public static void Declare(CodeGenContext context, StructuredProgramInfo info)
{
context.AppendLine("#version 430 core");
context.AppendLine("#extension GL_ARB_gpu_shader_int64 : enable");
context.AppendLine("#extension GL_ARB_shader_ballot : enable");
context.AppendLine("#extension GL_ARB_shader_group_vote : enable");
context.AppendLine("#extension GL_EXT_shader_image_load_formatted : enable");
if (context.Config.Stage == ShaderStage.Compute)
{
context.AppendLine("#extension GL_ARB_compute_shader : enable");
}
context.AppendLine("#pragma optionNV(fastmath off)");
context.AppendLine();
context.AppendLine($"const int {DefaultNames.UndefinedName} = 0;");
context.AppendLine();
if (context.Config.Stage == ShaderStage.Geometry)
{
string inPrimitive = context.Config.GpuAccessor.QueryPrimitiveTopology().ToGlslString();
context.AppendLine($"layout ({inPrimitive}) in;");
string outPrimitive = context.Config.OutputTopology.ToGlslString();
int maxOutputVertices = context.Config.MaxOutputVertices;
context.AppendLine($"layout ({outPrimitive}, max_vertices = {maxOutputVertices}) out;");
context.AppendLine();
}
if (context.Config.Stage == ShaderStage.Compute)
{
int localMemorySize = BitUtils.DivRoundUp(context.Config.GpuAccessor.QueryComputeLocalMemorySize(), 4);
if (localMemorySize != 0)
{
string localMemorySizeStr = NumberFormatter.FormatInt(localMemorySize);
context.AppendLine($"uint {DefaultNames.LocalMemoryName}[{localMemorySizeStr}];");
context.AppendLine();
}
int sharedMemorySize = BitUtils.DivRoundUp(context.Config.GpuAccessor.QueryComputeSharedMemorySize(), 4);
if (sharedMemorySize != 0)
{
string sharedMemorySizeStr = NumberFormatter.FormatInt(sharedMemorySize);
context.AppendLine($"shared uint {DefaultNames.SharedMemoryName}[{sharedMemorySizeStr}];");
context.AppendLine();
}
}
else if (context.Config.LocalMemorySize != 0)
{
int localMemorySize = BitUtils.DivRoundUp(context.Config.LocalMemorySize, 4);
string localMemorySizeStr = NumberFormatter.FormatInt(localMemorySize);
context.AppendLine($"uint {DefaultNames.LocalMemoryName}[{localMemorySizeStr}];");
context.AppendLine();
}
if (info.CBuffers.Count != 0)
{
DeclareUniforms(context, info);
context.AppendLine();
}
if (info.SBuffers.Count != 0)
{
DeclareStorages(context, info);
context.AppendLine();
}
if (info.Samplers.Count != 0)
{
DeclareSamplers(context, info);
context.AppendLine();
}
if (info.Images.Count != 0)
{
DeclareImages(context, info);
context.AppendLine();
}
if (context.Config.Stage != ShaderStage.Compute)
{
if (info.IAttributes.Count != 0)
{
DeclareInputAttributes(context, info);
context.AppendLine();
}
if (info.OAttributes.Count != 0 || context.Config.Stage != ShaderStage.Fragment)
{
DeclareOutputAttributes(context, info);
context.AppendLine();
}
}
else
{
string localSizeX = NumberFormatter.FormatInt(context.Config.GpuAccessor.QueryComputeLocalSizeX());
string localSizeY = NumberFormatter.FormatInt(context.Config.GpuAccessor.QueryComputeLocalSizeY());
string localSizeZ = NumberFormatter.FormatInt(context.Config.GpuAccessor.QueryComputeLocalSizeZ());
context.AppendLine(
"layout (" +
$"local_size_x = {localSizeX}, " +
$"local_size_y = {localSizeY}, " +
$"local_size_z = {localSizeZ}) in;");
context.AppendLine();
}
if ((info.HelperFunctionsMask & HelperFunctionsMask.MultiplyHighS32) != 0)
{
AppendHelperFunction(context, "Ryujinx.Graphics.Shader/CodeGen/Glsl/HelperFunctions/MultiplyHighS32.glsl");
}
if ((info.HelperFunctionsMask & HelperFunctionsMask.MultiplyHighU32) != 0)
{
AppendHelperFunction(context, "Ryujinx.Graphics.Shader/CodeGen/Glsl/HelperFunctions/MultiplyHighU32.glsl");
}
if ((info.HelperFunctionsMask & HelperFunctionsMask.Shuffle) != 0)
{
AppendHelperFunction(context, "Ryujinx.Graphics.Shader/CodeGen/Glsl/HelperFunctions/Shuffle.glsl");
}
if ((info.HelperFunctionsMask & HelperFunctionsMask.ShuffleDown) != 0)
{
AppendHelperFunction(context, "Ryujinx.Graphics.Shader/CodeGen/Glsl/HelperFunctions/ShuffleDown.glsl");
}
if ((info.HelperFunctionsMask & HelperFunctionsMask.ShuffleUp) != 0)
{
AppendHelperFunction(context, "Ryujinx.Graphics.Shader/CodeGen/Glsl/HelperFunctions/ShuffleUp.glsl");
}
if ((info.HelperFunctionsMask & HelperFunctionsMask.ShuffleXor) != 0)
{
AppendHelperFunction(context, "Ryujinx.Graphics.Shader/CodeGen/Glsl/HelperFunctions/ShuffleXor.glsl");
}
if ((info.HelperFunctionsMask & HelperFunctionsMask.SwizzleAdd) != 0)
{
AppendHelperFunction(context, "Ryujinx.Graphics.Shader/CodeGen/Glsl/HelperFunctions/SwizzleAdd.glsl");
}
}
private static void DeclareSamplers(CodeGenContext context, StructuredProgramInfo info)
{
Dictionary <string, AstTextureOperation> samplers = new Dictionary <string, AstTextureOperation>();
// Texture instructions other than TextureSample (like TextureSize)
// may have incomplete sampler type information. In those cases,
// we prefer instead the more accurate information from the
// TextureSample instruction, if both are available.
