dolphin/Source/Core/VideoBackends/Vulkan/ObjectCache.cpp

1228 lines
48 KiB
C++

// Copyright 2016 Dolphin Emulator Project
// Licensed under GPLv2+
// Refer to the license.txt file included.
#include "VideoBackends/Vulkan/ObjectCache.h"
#include <algorithm>
#include <sstream>
#include <type_traits>
#include <xxhash.h>
#include "Common/Assert.h"
#include "Common/CommonFuncs.h"
#include "Common/LinearDiskCache.h"
#include "Common/MsgHandler.h"
#include "Core/ConfigManager.h"
#include "VideoBackends/Vulkan/ShaderCompiler.h"
#include "VideoBackends/Vulkan/StreamBuffer.h"
#include "VideoBackends/Vulkan/Util.h"
#include "VideoBackends/Vulkan/VertexFormat.h"
#include "VideoBackends/Vulkan/VulkanContext.h"
#include "VideoCommon/Statistics.h"
namespace Vulkan
{
std::unique_ptr<ObjectCache> g_object_cache;
ObjectCache::ObjectCache()
{
}
ObjectCache::~ObjectCache()
{
DestroyPipelineCache();
DestroyShaderCaches();
DestroySharedShaders();
DestroySamplers();
DestroyPipelineLayouts();
DestroyDescriptorSetLayouts();
}
bool ObjectCache::Initialize()
{
if (!CreateDescriptorSetLayouts())
return false;
if (!CreatePipelineLayouts())
return false;
LoadShaderCaches();
if (!CreatePipelineCache(true))
return false;
if (!CreateUtilityShaderVertexFormat())
return false;
if (!CreateStaticSamplers())
return false;
if (!CompileSharedShaders())
return false;
m_utility_shader_vertex_buffer =
StreamBuffer::Create(VK_BUFFER_USAGE_VERTEX_BUFFER_BIT, 1024 * 1024, 4 * 1024 * 1024);
m_utility_shader_uniform_buffer =
StreamBuffer::Create(VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT, 1024, 4 * 1024 * 1024);
if (!m_utility_shader_vertex_buffer || !m_utility_shader_uniform_buffer)
return false;
return true;
}
static bool IsStripPrimitiveTopology(VkPrimitiveTopology topology)
{
return topology == VK_PRIMITIVE_TOPOLOGY_LINE_STRIP ||
topology == VK_PRIMITIVE_TOPOLOGY_TRIANGLE_STRIP ||
topology == VK_PRIMITIVE_TOPOLOGY_LINE_STRIP_WITH_ADJACENCY ||
topology == VK_PRIMITIVE_TOPOLOGY_TRIANGLE_STRIP_WITH_ADJACENCY;
}
static VkPipelineRasterizationStateCreateInfo
GetVulkanRasterizationState(const RasterizationState& state)
{
return {
VK_STRUCTURE_TYPE_PIPELINE_RASTERIZATION_STATE_CREATE_INFO, // VkStructureType sType
nullptr, // const void* pNext
0, // VkPipelineRasterizationStateCreateFlags flags
state.depth_clamp, // VkBool32 depthClampEnable
VK_FALSE, // VkBool32 rasterizerDiscardEnable
VK_POLYGON_MODE_FILL, // VkPolygonMode polygonMode
state.cull_mode, // VkCullModeFlags cullMode
VK_FRONT_FACE_CLOCKWISE, // VkFrontFace frontFace
VK_FALSE, // VkBool32 depthBiasEnable
0.0f, // float depthBiasConstantFactor
0.0f, // float depthBiasClamp
0.0f, // float depthBiasSlopeFactor
1.0f // float lineWidth
};
}
static VkPipelineMultisampleStateCreateInfo
GetVulkanMultisampleState(const RasterizationState& rs_state)
{
return {
VK_STRUCTURE_TYPE_PIPELINE_MULTISAMPLE_STATE_CREATE_INFO, // VkStructureType sType
nullptr, // const void* pNext
0, // VkPipelineMultisampleStateCreateFlags flags
rs_state.samples, // VkSampleCountFlagBits rasterizationSamples
rs_state.per_sample_shading, // VkBool32 sampleShadingEnable
1.0f, // float minSampleShading
nullptr, // const VkSampleMask* pSampleMask;
VK_FALSE, // VkBool32 alphaToCoverageEnable
VK_FALSE // VkBool32 alphaToOneEnable
};
}
static VkPipelineDepthStencilStateCreateInfo
GetVulkanDepthStencilState(const DepthStencilState& state)
{
return {
VK_STRUCTURE_TYPE_PIPELINE_DEPTH_STENCIL_STATE_CREATE_INFO, // VkStructureType sType
nullptr, // const void* pNext
0, // VkPipelineDepthStencilStateCreateFlags flags
state.test_enable, // VkBool32 depthTestEnable
state.write_enable, // VkBool32 depthWriteEnable
state.compare_op, // VkCompareOp depthCompareOp
VK_FALSE, // VkBool32 depthBoundsTestEnable
VK_FALSE, // VkBool32 stencilTestEnable
