98 lines
2.1 KiB
HLSL
98 lines
2.1 KiB
HLSL
// OpenRA test shader
|
|
// Author: C. Forbes
|
|
//--------------------------------------------------------
|
|
|
|
shared texture DiffuseTexture, Palette;
|
|
shared float2 Scroll;
|
|
|
|
shared float2 r1, r2; // matrix elements
|
|
|
|
sampler s_DiffuseTexture = sampler_state {
|
|
Texture = <DiffuseTexture>;
|
|
MinFilter = None;
|
|
MagFilter = None;
|
|
MipFilter = None;
|
|
|
|
AddressU = Wrap;
|
|
AddressV = Wrap;
|
|
AddressW = Wrap;
|
|
};
|
|
|
|
sampler s_PaletteTexture = sampler_state {
|
|
Texture = <Palette>;
|
|
MinFilter = None;
|
|
MagFilter = None;
|
|
MipFilter = None;
|
|
|
|
AddressU = Clamp;
|
|
AddressV = Clamp;
|
|
};
|
|
|
|
struct VertexIn {
|
|
float4 Position: POSITION;
|
|
float2 Tex0: TEXCOORD0;
|
|
float2 Tex1: TEXCOORD1;
|
|
};
|
|
|
|
struct VertexOut {
|
|
float4 Position: POSITION;
|
|
float3 Tex0: TEXCOORD0;
|
|
float4 ChannelMask: TEXCOORD1;
|
|
};
|
|
|
|
struct FragmentIn {
|
|
float3 Tex0: TEXCOORD0;
|
|
float4 ChannelMask: TEXCOORD1;
|
|
};
|
|
|
|
float4 DecodeChannelMask( float x )
|
|
{
|
|
if (x > 0)
|
|
return (x > 0.5f) ? float4(1,0,0,0) : float4(0,1,0,0);
|
|
else
|
|
return (x <-0.5f) ? float4(0,0,0,1) : float4(0,0,1,0);
|
|
}
|
|
|
|
VertexOut Simple_vp(VertexIn v) {
|
|
VertexOut o;
|
|
|
|
float2 p = (v.Position.xy - Scroll.xy) * r1 + r2;
|
|
o.Position = float4(p.x,p.y,0,1);
|
|
o.Tex0 = float3(v.Tex0.x, v.Tex0.y, v.Tex1.x);
|
|
o.ChannelMask = DecodeChannelMask( v.Tex1.y );
|
|
return o;
|
|
}
|
|
|
|
const float2 texelOffset = float2( 0, 1.0f/32.0f );
|
|
|
|
float4 Palette_fp(FragmentIn f) : COLOR0 {
|
|
float4 x = tex2D(s_DiffuseTexture, f.Tex0.xy);
|
|
float2 p = float2( dot(x, f.ChannelMask), f.Tex0.z );
|
|
return tex2D(s_PaletteTexture, p + texelOffset);
|
|
}
|
|
|
|
technique low_quality {
|
|
pass p0 {
|
|
AlphaBlendEnable = false;
|
|
ZWriteEnable = true;
|
|
ZEnable = false;
|
|
CullMode = None;
|
|
VertexShader = compile vs_2_0 Simple_vp();
|
|
PixelShader = compile ps_2_0 Palette_fp();
|
|
}
|
|
}
|
|
|
|
technique high_quality {
|
|
pass p0 {
|
|
AlphaBlendEnable = true;
|
|
ZWriteEnable = true;
|
|
ZEnable = false;
|
|
CullMode = None;
|
|
VertexShader = compile vs_2_0 Simple_vp();
|
|
PixelShader = compile ps_2_0 Palette_fp();
|
|
|
|
SrcBlend = SrcAlpha;
|
|
DestBlend = InvSrcAlpha;
|
|
}
|
|
}
|