void Bloom::Render(const ITexture* input, RenderTarget* output) const {
RenderTarget* downsampled_rt = Assets<RenderTarget>::Get(s_RTName);
RenderTarget* downsampled_rt_blur_x = Assets<RenderTarget>::Get(s_RTNameBlurX);
RenderTarget* downsampled_rt_blur_y = Assets<RenderTarget>::Get(s_RTNameBlurY);
const Model* model = m_Object->GetModel();
const Mesh& mesh = *model->GetMesh();
Effect* effect = model->GetEffect();
effect->SetTexture(input, TextureIndex::Texture0);
m_Object->PopulateObjectBuffer();
// The bloom effect needs a downsampled texture, so we first render into that.
downsampled_rt->Set();
effect->RenderPass(bloom_downsample_pass, mesh);
// Render from downsampled to x-blurred
downsampled_rt_blur_x->Set();
effect->SetTexture(downsampled_rt, TextureIndex::Texture0);
effect->RenderPass(bloom_blur_pass_1, mesh);
// Render from x-blurred to xy-blurred
downsampled_rt_blur_y->Set();
effect->SetTexture(downsampled_rt_blur_x, TextureIndex::Texture0);
effect->RenderPass(bloom_blur_pass_2, mesh);
// Then combine the original and the downsampled copy.
output->Set();
effect->SetTexture(input, TextureIndex::Texture0);
effect->SetTexture(downsampled_rt_blur_y, TextureIndex::Texture1);
effect->RenderPass(bloom_postprocess_pass, mesh);
}
void IPostProcess::Render(const ITexture* input, RenderTarget* output) const {
output->Clear(Engine::instance->m_Config.background_color);
output->Set();
Effect* effect = m_Object->GetModel()->GetEffect();
if (input != NULL) {
effect->SetTexture(input, TextureIndex::Texture0);
}
m_Object->Render();
}
