Mesa (master): mesa: fix incorrect error for glCompressedSubTexImage

[Brian Paul]

Module: Mesa
Branch: master
Commit: 1f586684d62c4f5208d1f3929d067a79ea2140ac
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=1f586684d62c4f5208d1f3929d067a79ea2140ac

Author: Brian Paul <brianp at vmware.com>
Date:   Sat Sep 22 09:30:23 2012 -0600

mesa: fix incorrect error for glCompressedSubTexImage

If a subtexture region isn't aligned to the compressed block size,
return GL_INVALID_OPERATION, not gl_INVALID_VALUE.

NOTE: This is a candidate for the stable branches.

Reviewed-by: Eric Anholt <eric at anholt.net>

---

 src/mesa/main/teximage.c |    6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/mesa/main/teximage.c b/src/mesa/main/teximage.c
index 08af668..c22e853 100644
--- a/src/mesa/main/teximage.c
+++ b/src/mesa/main/teximage.c
@@ -3574,13 +3574,13 @@ compressed_subtexture_error_check(struct gl_context *ctx, GLint dimensions,
    get_compressed_block_size(format, &bw, &bh);
 
    if ((xoffset % bw != 0) || (yoffset % bh != 0))
-      return GL_INVALID_VALUE;
+      return GL_INVALID_OPERATION;
 
    if ((width % bw != 0) && width != 2 && width != 1)
-      return GL_INVALID_VALUE;
+      return GL_INVALID_OPERATION;
 
    if ((height % bh != 0) && height != 2 && height != 1)
-      return GL_INVALID_VALUE;
+      return GL_INVALID_OPERATION;
 
    expectedSize = compressed_tex_size(width, height, depth, format);
    if (expectedSize != imageSize)