static void
llvmpipe_begin_query(struct pipe_context *pipe, struct pipe_query *q)
{
struct llvmpipe_context *llvmpipe = llvmpipe_context( pipe );
struct llvmpipe_query *pq = llvmpipe_query(q);
/* Check if the query is already in the scene. If so, we need to
* flush the scene now. Real apps shouldn't re-use a query in a
* frame of rendering.
*/
if (pq->fence && !lp_fence_issued(pq->fence)) {
llvmpipe_finish(pipe, __FUNCTION__);
}
memset(pq->count, 0, sizeof(pq->count));
lp_setup_begin_query(llvmpipe->setup, pq);
if (pq->type == PIPE_QUERY_PRIMITIVES_EMITTED) {
pq->num_primitives_written = 0;
llvmpipe->so_stats.num_primitives_written = 0;
}
if (pq->type == PIPE_QUERY_PRIMITIVES_GENERATED) {
pq->num_primitives_generated = 0;
llvmpipe->num_primitives_generated = 0;
}
if (pq->type == PIPE_QUERY_OCCLUSION_COUNTER) {
llvmpipe->active_occlusion_query = TRUE;
llvmpipe->dirty |= LP_NEW_OCCLUSION_QUERY;
}
}
static boolean
llvmpipe_get_query_result(struct pipe_context *pipe,
struct pipe_query *q,
boolean wait,
union pipe_query_result *vresult)
{
struct llvmpipe_query *pq = llvmpipe_query(q);
uint64_t *result = (uint64_t *)vresult;
int i;
if (!pq->fence) {
/* no fence because there was no scene, so results is zero */
*result = 0;
return TRUE;
}
if (!lp_fence_signalled(pq->fence)) {
if (!lp_fence_issued(pq->fence))
llvmpipe_flush(pipe, NULL, __FUNCTION__);
if (!wait)
return FALSE;
lp_fence_wait(pq->fence);
}
/* Sum the results from each of the threads:
*/
*result = 0;
switch (pq->type) {
case PIPE_QUERY_OCCLUSION_COUNTER:
for (i = 0; i < LP_MAX_THREADS; i++) {
*result += pq->count[i];
}
break;
case PIPE_QUERY_TIMESTAMP:
for (i = 0; i < LP_MAX_THREADS; i++) {
if (pq->count[i] > *result) {
*result = pq->count[i];
}
if (*result == 0)
*result = os_time_get_nano();
}
break;
case PIPE_QUERY_PRIMITIVES_GENERATED:
*result = pq->num_primitives_generated;
break;
case PIPE_QUERY_PRIMITIVES_EMITTED:
*result = pq->num_primitives_written;
break;
default:
assert(0);
break;
}
return TRUE;
}
static void
llvmpipe_begin_query(struct pipe_context *pipe, struct pipe_query *q)
{
struct llvmpipe_context *llvmpipe = llvmpipe_context( pipe );
struct llvmpipe_query *pq = llvmpipe_query(q);
/* Check if the query is already in the scene. If so, we need to
* flush the scene now. Real apps shouldn't re-use a query in a
* frame of rendering.
*/
if (pq->fence && !lp_fence_issued(pq->fence)) {
llvmpipe_finish(pipe, __FUNCTION__);
}
memset(pq->start, 0, sizeof(pq->start));
memset(pq->end, 0, sizeof(pq->end));
lp_setup_begin_query(llvmpipe->setup, pq);
switch (pq->type) {
case PIPE_QUERY_PRIMITIVES_EMITTED:
pq->num_primitives_written = llvmpipe->so_stats.num_primitives_written;
break;
case PIPE_QUERY_PRIMITIVES_GENERATED:
pq->num_primitives_generated = llvmpipe->so_stats.primitives_storage_needed;
break;
case PIPE_QUERY_SO_STATISTICS:
pq->num_primitives_written = llvmpipe->so_stats.num_primitives_written;
pq->num_primitives_generated = llvmpipe->so_stats.primitives_storage_needed;
break;
case PIPE_QUERY_SO_OVERFLOW_PREDICATE:
pq->num_primitives_written = llvmpipe->so_stats.num_primitives_written;
pq->num_primitives_generated = llvmpipe->so_stats.primitives_storage_needed;
break;
case PIPE_QUERY_PIPELINE_STATISTICS:
/* reset our cache */
if (llvmpipe->active_statistics_queries == 0) {
memset(&llvmpipe->pipeline_statistics, 0,
sizeof(llvmpipe->pipeline_statistics));
}
memcpy(&pq->stats, &llvmpipe->pipeline_statistics, sizeof(pq->stats));
llvmpipe->active_statistics_queries++;
break;
case PIPE_QUERY_OCCLUSION_COUNTER:
case PIPE_QUERY_OCCLUSION_PREDICATE:
llvmpipe->active_occlusion_queries++;
llvmpipe->dirty |= LP_NEW_OCCLUSION_QUERY;
break;
default:
break;
}
}
static void
llvmpipe_destroy_query(struct pipe_context *pipe, struct pipe_query *q)
{
struct llvmpipe_query *pq = llvmpipe_query(q);
/* Ideally we would refcount queries & not get destroyed until the
* last scene had finished with us.
