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comp: Add XRT_COMPOSITOR_DEFAULT_FRAMERATE variable, default to 60

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This variable only has an effect if
* The compositor is not run in direct mode (which uses the actual refresh interval of the chosen mode)
* The HMD driver does not default to a refresh ate by settting hmd->screens[0].nominal_frame_interval_ns
This commit is contained in:
Christoph Haag 2020-12-10 16:36:22 +01:00
parent 99e8416cac
commit ada506513f
1 changed files with 4 additions and 2 deletions

6
src/xrt/compositor/main/comp_settings.c
View file

@ -25,15 +25,17 @@ DEBUG_GET_ONCE_NUM_OPTION(desired_mode, "XRT_COMPOSITOR_DESIRED_MODE", -1)
DEBUG_GET_ONCE_NUM_OPTION(scale_percentage, "XRT_COMPOSITOR_SCALE_PERCENTAGE", 140)
DEBUG_GET_ONCE_BOOL_OPTION(xcb_fullscreen, "XRT_COMPOSITOR_XCB_FULLSCREEN", false)
DEBUG_GET_ONCE_NUM_OPTION(xcb_display, "XRT_COMPOSITOR_XCB_DISPLAY", -1)
DEBUG_GET_ONCE_NUM_OPTION(default_framerate, "XRT_COMPOSITOR_DEFAULT_FRAMERATE", 60)
// clang-format on
void
comp_settings_init(struct comp_settings *s, struct xrt_device *xdev)
{
int default_framerate = debug_get_num_option_default_framerate();
uint64_t interval_ns = xdev->hmd->screens[0].nominal_frame_interval_ns;
if (interval_ns == 0) {
// 60hz
interval_ns = (1000 * 1000 * 1000) / 60;
interval_ns = (1000 * 1000 * 1000) / default_framerate;
}
s->display = debug_get_num_option_xcb_display();