# HG changeset patch
# User Matti Hamalainen <ccr@tnsp.org>
# Date 1576371229 -7200
# Node ID e8100c1c5d997927a07c057be47751952705049d
# Parent  d6ffc59bb84d0d4f424f2c833d092df669a3253e
Move option settings from globals to main().

diff -r d6ffc59bb84d -r e8100c1c5d99 gldragon.cpp
--- a/gldragon.cpp	Sat Dec 14 20:13:32 2019 +0200
+++ b/gldragon.cpp	Sun Dec 15 02:53:49 2019 +0200
@@ -20,17 +20,14 @@
 #define SET_MAX_SHADER_SIZE  (128 * 1024)
 
 
-/* Options
- */
-bool   optUseShaders = false;
-int    optWidth = SET_DEF_WIDTH,
-       optHeight = SET_DEF_HEIGHT,
-       optVSyncMode = 1;
 
 
 /* Helpers
  */
-bool dmInitSDL(DMSimpleRenderer &renderer, const int width, const int height, const char *title)
+bool dmInitSDL(DMSimpleRenderer &renderer,
+    const int width, const int height,
+    const int vsyncMode,
+    const char *title)
 {
     int ret;
     std::string msg;
@@ -50,7 +47,7 @@
         return false;
 
     // Check if we want to attempt to use vsync
-    switch (optVSyncMode)
+    switch (vsyncMode)
     {
         case 3:
             ret = SDL_GL_SetSwapInterval(-1);
@@ -97,15 +94,21 @@
 
 int main(int argc, char *argv[])
 {
-    int startTime, cycleStart, cycleFrames = 0, totalFrames = 0;
-    double totalTime;
     bool
         exitFlag = false,
         optShowHelp = false,
-        optSetInputFilename = false;
+        optSetInputFilename = false,
+        optUseShaders = false;
+
+    int optWidth = SET_DEF_WIDTH,
+        optHeight = SET_DEF_HEIGHT,
+        optVSyncMode = 1;
+
     std::string optInputFilename = "dragon.scene", basePath;
     DMGLSimpleRenderer renderer;
     DMSimpleScene scene;
+    int startTime, cycleStart, cycleFrames = 0, totalFrames = 0;
+    double totalTime;
 
     // Check commandline argument for enabling shaders
     for (int narg = 1; narg < argc; narg++)
@@ -247,7 +250,7 @@
     renderer.useShaders = optUseShaders;
 
     // Initialize SDL + OpenGL
-    if (!dmInitSDL(renderer, optWidth, optHeight, "GLDragon"))
+    if (!dmInitSDL(renderer, optWidth, optHeight, optVSyncMode, "GLDragon"))
         goto exit;
 
     // Compile shaders for scene