{}, // VkStencilOpState front
{}, // VkStencilOpState back
0.0f, // float minDepthBounds
1.0f // float maxDepthBounds
};
}
static VkPipelineColorBlendAttachmentState GetVulkanAttachmentBlendState(const BlendState& state)
{
VkPipelineColorBlendAttachmentState vk_state = {
state.blend_enable, // VkBool32 blendEnable
state.src_blend, // VkBlendFactor srcColorBlendFactor
state.dst_blend, // VkBlendFactor dstColorBlendFactor
state.blend_op, // VkBlendOp colorBlendOp
state.src_alpha_blend, // VkBlendFactor srcAlphaBlendFactor
state.dst_alpha_blend, // VkBlendFactor dstAlphaBlendFactor
state.alpha_blend_op, // VkBlendOp alphaBlendOp
state.write_mask // VkColorComponentFlags colorWriteMask
};
return vk_state;
}
static VkPipelineColorBlendStateCreateInfo
GetVulkanColorBlendState(const BlendState& state,
const VkPipelineColorBlendAttachmentState* attachments,
uint32_t num_attachments)
{
VkPipelineColorBlendStateCreateInfo vk_state = {
VK_STRUCTURE_TYPE_PIPELINE_COLOR_BLEND_STATE_CREATE_INFO, // VkStructureType sType
nullptr, // const void* pNext
0, // VkPipelineColorBlendStateCreateFlags flags
state.logic_op_enable, // VkBool32 logicOpEnable
state.logic_op, // VkLogicOp logicOp
num_attachments, // uint32_t attachmentCount
attachments, // const VkPipelineColorBlendAttachmentState* pAttachments
{1.0f, 1.0f, 1.0f, 1.0f} // float blendConstants[4]
};
return vk_state;
}
VkPipeline ObjectCache::CreatePipeline(const PipelineInfo& info)
{
// Declare descriptors for empty vertex buffers/attributes
static const VkPipelineVertexInputStateCreateInfo empty_vertex_input_state = {
VK_STRUCTURE_TYPE_PIPELINE_VERTEX_INPUT_STATE_CREATE_INFO, // VkStructureType sType
nullptr, // const void* pNext
0, // VkPipelineVertexInputStateCreateFlags flags
0, // uint32_t vertexBindingDescriptionCount
nullptr, // const VkVertexInputBindingDescription* pVertexBindingDescriptions
0, // uint32_t vertexAttributeDescriptionCount
nullptr // const VkVertexInputAttributeDescription* pVertexAttributeDescriptions
};
// Vertex inputs
const VkPipelineVertexInputStateCreateInfo& vertex_input_state =
info.vertex_format ? info.vertex_format->GetVertexInputStateInfo() : empty_vertex_input_state;
// Input assembly
VkPipelineInputAssemblyStateCreateInfo input_assembly_state = {
VK_STRUCTURE_TYPE_PIPELINE_INPUT_ASSEMBLY_STATE_CREATE_INFO, // VkStructureType sType
nullptr, // const void* pNext
0, // VkPipelineInputAssemblyStateCreateFlags flags
info.primitive_topology, // VkPrimitiveTopology topology
VK_FALSE // VkBool32 primitiveRestartEnable
};
// See Vulkan spec, section 19:
// If topology is VK_PRIMITIVE_TOPOLOGY_POINT_LIST, VK_PRIMITIVE_TOPOLOGY_LINE_LIST,
// VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST, VK_PRIMITIVE_TOPOLOGY_LINE_LIST_WITH_ADJACENCY,
// VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST_WITH_ADJACENCY or VK_PRIMITIVE_TOPOLOGY_PATCH_LIST,
// primitiveRestartEnable must be VK_FALSE
if (g_ActiveConfig.backend_info.bSupportsPrimitiveRestart &&
IsStripPrimitiveTopology(info.primitive_topology))
{
input_assembly_state.primitiveRestartEnable = VK_TRUE;
}
// Shaders to stages
VkPipelineShaderStageCreateInfo shader_stages[3];
uint32_t num_shader_stages = 0;
if (info.vs != VK_NULL_HANDLE)
{
shader_stages[num_shader_stages++] = {VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO,
nullptr,
0,
VK_SHADER_STAGE_VERTEX_BIT,
info.vs,
"main"};
}
if (info.gs != VK_NULL_HANDLE)
{
shader_stages[num_shader_stages++] = {VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO,
nullptr,
0,
VK_SHADER_STAGE_GEOMETRY_BIT,
info.gs,
"main"};
}
if (info.ps != VK_NULL_HANDLE)
{
shader_stages[num_shader_stages++] = {VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO,
nullptr,
0,
VK_SHADER_STAGE_FRAGMENT_BIT,
info.ps,
"main"};
}
// Fill in Vulkan descriptor structs from our state structures.
