private void CreateResources()
{
ResourceFactory factory = device.ResourceFactory;
vertexBuffer = factory.CreateBuffer(new BufferDescription(MAX_BATCH * PrimitivesInfo.GetSize(typeof(VertexPositionColorTexture)), BufferUsage.VertexBuffer));
indexBuffer = factory.CreateBuffer(new BufferDescription(MAX_BATCH * sizeof(ushort), BufferUsage.IndexBuffer));
worldMatrixBuffer = factory.CreateBuffer(new BufferDescription(64, BufferUsage.UniformBuffer));
var vld = PrimitivesInfo.GetVertexLayoutDescription(typeof(VertexPositionColorTexture));
VertexLayoutDescription vertexLayoutDescription;
if (vld.HasValue)
{
vertexLayoutDescription = vld.Value;
}
else
{
throw new NotSupportedException("VertexLayout for VertexPositionColor not found");
}
LoadShaders();
resourceLayout = factory.CreateResourceLayout(new ResourceLayoutDescription(new ResourceLayoutElementDescription("SpriteTexture", ResourceKind.TextureReadOnly, ShaderStages.Fragment), new ResourceLayoutElementDescription("SpriteSampler", ResourceKind.Sampler, ShaderStages.Fragment)));
worldResourceLayout = factory.CreateResourceLayout(new ResourceLayoutDescription(new ResourceLayoutElementDescription("World", ResourceKind.UniformBuffer, ShaderStages.Vertex)));
worldResourceSet = device.ResourceFactory.CreateResourceSet(new ResourceSetDescription(worldResourceLayout, worldMatrixBuffer));
var description = new GraphicsPipelineDescription
{
BlendState = BlendStateDescription.SingleAlphaBlend,
DepthStencilState = new DepthStencilStateDescription(true, true, ComparisonKind.LessEqual),
RasterizerState = new RasterizerStateDescription(FaceCullMode.None, PolygonFillMode.Solid, FrontFace.Clockwise, true, false),
PrimitiveTopology = PrimitiveTopology.TriangleList,
ResourceLayouts = new[] { worldResourceLayout, resourceLayout },
ShaderSet = new ShaderSetDescription(new VertexLayoutDescription[] { vertexLayoutDescription }, new Veldrid.Shader[] { vertexShader, fragmentShader }),
Outputs = device.SwapchainFramebuffer.OutputDescription
};
pipeline = factory.CreateGraphicsPipeline(description);
commandList = factory.CreateCommandList();
}
public VertexArray(GraphicsDevice device, int capacity, PrimitiveTopology geometryType = PrimitiveTopology.PointList)
{
this.device = device;
factory = device.ResourceFactory;
this.geometryType = geometryType;
this.capacity = (uint)capacity;
var vShader = BuiltinShaderRepository.GetBuiltinShader(typeof(T), ShaderStages.Vertex);
var fShader = BuiltinShaderRepository.GetBuiltinShader(typeof(T), ShaderStages.Fragment);
if (vShader == null || fShader == null)
{
throw new NotSupportedException("Not a supported vertex type");
}
Shaders = new List <Shader>
{
vShader,
fShader
};
uint vertexSize = PrimitivesInfo.GetSize(typeof(T));
if (vertexSize == 0)
{
throw new NotSupportedException("Not a supported vertex type");
}
var vld = PrimitivesInfo.GetVertexLayoutDescription(typeof(T));
if (!vld.HasValue)
{
throw new NotSupportedException("Not a supported vertex type");
}
var resourceLayoutDescription = GetResourceLayoutDescription(typeof(T));
CreateResources(vertexSize, resourceLayoutDescription, vld.Value);
}
