[SFML和OpenGL在调用绘图函数时会导致GL_INVALID_OPERATIONS

Question

我正在主计算机上使用小型游戏引擎，但是当我在笔记本电脑上克隆该项目时，我收到很多错误消息并显示空白屏幕。

这是我从调用SFML绘制函数得到的每一帧的错误消息：

Warning: The created OpenGL context does not fully meet the settings that were requested
Requested: version = 4.4 ; depth bits = 24 ; stencil bits = 8 ; AA level = 1 ; core = false ; debug = false ; sRGB = false
Created: version = 4.5 ; depth bits = 24 ; stencil bits = 8 ; AA level = 4 ; core = true ; debug = false ; sRGB = false
An internal OpenGL call failed in RenderTarget.cpp(369).
Expression:
   GLEXT_glClientActiveTexture(GLEXT_GL_TEXTURE0)
Error description:
   GL_INVALID_OPERATION
   The specified operation is not allowed in the current state.

An internal OpenGL call failed in RenderTarget.cpp(375).
Expression:
   glDisable(GL_LIGHTING)
Error description:
   GL_INVALID_ENUM
   An unacceptable value has been specified for an enumerated argument.

An internal OpenGL call failed in RenderTarget.cpp(377).
Expression:
   glDisable(GL_ALPHA_TEST)
Error description:
   GL_INVALID_ENUM
   An unacceptable value has been specified for an enumerated argument.

An internal OpenGL call failed in RenderTarget.cpp(378).
Expression:
   glEnable(GL_TEXTURE_2D)
Error description:
   GL_INVALID_ENUM
   An unacceptable value has been specified for an enumerated argument.

An internal OpenGL call failed in RenderTarget.cpp(380).
Expression:
   glMatrixMode(GL_MODELVIEW)
Error description:
   GL_INVALID_OPERATION
   The specified operation is not allowed in the current state.

An internal OpenGL call failed in RenderTarget.cpp(381).
Expression:
   glEnableClientState(GL_VERTEX_ARRAY)
Error description:
   GL_INVALID_OPERATION
   The specified operation is not allowed in the current state.

我只是在菜单屏幕上绘制精灵和纹理，似乎即使绘制的OpenGL函数也会产生错误。这是我的github存储库的链接：https://github.com/ZzkilzZ/mfengine

我在两台计算机上都运行Ubuntu的LTS版本，我认为这可能是某些依赖项版本之间的差异？

提前谢谢大家！

Answer 1

您正在创建OpenGL Core Profile上下文，但是代码使用的是旧式固定功能的东西，例如glDisable(GL_LIGHTING)。解决方案是在创建上下文时请求兼容性配置文件。是否有兼容性配置文件取决于您的OpenGL实现。我建议您找到一个更现代的示例代码。

似乎可以在SFML的sf::ContextSettings::attributeFlags或[]中设置兼容性配置文件>

glfwOpenWindowHint(GLFW_OPENGL_VERSION_MAJOR,4);
glfwOpenWindowHint(GLFW_OPENGL_VERSION_MINOR,5);
glfwOpenWindowHint(GLFW_OPENGL_PROFILE,GLFW_OPENGL_COMPAT_PROFILE);