[3] | 1 | |
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| 2 | /* |
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| 3 | ----------------------------------------------------------------------------- |
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| 4 | This source file is part of OGRE |
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| 5 | (Object-oriented Graphics Rendering Engine) |
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| 6 | For the latest info, see http://www.ogre3d.org/ |
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| 7 | |
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| 8 | Copyright (c) 2000-2006 Torus Knot Software Ltd |
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| 9 | Also see acknowledgements in Readme.html |
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| 10 | |
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| 11 | This program is free software; you can redistribute it and/or modify it under |
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| 12 | the terms of the GNU Lesser General Public License as published by the Free Software |
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| 13 | Foundation; either version 2 of the License, or (at your option) any later |
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| 14 | version. |
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| 15 | |
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| 16 | This program is distributed in the hope that it will be useful, but WITHOUT |
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| 17 | ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS |
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| 18 | FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. |
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| 19 | |
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| 20 | You should have received a copy of the GNU Lesser General Public License along with |
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| 21 | this program; if not, write to the Free Software Foundation, Inc., 59 Temple |
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| 22 | Place - Suite 330, Boston, MA 02111-1307, USA, or go to |
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| 23 | http://www.gnu.org/copyleft/lesser.txt. |
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| 24 | |
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| 25 | You may alternatively use this source under the terms of a specific version of |
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| 26 | the OGRE Unrestricted License provided you have obtained such a license from |
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| 27 | Torus Knot Software Ltd. |
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| 28 | ----------------------------------------------------------------------------- |
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| 29 | */ |
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| 30 | |
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| 31 | #include "OgreTerrainVertexProgram.h" |
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| 32 | |
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| 33 | namespace Ogre { |
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| 34 | |
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| 35 | String TerrainVertexProgram::mNoFogArbvp1 = |
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| 36 | "!!ARBvp1.0\n" |
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| 37 | "PARAM c5 = { 1, 1, 1, 1 };\n" |
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| 38 | "#var float4x4 worldViewProj : : c[0], 4 : 8 : 1\n" |
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| 39 | "#var float morphFactor : : c[4] : 9 : 1\n" |
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| 40 | "TEMP R0;\n" |
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| 41 | "ATTRIB v17 = vertex.attrib[1];\n" |
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| 42 | "ATTRIB v25 = vertex.texcoord[1];\n" |
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| 43 | "ATTRIB v24 = vertex.texcoord[0];\n" |
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| 44 | "ATTRIB v16 = vertex.position;\n" |
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| 45 | "PARAM c0[4] = { program.local[0..3] };\n" |
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| 46 | "PARAM c4 = program.local[4];\n" |
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| 47 | " MOV result.texcoord[0], v24;\n" |
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| 48 | " MOV result.texcoord[1], v25;\n" |
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| 49 | " MOV R0, v16;\n" |
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| 50 | " MAD R0.y, v17.x, c4.x, R0.y;\n" |
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| 51 | " DP4 result.position.x, c0[0], R0;\n" |
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| 52 | " DP4 result.position.y, c0[1], R0;\n" |
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| 53 | " DP4 result.position.z, c0[2], R0;\n" |
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| 54 | " DP4 result.position.w, c0[3], R0;\n" |
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| 55 | " MOV result.color.front.primary, c5.x;\n" |
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| 56 | "END\n"; |
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| 57 | |
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| 58 | String TerrainVertexProgram::mShadowReceiverArbvp1 = |
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| 59 | "!!ARBvp1.0\n" |
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| 60 | "PARAM c[14] = { program.local[0..12], { 1 } };\n" |
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| 61 | "TEMP R0;\n" |
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| 62 | "TEMP R1;\n" |
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| 63 | "TEMP R2;\n" |
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| 64 | "MOV result.color, c[13].x;\n" |
