source/graphics/glcontext.cpp

   1 #include "glcontext.h"
   2 #include <stdexcept>
   3 #include <msp/strings/format.h>
   4 #include "window.h"
   5
   6 using namespace std;
   7
   8 namespace Msp {
   9 namespace Graphics {
  10
  11 unsupported_gl_mode::unsupported_gl_mode(const GLOptions &opts):
  12         runtime_error(format("{ .alpha=%s, .stencil=%s, .doublebuffer=%s, .multisample=%d, .forward_compatible=%s, .core_profile=%s, .gl_version=%s }",
  13                 opts.alpha, opts.stencil, opts.doublebuffer, opts.multisample, opts.forward_compatible, opts.core_profile, format_version(opts)))
  14 { }
  15
  16 string unsupported_gl_mode::format_version(const GLOptions &opts)
  17 {
  18         if(opts.gl_version_major==GLOptions::LATEST_VERSION)
  19                 return "LATEST";
  20         else if(opts.gl_version_major==GLOptions::DEFAULT_VERSION)
  21                 return "DEFAULT";
  22         else
  23                 return format("%d.%d", opts.gl_version_major, opts.gl_version_minor);
  24 }
  25
  26
  27
  28 GLContext::GLContext(Window &wnd, const GLOptions &opts):
  29         display(wnd.get_display()),
  30         window(wnd)
  31 {
  32         platform_init(opts);
  33
  34         window.signal_resize.connect(sigc::mem_fun(this, &GLContext::window_resized));
  35 }
  36
  37 #ifndef WITH_OPENGL
  38 void GLContext::platform_init(const GLOptions &)
  39 {
  40         throw runtime_error("no OpenGL support");
  41 }
  42
  43 GLContext::~GLContext()
  44 { }
  45
  46 void GLContext::set_swap_interval(unsigned)
  47 { }
  48
  49 void GLContext::swap_buffers()
  50 { }
  51
  52 void GLContext::window_resized(unsigned, unsigned)
  53 { }
  54 #endif
  55
  56 } // namespace Graphics
  57 } // namespace Msp