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shader/registry: Store graphics and compute metadata

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Store information GLSL forces us to provide but it's dynamic state in
hardware (workgroup sizes, primitive topology, shared memory size).
This commit is contained in:
ReinUsesLisp 2020-02-29 03:49:51 -03:00
parent e8efd5a901
commit 0528be5c92
8 changed files with 176 additions and 75 deletions
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28
src/video_core/renderer_opengl/gl_shader_cache.cpp
View file

@ -166,8 +166,9 @@ std::string MakeShaderID(u64 unique_identifier, ShaderType shader_type) {
std::shared_ptr<Registry> MakeRegistry(const ShaderDiskCacheEntry& entry) {
const VideoCore::GuestDriverProfile guest_profile{entry.texture_handler_size};
auto registry = std::make_shared<Registry>(entry.type, guest_profile);
registry->SetBoundBuffer(entry.bound_buffer);
const VideoCommon::Shader::SerializedRegistryInfo info{guest_profile, entry.bound_buffer,
entry.graphics_info, entry.compute_info};
const auto registry = std::make_shared<Registry>(entry.type, info);
for (const auto& [address, value] : entry.keys) {
const auto [buffer, offset] = address;
registry->InsertKey(buffer, offset, value);
@ -184,9 +185,9 @@ std::shared_ptr<Registry> MakeRegistry(const ShaderDiskCacheEntry& entry) {
std::shared_ptr<OGLProgram> BuildShader(const Device& device, ShaderType shader_type,
u64 unique_identifier, const ShaderIR& ir,
bool hint_retrievable = false) {
const Registry& registry, bool hint_retrievable = false) {
LOG_INFO(Render_OpenGL, "{}", MakeShaderID(unique_identifier, shader_type));
const std::string glsl = DecompileShader(device, ir, shader_type);
const std::string glsl = DecompileShader(device, ir, registry, shader_type);
OGLShader shader;
shader.Create(glsl.c_str(), GetGLShaderType(shader_type));
@ -239,7 +240,7 @@ Shader CachedShader::CreateStageFromMemory(const ShaderParameters& params,
// if (!code_b.empty()) {
// ir_b.emplace(code_b, STAGE_MAIN_OFFSET);
// }
auto program = BuildShader(params.device, shader_type, params.unique_identifier, ir);
auto program = BuildShader(params.device, shader_type, params.unique_identifier, ir, *registry);
ShaderDiskCacheEntry entry;
entry.type = shader_type;
@ -247,6 +248,7 @@ Shader CachedShader::CreateStageFromMemory(const ShaderParameters& params,
entry.code_b = std::move(code_b);
entry.unique_identifier = params.unique_identifier;
entry.bound_buffer = registry->GetBoundBuffer();
entry.graphics_info = registry->GetGraphicsInfo();
entry.keys = registry->GetKeys();
entry.bound_samplers = registry->GetBoundSamplers();
entry.bindless_samplers = registry->GetBindlessSamplers();
@ -260,16 +262,18 @@ Shader CachedShader::CreateStageFromMemory(const ShaderParameters& params,
Shader CachedShader::CreateKernelFromMemory(const ShaderParameters& params, ProgramCode code) {
const std::size_t size_in_bytes = code.size() * sizeof(u64);
auto registry =
std::make_shared<Registry>(ShaderType::Compute, params.system.GPU().KeplerCompute());
auto& engine = params.system.GPU().KeplerCompute();
auto registry = std::make_shared<Registry>(ShaderType::Compute, engine);
const ShaderIR ir(code, KERNEL_MAIN_OFFSET, COMPILER_SETTINGS, *registry);
auto program = BuildShader(params.device, ShaderType::Compute, params.unique_identifier, ir);
const u64 uid = params.unique_identifier;
auto program = BuildShader(params.device, ShaderType::Compute, uid, ir, *registry);
ShaderDiskCacheEntry entry;
entry.type = ShaderType::Compute;
entry.code = std::move(code);
entry.unique_identifier = params.unique_identifier;
entry.unique_identifier = uid;
entry.bound_buffer = registry->GetBoundBuffer();
entry.compute_info = registry->GetComputeInfo();
entry.keys = registry->GetKeys();
entry.bound_samplers = registry->GetBoundSamplers();
entry.bindless_samplers = registry->GetBindlessSamplers();
@ -331,8 +335,8 @@ void ShaderCacheOpenGL::LoadDiskCache(const std::atomic_bool& stop_loading,
return;
}
const auto& entry = (*transferable)[i];
const u64 unique_identifier = entry.unique_identifier;
const auto it = find_precompiled(unique_identifier);
const u64 uid = entry.unique_identifier;
const auto it = find_precompiled(uid);
const auto precompiled_entry = it != gl_cache.end() ? &*it : nullptr;
const bool is_compute = entry.type == ShaderType::Compute;
@ -350,7 +354,7 @@ void ShaderCacheOpenGL::LoadDiskCache(const std::atomic_bool& stop_loading,
}
if (!program) {
// Otherwise compile it from GLSL
program = BuildShader(device, entry.type, unique_identifier, ir, true);
program = BuildShader(device, entry.type, uid, ir, *registry, true);
}
PrecompiledShader shader;

