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LibGL: Reject GL_LEFT and GL_RIGHT in glCullFace

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glCullFace only accepts GL_FRONT, GL_BACK and GL_FRONT_AND_BACK.
We checked if the mode was valid by performing
```
cull_mode < GL_FRONT || cull_mode > GL_FRONT_AND_BACK
```

However, this range also contains GL_LEFT and GL_RIGHT, which we would
accept when we should return a GL_INVALID_ENUM error.
This commit is contained in:
Luke Wilde 2022-06-04 00:19:15 +01:00 • committed by Linus Groh
parent 2a171dfc38
commit 971d6ce16f
2 changed files with 14 additions and 1 deletions
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13
Tests/LibGL/TestAPI.cpp
View file

@ -40,3 +40,16 @@ TEST_CASE(0001_gl_gen_textures_does_not_return_the_same_texture_name_twice_unles
EXPECT_NE(texture1, texture2);
}
TEST_CASE(0002_gl_cull_face_does_not_accept_left_and_right)
{
auto context = create_testing_context();
// glCullFace only accepts GL_FRONT, GL_BACK and GL_FRONT_AND_BACK. We checked if the mode was valid by performing cull_mode < GL_FRONT || cull_mode > GL_FRONT_AND_BACK.
// However, this range also contains GL_LEFT and GL_RIGHT, which we would accept when we should return a GL_INVALID_ENUM error.
glCullFace(GL_LEFT);
EXPECT_EQ(glGetError(), static_cast<GLenum>(GL_INVALID_ENUM));
glCullFace(GL_RIGHT);
EXPECT_EQ(glGetError(), static_cast<GLenum>(GL_INVALID_ENUM));
}