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cbuffer globalParams
{
float2 screenSize;
float elapsedTime;
int captureState;
float4 tileUV;
bool depthAvailable;
}
cbuffer controlBuf
{
float g_maskID;
float g_sldHue;
float g_sldDIST;
bool g_sldINV;
}
Texture2D texColor;
Texture2D texDepth;
Texture2D texOv01;
Texture2D texOv02;
SamplerState samLinear;
SamplerState samLinearWrap;
#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
float Get1DDepth(float2 uv)
{
return texDepth.SampleLevel(samLinear, uv, 0).x;
}
float GetLinearDepth(float depth, bool inv)
{
#define DepthParameters float4(1.0,1000.0,-999.0f,0.0) //whatever works best
depth = inv ? depth : 1.0 - depth; //most games use inverted depth, keep that as default
depth *= rcp(DepthParameters.y + depth * DepthParameters.z);
return saturate(depth);
}
void PSMain(in float4 vpos : SV_Position, in float2 uv : TexCoord, out float4 color : SV_Target)
{
color = texColor.Sample(samLinear, uv);
if (!depthAvailable) return;
float depth = Get1DDepth(uv);
if(captureState == CAPTURE_STATE_NOT_STARTED || captureState == CAPTURE_STATE_REGULAR || captureState == CAPTURE_STATE_HIGHRES)
{
float2 greenScreenUV = (tileUV.zw - tileUV.xy) * uv + tileUV.xy;
float maskID = floor(g_maskID); //background color
float hue = frac(g_sldHue + 0.3333);
float4 mask = maskID == 0 ? saturate(float4(abs(hue * 6.0 - 3.0) - 1.0,2.0 - abs(hue * 6.0 - 2.0), 2.0 - abs(hue * 6.0 - 4.0), 1))
: maskID == 1 ? texOv01.Sample(samLinear, greenScreenUV)
: maskID == 2 ? texOv02.Sample(samLinear, greenScreenUV)
: 0;
float linear_depth = GetLinearDepth(depth, g_sldINV);
float depth_mask = linear_depth > g_sldDIST * g_sldDIST * g_sldDIST;
color.rgb = lerp(color.rgb, mask.rgb, mask.a * depth_mask);
}
}