[Mesa-dev] [PATCH 8/8] mesa: Delete the ctx->Array._RestartIndex derived state.

[Kenneth Graunke]

It's incorrect and isn't used any longer.

NOTE: This is a candidate for the 9.1 branch.

Signed-off-by: Kenneth Graunke <kenn...@whitecape.org>
---
 src/mesa/main/attrib.c | 1 -
 src/mesa/main/enable.c | 5 -----
 src/mesa/main/mtypes.h | 4 +---
 src/mesa/main/varray.c | 3 +--
 4 files changed, 2 insertions(+), 11 deletions(-)

diff --git a/src/mesa/main/attrib.c b/src/mesa/main/attrib.c
index c118a94..249e88a 100644
--- a/src/mesa/main/attrib.c
+++ b/src/mesa/main/attrib.c
@@ -1399,7 +1399,6 @@ copy_array_attrib(struct gl_context *ctx,
    dest->PrimitiveRestartFixedIndex = src->PrimitiveRestartFixedIndex;
    dest->_PrimitiveRestart = src->_PrimitiveRestart;
    dest->RestartIndex = src->RestartIndex;
-   dest->_RestartIndex = src->_RestartIndex;
    /* skip NewState */
    /* skip RebindArrays */
 
diff --git a/src/mesa/main/enable.c b/src/mesa/main/enable.c
index 016e432..fdde24e 100644
--- a/src/mesa/main/enable.c
+++ b/src/mesa/main/enable.c
@@ -53,11 +53,6 @@ update_derived_primitive_restart_state(struct gl_context 
*ctx)
 {
    /* Update derived primitive restart state.
     */
-   if (ctx->Array.PrimitiveRestart)
-      ctx->Array._RestartIndex = ctx->Array.RestartIndex;
-   else
-      ctx->Array._RestartIndex = ~0;
-
    ctx->Array._PrimitiveRestart = ctx->Array.PrimitiveRestart
       || ctx->Array.PrimitiveRestartFixedIndex;
 }
diff --git a/src/mesa/main/mtypes.h b/src/mesa/main/mtypes.h
index e0e1886..882ebe1 100644
--- a/src/mesa/main/mtypes.h
+++ b/src/mesa/main/mtypes.h
@@ -1534,15 +1534,13 @@ struct gl_array_attrib
     * \name Primitive restart controls
     *
     * Primitive restart is enabled if either \c PrimitiveRestart or
-    * \c PrimitiveRestartFixedIndex is set.  If \c PrimitiveRestart is set,
-    * then \c RestartIndex is used as the cut vertex.  Otherwise ~0 is used.
+    * \c PrimitiveRestartFixedIndex is set.
     */
    /*@{*/
    GLboolean PrimitiveRestart;
    GLboolean PrimitiveRestartFixedIndex;
    GLboolean _PrimitiveRestart;
    GLuint RestartIndex;
-   GLuint _RestartIndex;
    /*@}*/
 
    /* GL_ARB_vertex_buffer_object */
diff --git a/src/mesa/main/varray.c b/src/mesa/main/varray.c
index dff0070..5f10f0c 100644
--- a/src/mesa/main/varray.c
+++ b/src/mesa/main/varray.c
@@ -1110,9 +1110,8 @@ _mesa_PrimitiveRestartIndex(GLuint index)
    }
 
    ctx->Array.RestartIndex = index;
-   if (ctx->Array.PrimitiveRestart && ctx->Array._RestartIndex != index) {
+   if (ctx->Array.PrimitiveRestart && ctx->Array.RestartIndex != index) {
       FLUSH_VERTICES(ctx, _NEW_TRANSFORM);
-      ctx->Array._RestartIndex = index;
    }
 }
 
-- 
1.8.3

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