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[client] egl: use eglSwapBuffersWithDamageKHR for cursor-only updates

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Instead of damaging the entire surface when rendering a cursor move,
we can use the EGL_KHR_swap_buffers_with_damage extension to only
damage the part of the window covered by the cursor. This should
reduce the cursor movement latency on Wayland.
This commit is contained in:
Quantum
2021-05-11 16:49:39 -04:00
committed by Geoffrey McRae
parent f9a9953071
commit e70cfd84fb
14 changed files with 140 additions and 15 deletions
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2
client/include/app.h
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@@ -66,7 +66,7 @@ bool app_getProp(LG_DSProperty prop, void * ret);
#ifdef ENABLE_EGL
EGLDisplay app_getEGLDisplay(void);
EGLNativeWindowType app_getEGLNativeWindow(void);
void app_eglSwapBuffers(EGLDisplay display, EGLSurface surface);
void app_eglSwapBuffers(EGLDisplay display, EGLSurface surface, const struct Rect * damage, int count);
#endif
#ifdef ENABLE_OPENGL