void DxSprite::DrawBatch(UINT startSpriteIndex, UINT spriteCount)
{
D3D11_MAPPED_SUBRESOURCE mappedData;
Globals::Get().device.m_context->Map(VB, 0, D3D11_MAP_WRITE_DISCARD, 0, &mappedData);
SpriteVertex * v = reinterpret_cast<SpriteVertex *>(mappedData.pData);
for(UINT i = 0; i < spriteCount; ++i)
{
const Sprite & sprite = SpriteList[startSpriteIndex + i];
SpriteVertex quad[ 4 ];
BuildSpriteQuad(sprite, quad);
v[i * 4] = quad[0];
v[i * 4 + 1] = quad[1];
v[i * 4 + 2] = quad[2];
v[i * 4 + 3] = quad[3];
}
Globals::Get().device.m_context->Unmap(VB, 0);
Globals::Get().device.m_context->DrawIndexed(spriteCount * 6, 0, 0);
}
void DX11SpriteBatch::DrawBatch(ID3D11DeviceContext* dc, u32 startSpriteIndex, u32 spriteCount)
{
// Write the quads to the vertex buffer.
D3D11_MAPPED_SUBRESOURCE mappedData;
dc->Map(mVertexBuffer, 0, D3D11_MAP_WRITE_DISCARD, 0, &mappedData);
MeshData::SpriteVertex* v = reinterpret_cast<MeshData::SpriteVertex*>(mappedData.pData);
for(u32 i = 0; i < spriteCount; ++i)
{
const Sprite& sprite = mSpriteList[startSpriteIndex + i];
MeshData::SpriteVertex quad[4];
BuildSpriteQuad(sprite, quad);
v[i*4+0] = quad[0];
v[i*4+1] = quad[1];
v[i*4+2] = quad[2];
v[i*4+3] = quad[3];
}
dc->Unmap(mVertexBuffer, 0);
dc->DrawIndexed(spriteCount*6, 0, 0);
}