source/graphics/glcontext.cpp

   1 #include <stdexcept>
   2 #include <msp/strings/format.h>
   3 #include "glcontext.h"
   4 #include "window.h"
   5
   6 using namespace std;
   7
   8 namespace Msp {
   9 namespace Graphics {
  10
  11 GLOptions::GLOptions():
  12         alpha(false),
  13         stencil(false),
  14         doublebuffer(true),
  15         multisample(0),
  16         forward_compatible(false),
  17         core_profile(false),
  18         gl_version_major(DEFAULT_VERSION),
  19         gl_version_minor(DEFAULT_VERSION)
  20 { }
  21
  22
  23 unsupported_gl_mode::unsupported_gl_mode(const GLOptions &opts):
  24         runtime_error(format("{ .alpha=%s, .stencil=%s, .doublebuffer=%s, .multisample=%d, .forward_compatible=%s, .core_profile=%s, .gl_version=%s }",
  25                 opts.alpha, opts.stencil, opts.doublebuffer, opts.multisample, opts.forward_compatible, opts.core_profile, format_version(opts)))
  26 { }
  27
  28 string unsupported_gl_mode::format_version(const GLOptions &opts)
  29 {
  30         if(opts.gl_version_major==GLOptions::LATEST_VERSION)
  31                 return "LATEST";
  32         else if(opts.gl_version_major==GLOptions::DEFAULT_VERSION)
  33                 return "DEFAULT";
  34         else
  35                 return format("%d.%d", opts.gl_version_major, opts.gl_version_minor);
  36 }
  37
  38
  39
  40 GLContext::GLContext(Window &wnd, const GLOptions &opts):
  41         display(wnd.get_display()),
  42         window(wnd)
  43 {
  44         platform_init(opts);
  45
  46         window.signal_resize.connect(sigc::mem_fun(this, &GLContext::window_resized));
  47 }
  48
  49 #ifndef WITH_OPENGL
  50 void GLContext::platform_init(const GLOptions &)
  51 {
  52         throw runtime_error("no OpenGL support");
  53 }
  54
  55 GLContext::~GLContext()
  56 { }
  57
  58 void GLContext::set_swap_interval(unsigned)
  59 { }
  60
  61 void GLContext::swap_buffers()
  62 { }
  63
  64 void GLContext::window_resized(unsigned, unsigned)
  65 { }
  66 #endif
  67
  68 } // namespace Graphics
  69 } // namespace Msp