Mesa (master): main: Use _mesa_lookup_bufferobj_err to simplify Tex[ture] Buffer[Range].

[Laura Ekstrand]

Module: Mesa
Branch: master
Commit: d03337306a59ec7a9c1b4bd37856a95c40c1c801
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=d03337306a59ec7a9c1b4bd37856a95c40c1c801

Author: Laura Ekstrand <laura at jlekstrand.net>
Date:   Wed Mar  4 14:07:50 2015 -0800

main: Use _mesa_lookup_bufferobj_err to simplify Tex[ture]Buffer[Range].

v2: Review from Anuj Phogat
   - Split rebase of Tex[ture]Buffer[Range]
   - Closing curly brace on the same line as else

Reviewed-by: Anuj Phogat <anuj.phogat at gmail.com>

---

 src/mesa/main/teximage.c |   23 ++++++++++++-----------
 1 file changed, 12 insertions(+), 11 deletions(-)

diff --git a/src/mesa/main/teximage.c b/src/mesa/main/teximage.c
index 345a8ff..6374ec9 100644
--- a/src/mesa/main/teximage.c
+++ b/src/mesa/main/teximage.c
@@ -5303,11 +5303,12 @@ _mesa_TexBuffer(GLenum target, GLenum internalFormat, GLuint buffer)
       return;
    }
 
-   bufObj = _mesa_lookup_bufferobj(ctx, buffer);
-   if (!bufObj && buffer) {
-      _mesa_error(ctx, GL_INVALID_OPERATION, "glTexBuffer(buffer %u)", buffer);
-      return;
-   }
+   if (buffer) {
+      bufObj = _mesa_lookup_bufferobj_err(ctx, buffer, "glTexBuffer");
+      if (!bufObj)
+         return;
+   } else
+      bufObj = NULL;
 
    texObj = _mesa_get_current_tex_object(ctx, target);
    if (!texObj)
@@ -5387,12 +5388,12 @@ _mesa_TextureBuffer(GLuint texture, GLenum internalFormat, GLuint buffer)
       return;
    }
 
-   bufObj = _mesa_lookup_bufferobj(ctx, buffer);
-   if (!bufObj && buffer) {
-      _mesa_error(ctx, GL_INVALID_OPERATION, "glTextureBuffer(buffer %u)",
-                  buffer);
-      return;
-   }
+   if (buffer) {
+      bufObj = _mesa_lookup_bufferobj_err(ctx, buffer, "glTextureBuffer");
+      if (!bufObj)
+         return;
+   } else
+      bufObj = NULL;
 
    /* Get the texture object by Name. */
    texObj = _mesa_lookup_texture_err(ctx, texture,