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1#!/usr/bin/python2
2#
3# Copyright 2017 The ANGLE Project Authors. All rights reserved.
4# Use of this source code is governed by a BSD-style license that can be
5# found in the LICENSE file.
6#
7# generate_entry_points.py:
8#   Generates the OpenGL bindings and entry point layers for ANGLE.
9#   NOTE: don't run this script directly. Run scripts/run_code_generation.py.
10
11import sys, os, pprint, json
12from datetime import date
13import registry_xml
14
15# List of GLES1 extensions for which we don't need to add Context.h decls.
16gles1_no_context_decl_extensions = [
17    "GL_OES_framebuffer_object",
18]
19
20# This is a list of exceptions for entry points which don't want to have
21# the EVENT macro. This is required for some debug marker entry points.
22no_event_marker_exceptions_list = sorted([
23    "glPushGroupMarkerEXT",
24    "glPopGroupMarkerEXT",
25    "glInsertEventMarkerEXT",
26])
27
28# Strip these suffixes from Context entry point names. NV is excluded (for now).
29strip_suffixes = ["ANGLE", "EXT", "KHR", "OES", "CHROMIUM", "OVR"]
30
31template_entry_point_header = """// GENERATED FILE - DO NOT EDIT.
32// Generated by {script_name} using data from {data_source_name}.
33//
34// Copyright {year} The ANGLE Project Authors. All rights reserved.
35// Use of this source code is governed by a BSD-style license that can be
36// found in the LICENSE file.
37//
38// entry_points_{annotation_lower}_autogen.h:
39//   Defines the {comment} entry points.
40
41#ifndef {lib}_ENTRY_POINTS_{annotation_upper}_AUTOGEN_H_
42#define {lib}_ENTRY_POINTS_{annotation_upper}_AUTOGEN_H_
43
44{includes}
45
46namespace gl
47{{
48{entry_points}
49}}  // namespace gl
50
51#endif  // {lib}_ENTRY_POINTS_{annotation_upper}_AUTOGEN_H_
52"""
53
54template_entry_point_source = """// GENERATED FILE - DO NOT EDIT.
55// Generated by {script_name} using data from {data_source_name}.
56//
57// Copyright {year} The ANGLE Project Authors. All rights reserved.
58// Use of this source code is governed by a BSD-style license that can be
59// found in the LICENSE file.
60//
61// entry_points_{annotation_lower}_autogen.cpp:
62//   Defines the {comment} entry points.
63
64{includes}
65
66namespace gl
67{{
68{entry_points}}}  // namespace gl
69"""
70
71template_entry_points_enum_header = """// GENERATED FILE - DO NOT EDIT.
72// Generated by {script_name} using data from {data_source_name}.
73//
74// Copyright {year} The ANGLE Project Authors. All rights reserved.
75// Use of this source code is governed by a BSD-style license that can be
76// found in the LICENSE file.
77//
78// entry_points_enum_autogen.h:
79//   Defines the {lib} entry points enumeration.
80
81#ifndef LIBANGLE_ENTRYPOINTSENUM_AUTOGEN_H_
82#define LIBANGLE_ENTRYPOINTSENUM_AUTOGEN_H_
83
84namespace gl
85{{
86enum class EntryPoint
87{{
88{entry_points_list}
89}};
90
91const char *GetEntryPointName(EntryPoint ep);
92}}  // namespace gl
93#endif  // LIBANGLE_ENTRY_POINTS_ENUM_AUTOGEN_H_
94"""
95
96template_entry_points_name_case = """        case EntryPoint::{enum}:
97            return "gl{enum}";"""
98
99template_entry_points_enum_source = """// GENERATED FILE - DO NOT EDIT.
100// Generated by {script_name} using data from {data_source_name}.
101//
102// Copyright {year} The ANGLE Project Authors. All rights reserved.
103// Use of this source code is governed by a BSD-style license that can be
104// found in the LICENSE file.
105//
106// entry_points_enum_autogen.cpp:
107//   Helper methods for the {lib} entry points enumeration.
108
109#include "libANGLE/entry_points_enum_autogen.h"
110
111#include "common/debug.h"
112
113namespace gl
114{{
115const char *GetEntryPointName(EntryPoint ep)
116{{
117    switch (ep)
118    {{
119{entry_points_name_cases}
120        default:
121            UNREACHABLE();
122            return "error";
123    }}
124}}
125}}  // namespace gl
126"""
127
128template_lib_entry_point_source = """// GENERATED FILE - DO NOT EDIT.
129// Generated by {script_name} using data from {data_source_name}.
130//
131// Copyright {year} The ANGLE Project Authors. All rights reserved.
132// Use of this source code is governed by a BSD-style license that can be
133// found in the LICENSE file.
134//
135// {lib_name}.cpp: Implements the exported {lib_description} functions.
136
137{includes}
138extern "C" {{
139{entry_points}
140}} // extern "C"
141"""
142
143template_entry_point_decl = """ANGLE_EXPORT {return_type}GL_APIENTRY {name}{explicit_context_suffix}({explicit_context_param}{explicit_context_comma}{params});"""
144
145template_entry_point_no_return = """void GL_APIENTRY {name}{explicit_context_suffix}({explicit_context_param}{explicit_context_comma}{params})
146{{
147    Context *context = {context_getter};
148    {event_comment}EVENT("gl{name}", "context = %d{comma_if_needed}{format_params}", CID(context){comma_if_needed}{pass_params});
149
150    if (context)
151    {{{assert_explicit_context}{packed_gl_enum_conversions}
152        std::unique_lock<angle::GlobalMutex> shareContextLock = GetShareGroupLock(context);
153        bool isCallValid = (context->skipValidation() || Validate{name}({validate_params}));
154        if (isCallValid)
155        {{
156            context->{name_lower_no_suffix}({internal_params});
157        }}
158        ANGLE_CAPTURE({name}, isCallValid, {validate_params});
159    }}
160}}
161"""
162
163template_entry_point_with_return = """{return_type}GL_APIENTRY {name}{explicit_context_suffix}({explicit_context_param}{explicit_context_comma}{params})
164{{
165    Context *context = {context_getter};
166    {event_comment}EVENT("gl{name}", "context = %d{comma_if_needed}{format_params}", CID(context){comma_if_needed}{pass_params});
167
168    {return_type} returnValue;
169    if (context)
170    {{{assert_explicit_context}{packed_gl_enum_conversions}
171        std::unique_lock<angle::GlobalMutex> shareContextLock = GetShareGroupLock(context);
172        bool isCallValid = (context->skipValidation() || Validate{name}({validate_params}));
173        if (isCallValid)
174        {{
175            returnValue = context->{name_lower_no_suffix}({internal_params});
176        }}
177        else
178        {{
179            returnValue = GetDefaultReturnValue<EntryPoint::{name}, {return_type}>();
180        }}
181        ANGLE_CAPTURE({name}, isCallValid, {validate_params}, returnValue);
182    }}
183    else
184    {{
185        returnValue = GetDefaultReturnValue<EntryPoint::{name}, {return_type}>();
186    }}
187    return returnValue;
188}}
189"""
190
191context_header = """// GENERATED FILE - DO NOT EDIT.
