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thejerf--baijiSteamVR/Source/Core/VideoBackends/Vulkan/ObjectCache.cpp
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// Copyright 2016 Dolphin Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#include "VideoBackends/Vulkan/ObjectCache.h"
#include <algorithm>
#include <array>
#include <cmath>
#include <type_traits>
#include "Common/FileUtil.h"
#include "Common/LinearDiskCache.h"
#include "Common/Logging/Log.h"
#include "Common/MsgHandler.h"
#include "VideoBackends/Vulkan/CommandBufferManager.h"
#include "VideoBackends/Vulkan/VKStreamBuffer.h"
#include "VideoBackends/Vulkan/VKTexture.h"
#include "VideoBackends/Vulkan/VulkanContext.h"
#include "VideoCommon/Constants.h"
#include "VideoCommon/VideoCommon.h"
namespace Vulkan
{
std::unique_ptr<ObjectCache> g_object_cache;
ObjectCache::ObjectCache() = default;
ObjectCache::~ObjectCache()
{
DestroyEFBFragmentDensityMap();
DestroyPipelineCache();
DestroySamplers();
DestroyPipelineLayouts();
DestroyDescriptorSetLayouts();
DestroyRenderPassCache();
m_dummy_texture.reset();
}
bool ObjectCache::Initialize()
{
if (!CreateDescriptorSetLayouts())
return false;
if (!CreatePipelineLayouts())
return false;
if (!CreateStaticSamplers())
return false;
m_texture_upload_buffer =
StreamBuffer::Create(VK_BUFFER_USAGE_TRANSFER_SRC_BIT, TEXTURE_UPLOAD_BUFFER_SIZE);
if (!m_texture_upload_buffer)
{
PanicAlertFmt("Failed to create texture upload buffer");
return false;
}
if (g_ActiveConfig.bShaderCache)
{
if (!LoadPipelineCache())
return false;
}
else
{
if (!CreatePipelineCache())
return false;
}
return true;
}
void ObjectCache::Shutdown()
{
if (g_ActiveConfig.bShaderCache && m_pipeline_cache != VK_NULL_HANDLE)
SavePipelineCache();
}
void ObjectCache::ClearSamplerCache()
{
for (const auto& it : m_sampler_cache)
{
if (it.second != VK_NULL_HANDLE)
vkDestroySampler(g_vulkan_context->GetDevice(), it.second, nullptr);
}
m_sampler_cache.clear();
}
void ObjectCache::DestroySamplers()
{
ClearSamplerCache();
if (m_point_sampler != VK_NULL_HANDLE)
{
vkDestroySampler(g_vulkan_context->GetDevice(), m_point_sampler, nullptr);
m_point_sampler = VK_NULL_HANDLE;
}
if (m_linear_sampler != VK_NULL_HANDLE)
{
vkDestroySampler(g_vulkan_context->GetDevice(), m_linear_sampler, nullptr);
m_linear_sampler = VK_NULL_HANDLE;
}
}
bool ObjectCache::CreateDescriptorSetLayouts()
{
// The geometry shader buffer must be last in this binding set, as we don't include it
// if geometry shaders are not supported by the device. See the decrement below.
static const std::array<VkDescriptorSetLayoutBinding, 4> standard_ubo_bindings{{
{UBO_DESCRIPTOR_SET_BINDING_PS, VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER_DYNAMIC, 1,
VK_SHADER_STAGE_FRAGMENT_BIT},
{UBO_DESCRIPTOR_SET_BINDING_VS, VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER_DYNAMIC, 1,
VK_SHADER_STAGE_VERTEX_BIT | VK_SHADER_STAGE_FRAGMENT_BIT},
{UBO_DESCRIPTOR_SET_BINDING_CUST, VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER_DYNAMIC, 1,
VK_SHADER_STAGE_VERTEX_BIT | VK_SHADER_STAGE_FRAGMENT_BIT},
{UBO_DESCRIPTOR_SET_BINDING_GS, VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER_DYNAMIC, 1,
VK_SHADER_STAGE_GEOMETRY_BIT},
}};
constexpr u32 MAX_PIXEL_SAMPLER_ARRAY_SIZE = 8;
constexpr u32 TOTAL_PIXEL_SAMPLER_BINDINGS =
1 + (VideoCommon::MAX_PIXEL_SHADER_SAMPLERS - MAX_PIXEL_SAMPLER_ARRAY_SIZE);
static_assert(VideoCommon::MAX_PIXEL_SHADER_SAMPLERS == 16, "Update descriptor sampler bindings");
static const std::array<VkDescriptorSetLayoutBinding, TOTAL_PIXEL_SAMPLER_BINDINGS>
standard_sampler_bindings{{
{0, VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, MAX_PIXEL_SAMPLER_ARRAY_SIZE,
VK_SHADER_STAGE_FRAGMENT_BIT},
{8, VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, 1, VK_SHADER_STAGE_FRAGMENT_BIT},
{9, VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, 1, VK_SHADER_STAGE_FRAGMENT_BIT},
{10, VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, 1, VK_SHADER_STAGE_FRAGMENT_BIT},
{11, VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, 1, VK_SHADER_STAGE_FRAGMENT_BIT},
{12, VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, 1, VK_SHADER_STAGE_FRAGMENT_BIT},
{13, VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, 1, VK_SHADER_STAGE_FRAGMENT_BIT},
{14, VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, 1, VK_SHADER_STAGE_FRAGMENT_BIT},
{15, VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, 1, VK_SHADER_STAGE_FRAGMENT_BIT},
}};
// The dynamic veretex loader's vertex buffer must be last here, for similar reasons
static const std::array<VkDescriptorSetLayoutBinding, 2> standard_ssbo_bindings{{
{0, VK_DESCRIPTOR_TYPE_STORAGE_BUFFER, 1, VK_SHADER_STAGE_FRAGMENT_BIT},
{1, VK_DESCRIPTOR_TYPE_STORAGE_BUFFER, 1, VK_SHADER_STAGE_VERTEX_BIT},
}};
static const std::array<VkDescriptorSetLayoutBinding, 1> utility_ubo_bindings{{
{0, VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER_DYNAMIC, 1,
VK_SHADER_STAGE_VERTEX_BIT | VK_SHADER_STAGE_GEOMETRY_BIT | VK_SHADER_STAGE_FRAGMENT_BIT},
}};
// Utility samplers aren't dynamically indexed.
