, NVC0_BIND_3D_TEX(s, i));
525          nvc0_screen_tic_unlock(nvc0->screen, old);
526       }
527 
528       pipe_sampler_view_reference(&nvc0->textures[s][i], views[i]);
529    }
530 
531    for (i = nr; i < nvc0->num_textures[s]; ++i) {
532       struct nv50_tic_entry *old = nv50_tic_entry(nvc0->textures[s][i]);
533       if (old) {
534          if (s == 5)
535             nouveau_bufctx_reset(nvc0->bufctx_cp, NVC0_BIND_CP_TEX(i));
536          else
537             nouveau_bufctx_reset(nvc0->bufctx_3d, NVC0_BIND_3D_TEX(s, i));
538          nvc0_screen_tic_unlock(nvc0->screen, old);
539          pipe_sampler_view_reference(&nvc0->textures[s][i], NULL);
540       }
541    }
542 
543    nvc0->num_textures[s] = nr;
544 }
545 
546 static void
nvc0_set_sampler_views(struct pipe_context * pipe,enum pipe_shader_type shader,unsigned start,unsigned nr,struct pipe_sampler_view ** views)547 nvc0_set_sampler_views(struct pipe_context *pipe, enum pipe_shader_type shader,
548                        unsigned start, unsigned nr,
549                        struct pipe_sampler_view **views)
550 {
551    const unsigned s = nvc0_shader_stage(shader);
552 
553    assert(start == 0);
554    nvc0_stage_set_sampler_views(nvc0_context(pipe), s, nr, views);
555 
556    if (s == 5)
557       nvc0_context(pipe)->dirty_cp |= NVC0_NEW_CP_TEXTURES;
558    else
559       nvc0_context(pipe)->dirty_3d |= NVC0_NEW_3D_TEXTURES;
560 }
561 
562 /* ============================= SHADERS =======================================
563  */
564 
565 static void *
nvc0_sp_state_create(struct pipe_context * pipe,const struct pipe_shader_state * cso,unsigned type)566 nvc0_sp_state_create(struct pipe_context *pipe,
567                      const struct pipe_shader_state *cso, unsigned type)
568 {
569    struct nvc0_program *prog;
570 
571    prog = CALLOC_STRUCT(nvc0_program);
572    if (!prog)
573       return NULL;
574 
575    prog->type = type;
576 
577    if (cso->tokens)
578       prog->pipe.tokens = tgsi_dup_tokens(cso->tokens);
579 
580    if (cso->stream_output.num_outputs)
581       prog->pipe.stream_output = cso->stream_output;
582 
583    prog->translated = nvc0_program_translate(
584       prog, nvc0_context(pipe)->screen->base.device->chipset,
585       &nouveau_context(pipe)->debug);
586 
587    return (void *)prog;
588 }
589 
590 static void
nvc0_sp_state_delete(struct pipe_context * pipe,void * hwcso)591 nvc0_sp_state_delete(struct pipe_context *pipe, void *hwcso)
592 {
593    struct nvc0_program *prog = (struct nvc0_program *)hwcso;
594 
595    nvc0_program_destroy(nvc0_context(pipe), prog);
596 
597    FREE((void *)prog->pipe.tokens);
598    FREE(prog);
599 }
600 
601 static void *
nvc0_vp_state_create(struct pipe_context * pipe,const struct pipe_shader_state * cso)602 nvc0_vp_state_create(struct pipe_context *pipe,
603                      const struct pipe_shader_state *cso)
604 {
605    return nvc0_sp_state_create(pipe, cso, PIPE_SHADER_VERTEX);
606 }
607 
608 static void
nvc0_vp_state_bind(struct pipe_context * pipe,void * hwcso)609 nvc0_vp_state_bind(struct pipe_context *pipe, void *hwcso)
610 {
611     struct nvc0_context *nvc0 = nvc0_context(pipe);
612 
613     nvc0->vertprog = hwcso;
614     nvc0->dirty_3d |= NVC0_NEW_3D_VERTPROG;
615 }
616 
617 static void *
nvc0_fp_state_create(struct pipe_context * pipe,const struct pipe_shader_state * cso)618 nvc0_fp_state_create(struct pipe_context *pipe,
619                      const struct pipe_shader_state *cso)
620 {
621    return nvc0_sp_state_create(pipe, cso, PIPE_SHADER_FRAGMENT);
622 }
623 
624 static void
nvc0_fp_state_bind(struct pipe_context * pipe,void * hwcso)625 nvc0_fp_state_bind(struct pipe_context *pipe, void *hwcso)
626 {
627     struct nvc0_context *nvc0 = nvc0_context(pipe);
628 
629     nvc0->fragprog = hwcso;
630     nvc0->dirty_3d |= NVC0_NEW_3D_FRAGPROG;
631 }
632 
633 static void *
nvc0_gp_state_create(struct pipe_context * pipe,const struct pipe_shader_state * cso)634 nvc0_gp_state_create(struct pipe_context *pipe,
635                      const struct pipe_shader_state *cso)
636 {
637    return nvc0_sp_state_create(pipe, cso, PIPE_SHADER_GEOMETRY);
638 }
639 
640 static void
nvc0_gp_state_bind(struct pipe_context * pipe,void * hwcso)641 nvc0_gp_state_bind(struct pipe_context *pipe, void *hwcso)
642 {
643     struct nvc0_context *nvc0 = nvc0_context(pipe);
644 
645     nvc0->gmtyprog = hwcso;
646     nvc0->dirty_3d |= NVC0_NEW_3D_GMTYPROG;
647 }
648 
649 static void *
nvc0_tcp_state_create(struct pipe_context * pipe,const struct pipe_shader_state * cso)650 nvc0_tcp_state_create(struct pipe_context *pipe,
