//compass
// ---- Created with 3Dmigoto v0.6.164 on Sun Aug 18 20:30:05 2024
cbuffer cb2 : register(b2)
{
  float4 cb2[21];
}

cbuffer cb1 : register(b1)
{
  float4 cb1[4];
}

cbuffer cb0 : register(b0)
{
  float4 cb0[3];
}





// 3Dmigoto declarations
#define cmp -
Texture1D<float4> IniParams : register(t120);
Texture2D<float4> StereoParams : register(t125);
Texture2D<float> DepthBuffer : register(t110);



static const float near = 0.0001;
static const float far = 1;

float world_z_from_depth_buffer(float x, float y)
{
    uint width, height;
    float z;

    DepthBuffer.GetDimensions(width, height);

    x = min(max((x / 2 + 0.5) * width, 0), width - 1);
    y = min(max((-y / 2 + 0.5) * height, 0), height - 1);
    z = DepthBuffer.Load(int3(x, y, 0)).x;
    if (z == 1)
        return 0;

  return (far*near/((z)*near) + (far*z));
}

float adjust_from_depth_buffer(float x, float y)
{
    
	//float4 depth = IniParams.Load(int2(90,0));
	float4 stereo = StereoParams.Load(0);
	float4 testeo = IniParams.Load(int2(90,0));
	if (stereo.x==0) {return 0;}
    float separation = stereo.x; float convergence = stereo.y;
    float old_offset, offset, w, sampled_w, distance;
    uint i;


    offset = (near - convergence) * separation; // Z = X offset from center
    distance = separation - offset;         // Total distance to cover (separation - starting X offset)

    old_offset = offset;
    for (i = 0; i < 255; i++) {
        offset += distance / 255.0;

        // Calculate depth for this point on the line:
        w = (separation * convergence*7.5) / (separation - offset);

        sampled_w = world_z_from_depth_buffer(x + offset, y);
		if (sampled_w == 0)
            //return separation;
		return separation;

        // If the sampled depth is closer than the calculated depth,
        // we have found something that intersects the line, so exit
        // the loop and return the last point that was not intersected:
        if (w > sampled_w)
            break;

        old_offset = offset;
    }

    return old_offset;
}




void main(
  float4 v0 : POSITION0,
  float4 v1 : COLOR0,
  float4 v2 : TEXCOORD0,
  float2 v3 : TEXCOORD1,
  out float4 o0 : SV_POSITION0,
  out float4 o1 : COLOR0,
  out float4 o2 : TEXCOORD0,
  out float4 o3 : TEXCOORD1)
{
  float4 r0,r1;
  uint4 bitmask, uiDest;
  float4 fDest;
  
float4 s = StereoParams.Load(0);
float4 texFilter = IniParams.Load(int2(14,0));
float4 testeo = IniParams.Load(int2(90,0));
float cursor_showing  = IniParams[1].z; 

  r0.xyzw = cb1[1].xyzw * v0.yyyy;
  r0.xyzw = cb1[0].xyzw * v0.xxxx + r0.xyzw;
  r0.xyzw = cb1[2].xyzw * v0.zzzz + r0.xyzw;
  r0.xyzw = cb1[3].xyzw + r0.xyzw;
  r1.xyzw = cb2[18].xyzw * r0.yyyy;
  r1.xyzw = cb2[17].xyzw * r0.xxxx + r1.xyzw;
  r1.xyzw = cb2[19].xyzw * r0.zzzz + r1.xyzw;
  o0.xyzw = cb2[20].xyzw * r0.wwww + r1.xyzw;
  o1.xyzw = cb0[2].xyzw * v1.xyzw;
  o2.xy = v2.xy;
  o2.z = v3.x;
  o3.xyzw = v0.xyzw;
  
  
if (o0.w ==1 && !cursor_showing)
{	
	//if (o0.w ==1 && o0.y < 0 || o0.x < -0.5 )
	//{
		o0.x+=adjust_from_depth_buffer(0,0);
	//}
}
  
  return;
}

/*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//
// Generated by Microsoft (R) D3D Shader Disassembler
//
//   using 3Dmigoto v0.6.164 on Sun Aug 18 20:30:05 2024
//
//
// Input signature:
//
// Name                 Index   Mask Register SysValue  Format   Used
// -------------------- ----- ------ -------- -------- ------- ------
// POSITION                 0   xyzw        0     NONE   float   xyzw
// COLOR                    0   xyzw        1     NONE   float   xyzw
// TEXCOORD                 0   xy          2     NONE   float   xy
// TEXCOORD                 1   xy          3     NONE   float   x
//
//
// Output signature:
//
// Name                 Index   Mask Register SysValue  Format   Used
// -------------------- ----- ------ -------- -------- ------- ------
// SV_POSITION              0   xyzw        0      POS   float   xyzw
// COLOR                    0   xyzw        1     NONE   float   xyzw
// TEXCOORD                 0   xyz         2     NONE   float   xyz
// TEXCOORD                 1   xyzw        3     NONE   float   xyzw
//
vs_4_0
dcl_constantbuffer CB0[3], immediateIndexed
dcl_constantbuffer CB1[4], immediateIndexed
dcl_constantbuffer CB2[21], immediateIndexed
dcl_input v0.xyzw
dcl_input v1.xyzw
dcl_input v2.xy
dcl_input v3.x
dcl_output_siv o0.xyzw, position
dcl_output o1.xyzw
dcl_output o2.xyz
dcl_output o3.xyzw
dcl_temps 2
mul r0.xyzw, v0.yyyy, cb1[1].xyzw
mad r0.xyzw, cb1[0].xyzw, v0.xxxx, r0.xyzw
mad r0.xyzw, cb1[2].xyzw, v0.zzzz, r0.xyzw
add r0.xyzw, r0.xyzw, cb1[3].xyzw
mul r1.xyzw, r0.yyyy, cb2[18].xyzw
mad r1.xyzw, cb2[17].xyzw, r0.xxxx, r1.xyzw
mad r1.xyzw, cb2[19].xyzw, r0.zzzz, r1.xyzw
mad o0.xyzw, cb2[20].xyzw, r0.wwww, r1.xyzw
mul o1.xyzw, v1.xyzw, cb0[2].xyzw
mov o2.xy, v2.xyxx
mov o2.z, v3.x
mov o3.xyzw, v0.xyzw
ret
// Approximately 0 instruction slots used

//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/