static const std::array<VkDescriptorSetLayoutBinding, 9> utility_sampler_bindings{{
{0, VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, 1, VK_SHADER_STAGE_FRAGMENT_BIT},
{1, VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, 1, VK_SHADER_STAGE_FRAGMENT_BIT},
{2, VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, 1, VK_SHADER_STAGE_FRAGMENT_BIT},
{3, VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, 1, VK_SHADER_STAGE_FRAGMENT_BIT},
{4, VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, 1, VK_SHADER_STAGE_FRAGMENT_BIT},
{5, VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, 1, VK_SHADER_STAGE_FRAGMENT_BIT},
{6, VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, 1, VK_SHADER_STAGE_FRAGMENT_BIT},
{7, VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, 1, VK_SHADER_STAGE_FRAGMENT_BIT},
{8, VK_DESCRIPTOR_TYPE_UNIFORM_TEXEL_BUFFER, 1, VK_SHADER_STAGE_FRAGMENT_BIT},
}};
static const std::array<VkDescriptorSetLayoutBinding, 19> compute_set_bindings{{
{0, VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER_DYNAMIC, 1, VK_SHADER_STAGE_COMPUTE_BIT},
{1, VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, 1, VK_SHADER_STAGE_COMPUTE_BIT},
{2, VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, 1, VK_SHADER_STAGE_COMPUTE_BIT},
{3, VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, 1, VK_SHADER_STAGE_COMPUTE_BIT},
{4, VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, 1, VK_SHADER_STAGE_COMPUTE_BIT},
{5, VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, 1, VK_SHADER_STAGE_COMPUTE_BIT},
{6, VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, 1, VK_SHADER_STAGE_COMPUTE_BIT},
{7, VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, 1, VK_SHADER_STAGE_COMPUTE_BIT},
{8, VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, 1, VK_SHADER_STAGE_COMPUTE_BIT},
{9, VK_DESCRIPTOR_TYPE_UNIFORM_TEXEL_BUFFER, 1, VK_SHADER_STAGE_COMPUTE_BIT},
{10, VK_DESCRIPTOR_TYPE_UNIFORM_TEXEL_BUFFER, 1, VK_SHADER_STAGE_COMPUTE_BIT},
{11, VK_DESCRIPTOR_TYPE_STORAGE_IMAGE, 1, VK_SHADER_STAGE_COMPUTE_BIT},
{12, VK_DESCRIPTOR_TYPE_STORAGE_IMAGE, 1, VK_SHADER_STAGE_COMPUTE_BIT},
{13, VK_DESCRIPTOR_TYPE_STORAGE_IMAGE, 1, VK_SHADER_STAGE_COMPUTE_BIT},
{14, VK_DESCRIPTOR_TYPE_STORAGE_IMAGE, 1, VK_SHADER_STAGE_COMPUTE_BIT},
{15, VK_DESCRIPTOR_TYPE_STORAGE_IMAGE, 1, VK_SHADER_STAGE_COMPUTE_BIT},
{16, VK_DESCRIPTOR_TYPE_STORAGE_IMAGE, 1, VK_SHADER_STAGE_COMPUTE_BIT},
{17, VK_DESCRIPTOR_TYPE_STORAGE_IMAGE, 1, VK_SHADER_STAGE_COMPUTE_BIT},
{18, VK_DESCRIPTOR_TYPE_STORAGE_IMAGE, 1, VK_SHADER_STAGE_COMPUTE_BIT},
}};
std::array<VkDescriptorSetLayoutBinding, 4> ubo_bindings = standard_ubo_bindings;
std::array<VkDescriptorSetLayoutCreateInfo, NUM_DESCRIPTOR_SET_LAYOUTS> create_infos{{
{VK_STRUCTURE_TYPE_DESCRIPTOR_SET_LAYOUT_CREATE_INFO, nullptr, 0,
static_cast<u32>(ubo_bindings.size()), ubo_bindings.data()},
{VK_STRUCTURE_TYPE_DESCRIPTOR_SET_LAYOUT_CREATE_INFO, nullptr, 0,
static_cast<u32>(standard_sampler_bindings.size()), standard_sampler_bindings.data()},
{VK_STRUCTURE_TYPE_DESCRIPTOR_SET_LAYOUT_CREATE_INFO, nullptr, 0,
static_cast<u32>(standard_ssbo_bindings.size()), standard_ssbo_bindings.data()},
{VK_STRUCTURE_TYPE_DESCRIPTOR_SET_LAYOUT_CREATE_INFO, nullptr, 0,
static_cast<u32>(utility_ubo_bindings.size()), utility_ubo_bindings.data()},
{VK_STRUCTURE_TYPE_DESCRIPTOR_SET_LAYOUT_CREATE_INFO, nullptr, 0,
static_cast<u32>(utility_sampler_bindings.size()), utility_sampler_bindings.data()},
{VK_STRUCTURE_TYPE_DESCRIPTOR_SET_LAYOUT_CREATE_INFO, nullptr, 0,
static_cast<u32>(compute_set_bindings.size()), compute_set_bindings.data()},
}};
// The VS-readable GSBlock UBO is needed when:
// - VS-side line/point expansion is in use (no GS), or
// - VK_KHR_multiview VR is in use (VS does per-eye projection via gl_ViewIndex).
const bool vs_needs_gs_ubo =
g_ActiveConfig.UseVSForLinePointExpand() || g_backend_info.bSupportsMultiview;
// Don't set the GS bit if geometry shaders aren't available.
