;;; along with this program. If not, see <http://www.gnu.org/licenses/>.
-(in-package :gacela)
+(eval-when (compile load eval)
+ (when (not (find-package 'gacela)) (make-package 'gacela :nicknames '(gg) :use '(lisp)))
+ (in-package 'gacela :nicknames '(gg) :use '(lisp)))
+
+
+(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>")
;;; Data types
-(defconstant GL_UNSIGNED_BYTE #x1401)
+(mapcconst int "int" "GL_UNSIGNED_BYTE")
;;; Primitives
-(defconstant GL_POINTS #x0000)
-(defconstant GL_LINES #x0001)
-(defconstant GL_LINE_LOOP #x0002)
-(defconstant GL_LINE_STRIP #x0003)
-(defconstant GL_TRIANGLES #x0004)
-(defconstant GL_TRIANGLE_STRIP #x0005)
-(defconstant GL_TRIANGLE_FAN #x0006)
-(defconstant GL_QUADS #x0007)
-(defconstant GL_QUAD_STRIP #x0008)
-(defconstant GL_POLYGON #x0009)
+(mapcconst int "int" "GL_POINTS")
+(mapcconst int "int" "GL_LINES")
+(mapcconst int "int" "GL_LINE_LOOP")
+(mapcconst int "int" "GL_LINE_STRIP")
+(mapcconst int "int" "GL_TRIANGLES")
+(mapcconst int "int" "GL_TRIANGLE_STRIP")
+(mapcconst int "int" "GL_TRIANGLE_FAN")
+(mapcconst int "int" "GL_QUADS")
+(mapcconst int "int" "GL_QUAD_STRIP")
+(mapcconst int "int" "GL_POLYGON")
;;; Matrix Mode
-(defconstant GL_MODELVIEW #x1700)
-(defconstant GL_PROJECTION #x1701)
+(mapcconst int "int" "GL_MODELVIEW")
+(mapcconst int "int" "GL_PROJECTION")
;;; Depth buffer
-(defconstant GL_LEQUAL #x0203)
-(defconstant GL_DEPTH_TEST #x0B71)
+(mapcconst int "int" "GL_LEQUAL")
+(mapcconst int "int" "GL_DEPTH_TEST")
;;; Lighting
-(defconstant GL_LIGHTING #x0B50)
-(defconstant GL_LIGHT1 #x4001)
-(defconstant GL_AMBIENT #x1200)
-(defconstant GL_DIFFUSE #x1201)
-(defconstant GL_POSITION #x1203)
-(defconstant GL_SMOOTH #x1D01)
+(mapcconst int "int" "GL_LIGHTING")
+(mapcconst int "int" "GL_LIGHT1")
+(mapcconst int "int" "GL_AMBIENT")
+(mapcconst int "int" "GL_DIFFUSE")
+(mapcconst int "int" "GL_POSITION")
+(mapcconst int "int" "GL_SMOOTH")
;;; Blending
-(defconstant GL_BLEND #x0BE2)
-(defconstant GL_ONE #x1)
-(defconstant GL_SRC_ALPHA #x0302)
+(mapcconst int "int" "GL_BLEND")
+(mapcconst int "int" "GL_ONE")
+(mapcconst int "int" "GL_SRC_ALPHA")
;;; Fog
-(defconstant GL_LINEAR #x2601)
+(mapcconst int "int" "GL_LINEAR")
;;; Buffers, Pixel Drawing/Reading
-(defconstant GL_RGB #x1907)
+(mapcconst int "int" "GL_RGB")
+(mapcconst int "int" "GL_RGBA")
;;; Hints
-(defconstant GL_PERSPECTIVE_CORRECTION_HINT #x0C50)
-(defconstant GL_NICEST #x1102)
+(mapcconst int "int" "GL_PERSPECTIVE_CORRECTION_HINT")
+(mapcconst int "int" "GL_NICEST")
;;; Texture mapping
-(defconstant GL_TEXTURE_2D #x0DE1)
-(defconstant GL_TEXTURE_MAG_FILTER #x2800)
-(defconstant GL_TEXTURE_MIN_FILTER #x2801)
-(defconstant GL_LINEAR_MIPMAP_NEAREST #x2701)
-(defconstant GL_NEAREST #x2600)
+(mapcconst int "int" "GL_TEXTURE_2D")
+(mapcconst int "int" "GL_TEXTURE_MAG_FILTER")
+(mapcconst int "int" "GL_TEXTURE_MIN_FILTER")
+(mapcconst int "int" "GL_LINEAR_MIPMAP_NEAREST")
