From 72f0b4a55ba36bb8571b4c11d0098361f766814e Mon Sep 17 00:00:00 2001
From: Brian Paul <brianp@vmware.com>
Date: Wed, 28 Jan 2009 10:44:04 -0700
Subject: mesa: additional GL_INVALID_OPERATION tests for texture swizzle

---
 src/mesa/main/texparam.c | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

(limited to 'src/mesa/main')

diff --git a/src/mesa/main/texparam.c b/src/mesa/main/texparam.c
index 695bff0097..41c914e5b3 100644
--- a/src/mesa/main/texparam.c
+++ b/src/mesa/main/texparam.c
@@ -368,6 +368,11 @@ set_tex_parameteri(GLcontext *ctx,
       if (ctx->Extensions.EXT_texture_swizzle) {
          const GLuint comp = pname - GL_TEXTURE_SWIZZLE_R_EXT;
          const GLint swz = comp_to_swizzle(params[0]);
+         if (swz < 0) {
+            _mesa_error(ctx, GL_INVALID_OPERATION,
+                        "glTexParameter(swizzle 0x%x)", params[0]);
+            return;
+         }
          ASSERT(comp < 4);
          if (swz >= 0) {
             FLUSH_VERTICES(ctx, _NEW_TEXTURE);
@@ -390,8 +395,8 @@ set_tex_parameteri(GLcontext *ctx,
                set_swizzle_component(&texObj->_Swizzle, comp, swz);
             }
             else {
-               _mesa_error(ctx, GL_INVALID_ENUM, "glTexParameter(param=0x%x)",
-                           params[comp]);
+               _mesa_error(ctx, GL_INVALID_OPERATION,
+                           "glTexParameter(swizzle 0x%x)", params[comp]);
                return;
             }
          }
-- 
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