Move local writer definitions to a separate header file.

[apitrace] / glretrace_main.cpp

diff --git a/glretrace_main.cpp b/glretrace_main.cpp
index 7c836bade456ef84d109fd25ce897fd0a0617c86..978a34eef38b2f9b9811abf59b819a7354ad372f 100644 (file)
--- a/glretrace_main.cpp
+++ b/glretrace_main.cpp
@@ -118,6 +118,11 @@ updateDrawable(int width, int height) {
         return;
     }
 
+    // Ignore zero area viewports
+    if (width == 0 || height == 0) {
+        return;
+    }
+
     // Check for bound framebuffer last, as this may have a performance impact.
     GLint draw_framebuffer = 0;
     glGetIntegerv(GL_DRAW_FRAMEBUFFER_BINDING, &draw_framebuffer);
@@ -254,7 +259,7 @@ static void usage(void) {
         "  -sb          use a single buffer visual\n"
         "  -s PREFIX    take snapshots; `-` for PNM stdout output\n"
         "  -S FREQUENCY snapshot frequency: frame (default), framebuffer, or draw\n"
-        "  -v           verbose output\n"
+        "  -v           increase output verbosity\n"
         "  -D CALLNO    dump state at specific call no\n"
         "  -w           wait on final frame\n";
 }