private unsafe void ImplSetRenderSurface(RenderSurface surface)
{
if (vertex_index > 0)
{
Submit();
}
if (surface != null)
{
current_render_pass++;
if (current_render_pass > max_render_pass)
{
max_render_pass = current_render_pass;
}
}
else
{
surface = render_surfaces[0];
current_render_pass = 0;
}
Matrix4x4 projection = surface.Projection;
gfx.SetRenderTarget(current_render_pass, surface.RenderTarget);
gfx.SetClearColor(current_render_pass, surface != render_surfaces[0] ? Color.Transparent : Color.Black);
gfx.SetViewport(current_render_pass, 0, 0, surface.Width, surface.Height);
gfx.SetProjection(current_render_pass, &projection.M11);
}
private unsafe void ImplDrawSurface(RenderSurface surface, int index)
{
var vertex_buffer = new TransientVertexBuffer(4, Vertex2DLayout);
fixed(void *v = surface.Vertices)
{
Unsafe.CopyBlock((void *)vertex_buffer.Data, v, (uint)(4 * Vertex2D.Stride));
}
var pass = (byte)(max_render_pass + index + 1);
gfx.SetViewport(pass, 0, 0, Game.Instance.ScreenSize.W, Game.Instance.ScreenSize.H);
var proj = screen_projection;
gfx.SetProjection(pass, &proj.M11);
//gfx.SetClearColor(pass, Color.Blue);
Bgfx.SetTexture(0, current_shader_program.Samplers[0], surface.RenderTarget.NativeTexture, TextureFlags.FilterPoint | TextureFlags.ClampUVW);
Bgfx.SetRenderState(render_state);
Bgfx.SetIndexBuffer(index_buffer, 0, 6);
Bgfx.SetVertexBuffer(0, vertex_buffer, 0, vertex_index);
Bgfx.Submit(pass, surface.Shader?.Program ?? current_shader_program.Program);
}
public RenderSurface AddSurface(Rect area, string name = "Surface")
{
var surface = new RenderSurface(area);
surface.Name = name;
render_surfaces[overlay_surface_idx++] = surface;
return(surface);
}
public void SetRenderSurface(RenderSurface surface)
{
ImplSetRenderSurface(surface);
}