/*
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * Copyright:
 *      2016, Danny Robson <danny@nerdcruft.net>
 */

#include "./command_buffer.hpp"

#include "./event.hpp"
#include "./pipeline.hpp"

#include <cruft/util/cast.hpp>

using vk::command_buffer;


///////////////////////////////////////////////////////////////////////////////
void
command_buffer::reset (VkCommandBufferResetFlags flags)
{
    auto err = vkResetCommandBuffer (id (), flags);
    error::try_code (err);
}


///////////////////////////////////////////////////////////////////////////////
void
command_buffer::begin (const VkCommandBufferBeginInfo &info)
{
    auto err = vkBeginCommandBuffer (id (), &info);
    error::try_code (err);
}


//-----------------------------------------------------------------------------
void
command_buffer::begin (const VkRenderPassBeginInfo &info, VkSubpassContents contents)
{
    vkCmdBeginRenderPass (id (), &info, contents);
}


//-----------------------------------------------------------------------------
void
command_buffer::end (void)
{
    auto err = vkEndCommandBuffer (id ());
    error::try_code (err);
}


//-----------------------------------------------------------------------------
void
command_buffer::end_pass (void)
{
    vkCmdEndRenderPass (id ());
}


///////////////////////////////////////////////////////////////////////////////
template <size_t N>
void
command_buffer::execute (const command_buffer (&buffers)[N])
{
    vkCmdExecuteCOmmands (id (), N, buffers);
}


//-----------------------------------------------------------------------------
void
command_buffer::next_subpass (const VkSubpassContents contents)
{
    vkCmdNextSubpass (id (), contents);
}


///////////////////////////////////////////////////////////////////////////////
void
command_buffer::bind (VkPipelineBindPoint point, const pipeline &p)
{
    vkCmdBindPipeline (id (), point, p.id ());
}


///////////////////////////////////////////////////////////////////////////////
void
command_buffer::set (const event &ev, VkPipelineStageFlags flags)
{
    vkCmdSetEvent (id (), ev.id (), flags);
}


//-----------------------------------------------------------------------------
void
command_buffer::reset (const event &ev, VkPipelineStageFlags flags)
{
    vkCmdResetEvent (id (), ev.id (), flags);
}


//-----------------------------------------------------------------------------
void
command_buffer::wait (util::view<const event*> events,
                      VkPipelineStageFlags src_mask, 
                      VkPipelineStageFlags dst_mask, 
                      util::view<const VkMemoryBarrier*> VkMemoryBarriers,
                      util::view<const VkBufferMemoryBarrier*> VkBufferMemoryBarriers,
                      util::view<const VkImageMemoryBarrier*> VkImageMemoryBarriers)
{
    vkCmdWaitEvents (id (),
                     trunc_cast<uint32_t> (events.size ()), &events.cbegin ()->id (),
                     src_mask, dst_mask,
                     trunc_cast<uint32_t> (VkMemoryBarriers.size ()), VkMemoryBarriers.cbegin (),
                     trunc_cast<uint32_t> (VkBufferMemoryBarriers.size ()), VkBufferMemoryBarriers.cbegin (),
                     trunc_cast<uint32_t> (VkImageMemoryBarriers.size ()), VkImageMemoryBarriers.cbegin ());
}