void application::perform_idle()
{
on_update();
if (m_ready)
{
begin_render();
on_render();
end_render();
}
}
bool RenderChain::render(const void *data,
unsigned width, unsigned height, unsigned pitch, unsigned rotation)
{
start_render();
unsigned current_width = width, current_height = height;
unsigned out_width = 0, out_height = 0;
convert_geometry(passes[0].info, out_width, out_height,
current_width, current_height, final_viewport);
blit_to_texture(data, width, height, pitch);
// Grab back buffer.
LPDIRECT3DSURFACE back_buffer;
dev->GetRenderTarget(0, &back_buffer);
// In-between render target passes.
for (unsigned i = 0; i < passes.size() - 1; i++)
{
Pass &from_pass = passes[i];
Pass &to_pass = passes[i + 1];
LPDIRECT3DSURFACE target;
to_pass.tex->GetSurfaceLevel(0, &target);
dev->SetRenderTarget(0, target);
convert_geometry(from_pass.info,
out_width, out_height,
current_width, current_height, final_viewport);
// Clear out whole FBO.
D3DVIEWPORT viewport = {0};
viewport.Width = to_pass.info.tex_w;
viewport.Height = to_pass.info.tex_h;
viewport.MinZ = 0.0f;
viewport.MaxZ = 1.0f;
dev->SetViewport(&viewport);
dev->Clear(0, 0, D3DCLEAR_TARGET, 0, 1, 0);
viewport.Width = out_width;
viewport.Height = out_height;
set_viewport(viewport);
set_vertices(from_pass,
current_width, current_height,
out_width, out_height,
out_width, out_height, 0);
render_pass(from_pass, i + 1);
current_width = out_width;
current_height = out_height;
target->Release();
}
// Final pass
dev->SetRenderTarget(0, back_buffer);
Pass &last_pass = passes.back();
convert_geometry(last_pass.info,
out_width, out_height,
current_width, current_height, final_viewport);
set_viewport(final_viewport);
set_vertices(last_pass,
current_width, current_height,
out_width, out_height,
final_viewport.Width, final_viewport.Height,
rotation);
render_pass(last_pass, passes.size());
frame_count++;
back_buffer->Release();
end_render();
set_shaders(fStock, vStock);
set_cg_mvp(vStock, final_viewport.Width, final_viewport.Height, 0);
return true;
}