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kraken/kraken/KRRenderPass.cpp

130 lines
4.3 KiB
C++

//
// KRSurface.cpp
// Kraken Engine
//
// Copyright 2024 Kearwood Gilbert. All rights reserved.
//
// Redistribution and use in source and binary forms, with or without modification, are
// permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice, this list of
// conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright notice, this list
// of conditions and the following disclaimer in the documentation and/or other materials
// provided with the distribution.
//
// THIS SOFTWARE IS PROVIDED BY KEARWOOD GILBERT ''AS IS'' AND ANY EXPRESS OR IMPLIED
// WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
// FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL KEARWOOD GILBERT OR
// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
// ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// The views and conclusions contained in the software and documentation are those of the
// authors and should not be interpreted as representing official policies, either expressed
// or implied, of Kearwood Gilbert.
//
#include "KRRenderPass.h"
#include "KRSurface.h"
#include "KRSwapchain.h"
using namespace hydra;
KRRenderPass::KRRenderPass(KRContext& context)
: KRContextObject(context)
, m_renderPass(VK_NULL_HANDLE)
, m_info{}
{
}
KRRenderPass::~KRRenderPass()
{
assert(m_renderPass == VK_NULL_HANDLE);
}
void KRRenderPass::create(KRDevice& device, const RenderPassInfo& info, const VkRenderPassCreateInfo& createInfo)
{
assert(m_renderPass == VK_NULL_HANDLE);
m_info = info;
if (vkCreateRenderPass(device.m_logicalDevice, &createInfo, nullptr, &m_renderPass) != VK_SUCCESS) {
// failed! TODO - Error handling
}
#if KRENGINE_DEBUG_GPU_LABELS
device.setDebugLabel(m_renderPass, info.debugLabel);
#endif
}
void KRRenderPass::destroy(KRDevice& device)
{
if (m_renderPass) {
vkDestroyRenderPass(device.m_logicalDevice, m_renderPass, nullptr);
m_renderPass = VK_NULL_HANDLE;
}
}
void KRRenderPass::begin(VkCommandBuffer& commandBuffer, KRSurface& surface)
{
#if KRENGINE_DEBUG_GPU_LABELS
VkDebugUtilsLabelEXT debugLabel{};
debugLabel.sType = VK_STRUCTURE_TYPE_DEBUG_UTILS_LABEL_EXT;
debugLabel.color[0] = 0.0f;
debugLabel.color[1] = 0.0f;
debugLabel.color[2] = 0.0f;
debugLabel.color[3] = 0.0f;
debugLabel.pNext = nullptr;
debugLabel.pLabelName = m_info.debugLabel;
vkCmdBeginDebugUtilsLabelEXT(commandBuffer, &debugLabel);
#endif
int attachmentCount = 0;
std::array<VkClearValue, RENDER_PASS_ATTACHMENT_MAX_COUNT> clearValues{};
if (m_info.depthAttachment.id != 0) {
clearValues[attachmentCount] = m_info.depthAttachment.clearVaue;
attachmentCount++;
}
for(int i=0; i < RENDER_PASS_ATTACHMENT_MAX_COUNT; i++) {
if(m_info.colorAttachments[i].id != 0) {
clearValues[attachmentCount] = m_info.colorAttachments[i].clearVaue;
attachmentCount++;
}
}
VkRenderPassBeginInfo renderPassInfo{};
renderPassInfo.sType = VK_STRUCTURE_TYPE_RENDER_PASS_BEGIN_INFO;
renderPassInfo.renderPass = m_renderPass;
renderPassInfo.framebuffer = surface.m_swapChain->m_framebuffers[surface.m_frameIndex % surface.m_swapChain->m_framebuffers.size()];
renderPassInfo.renderArea.offset = { 0, 0 };
renderPassInfo.renderArea.extent = surface.m_swapChain->m_extent;
renderPassInfo.clearValueCount = attachmentCount;
renderPassInfo.pClearValues = clearValues.data();
vkCmdBeginRenderPass(commandBuffer, &renderPassInfo, VK_SUBPASS_CONTENTS_INLINE);
}
void KRRenderPass::end(VkCommandBuffer& commandBuffer)
{
vkCmdEndRenderPass(commandBuffer);
#if KRENGINE_DEBUG_GPU_LABELS
vkCmdEndDebugUtilsLabelEXT(commandBuffer);
#endif
}
RenderPassType KRRenderPass::getType() const
{
return m_info.type;
}
bool KRRenderPass::isFinal() const
{
return m_info.finalPass;
}