Organic Maps sources as of 02.04.2025 (fad26bbf22ac3da75e01e62aa01e5c8e11861005)

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drape_frontend/render_state_extension.cpp

@@ -0,0 +1,60 @@
+#include "drape_frontend/render_state_extension.hpp"
+
+#include <array>
+
+namespace
+{
+using namespace df;
+
+std::array<RenderStateExtension, static_cast<size_t>(DepthLayer::LayersCount)> kStateExtensions = {
+    RenderStateExtension(DepthLayer::GeometryLayer),
+    RenderStateExtension(DepthLayer::Geometry3dLayer),
+    RenderStateExtension(DepthLayer::UserLineLayer),
+    RenderStateExtension(DepthLayer::OverlayLayer),
+    RenderStateExtension(DepthLayer::TransitSchemeLayer),
+    RenderStateExtension(DepthLayer::UserMarkLayer),
+    RenderStateExtension(DepthLayer::RoutingBottomMarkLayer),
+    RenderStateExtension(DepthLayer::RoutingMarkLayer),
+    RenderStateExtension(DepthLayer::SearchMarkLayer),
+    RenderStateExtension(DepthLayer::GuiLayer)};
+
+struct RenderStateExtensionFactory
+{
+  static ref_ptr<RenderStateExtension> Get(DepthLayer depthLayer)
+  {
+    ASSERT_LESS(static_cast<size_t>(depthLayer), kStateExtensions.size(), ());
+    return make_ref(&kStateExtensions[static_cast<size_t>(depthLayer)]);
+  }
+};
+}  // namespace
+
+namespace df
+{
+RenderStateExtension::RenderStateExtension(DepthLayer depthLayer)
+  : m_depthLayer(depthLayer)
+{}
+
+bool RenderStateExtension::Less(ref_ptr<dp::BaseRenderStateExtension> other) const
+{
+  ASSERT(dynamic_cast<RenderStateExtension const *>(other.get()) != nullptr, ());
+  auto const renderState = static_cast<RenderStateExtension const *>(other.get());
+  return m_depthLayer < renderState->m_depthLayer;
+}
+
+bool RenderStateExtension::Equal(ref_ptr<dp::BaseRenderStateExtension> other) const
+{
+  ASSERT(dynamic_cast<RenderStateExtension const *>(other.get()) != nullptr, ());
+  auto const renderState = static_cast<RenderStateExtension const *>(other.get());
+  return m_depthLayer == renderState->m_depthLayer;
+}
+
+DepthLayer GetDepthLayer(dp::RenderState const & state)
+{
+  return state.GetRenderStateExtension<RenderStateExtension>()->GetDepthLayer();
+}
+
+dp::RenderState CreateRenderState(gpu::Program program, DepthLayer depthLayer)
+{
+  return dp::RenderState(program, RenderStateExtensionFactory::Get(depthLayer));
+}
+}  // namespace df