1
2///////////////////////////////////////////////////////////////////////////////
3//                                                                           //
4// dxcapi.h                                                                  //
5// Copyright (C) Microsoft Corporation. All rights reserved.                 //
6// This file is distributed under the University of Illinois Open Source     //
7// License. See LICENSE.TXT for details.                                     //
8//                                                                           //
9// Provides declarations for the DirectX Compiler API entry point.           //
10//                                                                           //
11///////////////////////////////////////////////////////////////////////////////
12
13#ifndef __DXC_API__
14#define __DXC_API__
15
16#ifdef _WIN32
17#ifndef DXC_API_IMPORT
18#define DXC_API_IMPORT __declspec(dllimport)
19#endif
20#else
21#ifndef DXC_API_IMPORT
22#define DXC_API_IMPORT __attribute__ ((visibility ("default")))
23#endif
24#endif
25
26#include <stdint.h>
27#ifndef CROSS_PLATFORM_UUIDOF
28// Warning: This macro exists in WinAdapter.h as well
29#if defined(_MSC_VER)
30#define CROSS_PLATFORM_UUIDOF(iface, spec)                                 \
31   struct __declspec(uuid(spec)) iface;
32#else /* defined(_MSC_VER) */
33#if defined(__MINGW32__)
34#include <guiddef.h>
35#include <sal.h>
36#ifndef _Maybenull_
37#define _Maybenull_
38#endif
39#ifndef _In_count_
40#define _In_count_(x)
41#endif
42#ifndef _In_opt_count_
43#define _In_opt_count_(x)
44#endif
45#ifndef _In_bytecount_
46#define _In_bytecount_(x)
47#endif
48#endif /*  defined(__MINGW32__) */
49#ifndef __CRT_UUID_DECL
50#define __CRT_UUID_DECL(type, l, w1, w2, b1, b2, b3, b4, b5, b6, b7, b8) \
51   extern "C++"                                                          \
52   {                                                                     \
53      template <>                                                        \
54      struct __mesa_emulated_uuidof_s<type>                              \
55      {                                                                  \
56         static constexpr IID __uuid_inst = {                            \
57             l, w1, w2, {b1, b2, b3, b4, b5, b6, b7, b8}};               \
58      };                                                                 \
59      template <>                                                        \
60      constexpr const GUID &__mesa_emulated_uuidof<type>()               \
61      {                                                                  \
62         return __mesa_emulated_uuidof_s<type>::__uuid_inst;             \
63      }                                                                  \
64      template <>                                                        \
65      constexpr const GUID &__mesa_emulated_uuidof<type *>()             \
66      {                                                                  \
67         return __mesa_emulated_uuidof_s<type>::__uuid_inst;             \
68      }                                                                  \
69   }
70#define __uuidof(T) __mesa_emulated_uuidof<typename std::decay<T>::type>()
71#endif /*__CRT_UUID_DECL */
72constexpr uint8_t nybble_from_hex(char c) {
73   return ((c >= '0' && c <= '9')
74               ? (c - '0')
75               : ((c >= 'a' && c <= 'f')
76                  ? (c - 'a' + 10)
77                  : ((c >= 'A' && c <= 'F') ? (c - 'A' + 10)
78                     : /* Should be an error */ -1)));
79}
80
81constexpr uint8_t byte_from_hex(char c1, char c2) {
82   return nybble_from_hex(c1) << 4 | nybble_from_hex(c2);
83}
84
85constexpr uint8_t byte_from_hexstr(const char str[2]) {
86   return nybble_from_hex(str[0]) << 4 | nybble_from_hex(str[1]);
87}
88
89constexpr unsigned short short_from_hexstr(const char str[2], unsigned shift)
90{
91   return ((unsigned short)(nybble_from_hex(str[0]) << 4 |
92                            nybble_from_hex(str[1])))
93          << shift;
94}
95
96constexpr unsigned long word_from_hexstr(const char str[2], unsigned shift)
97{
98   return ((unsigned long)(nybble_from_hex(str[0]) << 4 |
99                           nybble_from_hex(str[1])))
100          << shift;
101}
102
103#define CROSS_PLATFORM_UUIDOF(iface, spec)                                \
104   struct iface;                                                          \
105   __CRT_UUID_DECL(                                                       \
106       iface,                                                             \
