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Copy pathVulkanTextureBuffer.cpp
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164 lines (142 loc) · 5.8 KB
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#include "pch.h"
#include "VulkanTextureBuffer.h"
#include "VulkanRenderer.h"
#include "VulkanImpl/VulkanBuffer.h"
#include "VulkanImpl/VulkanFramebuffer.h"
namespace sh::render::vk
{
VulkanTextureBuffer::VulkanTextureBuffer() :
isRenderTexture(false), framebuffer(nullptr)
{
}
VulkanTextureBuffer::VulkanTextureBuffer(VulkanTextureBuffer&& other) noexcept :
buffer(std::move(other.buffer)), cmd(std::move(other.cmd)),
isRenderTexture(other.isRenderTexture), framebuffer(other.framebuffer)
{
other.framebuffer = nullptr;
}
VulkanTextureBuffer::~VulkanTextureBuffer()
{
}
void VulkanTextureBuffer::Clean()
{
isRenderTexture = false;
buffer.reset();
cmd.reset();
framebuffer = nullptr;
}
void VulkanTextureBuffer::CopyBufferToImage(VkQueue queue, VkBuffer buffer, VkImage image, uint32_t width, uint32_t height)
{
VkBufferImageCopy region{};
region.bufferOffset = 0;
region.bufferRowLength = 0;
region.bufferImageHeight = 0;
region.imageSubresource.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
region.imageSubresource.mipLevel = 0;
region.imageSubresource.baseArrayLayer = 0;
region.imageSubresource.layerCount = 1;
region.imageOffset = { 0, 0, 0 };
region.imageExtent =
{
width,
height,
1
};
VkCommandBufferBeginInfo beginInfo{};
beginInfo.sType = VkStructureType::VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO;
beginInfo.flags = VkCommandBufferUsageFlagBits::VK_COMMAND_BUFFER_USAGE_ONE_TIME_SUBMIT_BIT;
cmd->Submit(queue, [&]()
{
vkCmdCopyBufferToImage(cmd->GetCommandBuffer(), buffer, image, VkImageLayout::VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL, 1, ®ion);
},
&beginInfo);
}
void VulkanTextureBuffer::TransitionImageLayout(VkQueue queue, VkImage image, VkFormat format, VkImageLayout oldLayout, VkImageLayout newLayout)
{
VkImageMemoryBarrier barrier{};
barrier.sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER;
barrier.oldLayout = oldLayout;
barrier.newLayout = newLayout;
barrier.srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED;
barrier.dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED;
barrier.image = buffer->GetImage();
barrier.subresourceRange.aspectMask = VkImageAspectFlagBits::VK_IMAGE_ASPECT_COLOR_BIT;
barrier.subresourceRange.baseMipLevel = 0;
barrier.subresourceRange.levelCount = 1;
barrier.subresourceRange.baseArrayLayer = 0;
barrier.subresourceRange.layerCount = 1;
barrier.srcAccessMask = 0; // TODO
barrier.dstAccessMask = 0; // TODO
VkPipelineStageFlags sourceStage;
VkPipelineStageFlags destinationStage;
if (oldLayout == VkImageLayout::VK_IMAGE_LAYOUT_UNDEFINED && newLayout == VkImageLayout::VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL) {
barrier.srcAccessMask = 0;
barrier.dstAccessMask = VkAccessFlagBits::VK_ACCESS_TRANSFER_WRITE_BIT;
sourceStage = VkPipelineStageFlagBits::VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT;
destinationStage = VkPipelineStageFlagBits::VK_PIPELINE_STAGE_TRANSFER_BIT;
}
else if (oldLayout == VkImageLayout::VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL && newLayout == VkImageLayout::VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL) {
barrier.srcAccessMask = VkAccessFlagBits::VK_ACCESS_TRANSFER_WRITE_BIT;
barrier.dstAccessMask = VkAccessFlagBits::VK_ACCESS_SHADER_READ_BIT;
sourceStage = VkPipelineStageFlagBits::VK_PIPELINE_STAGE_TRANSFER_BIT;
destinationStage = VkPipelineStageFlagBits::VK_PIPELINE_STAGE_FRAGMENT_SHADER_BIT;
}
else {
throw std::invalid_argument("unsupported layout transition!");
}
VkCommandBufferBeginInfo beginInfo{};
beginInfo.sType = VkStructureType::VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO;
beginInfo.flags = VkCommandBufferUsageFlagBits::VK_COMMAND_BUFFER_USAGE_ONE_TIME_SUBMIT_BIT;
cmd->Submit(queue, [&]()
{
vkCmdPipelineBarrier(
cmd->GetCommandBuffer(),
sourceStage, destinationStage,
0,
0, nullptr,
0, nullptr,
1, &barrier
);
},
&beginInfo);
}
void VulkanTextureBuffer::Create(const Renderer& renderer, const void* data, uint32_t width, uint32_t height, Texture::TextureFormat format)
{
isRenderTexture = false;
const VulkanRenderer& vkRenderer = static_cast<const VulkanRenderer&>(renderer);
buffer = std::make_unique<VulkanImageBuffer>(vkRenderer.GetDevice(), vkRenderer.GetGPU(), vkRenderer.GetAllocator());
VkFormat vkformat = VkFormat::VK_FORMAT_R8G8B8A8_SRGB;
size_t size = width * height * 4;
buffer->Create(width, height, vkformat,
VkImageUsageFlagBits::VK_IMAGE_USAGE_TRANSFER_DST_BIT | VkImageUsageFlagBits::VK_IMAGE_USAGE_SAMPLED_BIT);
VulkanBuffer stagingBuffer{ vkRenderer.GetDevice(), vkRenderer.GetGPU(), vkRenderer.GetAllocator() };
stagingBuffer.Create(size,
VkBufferUsageFlagBits::VK_BUFFER_USAGE_TRANSFER_SRC_BIT,
VkSharingMode::VK_SHARING_MODE_EXCLUSIVE,
VkMemoryPropertyFlagBits::VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VkMemoryPropertyFlagBits::VK_MEMORY_PROPERTY_HOST_COHERENT_BIT);
stagingBuffer.SetData(data);
cmd = std::make_unique<VulkanCommandBuffer>(vkRenderer.GetDevice(), vkRenderer.GetCommandPool(core::ThreadType::Game));
cmd->Create();
TransitionImageLayout(vkRenderer.GetGraphicsQueue(), buffer->GetImage(),
vkformat,
VkImageLayout::VK_IMAGE_LAYOUT_UNDEFINED,
VkImageLayout::VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL);
CopyBufferToImage(vkRenderer.GetGraphicsQueue(), stagingBuffer.GetBuffer(), buffer->GetImage(), width, height);
TransitionImageLayout(vkRenderer.GetGraphicsQueue(), buffer->GetImage(),
vkformat,
VkImageLayout::VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
VkImageLayout::VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL);
}
void VulkanTextureBuffer::Create(const Framebuffer& framebuffer)
{
isRenderTexture = true;
this->framebuffer = &framebuffer;
}
auto VulkanTextureBuffer::GetImageBuffer() const -> VulkanImageBuffer*
{
if(!isRenderTexture)
return buffer.get();
else
return static_cast<const VulkanFramebuffer*>(framebuffer)->GetColorImg();
}
}