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-rw-r--r--src/gallium/drivers/r300/r300_debug.c1
-rw-r--r--src/gallium/drivers/r300/r300_query.c62
-rw-r--r--src/gallium/drivers/r300/r300_screen.h1
3 files changed, 58 insertions, 6 deletions
diff --git a/src/gallium/drivers/r300/r300_debug.c b/src/gallium/drivers/r300/r300_debug.c
index abf3296699d..a6cd86e3920 100644
--- a/src/gallium/drivers/r300/r300_debug.c
+++ b/src/gallium/drivers/r300/r300_debug.c
@@ -38,6 +38,7 @@ static const struct debug_named_value debug_options[] = {
{ "anisohq", DBG_ANISOHQ, "High quality anisotropic filtering (for benchmarking)" },
{ "notiling", DBG_NO_TILING, "Disable tiling (for benchmarking)" },
{ "noimmd", DBG_NO_IMMD, "Disable immediate mode (for benchmarking)" },
+ { "fakeocc", DBG_FAKE_OCC, "Use fake occlusion queries (for lulz)" },
{ "stats", DBG_STATS, "Gather statistics (for lulz)" },
/* must be last */
diff --git a/src/gallium/drivers/r300/r300_query.c b/src/gallium/drivers/r300/r300_query.c
index 42cb6ade763..10cb468dfcc 100644
--- a/src/gallium/drivers/r300/r300_query.c
+++ b/src/gallium/drivers/r300/r300_query.c
@@ -171,11 +171,61 @@ static void r300_render_condition(struct pipe_context *pipe,
}
}
+/***************************************************************************
+ * 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) {
- 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;
+ 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;
+ }
}
diff --git a/src/gallium/drivers/r300/r300_screen.h b/src/gallium/drivers/r300/r300_screen.h
index 16888eadc70..29cd5dbe267 100644
--- a/src/gallium/drivers/r300/r300_screen.h
+++ b/src/gallium/drivers/r300/r300_screen.h
@@ -76,6 +76,7 @@ static INLINE struct r300_screen* r300_screen(struct pipe_screen* screen) {
#define DBG_ANISOHQ (1 << 16)
#define DBG_NO_TILING (1 << 17)
#define DBG_NO_IMMD (1 << 18)
+#define DBG_FAKE_OCC (1 << 19)
/* Statistics. */
#define DBG_STATS (1 << 24)
/*@}*/