From: Erik Faye-Lund <erik.faye-lund@collabora.com>
Date: Wed, 4 Jul 2018 12:40:25 +0000 (+0200)
Subject: mesa: verify MaxVertexAttribStride for GL 4.4
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=2e64a2f2d1f83c9f0ec6ba31ed92620abf221f86;p=mesa.git

mesa: verify MaxVertexAttribStride for GL 4.4

The OpenGL 4.4 specification, table Table 23.55 ("Implementation
Dependent Values"), defines the minimum-maximum value for
MAX_VERTEX_ATTRIB_STRIDE to be 2048.

So we shouldn't enable OpenGL 4.4 on implementations where this isn't
the case. Let's add a check for this.

Signed-off-by: Erik Faye-Lund <erik.faye-lund@collabora.com>
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
---

diff --git a/src/mesa/main/version.c b/src/mesa/main/version.c
index 2ba4c0b57f8..0b0d5b79d63 100644
--- a/src/mesa/main/version.c
+++ b/src/mesa/main/version.c
@@ -369,6 +369,7 @@ compute_version(const struct gl_extensions *extensions,
                          extensions->ARB_texture_view);
    const bool ver_4_4 = (ver_4_3 &&
                          consts->GLSLVersion >= 440 &&
+                         consts->MaxVertexAttribStride >= 2048 &&
                          extensions->ARB_buffer_storage &&
                          extensions->ARB_clear_texture &&
                          extensions->ARB_enhanced_layouts &&