foreach (AstTextureOperation texOp in info.Samplers.OrderBy(x => x.Handle * 2 + (x.Inst == Instruction.TextureSample ? 0 : 1)))
{
string indexExpr = NumberFormatter.FormatInt(texOp.ArraySize);
string samplerName = OperandManager.GetSamplerName(context.Config.Stage, texOp, indexExpr);
if (!samplers.TryAdd(samplerName, texOp))
{
continue;
}
string samplerTypeName = GetSamplerTypeName(texOp.Type);
context.AppendLine("uniform " + samplerTypeName + " " + samplerName + ";");
}
foreach (KeyValuePair <string, AstTextureOperation> kv in samplers)
{
string samplerName = kv.Key;
AstTextureOperation texOp = kv.Value;
TextureDescriptor desc;
if ((texOp.Flags & TextureFlags.Bindless) != 0)
{
AstOperand operand = texOp.GetSource(0) as AstOperand;
desc = new TextureDescriptor(samplerName, texOp.Type, operand.CbufSlot, operand.CbufOffset);
context.TextureDescriptors.Add(desc);
}
else if ((texOp.Type & SamplerType.Indexed) != 0)
{
for (int index = 0; index < texOp.ArraySize; index++)
{
string indexExpr = NumberFormatter.FormatInt(index);
string indexedSamplerName = OperandManager.GetSamplerName(context.Config.Stage, texOp, indexExpr);
desc = new TextureDescriptor(indexedSamplerName, texOp.Type, texOp.Handle + index * 2);
context.TextureDescriptors.Add(desc);
}
}
else
{
desc = new TextureDescriptor(samplerName, texOp.Type, texOp.Handle);
context.TextureDescriptors.Add(desc);
}
}
}
private static void PrintBlock(CodeGenContext context, AstBlock block)
{
AstBlockVisitor visitor = new AstBlockVisitor(block);
visitor.BlockEntered += (sender, e) =>
{
switch (e.Block.Type)
{
case AstBlockType.DoWhile:
context.AppendLine("do");
break;
case AstBlockType.Else:
context.AppendLine("else");
break;
case AstBlockType.ElseIf:
context.AppendLine($"else if ({GetCondExpr(context, e.Block.Condition)})");
break;
case AstBlockType.If:
context.AppendLine($"if ({GetCondExpr(context, e.Block.Condition)})");
break;
default: throw new InvalidOperationException($"Found unexpected block type \"{e.Block.Type}\".");
}
context.EnterScope();
};
visitor.BlockLeft += (sender, e) =>
{
context.LeaveScope();
if (e.Block.Type == AstBlockType.DoWhile)
{
context.AppendLine($"while ({GetCondExpr(context, e.Block.Condition)});");
}
};
foreach (IAstNode node in visitor.Visit())
{
if (node is AstOperation operation)
{
string expr = InstGen.GetExpression(context, operation);
if (expr != null)
{
context.AppendLine(expr + ";");
}
}
else if (node is AstAssignment assignment)
{
VariableType srcType = OperandManager.GetNodeDestType(context, assignment.Source);
VariableType dstType = OperandManager.GetNodeDestType(context, assignment.Destination, isAsgDest: true);
string dest;
if (assignment.Destination is AstOperand operand && operand.Type.IsAttribute())
{
bool perPatch = operand.Type == OperandType.AttributePerPatch;
dest = OperandManager.GetOutAttributeName(operand.Value, context.Config, perPatch);
}
else
{
dest = InstGen.GetExpression(context, assignment.Destination);
}
string src = ReinterpretCast(context, assignment.Source, srcType, dstType);
context.AppendLine(dest + " = " + src + ";");
}
public static void Declare(CodeGenContext context, StructuredProgramInfo info)
{
context.AppendLine("#version 450 core");
context.AppendLine("#extension GL_ARB_gpu_shader_int64 : enable");
context.AppendLine("#extension GL_ARB_shader_ballot : enable");
context.AppendLine("#extension GL_ARB_shader_group_vote : enable");
context.AppendLine("#extension GL_EXT_shader_image_load_formatted : enable");
if (context.Config.Stage == ShaderStage.Compute)
{
context.AppendLine("#extension GL_ARB_compute_shader : enable");
}
if (context.Config.GpPassthrough)
{
context.AppendLine("#extension GL_NV_geometry_shader_passthrough : enable");
}
context.AppendLine("#pragma optionNV(fastmath off)");
