summaryrefslogtreecommitdiff
path: root/src/gallium/drivers/r300/r300_query.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/gallium/drivers/r300/r300_query.c')
-rw-r--r--src/gallium/drivers/r300/r300_query.c231
1 files changed, 231 insertions, 0 deletions
diff --git a/src/gallium/drivers/r300/r300_query.c b/src/gallium/drivers/r300/r300_query.c
new file mode 100644
index 0000000000..10cb468dfc
--- /dev/null
+++ b/src/gallium/drivers/r300/r300_query.c
@@ -0,0 +1,231 @@
+/*
+ * Copyright 2009 Corbin Simpson <MostAwesomeDude@gmail.com>
+ *
+ * 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
+ * on the rights to use, copy, modify, merge, publish, distribute, sub
+ * license, 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 (including the next
+ * paragraph) 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 NON-INFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHOR(S) AND/OR THEIR SUPPLIERS 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. */
+
+#include "util/u_memory.h"
+#include "util/u_simple_list.h"
+
+#include "r300_context.h"
+#include "r300_screen.h"
+#include "r300_emit.h"
+#include "r300_winsys.h"
+
+#include <stdio.h>
+
+static struct pipe_query *r300_create_query(struct pipe_context *pipe,
+ unsigned query_type)
+{
+ struct r300_context *r300 = r300_context(pipe);
+ struct r300_screen *r300screen = r300->screen;
+ struct r300_query *q;
+
+ assert(query_type == PIPE_QUERY_OCCLUSION_COUNTER);
+
+ q = CALLOC_STRUCT(r300_query);
+ if (!q)
+ return NULL;
+
+ q->type = query_type;
+ q->domain = R300_DOMAIN_GTT;
+ q->buffer_size = 4096;
+
+ if (r300screen->caps.family == CHIP_FAMILY_RV530)
+ q->num_pipes = r300screen->caps.num_z_pipes;
+ else
+ q->num_pipes = r300screen->caps.num_frag_pipes;
+
+ insert_at_tail(&r300->query_list, q);
+
+ /* Open up the occlusion query buffer. */
+ q->buffer = r300->rws->buffer_create(r300->rws, 4096, 0, q->domain, q->buffer_size);
+
+ return (struct pipe_query*)q;
+}
+
+static void r300_destroy_query(struct pipe_context* pipe,
+ struct pipe_query* query)
+{
+ struct r300_context *r300 = r300_context(pipe);
+ struct r300_query* q = r300_query(query);
+
+ r300->rws->buffer_reference(r300->rws, &q->buffer, NULL);
+ remove_from_list(q);
+ FREE(query);
+}
+
+void r300_resume_query(struct r300_context *r300,
+ struct r300_query *query)
+{
+ r300->query_current = query;
+ r300->query_start.dirty = TRUE;
+}
+
+static void r300_begin_query(struct pipe_context* pipe,
+ struct pipe_query* query)
+{
+ struct r300_context* r300 = r300_context(pipe);
+ struct r300_query* q = r300_query(query);
+
+ if (r300->query_current != NULL) {
+ fprintf(stderr, "r300: begin_query: "
+ "Some other query has already been started.\n");
+ assert(0);
+ return;
+ }
+
+ q->num_results = 0;
+ r300_resume_query(r300, q);
+}
+
+void r300_stop_query(struct r300_context *r300)
+{
+ r300_emit_query_end(r300);
+ r300->query_current = NULL;
+}
+
+static void r300_end_query(struct pipe_context* pipe,
+ struct pipe_query* query)
+{
+ struct r300_context* r300 = r300_context(pipe);
+ struct r300_query *q = r300_query(query);
+
+ if (q != r300->query_current) {
+ fprintf(stderr, "r300: end_query: Got invalid query.\n");
+ assert(0);
+ return;
+ }
+
+ r300_stop_query(r300);
+}
+
+static boolean r300_get_query_result(struct pipe_context* pipe,
+ struct pipe_query* query,
+ boolean wait,
+ void* vresult)
+{
+ struct r300_context* r300 = r300_context(pipe);
+ struct r300_query *q = r300_query(query);
+ unsigned flags, i;
+ uint32_t temp, *map;
+ uint64_t *result = (uint64_t*)vresult;
+
+ if (!q->flushed)
+ pipe->flush(pipe, 0, NULL);
+
+ flags = PIPE_TRANSFER_READ | (!wait ? PIPE_TRANSFER_DONTBLOCK : 0);
+
+ map = r300->rws->buffer_map(r300->rws, q->buffer, flags);
+ if (!map)
+ return FALSE;
+
+ /* Sum up the results. */
+ temp = 0;
+ for (i = 0; i < q->num_results; i++) {
+ temp += *map;
+ map++;
+ }
+
+ r300->rws->buffer_unmap(r300->rws, q->buffer);
+
+ *result = temp;
+ return TRUE;
+}
+
+static void r300_render_condition(struct pipe_context *pipe,
+ struct pipe_query *query,
+ uint mode)
+{
+ struct r300_context *r300 = r300_context(pipe);
+ uint64_t result;
+ boolean wait;
+
+ if (query) {
+ wait = mode == PIPE_RENDER_COND_WAIT ||
+ mode == PIPE_RENDER_COND_BY_REGION_WAIT;
+
+ if (!r300_get_query_result(pipe, query, wait, &result)) {
+ r300->skip_rendering = FALSE;
+ }
+
+ r300->skip_rendering = result == 0;
+ } else {
+ r300->skip_rendering = FALSE;
+ }
+}
+
+/***************************************************************************
+ * Fake occlusion queries (for debugging)
+ ***************************************************************************/
+
+static unsigned r300_fake_query;
+
+static struct pipe_query *r300_fake_create_query(struct pipe_context *pipe,
+ unsigned query_type)
+{
+ return (struct pipe_query*)&r300_fake_query;
+}
+
+static void r300_fake_destroy_query(struct pipe_context* pipe,
+ struct pipe_query* query)
+{
+}
+
+static void r300_fake_begin_query(struct pipe_context* pipe,
+ struct pipe_query* query)
+{
+}
+
+static void r300_fake_end_query(struct pipe_context* pipe,
+ struct pipe_query* query)
+{
+}
+
+static boolean r300_fake_get_query_result(struct pipe_context* pipe,
+ struct pipe_query* query,
+ boolean wait, void* vresult)
+{
+ uint64_t *result = (uint64_t*)vresult;
+ *result = 1000000;
+ return TRUE;
+}
+
+static void r300_fake_render_condition(struct pipe_context *pipe,
+ struct pipe_query *query, uint mode)
+{
+}
+
+void r300_init_query_functions(struct r300_context* r300) {
+ if (DBG_ON(r300, DBG_FAKE_OCC)) {
+ r300->context.create_query = r300_fake_create_query;
+ r300->context.destroy_query = r300_fake_destroy_query;
+ r300->context.begin_query = r300_fake_begin_query;
+ r300->context.end_query = r300_fake_end_query;
+ r300->context.get_query_result = r300_fake_get_query_result;
+ r300->context.render_condition = r300_fake_render_condition;
+ } else {
+ r300->context.create_query = r300_create_query;
+ r300->context.destroy_query = r300_destroy_query;
+ r300->context.begin_query = r300_begin_query;
+ r300->context.end_query = r300_end_query;
+ r300->context.get_query_result = r300_get_query_result;
+ r300->context.render_condition = r300_render_condition;
+ }
+}
generated by cgit v1.2.3 (git 2.39.1) at 2025-06-11 10:45:29 +0000