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al_set_shader_int_vector(3alleg5) al_set_shader_int_vector(3alleg5)


al_set_shader_int_vector - Allegro 5 API


#include <allegro5/allegro.h>
bool al_set_shader_int_vector(const char *name,

int num_components, const int *i, int num_elems)


Sets an integer vector array uniform of the current target bitmap’s shader. The `num_components' parameter can take one of the values 1, 2, 3 or 4. If it is 1 then an array of `num_elems' integer elements is added. Otherwise each added array element is assumed to be a vector with 2, 3 or 4 components in it.

For example, if you have a GLSL uniform declared as uniform ivec3 flowers[4] or an HLSL uniform declared as uniform int3 flowers[4], then you’d use this function from your code like so:

int flowers[4][3] =

{1, 2, 3},
{4, 5, 6},
{7, 8, 9},
{2, 5, 7} }; al_set_shader_int_vector("flowers", 3, (int*)flowers, 4);

Returns true on success. Otherwise returns false, e.g. if the uniform by that name does not exist in the shader.




al_set_shader_float_vector(3alleg5), al_use_shader(3alleg5)

Allegro reference manual