Daniel Tralamazza tralamazza

tralamazza / rgb_blend.c

Last active March 27, 2025 18:51 — forked from mattiasgustavsson/rgb_blend.c


	// color1 and color2 are R4G4B4 12bit RGB color values, alpha is 0-255
	uint16_t blend_12bit( uint16_t color1, uint16_t color2, uint8_t alpha ) {
	uint64_t c1 = (uint64_t) color1;
	uint64_t c2 = (uint64_t) color2;
	uint64_t a = (uint64_t)( alpha >> 4 );
	// bit magic to alpha blend R G B with single mul
	c1 = ( c1 \| ( c1 << 12 ) ) & 0x0f0f0f;
	c2 = ( c2 \| ( c2 << 12 ) ) & 0x0f0f0f;
	uint32_t o = ( ( ( ( c2 - c1 ) * a ) >> 4 ) + c1 ) & 0x0f0f0f;

tralamazza / sml.rs

Created October 3, 2023 10:06 — forked from kris-jusiak/sml.rs

	//
	// Copyright (c) 2022 Kris Jusiak (kris at jusiak dot net)
	//
	// Distributed under the Boost Software License, Version 1.0.
	// (See accompanying file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
	//
	//
	// Usage
	// #![feature(specialization)]
	// #![allow(incomplete_features)]

tralamazza / cdc.rb

Last active December 23, 2015 18:29 — forked from corecode/cdc.rb

	class CDCDesc < FunctionDesc
	TypeName = "struct cdc_function_desc"
	FunctionVarName = "cdc_function"

	child_block :cdc

	def initialize
	super()

	@ctrl_iface = interface(:ctrl_iface) {