1 files changed, 4 insertions, 71 deletions
diff --git a/platform/default/headless_display.cpp b/platform/default/headless_display.cpp
index b98aef7903..4ab111f775 100644
--- a/platform/default/headless_display.cpp
+++ b/platform/default/headless_display.cpp
@@ -1,82 +1,15 @@
 #include <mbgl/platform/default/headless_display.hpp>
 
-#if MBGL_USE_GLX
-#include <GL/glx.h>
-#endif
-
-#include <cstring>
-#include <stdexcept>
-#include <string>
-
 namespace mbgl {
 
-HeadlessDisplay::HeadlessDisplay() {
-#if MBGL_USE_CGL
-    // TODO: test if OpenGL 4.1 with GL_ARB_ES2_compatibility is supported
-    // If it is, use kCGLOGLPVersion_3_2_Core and enable that extension.
-    CGLPixelFormatAttribute attributes[] = {
-        kCGLPFAOpenGLProfile,
-        static_cast<CGLPixelFormatAttribute>(kCGLOGLPVersion_Legacy),
-        static_cast<CGLPixelFormatAttribute>(0)
-    };
-
-    GLint num;
-    CGLError error = CGLChoosePixelFormat(attributes, &pixelFormat, &num);
-    if (error != kCGLNoError) {
-        throw std::runtime_error(std::string("Error choosing pixel format:") + CGLErrorString(error) + "\n");
-    }
-    if (num <= 0) {
-        throw std::runtime_error("No pixel formats found.");
-    }
-#endif
-
-#if MBGL_USE_GLX
-    if (!XInitThreads()) {
-        throw std::runtime_error("Failed to XInitThreads.");
-    }
+class HeadlessDisplay::Impl {};
 
-    xDisplay = XOpenDisplay(nullptr);
-    if (xDisplay == nullptr) {
-        throw std::runtime_error("Failed to open X display.");
-    }
-
-    const char *extensions = reinterpret_cast<const char *>(glXQueryServerString(xDisplay, DefaultScreen(xDisplay), GLX_EXTENSIONS));
-    if (!extensions) {
-        throw std::runtime_error("Cannot read GLX extensions.");
-    }
-    if (!strstr(extensions,"GLX_SGIX_fbconfig")) {
-        throw std::runtime_error("Extension GLX_SGIX_fbconfig was not found.");
-    }
-    if (!strstr(extensions, "GLX_SGIX_pbuffer")) {
-        throw std::runtime_error("Cannot find glXCreateContextAttribsARB.");
-    }
-
-    // We're creating a dummy pbuffer anyway that we're not using.
-    static int pixelFormat[] = {
-        GLX_DRAWABLE_TYPE, GLX_PBUFFER_BIT,
-        None
-    };
-
-    int configs = 0;
-    fbConfigs = glXChooseFBConfig(xDisplay, DefaultScreen(xDisplay), pixelFormat, &configs);
-    if (fbConfigs == nullptr) {
-        throw std::runtime_error("Failed to glXChooseFBConfig.");
-    }
-    if (configs <= 0) {
-        throw std::runtime_error("No Framebuffer configurations.");
-    }
-#endif
+HeadlessDisplay::HeadlessDisplay() {
+    // no-op
 }
 
 HeadlessDisplay::~HeadlessDisplay() {
-#if MBGL_USE_CGL
-    CGLDestroyPixelFormat(pixelFormat);
-#endif
-
-#if MBGL_USE_GLX
-    XFree(fbConfigs);
-    XCloseDisplay(xDisplay);
-#endif
+    // no-op
 }
 
 } // namespace mbgl