#ifdef USE_GL
+/* Should be in <GL/glext.h> */
+# ifndef GL_TEXTURE_MAX_ANISOTROPY_EXT
+# define GL_TEXTURE_MAX_ANISOTROPY_EXT 0x84FE
+# endif
+# ifndef GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT
+# define GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT 0x84FF
+# endif
+
+#define DEF_ROTATE "True"
static int rotate;
#define QW 12
static argtype vars[] = {
- {&rotate, "rotate", "Rotate", "True", t_Bool},
+ {&rotate, "rotate", "Rotate", DEF_ROTATE, t_Bool},
};
Bool waiting_for_image_p;
Bool first_image_p;
+ GLfloat anisotropic;
+
} Screenflip;
static Screenflip *screenflip = NULL;
#include "grab-ximage.h"
-#ifndef M_PI
-#define M_PI 3.14159265
-#endif
-
static const GLfloat viewer[] = {0.0, 0.0, 15.0};
}
else if (event->xany.type == ButtonPress &&
(event->xbutton.button == Button4 ||
- event->xbutton.button == Button5))
+ event->xbutton.button == Button5 ||
+ event->xbutton.button == Button6 ||
+ event->xbutton.button == Button7))
{
gltrackball_mousewheel (c->trackball, event->xbutton.button, 10,
!!event->xbutton.state);
static void display(Screenflip *c, int wire)
{
int frozen;
+ GLfloat rot = current_device_rotation();
glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);
glLoadIdentity();
gluLookAt(viewer[0], viewer[1], viewer[2], 0.0, 0.0, 0.0, 0.0, 1.0, 0.0);
glPushMatrix();
+ glRotatef(rot, 0, 0, 1);
+ if ((rot > 45 && rot < 135) ||
+ (rot < -45 && rot > -135))
+ {
+ GLfloat s = c->winw / (GLfloat) c->winh;
+ glScalef (s, 1/s, 1);
+ }
+
if (inposition(c)) {
frozen = 0;
glTranslatef(5 * sin(c->theta), 5 * sin(c->rho), 10 * cos(c->gamma) - 10);
if (random() % 2)
c->dgamma = 1/60 - (float)(random() % 100)/3000;
}
+ glRotatef(-rot, 0, 0, 1);
gltrackball_rotate (c->trackball);
+ glRotatef(rot, 0, 0, 1);
if (rotate) glRotatef(c->rot, c->rx, c->ry, c->rz);
/* update variables with each frame */
if(!c->button_down_p && !c->fadetime) {
glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER,
(c->mipmap_p ? GL_LINEAR_MIPMAP_LINEAR : GL_LINEAR));
+ if (c->anisotropic >= 1.0)
+ glTexParameterf (GL_TEXTURE_2D, GL_TEXTURE_MAX_ANISOTROPY_EXT,
+ c->anisotropic);
+
c->waiting_for_image_p = False;
c->first_image_p = False;
}
c->show_colors[0] = c->show_colors[1] =
c->show_colors[2] = c->show_colors[3] = 1;
- glClearColor(0.0,0.0,0.0,0.0);
-
if (! MI_IS_WIREFRAME(mi))
{
glShadeModel(GL_SMOOTH);
glDisable(GL_LIGHTING);
}
+ if (strstr ((char *) glGetString(GL_EXTENSIONS),
+ "GL_EXT_texture_filter_anisotropic"))
+ glGetFloatv (GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT, &c->anisotropic);
+ else
+ c->anisotropic = 0.0;
+
glGenTextures(1, &c->texid);
c->first_image_p = True;