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| 65 | "MUL R0.x, vertex.attrib[1], c[12];\n" |
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| 66 | "ADD R1.y, R0.x, vertex.position;\n" |
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| 67 | "MOV R1.xzw, vertex.position;\n" |
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| 68 | "DP4 result.position.w, R1, c[3];\n" |
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| 69 | "DP4 result.position.z, R1, c[2];\n" |
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| 70 | "DP4 R0.w, R1, c[7];\n" |
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| 71 | "DP4 R0.z, R1, c[6];\n" |
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| 72 | "DP4 R0.y, R1, c[5];\n" |
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| 73 | "DP4 R0.x, R1, c[4];\n" |
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| 74 | "DP4 result.position.y, R1, c[1];\n" |
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| 75 | "DP4 R2.y, R0, c[9];\n" |
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| 76 | "DP4 R2.z, R0, c[11];\n" |
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| 77 | "DP4 R2.x, R0, c[8];\n" |
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| 78 | "RCP R0.x, R2.z;\n" |
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| 79 | "DP4 result.position.x, R1, c[0];\n" |
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| 80 | "MUL result.texcoord[0].xy, R2, R0.x;\n" |
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| 81 | "END\n"; |
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| 82 | String TerrainVertexProgram::mLinearFogArbvp1 = |
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| 83 | "!!ARBvp1.0\n" |
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| 84 | "PARAM c5 = { 1, 1, 1, 1 };\n" |
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| 85 | "#var float4x4 worldViewProj : : c[0], 4 : 9 : 1\n" |
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| 86 | "#var float morphFactor : : c[4] : 10 : 1\n" |
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| 87 | "TEMP R0, R1;\n" |
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| 88 | "ATTRIB v17 = vertex.attrib[1];\n" |
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| 89 | "ATTRIB v25 = vertex.texcoord[1];\n" |
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| 90 | "ATTRIB v24 = vertex.texcoord[0];\n" |
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| 91 | "ATTRIB v16 = vertex.position;\n" |
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| 92 | "PARAM c0[4] = { program.local[0..3] };\n" |
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| 93 | "PARAM c4 = program.local[4];\n" |
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| 94 | " MOV result.texcoord[0], v24;\n" |
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| 95 | " MOV result.texcoord[1], v25;\n" |
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| 96 | " MOV R1, v16;\n" |
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| 97 | " MAD R1.y, v17.x, c4.x, R1.y;\n" |
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| 98 | " DP4 R0.x, c0[0], R1;\n" |
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| 99 | " DP4 R0.y, c0[1], R1;\n" |
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| 100 | " DP4 R0.z, c0[2], R1;\n" |
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| 101 | " DP4 R0.w, c0[3], R1;\n" |
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| 102 | " MOV result.fogcoord.x, R0.z;\n" |
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| 103 | " MOV result.position, R0;\n" |
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| 104 | " MOV result.color.front.primary, c5.x;\n" |
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| 105 | "END\n"; |
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| 106 | String TerrainVertexProgram::mExpFogArbvp1 = |
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| 107 | "!!ARBvp1.0\n" |
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| 108 | "PARAM c6 = { 1, 1, 1, 1 };\n" |
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| 109 | "PARAM c7 = { 2.71828, 0, 0, 0 };\n" |
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| 110 | "#var float4x4 worldViewProj : : c[0], 4 : 9 : 1\n" |
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| 111 | "#var float morphFactor : : c[4] : 10 : 1\n" |
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| 112 | "#var float fogDensity : : c[5] : 11 : 1\n" |
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| 113 | "TEMP R0, R1;\n" |
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| 114 | "ATTRIB v17 = vertex.attrib[1];\n" |
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| 115 | "ATTRIB v25 = vertex.texcoord[1];\n" |
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| 116 | "ATTRIB v24 = vertex.texcoord[0];\n" |
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| 117 | "ATTRIB v16 = vertex.position;\n" |
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| 118 | "PARAM c5 = program.local[5];\n" |
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| 119 | "PARAM c0[4] = { program.local[0..3] };\n" |
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| 120 | "PARAM c4 = program.local[4];\n" |
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| 121 | " MOV result.texcoord[0], v24;\n" |
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| 122 | " MOV result.texcoord[1], v25;\n" |
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| 123 | " MOV R1, v16;\n" |
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| 124 | " MAD R1.y, v17.x, c4.x, R1.y;\n" |
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| 125 | " DP4 R0.x, c0[0], R1;\n" |
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| 126 | " DP4 R0.y, c0[1], R1;\n" |
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| 127 | " DP4 R0.z, c0[2], R1;\n" |
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| 128 | " DP4 R0.w, c0[3], R1;\n" |
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| 129 | " MOV result.position, R0;\n" |
