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https://git.eden-emu.dev/archive/citron
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nvnflinger/gpu: implement layer stack composition
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@@ -7,6 +7,20 @@
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namespace Vulkan {
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vk::Buffer CreateWrappedBuffer(MemoryAllocator& allocator, VkDeviceSize size, MemoryUsage usage) {
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const VkBufferCreateInfo dst_buffer_info{
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.sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO,
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.pNext = nullptr,
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.flags = 0,
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.size = size,
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.usage = VK_BUFFER_USAGE_TRANSFER_SRC_BIT | VK_BUFFER_USAGE_TRANSFER_DST_BIT,
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.sharingMode = VK_SHARING_MODE_EXCLUSIVE,
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.queueFamilyIndexCount = 0,
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.pQueueFamilyIndices = nullptr,
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};
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return allocator.CreateBuffer(dst_buffer_info, usage);
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}
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vk::Image CreateWrappedImage(MemoryAllocator& allocator, VkExtent2D dimensions, VkFormat format) {
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const VkImageCreateInfo image_ci{
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.sType = VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO,
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@@ -96,6 +110,70 @@ void UploadImage(const Device& device, MemoryAllocator& allocator, Scheduler& sc
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scheduler.Finish();
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}
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void DownloadColorImage(vk::CommandBuffer& cmdbuf, VkImage image, VkBuffer buffer,
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VkExtent3D extent) {
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const VkImageMemoryBarrier read_barrier{
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.sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER,
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.pNext = nullptr,
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.srcAccessMask = VK_ACCESS_MEMORY_WRITE_BIT,
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.dstAccessMask = VK_ACCESS_TRANSFER_READ_BIT,
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.oldLayout = VK_IMAGE_LAYOUT_GENERAL,
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.newLayout = VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL,
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.srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED,
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.dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED,
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.image = image,
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.subresourceRange{
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.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT,
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.baseMipLevel = 0,
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.levelCount = VK_REMAINING_MIP_LEVELS,
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.baseArrayLayer = 0,
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.layerCount = VK_REMAINING_ARRAY_LAYERS,
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},
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};
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const VkImageMemoryBarrier image_write_barrier{
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.sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER,
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.pNext = nullptr,
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.srcAccessMask = 0,
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.dstAccessMask = VK_ACCESS_MEMORY_WRITE_BIT,
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.oldLayout = VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL,
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.newLayout = VK_IMAGE_LAYOUT_GENERAL,
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.srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED,
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.dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED,
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.image = image,
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.subresourceRange{
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.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT,
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.baseMipLevel = 0,
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.levelCount = VK_REMAINING_MIP_LEVELS,
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.baseArrayLayer = 0,
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.layerCount = VK_REMAINING_ARRAY_LAYERS,
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},
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};
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static constexpr VkMemoryBarrier memory_write_barrier{
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.sType = VK_STRUCTURE_TYPE_MEMORY_BARRIER,
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.pNext = nullptr,
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.srcAccessMask = VK_ACCESS_MEMORY_WRITE_BIT,
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.dstAccessMask = VK_ACCESS_MEMORY_READ_BIT | VK_ACCESS_MEMORY_WRITE_BIT,
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};
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const VkBufferImageCopy copy{
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.bufferOffset = 0,
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.bufferRowLength = 0,
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.bufferImageHeight = 0,
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.imageSubresource{
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.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT,
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.mipLevel = 0,
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.baseArrayLayer = 0,
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.layerCount = 1,
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},
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.imageOffset{.x = 0, .y = 0, .z = 0},
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.imageExtent{extent},
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};
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cmdbuf.PipelineBarrier(VK_PIPELINE_STAGE_ALL_COMMANDS_BIT, VK_PIPELINE_STAGE_TRANSFER_BIT, 0,
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read_barrier);
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cmdbuf.CopyImageToBuffer(image, VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL, buffer, copy);
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cmdbuf.PipelineBarrier(VK_PIPELINE_STAGE_TRANSFER_BIT, VK_PIPELINE_STAGE_ALL_COMMANDS_BIT, 0,
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memory_write_barrier, nullptr, image_write_barrier);
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}
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vk::ImageView CreateWrappedImageView(const Device& device, vk::Image& image, VkFormat format) {
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return device.GetLogical().CreateImageView(VkImageViewCreateInfo{
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.sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO,
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@@ -11,12 +11,16 @@ namespace Vulkan {
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#define ARRAY_TO_SPAN(a) std::span(a, (sizeof(a) / sizeof(a[0])))
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vk::Buffer CreateWrappedBuffer(MemoryAllocator& allocator, VkDeviceSize size, MemoryUsage usage);
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vk::Image CreateWrappedImage(MemoryAllocator& allocator, VkExtent2D dimensions, VkFormat format);
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void TransitionImageLayout(vk::CommandBuffer& cmdbuf, VkImage image, VkImageLayout target_layout,
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VkImageLayout source_layout = VK_IMAGE_LAYOUT_GENERAL);
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void UploadImage(const Device& device, MemoryAllocator& allocator, Scheduler& scheduler,
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vk::Image& image, VkExtent2D dimensions, VkFormat format,
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std::span<const u8> initial_contents = {});
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void DownloadColorImage(vk::CommandBuffer& cmdbuf, VkImage image, VkBuffer buffer,
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VkExtent3D extent);
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void ClearColorImage(vk::CommandBuffer& cmdbuf, VkImage image);
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vk::ImageView CreateWrappedImageView(const Device& device, vk::Image& image, VkFormat format);
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