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-rw-r--r--src/gallium/drivers/ilo/ilo_3d.c257
1 files changed, 257 insertions, 0 deletions
diff --git a/src/gallium/drivers/ilo/ilo_3d.c b/src/gallium/drivers/ilo/ilo_3d.c
index 9d01c92def7..8d917c06b71 100644
--- a/src/gallium/drivers/ilo/ilo_3d.c
+++ b/src/gallium/drivers/ilo/ilo_3d.c
@@ -36,11 +36,214 @@
#include "ilo_3d.h"
/**
+ * Begin a query.
+ */
+void
+ilo_3d_begin_query(struct ilo_context *ilo, struct ilo_query *q)
+{
+ struct ilo_3d *hw3d = ilo->hw3d;
+
+ ilo_cp_set_ring(hw3d->cp, ILO_CP_RING_RENDER);
+
+ switch (q->type) {
+ case PIPE_QUERY_OCCLUSION_COUNTER:
+ /* reserve some space for pausing the query */
+ q->reg_cmd_size = ilo_3d_pipeline_estimate_size(hw3d->pipeline,
+ ILO_3D_PIPELINE_WRITE_DEPTH_COUNT, NULL);
+ ilo_cp_reserve_for_pre_flush(hw3d->cp, q->reg_cmd_size);
+
+ q->data.u64 = 0;
+
+ if (ilo_query_alloc_bo(q, 2, -1, hw3d->cp->winsys)) {
+ /* XXX we should check the aperture size */
+ ilo_3d_pipeline_emit_write_depth_count(hw3d->pipeline,
+ q->bo, q->reg_read++);
+
+ list_add(&q->list, &hw3d->occlusion_queries);
+ }
+ break;
+ case PIPE_QUERY_TIMESTAMP:
+ /* nop */
+ break;
+ case PIPE_QUERY_TIME_ELAPSED:
+ /* reserve some space for pausing the query */
+ q->reg_cmd_size = ilo_3d_pipeline_estimate_size(hw3d->pipeline,
+ ILO_3D_PIPELINE_WRITE_TIMESTAMP, NULL);
+ ilo_cp_reserve_for_pre_flush(hw3d->cp, q->reg_cmd_size);
+
+ q->data.u64 = 0;
+
+ if (ilo_query_alloc_bo(q, 2, -1, hw3d->cp->winsys)) {
+ /* XXX we should check the aperture size */
+ ilo_3d_pipeline_emit_write_timestamp(hw3d->pipeline,
+ q->bo, q->reg_read++);
+
+ list_add(&q->list, &hw3d->time_elapsed_queries);
+ }
+ break;
+ case PIPE_QUERY_PRIMITIVES_GENERATED:
+ q->data.u64 = 0;
+ list_add(&q->list, &hw3d->prim_generated_queries);
+ break;
+ case PIPE_QUERY_PRIMITIVES_EMITTED:
+ q->data.u64 = 0;
+ list_add(&q->list, &hw3d->prim_emitted_queries);
+ break;
+ default:
+ assert(!"unknown query type");
+ break;
+ }
+}
+
+/**
+ * End a query.