107       word_from_hexstr(spec, 24) | word_from_hexstr(spec + 2, 16) |      \
108           word_from_hexstr(spec + 4, 8) | word_from_hexstr(spec + 6, 0), \
109       short_from_hexstr(spec + 9, 8) | short_from_hexstr(spec + 11, 0),  \
110       short_from_hexstr(spec + 14, 8) | short_from_hexstr(spec + 16, 0), \
111       byte_from_hexstr(spec + 19), byte_from_hexstr(spec + 21),          \
112       byte_from_hexstr(spec + 24), byte_from_hexstr(spec + 26),          \
113       byte_from_hexstr(spec + 28), byte_from_hexstr(spec + 30),          \
114       byte_from_hexstr(spec + 32), byte_from_hexstr(spec + 34))
115
116#endif /* defined(_MSC_VER) */
117#endif /* CROSS_PLATFORM_UUIDOF */
118
119#ifndef _WIN32
120
121CROSS_PLATFORM_UUIDOF(INoMarshal, "ECC8691B-C1DB-4DC0-855E-65F6C551AF49")
122struct INoMarshal : public IUnknown {};
123
124CROSS_PLATFORM_UUIDOF(IMalloc, "00000002-0000-0000-C000-000000000046")
125struct IMalloc : public IUnknown {
126   virtual void *Alloc(size_t size);
127   virtual void *Realloc(void *ptr, size_t size);
128   virtual void Free(void *ptr);
129   virtual HRESULT QueryInterface(REFIID riid, void **ppvObject);
130};
131
132CROSS_PLATFORM_UUIDOF(ISequentialStream, "0C733A30-2A1C-11CE-ADE5-00AA0044773D")
133struct ISequentialStream : public IUnknown {
134   virtual HRESULT Read(void *pv, ULONG cb, ULONG *pcbRead) = 0;
135   virtual HRESULT Write(const void *pv, ULONG cb, ULONG *pcbWritten) = 0;
136};
137
138CROSS_PLATFORM_UUIDOF(IStream, "0000000c-0000-0000-C000-000000000046")
139struct IStream : public ISequentialStream {
140   virtual HRESULT Seek(LARGE_INTEGER dlibMove, DWORD dwOrigin,
141                        ULARGE_INTEGER *plibNewPosition) = 0;
142   virtual HRESULT SetSize(ULARGE_INTEGER libNewSize) = 0;
143   virtual HRESULT CopyTo(IStream *pstm, ULARGE_INTEGER cb,
144                          ULARGE_INTEGER *pcbRead,
145                          ULARGE_INTEGER *pcbWritten) = 0;
146
147   virtual HRESULT Commit(DWORD grfCommitFlags) = 0;
148
149   virtual HRESULT Revert(void) = 0;
150
151   virtual HRESULT LockRegion(ULARGE_INTEGER libOffset, ULARGE_INTEGER cb,
152                              DWORD dwLockType) = 0;
153
154   virtual HRESULT UnlockRegion(ULARGE_INTEGER libOffset, ULARGE_INTEGER cb,
155                                DWORD dwLockType) = 0;
156
157   virtual HRESULT Stat(STATSTG *pstatstg, DWORD grfStatFlag) = 0;
158
159   virtual HRESULT Clone(IStream **ppstm) = 0;
160};
161
162#endif
163
164struct IMalloc;
165
166struct IDxcIncludeHandler;
167
168typedef HRESULT (__stdcall *DxcCreateInstanceProc)(
169    _In_ REFCLSID   rclsid,
170    _In_ REFIID     riid,
171    _Out_ LPVOID*   ppv
172);
173
174typedef HRESULT(__stdcall *DxcCreateInstance2Proc)(
175  _In_ IMalloc    *pMalloc,
176  _In_ REFCLSID   rclsid,
177  _In_ REFIID     riid,
178  _Out_ LPVOID*   ppv
179  );
180
181/// <summary>
182/// Creates a single uninitialized object of the class associated with a specified CLSID.
183/// </summary>
184/// <param name="rclsid">
185/// The CLSID associated with the data and code that will be used to create the object.
186/// </param>
187/// <param name="riid">
188/// A reference to the identifier of the interface to be used to communicate
189/// with the object.
190/// </param>
191/// <param name="ppv">
192/// Address of pointer variable that receives the interface pointer requested
193/// in riid. Upon successful return, *ppv contains the requested interface
194/// pointer. Upon failure, *ppv contains NULL.</param>
195/// <remarks>
196/// While this function is similar to CoCreateInstance, there is no COM involvement.
197/// </remarks>
198
199extern "C"
200DXC_API_IMPORT HRESULT __stdcall DxcCreateInstance(
201  _In_ REFCLSID   rclsid,
202  _In_ REFIID     riid,
203  _Out_ LPVOID*   ppv
204  );
205
206extern "C"
207DXC_API_IMPORT HRESULT __stdcall DxcCreateInstance2(
208  _In_ IMalloc    *pMalloc,
209  _In_ REFCLSID   rclsid,
210  _In_ REFIID     riid,
211  _Out_ LPVOID*   ppv
212);
213
214// For convenience, equivalent definitions to CP_UTF8 and CP_UTF16.
215#define DXC_CP_UTF8 65001
216#define DXC_CP_UTF16 1200
217// Use DXC_CP_ACP for: Binary;  ANSI Text;  Autodetect UTF with BOM
218#define DXC_CP_ACP 0
219
220// This flag indicates that the shader hash was computed taking into account source information (-Zss)
221#define DXC_HASHFLAG_INCLUDES_SOURCE  1
222
223// Hash digest type for ShaderHash
224typedef struct DxcShaderHash {
225  UINT32 Flags; // DXC_HASHFLAG_*
226  BYTE HashDigest[16];
227} DxcShaderHash;
228
229#define DXC_FOURCC(ch0, ch1, ch2, ch3) (                     \
230  (UINT32)(UINT8)(ch0)        | (UINT32)(UINT8)(ch1) << 8  | \
