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// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
// SPDX-License-Identifier: GPL-3.0-or-later
// SPDX-FileCopyrightText: Copyright 2024 Torzu Emulator Project
// SPDX-License-Identifier: GPL-3.0-or-later
// SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#include <vulkan/vulkan_core.h>
#include "common/settings.h"
#include "video_core/framebuffer_config.h"
#include "video_core/present.h"
#include "video_core/renderer_vulkan/present/filters.h"
#include "video_core/renderer_vulkan/present/layer.h"
#include "video_core/renderer_vulkan/vk_blit_screen.h"
#include "video_core/renderer_vulkan/vk_present_manager.h"
#include "video_core/renderer_vulkan/vk_scheduler.h"
namespace Vulkan {
BlitScreen::BlitScreen(Tegra::MaxwellDeviceMemoryManager& device_memory_, const Device& device_, MemoryAllocator& memory_allocator_, PresentManager& present_manager_, Scheduler& scheduler_, const PresentFilters& filters_)
: device_memory{device_memory_}
, memory_allocator{memory_allocator_}
, present_manager{present_manager_}
, scheduler{scheduler_}
, filters{filters_}
, image_count{1}
, image_index{0}
, swapchain_view_format{VK_FORMAT_B8G8R8A8_UNORM}
{}
BlitScreen::~BlitScreen() = default;
void BlitScreen::WaitIdle(const Device& device) {
present_manager.WaitPresent();
scheduler.Finish();
device.GetLogical().WaitIdle();
}
void BlitScreen::SetWindowAdaptPass(const Device& device) {
layers.clear();
scaling_filter = filters.get_scaling_filter();
switch (scaling_filter) {
case Settings::ScalingFilter::NearestNeighbor:
window_adapt = MakeNearestNeighbor(device, swapchain_view_format);
break;
case Settings::ScalingFilter::Bicubic:
window_adapt = MakeBicubic(device, swapchain_view_format, VK_CUBIC_FILTER_WEIGHTS_CATMULL_ROM_QCOM);
break;
case Settings::ScalingFilter::ZeroTangent:
window_adapt = MakeBicubic(device, swapchain_view_format, VK_CUBIC_FILTER_WEIGHTS_ZERO_TANGENT_CARDINAL_QCOM);
break;
case Settings::ScalingFilter::BSpline:
window_adapt = MakeBicubic(device, swapchain_view_format, VK_CUBIC_FILTER_WEIGHTS_B_SPLINE_QCOM);
break;
case Settings::ScalingFilter::Mitchell:
window_adapt = MakeBicubic(device, swapchain_view_format, VK_CUBIC_FILTER_WEIGHTS_MITCHELL_NETRAVALI_QCOM);
break;
case Settings::ScalingFilter::Spline1:
window_adapt = MakeSpline1(device, swapchain_view_format);
break;
case Settings::ScalingFilter::Gaussian:
window_adapt = MakeGaussian(device, swapchain_view_format);
break;
case Settings::ScalingFilter::Lanczos:
window_adapt = MakeLanczos(device, swapchain_view_format);
break;
case Settings::ScalingFilter::ScaleForce:
window_adapt = MakeScaleForce(device, swapchain_view_format);
break;
case Settings::ScalingFilter::Area:
window_adapt = MakeArea(device, swapchain_view_format);
break;
case Settings::ScalingFilter::Mmpx:
window_adapt = MakeMmpx(device, swapchain_view_format);
break;
case Settings::ScalingFilter::Fsr:
case Settings::ScalingFilter::Fsr3:
case Settings::ScalingFilter::Sgsr:
case Settings::ScalingFilter::SgsrEdge:
case Settings::ScalingFilter::Bilinear:
default:
window_adapt = MakeBilinear(device, swapchain_view_format);
break;
}
}
void BlitScreen::PrepareFrame(const Device& device, Frame* frame,
const Layout::FramebufferLayout& layout) {
if (!window_adapt) {
return;
}
if (frame->width != layout.width || frame->height != layout.height) {
WaitIdle(device);
} else if (!present_manager.NeedsStorage(frame, true)) {
return;
}
present_manager.RecreateFrame(frame, layout.width, layout.height, swapchain_view_format,
window_adapt->GetRenderPass(), true);
}
void BlitScreen::DrawToFrame(const Device& device, RasterizerVulkan& rasterizer, Frame* frame,
std::span<const Tegra::FramebufferConfig> framebuffers,
const Layout::FramebufferLayout& layout,
size_t current_swapchain_image_count,
VkFormat current_swapchain_view_format) {
bool resource_update_required = false;
bool presentation_recreate_required = false;
if (!window_adapt || scaling_filter != filters.get_scaling_filter()) {
resource_update_required = true;
}
if (image_count != current_swapchain_image_count) {
resource_update_required = true;
image_count = current_swapchain_image_count;
}
if (swapchain_view_format != current_swapchain_view_format ||
layout.width != frame->width || layout.height != frame->height) {
resource_update_required = true;
presentation_recreate_required = true;
swapchain_view_format = current_swapchain_view_format;
}
const bool storage_required = Settings::values.frame_gen.GetValue();
if (resource_update_required) {
WaitIdle(device);
SetWindowAdaptPass(device);
if (presentation_recreate_required) {
present_manager.RecreateFrame(frame, layout.width, layout.height, swapchain_view_format,
window_adapt->GetRenderPass(), storage_required);
}
image_index = 0;
} else if (present_manager.NeedsStorage(frame, storage_required)) {
present_manager.RecreateFrame(frame, layout.width, layout.height, swapchain_view_format,
window_adapt->GetRenderPass(), true);
}
const VkExtent2D window_size{
.width = layout.screen.GetWidth(),
.height = layout.screen.GetHeight(),
};
if (layers.size() != framebuffers.size()) {
layers.clear();
for (size_t i = 0; i < framebuffers.size(); ++i) {
layers.emplace_back(device, memory_allocator, scheduler, device_memory, image_count,
window_size, window_adapt->GetDescriptorSetLayout(), filters);
}
}
window_adapt->Draw(device, rasterizer, scheduler, image_index, layers, framebuffers, layout, frame);
if (++image_index >= image_count) {
image_index = 0;
}
}
vk::Framebuffer BlitScreen::CreateFramebuffer(const Device& device, const Layout::FramebufferLayout& layout,
VkImageView image_view,
VkFormat current_view_format) {
bool format_updated = swapchain_view_format != current_view_format;
swapchain_view_format = current_view_format;
if (!window_adapt || scaling_filter != filters.get_scaling_filter() || format_updated) {
WaitIdle(device);
SetWindowAdaptPass(device);
image_index = 0;
}
const VkExtent2D extent{
.width = layout.width,
.height = layout.height,
};
return CreateFramebuffer(device, image_view, extent, window_adapt->GetRenderPass());
}
vk::Framebuffer BlitScreen::CreateFramebuffer(const Device& device, const VkImageView& image_view, VkExtent2D extent,
VkRenderPass render_pass) {
return device.GetLogical().CreateFramebuffer(VkFramebufferCreateInfo{
.sType = VK_STRUCTURE_TYPE_FRAMEBUFFER_CREATE_INFO,
.pNext = nullptr,
.flags = 0,
.renderPass = render_pass,
.attachmentCount = 1,
.pAttachments = &image_view,
.width = extent.width,
.height = extent.height,
.layers = 1,
});
}
} // namespace Vulkan
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