62deb02265
Co-authored-by: Stefan Karschti <stefan.karschti@gmail.com> Co-authored-by: Bart Louwers <bart.louwers@gmail.com> Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
69 lines
1.9 KiB
C++
69 lines
1.9 KiB
C++
#pragma once
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#include <functional>
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#include <map>
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#include <memory>
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#include <string>
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namespace mbgl {
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namespace gfx {
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class Texture2D;
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class UploadPass;
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using Texture2DPtr = std::shared_ptr<Texture2D>;
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} // namespace gfx
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class LayerGroupBase;
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class PaintParameters;
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class RenderOrchestrator;
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class RenderTree;
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using LayerGroupBasePtr = std::shared_ptr<LayerGroupBase>;
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/// Render target class
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class RenderTarget {
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public:
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virtual ~RenderTarget() = default;
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/// Set the render target texture
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void setTexture(const gfx::Texture2DPtr& texture_) { texture = std::move(texture_); };
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/// Get the render target texture
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const gfx::Texture2DPtr& getTexture() const { return texture; };
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/// @brief Add a layer group to the render target
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/// @param replace Flag to replace if exists
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/// @return whether added
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bool addLayerGroup(LayerGroupBasePtr, bool replace);
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/// @brief Remove a layer group
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/// @param layerIndex index of the layer to remove
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/// @return whether removed
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bool removeLayerGroup(const int32_t layerIndex);
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/// Get the layer group count
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size_t numLayerGroups() const noexcept;
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/// @brief Get a specific layer group by index
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/// @param layerIndex index
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/// @return the layer group if existant, othewise a shared null pointer
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const LayerGroupBasePtr& getLayerGroup(const int32_t layerIndex) const;
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/// Execute the given function for each contained layer group
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void visitLayerGroups(std::function<void(LayerGroupBase&)>);
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void visitLayerGroups(std::function<void(const LayerGroupBase&)>) const;
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/// Upload the layer groups
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virtual void upload(gfx::UploadPass& uploadPass) = 0;
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/// Render the layer groups
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virtual void render(RenderOrchestrator&, const RenderTree&, PaintParameters&) = 0;
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protected:
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gfx::Texture2DPtr texture;
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using LayerGroupMap = std::map<int32_t, LayerGroupBasePtr>;
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LayerGroupMap layerGroupsByLayerIndex;
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};
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} // namespace mbgl
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