84
src/video_core/renderer_opengl/gl_shader_decompiler.cpp
View file

@ -36,6 +36,7 @@ using Tegra::Shader::IpaInterpMode;
using Tegra::Shader::IpaMode;
using Tegra::Shader::IpaSampleMode;
using Tegra::Shader::Register;
using VideoCommon::Shader::Registry;
using namespace std::string_literals;
using namespace VideoCommon::Shader;
@ -288,6 +289,30 @@ const char* GetImageTypeDeclaration(Tegra::Shader::ImageType image_type) {
}
}
/// Describes primitive behavior on geometry shaders
std::pair<const char*, u32> GetPrimitiveDescription(Maxwell::PrimitiveTopology topology) {
switch (topology) {
case Maxwell::PrimitiveTopology::Points:
return {"points", 1};
case Maxwell::PrimitiveTopology::Lines:
case Maxwell::PrimitiveTopology::LineStrip:
return {"lines", 2};
case Maxwell::PrimitiveTopology::LinesAdjacency:
case Maxwell::PrimitiveTopology::LineStripAdjacency:
return {"lines_adjacency", 4};
case Maxwell::PrimitiveTopology::Triangles:
case Maxwell::PrimitiveTopology::TriangleStrip:
case Maxwell::PrimitiveTopology::TriangleFan:
return {"triangles", 3};
case Maxwell::PrimitiveTopology::TrianglesAdjacency:
case Maxwell::PrimitiveTopology::TriangleStripAdjacency:
return {"triangles_adjacency", 6};
default:
UNIMPLEMENTED_MSG("topology={}", static_cast<int>(topology));
return {"points", 1};
}
}
/// Generates code to use for a swizzle operation.
constexpr const char* GetSwizzle(std::size_t element) {
constexpr std::array swizzle = {".x", ".y", ".z", ".w"};
@ -367,15 +392,17 @@ std::string FlowStackTopName(MetaStackClass stack) {
class GLSLDecompiler final {
public:
explicit GLSLDecompiler(const Device& device, const ShaderIR& ir, ShaderType stage,
std::string_view suffix)
: device{device}, ir{ir}, stage{stage}, suffix{suffix}, header{ir.GetHeader()} {}
explicit GLSLDecompiler(const Device& device, const ShaderIR& ir, const Registry& registry,
ShaderType stage, std::string_view suffix)
: device{device}, ir{ir}, registry{registry}, stage{stage}, suffix{suffix},
header{ir.GetHeader()} {}
void Decompile() {
DeclareHeader();
DeclareVertex();
DeclareGeometry();
DeclareFragment();
DeclareCompute();
DeclareRegisters();
DeclareCustomVariables();
DeclarePredicates();
@ -489,9 +516,15 @@ private:
return;
}
const auto& info = registry.GetGraphicsInfo();
const auto input_topology = info.primitive_topology;
const auto [glsl_topology, max_vertices] = GetPrimitiveDescription(input_topology);
max_input_vertices = max_vertices;
code.AddLine("layout ({}) in;", glsl_topology);
const auto topology = GetTopologyName(header.common3.output_topology);
const auto max_vertices = header.common4.max_output_vertices.Value();
code.AddLine("layout ({}, max_vertices = {}) out;", topology, max_vertices);
const auto max_output_vertices = header.common4.max_output_vertices.Value();
code.AddLine("layout ({}, max_vertices = {}) out;", topology, max_output_vertices);
