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1 /*
2  * Copyright 2011 Nouveau Project
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: Christoph Bumiller
23  */
24 
25 #define NVC0_PUSH_EXPLICIT_SPACE_CHECKING
26 
27 #include "nvc0/nvc0_context.h"
28 #include "nvc0/nvc0_query.h"
29 #include "nvc0/nvc0_query_sw.h"
30 #include "nvc0/nvc0_query_hw.h"
31 #include "nvc0/nvc0_query_hw_metric.h"
32 #include "nvc0/nvc0_query_hw_sm.h"
33 
34 static struct pipe_query *
nvc0_create_query(struct pipe_context * pipe,unsigned type,unsigned index)35 nvc0_create_query(struct pipe_context *pipe, unsigned type, unsigned index)
36 {
37    struct nvc0_context *nvc0 = nvc0_context(pipe);
38    struct nvc0_query *q;
39 
40    q = nvc0_sw_create_query(nvc0, type, index);
41    if (!q)
42       q = nvc0_hw_create_query(nvc0, type, index);
43 
44    return (struct pipe_query *)q;
45 }
46 
47 static void
nvc0_destroy_query(struct pipe_context * pipe,struct pipe_query * pq)48 nvc0_destroy_query(struct pipe_context *pipe, struct pipe_query *pq)
49 {
50    struct nvc0_query *q = nvc0_query(pq);
51    q->funcs->destroy_query(nvc0_context(pipe), q);
52 }
53 
54 static boolean
nvc0_begin_query(struct pipe_context * pipe,struct pipe_query * pq)55 nvc0_begin_query(struct pipe_context *pipe, struct pipe_query *pq)
56 {
57    struct nvc0_query *q = nvc0_query(pq);
58    return q->funcs->begin_query(nvc0_context(pipe), q);
59 }
60 
61 static bool
nvc0_end_query(struct pipe_context * pipe,struct pipe_query * pq)62 nvc0_end_query(struct pipe_context *pipe, struct pipe_query *pq)
63 {
64    struct nvc0_query *q = nvc0_query(pq);
65    q->funcs->end_query(nvc0_context(pipe), q);
66    return true;
67 }
68 
69 static boolean
nvc0_get_query_result(struct pipe_context * pipe,struct pipe_query * pq,boolean wait,union pipe_query_result * result)70 nvc0_get_query_result(struct pipe_context *pipe, struct pipe_query *pq,
71                       boolean wait, union pipe_query_result *result)
72 {
73    struct nvc0_query *q = nvc0_query(pq);
74    return q->funcs->get_query_result(nvc0_context(pipe), q, wait, result);
75 }
76 
77 static void
nvc0_get_query_result_resource(struct pipe_context * pipe,struct pipe_query * pq,boolean wait,enum pipe_query_value_type result_type,int index,struct pipe_resource * resource,unsigned offset)78 nvc0_get_query_result_resource(struct pipe_context *pipe,
79                                struct pipe_query *pq,
80                                boolean wait,
81                                enum pipe_query_value_type result_type,
82                                int index,
83                                struct pipe_resource *resource,
84                                unsigned offset)
85 {
86    struct nvc0_query *q = nvc0_query(pq);
87    if (!q->funcs->get_query_result_resource) {
88       assert(!"Unexpected lack of get_query_result_resource");
89       return;
90    }
91    q->funcs->get_query_result_resource(nvc0_context(pipe), q, wait, result_type,
92                                        index, resource, offset);
93 }
94 
95 static void
nvc0_render_condition(struct pipe_context * pipe,struct pipe_query * pq,boolean condition,enum pipe_render_cond_flag mode)96 nvc0_render_condition(struct pipe_context *pipe,
97                       struct pipe_query *pq,
98                       boolean condition, enum pipe_render_cond_flag mode)
99 {
100    struct nvc0_context *nvc0 = nvc0_context(pipe);
