/*
* 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
*/
#define NVC0_PUSH_EXPLICIT_SPACE_CHECKING
#include "nvc0_context.h"
#include "nouveau/nv_object.xml.h"
#define NVC0_QUERY_STATE_READY 0
#define NVC0_QUERY_STATE_ACTIVE 1
#define NVC0_QUERY_STATE_ENDED 2
#define NVC0_QUERY_STATE_FLUSHED 3
struct nvc0_query {
uint32_t *data;
uint16_t type;
uint16_t index;
uint32_t sequence;
struct nouveau_bo *bo;
uint32_t base;
uint32_t offset; /* base + i * rotate */
uint8_t state;
boolean is64bit;
uint8_t rotate;
int nesting; /* only used for occlusion queries */
struct nouveau_mm_allocation *mm;
};
#define NVC0_QUERY_ALLOC_SPACE 256
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->state == NVC0_QUERY_STATE_READY)
nouveau_mm_free(q->mm);
else
nouveau_fence_work(screen->base.fence.current,
nouveau_mm_free_work, q->mm);
}
}
if (size) {
q->mm = nouveau_mm_allocate(screen->base.mm_GART, size, &q->bo, &q->base);
if (!q->bo)
return FALSE;
q->offset = q->base;
ret = nouveau_bo_map(q->bo, 0, screen->base.client);
if (ret) {
nvc0_query_allocate(nvc0, q, 0);
return FALSE;
}
q->data = (uint32_t *)((uint8_t *)q->bo->map + q->base);
}
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;
unsigned space = NVC0_QUERY_ALLOC_SPACE;
q = CALLOC_STRUCT(nvc0_query);
if (!q)
return NULL;
switch (type) {
case PIPE_QUERY_OCCLUSION_COUNTER:
case PIPE_QUERY_OCCLUSION_PREDICATE:
q->rotate = 32;
space = NVC0_QUERY_ALLOC_SPACE;
break;
case PIPE_QUERY_PIPELINE_STATISTICS:
q->is64bit = TRUE;
space = 512;
break;
case PIPE_QUERY_SO_STATISTICS:
case PIPE_QUERY_SO_OVERFLOW_PREDICATE:
q->is64bit = TRUE;
space = 64;
break;
case PIPE_QUERY_TIME_ELAPSED:
case PIPE_QUERY_TIMESTAMP:
case PIPE_QUERY_TIMESTAMP_DISJOINT:
case PIPE_QUERY_GPU_FINISHED:
case PIPE_QUERY_PRIMITIVES_GENERATED:
case PIPE_QUERY_PRIMITIVES_EMITTED:
space = 32;
break;
case NVC0_QUERY_TFB_BUFFER_OFFSET:
space = 16;
break;
default:
FREE(q);
return NULL;
}
if (!nvc0_query_allocate(nvc0, q, space)) {
FREE(q);
return NULL;
}
q->type = type;
if (q->rotate) {
/* we advance before query_begin ! */
q->offset -= q->rotate;
q->data -= q->rotate / sizeof(*q->data);
} else
if (!q->is64bit)
q->data[0] = 0; /* initialize sequence */
return (struct pipe_query *)q;
}
static void
nvc0_query_get(struct nouveau_pushbuf *push, struct nvc0_query *q,
unsigned offset, uint32_t get)
{
offset += q->offset;
PUSH_SPACE(push, 5);
PUSH_REFN (push, q->bo, NOUVEAU_BO_GART | NOUVEAU_BO_WR);
BEGIN_NVC0(push, NVC0_3D(QUERY_ADDRESS_HIGH), 4);
PUSH_DATAh(push, q->bo->offset + offset);
PUSH_DATA (push, q->bo->offset + offset);
PUSH_DATA (push, q->sequence);
PUSH_DATA (push, get);
}
static void
nvc0_query_rotate(struct nvc0_context *nvc0, struct nvc0_query *q)
{
q->offset += q->rotate;
q->data += q->rotate / sizeof(*q->data);
if (q->offset - q->base == NVC0_QUERY_ALLOC_SPACE)
nvc0_query_allocate(nvc0, q, NVC0_QUERY_ALLOC_SPACE);
}
static void
nvc0_query_begin(struct pipe_context *pipe, struct pipe_query *pq)
{
struct nvc0_context *nvc0 = nvc0_context(pipe);
struct nouveau_pushbuf *push = nvc0->base.pushbuf;
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->rotate) {
nvc0_query_rotate(nvc0, q);
/* XXX: can we do this with the GPU, and sync with respect to a previous
* query ?
