void EndUpdate(){
if (mVertexBuffer && mMapped)
{
mVertexBuffer->Unmap(0);
mMapped = 0;
}
}
void Render(const RenderParam& param, RenderParamOut* paramOut){
RenderEventMarker mark("ParticleRenderObject");
if (mMapped)
{
mVertexBuffer->Unmap(0);
mMapped = 0;
}
if (param.mRenderPass != RENDER_PASS::PASS_NORMAL || !mVertexBuffer || mBatches.empty())
return;
auto& renderer = Renderer::GetInstance();
mMaterial->Bind(true);
mVertexBuffer->Bind();
renderer.SetPrimitiveTopology(PRIMITIVE_TOPOLOGY_POINTLIST);
/*for (auto batch : mBatches){
++sNumDrawCalls;
pRenderer->Draw(batch.second, batch.first);
sNumDrawPrimitives += batch.second;
}*/
//draw
UINT num = 0;
UINT start = mBatches[0].first;
for(const auto& it : mBatches)
{
if (start > it.first)
{
// draw
assert(start + num <= mMaxVertices);
renderer.Draw(num, start);
++sNumDrawCalls;
sNumDrawPrimitives += num;
start = it.first;
num = 0;
}
num += it.second;
}
if (num)
{
assert(num < mMaxVertices);
renderer.Draw(num, start);
++sNumDrawCalls;
sNumDrawPrimitives += num;
}
mMaterial->Unbind();
}