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Merge pull request #2383 from ReinUsesLisp/aoffi-test 

gl_shader_decompiler: Disable variable AOFFI on unsupported devices
This commit is contained in:
bunnei 2019-04-22 22:14:02 -04:00 committed by GitHub
parent 9cab042674 f15c59a164
commit 4fad91ca45
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
11 changed files with 161 additions and 73 deletions
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2
src/video_core/CMakeLists.txt
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@ -36,6 +36,8 @@ add_library(video_core STATIC
renderer_base.h
renderer_opengl/gl_buffer_cache.cpp
renderer_opengl/gl_buffer_cache.h
renderer_opengl/gl_device.cpp
renderer_opengl/gl_device.h
renderer_opengl/gl_global_cache.cpp
renderer_opengl/gl_global_cache.h
renderer_opengl/gl_primitive_assembler.cpp

45
src/video_core/renderer_opengl/gl_device.cpp Normal file
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@ -0,0 +1,45 @@
// Copyright 2019 yuzu Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <cstddef>
#include <glad/glad.h>
#include "common/logging/log.h"
#include "video_core/renderer_opengl/gl_device.h"
namespace OpenGL {
namespace {
template <typename T>
T GetInteger(GLenum pname) {
GLint temporary;
glGetIntegerv(pname, &temporary);
return static_cast<T>(temporary);
}
} // Anonymous namespace
Device::Device() {
uniform_buffer_alignment = GetInteger<std::size_t>(GL_UNIFORM_BUFFER_OFFSET_ALIGNMENT);
has_variable_aoffi = TestVariableAoffi();
}
bool Device::TestVariableAoffi() {
const GLchar* AOFFI_TEST = R"(#version 430 core
uniform sampler2D tex;
uniform ivec2 variable_offset;
void main() {
gl_Position = textureOffset(tex, vec2(0), variable_offset);
}
)";
const GLuint shader{glCreateShaderProgramv(GL_VERTEX_SHADER, 1, &AOFFI_TEST)};
GLint link_status{};
glGetProgramiv(shader, GL_LINK_STATUS, &link_status);
glDeleteProgram(shader);
const bool supported{link_status == GL_TRUE};
LOG_INFO(Render_OpenGL, "Renderer_VariableAOFFI: {}", supported);
return supported;
}
} // namespace OpenGL

30
src/video_core/renderer_opengl/gl_device.h Normal file
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@ -0,0 +1,30 @@
// Copyright 2019 yuzu Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include <cstddef>
namespace OpenGL {
class Device {
public:
Device();
std::size_t GetUniformBufferAlignment() const {
return uniform_buffer_alignment;
}
bool HasVariableAoffi() const {
return has_variable_aoffi;
}
private:
static bool TestVariableAoffi();
std::size_t uniform_buffer_alignment{};
bool has_variable_aoffi{};
};
} // namespace OpenGL

