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d3d12: Start working on Vertex program decompilation

This commit is contained in:
vlj 2015-05-14 17:56:24 +02:00 committed by Vincent Lejeune
parent 87d51665dc
commit 3853dffce2
4 changed files with 1089 additions and 2 deletions
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7
rpcs3/Emu/RSX/D3D12/D3D12PipelineState.cpp
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@ -8,6 +8,8 @@
#include <wrl/client.h>
#include <d3dcompiler.h>
#include <unordered_map>
#include "VertexProgramDecompiler.h"
#include "Utilities/File.h"
#pragma comment (lib, "d3dcompiler.lib")
@ -116,12 +118,13 @@ ID3D12PipelineState *PipelineStateObjectCache::getGraphicPipelineState(
if (!m_vp_buf_num)
{
LOG_WARNING(RSX, "VP not found in buffer!");
// m_vertex_prog.Decompile(*vertexShader);
VertexDecompiler VS(vertexShader->data);
VS.Decompile();
m_vertex_prog.Compile(SHADER_TYPE::SHADER_TYPE_VERTEX);
AddVertexProgram(m_vertex_prog, *vertexShader);
// TODO: This shouldn't use current dir
// fs::file("./VertexProgram.txt", o_write | o_create | o_trunc).write(m_vertex_prog.shader.c_str(), m_vertex_prog.shader.size());
fs::file("./VertexProgram.txt", o_write | o_create | o_trunc).write(VS.m_shader.c_str(), VS.m_shader.size());
}
if (m_fp_buf_num && m_vp_buf_num)

782
rpcs3/Emu/RSX/D3D12/VertexProgramDecompiler.cpp Normal file
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@ -0,0 +1,782 @@
#include "stdafx.h"
#if defined(DX12_SUPPORT)
#include "VertexProgramDecompiler.h"
#include "Utilities/Log.h"
#include "Emu/System.h"
std::string VertexDecompiler::GetMask(bool is_sca)
{
std::string ret;
if (is_sca)
{
if (d3.sca_writemask_x) ret += "x";
if (d3.sca_writemask_y) ret += "y";
if (d3.sca_writemask_z) ret += "z";
if (d3.sca_writemask_w) ret += "w";
}
else
{
if (d3.vec_writemask_x) ret += "x";
if (d3.vec_writemask_y) ret += "y";
if (d3.vec_writemask_z) ret += "z";
if (d3.vec_writemask_w) ret += "w";
}
return ret.empty() || ret == "xyzw" ? "" : ("." + ret);
}
std::string VertexDecompiler::GetVecMask()
{
return GetMask(false);
}
std::string VertexDecompiler::GetScaMask()
{
return GetMask(true);
}
std::string VertexDecompiler::GetDST(bool isSca)
{
std::string ret;
switch (isSca ? 0x1f : d3.dst)
{
case 0x1f:
ret += m_parr.AddParam(PARAM_NONE, "vec4", std::string("tmp") + std::to_string(isSca ? d3.sca_dst_tmp : d0.dst_tmp));
break;
default:
if (d3.dst > 15)
LOG_ERROR(RSX, fmt::Format("dst index out of range: %u", d3.dst));
ret += m_parr.AddParam(PARAM_NONE, "vec4", std::string("dst_reg") + std::to_string(d3.dst), d3.dst == 0 ? "vec4(0.0f, 0.0f, 0.0f, 1.0f)" : "vec4(0.0)");
break;
}
return ret;
}
std::string VertexDecompiler::GetSRC(const u32 n)
{
static const std::string reg_table[] =
{
"in_pos", "in_weight", "in_normal",
"in_diff_color", "in_spec_color",
"in_fog",
"in_point_size", "in_7",
"in_tc0", "in_tc1", "in_tc2", "in_tc3",
"in_tc4", "in_tc5", "in_tc6", "in_tc7"
};
std::string ret;
switch (src[n].reg_type)
{
case 1: //temp
ret += m_parr.AddParam(PARAM_NONE, "vec4", "tmp" + std::to_string(src[n].tmp_src));
break;
case 2: //input
