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// Copyright 2018 yuzu Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <memory>
#include <vector>
#include "common/assert.h"
#include "video_core/renderer_vulkan/declarations.h"
#include "video_core/renderer_vulkan/vk_device.h"
#include "video_core/renderer_vulkan/vk_image.h"
#include "video_core/renderer_vulkan/vk_scheduler.h"
namespace Vulkan {
VKImage::VKImage(const VKDevice& device, VKScheduler& scheduler,
const vk::ImageCreateInfo& image_ci, vk::ImageAspectFlags aspect_mask)
: device{device}, scheduler{scheduler}, format{image_ci.format}, aspect_mask{aspect_mask},
image_num_layers{image_ci.arrayLayers}, image_num_levels{image_ci.mipLevels} {
UNIMPLEMENTED_IF_MSG(image_ci.queueFamilyIndexCount != 0,
"Queue family tracking is not implemented");
const auto dev = device.GetLogical();
image = dev.createImageUnique(image_ci, nullptr, device.GetDispatchLoader());
const u32 num_ranges = image_num_layers * image_num_levels;
barriers.resize(num_ranges);
subrange_states.resize(num_ranges, {{}, image_ci.initialLayout});
}
VKImage::~VKImage() = default;
void VKImage::Transition(u32 base_layer, u32 num_layers, u32 base_level, u32 num_levels,
vk::PipelineStageFlags new_stage_mask, vk::AccessFlags new_access,
vk::ImageLayout new_layout) {
if (!HasChanged(base_layer, num_layers, base_level, num_levels, new_access, new_layout)) {
return;
}
std::size_t cursor = 0;
for (u32 layer_it = 0; layer_it < num_layers; ++layer_it) {
for (u32 level_it = 0; level_it < num_levels; ++level_it, ++cursor) {
const u32 layer = base_layer + layer_it;
const u32 level = base_level + level_it;
auto& state = GetSubrangeState(layer, level);
barriers[cursor] = vk::ImageMemoryBarrier(
state.access, new_access, state.layout, new_layout, VK_QUEUE_FAMILY_IGNORED,
VK_QUEUE_FAMILY_IGNORED, *image, {aspect_mask, level, 1, layer, 1});
state.access = new_access;
state.layout = new_layout;
}
}
scheduler.RequestOutsideRenderPassOperationContext();
scheduler.Record([barriers = barriers, cursor](auto cmdbuf, auto& dld) {
// TODO(Rodrigo): Implement a way to use the latest stage across subresources.
constexpr auto stage_stub = vk::PipelineStageFlagBits::eAllCommands;
cmdbuf.pipelineBarrier(stage_stub, stage_stub, {}, 0, nullptr, 0, nullptr,
static_cast<u32>(cursor), barriers.data(), dld);
});
}
bool VKImage::HasChanged(u32 base_layer, u32 num_layers, u32 base_level, u32 num_levels,
vk::AccessFlags new_access, vk::ImageLayout new_layout) noexcept {
const bool is_full_range = base_layer == 0 && num_layers == image_num_layers &&
base_level == 0 && num_levels == image_num_levels;
if (!is_full_range) {
state_diverged = true;
}
if (!state_diverged) {
auto& state = GetSubrangeState(0, 0);
if (state.access != new_access || state.layout != new_layout) {
return true;
}
}
for (u32 layer_it = 0; layer_it < num_layers; ++layer_it) {
for (u32 level_it = 0; level_it < num_levels; ++level_it) {
const u32 layer = base_layer + layer_it;
const u32 level = base_level + level_it;
auto& state = GetSubrangeState(layer, level);
if (state.access != new_access || state.layout != new_layout) {
return true;
}
}
}
return false;
}
void VKImage::CreatePresentView() {
// Image type has to be 2D to be presented.
const vk::ImageViewCreateInfo image_view_ci({}, *image, vk::ImageViewType::e2D, format, {},
{aspect_mask, 0, 1, 0, 1});
const auto dev = device.GetLogical();
const auto& dld = device.GetDispatchLoader();
present_view = dev.createImageViewUnique(image_view_ci, nullptr, dld);
}
VKImage::SubrangeState& VKImage::GetSubrangeState(u32 layer, u32 level) noexcept {
return subrange_states[static_cast<std::size_t>(layer * image_num_levels) +
static_cast<std::size_t>(level)];
}
} // namespace Vulkan
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