From ebde46bc82bebf478db67abef5b7dc88c014706b Mon Sep 17 00:00:00 2001
From: epoch <epoch@hacking.allowed.org>
Date: Tue, 3 Jan 2017 00:30:28 -0600
Subject: lots and lots of shit. opengl shit is barely worked on. new pl script
 to obj2hackvr using more than just
 triangles.http://hackaday.com/blog/http://hackaday.com/blog/

---
 src/graphics_opengl.c | 96 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 96 insertions(+)
 create mode 100644 src/graphics_opengl.c

(limited to 'src/graphics_opengl.c')

diff --git a/src/graphics_opengl.c b/src/graphics_opengl.c
new file mode 100644
index 0000000..9e200de
--- /dev/null
+++ b/src/graphics_opengl.c
@@ -0,0 +1,96 @@
+
+#include <string.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <GL/glut.h>
+
+GLenum doubleBuffer;
+GLubyte ubImage[65536];
+
+void draw_cs_line(cs_t p1,cs_t p2) {
+ 
+}
+
+void draw_cs_text() {
+
+}
+
+void draw_c3_shape() {
+ //oh lawdy... this should be draw_cs_shape...
+}
+
+static void
+graphics_init(void)
+{
+  GLenum type;
+  int j;
+  GLubyte *img;
+  GLsizei imgWidth = 128;
+
+  type = GLUT_RGB;
+  type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
+  glutInitDisplayMode(type);
+  glutCreateWindow("ABGR extension");
+  if (!glutExtensionSupported("GL_EXT_abgr")) {
+    printf("Couldn't find abgr extension.\n");
+    exit(0);
+  }
+
+  glMatrixMode(GL_PROJECTION);
+  glLoadIdentity();
+  gluPerspective(60.0, 1.0, 0.1, 1000.0);
+  glMatrixMode(GL_MODELVIEW);
+  glDisable(GL_DITHER);
+
+  glutKeyboardFunc(keypress_handler);
+  glutDisplayFunc(draw_screen);
+
+}
+
+/* ARGSUSED1 */
+static void
+keypress_handler(unsigned char key, int x, int y)
+{
+  switch (key) {
+  case 27:
+    exit(0);
+  }
+}
+
+static void draw_screen(void)
+{
+
+  glClearColor(0.0, 0.0, 0.0, 1.0);
+  glClear(GL_COLOR_BUFFER_BIT);
+
+
+  glRasterPos3f(0.2, -0.8, -1.5);
+  glDrawPixels(128, 128, GL_RGBA, GL_UNSIGNED_BYTE, ubImage);
+
+  if (doubleBuffer) {
+    glutSwapBuffers();
+  } else {
+    glFlush();
+  }
+}
+
+static void
+Args(int argc, char **argv)
+{
+  GLint i;
+
+  doubleBuffer = GL_TRUE;
+
+  for (i = 1; i < argc; i++) {
+    if (strcmp(argv[i], "-sb") == 0) {
+      doubleBuffer = GL_FALSE;
+    } else if (strcmp(argv[i], "-db") == 0) {
+      doubleBuffer = GL_TRUE;
+    }
+  }
+}
+
+void graphics_event_handler() {
+  glutMainLoopUpdate();
+  return 0;             /* ANSI C requires main to return int. */
+}
-- 
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