context.AppendLine();
context.AppendLine($"const int {DefaultNames.UndefinedName} = 0;");
context.AppendLine();
if (context.Config.Stage == ShaderStage.Compute)
{
int localMemorySize = BitUtils.DivRoundUp(context.Config.GpuAccessor.QueryComputeLocalMemorySize(), 4);
if (localMemorySize != 0)
{
string localMemorySizeStr = NumberFormatter.FormatInt(localMemorySize);
context.AppendLine($"uint {DefaultNames.LocalMemoryName}[{localMemorySizeStr}];");
context.AppendLine();
}
int sharedMemorySize = BitUtils.DivRoundUp(context.Config.GpuAccessor.QueryComputeSharedMemorySize(), 4);
if (sharedMemorySize != 0)
{
string sharedMemorySizeStr = NumberFormatter.FormatInt(sharedMemorySize);
context.AppendLine($"shared uint {DefaultNames.SharedMemoryName}[{sharedMemorySizeStr}];");
context.AppendLine();
}
}
else if (context.Config.LocalMemorySize != 0)
{
int localMemorySize = BitUtils.DivRoundUp(context.Config.LocalMemorySize, 4);
string localMemorySizeStr = NumberFormatter.FormatInt(localMemorySize);
context.AppendLine($"uint {DefaultNames.LocalMemoryName}[{localMemorySizeStr}];");
context.AppendLine();
}
var cBufferDescriptors = context.Config.GetConstantBufferDescriptors();
if (cBufferDescriptors.Length != 0)
{
DeclareUniforms(context, cBufferDescriptors);
context.AppendLine();
}
var sBufferDescriptors = context.Config.GetStorageBufferDescriptors();
if (sBufferDescriptors.Length != 0)
{
DeclareStorages(context, sBufferDescriptors);
context.AppendLine();
}
var textureDescriptors = context.Config.GetTextureDescriptors();
if (textureDescriptors.Length != 0)
{
DeclareSamplers(context, textureDescriptors);
context.AppendLine();
}
var imageDescriptors = context.Config.GetImageDescriptors();
if (imageDescriptors.Length != 0)
{
DeclareImages(context, imageDescriptors);
context.AppendLine();
}
if (context.Config.Stage != ShaderStage.Compute)
{
if (context.Config.Stage == ShaderStage.Geometry)
{
string inPrimitive = context.Config.GpuAccessor.QueryPrimitiveTopology().ToGlslString();
context.AppendLine($"layout ({inPrimitive}) in;");
if (context.Config.GpPassthrough)
{
context.AppendLine($"layout (passthrough) in gl_PerVertex");
context.EnterScope();
context.AppendLine("vec4 gl_Position;");
context.AppendLine("float gl_PointSize;");
context.AppendLine("float gl_ClipDistance[];");
context.LeaveScope(";");
}
else
{
string outPrimitive = context.Config.OutputTopology.ToGlslString();
int maxOutputVertices = context.Config.MaxOutputVertices;
context.AppendLine($"layout ({outPrimitive}, max_vertices = {maxOutputVertices}) out;");
}
context.AppendLine();
}
if (info.IAttributes.Count != 0)
{
DeclareInputAttributes(context, info);
context.AppendLine();
}
if (info.OAttributes.Count != 0 || context.Config.Stage != ShaderStage.Fragment)
{
DeclareOutputAttributes(context, info);
context.AppendLine();
}
}
else
{
string localSizeX = NumberFormatter.FormatInt(context.Config.GpuAccessor.QueryComputeLocalSizeX());
string localSizeY = NumberFormatter.FormatInt(context.Config.GpuAccessor.QueryComputeLocalSizeY());
string localSizeZ = NumberFormatter.FormatInt(context.Config.GpuAccessor.QueryComputeLocalSizeZ());
context.AppendLine(
"layout (" +
$"local_size_x = {localSizeX}, " +
$"local_size_y = {localSizeY}, " +
$"local_size_z = {localSizeZ}) in;");
context.AppendLine();
}
if (context.Config.Stage == ShaderStage.Fragment || context.Config.Stage == ShaderStage.Compute)
{
if (context.Config.Stage == ShaderStage.Fragment)
{
if (context.Config.GpuAccessor.QueryEarlyZForce())
{
context.AppendLine("layout(early_fragment_tests) in;");
context.AppendLine();
}
context.AppendLine($"uniform bool {DefaultNames.IsBgraName}[8];");
context.AppendLine();
}
if (DeclareRenderScale(context))
{
context.AppendLine();
}
}
if ((info.HelperFunctionsMask & HelperFunctionsMask.AtomicMinMaxS32Shared) != 0)
