mesa: Remove ClearIndex and IndexMask from device-driver interface

These are used to inform the driver of the clear value for color-index
buffers and to control write-masking of bits in color-index buffers.
No driver use or need (not even Nouveau) these interfaces.

Signed-off-by: Ian Romanick <ian.d.romanick@intel.com>

1 files changed, 0 insertions, 34 deletions

diff --git a/src/mesa/drivers/x11/xm_dd.c b/src/mesa/drivers/x11/xm_dd.c
index d304192f4c..5edafb890b 100644
--- a/src/mesa/drivers/x11/xm_dd.c
+++ b/src/mesa/drivers/x11/xm_dd.c
@@ -107,18 +107,6 @@ finish_or_flush( GLcontext *ctx )
 
 
 static void
-clear_index( GLcontext *ctx, GLuint index )
-{
-   if (ctx->DrawBuffer->Name == 0) {
-      const XMesaContext xmesa = XMESA_CONTEXT(ctx);
-      XMesaBuffer xmbuf = XMESA_BUFFER(ctx->DrawBuffer);
-      xmesa->clearpixel = (unsigned long) index;
-      XMesaSetForeground( xmesa->display, xmbuf->cleargc, (unsigned long) index );
-   }
-}
-
-
-static void
 clear_color( GLcontext *ctx, const GLfloat color[4] )
 {
    if (ctx->DrawBuffer->Name == 0) {
@@ -144,26 +132,6 @@ clear_color( GLcontext *ctx, const GLfloat color[4] )
 
 
 
-/* Set index mask ala glIndexMask */
-static void
-index_mask( GLcontext *ctx, GLuint mask )
-{
-   const XMesaContext xmesa = XMESA_CONTEXT(ctx);
-   XMesaBuffer xmbuf = XMESA_BUFFER(ctx->DrawBuffer);
-   /* not sure this conditional is really needed */
-   if (xmbuf->backxrb && xmbuf->backxrb->pixmap) {
-      unsigned long m;
-      if (mask==0xffffffff) {
-	 m = ((unsigned long)~0L);
-      }
-      else {
-         m = (unsigned long) mask;
-      }
-      XMesaSetPlaneMask( xmesa->display, xmbuf->cleargc, m );
-   }
-}
-
-
 /* Implements glColorMask() */
 static void
 color_mask(GLcontext *ctx,
@@ -1143,9 +1111,7 @@ xmesa_init_driver_functions( XMesaVisual xmvisual,
    driver->GetBufferSize = NULL; /* OBSOLETE */
    driver->Flush = finish_or_flush;
    driver->Finish = finish_or_flush;
-   driver->ClearIndex = clear_index;
    driver->ClearColor = clear_color;
-   driver->IndexMask = index_mask;
    driver->ColorMask = color_mask;
    driver->Enable = enable;
    driver->Viewport = xmesa_viewport;