public static byte[] Generate(StructuredProgramInfo info, ShaderConfig config)
{
CodeGenContext context = new CodeGenContext(config);
context.AddCapability(Capability.GroupNonUniformBallot);
context.AddCapability(Capability.ImageBuffer);
context.AddCapability(Capability.SampledBuffer);
context.AddCapability(Capability.SubgroupBallotKHR);
context.AddCapability(Capability.SubgroupVoteKHR);
context.AddExtension("SPV_KHR_shader_ballot");
context.AddExtension("SPV_KHR_subgroup_vote");
Declarations.DeclareAll(context, info);
if ((info.HelperFunctionsMask & NeedsInvocationIdMask) != 0)
{
Declarations.DeclareInvocationId(context);
}
for (int funcIndex = 0; funcIndex < info.Functions.Count; funcIndex++)
{
var function = info.Functions[funcIndex];
var retType = context.GetType(function.ReturnType.Convert());
var funcArgs = new SpvInstruction[function.InArguments.Length + function.OutArguments.Length];
for (int argIndex = 0; argIndex < funcArgs.Length; argIndex++)
{
var argType = context.GetType(function.GetArgumentType(argIndex).Convert());
var argPointerType = context.TypePointer(StorageClass.Function, argType);
funcArgs[argIndex] = argPointerType;
}
var funcType = context.TypeFunction(retType, false, funcArgs);
var spvFunc = context.Function(retType, FunctionControlMask.MaskNone, funcType);
context.DeclareFunction(funcIndex, function, spvFunc);
}
for (int funcIndex = 0; funcIndex < info.Functions.Count; funcIndex++)
{
Generate(context, info, funcIndex);
}
return(context.Generate());
}
public static byte[] Generate(StructuredProgramInfo info, ShaderConfig config)
{
SpvInstructionPool instPool;
SpvLiteralIntegerPool integerPool;
lock (PoolLock)
{
instPool = InstructionPool.Allocate();
integerPool = IntegerPool.Allocate();
}
CodeGenContext context = new CodeGenContext(info, config, instPool, integerPool);
context.AddCapability(Capability.GroupNonUniformBallot);
context.AddCapability(Capability.ImageBuffer);
context.AddCapability(Capability.ImageGatherExtended);
context.AddCapability(Capability.ImageQuery);
context.AddCapability(Capability.SampledBuffer);
context.AddCapability(Capability.SubgroupBallotKHR);
context.AddCapability(Capability.SubgroupVoteKHR);
if (config.TransformFeedbackEnabled && config.LastInVertexPipeline)
{
context.AddCapability(Capability.TransformFeedback);
}
if (config.Stage == ShaderStage.Fragment && context.Config.GpuAccessor.QueryHostSupportsFragmentShaderInterlock())
{
context.AddCapability(Capability.FragmentShaderPixelInterlockEXT);
context.AddExtension("SPV_EXT_fragment_shader_interlock");
}
else if (config.Stage == ShaderStage.Geometry)
{
context.AddCapability(Capability.Geometry);
if (config.GpPassthrough && context.Config.GpuAccessor.QueryHostSupportsGeometryShaderPassthrough())
{
context.AddExtension("SPV_NV_geometry_shader_passthrough");
context.AddCapability(Capability.GeometryShaderPassthroughNV);
}
}
else if (config.Stage == ShaderStage.TessellationControl || config.Stage == ShaderStage.TessellationEvaluation)
{
context.AddCapability(Capability.Tessellation);
}
context.AddExtension("SPV_KHR_shader_ballot");
context.AddExtension("SPV_KHR_subgroup_vote");
Declarations.DeclareAll(context, info);
if ((info.HelperFunctionsMask & NeedsInvocationIdMask) != 0)
{
Declarations.DeclareInvocationId(context);
}
for (int funcIndex = 0; funcIndex < info.Functions.Count; funcIndex++)
{
var function = info.Functions[funcIndex];
var retType = context.GetType(function.ReturnType.Convert());
var funcArgs = new SpvInstruction[function.InArguments.Length + function.OutArguments.Length];
for (int argIndex = 0; argIndex < funcArgs.Length; argIndex++)
{
var argType = context.GetType(function.GetArgumentType(argIndex).Convert());
var argPointerType = context.TypePointer(StorageClass.Function, argType);
funcArgs[argIndex] = argPointerType;
}
var funcType = context.TypeFunction(retType, false, funcArgs);
var spvFunc = context.Function(retType, FunctionControlMask.MaskNone, funcType);
context.DeclareFunction(funcIndex, function, spvFunc);
}
for (int funcIndex = 0; funcIndex < info.Functions.Count; funcIndex++)
{
Generate(context, info, funcIndex);
}
byte[] result = context.Generate();
lock (PoolLock)
{
InstructionPool.Release(instPool);
IntegerPool.Release(integerPool);
}
return(result);
}