#include <GL/glu.h>
#include "gacela_GL.h"
+
+struct glTexture
+{
+ GLuint texture_id;
+ int width, height;
+};
+
+static scm_t_bits glTexture_tag;
+
+SCM
+make_glTexture (GLuint texture_id)
+{
+ SCM smob;
+ struct glTexture *glTexture;
+
+ glTexture = (struct glTexture *) scm_gc_malloc (sizeof (struct glTexture), "glTexture");
+
+ glTexture->texture_id = 0;
+
+ SCM_NEWSMOB (smob, glTexture_tag, glTexture);
+
+ glTexture->texture_id = texture_id;
+
+ return smob;
+}
+
+GLuint
+get_glTexture_id (SCM glTexture_smob)
+{
+ struct glTexture *glTexture;
+
+ scm_assert_smob_type (glTexture_tag, glTexture_smob);
+ glTexture = (struct glTexture *) SCM_SMOB_DATA (glTexture_smob);
+ return glTexture->texture_id;
+}
+
+SCM
+get_glTexture_width (SCM glTexture_smob)
+{
+ struct glTexture *glTexture;
+
+ scm_assert_smob_type (glTexture_tag, glTexture_smob);
+ glTexture = (struct glTexture *) SCM_SMOB_DATA (glTexture_smob);
+ return scm_from_int (glTexture->width);
+}
+
+SCM
+get_glTexture_height (SCM glTexture_smob)
+{
+ struct glTexture *glTexture;
+
+ scm_assert_smob_type (glTexture_tag, glTexture_smob);
+ glTexture = (struct glTexture *) SCM_SMOB_DATA (glTexture_smob);
+ return scm_from_int (glTexture->height);
+}
+
+SCM
+set_glTexture_size (SCM glTexture_smob, SCM width, SCM height)
+{
+ struct glTexture *glTexture;
+
+ scm_assert_smob_type (glTexture_tag, glTexture_smob);
+ glTexture = (struct glTexture *) SCM_SMOB_DATA (glTexture_smob);
+ glTexture->width = scm_to_int (width);
+ glTexture->height = scm_to_int (height);
+ return SCM_UNSPECIFIED;
+}
+
+size_t
+free_glTexture (SCM glTexture_smob)
+{
+ struct glTexture *glTexture = (struct glTexture *) SCM_SMOB_DATA (glTexture_smob);
+ GLuint text[1];
+
+ text[0] = glTexture->texture_id;
+ glDeleteTextures (1, &text[0]);
+ scm_gc_free (glTexture, sizeof (struct glTexture), "glTexture");
+
+ return 0;
+}
+
+
SCM
gacela_glBegin (SCM mode)
{
return SCM_UNSPECIFIED;
}
+SCM
+gacela_glClear (SCM mask)
+{
+ glClear (scm_to_int (mask));
+ return SCM_UNSPECIFIED;
+}
+
+SCM
+gacela_glClearColor (SCM red, SCM green, SCM blue, SCM alpha)
+{
+ glClearColor (scm_to_double (red), scm_to_double (green), scm_to_double (blue), scm_to_double (alpha));
+ return SCM_UNSPECIFIED;
+}
+
+SCM
+gacela_glClearDepth (SCM depth)
+{
+ glClearDepth (scm_to_double (depth));
+ return SCM_UNSPECIFIED;
+}
+
+SCM
+gacela_glColor3f (SCM red, SCM green, SCM blue)
+{
+ glColor3f (scm_to_double (red), scm_to_double (green), scm_to_double (blue));
+ return SCM_UNSPECIFIED;
+}
+
+SCM
+gacela_glColor4f (SCM red, SCM green, SCM blue, SCM alpha)
+{
+ glColor4f (scm_to_double (red), scm_to_double (green), scm_to_double (blue), scm_to_double (alpha));
+ return SCM_UNSPECIFIED;
