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 95 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 61 of file context.cxx.

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

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 76 of file context.cxx.

Member Data Documentation

◆ array_size

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

dimension of arrays

Definition at line 102 of file context.h.

Referenced by compute_sizes().

◆ current_value

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

data storage for the value of the program variable

Definition at line 106 of file context.h.

◆ name

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

name as it appears in shaders

Definition at line 98 of file context.h.

◆ 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 104 of file context.h.

◆ 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 100 of file context.h.