{
AppendHelperFunction(context, "Ryujinx.Graphics.Shader/CodeGen/Glsl/HelperFunctions/AtomicMinMaxS32Shared.glsl");
}
if ((info.HelperFunctionsMask & HelperFunctionsMask.AtomicMinMaxS32Storage) != 0)
{
AppendHelperFunction(context, "Ryujinx.Graphics.Shader/CodeGen/Glsl/HelperFunctions/AtomicMinMaxS32Storage.glsl");
}
if ((info.HelperFunctionsMask & HelperFunctionsMask.MultiplyHighS32) != 0)
{
AppendHelperFunction(context, "Ryujinx.Graphics.Shader/CodeGen/Glsl/HelperFunctions/MultiplyHighS32.glsl");
}
if ((info.HelperFunctionsMask & HelperFunctionsMask.MultiplyHighU32) != 0)
{
AppendHelperFunction(context, "Ryujinx.Graphics.Shader/CodeGen/Glsl/HelperFunctions/MultiplyHighU32.glsl");
}
if ((info.HelperFunctionsMask & HelperFunctionsMask.Shuffle) != 0)
{
AppendHelperFunction(context, "Ryujinx.Graphics.Shader/CodeGen/Glsl/HelperFunctions/Shuffle.glsl");
}
if ((info.HelperFunctionsMask & HelperFunctionsMask.ShuffleDown) != 0)
{
AppendHelperFunction(context, "Ryujinx.Graphics.Shader/CodeGen/Glsl/HelperFunctions/ShuffleDown.glsl");
}
if ((info.HelperFunctionsMask & HelperFunctionsMask.ShuffleUp) != 0)
{
AppendHelperFunction(context, "Ryujinx.Graphics.Shader/CodeGen/Glsl/HelperFunctions/ShuffleUp.glsl");
}
if ((info.HelperFunctionsMask & HelperFunctionsMask.ShuffleXor) != 0)
{
AppendHelperFunction(context, "Ryujinx.Graphics.Shader/CodeGen/Glsl/HelperFunctions/ShuffleXor.glsl");
}
if ((info.HelperFunctionsMask & HelperFunctionsMask.SwizzleAdd) != 0)
{
AppendHelperFunction(context, "Ryujinx.Graphics.Shader/CodeGen/Glsl/HelperFunctions/SwizzleAdd.glsl");
}
}
public static void Declare(CodeGenContext context, StructuredProgramInfo info)
{
context.AppendLine(context.Config.Options.TargetApi == TargetApi.Vulkan ? "#version 460 core" : "#version 450 core");
context.AppendLine("#extension GL_ARB_gpu_shader_int64 : enable");
if (context.Config.GpuAccessor.QueryHostSupportsShaderBallot())
{
context.AppendLine("#extension GL_ARB_shader_ballot : enable");
}
else
{
context.AppendLine("#extension GL_KHR_shader_subgroup_basic : enable");
context.AppendLine("#extension GL_KHR_shader_subgroup_ballot : enable");
}
context.AppendLine("#extension GL_ARB_shader_group_vote : enable");
context.AppendLine("#extension GL_EXT_shader_image_load_formatted : enable");
context.AppendLine("#extension GL_EXT_texture_shadow_lod : enable");
if (context.Config.Stage == ShaderStage.Compute)
{
context.AppendLine("#extension GL_ARB_compute_shader : enable");
}
else if (context.Config.Stage == ShaderStage.Fragment)
{
if (context.Config.GpuAccessor.QueryHostSupportsFragmentShaderInterlock())
{
context.AppendLine("#extension GL_ARB_fragment_shader_interlock : enable");
}
else if (context.Config.GpuAccessor.QueryHostSupportsFragmentShaderOrderingIntel())
{
context.AppendLine("#extension GL_INTEL_fragment_shader_ordering : enable");
}
}
else
{
context.AppendLine("#extension GL_ARB_shader_viewport_layer_array : enable");
}
if (context.Config.GpPassthrough && context.Config.GpuAccessor.QueryHostSupportsGeometryShaderPassthrough())
{
context.AppendLine("#extension GL_NV_geometry_shader_passthrough : enable");
}
context.AppendLine("#pragma optionNV(fastmath off)");
context.AppendLine();
context.AppendLine($"const int {DefaultNames.UndefinedName} = 0;");
context.AppendLine();
if (context.Config.Stage == ShaderStage.Compute)
{
int localMemorySize = BitUtils.DivRoundUp(context.Config.GpuAccessor.QueryComputeLocalMemorySize(), 4);
if (localMemorySize != 0)
{
string localMemorySizeStr = NumberFormatter.FormatInt(localMemorySize);
context.AppendLine($"uint {DefaultNames.LocalMemoryName}[{localMemorySizeStr}];");
context.AppendLine();
}
int sharedMemorySize = BitUtils.DivRoundUp(context.Config.GpuAccessor.QueryComputeSharedMemorySize(), 4);