VkPipelineRasterizationStateCreateInfo rasterization_state =
GetVulkanRasterizationState(info.rasterization_state);
VkPipelineMultisampleStateCreateInfo multisample_state =
GetVulkanMultisampleState(info.rasterization_state);
VkPipelineDepthStencilStateCreateInfo depth_stencil_state =
GetVulkanDepthStencilState(info.depth_stencil_state);
VkPipelineColorBlendAttachmentState blend_attachment_state =
GetVulkanAttachmentBlendState(info.blend_state);
VkPipelineColorBlendStateCreateInfo blend_state =
GetVulkanColorBlendState(info.blend_state, &blend_attachment_state, 1);
// This viewport isn't used, but needs to be specified anyway.
static const VkViewport viewport = {0.0f, 0.0f, 1.0f, 1.0f, 0.0f, 1.0f};
static const VkRect2D scissor = {{0, 0}, {1, 1}};
static const VkPipelineViewportStateCreateInfo viewport_state = {
VK_STRUCTURE_TYPE_PIPELINE_VIEWPORT_STATE_CREATE_INFO,
nullptr,
0, // VkPipelineViewportStateCreateFlags flags;
1, // uint32_t viewportCount
&viewport, // const VkViewport* pViewports
1, // uint32_t scissorCount
&scissor // const VkRect2D* pScissors
};
// Set viewport and scissor dynamic state so we can change it elsewhere.
static const VkDynamicState dynamic_states[] = {VK_DYNAMIC_STATE_VIEWPORT,
VK_DYNAMIC_STATE_SCISSOR};
static const VkPipelineDynamicStateCreateInfo dynamic_state = {
VK_STRUCTURE_TYPE_PIPELINE_DYNAMIC_STATE_CREATE_INFO, nullptr,
0, // VkPipelineDynamicStateCreateFlags flags
static_cast<u32>(ArraySize(dynamic_states)), // uint32_t dynamicStateCount
dynamic_states // const VkDynamicState* pDynamicStates
};
// Combine to full pipeline info structure.
VkGraphicsPipelineCreateInfo pipeline_info = {
VK_STRUCTURE_TYPE_GRAPHICS_PIPELINE_CREATE_INFO,
nullptr, // VkStructureType sType
0, // VkPipelineCreateFlags flags
num_shader_stages, // uint32_t stageCount
shader_stages, // const VkPipelineShaderStageCreateInfo* pStages
&vertex_input_state, // const VkPipelineVertexInputStateCreateInfo* pVertexInputState
&input_assembly_state, // const VkPipelineInputAssemblyStateCreateInfo* pInputAssemblyState
nullptr, // const VkPipelineTessellationStateCreateInfo* pTessellationState
&viewport_state, // const VkPipelineViewportStateCreateInfo* pViewportState
&rasterization_state, // const VkPipelineRasterizationStateCreateInfo* pRasterizationState
&multisample_state, // const VkPipelineMultisampleStateCreateInfo* pMultisampleState
&depth_stencil_state, // const VkPipelineDepthStencilStateCreateInfo* pDepthStencilState
&blend_state, // const VkPipelineColorBlendStateCreateInfo* pColorBlendState
&dynamic_state, // const VkPipelineDynamicStateCreateInfo* pDynamicState
info.pipeline_layout, // VkPipelineLayout layout
info.render_pass, // VkRenderPass renderPass
0, // uint32_t subpass
VK_NULL_HANDLE, // VkPipeline basePipelineHandle
-1 // int32_t basePipelineIndex
};
VkPipeline pipeline;
VkResult res = vkCreateGraphicsPipelines(g_vulkan_context->GetDevice(), m_pipeline_cache, 1,
&pipeline_info, nullptr, &pipeline);
if (res != VK_SUCCESS)
{
LOG_VULKAN_ERROR(res, "vkCreateGraphicsPipelines failed: ");
return VK_NULL_HANDLE;
}
return pipeline;
}
VkPipeline ObjectCache::GetPipeline(const PipelineInfo& info)
{
return GetPipelineWithCacheResult(info).first;
}
std::pair<VkPipeline, bool> ObjectCache::GetPipelineWithCacheResult(const PipelineInfo& info)
{
auto iter = m_pipeline_objects.find(info);
if (iter != m_pipeline_objects.end())
return {iter->second, true};
VkPipeline pipeline = CreatePipeline(info);
m_pipeline_objects.emplace(info, pipeline);
return {pipeline, false};
}
VkPipeline ObjectCache::CreateComputePipeline(const ComputePipelineInfo& info)
{
VkComputePipelineCreateInfo pipeline_info = {VK_STRUCTURE_TYPE_COMPUTE_PIPELINE_CREATE_INFO,
nullptr,
0,
{VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO,
nullptr, 0, VK_SHADER_STAGE_COMPUTE_BIT, info.cs,
"main", nullptr},
info.pipeline_layout,
VK_NULL_HANDLE,
-1};
VkPipeline pipeline;
VkResult res = vkCreateComputePipelines(g_vulkan_context->GetDevice(), VK_NULL_HANDLE, 1,
&pipeline_info, nullptr, &pipeline);
if (res != VK_SUCCESS)
{
LOG_VULKAN_ERROR(res, "vkCreateComputePipelines failed: ");
return VK_NULL_HANDLE;
}
return pipeline;
}
VkPipeline ObjectCache::GetComputePipeline(const ComputePipelineInfo& info)
{
auto iter = m_compute_pipeline_objects.find(info);
if (iter != m_compute_pipeline_objects.end())
return iter->second;
VkPipeline pipeline = CreateComputePipeline(info);
m_compute_pipeline_objects.emplace(info, pipeline);
return pipeline;
}
std::string ObjectCache::GetDiskCacheFileName(const char* type)
{
return StringFromFormat("%svulkan-%s-%s.cache", File::GetUserPath(D_SHADERCACHE_IDX).c_str(),
SConfig::GetInstance().GetGameID().c_str(), type);
}
class PipelineCacheReadCallback : public 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 LinearDiskCacheReader<u32, u8>
{
public:
void Read(const u32& key, const u8* value, u32 value_size) override {}
};
bool ObjectCache::CreatePipelineCache(bool load_from_disk)
{
// 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 = GetDiskCacheFileName("pipeline");
std::vector<u8> disk_data;
if (load_from_disk)
{
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);
disk_data.clear();
}
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.empty() ? disk_data.data() : nullptr, // 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: ");
info.initialDataSize = 0;
info.pInitialData = nullptr;
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;
}
// 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)
// TODO: Remove the #if here when GCC 5 is a minimum build requirement.
