////////////////////////////////////////////////////////////
//~ Quad shader types

Struct(V_DQuadPSInput)
{
  Semantic(Vec4, sv_position);
  Semantic(nointerpolation u32, quad_idx);
};

Struct(V_DQuadPSOutput)
{
  Semantic(Vec4, sv_target0);
};

////////////////////////////////////////////////////////////
//~ Shape shader types

Struct(V_DVertPSInput)
{
  Semantic(Vec4, sv_position);
  Semantic(Vec4, color_lin);
};

Struct(V_DVertPSOutput)
{
  Semantic(Vec4, sv_target0);
};

////////////////////////////////////////////////////////////
//~ Overlay shader types

Struct(V_OverlayPSInput)
{

  Semantic(Vec4, sv_position);
};

Struct(V_OverlayPSOutput)
{
  Semantic(Vec4, sv_target0);
};

////////////////////////////////////////////////////////////
//~ Shaders

//- Utility shaders
ComputeShader2D(V_ClearCellsCS, 8, 8);
ComputeShader(V_ClearParticlesCS, 64);

//- Backdrop shader
ComputeShader2D(V_BackdropCS, 8, 8);

//- Quad shader
VertexShader(V_DQuadVS, V_DQuadPSInput);
PixelShader(V_DQuadPS, V_DQuadPSOutput, V_DQuadPSInput input);

//- Particle simulation shaders
ComputeShader(V_EmitParticlesCS, 64);
ComputeShader(V_SimParticlesCS, 64);

//- Shape shader
VertexShader(V_DVertVS, V_DVertPSInput);
PixelShader(V_DVertPS, V_DVertPSOutput, V_DVertPSInput input);

//- Overlay shader
VertexShader(V_OverlayVS, V_OverlayPSInput);
PixelShader(V_OverlayPS, V_OverlayPSOutput, V_OverlayPSInput input);