/// <summary>
/// Function to save the state information to this object.
/// </summary>
private void Save()
{
_targets = _graphics.Output.GetRenderTargets();
_uavs = _graphics.Output.GetUnorderedAccessViews();
_indexBuffer = _graphics.Input.IndexBuffer;
_vertexBuffer = _graphics.Input.VertexBuffers[0];
_inputLayout = _graphics.Input.Layout;
_primitiveType = _graphics.Input.PrimitiveType;
_pixelShader = _graphics.Shaders.PixelShader.Current;
_vertexShader = _graphics.Shaders.VertexShader.Current;
_blendStates = _graphics.Output.BlendingState.States;
_blendFactor = _graphics.Output.BlendingState.BlendFactor;
_blendSampleMask = _graphics.Output.BlendingState.BlendSampleMask;
_rasterStates = _graphics.Rasterizer.States;
_samplerState = _graphics.Shaders.PixelShader.TextureSamplers[0];
_resource = _graphics.Shaders.PixelShader.Resources[0];
_depthStencilState = _graphics.Output.DepthStencilState.States;
_depthStencilReference = _graphics.Output.DepthStencilState.StencilReference;
_rasterStates.IsScissorTestingEnabled = false;
_depthStencil = _graphics.Output.DepthStencilView;
_viewports = _graphics.Rasterizer.GetViewports();
_scissorTests = _graphics.Rasterizer.GetScissorRectangles();
_alphaTest = new Gorgon2DAlphaTest(Gorgon2D.IsAlphaTestEnabled, GorgonRangeF.Empty);
_vsConstantBuffers = new Dictionary <int, GorgonConstantBuffer>();
_psConstantBuffers = new Dictionary <int, GorgonConstantBuffer>();
// Only store the constant buffers that we were using.
// We need to store all the constant buffers because the effects
// make use of multiple constant slots. Unlike the resource views,
// where we know that we're only using the first item (all bets are
// off if a user decides to use another resource view slot), there's no
// guarantee that we'll be only using 1 or 2 constant buffer slots.
for (int i = 0; i < _graphics.Shaders.VertexShader.ConstantBuffers.Count; i++)
{
if (_graphics.Shaders.VertexShader.ConstantBuffers[i] != null)
{
_vsConstantBuffers[i] = _graphics.Shaders.VertexShader.ConstantBuffers[i];
}
}
for (int i = 0; i < _graphics.Shaders.PixelShader.ConstantBuffers.Count; i++)
{
if (_graphics.Shaders.PixelShader.ConstantBuffers[i] != null)
{
_psConstantBuffers[i] = _graphics.Shaders.PixelShader.ConstantBuffers[i];
}
}
}
/// <summary>
/// Function to set up the renderers initial state.
/// </summary>
private void SetDefaultStates()
{
// Add shader includes if they're gone.
if (!Graphics.Shaders.IncludeFiles.Contains("Gorgon2DShaders"))
{
Graphics.Shaders.IncludeFiles.Add("Gorgon2DShaders", Encoding.UTF8.GetString(Resources.BasicSprite));
}
// Record the initial state before set up.
if (_initialState == null)
{
_initialState = new Gorgon2DStateRecall(this);
}
// Reset the cache values.
_cache.Reset();
// Set our default shaders.
VertexShader.Current = VertexShader.DefaultVertexShader;
PixelShader.Current = PixelShader.DefaultPixelShaderDiffuse;
Graphics.Input.IndexBuffer = DefaultIndexBuffer;
Graphics.Input.VertexBuffers[0] = DefaultVertexBufferBinding;
Graphics.Input.Layout = DefaultLayout;
Graphics.Input.PrimitiveType = PrimitiveType.TriangleList;
IsMultisamplingEnabled = Graphics.Rasterizer.States.IsMultisamplingEnabled;
if (PixelShader != null)
{
GorgonTextureSamplerStates sampler = GorgonTextureSamplerStates.LinearFilter;
sampler.TextureFilter = TextureFilter.Point;
Graphics.Shaders.PixelShader.TextureSamplers[0] = sampler;
Graphics.Shaders.PixelShader.Resources[0] = null;
}
Graphics.Rasterizer.States = GorgonRasterizerStates.CullBackFace;
Graphics.Output.BlendingState.States = GorgonBlendStates.DefaultStates;
Graphics.Output.DepthStencilState.States = GorgonDepthStencilStates.NoDepthStencil;
Graphics.Output.DepthStencilState.StencilReference = 0;
Graphics.Output.SetRenderTarget(_defaultTarget.Target, _defaultTarget.DepthStencil);
_currentTarget = _defaultTarget;
UpdateTarget(ref _currentTarget);
DefaultCamera.Update();
// Get the current state.
DefaultState = new Gorgon2DStateRecall(this);
// By default, turn on multi sampling over a count of 1.
if (Target.Resource.ResourceType != ResourceType.Texture2D)
{
return;
}
var target2D = (GorgonRenderTarget2D)Target.Resource;
if ((!IsMultisamplingEnabled) &&
((target2D.Settings.Multisampling.Count > 1) || (target2D.Settings.Multisampling.Quality > 0)) &&
((Graphics.VideoDevice.SupportedFeatureLevel == DeviceFeatureLevel.SM4_1) ||
(Graphics.VideoDevice.SupportedFeatureLevel == DeviceFeatureLevel.SM5)))
{
_multiSampleEnable = true;
}
}