Files
LuaCsForBarotraumaEP/Subsurface/Content/watershader.fx

72 lines
1.8 KiB
HLSL

float xBlurDistance;
Texture xTexture;
sampler TextureSampler = sampler_state { Texture = <xTexture>; };
Texture xLosTexture;
sampler LosSampler = sampler_state { Texture = <xLosTexture>; };
Texture xWaterBumpMap;
sampler WaterBumpSampler =
sampler_state
{
Texture = <xWaterBumpMap>;
MagFilter = LINEAR;
MinFilter = LINEAR;
MipFilter = LINEAR;
AddressU = WRAP;
AddressV = WRAP;
};
float xWaveWidth;
float xWaveHeight;
float2 xWavePos;
float2 xBumpPos;
float4 main(float4 position : SV_Position, float4 color : COLOR0, float2 texCoord : TEXCOORD0) : COLOR0
{
float4 bumpColor = tex2D(WaterBumpSampler, texCoord+xWavePos+xBumpPos);
bumpColor = (bumpColor + tex2D(WaterBumpSampler, texCoord-xWavePos*2.0f+xBumpPos))/2.0f;
float2 samplePos = texCoord;
samplePos.x+=(bumpColor.r-0.5f)*xWaveWidth;
samplePos.y+=(bumpColor.g-0.5f)*xWaveHeight;
float4 sample;
sample = tex2D( TextureSampler, float2(samplePos.x+xBlurDistance, samplePos.y+xBlurDistance));
sample += tex2D( TextureSampler, float2(samplePos.x-xBlurDistance, samplePos.y-xBlurDistance));
sample += tex2D( TextureSampler, float2(samplePos.x+xBlurDistance, samplePos.y-xBlurDistance));
sample += tex2D( TextureSampler, float2(samplePos.x-xBlurDistance, samplePos.y+xBlurDistance));
sample = sample / 4;
return sample;
}
float4 main2(float4 position : SV_Position, float4 color : COLOR0, float2 texCoord : TEXCOORD0) : COLOR0
{
float4 losColor = tex2D(LosSampler, texCoord);
float4 outColor = float4(losColor.x, losColor.y, losColor.z, color.w);
return outColor;
}
technique WaterShader
{
pass Pass1
{
PixelShader = compile ps_4_0_level_9_1 main();
}
}
technique LosShader
{
pass Pass1
{
PixelShader = compile ps_4_0_level_9_1 main2();
}
}