if (sharedMemorySize != 0)
{
string sharedMemorySizeStr = NumberFormatter.FormatInt(sharedMemorySize);
context.AppendLine($"shared uint {DefaultNames.SharedMemoryName}[{sharedMemorySizeStr}];");
context.AppendLine();
}
}
else if (context.Config.LocalMemorySize != 0)
{
int localMemorySize = BitUtils.DivRoundUp(context.Config.LocalMemorySize, 4);
string localMemorySizeStr = NumberFormatter.FormatInt(localMemorySize);
context.AppendLine($"uint {DefaultNames.LocalMemoryName}[{localMemorySizeStr}];");
context.AppendLine();
}
var cBufferDescriptors = context.Config.GetConstantBufferDescriptors();
if (cBufferDescriptors.Length != 0)
{
DeclareUniforms(context, cBufferDescriptors);
context.AppendLine();
}
var sBufferDescriptors = context.Config.GetStorageBufferDescriptors();
if (sBufferDescriptors.Length != 0)
{
DeclareStorages(context, sBufferDescriptors);
context.AppendLine();
}
var textureDescriptors = context.Config.GetTextureDescriptors();
if (textureDescriptors.Length != 0)
{
DeclareSamplers(context, textureDescriptors);
context.AppendLine();
}
var imageDescriptors = context.Config.GetImageDescriptors();
if (imageDescriptors.Length != 0)
{
DeclareImages(context, imageDescriptors);
context.AppendLine();
}
if (context.Config.Stage != ShaderStage.Compute)
{
if (context.Config.Stage == ShaderStage.Geometry)
{
InputTopology inputTopology = context.Config.GpuAccessor.QueryPrimitiveTopology();
string inPrimitive = inputTopology.ToGlslString();
context.AppendLine($"layout (invocations = {context.Config.ThreadsPerInputPrimitive}, {inPrimitive}) in;");
if (context.Config.GpPassthrough && context.Config.GpuAccessor.QueryHostSupportsGeometryShaderPassthrough())
{
context.AppendLine($"layout (passthrough) in gl_PerVertex");
context.EnterScope();
context.AppendLine("vec4 gl_Position;");
context.AppendLine("float gl_PointSize;");
context.AppendLine("float gl_ClipDistance[];");
context.LeaveScope(";");
}
else
{
string outPrimitive = context.Config.OutputTopology.ToGlslString();
int maxOutputVertices = context.Config.GpPassthrough
? inputTopology.ToInputVertices()
: context.Config.MaxOutputVertices;
context.AppendLine($"layout ({outPrimitive}, max_vertices = {maxOutputVertices}) out;");
}
context.AppendLine();
}
else if (context.Config.Stage == ShaderStage.TessellationControl)
{
int threadsPerInputPrimitive = context.Config.ThreadsPerInputPrimitive;
context.AppendLine($"layout (vertices = {threadsPerInputPrimitive}) out;");
context.AppendLine();
}
else if (context.Config.Stage == ShaderStage.TessellationEvaluation)
{
string patchType = context.Config.GpuAccessor.QueryTessPatchType().ToGlsl();
string spacing = context.Config.GpuAccessor.QueryTessSpacing().ToGlsl();
string windingOrder = context.Config.GpuAccessor.QueryTessCw() ? "cw" : "ccw";
context.AppendLine($"layout ({patchType}, {spacing}, {windingOrder}) in;");
context.AppendLine();
}
if (context.Config.UsedInputAttributes != 0 || context.Config.GpPassthrough)
{
DeclareInputAttributes(context, info);
context.AppendLine();
}
if (context.Config.UsedOutputAttributes != 0 || context.Config.Stage != ShaderStage.Fragment)
{
DeclareOutputAttributes(context, info);
context.AppendLine();
}
if (context.Config.UsedInputAttributesPerPatch != 0)
{
DeclareInputAttributesPerPatch(context, context.Config.UsedInputAttributesPerPatch);
context.AppendLine();
}
if (context.Config.UsedOutputAttributesPerPatch != 0)
{
DeclareUsedOutputAttributesPerPatch(context, context.Config.UsedOutputAttributesPerPatch);
context.AppendLine();
}
if (context.Config.TransformFeedbackEnabled && context.Config.LastInVertexPipeline)
{
var tfOutput = context.GetTransformFeedbackOutput(AttributeConsts.PositionX);
if (tfOutput.Valid)
{
context.AppendLine($"layout (xfb_buffer = {tfOutput.Buffer}, xfb_offset = {tfOutput.Offset}, xfb_stride = {tfOutput.Stride}) out gl_PerVertex");
