Move all OpenGL-specific code to a separate directory

[libs/gl.git] / source / core / backend.cpp

diff --git a/source/core/backend.cpp b/source/core/backend.cpp
index c3e159f427ef339c4a9e46f4418cfb28e17f4ed1..ac9e22b7d2a5ebadc7606d7dc9e065862921c18e 100644 (file)
--- a/source/core/backend.cpp
+++ b/source/core/backend.cpp
@@ -1,9 +1,6 @@
-#include <stdexcept>
-#include <cstdlib>
 #include <msp/strings/lexicalcast.h>
 #include <msp/strings/utils.h>
 #include "backend.h"
-#include "gl.h"
 
 using namespace std;
 
@@ -34,43 +31,5 @@ bool Version::operator>=(const Version &other) const
        return major>other.major || (major==other.major && minor>=other.minor);
 }
 
-
-GraphicsApi get_backend_api()
-{
-#ifdef GL_ES_VERSION_2_0
-       return OPENGL_ES;
-#else
-       return OPENGL;
-#endif
-}
-
-inline Version get_gl_version()
-{
-       const char *gl_ver_ptr = reinterpret_cast<const char *>(glGetString(GL_VERSION));
-       if(!gl_ver_ptr)
-               throw runtime_error("OpenGL version not available");
-
-       string gl_ver = gl_ver_ptr;
-       if(!gl_ver.compare(0, 10, "OpenGL ES "))
-               gl_ver.erase(0, 10);
-
-       Version ver(gl_ver.substr(0, gl_ver.find(' ')));
-
-       if(const char *force_ver_ptr = getenv("MSPGL_FORCE_VERSION"))
-       {
-               Version force_ver(force_ver_ptr);
-               if(force_ver<ver)
-                       ver = force_ver;
-       }
-
-       return ver;
-}
-
-const Version &get_backend_version()
-{
-       static Version version = get_gl_version();
-       return version;
-}
-
 } // namespace GL
 } // namespace Msp