[PATCH 1/8] wined3d: Remove useless glClearxxx calls.

[Henri Verbeet]

On 10 April 2013 01:35, Matteo Bruni <mbruni at codeweavers.com> wrote:
> -    /* Clear the screen */
> -    gl_info->gl_ops.gl.p_glClearColor(1.0f, 0.0f, 0.0f, 0.0f);
> -    checkGLcall("glClearColor");
> -    gl_info->gl_ops.gl.p_glClearIndex(0);
> -    gl_info->gl_ops.gl.p_glClearDepth(1);
> -    gl_info->gl_ops.gl.p_glClearStencil(0xffff);
> -
> -    checkGLcall("glClear");
>
And actually potentially harmful, if the new context is created after
an existing one already did drawing on the same drawable. (Although
that's fairly unlikely, especially with "AlwaysOffscreen" enabled.)