#version 330 core
#define EPS  0.001

in vec3 Vertex;
in vec2 TexCoord;
in vec4 Weights;
in vec4 Bones;
in vec4 Weights2;
in vec4 Bones2;
uniform mat4 bind_shape_matrix;
uniform mat4 joints_matrices[100];
uniform mat4 joints_inv_matrices[100];
uniform mat4 worldMatrix;

out vec2 fragTexcoord;

void main(void)
{   
   vec4 pos = vec4(0.0);   

   pos +=  vec4(Vertex,1.0) * bind_shape_matrix * joints_inv_matrices[int(Bones[0])] *   
   joints_matrices[int(Bones[0])] * Weights[0];

   pos +=  vec4(Vertex,1.0) * bind_shape_matrix * joints_inv_matrices[int(Bones[1])] *   
   joints_matrices[int(Bones[1])] * Weights[1];
     
   pos +=  vec4(Vertex,1.0) * bind_shape_matrix * joints_inv_matrices[int(Bones[2])] *   
   joints_matrices[int(Bones[2])] * Weights[2];

   pos +=  vec4(Vertex,1.0) * bind_shape_matrix * joints_inv_matrices[int(Bones[3])] *   
   joints_matrices[int(Bones[3])] * Weights[3];

   pos +=  vec4(Vertex,1.0) * bind_shape_matrix * joints_inv_matrices[int(Bones2[0])] *   
   joints_matrices[int(Bones2[0])] * Weights2[0];

   pos +=  vec4(Vertex,1.0) * bind_shape_matrix * joints_inv_matrices[int(Bones2[1])] *   
   joints_matrices[int(Bones2[1])] * Weights2[1];
     
   pos +=  vec4(Vertex,1.0) * bind_shape_matrix * joints_inv_matrices[int(Bones2[2])] *   
   joints_matrices[int(Bones2[2])] * Weights2[2];

   pos +=  vec4(Vertex,1.0) * bind_shape_matrix * joints_inv_matrices[int(Bones2[3])] *   
   joints_matrices[int(Bones2[3])] * Weights2[3];
     

    gl_Position = worldMatrix * pos;
    fragTexcoord = TexCoord;
}

#include "SDL2/SDL.h"

#undef SDL_main

int main()
{
     if(SDL_Init(SDL_INIT_VIDEO) < 0)
     {
         return false;
     }

     SDL_Window * Surf_Display = SDL_CreateWindow("SDL2 Окно",
     SDL_WINDOWPOS_UNDEFINED,
     SDL_WINDOWPOS_UNDEFINED,
     1024, 768,
     SDL_WINDOW_OPENGL);
     if (Surf_Display == NULL)
     {
         return 1;
     }
     SDL_Delay(5000);
     return 0;
}

||=== Build: Debug in glsl_sdl_project69 (compiler: GNU GCC Compiler) ===|
C:\Program Files\CodeBlocks\MinGW\lib\libSDL2main.a(SDL_windows_main.o):SDL_windows_main.c|| undefined reference to `SDL_main'|
||=== Build failed: 1 error(s), 0 warning(s) (0 minute(s), 0 second(s)) ===|