mesa/gallium: Signal _NEW_TRANSFORM from glClipControl.

This removes the need for the gallium rasterizer state
to listen to viewport changes.
Thanks to Marek Olšák <[email protected]>.

Reviewed-by: Marek Olšák <[email protected]>
Signed-off-by: Mathias Froehlich <[email protected]>

1 files changed, 2 insertions, 6 deletions

diff --git a/src/mesa/main/viewport.c b/src/mesa/main/viewport.c
index d6a9e290a4a..0adce9c786c 100644
--- a/src/mesa/main/viewport.c
+++ b/src/mesa/main/viewport.c
@@ -459,15 +459,14 @@ _mesa_ClipControl(GLenum origin, GLenum depth)
        ctx->Transform.ClipDepthMode == depth)
       return;
 
-   FLUSH_VERTICES(ctx, 0);
+   /* Affects transform state and the viewport transform */
+   FLUSH_VERTICES(ctx, _NEW_TRANSFORM | _NEW_VIEWPORT);
 
    if (ctx->Transform.ClipOrigin != origin) {
       ctx->Transform.ClipOrigin = origin;
 
       /* Affects the winding order of the front face. */
       ctx->NewState |= _NEW_POLYGON;
-      /* Affects the y component of the viewport transform. */
-      ctx->NewState |= _NEW_VIEWPORT;
 
       if (ctx->Driver.FrontFace)
          ctx->Driver.FrontFace(ctx, ctx->Polygon.FrontFace);
@@ -476,9 +475,6 @@ _mesa_ClipControl(GLenum origin, GLenum depth)
    if (ctx->Transform.ClipDepthMode != depth) {
       ctx->Transform.ClipDepthMode = depth;
 
-      /* Affects the z part of the viewpoint transform. */
-      ctx->NewState |= _NEW_VIEWPORT;
-
       if (ctx->Driver.DepthRange)
          ctx->Driver.DepthRange(ctx);
    }