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