From f408f179d257feb6795401db4fa0c1fcc357db81 Mon Sep 17 00:00:00 2001
From: Gemma Peter <me@gemmapeter.co.uk>
Date: Fri, 2 Jun 2017 01:21:10 +0100
Subject: [PATCH 1/3] debugBreak function for Linux

---
 src/utils.h | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/utils.h b/src/utils.h
index b8241df..3d9312e 100644
--- a/src/utils.h
+++ b/src/utils.h
@@ -7,7 +7,12 @@
 #include <float.h>
 
 #ifdef _DEBUG
-    #define debugBreak() _asm { int 3 }
+    #ifdef LINUX
+        #define debugBreak() raise(SIGTRAP);
+    #else
+        #define debugBreak() _asm { int 3 }
+    #endif
+
     #define ASSERT(expr) if (expr) {} else { LOG("ASSERT %s in %s:%d\n", #expr, __FILE__, __LINE__); debugBreak(); }
 
     #ifndef ANDROID

From 8e994211d2450e9638233ad7d3e67692c263e2b4 Mon Sep 17 00:00:00 2001
From: Gemma Peter <me@gemmapeter.co.uk>
Date: Fri, 2 Jun 2017 01:45:09 +0100
Subject: [PATCH 2/3] Prevent type errors when compiling with GCC

---
 src/debug.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/debug.h b/src/debug.h
index 1e19566..58a3c7f 100644
--- a/src/debug.h
+++ b/src/debug.h
@@ -557,10 +557,10 @@ namespace Debug {
                     uint32 data;
                     uint32 dataSize;
                 } header = {
-                        FOURCC("RIFF"), sizeof(Header) - 8 + dataSize,
+                        FOURCC("RIFF"), (uint32) sizeof(Header) - 8 + dataSize,
                         FOURCC("WAVE"), FOURCC("fmt "), 16,
                         { 1, 1, 44100, 44100 * 16 / 8, 0, 16 },
-                        FOURCC("data"), dataSize
+                        FOURCC("data"), (uint32) dataSize
                     };
 
                 fwrite(&header, sizeof(header), 1, f);

From e76f38b1e4f749848e54ed693e1a3a0512790e01 Mon Sep 17 00:00:00 2001
From: Gemma Peter <me@gemmapeter.co.uk>
Date: Fri, 2 Jun 2017 01:57:41 +0100
Subject: [PATCH 3/3] Debug text font setup for Linux

---
 src/debug.h | 39 ++++++++++++++++++++++++++++++---------
 1 file changed, 30 insertions(+), 9 deletions(-)

diff --git a/src/debug.h b/src/debug.h
index 58a3c7f..ebce4f0 100644
--- a/src/debug.h
+++ b/src/debug.h
@@ -11,15 +11,36 @@ namespace Debug {
     static GLuint font;
 
     void init() {
-        font = glGenLists(256);
-        HDC hdc = GetDC(0); 
-        HFONT hfont = CreateFontA(-MulDiv(10, GetDeviceCaps(hdc, LOGPIXELSY), 72), 0,
-                                 0, 0, FW_BOLD, 0, 0, 0,
-                                 ANSI_CHARSET, OUT_TT_PRECIS, CLIP_DEFAULT_PRECIS,
-                                 ANTIALIASED_QUALITY, DEFAULT_PITCH, "Courier New");
-        SelectObject(hdc, hfont);
-        wglUseFontBitmaps(hdc, 0, 256, font);
-        DeleteObject(hfont);
+        #ifdef WIN32
+            font = glGenLists(256);
+            HDC hdc = GetDC(0);
+            HFONT hfont = CreateFontA(-MulDiv(10, GetDeviceCaps(hdc, LOGPIXELSY), 72), 0,
+                                     0, 0, FW_BOLD, 0, 0, 0,
+                                     ANSI_CHARSET, OUT_TT_PRECIS, CLIP_DEFAULT_PRECIS,
+                                     ANTIALIASED_QUALITY, DEFAULT_PITCH, "Courier New");
+            SelectObject(hdc, hfont);
+            wglUseFontBitmaps(hdc, 0, 256, font);
+            DeleteObject(hfont);
+        #elif LINUX
+            XFontStruct *fontInfo;
+            Font id;
+            unsigned int first, last;
+            fontInfo = XLoadQueryFont(glXGetCurrentDisplay(), "-adobe-times-medium-r-normal--17-120-100-100-p-88-iso8859-1");
+
+            if (fontInfo == NULL) {
+                LOG("no font found\n");
+            }
+
+            id = fontInfo->fid;
+            first = fontInfo->min_char_or_byte2;
+            last = fontInfo->max_char_or_byte2;
+
+            font = glGenLists(last + 1);
+            if (font == 0) {
+                LOG("out of display lists\n");
+            }
+            glXUseXFont(id, first, last - first + 1, font + first);
+        #endif
     }
 
     void free() {