if (d1.input_src < (sizeof(reg_table) / sizeof(reg_table[0])))
{
ret += m_parr.AddParam(PARAM_IN, "vec4", reg_table[d1.input_src], d1.input_src);
}
else
{
LOG_ERROR(RSX, "Bad input src num: %d", fmt::by_value(d1.input_src));
ret += m_parr.AddParam(PARAM_IN, "vec4", "in_unk", d1.input_src);
}
break;
case 3: //const
m_parr.AddParam(PARAM_UNIFORM, "vec4", std::string("vc[468]"));
ret += std::string("vc[") + std::to_string(d1.const_src) + (d3.index_const ? " + " + AddAddrReg() : "") + "]";
break;
default:
LOG_ERROR(RSX, fmt::Format("Bad src%u reg type: %d", n, fmt::by_value(src[n].reg_type)));
Emu.Pause();
break;
}
static const std::string f = "xyzw";
std::string swizzle;
swizzle += f[src[n].swz_x];
swizzle += f[src[n].swz_y];
swizzle += f[src[n].swz_z];
swizzle += f[src[n].swz_w];
if (swizzle != f) ret += '.' + swizzle;
bool abs;
switch (n)
{
case 0: abs = d0.src0_abs; break;
case 1: abs = d0.src1_abs; break;
case 2: abs = d0.src2_abs; break;
}
if (abs) ret = "abs(" + ret + ")";
if (src[n].neg) ret = "-" + ret;
return ret;
}
void VertexDecompiler::SetDST(bool is_sca, std::string value)
{
if (d0.cond == 0) return;
enum
{
lt = 0x1,
eq = 0x2,
gt = 0x4,
};
std::string mask = GetMask(is_sca);
value += mask;
if (is_sca && d0.vec_result)
{
//value = "vec4(" + value + ")";
}
if (d0.staturate)
{
value = "clamp(" + value + ", 0.0, 1.0)";
}
std::string dest;
if (d0.cond_update_enable_0 && d0.cond_update_enable_1)
{
dest = m_parr.AddParam(PARAM_NONE, "vec4", "cc" + std::to_string(d0.cond_reg_sel_1), "vec4(0.0)") + mask;
}
else if (d3.dst != 0x1f || (is_sca ? d3.sca_dst_tmp != 0x3f : d0.dst_tmp != 0x3f))
{
dest = GetDST(is_sca) + mask;
}
//std::string code;
//if (d0.cond_test_enable)
// code += "$ifcond ";
//code += dest + value;
//AddCode(code + ";");
AddCodeCond(Format(dest), value);
}
std::string VertexDecompiler::GetFunc()
{
std::string name = "func$a";
for (const auto& func : m_funcs) {
if (func.name.compare(name) == 0) {
return name + "()";
}
}
m_funcs.emplace_back();
FuncInfo &idx = m_funcs.back();
idx.offset = GetAddr();
idx.name = name;
return name + "()";
}
std::string VertexDecompiler::GetTex()
{
return m_parr.AddParam(PARAM_UNIFORM, "sampler2D", std::string("vtex") + std::to_string(/*?.tex_num*/0));
}
std::string VertexDecompiler::Format(const std::string& code)
{
const std::pair<std::string, std::function<std::string()>> repl_list[] =
{
{ "$$", []() -> std::string { return "$"; } },
{ "$0", std::bind(std::mem_fn(&VertexDecompiler::GetSRC), this, 0) },
{ "$1", std::bind(std::mem_fn(&VertexDecompiler::GetSRC), this, 1) },
{ "$2", std::bind(std::mem_fn(&VertexDecompiler::GetSRC), this, 2) },
{ "$s", std::bind(std::mem_fn(&VertexDecompiler::GetSRC), this, 2) },
{ "$am", std::bind(std::mem_fn(&VertexDecompiler::AddAddrMask), this) },
{ "$a", std::bind(std::mem_fn(&VertexDecompiler::AddAddrReg), this) },
{ "$t", std::bind(std::mem_fn(&VertexDecompiler::GetTex), this) },
{ "$fa", [this]()->std::string { return std::to_string(GetAddr()); } },
{ "$f()", std::bind(std::mem_fn(&VertexDecompiler::GetFunc), this) },
{ "$ifcond ", [this]() -> std::string
{
const std::string& cond = GetCond();
