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