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((function textureProjGrad
(signature vec4
(parameters
(declare (in) sampler1D sampler)
(declare (in) vec2 P)
(declare (in) float dPdx)
(declare (in) float dPdy) )
((return (txd (var_ref sampler) (swiz x (var_ref P)) (0 0 0) (swiz y (var_ref P)) () ((var_ref dPdx) (var_ref dPdy)) ))))
(signature ivec4
(parameters
(declare (in) isampler1D sampler)
(declare (in) vec2 P)
(declare (in) float dPdx)
(declare (in) float dPdy) )
((return (txd (var_ref sampler) (swiz x (var_ref P)) (0 0 0) (swiz y (var_ref P)) () ((var_ref dPdx) (var_ref dPdy)) ))))
(signature uvec4
(parameters
(declare (in) usampler1D sampler)
(declare (in) vec2 P)
(declare (in) float dPdx)
(declare (in) float dPdy) )
((return (txd (var_ref sampler) (swiz x (var_ref P)) (0 0 0) (swiz y (var_ref P)) () ((var_ref dPdx) (var_ref dPdy)) ))))
(signature vec4
(parameters
(declare (in) sampler1D sampler)
(declare (in) vec4 P)
(declare (in) float dPdx)
(declare (in) float dPdy) )
((return (txd (var_ref sampler) (swiz x (var_ref P)) (0 0 0) (swiz w (var_ref P)) () ((var_ref dPdx) (var_ref dPdy)) ))))
(signature ivec4
(parameters
(declare (in) isampler1D sampler)
(declare (in) vec4 P)
(declare (in) float dPdx)
(declare (in) float dPdy) )
((return (txd (var_ref sampler) (swiz x (var_ref P)) (0 0 0) (swiz w (var_ref P)) () ((var_ref dPdx) (var_ref dPdy)) ))))
(signature uvec4
(parameters
(declare (in) usampler1D sampler)
(declare (in) vec4 P)
(declare (in) float dPdx)
(declare (in) float dPdy) )
((return (txd (var_ref sampler) (swiz x (var_ref P)) (0 0 0) (swiz w (var_ref P)) () ((var_ref dPdx) (var_ref dPdy)) ))))
(signature vec4
(parameters
(declare (in) sampler2D sampler)
(declare (in) vec3 P)
(declare (in) vec2 dPdx)
(declare (in) vec2 dPdy) )
((return (txd (var_ref sampler) (swiz xy (var_ref P)) (0 0 0) (swiz z (var_ref P)) () ((var_ref dPdx) (var_ref dPdy)) ))))
(signature ivec4
(parameters
(declare (in) isampler2D sampler)
(declare (in) vec3 P)
(declare (in) vec2 dPdx)
(declare (in) vec2 dPdy) )
((return (txd (var_ref sampler) (swiz xy (var_ref P)) (0 0 0) (swiz z (var_ref P)) () ((var_ref dPdx) (var_ref dPdy)) ))))
(signature uvec4
(parameters
(declare (in) usampler2D sampler)
(declare (in) vec3 P)
(declare (in) vec2 dPdx)
(declare (in) vec2 dPdy) )
((return (txd (var_ref sampler) (swiz xy (var_ref P)) (0 0 0) (swiz z (var_ref P)) () ((var_ref dPdx) (var_ref dPdy)) ))))
(signature vec4
(parameters
(declare (in) sampler2D sampler)
(declare (in) vec4 P)
(declare (in) vec2 dPdx)
(declare (in) vec2 dPdy) )
((return (txd (var_ref sampler) (swiz xy (var_ref P)) (0 0 0) (swiz w (var_ref P)) () ((var_ref dPdx) (var_ref dPdy)) ))))
(signature ivec4
(parameters
(declare (in) isampler2D sampler)
(declare (in) vec4 P)
(declare (in) vec2 dPdx)
(declare (in) vec2 dPdy) )
((return (txd (var_ref sampler) (swiz xy (var_ref P)) (0 0 0) (swiz w (var_ref P)) () ((var_ref dPdx) (var_ref dPdy)) ))))
(signature uvec4
(parameters
(declare (in) usampler2D sampler)
(declare (in) vec4 P)
(declare (in) vec2 dPdx)
(declare (in) vec2 dPdy) )
((return (txd (var_ref sampler) (swiz xy (var_ref P)) (0 0 0) (swiz w (var_ref P)) () ((var_ref dPdx) (var_ref dPdy)) ))))
(signature vec4
(parameters
(declare (in) sampler3D sampler)
(declare (in) vec4 P)
(declare (in) vec3 dPdx)
(declare (in) vec3 dPdy) )
((return (txd (var_ref sampler) (swiz xyz (var_ref P)) (0 0 0) (swiz w (var_ref P)) () ((var_ref dPdx) (var_ref dPdy)) ))))
(signature ivec4
(parameters
(declare (in) isampler3D sampler)
(declare (in) vec4 P)
(declare (in) vec3 dPdx)
(declare (in) vec3 dPdy) )
((return (txd (var_ref sampler) (swiz xyz (var_ref P)) (0 0 0) (swiz w (var_ref P)) () ((var_ref dPdx) (var_ref dPdy)) ))))
(signature uvec4
(parameters
(declare (in) usampler3D sampler)
(declare (in) vec4 P)
(declare (in) vec3 dPdx)
(declare (in) vec3 dPdy) )
((return (txd (var_ref sampler) (swiz xyz (var_ref P)) (0 0 0) (swiz w (var_ref P)) () ((var_ref dPdx) (var_ref dPdy)) ))))
))
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