*/
q->data[0] = q->sequence; /* initialize sequence */
q->data[1] = 1; /* initial render condition = TRUE */
q->data[4] = q->sequence + 1; /* for comparison COND_MODE */
q->data[5] = 0;
}
q->sequence++;
switch (q->type) {
case PIPE_QUERY_OCCLUSION_COUNTER:
case PIPE_QUERY_OCCLUSION_PREDICATE:
q->nesting = nvc0->screen->num_occlusion_queries_active++;
if (q->nesting) {
nvc0_query_get(push, q, 0x10, 0x0100f002);
} else {
PUSH_SPACE(push, 3);
BEGIN_NVC0(push, NVC0_3D(COUNTER_RESET), 1);
PUSH_DATA (push, NVC0_3D_COUNTER_RESET_SAMPLECNT);
IMMED_NVC0(push, NVC0_3D(SAMPLECNT_ENABLE), 1);
}
break;
case PIPE_QUERY_PRIMITIVES_GENERATED:
nvc0_query_get(push, q, 0x10, 0x06805002 | (q->index << 5));
break;
case PIPE_QUERY_PRIMITIVES_EMITTED:
nvc0_query_get(push, q, 0x10, 0x05805002 | (q->index << 5));
break;
case PIPE_QUERY_SO_STATISTICS:
nvc0_query_get(push, q, 0x20, 0x05805002 | (q->index << 5));
nvc0_query_get(push, q, 0x30, 0x06805002 | (q->index << 5));
break;
case PIPE_QUERY_SO_OVERFLOW_PREDICATE:
nvc0_query_get(push, q, 0x10, 0x03005002 | (q->index << 5));
break;
case PIPE_QUERY_TIMESTAMP_DISJOINT:
case PIPE_QUERY_TIME_ELAPSED:
nvc0_query_get(push, q, 0x10, 0x00005002);
break;
case PIPE_QUERY_PIPELINE_STATISTICS:
nvc0_query_get(push, q, 0xc0 + 0x00, 0x00801002); /* VFETCH, VERTICES */
nvc0_query_get(push, q, 0xc0 + 0x10, 0x01801002); /* VFETCH, PRIMS */
nvc0_query_get(push, q, 0xc0 + 0x20, 0x02802002); /* VP, LAUNCHES */
nvc0_query_get(push, q, 0xc0 + 0x30, 0x03806002); /* GP, LAUNCHES */
nvc0_query_get(push, q, 0xc0 + 0x40, 0x04806002); /* GP, PRIMS_OUT */
nvc0_query_get(push, q, 0xc0 + 0x50, 0x07804002); /* RAST, PRIMS_IN */
nvc0_query_get(push, q, 0xc0 + 0x60, 0x08804002); /* RAST, PRIMS_OUT */
nvc0_query_get(push, q, 0xc0 + 0x70, 0x0980a002); /* ROP, PIXELS */
nvc0_query_get(push, q, 0xc0 + 0x80, 0x0d808002); /* TCP, LAUNCHES */
nvc0_query_get(push, q, 0xc0 + 0x90, 0x0e809002); /* TEP, LAUNCHES */
break;
default:
break;
}
q->state = NVC0_QUERY_STATE_ACTIVE;
}
static void
nvc0_query_end(struct pipe_context *pipe, struct pipe_query *pq)
{
struct nvc0_context *nvc0 = nvc0_context(pipe);
struct nouveau_pushbuf *push = nvc0->base.pushbuf;
struct nvc0_query *q = nvc0_query(pq);
if (q->state != NVC0_QUERY_STATE_ACTIVE) {
/* some queries don't require 'begin' to be called (e.g. GPU_FINISHED) */
if (q->rotate)
nvc0_query_rotate(nvc0, q);
q->sequence++;
}
q->state = NVC0_QUERY_STATE_ENDED;
switch (q->type) {
