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codingstyle/MTLBlitCommandEncoder.m

Created January 24, 2017 07:49
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Metal texture copy and mipmap generation
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MTLBlitCommandEncoder.m
id<MTLBlitCommandEncoder> blit = [currentCommandBuffer blitCommandEncoder];
[blit copyFromTexture:internalTexture sourceSlice:0 sourceLevel:0 sourceOrigin:MTLOriginMake(0, 0, 0) sourceSize:region.size toTexture:externalTexture destinationSlice:0 destinationLevel:0 destinationOrigin:MTLOriginMake(0, 0, 0)];
[blit generateMipmapsForTexture:externalTexture];
[blit endEncoding];
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