101    struct nouveau_pushbuf *push = nvc0->base.pushbuf;
102    struct nvc0_query *q = nvc0_query(pq);
103    struct nvc0_hw_query *hq = nvc0_hw_query(q);
104    uint32_t cond;
105    bool wait =
106       mode != PIPE_RENDER_COND_NO_WAIT &&
107       mode != PIPE_RENDER_COND_BY_REGION_NO_WAIT;
108 
109    if (!pq) {
110       cond = NVC0_3D_COND_MODE_ALWAYS;
111    }
112    else {
113       /* NOTE: comparison of 2 queries only works if both have completed */
114       switch (q->type) {
115       case PIPE_QUERY_SO_OVERFLOW_PREDICATE:
116          cond = condition ? NVC0_3D_COND_MODE_EQUAL :
117                           NVC0_3D_COND_MODE_NOT_EQUAL;
118          wait = true;
119          break;
120       case PIPE_QUERY_OCCLUSION_COUNTER:
121       case PIPE_QUERY_OCCLUSION_PREDICATE:
122       case PIPE_QUERY_OCCLUSION_PREDICATE_CONSERVATIVE:
123          if (likely(!condition)) {
124             if (unlikely(hq->nesting))
125                cond = wait ? NVC0_3D_COND_MODE_NOT_EQUAL :
126                              NVC0_3D_COND_MODE_ALWAYS;
127             else
128                cond = NVC0_3D_COND_MODE_RES_NON_ZERO;
129          } else {
130             cond = wait ? NVC0_3D_COND_MODE_EQUAL : NVC0_3D_COND_MODE_ALWAYS;
131          }
132          break;
133       default:
134          assert(!"render condition query not a predicate");
135          cond = NVC0_3D_COND_MODE_ALWAYS;
136          break;
137       }
138    }
139 
140    nvc0->cond_query = pq;
141    nvc0->cond_cond = condition;
142    nvc0->cond_condmode = cond;
143    nvc0->cond_mode = mode;
144 
145    if (!pq) {
146       PUSH_SPACE(push, 2);
147       IMMED_NVC0(push, NVC0_3D(COND_MODE), cond);
148       if (nvc0->screen->compute)
149          IMMED_NVC0(push, NVC0_CP(COND_MODE), cond);
150       return;
151    }
152 
153    if (wait)
154       nvc0_hw_query_fifo_wait(nvc0, q);
155 
156    PUSH_SPACE(push, 10);
157    PUSH_REFN (push, hq->bo, NOUVEAU_BO_GART | NOUVEAU_BO_RD);
158    BEGIN_NVC0(push, NVC0_3D(COND_ADDRESS_HIGH), 3);
159    PUSH_DATAh(push, hq->bo->offset + hq->offset);
160    PUSH_DATA (push, hq->bo->offset + hq->offset);
161    PUSH_DATA (push, cond);
162    BEGIN_NVC0(push, NVC0_2D(COND_ADDRESS_HIGH), 2);
163    PUSH_DATAh(push, hq->bo->offset + hq->offset);
164    PUSH_DATA (push, hq->bo->offset + hq->offset);
165    if (nvc0->screen->compute) {
166       BEGIN_NVC0(push, NVC0_CP(COND_ADDRESS_HIGH), 3);
167       PUSH_DATAh(push, hq->bo->offset + hq->offset);
168       PUSH_DATA (push, hq->bo->offset + hq->offset);
169       PUSH_DATA (push, cond);
170    }
171 }
172 
173 int
nvc0_screen_get_driver_query_info(struct pipe_screen * pscreen,unsigned id,struct pipe_driver_query_info * info)174 nvc0_screen_get_driver_query_info(struct pipe_screen *pscreen,
175                                   unsigned id,
176                                   struct pipe_driver_query_info *info)
177 {
178    struct nvc0_screen *screen = nvc0_screen(pscreen);
179    int num_sw_queries = 0, num_hw_queries = 0;
180 
181    num_sw_queries = nvc0_sw_get_driver_query_info(screen, 0, NULL);
182    num_hw_queries = nvc0_hw_get_driver_query_info(screen, 0, NULL);
183 
184    if (!info)
185       return num_sw_queries + num_hw_queries;
186 
187    /* Init default values. */
188    info->name = "this_is_not_the_query_you_are_looking_for";
189    info->query_type = 0xdeadd01d;
190    info->max_value.u64 = 0;
191    info->type = PIPE_DRIVER_QUERY_TYPE_UINT64;
