192617aeac109481258f0c3863d09c1b8903d438bLuca Barbieri/**************************************************************************
292617aeac109481258f0c3863d09c1b8903d438bLuca Barbieri *
392617aeac109481258f0c3863d09c1b8903d438bLuca Barbieri * Copyright 2010 Luca Barbieri
492617aeac109481258f0c3863d09c1b8903d438bLuca Barbieri *
592617aeac109481258f0c3863d09c1b8903d438bLuca Barbieri * Permission is hereby granted, free of charge, to any person obtaining
692617aeac109481258f0c3863d09c1b8903d438bLuca Barbieri * a copy of this software and associated documentation files (the
792617aeac109481258f0c3863d09c1b8903d438bLuca Barbieri * "Software"), to deal in the Software without restriction, including
892617aeac109481258f0c3863d09c1b8903d438bLuca Barbieri * without limitation the rights to use, copy, modify, merge, publish,
992617aeac109481258f0c3863d09c1b8903d438bLuca Barbieri * distribute, sublicense, and/or sell copies of the Software, and to
1092617aeac109481258f0c3863d09c1b8903d438bLuca Barbieri * permit persons to whom the Software is furnished to do so, subject to
1192617aeac109481258f0c3863d09c1b8903d438bLuca Barbieri * the following conditions:
1292617aeac109481258f0c3863d09c1b8903d438bLuca Barbieri *
1392617aeac109481258f0c3863d09c1b8903d438bLuca Barbieri * The above copyright notice and this permission notice (including the
1492617aeac109481258f0c3863d09c1b8903d438bLuca Barbieri * next paragraph) shall be included in all copies or substantial
1592617aeac109481258f0c3863d09c1b8903d438bLuca Barbieri * portions of the Software.
1692617aeac109481258f0c3863d09c1b8903d438bLuca Barbieri *
1792617aeac109481258f0c3863d09c1b8903d438bLuca Barbieri * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
1892617aeac109481258f0c3863d09c1b8903d438bLuca Barbieri * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
1992617aeac109481258f0c3863d09c1b8903d438bLuca Barbieri * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
2092617aeac109481258f0c3863d09c1b8903d438bLuca Barbieri * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
2192617aeac109481258f0c3863d09c1b8903d438bLuca Barbieri * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
2292617aeac109481258f0c3863d09c1b8903d438bLuca Barbieri * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
2392617aeac109481258f0c3863d09c1b8903d438bLuca Barbieri * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
2492617aeac109481258f0c3863d09c1b8903d438bLuca Barbieri *
2592617aeac109481258f0c3863d09c1b8903d438bLuca Barbieri **************************************************************************/
2692617aeac109481258f0c3863d09c1b8903d438bLuca Barbieri
2792617aeac109481258f0c3863d09c1b8903d438bLuca BarbieriTexture2D tex0;
2892617aeac109481258f0c3863d09c1b8903d438bLuca BarbieriTexture2D tex1;
2992617aeac109481258f0c3863d09c1b8903d438bLuca Barbierisampler samp0;
3092617aeac109481258f0c3863d09c1b8903d438bLuca Barbierisampler samp1;
3192617aeac109481258f0c3863d09c1b8903d438bLuca Barbieri
3292617aeac109481258f0c3863d09c1b8903d438bLuca Barbieristruct IA2VS
3392617aeac109481258f0c3863d09c1b8903d438bLuca Barbieri{
3492617aeac109481258f0c3863d09c1b8903d438bLuca Barbieri	float4 position : POSITION;
3592617aeac109481258f0c3863d09c1b8903d438bLuca Barbieri	float2 texcoord : TEXCOORD;
3692617aeac109481258f0c3863d09c1b8903d438bLuca Barbieri};
3792617aeac109481258f0c3863d09c1b8903d438bLuca Barbieri
3892617aeac109481258f0c3863d09c1b8903d438bLuca Barbieristruct VS2PS
3992617aeac109481258f0c3863d09c1b8903d438bLuca Barbieri{
4092617aeac109481258f0c3863d09c1b8903d438bLuca Barbieri	float4 position : SV_POSITION;
4192617aeac109481258f0c3863d09c1b8903d438bLuca Barbieri	float2 texcoord : TEXCOORD;
4292617aeac109481258f0c3863d09c1b8903d438bLuca Barbieri	float4 factors : FACTORS;
4392617aeac109481258f0c3863d09c1b8903d438bLuca Barbieri};
4492617aeac109481258f0c3863d09c1b8903d438bLuca Barbieri
4592617aeac109481258f0c3863d09c1b8903d438bLuca BarbieriVS2PS vs(IA2VS input)
4692617aeac109481258f0c3863d09c1b8903d438bLuca Barbieri{
4792617aeac109481258f0c3863d09c1b8903d438bLuca Barbieri	VS2PS result;
4892617aeac109481258f0c3863d09c1b8903d438bLuca Barbieri	result.position = input.position;
4992617aeac109481258f0c3863d09c1b8903d438bLuca Barbieri	result.texcoord = input.texcoord * 8;
5092617aeac109481258f0c3863d09c1b8903d438bLuca Barbieri	result.factors.xy = input.texcoord;
5192617aeac109481258f0c3863d09c1b8903d438bLuca Barbieri	result.factors.zw = 1 - input.texcoord;
5292617aeac109481258f0c3863d09c1b8903d438bLuca Barbieri	return result;
5392617aeac109481258f0c3863d09c1b8903d438bLuca Barbieri}
5492617aeac109481258f0c3863d09c1b8903d438bLuca Barbieri
5592617aeac109481258f0c3863d09c1b8903d438bLuca Barbierifloat4 ps(VS2PS input) : SV_TARGET
5692617aeac109481258f0c3863d09c1b8903d438bLuca Barbieri{
5792617aeac109481258f0c3863d09c1b8903d438bLuca Barbieri	float4 a0 = tex0.Sample(samp0, input.texcoord);
5892617aeac109481258f0c3863d09c1b8903d438bLuca Barbieri	float4 a1 = tex0.Sample(samp1, input.texcoord);
5992617aeac109481258f0c3863d09c1b8903d438bLuca Barbieri	float4 a = a0 * input.factors.z + a1 * input.factors.x;
6092617aeac109481258f0c3863d09c1b8903d438bLuca Barbieri
6192617aeac109481258f0c3863d09c1b8903d438bLuca Barbieri	float4 b0 = tex1.Sample(samp0, input.texcoord);
6292617aeac109481258f0c3863d09c1b8903d438bLuca Barbieri	float4 b1 = tex1.Sample(samp1, input.texcoord);
6392617aeac109481258f0c3863d09c1b8903d438bLuca Barbieri	float4 b = b0 * input.factors.z + b1 * input.factors.x;
6492617aeac109481258f0c3863d09c1b8903d438bLuca Barbieri
6592617aeac109481258f0c3863d09c1b8903d438bLuca Barbieri	return a * input.factors.w + b * input.factors.y;
6692617aeac109481258f0c3863d09c1b8903d438bLuca Barbieri}
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