Add the files

1 files changed, 66 insertions, 0 deletions

diff --git a/src/detection/opengl/opengl_apple.c b/src/detection/opengl/opengl_apple.c
new file mode 100644
index 0000000..9128593
--- /dev/null
+++ b/src/detection/opengl/opengl_apple.c
@@ -0,0 +1,66 @@
+
+#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";
+    }
+}