[Mesa-stable] [PATCH] mesa: fix height error check for 1D array textures

[Brian Paul]

height=0 is legal for 1D array textures (as height=0 is legal for
2D arrays).  Fixes new piglit ext_texture_array-errors test.

Cc: "10.3 10.4" <mesa-stable at lists.freedesktop.org>
---
 src/mesa/main/teximage.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/mesa/main/teximage.c b/src/mesa/main/teximage.c
index 4f4bb11..7766904 100644
--- a/src/mesa/main/teximage.c
+++ b/src/mesa/main/teximage.c
@@ -1542,7 +1542,7 @@ _mesa_legal_texture_dimensions(struct gl_context *ctx, GLenum target,
       maxSize >>= level;
       if (width < 2 * border || width > 2 * border + maxSize)
          return GL_FALSE;
-      if (height < 1 || height > ctx->Const.MaxArrayTextureLayers)
+      if (height < 0 || height > ctx->Const.MaxArrayTextureLayers)
          return GL_FALSE;
       if (!ctx->Extensions.ARB_texture_non_power_of_two) {
          if (width > 0 && !_mesa_is_pow_two(width - 2 * border))
-- 
1.9.1