code.AddNewLine();
code.AddLine("in gl_PerVertex {{");
@ -513,7 +546,8 @@ private:
if (!IsRenderTargetEnabled(render_target)) {
continue;
}
code.AddLine("layout (location = {}) out vec4 frag_color{};", render_target, render_target);
code.AddLine("layout (location = {}) out vec4 frag_color{};", render_target,
render_target);
any = true;
}
if (any) {
@ -521,6 +555,20 @@ private:
}
}
void DeclareCompute() {
if (stage != ShaderType::Compute) {
return;
}
const auto& info = registry.GetComputeInfo();
if (const u32 size = info.shared_memory_size_in_words; size > 0) {
code.AddLine("shared uint smem[];", size);
code.AddNewLine();
}
code.AddLine("layout (local_size_x = {}, local_size_y = {}, local_size_z = {}) in;",
info.workgroup_size[0], info.workgroup_size[1], info.workgroup_size[2]);
code.AddNewLine();
}
void DeclareVertexRedeclarations() {
code.AddLine("out gl_PerVertex {{");
++code.scope;
@ -596,18 +644,16 @@ private:
}
void DeclareLocalMemory() {
u64 local_memory_size = 0;
if (stage == ShaderType::Compute) {
code.AddLine("#ifdef LOCAL_MEMORY_SIZE");
code.AddLine("uint {}[LOCAL_MEMORY_SIZE];", GetLocalMemory());
code.AddLine("#endif");
return;
local_memory_size = registry.GetComputeInfo().local_memory_size_in_words * 4ULL;
} else {
local_memory_size = header.GetLocalMemorySize();
}
const u64 local_memory_size = header.GetLocalMemorySize();
if (local_memory_size == 0) {
return;
}
const auto element_count = Common::AlignUp(local_memory_size, 4) / 4;
const u64 element_count = Common::AlignUp(local_memory_size, 4) / 4;
code.AddLine("uint {}[{}];", GetLocalMemory(), element_count);
code.AddNewLine();
}
@ -996,7 +1042,8 @@ private:
// TODO(Rodrigo): Guard geometry inputs against out of bound reads. Some games
// set an 0x80000000 index for those and the shader fails to build. Find out why
// this happens and what's its intent.
return fmt::format("gs_{}[{} % MAX_VERTEX_INPUT]", name, Visit(buffer).AsUint());
return fmt::format("gs_{}[{} % {}]", name, Visit(buffer).AsUint(),
max_input_vertices.value());
}
return std::string(name);
};
@ -2428,11 +2475,14 @@ private:
const Device& device;
const ShaderIR& ir;
const Registry& registry;
const ShaderType stage;
const std::string_view suffix;
const Header header;
ShaderWriter code;
std::optional<u32> max_input_vertices;
};
std::string GetFlowVariable(u32 index) {
@ -2647,9 +2697,9 @@ ShaderEntries MakeEntries(const VideoCommon::Shader::ShaderIR& ir) {
return entries;
}
std::string DecompileShader(const Device& device, const ShaderIR& ir, ShaderType stage,
std::string_view suffix) {
GLSLDecompiler decompiler(device, ir, stage, suffix);
std::string DecompileShader(const Device& device, const ShaderIR& ir, const Registry& registry,
ShaderType stage, std::string_view suffix) {
GLSLDecompiler decompiler(device, ir, registry, stage, suffix);
decompiler.Decompile();
return decompiler.GetResult();
}

