added a gl swapinterval test
diff --git a/opengl/tests/swapinterval/swapinterval.cpp b/opengl/tests/swapinterval/swapinterval.cpp
new file mode 100644
index 0000000..f51d882
--- /dev/null
+++ b/opengl/tests/swapinterval/swapinterval.cpp
@@ -0,0 +1,124 @@
+/*
+**
+** Copyright 2006, The Android Open Source Project
+**
+** Licensed under the Apache License, Version 2.0 (the "License");
+** you may not use this file except in compliance with the License.
+** You may obtain a copy of the License at
+**
+** http://www.apache.org/licenses/LICENSE-2.0
+**
+** Unless required by applicable law or agreed to in writing, software
+** distributed under the License is distributed on an "AS IS" BASIS,
+** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+** See the License for the specific language governing permissions and
+** limitations under the License.
+*/
+
+#define LOG_TAG "fillrate"
+
+#include <stdlib.h>
+#include <stdio.h>
+
+#include <EGL/egl.h>
+#include <GLES/gl.h>
+#include <GLES/glext.h>
+
+#include <utils/StopWatch.h>
+#include <ui/FramebufferNativeWindow.h>
+
+using namespace android;
+
+int main(int argc, char** argv)
+{
+ EGLint configAttribs[] = {
+ EGL_DEPTH_SIZE, 0,
+ EGL_NONE
+ };
+
+ EGLint numConfigs = -1, n=0;
+ EGLint majorVersion;
+ EGLint minorVersion;
+ EGLConfig config;
+ EGLContext context;
+ EGLSurface surface;
+ EGLint w, h;
+
+ EGLDisplay dpy;
+
+ dpy = eglGetDisplay(EGL_DEFAULT_DISPLAY);
+ eglInitialize(dpy, &majorVersion, &minorVersion);
+
+ // Get all the "potential match" configs...
+ eglGetConfigs(dpy, NULL, 0, &numConfigs);
+ EGLConfig* const configs = (EGLConfig*)malloc(sizeof(EGLConfig)*numConfigs);
+ eglChooseConfig(dpy, configAttribs, configs, numConfigs, &n);
+ config = configs[0];
+ if (n > 1) {
+ // if there is more than one candidate, go through the list
+ // and pick one that matches our framebuffer format
+ int fbSzA = 0; // should not hardcode
+ int fbSzR = 5; // should not hardcode
+ int fbSzG = 6; // should not hardcode
+ int fbSzB = 5; // should not hardcode
+ int i;
+ for (i=0 ; i<n ; i++) {
+ EGLint r,g,b,a;
+ eglGetConfigAttrib(dpy, configs[i], EGL_RED_SIZE, &r);
+ eglGetConfigAttrib(dpy, configs[i], EGL_GREEN_SIZE, &g);
+ eglGetConfigAttrib(dpy, configs[i], EGL_BLUE_SIZE, &b);
+ eglGetConfigAttrib(dpy, configs[i], EGL_ALPHA_SIZE, &a);
+ if (fbSzA == a && fbSzR == r && fbSzG == g && fbSzB == b) {
+ config = configs[i];
+ break;
+ }
+ }
+ }
+ free(configs);
+
+ surface = eglCreateWindowSurface(dpy, config,
+ android_createDisplaySurface(), NULL);
+ context = eglCreateContext(dpy, config, NULL, NULL);
+ eglMakeCurrent(dpy, surface, surface, context);
+ eglQuerySurface(dpy, surface, EGL_WIDTH, &w);
+ eglQuerySurface(dpy, surface, EGL_HEIGHT, &h);
+
+ printf("w=%d, h=%d\n", w, h);
+
+ glDisable(GL_DITHER);
+ glEnable(GL_BLEND);
+
+ glViewport(0, 0, w, h);
+ glOrthof(0, w, 0, h, 0, 1);
+
+ eglSwapInterval(dpy, 1);
+
+ glClearColor(1,0,0,0);
+ glClear(GL_COLOR_BUFFER_BIT);
+ eglSwapBuffers(dpy, surface);
+
+
+ int time = 10;
+ printf("screen should flash red/green quickly for %d s...\n", time);
+
+ int c = 0;
+ nsecs_t start = systemTime();
+ nsecs_t t;
+ do {
+ glClearColor(1,0,0,0);
+ glClear(GL_COLOR_BUFFER_BIT);
+ eglSwapBuffers(dpy, surface);
+ glClearColor(0,1,0,0);
+ glClear(GL_COLOR_BUFFER_BIT);
+ eglSwapBuffers(dpy, surface);
+ t = systemTime() - start;
+ c += 2;
+ } while (int(ns2s(t))<=time);
+
+ double p = (double(t) / c) / 1000000000.0;
+ printf("refresh-rate is %f fps (%f ms)\n", 1.0f/p, p*1000.0);
+
+ eglTerminate(dpy);
+
+ return 0;
+}