mirror of https://github.com/BOINC/boinc.git
80 lines
2.2 KiB
C++
80 lines
2.2 KiB
C++
// This file is part of BOINC.
|
|
// http://boinc.berkeley.edu
|
|
// Copyright (C) 2019 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;
|
|
}
|