651                      const struct pipe_shader_state *cso)
652 {
653    return nvc0_sp_state_create(pipe, cso, PIPE_SHADER_TESS_CTRL);
654 }
655 
656 static void
nvc0_tcp_state_bind(struct pipe_context * pipe,void * hwcso)657 nvc0_tcp_state_bind(struct pipe_context *pipe, void *hwcso)
658 {
659     struct nvc0_context *nvc0 = nvc0_context(pipe);
660 
661     nvc0->tctlprog = hwcso;
662     nvc0->dirty_3d |= NVC0_NEW_3D_TCTLPROG;
663 }
664 
665 static void *
nvc0_tep_state_create(struct pipe_context * pipe,const struct pipe_shader_state * cso)666 nvc0_tep_state_create(struct pipe_context *pipe,
667                      const struct pipe_shader_state *cso)
668 {
669    return nvc0_sp_state_create(pipe, cso, PIPE_SHADER_TESS_EVAL);
670 }
671 
672 static void
nvc0_tep_state_bind(struct pipe_context * pipe,void * hwcso)673 nvc0_tep_state_bind(struct pipe_context *pipe, void *hwcso)
674 {
675     struct nvc0_context *nvc0 = nvc0_context(pipe);
676 
677     nvc0->tevlprog = hwcso;
678     nvc0->dirty_3d |= NVC0_NEW_3D_TEVLPROG;
679 }
680 
681 static void *
nvc0_cp_state_create(struct pipe_context * pipe,const struct pipe_compute_state * cso)682 nvc0_cp_state_create(struct pipe_context *pipe,
683                      const struct pipe_compute_state *cso)
684 {
685    struct nvc0_program *prog;
686 
687    prog = CALLOC_STRUCT(nvc0_program);
688    if (!prog)
689       return NULL;
690    prog->type = PIPE_SHADER_COMPUTE;
691 
692    prog->cp.smem_size = cso->req_local_mem;
693    prog->cp.lmem_size = cso->req_private_mem;
694    prog->parm_size = cso->req_input_mem;
695 
696    prog->pipe.tokens = tgsi_dup_tokens((const struct tgsi_token *)cso->prog);
697 
698    prog->translated = nvc0_program_translate(
699       prog, nvc0_context(pipe)->screen->base.device->chipset,
700       &nouveau_context(pipe)->debug);
701 
702    return (void *)prog;
703 }
704 
705 static void
nvc0_cp_state_bind(struct pipe_context * pipe,void * hwcso)706 nvc0_cp_state_bind(struct pipe_context *pipe, void *hwcso)
707 {
708     struct nvc0_context *nvc0 = nvc0_context(pipe);
709 
710     nvc0->compprog = hwcso;
711     nvc0->dirty_cp |= NVC0_NEW_CP_PROGRAM;
712 }
713 
714 static void
nvc0_set_constant_buffer(struct pipe_context * pipe,uint shader,uint index,const struct pipe_constant_buffer * cb)715 nvc0_set_constant_buffer(struct pipe_context *pipe, uint shader, uint index,
716                          const struct pipe_constant_buffer *cb)
717 {
718    struct nvc0_context *nvc0 = nvc0_context(pipe);
719    struct pipe_resource *res = cb ? cb->buffer : NULL;
720    const unsigned s = nvc0_shader_stage(shader);
721    const unsigned i = index;
722 
723    if (unlikely(shader == PIPE_SHADER_COMPUTE)) {
724       if (nvc0->constbuf[s][i].user)
725          nvc0->constbuf[s][i].u.buf = NULL;
726       else
727       if (nvc0->constbuf[s][i].u.buf)
728          nouveau_bufctx_reset(nvc0->bufctx_cp, NVC0_BIND_CP_CB(i));
729 
730       nvc0->dirty_cp |= NVC0_NEW_CP_CONSTBUF;
731    } else {
732       if (nvc0->constbuf[s][i].user)
733          nvc0->constbuf[s][i].u.buf = NULL;
734       else
735       if (nvc0->constbuf[s][i].u.buf)
736          nouveau_bufctx_reset(nvc0->bufctx_3d, NVC0_BIND_3D_CB(s, i));
737 
738       nvc0->dirty_3d |= NVC0_NEW_3D_CONSTBUF;
739    }
740    nvc0->constbuf_dirty[s] |= 1 << i;
741 
742    if (nvc0->constbuf[s][i].u.buf)
743       nv04_resource(nvc0->constbuf[s][i].u.buf)->cb_bindings[s] &= ~(1 << i);
744    pipe_resource_reference(&nvc0->constbuf[s][i].u.buf, res);
745 
746    nvc0->constbuf[s][i].user = (cb && cb->user_buffer) ? true : false;
747    if (nvc0->constbuf[s][i].user) {
748       nvc0->constbuf[s][i].u.data = cb->user_buffer;
749       nvc0->constbuf[s][i].size = MIN2(cb->buffer_size, 0x10000);
750       nvc0->constbuf_valid[s] |= 1 << i;
751       nvc0->constbuf_coherent[s] &= ~(1 << i);
752    } else
753    if (cb) {
754       nvc0->constbuf[s][i].offset = cb->buffer_offset;
755       nvc0->constbuf[s][i].size = MIN2(align(cb->buffer_size, 0x100), 0x10000);
756       nvc0->constbuf_valid[s] |= 1 << i;
757       if (res && res->flags & PIPE_RESOURCE_FLAG_MAP_COHERENT)
758          nvc0->constbuf_coherent[s] |= 1 << i;
759       else
760          nvc0->constbuf_coherent[s] &= ~(1 << i);
761    }
762    else {
763       nvc0->constbuf_valid[s] &= ~(1 << i);
764       nvc0->constbuf_coherent[s] &= ~(1 << i);
765    }
766 }
767 
768 /* =============================================================================
769  */
770 
771 static void
nvc0_set_blend_color(struct pipe_context * pipe,const struct pipe_blend_color * bcol)772 nvc0_set_blend_color(struct pipe_context *pipe,
