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Look up GL_EXTENSIONS the new way in new GL.

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Unknown W. Brackets 2015-12-13 08:38:48 -08:00
parent 4c0051dcfb
commit bf9733f4cb
1 changed files with 18 additions and 5 deletions
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23
ext/native/gfx_es2/gpu_features.cpp
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@ -210,12 +210,25 @@ void CheckGLExtensions() {
}
}
const char *extString = (const char *)glGetString(GL_EXTENSIONS);
if (extString) {
g_all_gl_extensions = extString;
} else {
const char *extString = nullptr;
if (gl_extensions.ver[0] >= 3) {
// Let's use the new way for OpenGL 3.x+, required in the core profile.
GLint numExtensions = 0;
glGetIntegerv(GL_NUM_EXTENSIONS, &numExtensions);
g_all_gl_extensions = "";
extString = "";
for (GLint i = 0; i < numExtensions; ++i) {
g_all_gl_extensions += (const char *)glGetStringi(GL_EXTENSIONS, i);
g_all_gl_extensions += " ";
}
extString = g_all_gl_extensions.c_str();
} else {
extString = (const char *)glGetString(GL_EXTENSIONS);
if (extString) {
g_all_gl_extensions = extString;
} else {
g_all_gl_extensions = "";
extString = "";
}
}
#ifdef WIN32