+}
+
+SCM
+gacela_glDepthFunc (SCM func)
+{
+ glDepthFunc (scm_to_int (func));
+ return SCM_UNSPECIFIED;
+}
+
+SCM
+gacela_glEnable (SCM cap)
+{
+ glEnable (scm_to_int (cap));
+ return SCM_UNSPECIFIED;
+}
+
+SCM
+gacela_glDisable (SCM cap)
+{
+ glDisable (scm_to_int (cap));
+ return SCM_UNSPECIFIED;
+}
+
+SCM
+gacela_glEnd (void)
+{
+ glEnd ();
+ return SCM_UNSPECIFIED;
+}
+
+SCM
+gacela_glHint (SCM target, SCM mode)
+{
+ glHint (scm_to_int (target), scm_to_int (mode));
+ return SCM_UNSPECIFIED;
+}
+
+SCM
+gacela_glLoadIdentity (void)
+{
+ glLoadIdentity ();
+ return SCM_UNSPECIFIED;
+}
+
+SCM
+gacela_glMatrixMode (SCM mode)
+{
+ glMatrixMode (scm_to_int (mode));
+ return SCM_UNSPECIFIED;
+}
+
+SCM
+gacela_glRotatef (SCM angle, SCM x, SCM y, SCM z)
+{
+ glRotatef (scm_to_double (angle), scm_to_double (x), scm_to_double (y), scm_to_double (z));
+ return SCM_UNSPECIFIED;
+}
+
+SCM
+gacela_glShadeModel (SCM mode)
+{
+ glShadeModel (scm_to_int (mode));
+ return SCM_UNSPECIFIED;
+}
+
+SCM
+gacela_glTranslatef (SCM x, SCM y, SCM z)
+{
+ glTranslatef (scm_to_double (x), scm_to_double (y), scm_to_double (z));
+ return SCM_UNSPECIFIED;
+}
+
+SCM
+gacela_glVertex2f (SCM x, SCM y)
+{
+ glVertex2f (scm_to_double (x), scm_to_double (y));
+ return SCM_UNSPECIFIED;
+}
+
+SCM
+gacela_glVertex3f (SCM x, SCM y, SCM z)
+{
+ glVertex3f (scm_to_double (x), scm_to_double (y), scm_to_double (z));
+ return SCM_UNSPECIFIED;
+}
+
+SCM
+gacela_glViewport (SCM x, SCM y, SCM width, SCM height)
+{
+ glViewport (scm_to_int (x), scm_to_int (y), scm_to_int (width), scm_to_int (height));
+ return SCM_UNSPECIFIED;
+}
+
+SCM
+gacela_glGenTextures (SCM n)
+{
+ SCM textures;
+ int nint = scm_to_int (n);
+ GLuint text[nint];
+ int i;
+
+ textures = scm_list_n (SCM_UNDEFINED);
+ glGenTextures (nint, &text[0]);
+
+ for (i = nint - 1; i >= 0; i--) {
+ textures = scm_cons (make_glTexture (text[i]), textures);
+ }
+
+ return textures;
+}
+
+SCM
+gacela_glDeleteTextures (SCM n, SCM textures)
+{
+ int nint = scm_to_int (n);
+ GLuint text[nint];
+ int i;
+
+ for (i = 0; i < nint; i++) {
+ text[i] = scm_to_int (scm_list_ref (textures, scm_from_int (i)));
+ }
+
+ glDeleteTextures (nint, &text[0]);
+ return SCM_UNSPECIFIED;
+}
+
+SCM
+gacela_glBindTexture (SCM target, SCM texture)
+{
+ glBindTexture (scm_to_int (target), get_glTexture_id (texture));
+ return SCM_UNSPECIFIED;
+}
+
+SCM
+gacela_glTexImage2D (SCM target, SCM level, SCM internalFormat, SCM width, SCM height, SCM border, SCM format, SCM type, SCM pixels)
+{
+ glTexImage2D (scm_to_int (target), scm_to_int (level), scm_to_int (internalFormat), scm_to_int (width), \
+ scm_to_int (height), scm_to_int (border), scm_to_int (format), scm_to_int (type), \
