Check the flat qualifier from the correct member

[libs/gl.git] / source / extension.cpp

diff --git a/source/extension.cpp b/source/extension.cpp
deleted file mode 100644 (file)
index 023510d..0000000
--- a/source/extension.cpp
+++ /dev/null
@@ -1,188 +0,0 @@
-#include <set>
-#include <cstdlib>
-#if defined(__ANDROID__)
-#include <EGL/egl.h>
-#elif !defined(WIN32) && !defined(__APPLE__)
-#define GLX_GLXEXT_PROTOTYPES
-#include <GL/glx.h>
-#endif
-#include <msp/strings/format.h>
-#include <msp/strings/utils.h>
-#include "error.h"
-#include "extension.h"
-#include "gl.h"
-
-using namespace std;
-
-namespace Msp {
-namespace GL {
-
-Version::Version()
-{
-       major = 0;
-       minor = 0;
-}
-
-Version::Version(unsigned short a, unsigned short i)
-{
-       major = a;
-       minor = i;
-}
-
-Version::Version(const string &s)
-{
-       vector<string> parts = split(s, '.');
-       major = lexical_cast<unsigned>(parts[0]);
-       minor = lexical_cast<unsigned>(parts[1]);
-}
-
-bool Version::operator>=(const Version &other) const
-{
-       return major>other.major || (major==other.major && minor>=other.minor);
-}
-
-
-Extension::Extension(const char *n, InitFunc f):
-       name(n),
-       init_func(f),
-       init_done(false),
-       support(UNSUPPORTED)
-{ }
-
-Extension::operator bool() const
-{
-       if(!init_done)
-       {
-               support = init_func();
-               init_done = true;
-       }
-
-       return support>UNSUPPORTED;
-}
-
-
-Require::Require(const Extension &ext)
-{
-       if(!ext)
-               throw unsupported_extension(ext.get_name());
-}
-
-
-bool is_supported(const string &ext)
-{
-       static set<string> extensions;
-       static bool init_done = false;
-
-       if(!init_done)
-       {
-               if(const char *gl_ext = reinterpret_cast<const char *>(glGetString(GL_EXTENSIONS)))
-               {
-                       vector<string> exts = split(gl_ext);
-                       extensions.insert(exts.begin(), exts.end());
-               }
-
-               string renderer = reinterpret_cast<const char *>(glGetString(GL_RENDERER));
-               if(renderer.find("Radeon")!=string::npos)
-               {
-                       /* Radeon doesn't process NV_primitive_restart correctly and treats
-                       the restart index as a normal element if the indices are stored in a
-                       buffer. */
-                       extensions.erase("GL_NV_primitive_restart");
-
-                       /* AMD's uniform buffer objects only work with the core version of
-                       shaders. */
-                       if(!(get_gl_version()>=Version(2, 0)))
-                               extensions.erase("GL_ARB_uniform_buffer_object");
-               }
-
-               if(const char *disable_ptr = getenv("MSPGL_DISABLE_EXTENSIONS"))
-               {
-                       vector<string> disable = split(disable_ptr);
-                       for(vector<string>::const_iterator i=disable.begin(); i!=disable.end(); ++i)
-                               extensions.erase(*i);
-               }
-
-               init_done = true;
-       }
-
-       return extensions.count(ext);
-}
-
-GLApi get_gl_api()
-{
-#ifdef GL_ES_VERSION_2_0
-       return OPENGL_ES2;
-#else
-       return OPENGL;
-#endif
-}
-
-inline Version _get_gl_version()
-{
-       string gl_ver = reinterpret_cast<const char *>(glGetString(GL_VERSION));
-       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_gl_version()
-{
-       static Version version = _get_gl_version();
-       return version;
-}
-
-inline Version _get_glsl_version()
-{
-       string glsl_ver = reinterpret_cast<const char *>(glGetString(GL_SHADING_LANGUAGE_VERSION));
-       if(!glsl_ver.compare(0, 18, "OpenGL ES GLSL ES "))
-               glsl_ver.erase(0, 18);
-
-       Version ver(glsl_ver.substr(0, glsl_ver.find(' ')));
-
-       if(const char *force_ver_ptr = getenv("MSPGL_FORCE_GLSL_VERSION"))
-       {
-               Version force_ver(force_ver_ptr);
-               if(!(force_ver>=ver))
-                       ver = force_ver;
-       }
-
-       return ver;
-}
-
-const Version &get_glsl_version()
-{
-       static Version version = _get_glsl_version();
-       return version;
-}
-
-bool is_version_at_least(unsigned a, unsigned b)
-{
-       return get_gl_version()>=Version(a, b);
-}
-
-ExtFunc *get_proc_address(const string &name)
-{
-#if defined(WIN32)
-       return reinterpret_cast<ExtFunc *>(wglGetProcAddress(name.c_str()));
-#elif defined(__APPLE__)
-       (void)name;
-       return 0;  // Not supported
-#elif defined(__ANDROID__)
-       return eglGetProcAddress(name.c_str());
-#else
-       return glXGetProcAddressARB(reinterpret_cast<const unsigned char *>(name.c_str()));
-#endif
-}
-
-} // namespace GL
-} // namespace Msp