#if defined(__GNUC__) && !defined(__clang__) && __GNUC__ < 5
static_assert(std::has_trivial_copy_constructor<VK_PIPELINE_CACHE_HEADER>::value,
"VK_PIPELINE_CACHE_HEADER must be trivially copyable");
#else
static_assert(std::is_trivially_copyable<VK_PIPELINE_CACHE_HEADER>::value,
"VK_PIPELINE_CACHE_HEADER must be trivially copyable");
#endif
bool ObjectCache::ValidatePipelineCache(const u8* data, size_t data_length)
{
if (data_length < sizeof(VK_PIPELINE_CACHE_HEADER))
{
ERROR_LOG(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(VIDEO, "Pipeline cache failed validation: Invalid header length");
return false;
}
if (header.header_version != VK_PIPELINE_CACHE_HEADER_VERSION_ONE)
{
ERROR_LOG(VIDEO, "Pipeline cache failed validation: Invalid header version");
return false;
}
if (header.vendor_id != g_vulkan_context->GetDeviceProperties().vendorID)
{
ERROR_LOG(VIDEO,
"Pipeline cache failed validation: Incorrect vendor ID (file: 0x%X, device: 0x%X)",
header.vendor_id, g_vulkan_context->GetDeviceProperties().vendorID);
return false;
}
if (header.device_id != g_vulkan_context->GetDeviceProperties().deviceID)
{
ERROR_LOG(VIDEO,
"Pipeline cache failed validation: Incorrect device ID (file: 0x%X, device: 0x%X)",
header.device_id, g_vulkan_context->GetDeviceProperties().deviceID);
return false;
}
if (std::memcmp(header.uuid, g_vulkan_context->GetDeviceProperties().pipelineCacheUUID,
VK_UUID_SIZE) != 0)
{
ERROR_LOG(VIDEO, "Pipeline cache failed validation: Incorrect UUID");
return false;
}
return true;
}
void ObjectCache::DestroyPipelineCache()
{
for (const auto& it : m_pipeline_objects)
{
if (it.second != VK_NULL_HANDLE)
vkDestroyPipeline(g_vulkan_context->GetDevice(), it.second, nullptr);
}
m_pipeline_objects.clear();
for (const auto& it : m_compute_pipeline_objects)
{
if (it.second != VK_NULL_HANDLE)
vkDestroyPipeline(g_vulkan_context->GetDevice(), it.second, nullptr);
}
m_compute_pipeline_objects.clear();
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.
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();
}
// Cache inserter that is called back when reading from the file
template <typename Uid>
struct ShaderCacheReader : public LinearDiskCacheReader<Uid, u32>
{
ShaderCacheReader(std::map<Uid, VkShaderModule>& shader_map) : m_shader_map(shader_map) {}
void Read(const Uid& key, const u32* value, u32 value_size) override
{
// We don't insert null modules into the shader map since creation could succeed later on.
// e.g. we're generating bad code, but fix this in a later version, and for some reason
// the cache is not invalidated.