+ (GLvoid *)scm_to_int (pixels));
+ return SCM_UNSPECIFIED;
+}
+
+SCM
+gacela_glTexParameteri (SCM target, SCM pname, SCM param)
+{
+ glTexParameteri (scm_to_int (target), scm_to_int (pname), scm_to_int (param));
+ return SCM_UNSPECIFIED;
+}
+
+SCM
+gacela_glTexCoord2f (SCM s, SCM t)
+{
+ glTexCoord2f (scm_to_double (s), scm_to_double (t));
+ return SCM_UNSPECIFIED;
+}
+
+SCM
+gacela_glLightfv (SCM light, SCM pname, SCM params)
+{
+ int n = scm_to_int (scm_length (params));
+ GLfloat gl_params[n];
+ int i;
+
+ for (i = 0; i < n; i++) {
+ gl_params[i] = scm_to_double (scm_list_ref (params, scm_from_int (i)));
+ }
+
+ glLightfv (scm_to_int (light), scm_to_int (pname), gl_params);
+ return SCM_UNSPECIFIED;
+}
+
+SCM
+gacela_glNormal3f (SCM nx, SCM ny, SCM nz)
+{
+ glNormal3f (scm_to_double (nx), scm_to_double (ny), scm_to_double (nz));
+ return SCM_UNSPECIFIED;
+}
+
+SCM
+gacela_glBlendFunc (SCM sfactor, SCM dfactor)
+{
+ glBlendFunc (scm_to_int (sfactor), scm_to_int (dfactor));
+ return SCM_UNSPECIFIED;
+}
+
+SCM
+gacela_glOrtho (SCM left, SCM right, SCM bottom, SCM top, SCM near_val, SCM far_val)
+{
+ glOrtho (scm_to_double (left), scm_to_double (right), scm_to_double (bottom), scm_to_double (top), \
+ scm_to_double (near_val), scm_to_double (far_val));
+ return SCM_UNSPECIFIED;
+}
+
+SCM
+gacela_glPushMatrix (void)
+{
+ glPushMatrix ();
+ return SCM_UNSPECIFIED;
+}
+
+SCM
+gacela_glPopMatrix (void)
+{
+ glPopMatrix ();
+ return SCM_UNSPECIFIED;
+}
+
+SCM
+gacela_gluPerspective (SCM fovy, SCM aspect, SCM zNear, SCM zFar)
+{
+ gluPerspective (scm_to_double (fovy), scm_to_double (aspect), scm_to_double (zNear), scm_to_double (zFar));
+ return SCM_UNSPECIFIED;
+}
+
+SCM
+gacela_gluBuild2DMipmaps (SCM target, SCM internalFormat, SCM width, SCM height, SCM format, SCM type, SCM data)
+{
+ return scm_from_int (gluBuild2DMipmaps (scm_to_int (target), scm_to_int (internalFormat), scm_to_int (width), \
+ scm_to_int (height), scm_to_int (format), scm_to_int (type), \
+ (void *)scm_to_int (data)));
+}
+
+SCM
+gacela_gluLookAt (SCM eyeX, SCM eyeY, SCM eyeZ, SCM centerX, SCM centerY, SCM centerZ, SCM upX, SCM upY, SCM upZ)
+{
+ gluLookAt (scm_to_double (eyeX), scm_to_double (eyeY), scm_to_double (eyeZ), \
+ scm_to_double (centerX), scm_to_double (centerY), scm_to_double (centerZ), \
+ scm_to_double (upX), scm_to_double (upY), scm_to_double (upZ));
+ return SCM_UNSPECIFIED;
+}
+
void*
GL_register_functions (void* data)
{
+ glTexture_tag = scm_make_smob_type ("glTexture", sizeof (struct glTexture));
+ scm_set_smob_free (glTexture_tag, free_glTexture);
+ scm_c_define_gsubr ("texture-w", 1, 0, 0, get_glTexture_width);
+ scm_c_define_gsubr ("texture-h", 1, 0, 0, get_glTexture_height);
