void ModelViewer::RenderObjects( GraphicsContext& gfxContext, const Matrix4& ViewProjMat )
{
struct VSConstants
{
Matrix4 modelToProjection;
Matrix4 modelToShadow;
XMFLOAT3 viewerPos;
} vsConstants;
vsConstants.modelToProjection = ViewProjMat;
vsConstants.modelToShadow = m_SunShadow.GetShadowMatrix();
XMStoreFloat3(&vsConstants.viewerPos, m_Camera.GetPosition());
gfxContext.SetDynamicConstantBufferView(0, sizeof(vsConstants), &vsConstants);
uint32_t materialIdx = 0xFFFFFFFFul;
uint32_t VertexStride = m_Model.m_VertexStride;
for (unsigned int meshIndex = 0; meshIndex < m_Model.m_Header.meshCount; meshIndex++)
{
const Model::Mesh& mesh = m_Model.m_pMesh[meshIndex];
uint32_t indexCount = mesh.indexCount;
uint32_t startIndex = mesh.indexDataByteOffset / sizeof(uint16_t);
uint32_t baseVertex = mesh.vertexDataByteOffset / VertexStride;
if (mesh.materialIndex != materialIdx)
{
materialIdx = mesh.materialIndex;
gfxContext.SetDynamicDescriptors(3, 0, 6, m_Model.GetSRVs(materialIdx) );
}
#if USE_VERTEX_BUFFER
gfxContext.DrawIndexed(indexCount, startIndex, baseVertex);
#else
gfxContext.SetConstants(5, baseVertex);
gfxContext.DrawIndexed(indexCount, startIndex);
#endif
}
}
