mirror of
https://github.com/RPCSX/rpcsx.git
synced 2025-12-06 07:12:14 +01:00
428 lines
10 KiB
C++
428 lines
10 KiB
C++
#include "stdafx.h"
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#include "VertexProgram.h"
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wxString VertexDecompilerThread::GetVecMask()
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{
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wxString ret = wxEmptyString;
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if(d3.vec_writemask_x) ret += "x";
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if(d3.vec_writemask_y) ret += "y";
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if(d3.vec_writemask_z) ret += "z";
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if(d3.vec_writemask_w) ret += "w";
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return ret.IsEmpty() || ret == "xyzw" ? wxEmptyString : ("." + ret);
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}
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wxString VertexDecompilerThread::GetScaMask()
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{
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wxString ret = wxEmptyString;
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if(d3.sca_writemask_x) ret += "x";
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if(d3.sca_writemask_y) ret += "y";
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if(d3.sca_writemask_z) ret += "z";
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if(d3.sca_writemask_w) ret += "w";
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return ret.IsEmpty() || ret == "xyzw" ? wxEmptyString : ("." + ret);
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}
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wxString VertexDecompilerThread::GetDST(bool isSca)
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{
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static const wxString reg_table[] =
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{
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"gl_Position",
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"col0", "col1",
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"bfc0", "bfc1",
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"fogc",
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"gl_Pointsize",
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"tc0", "tc1", "tc2", "tc3", "tc4", "tc5", "tc6", "tc7"
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};
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wxString ret = wxEmptyString;
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u32 dst = isSca ? d3.sca_dst : d3.dst;
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switch(dst)
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{
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case 0x0: case 0x6:
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ret += reg_table[dst];
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break;
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case 0x1f:
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ret += m_parr.AddParam(PARAM_NONE, "vec4", wxString::Format("tmp%d", d0.dst_tmp));
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break;
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default:
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if(dst < WXSIZEOF(reg_table))
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{
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ret += m_parr.AddParam(PARAM_OUT, "vec4", reg_table[dst]);
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}
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else
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{
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ConLog.Error("Bad dst reg num: %d", dst);
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ret += m_parr.AddParam(PARAM_OUT, "vec4", "unk");
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}
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break;
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}
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return ret;
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}
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wxString VertexDecompilerThread::GetSRC(const u32 n, bool isSca)
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{
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static const wxString reg_table[] =
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{
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"in_pos", "in_weight", "in_normal",
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"in_col0", "in_col1",
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"in_fogc",
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"in_6", "in_7",
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"in_tc0", "in_tc1", "in_tc2", "in_tc3",
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"in_tc4", "in_tc5", "in_tc6", "in_tc7"
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};
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wxString ret = wxEmptyString;
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switch(src[n].reg_type)
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{
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case 1: //temp
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ret += m_parr.AddParam(PARAM_NONE, "vec4", wxString::Format("tmp%d", src[n].tmp_src));
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break;
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case 2: //input
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if(d1.input_src < WXSIZEOF(reg_table))
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{
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ret += m_parr.AddParam(PARAM_IN, "vec4", reg_table[d1.input_src], d1.input_src);
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}
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else
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{
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ConLog.Error("Bad input src num: %d", d1.input_src);
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ret += m_parr.AddParam(PARAM_IN, "vec4", "in_unk", d1.input_src);
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}
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break;
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case 3: //const
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ret += m_parr.AddParam(PARAM_CONST, "vec4", wxString::Format("vc%d", d1.const_src));
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break;
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default:
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ConLog.Error("Bad src%d reg type: %d", n, src[n].reg_type);
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Emu.Pause();
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break;
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}
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static const char f[4] = {'x', 'z', 'w', 'y'};
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static const char fSca[4] = {'x', 'z', 'y', 'w'};
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wxString swizzle = wxEmptyString;
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if (isSca)
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{
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assert(src[n].swz_x == src[n].swz_y);
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assert(src[n].swz_z == src[n].swz_w);
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assert(src[n].swz_x == src[n].swz_z);
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ret += "." + fSca[src[n].swz_x];
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}
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else
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{
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swizzle += f[src[n].swz_x];
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swizzle += f[src[n].swz_y];
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swizzle += f[src[n].swz_z];
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swizzle += f[src[n].swz_w];
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if(swizzle != "xyzw") ret += "." + swizzle;
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}
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bool abs;
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switch(n)
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{
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case 0: abs = d0.src0_abs; break;
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case 1: abs = d0.src1_abs; break;
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case 2: abs = d0.src2_abs; break;
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}
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if(abs) ret = "abs(" + ret + ")";
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if(src[n].neg) ret = "-" + ret;
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return ret;
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}
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void VertexDecompilerThread::AddVecCode(wxString code, bool src_mask)
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{
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if(d0.cond == 0) return;