192// Generated by {script_name} using data from {data_source_name}.
193//
194// Copyright {year} The ANGLE Project Authors. All rights reserved.
195// Use of this source code is governed by a BSD-style license that can be
196// found in the LICENSE file.
197//
198// Context_{annotation_lower}_autogen.h: Creates a macro for interfaces in Context.
199
200#ifndef ANGLE_CONTEXT_{annotation_upper}_AUTOGEN_H_
201#define ANGLE_CONTEXT_{annotation_upper}_AUTOGEN_H_
202
203#define ANGLE_{annotation_upper}_CONTEXT_API \\
204{interface}
205
206#endif // ANGLE_CONTEXT_API_{version}_AUTOGEN_H_
207"""
208
209context_decl_format = """    {return_type} {name_lower_no_suffix}({internal_params}){maybe_const}; \\"""
210
211libgles_entry_point_def = """{return_type}GL_APIENTRY gl{name}{explicit_context_suffix}({explicit_context_param}{explicit_context_comma}{params})
212{{
213    return gl::{name}{explicit_context_suffix}({explicit_context_internal_param}{explicit_context_comma}{internal_params});
214}}
215"""
216
217template_glext_explicit_context_inc = """// GENERATED FILE - DO NOT EDIT.
218// Generated by {script_name} using data from {data_source_name}.
219//
220// Copyright {year} The ANGLE Project Authors. All rights reserved.
221// Use of this source code is governed by a BSD-style license that can be
222// found in the LICENSE file.
223//
224// gl{version}ext_explicit_context_autogen.inc:
225//   Function declarations for the EGL_ANGLE_explicit_context extension
226
227{function_pointers}
228#ifdef GL_GLEXT_PROTOTYPES
229{function_prototypes}
230#endif
231"""
232
233template_glext_function_pointer = """typedef {return_type}(GL_APIENTRYP PFN{name_upper}{explicit_context_suffix_upper}PROC)({explicit_context_param}{explicit_context_comma}{params});"""
234template_glext_function_prototype = """{apicall} {return_type}GL_APIENTRY {name}{explicit_context_suffix}({explicit_context_param}{explicit_context_comma}{params});"""
235
236template_validation_header = """// GENERATED FILE - DO NOT EDIT.
237// Generated by {script_name} using data from {data_source_name}.
238//
239// Copyright {year} The ANGLE Project Authors. All rights reserved.
240// Use of this source code is governed by a BSD-style license that can be
241// found in the LICENSE file.
242//
243// validation{annotation}_autogen.h:
244//   Validation functions for the OpenGL {comment} entry points.
245
246#ifndef LIBANGLE_VALIDATION_{annotation}_AUTOGEN_H_
247#define LIBANGLE_VALIDATION_{annotation}_AUTOGEN_H_
248
249#include "common/PackedEnums.h"
250
251namespace gl
252{{
253class Context;
254
255{prototypes}
256}}  // namespace gl
257
258#endif  // LIBANGLE_VALIDATION_{annotation}_AUTOGEN_H_
259"""
260
261template_capture_header = """// GENERATED FILE - DO NOT EDIT.
262// Generated by {script_name} using data from {data_source_name}.
263//
264// Copyright {year} The ANGLE Project Authors. All rights reserved.
265// Use of this source code is governed by a BSD-style license that can be
266// found in the LICENSE file.
267//
268// capture_gles_{annotation}_autogen.h:
269//   Capture functions for the OpenGL ES {comment} entry points.
270
271#ifndef LIBANGLE_CAPTURE_GLES_{annotation}_AUTOGEN_H_
272#define LIBANGLE_CAPTURE_GLES_{annotation}_AUTOGEN_H_
273
274#include "common/PackedEnums.h"
275#include "libANGLE/FrameCapture.h"
276
277namespace gl
278{{
279{prototypes}
280}}  // namespace gl
281
282#endif  // LIBANGLE_CAPTURE_GLES_{annotation}_AUTOGEN_H_
283"""
284
285template_capture_source = """// GENERATED FILE - DO NOT EDIT.
286// Generated by {script_name} using data from {data_source_name}.
287//
288// Copyright {year} The ANGLE Project Authors. All rights reserved.
289// Use of this source code is governed by a BSD-style license that can be
290// found in the LICENSE file.
291//
292// capture_gles_{annotation_with_dash}_autogen.cpp:
293//   Capture functions for the OpenGL ES {comment} entry points.
294
295#include "libANGLE/capture_gles_{annotation_with_dash}_autogen.h"
296
297#include "libANGLE/Context.h"
298#include "libANGLE/FrameCapture.h"
299#include "libANGLE/gl_enum_utils.h"
300#include "libANGLE/validation{annotation_no_dash}.h"
301
302using namespace angle;
303
304namespace gl
305{{
306{capture_methods}
307}}  // namespace gl
308"""
309
310template_capture_method_with_return_value = """
311CallCapture Capture{short_name}({params_with_type}, {return_value_type_original} returnValue)
312{{
313    ParamBuffer paramBuffer;
314
315    {parameter_captures}
316
317    ParamCapture returnValueCapture("returnValue", ParamType::T{return_value_type_custom});
318    InitParamValue(ParamType::T{return_value_type_custom}, returnValue, &returnValueCapture.value);
319    paramBuffer.addReturnValue(std::move(returnValueCapture));
320
321    return CallCapture(gl::EntryPoint::{short_name}, std::move(paramBuffer));
322}}
323"""
324
325template_capture_method_no_return_value = """
326CallCapture Capture{short_name}({params_with_type})
327{{
328    ParamBuffer paramBuffer;
329
330    {parameter_captures}
331
332    return CallCapture(gl::EntryPoint::{short_name}, std::move(paramBuffer));
333}}
334"""
335
336template_parameter_capture_value = """paramBuffer.addValueParam("{name}", ParamType::T{type}, {name});"""
337
338template_parameter_capture_gl_enum = """paramBuffer.addEnumParam("{name}", GLenumGroup::{group}, ParamType::T{type}, {name});"""
339
340template_parameter_capture_pointer = """
341    ParamCapture {name}Param("{name}", ParamType::T{type});
342    InitParamValue(ParamType::T{type}, {name}, &{name}Param.value);
343    {capture_name}({params}, &{name}Param);
344    paramBuffer.addParam(std::move({name}Param));
345"""
346
347template_parameter_capture_pointer_func = """void {name}({params});"""
348
349template_capture_replay_source = """// GENERATED FILE - DO NOT EDIT.
350// Generated by {script_name} using data from {data_source_name}.
351//
352// Copyright {year} The ANGLE Project Authors. All rights reserved.
353// Use of this source code is governed by a BSD-style license that can be
354// found in the LICENSE file.
355//
356// frame_capture_replay_autogen.cpp:
357//   Util function to dispatch captured GL calls through Context and replay them.
