diff options
| -rw-r--r-- | src/mesa/main/multisample.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/src/mesa/main/multisample.c b/src/mesa/main/multisample.c index 0e9207bc16e..816837b95bd 100644 --- a/src/mesa/main/multisample.c +++ b/src/mesa/main/multisample.c @@ -150,6 +150,15 @@ GLenum _mesa_check_sample_count(struct gl_context *ctx, GLenum target, GLenum internalFormat, GLsizei samples) { + /* Section 2.5 (GL Errors) of OpenGL 3.0 specification, page 16: + * + * "If a negative number is provided where an argument of type sizei or + * sizeiptr is specified, the error INVALID VALUE is generated." + */ + if (samples < 0) { + return GL_INVALID_VALUE; + } + /* Section 4.4 (Framebuffer objects), page 198 of the OpenGL ES 3.0.0 * specification says: * |