GPUFeatures

Optional GPU capabilities. Returned by context:features().

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Fields

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bc

BC (S3TC/DXT) compressed texture formats supported.

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etc2

ETC2 compressed texture formats supported (common on mobile).

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astc

ASTC compressed texture formats supported.

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maxTextureSize2D

Maximum 2-D texture width or height in texels.

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maxTextureSizeCube

Maximum cube-map face size in texels.

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maxTextureSize3D

Maximum 3-D texture depth / layer count.

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anisotropicFiltering

Anisotropic texture filtering supported.

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texture3D

3-D textures supported.

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textureArrays

Texture arrays supported.

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colorBufferFloat

32-bit float color render targets supported (rgba32float etc).

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colorBufferHalfFloat

16-bit float color render targets supported (rgba16float etc). Implied by colorBufferFloat, but can be present without it on WebGL.

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perTargetBlend

Independent blend state per color attachment supported.

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perTargetWriteMask

Independent write mask per color attachment supported.

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drawBaseInstance

Non-zero firstInstance in draw calls supported.

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depthBiasClamp

Depth bias clamping (depthBiasClamp) supported in pipeline state.

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maxColorAttachments

Maximum number of simultaneous color attachments.

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maxUniformBufferSize

Maximum uniform buffer binding size in bytes.

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maxSamplers

Maximum number of samplers per shader stage.

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maxSamples

Maximum MSAA sample count for color render targets (always a power-of-two: 1, 2, 4, or 8).