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| 130 | " MOV result.color.front.primary, c6.x;\n" |
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| 131 | " MUL R0.zw, R0.z, c5.x;\n" |
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| 132 | " MOV R0.xy, c7.x;\n" |
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| 133 | " LIT R0.z, R0;\n" |
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| 134 | " RCP result.fogcoord.x, R0.z;\n" |
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| 135 | "END\n"; |
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| 136 | String TerrainVertexProgram::mExp2FogArbvp1 = |
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| 137 | "!!ARBvp1.0\n" |
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| 138 | "PARAM c6 = { 1, 1, 1, 1 };\n" |
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| 139 | "PARAM c7 = { 0.002, 2.71828, 0, 0 };\n" |
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| 140 | "#var float4x4 worldViewProj : : c[0], 4 : 9 : 1\n" |
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| 141 | "#var float morphFactor : : c[4] : 10 : 1\n" |
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| 142 | "#var float fogDensity : : c[5] : 11 : 1\n" |
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| 143 | "TEMP R0, R1;\n" |
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| 144 | "ATTRIB v17 = vertex.attrib[1];\n" |
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| 145 | "ATTRIB v25 = vertex.texcoord[1];\n" |
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| 146 | "ATTRIB v24 = vertex.texcoord[0];\n" |
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| 147 | "ATTRIB v16 = vertex.position;\n" |
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| 148 | "PARAM c0[4] = { program.local[0..3] };\n" |
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| 149 | "PARAM c4 = program.local[4];\n" |
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| 150 | " MOV result.texcoord[0], v24;\n" |
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| 151 | " MOV result.texcoord[1], v25;\n" |
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| 152 | " MOV R1, v16;\n" |
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| 153 | " MAD R1.y, v17.x, c4.x, R1.y;\n" |
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| 154 | " DP4 R0.x, c0[0], R1;\n" |
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| 155 | " DP4 R0.y, c0[1], R1;\n" |
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| 156 | " DP4 R0.z, c0[2], R1;\n" |
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| 157 | " DP4 R0.w, c0[3], R1;\n" |
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| 158 | " MOV result.position, R0;\n" |
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| 159 | " MOV result.color.front.primary, c6.x;\n" |
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| 160 | " MUL R0.x, R0.z, c7.x;\n" |
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| 161 | " MUL R0.zw, R0.x, R0.x;\n" |
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| 162 | " MOV R0.xy, c7.y;\n" |
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| 163 | " LIT R0.z, R0;\n" |
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| 164 | " RCP result.fogcoord.x, R0.z;\n" |
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| 165 | "END\n"; |
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| 166 | |
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| 167 | String TerrainVertexProgram::mNoFogVs_1_1 = |
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| 168 | "vs_1_1\n" |
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| 169 | "def c5, 1, 1, 1, 1\n" |
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| 170 | "//var float4x4 worldViewProj : : c[0], 4 : 8 : 1\n" |
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| 171 | "//var float morphFactor : : c[4] : 9 : 1\n" |
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| 172 | "dcl_blendweight v1\n" |
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| 173 | "dcl_texcoord1 v8\n" |
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| 174 | "dcl_texcoord0 v7\n" |
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| 175 | "dcl_position v0\n" |
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| 176 | " mov oT0.xy, v7\n" |
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| 177 | " mov oT1.xy, v8\n" |
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| 178 | " mov r0, v0\n" |
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| 179 | " mad r0.y, v1.x, c4.x, r0.y\n" |
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| 180 | " dp4 oPos.x, c0, r0\n" |
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| 181 | " dp4 oPos.y, c1, r0\n" |
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| 182 | " dp4 oPos.z, c2, r0\n" |
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| 183 | " dp4 oPos.w, c3, r0\n" |
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| 184 | " mov oD0, c5.x\n"; |
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| 185 | String TerrainVertexProgram::mLinearFogVs_1_1 = |
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| 186 | "vs_1_1\n" |
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| 187 | "def c5, 1, 1, 1, 1\n" |
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| 188 | "//var float4x4 worldViewProj : : c[0], 4 : 9 : 1\n" |
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| 189 | "//var float morphFactor : : c[4] : 10 : 1\n" |
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| 190 | "dcl_blendweight v1\n" |
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| 191 | "dcl_texcoord1 v8\n" |
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| 192 | "dcl_texcoord0 v7\n" |
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| 193 | "dcl_position v0\n" |
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| 194 | " mov oT0.xy, v7\n" |
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| 195 | " mov oT1.xy, v8\n" |
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| 196 | " mov r1, v0\n" |