*/
if (pq->fence) {
if (!lp_fence_issued(pq->fence))
llvmpipe_flush(pipe, NULL, __FUNCTION__);
if (!lp_fence_signalled(pq->fence))
lp_fence_wait(pq->fence);
lp_fence_reference(&pq->fence, NULL);
}
FREE(pq);
}
static boolean
llvmpipe_get_query_result(struct pipe_context *pipe,
struct pipe_query *q,
boolean wait,
union pipe_query_result *vresult)
{
struct llvmpipe_screen *screen = llvmpipe_screen(pipe->screen);
unsigned num_threads = MAX2(1, screen->num_threads);
struct llvmpipe_query *pq = llvmpipe_query(q);
uint64_t *result = (uint64_t *)vresult;
int i;
if (pq->fence) {
/* only have a fence if there was a scene */
if (!lp_fence_signalled(pq->fence)) {
if (!lp_fence_issued(pq->fence))
llvmpipe_flush(pipe, NULL, __FUNCTION__);
if (!wait)
return FALSE;
lp_fence_wait(pq->fence);
}
}
/* Sum the results from each of the threads:
*/
*result = 0;
switch (pq->type) {
case PIPE_QUERY_OCCLUSION_COUNTER:
for (i = 0; i < num_threads; i++) {
*result += pq->end[i];
}
break;
case PIPE_QUERY_OCCLUSION_PREDICATE:
for (i = 0; i < num_threads; i++) {
/* safer (still not guaranteed) when there's an overflow */
vresult->b = vresult->b || pq->end[i];
}
break;
case PIPE_QUERY_TIMESTAMP:
for (i = 0; i < num_threads; i++) {
if (pq->end[i] > *result) {
*result = pq->end[i];
}
}
break;
case PIPE_QUERY_TIMESTAMP_DISJOINT: {
struct pipe_query_data_timestamp_disjoint *td =
(struct pipe_query_data_timestamp_disjoint *)vresult;
/* os_get_time_nano return nanoseconds */
td->frequency = UINT64_C(1000000000);
td->disjoint = FALSE;
}
break;
case PIPE_QUERY_GPU_FINISHED:
vresult->b = TRUE;
break;
case PIPE_QUERY_PRIMITIVES_GENERATED:
*result = pq->num_primitives_generated;
break;
case PIPE_QUERY_PRIMITIVES_EMITTED:
*result = pq->num_primitives_written;
break;
case PIPE_QUERY_SO_OVERFLOW_PREDICATE:
vresult->b = pq->num_primitives_generated > pq->num_primitives_written;
break;
case PIPE_QUERY_SO_STATISTICS: {
struct pipe_query_data_so_statistics *stats =
(struct pipe_query_data_so_statistics *)vresult;
stats->num_primitives_written = pq->num_primitives_written;
stats->primitives_storage_needed = pq->num_primitives_generated;
}
break;
case PIPE_QUERY_PIPELINE_STATISTICS: {
struct pipe_query_data_pipeline_statistics *stats =
(struct pipe_query_data_pipeline_statistics *)vresult;
/* only ps_invocations come from binned query */
for (i = 0; i < num_threads; i++) {
pq->stats.ps_invocations += pq->end[i];
}
pq->stats.ps_invocations *= LP_RASTER_BLOCK_SIZE * LP_RASTER_BLOCK_SIZE;
*stats = pq->stats;
}
break;
default:
assert(0);
break;
}
return TRUE;
}