231  (UINT32)(UINT8)(ch2) << 16  | (UINT32)(UINT8)(ch3) << 24   \
232  )
233#define DXC_PART_PDB                      DXC_FOURCC('I', 'L', 'D', 'B')
234#define DXC_PART_PDB_NAME                 DXC_FOURCC('I', 'L', 'D', 'N')
235#define DXC_PART_PRIVATE_DATA             DXC_FOURCC('P', 'R', 'I', 'V')
236#define DXC_PART_ROOT_SIGNATURE           DXC_FOURCC('R', 'T', 'S', '0')
237#define DXC_PART_DXIL                     DXC_FOURCC('D', 'X', 'I', 'L')
238#define DXC_PART_REFLECTION_DATA          DXC_FOURCC('S', 'T', 'A', 'T')
239#define DXC_PART_SHADER_HASH              DXC_FOURCC('H', 'A', 'S', 'H')
240#define DXC_PART_INPUT_SIGNATURE          DXC_FOURCC('I', 'S', 'G', '1')
241#define DXC_PART_OUTPUT_SIGNATURE         DXC_FOURCC('O', 'S', 'G', '1')
242#define DXC_PART_PATCH_CONSTANT_SIGNATURE DXC_FOURCC('P', 'S', 'G', '1')
243
244// Some option arguments are defined here for continuity with D3DCompile interface
245#define DXC_ARG_DEBUG L"-Zi"
246#define DXC_ARG_SKIP_VALIDATION L"-Vd"
247#define DXC_ARG_SKIP_OPTIMIZATIONS L"-Od"
248#define DXC_ARG_PACK_MATRIX_ROW_MAJOR L"-Zpr"
249#define DXC_ARG_PACK_MATRIX_COLUMN_MAJOR L"-Zpc"
250#define DXC_ARG_AVOID_FLOW_CONTROL L"-Gfa"
251#define DXC_ARG_PREFER_FLOW_CONTROL L"-Gfp"
252#define DXC_ARG_ENABLE_STRICTNESS L"-Ges"
253#define DXC_ARG_ENABLE_BACKWARDS_COMPATIBILITY L"-Gec"
254#define DXC_ARG_IEEE_STRICTNESS L"-Gis"
255#define DXC_ARG_OPTIMIZATION_LEVEL0 L"-O0"
256#define DXC_ARG_OPTIMIZATION_LEVEL1 L"-O1"
257#define DXC_ARG_OPTIMIZATION_LEVEL2 L"-O2"
258#define DXC_ARG_OPTIMIZATION_LEVEL3 L"-O3"
259#define DXC_ARG_WARNINGS_ARE_ERRORS L"-WX"
260#define DXC_ARG_RESOURCES_MAY_ALIAS L"-res_may_alias"
261#define DXC_ARG_ALL_RESOURCES_BOUND L"-all_resources_bound"
262#define DXC_ARG_DEBUG_NAME_FOR_SOURCE L"-Zss"
263#define DXC_ARG_DEBUG_NAME_FOR_BINARY L"-Zsb"
264
265// IDxcBlob is an alias of ID3D10Blob and ID3DBlob
266CROSS_PLATFORM_UUIDOF(IDxcBlob, "8BA5FB08-5195-40e2-AC58-0D989C3A0102")
267struct IDxcBlob : public IUnknown {
268public:
269  virtual LPVOID STDMETHODCALLTYPE GetBufferPointer(void) = 0;
270  virtual SIZE_T STDMETHODCALLTYPE GetBufferSize(void) = 0;
271};
272
273CROSS_PLATFORM_UUIDOF(IDxcBlobEncoding, "7241d424-2646-4191-97c0-98e96e42fc68")
274struct IDxcBlobEncoding : public IDxcBlob {
275public:
276  virtual HRESULT STDMETHODCALLTYPE GetEncoding(_Out_ BOOL *pKnown,
277                                                _Out_ UINT32 *pCodePage) = 0;
278};
279
280// Notes on IDxcBlobUtf16 and IDxcBlobUtf8
281// These guarantee null-terminated text and the stated encoding.
282// GetBufferSize() will return the size in bytes, including null-terminator
283// GetStringLength() will return the length in characters, excluding the null-terminator
284// Name strings will use IDxcBlobUtf16, while other string output blobs,
285// such as errors/warnings, preprocessed HLSL, or other text will be based
286// on the -encoding option.
287
288// The API will use this interface for output name strings
289CROSS_PLATFORM_UUIDOF(IDxcBlobUtf16, "A3F84EAB-0FAA-497E-A39C-EE6ED60B2D84")
290struct IDxcBlobUtf16 : public IDxcBlobEncoding {
291public:
292  virtual LPCWSTR STDMETHODCALLTYPE GetStringPointer(void) = 0;
293  virtual SIZE_T STDMETHODCALLTYPE GetStringLength(void) = 0;
294};
295CROSS_PLATFORM_UUIDOF(IDxcBlobUtf8, "3DA636C9-BA71-4024-A301-30CBF125305B")
296struct IDxcBlobUtf8 : public IDxcBlobEncoding {
297public:
298  virtual LPCSTR STDMETHODCALLTYPE GetStringPointer(void) = 0;
299  virtual SIZE_T STDMETHODCALLTYPE GetStringLength(void) = 0;
300};
301
302CROSS_PLATFORM_UUIDOF(IDxcIncludeHandler, "7f61fc7d-950d-467f-b3e3-3c02fb49187c")
303struct IDxcIncludeHandler : public IUnknown {
304  virtual HRESULT STDMETHODCALLTYPE LoadSource(
305    _In_z_ LPCWSTR pFilename,                                 // Candidate filename.
306    _COM_Outptr_result_maybenull_ IDxcBlob **ppIncludeSource  // Resultant source object for included file, nullptr if not found.
307    ) = 0;
308};
309
310// Structure for supplying bytes or text input to Dxc APIs.
311// Use Encoding = 0 for non-text bytes, ANSI text, or unknown with BOM.
312typedef struct DxcBuffer {
313  LPCVOID Ptr;
314  SIZE_T Size;
315  UINT Encoding;
316} DxcText;
317
318struct DxcDefine {
319  LPCWSTR Name;
320  _Maybenull_ LPCWSTR Value;
321};
322
323CROSS_PLATFORM_UUIDOF(IDxcCompilerArgs, "73EFFE2A-70DC-45F8-9690-EFF64C02429D")
324struct IDxcCompilerArgs : public IUnknown {
325  // Pass GetArguments() and GetCount() to Compile
326  virtual LPCWSTR* STDMETHODCALLTYPE GetArguments() = 0;
327  virtual UINT32 STDMETHODCALLTYPE GetCount() = 0;
328
329  // Add additional arguments or defines here, if desired.