context.EnterScope();
context.AppendLine("vec4 gl_Position;");
context.LeaveScope(context.Config.Stage == ShaderStage.TessellationControl ? " gl_out[];" : ";");
}
}
}
else
{
string localSizeX = NumberFormatter.FormatInt(context.Config.GpuAccessor.QueryComputeLocalSizeX());
string localSizeY = NumberFormatter.FormatInt(context.Config.GpuAccessor.QueryComputeLocalSizeY());
string localSizeZ = NumberFormatter.FormatInt(context.Config.GpuAccessor.QueryComputeLocalSizeZ());
context.AppendLine(
"layout (" +
$"local_size_x = {localSizeX}, " +
$"local_size_y = {localSizeY}, " +
$"local_size_z = {localSizeZ}) in;");
context.AppendLine();
}
bool isFragment = context.Config.Stage == ShaderStage.Fragment;
if (isFragment || context.Config.Stage == ShaderStage.Compute || context.Config.Stage == ShaderStage.Vertex)
{
if (isFragment && context.Config.GpuAccessor.QueryEarlyZForce())
{
context.AppendLine("layout(early_fragment_tests) in;");
context.AppendLine();
}
if ((context.Config.UsedFeatures & (FeatureFlags.FragCoordXY | FeatureFlags.IntegerSampling)) != 0)
{
string stage = OperandManager.GetShaderStagePrefix(context.Config.Stage);
int scaleElements = context.Config.GetTextureDescriptors().Length + context.Config.GetImageDescriptors().Length;
if (isFragment)
{
scaleElements++; // Also includes render target scale, for gl_FragCoord.
}
DeclareSupportUniformBlock(context, context.Config.Stage, scaleElements);
if (context.Config.UsedFeatures.HasFlag(FeatureFlags.IntegerSampling))
{
AppendHelperFunction(context, $"Ryujinx.Graphics.Shader/CodeGen/Glsl/HelperFunctions/TexelFetchScale_{stage}.glsl");
context.AppendLine();
}
}
else if (isFragment || context.Config.Stage == ShaderStage.Vertex)
{
DeclareSupportUniformBlock(context, context.Config.Stage, 0);
}
}
if ((info.HelperFunctionsMask & HelperFunctionsMask.AtomicMinMaxS32Shared) != 0)
{
AppendHelperFunction(context, "Ryujinx.Graphics.Shader/CodeGen/Glsl/HelperFunctions/AtomicMinMaxS32Shared.glsl");
}
if ((info.HelperFunctionsMask & HelperFunctionsMask.AtomicMinMaxS32Storage) != 0)
{
AppendHelperFunction(context, "Ryujinx.Graphics.Shader/CodeGen/Glsl/HelperFunctions/AtomicMinMaxS32Storage.glsl");
}
if ((info.HelperFunctionsMask & HelperFunctionsMask.MultiplyHighS32) != 0)
{
AppendHelperFunction(context, "Ryujinx.Graphics.Shader/CodeGen/Glsl/HelperFunctions/MultiplyHighS32.glsl");
}
if ((info.HelperFunctionsMask & HelperFunctionsMask.MultiplyHighU32) != 0)
{
AppendHelperFunction(context, "Ryujinx.Graphics.Shader/CodeGen/Glsl/HelperFunctions/MultiplyHighU32.glsl");
}
if ((info.HelperFunctionsMask & HelperFunctionsMask.Shuffle) != 0)
{
AppendHelperFunction(context, "Ryujinx.Graphics.Shader/CodeGen/Glsl/HelperFunctions/Shuffle.glsl");
}
if ((info.HelperFunctionsMask & HelperFunctionsMask.ShuffleDown) != 0)
{
AppendHelperFunction(context, "Ryujinx.Graphics.Shader/CodeGen/Glsl/HelperFunctions/ShuffleDown.glsl");
}
if ((info.HelperFunctionsMask & HelperFunctionsMask.ShuffleUp) != 0)
{
AppendHelperFunction(context, "Ryujinx.Graphics.Shader/CodeGen/Glsl/HelperFunctions/ShuffleUp.glsl");
}
if ((info.HelperFunctionsMask & HelperFunctionsMask.ShuffleXor) != 0)
{
AppendHelperFunction(context, "Ryujinx.Graphics.Shader/CodeGen/Glsl/HelperFunctions/ShuffleXor.glsl");
}
if ((info.HelperFunctionsMask & HelperFunctionsMask.StoreSharedSmallInt) != 0)
{
AppendHelperFunction(context, "Ryujinx.Graphics.Shader/CodeGen/Glsl/HelperFunctions/StoreSharedSmallInt.glsl");
}
if ((info.HelperFunctionsMask & HelperFunctionsMask.StoreStorageSmallInt) != 0)
{
AppendHelperFunction(context, "Ryujinx.Graphics.Shader/CodeGen/Glsl/HelperFunctions/StoreStorageSmallInt.glsl");
}
if ((info.HelperFunctionsMask & HelperFunctionsMask.SwizzleAdd) != 0)
{
