X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=blobdiff_plain;f=source%2Fextension.cpp;h=a095986123dd535d192881c2870649ae8e936e43;hp=d4acedaf1213ac55817b6d30715db1b7364c95d1;hb=HEAD;hpb=269a74980e2db1ee5004b643f23c2607a77ead58

diff --git a/source/extension.cpp b/source/extension.cpp
deleted file mode 100644
index d4acedaf..00000000
--- a/source/extension.cpp
+++ /dev/null
@@ -1,103 +0,0 @@
-#include <set>
-#ifndef WIN32
-#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 {
-
-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");
-
-		init_done = true;
-	}
-
-	return extensions.count(ext);
-}
-
-const Version &get_gl_version()
-{
-	static Version version;
-	static bool init_done = false;
-
-	if(!init_done)
-	{
-		string gl_ver = reinterpret_cast<const char *>(glGetString(GL_VERSION));
-		vector<string> parts = split(gl_ver.substr(0, gl_ver.find(' ')), '.');
-		version.major = lexical_cast<unsigned>(parts[0]);
-		version.minor = lexical_cast<unsigned>(parts[1]);
-
-		init_done = true;
-	}
-
-	return version;
-}
-
-bool is_version_at_least(unsigned a, unsigned b)
-{
-	const Version &ver = get_gl_version();
-	return (ver.major>a || (ver.major==a && ver.minor>=b));
-}
-
-ExtFunc *get_proc_address(const string &name)
-{
-#ifndef WIN32
-	return glXGetProcAddressARB(reinterpret_cast<const unsigned char *>(name.c_str()));
-#else
-	return reinterpret_cast<ExtFunc *>(wglGetProcAddress(name.c_str()));
-#endif
-}
-
-} // namespace GL
-} // namespace Msp