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-rw-r--r--src/gallium/drivers/r600/r600_query.c208
1 files changed, 201 insertions, 7 deletions
diff --git a/src/gallium/drivers/r600/r600_query.c b/src/gallium/drivers/r600/r600_query.c
index 9b02ae680e7..5929606cd28 100644
--- a/src/gallium/drivers/r600/r600_query.c
+++ b/src/gallium/drivers/r600/r600_query.c
@@ -24,39 +24,233 @@
* Jerome Glisse
* Corbin Simpson
*/
+#include <errno.h>
#include <util/u_inlines.h>
#include <util/u_format.h>
#include <util/u_memory.h>
#include "r600_screen.h"
#include "r600_context.h"
-static struct pipe_query *r600_create_query(struct pipe_context *pipe, unsigned query_type)
+static struct radeon_state *r600_query_begin(struct r600_context *rctx, struct r600_query *rquery)
{
- return NULL;
+ struct r600_screen *rscreen = rctx->screen;
+ struct radeon_state *rstate;
+
+ rstate = radeon_state(rscreen->rw, R600_QUERY_BEGIN_TYPE, R600_QUERY_BEGIN);
+ if (rstate == NULL)
+ return NULL;
+ rstate->states[R600_QUERY__OFFSET] = rquery->num_results;
+ rstate->bo[0] = radeon_bo_incref(rscreen->rw, rquery->buffer);
+ rstate->nbo = 1;
+ rstate->placement[0] = RADEON_GEM_DOMAIN_GTT;
+ if (radeon_state_pm4(rstate)) {
+ radeon_state_decref(rstate);
+ return NULL;
+ }
+ return rstate;
+}
+
+static struct radeon_state *r600_query_end(struct r600_context *rctx, struct r600_query *rquery)
+{
+ struct r600_screen *rscreen = rctx->screen;
+ struct radeon_state *rstate;
+
+ rstate = radeon_state(rscreen->rw, R600_QUERY_END_TYPE, R600_QUERY_END);
+ if (rstate == NULL)
+ return NULL;
+ rstate->states[R600_QUERY__OFFSET] = rquery->num_results + 8;
+ rstate->bo[0] = radeon_bo_incref(rscreen->rw, rquery->buffer);
+ rstate->nbo = 1;
+ rstate->placement[0] = RADEON_GEM_DOMAIN_GTT;
+ if (radeon_state_pm4(rstate)) {
+ radeon_state_decref(rstate);
+ return NULL;
+ }
+ return rstate;
}
-static void r600_destroy_query(struct pipe_context *pipe, struct pipe_query *query)
+static struct pipe_query *r600_create_query(struct pipe_context *ctx, unsigned query_type)
{
+ struct r600_screen *rscreen = r600_screen(ctx->screen);
+ struct r600_context *rctx = r600_context(ctx);
+ struct r600_query *q;
+
+ if (query_type != PIPE_QUERY_OCCLUSION_COUNTER)
+ return NULL;
+
+ q = CALLOC_STRUCT(r600_query);
+ if (!q)
+ return NULL;
+
+ q->type = query_type;
+ LIST_ADDTAIL(&q->list, &rctx->query_list);
+ q->buffer_size = 4096;
+
+ q->buffer = radeon_bo(rscreen->rw, 0, q->buffer_size, 1, NULL);
+ if (!q->buffer) {
+ FREE(q);
+ return NULL;
+ }
+ return (struct pipe_query *)q;
+}
+
+static void r600_destroy_query(struct pipe_context *ctx,
+ struct pipe_query *query)
+{
+ struct r600_screen *rscreen = r600_screen(ctx->screen);
+ struct r600_query *q = r600_query(query);
+
+ radeon_bo_decref(rscreen->rw, q->buffer);
+ LIST_DEL(&q->list);
FREE(query);
}
-static void r600_begin_query(struct pipe_context *pipe, struct pipe_query *query)
+static void r600_query_result(struct pipe_context *ctx, struct r600_query *rquery)
{
+ struct r600_screen *rscreen = r600_screen(ctx->screen);
+ u64 start, end;
+ u32 *results;
+ int i;
+
+ radeon_bo_wait(rscreen->rw, rquery->buffer);
+ radeon_bo_map(rscreen->rw, rquery->buffer);
+ results = rquery->buffer->data;
+ for (i = 0; i < rquery->num_results; i += 4) {
+ start = (u64)results[i] | (u64)results[i + 1] << 32;
+ end = (u64)results[i + 2] | (u64)results[i + 3] << 32;
+ if ((start & 0x8000000000000000UL) && (end & 0x8000000000000000UL)) {
+ rquery->result += end - start;
+ }
+ }
+ radeon_bo_unmap(rscreen->rw, rquery->buffer);
+ rquery->num_results = 0;
}
-static void r600_end_query(struct pipe_context *pipe, struct pipe_query *query)
+static void r600_query_resume(struct pipe_context *ctx, struct r600_query *rquery)
{
+ struct r600_context *rctx = r600_context(ctx);
