In commit aec149c we test that glGetTextureSubImage() and
glGetCompressedTextureSubImage() returns INVALID_VALUE when the texture
is not the name of an existing texture object.

Nevertheless, this is a bug in the OpenGL 4.5 spec itself, that has been
fixed, but not released yet.

In the fix the expected error value for this case is INVALID_OPERATION.

This reverts commit aec149c836bcd29d4764c8f459fdc45613d18c8c.
---
 tests/spec/arb_get_texture_sub_image/errors.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/tests/spec/arb_get_texture_sub_image/errors.c 
b/tests/spec/arb_get_texture_sub_image/errors.c
index e6f7972..34fec4a 100644
--- a/tests/spec/arb_get_texture_sub_image/errors.c
+++ b/tests/spec/arb_get_texture_sub_image/errors.c
@@ -47,7 +47,7 @@ test_texture_id(void)
                             8, 8, 1, /* size */
                             GL_RGBA, GL_UNSIGNED_BYTE,
                             sizeof(buffer), buffer);
-       if (!piglit_check_gl_error(GL_INVALID_VALUE))
+       if (!piglit_check_gl_error(GL_INVALID_OPERATION))
                pass = false;
 
        /* Test compressed get with bad texture ID */
@@ -55,7 +55,7 @@ test_texture_id(void)
                                       0, 0, 0, /* offset */
                                       8, 8, 1, /* size */
                                       sizeof(buffer), buffer);
-       if (!piglit_check_gl_error(GL_INVALID_VALUE))
+       if (!piglit_check_gl_error(GL_INVALID_OPERATION))
                pass = false;
 
        /* Test get with undefined texture */
-- 
2.9.4

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