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#include "fastfetch.h"
#include "opengl.h"
#define GL_SILENCE_DEPRECATION
#include <OpenGL/gl.h>
#include <OpenGL/OpenGL.h> // This brings in CGL, not GL
void ffOpenGLHandleResult(FFOpenGLResult* result, __typeof__(&glGetString) ffglGetString);
static const char* cglHandleContext(FFOpenGLResult* result, CGLContextObj context) {
if (CGLSetCurrentContext(context) != kCGLNoError) {
return "CGLSetCurrentContext() failed";
}
ffOpenGLHandleResult(result, &glGetString);
GLint major, minor;
CGLGetVersion(&major, &minor);
ffStrbufSetF(&result->library, "CGL %d.%d", major, minor);
return NULL;
}
static const char* cglHandlePixelFormat(FFOpenGLResult* result, CGLPixelFormatObj pixelFormat) {
CGLContextObj context;
if (CGLCreateContext(pixelFormat, NULL, &context) != kCGLNoError) {
return "CGLCreateContext() failed";
}
const char* error = cglHandleContext(result, context);
CGLDestroyContext(context);
return error;
}
const char* cglDetectOpenGL(FFOpenGLResult* result) {
CGLPixelFormatObj pixelFormat;
CGLPixelFormatAttribute attrs[] = {
kCGLPFAOpenGLProfile, (CGLPixelFormatAttribute) kCGLOGLPVersion_3_2_Core, kCGLPFAAccelerated, 0
};
GLint num;
if (CGLChoosePixelFormat(attrs, &pixelFormat, &num) != kCGLNoError) {
return "CGLChoosePixelFormat() failed";
}
const char* error = cglHandlePixelFormat(result, pixelFormat);
CGLDestroyPixelFormat(pixelFormat);
return error;
}
const char* ffDetectOpenGL(FFOpenGLOptions* options, FFOpenGLResult* result) {
if (options->library == FF_OPENGL_LIBRARY_AUTO) {
return cglDetectOpenGL(result);
} else if (options->library == FF_OPENGL_LIBRARY_EGL) {
#if __has_include(<EGL/egl.h>)
const char* ffOpenGLDetectByEGL(FFOpenGLResult * result);
return ffOpenGLDetectByEGL(result);
#else
return "fastfetch was compiled without egl support";
#endif
} else {
return "Unsupported OpenGL library";
}
}
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