+
+ if (rquery->num_results >= ((rquery->buffer_size >> 2) - 2)) {
+ /* running out of space */
+ if (!rquery->flushed) {
+ ctx->flush(ctx, 0, NULL);
+ }
+ r600_query_result(ctx, rquery);
+ }
+ rquery->rstate = radeon_state_decref(rquery->rstate);
+ rquery->rstate = r600_query_begin(rctx, rquery);
+ rquery->flushed = false;
+}
+
+static void r600_query_suspend(struct pipe_context *ctx, struct r600_query *rquery)
+{
+ struct r600_context *rctx = r600_context(ctx);
+
+ rquery->rstate = radeon_state_decref(rquery->rstate);
+ rquery->rstate = r600_query_end(rctx, rquery);
+ rquery->num_results += 16;
}
-static boolean r600_get_query_result(struct pipe_context *pipe,
+static void r600_begin_query(struct pipe_context *ctx, struct pipe_query *query)
+{
+ struct r600_context *rctx = r600_context(ctx);
+ struct r600_query *rquery = r600_query(query);
+ int r;
+
+ rquery->state = R600_QUERY_STATE_STARTED;
+ rquery->num_results = 0;
+ rquery->flushed = false;
+ r600_query_resume(ctx, rquery);
+ r = radeon_ctx_set_query_state(rctx->ctx, rquery->rstate);
+ if (r == -EBUSY) {
+ /* this shouldn't happen */
+ R600_ERR("had to flush while emitting end query\n");
+ ctx->flush(ctx, 0, NULL);
+ r = radeon_ctx_set_query_state(rctx->ctx, rquery->rstate);
+ }
+}
+
+static void r600_end_query(struct pipe_context *ctx, struct pipe_query *query)
+{
+ struct r600_context *rctx = r600_context(ctx);
+ struct r600_query *rquery = r600_query(query);
+ int r;
+
+ rquery->state &= ~R600_QUERY_STATE_STARTED;
+ rquery->state |= R600_QUERY_STATE_ENDED;
+ r600_query_suspend(ctx, rquery);
+ r = radeon_ctx_set_query_state(rctx->ctx, rquery->rstate);
+ if (r == -EBUSY) {
+ /* this shouldn't happen */
+ R600_ERR("had to flush while emitting end query\n");
+ ctx->flush(ctx, 0, NULL);
+ r = radeon_ctx_set_query_state(rctx->ctx, rquery->rstate);
+ }
+}
+
+void r600_queries_suspend(struct pipe_context *ctx)
+{
+ struct r600_context *rctx = r600_context(ctx);
+ struct r600_query *rquery;
+ int r;
+
+ LIST_FOR_EACH_ENTRY(rquery, &rctx->query_list, list) {
+ if (rquery->state & R600_QUERY_STATE_STARTED) {
+ r600_query_suspend(ctx, rquery);
+ r = radeon_ctx_set_query_state(rctx->ctx, rquery->rstate);
+ if (r == -EBUSY) {
+ /* this shouldn't happen */
+ R600_ERR("had to flush while emitting end query\n");
+ ctx->flush(ctx, 0, NULL);
+ r = radeon_ctx_set_query_state(rctx->ctx, rquery->rstate);
+ }
+ }
+ rquery->state |= R600_QUERY_STATE_SUSPENDED;
+ }
+}
+
+void r600_queries_resume(struct pipe_context *ctx)
+{
+ struct r600_context *rctx = r600_context(ctx);
+ struct r600_query *rquery;
+ int r;
+
+ LIST_FOR_EACH_ENTRY(rquery, &rctx->query_list, list) {
+ if (rquery->state & R600_QUERY_STATE_STARTED) {
+ r600_query_resume(ctx, rquery);
+ r = radeon_ctx_set_query_state(rctx->ctx, rquery->rstate);
+ if (r == -EBUSY) {
+ /* this shouldn't happen */
+ R600_ERR("had to flush while emitting end query\n");
+ ctx->flush(ctx, 0, NULL);
+ r = radeon_ctx_set_query_state(rctx->ctx, rquery->rstate);
+ }
+ }
+ rquery->state &= ~R600_QUERY_STATE_SUSPENDED;
+ }
+}
+
+static boolean r600_get_query_result(struct pipe_context *ctx,
struct pipe_query *query,
- boolean wait, void *result)
+ boolean wait, void *vresult)
{
+ struct r600_query *rquery = r600_query(query);
+ uint64_t *result = (uint64_t*)vresult;
+
+ if (!rquery->flushed) {
+ ctx->flush(ctx, 0, NULL);
+ rquery->flushed = true;
+ }
+ r600_query_result(ctx, rquery);
+ *result = rquery->result;
+ rquery->result = 0;
return TRUE;
}
void r600_init_query_functions(struct r600_context* rctx)
{
+ LIST_INITHEAD(&rctx->query_list);
+
rctx->context.create_query = r600_create_query;
rctx->context.destroy_query = r600_destroy_query;
rctx->context.begin_query = r600_begin_query;
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-02 12:54:59 +0000