773                      const struct pipe_blend_color *bcol)
774 {
775     struct nvc0_context *nvc0 = nvc0_context(pipe);
776 
777     nvc0->blend_colour = *bcol;
778     nvc0->dirty_3d |= NVC0_NEW_3D_BLEND_COLOUR;
779 }
780 
781 static void
nvc0_set_stencil_ref(struct pipe_context * pipe,const struct pipe_stencil_ref * sr)782 nvc0_set_stencil_ref(struct pipe_context *pipe,
783                      const struct pipe_stencil_ref *sr)
784 {
785     struct nvc0_context *nvc0 = nvc0_context(pipe);
786 
787     nvc0->stencil_ref = *sr;
788     nvc0->dirty_3d |= NVC0_NEW_3D_STENCIL_REF;
789 }
790 
791 static void
nvc0_set_clip_state(struct pipe_context * pipe,const struct pipe_clip_state * clip)792 nvc0_set_clip_state(struct pipe_context *pipe,
793                     const struct pipe_clip_state *clip)
794 {
795     struct nvc0_context *nvc0 = nvc0_context(pipe);
796 
797     memcpy(nvc0->clip.ucp, clip->ucp, sizeof(clip->ucp));
798 
799     nvc0->dirty_3d |= NVC0_NEW_3D_CLIP;
800 }
801 
802 static void
nvc0_set_sample_mask(struct pipe_context * pipe,unsigned sample_mask)803 nvc0_set_sample_mask(struct pipe_context *pipe, unsigned sample_mask)
804 {
805     struct nvc0_context *nvc0 = nvc0_context(pipe);
806 
807     nvc0->sample_mask = sample_mask;
808     nvc0->dirty_3d |= NVC0_NEW_3D_SAMPLE_MASK;
809 }
810 
811 static void
nvc0_set_min_samples(struct pipe_context * pipe,unsigned min_samples)812 nvc0_set_min_samples(struct pipe_context *pipe, unsigned min_samples)
813 {
814    struct nvc0_context *nvc0 = nvc0_context(pipe);
815 
816    if (nvc0->min_samples != min_samples) {
817       nvc0->min_samples = min_samples;
818       nvc0->dirty_3d |= NVC0_NEW_3D_MIN_SAMPLES;
819    }
820 }
821 
822 static void
nvc0_set_framebuffer_state(struct pipe_context * pipe,const struct pipe_framebuffer_state * fb)823 nvc0_set_framebuffer_state(struct pipe_context *pipe,
824                            const struct pipe_framebuffer_state *fb)
825 {
826     struct nvc0_context *nvc0 = nvc0_context(pipe);
827 
828     nouveau_bufctx_reset(nvc0->bufctx_3d, NVC0_BIND_3D_FB);
829 
830     util_copy_framebuffer_state(&nvc0->framebuffer, fb);
831 
832     nvc0->dirty_3d |= NVC0_NEW_3D_FRAMEBUFFER;
833 }
834 
835 static void
nvc0_set_polygon_stipple(struct pipe_context * pipe,const struct pipe_poly_stipple * stipple)836 nvc0_set_polygon_stipple(struct pipe_context *pipe,
837                          const struct pipe_poly_stipple *stipple)
838 {
839     struct nvc0_context *nvc0 = nvc0_context(pipe);
840 
841     nvc0->stipple = *stipple;
842     nvc0->dirty_3d |= NVC0_NEW_3D_STIPPLE;
843 }
844 
845 static void
nvc0_set_scissor_states(struct pipe_context * pipe,unsigned start_slot,unsigned num_scissors,const struct pipe_scissor_state * scissor)846 nvc0_set_scissor_states(struct pipe_context *pipe,
847                         unsigned start_slot,
848                         unsigned num_scissors,
849                         const struct pipe_scissor_state *scissor)
850 {
851    struct nvc0_context *nvc0 = nvc0_context(pipe);
852    int i;
853 
854    assert(start_slot + num_scissors <= NVC0_MAX_VIEWPORTS);
855    for (i = 0; i < num_scissors; i++) {
856       if (!memcmp(&nvc0->scissors[start_slot + i], &scissor[i], sizeof(*scissor)))
857          continue;
858       nvc0->scissors[start_slot + i] = scissor[i];
859       nvc0->scissors_dirty |= 1 << (start_slot + i);
860       nvc0->dirty_3d |= NVC0_NEW_3D_SCISSOR;
861    }
862 }
863 
864 static void
nvc0_set_viewport_states(struct pipe_context * pipe,unsigned start_slot,unsigned num_viewports,const struct pipe_viewport_state * vpt)865 nvc0_set_viewport_states(struct pipe_context *pipe,
866                          unsigned start_slot,
867                          unsigned num_viewports,
868                          const struct pipe_viewport_state *vpt)
869 {
870    struct nvc0_context *nvc0 = nvc0_context(pipe);
871    int i;
872 
873    assert(start_slot + num_viewports <= NVC0_MAX_VIEWPORTS);
874    for (i = 0; i < num_viewports; i++) {
875       if (!memcmp(&nvc0->viewports[start_slot + i], &vpt[i], sizeof(*vpt)))
876          continue;
877       nvc0->viewports[start_slot + i] = vpt[i];
878       nvc0->viewports_dirty |= 1 << (start_slot + i);
879       nvc0->dirty_3d |= NVC0_NEW_3D_VIEWPORT;
880    }
881 
882 }
883 
884 static void
nvc0_set_window_rectangles(struct pipe_context * pipe,boolean include,unsigned num_rectangles,const struct pipe_scissor_state * rectangles)885 nvc0_set_window_rectangles(struct pipe_context *pipe,
886                            boolean include,
887                            unsigned num_rectangles,
