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 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 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 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));
}
}