if (vs_needs_gs_ubo)
{
if (g_backend_info.bSupportsGeometryShaders)
ubo_bindings[UBO_DESCRIPTOR_SET_BINDING_GS].stageFlags |= VK_SHADER_STAGE_VERTEX_BIT;
else
ubo_bindings[UBO_DESCRIPTOR_SET_BINDING_GS].stageFlags = VK_SHADER_STAGE_VERTEX_BIT;
}
else if (!g_backend_info.bSupportsGeometryShaders)
{
create_infos[DESCRIPTOR_SET_LAYOUT_STANDARD_UNIFORM_BUFFERS].bindingCount--;
}
// Remove the dynamic vertex loader's buffer if it'll never be needed
if (!g_backend_info.bSupportsDynamicVertexLoader)
create_infos[DESCRIPTOR_SET_LAYOUT_STANDARD_SHADER_STORAGE_BUFFERS].bindingCount--;
for (size_t i = 0; i < create_infos.size(); i++)
{
VkResult res = vkCreateDescriptorSetLayout(g_vulkan_context->GetDevice(), &create_infos[i],
nullptr, &m_descriptor_set_layouts[i]);
if (res != VK_SUCCESS)
{
LOG_VULKAN_ERROR(res, "vkCreateDescriptorSetLayout failed: ");
return false;
}
}
return true;
}
void ObjectCache::DestroyDescriptorSetLayouts()
{
for (VkDescriptorSetLayout layout : m_descriptor_set_layouts)
{
if (layout != VK_NULL_HANDLE)
vkDestroyDescriptorSetLayout(g_vulkan_context->GetDevice(), layout, nullptr);
}
}
bool ObjectCache::CreatePipelineLayouts()
{
// Descriptor sets for each pipeline layout.
// In the standard set, the SSBO must be the last descriptor, as we do not include it
// when fragment stores and atomics are not supported by the device.
const std::array<VkDescriptorSetLayout, 3> standard_sets{
m_descriptor_set_layouts[DESCRIPTOR_SET_LAYOUT_STANDARD_UNIFORM_BUFFERS],
m_descriptor_set_layouts[DESCRIPTOR_SET_LAYOUT_STANDARD_SAMPLERS],
m_descriptor_set_layouts[DESCRIPTOR_SET_LAYOUT_STANDARD_SHADER_STORAGE_BUFFERS],
};
const std::array<VkDescriptorSetLayout, 3> uber_sets{
m_descriptor_set_layouts[DESCRIPTOR_SET_LAYOUT_STANDARD_UNIFORM_BUFFERS],
m_descriptor_set_layouts[DESCRIPTOR_SET_LAYOUT_STANDARD_SAMPLERS],
m_descriptor_set_layouts[DESCRIPTOR_SET_LAYOUT_STANDARD_SHADER_STORAGE_BUFFERS],
};
const std::array<VkDescriptorSetLayout, 2> utility_sets{
m_descriptor_set_layouts[DESCRIPTOR_SET_LAYOUT_UTILITY_UNIFORM_BUFFER],
m_descriptor_set_layouts[DESCRIPTOR_SET_LAYOUT_UTILITY_SAMPLERS],
};
const std::array<VkDescriptorSetLayout, 1> compute_sets{
m_descriptor_set_layouts[DESCRIPTOR_SET_LAYOUT_COMPUTE],
};
// Info for each pipeline layout
std::array<VkPipelineLayoutCreateInfo, NUM_PIPELINE_LAYOUTS> pipeline_layout_info{{
// Standard
{VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO, nullptr, 0,
static_cast<u32>(standard_sets.size()), standard_sets.data(), 0, nullptr},
// Uber
{VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO, nullptr, 0,
static_cast<u32>(uber_sets.size()), uber_sets.data(), 0, nullptr},
// Utility
{VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO, nullptr, 0,
static_cast<u32>(utility_sets.size()), utility_sets.data(), 0, nullptr},
// Compute
{VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO, nullptr, 0,
static_cast<u32>(compute_sets.size()), compute_sets.data(), 0, nullptr},
}};
const bool ssbos_in_standard =
g_backend_info.bSupportsBBox || g_ActiveConfig.UseVSForLinePointExpand();
// If bounding box is unsupported, don't bother with the SSBO descriptor set.
if (!ssbos_in_standard)
pipeline_layout_info[PIPELINE_LAYOUT_STANDARD].setLayoutCount--;
// If neither SSBO-using feature is supported, skip in ubershaders too
if (!ssbos_in_standard && !g_backend_info.bSupportsDynamicVertexLoader)
pipeline_layout_info[PIPELINE_LAYOUT_UBER].setLayoutCount--;
for (size_t i = 0; i < pipeline_layout_info.size(); i++)
{
VkResult res;
if ((res = vkCreatePipelineLayout(g_vulkan_context->GetDevice(), &pipeline_layout_info[i],
nullptr, &m_pipeline_layouts[i])) != VK_SUCCESS)
{
LOG_VULKAN_ERROR(res, "vkCreatePipelineLayout failed: ");
return false;
}
}
return true;
}
void ObjectCache::DestroyPipelineLayouts()
{
for (VkPipelineLayout layout : m_pipeline_layouts)
{
if (layout != VK_NULL_HANDLE)
vkDestroyPipelineLayout(g_vulkan_context->GetDevice(), layout, nullptr);
}
}
bool ObjectCache::CreateStaticSamplers()
{
VkSamplerCreateInfo create_info = {
VK_STRUCTURE_TYPE_SAMPLER_CREATE_INFO, // VkStructureType sType
nullptr, // const void* pNext
0, // VkSamplerCreateFlags flags
VK_FILTER_NEAREST, // VkFilter magFilter
VK_FILTER_NEAREST, // VkFilter minFilter
VK_SAMPLER_MIPMAP_MODE_NEAREST, // VkSamplerMipmapMode mipmapMode
VK_SAMPLER_ADDRESS_MODE_CLAMP_TO_BORDER, // VkSamplerAddressMode addressModeU
VK_SAMPLER_ADDRESS_MODE_CLAMP_TO_BORDER, // VkSamplerAddressMode addressModeV
VK_SAMPLER_ADDRESS_MODE_CLAMP_TO_EDGE, // VkSamplerAddressMode addressModeW
0.0f, // float mipLodBias
VK_FALSE, // VkBool32 anisotropyEnable
1.0f, // float maxAnisotropy
VK_FALSE, // VkBool32 compareEnable
VK_COMPARE_OP_ALWAYS, // VkCompareOp compareOp
std::numeric_limits<float>::min(), // float minLod
std::numeric_limits<float>::max(), // float maxLod
VK_BORDER_COLOR_FLOAT_TRANSPARENT_BLACK, // VkBorderColor borderColor
VK_FALSE // VkBool32 unnormalizedCoordinates
};
VkResult res =
vkCreateSampler(g_vulkan_context->GetDevice(), &create_info, nullptr, &m_point_sampler);
if (res != VK_SUCCESS)
{
LOG_VULKAN_ERROR(res, "vkCreateSampler failed: ");
return false;
}
// Most fields are shared across point<->linear samplers, so only change those necessary.
