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Implement Pacer #18

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Implement Pacer #18

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2 changes: 1 addition & 1 deletion server/src/ems/CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -16,7 +16,7 @@ target_include_directories(ems_callbacks PUBLIC . ${GLIB_INCLUDE_DIRS})

add_subdirectory(gst)

add_library(comp_ems STATIC ems_compositor.cpp ems_compositor.h)
add_library(comp_ems STATIC ems_compositor.cpp ems_pacer.cpp)
target_link_libraries(
comp_ems
PUBLIC xrt-interfaces
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21 changes: 17 additions & 4 deletions server/src/ems/ems_compositor.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -35,6 +35,8 @@
#include "vk/vk_cmd.h"
#include "vk/vk_cmd_pool.h"

#include "ems_pacer.h"

#include <stdio.h>
#include <stdarg.h>

Expand All @@ -56,6 +58,7 @@


DEBUG_GET_ONCE_LOG_OPTION(log, "XRT_COMPOSITOR_LOG", U_LOGGING_INFO)
DEBUG_GET_ONCE_BOOL_OPTION(enable_ems_pacer, "ENABLE_EMS_PACER", 0)


/*
Expand Down Expand Up @@ -262,10 +265,20 @@ compositor_init_vulkan(struct ems_compositor *c)
static bool
compositor_init_pacing(struct ems_compositor *c)
{
xrt_result_t xret = u_pc_fake_create(c->settings.frame_interval_ns, os_monotonic_get_ns(), &c->upc);
if (xret != XRT_SUCCESS) {
EMS_COMP_ERROR(c, "Failed to create fake pacing helper!");
return false;
if (debug_get_bool_option_enable_ems_pacer()) {
// We have our own EM pacer !
xrt_result_t xret = u_ems_pc_create(c->settings.frame_interval_ns, os_monotonic_get_ns(), &c->upc);
if (xret != XRT_SUCCESS) {
EMS_COMP_ERROR(c, "Failed to create EMS Pacer");
return false;
}
} else {
// Let's use monado's fake pacer helper
xrt_result_t xret = u_pc_fake_create(c->settings.frame_interval_ns, os_monotonic_get_ns(), &c->upc);
if (xret != XRT_SUCCESS) {
EMS_COMP_ERROR(c, "Failed to create fake pacing helper!");
return false;
}
}

return true;
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