Function getDefaultLimitsForCTS

  • The CTS is generally designed to run in a single feature level. Use this function get the default limits for the CTS's feature level This is needed if you can not use the device limits as you have not yet created a device. An adapter can not tell you if it supports compatibility mode. The only way to know is to request a device without core-features-and-limits. If the device you get back doesn't have core-features-and-limits then it's a compatibility device.

    Returns {
        maxBindGroups: {
            class: "maximum";
            default: 4;
            maximumValue: 4;
        };
        maxBindGroupsPlusVertexBuffers: {
            class: "maximum";
            default: 24;
            maximumValue: 24;
        };
        maxBindingsPerBindGroup: {
            class: "maximum";
            default: 1000;
            maximumValue: 1000;
        };
        maxBufferSize: {
            class: "maximum";
            default: 268435456;
            maximumValue: 268435456;
        };
        maxColorAttachmentBytesPerSample: {
            class: "maximum";
            default: 32;
            maximumValue: 32;
        };
        maxColorAttachments: {
            class: "maximum";
            default: 8;
            maximumValue: 4;
        };
        maxComputeInvocationsPerWorkgroup: {
            class: "maximum";
            default: 256;
            maximumValue: 128;
        };
        maxComputeWorkgroupSizeX: {
            class: "maximum";
            default: 256;
            maximumValue: 128;
        };
        maxComputeWorkgroupSizeY: {
            class: "maximum";
            default: 256;
            maximumValue: 128;
        };
        maxComputeWorkgroupSizeZ: {
            class: "maximum";
            default: 64;
            maximumValue: 64;
        };
        maxComputeWorkgroupStorageSize: {
            class: "maximum";
            default: 16384;
            maximumValue: 16384;
        };
        maxComputeWorkgroupsPerDimension: {
            class: "maximum";
            default: 65535;
            maximumValue: 65535;
        };
        maxDynamicStorageBuffersPerPipelineLayout: {
            class: "maximum";
            default: 4;
            maximumValue: 4;
        };
        maxDynamicUniformBuffersPerPipelineLayout: {
            class: "maximum";
            default: 8;
            maximumValue: 8;
        };
        maxInterStageShaderVariables: {
            class: "maximum";
            default: 16;
            maximumValue: 15;
        };
        maxSampledTexturesPerShaderStage: {
            class: "maximum";
            default: 16;
            maximumValue: 16;
        };
        maxSamplersPerShaderStage: {
            class: "maximum";
            default: 16;
            maximumValue: 16;
        };
        maxStorageBufferBindingSize: {
            class: "maximum";
            default: 134217728;
            maximumValue: 134217728;
        };
        maxStorageBuffersInFragmentStage: {
            class: "maximum";
            default: 8;
            maximumValue: 4;
        };
        maxStorageBuffersInVertexStage: {
            class: "maximum";
            default: 8;
            maximumValue: 0;
        };
        maxStorageBuffersPerShaderStage: {
            class: "maximum";
            default: 8;
            maximumValue: 8;
        };
        maxStorageTexturesInFragmentStage: {
            class: "maximum";
            default: 4;
            maximumValue: 4;
        };
        maxStorageTexturesInVertexStage: {
            class: "maximum";
            default: 4;
            maximumValue: 0;
        };
        maxStorageTexturesPerShaderStage: {
            class: "maximum";
            default: 4;
            maximumValue: 4;
        };
        maxTextureArrayLayers: {
            class: "maximum";
            default: 256;
            maximumValue: 256;
        };
        maxTextureDimension1D: {
            class: "maximum";
            default: 8192;
            maximumValue: 4096;
        };
        maxTextureDimension2D: {
            class: "maximum";
            default: 8192;
            maximumValue: 4096;