create_info.minFilter = VK_FILTER_LINEAR;
create_info.magFilter = VK_FILTER_LINEAR;
create_info.mipmapMode = VK_SAMPLER_MIPMAP_MODE_LINEAR;
res = vkCreateSampler(g_vulkan_context->GetDevice(), &create_info, nullptr, &m_linear_sampler);
if (res != VK_SUCCESS)
{
LOG_VULKAN_ERROR(res, "vkCreateSampler failed: ");
return false;
}
return true;
}
VkSampler ObjectCache::GetSampler(const SamplerState& info)
{
auto iter = m_sampler_cache.find(info);
if (iter != m_sampler_cache.end())
return iter->second;
static constexpr std::array<VkFilter, 4> filters = {{VK_FILTER_NEAREST, VK_FILTER_LINEAR}};
static constexpr std::array<VkSamplerMipmapMode, 2> mipmap_modes = {
{VK_SAMPLER_MIPMAP_MODE_NEAREST, VK_SAMPLER_MIPMAP_MODE_LINEAR}};
static constexpr std::array<VkSamplerAddressMode, 4> address_modes = {
{VK_SAMPLER_ADDRESS_MODE_CLAMP_TO_EDGE, VK_SAMPLER_ADDRESS_MODE_REPEAT,
VK_SAMPLER_ADDRESS_MODE_MIRRORED_REPEAT}};
VkSamplerCreateInfo create_info = {
VK_STRUCTURE_TYPE_SAMPLER_CREATE_INFO, // VkStructureType sType
nullptr, // const void* pNext
0, // VkSamplerCreateFlags flags
filters[u32(info.tm0.mag_filter.Value())], // VkFilter magFilter
filters[u32(info.tm0.min_filter.Value())], // VkFilter minFilter
mipmap_modes[u32(info.tm0.mipmap_filter.Value())], // VkSamplerMipmapMode mipmapMode
address_modes[u32(info.tm0.wrap_u.Value())], // VkSamplerAddressMode addressModeU
address_modes[u32(info.tm0.wrap_v.Value())], // VkSamplerAddressMode addressModeV
VK_SAMPLER_ADDRESS_MODE_CLAMP_TO_EDGE, // VkSamplerAddressMode addressModeW
info.tm0.lod_bias / 256.0f, // float mipLodBias
VK_FALSE, // VkBool32 anisotropyEnable
0.0f, // float maxAnisotropy
VK_FALSE, // VkBool32 compareEnable
VK_COMPARE_OP_ALWAYS, // VkCompareOp compareOp
info.tm1.min_lod / 16.0f, // float minLod
info.tm1.max_lod / 16.0f, // float maxLod
VK_BORDER_COLOR_FLOAT_TRANSPARENT_BLACK, // VkBorderColor borderColor
VK_FALSE // VkBool32 unnormalizedCoordinates
};
// Can we use anisotropic filtering with this sampler?
if (info.tm0.anisotropic_filtering != 0 && g_vulkan_context->SupportsAnisotropicFiltering())
{
// Cap anisotropy to device limits.
