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Fixed a few special cases with extension names mapping

This commit is contained in:
Caspian Rychlik-Prince 2004-07-06 16:57:37 +00:00
parent dddf3daedd
commit 08f33be35b
1 changed files with 29 additions and 10 deletions
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39
src/java/org/lwjgl/opengl/GLContext.java
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@ -281,6 +281,7 @@ public final class GLContext {
}
}
addExtensionClass(exts, exts_names, "EXTTextureCompressionS3TC", "");
String extensions_string = GL11.glGetString(GL11.GL_EXTENSIONS);
StringTokenizer tokenizer = new StringTokenizer(extensions_string);
while (tokenizer.hasMoreTokens()) {
@ -289,16 +290,28 @@ public final class GLContext {
int gl_prefix_index = extension_string.indexOf("GL_");
if (gl_prefix_index == -1)
continue;
for (int i = gl_prefix_index + 3; i < extension_string.length(); i++) {
char c;
if (extension_string.charAt(i) == '_') {
i++;
c = Character.toUpperCase(extension_string.charAt(i));
} else
c = extension_string.charAt(i);
converted_name.append(c);
System.out.println(extension_string);
if (extension_string.equals("GL_EXT_texture_compression_s3tc")) {
// Special workaround
addExtensionClass(exts, exts_names, "EXTTextureCompressionS3TC", "GL_EXT_texture_compression_s3tc");
} else if (extension_string.equals("GL_EXT_texture_lod_bias")) {
// Special workaround
addExtensionClass(exts, exts_names, "EXTTextureLODBias", "GL_EXT_texture_lod_bias");
} else if (extension_string.equals("GL_NV_texture_compression_vtc")) {
// Special workaround
addExtensionClass(exts, exts_names, "NVTextureCompressionVTC", "GL_NV_texture_compression_vtc");
} else {
for (int i = gl_prefix_index + 3; i < extension_string.length(); i++) {
char c;
if (extension_string.charAt(i) == '_') {
i++;
c = Character.toUpperCase(extension_string.charAt(i));
} else
c = extension_string.charAt(i);
converted_name.append(c);
}
addExtensionClass(exts, exts_names, converted_name.toString(), extension_string);
}
addExtensionClass(exts, exts_names, converted_name.toString(), extension_string);
}
addExtensionClass(exts, exts_names, "ARBBufferObject", null);
addExtensionClass(exts, exts_names, "ARBProgram", null);
@ -306,14 +319,20 @@ public final class GLContext {
}
private static void addExtensionClass(Map exts, Set exts_names, String ext_class_name, String ext_name) {
if (ext_name != null)
if (ext_name != null) {
if (exts_names.contains(ext_name)) {
// Already added; ignore
return;
}
exts_names.add(ext_name);
}
try {
Class extension_class = Class.forName("org.lwjgl.opengl." + ext_class_name);
extension_class.getDeclaredMethod("initNativeStubs", null); // check for existance of initNativeStubs method
exts.put(extension_class, ext_name);
} catch (ClassNotFoundException e) {
// ignore
Sys.log("No support for "+ext_class_name+" in LWJGL "+Sys.VERSION+": "+e);
} catch (NoSuchMethodException e) {
// ignore
}