25
src/video_core/renderer_opengl/gl_rasterizer.cpp
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@ -99,7 +99,7 @@ struct FramebufferCacheKey {
};
RasterizerOpenGL::RasterizerOpenGL(Core::System& system, ScreenInfo& info)
: res_cache{*this}, shader_cache{*this, system}, global_cache{*this}, system{system},
: res_cache{*this}, shader_cache{*this, system, device}, global_cache{*this}, system{system},
screen_info{info}, buffer_cache(*this, STREAM_BUFFER_SIZE) {
OpenGLState::ApplyDefaultState();
@ -107,8 +107,6 @@ RasterizerOpenGL::RasterizerOpenGL(Core::System& system, ScreenInfo& info)
state.draw.shader_program = 0;
state.Apply();
glGetIntegerv(GL_UNIFORM_BUFFER_OFFSET_ALIGNMENT, &uniform_buffer_alignment);
LOG_DEBUG(Render_OpenGL, "Sync fixed function OpenGL state here");
CheckExtensions();
}
@ -315,8 +313,8 @@ void RasterizerOpenGL::SetupShaders(GLenum primitive_mode) {
GLShader::MaxwellUniformData ubo{};
ubo.SetFromRegs(gpu, stage);
const GLintptr offset = buffer_cache.UploadHostMemory(
&ubo, sizeof(ubo), static_cast<std::size_t>(uniform_buffer_alignment));
const GLintptr offset =
buffer_cache.UploadHostMemory(&ubo, sizeof(ubo), device.GetUniformBufferAlignment());
// Bind the emulation info buffer
bind_ubo_pushbuffer.Push(buffer_cache.GetHandle(), offset,
@ -700,23 +698,24 @@ void RasterizerOpenGL::DrawArrays() {
// Add space for index buffer (keeping in mind non-core primitives)
switch (regs.draw.topology) {
case Maxwell::PrimitiveTopology::Quads:
buffer_size = Common::AlignUp<std::size_t>(buffer_size, 4) +
buffer_size = Common::AlignUp(buffer_size, 4) +
primitive_assembler.CalculateQuadSize(regs.vertex_buffer.count);
break;
default:
if (is_indexed) {
buffer_size = Common::AlignUp<std::size_t>(buffer_size, 4) + CalculateIndexBufferSize();
buffer_size = Common::AlignUp(buffer_size, 4) + CalculateIndexBufferSize();
}
break;
}
// Uniform space for the 5 shader stages
buffer_size =
Common::AlignUp<std::size_t>(buffer_size, 4) +
(sizeof(GLShader::MaxwellUniformData) + uniform_buffer_alignment) * Maxwell::MaxShaderStage;
buffer_size = Common::AlignUp<std::size_t>(buffer_size, 4) +
(sizeof(GLShader::MaxwellUniformData) + device.GetUniformBufferAlignment()) *
Maxwell::MaxShaderStage;
// Add space for at least 18 constant buffers
buffer_size += Maxwell::MaxConstBuffers * (MaxConstbufferSize + uniform_buffer_alignment);
buffer_size +=
Maxwell::MaxConstBuffers * (MaxConstbufferSize + device.GetUniformBufferAlignment());
const bool invalidate = buffer_cache.Map(buffer_size);
if (invalidate) {
@ -848,8 +847,8 @@ void RasterizerOpenGL::SetupConstBuffers(Tegra::Engines::Maxwell3D::Regs::Shader
size = Common::AlignUp(size, sizeof(GLvec4));
ASSERT_MSG(size <= MaxConstbufferSize, "Constbuffer too big");
const GLintptr const_buffer_offset = buffer_cache.UploadMemory(
buffer.address, size, static_cast<std::size_t>(uniform_buffer_alignment));
const GLintptr const_buffer_offset =
buffer_cache.UploadMemory(buffer.address, size, device.GetUniformBufferAlignment());
bind_ubo_pushbuffer.Push(buffer_cache.GetHandle(), const_buffer_offset, size);
}

4
src/video_core/renderer_opengl/gl_rasterizer.h
View File

@ -21,6 +21,7 @@
#include "video_core/rasterizer_cache.h"
#include "video_core/rasterizer_interface.h"
#include "video_core/renderer_opengl/gl_buffer_cache.h"
#include "video_core/renderer_opengl/gl_device.h"
#include "video_core/renderer_opengl/gl_global_cache.h"
#include "video_core/renderer_opengl/gl_primitive_assembler.h"
#include "video_core/renderer_opengl/gl_rasterizer_cache.h"
@ -172,6 +173,7 @@ private:
/// but are needed for correct emulation
void CheckExtensions();
const Device device;
OpenGLState state;
RasterizerCacheOpenGL res_cache;
@ -180,7 +182,6 @@ private:
SamplerCacheOpenGL sampler_cache;
Core::System& system;
ScreenInfo& screen_info;
std::unique_ptr<GLShader::ProgramManager> shader_program_manager;
@ -196,7 +197,6 @@ private:
static constexpr std::size_t STREAM_BUFFER_SIZE = 128 * 1024 * 1024;
OGLBufferCache buffer_cache;
PrimitiveAssembler primitive_assembler{buffer_cache};
GLint uniform_buffer_alignment;
BindBuffersRangePushBuffer bind_ubo_pushbuffer{GL_UNIFORM_BUFFER};
BindBuffersRangePushBuffer bind_ssbo_pushbuffer{GL_SHADER_STORAGE_BUFFER};

