scummvm/engines/tetraedge/te/te_3d_texture.h

93 lines
2.6 KiB
C++

/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#ifndef TETRAEDGE_TE_TE_3D_TEXTURE_H
#define TETRAEDGE_TE_TE_3D_TEXTURE_H
#include "common/path.h"
#include "common/ptr.h"
#include "common/str.h"
#include "tetraedge/te/te_image.h"
#include "tetraedge/te/te_intrusive_ptr.h"
#include "tetraedge/te/te_matrix4x4.h"
#include "tetraedge/te/te_resource.h"
#include "tetraedge/te/te_vector2s32.h"
namespace Tetraedge {
class Te3DTexture : public TeResource {
public:
Te3DTexture();
virtual ~Te3DTexture();
virtual void bind() const = 0;
virtual void copyCurrentRender(uint xoffset, uint yoffset, uint x, uint y) = 0;
virtual void create() = 0;
virtual void destroy() = 0;
virtual void forceTexData(uint gltexture, uint xsize, uint ysize) = 0;
TeImage::Format getFormat() const { return _format; }
bool hasAlpha() const;
bool load(const Common::Path &path);
virtual bool load(const TeImage &img) = 0;
// The original passes a GL enum param, but it's only ever GL_INVALID or GL_ALPHA.
// Simplify to avoid leaking gl types.
static TeIntrusivePtr<Te3DTexture> load2(const Common::Path &path, bool alphaOnly);
static TeVector2s32 optimisedSize(const TeVector2s32 &size);
virtual bool unload() = 0;
virtual void update(const TeImage &img, uint xoff, uint yoff) = 0;
virtual void writeTo(Graphics::Surface &surf) = 0;
uint width() const { return _width; }
uint height() const { return _height; }
void setLoadAlphaOnly() { _alphaOnly = true; }
static Te3DTexture *makeInstance();
protected:
uint _width;
uint _height;
TeImage::Format _format;
bool _createdTexture;
bool _loaded;
TeMatrix4x4 _matrix;
bool _alphaOnly;
uint _texWidth;
uint _texHeight;
uint _leftBorder;
uint _btmBorder;
uint _rightBorder;
uint _topBorder;
bool _flipY;
};
} // end namespace Tetraedge
#endif // TETRAEDGE_TE_TE_3D_TEXTURE_H