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43 lines
1.4 KiB
C++
43 lines
1.4 KiB
C++
#include "drape_frontend/overlay_batcher.hpp"
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#include "drape_frontend/map_shape.hpp"
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#include "drape/batcher.hpp"
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#include "drape/render_bucket.hpp"
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#include "drape/texture_manager.hpp"
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namespace df
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{
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uint32_t const kOverlayIndexBufferSize = 30000;
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uint32_t const kOverlayVertexBufferSize = 20000;
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OverlayBatcher::OverlayBatcher(TileKey const & key) : m_batcher(kOverlayIndexBufferSize, kOverlayVertexBufferSize)
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{
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int const kAverageRenderDataCount = 5;
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m_data.reserve(kAverageRenderDataCount);
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m_batcher.SetBatcherHash(key.GetHashValue(BatcherBucket::Overlay));
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m_batcher.StartSession([this, key](dp::RenderState const & state, drape_ptr<dp::RenderBucket> && bucket)
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{ FlushGeometry(key, state, std::move(bucket)); });
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}
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void OverlayBatcher::Batch(ref_ptr<dp::GraphicsContext> context, drape_ptr<MapShape> const & shape,
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ref_ptr<dp::TextureManager> texMng)
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{
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m_batcher.SetFeatureMinZoom(shape->GetFeatureMinZoom());
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shape->Draw(context, make_ref(&m_batcher), texMng);
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}
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void OverlayBatcher::Finish(ref_ptr<dp::GraphicsContext> context, TOverlaysRenderData & data)
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{
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m_batcher.EndSession(context);
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data.swap(m_data);
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}
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void OverlayBatcher::FlushGeometry(TileKey const & key, dp::RenderState const & state,
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drape_ptr<dp::RenderBucket> && bucket)
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{
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m_data.emplace_back(key, state, std::move(bucket));
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}
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} // namespace df
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