358
359#include "angle_gl.h"
360
361#include "common/debug.h"
362#include "common/debug.h"
363#include "libANGLE/Context.h"
364#include "libANGLE/Context.inl.h"
365#include "libANGLE/FrameCapture.h"
366
367using namespace gl;
368
369namespace angle
370{{
371
372void FrameCapture::ReplayCall(gl::Context *context,
373                              ReplayContext *replayContext,
374                              const CallCapture &call)
375{{
376    const ParamBuffer &params = call.params;
377    switch (call.entryPoint)
378    {{
379        {call_replay_cases}
380        default:
381            UNREACHABLE();
382    }}
383}}
384
385}}  // namespace angle
386
387"""
388
389template_capture_replay_call_case = """case gl::EntryPoint::{entry_point}:
390    context->{context_call}({param_value_access});break;"""
391
392static_cast_to_dict = {
393    "GLintptr": "unsigned long long",
394    "GLsizeiptr": "unsigned long long",
395    "GLuint64": "unsigned long long",
396}
397
398reinterpret_cast_to_dict = {
399    "GLsync": "uintptr_t",
400    "GLDEBUGPROC": "uintptr_t",
401    "GLDEBUGPROCKHR": "uintptr_t",
402    "GLeglImageOES": "uintptr_t",
403}
404
405format_dict = {
406    "GLbitfield": "%s",
407    "GLboolean": "%s",
408    "GLbyte": "%d",
409    "GLclampx": "0x%X",
410    "GLDEBUGPROC": "0x%016\" PRIxPTR \"",
411    "GLDEBUGPROCKHR": "0x%016\" PRIxPTR \"",
412    "GLdouble": "%f",
413    "GLeglImageOES": "0x%016\" PRIxPTR \"",
414    "GLenum": "%s",
415    "GLfixed": "0x%X",
416    "GLfloat": "%f",
417    "GLint": "%d",
418    "GLintptr": "%llu",
419    "GLshort": "%d",
420    "GLsizei": "%d",
421    "GLsizeiptr": "%llu",
422    "GLsync": "0x%016\" PRIxPTR \"",
423    "GLubyte": "%d",
424    "GLuint": "%u",
425    "GLuint64": "%llu",
426    "GLushort": "%u",
427    "int": "%d",
428    # WGL specific types
429    "BOOL": "%u",
430    "DWORD": "0x%016\" PRIxPTR \"",
431    "FLOAT": "%f",
432    "HDC": "0x%016\" PRIxPTR \"",
433    "HENHMETAFILE": "0x%016\" PRIxPTR \"",
434    "HGLRC": "0x%016\" PRIxPTR \"",
435    "LPCSTR": "0x%016\" PRIxPTR \"",
436    "LPGLYPHMETRICSFLOAT": "0x%016\" PRIxPTR \"",
437    "UINT": "%u",
438}
439
440template_header_includes = """#include <GLES{major}/gl{major}{minor}.h>
441#include <export.h>"""
442
443template_sources_includes = """#include "libGLESv2/entry_points_{header_version}_autogen.h"
444
445#include "libANGLE/Context.h"
446#include "libANGLE/Context.inl.h"
447#include "libANGLE/capture_{header_version}_autogen.h"
448#include "libANGLE/gl_enum_utils.h"
449#include "libANGLE/validation{validation_header_version}.h"
450#include "libANGLE/entry_points_utils.h"
451#include "libGLESv2/global_state.h"
452"""
453
454template_header_includes_gl32 = """#include <export.h>
455#include "angle_gl.h"
456
457"""
458
459template_sources_includes_gl32 = """#include "libGL/entry_points_{}_autogen.h"
460
461#include "libANGLE/Context.h"
462#include "libANGLE/Context.inl.h"
463#include "libANGLE/gl_enum_utils.h"
464#include "libANGLE/validationEGL.h"
465#include "libANGLE/validationES.h"
466#include "libANGLE/validationES1.h"
467#include "libANGLE/validationES2.h"
468#include "libANGLE/validationES3.h"
469#include "libANGLE/validationES31.h"
470#include "libANGLE/validationES32.h"
471#include "libANGLE/validationESEXT.h"
472#include "libANGLE/validationGL{}{}_autogen.h"
473#include "libANGLE/entry_points_utils.h"
474#include "libGLESv2/global_state.h"
475"""
476
477template_event_comment = """// Don't run the EVENT() macro on the EXT_debug_marker entry points.
478    // It can interfere with the debug events being set by the caller.
479    // """
480
481template_capture_proto = "angle::CallCapture Capture%s(%s);"
482
483template_validation_proto = "bool Validate%s(%s);"
484
485template_windows_def_file = """; GENERATED FILE - DO NOT EDIT.
486; Generated by {script_name} using data from {data_source_name}.
487;
488; Copyright {year} The ANGLE Project Authors. All rights reserved.
489; Use of this source code is governed by a BSD-style license that can be
490; found in the LICENSE file.
491LIBRARY {lib}
492EXPORTS
493{exports}
494"""
495
496template_frame_capture_utils_header = """// GENERATED FILE - DO NOT EDIT.
497// Generated by {script_name} using data from {data_source_name}.
498//
499// Copyright {year} The ANGLE Project Authors. All rights reserved.
500// Use of this source code is governed by a BSD-style license that can be
501// found in the LICENSE file.
502//
503// frame_capture_utils_autogen.h:
504//   ANGLE Frame capture types and helper functions.
505
506#ifndef LIBANGLE_FRAME_CAPTURE_UTILS_AUTOGEN_H_
507#define LIBANGLE_FRAME_CAPTURE_UTILS_AUTOGEN_H_
508
509#include "common/PackedEnums.h"
510
511namespace angle
512{{
513enum class ParamType
514{{
515    {param_types}
516}};
517
518constexpr uint32_t kParamTypeCount = {param_type_count};
519
520union ParamValue
521{{
522    {param_union_values}
523}};
524
525template <ParamType PType, typename T>
526T GetParamVal(const ParamValue &value);
527
528{get_param_val_specializations}
529
530template <ParamType PType, typename T>
531T GetParamVal(const ParamValue &value)
532{{
533    UNREACHABLE();
534    return T();
535}}
536
537template <typename T>
538T AccessParamValue(ParamType paramType, const ParamValue &value)
539{{
540    switch (paramType)
541    {{
542{access_param_value_cases}
543    }}
544}}
545
546template <ParamType PType, typename T>
547void SetParamVal(T valueIn, ParamValue *valueOut);
548
549{set_param_val_specializations}
550
551template <ParamType PType, typename T>
552void SetParamVal(T valueIn, ParamValue *valueOut)
553{{
554    UNREACHABLE();
555}}
556
557template <typename T>
558void InitParamValue(ParamType paramType, T valueIn, ParamValue *valueOut)
559{{
560    switch (paramType)
561    {{
562{init_param_value_cases}
563    }}
564}}
565
566struct CallCapture;
567struct ParamCapture;
568
569void WriteParamCaptureReplay(std::ostream &os, const CallCapture &call, const ParamCapture &param);
570const char *ParamTypeToString(ParamType paramType);
571
572enum class ResourceIDType
573{{
574    {resource_id_types}
575}};
576
577ResourceIDType GetResourceIDTypeFromParamType(ParamType paramType);
578const char *GetResourceIDTypeName(ResourceIDType resourceIDType);
579}}  // namespace angle
580
581#endif  // LIBANGLE_FRAME_CAPTURE_UTILS_AUTOGEN_H_
582"""
583
584template_frame_capture_utils_source = """// GENERATED FILE - DO NOT EDIT.
