/**************************************************************************
 *
 * Copyright 2011 Marek Olšák <maraeo@gmail.com>
 * 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"), to deal in the Software without restriction, including
 * without limitation the rights to use, copy, modify, merge, publish,
 * distribute, sub license, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to
 * the following conditions:
 *
 * The above copyright notice and this permission notice (including the
 * next paragraph) shall be included in all copies or substantial portions
 * of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
 * IN NO EVENT SHALL THE AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR
 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 *
 **************************************************************************/


/**
 * glTextureBarrierNV function
 *
 * \author Marek Olšák
 */


#include "main/imports.h"
#include "main/context.h"

#include "pipe/p_context.h"
#include "pipe/p_defines.h"
#include "st_context.h"
#include "st_cb_texturebarrier.h"


/**
 * Called via ctx->Driver.TextureBarrier()
 */
static void
st_TextureBarrier(struct gl_context *ctx)
{
   struct pipe_context *pipe = st_context(ctx)->pipe;

   pipe->texture_barrier(pipe);
}


/**
 * Called via ctx->Driver.MemoryBarrier()
 */
static void
st_MemoryBarrier(struct gl_context *ctx, GLbitfield barriers)
{
   struct pipe_context *pipe = st_context(ctx)->pipe;
   unsigned flags = 0;

   if (barriers & GL_CLIENT_MAPPED_BUFFER_BARRIER_BIT)
      flags |= PIPE_BARRIER_MAPPED_BUFFER;
   if (barriers & GL_ATOMIC_COUNTER_BARRIER_BIT)
      flags |= PIPE_BARRIER_SHADER_BUFFER;
   if (barriers & GL_SHADER_STORAGE_BARRIER_BIT)
      flags |= PIPE_BARRIER_SHADER_BUFFER;

   if (barriers & GL_QUERY_BUFFER_BARRIER_BIT)
      flags |= PIPE_BARRIER_QUERY_BUFFER;

   if (flags && pipe->memory_barrier)
      pipe->memory_barrier(pipe, flags);
}

void st_init_texture_barrier_functions(struct dd_function_table *functions)
{
   functions->TextureBarrier = st_TextureBarrier;
   functions->MemoryBarrier = st_MemoryBarrier;
}