if (cond == "true") return "";
return "if(" + cond + ") ";
}
},
{ "$cond", std::bind(std::mem_fn(&VertexDecompiler::GetCond), this) }
};
return fmt::replace_all(code, repl_list);
}
std::string VertexDecompiler::GetCond()
{
enum
{
lt = 0x1,
eq = 0x2,
gt = 0x4,
};
if (d0.cond == 0) return "false";
if (d0.cond == (lt | gt | eq)) return "true";
static const char* cond_string_table[(lt | gt | eq) + 1] =
{
"error",
"lessThan",
"equal",
"lessThanEqual",
"greaterThan",
"notEqual",
"greaterThanEqual",
"error"
};
static const char f[4] = { 'x', 'y', 'z', 'w' };
std::string swizzle;
swizzle += f[d0.mask_x];
swizzle += f[d0.mask_y];
swizzle += f[d0.mask_z];
swizzle += f[d0.mask_w];
swizzle = swizzle == "xyzw" ? "" : "." + swizzle;
return fmt::Format("any(%s(cc%d%s, vec4(0.0)%s))", cond_string_table[d0.cond], d0.cond_reg_sel_1, swizzle.c_str(), swizzle.c_str());
}
void VertexDecompiler::AddCodeCond(const std::string& dst, const std::string& src)
{
enum
{
lt = 0x1,
eq = 0x2,
gt = 0x4,
};
if (!d0.cond_test_enable || d0.cond == (lt | gt | eq))
{
AddCode(dst + " = " + src + ";");
return;
}
if (d0.cond == 0)
{
AddCode("//" + dst + " = " + src + ";");
return;
}
static const char* cond_string_table[(lt | gt | eq) + 1] =
{
"error",
"lessThan",
"equal",
"lessThanEqual",
"greaterThan",
"notEqual",
"greaterThanEqual",
"error"
};
static const char f[4] = { 'x', 'y', 'z', 'w' };
std::string swizzle;
swizzle += f[d0.mask_x];
swizzle += f[d0.mask_y];
swizzle += f[d0.mask_z];
swizzle += f[d0.mask_w];
swizzle = swizzle == "xyzw" ? "" : "." + swizzle;
std::string cond = fmt::Format("%s(cc%d%s, vec4(0.0))", cond_string_table[d0.cond], d0.cond_reg_sel_1, swizzle.c_str());
ShaderVar dst_var(dst);
dst_var.symplify();
//const char *c_mask = f;
if (dst_var.swizzles[0].length() == 1)
{
AddCode("if (" + cond + ".x) " + dst + " = vec4(" + src + ").x;");
}
else
{
for (int i = 0; i < dst_var.swizzles[0].length(); ++i)
{
AddCode("if (" + cond + "." + f[i] + ") " + dst + "." + f[i] + " = " + src + "." + f[i] + ";");
}
}
}
std::string VertexDecompiler::AddAddrMask()
{
static const char f[] = { 'x', 'y', 'z', 'w' };
return std::string(".") + f[d0.addr_swz];
}
std::string VertexDecompiler::AddAddrReg()
{
static const char f[] = { 'x', 'y', 'z', 'w' };
return m_parr.AddParam(PARAM_NONE, "ivec4", "a" + std::to_string(d0.addr_reg_sel_1), "ivec4(0)") + AddAddrMask();
}
u32 VertexDecompiler::GetAddr()
{
return (d2.iaddrh << 3) | d3.iaddrl;
}
void VertexDecompiler::AddCode(const std::string& code)
{
m_body.push_back(Format(code) + ";");
m_cur_instr->body.push_back(Format(code));
}
void VertexDecompiler::SetDSTVec(const std::string& code)
{
SetDST(false, code);
}
void VertexDecompiler::SetDSTSca(const std::string& code)
{
SetDST(true, code);
}
std::string VertexDecompiler::BuildFuncBody(const FuncInfo& func)
{
std::string result;
for (uint i = func.offset; i<m_body.size(); ++i)
{
if (i != func.offset)
{
uint call_func = -1;
for (uint j = 0; j<m_funcs.size(); ++j)
{
if (m_funcs[j].offset == i)
{
call_func = j;
break;
}
}
if (call_func != -1)
{
result += '\t' + m_funcs[call_func].name + "();\n";
break;
