mesa: Restore gl_array_object::NewArray

This will be used by the ARB_vertex_attrib_binding implementation.
This reverts commit db38e9a0e1.

Reviewed-by: Eric Anholt <eric@anholt.net>
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>

src/mesa/main/enable.c

@@ -135,6 +135,8 @@ client_state(struct gl_context *ctx, GLenum cap, GLboolean state)
    else
       arrayObj->_Enabled &= ~flag;
 
+   arrayObj->NewArrays |= flag;
+
    if (ctx->Driver.Enable) {
       ctx->Driver.Enable( ctx, cap, state );
    }

src/mesa/main/mtypes.h

@@ -1513,6 +1513,9 @@ struct gl_array_object
    /** Mask of VERT_BIT_* values indicating which arrays are enabled */
    GLbitfield64 _Enabled;
 
+   /** Mask of VERT_BIT_* values indicating changed/dirty arrays */
+   GLbitfield64 NewArrays;
+
    /**
     * Min of all enabled arrays' _MaxElement.  When arrays reside inside VBOs
     * we can determine the max legal (in bounds) glDrawElements array index.

src/mesa/main/state.c

@@ -430,6 +430,7 @@ _mesa_update_state_locked( struct gl_context *ctx )
    new_state = ctx->NewState | new_prog_state;
    ctx->NewState = 0;
    ctx->Driver.UpdateState(ctx, new_state);
+   ctx->Array.ArrayObj->NewArrays = 0x0;
 }
 
 

src/mesa/main/varray.c

@@ -286,6 +286,7 @@ update_array(struct gl_context *ctx,
                                  ctx->Array.ArrayBufferObj);
 
    ctx->NewState |= _NEW_ARRAY;
+   ctx->Array.ArrayObj->NewArrays |= VERT_BIT(attrib);
 }
 
 
@@ -537,6 +538,7 @@ _mesa_EnableVertexAttribArray(GLuint index)
       FLUSH_VERTICES(ctx, _NEW_ARRAY);
       arrayObj->VertexAttrib[VERT_ATTRIB_GENERIC(index)].Enabled = GL_TRUE;
       arrayObj->_Enabled |= VERT_BIT_GENERIC(index);
+      arrayObj->NewArrays |= VERT_BIT_GENERIC(index);
    }
 }
 
@@ -562,6 +564,7 @@ _mesa_DisableVertexAttribArray(GLuint index)
       FLUSH_VERTICES(ctx, _NEW_ARRAY);
       arrayObj->VertexAttrib[VERT_ATTRIB_GENERIC(index)].Enabled = GL_FALSE;
       arrayObj->_Enabled &= ~VERT_BIT_GENERIC(index);
+      arrayObj->NewArrays |= VERT_BIT_GENERIC(index);
    }
 }
 
@@ -1161,6 +1164,7 @@ _mesa_VertexAttribDivisor(GLuint index, GLuint divisor)
    if (array->InstanceDivisor != divisor) {
       FLUSH_VERTICES(ctx, _NEW_ARRAY);
       array->InstanceDivisor = divisor;
+      ctx->Array.ArrayObj->NewArrays |= VERT_BIT(VERT_ATTRIB_GENERIC(index));
    }
 }