Updated SIMD implementation
This commit is contained in:
Christophe Riccio
parent
86328415fa
commit
c2792febb2
@ -122,6 +122,218 @@ namespace glm
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detail::tvec4<float> vec4_cast(
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detail::fvec4SIMD const & x);
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//! Returns x if x >= 0; otherwise, it returns -x.
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//! (From GLM_GTX_simd_vec4 extension, common function)
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detail::fvec4SIMD abs(detail::fvec4SIMD const & x);
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//! Returns 1.0 if x > 0, 0.0 if x = 0, or -1.0 if x < 0.
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//! (From GLM_GTX_simd_vec4 extension, common function)
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detail::fvec4SIMD sign(detail::fvec4SIMD const & x);
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//! Returns a value equal to the nearest integer that is less then or equal to x.
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//! (From GLM_GTX_simd_vec4 extension, common function)
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detail::fvec4SIMD floor(detail::fvec4SIMD const & x);
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//! Returns a value equal to the nearest integer to x
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//! whose absolute value is not larger than the absolute value of x.
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//! (From GLM_GTX_simd_vec4 extension, common function)
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detail::fvec4SIMD trunc(detail::fvec4SIMD const & x);
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//! Returns a value equal to the nearest integer to x.
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//! The fraction 0.5 will round in a direction chosen by the
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//! implementation, presumably the direction that is fastest.
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//! This includes the possibility that round(x) returns the
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//! same value as roundEven(x) for all values of x.
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//! (From GLM_GTX_simd_vec4 extension, common function)
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detail::fvec4SIMD round(detail::fvec4SIMD const & x);
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//! Returns a value equal to the nearest integer to x.
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//! A fractional part of 0.5 will round toward the nearest even
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//! integer. (Both 3.5 and 4.5 for x will return 4.0.)
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//! (From GLM_GTX_simd_vec4 extension, common function)
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//detail::fvec4SIMD roundEven(detail::fvec4SIMD const & x);
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//! Returns a value equal to the nearest integer
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//! that is greater than or equal to x.
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//! (From GLM_GTX_simd_vec4 extension, common function)
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detail::fvec4SIMD ceil(detail::fvec4SIMD const & x);
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//! Return x - floor(x).
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//! (From GLM_GTX_simd_vec4 extension, common function)
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detail::fvec4SIMD fract(detail::fvec4SIMD const & x);
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//! Modulus. Returns x - y * floor(x / y)
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//! for each component in x using the floating point value y.
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//! (From GLM_GTX_simd_vec4 extension, common function)
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detail::fvec4SIMD mod(
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detail::fvec4SIMD const & x,
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detail::fvec4SIMD const & y);
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//! Modulus. Returns x - y * floor(x / y)
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//! for each component in x using the floating point value y.
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//! (From GLM_GTX_simd_vec4 extension, common function)
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detail::fvec4SIMD mod(
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detail::fvec4SIMD const & x,
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float const & y);
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//! Returns the fractional part of x and sets i to the integer
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//! part (as a whole number floating point value). Both the
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//! return value and the output parameter will have the same
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//! sign as x.
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//! (From GLM_GTX_simd_vec4 extension, common function)
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//detail::fvec4SIMD modf(
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// detail::fvec4SIMD const & x,
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// detail::fvec4SIMD & i);
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//! Returns y if y < x; otherwise, it returns x.
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//! (From GLM_GTX_simd_vec4 extension, common function)
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detail::fvec4SIMD min(
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detail::fvec4SIMD const & x,
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detail::fvec4SIMD const & y);
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detail::fvec4SIMD min(
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detail::fvec4SIMD const & x,
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float const & y);
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//! Returns y if x < y; otherwise, it returns x.
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//! (From GLM_GTX_simd_vec4 extension, common function)
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detail::fvec4SIMD max(
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detail::fvec4SIMD const & x,
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detail::fvec4SIMD const & y);
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detail::fvec4SIMD max(
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detail::fvec4SIMD const & x,
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float const & y);
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//! Returns min(max(x, minVal), maxVal) for each component in x
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//! using the floating-point values minVal and maxVal.
