//------------------------------------------------------
// Render
//------------------------------------------------------
public void render(
fx_Quad quad,
Texture normal_texture,
Texture diffuse_texture,
Texture specular_texture,
Vector3 sun_position,
Texture shadowDepthTexture)
{
//------------------------------------------------------
// Render Atmoshpere
//------------------------------------------------------
_fAtmosphere.bind(DrawBuffersEnum.ColorAttachment0);
GL.Viewport(0, 0, _resolution.W, _resolution.H);
_pAtmoshpere.bind();
_tTransmittance.bind(_pAtmoshpere.getUniform("transmittanceSampler"), 0);
_tIrradiance.bind(_pAtmoshpere.getUniform("irradianceSampler"), 1);
_tInscatter.bind(_pAtmoshpere.getUniform("inscatterSampler"), 2);
normal_texture.bind(_pAtmoshpere.getSamplerUniform(0), 3);
diffuse_texture.bind(_pAtmoshpere.getSamplerUniform(1), 4);
specular_texture.bind(_pAtmoshpere.getSamplerUniform(2), 5);
shadowDepthTexture.bind(_pAtmoshpere.getSamplerUniform(3), 6);
sun_position = Vector3.Normalize(sun_position);
GL.Uniform3(_pAtmoshpere.getUniform("sun_position"), sun_position);
quad.renderFullQuad();
}
public void rayTracing(fx_Quad quad, SpatialData camera_spatial)
{
if (!(_debug_display_voxels && _enabled))
{
return;
}
mipMap();
GL.BindFramebuffer(FramebufferTarget.DrawFramebuffer, 0);
GL.Clear(ClearBufferMask.ColorBufferBit);
GL.Viewport(0, 0, _resolution.W, _resolution.H);
_pRayTrace.bind();
GL.Uniform1(_pRayTrace.getUniform("vx_volume_dimensions"), _vx_volume_dimensions);
Vector3 vx_position_snapped = -voxelSnap(camera_spatial.position);
Matrix4 voxel_volume_position = Matrix4.CreateTranslation(vx_position_snapped);
Matrix4 invMVP = Matrix4.Invert(_vx_shift_matrix * voxel_volume_position * camera_spatial.model_view * camera_spatial.perspective);
GL.UniformMatrix4(_pRayTrace.getUniform("vx_inv_view_perspective"), false, ref invMVP);
GL.Uniform1(_pRayTrace.getUniform("displayMipLevel"), _debug_display_voxels_mip_level);
_tVoxelVolume.bind(_pRayTrace.getSamplerUniform(0), 0);
quad.renderFullQuad();
}
public void render(fx_Quad quad, FrameBuffer gbuffer_fbo, Vector3 circadian_position)
{
// Write into gBuffer's frame buffer attachemnts
gbuffer_fbo.bind(new DrawBuffersEnum[]
{
DrawBuffersEnum.ColorAttachment0,
DrawBuffersEnum.ColorAttachment1,
DrawBuffersEnum.ColorAttachment3
});
GL.Viewport(0, 0, _resolution.W, _resolution.H);
GL.DepthMask(true);
GL.Enable(EnableCap.DepthTest);
_pSkyBox.bind();
_iSkyBox.bind(_pSkyBox.getSamplerUniform(0), 0);
GL.Uniform3(_pSkyBox.getUniform("circadian_position"), Vector3.Normalize(circadian_position));
quad.renderFullQuad();
}
public void coneTracing(fx_Quad quad, Texture diffuse_texture, Texture normal_texture, Texture specular_texture, SpatialData camera_spatial)
{
if (!_enabled)
{
_tConeTrace_Diffuse.clear();
return;
}
mipMap();
_fConeTrace.bind(DrawBuffersEnum.ColorAttachment0);
GL.Viewport(0, 0, _tConeTrace_Diffuse.width, _tConeTrace_Diffuse.height);
_pConeTrace.bind();
GL.Uniform1(_pConeTrace.getUniform("vx_volume_dimensions"), _vx_volume_dimensions);
GL.Uniform1(_pConeTrace.getUniform("vx_volume_scale"), _vx_volume_scale);
Vector3 vx_position_snapped = -voxelSnap(camera_spatial.position);
Matrix4 voxel_volume_position = Matrix4.CreateTranslation(vx_position_snapped);
GL.Uniform3(_pConeTrace.getUniform("vx_volume_position"), vx_position_snapped);
GL.Uniform1(_pConeTrace.getUniform("maxMipLevels"), _tVoxelVolume.getMaxMipMap());
normal_texture.bind(_pConeTrace.getSamplerUniform(0), 0);
specular_texture.bind(_pConeTrace.getSamplerUniform(1), 1);
diffuse_texture.bind(_pConeTrace.getSamplerUniform(2), 2);
_tVoxelVolume.bind(_pConeTrace.getSamplerUniform(3), 3);
quad.renderFullQuad();
}