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我从一个网站知道矩形纹理可用于屏幕大小的图像。但是,对于函数glGetTexParameterfv,只有GL_TEXTURE_2D和GL_TEXTURE_CUBE_MAP被接受。这是否意味着GL_TEXTURE_RECTANGLEOpenGL ES 2.0 不支持矩形纹理?我想知道这是否意味着只能在着色器中使用归一化纹理坐标?谢谢你。