888                            const struct pipe_scissor_state *rectangles)
889 {
890    struct nvc0_context *nvc0 = nvc0_context(pipe);
891 
892    nvc0->window_rect.inclusive = include;
893    nvc0->window_rect.rects = MIN2(num_rectangles, NVC0_MAX_WINDOW_RECTANGLES);
894    memcpy(nvc0->window_rect.rect, rectangles,
895           sizeof(struct pipe_scissor_state) * nvc0->window_rect.rects);
896 
897    nvc0->dirty_3d |= NVC0_NEW_3D_WINDOW_RECTS;
898 }
899 
900 static void
nvc0_set_tess_state(struct pipe_context * pipe,const float default_tess_outer[4],const float default_tess_inner[2])901 nvc0_set_tess_state(struct pipe_context *pipe,
902                     const float default_tess_outer[4],
903                     const float default_tess_inner[2])
904 {
905    struct nvc0_context *nvc0 = nvc0_context(pipe);
906 
907    memcpy(nvc0->default_tess_outer, default_tess_outer, 4 * sizeof(float));
908    memcpy(nvc0->default_tess_inner, default_tess_inner, 2 * sizeof(float));
909    nvc0->dirty_3d |= NVC0_NEW_3D_TESSFACTOR;
910 }
911 
912 static void
nvc0_set_vertex_buffers(struct pipe_context * pipe,unsigned start_slot,unsigned count,const struct pipe_vertex_buffer * vb)913 nvc0_set_vertex_buffers(struct pipe_context *pipe,
914                         unsigned start_slot, unsigned count,
915                         const struct pipe_vertex_buffer *vb)
916 {
917     struct nvc0_context *nvc0 = nvc0_context(pipe);
918     unsigned i;
919 
920     nouveau_bufctx_reset(nvc0->bufctx_3d, NVC0_BIND_3D_VTX);
921     nvc0->dirty_3d |= NVC0_NEW_3D_ARRAYS;
922 
923     util_set_vertex_buffers_count(nvc0->vtxbuf, &nvc0->num_vtxbufs, vb,
924                                   start_slot, count);
925 
926     if (!vb) {
927        nvc0->vbo_user &= ~(((1ull << count) - 1) << start_slot);
928        nvc0->constant_vbos &= ~(((1ull << count) - 1) << start_slot);
929        nvc0->vtxbufs_coherent &= ~(((1ull << count) - 1) << start_slot);
930        return;
931     }
932 
933     for (i = 0; i < count; ++i) {
934        unsigned dst_index = start_slot + i;
935 
936        if (vb[i].user_buffer) {
937           nvc0->vbo_user |= 1 << dst_index;
938           if (!vb[i].stride && nvc0->screen->eng3d->oclass < GM107_3D_CLASS)
939              nvc0->constant_vbos |= 1 << dst_index;
940           else
941              nvc0->constant_vbos &= ~(1 << dst_index);
942           nvc0->vtxbufs_coherent &= ~(1 << dst_index);
943        } else {
944           nvc0->vbo_user &= ~(1 << dst_index);
945           nvc0->constant_vbos &= ~(1 << dst_index);
946 
947           if (vb[i].buffer &&
948               vb[i].buffer->flags & PIPE_RESOURCE_FLAG_MAP_COHERENT)
949              nvc0->vtxbufs_coherent |= (1 << dst_index);
950           else
951              nvc0->vtxbufs_coherent &= ~(1 << dst_index);
952        }
953     }
954 }
955 
956 static void
nvc0_set_index_buffer(struct pipe_context * pipe,const struct pipe_index_buffer * ib)957 nvc0_set_index_buffer(struct pipe_context *pipe,
958                       const struct pipe_index_buffer *ib)
959 {
960     struct nvc0_context *nvc0 = nvc0_context(pipe);
961 
962     if (nvc0->idxbuf.buffer)
963        nouveau_bufctx_reset(nvc0->bufctx_3d, NVC0_BIND_3D_IDX);
964 
965     if (ib) {
966        pipe_resource_reference(&nvc0->idxbuf.buffer, ib->buffer);
967        nvc0->idxbuf.index_size = ib->index_size;
968        if (ib->buffer) {
969           nvc0->idxbuf.offset = ib->offset;
970           nvc0->dirty_3d |= NVC0_NEW_3D_IDXBUF;
971        } else {
972           nvc0->idxbuf.user_buffer = ib->user_buffer;
973           nvc0->dirty_3d &= ~NVC0_NEW_3D_IDXBUF;
974        }
975     } else {
976        nvc0->dirty_3d &= ~NVC0_NEW_3D_IDXBUF;
977        pipe_resource_reference(&nvc0->idxbuf.buffer, NULL);
978     }
979 }
980 
981 static void
nvc0_vertex_state_bind(struct pipe_context * pipe,void * hwcso)982 nvc0_vertex_state_bind(struct pipe_context *pipe, void *hwcso)
983 {
984     struct nvc0_context *nvc0 = nvc0_context(pipe);
985 
986     nvc0->vertex = hwcso;
987     nvc0->dirty_3d |= NVC0_NEW_3D_VERTEX;
988 }
989 
990 static struct pipe_stream_output_target *
nvc0_so_target_create(struct pipe_context * pipe,struct pipe_resource * res,unsigned offset,unsigned size)991 nvc0_so_target_create(struct pipe_context *pipe,
992                       struct pipe_resource *res,
993                       unsigned offset, unsigned size)
994 {
995    struct nv04_resource *buf = (struct nv04_resource *)res;
996    struct nvc0_so_target *targ = MALLOC_STRUCT(nvc0_so_target);
997    if (!targ)
998       return NULL;
999 
1000    targ->pq = pipe->create_query(pipe, NVC0_HW_QUERY_TFB_BUFFER_OFFSET, 0);