585// Generated by {script_name} using data from {data_source_name}.
586//
587// Copyright {year} The ANGLE Project Authors. All rights reserved.
588// Use of this source code is governed by a BSD-style license that can be
589// found in the LICENSE file.
590//
591// frame_capture_utils_autogen.cpp:
592//   ANGLE Frame capture types and helper functions.
593
594#include "libANGLE/frame_capture_utils_autogen.h"
595
596#include "libANGLE/FrameCapture.h"
597
598namespace angle
599{{
600void WriteParamCaptureReplay(std::ostream &os, const CallCapture &call, const ParamCapture &param)
601{{
602    switch (param.type)
603    {{
604{write_param_type_to_stream_cases}
605        default:
606            os << "unknown";
607            break;
608    }}
609}}
610
611const char *ParamTypeToString(ParamType paramType)
612{{
613    switch (paramType)
614    {{
615{param_type_to_string_cases}
616        default:
617            UNREACHABLE();
618            return "unknown";
619    }}
620}}
621
622ResourceIDType GetResourceIDTypeFromParamType(ParamType paramType)
623{{
624    switch (paramType)
625    {{
626{param_type_resource_id_cases}
627        default:
628            return ResourceIDType::InvalidEnum;
629    }}
630}}
631
632const char *GetResourceIDTypeName(ResourceIDType resourceIDType)
633{{
634    switch (resourceIDType)
635    {{
636{resource_id_type_name_cases}
637        default:
638            UNREACHABLE();
639            return "GetResourceIDTypeName error";
640    }}
641}}
642}}  // namespace angle
643"""
644
645template_get_param_val_specialization = """template <>
646inline {type} GetParamVal<ParamType::T{enum}, {type}>(const ParamValue &value)
647{{
648    return value.{union_name};
649}}"""
650
651template_access_param_value_case = """        case ParamType::T{enum}:
652    return GetParamVal<ParamType::T{enum}, T>(value);"""
653
654template_set_param_val_specialization = """template <>
655inline void SetParamVal<ParamType::T{enum}>({type} valueIn, ParamValue *valueOut)
656{{
657    valueOut->{union_name} = valueIn;
658}}"""
659
660template_init_param_value_case = """        case ParamType::T{enum}:
661            SetParamVal<ParamType::T{enum}>(valueIn, valueOut);
662            break;"""
663
664template_write_param_type_to_stream_case = """        case ParamType::T{enum}:
665            WriteParamValueReplay<ParamType::T{enum}>(os, call, param.value.{union_name});
666            break;"""
667
668template_param_type_to_string_case = """        case ParamType::T{enum}:
669            return "{type}";"""
670
671template_param_type_to_resource_id_type_case = """        case ParamType::T{enum}:
672            return ResourceIDType::{resource_id_type};"""
673
674template_resource_id_type_name_case = """        case ResourceIDType::{resource_id_type}:
675            return "{resource_id_type}";"""
676
677
678def script_relative(path):
679    return os.path.join(os.path.dirname(sys.argv[0]), path)
680
681
682def format_entry_point_decl(cmd_name, proto, params, is_explicit_context):
683    comma_if_needed = ", " if len(params) > 0 else ""
684    return template_entry_point_decl.format(
685        name=cmd_name[2:],
686        return_type=proto[:-len(cmd_name)],
687        params=", ".join(params),
688        comma_if_needed=comma_if_needed,
689        explicit_context_suffix="ContextANGLE" if is_explicit_context else "",
690        explicit_context_param="GLeglContext ctx" if is_explicit_context else "",
691        explicit_context_comma=", " if is_explicit_context and len(params) > 0 else "")
692
693
694def type_name_sep_index(param):
695    space = param.rfind(" ")
696    pointer = param.rfind("*")
697    return max(space, pointer)
698
699
700def just_the_type(param):
701    if "*" in param:
702        return param[:type_name_sep_index(param) + 1]
703    return param[:type_name_sep_index(param)]
704
705
706def just_the_name(param):
707    return param[type_name_sep_index(param) + 1:]
708
709
710def make_param(param_type, param_name):
711    return param_type + " " + param_name
712
713
714def just_the_type_packed(param, entry):
715    name = just_the_name(param)
716    if entry.has_key(name):
717        return entry[name]
718    else:
719        return just_the_type(param)
720
721
722def just_the_name_packed(param, reserved_set):
723    name = just_the_name(param)
724    if name in reserved_set:
725        return name + 'Packed'
726    else:
727        return name
728
729
730def param_print_argument(command_node, param):
731    name_only = just_the_name(param)
732    type_only = just_the_type(param)
733
734    if "*" in param:
735        return "(uintptr_t)" + name_only
736
737    if type_only in reinterpret_cast_to_dict:
738        return "(" + reinterpret_cast_to_dict[type_only] + ")" + name_only
739
740    if type_only in static_cast_to_dict:
741        return "static_cast<" + static_cast_to_dict[type_only] + ">(" + name_only + ")"
742
743    if type_only == "GLboolean":
744        return "GLbooleanToString(%s)" % (name_only,)
745
746    if type_only == "GLbitfield":
747        group_name = find_gl_enum_group_in_command(command_node, name_only)
748        return "GLbitfieldToString(GLenumGroup::%s, %s).c_str()" % (group_name, name_only)
749
750    if type_only == "GLenum":
751        group_name = find_gl_enum_group_in_command(command_node, name_only)
752        return "GLenumToString(GLenumGroup::%s, %s)" % (group_name, name_only)
753
754    return name_only
755
756
757def param_format_string(param):
758    if "*" in param:
759        return param + " = 0x%016\" PRIxPTR \""
760    else:
761        type_only = just_the_type(param)
762        if type_only not in format_dict:
763            raise Exception(type_only + " is not a known type in 'format_dict'")
764
765        return param + " = " + format_dict[type_only]
766
767
768def default_return_value(cmd_name, return_type):
769    if return_type == "void":
770        return ""
771    return "GetDefaultReturnValue<EntryPoint::" + cmd_name[2:] + ", " + return_type + ">()"
772
773
774def get_context_getter_function(cmd_name, is_explicit_context):
775    if is_explicit_context:
776        return "static_cast<gl::Context *>(ctx)"
777
778    lost_context_acceptable_cmds = [
779        "glGetError",
780        "glGetSync",
781        "glGetQueryObjecti",
782        "glGetProgramiv",
783        "glGetGraphicsResetStatus",
784        "glGetShaderiv",
785    ]
786    for context_lost_entry_pont in lost_context_acceptable_cmds:
787        if cmd_name.startswith(context_lost_entry_pont):
788            return "GetGlobalContext()"
789    return "GetValidGlobalContext()"
790
791
792def strip_suffix(name):
793    for suffix in strip_suffixes:
794        if name.endswith(suffix):
795            name = name[0:-len(suffix)]
796    return name
797
798
799def find_gl_enum_group_in_command(command_node, param_name):
800    group_name = None
801    for param_node in command_node.findall('./param'):
802        if param_node.find('./name').text == param_name:
803            group_name = param_node.attrib.get('group', None)
804            break
805
806    if group_name is None or group_name in registry_xml.unsupported_enum_group_names:
807        group_name = registry_xml.default_enum_group_name
808
809    return group_name
810
811
812def get_packed_enums(cmd_packed_gl_enums, cmd_name):
813    # Always strip the suffix when querying packed enums.