AppendHelperFunction(context, "Ryujinx.Graphics.Shader/CodeGen/Glsl/HelperFunctions/SwizzleAdd.glsl");
}
}
private static void DeclareOutputAttributePerPatch(CodeGenContext context, int attr)
{
string name = $"{DefaultNames.PerPatchAttributePrefix}{attr}";
context.AppendLine($"patch out vec4 {name};");
}
public static void Declare(CodeGenContext context, StructuredProgramInfo info)
{
context.AppendLine("#version 450 core");
context.AppendLine("#extension GL_ARB_gpu_shader_int64 : enable");
context.AppendLine("#extension GL_ARB_shader_ballot : enable");
context.AppendLine("#extension GL_ARB_shader_group_vote : enable");
context.AppendLine("#extension GL_EXT_shader_image_load_formatted : enable");
context.AppendLine("#extension GL_EXT_texture_shadow_lod : enable");
if (context.Config.Stage == ShaderStage.Compute)
{
context.AppendLine("#extension GL_ARB_compute_shader : enable");
}
if (context.Config.GpPassthrough)
{
context.AppendLine("#extension GL_NV_geometry_shader_passthrough : enable");
}
context.AppendLine("#pragma optionNV(fastmath off)");
context.AppendLine();
context.AppendLine($"const int {DefaultNames.UndefinedName} = 0;");
context.AppendLine();
if (context.Config.Stage == ShaderStage.Compute)
{
int localMemorySize = BitUtils.DivRoundUp(context.Config.GpuAccessor.QueryComputeLocalMemorySize(), 4);
if (localMemorySize != 0)
{
string localMemorySizeStr = NumberFormatter.FormatInt(localMemorySize);
context.AppendLine($"uint {DefaultNames.LocalMemoryName}[{localMemorySizeStr}];");
context.AppendLine();
}
int sharedMemorySize = BitUtils.DivRoundUp(context.Config.GpuAccessor.QueryComputeSharedMemorySize(), 4);
if (sharedMemorySize != 0)
{
string sharedMemorySizeStr = NumberFormatter.FormatInt(sharedMemorySize);
context.AppendLine($"shared uint {DefaultNames.SharedMemoryName}[{sharedMemorySizeStr}];");
context.AppendLine();
}
}
else if (context.Config.LocalMemorySize != 0)
{
int localMemorySize = BitUtils.DivRoundUp(context.Config.LocalMemorySize, 4);
string localMemorySizeStr = NumberFormatter.FormatInt(localMemorySize);
context.AppendLine($"uint {DefaultNames.LocalMemoryName}[{localMemorySizeStr}];");
context.AppendLine();
}
var cBufferDescriptors = context.Config.GetConstantBufferDescriptors();
if (cBufferDescriptors.Length != 0)
{
DeclareUniforms(context, cBufferDescriptors);
context.AppendLine();
}
var sBufferDescriptors = context.Config.GetStorageBufferDescriptors();
if (sBufferDescriptors.Length != 0)
{
DeclareStorages(context, sBufferDescriptors);
context.AppendLine();
}
var textureDescriptors = context.Config.GetTextureDescriptors();
if (textureDescriptors.Length != 0)
{
DeclareSamplers(context, textureDescriptors);
context.AppendLine();
}
var imageDescriptors = context.Config.GetImageDescriptors();
if (imageDescriptors.Length != 0)
{
DeclareImages(context, imageDescriptors);
context.AppendLine();
}
if (context.Config.Stage != ShaderStage.Compute)
{
if (context.Config.Stage == ShaderStage.Geometry)
{
string inPrimitive = context.Config.GpuAccessor.QueryPrimitiveTopology().ToGlslString();
context.AppendLine($"layout ({inPrimitive}) in;");
if (context.Config.GpPassthrough)
{
context.AppendLine($"layout (passthrough) in gl_PerVertex");
context.EnterScope();
context.AppendLine("vec4 gl_Position;");
context.AppendLine("float gl_PointSize;");
context.AppendLine("float gl_ClipDistance[];");
context.LeaveScope(";");
}
else
{
string outPrimitive = context.Config.OutputTopology.ToGlslString();
int maxOutputVertices = context.Config.MaxOutputVertices;
context.AppendLine($"layout ({outPrimitive}, max_vertices = {maxOutputVertices}) out;");
}
context.AppendLine();
}
if (info.IAttributes.Count != 0 || context.Config.GpPassthrough)
{
DeclareInputAttributes(context, info);
context.AppendLine();
}