VkShaderModule module = Util::CreateShaderModule(value, value_size);
if (module == VK_NULL_HANDLE)
return;
m_shader_map.emplace(key, module);
}
std::map<Uid, VkShaderModule>& m_shader_map;
};
void ObjectCache::LoadShaderCaches()
{
if (g_ActiveConfig.bShaderCache)
{
ShaderCacheReader<VertexShaderUid> vs_reader(m_vs_cache.shader_map);
m_vs_cache.disk_cache.OpenAndRead(GetDiskCacheFileName("vs"), vs_reader);
ShaderCacheReader<PixelShaderUid> ps_reader(m_ps_cache.shader_map);
m_ps_cache.disk_cache.OpenAndRead(GetDiskCacheFileName("ps"), ps_reader);
if (g_vulkan_context->SupportsGeometryShaders())
{
ShaderCacheReader<GeometryShaderUid> gs_reader(m_gs_cache.shader_map);
m_gs_cache.disk_cache.OpenAndRead(GetDiskCacheFileName("gs"), gs_reader);
}
}
SETSTAT(stats.numPixelShadersCreated, static_cast<int>(m_ps_cache.shader_map.size()));
SETSTAT(stats.numPixelShadersAlive, static_cast<int>(m_ps_cache.shader_map.size()));
SETSTAT(stats.numVertexShadersCreated, static_cast<int>(m_vs_cache.shader_map.size()));
SETSTAT(stats.numVertexShadersAlive, static_cast<int>(m_vs_cache.shader_map.size()));
}
template <typename T>
static void DestroyShaderCache(T& cache)
{
cache.disk_cache.Close();
for (const auto& it : cache.shader_map)
{
if (it.second != VK_NULL_HANDLE)
vkDestroyShaderModule(g_vulkan_context->GetDevice(), it.second, nullptr);
}
cache.shader_map.clear();
}
void ObjectCache::DestroyShaderCaches()
{
DestroyShaderCache(m_vs_cache);
DestroyShaderCache(m_ps_cache);
if (g_vulkan_context->SupportsGeometryShaders())
DestroyShaderCache(m_gs_cache);
}
VkShaderModule ObjectCache::GetVertexShaderForUid(const VertexShaderUid& uid)
{
auto it = m_vs_cache.shader_map.find(uid);
if (it != m_vs_cache.shader_map.end())
return it->second;
// Not in the cache, so compile the shader.
ShaderCompiler::SPIRVCodeVector spv;
VkShaderModule module = VK_NULL_HANDLE;
ShaderCode source_code = GenerateVertexShaderCode(APIType::Vulkan, uid.GetUidData());
if (ShaderCompiler::CompileVertexShader(&spv, source_code.GetBuffer().c_str(),
source_code.GetBuffer().length()))
{
module = Util::CreateShaderModule(spv.data(), spv.size());
// Append to shader cache if it created successfully.
if (module != VK_NULL_HANDLE)
{
m_vs_cache.disk_cache.Append(uid, spv.data(), static_cast<u32>(spv.size()));
INCSTAT(stats.numVertexShadersCreated);
INCSTAT(stats.numVertexShadersAlive);
}
}
// We still insert null entries to prevent further compilation attempts.
m_vs_cache.shader_map.emplace(uid, module);
return module;
}
VkShaderModule ObjectCache::GetGeometryShaderForUid(const GeometryShaderUid& uid)
{
_assert_(g_vulkan_context->SupportsGeometryShaders());
auto it = m_gs_cache.shader_map.find(uid);
if (it != m_gs_cache.shader_map.end())
return it->second;
// Not in the cache, so compile the shader.
ShaderCompiler::SPIRVCodeVector spv;
VkShaderModule module = VK_NULL_HANDLE;
ShaderCode source_code = GenerateGeometryShaderCode(APIType::Vulkan, uid.GetUidData());
if (ShaderCompiler::CompileGeometryShader(&spv, source_code.GetBuffer().c_str(),
source_code.GetBuffer().length()))
{
module = Util::CreateShaderModule(spv.data(), spv.size());
// Append to shader cache if it created successfully.
if (module != VK_NULL_HANDLE)
m_gs_cache.disk_cache.Append(uid, spv.data(), static_cast<u32>(spv.size()));
}
// We still insert null entries to prevent further compilation attempts.
m_gs_cache.shader_map.emplace(uid, module);
return module;
}
VkShaderModule ObjectCache::GetPixelShaderForUid(const PixelShaderUid& uid)
{
auto it = m_ps_cache.shader_map.find(uid);
if (it != m_ps_cache.shader_map.end())
return it->second;
// Not in the cache, so compile the shader.
ShaderCompiler::SPIRVCodeVector spv;
VkShaderModule module = VK_NULL_HANDLE;
ShaderCode source_code = GeneratePixelShaderCode(APIType::Vulkan, uid.GetUidData());
if (ShaderCompiler::CompileFragmentShader(&spv, source_code.GetBuffer().c_str(),
source_code.GetBuffer().length()))
{
module = Util::CreateShaderModule(spv.data(), spv.size());
// Append to shader cache if it created successfully.
if (module != VK_NULL_HANDLE)
{
m_ps_cache.disk_cache.Append(uid, spv.data(), static_cast<u32>(spv.size()));
INCSTAT(stats.numPixelShadersCreated);
INCSTAT(stats.numPixelShadersAlive);
}
}
// We still insert null entries to prevent further compilation attempts.
m_ps_cache.shader_map.emplace(uid, module);
return module;
}
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;
}
}
void ObjectCache::RecompileSharedShaders()
{
DestroySharedShaders();
if (!CompileSharedShaders())
PanicAlert("Failed to recompile shared shaders.");
}
bool ObjectCache::CreateDescriptorSetLayouts()
{
static const VkDescriptorSetLayoutBinding ubo_set_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_GS, VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER_DYNAMIC, 1,
VK_SHADER_STAGE_GEOMETRY_BIT}};
// Annoying these have to be split, apparently we can't partially update an array without the
// validation layers throwing a warning.