+(mapcconst int "int" "GL_NEAREST")
;;; glPush/PopAttrib bits
-(defconstant GL_DEPTH_BUFFER_BIT #x00000100)
-(defconstant GL_COLOR_BUFFER_BIT #x00004000)
+(mapcconst int "int" "GL_DEPTH_BUFFER_BIT")
+(mapcconst int "int" "GL_COLOR_BUFFER_BIT")
;;; OpenGL 1.2
-(defconstant GL_BGR #x80E0)
+(mapcconst int "int" "GL_BGR")
+(mapcconst int "int" "GL_BGRA")
;;; OpenGL Functions
(defcfun "void gacela_glBegin (int mode)" 0
(defcfun "void gacela_glColor3f (float red, float green, float blue)" 0
"glColor3f (red, green, blue);")
+(defcfun "void gacela_glColor4f (float red, float green, float blue, float alpha)" 0
+ "glColor4f (red, green, blue, alpha);")
+
(defcfun "void gacela_glDepthFunc (int func)" 0
"glDepthFunc (func);")
"}"
"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);")
(defcfun "void gacela_glOrtho (float left, float right, float bottom, float top, float near_val, float far_val)" 0
"glOrtho (left, right, bottom, top, near_val, far_val);")
+(defcfun "void gacela_glPushMatrix (void)" 0
+ "glPushMatrix ();")
+
+(defcfun "void gacela_glPopMatrix (void)" 0
+ "glPopMatrix ();")
+
(defcfun "void gacela_gluPerspective (double fovy, double aspect, double zNear, double zFar)" 0
"gluPerspective (fovy, aspect, zNear, zFar);")
(defcfun "int gacela_gluBuild2DMipmaps (int target, int internalFormat, int width, int height, int format, int type, int data)" 0
"return gluBuild2DMipmaps (target, internalFormat, width, height, format, type, data);")
+(defcfun "void gacela_gluLookAt (double eyeX, double eyeY, double eyeZ, double centerX, double centerY, double centerZ, double upX, double upY, double upZ)" 0
+ "gluLookAt (eyeX, eyeY, eyeZ, centerX, centerY, centerZ, upX, upY, upZ);")
+
(defentry glBegin (int) (void "gacela_glBegin"))
(defentry glClear (int) (void "gacela_glClear"))
(defentry glClearColor (float float float float) (void "gacela_glClearColor"))
(defentry glClearDepth (double) (void "gacela_glClearDepth"))
(defentry glColor3f (float float float) (void "gacela_glColor3f"))
+(defentry glColor4f (float float float float) (void "gacela_glColor4f"))
(defentry glDepthFunc (int) (void "gacela_glDepthFunc"))
(defentry glEnable (int) (void "gacela_glEnable"))
(defentry glDisable (int) (void "gacela_glDisable"))
(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"))
(defentry glNormal3f (float float float) (void "gacela_glNormal3f"))
(defentry glBlendFunc (int int) (void "gacela_glBlendFunc"))
(defentry glOrtho (float float float float float float) (void "gacela_glOrtho"))
+(defentry glPushMatrix () (void "gacela_glPushMatrix"))
+(defentry glPopMatrix () (void "gacela_glPopMatrix"))
(defentry gluPerspective (double double double double) (void "gacela_gluPerspective"))
(defentry gluBuild2DMipmaps (int int int int int int int) (int "gacela_gluBuild2DMipmaps"))
+(defentry gluLookAt (double double double double double double double double double) (void "gacela_gluLookAt"))
projects / gacela.git / blobdiff