/// <summary>
/// Adds the draw data back, and increments the position
/// </summary>
/// <param name="renderData"></param>
public void AddRenderData(SpriteRenderData renderData)
{
m_drawDataPosition++;
if (m_drawDataPosition >= m_maxSpriteInstances)
{
Flush();
}
}
/// <summary>
/// Creates a new instance of the SpriteRenderer
/// </summary>
/// <param name="device">The device to use</param>
/// <param name="maxSpriteInstances">The maximum sprite instances that can be cached before a flush happens</param>
public SpriteRenderer(Device device, int maxSpriteInstances = 10000)
{
/* Initialize our arrays to hold our sprite data */
m_spriteRenderData = new SpriteRenderData[maxSpriteInstances];
m_spriteDrawData = new SpriteDrawData[maxSpriteInstances];
/* Initialize all the items in the array */
for (int i = 0; i < maxSpriteInstances; i++)
{
m_spriteRenderData[i] = new SpriteRenderData();
}
m_maxSpriteInstances = maxSpriteInstances;
m_device = device;
/* Create our default blend states using our helper */
m_blendStates = SpriteRendererBlendStateHelper.InitializeDefaultBlendStates(m_device);
/* Create our vertex shader */
m_vertexShaderInstanced10 = new VertexShader10(device,
SHADER_RESOURCE_NAME, Assembly.GetExecutingAssembly(),
"SpriteInstancedVS",
ShaderVersion.Vs_4_0);
/* Create our pixel shader */
m_pixelShader10 = new PixelShader10(device,
SHADER_RESOURCE_NAME, Assembly.GetExecutingAssembly(),
"SpritePS",
ShaderVersion.Ps_4_0,ShaderFlags.Debug);
/* Create a new sprite quad that holds our GPU buffers */
m_spriteQuad = new SpriteQuad(device, maxSpriteInstances);
m_spriteQuadShaderBinding = new GeometryInputShaderBinding(m_spriteQuad,
m_vertexShaderInstanced10,
m_pixelShader10);
var rastDesc = new RasterizerStateDescription();
rastDesc.IsAntialiasedLineEnabled = false;
rastDesc.CullMode = CullMode.None;
rastDesc.DepthBias = 0;
rastDesc.DepthBiasClamp = 1.0f;
rastDesc.IsDepthClipEnabled = false;
rastDesc.FillMode = FillMode.Solid;
rastDesc.IsFrontCounterclockwise = false;
rastDesc.IsMultisampleEnabled = false;
rastDesc.IsScissorEnabled = false;
rastDesc.SlopeScaledDepthBias = 0;
m_rasterizerState = RasterizerState.FromDescription(m_device, rastDesc);
var dsDesc = new DepthStencilStateDescription();
dsDesc.IsDepthEnabled = false;
dsDesc.DepthWriteMask = DepthWriteMask.All;
dsDesc.DepthComparison = Comparison.Less;
dsDesc.IsStencilEnabled = false;
dsDesc.StencilReadMask = 0xff;
dsDesc.StencilWriteMask = 0xff;
dsDesc.FrontFace = new DepthStencilOperationDescription{ DepthFailOperation = StencilOperation.Keep, FailOperation = StencilOperation.Replace, Comparison = Comparison.Always };
dsDesc.BackFace = dsDesc.FrontFace;
m_dsState = DepthStencilState.FromDescription(m_device, dsDesc);
var sampDesc = new SamplerDescription();
sampDesc.AddressU = TextureAddressMode.Wrap;
sampDesc.AddressV = TextureAddressMode.Wrap;
sampDesc.AddressW = TextureAddressMode.Wrap;
sampDesc.BorderColor = new Color4(0, 0, 0, 0).InternalColor4;
sampDesc.ComparisonFunction = Comparison.Never;
sampDesc.Filter = Filter.MinMagMipLinear;
sampDesc.MaximumAnisotropy = 1;
sampDesc.MaximumLod = float.MaxValue;
sampDesc.MinimumLod = 0;
sampDesc.MipLodBias = 0;
m_linearSamplerState = SamplerState.FromDescription(m_device, sampDesc);
sampDesc.Filter = Filter.MinMagMipPoint;
m_pointSamplerState = SamplerState.FromDescription(m_device, sampDesc);
}
