1 files changed, 0 insertions, 238 deletions
diff --git a/platform/x11/detect_prime.cpp b/platform/x11/detect_prime.cpp
deleted file mode 100644
index d79fd00118..0000000000
--- a/platform/x11/detect_prime.cpp
+++ /dev/null
@@ -1,238 +0,0 @@
-/*************************************************************************/
-/*  detect_prime.cpp                                                     */
-/*************************************************************************/
-/*                       This file is part of:                           */
-/*                           GODOT ENGINE                                */
-/*                      https://godotengine.org                          */
-/*************************************************************************/
-/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur.                 */
-/* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md).   */
-/*                                                                       */
-/* Permission is hereby granted, free of charge, to any person obtaining */
-/* a copy of this software and associated documentation files (the       */
-/* "Software"), to deal in the Software without restriction, including   */
-/* without limitation the rights to use, copy, modify, merge, publish,   */
-/* distribute, sublicense, and/or sell copies of the Software, and to    */
-/* permit persons to whom the Software is furnished to do so, subject to */
-/* the following conditions:                                             */
-/*                                                                       */
-/* The above copyright notice and this permission notice shall be        */
-/* included in all copies or substantial portions of the Software.       */
-/*                                                                       */
-/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
-/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
-/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
-/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
-/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
-/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
-/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
-/*************************************************************************/
-
-#ifdef X11_ENABLED
-#if defined(OPENGL_ENABLED)
-
-#include "detect_prime.h"
-
-#include "core/print_string.h"
-#include "core/ustring.h"
-
-#include <stdlib.h>
-
-#include <GL/gl.h>
-#include <GL/glx.h>
-#include <X11/Xlib.h>
-#include <X11/Xutil.h>
-
-#include <cstring>
-
-#include <sys/types.h>
-#include <sys/wait.h>
-#include <unistd.h>
-
-#define GLX_CONTEXT_MAJOR_VERSION_ARB 0x2091
-#define GLX_CONTEXT_MINOR_VERSION_ARB 0x2092
-
-typedef GLXContext (*GLXCREATECONTEXTATTRIBSARBPROC)(Display *, GLXFBConfig, GLXContext, Bool, const int *);
-
-struct vendor {
-	const char *glxvendor;
-	int priority;
-};
-
-vendor vendormap[] = {
-	{ "Advanced Micro Devices, Inc.", 30 },
-	{ "NVIDIA Corporation", 30 },
-	{ "X.Org", 30 },
-	{ "Intel Open Source Technology Center", 20 },
-	{ "Intel", 20 },
-	{ "nouveau", 10 },
-	{ "Mesa Project", 0 },
-	{ NULL, 0 }
-};
-
-// Runs inside a child. Exiting will not quit the engine.
-void create_context() {
-	Display *x11_display = XOpenDisplay(NULL);
-	Window x11_window;
-	GLXContext glx_context;
-
-	GLXCREATECONTEXTATTRIBSARBPROC glXCreateContextAttribsARB = (GLXCREATECONTEXTATTRIBSARBPROC)glXGetProcAddress((const GLubyte *)"glXCreateContextAttribsARB");
-
-	static int visual_attribs[] = {
-		GLX_RENDER_TYPE, GLX_RGBA_BIT,
-		GLX_DRAWABLE_TYPE, GLX_WINDOW_BIT,
-		GLX_DOUBLEBUFFER, true,
-		GLX_RED_SIZE, 1,
-		GLX_GREEN_SIZE, 1,
-		GLX_BLUE_SIZE, 1,
