mesa: fix error handling for glEvalMesh1/2D

According man page, trigger error when calling glEvalMesh1/2D inside
glBegin/glEnd.

Signed-off-by: Yuanhan Liu <yuanhan.liu@linux.intel.com>
Signed-off-by: Brian Paul <brianp@vmware.com>

diff --git a/src/mesa/main/api_noop.c b/src/mesa/main/api_noop.c
index 7d3d332..c4ac95c 100644 (file)
--- a/src/mesa/main/api_noop.c
+++ b/src/mesa/main/api_noop.c
@@ -892,6 +892,8 @@ _mesa_noop_EvalMesh1( GLenum mode, GLint i1, GLint i2 )
    GLfloat u, du;
    GLenum prim;
 
+   ASSERT_OUTSIDE_BEGIN_END(ctx);
+
    switch (mode) {
    case GL_POINT:
       prim = GL_POINTS;
@@ -930,6 +932,8 @@ _mesa_noop_EvalMesh2( GLenum mode, GLint i1, GLint i2, GLint j1, GLint j2 )
    GLfloat u, du, v, dv, v1, u1;
    GLint i, j;
 
+   ASSERT_OUTSIDE_BEGIN_END(ctx);
+
    switch (mode) {
    case GL_POINT:
    case GL_LINE: