| /* |
| * Copyright 2008 Ben Skeggs |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the "Software"), |
| * to deal in the Software without restriction, including without limitation |
| * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| * and/or sell copies of the Software, and to permit persons to whom the |
| * Software is furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be included in |
| * all copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| * THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, |
| * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF |
| * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| * SOFTWARE. |
| */ |
| |
| #include "pipe/p_context.h" |
| #include "pipe/p_inlines.h" |
| |
| #include "nv50_context.h" |
| |
| struct nv50_query { |
| struct nouveau_bo *bo; |
| unsigned type; |
| boolean ready; |
| uint64_t result; |
| }; |
| |
| static INLINE struct nv50_query * |
| nv50_query(struct pipe_query *pipe) |
| { |
| return (struct nv50_query *)pipe; |
| } |
| |
| static struct pipe_query * |
| nv50_query_create(struct pipe_context *pipe, unsigned type) |
| { |
| struct nouveau_device *dev = nouveau_screen(pipe->screen)->device; |
| struct nv50_query *q = CALLOC_STRUCT(nv50_query); |
| int ret; |
| |
| assert (q->type == PIPE_QUERY_OCCLUSION_COUNTER); |
| q->type = type; |
| |
| ret = nouveau_bo_new(dev, NOUVEAU_BO_VRAM | NOUVEAU_BO_MAP, 256, |
| 16, &q->bo); |
| if (ret) { |
| FREE(q); |
| return NULL; |
| } |
| |
| return (struct pipe_query *)q; |
| } |
| |
| static void |
| nv50_query_destroy(struct pipe_context *pipe, struct pipe_query *pq) |
| { |
| struct nv50_query *q = nv50_query(pq); |
| |
| if (q) { |
| nouveau_bo_ref(NULL, &q->bo); |
| FREE(q); |
| } |
| } |
| |
| static void |
| nv50_query_begin(struct pipe_context *pipe, struct pipe_query *pq) |
| { |
| struct nv50_context *nv50 = nv50_context(pipe); |
| struct nouveau_channel *chan = nv50->screen->base.channel; |
| struct nouveau_grobj *tesla = nv50->screen->tesla; |
| struct nv50_query *q = nv50_query(pq); |
| |
| BEGIN_RING(chan, tesla, 0x1530, 1); |
| OUT_RING (chan, 1); |
| BEGIN_RING(chan, tesla, 0x1514, 1); |
| OUT_RING (chan, 1); |
| |
| q->ready = FALSE; |
| } |
| |
| static void |
| nv50_query_end(struct pipe_context *pipe, struct pipe_query *pq) |
| { |
| struct nv50_context *nv50 = nv50_context(pipe); |
| struct nouveau_channel *chan = nv50->screen->base.channel; |
| struct nouveau_grobj *tesla = nv50->screen->tesla; |
| struct nv50_query *q = nv50_query(pq); |
| |
| WAIT_RING (chan, 5); |
| BEGIN_RING(chan, tesla, NV50TCL_QUERY_ADDRESS_HIGH, 4); |
| OUT_RELOCh(chan, q->bo, 0, NOUVEAU_BO_VRAM | NOUVEAU_BO_WR); |
| OUT_RELOCl(chan, q->bo, 0, NOUVEAU_BO_VRAM | NOUVEAU_BO_WR); |
| OUT_RING (chan, 0x00000000); |
| OUT_RING (chan, 0x0100f002); |
| FIRE_RING (chan); |
| } |
| |
| static boolean |
| nv50_query_result(struct pipe_context *pipe, struct pipe_query *pq, |
| boolean wait, uint64_t *result) |
| { |
| struct nv50_query *q = nv50_query(pq); |
| int ret; |
| |
| if (!q->ready) { |
| ret = nouveau_bo_map(q->bo, NOUVEAU_BO_RD | |
| wait ? 0 : NOUVEAU_BO_NOWAIT); |
| if (ret) |
| return false; |
| q->result = ((uint32_t *)q->bo->map)[1]; |
| q->ready = TRUE; |
| nouveau_bo_unmap(q->bo); |
| } |
| |
| *result = q->result; |
| return q->ready; |
| } |
| |
| void |
| nv50_init_query_functions(struct nv50_context *nv50) |
| { |
| nv50->pipe.create_query = nv50_query_create; |
| nv50->pipe.destroy_query = nv50_query_destroy; |
| nv50->pipe.begin_query = nv50_query_begin; |
| nv50->pipe.end_query = nv50_query_end; |
| nv50->pipe.get_query_result = nv50_query_result; |
| } |