192    info->group_id = -1;
193    info->flags = 0;
194 
195 #ifdef NOUVEAU_ENABLE_DRIVER_STATISTICS
196    if (id < num_sw_queries)
197       return nvc0_sw_get_driver_query_info(screen, id, info);
198 #endif
199 
200    return nvc0_hw_get_driver_query_info(screen, id - num_sw_queries, info);
201 }
202 
203 int
nvc0_screen_get_driver_query_group_info(struct pipe_screen * pscreen,unsigned id,struct pipe_driver_query_group_info * info)204 nvc0_screen_get_driver_query_group_info(struct pipe_screen *pscreen,
205                                         unsigned id,
206                                         struct pipe_driver_query_group_info *info)
207 {
208    struct nvc0_screen *screen = nvc0_screen(pscreen);
209    int count = 0;
210 
211 #ifdef NOUVEAU_ENABLE_DRIVER_STATISTICS
212    count++;
213 #endif
214 
215    if (screen->base.drm->version >= 0x01000101) {
216       if (screen->compute) {
217          if (screen->base.class_3d <= GM200_3D_CLASS) {
218             count += 2;
219          }
220       }
221    }
222 
223    if (!info)
224       return count;
225 
226    if (id == NVC0_HW_SM_QUERY_GROUP) {
227       if (screen->compute) {
228          info->name = "MP counters";
229 
230          /* Expose the maximum number of hardware counters available, although
231           * some queries use more than one counter. Expect failures in that
232           * case but as performance counters are for developers, this should
233           * not have a real impact. */
234          info->max_active_queries = 8;
235          info->num_queries = nvc0_hw_sm_get_num_queries(screen);
236          return 1;
237       }
238    } else
239    if (id == NVC0_HW_METRIC_QUERY_GROUP) {
240       if (screen->compute) {
241           if (screen->base.class_3d <= GM200_3D_CLASS) {
242             info->name = "Performance metrics";
243             info->max_active_queries = 4; /* A metric uses at least 2 queries */
244             info->num_queries = nvc0_hw_metric_get_num_queries(screen);
245             return 1;
246          }
247       }
248    }
249 #ifdef NOUVEAU_ENABLE_DRIVER_STATISTICS
250    else if (id == NVC0_SW_QUERY_DRV_STAT_GROUP) {
251       info->name = "Driver statistics";
252       info->max_active_queries = NVC0_SW_QUERY_DRV_STAT_COUNT;
253       info->num_queries = NVC0_SW_QUERY_DRV_STAT_COUNT;
254       return 1;
255    }
256 #endif
257 
258    /* user asked for info about non-existing query group */
259    info->name = "this_is_not_the_query_group_you_are_looking_for";
260    info->max_active_queries = 0;
261    info->num_queries = 0;
262    return 0;
263 }
264 
265 static void
nvc0_set_active_query_state(struct pipe_context * pipe,boolean enable)266 nvc0_set_active_query_state(struct pipe_context *pipe, boolean enable)
267 {
268 }
269 
270 void
nvc0_init_query_functions(struct nvc0_context * nvc0)271 nvc0_init_query_functions(struct nvc0_context *nvc0)
272 {
273    struct pipe_context *pipe = &nvc0->base.pipe;
274 
275    pipe->create_query = nvc0_create_query;
276    pipe->destroy_query = nvc0_destroy_query;
277    pipe->begin_query = nvc0_begin_query;
278    pipe->end_query = nvc0_end_query;
279    pipe->get_query_result = nvc0_get_query_result;
280    pipe->get_query_result_resource = nvc0_get_query_result_resource;
281    pipe->set_active_query_state = nvc0_set_active_query_state;
282    pipe->render_condition = nvc0_render_condition;
283    nvc0->cond_condmode = NVC0_3D_COND_MODE_ALWAYS;
284 }
285