/*
* 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 OR COPYRIGHT HOLDERS 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 NV50_PUSH_EXPLICIT_SPACE_CHECKING
#include "nv50_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 nv50_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 * 16 */
boolean ready;
boolean flushed;
boolean is64bit;
struct nouveau_mm_allocation *mm;
};
#define NV50_QUERY_ALLOC_SPACE 128
static INLINE struct nv50_query *
nv50_query(struct pipe_query *pipe)
{
return (struct nv50_query *)pipe;
}
static boolean
nv50_query_allocate(struct nv50_context *nv50, struct nv50_query *q, int size)
{
struct nv50_screen *screen = nv50->screen;
int ret;
if (q->bo) {
nouveau_bo_ref(NULL, &q->bo);
if (q->mm) {
if (q->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) {
nv50_query_allocate(nv50, q, 0);
return FALSE;
}
q->data = (uint32_t *)((uint8_t *)q->bo->map + q->base);
}
return TRUE;
}
static void
nv50_query_destroy(struct pipe_context *pipe, struct pipe_query *pq)
{
nv50_query_allocate(nv50_context(pipe), nv50_query(pq), 0);
FREE(nv50_query(pq));
}
static struct pipe_query *
nv50_query_create(struct pipe_context *pipe, unsigned type)
{
struct nv50_context *nv50 = nv50_context(pipe);
struct nv50_query *q;
q = CALLOC_STRUCT(nv50_query);
if (!q)
return NULL;
if (!nv50_query_allocate(nv50, q, NV50_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
nv50_query_get(struct nouveau_pushbuf *push, struct nv50_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_NV04(push, NV50_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
nv50_query_begin(struct pipe_context *pipe, struct pipe_query *pq)
{
struct nv50_context *nv50 = nv50_context(pipe);
struct nouveau_pushbuf *push = nv50->base.pushbuf;
struct nv50_query *q = nv50_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 == NV50_QUERY_ALLOC_SPACE)
nv50_query_allocate(nv50, q, NV50_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:
PUSH_SPACE(push, 4);
BEGIN_NV04(push, NV50_3D(COUNTER_RESET), 1);
PUSH_DATA (push, NV50_3D_COUNTER_RESET_SAMPLECNT);
BEGIN_NV04(push, NV50_3D(SAMPLECNT_ENABLE), 1);
PUSH_DATA (push, 1);
break;
case PIPE_QUERY_PRIMITIVES_GENERATED:
nv50_query_get(push, q, 0x10, 0x06805002);
break;
case PIPE_QUERY_PRIMITIVES_EMITTED:
nv50_query_get(push, q, 0x10, 0x05805002);
break;
case PIPE_QUERY_SO_STATISTICS:
nv50_query_get(push, q, 0x20, 0x05805002);
nv50_query_get(push, q, 0x30, 0x06805002);
break;
case PIPE_QUERY_TIME_ELAPSED:
nv50_query_get(push, q, 0x10, 0x00005002);
break;
default:
break;
}
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_pushbuf *push = nv50->base.pushbuf;
struct nv50_query *q = nv50_query(pq);
switch (q->type) {
case PIPE_QUERY_OCCLUSION_COUNTER:
nv50_query_get(push, q, 0, 0x0100f002);
PUSH_SPACE(push, 2);
BEGIN_NV04(push, NV50_3D(SAMPLECNT_ENABLE), 1);
PUSH_DATA (push, 0);
break;
case PIPE_QUERY_PRIMITIVES_GENERATED:
nv50_query_get(push, q, 0, 0x06805002);
break;
case PIPE_QUERY_PRIMITIVES_EMITTED:
nv50_query_get(push, q, 0, 0x05805002);
break;
case PIPE_QUERY_SO_STATISTICS:
nv50_query_get(push, q, 0x00, 0x05805002);
nv50_query_get(push, q, 0x10, 0x06805002);
break;
case PIPE_QUERY_TIMESTAMP:
q->sequence++;
/* fall through */
case PIPE_QUERY_TIME_ELAPSED:
nv50_query_get(push, q, 0, 0x00005002);
break;
case PIPE_QUERY_GPU_FINISHED:
q->sequence++;
nv50_query_get(push, q, 0, 0x1000f010);
break;
case NVA0_QUERY_STREAM_OUTPUT_BUFFER_OFFSET:
nv50_query_get(push, q, 0, 0x0d005002 | (q->index << 5));
break;
case PIPE_QUERY_TIMESTAMP_DISJOINT:
