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InoriRus
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// Copyright (c) 2018 The Khronos Group Inc.
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// Copyright (c) 2018 Valve Corporation
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// Copyright (c) 2018 LunarG Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#ifndef INCLUDE_SPIRV_TOOLS_INSTRUMENT_HPP_
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#define INCLUDE_SPIRV_TOOLS_INSTRUMENT_HPP_
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// Shader Instrumentation Interface
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//
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// This file provides an external interface for applications that wish to
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// communicate with shaders instrumented by passes created by:
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//
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// CreateInstBindlessCheckPass
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// CreateInstBuffAddrCheckPass
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// CreateInstDebugPrintfPass
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//
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// More detailed documentation of these routines can be found in optimizer.hpp
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namespace spvtools {
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// Stream Output Buffer Offsets
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//
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// The following values provide offsets into the output buffer struct
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// generated by InstrumentPass::GenDebugStreamWrite. This method is utilized
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// by InstBindlessCheckPass, InstBuffAddrCheckPass, and InstDebugPrintfPass.
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//
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// The first member of the debug output buffer contains the next available word
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// in the data stream to be written. Shaders will atomically read and update
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// this value so as not to overwrite each others records. This value must be
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// initialized to zero
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static const int kDebugOutputSizeOffset = 0;
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// The second member of the output buffer is the start of the stream of records
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// written by the instrumented shaders. Each record represents a validation
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// error. The format of the records is documented below.
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static const int kDebugOutputDataOffset = 1;
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// Common Stream Record Offsets
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//
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// The following are offsets to fields which are common to all records written
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// to the output stream.
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//
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// Each record first contains the size of the record in 32-bit words, including
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// the size word.
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static const int kInstCommonOutSize = 0;
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// This is the shader id passed by the layer when the instrumentation pass is
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// created.
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static const int kInstCommonOutShaderId = 1;
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// This is the ordinal position of the instruction within the SPIR-V shader
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// which generated the validation error.
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static const int kInstCommonOutInstructionIdx = 2;
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// This is the stage which generated the validation error. This word is used
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// to determine the contents of the next two words in the record.
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// 0:Vert, 1:TessCtrl, 2:TessEval, 3:Geom, 4:Frag, 5:Compute
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static const int kInstCommonOutStageIdx = 3;
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static const int kInstCommonOutCnt = 4;
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// Stage-specific Stream Record Offsets
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//
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// Each stage will contain different values in the next set of words of the
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// record used to identify which instantiation of the shader generated the
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// validation error.
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//
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// Vertex Shader Output Record Offsets
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static const int kInstVertOutVertexIndex = kInstCommonOutCnt;
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static const int kInstVertOutInstanceIndex = kInstCommonOutCnt + 1;
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static const int kInstVertOutUnused = kInstCommonOutCnt + 2;
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// Frag Shader Output Record Offsets
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static const int kInstFragOutFragCoordX = kInstCommonOutCnt;
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static const int kInstFragOutFragCoordY = kInstCommonOutCnt + 1;
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static const int kInstFragOutUnused = kInstCommonOutCnt + 2;
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// Compute Shader Output Record Offsets
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static const int kInstCompOutGlobalInvocationIdX = kInstCommonOutCnt;
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static const int kInstCompOutGlobalInvocationIdY = kInstCommonOutCnt + 1;
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static const int kInstCompOutGlobalInvocationIdZ = kInstCommonOutCnt + 2;