330  virtual HRESULT STDMETHODCALLTYPE AddArguments(
331    _In_opt_count_(argCount) LPCWSTR *pArguments,       // Array of pointers to arguments to add
332    _In_ UINT32 argCount                                // Number of arguments to add
333  ) = 0;
334  virtual HRESULT STDMETHODCALLTYPE AddArgumentsUTF8(
335    _In_opt_count_(argCount)LPCSTR *pArguments,         // Array of pointers to UTF-8 arguments to add
336    _In_ UINT32 argCount                                // Number of arguments to add
337  ) = 0;
338  virtual HRESULT STDMETHODCALLTYPE AddDefines(
339      _In_count_(defineCount) const DxcDefine *pDefines, // Array of defines
340      _In_ UINT32 defineCount                            // Number of defines
341  ) = 0;
342};
343
344//////////////////////////
345// Legacy Interfaces
346/////////////////////////
347
348// NOTE: IDxcUtils replaces IDxcLibrary
349CROSS_PLATFORM_UUIDOF(IDxcLibrary, "e5204dc7-d18c-4c3c-bdfb-851673980fe7")
350struct IDxcLibrary : public IUnknown {
351  virtual HRESULT STDMETHODCALLTYPE SetMalloc(_In_opt_ IMalloc *pMalloc) = 0;
352  virtual HRESULT STDMETHODCALLTYPE CreateBlobFromBlob(
353    _In_ IDxcBlob *pBlob, UINT32 offset, UINT32 length, _COM_Outptr_ IDxcBlob **ppResult) = 0;
354  virtual HRESULT STDMETHODCALLTYPE CreateBlobFromFile(
355    _In_z_ LPCWSTR pFileName, _In_opt_ UINT32* codePage,
356    _COM_Outptr_ IDxcBlobEncoding **pBlobEncoding) = 0;
357  virtual HRESULT STDMETHODCALLTYPE CreateBlobWithEncodingFromPinned(
358    _In_bytecount_(size) LPCVOID pText, UINT32 size, UINT32 codePage,
359    _COM_Outptr_ IDxcBlobEncoding **pBlobEncoding) = 0;
360  virtual HRESULT STDMETHODCALLTYPE CreateBlobWithEncodingOnHeapCopy(
361    _In_bytecount_(size) LPCVOID pText, UINT32 size, UINT32 codePage,
362    _COM_Outptr_ IDxcBlobEncoding **pBlobEncoding) = 0;
363  virtual HRESULT STDMETHODCALLTYPE CreateBlobWithEncodingOnMalloc(
364    _In_bytecount_(size) LPCVOID pText, IMalloc *pIMalloc, UINT32 size, UINT32 codePage,
365    _COM_Outptr_ IDxcBlobEncoding **pBlobEncoding) = 0;
366  virtual HRESULT STDMETHODCALLTYPE CreateIncludeHandler(
367    _COM_Outptr_ IDxcIncludeHandler **ppResult) = 0;
368  virtual HRESULT STDMETHODCALLTYPE CreateStreamFromBlobReadOnly(
369    _In_ IDxcBlob *pBlob, _COM_Outptr_ IStream **ppStream) = 0;
370  virtual HRESULT STDMETHODCALLTYPE GetBlobAsUtf8(
371    _In_ IDxcBlob *pBlob, _COM_Outptr_ IDxcBlobEncoding **pBlobEncoding) = 0;
372  virtual HRESULT STDMETHODCALLTYPE GetBlobAsUtf16(
373    _In_ IDxcBlob *pBlob, _COM_Outptr_ IDxcBlobEncoding **pBlobEncoding) = 0;
374};
375
376// NOTE: IDxcResult replaces IDxcOperationResult
377CROSS_PLATFORM_UUIDOF(IDxcOperationResult, "CEDB484A-D4E9-445A-B991-CA21CA157DC2")
378struct IDxcOperationResult : public IUnknown {
379  virtual HRESULT STDMETHODCALLTYPE GetStatus(_Out_ HRESULT *pStatus) = 0;
380
381  // GetResult returns the main result of the operation.
382  // This corresponds to:
383  // DXC_OUT_OBJECT - Compile() with shader or library target
384  // DXC_OUT_DISASSEMBLY - Disassemble()
385  // DXC_OUT_HLSL - Compile() with -P
386  // DXC_OUT_ROOT_SIGNATURE - Compile() with rootsig_* target
387  virtual HRESULT STDMETHODCALLTYPE GetResult(_COM_Outptr_result_maybenull_ IDxcBlob **ppResult) = 0;
388
389  // GetErrorBuffer Corresponds to DXC_OUT_ERRORS.
390  virtual HRESULT STDMETHODCALLTYPE GetErrorBuffer(_COM_Outptr_result_maybenull_ IDxcBlobEncoding **ppErrors) = 0;
391};
392
393// NOTE: IDxcCompiler3 replaces IDxcCompiler and IDxcCompiler2
394CROSS_PLATFORM_UUIDOF(IDxcCompiler, "8c210bf3-011f-4422-8d70-6f9acb8db617")
395struct IDxcCompiler : public IUnknown {
396  // Compile a single entry point to the target shader model
397  virtual HRESULT STDMETHODCALLTYPE Compile(
398    _In_ IDxcBlob *pSource,                       // Source text to compile
399    _In_opt_z_ LPCWSTR pSourceName,               // Optional file name for pSource. Used in errors and include handlers.
400    _In_opt_z_ LPCWSTR pEntryPoint,               // entry point name
401    _In_z_ LPCWSTR pTargetProfile,                // shader profile to compile
402    _In_opt_count_(argCount) LPCWSTR *pArguments, // Array of pointers to arguments
403    _In_ UINT32 argCount,                         // Number of arguments
404    _In_count_(defineCount)
405      const DxcDefine *pDefines,                  // Array of defines
406    _In_ UINT32 defineCount,                      // Number of defines
407    _In_opt_ IDxcIncludeHandler *pIncludeHandler, // user-provided interface to handle #include directives (optional)
408    _COM_Outptr_ IDxcOperationResult **ppResult   // Compiler output status, buffer, and errors
409  ) = 0;
410
411  // Preprocess source text
412  virtual HRESULT STDMETHODCALLTYPE Preprocess(
413    _In_ IDxcBlob *pSource,                       // Source text to preprocess
414    _In_opt_z_ LPCWSTR pSourceName,               // Optional file name for pSource. Used in errors and include handlers.
415    _In_opt_count_(argCount) LPCWSTR *pArguments, // Array of pointers to arguments
416    _In_ UINT32 argCount,                         // Number of arguments
417    _In_count_(defineCount)
418      const DxcDefine *pDefines,                  // Array of defines
419    _In_ UINT32 defineCount,                      // Number of defines
420    _In_opt_ IDxcIncludeHandler *pIncludeHandler, // user-provided interface to handle #include directives (optional)
421    _COM_Outptr_ IDxcOperationResult **ppResult   // Preprocessor output status, buffer, and errors
422  ) = 0;
423
424  // Disassemble a program.
