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authoraliaspider2014-10-31 07:47:19 +0100
committeraliaspider2014-10-31 07:47:19 +0100
commit532f3cf63ff1c12eebbc2c2c69cbf886a7e73bf7 (patch)
tree9a4e49e2860e8d2d403e14f250ae9ec4b07de50a
parent8ada6093e7456c833823bb624bb24eb760ea0b14 (diff)
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add a perf counter.
-rw-r--r--Makefile7
-rw-r--r--libretro.c26
2 files changed, 30 insertions, 3 deletions
diff --git a/Makefile b/Makefile
index e63d489..9c60385 100644
--- a/Makefile
+++ b/Makefile
@@ -1,4 +1,5 @@
-DEBUG = 0
+DEBUG = 0
+PERF_TEST = 1
ifeq ($(platform),)
platform = unix
@@ -175,6 +176,10 @@ else
FLAGS += -O3 -DNDEBUG
endif
+ifeq ($(PERF_TEST),1)
+FLAGS += -DPERF_TEST
+endif
+
LDFLAGS += $(fpic) -lz $(SHARED)
FLAGS += $(fpic)
FLAGS += -Isource -I.
diff --git a/libretro.c b/libretro.c
index d553590..f8baac8 100644
--- a/libretro.c
+++ b/libretro.c
@@ -20,10 +20,25 @@ static retro_input_poll_t poll_cb = NULL;
static retro_input_state_t input_cb = NULL;
static retro_audio_sample_batch_t audio_batch_cb = NULL;
static retro_environment_t environ_cb = NULL;
-
-
struct retro_perf_callback perf_cb;
+#ifdef PERF_TEST
+#define RETRO_PERFORMANCE_INIT(name) \
+ retro_perf_tick_t current_ticks;\
+ static struct retro_perf_counter name = {#name};\
+ if (!name.registered) perf_cb.perf_register(&(name));\
+ current_ticks = name.total
+
+#define RETRO_PERFORMANCE_START(name) perf_cb.perf_start(&(name))
+#define RETRO_PERFORMANCE_STOP(name) \
+ perf_cb.perf_stop(&(name));\
+ current_ticks = name.total - current_ticks;
+#else
+#define RETRO_PERFORMANCE_INIT(name)
+#define RETRO_PERFORMANCE_START(name)
+#define RETRO_PERFORMANCE_STOP(name)
+#endif
+
void retro_set_environment(retro_environment_t cb)
{
struct retro_log_callback log;
@@ -354,6 +369,10 @@ void retro_deinit(void)
S9xDeinitDisplay();
S9xDeinitAPU();
Deinit();
+
+#ifdef PERF_TEST
+ perf_cb.perf_log();
+#endif
}
uint32 S9xReadJoypad(int port)
@@ -397,7 +416,10 @@ void retro_run(void)
S9xSetPlaybackRate(32040);
SoundData.echo_enable = FALSE;
+ RETRO_PERFORMANCE_INIT(S9xMainLoop_func);
+ RETRO_PERFORMANCE_START(S9xMainLoop_func);
S9xMainLoop();
+ RETRO_PERFORMANCE_STOP(S9xMainLoop_func);
static int16_t audio_buf[534 << 1];
S9xMixSamples((uint8*)audio_buf, 534 << 1);