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73 lines
2.1 KiB
C++
73 lines
2.1 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include "engines/stark/gfx/tinyglbitmap.h"
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#include "engines/stark/gfx/driver.h"
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#include "graphics/surface.h"
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namespace Stark {
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namespace Gfx {
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TinyGlBitmap::TinyGlBitmap() :
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Bitmap(),
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_1x1Color(0) {
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_blitImage = tglGenBlitImage();
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}
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TinyGlBitmap::~TinyGlBitmap() {
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tglDeleteBlitImage(_blitImage);
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}
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void TinyGlBitmap::bind() const {
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}
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void TinyGlBitmap::update(const Graphics::Surface *surface, const byte *palette) {
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_width = surface->w;
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_height = surface->h;
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if (surface->format.bytesPerPixel != 4) {
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// Convert the surface to bitmap format
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Graphics::Surface *convertedSurface = surface->convertTo(Driver::getRGBAPixelFormat(), palette);
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tglUploadBlitImage(_blitImage, *convertedSurface, 0, false);
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convertedSurface->free();
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delete convertedSurface;
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} else {
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assert(surface->format == Driver::getRGBAPixelFormat());
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// W/A for 1x1 size bitmap
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// store pixel color used later fo creating scalled bitmap
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if (_width == 1 && _height == 1) {
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_1x1Color = surface->getPixel(0, 0);
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}
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tglUploadBlitImage(_blitImage, *surface, 0, false);
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}
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}
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void TinyGlBitmap::setSamplingFilter(Bitmap::SamplingFilter filter) {
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}
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TinyGL::BlitImage *TinyGlBitmap::getBlitImage() const {
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return _blitImage;
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}
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} // End of namespace Gfx
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} // End of namespace Stark
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