diff options
Diffstat (limited to 'src/gallium/drivers/nvc0/nvc0_query.c')
| -rw-r--r-- | src/gallium/drivers/nvc0/nvc0_query.c | 337 |
1 files changed, 337 insertions, 0 deletions
diff --git a/src/gallium/drivers/nvc0/nvc0_query.c b/src/gallium/drivers/nvc0/nvc0_query.c new file mode 100644 index 0000000000..cc83fbe771 --- /dev/null +++ b/src/gallium/drivers/nvc0/nvc0_query.c @@ -0,0 +1,337 @@ +/* + * Copyright 2011 Nouveau Project + * + * 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. + * + * Authors: Christoph Bumiller + */ + +#include "nvc0_context.h" +#include "nouveau/nv_object.xml.h" + +/* XXX: Nested queries, and simultaneous queries on multiple gallium contexts + * (since we use only a single GPU channel per screen) will not work properly. + * + * The first is not that big of an issue because OpenGL does not allow nested + * queries anyway. + */ + +struct nvc0_query { + uint32_t *data; + uint32_t type; + uint32_t sequence; + struct nouveau_bo *bo; + uint32_t base; + uint32_t offset; /* base + i * 16 */ + boolean ready; + boolean is64bit; + struct nvc0_mm_allocation *mm; +}; + +#define NVC0_QUERY_ALLOC_SPACE 128 + +static INLINE struct nvc0_query * +nvc0_query(struct pipe_query *pipe) +{ + return (struct nvc0_query *)pipe; +} + +static boolean +nvc0_query_allocate(struct nvc0_context *nvc0, struct nvc0_query *q, int size) +{ + struct nvc0_screen *screen = nvc0->screen; + int ret; + + if (q->bo) { + nouveau_bo_ref(NULL, &q->bo); + if (q->mm) { + if (q->ready) + nvc0_mm_free(q->mm); + else + nvc0_fence_sched_release(screen->fence.current, q->mm); + } + } + if (size) { + q->mm = nvc0_mm_allocate(screen->mm_GART, size, &q->bo, &q->base); + if (!q->bo) + return FALSE; + q->offset = q->base; + + ret = nouveau_bo_map_range(q->bo, q->base, size, NOUVEAU_BO_RD | + NOUVEAU_BO_NOSYNC); + if (ret) { + nvc0_query_allocate(nvc0, q, 0); + return FALSE; + } + q->data = q->bo->map; + nouveau_bo_unmap(q->bo); + } + return TRUE; +} + +static void +nvc0_query_destroy(struct pipe_context *pipe, struct pipe_query *pq) +{ + nvc0_query_allocate(nvc0_context(pipe), nvc0_query(pq), 0); + FREE(nvc0_query(pq)); +} + +static struct pipe_query * +nvc0_query_create(struct pipe_context *pipe, unsigned type) +{ + struct nvc0_context *nvc0 = nvc0_context(pipe); + struct nvc0_query *q; + + q = CALLOC_STRUCT(nvc0_query); + if (!q) + return NULL; + + if (!nvc0_query_allocate(nvc0, q, NVC0_QUERY_ALLOC_SPACE)) { + FREE(q); + return NULL; + } + + q->is64bit = (type == PIPE_QUERY_PRIMITIVES_GENERATED || + type == PIPE_QUERY_PRIMITIVES_EMITTED || + type == PIPE_QUERY_SO_STATISTICS); + q->type = type; + + if (q->type == PIPE_QUERY_OCCLUSION_COUNTER) { + q->offset -= 16; + q->data -= 16 / sizeof(*q->data); /* we advance before query_begin ! */ + } + + return (struct pipe_query *)q; +} + +static void +nvc0_query_get(struct nouveau_channel *chan, struct nvc0_query *q, + unsigned offset, uint32_t get) +{ + offset += q->offset; + + MARK_RING (chan, 5, 2); + BEGIN_RING(chan, RING_3D(QUERY_ADDRESS_HIGH), 