54
src/video_core/renderer_opengl/gl_shader_cache.cpp
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@ -136,8 +136,8 @@ u64 GetUniqueIdentifier(Maxwell::ShaderProgram program_type, const ProgramCode&
}
/// Creates an unspecialized program from code streams
GLShader::ProgramResult CreateProgram(Maxwell::ShaderProgram program_type, ProgramCode program_code,
ProgramCode program_code_b) {
GLShader::ProgramResult CreateProgram(const Device& device, Maxwell::ShaderProgram program_type,
ProgramCode program_code, ProgramCode program_code_b) {
GLShader::ShaderSetup setup(program_code);
if (program_type == Maxwell::ShaderProgram::VertexA) {
// VertexB is always enabled, so when VertexA is enabled, we have two vertex shaders.
@ -151,11 +151,11 @@ GLShader::ProgramResult CreateProgram(Maxwell::ShaderProgram program_type, Progr
switch (program_type) {
case Maxwell::ShaderProgram::VertexA:
case Maxwell::ShaderProgram::VertexB:
return GLShader::GenerateVertexShader(setup);
return GLShader::GenerateVertexShader(device, setup);
case Maxwell::ShaderProgram::Geometry:
return GLShader::GenerateGeometryShader(setup);
return GLShader::GenerateGeometryShader(device, setup);
case Maxwell::ShaderProgram::Fragment:
return GLShader::GenerateFragmentShader(setup);
return GLShader::GenerateFragmentShader(device, setup);
default:
LOG_CRITICAL(HW_GPU, "Unimplemented program_type={}", static_cast<u32>(program_type));
UNREACHABLE();
@ -214,22 +214,20 @@ std::set<GLenum> GetSupportedFormats() {
return supported_formats;
}
} // namespace
} // Anonymous namespace
CachedShader::CachedShader(VAddr cpu_addr, u64 unique_identifier,
CachedShader::CachedShader(const Device& device, VAddr cpu_addr, u64 unique_identifier,
Maxwell::ShaderProgram program_type, ShaderDiskCacheOpenGL& disk_cache,
const PrecompiledPrograms& precompiled_programs,
ProgramCode&& program_code, ProgramCode&& program_code_b, u8* host_ptr)
: RasterizerCacheObject{host_ptr}, host_ptr{host_ptr}, cpu_addr{cpu_addr},
unique_identifier{unique_identifier}, program_type{program_type}, disk_cache{disk_cache},
precompiled_programs{precompiled_programs} {
const std::size_t code_size = CalculateProgramSize(program_code);
const std::size_t code_size_b =
program_code_b.empty() ? 0 : CalculateProgramSize(program_code_b);
GLShader::ProgramResult program_result =
CreateProgram(program_type, program_code, program_code_b);
const std::size_t code_size{CalculateProgramSize(program_code)};
const std::size_t code_size_b{program_code_b.empty() ? 0
: CalculateProgramSize(program_code_b)};
GLShader::ProgramResult program_result{
CreateProgram(device, program_type, program_code, program_code_b)};
if (program_result.first.empty()) {
// TODO(Rodrigo): Unimplemented shader stages hit here, avoid using these for now
return;
@ -253,7 +251,6 @@ CachedShader::CachedShader(VAddr cpu_addr, u64 unique_identifier,
: RasterizerCacheObject{host_ptr}, cpu_addr{cpu_addr}, unique_identifier{unique_identifier},
program_type{program_type}, disk_cache{disk_cache}, precompiled_programs{
precompiled_programs} {
code = std::move(result.first);
entries = result.second;
shader_length = entries.shader_length;
@ -346,8 +343,9 @@ ShaderDiskCacheUsage CachedShader::GetUsage(GLenum primitive_mode,
return {unique_identifier, base_bindings, primitive_mode};
}
ShaderCacheOpenGL::ShaderCacheOpenGL(RasterizerOpenGL& rasterizer, Core::System& system)
: RasterizerCache{rasterizer}, disk_cache{system} {}
ShaderCacheOpenGL::ShaderCacheOpenGL(RasterizerOpenGL& rasterizer, Core::System& system,
const Device& device)
: RasterizerCache{rasterizer}, disk_cache{system}, device{device} {}
void ShaderCacheOpenGL::LoadDiskCache(const std::atomic_bool& stop_loading,
const VideoCore::DiskResourceLoadCallback& callback) {
@ -441,17 +439,18 @@ std::unordered_map<u64, UnspecializedShader> ShaderCacheOpenGL::GenerateUnspecia
const std::unordered_map<u64, ShaderDiskCacheDecompiled>& decompiled) {
std::unordered_map<u64, UnspecializedShader> unspecialized;
if (callback)
if (callback) {
callback(VideoCore::LoadCallbackStage::Decompile, 0, raws.size());
}
for (std::size_t i = 0; i < raws.size(); ++i) {
if (stop_loading)
if (stop_loading) {
return {};
}
const auto& raw{raws[i]};
const u64 unique_identifier = raw.GetUniqueIdentifier();
const u64 calculated_hash =
GetUniqueIdentifier(raw.GetProgramType(), raw.GetProgramCode(), raw.GetProgramCodeB());
const u64 unique_identifier{raw.GetUniqueIdentifier()};
const u64 calculated_hash{
GetUniqueIdentifier(raw.GetProgramType(), raw.GetProgramCode(), raw.GetProgramCodeB())};
if (unique_identifier != calculated_hash) {
LOG_ERROR(
Render_OpenGL,
@ -468,8 +467,8 @@ std::unordered_map<u64, UnspecializedShader> ShaderCacheOpenGL::GenerateUnspecia
result = {stored_decompiled.code, stored_decompiled.entries};
} else {
// Otherwise decompile the shader at boot and save the result to the decompiled file
result =
CreateProgram(raw.GetProgramType(), raw.GetProgramCode(), raw.GetProgramCodeB());
result = CreateProgram(device, raw.GetProgramType(), raw.GetProgramCode(),
raw.GetProgramCodeB());
disk_cache.SaveDecompiled(unique_identifier, result.first, result.second);
}
@ -479,8 +478,9 @@ std::unordered_map<u64, UnspecializedShader> ShaderCacheOpenGL::GenerateUnspecia
{raw.GetUniqueIdentifier(),
{std::move(result.first), std::move(result.second), raw.GetProgramType()}});
if (callback)
if (callback) {
callback(VideoCore::LoadCallbackStage::Decompile, i, raws.size());
}
}
return unspecialized;
}
@ -515,7 +515,7 @@ Shader ShaderCacheOpenGL::GetStageProgram(Maxwell::ShaderProgram program) {
precompiled_programs, found->second, host_ptr);
} else {
shader = std::make_shared<CachedShader>(
cpu_addr, unique_identifier, program, disk_cache, precompiled_programs,
device, cpu_addr, unique_identifier, program, disk_cache, precompiled_programs,
std::move(program_code), std::move(program_code_b), host_ptr);
}
Register(shader);