425  virtual HRESULT STDMETHODCALLTYPE Disassemble(
426    _In_ IDxcBlob *pSource,                         // Program to disassemble.
427    _COM_Outptr_ IDxcBlobEncoding **ppDisassembly   // Disassembly text.
428    ) = 0;
429};
430
431// NOTE: IDxcCompiler3 replaces IDxcCompiler and IDxcCompiler2
432CROSS_PLATFORM_UUIDOF(IDxcCompiler2, "A005A9D9-B8BB-4594-B5C9-0E633BEC4D37")
433struct IDxcCompiler2 : public IDxcCompiler {
434  // Compile a single entry point to the target shader model with debug information.
435  virtual HRESULT STDMETHODCALLTYPE CompileWithDebug(
436    _In_ IDxcBlob *pSource,                       // Source text to compile
437    _In_opt_z_ LPCWSTR pSourceName,               // Optional file name for pSource. Used in errors and include handlers.
438    _In_opt_z_ LPCWSTR pEntryPoint,               // Entry point name
439    _In_z_ LPCWSTR pTargetProfile,                // Shader profile to compile
440    _In_opt_count_(argCount) LPCWSTR *pArguments, // Array of pointers to arguments
441    _In_ UINT32 argCount,                         // Number of arguments
442    _In_count_(defineCount)
443      const DxcDefine *pDefines,                  // Array of defines
444    _In_ UINT32 defineCount,                      // Number of defines
445    _In_opt_ IDxcIncludeHandler *pIncludeHandler, // user-provided interface to handle #include directives (optional)
446    _COM_Outptr_ IDxcOperationResult **ppResult,  // Compiler output status, buffer, and errors
447    _Outptr_opt_result_z_ LPWSTR *ppDebugBlobName,// Suggested file name for debug blob. (Must be HeapFree()'d!)
448    _COM_Outptr_opt_ IDxcBlob **ppDebugBlob       // Debug blob
449  ) = 0;
450};
451
452CROSS_PLATFORM_UUIDOF(IDxcLinker, "F1B5BE2A-62DD-4327-A1C2-42AC1E1E78E6")
453struct IDxcLinker : public IUnknown {
454public:
455  // Register a library with name to ref it later.
456  virtual HRESULT RegisterLibrary(
457    _In_opt_ LPCWSTR pLibName,          // Name of the library.
458    _In_ IDxcBlob *pLib                 // Library blob.
459  ) = 0;
460
461  // Links the shader and produces a shader blob that the Direct3D runtime can
462  // use.
463  virtual HRESULT STDMETHODCALLTYPE Link(
464    _In_opt_ LPCWSTR pEntryName,        // Entry point name
465    _In_ LPCWSTR pTargetProfile,        // shader profile to link
466    _In_count_(libCount)
467        const LPCWSTR *pLibNames,       // Array of library names to link
468    _In_ UINT32 libCount,               // Number of libraries to link
469    _In_opt_count_(argCount) const LPCWSTR *pArguments, // Array of pointers to arguments
470    _In_ UINT32 argCount,               // Number of arguments
471    _COM_Outptr_
472        IDxcOperationResult **ppResult  // Linker output status, buffer, and errors
473  ) = 0;
474};
475
476/////////////////////////
477// Latest interfaces. Please use these
478////////////////////////
479
480// NOTE: IDxcUtils replaces IDxcLibrary
481CROSS_PLATFORM_UUIDOF(IDxcUtils, "4605C4CB-2019-492A-ADA4-65F20BB7D67F")
482struct IDxcUtils : public IUnknown {
483  // Create a sub-blob that holds a reference to the outer blob and points to its memory.
484  virtual HRESULT STDMETHODCALLTYPE CreateBlobFromBlob(
485    _In_ IDxcBlob *pBlob, UINT32 offset, UINT32 length, _COM_Outptr_ IDxcBlob **ppResult) = 0;
486
487  // For codePage, use 0 (or DXC_CP_ACP) for raw binary or ANSI code page
488
489  // Creates a blob referencing existing memory, with no copy.
490  // User must manage the memory lifetime separately.
491  // (was: CreateBlobWithEncodingFromPinned)
492  virtual HRESULT STDMETHODCALLTYPE CreateBlobFromPinned(
493    _In_bytecount_(size) LPCVOID pData, UINT32 size, UINT32 codePage,
494    _COM_Outptr_ IDxcBlobEncoding **pBlobEncoding) = 0;
495
496  // Create blob, taking ownership of memory allocated with supplied allocator.
497  // (was: CreateBlobWithEncodingOnMalloc)
498  virtual HRESULT STDMETHODCALLTYPE MoveToBlob(
499    _In_bytecount_(size) LPCVOID pData, IMalloc *pIMalloc, UINT32 size, UINT32 codePage,
500    _COM_Outptr_ IDxcBlobEncoding **pBlobEncoding) = 0;
501
502  ////
503  // New blobs and copied contents are allocated with the current allocator
504
505  // Copy blob contents to memory owned by the new blob.