create_info.anisotropyEnable = VK_TRUE;
create_info.maxAnisotropy = std::min(static_cast<float>(1 << info.tm0.anisotropic_filtering),
g_vulkan_context->GetMaxSamplerAnisotropy());
}
VkSampler sampler = VK_NULL_HANDLE;
VkResult res = vkCreateSampler(g_vulkan_context->GetDevice(), &create_info, nullptr, &sampler);
if (res != VK_SUCCESS)
LOG_VULKAN_ERROR(res, "vkCreateSampler failed: ");
// Store it even if it failed
m_sampler_cache.emplace(info, sampler);
return sampler;
}
VkRenderPass ObjectCache::GetRenderPass(VkFormat color_format, VkFormat depth_format,
u32 multisamples, VkAttachmentLoadOp load_op,
u8 additional_attachment_count, bool multiview,
VkFormat additional_color_format,
bool fragment_density_map)
{
if (additional_color_format == VK_FORMAT_UNDEFINED)
additional_color_format = color_format;
if (fragment_density_map && !g_vulkan_context->SupportsFragmentDensityMap())
{
ERROR_LOG_FMT(VIDEO, "Fragment density map render pass requested without device support.");
fragment_density_map = false;
}
auto key = std::tie(color_format, depth_format, multisamples, load_op,
additional_attachment_count, multiview, additional_color_format,
fragment_density_map);
auto it = m_render_pass_cache.find(key);
if (it != m_render_pass_cache.end())
return it->second;
VkAttachmentReference depth_reference;
VkAttachmentReference* depth_reference_ptr = nullptr;
std::vector<VkAttachmentDescription> attachments;
std::vector<VkAttachmentReference> color_attachment_references;
if (color_format != VK_FORMAT_UNDEFINED)
{
VkAttachmentReference color_reference;
color_reference.attachment = static_cast<uint32_t>(attachments.size());
color_reference.layout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL;
color_attachment_references.push_back(std::move(color_reference));
attachments.push_back({0, color_format,
static_cast<VkSampleCountFlagBits>(multisamples),
load_op, VK_ATTACHMENT_STORE_OP_STORE, VK_ATTACHMENT_LOAD_OP_DONT_CARE,
VK_ATTACHMENT_STORE_OP_DONT_CARE,
VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL,
VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL});
}
if (depth_format != VK_FORMAT_UNDEFINED)
{
depth_reference.attachment = static_cast<uint32_t>(attachments.size());
depth_reference.layout = VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL;
depth_reference_ptr = &depth_reference;
attachments.push_back({0, depth_format, static_cast<VkSampleCountFlagBits>(multisamples),
load_op, VK_ATTACHMENT_STORE_OP_STORE, VK_ATTACHMENT_LOAD_OP_DONT_CARE,
VK_ATTACHMENT_STORE_OP_DONT_CARE,
VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL,
VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL});
}
for (u8 i = 0; i < additional_attachment_count; i++)
{
VkAttachmentReference color_reference;
color_reference.attachment = static_cast<uint32_t>(attachments.size());
color_reference.layout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL;
color_attachment_references.push_back(std::move(color_reference));
attachments.push_back({0, additional_color_format,
static_cast<VkSampleCountFlagBits>(multisamples),
load_op, VK_ATTACHMENT_STORE_OP_STORE, VK_ATTACHMENT_LOAD_OP_DONT_CARE,
VK_ATTACHMENT_STORE_OP_DONT_CARE,
VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL,
VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL});
}
// VR foveation: reference a fragment density map. The attachment is not part of the
// subpass; it's a render-pass-global input the GPU samples to pick per-region fragment
// shading density. Per spec its loadOp must be LOAD/DONT_CARE and storeOp DONT_CARE.
VkRenderPassFragmentDensityMapCreateInfoEXT fdm_info = {
VK_STRUCTURE_TYPE_RENDER_PASS_FRAGMENT_DENSITY_MAP_CREATE_INFO_EXT};
if (fragment_density_map)
{
fdm_info.fragmentDensityMapAttachment = {
static_cast<uint32_t>(attachments.size()),
VK_IMAGE_LAYOUT_FRAGMENT_DENSITY_MAP_OPTIMAL_EXT};
attachments.push_back({0, VK_FORMAT_R8G8_UNORM, VK_SAMPLE_COUNT_1_BIT,
VK_ATTACHMENT_LOAD_OP_LOAD, VK_ATTACHMENT_STORE_OP_DONT_CARE,
VK_ATTACHMENT_LOAD_OP_DONT_CARE, VK_ATTACHMENT_STORE_OP_DONT_CARE,
VK_IMAGE_LAYOUT_FRAGMENT_DENSITY_MAP_OPTIMAL_EXT,
VK_IMAGE_LAYOUT_FRAGMENT_DENSITY_MAP_OPTIMAL_EXT});
}
VkSubpassDescription subpass = {
0,
VK_PIPELINE_BIND_POINT_GRAPHICS,
0,
nullptr,
static_cast<uint32_t>(color_attachment_references.size()),
color_attachment_references.empty() ? nullptr : color_attachment_references.data(),
nullptr,
depth_reference_ptr,
0,
nullptr};
VkRenderPassCreateInfo pass_info = {VK_STRUCTURE_TYPE_RENDER_PASS_CREATE_INFO,
nullptr,
0,
static_cast<uint32_t>(attachments.size()),
attachments.data(),
1,
&subpass,
0,
nullptr};
if (fragment_density_map)
pass_info.pNext = &fdm_info;
// VR stereo: render both eyes in a single pass via VK_KHR_multiview. The view mask
// 0b11 replicates the subpass into layers 0 and 1; gl_ViewIndex selects per-eye state
// in the vertex shader. We deliberately omit a correlation mask — some mobile (Adreno)
// drivers handle that hint poorly, and skipping it costs at most a small optimization.
VkRenderPassMultiviewCreateInfo multiview_info = {};
const uint32_t view_mask = 0x3;
if (multiview)
{
multiview_info.sType = VK_STRUCTURE_TYPE_RENDER_PASS_MULTIVIEW_CREATE_INFO;
multiview_info.subpassCount = 1;
multiview_info.pViewMasks = &view_mask;
multiview_info.correlationMaskCount = 0;
multiview_info.pCorrelationMasks = nullptr;
// Preserve the fragment density map chain entry when both are active.
multiview_info.pNext = pass_info.pNext;
pass_info.pNext = &multiview_info;
}
VkRenderPass pass;
VkResult res = vkCreateRenderPass(g_vulkan_context->GetDevice(), &pass_info, nullptr, &pass);
if (res != VK_SUCCESS)
{
LOG_VULKAN_ERROR(res, "vkCreateRenderPass failed: ");
return VK_NULL_HANDLE;
}
m_render_pass_cache.emplace(key, pass);
return pass;
}
void ObjectCache::DestroyRenderPassCache()
{
for (auto& it : m_render_pass_cache)
vkDestroyRenderPass(g_vulkan_context->GetDevice(), it.second, nullptr);
m_render_pass_cache.clear();
}
namespace
{
// Radially symmetric density falloff for fixed foveated rendering. R8G8_UNORM texels
// hold (x, y) shading density: 255 = full rate, 128 = half rate per axis, and so on.
