private static void DeclareOutputAttribute(CodeGenContext context, int attr) { string name = $"{DefaultNames.OAttributePrefix}{attr}"; if (context.Config.Options.Flags.HasFlag(TranslationFlags.Feedback)) { for (int c = 0; c < 4; c++) { char swzMask = "xyzw"[c]; string xfb = string.Empty; var tfOutput = context.GetTransformFeedbackOutput(attr, c); if (tfOutput.Valid) { xfb = $", xfb_buffer = {tfOutput.Buffer}, xfb_offset = {tfOutput.Offset}, xfb_stride = {tfOutput.Stride}"; } context.AppendLine($"layout (location = {attr}, component = {c}{xfb}) out float {name}_{swzMask};"); } } else { context.AppendLine($"layout (location = {attr}) out vec4 {name};"); } }
private static void DeclareOutputAttribute(CodeGenContext context, int attr) { string suffix = AttributeInfo.IsArrayAttributeGlsl(context.Config.Stage, isOutAttr: true) ? "[]" : string.Empty; string name = $"{DefaultNames.OAttributePrefix}{attr}{suffix}"; if (context.Config.TransformFeedbackEnabled && context.Config.LastInVertexPipeline) { for (int c = 0; c < 4; c++) { char swzMask = "xyzw"[c]; string xfb = string.Empty; var tfOutput = context.GetTransformFeedbackOutput(attr, c); if (tfOutput.Valid) { xfb = $", xfb_buffer = {tfOutput.Buffer}, xfb_offset = {tfOutput.Offset}, xfb_stride = {tfOutput.Stride}"; } context.AppendLine($"layout (location = {attr}, component = {c}{xfb}) out float {name}_{swzMask};"); } } else { context.AppendLine($"layout (location = {attr}) out vec4 {name};"); } }
public static void Declare(CodeGenContext context, StructuredProgramInfo info) { context.AppendLine(context.Config.Options.TargetApi == TargetApi.Vulkan ? "#version 460 core" : "#version 450 core"); context.AppendLine("#extension GL_ARB_gpu_shader_int64 : enable"); context.AppendLine("#extension GL_ARB_shader_ballot : enable"); context.AppendLine("#extension GL_ARB_shader_group_vote : enable"); context.AppendLine("#extension GL_EXT_shader_image_load_formatted : enable"); context.AppendLine("#extension GL_EXT_texture_shadow_lod : enable"); if (context.Config.Stage == ShaderStage.Compute) { context.AppendLine("#extension GL_ARB_compute_shader : enable"); } if (context.Config.GpPassthrough) { context.AppendLine("#extension GL_NV_geometry_shader_passthrough : enable"); } context.AppendLine("#pragma optionNV(fastmath off)"); context.AppendLine(); context.AppendLine($"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 (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.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"); } }