4); + OUT_RELOCh(chan, q->bo, offset, NOUVEAU_BO_GART | NOUVEAU_BO_WR); + OUT_RELOCl(chan, q->bo, offset, NOUVEAU_BO_GART | NOUVEAU_BO_WR); + OUT_RING (chan, q->sequence); + OUT_RING (chan, get); +} + +static void +nvc0_query_begin(struct pipe_context *pipe, struct pipe_query *pq) +{ + struct nvc0_context *nvc0 = nvc0_context(pipe); + struct nouveau_channel *chan = nvc0->screen->base.channel; + struct nvc0_query *q = nvc0_query(pq); + + /* For occlusion queries we have to change the storage, because a previous + * query might set the initial render conition to FALSE even *after* we re- + * initialized it to TRUE. + */ + if (q->type == PIPE_QUERY_OCCLUSION_COUNTER) { + q->offset += 16; + q->data += 16 / sizeof(*q->data); + if (q->offset - q->base == NVC0_QUERY_ALLOC_SPACE) + nvc0_query_allocate(nvc0, q, NVC0_QUERY_ALLOC_SPACE); + + /* XXX: can we do this with the GPU, and sync with respect to a previous + * query ? + */ + q->data[1] = 1; /* initial render condition = TRUE */ + } + if (!q->is64bit) + q->data[0] = q->sequence++; /* the previously used one */ + + switch (q->type) { + case PIPE_QUERY_OCCLUSION_COUNTER: + IMMED_RING(chan, RING_3D(COUNTER_RESET), NVC0_3D_COUNTER_RESET_SAMPLECNT); + IMMED_RING(chan, RING_3D(SAMPLECNT_ENABLE), 1); + break; + case PIPE_QUERY_PRIMITIVES_GENERATED: /* store before & after instead ? */ + IMMED_RING(chan, RING_3D(COUNTER_RESET), + NVC0_3D_COUNTER_RESET_GENERATED_PRIMITIVES); + break; + case PIPE_QUERY_PRIMITIVES_EMITTED: + IMMED_RING(chan, RING_3D(COUNTER_RESET), + NVC0_3D_COUNTER_RESET_EMITTED_PRIMITIVES); + break; + case PIPE_QUERY_SO_STATISTICS: + BEGIN_RING_NI(chan, RING_3D(COUNTER_RESET), 2); + OUT_RING (chan, NVC0_3D_COUNTER_RESET_EMITTED_PRIMITIVES); + OUT_RING (chan, NVC0_3D_COUNTER_RESET_GENERATED_PRIMITIVES); + break; + case PIPE_QUERY_TIMESTAMP_DISJOINT: + case PIPE_QUERY_TIME_ELAPSED: + nvc0_query_get(chan, q, 0x10, 0x00005002); + break; + default: + break; + } + q->ready = FALSE; +} + +static void +nvc0_query_end(struct pipe_context *pipe, struct pipe_query *pq) +{ + struct nvc0_context *nvc0 = nvc0_context(pipe); + struct nouveau_channel *chan = nvc0->screen->base.channel; + struct nvc0_query *q = nvc0_query(pq); + + const int index = 0; /* for multiple vertex streams */ + + switch (q->type) { + case PIPE_QUERY_OCCLUSION_COUNTER: + nvc0_query_get(chan, q, 0, 0x0100f002); + BEGIN_RING(chan, RING_3D(SAMPLECNT_ENABLE), 1); + OUT_RING (chan, 0); + break; + case PIPE_QUERY_PRIMITIVES_GENERATED: + nvc0_query_get(chan, q, 0, 0x09005002 | (index << 5)); + break; + case PIPE_QUERY_PRIMITIVES_EMITTED: + nvc0_query_get(chan, q, 0, 0x05805002 | (index << 5)); + break; + case PIPE_QUERY_SO_STATISTICS: + nvc0_query_get(chan, q, 0x00, 0x05805002 | (index << 5)); + nvc0_query_get(chan, q, 0x10, 0x09005002 | (index << 5)); + break; + case PIPE_QUERY_TIMESTAMP_DISJOINT: + case PIPE_QUERY_TIME_ELAPSED: + nvc0_query_get(chan, q, 0, 0x00005002); + break; + case PIPE_QUERY_GPU_FINISHED: + nvc0_query_get(chan, q, 0, 0x1000f010); + break; + default: + assert(0); + break; + } +} + +static