//------------------------------------------------------
// Passes
//------------------------------------------------------
public void pass_DeferredShading(Scene scene, fx_Shadow fx_Shadow)
{
//------------------------------------------------------
// Clear Lighting Buffer from last frame
//------------------------------------------------------
_fGBuffer.bind(new DrawBuffersEnum[] {
DrawBuffersEnum.ColorAttachment6,
DrawBuffersEnum.ColorAttachment7
});
GL.Clear(ClearBufferMask.ColorBufferBit);
//------------------------------------------------------
// Fill gBuffer with Scene
//------------------------------------------------------
pass_Geometry(scene);
//------------------------------------------------------
// Accumulate Lighting from Scene
//------------------------------------------------------
GL.Enable(EnableCap.StencilTest);
GL.Enable(EnableCap.Blend);
GL.BlendEquation(BlendEquationMode.FuncAdd);
GL.BlendFunc(BlendingFactorSrc.One, BlendingFactorDest.One);
foreach (Light l in scene.lights)
{
switch (l.type)
{
case Light.type_spot:
pass_Stencil(l);
pass_sLight(l, fx_Shadow.tSpot);
break;
case Light.type_point:
pass_Stencil(l);
pass_pLight(l, fx_Shadow.tPoint);
break;
}
}
GL.Disable(EnableCap.StencilTest);
GL.Disable(EnableCap.Blend);
GL.Enable(EnableCap.CullFace);
GL.CullFace(CullFaceMode.Back);
//GL.Disable(EnableCap.DepthTest);
}
public void lightInjection(Scene scene, fx_Shadow shadow, SpatialData camera_spatial)
{
if (!_enabled)
{
return;
}
int workgroup_size = 4;
int texture_size = (int)_vx_volume_dimensions * 8;
_tTemp.clear();
_pInjection.bind();
GL.Uniform2(_pInjection.getUniform("texture_size"), shadow.tSpot.dimensions.Xy);
GL.Uniform1(_pInjection.getUniform("vx_volume_dimensions"), _vx_volume_dimensions);
GL.Uniform1(_pInjection.getUniform("vx_volume_scale"), _vx_volume_scale);
GL.Uniform3(_pInjection.getUniform("vx_volume_position"), -voxelSnap(camera_spatial.position));
_tVoxelVolume.bindImageUnit(_pInjection.getSamplerUniform(0), 0, TextureAccess.ReadWrite);
_tVoxelVolume_Diffuse.bind(_pInjection.getSamplerUniform(1), 1);
shadow.tSpot.bind(_pInjection.getSamplerUniform(2), 2);
shadow.tPoint.bind(_pInjection.getSamplerUniform(3), 3);
shadow.tDirectional.bind(_pInjection.getSamplerUniform(4), 4);
_tTemp.bindImageUnit(_pInjection.getSamplerUniform(5), 5, TextureAccess.WriteOnly);
GL.DispatchCompute(((int)shadow.tSpot.dimensions.X / workgroup_size), ((int)shadow.tSpot.dimensions.Y / workgroup_size), 1);
GL.MemoryBarrier(MemoryBarrierFlags.TextureFetchBarrierBit | MemoryBarrierFlags.ShaderImageAccessBarrierBit);
}