void InitializeMultisampleInfo(MgPipelineMultisampleStateCreateInfo multisampleState)
{
if (multisampleState != null)
{
AlphaToCoverageEnabled = multisampleState.AlphaToCoverageEnable;
AlphaToOneEnabled = multisampleState.AlphaToOneEnable;
SampleCount = AmtSampleCountFlagBitExtensions.TranslateSampleCount(
multisampleState.RasterizationSamples);
}
else
{
// NO MULTISAMPLING
AlphaToCoverageEnabled = false;
AlphaToOneEnabled = false;
SampleCount = 1;
}
}
public Result CreateImage(MgImageCreateInfo pCreateInfo, IMgAllocationCallbacks allocator, out IMgImage pImage)
{
Debug.Assert(pCreateInfo != null);
var depth = (nuint)pCreateInfo.Extent.Depth;
var height = (nuint)pCreateInfo.Extent.Height;
var width = (nuint)pCreateInfo.Extent.Width;
var arrayLayers = (nuint)pCreateInfo.ArrayLayers;
var mipLevels = (nuint)pCreateInfo.MipLevels;
//TODO : Figure this out
var storageMode = MTLStorageMode.Shared;
var resourceOptions = MTLResourceOptions.CpuCacheModeDefault;
var cpuCacheMode = MTLCpuCacheMode.DefaultCache;
var descriptor = new MTLTextureDescriptor
{
ArrayLength = arrayLayers,
PixelFormat = AmtFormatExtensions.GetPixelFormat(pCreateInfo.Format),
SampleCount = AmtSampleCountFlagBitExtensions.TranslateSampleCount(pCreateInfo.Samples),
TextureType = TranslateTextureType(pCreateInfo.ImageType),
StorageMode = storageMode,
Width = width,
Height = height,
Depth = depth,
MipmapLevelCount = mipLevels,
Usage = TranslateUsage(pCreateInfo.Usage),
ResourceOptions = resourceOptions,
CpuCacheMode = cpuCacheMode,
};
var texture = mDevice.CreateTexture(descriptor);
pImage = new AmtImage(texture);
return(Result.SUCCESS);
}
public void Create(IMgCommandBuffer setupCmdBuffer, IMgSwapchainCollection swapchainCollection, MgGraphicsDeviceCreateInfo dsCreateInfo)
{
if (dsCreateInfo == null)
{
throw new ArgumentNullException(nameof(dsCreateInfo));
}
if (swapchainCollection == null)
{
throw new ArgumentNullException(nameof(swapchainCollection));
}
mDeviceCreated = false;
var colorFormat = AmtFormatExtensions.GetPixelFormat(dsCreateInfo.Color);
var depthFormat = AmtFormatExtensions.GetPixelFormat(dsCreateInfo.DepthStencil);
var sampleCount = AmtSampleCountFlagBitExtensions.TranslateSampleCount(dsCreateInfo.Samples);
ReleaseUnmanagedResources();
mApplicationView.SampleCount = sampleCount;
// FIXME : RUNTIME ISSUE WITH SETTING COLOR FORMAT; SHOULD "FIGURE" OUT APPROPRIATE COLOR FORMAT SOMEHOW
mApplicationView.ColorPixelFormat = colorFormat;
mApplicationView.DepthStencilPixelFormat = depthFormat;
CreateDepthStencilImageView();
CreateRenderpass(dsCreateInfo);
var bSwapchainCollection = (AmtSwapchainCollection)swapchainCollection;
bSwapchainCollection.Format = dsCreateInfo.Color;
bSwapchainCollection.Create(setupCmdBuffer, dsCreateInfo.Width, dsCreateInfo.Height);
mFramebuffers.Create(
swapchainCollection,
mRenderpass,
mDepthStencilView,
dsCreateInfo.Width,
dsCreateInfo.Height);
Scissor = new MgRect2D
{
Extent = new MgExtent2D {
Width = dsCreateInfo.Width, Height = dsCreateInfo.Height
},
Offset = new MgOffset2D {
X = 0, Y = 0
},
};
// initialise viewport
CurrentViewport = new MgViewport
{
Width = dsCreateInfo.Width,
Height = dsCreateInfo.Height,
X = 0,
Y = 0,
MinDepth = 0f,
MaxDepth = 1f,
};
mDeviceCreated = true;
}