bool getBuffer(const uint32 vertexSize, const uint32 indexSize, Vertex2D** pVertex, IndexType** pIndices, IndexType* indexOffset, D3D11Render2DCommandManager& commandManager)
{
// VB
const uint32 requiredVertexSize = m_vertexArrayWritePos + vertexSize;
if (m_vertices.size() < requiredVertexSize)
{
if (MaxVertexSize < requiredVertexSize)
{
return false;
}
resizeVertices(requiredVertexSize);
}
// IB
const uint32 requiredIndexSize = m_indexArrayWritePos + indexSize;
if (m_indices.size() < requiredIndexSize)
{
if (MaxIndexSize < requiredIndexSize)
{
return false;
}
resizeIndices(requiredIndexSize);
}
if (VertexBufferSize < (m_batches.back().vertexPos + vertexSize)
|| IndexBufferSize < (m_batches.back().indexPos + indexSize))
{
m_batches.emplace_back();
commandManager.pushNextBatch();
}
*pVertex = m_vertices.data() + m_vertexArrayWritePos;
*pIndices = m_indices.data() + m_indexArrayWritePos;
*indexOffset = m_batches.back().vertexPos;
m_vertexArrayWritePos += vertexSize;
m_indexArrayWritePos += indexSize;
m_batches.back().vertexPos += vertexSize;
m_batches.back().indexPos += indexSize;
return true;
}
void clearVertices (void) { resizeVertices(0); }