break;
default:
break;
}
q->ready = q->flushed = FALSE;
}
static INLINE boolean
nv50_query_ready(struct nv50_query *q)
{
return q->ready || (!q->is64bit && (q->data[0] == q->sequence));
}
static boolean
nv50_query_result(struct pipe_context *pipe, struct pipe_query *pq,
boolean wait, union pipe_query_result *result)
{
struct nv50_context *nv50 = nv50_context(pipe);
struct nv50_query *q = nv50_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;
if (!q->ready) /* update ? */
q->ready = nv50_query_ready(q);
if (!q->ready) {
if (!wait) {
/* for broken apps that spin on GL_QUERY_RESULT_AVAILABLE */
if (!q->flushed) {
q->flushed = TRUE;
PUSH_KICK(nv50->base.pushbuf);
}
return FALSE;
}
if (nouveau_bo_wait(q->bo, NOUVEAU_BO_RD, nv50->screen->base.client))
return FALSE;
}
q->ready = TRUE;
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];
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_TIMESTAMP:
res64[0] = data64[1];
break;
case PIPE_QUERY_TIMESTAMP_DISJOINT:
res64[0] = 1000000000;
res8[8] = FALSE;
break;
case PIPE_QUERY_TIME_ELAPSED:
res64[0] = data64[1] - data64[3];
break;
case NVA0_QUERY_STREAM_OUTPUT_BUFFER_OFFSET:
res32[0] = q->data[1];
break;
default:
return FALSE;
}
return TRUE;
}
void
nv84_query_fifo_wait(struct nouveau_pushbuf *push, struct pipe_query *pq)
{
struct nv50_query *q = nv50_query(pq);
unsigned offset = q->offset;
PUSH_SPACE(push, 5);
PUSH_REFN (push, q->bo, NOUVEAU_BO_GART | NOUVEAU_BO_RD);
BEGIN_NV04(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, NV84_SUBCHAN_SEMAPHORE_TRIGGER_ACQUIRE_EQUAL);
}
static void
nv50_render_condition(struct pipe_context *pipe,
struct pipe_query *pq,
boolean condition, uint mode)
{
struct nv50_context *nv50 = nv50_context(pipe);
struct nouveau_pushbuf *push = nv50->base.pushbuf;
struct nv50_query *q;
nv50->cond_query = pq;
nv50->cond_cond = condition;
nv50->cond_mode = mode;
PUSH_SPACE(push, 6);
if (!pq) {
BEGIN_NV04(push, NV50_3D(COND_MODE), 1);
PUSH_DATA (push, NV50_3D_COND_MODE_ALWAYS);
return;
}
q = nv50_query(pq);
if (mode == PIPE_RENDER_COND_WAIT ||
mode == PIPE_RENDER_COND_BY_REGION_WAIT) {
BEGIN_NV04(push, SUBC_3D(NV50_GRAPH_SERIALIZE), 1);
PUSH_DATA (push, 0);
}
BEGIN_NV04(push, NV50_3D(COND_ADDRESS_HIGH), 3);
PUSH_DATAh(push, q->bo->offset + q->offset);
PUSH_DATA (push, q->bo->offset + q->offset);
PUSH_DATA (push, NV50_3D_COND_MODE_RES_NON_ZERO);
}
void
nv50_query_pushbuf_submit(struct nouveau_pushbuf *push,
struct pipe_query *pq, unsigned result_offset)
{
struct nv50_query *q = nv50_query(pq);
/* XXX: does this exist ? */
#define NV50_IB_ENTRY_1_NO_PREFETCH (0 << (31 - 8))
nouveau_pushbuf_space(push, 0, 0, 1);
nouveau_pushbuf_data(push, q->bo, q->offset + result_offset, 4 |
NV50_IB_ENTRY_1_NO_PREFETCH);
}
void
nva0_so_target_save_offset(struct pipe_context *pipe,
struct pipe_stream_output_target *ptarg,
unsigned index, boolean serialize)
{
struct nv50_so_target *targ = nv50_so_target(ptarg);
if (serialize) {
struct nouveau_pushbuf *push = nv50_context(pipe)->base.pushbuf;
PUSH_SPACE(push, 2);
BEGIN_NV04(push, SUBC_3D(NV50_GRAPH_SERIALIZE), 1);
PUSH_DATA (push, 0);
}
nv50_query(targ->pq)->index = index;
nv50_query_end(pipe, targ->pq);
}
void
nv50_init_query_functions(struct nv50_context *nv50)
{
struct pipe_context *pipe = &nv50->base.pipe;
pipe->create_query = nv50_query_create;
pipe->destroy_query = nv50_query_destroy;
pipe->begin_query = nv50_query_begin;
pipe->end_query = nv50_query_end;
pipe->get_query_result = nv50_query_result;
pipe->render_condition = nv50_render_condition;
}