6
src/video_core/renderer_opengl/gl_shader_decompiler.h
View file

@ -12,12 +12,9 @@
#include "common/common_types.h"
#include "video_core/engines/maxwell_3d.h"
#include "video_core/engines/shader_type.h"
#include "video_core/shader/registry.h"
#include "video_core/shader/shader_ir.h"
namespace VideoCommon::Shader {
class ShaderIR;
}
namespace OpenGL {
class Device;
@ -80,6 +77,7 @@ struct ShaderEntries {
ShaderEntries MakeEntries(const VideoCommon::Shader::ShaderIR& ir);
std::string DecompileShader(const Device& device, const VideoCommon::Shader::ShaderIR& ir,
const VideoCommon::Shader::Registry& registry,
Tegra::Engines::ShaderType stage, std::string_view suffix = {});
} // namespace OpenGL

12
src/video_core/renderer_opengl/gl_shader_disk_cache.cpp
View file

@ -48,7 +48,7 @@ struct BindlessSamplerKey {
Tegra::Engines::SamplerDescriptor sampler;
};
constexpr u32 NativeVersion = 16;
constexpr u32 NativeVersion = 17;
ShaderCacheVersionHash GetShaderCacheVersionHash() {
ShaderCacheVersionHash hash{};
@ -83,15 +83,16 @@ bool ShaderDiskCacheEntry::Load(FileUtil::IOFile& file) {
return false;
}
bool is_texture_handler_size_known;
u8 is_texture_handler_size_known;
u32 texture_handler_size_value;
u32 num_keys;
u32 num_bound_samplers;
u32 num_bindless_samplers;
if (file.ReadArray(&unique_identifier, 1) != 1 || file.ReadArray(&bound_buffer, 1) != 1 ||
file.ReadArray(&is_texture_handler_size_known, 1) != 1 ||
file.ReadArray(&texture_handler_size_value, 1) != 1 || file.ReadArray(&num_keys, 1) != 1 ||
file.ReadArray(&num_bound_samplers, 1) != 1 ||
file.ReadArray(&texture_handler_size_value, 1) != 1 ||
file.ReadArray(&graphics_info, 1) != 1 || file.ReadArray(&compute_info, 1) != 1 ||
file.ReadArray(&num_keys, 1) != 1 || file.ReadArray(&num_bound_samplers, 1) != 1 ||
file.ReadArray(&num_bindless_samplers, 1) != 1) {
return false;
}
@ -136,8 +137,9 @@ bool ShaderDiskCacheEntry::Save(FileUtil::IOFile& file) const {
}
if (file.WriteObject(unique_identifier) != 1 || file.WriteObject(bound_buffer) != 1 ||
file.WriteObject(texture_handler_size.has_value()) != 1 ||
file.WriteObject(static_cast<u8>(texture_handler_size.has_value())) != 1 ||
file.WriteObject(texture_handler_size.value_or(0)) != 1 ||
file.WriteObject(graphics_info) != 1 || file.WriteObject(compute_info) != 1 ||
file.WriteObject(static_cast<u32>(keys.size())) != 1 ||
file.WriteObject(static_cast<u32>(bound_samplers.size())) != 1 ||
file.WriteObject(static_cast<u32>(bindless_samplers.size())) != 1) {

4
src/video_core/renderer_opengl/gl_shader_disk_cache.h
View file

@ -51,8 +51,10 @@ struct ShaderDiskCacheEntry {
ProgramCode code_b;
u64 unique_identifier = 0;
u32 bound_buffer = 0;
std::optional<u32> texture_handler_size;
u32 bound_buffer = 0;
VideoCommon::Shader::GraphicsInfo graphics_info;
VideoCommon::Shader::ComputeInfo compute_info;
VideoCommon::Shader::KeyMap keys;
VideoCommon::Shader::BoundSamplerMap bound_samplers;
VideoCommon::Shader::BindlessSamplerMap bindless_samplers;

