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gl-renderer: Add support for fence sync extensions

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Check for the EGL_KHR_fence_sync and EGL_ANDROID_native_fence_sync
extensions and get pointers to required extension functions.

These extensions allow us to acquire GPU timestamp information
asynchronously, and are required by the upcoming work to add
rendering begin/end timepoints to the weston timeline.

Signed-off-by: Alexandros Frantzis <alexandros.frantzis@collabora.com>
Reviewed-by: Pekka Paalanen <pekka.paalanen@collabora.co.uk>
This commit is contained in:
Alexandros Frantzis
2017-09-27 15:09:14 +03:00
committed by Pekka Paalanen
parent 75d38ef1ed
commit 7192b17f3e
2 changed files with 32 additions and 0 deletions
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shared/weston-egl-ext.h
+16
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@@ -176,6 +176,22 @@ typedef EGLSurface (EGLAPIENTRYP PFNEGLCREATEPLATFORMPIXMAPSURFACEEXTPROC) (EGLD
#define EGL_PLATFORM_X11_KHR 0x31D5
#endif
#ifndef EGL_KHR_cl_event2
#define EGL_KHR_cl_event2 1
typedef void *EGLSyncKHR;
#endif /* EGL_KHR_cl_event2 */
#ifndef EGL_KHR_fence_sync
#define EGL_KHR_fence_sync 1
typedef EGLSyncKHR (EGLAPIENTRYP PFNEGLCREATESYNCKHRPROC) (EGLDisplay dpy, EGLenum type, const EGLint *attrib_list);
typedef EGLBoolean (EGLAPIENTRYP PFNEGLDESTROYSYNCKHRPROC) (EGLDisplay dpy, EGLSyncKHR sync);
#endif /* EGL_KHR_fence_sync */
#ifndef EGL_ANDROID_native_fence_sync
#define EGL_ANDROID_native_fence_sync 1
typedef EGLint (EGLAPIENTRYP PFNEGLDUPNATIVEFENCEFDANDROIDPROC) (EGLDisplay dpy, EGLSyncKHR sync);
#endif /* EGL_ANDROID_native_fence_sync */
#else /* ENABLE_EGL */
/* EGL platform definition are keept to allow compositor-xx.c to build */