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Xenia-Canary/src/xenia/gpu/vulkan/vulkan_pipeline_cache.h

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/**
******************************************************************************
* Xenia : Xbox 360 Emulator Research Project *
******************************************************************************
* Copyright 2022 Ben Vanik. All rights reserved. *
* Released under the BSD license - see LICENSE in the root for more details. *
******************************************************************************
*/
#ifndef XENIA_GPU_VULKAN_VULKAN_PIPELINE_STATE_CACHE_H_
#define XENIA_GPU_VULKAN_VULKAN_PIPELINE_STATE_CACHE_H_
#include <cstddef>
#include <cstring>
#include <functional>
#include <memory>
#include <unordered_map>
#include <utility>
#include "xenia/base/hash.h"
#include "xenia/base/platform.h"
#include "xenia/base/xxhash.h"
#include "xenia/gpu/primitive_processor.h"
#include "xenia/gpu/register_file.h"
#include "xenia/gpu/registers.h"
#include "xenia/gpu/spirv_shader_translator.h"
#include "xenia/gpu/vulkan/vulkan_render_target_cache.h"
#include "xenia/gpu/vulkan/vulkan_shader.h"
#include "xenia/gpu/xenos.h"
#include "xenia/ui/vulkan/vulkan_provider.h"
namespace xe {
namespace gpu {
namespace vulkan {
class VulkanCommandProcessor;
// TODO(Triang3l): Create a common base for both the Vulkan and the Direct3D
// implementations.
class VulkanPipelineCache {
public:
static constexpr size_t kLayoutUIDEmpty = 0;
class PipelineLayoutProvider {
public:
virtual ~PipelineLayoutProvider() {}
virtual VkPipelineLayout GetPipelineLayout() const = 0;
protected:
PipelineLayoutProvider() = default;
};
VulkanPipelineCache(VulkanCommandProcessor& command_processor,
const RegisterFile& register_file,
VulkanRenderTargetCache& render_target_cache,
VkShaderStageFlags guest_shader_vertex_stages);
~VulkanPipelineCache();
bool Initialize();
void Shutdown();
VulkanShader* LoadShader(xenos::ShaderType shader_type,
const uint32_t* host_address, uint32_t dword_count);
// Analyze shader microcode on the translator thread.
void AnalyzeShaderUcode(Shader& shader) {
shader.AnalyzeUcode(ucode_disasm_buffer_);
}
// Retrieves the shader modification for the current state. The shader must
// have microcode analyzed.
SpirvShaderTranslator::Modification GetCurrentVertexShaderModification(
const Shader& shader,
Shader::HostVertexShaderType host_vertex_shader_type) const;
SpirvShaderTranslator::Modification GetCurrentPixelShaderModification(
const Shader& shader, uint32_t normalized_color_mask) const;
bool EnsureShadersTranslated(VulkanShader::VulkanTranslation* vertex_shader,
VulkanShader::VulkanTranslation* pixel_shader);
// TODO(Triang3l): Return a deferred creation handle.
bool ConfigurePipeline(
VulkanShader::VulkanTranslation* vertex_shader,
VulkanShader::VulkanTranslation* pixel_shader,
const PrimitiveProcessor::ProcessingResult& primitive_processing_result,
reg::RB_DEPTHCONTROL normalized_depth_control,
uint32_t normalized_color_mask,
VulkanRenderTargetCache::RenderPassKey render_pass_key,
VkPipeline& pipeline_out,
const PipelineLayoutProvider*& pipeline_layout_out);
private:
enum class PipelineGeometryShader : uint32_t {
kNone,
kRectangleList,
kQuadList,
};
enum class PipelinePrimitiveTopology : uint32_t {
kPointList,
kLineList,
kLineStrip,
kTriangleList,
kTriangleStrip,
kTriangleFan,
kLineListWithAdjacency,
kPatchList,
};
enum class PipelinePolygonMode : uint32_t {
kFill,
kLine,
kPoint,
};
enum class PipelineBlendFactor : uint32_t {
kZero,
kOne,
kSrcColor,
kOneMinusSrcColor,
kDstColor,
kOneMinusDstColor,
kSrcAlpha,
kOneMinusSrcAlpha,
kDstAlpha,
kOneMinusDstAlpha,
kConstantColor,
kOneMinusConstantColor,
kConstantAlpha,
kOneMinusConstantAlpha,
kSrcAlphaSaturate,
};
// Update PipelineDescription::kVersion if anything is changed!
