I need help I found a DOF shader and it is compatible with 3drad because I get no errors from 3drad but I need to get it to actually work instead of the screen going black but I don't know what I need to put in it to get it to work correctly.
and here is were I got the code from.
http://read.pudn.com/downloads47/sourcecode/graph/159419/DepthOfField-HLSL/shaders/dof.fx__.php
Code: [Select]
// These are set by the game engine.
// The render target size is one-quarter the scene rendering size.
/*HLSLSTART DOF
// Number of outer filter taps
#define NUM_DOF_TAPS 12
float4 viewportScale;
float4 viewportBias;
float maxCoC;
float2 filterTaps[NUM_DOF_TAPS];
texture tSceneColor;
texture tBlurDepth;
///////////////////////////////////////////////////////////////////////////////
struct VS_INPUT
{
float4 vPos: POSITION;
float2 vTexCoord: TEXCOORD;
};
struct VS_OUTPUT
{
float4 vPos: POSITION;
float2 vTexCoord: TEXCOORD;
};
///////////////////////////////////////////////////////////////////////////////
struct PS_INPUT
{
float2 vTexCoord: TEXCOORD;
};
sampler SceneColorSampler = sampler_state
{
texture = (tSceneColor);
MinFilter = Point;
MagFilter = Point;
AddressU = Clamp;
AddressV = Clamp;
};
sampler DepthBlurSampler = sampler_state
{
texture = (tBlurDepth);
MinFilter = Point;
MagFilter = Point;
AddressU = Clamp;
AddressV = Clamp;
};
///////////////////////////////////////////////////////////////////////////////
// Screen space vertex shader
VS_OUTPUT filter_dof_vs(VS_INPUT v)
{
VS_OUTPUT o;
// Scale and bias viewport
o.vPos = v.vPos * viewportScale + viewportBias;
// Output tex. coordinates
o.vTexCoord = v.vTexCoord;
return o;
}
// DoF filter shader
float4 filter_dof_ps(PS_INPUT v) : COLOR
{
// Get center sample
float4 colorSum = tex2D(SceneColorSampler, v.vTexCoord);
float2 centerDepthBlur = tex2D(DepthBlurSampler, v.vTexCoord);
// Compute CoC size based on blurriness
float sizeCoC = centerDepthBlur.y * maxCoC;
float totalContribution = 5.0f;
// Run through all taps
for (int i = 0; i < NUM_DOF_TAPS; i++)
{
// Compute tap coordinates
float2 tapCoord = v.vTexCoord + filterTaps[i] * sizeCoC;
// Fetch tap sample
float4 tapColor = tex2D(SceneColorSampler, tapCoord);
float2 tapDepthBlur = tex2D(DepthBlurSampler, tapCoord);
// Compute tap contribution
float tapContribution = (tapDepthBlur.x > centerDepthBlur.x) ? 1.0f : tapDepthBlur.y;
// Accumulate color and contribution
colorSum += tapColor * tapContribution;
totalContribution += tapContribution;
}
// Normalize to get proper luminance
float4 finalColor = colorSum / totalContribution;
return finalColor;
}
technique FilterDoF
{
pass P0
{
VertexShader = compile vs_3_0 filter_dof_vs();
PixelShader = compile ps_3_0 filter_dof_ps();
CullMode = NONE;
}
}
///////////////////////////////////////////////////////////////////////////////
float depthScale;
// Helper shader for visualizing depth/blurriness
float4 depth_blur_overlay_ps(PS_INPUT v) : COLOR
{
float4 BlurDepth = tex2D(DepthBlurSampler, v.vTexCoord);
return float4(BlurDepth.x * depthScale, BlurDepth.y, 0, 0);
}
technique DepthBlurOverlay
{
pass P0
{
VertexShader = compile vs_3_0 filter_dof_vs();
PixelShader = compile ps_3_0 depth_blur_overlay_ps();
CullMode = NONE;
}
}
HLSLEND*/
///////////////////////////////////////////////////////////////////////////////////////
void Main()
{
if (iInitializing())
{
iShaderSet(OBJ_0,"DOF");
}
}and here is were I got the code from.
http://read.pudn.com/downloads47/sourcecode/graph/159419/DepthOfField-HLSL/shaders/dof.fx__.php
