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Add partial support for the BRX shader instruction

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This commit is contained in:
gdk 2019-11-14 14:20:30 -03:00 • committed by Thog
parent d274328c31
commit f0a59f345c
15 changed files with 242 additions and 126 deletions
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47
Ryujinx.Graphics.Shader/Translation/Translator.cs
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@ -46,7 +46,12 @@ namespace Ryujinx.Graphics.Shader.Translation
bool compute = (translationConfig.Flags & TranslationFlags.Compute) != 0;
bool debugMode = (translationConfig.Flags & TranslationFlags.DebugMode) != 0;
Operation[] ops = DecodeShader(code, compute, debugMode, out ShaderHeader header);
Operation[] ops = DecodeShader(
code,
compute,
debugMode,
out ShaderHeader header,
out int size);
ShaderStage stage;
@ -76,15 +81,15 @@ namespace Ryujinx.Graphics.Shader.Translation
maxOutputVertexCount,
outputTopology);
return Translate(ops, config);
return Translate(ops, config, size);
}
public static ShaderProgram Translate(Span<byte> vpACode, Span<byte> vpBCode, TranslationConfig translationConfig)
{
bool debugMode = (translationConfig.Flags & TranslationFlags.DebugMode) != 0;
Operation[] vpAOps = DecodeShader(vpACode, compute: false, debugMode, out _);
Operation[] vpBOps = DecodeShader(vpBCode, compute: false, debugMode, out ShaderHeader header);
Operation[] vpAOps = DecodeShader(vpACode, compute: false, debugMode, out _, out _);
Operation[] vpBOps = DecodeShader(vpBCode, compute: false, debugMode, out ShaderHeader header, out int sizeB);
ShaderConfig config = new ShaderConfig(
header.Stage,
@ -93,10 +98,10 @@ namespace Ryujinx.Graphics.Shader.Translation
header.MaxOutputVertexCount,
header.OutputTopology);
return Translate(Combine(vpAOps, vpBOps), config);
return Translate(Combine(vpAOps, vpBOps), config, sizeB);
}
private static ShaderProgram Translate(Operation[] ops, ShaderConfig config)
private static ShaderProgram Translate(Operation[] ops, ShaderConfig config, int size)
{
BasicBlock[] irBlocks = ControlFlowGraph.MakeCfg(ops);
@ -122,17 +127,20 @@ namespace Ryujinx.Graphics.Shader.Translation
string glslCode = program.Code;
return new ShaderProgram(spInfo, config.Stage, glslCode);
return new ShaderProgram(spInfo, config.Stage, glslCode, size);
}
private static Operation[] DecodeShader(Span<byte> code, bool compute, bool debugMode, out ShaderHeader header)
private static Operation[] DecodeShader(
Span<byte> code,
bool compute,
bool debugMode,
out ShaderHeader header,
out int size)
{
Block[] cfg;
EmitterContext context;
ulong headerSize;
if (compute)
{
header = null;
@ -140,8 +148,6 @@ namespace Ryujinx.Graphics.Shader.Translation
cfg = Decoder.Decode(code, 0);
context = new EmitterContext(ShaderStage.Compute, header);
headerSize = 0;
}
else
{
@ -150,14 +156,19 @@ namespace Ryujinx.Graphics.Shader.Translation
cfg = Decoder.Decode(code, HeaderSize);
context = new EmitterContext(header.Stage, header);
headerSize = HeaderSize;
}
ulong maxEndAddress = 0;
for (int blkIndex = 0; blkIndex < cfg.Length; blkIndex++)
{
Block block = cfg[blkIndex];
if (maxEndAddress < block.EndAddress)
{
maxEndAddress = block.EndAddress;
}
context.CurrBlock = block;
context.MarkLabel(context.GetLabel(block.Address));
@ -179,7 +190,7 @@ namespace Ryujinx.Graphics.Shader.Translation
instName = "???";
}
string dbgComment = $"0x{(op.Address - headerSize):X6}: 0x{op.RawOpCode:X16} {instName}";
string dbgComment = $"0x{op.Address:X6}: 0x{op.RawOpCode:X16} {instName}";
context.Add(new CommentNode(dbgComment));
}
@ -193,13 +204,13 @@ namespace Ryujinx.Graphics.Shader.Translation
bool skipPredicateCheck = op.Emitter == InstEmit.Bra;
if (op is OpCodeSync opSync)
if (op is OpCodeBranchPop opBranchPop)
{
// If the instruction is a SYNC instruction with only one
// possible target address, then the instruction is basically
// just a simple branch, we can generate code similar to branch
// instructions, with the condition check on the branch itself.
skipPredicateCheck |= opSync.Targets.Count < 2;
skipPredicateCheck |= opBranchPop.Targets.Count < 2;
}
if (!(op.Predicate.IsPT || skipPredicateCheck))
@ -243,6 +254,8 @@ namespace Ryujinx.Graphics.Shader.Translation
}
}
size = (int)maxEndAddress + (compute ? 0 : HeaderSize);
return context.GetOperations();
}