From 493220dcb8d2f5d9633c157b41e1e27c6613b21d Mon Sep 17 00:00:00 2001
From: Jason Sams <rjsams@android.com>
Date: Tue, 1 Sep 2009 20:41:05 -0700
Subject: [PATCH] Simple app to create a gl2 context and dump the strings.

---
 opengl/tests/gl2_basic/Android.mk    | 19 +++++++
 opengl/tests/gl2_basic/gl2_basic.cpp | 85 ++++++++++++++++++++++++++++
 2 files changed, 104 insertions(+)
 create mode 100644 opengl/tests/gl2_basic/Android.mk
 create mode 100644 opengl/tests/gl2_basic/gl2_basic.cpp

diff --git a/opengl/tests/gl2_basic/Android.mk b/opengl/tests/gl2_basic/Android.mk
new file mode 100644
index 000000000..a642eafef
--- /dev/null
+++ b/opengl/tests/gl2_basic/Android.mk
@@ -0,0 +1,19 @@
+LOCAL_PATH:= $(call my-dir)
+include $(CLEAR_VARS)
+
+LOCAL_SRC_FILES:= \
+	gl2_basic.cpp
+
+LOCAL_SHARED_LIBRARIES := \
+	libcutils \
+    libEGL \
+    libGLESv2 \
+    libui
+
+LOCAL_MODULE:= test-opengl-gl2_basic
+
+LOCAL_MODULE_TAGS := optional
+
+LOCAL_CFLAGS := -DGL_GLEXT_PROTOTYPES
+
+include $(BUILD_EXECUTABLE)
diff --git a/opengl/tests/gl2_basic/gl2_basic.cpp b/opengl/tests/gl2_basic/gl2_basic.cpp
new file mode 100644
index 000000000..705794a0d
--- /dev/null
+++ b/opengl/tests/gl2_basic/gl2_basic.cpp
@@ -0,0 +1,85 @@
+/*
+ * Copyright (C) 2007 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.
+ */
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <time.h>
+#include <sched.h>
+#include <sys/resource.h>
+
+#include <EGL/egl.h>
+#include <GLES/gl.h>
+#include <GLES/glext.h>
+
+#include <utils/Timers.h>
+
+#include <ui/FramebufferNativeWindow.h>
+#include <ui/EGLUtils.h>
+
+using namespace android;
+
+static void printGLString(const char *name, GLenum s)
+{
+     const char *v = (const char *)glGetString(s);
+     if (v)
+         printf("GL %s = %s\n", name, v);
+     else
+         printf("GL %s = (null)\n", name);
+}
+
+int main(int argc, char** argv)
+{
+    EGLint s_configAttribs[] = {
+         EGL_SURFACE_TYPE, EGL_WINDOW_BIT,
+         EGL_RED_SIZE,       5,
+         EGL_GREEN_SIZE,     6,
+         EGL_BLUE_SIZE,      5,
+         EGL_NONE
+     };
+
+     EGLint numConfigs = -1;
+     EGLint majorVersion;
+     EGLint minorVersion;
+     EGLConfig config;
+     EGLContext context;
+     EGLSurface surface;
+     EGLint w, h;
+
+     EGLDisplay dpy;
+
+     EGLNativeWindowType window = 0;
+     window = android_createDisplaySurface();
+
+     dpy = eglGetDisplay(EGL_DEFAULT_DISPLAY);
+     eglInitialize(dpy, &majorVersion, &minorVersion);
+     EGLUtils::selectConfigForNativeWindow(dpy, s_configAttribs, window, &config);
+     surface = eglCreateWindowSurface(dpy, config, window, NULL);
+
+    EGLint gl2_0Attribs[] = {EGL_CONTEXT_CLIENT_VERSION, 2, EGL_NONE};
+
+     context = eglCreateContext(dpy, config, NULL, gl2_0Attribs);
+     eglMakeCurrent(dpy, surface, surface, context);
+     eglQuerySurface(dpy, surface, EGL_WIDTH, &w);
+     eglQuerySurface(dpy, surface, EGL_HEIGHT, &h);
+     GLint dim = w<h ? w : h;
+
+     printGLString("Version", GL_VERSION);
+     printGLString("Vendor", GL_VENDOR);
+     printGLString("Renderer", GL_RENDERER);
+     printGLString("Extensions", GL_EXTENSIONS);
+
+     return 0;
+}