* Get the index of the most significant bit. Result is undefined when called * with 0. This operation can also be stated as "count leading zeroes"

* \brief Returns true if point resides inside a rectangle. */

* \brief Returns true if the rectangle has no area. */

* \brief Returns true if the two rectangles are equal. */

Note that memset() is a byte assignment and this is a 32-bit assignment, so they're not directly equivalent. */

* Blend Weight Calculation Vertex Shader */

* Color Edge Detection * * IMPORTANT NOTICE: color edge detection requires gamma-corrected colors, and * thus 'colorTex' should be a non-sRGB textu

* Depth Edge Detection */

* Edge Detection Vertex Shader */

* Luma Edge Detection * * IMPORTANT NOTICE: luma edge detection requires gamma-corrected colors, and * thus 'colorTex' should be a non-sRGB texture

* Neighborhood Blending Vertex Shader */