}
}
result += '\t' + m_body[i] + '\n';
}
return result;
}
std::string VertexDecompiler::BuildCode()
{
struct reg_info
{
std::string name;
bool need_declare;
std::string src_reg;
std::string src_reg_mask;
bool need_cast;
};
static const reg_info reg_table[] =
{
{ "gl_Position", false, "dst_reg0", "", false },
{ "diff_color", true, "dst_reg1", "", false },
{ "spec_color", true, "dst_reg2", "", false },
{ "front_diff_color", true, "dst_reg3", "", false },
{ "front_spec_color", true, "dst_reg4", "", false },
{ "fogc", true, "dst_reg5", ".x", true },
{ "gl_ClipDistance[0]", false, "dst_reg5", ".y", false },
{ "gl_ClipDistance[1]", false, "dst_reg5", ".z", false },
{ "gl_ClipDistance[2]", false, "dst_reg5", ".w", false },
{ "gl_PointSize", false, "dst_reg6", ".x", false },
{ "gl_ClipDistance[3]", false, "dst_reg6", ".y", false },
{ "gl_ClipDistance[4]", false, "dst_reg6", ".z", false },
{ "gl_ClipDistance[5]", false, "dst_reg6", ".w", false },
{ "tc0", true, "dst_reg7", "", false },
{ "tc1", true, "dst_reg8", "", false },
{ "tc2", true, "dst_reg9", "", false },
{ "tc3", true, "dst_reg10", "", false },
{ "tc4", true, "dst_reg11", "", false },
{ "tc5", true, "dst_reg12", "", false },
{ "tc6", true, "dst_reg13", "", false },
{ "tc7", true, "dst_reg14", "", false },
{ "tc8", true, "dst_reg15", "", false },
{ "tc9", true, "dst_reg6", "", false } // In this line, dst_reg6 is correct since dst_reg goes from 0 to 15.
};
std::string f;
for (auto &i : reg_table)
{
if (m_parr.HasParam(PARAM_NONE, "vec4", i.src_reg))
{
if (i.need_declare)
{
m_parr.AddParam(PARAM_OUT, "vec4", i.name);
}
if (i.need_cast)
{
f += "\t" + i.name + " = vec4(" + i.src_reg + i.src_reg_mask + ");\n";
}
else
{
f += "\t" + i.name + " = " + i.src_reg + i.src_reg_mask + ";\n";
}
}
}
std::string p;
for (auto& param : m_parr.params) {
p += param.Format();
}
std::string fp;
for (int i = m_funcs.size() - 1; i > 0; --i)
{
fp += fmt::Format("void %s();\n", m_funcs[i].name.c_str());
}
f = fmt::Format("void %s()\n{\n\t%s();\n%s\tgl_Position = gl_Position * scaleOffsetMat;\n}\n",
m_funcs[0].name.c_str(), m_funcs[1].name.c_str(), f.c_str());
std::string main_body;
for (uint i = 0, lvl = 1; i < m_instr_count; i++)
{
lvl -= m_instructions[i].close_scopes;
if (lvl < 1) lvl = 1;
//assert(lvl >= 1);
for (uint j = 0; j < m_instructions[i].put_close_scopes; ++j)
{
--lvl;
if (lvl < 1) lvl = 1;
main_body.append(lvl, '\t') += "}\n";
}
for (uint j = 0; j < m_instructions[i].do_count; ++j)
{
main_body.append(lvl, '\t') += "do\n";
main_body.append(lvl, '\t') += "{\n";
lvl++;
}
for (uint j = 0; j < m_instructions[i].body.size(); ++j)
{
main_body.append(lvl, '\t') += m_instructions[i].body[j] + "\n";
}
lvl += m_instructions[i].open_scopes;
}
f += fmt::Format("\nvoid %s()\n{\n%s}\n", m_funcs[1].name.c_str(), main_body.c_str());
for (uint i = 2; i<m_funcs.size(); ++i)
{
f += fmt::Format("\nvoid %s()\n{\n%s}\n", m_funcs[i].name.c_str(), BuildFuncBody(m_funcs[i]).c_str());
}
static const std::string& prot =
"#version 420\n"
"\n"
"uniform mat4 scaleOffsetMat = mat4(1.0);\n"
"%s\n"
"%s\n"
"%s";
return fmt::Format(prot.c_str(), p.c_str(), fp.c_str(), f.c_str());
