From: Eric Anholt <eric@anholt.net>
Date: Wed, 18 Jan 2012 20:14:09 +0000 (-0800)
Subject: mesa: Add a flag for forcing all GLSL extensions to "warn".
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=b9e27cc1426e3242a003fa5ae91fab330694009a;p=mesa.git

mesa: Add a flag for forcing all GLSL extensions to "warn".

NOTE: This is a candidate for the 8.0 branch.
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
---

diff --git a/src/glsl/glsl_parser_extras.cpp b/src/glsl/glsl_parser_extras.cpp
index 0b53232e9e7..7f8d47ce9bc 100644
--- a/src/glsl/glsl_parser_extras.cpp
+++ b/src/glsl/glsl_parser_extras.cpp
@@ -114,6 +114,9 @@ _mesa_glsl_parse_state::_mesa_glsl_parse_state(struct gl_context *ctx,
    }
 
    this->supported_version_string = supported;
+
+   if (ctx->Const.ForceGLSLExtensionsWarn)
+      _mesa_glsl_process_extension("all", NULL, "warn", NULL, this);
 }
 
 const char *
diff --git a/src/mesa/main/mtypes.h b/src/mesa/main/mtypes.h
index a2b01d05d22..99dcb389b62 100644
--- a/src/mesa/main/mtypes.h
+++ b/src/mesa/main/mtypes.h
@@ -2771,6 +2771,12 @@ struct gl_constants
 
    GLuint GLSLVersion;  /**< GLSL version supported (ex: 120 = 1.20) */
 
+   /**
+    * Changes default GLSL extension behavior from "error" to "warn".  It's out
+    * of spec, but it can make some apps work that otherwise wouldn't.
+    */
+   GLboolean ForceGLSLExtensionsWarn;
+
    /**
     * Does the driver support real 32-bit integers?  (Otherwise, integers are
     * simulated via floats.)