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lines changed Original file line number Diff line number Diff line change @@ -20,24 +20,11 @@ AndroidEnvironmentGL::AndroidEnvironmentGL()
2020 return ;
2121 }
2222
23- // See if we can use the EGL_ANDROID_presentation_time extension. This
24- // extension may be available from API18 onward.
25- // If this extension is available, it will be invoked with the target vsync
26- // for the current frame before calling eglSwapBuffers. This helps when the
27- // engine over-stuffs the buffer queue. This can happen when a frame goes over
28- // budget into the next vsync period, and a subsequent frame is quickly
29- // submitted in the same vsync period. Dequeuing buffers will then be slow
30- // until the engine stops submitting frames and lets the GPU catch up.
31- // However, using this extension means the SurfaceFlinger will only use the
32- // newest buffer for the current vsync, and the GPU and CPU will stay more
33- // in sync.
34- // See https://developer.android.com/games/sdk/frame-pacing for more
35- // details and diagrams.
3623 auto * extensions = eglQueryString (display_, EGL_EXTENSIONS);
3724 if (strstr (extensions, " EGL_ANDROID_presentation_time" )) {
3825 presentation_time_proc_ =
3926 reinterpret_cast <PFNEGLPRESENTATIONTIMEANDROIDPROC>(
40- eglGetProcAddress (" eglPresentationTimeANDROID " ));
27+ eglGetProcAddress (" sEGL_ANDROID_presentation_time " ));
4128 }
4229
4330 valid_ = true ;
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