XEPACKEDSTRUCT(PipelineRenderTarget, {
PipelineBlendFactor src_color_blend_factor : 4; // 4
PipelineBlendFactor dst_color_blend_factor : 4; // 8
xenos::BlendOp color_blend_op : 3; // 11
PipelineBlendFactor src_alpha_blend_factor : 4; // 15
PipelineBlendFactor dst_alpha_blend_factor : 4; // 19
xenos::BlendOp alpha_blend_op : 3; // 22
uint32_t color_write_mask : 4; // 26
});
XEPACKEDSTRUCT(PipelineDescription, {
uint64_t vertex_shader_hash;
uint64_t vertex_shader_modification;
// 0 if no pixel shader.
uint64_t pixel_shader_hash;
uint64_t pixel_shader_modification;
VulkanRenderTargetCache::RenderPassKey render_pass_key;
// Shader stages.
PipelineGeometryShader geometry_shader : 2; // 2
// Input assembly.
PipelinePrimitiveTopology primitive_topology : 3; // 5
uint32_t primitive_restart : 1; // 6
// Rasterization.
uint32_t depth_clamp_enable : 1; // 7
PipelinePolygonMode polygon_mode : 2; // 9
uint32_t cull_front : 1; // 10
uint32_t cull_back : 1; // 11
uint32_t front_face_clockwise : 1; // 12
// Depth / stencil.
uint32_t depth_write_enable : 1; // 13
xenos::CompareFunction depth_compare_op : 3; // 15
uint32_t stencil_test_enable : 1; // 17
xenos::StencilOp stencil_front_fail_op : 3; // 20
xenos::StencilOp stencil_front_pass_op : 3; // 23
xenos::StencilOp stencil_front_depth_fail_op : 3; // 26
xenos::CompareFunction stencil_front_compare_op : 3; // 29
xenos::StencilOp stencil_back_fail_op : 3; // 32
xenos::StencilOp stencil_back_pass_op : 3; // 3
xenos::StencilOp stencil_back_depth_fail_op : 3; // 6
xenos::CompareFunction stencil_back_compare_op : 3; // 9
// Filled only for the attachments present in the render pass object.
PipelineRenderTarget render_targets[xenos::kMaxColorRenderTargets];
// Including all the padding, for a stable hash.
PipelineDescription() { Reset(); }
PipelineDescription(const PipelineDescription& description) {
std::memcpy(this, &description, sizeof(*this));
}
PipelineDescription& operator=(const PipelineDescription& description) {
std::memcpy(this, &description, sizeof(*this));
return *this;
}
bool operator==(const PipelineDescription& description) const {
return std::memcmp(this, &description, sizeof(*this)) == 0;
}
void Reset() { std::memset(this, 0, sizeof(*this)); }
uint64_t GetHash() const { return XXH3_64bits(this, sizeof(*this)); }
struct Hasher {
size_t operator()(const PipelineDescription& description) const {
return size_t(description.GetHash());
}
};
});
struct Pipeline {
VkPipeline pipeline = VK_NULL_HANDLE;
// The layouts are owned by the VulkanCommandProcessor, and must not be
// destroyed by it while the pipeline cache is active.
const PipelineLayoutProvider* pipeline_layout;
Pipeline(const PipelineLayoutProvider* pipeline_layout_provider)
: pipeline_layout(pipeline_layout_provider) {}
};
// Description that can be passed from the command processor thread to the
// creation threads, with everything needed from caches pre-looked-up.
