src/RenderBackend/OpenGL/Uniform.cpp


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34

#include "../../../include/RenderBackend/OpenGL/Uniform.hpp"
#include "../../../include/RenderBackend/OpenGL/opengl.hpp"

namespace amalgine {
    Uniform::~Uniform() {}

    void Uniform::set(float value) {
        use();
        glUniform1f(uniform_id, value);
    }

    void Uniform::set(const vec3f &value) {
        use();
        glUniform3f(uniform_id, value.x, value.y, value.z);
    }

    void Uniform::set(const glm::mat4 &value) {
        use();
        glUniformMatrix4fv(uniform_id, 1, GL_FALSE, glm::value_ptr(value));
    }

    void Uniform::set(const Texture2D &texture) {
        use();
        glUniform1i(uniform_id, texture.get_texture_id());
    }

    Uniform::Uniform(i32 uniform_id, u32 shader_program_id) : uniform_id(uniform_id), program_id(shader_program_id) {
        
    }

    void Uniform::use() {
        glUseProgram(program_id);
    }
}