From a5e7941bfce584daac278cc7f5f31165423f8fa1 Mon Sep 17 00:00:00 2001
From: "Ryan C. Gordon" <icculus@icculus.org>
Date: Mon, 25 Apr 2016 02:54:04 -0400
Subject: [PATCH] glsl: texture*Proj() needs vec3 params for cubes and 3d
 textures.

---
 mojoshader.c | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/mojoshader.c b/mojoshader.c
index e4ab2b90..65f775ae 100644
--- a/mojoshader.c
+++ b/mojoshader.c
@@ -3408,8 +3408,17 @@ static void glsl_texld(Context *ctx, const int texldd)
 
         if (texldd)
         {
-            make_GLSL_srcarg_string_vec2(ctx, 2, src2, sizeof (src2));
-            make_GLSL_srcarg_string_vec2(ctx, 3, src3, sizeof (src3));
+            if (sreg->index == TEXTURE_TYPE_2D)
+            {
+                make_GLSL_srcarg_string_vec2(ctx, 2, src2, sizeof (src2));
+                make_GLSL_srcarg_string_vec2(ctx, 3, src3, sizeof (src3));
+            } // if
+            else
+            {
+                assert((sreg->index == TEXTURE_TYPE_CUBE) || (sreg->index == TEXTURE_TYPE_VOLUME));
+                make_GLSL_srcarg_string_vec3(ctx, 2, src2, sizeof (src2));
+                make_GLSL_srcarg_string_vec3(ctx, 3, src3, sizeof (src3));
+            } // else
         } // if
 
         // !!! FIXME: can TEXLDD set instruction_controls?