public GlslProgram Decompile(int[] Code, GalShaderType ShaderType)
{
ShaderIrBlock Block = ShaderDecoder.DecodeBasicBlock(Code, 0);
ShaderIrNode[] Nodes = Block.GetNodes();
Decl = new GlslDecl(Nodes, ShaderType);
SB = new StringBuilder();
SB.AppendLine("#version 410 core");
PrintDeclTextures();
PrintDeclUniforms();
PrintDeclInAttributes();
PrintDeclOutAttributes();
PrintDeclGprs();
PrintDeclPreds();
PrintBlockScope("void main()", 1, Nodes);
string GlslCode = SB.ToString();
return(new GlslProgram(
GlslCode,
Decl.Textures.Values,
Decl.Uniforms.Values));
}
public static GlslDecl Merge(GlslDecl VpA, GlslDecl VpB)
{
GlslDecl Combined = new GlslDecl(GalShaderType.Vertex);
Merge(Combined.m_Textures, VpA.m_Textures, VpB.m_Textures);
Merge(Combined.m_Uniforms, VpA.m_Uniforms, VpB.m_Uniforms);
Merge(Combined.m_Attributes, VpA.m_Attributes, VpB.m_Attributes);
Merge(Combined.m_OutAttributes, VpA.m_OutAttributes, VpB.m_OutAttributes);
Merge(Combined.m_Gprs, VpA.m_Gprs, VpB.m_Gprs);
Merge(Combined.m_Preds, VpA.m_Preds, VpB.m_Preds);
//Merge input attributes.
foreach (KeyValuePair <int, ShaderDeclInfo> KV in VpA.m_InAttributes)
{
Combined.m_InAttributes.TryAdd(KV.Key, KV.Value);
}
foreach (KeyValuePair <int, ShaderDeclInfo> KV in VpB.m_InAttributes)
{
//If Vertex Program A already writes to this attribute,
//then we don't need to add it as an input attribute since
//Vertex Program A will already have written to it anyway,
//and there's no guarantee that there is an input attribute
//for this slot.
if (!VpA.m_OutAttributes.ContainsKey(KV.Key))
{
Combined.m_InAttributes.TryAdd(KV.Key, KV.Value);
}
}
return(Combined);
}
public GlslProgram Decompile(IGalMemory Memory, long Position, GalShaderType ShaderType)
{
Blocks = ShaderDecoder.Decode(Memory, Position);
Decl = new GlslDecl(Blocks, ShaderType);
SB = new StringBuilder();
SB.AppendLine("#version 410 core");
PrintDeclTextures();
PrintDeclUniforms();
PrintDeclInAttributes();
PrintDeclOutAttributes();
PrintDeclGprs();
PrintDeclPreds();
PrintBlockScope(Blocks[0], null, null, "void main()", IdentationStr);
string GlslCode = SB.ToString();
return(new GlslProgram(
GlslCode,
Decl.Textures.Values,
Decl.Uniforms.Values));
}
public GlslProgram Decompile(IGalMemory Memory, long Position, GalShaderType ShaderType)
{
Blocks = ShaderDecoder.Decode(Memory, Position);
BlocksB = null;
Decl = new GlslDecl(Blocks, ShaderType);
return(Decompile());
}
public GlslProgram Decompile(byte[] Binary, GalShaderType ShaderType)
{
Header = new ShaderHeader(Binary);
HeaderB = null;
Blocks = ShaderDecoder.Decode(Binary);
BlocksB = null;
Decl = new GlslDecl(Blocks, ShaderType, Header);
return(Decompile());
}
public GlslProgram Decompile(
IGalMemory Memory,
long VpAPosition,
long VpBPosition,
GalShaderType ShaderType)
{
Blocks = ShaderDecoder.Decode(Memory, VpAPosition);
BlocksB = ShaderDecoder.Decode(Memory, VpBPosition);
GlslDecl DeclVpA = new GlslDecl(Blocks, ShaderType);
GlslDecl DeclVpB = new GlslDecl(BlocksB, ShaderType);
Decl = GlslDecl.Merge(DeclVpA, DeclVpB);
return(Decompile());
}
public GlslProgram Decompile(
byte[] BinaryA,
byte[] BinaryB,
GalShaderType ShaderType)
{
Header = new ShaderHeader(BinaryA);
HeaderB = new ShaderHeader(BinaryB);
Blocks = ShaderDecoder.Decode(BinaryA);
BlocksB = ShaderDecoder.Decode(BinaryB);
GlslDecl DeclVpA = new GlslDecl(Blocks, ShaderType, Header);
GlslDecl DeclVpB = new GlslDecl(BlocksB, ShaderType, HeaderB);
Decl = GlslDecl.Merge(DeclVpA, DeclVpB);
return(Decompile());
}
private void PrintMain()
{
SB.AppendLine("void main() {");
foreach (KeyValuePair <int, ShaderDeclInfo> KV in Decl.InAttributes)
{
if (!Decl.Attributes.TryGetValue(KV.Key, out ShaderDeclInfo Attr))
{
continue;
}
ShaderDeclInfo DeclInfo = KV.Value;
if (Decl.ShaderType == GalShaderType.Geometry)
{
for (int Vertex = 0; Vertex < MaxVertexInput; Vertex++)
{
string Dst = Attr.Name + "[" + Vertex + "]";
string Src = "block_in[" + Vertex + "]." + DeclInfo.Name;
SB.AppendLine(IdentationStr + Dst + " = " + Src + ";");
}
}
else
{
SB.AppendLine(IdentationStr + Attr.Name + " = " + DeclInfo.Name + ";");
}
}
SB.AppendLine(IdentationStr + "uint pc;");
if (BlocksB != null)
{
PrintProgram(Blocks, GlslDecl.BasicBlockAName);
PrintProgram(BlocksB, GlslDecl.BasicBlockBName);
}
else
{
PrintProgram(Blocks, GlslDecl.BasicBlockName);
}
if (Decl.ShaderType != GalShaderType.Geometry)
{
PrintAttrToOutput();
}
if (Decl.ShaderType == GalShaderType.Fragment)
{
if (Header.OmapDepth)
{
SB.AppendLine(IdentationStr + "gl_FragDepth = " + GlslDecl.GetGprName(Header.DepthRegister) + ";");
}
int GprIndex = 0;
for (int Attachment = 0; Attachment < 8; Attachment++)
{
string Output = GlslDecl.FragmentOutputName + Attachment;
OmapTarget Target = Header.OmapTargets[Attachment];
for (int Component = 0; Component < 4; Component++)
{
if (Target.ComponentEnabled(Component))
{
SB.AppendLine(IdentationStr + Output + "[" + Component + "] = " + GlslDecl.GetGprName(GprIndex) + ";");
GprIndex++;
}
}
}
}
SB.AppendLine("}");
}