From 655fe281556679669699052f37412a6243771619 Mon Sep 17 00:00:00 2001 From: Marek Olšák Date: Sun, 4 Apr 2010 08:59:09 +0200 Subject: r300g: add conditional rendering --- src/gallium/drivers/r300/r300_query.c | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) (limited to 'src/gallium/drivers/r300/r300_query.c') diff --git a/src/gallium/drivers/r300/r300_query.c b/src/gallium/drivers/r300/r300_query.c index f8b52d593d..1778dc9cca 100644 --- a/src/gallium/drivers/r300/r300_query.c +++ b/src/gallium/drivers/r300/r300_query.c @@ -159,10 +159,33 @@ static boolean r300_get_query_result(struct pipe_context* pipe, 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; + } +} + void r300_init_query_functions(struct r300_context* r300) { 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; } -- cgit v1.2.3