2a8ebc4906
Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
90 lines
3.2 KiB
C++
90 lines
3.2 KiB
C++
#pragma once
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#include <mln/tile/tile_id.hpp>
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#include <mln/util/font_stack.hpp>
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#include <mln/gfx/rendering_stats.hpp>
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#include <mln/text/glyph_range.hpp>
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#include <mln/tile/tile_operation.hpp>
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#include <mln/gfx/backend.hpp>
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#include <mln/shaders/shader_source.hpp>
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#include <mln/util/symbol_error_observer.hpp>
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#include <cstdint>
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#include <exception>
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#include <functional>
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#include <string>
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namespace mln {
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namespace gfx {
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class ShaderRegistry;
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}
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class RendererObserver : public SymbolErrorObserver {
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public:
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~RendererObserver() override = default;
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enum class RenderMode : uint32_t {
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Partial,
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Full
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};
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/// Signals that a repaint is required
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virtual void onInvalidate() {}
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/// Resource failed to download / parse
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virtual void onResourceError(std::exception_ptr) {}
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/// First frame
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virtual void onWillStartRenderingMap() {}
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/// Start of frame, initial is the first frame for this map
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virtual void onWillStartRenderingFrame() {}
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/// End of frame, booleans flags that a repaint is required and that placement changed.
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virtual void onDidFinishRenderingFrame(RenderMode, bool /*repaint*/, bool /*placementChanged*/) {}
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/// End of frame, booleans flags that a repaint is required and that placement changed.
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virtual void onDidFinishRenderingFrame(RenderMode mode,
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bool repaint,
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bool placementChanged,
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double /*frameEncodingTime*/,
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double /*frameRenderingTime*/) {
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onDidFinishRenderingFrame(mode, repaint, placementChanged);
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}
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virtual void onDidFinishRenderingFrame(RenderMode mode,
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bool repaint,
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bool placementChanged,
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const gfx::RenderingStats& stats) {
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onDidFinishRenderingFrame(mode, repaint, placementChanged, stats.encodingTime, stats.renderingTime);
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}
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/// Final frame
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virtual void onDidFinishRenderingMap() {}
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/// Style is missing an image
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using StyleImageMissingCallback = std::function<void()>;
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virtual void onStyleImageMissing(const std::string&, const StyleImageMissingCallback& done) { done(); }
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virtual void onRemoveUnusedStyleImages(const std::vector<std::string>&) {}
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// Entry point for custom shader registration
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virtual void onRegisterShaders(gfx::ShaderRegistry&) {};
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virtual void onPreCompileShader(shaders::BuiltIn, gfx::Backend::Type, const std::string&) {}
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virtual void onPostCompileShader(shaders::BuiltIn, gfx::Backend::Type, const std::string&) {}
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virtual void onShaderCompileFailed(shaders::BuiltIn, gfx::Backend::Type, const std::string&) {}
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// Glyph loading
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virtual void onGlyphsLoaded(const FontStack&, const GlyphRange&) {}
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virtual void onGlyphsError(const FontStack&, const GlyphRange&, std::exception_ptr) {}
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virtual void onGlyphsRequested(const FontStack&, const GlyphRange&) {}
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// Tile loading
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virtual void onTileAction(TileOperation, const OverscaledTileID&, const std::string&) {}
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/// Render layer or drawable failed
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virtual void onRenderError(std::exception_ptr) {}
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};
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} // namespace mln
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