Trying to create a more detaild way to configure the library, added runtime information, added an OpenGL graphics driver that renders a button on top of an OpenGL window (see test/cube).

git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3-porting@11006 ea41ed52-d2ee-0310-a9c1-e6b18d33e121

1 files changed, 3 insertions, 0 deletions

diff --git a/src/gl_draw.cxx b/src/gl_draw.cxx
index d8500ac75..2fa8f8380 100644
--- a/src/gl_draw.cxx
+++ b/src/gl_draw.cxx
@@ -469,6 +469,8 @@ void gl_texture_fifo::display_texture(int rank)
 // pre-computes a string texture
 int gl_texture_fifo::compute_texture(const char* str, int n)
 {
+  Fl_Graphics_Driver *prev_driver = fl_graphics_driver;
+  fl_graphics_driver = Fl_Display_Device::display_device()->driver();
   current = (current + 1) % size_;
   if (current > last) last = current;
   if ( fifo[current].utf8 ) free(fifo[current].utf8);
@@ -510,6 +512,7 @@ int gl_texture_fifo::compute_texture(const char* str, int n)
   } else {
     fifo[current].ratio = float(fifo[current].width)/glutStrokeLength(GLUT_STROKE_ROMAN, (uchar*)fifo[current].utf8);
   }
+  fl_graphics_driver = prev_driver;
   return current;
 }