Mesa (master): st/mesa: expose conservative_depth if GLSL 1.3 is supported

[Marek Olšák]

Module: Mesa
Branch: master
Commit: 047363a07b0e13f8724791ed834b0b68e762adc7
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=047363a07b0e13f8724791ed834b0b68e762adc7

Author: Marek Olšák <maraeo at gmail.com>
Date:   Tue Dec 13 18:11:00 2011 +0100

st/mesa: expose conservative_depth if GLSL 1.3 is supported

It's not yet, but it can be enabled by the override environment variable.

---

 src/mesa/state_tracker/st_extensions.c |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)

diff --git a/src/mesa/state_tracker/st_extensions.c b/src/mesa/state_tracker/st_extensions.c
index 47a178b..dc17d76 100644
--- a/src/mesa/state_tracker/st_extensions.c
+++ b/src/mesa/state_tracker/st_extensions.c
@@ -263,6 +263,12 @@ void st_init_extensions(struct st_context *st)
    ctx->Const.GLSLVersion = 120;
    _mesa_override_glsl_version(st->ctx);
 
+   /* Extensions that only depend on the GLSL version:
+    */
+   if (ctx->Const.GLSLVersion >= 130) {
+      ctx->Extensions.ARB_conservative_depth = GL_TRUE;
+   }
+
    /*
     * Extensions that are supported by all Gallium drivers:
     */