Files
MacroLibX/src/renderer/renderpass/vk_render_pass.cpp
2024-01-03 15:15:38 +01:00

114 lines
4.9 KiB
C++

/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* vk_render_pass.cpp :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: maldavid <kbz_8.dev@akel-engine.com> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2022/10/06 18:21:36 by maldavid #+# #+# */
/* Updated: 2024/01/03 13:17:56 by maldavid ### ########.fr */
/* */
/* ************************************************************************** */
#include "vk_render_pass.h"
#include <renderer/core/render_core.h>
#include <renderer/renderer.h>
#include <renderer/renderpass/vk_framebuffer.h>
namespace mlx
{
static const VkClearValue clearColor = {{{ 0.0f, 0.0f, 0.0f, 1.0f }}}; // wtf, this mess to satisfy a warning
void RenderPass::init(VkFormat attachement_format, VkImageLayout layout)
{
VkAttachmentDescription colorAttachment{};
colorAttachment.format = attachement_format;
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 = layout;
VkAttachmentReference colorAttachmentRef{};
colorAttachmentRef.attachment = 0;
colorAttachmentRef.layout = (layout == VK_IMAGE_LAYOUT_PRESENT_SRC_KHR ? VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL : layout);
VkSubpassDescription subpass1{};
subpass1.pipelineBindPoint = VK_PIPELINE_BIND_POINT_GRAPHICS;
subpass1.colorAttachmentCount = 1;
subpass1.pColorAttachments = &colorAttachmentRef;
VkSubpassDescription subpasses[] = { subpass1 };
std::vector<VkSubpassDependency> subpassesDeps;
subpassesDeps.emplace_back();
subpassesDeps.back().srcSubpass = VK_SUBPASS_EXTERNAL;
subpassesDeps.back().dstSubpass = 0;
subpassesDeps.back().srcStageMask = VK_PIPELINE_STAGE_BOTTOM_OF_PIPE_BIT;
subpassesDeps.back().dstStageMask = VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT;
subpassesDeps.back().srcAccessMask = VK_ACCESS_MEMORY_READ_BIT;
subpassesDeps.back().dstAccessMask = VK_ACCESS_COLOR_ATTACHMENT_READ_BIT | VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT;
subpassesDeps.back().dependencyFlags = VK_DEPENDENCY_BY_REGION_BIT;
subpassesDeps.emplace_back();
subpassesDeps.back().srcSubpass = 0;
subpassesDeps.back().dstSubpass = VK_SUBPASS_EXTERNAL;
subpassesDeps.back().srcStageMask = VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT;
subpassesDeps.back().dstStageMask = VK_PIPELINE_STAGE_BOTTOM_OF_PIPE_BIT;
subpassesDeps.back().srcAccessMask = VK_ACCESS_COLOR_ATTACHMENT_READ_BIT | VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT;
subpassesDeps.back().dstAccessMask = VK_ACCESS_MEMORY_READ_BIT;
subpassesDeps.back().dependencyFlags = VK_DEPENDENCY_BY_REGION_BIT;
VkRenderPassCreateInfo renderPassInfo{};
renderPassInfo.sType = VK_STRUCTURE_TYPE_RENDER_PASS_CREATE_INFO;
renderPassInfo.attachmentCount = 1;
renderPassInfo.pAttachments = &colorAttachment;
renderPassInfo.subpassCount = sizeof(subpasses) / sizeof(VkSubpassDescription);
renderPassInfo.pSubpasses = subpasses;
renderPassInfo.dependencyCount = static_cast<uint32_t>(subpassesDeps.size());
renderPassInfo.pDependencies = subpassesDeps.data();
VkResult res = vkCreateRenderPass(Render_Core::get().getDevice().get(), &renderPassInfo, nullptr, &_renderPass);
if(res != VK_SUCCESS)
core::error::report(e_kind::fatal_error, "Vulkan : failed to create render pass, %s", RCore::verbaliseResultVk(res));
#ifdef DEBUG
core::error::report(e_kind::message, "Vulkan : created new render pass");
#endif
}
void RenderPass::begin(class CmdBuffer& cmd, class FrameBuffer& fb)
{
if(_is_running)
return;
VkRenderPassBeginInfo renderPassInfo{};
renderPassInfo.sType = VK_STRUCTURE_TYPE_RENDER_PASS_BEGIN_INFO;
renderPassInfo.renderPass = _renderPass;
renderPassInfo.framebuffer = fb.get();
renderPassInfo.renderArea.offset = { 0, 0 };
renderPassInfo.renderArea.extent = { fb.getWidth(), fb.getHeight() };
renderPassInfo.clearValueCount = 1;
renderPassInfo.pClearValues = &clearColor;
vkCmdBeginRenderPass(cmd.get(), &renderPassInfo, VK_SUBPASS_CONTENTS_INLINE);
_is_running = true;
}
void RenderPass::end(class CmdBuffer& cmd)
{
if(!_is_running)
return;
vkCmdEndRenderPass(cmd.get());
_is_running = false;
}
void RenderPass::destroy() noexcept
{
vkDestroyRenderPass(Render_Core::get().getDevice().get(), _renderPass, nullptr);
_renderPass = VK_NULL_HANDLE;
}
}