        };
        maxTextureDimension3D: {
            class: "maximum";
            default: 2048;
            maximumValue: 1024;
        };
        maxUniformBufferBindingSize: {
            class: "maximum";
            default: 65536;
            maximumValue: 16384;
        };
        maxUniformBuffersPerShaderStage: {
            class: "maximum";
            default: 12;
            maximumValue: 12;
        };
        maxVertexAttributes: {
            class: "maximum";
            default: 16;
            maximumValue: 16;
        };
        maxVertexBufferArrayStride: {
            class: "maximum";
            default: 2048;
            maximumValue: 2048;
        };
        maxVertexBuffers: {
            class: "maximum";
            default: 8;
            maximumValue: 8;
        };
        minStorageBufferOffsetAlignment: {
            class: "alignment";
            default: 256;
            maximumValue: 256;
        };
        minUniformBufferOffsetAlignment: {
            class: "alignment";
            default: 256;
            maximumValue: 256;
        };
    }

    • Readonly maxBindGroups: {
          class: "maximum";
          default: 4;
          maximumValue: 4;
      }
      • class: "maximum"
      • default: 4
      • maximumValue: 4
    • Readonly maxBindGroupsPlusVertexBuffers: {
          class: "maximum";
          default: 24;
          maximumValue: 24;
      }
      • class: "maximum"
      • default: 24
      • maximumValue: 24
    • Readonly maxBindingsPerBindGroup: {
          class: "maximum";
          default: 1000;
          maximumValue: 1000;
      }
      • class: "maximum"
      • default: 1000
      • maximumValue: 1000
    • Readonly maxBufferSize: {
          class: "maximum";
          default: 268435456;
          maximumValue: 268435456;
      }
      • class: "maximum"
      • default: 268435456
      • maximumValue: 268435456
    • Readonly maxColorAttachmentBytesPerSample: {
          class: "maximum";
          default: 32;
          maximumValue: 32;
      }
      • class: "maximum"
      • default: 32
      • maximumValue: 32
    • Readonly maxColorAttachments: {
          class: "maximum";
          default: 8;
          maximumValue: 4;
      }
      • class: "maximum"
      • default: 8
      • maximumValue: 4
    • Readonly maxComputeInvocationsPerWorkgroup: {
          class: "maximum";
          default: 256;
          maximumValue: 128;
      }
      • class: "maximum"
      • default: 256
      • maximumValue: 128
    • Readonly maxComputeWorkgroupSizeX: {
          class: "maximum";
          default: 256;
          maximumValue: 128;
      }
      • class: "maximum"
      • default: 256
      • maximumValue: 128
    • Readonly maxComputeWorkgroupSizeY: {
          class: "maximum";
          default: 256;
          maximumValue: 128;
      }
      • class: "maximum"
      • default: 256
      • maximumValue: 128
    • Readonly maxComputeWorkgroupSizeZ: {
          class: "maximum";
          default: 64;
          maximumValue: 64;
      }
      • class: "maximum"
      • default: 64
      • maximumValue: 64
    • Readonly maxComputeWorkgroupStorageSize: {
          class: "maximum";
          default: 16384;
          maximumValue: 16384;
      }
      • class: "maximum"
      • default: 16384
      • maximumValue: 16384
    • Readonly maxComputeWorkgroupsPerDimension: {
          class: "maximum";
          default: 65535;
          maximumValue: 65535;
      }
      • class: "maximum"
      • default: 65535
      • maximumValue: 65535
    • Readonly maxDynamicStorageBuffersPerPipelineLayout: {
          class: "maximum";
          default: 4;
          maximumValue: 4;
      }
      • class: "maximum"
      • default: 4
      • maximumValue: 4
    • Readonly maxDynamicUniformBuffersPerPipelineLayout: {
          class: "maximum";
          default: 8;
          maximumValue: 8;
      }
      • class: "maximum"
      • default: 8
      • maximumValue: 8
    • Readonly maxInterStageShaderVariables: {
          class: "maximum";
          default: 16;
          maximumValue: 15;
      }
      • class: "maximum"
      • default: 16
