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MacroLibX/src/renderer/swapchain/vk_render_pass.cpp

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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* vk_render_pass.cpp :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: maldavid <kbz_8.dev@akel-engine.com> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2022/10/06 18:21:36 by maldavid #+# #+# */
/* Updated: 2023/11/08 20:37:32 by maldavid ### ########.fr */
/* */
/* ************************************************************************** */
#include "vk_render_pass.h"
#include <renderer/core/render_core.h>
#include <renderer/renderer.h>
namespace mlx
{
static const VkClearValue clearColor = { 0.0f, 0.0f, 0.0f, 1.0f };
void RenderPass::init(Renderer* renderer)
{
_renderer = renderer;
VkAttachmentDescription colorAttachment{};
colorAttachment.format = renderer->getSwapChain()._swapChainImageFormat;
colorAttachment.samples = VK_SAMPLE_COUNT_1_BIT;
colorAttachment.loadOp = VK_ATTACHMENT_LOAD_OP_CLEAR;
colorAttachment.storeOp = VK_ATTACHMENT_STORE_OP_STORE;
colorAttachment.stencilLoadOp = VK_ATTACHMENT_LOAD_OP_DONT_CARE;
colorAttachment.stencilStoreOp = VK_ATTACHMENT_STORE_OP_DONT_CARE;
colorAttachment.initialLayout = VK_IMAGE_LAYOUT_UNDEFINED;
colorAttachment.finalLayout = VK_IMAGE_LAYOUT_PRESENT_SRC_KHR;
VkAttachmentReference colorAttachmentRef{};
colorAttachmentRef.attachment = 0;
colorAttachmentRef.layout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL;
VkSubpassDescription subpass{};
subpass.pipelineBindPoint = VK_PIPELINE_BIND_POINT_GRAPHICS;
subpass.colorAttachmentCount = 1;
subpass.pColorAttachments = &colorAttachmentRef;
VkRenderPassCreateInfo renderPassInfo{};
renderPassInfo.sType = VK_STRUCTURE_TYPE_RENDER_PASS_CREATE_INFO;
renderPassInfo.attachmentCount = 1;
renderPassInfo.pAttachments = &colorAttachment;
renderPassInfo.subpassCount = 1;
renderPassInfo.pSubpasses = &subpass;
if(vkCreateRenderPass(Render_Core::get().getDevice().get(), &renderPassInfo, nullptr, &_renderPass) != VK_SUCCESS)
core::error::report(e_kind::fatal_error, "Vulkan : failed to create render pass");
#ifdef DEBUG
core::error::report(e_kind::message, "Vulkan : created new render pass");
#endif
}
void RenderPass::begin()
{
if(_is_running)
return;
VkRenderPassBeginInfo renderPassInfo{};
renderPassInfo.sType = VK_STRUCTURE_TYPE_RENDER_PASS_BEGIN_INFO;
renderPassInfo.renderPass = _renderPass;
renderPassInfo.framebuffer = _renderer->getSwapChain()._framebuffers[_renderer->getImageIndex()].get();
renderPassInfo.renderArea.offset = { 0, 0 };
renderPassInfo.renderArea.extent = _renderer->getSwapChain()._swapChainExtent;
renderPassInfo.clearValueCount = 1;
renderPassInfo.pClearValues = &clearColor;
vkCmdBeginRenderPass(_renderer->getActiveCmdBuffer().get(), &renderPassInfo, VK_SUBPASS_CONTENTS_INLINE);
_is_running = true;
}
void RenderPass::end()
{
if(!_is_running)
return;
vkCmdEndRenderPass(_renderer->getActiveCmdBuffer().get());
_is_running = false;
}
void RenderPass::destroy() noexcept
{
vkDestroyRenderPass(Render_Core::get().getDevice().get(), _renderPass, nullptr);
}
}