// The GPU quantizes to the rates it supports (Adreno: 1, 1/2, 1/4 per axis).
void FillFoveationDensityLayer(u8* dst, u32 width, u32 height, int level)
{
struct LevelParams
{
float inner_radius; // full-density region, in normalized [-1,1] coordinates
float min_density;
float falloff_exponent;
};
static constexpr LevelParams kLevels[] = {
{0.70f, 0.50f, 2.0f}, // Low
{0.50f, 0.25f, 2.0f}, // Medium
{0.35f, 0.25f, 1.0f}, // High: linear falloff reaches quarter rate sooner
};
const LevelParams& p = kLevels[std::clamp(level, 1, 3) - 1];
for (u32 y = 0; y < height; ++y)
{
const float ny = ((y + 0.5f) / height) * 2.0f - 1.0f;
for (u32 x = 0; x < width; ++x)
{
const float nx = ((x + 0.5f) / width) * 2.0f - 1.0f;
const float r = std::sqrt(nx * nx + ny * ny);
float density = 1.0f;
if (r > p.inner_radius)
{
const float t = std::min((r - p.inner_radius) / (1.05f - p.inner_radius), 1.0f);
density = 1.0f - (1.0f - p.min_density) * std::pow(t, p.falloff_exponent);
}
const u8 value = static_cast<u8>(
std::lround(std::clamp(density, p.min_density, 1.0f) * 255.0f));
dst[(y * width + x) * 2 + 0] = value;
dst[(y * width + x) * 2 + 1] = value;
}
}
}
} // namespace
VkImageView ObjectCache::GetEFBFragmentDensityMapView(u32 fb_width, u32 fb_height, u32 layers)
{
if (!g_vulkan_context->SupportsFragmentDensityMap() ||
!g_vulkan_context->SupportsNonSubsampledFragmentDensityMap())
{
return VK_NULL_HANDLE;
}
const int level = std::clamp(g_ActiveConfig.vr_foveation_level, 1, 3);
if (m_efb_fdm_view != VK_NULL_HANDLE && m_efb_fdm_fb_width == fb_width &&
m_efb_fdm_fb_height == fb_height && m_efb_fdm_layers == layers &&
m_efb_fdm_level == level)
{
return m_efb_fdm_view;
}
DestroyEFBFragmentDensityMap();
// Coarsest granularity the device allows, capped at 32x32 so the map keeps enough
// texels to shape the falloff. One density texel covers texel_w x texel_h pixels.
const auto& info = g_vulkan_context->GetDeviceInfo();
const u32 texel_w = std::clamp<u32>(32, std::max(1u, info.minFragmentDensityTexelSize.width),
std::max(1u, info.maxFragmentDensityTexelSize.width));
const u32 texel_h = std::clamp<u32>(32, std::max(1u, info.minFragmentDensityTexelSize.height),
std::max(1u, info.maxFragmentDensityTexelSize.height));
const u32 fdm_width = (fb_width + texel_w - 1) / texel_w;
const u32 fdm_height = (fb_height + texel_h - 1) / texel_h;
const VkImageCreateInfo image_info = {VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO,
nullptr,
0,
VK_IMAGE_TYPE_2D,
VK_FORMAT_R8G8_UNORM,
{fdm_width, fdm_height, 1},
1,
layers,
VK_SAMPLE_COUNT_1_BIT,
VK_IMAGE_TILING_OPTIMAL,
VK_IMAGE_USAGE_FRAGMENT_DENSITY_MAP_BIT_EXT |
VK_IMAGE_USAGE_TRANSFER_DST_BIT,
VK_SHARING_MODE_EXCLUSIVE,
0,
nullptr,
VK_IMAGE_LAYOUT_UNDEFINED};
VmaAllocationCreateInfo image_alloc_info = {};
image_alloc_info.flags = VMA_ALLOCATION_CREATE_WITHIN_BUDGET_BIT;
image_alloc_info.usage = VMA_MEMORY_USAGE_AUTO_PREFER_DEVICE;
VkResult res = vmaCreateImage(g_vulkan_context->GetMemoryAllocator(), &image_info,
&image_alloc_info, &m_efb_fdm_image, &m_efb_fdm_alloc, nullptr);
if (res != VK_SUCCESS)
{
LOG_VULKAN_ERROR(res, "vmaCreateImage (EFB fragment density map) failed: ");
m_efb_fdm_image = VK_NULL_HANDLE;
m_efb_fdm_alloc = VK_NULL_HANDLE;
return VK_NULL_HANDLE;
}
// Upload the density values through a transient staging buffer.
const VkDeviceSize layer_size = static_cast<VkDeviceSize>(fdm_width) * fdm_height * 2;
const VkDeviceSize upload_size = layer_size * layers;
const VkBufferCreateInfo buffer_info = {VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO,
nullptr,
0,
upload_size,
VK_BUFFER_USAGE_TRANSFER_SRC_BIT,
VK_SHARING_MODE_EXCLUSIVE,
0,
nullptr};
VmaAllocationCreateInfo buffer_alloc_info = {};
buffer_alloc_info.flags = VMA_ALLOCATION_CREATE_MAPPED_BIT |
VMA_ALLOCATION_CREATE_HOST_ACCESS_SEQUENTIAL_WRITE_BIT |
VMA_ALLOCATION_CREATE_WITHIN_BUDGET_BIT;
buffer_alloc_info.usage = VMA_MEMORY_USAGE_AUTO;
VkBuffer staging_buffer = VK_NULL_HANDLE;
VmaAllocation staging_alloc = VK_NULL_HANDLE;
VmaAllocationInfo staging_map_info = {};
res = vmaCreateBuffer(g_vulkan_context->GetMemoryAllocator(), &buffer_info, &buffer_alloc_info,
&staging_buffer, &staging_alloc, &staging_map_info);