1001    if (!targ->pq) {
1002       FREE(targ);
1003       return NULL;
1004    }
1005    targ->clean = true;
1006 
1007    targ->pipe.buffer_size = size;
1008    targ->pipe.buffer_offset = offset;
1009    targ->pipe.context = pipe;
1010    targ->pipe.buffer = NULL;
1011    pipe_resource_reference(&targ->pipe.buffer, res);
1012    pipe_reference_init(&targ->pipe.reference, 1);
1013 
1014    assert(buf->base.target == PIPE_BUFFER);
1015    util_range_add(&buf->valid_buffer_range, offset, offset + size);
1016 
1017    return &targ->pipe;
1018 }
1019 
1020 static void
nvc0_so_target_save_offset(struct pipe_context * pipe,struct pipe_stream_output_target * ptarg,unsigned index,bool * serialize)1021 nvc0_so_target_save_offset(struct pipe_context *pipe,
1022                            struct pipe_stream_output_target *ptarg,
1023                            unsigned index, bool *serialize)
1024 {
1025    struct nvc0_so_target *targ = nvc0_so_target(ptarg);
1026 
1027    if (*serialize) {
1028       *serialize = false;
1029       PUSH_SPACE(nvc0_context(pipe)->base.pushbuf, 1);
1030       IMMED_NVC0(nvc0_context(pipe)->base.pushbuf, NVC0_3D(SERIALIZE), 0);
1031 
1032       NOUVEAU_DRV_STAT(nouveau_screen(pipe->screen), gpu_serialize_count, 1);
1033    }
1034 
1035    nvc0_query(targ->pq)->index = index;
1036    pipe->end_query(pipe, targ->pq);
1037 }
1038 
1039 static void
nvc0_so_target_destroy(struct pipe_context * pipe,struct pipe_stream_output_target * ptarg)1040 nvc0_so_target_destroy(struct pipe_context *pipe,
1041                        struct pipe_stream_output_target *ptarg)
1042 {
1043    struct nvc0_so_target *targ = nvc0_so_target(ptarg);
1044    pipe->destroy_query(pipe, targ->pq);
1045    pipe_resource_reference(&targ->pipe.buffer, NULL);
1046    FREE(targ);
1047 }
1048 
1049 static void
nvc0_set_transform_feedback_targets(struct pipe_context * pipe,unsigned num_targets,struct pipe_stream_output_target ** targets,const unsigned * offsets)1050 nvc0_set_transform_feedback_targets(struct pipe_context *pipe,
1051                                     unsigned num_targets,
1052                                     struct pipe_stream_output_target **targets,
1053                                     const unsigned *offsets)
1054 {
1055    struct nvc0_context *nvc0 = nvc0_context(pipe);
1056    unsigned i;
1057    bool serialize = true;
1058 
1059    assert(num_targets <= 4);
1060 
1061    for (i = 0; i < num_targets; ++i) {
1062       const bool changed = nvc0->tfbbuf[i] != targets[i];
1063       const bool append = (offsets[i] == ((unsigned)-1));
1064       if (!changed && append)
1065          continue;
1066       nvc0->tfbbuf_dirty |= 1 << i;
1067 
1068       if (nvc0->tfbbuf[i] && changed)
1069          nvc0_so_target_save_offset(pipe, nvc0->tfbbuf[i], i, &serialize);
1070 
1071       if (targets[i] && !append)
1072          nvc0_so_target(targets[i])->clean = true;
1073 
1074       pipe_so_target_reference(&nvc0->tfbbuf[i], targets[i]);
1075    }
1076    for (; i < nvc0->num_tfbbufs; ++i) {
1077       if (nvc0->tfbbuf[i]) {
1078          nvc0->tfbbuf_dirty |= 1 << i;
1079          nvc0_so_target_save_offset(pipe, nvc0->tfbbuf[i], i, &serialize);
1080          pipe_so_target_reference(&nvc0->tfbbuf[i], NULL);
1081       }
1082    }
1083    nvc0->num_tfbbufs = num_targets;
1084 
1085    if (nvc0->tfbbuf_dirty) {
1086       nouveau_bufctx_reset(nvc0->bufctx_3d, NVC0_BIND_3D_TFB);
1087       nvc0->dirty_3d |= NVC0_NEW_3D_TFB_TARGETS;
1088    }
1089 }
1090 
1091 static void
nvc0_bind_surfaces_range(struct nvc0_context * nvc0,const unsigned t,unsigned start,unsigned nr,struct pipe_surface ** psurfaces)1092 nvc0_bind_surfaces_range(struct nvc0_context *nvc0, const unsigned t,
1093                          unsigned start, unsigned nr,
1094                          struct pipe_surface **psurfaces)
1095 {
1096    const unsigned end = start + nr;
1097    const unsigned mask = ((1 << nr) - 1) << start;
1098    unsigned i;
1099 
1100    if (psurfaces) {
1101       for (i = start; i < end; ++i) {
1102          const unsigned p = i - start;
1103          if (psurfaces[p])
1104             nvc0->surfaces_valid[t] |= (1 << i);
1105          else
1106             nvc0->surfaces_valid[t] &= ~(1 << i);
1107          pipe_surface_reference(&nvc0->surfaces[t][i], psurfaces[p]);
1108       }
1109    } else {
1110       for (i = start; i < end; ++i)
1111          pipe_surface_reference(&nvc0->surfaces[t][i], NULL);
1112       nvc0->surfaces_valid[t] &= ~mask;
1113    }
1114    nvc0->surfaces_dirty[t] |= mask;
1115 
1116    if (t == 0)
1117       nouveau_bufctx_reset(nvc0->bufctx_3d, NVC0_BIND_3D_SUF);