      • maximumValue: 15
    • Readonly maxSampledTexturesPerShaderStage: {
          class: "maximum";
          default: 16;
          maximumValue: 16;
      }
      • class: "maximum"
      • default: 16
      • maximumValue: 16
    • Readonly maxSamplersPerShaderStage: {
          class: "maximum";
          default: 16;
          maximumValue: 16;
      }
      • class: "maximum"
      • default: 16
      • maximumValue: 16
    • Readonly maxStorageBufferBindingSize: {
          class: "maximum";
          default: 134217728;
          maximumValue: 134217728;
      }
      • class: "maximum"
      • default: 134217728
      • maximumValue: 134217728
    • Readonly maxStorageBuffersInFragmentStage: {
          class: "maximum";
          default: 8;
          maximumValue: 4;
      }
      • class: "maximum"
      • default: 8
      • maximumValue: 4
    • Readonly maxStorageBuffersInVertexStage: {
          class: "maximum";
          default: 8;
          maximumValue: 0;
      }
      • class: "maximum"
      • default: 8
      • maximumValue: 0
    • Readonly maxStorageBuffersPerShaderStage: {
          class: "maximum";
          default: 8;
          maximumValue: 8;
      }
      • class: "maximum"
      • default: 8
      • maximumValue: 8
    • Readonly maxStorageTexturesInFragmentStage: {
          class: "maximum";
          default: 4;
          maximumValue: 4;
      }
      • class: "maximum"
      • default: 4
      • maximumValue: 4
    • Readonly maxStorageTexturesInVertexStage: {
          class: "maximum";
          default: 4;
          maximumValue: 0;
      }
      • class: "maximum"
      • default: 4
      • maximumValue: 0
    • Readonly maxStorageTexturesPerShaderStage: {
          class: "maximum";
          default: 4;
          maximumValue: 4;
      }
      • class: "maximum"
      • default: 4
      • maximumValue: 4
    • Readonly maxTextureArrayLayers: {
          class: "maximum";
          default: 256;
          maximumValue: 256;
      }
      • class: "maximum"
      • default: 256
      • maximumValue: 256
    • Readonly maxTextureDimension1D: {
          class: "maximum";
          default: 8192;
          maximumValue: 4096;
      }
      • class: "maximum"
      • default: 8192
      • maximumValue: 4096
    • Readonly maxTextureDimension2D: {
          class: "maximum";
          default: 8192;
          maximumValue: 4096;
      }
      • class: "maximum"
      • default: 8192
      • maximumValue: 4096
    • Readonly maxTextureDimension3D: {
          class: "maximum";
          default: 2048;
          maximumValue: 1024;
      }
      • class: "maximum"
      • default: 2048
      • maximumValue: 1024
    • Readonly maxUniformBufferBindingSize: {
          class: "maximum";
          default: 65536;
          maximumValue: 16384;
      }
      • class: "maximum"
      • default: 65536
      • maximumValue: 16384
    • Readonly maxUniformBuffersPerShaderStage: {
          class: "maximum";
          default: 12;
          maximumValue: 12;
      }
      • class: "maximum"
      • default: 12
      • maximumValue: 12
    • Readonly maxVertexAttributes: {
          class: "maximum";
          default: 16;
          maximumValue: 16;
      }
      • class: "maximum"
      • default: 16
      • maximumValue: 16
    • Readonly maxVertexBufferArrayStride: {
          class: "maximum";
          default: 2048;
          maximumValue: 2048;
      }
      • class: "maximum"
      • default: 2048
      • maximumValue: 2048
    • Readonly maxVertexBuffers: {
          class: "maximum";
          default: 8;
          maximumValue: 8;
      }
      • class: "maximum"
      • default: 8
      • maximumValue: 8
    • Readonly minStorageBufferOffsetAlignment: {
          class: "alignment";
          default: 256;
          maximumValue: 256;
      }
      • class: "alignment"
      • default: 256
      • maximumValue: 256
    • Readonly minUniformBufferOffsetAlignment: {
          class: "alignment";
          default: 256;
          maximumValue: 256;
      }
      • class: "alignment"
      • default: 256
      • maximumValue: 256

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