static const VkDescriptorSetLayoutBinding sampler_set_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}};
static const VkDescriptorSetLayoutBinding ssbo_set_bindings[] = {
{0, VK_DESCRIPTOR_TYPE_STORAGE_BUFFER, 1, VK_SHADER_STAGE_FRAGMENT_BIT}};
static const VkDescriptorSetLayoutBinding texel_buffer_set_bindings[] = {
{0, VK_DESCRIPTOR_TYPE_UNIFORM_TEXEL_BUFFER, 1, VK_SHADER_STAGE_FRAGMENT_BIT},
};
static const VkDescriptorSetLayoutBinding 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_UNIFORM_TEXEL_BUFFER, 1, VK_SHADER_STAGE_COMPUTE_BIT},
{6, VK_DESCRIPTOR_TYPE_UNIFORM_TEXEL_BUFFER, 1, VK_SHADER_STAGE_COMPUTE_BIT},
{7, VK_DESCRIPTOR_TYPE_STORAGE_IMAGE, 1, VK_SHADER_STAGE_COMPUTE_BIT},
};
static const VkDescriptorSetLayoutCreateInfo create_infos[NUM_DESCRIPTOR_SET_LAYOUTS] = {
{VK_STRUCTURE_TYPE_DESCRIPTOR_SET_LAYOUT_CREATE_INFO, nullptr, 0,
static_cast<u32>(ArraySize(ubo_set_bindings)), ubo_set_bindings},
{VK_STRUCTURE_TYPE_DESCRIPTOR_SET_LAYOUT_CREATE_INFO, nullptr, 0,
static_cast<u32>(ArraySize(sampler_set_bindings)), sampler_set_bindings},
{VK_STRUCTURE_TYPE_DESCRIPTOR_SET_LAYOUT_CREATE_INFO, nullptr, 0,
static_cast<u32>(ArraySize(ssbo_set_bindings)), ssbo_set_bindings},
{VK_STRUCTURE_TYPE_DESCRIPTOR_SET_LAYOUT_CREATE_INFO, nullptr, 0,
static_cast<u32>(ArraySize(texel_buffer_set_bindings)), texel_buffer_set_bindings},
{VK_STRUCTURE_TYPE_DESCRIPTOR_SET_LAYOUT_CREATE_INFO, nullptr, 0,
static_cast<u32>(ArraySize(compute_set_bindings)), compute_set_bindings}};
for (size_t i = 0; i < NUM_DESCRIPTOR_SET_LAYOUTS; 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()
{
VkResult res;
// Descriptor sets for each pipeline layout
VkDescriptorSetLayout standard_sets[] = {
m_descriptor_set_layouts[DESCRIPTOR_SET_LAYOUT_UNIFORM_BUFFERS],
m_descriptor_set_layouts[DESCRIPTOR_SET_LAYOUT_PIXEL_SHADER_SAMPLERS]};
VkDescriptorSetLayout bbox_sets[] = {
m_descriptor_set_layouts[DESCRIPTOR_SET_LAYOUT_UNIFORM_BUFFERS],
m_descriptor_set_layouts[DESCRIPTOR_SET_LAYOUT_PIXEL_SHADER_SAMPLERS],
m_descriptor_set_layouts[DESCRIPTOR_SET_LAYOUT_SHADER_STORAGE_BUFFERS]};
VkDescriptorSetLayout texture_conversion_sets[] = {
m_descriptor_set_layouts[DESCRIPTOR_SET_LAYOUT_UNIFORM_BUFFERS],
m_descriptor_set_layouts[DESCRIPTOR_SET_LAYOUT_PIXEL_SHADER_SAMPLERS],
m_descriptor_set_layouts[DESCRIPTOR_SET_LAYOUT_TEXEL_BUFFERS]};
VkDescriptorSetLayout compute_sets[] = {m_descriptor_set_layouts[DESCRIPTOR_SET_LAYOUT_COMPUTE]};
VkPushConstantRange push_constant_range = {
VK_SHADER_STAGE_VERTEX_BIT | VK_SHADER_STAGE_FRAGMENT_BIT, 0, PUSH_CONSTANT_BUFFER_SIZE};
VkPushConstantRange compute_push_constant_range = {VK_SHADER_STAGE_COMPUTE_BIT, 0,
PUSH_CONSTANT_BUFFER_SIZE};
// Info for each pipeline layout
VkPipelineLayoutCreateInfo pipeline_layout_info[NUM_PIPELINE_LAYOUTS] = {
// Standard
{VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO, nullptr, 0,
static_cast<u32>(ArraySize(standard_sets)), standard_sets, 0, nullptr},
// BBox
{VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO, nullptr, 0,
static_cast<u32>(ArraySize(bbox_sets)), bbox_sets, 0, nullptr},
// Push Constant
{VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO, nullptr, 0,
static_cast<u32>(ArraySize(standard_sets)), standard_sets, 1, &push_constant_range},
// Texture Conversion
{VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO, nullptr, 0,
static_cast<u32>(ArraySize(texture_conversion_sets)), texture_conversion_sets, 1,
&push_constant_range},
// Compute
{VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO, nullptr, 0,
static_cast<u32>(ArraySize(compute_sets)), compute_sets, 1, &compute_push_constant_range}};
for (size_t i = 0; i < NUM_PIPELINE_LAYOUTS; i++)
{
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::CreateUtilityShaderVertexFormat()
{
PortableVertexDeclaration vtx_decl = {};
