emulator opengl: the host renderer executable.

This is the host renderer executable. It is a small process which
just calls into libOpenglRender library. The process is invoked
through the initOpenGLRenderer function of libOpenglRenderer.

Change-Id: I85af075b5eb751ffb9543ecbd8e7fc155054f146

tools/emulator/opengl/host/renderer/main.cpp

@@ -0,0 +1,109 @@
+/*
+* Copyright (C) 2011 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 "RenderServer.h"
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include "FrameBuffer.h"
+
+static void printUsage(const char *progName)
+{
+    fprintf(stderr, "Usage: %s -windowid <windowid> [options]\n", progName);
+    fprintf(stderr, "    -windowid <windowid>   - window id to render into\n");
+    fprintf(stderr, "    -port <portNum>        - listening TCP port number\n");
+    fprintf(stderr, "    -x <num>               - render subwindow x position\n");
+    fprintf(stderr, "    -y <num>               - render subwindow y position\n");
+    fprintf(stderr, "    -width <num>           - render subwindow width\n");
+    fprintf(stderr, "    -height <num>          - render subwindow height\n");
+    exit(-1);
+}
+
+int main(int argc, char *argv[])
+{
+    int portNum = 4141;
+    int winX = 0;
+    int winY = 0;
+    int winWidth = 320;
+    int winHeight = 480;
+    FBNativeWindowType windowId = NULL;
+    int iWindowId  = 0;
+
+    //
+    // Parse command line arguments
+    //
+    for (int i=1; i<argc; i++) {
+        if (!strcmp(argv[i], "-windowid")) {
+            if (++i >= argc || sscanf(argv[i],"%d", &iWindowId) != 1) {
+                printUsage(argv[0]);
+            }
+        }
+        else if (!strncmp(argv[i], "-port", 5)) {
+            if (++i >= argc || sscanf(argv[i],"%d", &portNum) != 1) {
+                printUsage(argv[0]);
+            }
+        }
+        else if (!strncmp(argv[i], "-x", 2)) {
+            if (++i >= argc || sscanf(argv[i],"%d", &winX) != 1) {
+                printUsage(argv[0]);
+            }
+        }
+        else if (!strncmp(argv[i], "-y", 2)) {
+            if (++i >= argc || sscanf(argv[i],"%d", &winY) != 1) {
+                printUsage(argv[0]);
+            }
+            i++;
+        }
+        else if (!strncmp(argv[i], "-width", 6)) {
+            if (++i >= argc || sscanf(argv[i],"%d", &winWidth) != 1) {
+                printUsage(argv[0]);
+            }
+        }
+        else if (!strncmp(argv[i], "-height", 7)) {
+            if (++i >= argc || sscanf(argv[i],"%d", &winHeight) != 1) {
+                printUsage(argv[0]);
+            }
+        }
+    }
+
+    windowId = (FBNativeWindowType)iWindowId;
+    if (!windowId) {
+        // window id must be provided
+        printUsage(argv[0]);
+    }
+
+    //
+    // initialize Framebuffer
+    //
+    bool inited = FrameBuffer::initialize(windowId,
+                                          winX, winY, winWidth, winHeight);
+    if (!inited) {
+        fprintf(stderr,"Failed to initialize Framebuffer\n");
+        return -1;
+    }
+
+    //
+    // Create and run a render server listening to the givven port number
+    //
+    RenderServer *server = RenderServer::create(portNum);
+    if (!server) {
+        fprintf(stderr,"Cannot initialize render server\n");
+        return -1;
+    }
+
+    server->Main(); // never returns
+
+    return 0;
+}