506  // (was: CreateBlobWithEncodingOnHeapCopy)
507  virtual HRESULT STDMETHODCALLTYPE CreateBlob(
508    _In_bytecount_(size) LPCVOID pData, UINT32 size, UINT32 codePage,
509    _COM_Outptr_ IDxcBlobEncoding **pBlobEncoding) = 0;
510
511  // (was: CreateBlobFromFile)
512  virtual HRESULT STDMETHODCALLTYPE LoadFile(
513    _In_z_ LPCWSTR pFileName, _In_opt_ UINT32* pCodePage,
514    _COM_Outptr_ IDxcBlobEncoding **pBlobEncoding) = 0;
515
516  virtual HRESULT STDMETHODCALLTYPE CreateReadOnlyStreamFromBlob(
517    _In_ IDxcBlob *pBlob, _COM_Outptr_ IStream **ppStream) = 0;
518
519  // Create default file-based include handler
520  virtual HRESULT STDMETHODCALLTYPE CreateDefaultIncludeHandler(
521    _COM_Outptr_ IDxcIncludeHandler **ppResult) = 0;
522
523  // Convert or return matching encoded text blobs
524  virtual HRESULT STDMETHODCALLTYPE GetBlobAsUtf8(
525    _In_ IDxcBlob *pBlob, _COM_Outptr_ IDxcBlobUtf8 **pBlobEncoding) = 0;
526  virtual HRESULT STDMETHODCALLTYPE GetBlobAsUtf16(
527    _In_ IDxcBlob *pBlob, _COM_Outptr_ IDxcBlobUtf16 **pBlobEncoding) = 0;
528
529  virtual HRESULT STDMETHODCALLTYPE GetDxilContainerPart(
530    _In_ const DxcBuffer *pShader,
531    _In_ UINT32 DxcPart,
532    _Outptr_result_nullonfailure_ void **ppPartData,
533    _Out_ UINT32 *pPartSizeInBytes) = 0;
534
535  // Create reflection interface from serialized Dxil container, or DXC_PART_REFLECTION_DATA.
536  // TBD: Require part header for RDAT?  (leaning towards yes)
537  virtual HRESULT STDMETHODCALLTYPE CreateReflection(
538    _In_ const DxcBuffer *pData, REFIID iid, void **ppvReflection) = 0;
539
540  virtual HRESULT STDMETHODCALLTYPE BuildArguments(
541    _In_opt_z_ LPCWSTR pSourceName,               // Optional file name for pSource. Used in errors and include handlers.
542    _In_opt_z_ LPCWSTR pEntryPoint,               // Entry point name. (-E)
543    _In_z_ LPCWSTR pTargetProfile,                // Shader profile to compile. (-T)
544    _In_opt_count_(argCount) LPCWSTR *pArguments, // Array of pointers to arguments
545    _In_ UINT32 argCount,                         // Number of arguments
546    _In_count_(defineCount)
547      const DxcDefine *pDefines,                  // Array of defines
548    _In_ UINT32 defineCount,                      // Number of defines
549    _COM_Outptr_ IDxcCompilerArgs **ppArgs        // Arguments you can use with Compile() method
550  ) = 0;
551
552  // Takes the shader PDB and returns the hash and the container inside it
553  virtual HRESULT STDMETHODCALLTYPE GetPDBContents(
554    _In_ IDxcBlob *pPDBBlob, _COM_Outptr_ IDxcBlob **ppHash, _COM_Outptr_ IDxcBlob **ppContainer) = 0;
555};
556
557// For use with IDxcResult::[Has|Get]Output dxcOutKind argument
558// Note: text outputs returned from version 2 APIs are UTF-8 or UTF-16 based on -encoding option
559typedef enum DXC_OUT_KIND {
560  DXC_OUT_NONE = 0,
561  DXC_OUT_OBJECT = 1,         // IDxcBlob - Shader or library object
562  DXC_OUT_ERRORS = 2,         // IDxcBlobUtf8 or IDxcBlobUtf16
563  DXC_OUT_PDB = 3,            // IDxcBlob
564  DXC_OUT_SHADER_HASH = 4,    // IDxcBlob - DxcShaderHash of shader or shader with source info (-Zsb/-Zss)
565  DXC_OUT_DISASSEMBLY = 5,    // IDxcBlobUtf8 or IDxcBlobUtf16 - from Disassemble
566  DXC_OUT_HLSL = 6,           // IDxcBlobUtf8 or IDxcBlobUtf16 - from Preprocessor or Rewriter
567  DXC_OUT_TEXT = 7,           // IDxcBlobUtf8 or IDxcBlobUtf16 - other text, such as -ast-dump or -Odump
568  DXC_OUT_REFLECTION = 8,     // IDxcBlob - RDAT part with reflection data
569  DXC_OUT_ROOT_SIGNATURE = 9, // IDxcBlob - Serialized root signature output
570  DXC_OUT_EXTRA_OUTPUTS  = 10,// IDxcExtraResults - Extra outputs
571
572  DXC_OUT_FORCE_DWORD = 0xFFFFFFFF
573} DXC_OUT_KIND;
574
575CROSS_PLATFORM_UUIDOF(IDxcResult, "58346CDA-DDE7-4497-9461-6F87AF5E0659")
576struct IDxcResult : public IDxcOperationResult {
577  virtual BOOL STDMETHODCALLTYPE HasOutput(_In_ DXC_OUT_KIND dxcOutKind) = 0;
578  virtual HRESULT STDMETHODCALLTYPE GetOutput(_In_ DXC_OUT_KIND dxcOutKind,
579    _In_ REFIID iid, _COM_Outptr_opt_result_maybenull_ void **ppvObject,
580    _COM_Outptr_ IDxcBlobUtf16 **ppOutputName) = 0;
581
582  virtual UINT32 GetNumOutputs() = 0;
583  virtual DXC_OUT_KIND GetOutputByIndex(UINT32 Index) = 0;
584  virtual DXC_OUT_KIND PrimaryOutput() = 0;
585};
586
587// Special names for extra output that should get written to specific streams
588#define DXC_EXTRA_OUTPUT_NAME_STDOUT L"*stdout*"
589#define DXC_EXTRA_OUTPUT_NAME_STDERR L"*stderr*"
590
591CROSS_PLATFORM_UUIDOF(IDxcExtraOutputs, "319b37a2-a5c2-494a-a5de-4801b2faf989")
592struct IDxcExtraOutputs : public IUnknown {
593
594  virtual UINT32 STDMETHODCALLTYPE GetOutputCount() = 0;
595  virtual HRESULT STDMETHODCALLTYPE GetOutput(_In_ UINT32 uIndex,
596    _In_ REFIID iid, _COM_Outptr_opt_result_maybenull_ void **ppvObject,
597    _COM_Outptr_opt_result_maybenull_ IDxcBlobUtf16 **ppOutputType,
598    _COM_Outptr_opt_result_maybenull_ IDxcBlobUtf16 **ppOutputName) = 0;
599};
600
601CROSS_PLATFORM_UUIDOF(IDxcCompiler3, "228B4687-5A6A-4730-900C-9702B2203F54")
602struct IDxcCompiler3 : public IUnknown {
603  // Compile a single entry point to the target shader model,
604  // Compile a library to a library target (-T lib_*),
605  // Compile a root signature (-T rootsig_*), or
606  // Preprocess HLSL source (-P)
607  virtual HRESULT STDMETHODCALLTYPE Compile(
608    _In_ const DxcBuffer *pSource,                // Source text to compile
609    _In_opt_count_(argCount) LPCWSTR *pArguments, // Array of pointers to arguments
610    _In_ UINT32 argCount,                         // Number of arguments
611    _In_opt_ IDxcIncludeHandler *pIncludeHandler, // user-provided interface to handle #include directives (optional)
612    _In_ REFIID riid, _Out_ LPVOID *ppResult      // IDxcResult: status, buffer, and errors
613  ) = 0;
614
615  // Disassemble a program.
