gistfile1.cpp

void Game::render() {
    GLenum buffers[] = { GL_COLOR_ATTACHMENT0, GL_COLOR_ATTACHMENT1 };
    glViewport(0, 0, w, h);
    
    glBindFramebuffer(GL_FRAMEBUFFER, fbo);
    glDrawBuffers(2, buffers);
    glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, t_col, 0);
    glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT1, GL_TEXTURE_2D, t_norm, 0);
    glFramebufferTexture2D(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_TEXTURE_2D, t_depth, 0);
	glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);

    world->render(proj, view);
    
    glBindFramebuffer(GL_FRAMEBUFFER, 0);

    
    glUseProgram(shader_ssao);
    glEnableVertexAttribArray(a_ssao_coord);
    glUniform1i(u_ssao_diffuse, 2);
    glUniform1i(u_ssao_normal, 1);
    glUniform1i(u_ssao_depth, 0);
    
    glActiveTexture(GL_TEXTURE2); glBindTexture(GL_TEXTURE_2D, t_col);
    glActiveTexture(GL_TEXTURE1); glBindTexture(GL_TEXTURE_2D, t_norm);
    glActiveTexture(GL_TEXTURE0); glBindTexture(GL_TEXTURE_2D, t_depth);
    
    glEnable(GL_TEXTURE_2D);
    glDisable(GL_DEPTH_TEST);
    glBindBuffer(GL_ARRAY_BUFFER, quad_vbo);
    glVertexAttribPointer(a_default_coord, 4, GL_FLOAT, GL_FALSE, 0, (void*)0);
    glDrawArrays(GL_QUADS, 0, 4);
    
    glDisableVertexAttribArray(a_ssao_coord);
}