On 03/23/2015 05:47 AM, ville.syrj...@linux.intel.com wrote:
> From: Ville Syrjälä <ville.syrj...@linux.intel.com>
>
> When rendering quad strips via tri strips we can't get the provoking
> vertex right, so disallow flat shading.
Same comments as for patch 2.
> Signed-off-by: Ville Syrjälä <ville.syrj...@linux.intel.com>
> ---
> src/mesa/tnl_dd/t_dd_dmatmp.h | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/src/mesa/tnl_dd/t_dd_dmatmp.h b/src/mesa/tnl_dd/t_dd_dmatmp.h
> index 3ed4a98..f56b0aa 100644
> --- a/src/mesa/tnl_dd/t_dd_dmatmp.h
> +++ b/src/mesa/tnl_dd/t_dd_dmatmp.h
> @@ -447,7 +447,7 @@ static void TAG(render_quad_strip_verts)( struct
> gl_context *ctx,
>
> FLUSH();
> }
> - else if (HAVE_TRI_STRIPS) {
> + else if (HAVE_TRI_STRIPS && ctx->Light.ShadeModel == GL_SMOOTH) {
> LOCAL_VARS;
> int dmasz = GET_SUBSEQUENT_VB_MAX_VERTS();
> int currentsz;
> @@ -1124,7 +1124,7 @@ static GLboolean TAG(validate_render)( struct
> gl_context *ctx,
> } else if (HAVE_QUAD_STRIPS) {
> ok = GL_TRUE;
> } else {
> - ok = HAVE_TRI_STRIPS;
> + ok = (HAVE_TRI_STRIPS && ctx->Light.ShadeModel == GL_SMOOTH);
> }
> break;
> case GL_QUADS:
>
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