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if(d0.cond != 7)
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{
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ConLog.Error("Bad cond! %d", d0.cond);
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Emu.Pause();
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return;
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}
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code = GetDST() + GetVecMask() + " = " + (src_mask ? code + GetVecMask() : code);
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main += "\t" + code + ";\n";
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}
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void VertexDecompilerThread::AddScaCode(wxString code, bool src_mask)
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{
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if(d0.cond == 0) return;
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if(d0.cond != 7)
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{
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ConLog.Error("Bad cond! %d", d0.cond);
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Emu.Pause();
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return;
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}
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code = GetDST(true) + GetScaMask() + " = " + (src_mask ? code + GetScaMask() : code);
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main += "\t" + code + ";\n";
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}
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wxString VertexDecompilerThread::BuildCode()
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{
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wxString p = wxEmptyString;
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for(u32 i=0; i<m_parr.params.GetCount(); ++i)
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{
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p += m_parr.params[i].Format();
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}
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static const wxString& prot =
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"#version 330\n"
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"\n"
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"%s\n"
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"void main()\n{\n%s}\n";
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return wxString::Format(prot, p, main);
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}
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void VertexDecompilerThread::Task()
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{
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for(u32 i=0;;)
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{
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d0.HEX = m_data[i++];
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d1.HEX = m_data[i++];
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d2.HEX = m_data[i++];
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d3.HEX = m_data[i++];
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src[0].HEX = d2.src0l | (d1.src0h << 9);
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src[1].HEX = d2.src1;
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src[2].HEX = d3.src2l | (d2.src2h << 11);
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switch(d1.sca_opcode)
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{
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case 0x00: break; // NOP
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case 0x01: AddScaCode(GetSRC(2, true)); break; // MOV
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case 0x02: AddScaCode("1 / (" + GetSRC(2, true) + ")"); break; // RCP
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case 0x03: AddScaCode("clamp(1 / (" + GetSRC(2, true) + "), 5.42101e-20, 1.884467e19"); break; // RCC
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case 0x04: AddScaCode("inversesqrt(" + GetSRC(2, true) + ")"); break; // RSQ
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case 0x05: AddScaCode("exp(" + GetSRC(2, true) + ")"); break; // EXP
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case 0x06: AddScaCode("log(" + GetSRC(2, true) + ")"); break; // LOG
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//case 0x07: break; // LIT
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//case 0x08: break; // BRA
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//case 0x09: break; // BRI : works differently (BRI o[1].x(TR) L0;)
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//case 0x0a: break; // CAL : works same as BRI
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//case 0x0b: break; // CLI : works same as BRI
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//case 0x0c: break; // RET : works like BRI but shorter (RET o[1].x(TR);)
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case 0x0d: AddScaCode("log2(" + GetSRC(2, true) + ")"); break; // LG2
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case 0x0e: AddScaCode("exp2(" + GetSRC(2, true) + ")"); break; // EX2
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case 0x0f: AddScaCode("sin(" + GetSRC(2, true) + ")"); break; // SIN
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case 0x10: AddScaCode("cos(" + GetSRC(2, true) + ")"); break; // COS
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//case 0x11: break; // BRB : works differently (BRB o[1].x !b0, L0;)
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//case 0x12: break; // CLB : works same as BRB
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//case 0x13: break; // PSH : works differently (PSH o[1].x A0;)
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//case 0x14: break; // POP : works differently (POP o[1].x;)
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default:
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ConLog.Error("Unknown vp sca_opcode 0x%x", d1.sca_opcode);
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Emu.Pause();
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break;
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}
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switch(d1.vec_opcode)
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{
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case 0x00: break; //NOP
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case 0x01: AddVecCode(GetSRC(0)); break; //MOV
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case 0x02: AddVecCode("(" + GetSRC(0) + " * " + GetSRC(1) + ")"); break; //MUL
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case 0x03: AddVecCode("(" + GetSRC(0) + " + " + GetSRC(1) + ")"); break; //ADD
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case 0x04: AddVecCode("(" + GetSRC(0) + " * " + GetSRC(1) + " + " + GetSRC(2) + ")"); break; //MAD
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case 0x05: AddVecCode("dot(" + GetSRC(0) + ".xyz, " + GetSRC(1) + ".xyz)", false); break; //DP3
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case 0x06: AddVecCode("(dot(" + GetSRC(0) + ".xyz, " + GetSRC(1) + ".xyz) + " + GetSRC(1) + ".w)", false); break; //DPH
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case 0x07: AddVecCode("dot(" + GetSRC(0) + ", " + GetSRC(1) + ")", false); break; //DP4
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case 0x08: AddVecCode("distance(" + GetSRC(0) + ", " + GetSRC(1) + ")"); break; //DST
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case 0x09: AddVecCode("min(" + GetSRC(0) + ", " + GetSRC(1) + ")"); break; //MIN
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case 0x0a: AddVecCode("max(" + GetSRC(0) + ", " + GetSRC(1) + ")"); break; //MAX
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case 0x0b: AddVecCode("lessThan(" + GetSRC(0) + ", " + GetSRC(1) + ")"); break; //SLT
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case 0x0c: AddVecCode("greaterThanEqual(" + GetSRC(0) + ", " + GetSRC(1) + ")"); break; //SGE
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case 0x0e: AddVecCode("fract(" + GetSRC(0) + ")"); break; //FRC
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case 0x0f: AddVecCode("floor(" + GetSRC(0) + ")"); break; //FLR
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case 0x10: AddVecCode("equal(" + GetSRC(0) + ", " + GetSRC(1) + ")"); break; //SEQ
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case 0x11: AddVecCode("vec4(0.0f, 0.0f, 0.0f, 0.0f)"); break; //SFL
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case 0x12: AddVecCode("greaterThan(" + GetSRC(0) + ", " + GetSRC(1) + ")"); break; //SGT
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case 0x13: AddVecCode("lessThanEqual(" + GetSRC(0) + ", " + GetSRC(1) + ")"); break; //SLE
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case 0x14: AddVecCode("notEqual(" + GetSRC(0) + ", " + GetSRC(1) + ")"); break; //SNE
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case 0x15: AddVecCode("vec4(1.0f, 1.0f, 1.0f, 1.0f)"); break; //STR
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case 0x16: AddVecCode("sign(" + GetSRC(0) + ", " + GetSRC(1) + ")"); break; //SSG
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default:
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ConLog.Error("Unknown vp opcode 0x%x", d1.vec_opcode);
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Emu.Pause();