59
src/video_core/shader/registry.cpp
View file

@ -6,21 +6,55 @@
#include <tuple>
#include "common/common_types.h"
#include "video_core/engines/kepler_compute.h"
#include "video_core/engines/maxwell_3d.h"
#include "video_core/engines/shader_type.h"
#include "video_core/shader/registry.h"
namespace VideoCommon::Shader {
using Tegra::Engines::ConstBufferEngineInterface;
using Tegra::Engines::SamplerDescriptor;
using Tegra::Engines::ShaderType;
Registry::Registry(Tegra::Engines::ShaderType shader_stage,
VideoCore::GuestDriverProfile stored_guest_driver_profile)
: stage{shader_stage}, stored_guest_driver_profile{stored_guest_driver_profile} {}
namespace {
GraphicsInfo MakeGraphicsInfo(ShaderType shader_stage, ConstBufferEngineInterface& engine) {
if (shader_stage == ShaderType::Compute) {
return {};
}
auto& graphics = static_cast<Tegra::Engines::Maxwell3D&>(engine);
GraphicsInfo info;
info.primitive_topology = graphics.regs.draw.topology;
return info;
}
ComputeInfo MakeComputeInfo(ShaderType shader_stage, ConstBufferEngineInterface& engine) {
if (shader_stage != ShaderType::Compute) {
return {};
}
auto& compute = static_cast<Tegra::Engines::KeplerCompute&>(engine);
const auto& launch = compute.launch_description;
ComputeInfo info;
info.workgroup_size = {launch.block_dim_x, launch.block_dim_y, launch.block_dim_z};
info.local_memory_size_in_words = launch.local_pos_alloc;
info.shared_memory_size_in_words = launch.shared_alloc;
return info;
}
} // Anonymous namespace
Registry::Registry(Tegra::Engines::ShaderType shader_stage, const SerializedRegistryInfo& info)
: stage{shader_stage}, stored_guest_driver_profile{info.guest_driver_profile},
bound_buffer{info.bound_buffer}, graphics_info{info.graphics}, compute_info{info.compute} {}
Registry::Registry(Tegra::Engines::ShaderType shader_stage,
Tegra::Engines::ConstBufferEngineInterface& engine)
: stage{shader_stage}, engine{&engine} {}
: stage{shader_stage}, engine{&engine}, bound_buffer{engine.GetBoundBuffer()},
graphics_info{MakeGraphicsInfo(shader_stage, engine)}, compute_info{MakeComputeInfo(
shader_stage, engine)} {}
Registry::~Registry() = default;
@ -67,18 +101,6 @@ std::optional<Tegra::Engines::SamplerDescriptor> Registry::ObtainBindlessSampler
return value;
}
std::optional<u32> Registry::ObtainBoundBuffer() {
if (bound_buffer_saved) {
return bound_buffer;
}
if (!engine) {
return std::nullopt;
}
bound_buffer_saved = true;
bound_buffer = engine->GetBoundBuffer();
return bound_buffer;
}
void Registry::InsertKey(u32 buffer, u32 offset, u32 value) {
keys.insert_or_assign({buffer, offset}, value);
}
@ -91,11 +113,6 @@ void Registry::InsertBindlessSampler(u32 buffer, u32 offset, SamplerDescriptor s
bindless_samplers.insert_or_assign({buffer, offset}, sampler);
}
void Registry::SetBoundBuffer(u32 buffer) {
bound_buffer_saved = true;
bound_buffer = buffer;
}
bool Registry::IsConsistent() const {
if (!engine) {
return true;

