cgv::render::program_variable_info Struct Reference

structure to store information on a shader program variable, i.e. More...

#include <context.h>

Public Member Functions
void	compute_sizes (size_t &cnt, size_t &s, size_t &S) const
	helper member function to compute counts and sizes

Public Attributes
std::string	name
	name as it appears in shaders
cgv::render::type_descriptor	type_descr
	type descriptor providing information on component and compositions (scalar, vector or matrix)
unsigned	array_size = 0
	dimension of arrays
int	program_location
	location in program, but not for array variables which span multiple locations
std::vector< char >	current_value
	data storage for the value of the program variable

Friends
CGV_API std::ostream &	operator<< (std::ostream &os, const program_variable_info &V)
	operator to stream out program variable info in text format

Detailed Description

structure to store information on a shader program variable, i.e.

a uniform or attribute

Definition at line 99 of file context.h.

Member Function Documentation

compute_sizes()

void cgv::render::program_variable_info::compute_sizes	(	size_t &	cnt,
		size_t &	s,
		size_t &	S ) const

helper member function to compute counts and sizes

Parameters

cnt	reference to variable retrieving component count
s	reference to variable retrieving array element size in bytes
S	reference to variable retrieving total array size in bytes

Definition at line 62 of file context.cxx.

References array_size, cgv::type::info::get_type_size(), cgv::type::info::TI_BOOL, and type_descr.

Referenced by operator<<.

Friends And Related Symbol Documentation

operator<<

CGV_API std::ostream & operator<< ( std::ostream & os, const program_variable_info & V )

friend

operator to stream out program variable info in text format

Definition at line 77 of file context.cxx.

References array_size, compute_sizes(), current_value, name, program_location, cgv::type::info::TI_BOOL, cgv::type::info::TI_FLT32, cgv::type::info::TI_FLT64, cgv::type::info::TI_INT32, cgv::type::info::TI_UINT32, and type_descr.

Member Data Documentation

array_size

unsigned cgv::render::program_variable_info::array_size = 0

dimension of arrays

Definition at line 106 of file context.h.

Referenced by compute_sizes(), and operator<<.

current_value

std::vector<char> cgv::render::program_variable_info::current_value

data storage for the value of the program variable

Definition at line 110 of file context.h.

Referenced by operator<<.

name

std::string cgv::render::program_variable_info::name

name as it appears in shaders

Definition at line 102 of file context.h.

Referenced by operator<<.

program_location

int cgv::render::program_variable_info::program_location

location in program, but not for array variables which span multiple locations

Definition at line 108 of file context.h.

Referenced by operator<<.

type_descr

cgv::render::type_descriptor cgv::render::program_variable_info::type_descr

type descriptor providing information on component and compositions (scalar, vector or matrix)

Definition at line 104 of file context.h.

Referenced by compute_sizes(), and operator<<.

---

The documentation for this struct was generated from the following files:

• cgv/render/context.h
• cgv/render/context.cxx