case PIPE_QUERY_OCCLUSION_COUNTER:
case PIPE_QUERY_OCCLUSION_PREDICATE:
nvc0_query_get(push, q, 0, 0x0100f002);
if (--nvc0->screen->num_occlusion_queries_active == 0) {
PUSH_SPACE(push, 1);
IMMED_NVC0(push, NVC0_3D(SAMPLECNT_ENABLE), 0);
}
break;
case PIPE_QUERY_PRIMITIVES_GENERATED:
nvc0_query_get(push, q, 0, 0x06805002 | (q->index << 5));
break;
case PIPE_QUERY_PRIMITIVES_EMITTED:
nvc0_query_get(push, q, 0, 0x05805002 | (q->index << 5));
break;
case PIPE_QUERY_SO_STATISTICS:
nvc0_query_get(push, q, 0x00, 0x05805002 | (q->index << 5));
nvc0_query_get(push, q, 0x10, 0x06805002 | (q->index << 5));
break;
case PIPE_QUERY_SO_OVERFLOW_PREDICATE:
/* TODO: How do we sum over all streams for render condition ? */
/* PRIMS_DROPPED doesn't write sequence, use a ZERO query to sync on */
nvc0_query_get(push, q, 0x00, 0x03005002 | (q->index << 5));
nvc0_query_get(push, q, 0x20, 0x00005002);
break;
case PIPE_QUERY_TIMESTAMP:
case PIPE_QUERY_TIMESTAMP_DISJOINT:
case PIPE_QUERY_TIME_ELAPSED:
nvc0_query_get(push, q, 0, 0x00005002);
break;
case PIPE_QUERY_GPU_FINISHED:
nvc0_query_get(push, q, 0, 0x1000f010);
break;
case PIPE_QUERY_PIPELINE_STATISTICS:
nvc0_query_get(push, q, 0x00, 0x00801002); /* VFETCH, VERTICES */
nvc0_query_get(push, q, 0x10, 0x01801002); /* VFETCH, PRIMS */
nvc0_query_get(push, q, 0x20, 0x02802002); /* VP, LAUNCHES */
nvc0_query_get(push, q, 0x30, 0x03806002); /* GP, LAUNCHES */
nvc0_query_get(push, q, 0x40, 0x04806002); /* GP, PRIMS_OUT */
nvc0_query_get(push, q, 0x50, 0x07804002); /* RAST, PRIMS_IN */
nvc0_query_get(push, q, 0x60, 0x08804002); /* RAST, PRIMS_OUT */
nvc0_query_get(push, q, 0x70, 0x0980a002); /* ROP, PIXELS */
nvc0_query_get(push, q, 0x80, 0x0d808002); /* TCP, LAUNCHES */
nvc0_query_get(push, q, 0x90, 0x0e809002); /* TEP, LAUNCHES */
break;
case NVC0_QUERY_TFB_BUFFER_OFFSET:
/* indexed by TFB buffer instead of by vertex stream */
nvc0_query_get(push, q, 0x00, 0x0d005002 | (q->index << 5));
break;
default:
assert(0);
break;
}
}
static INLINE void
nvc0_query_update(struct nouveau_client *cli, struct nvc0_query *q)
{
if (q->is64bit) {
if (!nouveau_bo_map(q->bo, NOUVEAU_BO_RD | NOUVEAU_BO_NOBLOCK, cli))
q->state = NVC0_QUERY_STATE_READY;
} else {
if (q->data[0] == q->sequence)
q->state = NVC0_QUERY_STATE_READY;
}
}
static boolean
nvc0_query_result(struct pipe_context *pipe, struct pipe_query *pq,
boolean wait, union pipe_query_result *result)
{
struct nvc0_context *nvc0 = nvc0_context(pipe);