616  virtual HRESULT STDMETHODCALLTYPE Disassemble(
617    _In_ const DxcBuffer *pObject,                // Program to disassemble: dxil container or bitcode.
618    _In_ REFIID riid, _Out_ LPVOID *ppResult      // IDxcResult: status, disassembly text, and errors
619    ) = 0;
620};
621
622static const UINT32 DxcValidatorFlags_Default = 0;
623static const UINT32 DxcValidatorFlags_InPlaceEdit = 1;  // Validator is allowed to update shader blob in-place.
624static const UINT32 DxcValidatorFlags_RootSignatureOnly = 2;
625static const UINT32 DxcValidatorFlags_ModuleOnly = 4;
626static const UINT32 DxcValidatorFlags_ValidMask = 0x7;
627
628CROSS_PLATFORM_UUIDOF(IDxcValidator, "A6E82BD2-1FD7-4826-9811-2857E797F49A")
629struct IDxcValidator : public IUnknown {
630  // Validate a shader.
631  virtual HRESULT STDMETHODCALLTYPE Validate(
632    _In_ IDxcBlob *pShader,                       // Shader to validate.
633    _In_ UINT32 Flags,                            // Validation flags.
634    _COM_Outptr_ IDxcOperationResult **ppResult   // Validation output status, buffer, and errors
635    ) = 0;
636};
637
638CROSS_PLATFORM_UUIDOF(IDxcContainerBuilder, "334b1f50-2292-4b35-99a1-25588d8c17fe")
639struct IDxcContainerBuilder : public IUnknown {
640  virtual HRESULT STDMETHODCALLTYPE Load(_In_ IDxcBlob *pDxilContainerHeader) = 0;                // Loads DxilContainer to the builder
641  virtual HRESULT STDMETHODCALLTYPE AddPart(_In_ UINT32 fourCC, _In_ IDxcBlob *pSource) = 0;      // Part to add to the container
642  virtual HRESULT STDMETHODCALLTYPE RemovePart(_In_ UINT32 fourCC) = 0;                           // Remove the part with fourCC
643  virtual HRESULT STDMETHODCALLTYPE SerializeContainer(_Out_ IDxcOperationResult **ppResult) = 0; // Builds a container of the given container builder state
644};
645
646CROSS_PLATFORM_UUIDOF(IDxcAssembler, "091f7a26-1c1f-4948-904b-e6e3a8a771d5")
647struct IDxcAssembler : public IUnknown {
648  // Assemble dxil in ll or llvm bitcode to DXIL container.
649  virtual HRESULT STDMETHODCALLTYPE AssembleToContainer(
650    _In_ IDxcBlob *pShader,                       // Shader to assemble.
651    _COM_Outptr_ IDxcOperationResult **ppResult   // Assembly output status, buffer, and errors
652    ) = 0;
653};
654
655CROSS_PLATFORM_UUIDOF(IDxcContainerReflection, "d2c21b26-8350-4bdc-976a-331ce6f4c54c")
656struct IDxcContainerReflection : public IUnknown {
657  virtual HRESULT STDMETHODCALLTYPE Load(_In_ IDxcBlob *pContainer) = 0; // Container to load.
