public MeshRenderer(Graphics g, Texture2D tex, string vertexShader, string fragmentShader, int maxInstances = 1024, int maxUniqueMeshes = 8)
{
MaxInstances = maxInstances;
MaxUniqueMeshes = maxUniqueMeshes;
Graphics = g;
Texture = tex;
Instances = new VKBuffer[maxUniqueMeshes];
Count = new int[maxUniqueMeshes];
Meshes = new Mesh[maxUniqueMeshes];
for (var i = 0; i < maxUniqueMeshes; i++)
{
Instances[i] = VKBuffer.InstanceInfo <MeshRenderInfo>(g, maxInstances);
}
TempInstances = new MeshInfo[maxInstances];
InstanceCopyBuffer = new MeshRenderInfo[maxInstances];
UProjection = VKBuffer.UniformBuffer <ViewProjection>(g, 1);
UTime = VKBuffer.UniformBuffer <float>(g, 1);
Pipeline = new PipelineController(Graphics);
Pipeline.ClearDepthOnBeginPass = true;
Pipeline.DepthTest = false;
Pipeline.DepthWrite = false;
Pipeline.BlendMode = BlendMode.AlphaPremultiplied;
Pipeline.Instancing = true;
Pipeline.InstanceInfoType = typeof(MeshRenderInfo);
Pipeline.Shaders = new[] { vertexShader, fragmentShader };
Pipeline.DescriptorItems = new[] {
DescriptorItem.UniformBuffer(DescriptorItem.ShaderType.Vertex, UProjection),
DescriptorItem.UniformBuffer(DescriptorItem.ShaderType.Vertex, UTime),
DescriptorItem.CombinedImageSampler(DescriptorItem.ShaderType.Fragment, tex, DescriptorItem.SamplerFilter.Nearest, DescriptorItem.SamplerFilter.Nearest)
};
}
public static DescriptorItem UniformBuffer(ShaderType shaderType, VKBuffer buffer)
{
var item = new DescriptorItem();
item.Type = DescriptorType.UniformBuffer;
item.Shader = shaderType;
item.Buffer = buffer;
return(item);
}
public static DescriptorItem CombinedImageSampler(ShaderType shaderType, Texture2D texture, SamplerFilter minFilter, SamplerFilter magFilter, SamplerFilter mipmapFilter = SamplerFilter.Nearest)
{
var item = new DescriptorItem();
item.Type = DescriptorType.CombinedImageSampler;
item.Shader = shaderType;
item.Texture = texture;
item.Sampler = VKHelper.CreateSampler(
texture.Context,
minFilter == SamplerFilter.Nearest ? Filter.Nearest :
minFilter == SamplerFilter.Cubic ? Filter.CubicImg :
Filter.Linear,
magFilter == SamplerFilter.Nearest ? Filter.Nearest :
magFilter == SamplerFilter.Cubic ? Filter.CubicImg :
Filter.Linear,
mipmapFilter == SamplerFilter.Linear ? SamplerMipmapMode.Linear :
SamplerMipmapMode.Nearest
);
return(item);
}