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break;
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}
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if(d3.end) break;
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}
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m_shader = BuildCode();
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main = wxEmptyString;
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}
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VertexProgram::VertexProgram()
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: m_decompiler_thread(NULL)
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, id(0)
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{
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}
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VertexProgram::~VertexProgram()
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{
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if(m_decompiler_thread)
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{
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Wait();
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if(m_decompiler_thread->IsAlive())
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{
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m_decompiler_thread->Stop();
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}
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delete m_decompiler_thread;
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m_decompiler_thread = nullptr;
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}
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Delete();
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}
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void VertexProgram::Decompile()
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{
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#if 0
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VertexDecompilerThread(data, shader, parr).Entry();
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#else
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if(m_decompiler_thread)
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{
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Wait();
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if(m_decompiler_thread->IsAlive())
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{
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m_decompiler_thread->Stop();
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}
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delete m_decompiler_thread;
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m_decompiler_thread = nullptr;
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}
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m_decompiler_thread = new VertexDecompilerThread(data, shader, parr);
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m_decompiler_thread->Start();
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#endif
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}
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void VertexProgram::Compile()
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{
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if(id) glDeleteShader(id);
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id = glCreateShader(GL_VERTEX_SHADER);
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const char* str = shader.c_str();
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const int strlen = shader.Len();
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glShaderSource(id, 1, &str, &strlen);
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glCompileShader(id);
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GLint r = GL_FALSE;
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glGetShaderiv(id, GL_COMPILE_STATUS, &r);
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if(r != GL_TRUE)
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{
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glGetShaderiv(id, GL_INFO_LOG_LENGTH, &r);
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if(r)
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{
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char* buf = new char[r+1];
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GLsizei len;
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memset(buf, 0, r+1);
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glGetShaderInfoLog(id, r, &len, buf);
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ConLog.Error("Failed to compile vertex shader: %s", buf);
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delete[] buf;
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}
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ConLog.Write(shader);
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Emu.Pause();
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}
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//else ConLog.Write("Vertex shader compiled successfully!");
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}
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void VertexProgram::Delete()
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{
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data.Clear();
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for(u32 i=0; i<parr.params.GetCount(); ++i)
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{
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parr.params[i].items.Clear();
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parr.params[i].type.Clear();
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}
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parr.params.Clear();
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constants4.Clear();
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shader.Clear();
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if(id)
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{
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glDeleteShader(id);
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id = 0;
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}
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}
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void VertexData::Load(u32 start, u32 count)
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{
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const u32 tsize = GetTypeSize();
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data.SetCount((start + count) * tsize * size);
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for(u32 i=start; i<start + count; ++i)
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{
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const u8* src = Memory.GetMemFromAddr(addr) + stride * i;
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u8* dst = &data[i * tsize * size];
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switch(tsize)
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{
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case 1:
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{
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memcpy(dst, src, size);
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}
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break;
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case 2:
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{
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const u16* c_src = (const u16*)src;
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u16* c_dst = (u16*)dst;
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for(u32 j=0; j<size; ++j) *c_dst++ = re(*c_src++);
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}
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break;
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case 4:
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{
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const u32* c_src = (const u32*)src;
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u32* c_dst = (u32*)dst;
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for(u32 j=0; j<size; ++j) *c_dst++ = re(*c_src++);
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}
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break;
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}
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}
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}
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u32 VertexData::GetTypeSize()
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{
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switch (type)
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{
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case 1: return 2;
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case 2: return 4;
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case 3: return 2;
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case 4: return 1;
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case 5: return 2;
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case 7: return 1;
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}
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ConLog.Error("Bad vertex data type! %d", type);
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return 1;
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} |