+ */
+void
+ilo_3d_end_query(struct ilo_context *ilo, struct ilo_query *q)
+{
+ struct ilo_3d *hw3d = ilo->hw3d;
+
+ ilo_cp_set_ring(hw3d->cp, ILO_CP_RING_RENDER);
+
+ switch (q->type) {
+ case PIPE_QUERY_OCCLUSION_COUNTER:
+ list_del(&q->list);
+
+ assert(q->reg_read < q->reg_total);
+ ilo_cp_reserve_for_pre_flush(hw3d->cp, -q->reg_cmd_size);
+ ilo_3d_pipeline_emit_write_depth_count(hw3d->pipeline,
+ q->bo, q->reg_read++);
+ break;
+ case PIPE_QUERY_TIMESTAMP:
+ q->data.u64 = 0;
+
+ if (ilo_query_alloc_bo(q, 1, 1, hw3d->cp->winsys)) {
+ ilo_3d_pipeline_emit_write_timestamp(hw3d->pipeline,
+ q->bo, q->reg_read++);
+ }
+ break;
+ case PIPE_QUERY_TIME_ELAPSED:
+ list_del(&q->list);
+
+ assert(q->reg_read < q->reg_total);
+ ilo_cp_reserve_for_pre_flush(hw3d->cp, -q->reg_cmd_size);
+ ilo_3d_pipeline_emit_write_timestamp(hw3d->pipeline,
+ q->bo, q->reg_read++);
+ break;
+ case PIPE_QUERY_PRIMITIVES_GENERATED:
+ case PIPE_QUERY_PRIMITIVES_EMITTED:
+ list_del(&q->list);
+ break;
+ default:
+ assert(!"unknown query type");
+ break;
+ }
+}
+
+static void
+process_query_for_occlusion_counter(struct ilo_3d *hw3d,
+ struct ilo_query *q)
+{
+ uint64_t *vals, depth_count = 0;
+ int i;
+
+ /* in pairs */
+ assert(q->reg_read % 2 == 0);
+
+ q->bo->map(q->bo, false);
+ vals = q->bo->get_virtual(q->bo);
+ for (i = 1; i < q->reg_read; i += 2)
+ depth_count += vals[i] - vals[i - 1];
+ q->bo->unmap(q->bo);
+
+ /* accumulate so that the query can be resumed if wanted */
+ q->data.u64 += depth_count;
+ q->reg_read = 0;
+}
+
+static uint64_t
+timestamp_to_ns(uint64_t timestamp)
+{
+ /* see ilo_get_timestamp() */
+ return (timestamp & 0xffffffff) * 80;
+}
+
+static void
+process_query_for_timestamp(struct ilo_3d *hw3d, struct ilo_query *q)
+{
+ uint64_t *vals, timestamp;
+
+ assert(q->reg_read == 1);
+
+ q->bo->map(q->bo, false);
+ vals = q->bo->get_virtual(q->bo);
+ timestamp = vals[0];
+ q->bo->unmap(q->bo);
+
+ q->data.u64 = timestamp_to_ns(timestamp);
+ q->reg_read = 0;
+}
+
+static void
+process_query_for_time_elapsed(struct ilo_3d *hw3d, struct ilo_query *q)
+{
+ uint64_t *vals, elapsed = 0;
+ int i;
+
+ /* in pairs */
+ assert(q->reg_read % 2 == 0);
+
+ q->bo->map(q->bo, false);
+ vals = q->bo->get_virtual(q->bo);
+
+ for (i = 1; i < q->reg_read; i += 2)
+ elapsed += vals[i] - vals[i - 1];
+
+ q->bo->unmap(q->bo);
+
+ /* accumulate so that the query can be resumed if wanted */
+ q->data.u64 += timestamp_to_ns(elapsed);
+ q->reg_read = 0;
+}
+
+/**
+ * Process the raw query data.
+ */
+void
+ilo_3d_process_query(struct ilo_context *ilo, struct ilo_query *q)
+{
+ struct ilo_3d *hw3d = ilo->hw3d;
+
+ switch (q->type) {
+ case PIPE_QUERY_OCCLUSION_COUNTER:
+ if (q->bo)
+ process_query_for_occlusion_counter(hw3d, q);
+ break;
+ case PIPE_QUERY_TIMESTAMP:
+ if (q->bo)
+ process_query_for_timestamp(hw3d, q);
+ break;
+ case PIPE_QUERY_TIME_ELAPSED:
+ if (q->bo)
+ process_query_for_time_elapsed(hw3d, q);
+ break;
+ case PIPE_QUERY_PRIMITIVES_GENERATED:
+ case PIPE_QUERY_PRIMITIVES_EMITTED:
+ break;
+ default:
+ assert(!"unknown query type");
+ break;
+ }
+}
+
+/**
* Hook for CP new-batch.