49
src/video_core/shader/registry.h
View file

@ -4,11 +4,16 @@
#pragma once
#include <array>
#include <optional>
#include <type_traits>
#include <unordered_map>
#include <utility>
#include "common/common_types.h"
#include "common/hash.h"
#include "video_core/engines/const_buffer_engine_interface.h"
#include "video_core/engines/maxwell_3d.h"
#include "video_core/engines/shader_type.h"
#include "video_core/guest_driver.h"
@ -19,6 +24,25 @@ using BoundSamplerMap = std::unordered_map<u32, Tegra::Engines::SamplerDescripto
using BindlessSamplerMap =
std::unordered_map<std::pair<u32, u32>, Tegra::Engines::SamplerDescriptor, Common::PairHash>;
struct GraphicsInfo {
Tegra::Engines::Maxwell3D::Regs::PrimitiveTopology primitive_topology{};
};
static_assert(std::is_trivially_copyable_v<GraphicsInfo>);
struct ComputeInfo {
std::array<u32, 3> workgroup_size{};
u32 shared_memory_size_in_words = 0;
u32 local_memory_size_in_words = 0;
};
static_assert(std::is_trivially_copyable_v<ComputeInfo>);
struct SerializedRegistryInfo {
VideoCore::GuestDriverProfile guest_driver_profile;
u32 bound_buffer = 0;
GraphicsInfo graphics;
ComputeInfo compute;
};
/**
* The Registry is a class use to interface the 3D and compute engines with the shader compiler.
* With it, the shader can obtain required data from GPU state and store it for disk shader
@ -26,8 +50,7 @@ using BindlessSamplerMap =
*/
class Registry {
public:
explicit Registry(Tegra::Engines::ShaderType shader_stage,
VideoCore::GuestDriverProfile stored_guest_driver_profile);
explicit Registry(Tegra::Engines::ShaderType shader_stage, const SerializedRegistryInfo& info);
explicit Registry(Tegra::Engines::ShaderType shader_stage,
Tegra::Engines::ConstBufferEngineInterface& engine);
@ -42,8 +65,6 @@ public:
std::optional<Tegra::Engines::SamplerDescriptor> ObtainBindlessSampler(u32 buffer, u32 offset);
std::optional<u32> ObtainBoundBuffer();
/// Inserts a key.
void InsertKey(u32 buffer, u32 offset, u32 value);
@ -53,9 +74,6 @@ public:
/// Inserts a bindless sampler key.
void InsertBindlessSampler(u32 buffer, u32 offset, Tegra::Engines::SamplerDescriptor sampler);
/// Set the bound buffer for this registry.
void SetBoundBuffer(u32 buffer);
/// Checks keys and samplers against engine's current const buffers.
/// Returns true if they are the same value, false otherwise.
bool IsConsistent() const;
@ -83,6 +101,18 @@ public:
return bound_buffer;
}
/// Returns compute information from this shader
const GraphicsInfo& GetGraphicsInfo() const {
ASSERT(stage != Tegra::Engines::ShaderType::Compute);
return graphics_info;
}
/// Returns compute information from this shader
const ComputeInfo& GetComputeInfo() const {
ASSERT(stage == Tegra::Engines::ShaderType::Compute);
return compute_info;
}
/// Obtains access to the guest driver's profile.
VideoCore::GuestDriverProfile& AccessGuestDriverProfile() {
return engine ? engine->AccessGuestDriverProfile() : stored_guest_driver_profile;
@ -95,8 +125,9 @@ private:
KeyMap keys;
BoundSamplerMap bound_samplers;
BindlessSamplerMap bindless_samplers;
bool bound_buffer_saved{};
u32 bound_buffer{};
u32 bound_buffer;
GraphicsInfo graphics_info;
ComputeInfo compute_info;
};
} // namespace VideoCommon::Shader

9
src/video_core/shader/track.cpp
View file

@ -81,14 +81,11 @@ std::tuple<Node, TrackSampler> ShaderIR::TrackBindlessSampler(Node tracked, cons
MakeTrackSampler<BindlessSamplerNode>(cbuf->GetIndex(), immediate->GetValue());
return {tracked, track};
} else if (const auto operation = std::get_if<OperationNode>(&*offset)) {
const auto bound_buffer = registry.ObtainBoundBuffer();
if (!bound_buffer) {
const u32 bound_buffer = registry.GetBoundBuffer();
if (bound_buffer != cbuf->GetIndex()) {
return {};
}
if (*bound_buffer != cbuf->GetIndex()) {
return {};
}
auto pair = DecoupleIndirectRead(*operation);
const auto pair = DecoupleIndirectRead(*operation);
if (!pair) {
return {};
}