82 lines
2.6 KiB
C++
82 lines
2.6 KiB
C++
#include "drape_frontend/text_handle.hpp"
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#include "drape/texture_manager.hpp"
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namespace df
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{
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TextHandle::TextHandle(dp::OverlayID const & id, dp::TGlyphs && glyphs, dp::Anchor anchor, uint64_t priority,
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ref_ptr<dp::TextureManager> textureManager, int minVisibleScale, bool isBillboard)
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: OverlayHandle(id, anchor, priority, minVisibleScale, isBillboard)
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, m_forceUpdateNormals(false)
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, m_isLastVisible(false)
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, m_glyphs(std::move(glyphs))
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, m_textureManager(textureManager)
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, m_glyphsReady(false)
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{}
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TextHandle::TextHandle(dp::OverlayID const & id, dp::TGlyphs && glyphs, dp::Anchor anchor,
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uint64_t priority, ref_ptr<dp::TextureManager> textureManager,
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gpu::TTextDynamicVertexBuffer && normals, int minVisibleScale, bool isBillboard)
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: OverlayHandle(id, anchor, priority, minVisibleScale, isBillboard)
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, m_buffer(std::move(normals))
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, m_forceUpdateNormals(false)
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, m_isLastVisible(false)
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, m_glyphs(std::move(glyphs))
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, m_textureManager(textureManager)
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, m_glyphsReady(false)
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{}
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void TextHandle::GetAttributeMutation(ref_ptr<dp::AttributeBufferMutator> mutator) const
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{
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bool const isVisible = IsVisible();
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if (!m_forceUpdateNormals && m_isLastVisible == isVisible)
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return;
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TOffsetNode const & node = GetOffsetNode(gpu::TextDynamicVertex::GetDynamicStreamID());
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ASSERT(node.first.GetElementSize() == sizeof(gpu::TextDynamicVertex), ());
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ASSERT(node.second.m_count == m_buffer.size(), ());
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uint32_t const byteCount = static_cast<uint32_t>(m_buffer.size()) * sizeof(gpu::TextDynamicVertex);
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void * buffer = mutator->AllocateMutationBuffer(byteCount);
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if (isVisible)
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memcpy(buffer, m_buffer.data(), byteCount);
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else
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memset(buffer, 0, byteCount);
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dp::MutateNode mutateNode;
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mutateNode.m_region = node.second;
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mutateNode.m_data = make_ref(buffer);
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mutator->AddMutation(node.first, mutateNode);
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m_isLastVisible = isVisible;
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}
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bool TextHandle::Update(ScreenBase const & screen)
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{
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if (!m_glyphsReady)
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m_glyphsReady = m_textureManager->AreGlyphsReady(m_glyphs);
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return m_glyphsReady;
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}
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bool TextHandle::IndexesRequired() const
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{
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// Disable indices usage for text handles.
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return false;
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}
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void TextHandle::SetForceUpdateNormals(bool forceUpdate) const
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{
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m_forceUpdateNormals = forceUpdate;
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}
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#ifdef DEBUG_OVERLAYS_OUTPUT
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std::string TextHandle::GetOverlayDebugInfo()
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{
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std::ostringstream out;
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out << "Text Priority(" << std::hex << std::setw(16) << std::setfill('0') << GetPriority()
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<< ") " << std::dec << DebugPrint(GetOverlayID());
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return out.str();
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}
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#endif
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} // namespace df
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