+ scm_c_define_gsubr ("set-texture-size!", 3, 0, 0, set_glTexture_size);
+
// Data types
scm_c_define ("GL_UNSIGNED_BYTE", scm_from_int (GL_UNSIGNED_BYTE));
// Blending
scm_c_define ("GL_BLEND", scm_from_int (GL_BLEND));
scm_c_define ("GL_ONE", scm_from_int (GL_ONE));
+ scm_c_define ("GL_ONE_MINUS_SRC_ALPHA", scm_from_int (GL_ONE_MINUS_SRC_ALPHA));
scm_c_define ("GL_SRC_ALPHA", scm_from_int (GL_SRC_ALPHA));
// Fog
scm_c_define_gsubr ("glBegin", 1, 0, 0, gacela_glBegin);
+ scm_c_define_gsubr ("glClear", 1, 0, 0, gacela_glClear);
+ scm_c_define_gsubr ("glClearColor", 4, 0, 0, gacela_glClearColor);
+ scm_c_define_gsubr ("glClearDepth", 1, 0, 0, gacela_glClearDepth);
+ scm_c_define_gsubr ("glColor3f", 3, 0, 0, gacela_glColor3f);
+ scm_c_define_gsubr ("glColor4f", 4, 0, 0, gacela_glColor4f);
+ scm_c_define_gsubr ("glDepthFunc", 1, 0, 0, gacela_glDepthFunc);
+ scm_c_define_gsubr ("glEnable", 1, 0, 0, gacela_glEnable);
+ scm_c_define_gsubr ("glDisable", 1, 0, 0, gacela_glDisable);
+ scm_c_define_gsubr ("glEnd", 0, 0, 0, gacela_glEnd);
+ scm_c_define_gsubr ("glHint", 2, 0, 0, gacela_glHint);
+ scm_c_define_gsubr ("glLoadIdentity", 0, 0, 0, gacela_glLoadIdentity);
+ scm_c_define_gsubr ("glMatrixMode", 1, 0, 0, gacela_glMatrixMode);
+ scm_c_define_gsubr ("glRotatef", 4, 0, 0, gacela_glRotatef);
+ scm_c_define_gsubr ("glShadeModel", 1, 0, 0, gacela_glShadeModel);
+ scm_c_define_gsubr ("glTranslatef", 3, 0, 0, gacela_glTranslatef);
+ scm_c_define_gsubr ("glVertex2f", 2, 0, 0, gacela_glVertex2f);
+ scm_c_define_gsubr ("glVertex3f", 3, 0, 0, gacela_glVertex3f);
+ scm_c_define_gsubr ("glViewport", 4, 0, 0, gacela_glViewport);
+ scm_c_define_gsubr ("glGenTextures", 1, 0, 0, gacela_glGenTextures);
+ scm_c_define_gsubr ("glDeleteTextures", 2, 0, 0, gacela_glDeleteTextures);
+ scm_c_define_gsubr ("glBindTexture", 2, 0, 0, gacela_glBindTexture);
+ scm_c_define_gsubr ("glTexImage2D", 9, 0, 0, gacela_glTexImage2D);
+ scm_c_define_gsubr ("glTexParameteri", 3, 0, 0, gacela_glTexParameteri);
+ scm_c_define_gsubr ("glTexCoord2f", 2, 0, 0, gacela_glTexCoord2f);
+ scm_c_define_gsubr ("glLightfv", 3, 0, 0, gacela_glLightfv);
+ scm_c_define_gsubr ("glNormal3f", 3, 0, 0, gacela_glNormal3f);
+ scm_c_define_gsubr ("glBlendFunc", 2, 0, 0, gacela_glBlendFunc);
+ scm_c_define_gsubr ("glOrtho", 6, 0, 0, gacela_glOrtho);
+ scm_c_define_gsubr ("glPushMatrix", 0, 0, 0, gacela_glPushMatrix);
+ scm_c_define_gsubr ("glPopMatrix", 0, 0, 0, gacela_glPopMatrix);
+
+ scm_c_define_gsubr ("gluPerspective", 4, 0, 0, gacela_gluPerspective);
+ scm_c_define_gsubr ("gluBuild2DMipmaps", 7, 0, 0, gacela_gluBuild2DMipmaps);
+ scm_c_define_gsubr ("gluLookAt", 9, 0, 0, gacela_gluLookAt);
return NULL;
}
projects / gacela.git / blobdiff