| Server IP : 134.29.175.74 / Your IP : 216.73.216.160 Web Server : nginx/1.10.2 System : Windows NT CST-WEBSERVER 10.0 build 19045 (Windows 10) i586 User : Administrator ( 0) PHP Version : 7.1.0 Disable Function : NONE MySQL : OFF | cURL : ON | WGET : OFF | Perl : OFF | Python : OFF | Sudo : OFF | Pkexec : OFF Directory : C:/Program Files/NVIDIA Corporation/Ansel/ShaderMod/ |
Upload File : |
//------------------------------------------------------------------
// Shader file for NVIDIA Ansel
//------------------------------------------------------------------
//------------------------------------------------------------------
// Constants
//------------------------------------------------------------------
#define PixelSize float2(1.0 / screenSize.x, 1.0 / screenSize.y) //x = Pixel width, y = Pixel height
cbuffer globalParams
{
float2 screenSize; //x = screen width, y = screen height
int captureState; //unused, my math works without using specific cases
float4 tileUV; //xy - top left tile coordinate, zw - bottom right tile coordinate
}
cbuffer controlBuf
{
/*float g_sldSharpen;
float g_sldClarity;
float g_sldHDR;
float g_sldBloom;*/
float g_sldAxis;
float g_sldBlur;
float g_sldCurve;
}
struct VSOut
{
float4 position : SV_POSITION;
float2 txcoord : TEXCOORD;
};
//------------------------------------------------------------------
// Textures, Samplers
//------------------------------------------------------------------
Texture2D texOriginalColor;
Texture2D texBlurred;
//------------------------------------------------------------------
SamplerState SamplerLinear;
#ifndef NV_COMMON
#define NV_COMMON
#define CAPTURE_STATE_NOT_STARTED 0
#define CAPTURE_STATE_REGULAR 1
#define CAPTURE_STATE_REGULARSTEREO 2
#define CAPTURE_STATE_HIGHRES 3
#define CAPTURE_STATE_360 4
#define CAPTURE_STATE_360STEREO 5
#endif
//------------------------------------------------------------------
// Pixel Shaders
//------------------------------------------------------------------
/*
#define g_sldAxis (360.0 * g_sldClarity)
#define g_sldBlur (g_sldSharpen * 20.0)
#define g_sldCurve (g_sldHDR * 5.0 + 5.0)
*/
float4 PS_GaussianA( VSOut IN ): SV_Target
{
float tsAngle = radians(g_sldAxis);
float2x2 tsMat = float2x2(cos(tsAngle),-sin(tsAngle),sin(tsAngle),cos(tsAngle));
float2 inTex = (captureState == CAPTURE_STATE_HIGHRES)
? IN.txcoord.xy * (tileUV.zw - tileUV.xy) + tileUV.xy
: IN.txcoord.xy;
float2 tsCoord = inTex.xy * 2.0 - 1.0;
tsCoord = mul(tsCoord, tsMat);
float tsBlur = pow(saturate(abs(tsCoord.y)), g_sldCurve);
//separate as func?
float4 color = texOriginalColor.Sample(SamplerLinear,IN.txcoord.xy);
float nSteps = tsBlur * g_sldBlur;
float expCoeff = -2.0 * rcp(nSteps * nSteps + 1e-3); //requires non-integer stepped range as it'd make blur kernel size increments visible
float2 blurAxisScaled = float2(PixelSize.x, 0);
float4 gaussianSum = 1e-3;
nSteps = ceil(nSteps);
[loop]
for(float iStep = -nSteps; iStep <= nSteps; iStep++)
{
float currentWeight = exp(iStep * iStep * expCoeff);
float currentOffset = 2.0 * iStep - 0.5; //Sample between texels to double blur width at no cost
gaussianSum += float4(texOriginalColor.SampleLevel(SamplerLinear, IN.txcoord.xy + blurAxisScaled.xy * currentOffset, 0).rgb, 1) * currentWeight;
}
gaussianSum.rgb /= gaussianSum.w;
color.rgb = lerp(color.rgb, gaussianSum.rgb, saturate( 4 * gaussianSum.w));
return color;
}
float4 PS_GaussianB( VSOut IN ): SV_Target
{
float tsAngle = radians(g_sldAxis);
float2x2 tsMat = float2x2(cos(tsAngle),-sin(tsAngle),sin(tsAngle),cos(tsAngle));
float2 inTex = (captureState == CAPTURE_STATE_HIGHRES)
? IN.txcoord.xy * (tileUV.zw - tileUV.xy) + tileUV.xy
: IN.txcoord.xy;
float2 tsCoord = inTex.xy * 2.0 - 1.0;
tsCoord = mul(tsCoord, tsMat);
float tsBlur = pow(saturate(abs(tsCoord.y)), g_sldCurve);
//separate as func?
float4 color = texBlurred.Sample(SamplerLinear,IN.txcoord.xy);
float nSteps = tsBlur * g_sldBlur;
float expCoeff = -2.0 * rcp(nSteps * nSteps + 1e-3); //requires non-integer stepped range as it'd make blur kernel size increments visible
float2 blurAxisScaled = float2(0, PixelSize.y);
float4 gaussianSum = 1e-3;
nSteps = ceil(nSteps);
[loop]
for(float iStep = -nSteps; iStep <= nSteps; iStep++)
{
float currentWeight = exp(iStep * iStep * expCoeff);
float currentOffset = 2.0 * iStep - 0.5; //Sample between texels to double blur width at no cost
gaussianSum += float4(texBlurred.SampleLevel(SamplerLinear, IN.txcoord.xy + blurAxisScaled.xy * currentOffset, 0).rgb, 1) * currentWeight;
}
gaussianSum.rgb /= gaussianSum.w;
color.rgb = lerp(color.rgb, gaussianSum.rgb, saturate( 4 * gaussianSum.w));
return color;
}