vtx_decl.position.enable = true;
vtx_decl.position.type = VAR_FLOAT;
vtx_decl.position.components = 4;
vtx_decl.position.integer = false;
vtx_decl.position.offset = offsetof(UtilityShaderVertex, Position);
vtx_decl.texcoords[0].enable = true;
vtx_decl.texcoords[0].type = VAR_FLOAT;
vtx_decl.texcoords[0].components = 4;
vtx_decl.texcoords[0].integer = false;
vtx_decl.texcoords[0].offset = offsetof(UtilityShaderVertex, TexCoord);
vtx_decl.colors[0].enable = true;
vtx_decl.colors[0].type = VAR_UNSIGNED_BYTE;
vtx_decl.colors[0].components = 4;
vtx_decl.colors[0].integer = false;
vtx_decl.colors[0].offset = offsetof(UtilityShaderVertex, Color);
vtx_decl.stride = sizeof(UtilityShaderVertex);
m_utility_shader_vertex_format = std::make_unique<VertexFormat>(vtx_decl);
return true;
}
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;
VkSamplerCreateInfo create_info = {
VK_STRUCTURE_TYPE_SAMPLER_CREATE_INFO, // VkStructureType sType
nullptr, // const void* pNext
0, // VkSamplerCreateFlags flags
info.mag_filter, // VkFilter magFilter
info.min_filter, // VkFilter minFilter
info.mipmap_mode, // VkSamplerMipmapMode mipmapMode
info.wrap_u, // VkSamplerAddressMode addressModeU
info.wrap_v, // VkSamplerAddressMode addressModeV
VK_SAMPLER_ADDRESS_MODE_CLAMP_TO_EDGE, // VkSamplerAddressMode addressModeW
static_cast<float>(info.lod_bias / 32.0f), // float mipLodBias
VK_FALSE, // VkBool32 anisotropyEnable
0.0f, // float maxAnisotropy
VK_FALSE, // VkBool32 compareEnable
VK_COMPARE_OP_ALWAYS, // VkCompareOp compareOp
static_cast<float>(info.min_lod / 16.0f), // float minLod
static_cast<float>(info.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.enable_anisotropic_filtering && g_vulkan_context->SupportsAnisotropicFiltering())
{
// Cap anisotropy to device limits.
create_info.anisotropyEnable = VK_TRUE;
create_info.maxAnisotropy = std::min(static_cast<float>(1 << g_ActiveConfig.iMaxAnisotropy),
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;
}
std::string ObjectCache::GetUtilityShaderHeader() const
{
std::stringstream ss;
if (g_ActiveConfig.iMultisamples > 1)
{
ss << "#define MSAA_ENABLED 1" << std::endl;
ss << "#define MSAA_SAMPLES " << g_ActiveConfig.iMultisamples << std::endl;
if (g_ActiveConfig.bSSAA)
ss << "#define SSAA_ENABLED 1" << std::endl;
}
u32 efb_layers = (g_ActiveConfig.iStereoMode != STEREO_OFF) ? 2 : 1;
ss << "#define EFB_LAYERS " << efb_layers << std::endl;
return ss.str();
}
// Comparison operators for PipelineInfos
// Since these all boil down to POD types, we can just memcmp the entire thing for speed
// The is_trivially_copyable check fails on MSVC due to BitField.
// TODO: Can we work around this any way?
#if defined(__GNUC__) && !defined(__clang__) && __GNUC__ < 5 && !defined(_MSC_VER)
static_assert(std::has_trivial_copy_constructor<PipelineInfo>::value,
"PipelineInfo is trivially copyable");
#elif !defined(_MSC_VER)
static_assert(std::is_trivially_copyable<PipelineInfo>::value,
"PipelineInfo is trivially copyable");
#endif
std::size_t PipelineInfoHash::operator()(const PipelineInfo& key) const
{
return static_cast<std::size_t>(XXH64(&key, sizeof(key), 0));
}
bool operator==(const PipelineInfo& lhs, const PipelineInfo& rhs)
{
return std::memcmp(&lhs, &rhs, sizeof(lhs)) == 0;
}
bool operator!=(const PipelineInfo& lhs, const PipelineInfo& rhs)
{
return !operator==(lhs, rhs);
}
bool operator<(const PipelineInfo& lhs, const PipelineInfo& rhs)
{
return std::memcmp(&lhs, &rhs, sizeof(lhs)) < 0;
}
bool operator>(const PipelineInfo& lhs, const PipelineInfo& rhs)
{
return std::memcmp(&lhs, &rhs, sizeof(lhs)) > 0;
}
bool operator==(const SamplerState& lhs, const SamplerState& rhs)
{
return lhs.bits == rhs.bits;
}
bool operator!=(const SamplerState& lhs, const SamplerState& rhs)
{
return !operator==(lhs, rhs);
}
