// Additional extensions to be advertised
-static const char *extra_extensions[] = {
+static const char *
+extraExtension_stringsFull[] = {
"GL_GREMEDY_string_marker",
"GL_GREMEDY_frame_terminator",
};
-#define NUM_EXTRA_EXTENSIONS (sizeof(extra_extensions)/sizeof(extra_extensions[0]))
+
+static const char *
+extraExtension_stringsES[] = {
+ "GL_EXT_debug_marker",
+};
+
+// Description of additional extensions we want to advertise
+struct ExtensionsDesc
+{
+ unsigned numStrings;
+ const char **strings;
+};
+
+#define ARRAY_SIZE(x) (sizeof(x)/sizeof((x)[0]))
+
+const struct ExtensionsDesc
+extraExtensionsFull = {
+ ARRAY_SIZE(extraExtension_stringsFull),
+ extraExtension_stringsFull
+};
+
+const struct ExtensionsDesc
+extraExtensionsES = {
+ ARRAY_SIZE(extraExtension_stringsES),
+ extraExtension_stringsES
+};
+
+
+const struct ExtensionsDesc *
+getExtraExtensions(void)
+{
+ Context *ctx = getContext();
+
+ switch (ctx->profile) {
+ case PROFILE_COMPAT:
+ return &extraExtensionsFull;
+ case PROFILE_ES1:
+ case PROFILE_ES2:
+ return &extraExtensionsES;
+ default:
+ assert(0);
+ return &extraExtensionsFull;
+ }
+}
/**
static const char *
overrideExtensionsString(const char *extensions)
{
+ const ExtensionsDesc *desc = getExtraExtensions();
size_t i;
ExtensionsMap::const_iterator it = extensionsMap.find(extensions);
return it->second;
}
- size_t extensions_len = strlen(extensions);
+ size_t extensionsLen = strlen(extensions);
- size_t extra_extensions_len = 0;
- for (i = 0; i < NUM_EXTRA_EXTENSIONS; ++i) {
- const char * extra_extension = extra_extensions[i];
- size_t extra_extension_len = strlen(extra_extension);
- extra_extensions_len += extra_extension_len + 1;
+ size_t extraExtensionsLen = 0;
+ for (i = 0; i < desc->numStrings; ++i) {
+ const char * extraExtension = desc->strings[i];
+ size_t extraExtensionLen = strlen(extraExtension);
+ extraExtensionsLen += extraExtensionLen + 1;
}
// We use malloc memory instead of a std::string because we need to ensure
// that extensions strings will not move in memory as the extensionsMap is
// updated.
- size_t new_extensions_len = extensions_len + 1 + extra_extensions_len + 1;
- char *new_extensions = (char *)malloc(new_extensions_len);
- if (!new_extensions) {
+ size_t newExtensionsLen = extensionsLen + 1 + extraExtensionsLen + 1;
+ char *newExtensions = (char *)malloc(newExtensionsLen);
+ if (!newExtensions) {
return extensions;
}
- if (extensions_len) {
- memcpy(new_extensions, extensions, extensions_len);
+ if (extensionsLen) {
+ memcpy(newExtensions, extensions, extensionsLen);
// Add space separator if necessary
- if (new_extensions[extensions_len - 1] != ' ') {
- new_extensions[extensions_len++] = ' ';
+ if (newExtensions[extensionsLen - 1] != ' ') {
+ newExtensions[extensionsLen++] = ' ';
}
}
- for (i = 0; i < NUM_EXTRA_EXTENSIONS; ++i) {
- const char * extra_extension = extra_extensions[i];
- size_t extra_extension_len = strlen(extra_extension);
- memcpy(new_extensions + extensions_len, extra_extension, extra_extension_len);
- extensions_len += extra_extension_len;
- new_extensions[extensions_len++] = ' ';
+ for (i = 0; i < desc->numStrings; ++i) {
+ const char * extraExtension = desc->strings[i];
+ size_t extraExtensionLen = strlen(extraExtension);
+ memcpy(newExtensions + extensionsLen, extraExtension, extraExtensionLen);
+ extensionsLen += extraExtensionLen;
+ newExtensions[extensionsLen++] = ' ';
}
- new_extensions[extensions_len++] = '\0';
- assert(extensions_len <= new_extensions_len);
+ newExtensions[extensionsLen++] = '\0';
+ assert(extensionsLen <= newExtensionsLen);
- extensionsMap[extensions] = new_extensions;
+ extensionsMap[extensions] = newExtensions;
- return new_extensions;
+ return newExtensions;
}
if (params) {
switch (pname) {
case GL_NUM_EXTENSIONS:
- *params += NUM_EXTRA_EXTENSIONS;
+ {
+ const ExtensionsDesc *desc = getExtraExtensions();
+ *params += desc->numStrings;
+ }
break;
default:
break;
switch (name) {
case GL_EXTENSIONS:
{
- GLint num_extensions = 0;
- __glGetIntegerv(GL_NUM_EXTENSIONS, &num_extensions);
- if ((GLuint)num_extensions <= index && index < (GLuint)num_extensions + NUM_EXTRA_EXTENSIONS) {
- return (const GLubyte *)extra_extensions[index - (GLuint)num_extensions];
+ const ExtensionsDesc *desc = getExtraExtensions();
+ GLint numExtensions = 0;
+ __glGetIntegerv(GL_NUM_EXTENSIONS, &numExtensions);
+ if ((GLuint)numExtensions <= index && index < (GLuint)numExtensions + desc->numStrings) {
+ return (const GLubyte *)desc->strings[index - (GLuint)numExtensions];
}
}
break;