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| 197 | " mad r1.y, v1.x, c4.x, r1.y\n" |
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| 198 | " dp4 r0.x, c0, r1\n" |
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| 199 | " dp4 r0.y, c1, r1\n" |
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| 200 | " dp4 r0.z, c2, r1\n" |
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| 201 | " dp4 r0.w, c3, r1\n" |
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| 202 | " mov oFog, r0.z\n" |
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| 203 | " mov oPos, r0\n" |
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| 204 | " mov oD0, c5.x\n"; |
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| 205 | |
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| 206 | String TerrainVertexProgram::mShadowReceiverVs_1_1 = |
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| 207 | "vs_1_1\n" |
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| 208 | "def c13, 1, 1, 1, 1\n" |
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| 209 | "dcl_blendweight v1\n" |
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| 210 | "dcl_texcoord1 v8\n" |
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| 211 | "dcl_texcoord0 v7\n" |
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| 212 | "dcl_position v0\n" |
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| 213 | "mov r1, v0\n" |
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| 214 | "mad r1.y, v1.x, c12.x, r1.y\n" |
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| 215 | "dp4 oPos.x, c0, r1\n" |
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| 216 | "dp4 oPos.y, c1, r1\n" |
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| 217 | "dp4 oPos.z, c2, r1\n" |
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| 218 | "dp4 oPos.w, c3, r1\n" |
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| 219 | "dp4 r0.x, c4, r1\n" |
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| 220 | "dp4 r0.y, c5, r1\n" |
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| 221 | "dp4 r0.z, c6, r1\n" |
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| 222 | "dp4 r0.w, c7, r1\n" |
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| 223 | "dp4 r1.x, c8, r0\n" |
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| 224 | "dp4 r1.y, c9, r0\n" |
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| 225 | "dp4 r1.w, c11, r0\n" |
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| 226 | "rcp r0.x, r1.w\n" |
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| 227 | "mul oT0.xy, r1.xy, r0.x\n" |
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| 228 | "mov oD0, c13\n"; |
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| 229 | String TerrainVertexProgram::mExpFogVs_1_1 = |
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| 230 | "vs_1_1\n" |
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| 231 | "def c6, 1, 1, 1, 1\n" |
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| 232 | "def c7, 2.71828, 0, 0, 0\n" |
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| 233 | "//var float4x4 worldViewProj : : c[0], 4 : 9 : 1\n" |
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| 234 | "//var float morphFactor : : c[4] : 10 : 1\n" |
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| 235 | "//var float fogDensity : : c[5] : 11 : 1\n" |
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| 236 | "dcl_blendweight v1\n" |
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| 237 | "dcl_texcoord1 v8\n" |
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| 238 | "dcl_texcoord0 v7\n" |
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| 239 | "dcl_position v0\n" |
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| 240 | " mov oT0.xy, v7\n" |
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| 241 | " mov oT1.xy, v8\n" |
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| 242 | " mov r1, v0\n" |
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| 243 | " mad r1.y, v1.x, c4.x, r1.y\n" |
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| 244 | " dp4 r0.x, c0, r1\n" |
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| 245 | " dp4 r0.y, c1, r1\n" |
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| 246 | " dp4 r0.z, c2, r1\n" |
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| 247 | " dp4 r0.w, c3, r1\n" |
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| 248 | " mov oPos, r0\n" |
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| 249 | " mov oD0, c6.x\n" |
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| 250 | " mul r0.zw, r0.z, c5.x\n" |
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| 251 | " mov r0.xy, c7.x\n" |
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| 252 | " lit r0.z, r0\n" |
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| 253 | " rcp oFog, r0.z\n"; |
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| 254 | String TerrainVertexProgram::mExp2FogVs_1_1 = |
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| 255 | "vs_1_1\n" |
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| 256 | "def c6, 1, 1, 1, 1\n" |
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| 257 | "def c7, 0.002, 2.71828, 0, 0\n" |
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| 258 | "//var float4x4 worldViewProj : : c[0], 4 : 9 : 1\n" |
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| 259 | "//var float morphFactor : : c[4] : 10 : 1\n" |
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| 260 | "//var float fogDensity : : c[5] : 11 : 1\n" |
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| 261 | "dcl_blendweight v1\n" |
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| 262 | "dcl_texcoord1 v8\n" |
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| 263 | "dcl_texcoord0 v7\n" |
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| 264 | "dcl_position v0\n" |
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| 265 | " mov oT0.xy, v7\n" |
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| 266 | " mov oT1.xy, v8\n" |