8
src/video_core/renderer_opengl/gl_shader_cache.h
View File

@ -27,6 +27,7 @@ class System;
namespace OpenGL {
class CachedShader;
class Device;
class RasterizerOpenGL;
struct UnspecializedShader;
@ -38,7 +39,7 @@ using PrecompiledShaders = std::unordered_map<u64, GLShader::ProgramResult>;
class CachedShader final : public RasterizerCacheObject {
public:
explicit CachedShader(VAddr cpu_addr, u64 unique_identifier,
explicit CachedShader(const Device& device, VAddr cpu_addr, u64 unique_identifier,
Maxwell::ShaderProgram program_type, ShaderDiskCacheOpenGL& disk_cache,
const PrecompiledPrograms& precompiled_programs,
ProgramCode&& program_code, ProgramCode&& program_code_b, u8* host_ptr);
@ -112,7 +113,8 @@ private:
class ShaderCacheOpenGL final : public RasterizerCache<Shader> {
public:
explicit ShaderCacheOpenGL(RasterizerOpenGL& rasterizer, Core::System& system);
explicit ShaderCacheOpenGL(RasterizerOpenGL& rasterizer, Core::System& system,
const Device& device);
/// Loads disk cache for the current game
void LoadDiskCache(const std::atomic_bool& stop_loading,
@ -130,6 +132,8 @@ private:
CachedProgram GeneratePrecompiledProgram(const ShaderDiskCacheDump& dump,
const std::set<GLenum>& supported_formats);
const Device& device;
std::array<Shader, Maxwell::MaxShaderProgram> last_shaders;
ShaderDiskCacheOpenGL disk_cache;

