public bool Render(SceneRenderer renderer, SceneNode root)
{
if (this.Geometry != null && renderer.ActiveShaderProgram != null)
{
if (renderer.ActiveCamera != null && this.Geometry.IsCreated(renderer) && !renderer.ActiveCamera.IsInViewFrustum(this, root))
{
// geometry is not in the view frustum of the camera
return(false);
}
// upload model matrix
IConstantBuffer trans = this.GetWorldTransformBuffer(root);
renderer.ActiveShaderProgram.BindConstantBuffer(renderer, "ModelTransformation", trans.GetBuffer(renderer));
if (renderer.ActiveCamera != null)
{
// upload model-view and normal matrix
trans = this.GetModelViewTransformBuffer(root, renderer.ActiveCamera);
renderer.ActiveShaderProgram.BindConstantBuffer(renderer, "ModelViewTransformation", trans.GetBuffer(renderer));
}
// render the geometry
this.Geometry.Render(renderer);
return(true);
}
return(false);
}
public override void Bind(SceneRenderer renderer, SceneNode root)
{
renderer.ActiveLight = this;
if (renderer.ActiveShaderProgram != null && renderer.ActiveCamera != null)
{
renderer.ActiveShaderProgram.BindConstantBuffer(renderer, "LightParameters", _lightParamsBuffer.GetBuffer(renderer));
Matrix4 worldTrans = this.GetWorldTransform(root) ?? Matrix4.Identity;
Matrix4 invCamTrans = renderer.ActiveCamera.GetInverseWorldTransform(root) ?? Matrix4.Identity;
Matrix4 finalTrans = invCamTrans * worldTrans;
Vector4 position = finalTrans * new Vector4(0, 0, 0, 1);
position /= position.W;
Vector3 spotDir = (finalTrans * new Vector4(SpotDirection, 0)).Normalized.XYZ;
if (_lightTransBuffer.Value.Position != position || _lightTransBuffer.Value.SpotDirection != spotDir)
{
_lightTransBuffer.Value = new LightTransformation()
{
Position = position,
SpotDirection = spotDir
};
}
renderer.ActiveShaderProgram.BindConstantBuffer(renderer, "LightTransformation", _lightTransBuffer.GetBuffer(renderer));
}
}
public void Bind(SceneRenderer renderer, SceneNode root)
{
if (renderer.ActiveShaderProgram != null)
{
ClipPlaneParameters parameters = new ClipPlaneParameters();
parameters.ClipPlaneWorldMatrix = this.GetWorldTransform(root).Value;
parameters.UseClipPlane = true;
_cbuffer.Value = parameters;
renderer.ActiveShaderProgram.BindConstantBuffer(renderer, "ClipPlaneParameters", _cbuffer.GetBuffer(renderer));
}
}
public void Bind(SceneRenderer renderer, SceneNode root)
{
renderer.ActiveCamera = this;
if (renderer.ActiveShaderProgram != null)
{
// upload projection matrix
renderer.ActiveShaderProgram.BindConstantBuffer(renderer, "CameraProjection", _projectionMatrixBuffer.GetBuffer(renderer));
// upload view matrix
IConstantBuffer trans = this.GetInverseWorldTransformBuffer(root);
renderer.ActiveShaderProgram.BindConstantBuffer(renderer, "CameraTransformation", trans.GetBuffer(renderer));
}
}
public void BindLightCamera(SceneRenderer renderer, SceneNode root, int shadowMapIdx)
{
renderer.ActiveCamera = this;
_currentShadowMapIdx = shadowMapIdx;
if (renderer.ActiveShaderProgram != null)
{
// upload projection matrix
_shadowCascades[_currentShadowMapIdx].BindProjection(renderer);
// upload view matrix
IConstantBuffer trans = this.GetInverseWorldTransformBuffer(root);
renderer.ActiveShaderProgram.BindConstantBuffer(renderer, "CameraTransformation", trans.GetBuffer(renderer));
}
}
public override void Bind(SceneRenderer renderer, SceneNode root)
{
renderer.ActiveLight = this;
if (renderer.ActiveShaderProgram != null && renderer.ActiveCamera != null)
{
renderer.ActiveShaderProgram.BindConstantBuffer(renderer, "LightParameters", _lightParamsBuffer.GetBuffer(renderer));
Matrix4 worldTrans = this.GetWorldTransform(root) ?? Matrix4.Identity;
Matrix4 invCamTrans = renderer.ActiveCamera.GetInverseWorldTransform(root) ?? Matrix4.Identity;
Matrix4 finalTrans = invCamTrans * worldTrans;
Vector4 position = finalTrans * new Vector4(0, 0, -1, 0);
Matrix4 viewProj = _projectionMatrix * GetInverseWorldTransform(root) ?? Matrix4.Identity;
if (_lightTransBuffer.Value.Position != position || _lightTransBuffer.Value.ViewProjection != viewProj)
{
_lightTransBuffer.Value = new LightTransformation()
{
Position = position,
ViewProjection = viewProj,
};
}
renderer.ActiveShaderProgram.BindConstantBuffer(renderer, "LightTransformation", _lightTransBuffer.GetBuffer(renderer));
if (this.CastShadow)
{
if (_shadowParametersBuffer.Value != _shadowParameters)
{
_shadowParametersBuffer.Value = _shadowParameters;
}
renderer.ActiveShaderProgram.BindConstantBuffer(renderer, "LightShadowParameters", _shadowParametersBuffer.GetBuffer(renderer));
for (int i = 0; i < this._shadowCascades.Count; i++)
{
_shadowCascades[i].BindShadowMap(renderer);
}
}
}
}
public bool RenderInstanced(SceneRenderer renderer, SceneNode root, int numInstances)
{
if (this.Geometry != null && renderer.ActiveShaderProgram != null)
{
// upload model matrix
IConstantBuffer trans = this.GetWorldTransformBuffer(root);
renderer.ActiveShaderProgram.BindConstantBuffer(renderer, "ModelTransformation", trans.GetBuffer(renderer));
if (renderer.ActiveCamera != null)
{
// upload model-view and normal matrix
trans = this.GetModelViewTransformBuffer(root, renderer.ActiveCamera);
renderer.ActiveShaderProgram.BindConstantBuffer(renderer, "ModelViewTransformation", trans.GetBuffer(renderer));
}
// render the geometry
this.Geometry.RenderInstanced(renderer, numInstances);
return(true);
}
return(false);
}
public abstract void Bind(SceneRenderer renderer, SceneNode root);