1118    else
1119       nouveau_bufctx_reset(nvc0->bufctx_cp, NVC0_BIND_CP_SUF);
1120 }
1121 
1122 static void
nvc0_set_compute_resources(struct pipe_context * pipe,unsigned start,unsigned nr,struct pipe_surface ** resources)1123 nvc0_set_compute_resources(struct pipe_context *pipe,
1124                            unsigned start, unsigned nr,
1125                            struct pipe_surface **resources)
1126 {
1127    nvc0_bind_surfaces_range(nvc0_context(pipe), 1, start, nr, resources);
1128 
1129    nvc0_context(pipe)->dirty_cp |= NVC0_NEW_CP_SURFACES;
1130 }
1131 
1132 static bool
nvc0_bind_images_range(struct nvc0_context * nvc0,const unsigned s,unsigned start,unsigned nr,const struct pipe_image_view * pimages)1133 nvc0_bind_images_range(struct nvc0_context *nvc0, const unsigned s,
1134                        unsigned start, unsigned nr,
1135                        const struct pipe_image_view *pimages)
1136 {
1137    const unsigned end = start + nr;
1138    unsigned mask = 0;
1139    unsigned i;
1140 
1141    assert(s < 6);
1142 
1143    if (pimages) {
1144       for (i = start; i < end; ++i) {
1145          struct pipe_image_view *img = &nvc0->images[s][i];
1146          const unsigned p = i - start;
1147 
1148          if (img->resource == pimages[p].resource &&
1149              img->format == pimages[p].format &&
1150              img->access == pimages[p].access) {
1151             if (img->resource == NULL)
1152                continue;
1153             if (img->resource->target == PIPE_BUFFER &&
1154                 img->u.buf.offset == pimages[p].u.buf.offset &&
1155                 img->u.buf.size == pimages[p].u.buf.size)
1156                continue;
1157             if (img->resource->target != PIPE_BUFFER &&
1158                 img->u.tex.first_layer == pimages[p].u.tex.first_layer &&
1159                 img->u.tex.last_layer == pimages[p].u.tex.last_layer &&
1160                 img->u.tex.level == pimages[p].u.tex.level)
1161                continue;
1162          }
1163 
1164          mask |= (1 << i);
1165          if (pimages[p].resource)
1166             nvc0->images_valid[s] |= (1 << i);
1167          else
1168             nvc0->images_valid[s] &= ~(1 << i);
1169 
1170          img->format = pimages[p].format;
1171          img->access = pimages[p].access;
1172          if (pimages[p].resource && pimages[p].resource->target == PIPE_BUFFER)
1173             img->u.buf = pimages[p].u.buf;
1174          else
1175             img->u.tex = pimages[p].u.tex;
1176 
1177          pipe_resource_reference(
1178                &img->resource, pimages[p].resource);
1179 
1180          if (nvc0->screen->base.class_3d >= GM107_3D_CLASS) {
1181             if (nvc0->images_tic[s][i]) {
1182                struct nv50_tic_entry *old =
1183                   nv50_tic_entry(nvc0->images_tic[s][i]);
1184                nvc0_screen_tic_unlock(nvc0->screen, old);
1185                pipe_sampler_view_reference(&nvc0->images_tic[s][i], NULL);
1186             }
1187 
1188             nvc0->images_tic[s][i] =
1189                gm107_create_texture_view_from_image(&nvc0->base.pipe,
1190                                                     &pimages[p]);
1191          }
1192       }
1193       if (!mask)
1194          return false;
1195    } else {
1196       mask = ((1 << nr) - 1) << start;
1197       if (!(nvc0->images_valid[s] & mask))
1198          return false;
1199       for (i = start; i < end; ++i) {
1200          pipe_resource_reference(&nvc0->images[s][i].resource, NULL);
1201          if (nvc0->screen->base.class_3d >= GM107_3D_CLASS) {
1202             struct nv50_tic_entry *old = nv50_tic_entry(nvc0->images_tic[s][i]);
1203             if (old) {
1204                nvc0_screen_tic_unlock(nvc0->screen, old);
1205                pipe_sampler_view_reference(&nvc0->images_tic[s][i], NULL);
1206             }
1207          }
1208       }
1209       nvc0->images_valid[s] &= ~mask;
1210    }
1211    nvc0->images_dirty[s] |= mask;
1212 
1213    if (s == 5)
1214       nouveau_bufctx_reset(nvc0->bufctx_cp, NVC0_BIND_CP_SUF);
1215    else
1216       nouveau_bufctx_reset(nvc0->bufctx_3d, NVC0_BIND_3D_SUF);
1217 
1218    return true;
1219 }
1220 
1221 static void
nvc0_set_shader_images(struct pipe_context * pipe,enum pipe_shader_type shader,unsigned start,unsigned nr,const struct pipe_image_view * images)1222 nvc0_set_shader_images(struct pipe_context *pipe,
1223                        enum pipe_shader_type shader,
1224                        unsigned start, unsigned nr,
1225                        const struct pipe_image_view *images)
1226 {
