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2026-02-02 04:50:13 +01:00

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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 ULTIMA8_GFX_TEXTURE_H
#define ULTIMA8_GFX_TEXTURE_H
namespace Ultima {
namespace Ultima8 {
//
// Texturing Helper Macros
//
// 32 Bit Texture bit operations
#define TEX32_A_SHIFT 24
#define TEX32_A_MASK 0xFF000000
#define TEX32_A(col32) (((col32)&TEX32_A_MASK)>>TEX32_A_SHIFT)
#define TEX32_G_SHIFT 8
#define TEX32_G_MASK 0x0000FF00
#define TEX32_G(col32) (((col32)&TEX32_G_MASK)>>TEX32_G_SHIFT)
#define TEX32_B_SHIFT 16
#define TEX32_B_MASK 0x00FF0000
#define TEX32_B(col32) (((col32)&TEX32_B_MASK)>>TEX32_B_SHIFT)
#define TEX32_R_SHIFT 0
#define TEX32_R_MASK 0x000000FF
#define TEX32_R(col32) (((col32)&TEX32_R_MASK)>>TEX32_R_SHIFT)
#define TEX32_PACK_RGB(r, g, b) (uint32)(((0xFF) << TEX32_A_SHIFT) | ((r) << TEX32_R_SHIFT) | \
((g) << TEX32_G_SHIFT) | ((b) << TEX32_B_SHIFT))
#define TEX32_PACK_RGBA(r, g, b, a) (uint32)(((a) << TEX32_A_SHIFT) | ((r) << TEX32_R_SHIFT) | \
((g) << TEX32_G_SHIFT) | ((b) << TEX32_B_SHIFT))
} // End of namespace Ultima8
} // End of namespace Ultima
#endif