From http://www.jwz.org/xscreensaver/xscreensaver-5.35.tar.gz

[xscreensaver] / hacks / glx / tangram_shapes.c

diff --git a/hacks/glx/tangram_shapes.c b/hacks/glx/tangram_shapes.c
index 25dec5b21f5f3defd8b3ff8c09485988f0185adb..267b1873b3e154103790cb31ee4488a793ddbbf4 100644 (file)
--- a/hacks/glx/tangram_shapes.c
+++ b/hacks/glx/tangram_shapes.c
@@ -9,7 +9,23 @@
  * implied warranty.
  */
 
-#include <GL/gl.h>
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif /* HAVE_CONFIG_H */
+
+#ifndef HAVE_JWXYZ
+# include <GL/gl.h>
+#endif
+
+#ifdef HAVE_ANDROID
+#include <GLES/gl.h>
+#endif
+
+#ifdef HAVE_JWZGLES
+# include "jwzgles.h"
+#endif /* HAVE_JWZGLES */
+
+#include "tangram_shapes.h"
 
 #define small_scale  ( 1 )
 #define large_scale  ( 2 )
@@ -17,7 +33,8 @@
 
 #define alpha (0.05)
 
-static void tri_45_90(int wire)
+static void
+tri_45_90(int wire)
 {
     GLfloat vertices[][3] = {
         {0, alpha, 0},
@@ -32,45 +49,60 @@ static void tri_45_90(int wire)
 
     glNormal3f(0, 1, 0);
     glVertex3fv(vertices[0]);
+    glNormal3f(0, 1, 0);
     glVertex3fv(vertices[2]);
+    glNormal3f(0, 1, 0);
     glVertex3fv(vertices[1]);
 
     glNormal3f(0, -1, 0);
     glVertex3fv(vertices[3]);
+    glNormal3f(0, -1, 0);
     glVertex3fv(vertices[4]);
+    glNormal3f(0, -1, 0);
     glVertex3fv(vertices[5]);
     glEnd();
 
     glBegin((wire) ? GL_LINE_LOOP : GL_QUADS);
     glNormal3f(1, 0, 1);
     glVertex3fv(vertices[2]);
+    glNormal3f(1, 0, 1);
     glVertex3fv(vertices[5]);
+    glNormal3f(1, 0, 1);
     glVertex3fv(vertices[4]);
+    glNormal3f(1, 0, 1);
     glVertex3fv(vertices[1]);
 
     glNormal3f(-1, 0, 0);
     glVertex3fv(vertices[0]);
+    glNormal3f(-1, 0, 0);
     glVertex3fv(vertices[1]);
+    glNormal3f(-1, 0, 0);
     glVertex3fv(vertices[4]);
+    glNormal3f(-1, 0, 0);
     glVertex3fv(vertices[3]);
 
     glNormal3f(0, 0, -1);
-    glVertex3fv(vertices[2]);
-    glVertex3fv(vertices[5]);
-    glVertex3fv(vertices[3]);
     glVertex3fv(vertices[0]);
+    glNormal3f(0, 0, -1);
+    glVertex3fv(vertices[3]);
+    glNormal3f(0, 0, -1);
+    glVertex3fv(vertices[5]);
+    glNormal3f(0, 0, -1);
+    glVertex3fv(vertices[2]);
     glEnd();
 }
 
-void unit_cube(int wire)
+static void
+unit_cube(int wire)
 {
     glBegin((wire) ? GL_LINE_LOOP : GL_QUADS);
 
-    glNormal3f(0.0f, -1.0f, 0.0f);
-    glVertex3f(0.0f, -alpha, 0.0f);
-    glVertex3f(1.0f, -alpha, 0.0f);
-    glVertex3f(1.0f, -alpha, 1.0f);
-    glVertex3f(0.0f, -alpha, 1.0f);
+
+    glNormal3f(0.0f, 1.0f, 0.0f);
+    glVertex3f(0.0f, alpha, 0.0f);
+    glVertex3f(0.0f, alpha, 1.0f);
+    glVertex3f(1.0f, alpha, 1.0f);
+    glVertex3f(1.0f, alpha, 0.0f);
 
     glNormal3f(0.0f, 0.0f, 1.0f);
     glVertex3f(0.0f, -alpha, 1.0f);
@@ -96,15 +128,17 @@ void unit_cube(int wire)
     glVertex3f(0.0f, alpha, 1.0f);
     glVertex3f(0.0f, alpha, 0.0f);
 
-    glNormal3f(0.0f, 1.0f, 0.0f);
-    glVertex3f(0.0f, alpha, 0.0f);
-    glVertex3f(0.0f, alpha, 1.0f);
-    glVertex3f(1.0f, alpha, 1.0f);
-    glVertex3f(1.0f, alpha, 0.0f);
+    glNormal3f(0.0f, -1.0f, 0.0f);
+    glVertex3f(0.0f, -alpha, 0.0f);
+    glVertex3f(1.0f, -alpha, 0.0f);
+    glVertex3f(1.0f, -alpha, 1.0f);
+    glVertex3f(0.0f, -alpha, 1.0f);
+
     glEnd();
 }
 
-void unit_rhomboid(int wire)
+static void
+unit_rhomboid(int wire)
 {
     glBegin((wire) ? GL_LINE_LOOP : GL_QUADS);
 
@@ -150,7 +184,8 @@ void unit_rhomboid(int wire)
 
 /* All of the pieces have the same thickness so all of the Y values are the same */
 
-GLuint get_sm_tri_dl(int wire)
+GLuint
+tangram_get_sm_tri_dl(int wire)
 {
     GLuint triangle = glGenLists(1);
     glNewList(triangle, GL_COMPILE);
@@ -160,7 +195,8 @@ GLuint get_sm_tri_dl(int wire)
     return triangle;
 }
 
-GLuint get_lg_tri_dl(int wire)
+GLuint
+tangram_get_lg_tri_dl(int wire)
 {
     GLuint triangle = glGenLists(1);
     glNewList(triangle, GL_COMPILE);
@@ -170,7 +206,8 @@ GLuint get_lg_tri_dl(int wire)
     return triangle;
 }
 
-GLuint get_md_tri_dl(int wire)
+GLuint
+tangram_get_md_tri_dl(int wire)
 {
     GLuint triangle = glGenLists(1);
     glNewList(triangle, GL_COMPILE);
@@ -180,7 +217,8 @@ GLuint get_md_tri_dl(int wire)
     return triangle;
 }
 
-GLuint get_square_dl(int wire)
+GLuint
+tangram_get_square_dl(int wire)
 {
     GLuint square = glGenLists(1);
     glNewList(square, GL_COMPILE);
@@ -190,7 +228,8 @@ GLuint get_square_dl(int wire)
     return square;
 }
 
-GLuint get_rhomboid_dl(int wire)
+GLuint
+tangram_get_rhomboid_dl(int wire)
 {
     GLuint rhomboid = glGenLists(1);
     glNewList(rhomboid, GL_COMPILE);