}
VertexDecompiler::VertexDecompiler(std::vector<u32>& data) :
m_data(data)
{
m_funcs.emplace_back();
m_funcs[0].offset = 0;
m_funcs[0].name = "main";
m_funcs.emplace_back();
m_funcs[1].offset = 0;
m_funcs[1].name = "func0";
//m_cur_func->body = "\tgl_Position = vec4(0.0f, 0.0f, 0.0f, 1.0f);\n";
}
void VertexDecompiler::Decompile()
{
m_parr.params.clear();
m_instr_count = 0;
for (int i = 0; i < m_max_instr_count; ++i)
{
m_instructions[i].reset();
}
bool is_has_BRA = false;
for (u32 i = 1; m_instr_count < m_max_instr_count; m_instr_count++)
{
m_cur_instr = &m_instructions[m_instr_count];
if (is_has_BRA)
{
d3.HEX = m_data[i];
i += 4;
}
else
{
d1.HEX = m_data[i++];
switch (d1.sca_opcode)
{
case 0x08: //BRA
LOG_ERROR(RSX, "BRA found. Please report to RPCS3 team.");
is_has_BRA = true;
m_jump_lvls.clear();
d3.HEX = m_data[++i];
i += 4;
break;
case 0x09: //BRI
d2.HEX = m_data[i++];
d3.HEX = m_data[i];
i += 2;
m_jump_lvls.emplace(GetAddr());
break;
default:
d3.HEX = m_data[++i];
i += 2;
break;
}
}
if (d3.end)
{
m_instr_count++;
if (i < m_data.size())
{
LOG_ERROR(RSX, "Program end before buffer end.");
}
break;
}
}
uint jump_position = 0;
if (is_has_BRA || !m_jump_lvls.empty())
{
m_cur_instr = &m_instructions[0];
AddCode("int jump_position = 0;");
AddCode("while (true)");
AddCode("{");
m_cur_instr->open_scopes++;
AddCode(fmt::Format("if (jump_position <= %u)", jump_position++));
AddCode("{");
m_cur_instr->open_scopes++;
}
for (u32 i = 0; i < m_instr_count; ++i)
{
m_cur_instr = &m_instructions[i];
d0.HEX = m_data[i * 4 + 0];
d1.HEX = m_data[i * 4 + 1];
d2.HEX = m_data[i * 4 + 2];
d3.HEX = m_data[i * 4 + 3];
src[0].src0l = d2.src0l;
src[0].src0h = d1.src0h;
src[1].src1 = d2.src1;
src[2].src2l = d3.src2l;
src[2].src2h = d2.src2h;
if (i && (is_has_BRA || std::find(m_jump_lvls.begin(), m_jump_lvls.end(), i) != m_jump_lvls.end()))
{
m_cur_instr->close_scopes++;
AddCode("}");
AddCode("");
AddCode(fmt::Format("if (jump_position <= %u)", jump_position++));
AddCode("{");
m_cur_instr->open_scopes++;
}
if (!d1.sca_opcode && !d1.vec_opcode)
{
AddCode("//nop");
}
switch (d1.sca_opcode)
{
case RSX_SCA_OPCODE_NOP: break;
case RSX_SCA_OPCODE_MOV: SetDSTSca("$s"); break;
case RSX_SCA_OPCODE_RCP: SetDSTSca("(1.0 / $s)"); break;
case RSX_SCA_OPCODE_RCC: SetDSTSca("clamp(1.0 / $s, 5.42101e-20, 1.884467e19)"); break;
case RSX_SCA_OPCODE_RSQ: SetDSTSca("inversesqrt(abs($s))"); break;
case RSX_SCA_OPCODE_EXP: SetDSTSca("exp($s)"); break;
case RSX_SCA_OPCODE_LOG: SetDSTSca("log($s)"); break;
case RSX_SCA_OPCODE_LIT: SetDSTSca("vec4(1.0, $s.x, ($s.x > 0.0 ? exp($s.w * log2($s.y)) : 0.0), 1.0)"); break;
case RSX_SCA_OPCODE_BRA:
{
AddCode("$if ($cond)");
AddCode("{");
m_cur_instr->open_scopes++;
AddCode("jump_position = $a$am;");
AddCode("continue;");
m_cur_instr->close_scopes++;
AddCode("}");
}
break;
/* This triggers opengl driver lost connection error code 7
case RSX_SCA_OPCODE_BRI: // works differently (BRI o[1].x(TR) L0;)
{
uint jump_position;
if (is_has_BRA)
{
jump_position = GetAddr();
}
else
{
int addr = GetAddr();
jump_position = 0;
for (auto pos : m_jump_lvls)