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//! (From GLM_GTX_simd_vec4 extension, common function)
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detail::fvec4SIMD clamp(
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detail::fvec4SIMD const & x,
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detail::fvec4SIMD const & minVal,
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detail::fvec4SIMD const & maxVal);
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detail::fvec4SIMD clamp(
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detail::fvec4SIMD const & x,
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float const & minVal,
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float const & maxVal);
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//! \return If genTypeU is a floating scalar or vector:
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//! Returns x * (1.0 - a) + y * a, i.e., the linear blend of
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//! x and y using the floating-point value a.
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//! The value for a is not restricted to the range [0, 1].
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//!
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//! \return If genTypeU is a boolean scalar or vector:
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//! Selects which vector each returned component comes
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//! from. For a component of a that is false, the
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//! corresponding component of x is returned. For a
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//! component of a that is true, the corresponding
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//! component of y is returned. Components of x and y that
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//! are not selected are allowed to be invalid floating point
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//! values and will have no effect on the results. Thus, this
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//! provides different functionality than
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//! genType mix(genType x, genType y, genType(a))
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//! where a is a Boolean vector.
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//!
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//! From GLSL 1.30.08 specification, section 8.3
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//!
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//! \param[in] x Floating point scalar or vector.
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//! \param[in] y Floating point scalar or vector.
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//! \param[in] a Floating point or boolean scalar or vector.
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//!
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// \todo Test when 'a' is a boolean.
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//! (From GLM_GTX_simd_vec4 extension, common function)
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detail::fvec4SIMD mix(
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detail::fvec4SIMD const & x,
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detail::fvec4SIMD const & y,
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detail::fvec4SIMD const & a);
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//! Returns 0.0 if x < edge, otherwise it returns 1.0.
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//! (From GLM_GTX_simd_vec4 extension, common function)
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detail::fvec4SIMD step(
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detail::fvec4SIMD const & edge,
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detail::fvec4SIMD const & x);
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detail::fvec4SIMD step(
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float const & edge,
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detail::fvec4SIMD const & x);
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//! Returns 0.0 if x <= edge0 and 1.0 if x >= edge1 and
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//! performs smooth Hermite interpolation between 0 and 1
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//! when edge0 < x < edge1. This is useful in cases where
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//! you would want a threshold function with a smooth
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//! transition. This is equivalent to:
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//! genType t;
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//! t = clamp ((x – edge0) / (edge1 – edge0), 0, 1);
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//! return t * t * (3 – 2 * t);
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//! Results are undefined if edge0 >= edge1.
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//! (From GLM_GTX_simd_vec4 extension, common function)
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detail::fvec4SIMD smoothstep(
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detail::fvec4SIMD const & edge0,
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detail::fvec4SIMD const & edge1,
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detail::fvec4SIMD const & x);
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detail::fvec4SIMD smoothstep(
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float const & edge0,
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float const & edge1,
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detail::fvec4SIMD const & x);
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//! Returns true if x holds a NaN (not a number)
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//! representation in the underlying implementation's set of
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//! floating point representations. Returns false otherwise,
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//! including for implementations with no NaN
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//! representations.
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//! (From GLM_GTX_simd_vec4 extension, common function)
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//bvec4 isnan(detail::fvec4SIMD const & x);
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//! Returns true if x holds a positive infinity or negative
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//! infinity representation in the underlying implementation's
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//! set of floating point representations. Returns false
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//! otherwise, including for implementations with no infinity
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//! representations.
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//! (From GLM_GTX_simd_vec4 extension, common function)
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//bvec4 isinf(detail::fvec4SIMD const & x);
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//! Returns a signed or unsigned integer value representing
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//! the encoding of a floating-point value. The floatingpoint
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//! value's bit-level representation is preserved.
