Justin Marshall
66 lines
2.0 KiB
Plaintext
66 lines
2.0 KiB
Plaintext
{
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state {
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depthfunc GL_ALWAYS
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depthmask
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twosided
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}
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hlsl_vp {
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result.position = vertex.position;
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result.position.xy = ( result.position.xy * $godRayQuadScaleBias.xy ) + $godRaySourceScaleBias.zw;
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#ifndef PS3
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result.texcoord1 = vertex.position;
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result.texcoord1.xy = ( result.texcoord1.xy * $godRaySourceScaleBias.xy ) + $godRaySourceScaleBias.zw;
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result.texcoord1.zw = ( result.texcoord1.xy - $godRaySourceScaleBias.zw );
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//#define DEBUG_MASK
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#ifdef DEBUG_MASK
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result.texcoord3.xy = result.position.xy;
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#endif
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#endif
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}
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hlsl_fp {
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#ifdef PS3
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result.hcolor = float4( 0, 0, 0, 0 );
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#else
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#ifdef DEBUG_MASK
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float4 debugMinMax = float4( $godRaySourceScaleBias.z - $godRaySourceScaleBias.x, $godRaySourceScaleBias.z + $godRaySourceScaleBias.x, $godRaySourceScaleBias.w - $godRaySourceScaleBias.y, $godRaySourceScaleBias.w + $godRaySourceScaleBias.y );
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if ( fragment.texcoord3.x > debugMinMax.x && fragment.texcoord3.x < debugMinMax.y && fragment.texcoord3.y > debugMinMax.z && fragment.texcoord3.y < debugMinMax.w ) {
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result.hcolor = float4( 1, 0, 1, 1 );
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return;
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}
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result.hcolor = $godRayColor;
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return;
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#endif
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#ifdef PC
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const int NUM_STEPS = 32;
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#else
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const int NUM_STEPS = 8;
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#endif
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float2 depthMapCoord = ( fragment.texcoord1.xy * 0.5f ) + 0.5f;
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const float2 depthMapStep = ( fragment.texcoord1.zw ) / NUM_STEPS;
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result.hcolor = float4( 0, 0, 0, 0 );
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for ( int i = 0; i < NUM_STEPS; i++ ) {
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#ifdef XBOX
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const float depth = tex2Ddepth( $viewDepthMap, float2( depthMapCoord.x, 1 - depthMapCoord.y ) );
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#else
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const float depth = tex2Ddepth( $viewDepthMap, depthMapCoord.xy );
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#endif
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float depthMul = saturate( sign( depth - 0.999999f ) );
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float2 colorMapCoord = ( depthMapCoord - $godRayQuadScaleBias.zw ) / $godRaySourceScaleBias.xy;
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colorMapCoord = saturate( colorMapCoord + float2( 0.5f, 0.5f ) );
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result.hcolor.xyz += $godRayColor.xyz * h4tex2D( $transMap, colorMapCoord ).xyz * depthMul * $godRayColor.w;
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depthMapCoord += depthMapStep;
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}
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#endif
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}
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} |