{
if (addr == pos)
break;
++jump_position;
}
}
AddCode("$ifcond ");
AddCode("{");
m_cur_instr->open_scopes++;
AddCode(fmt::Format("jump_position = %u;", jump_position));
AddCode("continue;");
m_cur_instr->close_scopes++;
AddCode("}");
}
break;
*/
case RSX_SCA_OPCODE_CAL:
// works same as BRI
AddCode("$ifcond $f(); //CAL");
break;
case RSX_SCA_OPCODE_CLI:
// works same as BRI
AddCode("$ifcond $f(); //CLI");
break;
case RSX_SCA_OPCODE_RET:
// works like BRI but shorter (RET o[1].x(TR);)
AddCode("$ifcond return;");
break;
case RSX_SCA_OPCODE_LG2: SetDSTSca("log2($s)"); break;
case RSX_SCA_OPCODE_EX2: SetDSTSca("exp2($s)"); break;
case RSX_SCA_OPCODE_SIN: SetDSTSca("sin($s)"); break;
case RSX_SCA_OPCODE_COS: SetDSTSca("cos($s)"); break;
case RSX_SCA_OPCODE_BRB:
// works differently (BRB o[1].x !b0, L0;)
LOG_ERROR(RSX, "Unimplemented sca_opcode BRB");
break;
case RSX_SCA_OPCODE_CLB: break;
// works same as BRB
LOG_ERROR(RSX, "Unimplemented sca_opcode CLB");
break;
case RSX_SCA_OPCODE_PSH: break;
// works differently (PSH o[1].x A0;)
LOG_ERROR(RSX, "Unimplemented sca_opcode PSH");
break;
case RSX_SCA_OPCODE_POP: break;
// works differently (POP o[1].x;)
LOG_ERROR(RSX, "Unimplemented sca_opcode POP");
break;
default:
AddCode(fmt::Format("//Unknown vp sca_opcode 0x%x", fmt::by_value(d1.sca_opcode)));
LOG_ERROR(RSX, "Unknown vp sca_opcode 0x%x", fmt::by_value(d1.sca_opcode));
Emu.Pause();
break;
}
switch (d1.vec_opcode)
{
case RSX_VEC_OPCODE_NOP: break;
case RSX_VEC_OPCODE_MOV: SetDSTVec("$0"); break;
case RSX_VEC_OPCODE_MUL: SetDSTVec("($0 * $1)"); break;
case RSX_VEC_OPCODE_ADD: SetDSTVec("($0 + $2)"); break;
case RSX_VEC_OPCODE_MAD: SetDSTVec("($0 * $1 + $2)"); break;
case RSX_VEC_OPCODE_DP3: SetDSTVec("vec4(dot($0.xyz, $1.xyz))"); break;
case RSX_VEC_OPCODE_DPH: SetDSTVec("vec4(dot(vec4($0.xyz, 1.0), $1))"); break;
case RSX_VEC_OPCODE_DP4: SetDSTVec("vec4(dot($0, $1))"); break;
case RSX_VEC_OPCODE_DST: SetDSTVec("vec4(distance($0, $1))"); break;
case RSX_VEC_OPCODE_MIN: SetDSTVec("min($0, $1)"); break;
case RSX_VEC_OPCODE_MAX: SetDSTVec("max($0, $1)"); break;
case RSX_VEC_OPCODE_SLT: SetDSTVec("vec4(lessThan($0, $1))"); break;
case RSX_VEC_OPCODE_SGE: SetDSTVec("vec4(greaterThanEqual($0, $1))"); break;
case RSX_VEC_OPCODE_ARL: AddCode("$ifcond $a = ivec4($0)$am;"); break;
case RSX_VEC_OPCODE_FRC: SetDSTVec("fract($0)"); break;
case RSX_VEC_OPCODE_FLR: SetDSTVec("floor($0)"); break;
case RSX_VEC_OPCODE_SEQ: SetDSTVec("vec4(equal($0, $1))"); break;
case RSX_VEC_OPCODE_SFL: SetDSTVec("vec4(equal($0, vec4(0.0)))"); break;
case RSX_VEC_OPCODE_SGT: SetDSTVec("vec4(greaterThan($0, $1))"); break;
case RSX_VEC_OPCODE_SLE: SetDSTVec("vec4(lessThanEqual($0, $1))"); break;
case RSX_VEC_OPCODE_SNE: SetDSTVec("vec4(notEqual($0, $1))"); break;
case RSX_VEC_OPCODE_STR: SetDSTVec("vec4(equal($0, vec4(1.0)))"); break;
case RSX_VEC_OPCODE_SSG: SetDSTVec("sign($0)"); break;
case RSX_VEC_OPCODE_TXL: SetDSTVec("texture($t, $0.xy)"); break;
default:
AddCode(fmt::Format("//Unknown vp opcode 0x%x", fmt::by_value(d1.vec_opcode)));
LOG_ERROR(RSX, "Unknown vp opcode 0x%x", fmt::by_value(d1.vec_opcode));