814    return cmd_packed_gl_enums.get(strip_suffix(cmd_name), {})
815
816
817def format_entry_point_def(command_node, cmd_name, proto, params, is_explicit_context,
818                           cmd_packed_gl_enums):
819    packed_gl_enums = get_packed_enums(cmd_packed_gl_enums, cmd_name)
820    internal_params = [just_the_name_packed(param, packed_gl_enums) for param in params]
821    packed_gl_enum_conversions = []
822    for param in params:
823        name = just_the_name(param)
824        if name in packed_gl_enums:
825            internal_name = name + "Packed"
826            internal_type = packed_gl_enums[name]
827            packed_gl_enum_conversions += [
828                "\n        " + internal_type + " " + internal_name + " = FromGL<" + internal_type +
829                ">(" + name + ");"
830            ]
831
832    pass_params = [param_print_argument(command_node, param) for param in params]
833    format_params = [param_format_string(param) for param in params]
834    return_type = proto[:-len(cmd_name)]
835    default_return = default_return_value(cmd_name, return_type.strip())
836    event_comment = template_event_comment if cmd_name in no_event_marker_exceptions_list else ""
837    name_lower_no_suffix = strip_suffix(cmd_name[2:3].lower() + cmd_name[3:])
838
839    format_params = {
840        "name":
841            cmd_name[2:],
842        "name_lower_no_suffix":
843            name_lower_no_suffix,
844        "return_type":
845            return_type,
846        "params":
847            ", ".join(params),
848        "internal_params":
849            ", ".join(internal_params),
850        "packed_gl_enum_conversions":
851            "".join(packed_gl_enum_conversions),
852        "pass_params":
853            ", ".join(pass_params),
854        "comma_if_needed":
855            ", " if len(params) > 0 else "",
856        "validate_params":
857            ", ".join(["context"] + internal_params),
858        "format_params":
859            ", ".join(format_params),
860        "context_getter":
861            get_context_getter_function(cmd_name, is_explicit_context),
862        "event_comment":
863            event_comment,
864        "explicit_context_suffix":
865            "ContextANGLE" if is_explicit_context else "",
866        "explicit_context_param":
867            "GLeglContext ctx" if is_explicit_context else "",
868        "explicit_context_comma":
869            ", " if is_explicit_context and len(params) > 0 else "",
870        "assert_explicit_context":
871            "\nASSERT(context == GetValidGlobalContext());" if is_explicit_context else ""
872    }
873
874    if return_type.strip() == "void":
875        return template_entry_point_no_return.format(**format_params)
876    else:
877        return template_entry_point_with_return.format(**format_params)
878
879
880def get_capture_param_type_name(param_type):
881
882    pointer_count = param_type.count("*")
883    is_const = "const" in param_type.split()
884
885    param_type = param_type.replace("*", "").strip()
886    param_type = " ".join([param for param in param_type.split() if param != "const"])
887
888    if is_const:
889        param_type += "Const"
890    for x in range(pointer_count):
891        param_type += "Pointer"
892
893    return param_type
894
895
896def format_capture_method(command, cmd_name, proto, params, all_param_types, capture_pointer_funcs,
897                          cmd_packed_gl_enums):
898
899    packed_gl_enums = get_packed_enums(cmd_packed_gl_enums, cmd_name)
900
901    params_with_type = get_internal_params(
902        cmd_name, ["const State &glState", "bool isCallValid"] + params, cmd_packed_gl_enums)
903    params_just_name = ", ".join(
904        ["glState", "isCallValid"] +
905        [just_the_name_packed(param, packed_gl_enums) for param in params])
906
907    parameter_captures = []
908    for param in params:
909
910        param_name = just_the_name_packed(param, packed_gl_enums)
911        param_type = just_the_type_packed(param, packed_gl_enums).strip()
912
913        pointer_count = param_type.count("*")
914        param_type = get_capture_param_type_name(param_type)
915
916        if pointer_count > 0:
917            params = params_just_name
918            capture_name = "Capture%s_%s" % (cmd_name[2:], param_name)
919            capture = template_parameter_capture_pointer.format(
920                name=param_name, type=param_type, capture_name=capture_name, params=params)
921
922            capture_pointer_func = template_parameter_capture_pointer_func.format(
923                name=capture_name, params=params_with_type + ", angle::ParamCapture *paramCapture")
924            capture_pointer_funcs += [capture_pointer_func]
925        elif param_type in ('GLenum', 'GLbitfield'):
926            gl_enum_group = find_gl_enum_group_in_command(command, param_name)
927            capture = template_parameter_capture_gl_enum.format(
928                name=param_name, type=param_type, group=gl_enum_group)
929        else:
930            capture = template_parameter_capture_value.format(name=param_name, type=param_type)
931
932        all_param_types.add(param_type)
933
934        parameter_captures += [capture]
935
936    return_type = proto[:-len(cmd_name)].strip()
937
938    format_args = {
939        "full_name": cmd_name,
940        "short_name": cmd_name[2:],
941        "params_with_type": params_with_type,
942        "params_just_name": params_just_name,
943        "parameter_captures": "\n    ".join(parameter_captures),
944        "return_value_type_original": return_type,
945        "return_value_type_custom": get_capture_param_type_name(return_type)
946    }
947
948    if return_type == "void":
949        return template_capture_method_no_return_value.format(**format_args)
950    else:
951        return template_capture_method_with_return_value.format(**format_args)
952
953
954def const_pointer_type(param, packed_gl_enums):
955    type = just_the_type_packed(param, packed_gl_enums)
956    if "**" in type and "const" not in type:
957        return type.replace("**", "* const *")
958    elif "*" in type and "const" not in type:
959        return "const " + type
960    else:
961        return type
962
963
964def get_internal_params(cmd_name, params, cmd_packed_gl_enums):
965    packed_gl_enums = get_packed_enums(cmd_packed_gl_enums, cmd_name)
966    return ", ".join([
967        make_param(
968            just_the_type_packed(param, packed_gl_enums),
969            just_the_name_packed(param, packed_gl_enums)) for param in params
970    ])
971
972
973def get_validation_params(cmd_name, params, cmd_packed_gl_enums):
974    packed_gl_enums = get_packed_enums(cmd_packed_gl_enums, cmd_name)
975    return ", ".join([
976        make_param(
977            const_pointer_type(param, packed_gl_enums), just_the_name_packed(
978                param, packed_gl_enums)) for param in params
979    ])
980
981
982def format_context_decl(cmd_name, proto, params, template, cmd_packed_gl_enums):
983    internal_params = get_internal_params(cmd_name, params, cmd_packed_gl_enums)
984
985    return_type = proto[:-len(cmd_name)]