if (info.OAttributes.Count != 0 || context.Config.Stage != ShaderStage.Fragment)
{
DeclareOutputAttributes(context, info);
context.AppendLine();
}
if (context.Config.Stage != ShaderStage.Compute &&
context.Config.Stage != ShaderStage.Fragment &&
(context.Config.Options.Flags & TranslationFlags.Feedback) != 0)
{
var tfOutput = context.GetTransformFeedbackOutput(AttributeConsts.PositionX);
if (tfOutput.Valid)
{
context.AppendLine($"layout (xfb_buffer = {tfOutput.Buffer}, xfb_offset = {tfOutput.Offset}, xfb_stride = {tfOutput.Stride}) out gl_PerVertex");
context.EnterScope();
context.AppendLine("vec4 gl_Position;");
context.LeaveScope(";");
}
}
}
else
{
string localSizeX = NumberFormatter.FormatInt(context.Config.GpuAccessor.QueryComputeLocalSizeX());
string localSizeY = NumberFormatter.FormatInt(context.Config.GpuAccessor.QueryComputeLocalSizeY());
string localSizeZ = NumberFormatter.FormatInt(context.Config.GpuAccessor.QueryComputeLocalSizeZ());
context.AppendLine(
"layout (" +
$"local_size_x = {localSizeX}, " +
$"local_size_y = {localSizeY}, " +
$"local_size_z = {localSizeZ}) in;");
context.AppendLine();
}
bool isFragment = context.Config.Stage == ShaderStage.Fragment;
if (isFragment || context.Config.Stage == ShaderStage.Compute)
{
if (isFragment && context.Config.GpuAccessor.QueryEarlyZForce())
{
context.AppendLine("layout(early_fragment_tests) in;");
context.AppendLine();
}
if ((context.Config.UsedFeatures & (FeatureFlags.FragCoordXY | FeatureFlags.IntegerSampling)) != 0)
{
string stage = OperandManager.GetShaderStagePrefix(context.Config.Stage);
int scaleElements = context.Config.GetTextureDescriptors().Length + context.Config.GetImageDescriptors().Length;
if (isFragment)
{
scaleElements++; // Also includes render target scale, for gl_FragCoord.
}
DeclareSupportUniformBlock(context, isFragment, scaleElements);
if (context.Config.UsedFeatures.HasFlag(FeatureFlags.IntegerSampling))
{
AppendHelperFunction(context, $"Ryujinx.Graphics.Shader/CodeGen/Glsl/HelperFunctions/TexelFetchScale_{stage}.glsl");
context.AppendLine();
}
}
else if (isFragment)
{
DeclareSupportUniformBlock(context, true, 0);
}
}
if ((info.HelperFunctionsMask & HelperFunctionsMask.AtomicMinMaxS32Shared) != 0)
{
AppendHelperFunction(context, "Ryujinx.Graphics.Shader/CodeGen/Glsl/HelperFunctions/AtomicMinMaxS32Shared.glsl");
}
if ((info.HelperFunctionsMask & HelperFunctionsMask.AtomicMinMaxS32Storage) != 0)
{
AppendHelperFunction(context, "Ryujinx.Graphics.Shader/CodeGen/Glsl/HelperFunctions/AtomicMinMaxS32Storage.glsl");
}
if ((info.HelperFunctionsMask & HelperFunctionsMask.MultiplyHighS32) != 0)
{
AppendHelperFunction(context, "Ryujinx.Graphics.Shader/CodeGen/Glsl/HelperFunctions/MultiplyHighS32.glsl");
}
if ((info.HelperFunctionsMask & HelperFunctionsMask.MultiplyHighU32) != 0)
{
AppendHelperFunction(context, "Ryujinx.Graphics.Shader/CodeGen/Glsl/HelperFunctions/MultiplyHighU32.glsl");
}
if ((info.HelperFunctionsMask & HelperFunctionsMask.Shuffle) != 0)
{
AppendHelperFunction(context, "Ryujinx.Graphics.Shader/CodeGen/Glsl/HelperFunctions/Shuffle.glsl");
}
if ((info.HelperFunctionsMask & HelperFunctionsMask.ShuffleDown) != 0)
{
AppendHelperFunction(context, "Ryujinx.Graphics.Shader/CodeGen/Glsl/HelperFunctions/ShuffleDown.glsl");
}
if ((info.HelperFunctionsMask & HelperFunctionsMask.ShuffleUp) != 0)
{
AppendHelperFunction(context, "Ryujinx.Graphics.Shader/CodeGen/Glsl/HelperFunctions/ShuffleUp.glsl");
}
if ((info.HelperFunctionsMask & HelperFunctionsMask.ShuffleXor) != 0)
{
AppendHelperFunction(context, "Ryujinx.Graphics.Shader/CodeGen/Glsl/HelperFunctions/ShuffleXor.glsl");
}
if ((info.HelperFunctionsMask & HelperFunctionsMask.SwizzleAdd) != 0)
{
AppendHelperFunction(context, "Ryujinx.Graphics.Shader/CodeGen/Glsl/HelperFunctions/SwizzleAdd.glsl");
}
}