18
src/video_core/renderer_opengl/gl_shader_decompiler.cpp
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@ -15,6 +15,7 @@
#include "common/assert.h"
#include "common/common_types.h"
#include "video_core/engines/maxwell_3d.h"
#include "video_core/renderer_opengl/gl_device.h"
#include "video_core/renderer_opengl/gl_rasterizer.h"
#include "video_core/renderer_opengl/gl_shader_decompiler.h"
#include "video_core/shader/shader_ir.h"
@ -135,8 +136,9 @@ bool IsPrecise(Node node) {
class GLSLDecompiler final {
public:
explicit GLSLDecompiler(const ShaderIR& ir, ShaderStage stage, std::string suffix)
: ir{ir}, stage{stage}, suffix{suffix}, header{ir.GetHeader()} {}
explicit GLSLDecompiler(const Device& device, const ShaderIR& ir, ShaderStage stage,
std::string suffix)
: device{device}, ir{ir}, stage{stage}, suffix{suffix}, header{ir.GetHeader()} {}
void Decompile() {
DeclareVertex();
@ -802,8 +804,12 @@ private:
// Inline the string as an immediate integer in GLSL (AOFFI arguments are required
// to be constant by the standard).
expr += std::to_string(static_cast<s32>(immediate->GetValue()));
} else {
} else if (device.HasVariableAoffi()) {
// Avoid using variable AOFFI on unsupported devices.
expr += "ftoi(" + Visit(operand) + ')';
} else {
// Insert 0 on devices not supporting variable AOFFI.
expr += '0';
}
if (index + 1 < aoffi.size()) {
expr += ", ";
@ -1645,6 +1651,7 @@ private:
return name + '_' + std::to_string(index) + '_' + suffix;
}
const Device& device;
const ShaderIR& ir;
const ShaderStage stage;
const std::string suffix;
@ -1676,8 +1683,9 @@ std::string GetCommonDeclarations() {
"}\n";
}
ProgramResult Decompile(const ShaderIR& ir, Maxwell::ShaderStage stage, const std::string& suffix) {
GLSLDecompiler decompiler(ir, stage, suffix);
ProgramResult Decompile(const Device& device, const ShaderIR& ir, Maxwell::ShaderStage stage,
const std::string& suffix) {
GLSLDecompiler decompiler(device, ir, stage, suffix);
decompiler.Decompile();
return {decompiler.GetResult(), decompiler.GetShaderEntries()};
}

8
src/video_core/renderer_opengl/gl_shader_decompiler.h
View File

@ -12,6 +12,10 @@
#include "video_core/engines/maxwell_3d.h"
#include "video_core/shader/shader_ir.h"
namespace OpenGL {
class Device;
}
namespace VideoCommon::Shader {
class ShaderIR;
}
@ -77,7 +81,7 @@ struct ShaderEntries {
std::string GetCommonDeclarations();
ProgramResult Decompile(const VideoCommon::Shader::ShaderIR& ir, Maxwell::ShaderStage stage,
const std::string& suffix);
ProgramResult Decompile(const Device& device, const VideoCommon::Shader::ShaderIR& ir,
Maxwell::ShaderStage stage, const std::string& suffix);
} // namespace OpenGL::GLShader