986    name_lower_no_suffix = cmd_name[2:3].lower() + cmd_name[3:]
987    name_lower_no_suffix = strip_suffix(name_lower_no_suffix)
988    maybe_const = " const" if name_lower_no_suffix.startswith(
989        "is") and name_lower_no_suffix[2].isupper() else ""
990
991    return template.format(
992        return_type=return_type,
993        name_lower_no_suffix=name_lower_no_suffix,
994        internal_params=internal_params,
995        maybe_const=maybe_const)
996
997
998def format_libgles_entry_point_def(cmd_name, proto, params, is_explicit_context):
999    internal_params = [just_the_name(param) for param in params]
1000    return_type = proto[:-len(cmd_name)]
1001
1002    return libgles_entry_point_def.format(
1003        name=cmd_name[2:],
1004        return_type=return_type,
1005        params=", ".join(params),
1006        internal_params=", ".join(internal_params),
1007        explicit_context_suffix="ContextANGLE" if is_explicit_context else "",
1008        explicit_context_param="GLeglContext ctx" if is_explicit_context else "",
1009        explicit_context_comma=", " if is_explicit_context and len(params) > 0 else "",
1010        explicit_context_internal_param="ctx" if is_explicit_context else "")
1011
1012
1013def format_validation_proto(cmd_name, params, cmd_packed_gl_enums):
1014    internal_params = get_validation_params(cmd_name, ["Context *context"] + params,
1015                                            cmd_packed_gl_enums)
1016    return template_validation_proto % (cmd_name[2:], internal_params)
1017
1018
1019def format_capture_proto(cmd_name, proto, params, cmd_packed_gl_enums):
1020    internal_params = get_internal_params(
1021        cmd_name, ["const State &glState", "bool isCallValid"] + params, cmd_packed_gl_enums)
1022    return_type = proto[:-len(cmd_name)].strip()
1023    if return_type != "void":
1024        internal_params += ", %s returnValue" % return_type
1025    return template_capture_proto % (cmd_name[2:], internal_params)
1026
1027
1028def path_to(folder, file):
1029    return os.path.join(script_relative(".."), "src", folder, file)
1030
1031
1032def get_entry_points(all_commands, commands, is_explicit_context, is_wgl, all_param_types,
1033                     cmd_packed_gl_enums):
1034    decls = []
1035    defs = []
1036    export_defs = []
1037    validation_protos = []
1038    capture_protos = []
1039    capture_methods = []
1040    capture_pointer_funcs = []
1041
1042    for command in all_commands:
1043        proto = command.find('proto')
1044        cmd_name = proto.find('name').text
1045
1046        if is_wgl:
1047            cmd_name = cmd_name if cmd_name[:3] == 'wgl' else 'wgl' + cmd_name
1048
1049        if cmd_name not in commands:
1050            continue
1051
1052        param_text = ["".join(param.itertext()) for param in command.findall('param')]
1053        proto_text = "".join(proto.itertext())
1054        decls.append(
1055            format_entry_point_decl(cmd_name, proto_text, param_text, is_explicit_context))
1056        defs.append(
1057            format_entry_point_def(command, cmd_name, proto_text, param_text, is_explicit_context,
1058                                   cmd_packed_gl_enums))
1059
1060        export_defs.append(
1061            format_libgles_entry_point_def(cmd_name, proto_text, param_text, is_explicit_context))
1062
1063        validation_protos.append(
1064            format_validation_proto(cmd_name, param_text, cmd_packed_gl_enums))
1065        capture_protos.append(
1066            format_capture_proto(cmd_name, proto_text, param_text, cmd_packed_gl_enums))
1067        capture_methods.append(
1068            format_capture_method(command, cmd_name, proto_text, param_text, all_param_types,
1069                                  capture_pointer_funcs, cmd_packed_gl_enums))
1070
1071    return decls, defs, export_defs, validation_protos, capture_protos, capture_methods, capture_pointer_funcs
1072
1073
1074def get_decls(formatter, all_commands, gles_commands, already_included, cmd_packed_gl_enums):
1075    decls = []
1076    for command in all_commands:
1077        proto = command.find('proto')
1078        cmd_name = proto.find('name').text
1079
1080        if cmd_name not in gles_commands:
1081            continue
1082
1083        name_no_suffix = strip_suffix(cmd_name)
1084        if name_no_suffix in already_included:
1085            continue
1086
1087        param_text = ["".join(param.itertext()) for param in command.findall('param')]
1088        proto_text = "".join(proto.itertext())
1089        decls.append(
1090            format_context_decl(cmd_name, proto_text, param_text, formatter, cmd_packed_gl_enums))
1091
1092    return decls
1093
1094
1095def get_glext_decls(all_commands, gles_commands, version, is_explicit_context):
1096    glext_ptrs = []
1097    glext_protos = []
1098    is_gles1 = False
1099
1100    if (version == ""):
1101        is_gles1 = True
1102
1103    for command in all_commands:
1104        proto = command.find('proto')
1105        cmd_name = proto.find('name').text
1106
1107        if cmd_name not in gles_commands:
1108            continue
1109
1110        param_text = ["".join(param.itertext()) for param in command.findall('param')]
1111        proto_text = "".join(proto.itertext())
1112
1113        return_type = proto_text[:-len(cmd_name)]
1114        params = ", ".join(param_text)
1115
1116        format_params = {
1117            "apicall": "GL_API" if is_gles1 else "GL_APICALL",
1118            "name": cmd_name,
1119            "name_upper": cmd_name.upper(),
1120            "return_type": return_type,
1121            "params": params,
1122            "explicit_context_comma": ", " if is_explicit_context and len(params) > 0 else "",
1123            "explicit_context_suffix": "ContextANGLE" if is_explicit_context else "",
1124            "explicit_context_suffix_upper": "CONTEXTANGLE" if is_explicit_context else "",
1125            "explicit_context_param": "GLeglContext ctx" if is_explicit_context else ""
1126        }
1127
1128        glext_ptrs.append(template_glext_function_pointer.format(**format_params))
1129        glext_protos.append(template_glext_function_prototype.format(**format_params))
1130
1131    return glext_ptrs, glext_protos
1132
1133
1134def write_file(annotation, comment, template, entry_points, suffix, includes, lib, file):
1135    content = template.format(
1136        script_name=os.path.basename(sys.argv[0]),
1137        data_source_name=file,
1138        year=date.today().year,
1139        annotation_lower=annotation.lower(),
1140        annotation_upper=annotation.upper(),
1141        comment=comment,
1142        lib=lib.upper(),
1143        includes=includes,
1144        entry_points=entry_points)
1145
1146    path = path_to(lib, "entry_points_{}_autogen.{}".format(annotation.lower(), suffix))
1147
1148    with open(path, "w") as out:
1149        out.write(content)
1150        out.close()
1151
1152
1153def write_export_files(entry_points, includes, source, lib_name, lib_description):
1154    content = template_lib_entry_point_source.format(
1155        script_name=os.path.basename(sys.argv[0]),
1156        data_source_name=source,
1157        year=date.today().year,