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// Tessellation Control Shader Output Record Offsets
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static const int kInstTessCtlOutInvocationId = kInstCommonOutCnt;
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static const int kInstTessCtlOutPrimitiveId = kInstCommonOutCnt + 1;
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static const int kInstTessCtlOutUnused = kInstCommonOutCnt + 2;
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// Tessellation Eval Shader Output Record Offsets
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static const int kInstTessEvalOutPrimitiveId = kInstCommonOutCnt;
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static const int kInstTessEvalOutTessCoordU = kInstCommonOutCnt + 1;
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static const int kInstTessEvalOutTessCoordV = kInstCommonOutCnt + 2;
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// Geometry Shader Output Record Offsets
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static const int kInstGeomOutPrimitiveId = kInstCommonOutCnt;
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static const int kInstGeomOutInvocationId = kInstCommonOutCnt + 1;
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static const int kInstGeomOutUnused = kInstCommonOutCnt + 2;
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// Ray Tracing Shader Output Record Offsets
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static const int kInstRayTracingOutLaunchIdX = kInstCommonOutCnt;
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static const int kInstRayTracingOutLaunchIdY = kInstCommonOutCnt + 1;
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static const int kInstRayTracingOutLaunchIdZ = kInstCommonOutCnt + 2;
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// Mesh Shader Output Record Offsets
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static const int kInstMeshOutGlobalInvocationIdX = kInstCommonOutCnt;
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static const int kInstMeshOutGlobalInvocationIdY = kInstCommonOutCnt + 1;
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static const int kInstMeshOutGlobalInvocationIdZ = kInstCommonOutCnt + 2;
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// Task Shader Output Record Offsets
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static const int kInstTaskOutGlobalInvocationIdX = kInstCommonOutCnt;
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static const int kInstTaskOutGlobalInvocationIdY = kInstCommonOutCnt + 1;
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static const int kInstTaskOutGlobalInvocationIdZ = kInstCommonOutCnt + 2;
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// Size of Common and Stage-specific Members
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static const int kInstStageOutCnt = kInstCommonOutCnt + 3;
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// Validation Error Code Offset
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//
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// This identifies the validation error. It also helps to identify
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// how many words follow in the record and their meaning.
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static const int kInstValidationOutError = kInstStageOutCnt;
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// Validation-specific Output Record Offsets
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//
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// Each different validation will generate a potentially different
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// number of words at the end of the record giving more specifics
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// about the validation error.
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//
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// A bindless bounds error will output the index and the bound.
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static const int kInstBindlessBoundsOutDescIndex = kInstStageOutCnt + 1;
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static const int kInstBindlessBoundsOutDescBound = kInstStageOutCnt + 2;
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static const int kInstBindlessBoundsOutUnused = kInstStageOutCnt + 3;
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static const int kInstBindlessBoundsOutCnt = kInstStageOutCnt + 4;
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// A descriptor uninitialized error will output the index.
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static const int kInstBindlessUninitOutDescIndex = kInstStageOutCnt + 1;
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static const int kInstBindlessUninitOutUnused = kInstStageOutCnt + 2;
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static const int kInstBindlessUninitOutUnused2 = kInstStageOutCnt + 3;
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static const int kInstBindlessUninitOutCnt = kInstStageOutCnt + 4;
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// A buffer out-of-bounds error will output the descriptor
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// index, the buffer offset and the buffer size
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static const int kInstBindlessBuffOOBOutDescIndex = kInstStageOutCnt + 1;
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static const int kInstBindlessBuffOOBOutBuffOff = kInstStageOutCnt + 2;
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static const int kInstBindlessBuffOOBOutBuffSize = kInstStageOutCnt + 3;
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static const int kInstBindlessBuffOOBOutCnt = kInstStageOutCnt + 4;
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// A buffer address unalloc error will output the 64-bit pointer in
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// two 32-bit pieces, lower bits first.
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static const int kInstBuffAddrUnallocOutDescPtrLo = kInstStageOutCnt + 1;
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static const int kInstBuffAddrUnallocOutDescPtrHi = kInstStageOutCnt + 2;
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static const int kInstBuffAddrUnallocOutCnt = kInstStageOutCnt + 3;
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// Maximum Output Record Member Count
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static const int kInstMaxOutCnt = kInstStageOutCnt + 4;
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// Validation Error Codes
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//
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// These are the possible validation error codes.
