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authorChia-I Wu <[email protected]>2010-01-12 11:25:02 +0800
committerChia-I Wu <[email protected]>2010-01-12 11:25:02 +0800
commit562c127693200822f04a145db50add1be2425d7b (patch)
tree9441774fb212b17ddf2a364f06abc43f166cc00b /src/gallium/drivers/softpipe/sp_query.c
parente5d351dcfde58777162552cf5cd2a9cd8299f4cd (diff)
parent077d6dd7508af88509dd0499c5dfbdaa186b4015 (diff)
Merge branch 'master' into opengl-es-v2
Conflicts: src/mesa/main/dd.h
Diffstat (limited to 'src/gallium/drivers/softpipe/sp_query.c')
-rw-r--r--src/gallium/drivers/softpipe/sp_query.c26
1 files changed, 26 insertions, 0 deletions
diff --git a/src/gallium/drivers/softpipe/sp_query.c b/src/gallium/drivers/softpipe/sp_query.c
index 379cf4ad064..4ef5d9f7b1d 100644
--- a/src/gallium/drivers/softpipe/sp_query.c
+++ b/src/gallium/drivers/softpipe/sp_query.c
@@ -99,6 +99,32 @@ softpipe_get_query_result(struct pipe_context *pipe,
}
+/**
+ * Called by rendering function to check rendering is conditional.
+ * \return TRUE if we should render, FALSE if we should skip rendering
+ */
+boolean
+softpipe_check_render_cond(struct softpipe_context *sp)
+{
+ struct pipe_context *pipe = &sp->pipe;
+ boolean b, wait;
+ uint64_t result;
+
+ if (!sp->render_cond_query) {
+ return TRUE; /* no query predicate, draw normally */
+ }
+
+ wait = (sp->render_cond_mode == PIPE_RENDER_COND_WAIT ||
+ sp->render_cond_mode == PIPE_RENDER_COND_BY_REGION_WAIT);
+
+ b = pipe->get_query_result(pipe, sp->render_cond_query, wait, &result);
+ if (b)
+ return result > 0;
+ else
+ return TRUE;
+}
+
+
void softpipe_init_query_funcs(struct softpipe_context *softpipe )
{
softpipe->pipe.create_query = softpipe_create_query;