1227    const unsigned s = nvc0_shader_stage(shader);
1228    if (!nvc0_bind_images_range(nvc0_context(pipe), s, start, nr, images))
1229       return;
1230 
1231    if (s == 5)
1232       nvc0_context(pipe)->dirty_cp |= NVC0_NEW_CP_SURFACES;
1233    else
1234       nvc0_context(pipe)->dirty_3d |= NVC0_NEW_3D_SURFACES;
1235 }
1236 
1237 static bool
nvc0_bind_buffers_range(struct nvc0_context * nvc0,const unsigned t,unsigned start,unsigned nr,const struct pipe_shader_buffer * pbuffers)1238 nvc0_bind_buffers_range(struct nvc0_context *nvc0, const unsigned t,
1239                         unsigned start, unsigned nr,
1240                         const struct pipe_shader_buffer *pbuffers)
1241 {
1242    const unsigned end = start + nr;
1243    unsigned mask = 0;
1244    unsigned i;
1245 
1246    assert(t < 6);
1247 
1248    if (pbuffers) {
1249       for (i = start; i < end; ++i) {
1250          struct pipe_shader_buffer *buf = &nvc0->buffers[t][i];
1251          const unsigned p = i - start;
1252          if (buf->buffer == pbuffers[p].buffer &&
1253              buf->buffer_offset == pbuffers[p].buffer_offset &&
1254              buf->buffer_size == pbuffers[p].buffer_size)
1255             continue;
1256 
1257          mask |= (1 << i);
1258          if (pbuffers[p].buffer)
1259             nvc0->buffers_valid[t] |= (1 << i);
1260          else
1261             nvc0->buffers_valid[t] &= ~(1 << i);
1262          buf->buffer_offset = pbuffers[p].buffer_offset;
1263          buf->buffer_size = pbuffers[p].buffer_size;
1264          pipe_resource_reference(&buf->buffer, pbuffers[p].buffer);
1265       }
1266       if (!mask)
1267          return false;
1268    } else {
1269       mask = ((1 << nr) - 1) << start;
1270       if (!(nvc0->buffers_valid[t] & mask))
1271          return false;
1272       for (i = start; i < end; ++i)
1273          pipe_resource_reference(&nvc0->buffers[t][i].buffer, NULL);
1274       nvc0->buffers_valid[t] &= ~mask;
1275    }
1276    nvc0->buffers_dirty[t] |= mask;
1277 
1278    if (t == 5)
1279       nouveau_bufctx_reset(nvc0->bufctx_cp, NVC0_BIND_CP_BUF);
1280    else
1281       nouveau_bufctx_reset(nvc0->bufctx_3d, NVC0_BIND_3D_BUF);
1282 
1283    return true;
1284 }
1285 
1286 static void
nvc0_set_shader_buffers(struct pipe_context * pipe,enum pipe_shader_type shader,unsigned start,unsigned nr,const struct pipe_shader_buffer * buffers)1287 nvc0_set_shader_buffers(struct pipe_context *pipe,
1288                         enum pipe_shader_type shader,
1289                         unsigned start, unsigned nr,
1290                         const struct pipe_shader_buffer *buffers)
1291 {
1292    const unsigned s = nvc0_shader_stage(shader);
1293    if (!nvc0_bind_buffers_range(nvc0_context(pipe), s, start, nr, buffers))
1294       return;
1295 
1296    if (s == 5)
1297       nvc0_context(pipe)->dirty_cp |= NVC0_NEW_CP_BUFFERS;
1298    else
1299       nvc0_context(pipe)->dirty_3d |= NVC0_NEW_3D_BUFFERS;
1300 }
1301 
1302 static inline void
nvc0_set_global_handle(uint32_t * phandle,struct pipe_resource * res)1303 nvc0_set_global_handle(uint32_t *phandle, struct pipe_resource *res)
1304 {
1305    struct nv04_resource *buf = nv04_resource(res);
1306    if (buf) {
1307       uint64_t limit = (buf->address + buf->base.width0) - 1;
1308       if (limit < (1ULL << 32)) {
1309          *phandle = (uint32_t)buf->address;
1310       } else {
1311          NOUVEAU_ERR("Cannot map into TGSI_RESOURCE_GLOBAL: "
1312                      "resource not contained within 32-bit address space !\n");
1313          *phandle = 0;
1314       }
1315    } else {
1316       *phandle = 0;
1317    }
1318 }
1319 
1320 static void
nvc0_set_global_bindings(struct pipe_context * pipe,unsigned start,unsigned nr,struct pipe_resource ** resources,uint32_t ** handles)1321 nvc0_set_global_bindings(struct pipe_context *pipe,
1322                          unsigned start, unsigned nr,
1323                          struct pipe_resource **resources,
1324                          uint32_t **handles)
1325 {
1326    struct nvc0_context *nvc0 = nvc0_context(pipe);
1327    struct pipe_resource **ptr;
1328    unsigned i;
1329    const unsigned end = start + nr;
1330 
1331    if (nvc0->global_residents.size <= (end * sizeof(struct pipe_resource *))) {
1332       const unsigned old_size = nvc0->global_residents.size;
1333       const unsigned req_size = end * sizeof(struct pipe_resource *);
1334       util_dynarray_resize(&nvc0->global_residents, req_size);
1335       memset((uint8_t *)nvc0->global_residents.data + old_size, 0,
1336              req_size - old_size);
1337    }
1338 
1339    if (resources) {