INLINE boolean +nvc0_query_ready(struct nvc0_query *q) +{ + return q->ready || (!q->is64bit && (q->data[0] == q->sequence)); +} + +static INLINE boolean +nvc0_query_wait(struct nvc0_query *q) +{ + int ret = nouveau_bo_map(q->bo, NOUVEAU_BO_RD); + if (ret) + return FALSE; + nouveau_bo_unmap(q->bo); + return TRUE; +} + +static boolean +nvc0_query_result(struct pipe_context *pipe, struct pipe_query *pq, + boolean wait, void *result) +{ + struct nvc0_query *q = nvc0_query(pq); + uint64_t *res64 = result; + uint32_t *res32 = result; + boolean *res8 = result; + uint64_t *data64 = (uint64_t *)q->data; + + if (q->type == PIPE_QUERY_GPU_FINISHED) { + res8[0] = nvc0_query_ready(q); + return TRUE; + } + + if (!q->ready) /* update ? */ + q->ready = nvc0_query_ready(q); + if (!q->ready) { + struct nouveau_channel *chan = nvc0_context(pipe)->screen->base.channel; + if (!wait) { + if (nouveau_bo_pending(q->bo) & NOUVEAU_BO_WR) /* for daft apps */ + FIRE_RING(chan); + return FALSE; + } + if (!nvc0_query_wait(q)) + return FALSE; + } + q->ready = TRUE; + + switch (q->type) { + case PIPE_QUERY_OCCLUSION_COUNTER: /* u32 sequence, u32 count, u64 time */ + res32[0] = q->data[1]; + break; + case PIPE_QUERY_PRIMITIVES_GENERATED: /* u64 count, u64 time */ + case PIPE_QUERY_PRIMITIVES_EMITTED: /* u64 count, u64 time */ + res64[0] = data64[0]; + break; + case PIPE_QUERY_SO_STATISTICS: + res64[0] = data64[0]; + res64[1] = data64[1]; + break; + case PIPE_QUERY_TIMESTAMP_DISJOINT: /* u32 sequence, u32 0, u64 time */ + res64[0] = 1000000000; + res8[8] = (data64[0] == data64[2]) ? FALSE : TRUE; + break; + case PIPE_QUERY_TIME_ELAPSED: + res64[0] = data64[1] - data64[3]; + break; + default: + return FALSE; + } + + return TRUE; +} + +static void +nvc0_render_condition(struct pipe_context *pipe, + struct pipe_query *pq, uint mode) +{ + struct nvc0_context *nvc0 = nvc0_context(pipe); + struct nouveau_channel *chan = nvc0->screen->base.channel; + struct nvc0_query *q; + + if (!pq) { + IMMED_RING(chan, RING_3D(COND_MODE), NVC0_3D_COND_MODE_ALWAYS); + return; + } + q = nvc0_query(pq); + + if (mode == PIPE_RENDER_COND_WAIT || + mode == PIPE_RENDER_COND_BY_REGION_WAIT) { + BEGIN_RING(chan, RING_3D_(NV84_SUBCHAN_QUERY_ADDRESS_HIGH), 4); + OUT_RELOCh(chan, q->bo, q->offset, NOUVEAU_BO_GART | NOUVEAU_BO_RD); + OUT_RELOCl(chan, q->bo, q->offset, NOUVEAU_BO_GART | NOUVEAU_BO_RD); + OUT_RING (chan, q->sequence); + OUT_RING (chan, 0x00001001); + } + + BEGIN_RING(chan, RING_3D(COND_ADDRESS_HIGH), 3); + OUT_RELOCh(chan, q->bo, q->offset, NOUVEAU_BO_GART | NOUVEAU_BO_RD); + OUT_RELOCl(chan, q->bo, q->offset, NOUVEAU_BO_GART | NOUVEAU_BO_RD); + OUT_RING (chan, NVC0_3D_COND_MODE_RES_NON_ZERO); +} + +void +nvc0_init_query_functions(struct nvc0_context *nvc0) +{ + nvc0->pipe.create_query = nvc0_query_create; + nvc0->pipe.destroy_query = nvc0_query_destroy; + nvc0->pipe.begin_query = nvc0_query_begin; + nvc0->pipe.end_query = nvc0_query_end; + nvc0->pipe.get_query_result = nvc0_query_result; + nvc0->pipe.render_condition = nvc0_render_condition; +} |