struct nvc0_query *q = nvc0_query(pq);
uint64_t *res64 = (uint64_t*)result;
uint32_t *res32 = (uint32_t*)result;
boolean *res8 = (boolean*)result;
uint64_t *data64 = (uint64_t *)q->data;
unsigned i;
if (q->state != NVC0_QUERY_STATE_READY)
nvc0_query_update(nvc0->screen->base.client, q);
if (q->state != NVC0_QUERY_STATE_READY) {
if (!wait) {
if (q->state != NVC0_QUERY_STATE_FLUSHED) {
q->state = NVC0_QUERY_STATE_FLUSHED;
/* flush for silly apps that spin on GL_QUERY_RESULT_AVAILABLE */
PUSH_KICK(nvc0->base.pushbuf);
}
return FALSE;
}
if (nouveau_bo_wait(q->bo, NOUVEAU_BO_RD, nvc0->screen->base.client))
return FALSE;
}
q->state = NVC0_QUERY_STATE_READY;
switch (q->type) {
case PIPE_QUERY_GPU_FINISHED:
res8[0] = TRUE;
break;
case PIPE_QUERY_OCCLUSION_COUNTER: /* u32 sequence, u32 count, u64 time */
res64[0] = q->data[1] - q->data[5];
break;
case PIPE_QUERY_OCCLUSION_PREDICATE:
res8[0] = q->data[1] != q->data[5];
break;
case PIPE_QUERY_PRIMITIVES_GENERATED: /* u64 count, u64 time */
case PIPE_QUERY_PRIMITIVES_EMITTED: /* u64 count, u64 time */
res64[0] = data64[0] - data64[2];
break;
case PIPE_QUERY_SO_STATISTICS:
res64[0] = data64[0] - data64[4];
res64[1] = data64[2] - data64[6];
break;
case PIPE_QUERY_SO_OVERFLOW_PREDICATE:
res8[0] = data64[0] != data64[2];
break;
case PIPE_QUERY_TIMESTAMP:
res64[0] = data64[1];
break;
case PIPE_QUERY_TIMESTAMP_DISJOINT: /* u32 sequence, u32 0, u64 time */
res64[0] = 1000000000;
res8[8] = (data64[1] == data64[3]) ? FALSE : TRUE;
break;
case PIPE_QUERY_TIME_ELAPSED:
res64[0] = data64[1] - data64[3];
break;
case PIPE_QUERY_PIPELINE_STATISTICS:
for (i = 0; i < 10; ++i)
res64[i] = data64[i * 2] - data64[24 + i * 2];
break;
case NVC0_QUERY_TFB_BUFFER_OFFSET:
res32[0] = q->data[1];
break;
default:
return FALSE;
}
return TRUE;
}
void
nvc0_query_fifo_wait(struct nouveau_pushbuf *push, struct pipe_query *pq)
{
struct nvc0_query *q = nvc0_query(pq);
unsigned offset = q->offset;
if (q->type == PIPE_QUERY_SO_OVERFLOW_PREDICATE) offset += 0x20;
PUSH_SPACE(push, 5);
PUSH_REFN (push, q->bo, NOUVEAU_BO_GART | NOUVEAU_BO_RD);
BEGIN_NVC0(push, SUBC_3D(NV84_SUBCHAN_SEMAPHORE_ADDRESS_HIGH), 4);
PUSH_DATAh(push, q->bo->offset + offset);
PUSH_DATA (push, q->bo->offset + offset);
PUSH_DATA (push, q->sequence);
PUSH_DATA (push, (1 << 12) |
NV84_SUBCHAN_SEMAPHORE_TRIGGER_ACQUIRE_EQUAL);
}
static void
nvc0_render_condition(struct pipe_context *pipe,
struct pipe_query *pq, uint mode)
