X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=blobdiff_plain;f=source%2Fextension.cpp;h=a095986123dd535d192881c2870649ae8e936e43;hp=efa4b1a29c9fab1d820b5749217d02515fdf25e6;hb=HEAD;hpb=08abb340625c6d281496095f2a664f27570c2b64

diff --git a/source/extension.cpp b/source/extension.cpp
deleted file mode 100644
index efa4b1a2..00000000
--- a/source/extension.cpp
+++ /dev/null
@@ -1,168 +0,0 @@
-#include <set>
-#if !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);
-}
-
-inline Version _get_gl_version()
-{
-	string gl_ver = reinterpret_cast<const char *>(glGetString(GL_VERSION));
-	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));
-	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
-#else
-	return glXGetProcAddressARB(reinterpret_cast<const unsigned char *>(name.c_str()));
-#endif
-}
-
-} // namespace GL
-} // namespace Msp