Emu.Pause();
break;
}
}
if (is_has_BRA || !m_jump_lvls.empty())
{
m_cur_instr = &m_instructions[m_instr_count - 1];
m_cur_instr->close_scopes++;
AddCode("}");
AddCode("break;");
m_cur_instr->close_scopes++;
AddCode("}");
}
m_shader = BuildCode();
m_jump_lvls.clear();
m_body.clear();
if (m_funcs.size() > 2)
{
m_funcs.erase(m_funcs.begin() + 2, m_funcs.end());
}
}
#endif

296
rpcs3/Emu/RSX/D3D12/VertexProgramDecompiler.h Normal file
View File

@ -0,0 +1,296 @@
#pragma once
#if defined(DX12_SUPPORT)
#include "Emu/RSX/RSXVertexProgram.h"
#include <set>
#include <vector>
enum ParamFlag
{
PARAM_IN,
PARAM_OUT,
PARAM_UNIFORM,
PARAM_CONST,
PARAM_NONE,
};
struct GLParamItem
{
std::string name;
std::string location;
std::string value;
GLParamItem(const std::string& _name, int _location, const std::string& _value = "")
: name(_name)
, value(_value)
{
if (_location > -1)
location = "layout (location = " + std::to_string(_location) + ") ";
else
location = "";
}
};
struct ParamType
{
const ParamFlag flag;
std::string type;
std::vector<GLParamItem> items;
ParamType(const ParamFlag _flag, const std::string& _type)
: flag(_flag)
, type(_type)
{
}
bool SearchName(const std::string& name)
{
for (u32 i = 0; i<items.size(); ++i)
{
if (items[i].name.compare(name) == 0) return true;
}
return false;
}
std::string Format()
{
std::string ret = "";
for (u32 n = 0; n<items.size(); ++n)
{
ret += items[n].location + type + " " + items[n].name;
if (!items[n].value.empty())
{
ret += " = " + items[n].value;
}
ret += ";\n";
}
return ret;
}
};
struct ParamArray
{
std::vector<ParamType> params;
ParamType* SearchParam(const std::string& type)
{
for (u32 i = 0; i<params.size(); ++i)
{
if (params[i].type.compare(type) == 0)
return &params[i];
}
return nullptr;
}
std::string GetParamFlag(const ParamFlag flag)
{
switch (flag)
{
case PARAM_OUT: return "out ";
case PARAM_IN: return "in ";
case PARAM_UNIFORM: return "uniform ";
case PARAM_CONST: return "const ";
default: return "";
}
}
bool HasParam(const ParamFlag flag, std::string type, const std::string& name)
{
type = GetParamFlag(flag) + type;
ParamType* t = SearchParam(type);
return t && t->SearchName(name);
}
std::string AddParam(const ParamFlag flag, std::string type, const std::string& name, const std::string& value)
{
type = GetParamFlag(flag) + type;
ParamType* t = SearchParam(type);
if (t)
{
if (!t->SearchName(name)) t->items.emplace_back(name, -1, value);
}
else
{
const u32 num = params.size();
params.emplace_back(flag, type);
params[num].items.emplace_back(name, -1, value);
}
return name;
}
std::string AddParam(const ParamFlag flag, std::string type, const std::string& name, int location = -1)
{
type = GetParamFlag(flag) + type;
ParamType* t = SearchParam(type);
if (t)
{
if (!t->SearchName(name)) t->items.emplace_back(name, location);
}
else
{
const u32 num = params.size();
params.emplace_back(flag, type);
params[num].items.emplace_back(name, location);
}
return name;
}
};
class ShaderVar
{
public:
std::string name;
std::vector<std::string> swizzles;
ShaderVar() = default;
ShaderVar(const std::string& var)
{