{
struct nvc0_context *nvc0 = nvc0_context(pipe);
struct nouveau_pushbuf *push = nvc0->base.pushbuf;
struct nvc0_query *q;
uint32_t cond;
boolean negated = FALSE;
boolean wait =
mode != PIPE_RENDER_COND_NO_WAIT &&
mode != PIPE_RENDER_COND_BY_REGION_NO_WAIT;
if (!pq) {
PUSH_SPACE(push, 1);
IMMED_NVC0(push, NVC0_3D(COND_MODE), NVC0_3D_COND_MODE_ALWAYS);
return;
}
q = nvc0_query(pq);
/* NOTE: comparison of 2 queries only works if both have completed */
switch (q->type) {
case PIPE_QUERY_SO_OVERFLOW_PREDICATE:
cond = negated ? NVC0_3D_COND_MODE_EQUAL :
NVC0_3D_COND_MODE_NOT_EQUAL;
wait = TRUE;
break;
case PIPE_QUERY_OCCLUSION_COUNTER:
case PIPE_QUERY_OCCLUSION_PREDICATE:
if (likely(!negated)) {
if (unlikely(q->nesting))
cond = wait ? NVC0_3D_COND_MODE_NOT_EQUAL :
NVC0_3D_COND_MODE_ALWAYS;
else
cond = NVC0_3D_COND_MODE_RES_NON_ZERO;
} else {
cond = wait ? NVC0_3D_COND_MODE_EQUAL : NVC0_3D_COND_MODE_ALWAYS;
}
break;
default:
assert(!"render condition query not a predicate");
mode = NVC0_3D_COND_MODE_ALWAYS;
break;
}
if (wait)
nvc0_query_fifo_wait(push, pq);
PUSH_SPACE(push, 4);
PUSH_REFN (push, q->bo, NOUVEAU_BO_GART | NOUVEAU_BO_RD);
BEGIN_NVC0(push, NVC0_3D(COND_ADDRESS_HIGH), 3);
PUSH_DATAh(push, q->bo->offset + q->offset);
PUSH_DATA (push, q->bo->offset + q->offset);
PUSH_DATA (push, cond);
}
void
nvc0_query_pushbuf_submit(struct nouveau_pushbuf *push,
struct pipe_query *pq, unsigned result_offset)
{
struct nvc0_query *q = nvc0_query(pq);
#define NVC0_IB_ENTRY_1_NO_PREFETCH (1 << (31 - 8))
nouveau_pushbuf_space(push, 0, 0, 1);
nouveau_pushbuf_data(push, q->bo, q->offset + result_offset, 4 |
NVC0_IB_ENTRY_1_NO_PREFETCH);
}
void
nvc0_so_target_save_offset(struct pipe_context *pipe,
struct pipe_stream_output_target *ptarg,
unsigned index, boolean *serialize)
{
struct nvc0_so_target *targ = nvc0_so_target(ptarg);
if (*serialize) {
*serialize = FALSE;
PUSH_SPACE(nvc0_context(pipe)->base.pushbuf, 1);
IMMED_NVC0(nvc0_context(pipe)->base.pushbuf, NVC0_3D(SERIALIZE), 0);
}
nvc0_query(targ->pq)->index = index;
nvc0_query_end(pipe, targ->pq);
}
void
nvc0_init_query_functions(struct nvc0_context *nvc0)
{
struct pipe_context *pipe = &nvc0->base.pipe;
pipe->create_query = nvc0_query_create;
pipe->destroy_query = nvc0_query_destroy;
pipe->begin_query = nvc0_query_begin;
pipe->end_query = nvc0_query_end;
pipe->get_query_result = nvc0_query_result;
pipe->render_condition = nvc0_render_condition;
}