1158        lib_name=lib_name,
1159        lib_description=lib_description,
1160        includes=includes,
1161        entry_points=entry_points)
1162
1163    path = path_to(lib_name, "{}_autogen.cpp".format(lib_name))
1164
1165    with open(path, "w") as out:
1166        out.write(content)
1167        out.close()
1168
1169
1170def write_context_api_decls(template, decls, api):
1171    for ver in decls['core'].keys():
1172        interface_lines = []
1173
1174        for i in decls['core'][ver]:
1175            interface_lines.append(i)
1176
1177        annotation = '{}_{}_{}'.format(api, ver[0], ver[1])
1178        version = '{}_{}'.format(ver[0], ver[1])
1179
1180        content = template.format(
1181            annotation_lower=annotation.lower(),
1182            annotation_upper=annotation.upper(),
1183            script_name=os.path.basename(sys.argv[0]),
1184            data_source_name="gl.xml",
1185            year=date.today().year,
1186            version=version,
1187            interface="\n".join(interface_lines))
1188
1189        path = path_to("libANGLE", "Context_%s_autogen.h" % annotation.lower())
1190
1191        with open(path, "w") as out:
1192            out.write(content)
1193            out.close()
1194
1195    if 'exts' in decls.keys():
1196        interface_lines = []
1197        for annotation in decls['exts'].keys():
1198            interface_lines.append("\\\n    /* " + annotation + " */ \\\n\\")
1199
1200            for extname in sorted(decls['exts'][annotation].keys()):
1201                interface_lines.append("    /* " + extname + " */ \\")
1202                interface_lines.extend(decls['exts'][annotation][extname])
1203
1204        content = template.format(
1205            annotation_lower='gles_ext',
1206            annotation_upper='GLES_EXT',
1207            script_name=os.path.basename(sys.argv[0]),
1208            data_source_name="gl.xml",
1209            year=date.today().year,
1210            version='EXT',
1211            interface="\n".join(interface_lines))
1212
1213        path = path_to("libANGLE", "Context_gles_ext_autogen.h")
1214
1215        with open(path, "w") as out:
1216            out.write(content)
1217            out.close()
1218
1219
1220def write_glext_explicit_context_inc(version, ptrs, protos):
1221    possible_versions = ["31", "32"]
1222    folder_version = version if version not in possible_versions else "3"
1223
1224    content = template_glext_explicit_context_inc.format(
1225        script_name=os.path.basename(sys.argv[0]),
1226        data_source_name="gl.xml and gl_angle_ext.xml",
1227        year=date.today().year,
1228        version=version,
1229        function_pointers=ptrs,
1230        function_prototypes=protos)
1231
1232    path = os.path.join(
1233        script_relative(".."), "include", "GLES{}".format(folder_version),
1234        "gl{}ext_explicit_context_autogen.inc".format(version))
1235
1236    with open(path, "w") as out:
1237        out.write(content)
1238        out.close()
1239
1240
1241def write_validation_header(annotation, comment, protos, source):
1242    content = template_validation_header.format(
1243        script_name=os.path.basename(sys.argv[0]),
1244        data_source_name=source,
1245        year=date.today().year,
1246        annotation=annotation,
1247        comment=comment,
1248        prototypes="\n".join(protos))
1249
1250    path = path_to("libANGLE", "validation%s_autogen.h" % annotation)
1251
1252    with open(path, "w") as out:
1253        out.write(content)
1254        out.close()
1255
1256
1257def write_capture_header(annotation, comment, protos, capture_pointer_funcs):
1258    content = template_capture_header.format(
1259        script_name=os.path.basename(sys.argv[0]),
1260        data_source_name="gl.xml and gl_angle_ext.xml",
1261        year=date.today().year,
1262        annotation=annotation,
1263        comment=comment,
1264        prototypes="\n".join(["\n// Method Captures\n"] + protos + ["\n// Parameter Captures\n"] +
1265                             capture_pointer_funcs))
1266
1267    path = path_to("libANGLE", "capture_gles_%s_autogen.h" % annotation)
1268
1269    with open(path, "w") as out:
1270        out.write(content)
1271        out.close()
1272
1273
1274def write_capture_source(annotation_with_dash, annotation_no_dash, comment, capture_methods):
1275    content = template_capture_source.format(
1276        script_name=os.path.basename(sys.argv[0]),
1277        data_source_name="gl.xml and gl_angle_ext.xml",
1278        year=date.today().year,
1279        annotation_with_dash=annotation_with_dash,
1280        annotation_no_dash=annotation_no_dash,
1281        comment=comment,
1282        capture_methods="\n".join(capture_methods))
1283
1284    path = path_to("libANGLE", "capture_gles_%s_autogen.cpp" % annotation_with_dash)
1285
1286    with open(path, "w") as out:
1287        out.write(content)
1288        out.close()
1289
1290
1291def is_packed_enum_param_type(param_type):
1292    return param_type[0:2] != "GL" and "void" not in param_type
1293
1294
1295def get_gl_pointer_type(param_type):
1296
1297    if "ConstPointerPointer" in param_type:
1298        return "const " + param_type.replace("ConstPointerPointer", "") + " * const *"
1299
1300    if "ConstPointer" in param_type:
1301        return "const " + param_type.replace("ConstPointer", "") + " *"
1302
1303    if "PointerPointer" in param_type:
1304        return param_type.replace("PointerPointer", "") + " **"
1305
1306    if "Pointer" in param_type:
1307        return param_type.replace("Pointer", "") + " *"
1308
1309    return param_type
1310
1311
1312def get_param_type_type(param_type):
1313
1314    if is_packed_enum_param_type(param_type):
1315        param_type = "gl::" + param_type
1316
1317    return get_gl_pointer_type(param_type)
1318
1319
1320def get_gl_param_type_type(param_type):
1321    if not is_packed_enum_param_type(param_type):
1322        return get_gl_pointer_type(param_type)
1323    else:
1324        base_type = param_type.replace("Pointer", "").replace("Const", "")
1325        if base_type[-2:] == "ID":
1326            replace_type = "GLuint"
1327        else:
1328            replace_type = "GLenum"
1329        param_type = param_type.replace(base_type, replace_type)
1330        return get_gl_pointer_type(param_type)
1331
1332
1333def get_param_type_union_name(param_type):
1334    return param_type + "Val"
1335
1336
1337def format_param_type_union_type(param_type):
1338    return "%s %s;" % (get_param_type_type(param_type), get_param_type_union_name(param_type))
1339
1340
1341def format_get_param_val_specialization(param_type):
1342    return template_get_param_val_specialization.format(
1343        enum=param_type,
1344        type=get_param_type_type(param_type),
1345        union_name=get_param_type_union_name(param_type))
1346
1347
1348def format_access_param_value_case(param_type):
1349    return template_access_param_value_case.format(enum=param_type)
1350
1351
1352def format_set_param_val_specialization(param_type):
1353    return template_set_param_val_specialization.format(
1354        enum=param_type,
1355        type=get_param_type_type(param_type),
