From: Mathias Fröhlich <mathias.froehl...@web.de>
Mention how this is supposed to work where the constant is declared.
Signed-off-by: Mathias Fröhlich <mathias.froehl...@web.de>
---
src/mesa/main/mtypes.h | 19 ++++++++++++++++++-
1 file changed, 18 insertions(+), 1 deletion(-)
diff --git a/src/mesa/main/mtypes.h b/src/mesa/main/mtypes.h
index 482c42a4b2..4ecdf39c2b 100644
--- a/src/mesa/main/mtypes.h
+++ b/src/mesa/main/mtypes.h
@@ -3782,7 +3782,24 @@ struct gl_constants
/** OpenGL version 3.2 */
GLbitfield ProfileMask; /**< Mask of CONTEXT_x_PROFILE_BIT */
- /** OpenGL version 4.4 */
+ /** OpenGL version 4.4
+ *
+ * Maximum value supported for strides in vertex arrays.
+ *
+ * Note that the value is also used internally when building up VAOs
+ * for immediate mode draws.
+ *
+ * This must be at least 2048 according to the spec which is the default.
+ * Note that a value of 0 means for mesa not to check for this limit
+ * internally. This is used from virgl that may end up in the situation
+ * that OpenGL applications had any time before OpenGL 4.4. That is, there
+ * is no way to query the underlying OpenGL stack for this driver limit and
+ * applictions just assume that kind of small offsets are still ok.
+ * But still, mesa shall not return meaningful but may be wrong values
+ * when being asked for GL_MAX_VERTEX_ATTRIB_STRIDE.
+ *
+ * \sa _mesa_init_constants
+ */
GLuint MaxVertexAttribStride;
/** GL_EXT_transform_feedback */
--
2.17.1
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