-		GLX_DEPTH_SIZE, 24,
-		None
-	};
-
-	int fbcount;
-	GLXFBConfig fbconfig = 0;
-	XVisualInfo *vi = NULL;
-
-	XSetWindowAttributes swa;
-	swa.event_mask = StructureNotifyMask;
-	swa.border_pixel = 0;
-	unsigned long valuemask = CWBorderPixel | CWColormap | CWEventMask;
-
-	GLXFBConfig *fbc = glXChooseFBConfig(x11_display, DefaultScreen(x11_display), visual_attribs, &fbcount);
-	if (!fbc)
-		exit(1);
-
-	vi = glXGetVisualFromFBConfig(x11_display, fbc[0]);
-
-	fbconfig = fbc[0];
-
-	static int context_attribs[] = {
-		GLX_CONTEXT_MAJOR_VERSION_ARB, 3,
-		GLX_CONTEXT_MINOR_VERSION_ARB, 3,
-		GLX_CONTEXT_PROFILE_MASK_ARB, GLX_CONTEXT_CORE_PROFILE_BIT_ARB,
-		GLX_CONTEXT_FLAGS_ARB, GLX_CONTEXT_FORWARD_COMPATIBLE_BIT_ARB,
-		None
-	};
-
-	glx_context = glXCreateContextAttribsARB(x11_display, fbconfig, NULL, true, context_attribs);
-
-	swa.colormap = XCreateColormap(x11_display, RootWindow(x11_display, vi->screen), vi->visual, AllocNone);
-	x11_window = XCreateWindow(x11_display, RootWindow(x11_display, vi->screen), 0, 0, 10, 10, 0, vi->depth, InputOutput, vi->visual, valuemask, &swa);
-
-	if (!x11_window)
-		exit(1);
-
-	glXMakeCurrent(x11_display, x11_window, glx_context);
-	XFree(vi);
-}
-
-int detect_prime() {
-	pid_t p;
-	int priorities[2];
-	String vendors[2];
-	String renderers[2];
-
-	vendors[0] = "Unknown";
-	vendors[1] = "Unknown";
-	renderers[0] = "Unknown";
-	renderers[1] = "Unknown";
-
-	for (int i = 0; i < 2; ++i) {
-		int fdset[2];
-
-		if (pipe(fdset) == -1) {
-			print_verbose("Failed to pipe(), using default GPU");
-			return 0;
-		}
-
-		// Fork so the driver initialization can crash without taking down the engine.
-		p = fork();
-
-		if (p > 0) {
-			// Main thread
-
-			int stat_loc = 0;
-			char string[201];
-			string[200] = '\0';
-
-			close(fdset[1]);
-
-			waitpid(p, &stat_loc, 0);
-
-			if (!stat_loc) {
-				// No need to do anything complicated here. Anything less than
-				// PIPE_BUF will be delivered in one read() call.
-				// Leave it 'Unknown' otherwise.
-				if (read(fdset[0], string, sizeof(string) - 1) > 0) {
-					vendors[i] = string;
-					renderers[i] = string + strlen(string) + 1;
-				}
-			}
-
-			close(fdset[0]);
-
-		} else {
-			// In child, exit() here will not quit the engine.
-
-			char string[201];
-
-			close(fdset[0]);
-
-			if (i) setenv("DRI_PRIME", "1", 1);
-			create_context();
-
-			const char *vendor = (const char *)glGetString(GL_VENDOR);
-			const char *renderer = (const char *)glGetString(GL_RENDERER);
-
-			unsigned int vendor_len = strlen(vendor) + 1;
-			unsigned int renderer_len = strlen(renderer) + 1;
-
-			if (vendor_len + renderer_len >= sizeof(string)) {
-				renderer_len = 200 - vendor_len;
-			}
-
-			memcpy(&string, vendor, vendor_len);
-			memcpy(&string[vendor_len], renderer, renderer_len);
-
-			if (write(fdset[1], string, vendor_len + renderer_len) == -1) {
-				print_verbose("Couldn't write vendor/renderer string.");
-			}
-			close(fdset[1]);
-			exit(0);
-		}
-	}
-
-	int preferred = 0;
-	int priority = 0;
-
-	if (vendors[0] == vendors[1]) {
-		print_verbose("Only one GPU found, using default.");
-		return 0;
-	}
-
-	for (int i = 1; i >= 0; --i) {
-		vendor *v = vendormap;
-		while (v->glxvendor) {
-			if (v->glxvendor == vendors[i]) {
-				priorities[i] = v->priority;
-
-				if (v->priority >= priority) {
-					priority = v->priority;
-					preferred = i;
-				}
-			}
-			++v;
-		}
-	}
-
-	print_verbose("Found renderers:");
-	for (int i = 0; i < 2; ++i) {
-		print_verbose("Renderer " + itos(i) + ": " + renderers[i] + " with priority: " + itos(priorities[i]));
-	}
-
-	print_verbose("Using renderer: " + renderers[preferred]);
-	return preferred;
-}
-
-#endif
-#endif