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ir_variable: Add method to get string representing interpolation qualifier

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This commit is contained in:
Ian Romanick 2010-06-18 19:00:28 -07:00
parent cc22c5a544
commit 950ceb2bd6
2 changed files with 27 additions and 0 deletions
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17
ir.cpp
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@ -738,6 +738,23 @@ ir_variable::ir_variable(const struct glsl_type *type, const char *name)
}
const char *
ir_variable::interpolation_string() const
{
if (!this->shader_in && !this->shader_out)
return "";
switch (this->interpolation) {
case ir_var_smooth: return "smooth";
case ir_var_flat: return "flat";
case ir_var_noperspective: return "noperspective";
}
assert(!"Should not get here.");
return "";
}
ir_function_signature::ir_function_signature(const glsl_type *return_type)
: return_type(return_type), is_defined(false)
{

10
ir.h
View file

@ -177,6 +177,16 @@ public:
return var;
}
/**
* Get the string value for the interpolation qualifier
*
* \return
* If none of \c shader_in or \c shader_out is set, an empty string will
* be returned. Otherwise the string that would be used in a shader to
* specify \c mode will be returned.
*/
const char *interpolation_string() const;
const char *name;
/**