void SetNoteShaderConstants(DeviceContext context, NotesGlobalConstants constants)
{
DataStream data;
context.MapSubresource(globalNoteConstants, 0, MapMode.WriteDiscard, SharpDX.Direct3D11.MapFlags.None, out data);
data.Write(constants);
context.UnmapSubresource(globalNoteConstants, 0);
context.VertexShader.SetConstantBuffer(0, globalNoteConstants);
context.GeometryShader.SetConstantBuffer(0, globalNoteConstants);
data.Dispose();
}
void Attach()
{
disposer = new DisposeGroup();
var device = Renderer.Device;
string noteShaderData;
var assembly = Assembly.GetExecutingAssembly();
using (var stream = assembly.GetManifestResourceStream("Iris.Previews.DX11.notes.fx"))
using (var reader = new IO.StreamReader(stream))
noteShaderData = reader.ReadToEnd();
notesShader = disposer.Add(new ShaderManager(
device,
ShaderBytecode.Compile(noteShaderData, "VS_Note", "vs_4_0", ShaderFlags.None, EffectFlags.None),
ShaderBytecode.Compile(noteShaderData, "PS", "ps_4_0", ShaderFlags.None, EffectFlags.None),
ShaderBytecode.Compile(noteShaderData, "GS_Note", "gs_4_0", ShaderFlags.None, EffectFlags.None)
));
noteLayout = disposer.Add(new InputLayout(device, ShaderSignature.GetInputSignature(notesShader.vertexShaderByteCode), new[] {
new InputElement("START", 0, Format.R32_Float, 0, 0),
new InputElement("END", 0, Format.R32_Float, 4, 0),
new InputElement("COLOR", 0, Format.R32G32B32A32_Float, 8, 0),
}));
noteConstants = new NotesGlobalConstants()
{
NoteBorder = 0.002f,
NoteLeft = -0.2f,
NoteRight = 0.0f,
ScreenAspect = 1f
};
noteBuffer = new Buffer(device, new BufferDescription()
{
BindFlags = BindFlags.VertexBuffer,
CpuAccessFlags = CpuAccessFlags.Write,
OptionFlags = ResourceOptionFlags.None,
SizeInBytes = 40 * noteBufferLength,
Usage = ResourceUsage.Dynamic,
StructureByteStride = 0
});
globalNoteConstants = new Buffer(device, new BufferDescription()
{
BindFlags = BindFlags.ConstantBuffer,
CpuAccessFlags = CpuAccessFlags.Write,
OptionFlags = ResourceOptionFlags.None,
SizeInBytes = 32,
Usage = ResourceUsage.Dynamic,
StructureByteStride = 0
});
var renderTargetDesc = new RenderTargetBlendDescription();
renderTargetDesc.IsBlendEnabled = true;
renderTargetDesc.SourceBlend = BlendOption.SourceAlpha;
renderTargetDesc.DestinationBlend = BlendOption.InverseSourceAlpha;
renderTargetDesc.BlendOperation = BlendOperation.Add;
renderTargetDesc.SourceAlphaBlend = BlendOption.One;
renderTargetDesc.DestinationAlphaBlend = BlendOption.One;
renderTargetDesc.AlphaBlendOperation = BlendOperation.Add;
renderTargetDesc.RenderTargetWriteMask = ColorWriteMaskFlags.All;
BlendStateDescription desc = new BlendStateDescription();
desc.AlphaToCoverageEnable = false;
desc.IndependentBlendEnable = false;
desc.RenderTarget[0] = renderTargetDesc;
var blendStateEnabled = new BlendState(device, desc);
device.ImmediateContext.OutputMerger.SetBlendState(blendStateEnabled);
RasterizerStateDescription renderStateDesc = new RasterizerStateDescription
{
CullMode = CullMode.None,
DepthBias = 0,
DepthBiasClamp = 0,
FillMode = FillMode.Solid,
IsAntialiasedLineEnabled = false,
IsDepthClipEnabled = false,
IsFrontCounterClockwise = false,
IsMultisampleEnabled = true,
IsScissorEnabled = false,
SlopeScaledDepthBias = 0
};
var rasterStateSolid = new RasterizerState(device, renderStateDesc);
device.ImmediateContext.Rasterizer.State = rasterStateSolid;
}