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