public void Dispose()
{
if (constantBuffers != null)
{
Marshal.FreeHGlobal((IntPtr)constantBuffers);
constantBuffers = null;
}
if (textures != null)
{
Marshal.FreeHGlobal((IntPtr)textures);
textures = null;
}
if (textureDepthStencils != null)
{
Marshal.FreeHGlobal((IntPtr)textureDepthStencils);
textureDepthStencils = null;
}
if (randomAccessTypes != null)
{
Marshal.FreeHGlobal((IntPtr)randomAccessTypes);
randomAccessTypes = null;
}
}
public ComputeStateDesc_NativeInterop(ref ComputeStateDesc desc)
{
computeShader = ((ComputeShader)desc.computeShader).handle;
if (desc.constantBuffers != null)
{
constantBufferCount = desc.constantBuffers.Length;
constantBuffers = (IntPtr *)Marshal.AllocHGlobal(Marshal.SizeOf <IntPtr>() * constantBufferCount);
for (int i = 0; i != constantBufferCount; ++i)
{
constantBuffers[i] = ((ConstantBuffer)desc.constantBuffers[i]).handle;
}
}
else
{
constantBufferCount = 0;
constantBuffers = null;
}
if (desc.textures != null)
{
textureCount = desc.textures.Length;
textures = (IntPtr *)Marshal.AllocHGlobal(Marshal.SizeOf <IntPtr>() * textureCount);
for (int i = 0; i != textureCount; ++i)
{
textures[i] = desc.textures[i].GetHandle();
}
}
else
{
textureCount = 0;
textures = null;
}
if (desc.textureDepthStencils != null)
{
textureDepthStencilCount = desc.textureDepthStencils.Length;
textureDepthStencils = (IntPtr *)Marshal.AllocHGlobal(Marshal.SizeOf <IntPtr>() * textureDepthStencilCount);
for (int i = 0; i != textureDepthStencilCount; ++i)
{
textureDepthStencils[i] = desc.textureDepthStencils[i].GetHandle();
}
}
else
{
textureDepthStencilCount = 0;
textureDepthStencils = null;
}
if (desc.randomAccessBuffers != null)
{
randomAccessBufferCount = desc.randomAccessBuffers.Length;
randomAccessBuffers = (IntPtr *)Marshal.AllocHGlobal(Marshal.SizeOf <IntPtr>() * randomAccessBufferCount);
randomAccessTypes = (RandomAccessBufferType *)Marshal.AllocHGlobal(sizeof(RandomAccessBufferType) * randomAccessBufferCount);
for (int i = 0; i != randomAccessBufferCount; ++i)
{
var buffer = desc.randomAccessBuffers[i];
var type = buffer.GetType();
if (typeof(Texture2DBase).IsAssignableFrom(type))
{
randomAccessBuffers[i] = ((Texture2DBase)buffer).GetHandle();
randomAccessTypes[i] = RandomAccessBufferType.Texture;
}
else
{
throw new NotSupportedException("Unsupported ComputeShader random access buffer type: " + type.ToString());
}
}
}
else
{
randomAccessBufferCount = 0;
randomAccessBuffers = null;
randomAccessTypes = null;
}
}
public RenderStateDesc_NativeInterop(ref RenderStateDesc desc)
{
renderPass = ((RenderPass)desc.renderPass).handle;
shaderEffect = ((ShaderEffect)desc.shaderEffect).handle;
if (desc.constantBuffers != null)
{
constantBufferCount = desc.constantBuffers.Length;
constantBuffers = (IntPtr *)Marshal.AllocHGlobal(Marshal.SizeOf <IntPtr>() * constantBufferCount);
for (int i = 0; i != constantBufferCount; ++i)
{
constantBuffers[i] = ((ConstantBuffer)desc.constantBuffers[i]).handle;
}
}
else
{
constantBufferCount = 0;
constantBuffers = null;
}
if (desc.textures != null)
{
textureCount = desc.textures.Length;
textures = (IntPtr *)Marshal.AllocHGlobal(Marshal.SizeOf <IntPtr>() * textureCount);
for (int i = 0; i != textureCount; ++i)
{
textures[i] = desc.textures[i].GetHandle();
}
}
else
{
textureCount = 0;
textures = null;
}
if (desc.textureDepthStencils != null)
{
textureDepthStencilCount = desc.textureDepthStencils.Length;
textureDepthStencils = (IntPtr *)Marshal.AllocHGlobal(Marshal.SizeOf <IntPtr>() * textureDepthStencilCount);
for (int i = 0; i != textureDepthStencilCount; ++i)
{
textureDepthStencils[i] = desc.textureDepthStencils[i].GetHandle();
}
}
else
{
textureDepthStencilCount = 0;
textureDepthStencils = null;
}
if (desc.randomAccessBuffers != null)
{
randomAccessBufferCount = desc.randomAccessBuffers.Length;
randomAccessBuffers = (IntPtr *)Marshal.AllocHGlobal(Marshal.SizeOf <IntPtr>() * randomAccessBufferCount);
randomAccessTypes = (RandomAccessBufferType *)Marshal.AllocHGlobal(sizeof(RandomAccessBufferType) * randomAccessBufferCount);
for (int i = 0; i != randomAccessBufferCount; ++i)
{
var buffer = desc.randomAccessBuffers[i];
var type = buffer.GetType();
if (typeof(Texture2DBase).IsAssignableFrom(type))
{
randomAccessBuffers[i] = ((Texture2DBase)buffer).GetHandle();
randomAccessTypes[i] = RandomAccessBufferType.Texture;
}
else
{
throw new NotSupportedException("Unsupported ComputeShader random access buffer type: " + type.ToString());
}
}
}
else
{
randomAccessBufferCount = 0;
randomAccessBuffers = null;
randomAccessTypes = null;
}
vertexBufferTopology = desc.vertexBufferTopology;
vertexBufferStreamer = ((VertexBufferStreamer)desc.vertexBufferStreamer).handle;
if (desc.indexBuffer != null)
{
indexBuffer = ((IndexBuffer)desc.indexBuffer).handle;
}
else
{
indexBuffer = IntPtr.Zero;
}
triangleCulling = desc.triangleCulling;
triangleFillMode = desc.triangleFillMode;
blendDesc = new BlendDesc_NativeInterop(ref desc.blendDesc);
depthStencilDesc = new DepthStencilDesc_NativeInterop(ref desc.depthStencilDesc);
}
