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

Struct(V_QuadPSInput)
{
  Semantic(Vec4, sv_position);
  Semantic(nointerpolation u32, quad_idx);
  Semantic(Vec2, world_pos);
  Semantic(Vec2, samp_uv);
};

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

////////////////////////////////////////////////////////////
//~ Composite shader types

Struct(V_CompositePSInput)
{
  Semantic(Vec4, sv_position);
};

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

////////////////////////////////////////////////////////////
//~ Debug shape shader types

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

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

////////////////////////////////////////////////////////////
//~ Helpers

f32 V_RandFromPos(Vec3 pos);
Vec4 V_ColorFromParticle(V_ParticleKind particle_kind, u32 particle_idx, u32 density, f32 dryness);
Vec3 V_ToneMap(Vec3 v);

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

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

//- Quads
VertexShader(V_QuadVS, V_QuadPSInput);
PixelShader(V_QuadPS, V_QuadPSOutput, V_QuadPSInput input);

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

//- Shade
ComputeShader2D(V_ShadeCS, 8, 8);

//- Composite
ComputeShader2D(V_CompositeCS, 8, 8);

//- Bloom
ComputeShader2D(V_BloomDownCS, 8, 8);
ComputeShader2D(V_BloomUpCS, 8, 8);

//- Post process
ComputeShader2D(V_PostProcessCS, 8, 8);

//- Debug shapes
VertexShader(V_DVertVS, V_DVertPSInput);
PixelShader(V_DVertPS, V_DVertPSOutput, V_DVertPSInput input);