在constexpr GLenum数组中存储OpenGL颜色附件

constexpr GLenum colorAttachments[] = {
    GL_COLOR_ATTACHMENT0,
    GL_COLOR_ATTACHMENT1,
    GL_COLOR_ATTACHMENT2,
    // 更多附件...
};

#include <GL/glew.h>
#include <GLFW/glfw3.h>

constexpr GLenum colorAttachments[] = {
    GL_COLOR_ATTACHMENT0,
    GL_COLOR_ATTACHMENT1
};

void setupFramebuffer() {
    GLuint framebuffer;
    glGenFramebuffers(1, &framebuffer);
    glBindFramebuffer(GL_FRAMEBUFFER, framebuffer);

    // 创建纹理附件
    GLuint textures[2];
    glGenTextures(2, textures);
    for (int i = 0; i < 2; ++i) {
        glBindTexture(GL_TEXTURE_2D, textures[i]);
        glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, 800, 600, 0, GL_RGB, GL_UNSIGNED_BYTE, nullptr);
        glFramebufferTexture2D(GL_FRAMEBUFFER, colorAttachments[i], GL_TEXTURE_2D, textures[i], 0);
    }

    // 检查帧缓冲完整性
    if (glCheckFramebufferStatus(GL_FRAMEBUFFER) != GL_FRAMEBUFFER_COMPLETE) {
        // 处理错误
    }

    glBindFramebuffer(GL_FRAMEBUFFER, 0);
}

int main() {
    // 初始化GLFW和GLEW
    glfwInit();
    GLFWwindow* window = glfwCreateWindow(800, 600, "OpenGL", nullptr, nullptr);
    glfwMakeContextCurrent(window);
    glewInit();

    setupFramebuffer();

    // 主循环
    while (!glfwWindowShouldClose(window)) {
        // 渲染逻辑...

        glfwSwapBuffers(window);
        glfwPollEvents();
    }

    glfwTerminate();
    return 0;
}