auto var_blocks = fmt::split(var, { "." });
if (var_blocks.size() == 0)
{
assert(0);
}
name = var_blocks[0];
if (var_blocks.size() == 1)
{
swizzles.push_back("xyzw");
}
else
{
swizzles = std::vector<std::string>(var_blocks.begin() + 1, var_blocks.end());
}
}
int get_vector_size() const
{
return swizzles[swizzles.size() - 1].length();
}
ShaderVar& symplify()
{
std::unordered_map<char, char> swizzle;
static std::unordered_map<int, char> pos_to_swizzle =
{
{ 0, 'x' },
{ 1, 'y' },
{ 2, 'z' },
{ 3, 'w' }
};
for (auto &i : pos_to_swizzle)
{
swizzle[i.second] = swizzles[0].length() > i.first ? swizzles[0][i.first] : 0;
}
for (int i = 1; i < swizzles.size(); ++i)
{
std::unordered_map<char, char> new_swizzle;
for (auto &sw : pos_to_swizzle)
{
new_swizzle[sw.second] = swizzle[swizzles[i].length() <= sw.first ? '\0' : swizzles[i][sw.first]];
}
swizzle = new_swizzle;
}
swizzles.clear();
std::string new_swizzle;
for (auto &i : pos_to_swizzle)
{
if (swizzle[i.second] != '\0')
new_swizzle += swizzle[i.second];
}
swizzles.push_back(new_swizzle);
return *this;
}
std::string get() const
{
if (swizzles.size() == 1 && swizzles[0] == "xyzw")
{
return name;
}
return name + "." + fmt::merge({ swizzles }, ".");
}
};
struct VertexDecompiler
{
struct FuncInfo
{
u32 offset;
std::string name;
};
struct Instruction
{
std::vector<std::string> body;
int open_scopes;
int close_scopes;
int put_close_scopes;
int do_count;
void reset()
{
body.clear();
put_close_scopes = open_scopes = close_scopes = do_count = 0;
}
};
static const size_t m_max_instr_count = 512;
Instruction m_instructions[m_max_instr_count];
Instruction* m_cur_instr;
size_t m_instr_count;
std::set<int> m_jump_lvls;
std::vector<std::string> m_body;
std::vector<FuncInfo> m_funcs;
//wxString main;
std::vector<u32>& m_data;
ParamArray m_parr;
std::string GetMask(bool is_sca);
std::string GetVecMask();
std::string GetScaMask();
std::string GetDST(bool is_sca = false);
std::string GetSRC(const u32 n);
std::string GetFunc();
std::string GetTex();
std::string GetCond();
std::string AddAddrMask();
std::string AddAddrReg();
u32 GetAddr();
std::string Format(const std::string& code);
void AddCodeCond(const std::string& dst, const std::string& src);
void AddCode(const std::string& code);
void SetDST(bool is_sca, std::string value);
void SetDSTVec(const std::string& code);
void SetDSTSca(const std::string& code);
std::string BuildFuncBody(const FuncInfo& func);
std::string BuildCode();
public:
std::string m_shader;
VertexDecompiler(std::vector<u32>& data);
void Decompile();
};
#endif

6
rpcs3/emucore.vcxproj.filters
View File

@ -974,6 +974,9 @@
<ClCompile Include="Emu\RSX\D3D12\D3D12Buffer.cpp">
<Filter>Emu\GPU\RSX\D3D12</Filter>
</ClCompile>
<ClCompile Include="Emu\RSX\D3D12\VertexProgramDecompiler.cpp">
<Filter>Emu\GPU\RSX\D3D12</Filter>
</ClCompile>
</ItemGroup>
<ItemGroup>
<ClInclude Include="Crypto\aes.h">
@ -1846,5 +1849,8 @@
<ClInclude Include="Emu\RSX\D3D12\D3D12Buffer.h">
<Filter>Emu\GPU\RSX\D3D12</Filter>
</ClInclude>
<ClInclude Include="Emu\RSX\D3D12\VertexProgramDecompiler.h">
<Filter>Emu\GPU\RSX\D3D12</Filter>
</ClInclude>
</ItemGroup>
</Project>