-
/*
* Mesa 3-D graphics library
- * Version: 4.1
+ * Version: 6.3
*
- * Copyright (C) 1999-2002 Brian Paul All Rights Reserved.
+ * Copyright (C) 1999-2005 Brian Paul All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
#include "mtypes.h"
-void
+void GLAPIENTRY
_mesa_ClearAccum( GLfloat red, GLfloat green, GLfloat blue, GLfloat alpha )
{
GLfloat tmp[4];
COPY_4FV( ctx->Accum.ClearColor, tmp );
}
-/* Should really be a driver-supplied function?
- */
-void
+
+void GLAPIENTRY
_mesa_Accum( GLenum op, GLfloat value )
{
GET_CURRENT_CONTEXT(ctx);
return;
}
+ switch (op) {
+ case GL_ADD:
+ case GL_MULT:
+ case GL_ACCUM:
+ case GL_LOAD:
+ case GL_RETURN:
+ /* OK */
+ break;
+ default:
+ _mesa_error(ctx, GL_INVALID_ENUM, "glAccum(op)");
+ return;
+ }
+
if (ctx->NewState)
_mesa_update_state( ctx );
+ if (ctx->RenderMode != GL_RENDER) {
+ /* no-op */
+ return;
+ }
+
/* Determine region to operate upon. */
if (ctx->Scissor.Enabled) {
xpos = ctx->Scissor.X;
ctx->Driver.Accum( ctx, op, value, xpos, ypos, width, height );
}
+
+
+
+void
+_mesa_init_accum( GLcontext *ctx )
+{
+ /* Accumulate buffer group */
+ ASSIGN_4V( ctx->Accum.ClearColor, 0.0, 0.0, 0.0, 0.0 );
+}