Make ambient occlusion edge detection threshold adjustable

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

diff --git a/source/extension.cpp b/source/extension.cpp
index 51a84db695465038d0732df53f1d84c6e31cbb2c..a095986123dd535d192881c2870649ae8e936e43 100644 (file)
--- a/source/extension.cpp
+++ b/source/extension.cpp
@@ -79,6 +79,9 @@ Require::Require(const Extension &ext)
 
 bool is_supported(const string &ext)
 {
+       if(is_disabled(ext))
+               return false;
+
        static set<string> extensions;
        static bool init_done = false;
 
@@ -139,6 +142,9 @@ bool is_disabled(const string &ext)
                                buffer. */
                                disabled_exts.insert("GL_NV_primitive_restart");
 
+                               // The core primitive restart feature does not work either.
+                               disabled_exts.insert("GL_MSP_primitive_restart");
+
                                /* AMD's uniform buffer objects only work with the core version of
                                shaders. */
                                if(get_gl_version()<Version(2, 0))
@@ -195,7 +201,7 @@ inline Version _get_gl_version()
        if(const char *force_ver_ptr = getenv("MSPGL_FORCE_VERSION"))
        {
                Version force_ver(force_ver_ptr);
-               if(!(force_ver>=ver))
+               if(force_ver<ver)
                        ver = force_ver;
        }
 
@@ -223,7 +229,7 @@ inline Version _get_glsl_version()
        if(const char *force_ver_ptr = getenv("MSPGL_FORCE_GLSL_VERSION"))
        {
                Version force_ver(force_ver_ptr);
-               if(!(force_ver>=ver))
+               if(force_ver<ver)
                        ver = force_ver;
        }
 
@@ -238,7 +244,7 @@ const Version &get_glsl_version()
 
 ExtFunc *get_proc_address(const string &name)
 {
-#if defined(WIN32)
+#if defined(_WIN32)
        return reinterpret_cast<ExtFunc *>(wglGetProcAddress(name.c_str()));
 #elif defined(__APPLE__)
        (void)name;