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static const int kInstErrorBindlessBounds = 0;
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static const int kInstErrorBindlessUninit = 1;
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static const int kInstErrorBuffAddrUnallocRef = 2;
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// Deleted: static const int kInstErrorBindlessBuffOOB = 3;
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// This comment will will remain for 2 releases to allow
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// for the transition of all builds. Buffer OOB is
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// generating the following four differentiated codes instead:
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static const int kInstErrorBuffOOBUniform = 4;
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static const int kInstErrorBuffOOBStorage = 5;
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static const int kInstErrorBuffOOBUniformTexel = 6;
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static const int kInstErrorBuffOOBStorageTexel = 7;
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static const int kInstErrorMax = kInstErrorBuffOOBStorageTexel;
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// Direct Input Buffer Offsets
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//
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// The following values provide member offsets into the input buffers
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// consumed by InstrumentPass::GenDebugDirectRead(). This method is utilized
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// by InstBindlessCheckPass.
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//
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// The only object in an input buffer is a runtime array of unsigned
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// integers. Each validation will have its own formatting of this array.
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static const int kDebugInputDataOffset = 0;
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// Debug Buffer Bindings
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//
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// These are the bindings for the different buffers which are
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// read or written by the instrumentation passes.
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//
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// This is the output buffer written by InstBindlessCheckPass,
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// InstBuffAddrCheckPass, and possibly other future validations.
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static const int kDebugOutputBindingStream = 0;
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// The binding for the input buffer read by InstBindlessCheckPass.
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static const int kDebugInputBindingBindless = 1;
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// The binding for the input buffer read by InstBuffAddrCheckPass.
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static const int kDebugInputBindingBuffAddr = 2;
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// This is the output buffer written by InstDebugPrintfPass.
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static const int kDebugOutputPrintfStream = 3;
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// Bindless Validation Input Buffer Format
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//
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// An input buffer for bindless validation consists of a single array of
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// unsigned integers we will call Data[]. This array is formatted as follows.
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//
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// At offset kDebugInputBindlessInitOffset in Data[] is a single uint which
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// gives an offset to the start of the bindless initialization data. More
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// specifically, if the following value is zero, we know that the descriptor at
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// (set = s, binding = b, index = i) is not initialized; if the value is
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// non-zero, and the descriptor points to a buffer, the value is the length of
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// the buffer in bytes and can be used to check for out-of-bounds buffer
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// references:
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// Data[ i + Data[ b + Data[ s + Data[ kDebugInputBindlessInitOffset ] ] ] ]
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static const int kDebugInputBindlessInitOffset = 0;
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// At offset kDebugInputBindlessOffsetLengths is some number of uints which
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// provide the bindless length data. More specifically, the number of
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// descriptors at (set=s, binding=b) is:
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// Data[ Data[ s + kDebugInputBindlessOffsetLengths ] + b ]
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static const int kDebugInputBindlessOffsetLengths = 1;
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// Buffer Device Address Input Buffer Format
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//
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// An input buffer for buffer device address validation consists of a single
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// array of unsigned 64-bit integers we will call Data[]. This array is
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// formatted as follows:
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//
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// At offset kDebugInputBuffAddrPtrOffset is a list of sorted valid buffer
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// addresses. The list is terminated with the address 0xffffffffffffffff.
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// If 0x0 is not a valid buffer address, this address is inserted at the
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// start of the list.
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//
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static const int kDebugInputBuffAddrPtrOffset = 1;
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//
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// At offset kDebugInputBuffAddrLengthOffset in Data[] is a single uint64 which
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// gives an offset to the start of the buffer length data. More
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// specifically, for a buffer whose pointer is located at input buffer offset
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// i, the length is located at:
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//
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// Data[ i - kDebugInputBuffAddrPtrOffset
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// + Data[ kDebugInputBuffAddrLengthOffset ] ]
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//
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// The length associated with the 0xffffffffffffffff address is zero. If
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// not a valid buffer, the length associated with the 0x0 address is zero.
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static const int kDebugInputBuffAddrLengthOffset = 0;
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} // namespace spvtools
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#endif // INCLUDE_SPIRV_TOOLS_INSTRUMENT_HPP_
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