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// Copyright 2016 Dolphin Emulator Project
// Licensed under GPLv2+
// Refer to the license.txt file included.
#pragma once
#include <array>
#include <cstddef>
#include <map>
#include <memory>
#include <string>
#include <unordered_map>
#include "Common/CommonTypes.h"
#include "Common/LinearDiskCache.h"
#include "VideoBackends/Vulkan/Constants.h"
#include "VideoCommon/GeometryShaderGen.h"
#include "VideoCommon/PixelShaderGen.h"
#include "VideoCommon/VertexShaderGen.h"
namespace Vulkan
{
class CommandBufferManager;
class VertexFormat;
class StreamBuffer;
struct PipelineInfo
{
// These are packed in descending order of size, to avoid any padding so that the structure
// can be copied/compared as a single block of memory. 64-bit pointer size is assumed.
const VertexFormat* vertex_format;
VkPipelineLayout pipeline_layout;
VkShaderModule vs;
VkShaderModule gs;
VkShaderModule ps;
VkRenderPass render_pass;
BlendState blend_state;
RasterizationState rasterization_state;
DepthStencilState depth_stencil_state;
VkPrimitiveTopology primitive_topology;
};
struct PipelineInfoHash
{
std::size_t operator()(const PipelineInfo& key) const;
};
bool operator==(const PipelineInfo& lhs, const PipelineInfo& rhs);
bool operator!=(const PipelineInfo& lhs, const PipelineInfo& rhs);
bool operator<(const PipelineInfo& lhs, const PipelineInfo& rhs);
bool operator>(const PipelineInfo& lhs, const PipelineInfo& rhs);
bool operator==(const SamplerState& lhs, const SamplerState& rhs);
bool operator!=(const SamplerState& lhs, const SamplerState& rhs);
bool operator>(const SamplerState& lhs, const SamplerState& rhs);
bool operator<(const SamplerState& lhs, const SamplerState& rhs);
class ObjectCache
{
public:
ObjectCache();
~ObjectCache();
// We have four shared pipeline layouts:
// - Standard
// - Per-stage UBO (VS/GS/PS, VS constants accessible from PS)
// - 8 combined image samplers (accessible from PS)
// - BBox Enabled
// - Same as standard, plus a single SSBO accessible from PS
// - Push Constant
// - Same as standard, plus 128 bytes of push constants, accessible from all stages.
//
// All three pipeline layouts use the same descriptor set layouts, but the final descriptor set
// (SSBO) is only required when using the BBox Enabled pipeline layout.
//
VkDescriptorSetLayout GetDescriptorSetLayout(DESCRIPTOR_SET set) const
{
return m_descriptor_set_layouts[set];
}
VkPipelineLayout GetStandardPipelineLayout() const { return m_standard_pipeline_layout; }
VkPipelineLayout GetBBoxPipelineLayout() const { return m_bbox_pipeline_layout; }
VkPipelineLayout GetPushConstantPipelineLayout() const { return m_push_constant_pipeline_layout; }
// Shared utility shader resources
VertexFormat* GetUtilityShaderVertexFormat() const
{
return m_utility_shader_vertex_format.get();
}
StreamBuffer* GetUtilityShaderVertexBuffer() const
{
return m_utility_shader_vertex_buffer.get();
}
StreamBuffer* GetUtilityShaderUniformBuffer() const
{
return m_utility_shader_uniform_buffer.get();
}
// Get utility shader header based on current config.
std::string GetUtilityShaderHeader() const;
// Accesses ShaderGen shader caches
VkShaderModule GetVertexShaderForUid(const VertexShaderUid& uid);
VkShaderModule GetGeometryShaderForUid(const GeometryShaderUid& uid);
VkShaderModule GetPixelShaderForUid(const PixelShaderUid& uid, DSTALPHA_MODE dstalpha_mode);
// Static samplers
VkSampler GetPointSampler() const { return m_point_sampler; }
VkSampler GetLinearSampler() const { return m_linear_sampler; }
VkSampler GetSampler(const SamplerState& info);
// Perform at startup, create descriptor layouts, compiles all static shaders.
bool Initialize();
// Find a pipeline by the specified description, if not found, attempts to create it
VkPipeline GetPipeline(const PipelineInfo& info);
// Wipes out the pipeline cache, use when MSAA modes change, for example
// Also destroys the data that would be stored in the disk cache.
void ClearPipelineCache();
// Saves the pipeline cache to disk. Call when shutting down.
void SavePipelineCache();
// Clear sampler cache, use when anisotropy mode changes
// WARNING: Ensure none of the objects from here are in use when calling
void ClearSamplerCache();
// Recompile shared shaders, call when stereo mode changes.
void RecompileSharedShaders();
// Shared shader accessors
VkShaderModule GetScreenQuadVertexShader() const { return m_screen_quad_vertex_shader; }
VkShaderModule GetPassthroughVertexShader() const { return m_passthrough_vertex_shader; }
VkShaderModule GetScreenQuadGeometryShader() const { return m_screen_quad_geometry_shader; }
VkShaderModule GetPassthroughGeometryShader() const { return m_passthrough_geometry_shader; }
private:
bool CreatePipelineCache(bool load_from_disk);
void DestroyPipelineCache();
void LoadShaderCaches();
void DestroyShaderCaches();
bool CreateDescriptorSetLayouts();
void DestroyDescriptorSetLayouts();
bool CreatePipelineLayouts();
void DestroyPipelineLayouts();
bool CreateUtilityShaderVertexFormat();
bool CreateStaticSamplers();
bool CompileSharedShaders();
void DestroySharedShaders();
void DestroySamplers();
std::string GetDiskCacheFileName(const char* type);
std::array<VkDescriptorSetLayout, NUM_DESCRIPTOR_SETS> m_descriptor_set_layouts = {};
VkPipelineLayout m_standard_pipeline_layout = VK_NULL_HANDLE;
VkPipelineLayout m_bbox_pipeline_layout = VK_NULL_HANDLE;
VkPipelineLayout m_push_constant_pipeline_layout = VK_NULL_HANDLE;
std::unique_ptr<VertexFormat> m_utility_shader_vertex_format;
std::unique_ptr<StreamBuffer> m_utility_shader_vertex_buffer;
std::unique_ptr<StreamBuffer> m_utility_shader_uniform_buffer;
template <typename Uid>
struct ShaderCache
{
std::map<Uid, VkShaderModule> shader_map;
LinearDiskCache<Uid, u32> disk_cache;
};
ShaderCache<VertexShaderUid> m_vs_cache;
ShaderCache<GeometryShaderUid> m_gs_cache;
ShaderCache<PixelShaderUid> m_ps_cache;
std::unordered_map<PipelineInfo, VkPipeline, PipelineInfoHash> m_pipeline_objects;
VkPipelineCache m_pipeline_cache = VK_NULL_HANDLE;
std::string m_pipeline_cache_filename;
VkSampler m_point_sampler = VK_NULL_HANDLE;
VkSampler m_linear_sampler = VK_NULL_HANDLE;
std::map<SamplerState, VkSampler> m_sampler_cache;
// Utility/shared shaders
VkShaderModule m_screen_quad_vertex_shader = VK_NULL_HANDLE;
VkShaderModule m_passthrough_vertex_shader = VK_NULL_HANDLE;
VkShaderModule m_screen_quad_geometry_shader = VK_NULL_HANDLE;
VkShaderModule m_passthrough_geometry_shader = VK_NULL_HANDLE;
};
extern std::unique_ptr<ObjectCache> g_object_cache;
} // namespace Vulkan
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