1340       ptr = util_dynarray_element(
1341          &nvc0->global_residents, struct pipe_resource *, start);
1342       for (i = 0; i < nr; ++i) {
1343          pipe_resource_reference(&ptr[i], resources[i]);
1344          nvc0_set_global_handle(handles[i], resources[i]);
1345       }
1346    } else {
1347       ptr = util_dynarray_element(
1348          &nvc0->global_residents, struct pipe_resource *, start);
1349       for (i = 0; i < nr; ++i)
1350          pipe_resource_reference(&ptr[i], NULL);
1351    }
1352 
1353    nouveau_bufctx_reset(nvc0->bufctx_cp, NVC0_BIND_CP_GLOBAL);
1354 
1355    nvc0->dirty_cp |= NVC0_NEW_CP_GLOBALS;
1356 }
1357 
1358 void
nvc0_init_state_functions(struct nvc0_context * nvc0)1359 nvc0_init_state_functions(struct nvc0_context *nvc0)
1360 {
1361    struct pipe_context *pipe = &nvc0->base.pipe;
1362 
1363    pipe->create_blend_state = nvc0_blend_state_create;
1364    pipe->bind_blend_state = nvc0_blend_state_bind;
1365    pipe->delete_blend_state = nvc0_blend_state_delete;
1366 
1367    pipe->create_rasterizer_state = nvc0_rasterizer_state_create;
1368    pipe->bind_rasterizer_state = nvc0_rasterizer_state_bind;
1369    pipe->delete_rasterizer_state = nvc0_rasterizer_state_delete;
1370 
1371    pipe->create_depth_stencil_alpha_state = nvc0_zsa_state_create;
1372    pipe->bind_depth_stencil_alpha_state = nvc0_zsa_state_bind;
1373    pipe->delete_depth_stencil_alpha_state = nvc0_zsa_state_delete;
1374 
1375    pipe->create_sampler_state = nv50_sampler_state_create;
1376    pipe->delete_sampler_state = nvc0_sampler_state_delete;
1377    pipe->bind_sampler_states = nvc0_bind_sampler_states;
1378 
1379    pipe->create_sampler_view = nvc0_create_sampler_view;
1380    pipe->sampler_view_destroy = nvc0_sampler_view_destroy;
1381    pipe->set_sampler_views = nvc0_set_sampler_views;
1382 
1383    pipe->create_vs_state = nvc0_vp_state_create;
1384    pipe->create_fs_state = nvc0_fp_state_create;
1385    pipe->create_gs_state = nvc0_gp_state_create;
1386    pipe->create_tcs_state = nvc0_tcp_state_create;
1387    pipe->create_tes_state = nvc0_tep_state_create;
1388    pipe->bind_vs_state = nvc0_vp_state_bind;
1389    pipe->bind_fs_state = nvc0_fp_state_bind;
1390    pipe->bind_gs_state = nvc0_gp_state_bind;
1391    pipe->bind_tcs_state = nvc0_tcp_state_bind;
1392    pipe->bind_tes_state = nvc0_tep_state_bind;
1393    pipe->delete_vs_state = nvc0_sp_state_delete;
1394    pipe->delete_fs_state = nvc0_sp_state_delete;
1395    pipe->delete_gs_state = nvc0_sp_state_delete;
1396    pipe->delete_tcs_state = nvc0_sp_state_delete;
1397    pipe->delete_tes_state = nvc0_sp_state_delete;
1398 
1399    pipe->create_compute_state = nvc0_cp_state_create;
1400    pipe->bind_compute_state = nvc0_cp_state_bind;
1401    pipe->delete_compute_state = nvc0_sp_state_delete;
1402 
1403    pipe->set_blend_color = nvc0_set_blend_color;
1404    pipe->set_stencil_ref = nvc0_set_stencil_ref;
1405    pipe->set_clip_state = nvc0_set_clip_state;
1406    pipe->set_sample_mask = nvc0_set_sample_mask;
1407    pipe->set_min_samples = nvc0_set_min_samples;
1408    pipe->set_constant_buffer = nvc0_set_constant_buffer;
1409    pipe->set_framebuffer_state = nvc0_set_framebuffer_state;
1410    pipe->set_polygon_stipple = nvc0_set_polygon_stipple;
1411    pipe->set_scissor_states = nvc0_set_scissor_states;
1412    pipe->set_viewport_states = nvc0_set_viewport_states;
1413    pipe->set_window_rectangles = nvc0_set_window_rectangles;
1414    pipe->set_tess_state = nvc0_set_tess_state;
1415 
1416    pipe->create_vertex_elements_state = nvc0_vertex_state_create;
1417    pipe->delete_vertex_elements_state = nvc0_vertex_state_delete;
1418    pipe->bind_vertex_elements_state = nvc0_vertex_state_bind;
1419 
1420    pipe->set_vertex_buffers = nvc0_set_vertex_buffers;
1421    pipe->set_index_buffer = nvc0_set_index_buffer;
1422 
1423    pipe->create_stream_output_target = nvc0_so_target_create;
1424    pipe->stream_output_target_destroy = nvc0_so_target_destroy;
1425    pipe->set_stream_output_targets = nvc0_set_transform_feedback_targets;
1426 
1427    pipe->set_global_binding = nvc0_set_global_bindings;
1428    pipe->set_compute_resources = nvc0_set_compute_resources;
1429    pipe->set_shader_images = nvc0_set_shader_images;
1430    pipe->set_shader_buffers = nvc0_set_shader_buffers;
1431 
1432    nvc0->sample_mask = ~0;
1433    nvc0->min_samples = 1;
1434    nvc0->default_tess_outer[0] =
1435    nvc0->default_tess_outer[1] =
1436    nvc0->default_tess_outer[2] =
1437    nvc0->default_tess_outer[3] = 1.0;
1438    nvc0->default_tess_inner[0] =
1439    nvc0->default_tess_inner[1] = 1.0;
1440 }
1441