mesa: Remove the _WindowMap from gl_viewport_attrib.

The _WindowMap can be dropped from gl_viewport_attrib now.
Simplify gl_viewport_attrib handling where possible.

Reviewed-by: Brian Paul <brianp@vmware.com>
Signed-off-by: Mathias Froehlich <Mathias.Froehlich@web.de>

1 files changed, 0 insertions, 25 deletions

diff --git a/src/mesa/main/state.c b/src/mesa/main/state.c
index dadfb3c..6dc14b2 100644
--- a/src/mesa/main/state.c
+++ b/src/mesa/main/state.c
@@ -269,28 +269,6 @@ update_program_constants(struct gl_context *ctx)
 
 
 
-static void
-update_viewport_matrix(struct gl_context *ctx)
-{
-   const GLfloat depthMax = ctx->DrawBuffer->_DepthMaxF;
-   unsigned i;
-
-   assert(depthMax > 0);
-
-   /* Compute scale and bias values. This is really driver-specific
-    * and should be maintained elsewhere if at all.
-    * NOTE: RasterPos uses this.
-    */
-   for (i = 0; i < ctx->Const.MaxViewports; i++) {
-      double scale[3], translate[3];
-
-      _mesa_get_viewport_xform(ctx, i, scale, translate);
-      _math_matrix_viewport(&ctx->ViewportArray[i]._WindowMap,
-                            scale, translate, depthMax);
-   }
-}
-
-
 /**
  * Update the ctx->Polygon._FrontBit flag.
  */
@@ -407,9 +385,6 @@ _mesa_update_state_locked( struct gl_context *ctx )
    if (new_state & _NEW_PIXEL)
       _mesa_update_pixel( ctx, new_state );
 
-   if (new_state & (_NEW_BUFFERS | _NEW_VIEWPORT))
-      update_viewport_matrix(ctx);
-
    if (new_state & (_NEW_MULTISAMPLE | _NEW_BUFFERS))
       update_multisample( ctx );