2016-04-19 03:22:32 -04:00
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;* 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
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;* modify it under the terms of the GNU General Public License
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;* as published by the Free Software Foundation; either version 2
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;* of the License, or (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, write to the Free Software
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;* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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;*
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2016-04-06 02:12:02 -04:00
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; Uniforms
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.fvec projection[4], modelView[4]
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; Constants
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.constf myconst(0.0, 1.0, -1.0, 0.1)
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.alias zeros myconst.xxxx ; Vector full of zeros
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.alias ones myconst.yyyy ; Vector full of ones
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; Outputs
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.out outpos position
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.out outtex texcoord0
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; Inputs (defined as aliases for convenience)
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.alias inpos v0
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.alias intex v1
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.proc main
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; Force the w component of inpos to be 1.0
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mov r0.xyz, inpos
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mov r0.w, ones
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; r1 = modelView * inpos
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dp4 r1.x, modelView[0], r0
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dp4 r1.y, modelView[1], r0
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dp4 r1.z, modelView[2], r0
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dp4 r1.w, modelView[3], r0
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; outpos = projection * r1
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dp4 outpos.x, projection[0], r1
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dp4 outpos.y, projection[1], r1
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dp4 outpos.z, projection[2], r1
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dp4 outpos.w, projection[3], r1
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mov outtex, intex
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end
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.end
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