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Integrated Chrome tracing

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Added support for chrome tracing by integrating the
minitrace library (github.com/hrydgard/minitrace),
and modified it with a background flushing thread that allows
tracing to continue automatically after the predefined
1 million event limit.

Menu items and an accelerator (Ctr+T) have also been
added. Starting and stopping the trace simply replaces
trace.json with the new trace data.

The feature is disabled by default. Pass MINITRACE=y
to the build command to enable it. Some traces are
already added as an example, however they won't have
any effect if the feature is disabled.
This commit is contained in:
luisjoseromero
2021-02-10 20:22:51 +00:00
parent 16b321d12e
commit c0e7ac3762
12 changed files with 904 additions and 3 deletions
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5
src/video/video.c
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@@ -70,6 +70,7 @@
#include <86box/video.h>
#include <86box/vid_svga.h>
#include <minitrace/minitrace.h>
volatile int screenshots = 0;
bitmap_t *buffer32 = NULL;
@@ -285,6 +286,7 @@ void blit_thread(void *param)
while (1) {
thread_wait_event(blit_data.wake_blit_thread, -1);
thread_reset_event(blit_data.wake_blit_thread);
MTR_BEGIN("video", "blit_thread");
if (blit_func)
blit_func(blit_data.x, blit_data.y,
@@ -292,6 +294,7 @@ void blit_thread(void *param)
blit_data.w, blit_data.h);
blit_data.busy = 0;
MTR_END("video", "blit_thread");
thread_set_event(blit_data.blit_complete);
}
}
@@ -448,6 +451,7 @@ void
video_blit_memtoscreen(int x, int y, int y1, int y2, int w, int h)
{
int yy;
MTR_BEGIN("video", "video_blit_memtoscreen");
if (y2 > 0) {
for (yy = y1; yy < y2; yy++) {
@@ -482,6 +486,7 @@ video_blit_memtoscreen(int x, int y, int y1, int y2, int w, int h)
blit_data.h = h;
thread_set_event(blit_data.wake_blit_thread);
MTR_END("video", "video_blit_memtoscreen");
}