1 files changed, 32 insertions, 0 deletions
diff --git a/sdl/gltools.h b/sdl/gltools.h
new file mode 100644
index 0000000..b960abd
--- /dev/null
+++ b/sdl/gltools.h
@@ -0,0 +1,32 @@
+#ifndef _GLTOOLS_H_
+#define _GLTOOLS_H_
+
+/* this is the targa header, pragmas are needed to do the voodoo magic */
+/* http://gcc.gnu.org/onlinedocs/gcc-4.4.0/gcc/ */
+#pragma pack(1)
+typedef struct
+{
+    GLbyte identsize;   /* Size of id field that follows header (0) */
+    GLbyte imageType;   /* 0 = none, 1 = indexed, 2 = rgb, 3 = grey, +8 = rle */
+    GLbyte colorMapType;           /* 0 = none, 1 = paletted */
+    unsigned short colorMapStart;  /* first colour map entry */
+    unsigned short colorMapLength; /* number of colors */
+    unsigned char colorMapBits;    /* bits per palette entry */
+    unsigned short xstart;         /* image x origin */
+    unsigned short ystart;         /* image y origin */
+    unsigned short width;          /* width in pixels */
+    unsigned short height;         /* height in pixels */
+    GLbyte bits;                   /* bits per pixel (8 16, 24, 32) */
+    GLbyte descriptor;             /* image descriptor */
+} TGAHEADER;
+#pragma pack(1)
+
+/* function prototypes */
+GLint gltWriteTGA(const char *);
+GLbyte *gltLoadTGA(const char *, GLint *, GLint *, GLint *, GLenum *);
+void gltDrawUnitAxes(void);
+void gltDrawTorus(GLfloat, GLfloat, GLint, GLint);
+void DrawJet(int);
+
+#endif
+