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shader/registry: Store graphics and compute metadata

Browse source 
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 {};
}