struct PipelineCreationArguments {
std::pair<const PipelineDescription, Pipeline>* pipeline;
const VulkanShader::VulkanTranslation* vertex_shader;
const VulkanShader::VulkanTranslation* pixel_shader;
VkShaderModule geometry_shader;
VkRenderPass render_pass;
};
union GeometryShaderKey {
uint32_t key;
struct {
PipelineGeometryShader type : 2;
uint32_t interpolator_count : 5;
uint32_t user_clip_plane_count : 3;
uint32_t user_clip_plane_cull : 1;
uint32_t has_vertex_kill_and : 1;
uint32_t has_point_size : 1;
uint32_t has_point_coordinates : 1;
};
GeometryShaderKey() : key(0) { static_assert_size(*this, sizeof(key)); }
struct Hasher {
size_t operator()(const GeometryShaderKey& key) const {
return std::hash<uint32_t>{}(key.key);
}
};
bool operator==(const GeometryShaderKey& other_key) const {
return key == other_key.key;
}
bool operator!=(const GeometryShaderKey& other_key) const {
return !(*this == other_key);
}
};
// Can be called from multiple threads.
bool TranslateAnalyzedShader(SpirvShaderTranslator& translator,
VulkanShader::VulkanTranslation& translation);
void WritePipelineRenderTargetDescription(
reg::RB_BLENDCONTROL blend_control, uint32_t write_mask,
PipelineRenderTarget& render_target_out) const;
bool GetCurrentStateDescription(
const VulkanShader::VulkanTranslation* vertex_shader,
const VulkanShader::VulkanTranslation* pixel_shader,
const PrimitiveProcessor::ProcessingResult& primitive_processing_result,
reg::RB_DEPTHCONTROL normalized_depth_control,
uint32_t normalized_color_mask,
VulkanRenderTargetCache::RenderPassKey render_pass_key,
PipelineDescription& description_out) const;
// Whether the pipeline for the given description is supported by the device.
bool ArePipelineRequirementsMet(const PipelineDescription& description) const;
static bool GetGeometryShaderKey(PipelineGeometryShader geometry_shader_type,
GeometryShaderKey& key_out);
VkShaderModule GetGeometryShader(GeometryShaderKey key);
// Can be called from creation threads - all needed data must be fully set up
// at the point of the call: shaders must be translated, pipeline layout and
// render pass objects must be available.
bool EnsurePipelineCreated(
const PipelineCreationArguments& creation_arguments);
VulkanCommandProcessor& command_processor_;
const RegisterFile& register_file_;
VulkanRenderTargetCache& render_target_cache_;
VkShaderStageFlags guest_shader_vertex_stages_;
// Temporary storage for AnalyzeUcode calls on the processor thread.
StringBuffer ucode_disasm_buffer_;
// Reusable shader translator on the command processor thread.
std::unique_ptr<SpirvShaderTranslator> shader_translator_;
struct LayoutUID {
size_t uid;
size_t vector_span_offset;
size_t vector_span_length;
};
std::mutex layouts_mutex_;
// Texture binding layouts of different shaders, for obtaining layout UIDs.
std::vector<VulkanShader::TextureBinding> texture_binding_layouts_;
// Map of texture binding layouts used by shaders, for obtaining UIDs. Keys
// are XXH3 hashes of layouts, values need manual collision resolution using
// layout_vector_offset:layout_length of texture_binding_layouts_.
std::unordered_multimap<uint64_t, LayoutUID,
xe::hash::IdentityHasher<uint64_t>>
texture_binding_layout_map_;
// Ucode hash -> shader.
std::unordered_map<uint64_t, VulkanShader*,
xe::hash::IdentityHasher<uint64_t>>
shaders_;
// Geometry shaders for Xenos primitive types not supported by Vulkan.
// Stores VK_NULL_HANDLE if failed to create.
std::unordered_map<GeometryShaderKey, VkShaderModule,
GeometryShaderKey::Hasher>
geometry_shaders_;
std::unordered_map<PipelineDescription, Pipeline, PipelineDescription::Hasher>
pipelines_;
// Previously used pipeline, to avoid lookups if the state wasn't changed.
const std::pair<const PipelineDescription, Pipeline>* last_pipeline_ =
nullptr;
};
} // namespace vulkan
} // namespace gpu
} // namespace xe
#endif // XENIA_GPU_VULKAN_VULKAN_PIPELINE_STATE_CACHE_H_