mesa: document range of SampleCoverageValue, MinSampleShadingValue

Trivial.

diff --git a/src/mesa/main/mtypes.h b/src/mesa/main/mtypes.h
index 29e4c67846a50fdbb4d9ab824bc89ada31ce0831..9ef1b18ea5b46bf92d402b2368ca0fef177e68e0 100644 (file)
--- a/src/mesa/main/mtypes.h
+++ b/src/mesa/main/mtypes.h
@@ -704,8 +704,8 @@ struct gl_multisample_attrib
    /* ARB_texture_multisample / GL3.2 additions */
    GLboolean SampleMask;
 
-   GLfloat SampleCoverageValue;
-   GLfloat MinSampleShadingValue;
+   GLfloat SampleCoverageValue;  /**< In range [0, 1] */
+   GLfloat MinSampleShadingValue;  /**< In range [0, 1] */
 
    /** The GL spec defines this as an array but >32x MSAA is madness */
    GLbitfield SampleMaskValue;