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//! (From GLM_GTX_simd_vec4 extension, common function)
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//detail::ivec4SIMD floatBitsToInt(detail::fvec4SIMD const & value);
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//! Returns a floating-point value corresponding to a signed
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//! or unsigned integer encoding of a floating-point value.
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//! If an inf or NaN is passed in, it will not signal, and the
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//! resulting floating point value is unspecified. Otherwise,
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//! the bit-level representation is preserved.
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//! (From GLM_GTX_simd_vec4 extension, common function)
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//detail::fvec4SIMD intBitsToFloat(detail::ivec4SIMD const & value);
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//! Computes and returns a * b + c.
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//! (From GLM_GTX_simd_vec4 extension, common function)
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detail::fvec4SIMD fma(
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detail::fvec4SIMD const & a,
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detail::fvec4SIMD const & b,
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detail::fvec4SIMD const & c);
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//! Splits x into a floating-point significand in the range
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//! [0.5, 1.0) and an integral exponent of two, such that:
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//! x = significand * exp(2, exponent)
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//! The significand is returned by the function and the
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//! exponent is returned in the parameter exp. For a
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//! floating-point value of zero, the significant and exponent
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//! are both zero. For a floating-point value that is an
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//! infinity or is not a number, the results are undefined.
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//! (From GLM_GTX_simd_vec4 extension, common function)
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//detail::fvec4SIMD frexp(detail::fvec4SIMD const & x, detail::ivec4SIMD & exp);
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//! Builds a floating-point number from x and the
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//! corresponding integral exponent of two in exp, returning:
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//! significand * exp(2, exponent)
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//! If this product is too large to be represented in the
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//! floating-point type, the result is undefined.
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//! (From GLM_GTX_simd_vec4 extension, common function)
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//detail::fvec4SIMD ldexp(detail::fvec4SIMD const & x, detail::ivec4SIMD const & exp);
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//! Returns the length of x, i.e., sqrt(x * x).
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//! (From GLM_GTX_simd_vec4 extension, geometry functions)
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float simdLength(
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@ -280,6 +280,241 @@ namespace glm
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return Result;
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}
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detail::fvec4SIMD abs
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(
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detail::fvec4SIMD const & x
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)
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{
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return detail::sse_abs_ps(x.Data);
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}
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inline detail::fvec4SIMD sign
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(
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detail::fvec4SIMD const & x
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)
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{
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return detail::sse_sgn_ps(x.Data);
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}
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inline detail::fvec4SIMD floor
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(
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detail::fvec4SIMD const & x
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)
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{
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return detail::sse_flr_ps(x.Data);
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}
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inline detail::fvec4SIMD trunc
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(
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detail::fvec4SIMD const & x
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)
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{
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return detail::sse_flr_ps(detail::sse_abs_ps(x.Data));
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}
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inline detail::fvec4SIMD round
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(
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detail::fvec4SIMD const & x
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)
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{
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return detail::sse_rnd_ps(x.Data);
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}
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//inline detail::fvec4SIMD roundEven
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//(
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// detail::fvec4SIMD const & x
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//)
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//{
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//}
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inline detail::fvec4SIMD ceil
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(
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detail::fvec4SIMD const & x
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)
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{
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return detail::sse_ceil_ps(x.Data);
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}
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inline detail::fvec4SIMD fract
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(
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detail::fvec4SIMD const & x
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)
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{
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return detail::sse_frc_ps(x.Data);
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}
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inline detail::fvec4SIMD mod
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(
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detail::fvec4SIMD const & x,
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detail::fvec4SIMD const & y
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)
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{
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return detail::sse_mod_ps(x.Data, y.Data);
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}
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inline detail::fvec4SIMD mod
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(
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detail::fvec4SIMD const & x,
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float const & y
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)
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{
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return detail::sse_mod_ps(x.Data, _mm_set1_ps(y));
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}
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//inline detail::fvec4SIMD modf
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//(
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// detail::fvec4SIMD const & x,
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// detail::fvec4SIMD & i
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//)
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//{
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//}