658  virtual HRESULT STDMETHODCALLTYPE GetPartCount(_Out_ UINT32 *pResult) = 0;
659  virtual HRESULT STDMETHODCALLTYPE GetPartKind(UINT32 idx, _Out_ UINT32 *pResult) = 0;
660  virtual HRESULT STDMETHODCALLTYPE GetPartContent(UINT32 idx, _COM_Outptr_ IDxcBlob **ppResult) = 0;
661  virtual HRESULT STDMETHODCALLTYPE FindFirstPartKind(UINT32 kind, _Out_ UINT32 *pResult) = 0;
662  virtual HRESULT STDMETHODCALLTYPE GetPartReflection(UINT32 idx, REFIID iid, void **ppvObject) = 0;
663};
664
665CROSS_PLATFORM_UUIDOF(IDxcOptimizerPass, "AE2CD79F-CC22-453F-9B6B-B124E7A5204C")
666struct IDxcOptimizerPass : public IUnknown {
667  virtual HRESULT STDMETHODCALLTYPE GetOptionName(_COM_Outptr_ LPWSTR *ppResult) = 0;
668  virtual HRESULT STDMETHODCALLTYPE GetDescription(_COM_Outptr_ LPWSTR *ppResult) = 0;
669  virtual HRESULT STDMETHODCALLTYPE GetOptionArgCount(_Out_ UINT32 *pCount) = 0;
670  virtual HRESULT STDMETHODCALLTYPE GetOptionArgName(UINT32 argIndex, _COM_Outptr_ LPWSTR *ppResult) = 0;
671  virtual HRESULT STDMETHODCALLTYPE GetOptionArgDescription(UINT32 argIndex, _COM_Outptr_ LPWSTR *ppResult) = 0;
672};
673
674CROSS_PLATFORM_UUIDOF(IDxcOptimizer, "25740E2E-9CBA-401B-9119-4FB42F39F270")
675struct IDxcOptimizer : public IUnknown {
676  virtual HRESULT STDMETHODCALLTYPE GetAvailablePassCount(_Out_ UINT32 *pCount) = 0;
677  virtual HRESULT STDMETHODCALLTYPE GetAvailablePass(UINT32 index, _COM_Outptr_ IDxcOptimizerPass** ppResult) = 0;
678  virtual HRESULT STDMETHODCALLTYPE RunOptimizer(IDxcBlob *pBlob,
679    _In_count_(optionCount) LPCWSTR *ppOptions, UINT32 optionCount,
680    _COM_Outptr_ IDxcBlob **pOutputModule,
681    _COM_Outptr_opt_ IDxcBlobEncoding **ppOutputText) = 0;
682};
683
684static const UINT32 DxcVersionInfoFlags_None = 0;
685static const UINT32 DxcVersionInfoFlags_Debug = 1; // Matches VS_FF_DEBUG
686static const UINT32 DxcVersionInfoFlags_Internal = 2; // Internal Validator (non-signing)
687
688CROSS_PLATFORM_UUIDOF(IDxcVersionInfo, "b04f5b50-2059-4f12-a8ff-a1e0cde1cc7e")
689struct IDxcVersionInfo : public IUnknown {
690  virtual HRESULT STDMETHODCALLTYPE GetVersion(_Out_ UINT32 *pMajor, _Out_ UINT32 *pMinor) = 0;
691  virtual HRESULT STDMETHODCALLTYPE GetFlags(_Out_ UINT32 *pFlags) = 0;
692};
693
694CROSS_PLATFORM_UUIDOF(IDxcVersionInfo2, "fb6904c4-42f0-4b62-9c46-983af7da7c83")
695struct IDxcVersionInfo2 : public IDxcVersionInfo {
696  virtual HRESULT STDMETHODCALLTYPE GetCommitInfo(_Out_ UINT32 *pCommitCount, _Out_ char **pCommitHash) = 0;
697};
698
699// Note: __declspec(selectany) requires 'extern'
700// On Linux __declspec(selectany) is removed and using 'extern' results in link error.
701#ifdef _MSC_VER
702#define CLSID_SCOPE __declspec(selectany) extern
703#else
704#define CLSID_SCOPE
705#endif
706
707CLSID_SCOPE const CLSID CLSID_DxcCompiler = {
708    0x73e22d93,
709    0xe6ce,
710    0x47f3,
711    {0xb5, 0xbf, 0xf0, 0x66, 0x4f, 0x39, 0xc1, 0xb0}};
712
713// {EF6A8087-B0EA-4D56-9E45-D07E1A8B7806}
714CLSID_SCOPE const GUID CLSID_DxcLinker = {
715    0xef6a8087,
716    0xb0ea,
717    0x4d56,
718    {0x9e, 0x45, 0xd0, 0x7e, 0x1a, 0x8b, 0x78, 0x6}};
719
720// {CD1F6B73-2AB0-484D-8EDC-EBE7A43CA09F}
721CLSID_SCOPE const CLSID CLSID_DxcDiaDataSource = {
722    0xcd1f6b73,
723    0x2ab0,
724    0x484d,
725    {0x8e, 0xdc, 0xeb, 0xe7, 0xa4, 0x3c, 0xa0, 0x9f}};
726
727// {3E56AE82-224D-470F-A1A1-FE3016EE9F9D}
728CLSID_SCOPE const CLSID CLSID_DxcCompilerArgs = {
729    0x3e56ae82,
730    0x224d,
731    0x470f,
732    {0xa1, 0xa1, 0xfe, 0x30, 0x16, 0xee, 0x9f, 0x9d}};
733
734// {6245D6AF-66E0-48FD-80B4-4D271796748C}
735CLSID_SCOPE const GUID CLSID_DxcLibrary = {
736    0x6245d6af,
737    0x66e0,
738    0x48fd,
739    {0x80, 0xb4, 0x4d, 0x27, 0x17, 0x96, 0x74, 0x8c}};
740
741CLSID_SCOPE const GUID CLSID_DxcUtils = CLSID_DxcLibrary;
742
743// {8CA3E215-F728-4CF3-8CDD-88AF917587A1}
744CLSID_SCOPE const GUID CLSID_DxcValidator = {
745    0x8ca3e215,
746    0xf728,
747    0x4cf3,
748    {0x8c, 0xdd, 0x88, 0xaf, 0x91, 0x75, 0x87, 0xa1}};
749
750// {D728DB68-F903-4F80-94CD-DCCF76EC7151}
751CLSID_SCOPE const GUID CLSID_DxcAssembler = {
752    0xd728db68,
753    0xf903,
754    0x4f80,
755    {0x94, 0xcd, 0xdc, 0xcf, 0x76, 0xec, 0x71, 0x51}};
756
757// {b9f54489-55b8-400c-ba3a-1675e4728b91}
758CLSID_SCOPE const GUID CLSID_DxcContainerReflection = {
759    0xb9f54489,
760    0x55b8,
761    0x400c,
762    {0xba, 0x3a, 0x16, 0x75, 0xe4, 0x72, 0x8b, 0x91}};
763
764// {AE2CD79F-CC22-453F-9B6B-B124E7A5204C}
765CLSID_SCOPE const GUID CLSID_DxcOptimizer = {
766    0xae2cd79f,
767    0xcc22,
768    0x453f,
769    {0x9b, 0x6b, 0xb1, 0x24, 0xe7, 0xa5, 0x20, 0x4c}};
770
771// {94134294-411f-4574-b4d0-8741e25240d2}
772CLSID_SCOPE const GUID CLSID_DxcContainerBuilder = {
773    0x94134294,
774    0x411f,
775    0x4574,
776    {0xb4, 0xd0, 0x87, 0x41, 0xe2, 0x52, 0x40, 0xd2}};
777#endif
778