X-Git-Url: https://git.jsancho.org/?a=blobdiff_plain;f=gacela_GL.lisp;h=c293bf58cbb5739fe20c6a8de3db6e2e5a85b3b8;hb=377bf34ac61998549b24e339e3a3eea80734b6e3;hp=961a29a50688b8f74e25c52d0e756492742fd135;hpb=a559c9a47d17f1a7ca0a4dff3edcd39449d1821e;p=gacela.git

diff --git a/gacela_GL.lisp b/gacela_GL.lisp
index 961a29a..c293bf5 100644
--- a/gacela_GL.lisp
+++ b/gacela_GL.lisp
@@ -17,6 +17,16 @@
 
 (in-package :gacela)
 
+(defmacro mapcconst (type c-type name)
+  (let ((c-header (concatenate 'string c-type " gacela_" name " (void)"))
+	(c-body (concatenate 'string "return " name ";"))
+	(c-name (concatenate 'string "gacela_" name))
+	(lisp-name (intern (string-upcase name))))
+    `(progn
+       (defcfun ,c-header 0 ,c-body)
+       (defentry ,lisp-name () (,type ,c-name))
+       (eval-when (load) (defconstant ,lisp-name (,lisp-name))))))
+
 (clines "#include <GL/gl.h>")
 (clines "#include <GL/glu.h>")
 
@@ -152,6 +162,15 @@
   "}"
   "return textures;")
 
+(defcfun "void gacela_glDeleteTextures (int n, object textures)" 0
+  "GLuint text[n];"
+  "int i, t;"
+  "for (i = 0; i < n; i++) {"
+  ((nth (int i) textures) t)
+  "text[i] = t;"
+  "}"
+  "glDeleteTextures (n, &text[0]);")
+
 (defcfun "void gacela_glBindTexture (int target, int texture)" 0
   "glBindTexture (target, texture);")
 
@@ -207,6 +226,7 @@
 (defentry glVertex3f (float float float) (void "gacela_glVertex3f"))
 (defentry glViewport (int int int int) (void "gacela_glViewport"))
 (defentry glGenTextures (int) (object "gacela_glGenTextures"))
+(defentry glDeleteTextures (int object) (void "gacela_glDeleteTextures"))
 (defentry glBindTexture (int int) (void "gacela_glBindTexture"))
 (defentry glTexImage2D (int int int int int int int int int) (void "gacela_glTexImage2D"))
 (defentry glTexParameteri (int int int) (void "gacela_glTexParameteri"))