public unsafe void SetVertexShaderConstants(DeviceContext deviceContext, SharpDX.Matrix world, SharpDX.Matrix viewProjection, Vector3 lightPosition)
{
// hlsl matrices are default column order
var constants = new VSConstantBuffer();
for (int i = 0, col = 0; col < 4; col++)
{
for (int row = 0; row < 4; row++)
{
constants.world[i] = world[row, col];
constants.viewProjection[i] = viewProjection[row, col];
i++;
}
}
for (int i = 0; i < 3; i++)
{
constants.lightPosition[i] = lightPosition[i];
}
DataStream dataStream;
deviceContext.MapSubresource(vertexShaderConstantBuffer, MapMode.WriteDiscard, SharpDX.Direct3D11.MapFlags.None, out dataStream);
dataStream.Write <VSConstantBuffer>(constants);
deviceContext.UnmapSubresource(vertexShaderConstantBuffer, 0);
}
public unsafe void SetVertexShaderConstants(DeviceContext deviceContext, SharpDX.Matrix world, SharpDX.Matrix viewProjection, SharpDX.Matrix inverseProjection)
{
// hlsl matrices are default column order
var constants = new VSConstantBuffer();
for (int i = 0, col = 0; col < 4; col++)
{
for (int row = 0; row < 4; row++)
{
constants.world[i] = world[row, col];
constants.viewProjection[i] = viewProjection[row, col];
constants.inverseProjection[i] = inverseProjection[row, col];
i++;
}
}
DataStream dataStream;
deviceContext.MapSubresource(vertexShaderConstantBuffer, MapMode.WriteDiscard, SharpDX.Direct3D11.MapFlags.None, out dataStream);
dataStream.Write<VSConstantBuffer>(constants);
deviceContext.UnmapSubresource(vertexShaderConstantBuffer, 0);
}