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core.py

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  • Forked from Gregory Ashton / PyFstat
    Source project has a limited visibility.
    graphics_data.cpp 2.24 KiB
    // This file is part of BOINC.
    // http://boinc.berkeley.edu
    // Copyright (C) 2008 University of California
    //
    // BOINC is free software; you can redistribute it and/or modify it
    // under the terms of the GNU Lesser General Public License
    // as published by the Free Software Foundation,
    // either version 3 of the License, or (at your option) any later version.
    //
    // BOINC is distributed in the hope that it will be useful,
    // but WITHOUT ANY WARRANTY; without even the implied warranty of
    // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
    // See the GNU Lesser General Public License for more details.
    //
    // You should have received a copy of the GNU Lesser General Public License
    // along with BOINC.  If not, see <http://www.gnu.org/licenses/>.
    
    #ifndef _WIN32
    #include "config.h"
    #endif
    
    #include "graphics_data.h"
    
    void GRAPHICS_BUFFER::clear() {
    }
    
    void GRAPHICS_DOUBLE_BUFFER::init(GRAPHICS_BUFFER* _b1, GRAPHICS_BUFFER* _b2) {
        b1 = _b1;
        b2 = _b2;
    }
    
    GRAPHICS_BUFFER* GRAPHICS_DOUBLE_BUFFER::get_buffer(int state) {
        if (b1->state == state) return b1;
        if (b2->state == state) return b2;
        return 0;
    }
    
    GRAPHICS_BUFFER* GRAPHICS_DOUBLE_BUFFER::get_render_buffer() {
        GRAPHICS_BUFFER* b, *other;
    
        b = get_buffer(GB_STATE_RENDERING);
        if (!b) b = get_buffer(GB_STATE_RENDERED);
        if (!b) b = get_buffer(GB_STATE_GENERATED);
        if (b) {
            if (b->state == GB_STATE_RENDERED) {
                other = get_buffer(GB_STATE_GENERATED);
                if (other) {
                    b->clear();
                    b->state = GB_STATE_IDLE;
                    b = other;
                    b->state = GB_STATE_RENDERING;
                }
            } else {
                b->state = GB_STATE_RENDERING;
            }
        }
        return b;
    }
    
    void GRAPHICS_DOUBLE_BUFFER::render_done(GRAPHICS_BUFFER* b) {
        b->state = GB_STATE_RENDERED;
    }
    
    GRAPHICS_BUFFER* GRAPHICS_DOUBLE_BUFFER::get_generate_buffer(bool first) {
        GRAPHICS_BUFFER* b;
    
        b = get_buffer(GB_STATE_GENERATING);
        if (!b && first) {
            b = get_buffer(GB_STATE_IDLE);
            if (b) {
                b->state = GB_STATE_GENERATING;
            }
        }
        return b;
    }
    
    void GRAPHICS_DOUBLE_BUFFER::generate_done(GRAPHICS_BUFFER* b) {
        b->state = GB_STATE_GENERATED;
    }
    
    const char *BOINC_RCSID_ebfbd0f929 = "$Id$";