Difference for arch/ogl/ogl.c from version 1.27 to 1.28

version 1.27

version 1.28

Line 1119

return 0;

}

grs_canvas *offscreen_save_canv=NULL, *offscreen_canv=NULL;

void ogl_start_offscreen_render(int x, int y, int w, int h) {

if (offscreen_canv) Error("ogl_start_offscreen_render: offscreen_canv!=NULL");

offscreen_save_canv = grd_curcanv;

offscreen_canv = gr_create_sub_canvas(grd_curcanv, x, y, w, h);

gr_set_current_canvas(offscreen_canv);

glDrawBuffer(GL_BACK);

}

void ogl_end_offscreen_render(void) {

int y;

if (!offscreen_canv) Error("ogl_end_offscreen_render: no offscreen_canv");

glDrawBuffer(GL_FRONT);

glReadBuffer(GL_BACK);

OGL_DISABLE(TEXTURE_2D);

y = last_height - offscreen_canv->cv_bitmap.bm_y - offscreen_canv->cv_bitmap.bm_h;

glRasterPos2f(offscreen_canv->cv_bitmap.bm_x/(float)last_width, y/(float)last_height);

glCopyPixels(offscreen_canv->cv_bitmap.bm_x, y,

offscreen_canv->cv_bitmap.bm_w, offscreen_canv->cv_bitmap.bm_h, GL_COLOR);

gr_free_sub_canvas(offscreen_canv);

gr_set_current_canvas(offscreen_save_canv);

offscreen_canv=NULL;

}

void ogl_start_frame(void){

r_polyc=0;r_tpolyc=0;r_bitmapc=0;r_ubitmapc=0;r_ubitbltc=0;r_upixelc=0;

// gl_badtexture=500;

Line 1174

Line 1200

//gluPerspective(90.0,(GLfloat)(grd_curscreen->sc_w*3)/(GLfloat)(grd_curscreen->sc_h*4),1.0,1000000.0);

// ogl_swap_buffers();//platform specific code

// glClear(GL_COLOR_BUFFER_BIT);

}

void ogl_swap_buffers(void){

ogl_clean_texture_cache();