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inline detail::fvec4SIMD min
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(
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detail::fvec4SIMD const & x,
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detail::fvec4SIMD const & y
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)
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{
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return _mm_min_ps(x.Data, y.Data);
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}
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inline detail::fvec4SIMD min
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(
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detail::fvec4SIMD const & x,
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float const & y
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)
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{
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return _mm_min_ps(x.Data, _mm_set1_ps(y));
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}
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inline detail::fvec4SIMD max
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(
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detail::fvec4SIMD const & x,
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detail::fvec4SIMD const & y
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)
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{
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return _mm_max_ps(x.Data, y.Data);
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}
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inline detail::fvec4SIMD max
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(
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detail::fvec4SIMD const & x,
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float const & y
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)
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{
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return _mm_max_ps(x.Data, _mm_set1_ps(y));
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}
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inline detail::fvec4SIMD clamp
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(
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detail::fvec4SIMD const & x,
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detail::fvec4SIMD const & minVal,
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detail::fvec4SIMD const & maxVal
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)
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{
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return detail::sse_clp_ps(x.Data, minVal.Data, maxVal.Data);
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}
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inline detail::fvec4SIMD clamp
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(
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detail::fvec4SIMD const & x,
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float const & minVal,
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float const & maxVal
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)
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{
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return detail::sse_clp_ps(x.Data, _mm_set1_ps(minVal), _mm_set1_ps(maxVal));
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}
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inline detail::fvec4SIMD mix
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(
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detail::fvec4SIMD const & x,
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detail::fvec4SIMD const & y,
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detail::fvec4SIMD const & a
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)
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{
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__m128 Sub0 = _mm_sub_ps(y.Data, x.Data);
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__m128 Mul0 = _mm_mul_ps(a.Data, Sub0);
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return _mm_mul_ps(x.Data, Mul0);
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}
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inline detail::fvec4SIMD step
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(
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detail::fvec4SIMD const & edge,
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detail::fvec4SIMD const & x
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)
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{
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__m128 cmp0 = _mm_cmpngt_ps(x.Data, edge.Data);
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return _mm_max_ps(_mm_min_ps(cmp0, _mm_setzero_ps()), detail::one);
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}
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inline detail::fvec4SIMD step
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(
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float const & edge,
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detail::fvec4SIMD const & x
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)
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{
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__m128 cmp0 = _mm_cmpngt_ps(x.Data, _mm_set1_ps(edge));
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return _mm_max_ps(_mm_min_ps(cmp0, _mm_setzero_ps()), detail::one);
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}
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inline detail::fvec4SIMD smoothstep
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(
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detail::fvec4SIMD const & edge0,
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detail::fvec4SIMD const & edge1,
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detail::fvec4SIMD const & x
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)
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{
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return detail::sse_ssp_ps(edge0.Data, edge1.Data, x.Data);
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}
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inline detail::fvec4SIMD smoothstep
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(
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float const & edge0,
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float const & edge1,
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detail::fvec4SIMD const & x
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)
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{
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return detail::sse_ssp_ps(_mm_set1_ps(edge0), _mm_set1_ps(edge1), x.Data);
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}
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//inline bvec4 isnan(detail::fvec4SIMD const & x)
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//{
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//}
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//inline bvec4 isinf(detail::fvec4SIMD const & x)
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//{
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//}
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//inline detail::ivec4SIMD floatBitsToInt
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//(
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// detail::fvec4SIMD const & value
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//)
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//{
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//}
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//inline detail::fvec4SIMD intBitsToFloat
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//(
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// detail::ivec4SIMD const & value
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//)
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//{
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//}
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inline detail::fvec4SIMD fma
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(
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detail::fvec4SIMD const & a,
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detail::fvec4SIMD const & b,
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detail::fvec4SIMD const & c
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)
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{
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return _mm_add_ps(_mm_mul_ps(a.Data, b.Data), c.Data);
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}
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inline float simdLength
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(
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detail::fvec4SIMD const & x
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