commit 1c3d72a2291827fb15e2ef311a571c860e0dba41
author Jonas Yang <joyang@nvidia.com> Fri Aug 26 20:04:39 2011 +0800
committer Mathias Agopian <mathias@google.com> Tue Sep 13 16:44:22 2011 -0700
tree e56949622008b0b74b681e2b16d6bacf4c2dc7fc
parent ce863622ca5dd357b5e5c0a88d2e02dd00d2ab3c

Add (support for) EGL_NV_system_time extension.

Change-Id: I62bf0fcb5ccdc77c042b425a42054fb3122575b6
Signed-off-by: Mathias Agopian <mathias@google.com>

opengl/libs/EGL/eglApi.cpp

diff --git a/opengl/libs/EGL/eglApi.cpp b/opengl/libs/EGL/eglApi.cpp
index 7e85230..23f67d5 100644
--- a/opengl/libs/EGL/eglApi.cpp
+++ b/opengl/libs/EGL/eglApi.cpp
@@ -62,6 +62,7 @@
         "EGL_KHR_fence_sync "
         "EGL_ANDROID_image_native_buffer "
         "EGL_ANDROID_swap_rectangle "
+        "EGL_NV_system_time "
         ;
 
 struct extention_map_t {
@@ -80,6 +81,10 @@
             (__eglMustCastToProperFunctionPointerType)&eglDestroyImageKHR },
     { "eglSetSwapRectangleANDROID",
             (__eglMustCastToProperFunctionPointerType)&eglSetSwapRectangleANDROID },
+    { "eglGetSystemTimeFrequencyNV",
+            (__eglMustCastToProperFunctionPointerType)&eglGetSystemTimeFrequencyNV },
+    { "eglGetSystemTimeNV",
+            (__eglMustCastToProperFunctionPointerType)&eglGetSystemTimeNV },
 };
 
 // accesses protected by sExtensionMapMutex
@@ -1454,3 +1459,46 @@
     }
     return setError(EGL_BAD_DISPLAY, NULL);
 }
+
+// ----------------------------------------------------------------------------
+// NVIDIA extensions
+// ----------------------------------------------------------------------------
+EGLuint64NV eglGetSystemTimeFrequencyNV()
+{
+    clearError();
+
+    if (egl_init_drivers() == EGL_FALSE) {
+        return setError(EGL_BAD_PARAMETER, EGL_FALSE);
+    }
+
+    EGLuint64NV ret = 0;
+    egl_connection_t* const cnx = &gEGLImpl[IMPL_HARDWARE];
+
+    if (cnx->dso) {
+        if (cnx->egl.eglGetSystemTimeFrequencyNV) {
+            return cnx->egl.eglGetSystemTimeFrequencyNV();
+        }
+    }
+
+    return setError(EGL_BAD_DISPLAY, 0);;
+}
+
+EGLuint64NV eglGetSystemTimeNV()
+{
+    clearError();
+
+    if (egl_init_drivers() == EGL_FALSE) {
+        return setError(EGL_BAD_PARAMETER, EGL_FALSE);
+    }
+
+    EGLuint64NV ret = 0;
+    egl_connection_t* const cnx = &gEGLImpl[IMPL_HARDWARE];
+
+    if (cnx->dso) {
+        if (cnx->egl.eglGetSystemTimeNV) {
+            return cnx->egl.eglGetSystemTimeNV();
+        }
+    }
+
+    return setError(EGL_BAD_DISPLAY, 0);;
+}