Mesa (master): r300g: Utilize DONTBLOCK.
Corbin Simpson
csimpson at kemper.freedesktop.org
Wed Aug 19 04:29:00 UTC 2009
Module: Mesa
Branch: master
Commit: 0086a84e2df92d48d3fb3361daaa1359d920fb31
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=0086a84e2df92d48d3fb3361daaa1359d920fb31
Author: Corbin Simpson <MostAwesomeDude at gmail.com>
Date: Tue Aug 18 18:14:22 2009 -0700
r300g: Utilize DONTBLOCK.
Also ALGYRHYTHMS.
---
src/gallium/drivers/r300/r300_query.c | 27 +++++++++++++++++++--------
1 files changed, 19 insertions(+), 8 deletions(-)
diff --git a/src/gallium/drivers/r300/r300_query.c b/src/gallium/drivers/r300/r300_query.c
index b3a8dc1..1d5185b 100644
--- a/src/gallium/drivers/r300/r300_query.c
+++ b/src/gallium/drivers/r300/r300_query.c
@@ -95,23 +95,34 @@ static boolean r300_get_query_result(struct pipe_context* pipe,
uint64_t* result)
{
struct r300_context* r300 = r300_context(pipe);
+ struct r300_screen* r300screen = r300_screen(r300->context.screen);
struct r300_query* q = (struct r300_query*)query;
+ unsigned flags = PIPE_BUFFER_USAGE_CPU_READ;
uint32_t* map;
uint32_t temp;
+ unsigned i;
if (wait) {
- /* Well, we're expected to just sit here and spin, so let's go ahead
- * and flush so we can be sure that the card's spinning... */
- /* XXX double-check these params */
pipe->flush(pipe, 0, NULL);
+ } else {
+ flags |= PIPE_BUFFER_USAGE_DONTBLOCK;
}
-
- map = pipe->screen->buffer_map(pipe->screen, r300->oqbo,
- PIPE_BUFFER_USAGE_CPU_WRITE);
+ map = pipe->screen->buffer_map(pipe->screen, r300->oqbo, flags);
map += q->offset / 4;
- temp = *map;
- *map = ~0;
+ for (i = 0; i < r300screen->caps->num_frag_pipes; i++) {
+ if (*map == ~0) {
+ /* Looks like our results aren't ready yet. */
+ if (wait) {
+ debug_printf("r300: Despite waiting, OQ results haven't"
+ " come in yet.\n");
+ }
+ temp = ~0;
+ break;
+ }
+ temp += *map;
+ map++;
+ }
pipe->screen->buffer_unmap(pipe->screen, r300->oqbo);
if (temp == ~0) {
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