15
src/video_core/renderer_opengl/gl_shader_gen.cpp
View File

@ -16,7 +16,7 @@ using VideoCommon::Shader::ShaderIR;
static constexpr u32 PROGRAM_OFFSET{10};
ProgramResult GenerateVertexShader(const ShaderSetup& setup) {
ProgramResult GenerateVertexShader(const Device& device, const ShaderSetup& setup) {
const std::string id = fmt::format("{:016x}", setup.program.unique_identifier);
std::string out = "#extension GL_ARB_separate_shader_objects : enable\n\n";
@ -34,14 +34,15 @@ layout (std140, binding = EMULATION_UBO_BINDING) uniform vs_config {
)";
ShaderIR program_ir(setup.program.code, PROGRAM_OFFSET);
ProgramResult program = Decompile(program_ir, Maxwell3D::Regs::ShaderStage::Vertex, "vertex");
ProgramResult program =
Decompile(device, program_ir, Maxwell3D::Regs::ShaderStage::Vertex, "vertex");
out += program.first;
if (setup.IsDualProgram()) {
ShaderIR program_ir_b(setup.program.code_b, PROGRAM_OFFSET);
ProgramResult program_b =
Decompile(program_ir_b, Maxwell3D::Regs::ShaderStage::Vertex, "vertex_b");
Decompile(device, program_ir_b, Maxwell3D::Regs::ShaderStage::Vertex, "vertex_b");
out += program_b.first;
}
@ -75,7 +76,7 @@ void main() {
return {out, program.second};
}
ProgramResult GenerateGeometryShader(const ShaderSetup& setup) {
ProgramResult GenerateGeometryShader(const Device& device, const ShaderSetup& setup) {
const std::string id = fmt::format("{:016x}", setup.program.unique_identifier);
std::string out = "#extension GL_ARB_separate_shader_objects : enable\n\n";
@ -95,7 +96,7 @@ layout (std140, binding = EMULATION_UBO_BINDING) uniform gs_config {
)";
ShaderIR program_ir(setup.program.code, PROGRAM_OFFSET);
ProgramResult program =
Decompile(program_ir, Maxwell3D::Regs::ShaderStage::Geometry, "geometry");
Decompile(device, program_ir, Maxwell3D::Regs::ShaderStage::Geometry, "geometry");
out += program.first;
out += R"(
@ -106,7 +107,7 @@ void main() {
return {out, program.second};
}
ProgramResult GenerateFragmentShader(const ShaderSetup& setup) {
ProgramResult GenerateFragmentShader(const Device& device, const ShaderSetup& setup) {
const std::string id = fmt::format("{:016x}", setup.program.unique_identifier);
std::string out = "#extension GL_ARB_separate_shader_objects : enable\n\n";
@ -158,7 +159,7 @@ bool AlphaFunc(in float value) {
)";
ShaderIR program_ir(setup.program.code, PROGRAM_OFFSET);
ProgramResult program =
Decompile(program_ir, Maxwell3D::Regs::ShaderStage::Fragment, "fragment");
Decompile(device, program_ir, Maxwell3D::Regs::ShaderStage::Fragment, "fragment");
out += program.first;

25
src/video_core/renderer_opengl/gl_shader_gen.h
View File

@ -10,6 +10,10 @@
#include "video_core/renderer_opengl/gl_shader_decompiler.h"
#include "video_core/shader/shader_ir.h"
namespace OpenGL {
class Device;
}
namespace OpenGL::GLShader {
using VideoCommon::Shader::ProgramCode;
@ -39,22 +43,13 @@ private:
bool has_program_b{};
};
/**
* Generates the GLSL vertex shader program source code for the given VS program
* @returns String of the shader source code
*/
ProgramResult GenerateVertexShader(const ShaderSetup& setup);
/// Generates the GLSL vertex shader program source code for the given VS program
ProgramResult GenerateVertexShader(const Device& device, const ShaderSetup& setup);
/**
* Generates the GLSL geometry shader program source code for the given GS program
* @returns String of the shader source code
*/
ProgramResult GenerateGeometryShader(const ShaderSetup& setup);
/// Generates the GLSL geometry shader program source code for the given GS program
ProgramResult GenerateGeometryShader(const Device& device, const ShaderSetup& setup);
/**
* Generates the GLSL fragment shader program source code for the given FS program
* @returns String of the shader source code
*/
ProgramResult GenerateFragmentShader(const ShaderSetup& setup);
/// Generates the GLSL fragment shader program source code for the given FS program
ProgramResult GenerateFragmentShader(const Device& device, const ShaderSetup& setup);
} // namespace OpenGL::GLShader