*/
void
ilo_3d_new_cp_batch(struct ilo_3d *hw3d)
{
+ struct ilo_query *q;
+
hw3d->new_batch = true;
/* invalidate the pipeline */
@@ -51,6 +254,26 @@ ilo_3d_new_cp_batch(struct ilo_3d *hw3d)
ilo_3d_pipeline_invalidate(hw3d->pipeline,
ILO_3D_PIPELINE_INVALIDATE_HW);
}
+
+ /* resume occlusion queries */
+ LIST_FOR_EACH_ENTRY(q, &hw3d->occlusion_queries, list) {
+ /* accumulate the result if the bo is alreay full */
+ if (q->reg_read >= q->reg_total)
+ process_query_for_occlusion_counter(hw3d, q);
+
+ ilo_3d_pipeline_emit_write_depth_count(hw3d->pipeline,
+ q->bo, q->reg_read++);
+ }
+
+ /* resume timer queries */
+ LIST_FOR_EACH_ENTRY(q, &hw3d->time_elapsed_queries, list) {
+ /* accumulate the result if the bo is alreay full */
+ if (q->reg_read >= q->reg_total)
+ process_query_for_time_elapsed(hw3d, q);
+
+ ilo_3d_pipeline_emit_write_timestamp(hw3d->pipeline,
+ q->bo, q->reg_read++);
+ }
}
/**
@@ -59,6 +282,21 @@ ilo_3d_new_cp_batch(struct ilo_3d *hw3d)
void
ilo_3d_pre_cp_flush(struct ilo_3d *hw3d)
{
+ struct ilo_query *q;
+
+ /* pause occlusion queries */
+ LIST_FOR_EACH_ENTRY(q, &hw3d->occlusion_queries, list) {
+ assert(q->reg_read < q->reg_total);
+ ilo_3d_pipeline_emit_write_depth_count(hw3d->pipeline,
+ q->bo, q->reg_read++);
+ }
+
+ /* pause timer queries */
+ LIST_FOR_EACH_ENTRY(q, &hw3d->time_elapsed_queries, list) {
+ assert(q->reg_read < q->reg_total);
+ ilo_3d_pipeline_emit_write_timestamp(hw3d->pipeline,
+ q->bo, q->reg_read++);
+ }
}
/**
@@ -86,6 +324,11 @@ ilo_3d_create(struct ilo_cp *cp, int gen, int gt)
hw3d->cp = cp;
hw3d->new_batch = true;
+ list_inithead(&hw3d->occlusion_queries);
+ list_inithead(&hw3d->time_elapsed_queries);
+ list_inithead(&hw3d->prim_generated_queries);
+ list_inithead(&hw3d->prim_emitted_queries);
+
hw3d->pipeline = ilo_3d_pipeline_create(cp, gen, gt);
if (!hw3d->pipeline) {
FREE(hw3d);
@@ -144,6 +387,18 @@ draw_vbo(struct ilo_3d *hw3d, const struct ilo_context *ilo,
prim_generated, prim_emitted);
}
+static void
+update_prim_count(struct ilo_3d *hw3d, int generated, int emitted)
+{
+ struct ilo_query *q;
+
+ LIST_FOR_EACH_ENTRY(q, &hw3d->prim_generated_queries, list)
+ q->data.u64 += generated;
+
+ LIST_FOR_EACH_ENTRY(q, &hw3d->prim_emitted_queries, list)
+ q->data.u64 += emitted;
+}
+
static bool
pass_render_condition(struct ilo_3d *hw3d, struct pipe_context *pipe)
{
@@ -211,6 +466,8 @@ ilo_draw_vbo(struct pipe_context *pipe, const struct pipe_draw_info *info)
hw3d->new_batch = false;
hw3d->shader_cache_seqno = ilo->shader_cache->seqno;
+ update_prim_count(hw3d, prim_generated, prim_emitted);
+
if (ilo_debug & ILO_DEBUG_NOCACHE)
ilo_3d_pipeline_emit_flush(hw3d->pipeline);
}