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| 267 | " mov r1, v0\n" |
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| 268 | " mad r1.y, v1.x, c4.x, r1.y\n" |
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| 269 | " dp4 r0.x, c0, r1\n" |
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| 270 | " dp4 r0.y, c1, r1\n" |
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| 271 | " dp4 r0.z, c2, r1\n" |
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| 272 | " dp4 r0.w, c3, r1\n" |
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| 273 | " mov oPos, r0\n" |
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| 274 | " mov oD0, c6.x\n" |
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| 275 | " mul r0.x, r0.z, c7.x\n" |
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| 276 | " mul r0.zw, r0.x, r0.x\n" |
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| 277 | " mov r0.xy, c7.y\n" |
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| 278 | " lit r0.z, r0\n" |
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| 279 | " rcp oFog, r0.z\n"; |
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| 280 | |
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| 281 | const String& TerrainVertexProgram::getProgramSource( |
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| 282 | FogMode fogMode, const String syntax, bool shadowReceiver) |
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| 283 | { |
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| 284 | if (shadowReceiver) |
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| 285 | { |
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| 286 | if (syntax == "arbvp1") |
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| 287 | { |
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| 288 | return mShadowReceiverArbvp1; |
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| 289 | } |
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| 290 | else |
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| 291 | { |
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| 292 | return mShadowReceiverVs_1_1; |
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| 293 | } |
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| 294 | } |
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| 295 | else |
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| 296 | { |
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| 297 | |
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| 298 | switch(fogMode) |
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| 299 | { |
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| 300 | case FOG_NONE: |
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| 301 | if (syntax == "arbvp1") |
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| 302 | { |
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| 303 | return mNoFogArbvp1; |
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| 304 | } |
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| 305 | else |
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| 306 | { |
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| 307 | return mNoFogVs_1_1; |
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| 308 | } |
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| 309 | break; |
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| 310 | case FOG_LINEAR: |
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| 311 | if (syntax == "arbvp1") |
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| 312 | { |
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| 313 | return mLinearFogArbvp1; |
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| 314 | } |
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| 315 | else |
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| 316 | { |
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| 317 | return mLinearFogVs_1_1; |
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| 318 | } |
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| 319 | break; |
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| 320 | case FOG_EXP: |
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| 321 | if (syntax == "arbvp1") |
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| 322 | { |
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| 323 | return mExpFogArbvp1; |
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| 324 | } |
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| 325 | else |
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| 326 | { |
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| 327 | return mExpFogVs_1_1; |
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| 328 | } |
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| 329 | break; |
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| 330 | case FOG_EXP2: |
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| 331 | if (syntax == "arbvp1") |
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| 332 | { |
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| 333 | return mExp2FogArbvp1; |
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| 334 | } |
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| 335 | else |
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| 336 | { |
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| 337 | return mExp2FogVs_1_1; |
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| 338 | } |
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| 339 | break; |
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| 340 | }; |
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| 341 | } |
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| 342 | // default |
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| 343 | return StringUtil::BLANK; |
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| 344 | |
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| 345 | } |
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| 346 | } |
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