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c/main: Trigger the display refresh rate change request via android API ANativeWindow_setFrameRate

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Part-of: <https://gitlab.freedesktop.org/monado/monado/-/merge_requests/1786>
This commit is contained in:
Zhongwang Zhang 2023-05-25 16:28:59 +08:00 committed by Rylie Pavlik
parent 00b491d11a
commit 7e9c6135be
2 changed files with 27 additions and 1 deletions
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27
src/xrt/compositor/main/comp_compositor.c
View file

@ -85,6 +85,7 @@
#ifdef XRT_OS_ANDROID
#include "android/android_custom_surface.h"
#include "android/android_globals.h"
#include <dlfcn.h>
#endif
#define WINDOW_TITLE "Monado"
@ -327,10 +328,15 @@ compositor_layer_commit(struct xrt_compositor *xc, xrt_graphics_sync_handle_t sy
static xrt_result_t
compositor_get_display_refresh_rate(struct xrt_compositor *xc, float *out_display_refresh_rate_hz)
{
#ifdef XRT_OS_ANDROID
*out_display_refresh_rate_hz =
android_custom_surface_get_display_refresh_rate(android_globals_get_vm(), android_globals_get_context());
#else
struct comp_compositor *c = comp_compositor(xc);
//! @todo: Implement the method to change display refresh rate.
*out_display_refresh_rate_hz = (float)(1. / time_ns_to_s(c->settings.nominal_frame_interval_ns));
#endif
return XRT_SUCCESS;
}
@ -338,7 +344,26 @@ compositor_get_display_refresh_rate(struct xrt_compositor *xc, float *out_displa
static xrt_result_t
compositor_request_display_refresh_rate(struct xrt_compositor *xc, float display_refresh_rate_hz)
{
//! @todo: Implement the method to change display refresh rate.
#ifdef XRT_OS_ANDROID
typedef int32_t (*PF_SETFRAMERATE)(ANativeWindow * window, float frameRate, int8_t compatibility);
// Note that this will just increment the reference count, rather than actually load it again,
// since we are linked for other symbols too.
void *android_handle = dlopen("libandroid.so", RTLD_NOW);
PF_SETFRAMERATE set_frame_rate = (PF_SETFRAMERATE)dlsym(android_handle, "ANativeWindow_setFrameRate");
if (!set_frame_rate) {
U_LOG_E("ANativeWindow_setFrameRate not found");
dlclose(android_handle);
return XRT_SUCCESS;
}
struct ANativeWindow *window = (struct ANativeWindow *)android_globals_get_window();
if (window == NULL || (set_frame_rate(window, display_refresh_rate_hz, 1) != 0)) {
U_LOG_E("set_frame_rate error");
}
dlclose(android_handle);
#else
// Currently not implemented on other platforms.
#endif
return XRT_SUCCESS;
}

1
src/xrt/compositor/main/comp_window_android.c
View file

@ -170,6 +170,7 @@ comp_window_android_init_swapchain(struct comp_target *ct, uint32_t width, uint3
COMP_ERROR(cwa->base.base.c, "could not get ANativeWindow");
return false;
}
android_globals_store_window((struct _ANativeWindow *)window);
ret = comp_window_android_create_surface(cwa, window, &cwa->base.surface.handle);
if (ret != VK_SUCCESS) {