Ejemplo n.º 1
0
        /// <summary>
        /// Creates a new instance of the cached sampler.
        /// </summary>
        /// <param name="context">The GPU context the sampler belongs to</param>
        /// <param name="descriptor">The Maxwell sampler descriptor</param>
        public Sampler(GpuContext context, SamplerDescriptor descriptor)
        {
            MinFilter minFilter = descriptor.UnpackMinFilter();
            MagFilter magFilter = descriptor.UnpackMagFilter();

            bool seamlessCubemap = descriptor.UnpackSeamlessCubemap();

            AddressMode addressU = descriptor.UnpackAddressU();
            AddressMode addressV = descriptor.UnpackAddressV();
            AddressMode addressP = descriptor.UnpackAddressP();

            CompareMode compareMode = descriptor.UnpackCompareMode();
            CompareOp   compareOp   = descriptor.UnpackCompareOp();

            ColorF color = new ColorF(
                descriptor.BorderColorR,
                descriptor.BorderColorG,
                descriptor.BorderColorB,
                descriptor.BorderColorA);

            float minLod     = descriptor.UnpackMinLod();
            float maxLod     = descriptor.UnpackMaxLod();
            float mipLodBias = descriptor.UnpackMipLodBias();

            float maxRequestedAnisotropy = GraphicsConfig.MaxAnisotropy >= 0 && GraphicsConfig.MaxAnisotropy <= 16 ? GraphicsConfig.MaxAnisotropy : descriptor.UnpackMaxAnisotropy();
            float maxSupportedAnisotropy = context.Capabilities.MaximumSupportedAnisotropy;

            if (maxRequestedAnisotropy > maxSupportedAnisotropy)
            {
                maxRequestedAnisotropy = maxSupportedAnisotropy;
            }

            HostSampler = context.Renderer.CreateSampler(new SamplerCreateInfo(
                                                             minFilter,
                                                             magFilter,
                                                             seamlessCubemap,
                                                             addressU,
                                                             addressV,
                                                             addressP,
                                                             compareMode,
                                                             compareOp,
                                                             color,
                                                             minLod,
                                                             maxLod,
                                                             mipLodBias,
                                                             maxRequestedAnisotropy));
        }
Ejemplo n.º 2
0
        /// <summary>
        /// Creates a new instance of the cached sampler.
        /// </summary>
        /// <param name="context">The GPU context the sampler belongs to</param>
        /// <param name="descriptor">The Maxwell sampler descriptor</param>
        public Sampler(GpuContext context, SamplerDescriptor descriptor)
        {
            MinFilter minFilter = descriptor.UnpackMinFilter();
            MagFilter magFilter = descriptor.UnpackMagFilter();

            AddressMode addressU = descriptor.UnpackAddressU();
            AddressMode addressV = descriptor.UnpackAddressV();
            AddressMode addressP = descriptor.UnpackAddressP();

            CompareMode compareMode = descriptor.UnpackCompareMode();
            CompareOp   compareOp   = descriptor.UnpackCompareOp();

            ColorF color = new ColorF(
                descriptor.BorderColorR,
                descriptor.BorderColorG,
                descriptor.BorderColorB,
                descriptor.BorderColorA);

            float minLod     = descriptor.UnpackMinLod();
            float maxLod     = descriptor.UnpackMaxLod();
            float mipLodBias = descriptor.UnpackMipLodBias();

            float maxAnisotropy = descriptor.UnpackMaxAnisotropy();

            HostSampler = context.Renderer.CreateSampler(new SamplerCreateInfo(
                                                             minFilter,
                                                             magFilter,
                                                             addressU,
                                                             addressV,
                                                             addressP,
                                                             compareMode,
                                                             compareOp,
                                                             color,
                                                             minLod,
                                                             maxLod,
                                                             mipLodBias,
                                                             maxAnisotropy));
        }