From af45c276129966782bd3066582b91b4f3cf1c10f Mon Sep 17 00:00:00 2001
From: malc <av1474@comtv.ru>
Date: Sun, 2 Nov 2008 14:16:06 +0300
Subject: [PATCH] Factor out GL cruft into pgl.h

---
 pgl.h  | 40 ++++++++++++++++++++++++++++++++++++++++
 skin.c | 42 +-----------------------------------------
 2 files changed, 41 insertions(+), 41 deletions(-)
 create mode 100644 pgl.h

diff --git a/pgl.h b/pgl.h
new file mode 100644
index 0000000..4b1817f
--- /dev/null
+++ b/pgl.h
@@ -0,0 +1,40 @@
+#define GL_GLEXT_PROTOTYPES
+#ifdef _WIN32
+#define WIN32_LEAN_AND_MEAN
+#include <windows.h>
+#endif
+#ifdef __APPLE__
+#include <OpenGL/gl.h>
+#else
+#include <GL/gl.h>
+#endif
+
+#ifndef GL_VERSION_1_5
+#define GL_ARRAY_BUFFER                   0x8892
+#define GL_DYNAMIC_DRAW                   0x88E8
+#define GL_STATIC_DRAW                    0x88E4
+#define GL_WRITE_ONLY                     0x88B9
+#ifndef APIENTRYP
+#define APIENTRYP APIENTRY *
+#endif
+typedef ptrdiff_t GLintptr;
+typedef ptrdiff_t GLsizeiptr;
+typedef void (APIENTRYP PFNGLBINDBUFFERPROC) (GLenum target, GLuint buffer);
+typedef void (APIENTRYP PFNGLGENBUFFERSPROC) (GLsizei n, GLuint *buffers);
+typedef void (APIENTRYP PFNGLBUFFERDATAPROC) (GLenum target, GLsizeiptr size, const GLvoid *data, GLenum usage);
+typedef GLvoid* (APIENTRYP PFNGLMAPBUFFERPROC) (GLenum target, GLenum access);
+typedef GLboolean (APIENTRYP PFNGLUNMAPBUFFERPROC) (GLenum target);
+static PFNGLBINDBUFFERPROC glBindBuffer;
+static PFNGLGENBUFFERSPROC glGenBuffers;
+static PFNGLBUFFERDATAPROC glBufferData;
+static PFNGLMAPBUFFERPROC glMapBuffer;
+static PFNGLUNMAPBUFFERPROC glUnmapBuffer;
+#define GETPA(name) for (;;) {                                          \
+    *(PROC *) &gl##name = wglGetProcAddress ("gl" # name);              \
+    if (!gl##name) {                                                    \
+        fprintf (stderr, "could not get address of gl"#name"\n");       \
+        exit (EXIT_FAILURE);                                            \
+    }                                                                   \
+    break;                                                              \
+}
+#endif
diff --git a/skin.c b/skin.c
index 3bba7ea..15bf424 100644
--- a/skin.c
+++ b/skin.c
@@ -1,44 +1,3 @@
-#define GL_GLEXT_PROTOTYPES
-#ifdef _WIN32
-#define WIN32_LEAN_AND_MEAN
-#include <windows.h>
-#endif
-#ifdef __APPLE__
-#include <OpenGL/gl.h>
-#else
-#include <GL/gl.h>
-#endif
-
-#ifndef GL_VERSION_1_5
-#define GL_ARRAY_BUFFER                   0x8892
-#define GL_DYNAMIC_DRAW                   0x88E8
-#define GL_STATIC_DRAW                    0x88E4
-#define GL_WRITE_ONLY                     0x88B9
-#ifndef APIENTRYP
-#define APIENTRYP APIENTRY *
-#endif
-typedef ptrdiff_t GLintptr;
-typedef ptrdiff_t GLsizeiptr;
-typedef void (APIENTRYP PFNGLBINDBUFFERPROC) (GLenum target, GLuint buffer);
-typedef void (APIENTRYP PFNGLGENBUFFERSPROC) (GLsizei n, GLuint *buffers);
-typedef void (APIENTRYP PFNGLBUFFERDATAPROC) (GLenum target, GLsizeiptr size, const GLvoid *data, GLenum usage);
-typedef GLvoid* (APIENTRYP PFNGLMAPBUFFERPROC) (GLenum target, GLenum access);
-typedef GLboolean (APIENTRYP PFNGLUNMAPBUFFERPROC) (GLenum target);
-static PFNGLBINDBUFFERPROC glBindBuffer;
-static PFNGLGENBUFFERSPROC glGenBuffers;
-static PFNGLBUFFERDATAPROC glBufferData;
-static PFNGLMAPBUFFERPROC glMapBuffer;
-static PFNGLUNMAPBUFFERPROC glUnmapBuffer;
-#define GETPA(name) for (;;) {                                          \
-    *(PROC *) &gl##name = wglGetProcAddress ("gl" # name);     \
-    if (!gl##name) {                                                    \
-        fprintf (stderr, "could not get address of gl"#name"\n");       \
-        exit (EXIT_FAILURE);                                            \
-    }                                                                   \
-    break;                                                              \
-}
-#endif
-
 #include <math.h>
 #include <stdio.h>
 #include <stdlib.h>
@@ -49,6 +8,7 @@ static PFNGLUNMAPBUFFERPROC glUnmapBuffer;
 #include <caml/memory.h>
 
 #include "vec.c"
+#include "pgl.h"
 
 enum {V_IDX, N_IDX, UV_IDX, C_IDX, COUNT};
 
-- 
2.11.4.GIT