mirror of
https://github.com/joncampbell123/dosbox-x.git
synced 2025-10-14 02:17:36 +08:00
113 lines
2.8 KiB
HLSL
113 lines
2.8 KiB
HLSL
/* ############################################################################################
|
|
|
|
GS2xTwo shader(linear) - Copyright (C) 2007 guest(r) - guest.r@gmail.com
|
|
|
|
############################################################################################
|
|
|
|
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 2
|
|
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, write to the Free Software Foundation, Inc.,
|
|
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
|
|
|
|
############################################################################################*/
|
|
|
|
|
|
// NOTES: Set scaler to normal2x (forced mode for hi-res)
|
|
|
|
|
|
#include "shader.code"
|
|
|
|
float scaling : SCALING = 1.1;
|
|
|
|
|
|
string preprocessTechique : PREPROCESSTECHNIQUE = "GS2xTwo";
|
|
string combineTechique : COMBINETECHNIQUE = "linear";
|
|
|
|
|
|
VERTEX_STUFF1 PASS1_VERTEX (float3 p : POSITION, float2 tc : TEXCOORD0)
|
|
{
|
|
VERTEX_STUFF1 OUT = (VERTEX_STUFF1)0;
|
|
|
|
float dx = ps.x;
|
|
float dy = ps.y;
|
|
|
|
OUT.coord = mul(float4(p,1),WorldViewProjection);
|
|
OUT.CT = tc;
|
|
OUT.UL = tc + float2(-dx,-dy);
|
|
OUT.UR = tc + float2( dx,-dy);
|
|
OUT.DL = tc + float2(-dx, dy);
|
|
OUT.DR = tc + float2( dx, dy);
|
|
return OUT;
|
|
}
|
|
|
|
|
|
float4 PASS1_FRAGMENT ( in VERTEX_STUFF1 VAR ) : COLOR
|
|
|
|
{
|
|
half3 c11 = tex2D(s_p, VAR.CT).xyz;
|
|
half3 c00 = tex2D(s_p, VAR.UL).xyz;
|
|
half3 c20 = tex2D(s_p, VAR.UR).xyz;
|
|
half3 c02 = tex2D(s_p, VAR.DL).xyz;
|
|
half3 c22 = tex2D(s_p, VAR.DR).xyz;
|
|
|
|
half w1=dot(abs(c22-c11),dt)+0.001;
|
|
half w2=dot(abs(c02-c11),dt)+0.001;
|
|
half w3=dot(abs(c00-c11),dt)+0.001;
|
|
half w4=dot(abs(c20-c11),dt)+0.001;
|
|
|
|
float t1=max(w1,w3);
|
|
float t2=max(w2,w4);
|
|
float m1=t1/t2;
|
|
float m2=t2/t1;
|
|
w1*=m2; w2*=m1;
|
|
w3*=m2; w4*=m1;
|
|
|
|
return float4((w1*c00+w2*c20+w3*c22+w4*c02+0.001*c11)/(w1+w2+w3+w4+0.001),0);
|
|
}
|
|
|
|
|
|
|
|
VERTEX_STUFF0 PASS2_VERTEX (float3 p : POSITION, float2 tc : TEXCOORD0)
|
|
{
|
|
VERTEX_STUFF0 OUT = (VERTEX_STUFF0)0;
|
|
|
|
OUT.coord = mul(float4(p,1),WorldViewProjection);
|
|
OUT.CT = tc;
|
|
return OUT;
|
|
}
|
|
|
|
float4 PASS2_FRAGMENT ( in VERTEX_STUFF0 VAR ) : COLOR
|
|
{
|
|
half3 c11 = tex2D(w_l, VAR.CT).xyz;
|
|
return float4 (c11,1);
|
|
}
|
|
|
|
|
|
technique GS2xTwo
|
|
{
|
|
pass P0
|
|
{
|
|
VertexShader = compile vs_2_0 PASS1_VERTEX();
|
|
PixelShader = compile ps_2_0 PASS1_FRAGMENT();
|
|
}
|
|
}
|
|
|
|
|
|
technique linear
|
|
{
|
|
pass P0
|
|
{
|
|
VertexShader = compile vs_2_0 PASS2_VERTEX();
|
|
PixelShader = compile ps_2_0 PASS2_FRAGMENT();
|
|
}
|
|
}
|