if (res != VK_SUCCESS || staging_map_info.pMappedData == nullptr)
{
LOG_VULKAN_ERROR(res, "vmaCreateBuffer (EFB fragment density map staging) failed: ");
if (staging_buffer != VK_NULL_HANDLE)
vmaDestroyBuffer(g_vulkan_context->GetMemoryAllocator(), staging_buffer, staging_alloc);
DestroyEFBFragmentDensityMap();
return VK_NULL_HANDLE;
}
u8* map = static_cast<u8*>(staging_map_info.pMappedData);
for (u32 layer = 0; layer < layers; ++layer)
FillFoveationDensityLayer(map + layer * layer_size, fdm_width, fdm_height, level);
vmaFlushAllocation(g_vulkan_context->GetMemoryAllocator(), staging_alloc, 0, VK_WHOLE_SIZE);
VkCommandBuffer cmd = g_command_buffer_mgr->GetCurrentInitCommandBuffer();
VkImageMemoryBarrier barrier = {VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER,
nullptr,
0,
VK_ACCESS_TRANSFER_WRITE_BIT,
VK_IMAGE_LAYOUT_UNDEFINED,
VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
VK_QUEUE_FAMILY_IGNORED,
VK_QUEUE_FAMILY_IGNORED,
m_efb_fdm_image,
{VK_IMAGE_ASPECT_COLOR_BIT, 0, 1, 0, layers}};
vkCmdPipelineBarrier(cmd, VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT, VK_PIPELINE_STAGE_TRANSFER_BIT, 0,
0, nullptr, 0, nullptr, 1, &barrier);
const VkBufferImageCopy copy = {0,
0,
0,
{VK_IMAGE_ASPECT_COLOR_BIT, 0, 0, layers},
{0, 0, 0},
{fdm_width, fdm_height, 1}};
vkCmdCopyBufferToImage(cmd, staging_buffer, m_efb_fdm_image,
VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL, 1, &copy);
barrier.srcAccessMask = VK_ACCESS_TRANSFER_WRITE_BIT;
barrier.dstAccessMask = VK_ACCESS_FRAGMENT_DENSITY_MAP_READ_BIT_EXT;
barrier.oldLayout = VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL;
barrier.newLayout = VK_IMAGE_LAYOUT_FRAGMENT_DENSITY_MAP_OPTIMAL_EXT;
vkCmdPipelineBarrier(cmd, VK_PIPELINE_STAGE_TRANSFER_BIT,
VK_PIPELINE_STAGE_FRAGMENT_DENSITY_PROCESS_BIT_EXT, 0, 0, nullptr, 0,
nullptr, 1, &barrier);
g_command_buffer_mgr->DeferBufferDestruction(staging_buffer, staging_alloc);
const VkImageViewCreateInfo view_info = {
VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO,
nullptr,
0,
m_efb_fdm_image,
layers > 1 ? VK_IMAGE_VIEW_TYPE_2D_ARRAY : VK_IMAGE_VIEW_TYPE_2D,
VK_FORMAT_R8G8_UNORM,
{VK_COMPONENT_SWIZZLE_IDENTITY, VK_COMPONENT_SWIZZLE_IDENTITY, VK_COMPONENT_SWIZZLE_IDENTITY,
VK_COMPONENT_SWIZZLE_IDENTITY},
{VK_IMAGE_ASPECT_COLOR_BIT, 0, 1, 0, layers}};
res = vkCreateImageView(g_vulkan_context->GetDevice(), &view_info, nullptr, &m_efb_fdm_view);
if (res != VK_SUCCESS)
{
LOG_VULKAN_ERROR(res, "vkCreateImageView (EFB fragment density map) failed: ");
m_efb_fdm_view = VK_NULL_HANDLE;
DestroyEFBFragmentDensityMap();
return VK_NULL_HANDLE;
}
m_efb_fdm_fb_width = fb_width;
m_efb_fdm_fb_height = fb_height;
m_efb_fdm_layers = layers;
m_efb_fdm_level = level;
INFO_LOG_FMT(VIDEO,
"Vulkan: EFB fragment density map ready: {}x{} texels ({}x{} px granularity) "
"x{} layers, level {}.",
fdm_width, fdm_height, texel_w, texel_h, layers, level);
return m_efb_fdm_view;
}
void ObjectCache::DestroyEFBFragmentDensityMap()
{
// In-flight frames (and the current EFB framebuffer during recreation) may still
// reference these; destruction must be deferred to fence completion.
if (m_efb_fdm_view != VK_NULL_HANDLE)
{
g_command_buffer_mgr->DeferImageViewDestruction(m_efb_fdm_view);
m_efb_fdm_view = VK_NULL_HANDLE;
}
if (m_efb_fdm_image != VK_NULL_HANDLE)
{
g_command_buffer_mgr->DeferImageDestruction(m_efb_fdm_image, m_efb_fdm_alloc);
m_efb_fdm_image = VK_NULL_HANDLE;
m_efb_fdm_alloc = VK_NULL_HANDLE;
}
m_efb_fdm_fb_width = 0;
m_efb_fdm_fb_height = 0;
m_efb_fdm_layers = 0;
m_efb_fdm_level = 0;
}
class PipelineCacheReadCallback : public Common::LinearDiskCacheReader<u32, u8>
{
public:
PipelineCacheReadCallback(std::vector<u8>* data) : m_data(data) {}
void Read(const u32& key, const u8* value, u32 value_size) override
{
m_data->resize(value_size);
if (value_size > 0)
memcpy(m_data->data(), value, value_size);
}
private:
std::vector<u8>* m_data;
};
class PipelineCacheReadIgnoreCallback : public Common::LinearDiskCacheReader<u32, u8>
{
public:
void Read(const u32& key, const u8* value, u32 value_size) override {}
};
bool ObjectCache::CreatePipelineCache()
{
// Vulkan pipeline caches can be shared between games for shader compile time reduction.