bool operator>(const SamplerState& lhs, const SamplerState& rhs)
{
return lhs.bits > rhs.bits;
}
bool operator<(const SamplerState& lhs, const SamplerState& rhs)
{
return lhs.bits < rhs.bits;
}
std::size_t ComputePipelineInfoHash::operator()(const ComputePipelineInfo& key) const
{
return static_cast<std::size_t>(XXH64(&key, sizeof(key), 0));
}
bool operator==(const ComputePipelineInfo& lhs, const ComputePipelineInfo& rhs)
{
return std::memcmp(&lhs, &rhs, sizeof(lhs)) == 0;
}
bool operator!=(const ComputePipelineInfo& lhs, const ComputePipelineInfo& rhs)
{
return !operator==(lhs, rhs);
}
bool operator<(const ComputePipelineInfo& lhs, const ComputePipelineInfo& rhs)
{
return std::memcmp(&lhs, &rhs, sizeof(lhs)) < 0;
}
bool operator>(const ComputePipelineInfo& lhs, const ComputePipelineInfo& rhs)
{
return std::memcmp(&lhs, &rhs, sizeof(lhs)) > 0;
}
bool ObjectCache::CompileSharedShaders()
{
static const char PASSTHROUGH_VERTEX_SHADER_SOURCE[] = R"(
layout(location = 0) in vec4 ipos;
layout(location = 5) in vec4 icol0;
layout(location = 8) in vec3 itex0;
layout(location = 0) out vec3 uv0;
layout(location = 1) out vec4 col0;
void main()
{
gl_Position = ipos;
uv0 = itex0;
col0 = icol0;
}
)";
static const char PASSTHROUGH_GEOMETRY_SHADER_SOURCE[] = R"(
layout(triangles) in;
layout(triangle_strip, max_vertices = EFB_LAYERS * 3) out;
layout(location = 0) in vec3 in_uv0[];
layout(location = 1) in vec4 in_col0[];
layout(location = 0) out vec3 out_uv0;
layout(location = 1) out vec4 out_col0;
void main()
{
for (int j = 0; j < EFB_LAYERS; j++)
{
for (int i = 0; i < 3; i++)
{
gl_Layer = j;
gl_Position = gl_in[i].gl_Position;
out_uv0 = vec3(in_uv0[i].xy, float(j));
out_col0 = in_col0[i];
EmitVertex();
}
EndPrimitive();
}
}
)";
static const char SCREEN_QUAD_VERTEX_SHADER_SOURCE[] = R"(
layout(location = 0) out vec3 uv0;
void main()
{
/*
* id &1 &2 clamp(*2-1)
* 0 0,0 0,0 -1,-1 TL
* 1 1,0 1,0 1,-1 TR
* 2 0,2 0,1 -1,1 BL
* 3 1,2 1,1 1,1 BR
*/
vec2 rawpos = vec2(float(gl_VertexID & 1), clamp(float(gl_VertexID & 2), 0.0f, 1.0f));
gl_Position = vec4(rawpos * 2.0f - 1.0f, 0.0f, 1.0f);
uv0 = vec3(rawpos, 0.0f);
}
)";
static const char SCREEN_QUAD_GEOMETRY_SHADER_SOURCE[] = R"(
layout(triangles) in;
layout(triangle_strip, max_vertices = EFB_LAYERS * 3) out;
layout(location = 0) in vec3 in_uv0[];
layout(location = 0) out vec3 out_uv0;
void main()
{
for (int j = 0; j < EFB_LAYERS; j++)
{
for (int i = 0; i < 3; i++)
{
gl_Layer = j;
gl_Position = gl_in[i].gl_Position;
out_uv0 = vec3(in_uv0[i].xy, float(j));
EmitVertex();
}
EndPrimitive();
}
}
)";
std::string header = GetUtilityShaderHeader();
m_screen_quad_vertex_shader =
Util::CompileAndCreateVertexShader(header + SCREEN_QUAD_VERTEX_SHADER_SOURCE);
m_passthrough_vertex_shader =
Util::CompileAndCreateVertexShader(header + PASSTHROUGH_VERTEX_SHADER_SOURCE);
if (m_screen_quad_vertex_shader == VK_NULL_HANDLE ||
m_passthrough_vertex_shader == VK_NULL_HANDLE)
{
return false;
}
if (g_ActiveConfig.iStereoMode != STEREO_OFF && g_vulkan_context->SupportsGeometryShaders())
{
m_screen_quad_geometry_shader =
Util::CompileAndCreateGeometryShader(header + SCREEN_QUAD_GEOMETRY_SHADER_SOURCE);
m_passthrough_geometry_shader =
Util::CompileAndCreateGeometryShader(header + PASSTHROUGH_GEOMETRY_SHADER_SOURCE);
if (m_screen_quad_geometry_shader == VK_NULL_HANDLE ||
m_passthrough_geometry_shader == VK_NULL_HANDLE)
{
return false;
}
}
return true;
}
void ObjectCache::DestroySharedShaders()
{
auto DestroyShader = [this](VkShaderModule& shader) {
if (shader != VK_NULL_HANDLE)
{
vkDestroyShaderModule(g_vulkan_context->GetDevice(), shader, nullptr);
shader = VK_NULL_HANDLE;
}
};
DestroyShader(m_screen_quad_vertex_shader);
DestroyShader(m_passthrough_vertex_shader);
DestroyShader(m_screen_quad_geometry_shader);
DestroyShader(m_passthrough_geometry_shader);
}
}