private static ShaderProgram Translate(Operation[] ops, ShaderConfig config, int size)
{
BasicBlock[] blocks = ControlFlowGraph.MakeCfg(ops);
if (blocks.Length > 0)
{
Dominance.FindDominators(blocks[0], blocks.Length);
Dominance.FindDominanceFrontiers(blocks);
Ssa.Rename(blocks);
Optimizer.RunPass(blocks, config);
Lowering.RunPass(blocks, config);
}
StructuredProgramInfo sInfo = StructuredProgram.MakeStructuredProgram(blocks, config);
GlslProgram program = GlslGenerator.Generate(sInfo, config);
ShaderProgramInfo spInfo = new ShaderProgramInfo(
program.CBufferDescriptors,
program.SBufferDescriptors,
program.TextureDescriptors,
program.ImageDescriptors,
sInfo.UsesInstanceId);
string glslCode = program.Code;
return(new ShaderProgram(spInfo, config.Stage, glslCode, size));
}
private static ShaderProgram Translate(FunctionCode[] functions, ShaderConfig config, int sizeA = 0)
{
var cfgs = new ControlFlowGraph[functions.Length];
var frus = new RegisterUsage.FunctionRegisterUsage[functions.Length];
for (int i = 0; i < functions.Length; i++)
{
cfgs[i] = ControlFlowGraph.Create(functions[i].Code);
if (i != 0)
{
frus[i] = RegisterUsage.RunPass(cfgs[i]);
}
}
Function[] funcs = new Function[functions.Length];
for (int i = 0; i < functions.Length; i++)
{
var cfg = cfgs[i];
int inArgumentsCount = 0;
int outArgumentsCount = 0;
if (i != 0)
{
var fru = frus[i];
inArgumentsCount = fru.InArguments.Length;
outArgumentsCount = fru.OutArguments.Length;
}
if (cfg.Blocks.Length != 0)
{
RegisterUsage.FixupCalls(cfg.Blocks, frus);
Dominance.FindDominators(cfg);
Dominance.FindDominanceFrontiers(cfg.Blocks);
Ssa.Rename(cfg.Blocks);
Optimizer.RunPass(cfg.Blocks, config);
Lowering.RunPass(cfg.Blocks, config);
}
funcs[i] = new Function(cfg.Blocks, $"fun{i}", false, inArgumentsCount, outArgumentsCount);
}
StructuredProgramInfo sInfo = StructuredProgram.MakeStructuredProgram(funcs, config);
GlslProgram program = GlslGenerator.Generate(sInfo, config);
ShaderProgramInfo spInfo = new ShaderProgramInfo(
program.CBufferDescriptors,
program.SBufferDescriptors,
program.TextureDescriptors,
program.ImageDescriptors,
sInfo.UsesInstanceId);
string glslCode = program.Code;
return(new ShaderProgram(spInfo, config.Stage, glslCode, config.Size, sizeA));
}