void
AG_GLViewDraw(void *obj)
{
AG_GLView *glv = obj;
AG_Driver *drv = WIDGET(glv)->drv;
GLint vpSave[4];
Uint hView;
glGetIntegerv(GL_VIEWPORT, vpSave);
if (glv->flags & AG_GLVIEW_INIT_MATRICES) {
glv->flags &= ~(AG_GLVIEW_INIT_MATRICES);
SetIdentity(glv->mProjection, GL_PROJECTION);
SetIdentity(glv->mModelview, GL_MODELVIEW);
SetIdentity(glv->mTexture, GL_TEXTURE);
}
if (glv->flags & AG_GLVIEW_RESHAPE) {
glv->flags &= ~(AG_GLVIEW_RESHAPE);
AG_GLViewReshape(glv);
}
if (AGDRIVER_SINGLE(drv)) {
hView = AGDRIVER_SW(drv)->h;
} else {
hView = HEIGHT(WIDGET(glv)->window);
}
glViewport(WIDGET(glv)->rView.x1,
hView - WIDGET(glv)->rView.y2,
WIDTH(glv), HEIGHT(glv));
glMatrixMode(GL_TEXTURE);
glPushMatrix();
glLoadMatrixf(glv->mTexture);
glMatrixMode(GL_PROJECTION);
glPushMatrix();
glLoadMatrixf(glv->mProjection);
glMatrixMode(GL_MODELVIEW);
glPushMatrix();
glLoadMatrixf(glv->mModelview);
glPushAttrib(GL_TRANSFORM_BIT);
glDisable(GL_CLIP_PLANE0);
glDisable(GL_CLIP_PLANE1);
glDisable(GL_CLIP_PLANE2);
glDisable(GL_CLIP_PLANE3);
if (glv->draw_ev != NULL)
glv->draw_ev->handler(glv->draw_ev);
glPopAttrib();
glMatrixMode(GL_MODELVIEW);
glPopMatrix();
glMatrixMode(GL_TEXTURE);
glPopMatrix();
glMatrixMode(GL_PROJECTION);
glPopMatrix();
glViewport(vpSave[0], vpSave[1], vpSave[2], vpSave[3]);
if (glv->overlay_ev != NULL)
glv->overlay_ev->handler(glv->overlay_ev);
}
void
AG_GLViewDraw(void *obj)
{
AG_GLView *glv = obj;
AG_Driver *drv = WIDGET(glv)->drv;
Uint hView;
if (glv->flags & AG_GLVIEW_BGFILL) {
AG_DrawRect(glv,
AG_RECT(0,0, WIDTH(glv), HEIGHT(glv)),
glv->bgColor);
}
if (glv->underlay_ev != NULL)
glv->underlay_ev->handler(glv->underlay_ev);
glPushAttrib(GL_TRANSFORM_BIT | GL_VIEWPORT_BIT);
if (glv->flags & AG_GLVIEW_INIT_MATRICES) {
glv->flags &= ~(AG_GLVIEW_INIT_MATRICES);
SetIdentity(glv->mProjection, GL_PROJECTION);
SetIdentity(glv->mModelview, GL_MODELVIEW);
SetIdentity(glv->mTexture, GL_TEXTURE);
}
if (glv->flags & AG_GLVIEW_RESHAPE) {
glv->flags &= ~(AG_GLVIEW_RESHAPE);
AG_GLViewReshape(glv);
}
if (AGDRIVER_SINGLE(drv)) {
hView = AGDRIVER_SW(drv)->h;
} else {
hView = HEIGHT(WIDGET(glv)->window);
}
glViewport(WIDGET(glv)->rView.x1,
hView - WIDGET(glv)->rView.y2,
WIDTH(glv), HEIGHT(glv));
glMatrixMode(GL_TEXTURE);
glPushMatrix();
glLoadMatrixf(glv->mTexture);
glMatrixMode(GL_PROJECTION);
glPushMatrix();
glLoadMatrixf(glv->mProjection);
glMatrixMode(GL_MODELVIEW);
glPushMatrix();
glLoadMatrixf(glv->mModelview);
glDisable(GL_CLIP_PLANE0);
glDisable(GL_CLIP_PLANE1);
glDisable(GL_CLIP_PLANE2);
glDisable(GL_CLIP_PLANE3);
if (glv->draw_ev != NULL)
glv->draw_ev->handler(glv->draw_ev);
glMatrixMode(GL_MODELVIEW);
glPopMatrix();
glMatrixMode(GL_PROJECTION);
glPopMatrix();
glMatrixMode(GL_TEXTURE);
glPopMatrix();
/* restore transform and viewport */
glPopAttrib();
if (glv->overlay_ev != NULL) {
glPushAttrib(GL_TRANSFORM_BIT);
glv->overlay_ev->handler(glv->overlay_ev);
glPopAttrib();
}
}