// This assumes that drivers don't create all pipelines in the cache on load time, only
// when a lookup occurs that matches a pipeline (or pipeline data) in the cache.
m_pipeline_cache_filename = GetDiskShaderCacheFileName(APIType::Vulkan, "Pipeline", false, true);
VkPipelineCacheCreateInfo info = {
VK_STRUCTURE_TYPE_PIPELINE_CACHE_CREATE_INFO, // VkStructureType sType
nullptr, // const void* pNext
0, // VkPipelineCacheCreateFlags flags
0, // size_t initialDataSize
nullptr // const void* pInitialData
};
VkResult res =
vkCreatePipelineCache(g_vulkan_context->GetDevice(), &info, nullptr, &m_pipeline_cache);
if (res == VK_SUCCESS)
return true;
LOG_VULKAN_ERROR(res, "vkCreatePipelineCache failed: ");
return false;
}
bool ObjectCache::LoadPipelineCache()
{
// We have to keep the pipeline cache file name around since when we save it
// we delete the old one, by which time the game's unique ID is already cleared.
m_pipeline_cache_filename = GetDiskShaderCacheFileName(APIType::Vulkan, "Pipeline", false, true);
std::vector<u8> disk_data;
Common::LinearDiskCache<u32, u8> disk_cache;
PipelineCacheReadCallback read_callback(&disk_data);
if (disk_cache.OpenAndRead(m_pipeline_cache_filename, read_callback) != 1)
disk_data.clear();
if (!disk_data.empty() && !ValidatePipelineCache(disk_data.data(), disk_data.size()))
{
// Don't use this data. In fact, we should delete it to prevent it from being used next time.
File::Delete(m_pipeline_cache_filename);
return CreatePipelineCache();
}
VkPipelineCacheCreateInfo info = {
VK_STRUCTURE_TYPE_PIPELINE_CACHE_CREATE_INFO, // VkStructureType sType
nullptr, // const void* pNext
0, // VkPipelineCacheCreateFlags flags
disk_data.size(), // size_t initialDataSize
disk_data.data() // const void* pInitialData
};
VkResult res =
vkCreatePipelineCache(g_vulkan_context->GetDevice(), &info, nullptr, &m_pipeline_cache);
if (res == VK_SUCCESS)
return true;
// Failed to create pipeline cache, try with it empty.
LOG_VULKAN_ERROR(res, "vkCreatePipelineCache failed, trying empty cache: ");
return CreatePipelineCache();
}
// Based on Vulkan 1.0 specification,
// Table 9.1. Layout for pipeline cache header version VK_PIPELINE_CACHE_HEADER_VERSION_ONE
// NOTE: This data is assumed to be in little-endian format.
#pragma pack(push, 4)
struct VK_PIPELINE_CACHE_HEADER
{
u32 header_length;
u32 header_version;
u32 vendor_id;
u32 device_id;
u8 uuid[VK_UUID_SIZE];
};
#pragma pack(pop)
static_assert(std::is_trivially_copyable<VK_PIPELINE_CACHE_HEADER>::value,
"VK_PIPELINE_CACHE_HEADER must be trivially copyable");
bool ObjectCache::ValidatePipelineCache(const u8* data, size_t data_length)
{
if (data_length < sizeof(VK_PIPELINE_CACHE_HEADER))
{
ERROR_LOG_FMT(VIDEO, "Pipeline cache failed validation: Invalid header");
return false;
}
VK_PIPELINE_CACHE_HEADER header;
std::memcpy(&header, data, sizeof(header));
if (header.header_length < sizeof(VK_PIPELINE_CACHE_HEADER))
{
ERROR_LOG_FMT(VIDEO, "Pipeline cache failed validation: Invalid header length");
return false;
}
if (header.header_version != VK_PIPELINE_CACHE_HEADER_VERSION_ONE)
{
ERROR_LOG_FMT(VIDEO, "Pipeline cache failed validation: Invalid header version");
return false;
}
if (header.vendor_id != g_vulkan_context->GetDeviceInfo().vendorID)
{
ERROR_LOG_FMT(
VIDEO, "Pipeline cache failed validation: Incorrect vendor ID (file: {:#X}, device: {:#X})",
header.vendor_id, g_vulkan_context->GetDeviceInfo().vendorID);
return false;
}
if (header.device_id != g_vulkan_context->GetDeviceInfo().deviceID)
{
ERROR_LOG_FMT(
VIDEO, "Pipeline cache failed validation: Incorrect device ID (file: {:#X}, device: {:#X})",
header.device_id, g_vulkan_context->GetDeviceInfo().deviceID);
return false;
}
if (std::memcmp(header.uuid, g_vulkan_context->GetDeviceInfo().pipelineCacheUUID, VK_UUID_SIZE) !=
0)
{
ERROR_LOG_FMT(VIDEO, "Pipeline cache failed validation: Incorrect UUID");
return false;
}
return true;
}
void ObjectCache::DestroyPipelineCache()
{
vkDestroyPipelineCache(g_vulkan_context->GetDevice(), m_pipeline_cache, nullptr);
m_pipeline_cache = VK_NULL_HANDLE;
}
void ObjectCache::SavePipelineCache()
{
size_t data_size;
VkResult res =
vkGetPipelineCacheData(g_vulkan_context->GetDevice(), m_pipeline_cache, &data_size, nullptr);
if (res != VK_SUCCESS)
{
LOG_VULKAN_ERROR(res, "vkGetPipelineCacheData failed: ");
return;
}
std::vector<u8> data(data_size);
res = vkGetPipelineCacheData(g_vulkan_context->GetDevice(), m_pipeline_cache, &data_size,
data.data());
if (res != VK_SUCCESS)
{
LOG_VULKAN_ERROR(res, "vkGetPipelineCacheData failed: ");
return;
}
// Delete the old cache and re-create.
File::Delete(m_pipeline_cache_filename);
// We write a single key of 1, with the entire pipeline cache data.
// Not ideal, but our disk cache class does not support just writing a single blob
// of data without specifying a key.
Common::LinearDiskCache<u32, u8> disk_cache;
PipelineCacheReadIgnoreCallback callback;
disk_cache.OpenAndRead(m_pipeline_cache_filename, callback);
disk_cache.Append(1, data.data(), static_cast<u32>(data.size()));
disk_cache.Close();
}
void ObjectCache::ReloadPipelineCache()
{
SavePipelineCache();
if (g_ActiveConfig.bShaderCache)
LoadPipelineCache();
else
CreatePipelineCache();
}
} // namespace Vulkan
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