1356        union_name=get_param_type_union_name(param_type))
1357
1358
1359def format_init_param_value_case(param_type):
1360    return template_init_param_value_case.format(enum=param_type)
1361
1362
1363def format_write_param_type_to_stream_case(param_type):
1364    return template_write_param_type_to_stream_case.format(
1365        enum=param_type, union_name=get_param_type_union_name(param_type))
1366
1367
1368def get_resource_id_types(all_param_types):
1369    return [t[:-2] for t in filter(lambda t: t.endswith("ID"), all_param_types)]
1370
1371
1372def format_resource_id_types(all_param_types):
1373    resource_id_types = get_resource_id_types(all_param_types)
1374    resource_id_types += ["EnumCount", "InvalidEnum = EnumCount"]
1375    resource_id_types = ",\n    ".join(resource_id_types)
1376    return resource_id_types
1377
1378
1379def write_capture_helper_header(all_param_types):
1380
1381    param_types = "\n    ".join(["T%s," % t for t in all_param_types])
1382    param_union_values = "\n    ".join([format_param_type_union_type(t) for t in all_param_types])
1383    get_param_val_specializations = "\n\n".join(
1384        [format_get_param_val_specialization(t) for t in all_param_types])
1385    access_param_value_cases = "\n".join(
1386        [format_access_param_value_case(t) for t in all_param_types])
1387    set_param_val_specializations = "\n\n".join(
1388        [format_set_param_val_specialization(t) for t in all_param_types])
1389    init_param_value_cases = "\n".join([format_init_param_value_case(t) for t in all_param_types])
1390    resource_id_types = format_resource_id_types(all_param_types)
1391
1392    content = template_frame_capture_utils_header.format(
1393        script_name=os.path.basename(sys.argv[0]),
1394        data_source_name="gl.xml and gl_angle_ext.xml",
1395        year=date.today().year,
1396        param_types=param_types,
1397        param_type_count=len(all_param_types),
1398        param_union_values=param_union_values,
1399        get_param_val_specializations=get_param_val_specializations,
1400        access_param_value_cases=access_param_value_cases,
1401        set_param_val_specializations=set_param_val_specializations,
1402        init_param_value_cases=init_param_value_cases,
1403        resource_id_types=resource_id_types)
1404
1405    path = path_to("libANGLE", "frame_capture_utils_autogen.h")
1406
1407    with open(path, "w") as out:
1408        out.write(content)
1409        out.close()
1410
1411
1412def format_param_type_to_string_case(param_type):
1413    return template_param_type_to_string_case.format(
1414        enum=param_type, type=get_gl_param_type_type(param_type))
1415
1416
1417def get_resource_id_type_from_param_type(param_type):
1418    if param_type.endswith("ConstPointer"):
1419        return param_type.replace("ConstPointer", "")[:-2]
1420    if param_type.endswith("Pointer"):
1421        return param_type.replace("Pointer", "")[:-2]
1422    return param_type[:-2]
1423
1424
1425def format_param_type_to_resource_id_type_case(param_type):
1426    return template_param_type_to_resource_id_type_case.format(
1427        enum=param_type, resource_id_type=get_resource_id_type_from_param_type(param_type))
1428
1429
1430def format_param_type_resource_id_cases(all_param_types):
1431    id_types = filter(
1432        lambda t: t.endswith("ID") or t.endswith("IDConstPointer") or t.endswith("IDPointer"),
1433        all_param_types)
1434    return "\n".join([format_param_type_to_resource_id_type_case(t) for t in id_types])
1435
1436
1437def format_resource_id_type_name_case(resource_id_type):
1438    return template_resource_id_type_name_case.format(resource_id_type=resource_id_type)
1439
1440
1441def write_capture_helper_source(all_param_types):
1442
1443    write_param_type_to_stream_cases = "\n".join(
1444        [format_write_param_type_to_stream_case(t) for t in all_param_types])
1445    param_type_to_string_cases = "\n".join(
1446        [format_param_type_to_string_case(t) for t in all_param_types])
1447
1448    param_type_resource_id_cases = format_param_type_resource_id_cases(all_param_types)
1449
1450    resource_id_types = get_resource_id_types(all_param_types)
1451    resource_id_type_name_cases = "\n".join(
1452        [format_resource_id_type_name_case(t) for t in resource_id_types])
1453
1454    content = template_frame_capture_utils_source.format(
1455        script_name=os.path.basename(sys.argv[0]),
1456        data_source_name="gl.xml and gl_angle_ext.xml",
1457        year=date.today().year,
1458        write_param_type_to_stream_cases=write_param_type_to_stream_cases,
1459        param_type_to_string_cases=param_type_to_string_cases,
1460        param_type_resource_id_cases=param_type_resource_id_cases,
1461        resource_id_type_name_cases=resource_id_type_name_cases)
1462
1463    path = path_to("libANGLE", "frame_capture_utils_autogen.cpp")
1464
1465    with open(path, "w") as out:
1466        out.write(content)
1467        out.close()
1468
1469
1470def get_command_params_text(command_node, cmd_name):
1471    param_text_list = list()
1472    for param_node in command_node.findall('param'):
1473        param_text_list.append("".join(param_node.itertext()))
1474    return param_text_list
1475
1476
1477def is_get_pointer_command(command_name):
1478    return command_name.endswith('Pointerv') and command_name.startswith('glGet')
1479
1480
1481def format_capture_replay_param_access(command_name, param_text_list, cmd_packed_gl_enums):
1482    param_access_strs = list()
1483    cmd_packed_enums = get_packed_enums(cmd_packed_gl_enums, command_name)
1484    for i, param_text in enumerate(param_text_list):
1485        param_type = just_the_type_packed(param_text, cmd_packed_enums)
1486        param_name = just_the_name_packed(param_text, cmd_packed_enums)
1487
1488        pointer_count = param_type.count('*')
1489        is_const = 'const' in param_type
1490        if pointer_count == 0:
1491            param_template = 'params.getParam("{name}", ParamType::T{enum_type}, {index}).value.{enum_type}Val'
1492        elif pointer_count == 1 and is_const:
1493            param_template = 'replayContext->getAsConstPointer<{type}>(params.getParam("{name}", ParamType::T{enum_type}, {index}))'
1494        elif pointer_count == 2 and is_const:
1495            param_template = 'replayContext->getAsPointerConstPointer<{type}>(params.getParam("{name}", ParamType::T{enum_type}, {index}))'
1496        elif pointer_count == 1 or (pointer_count == 2 and is_get_pointer_command(command_name)):
1497            param_template = 'replayContext->getReadBufferPointer<{type}>(params.getParam("{name}", ParamType::T{enum_type}, {index}))'
1498        else:
1499            assert False, "Not supported param type %s" % param_type
1500
1501        param_access_strs.append(
1502            param_template.format(
1503                index=i,
1504                name=param_name,
1505                type=param_type,
1506                enum_type=get_capture_param_type_name(param_type)))
1507    return ",".join(param_access_strs)
1508
1509
1510def format_capture_replay_call_case(command_to_param_types_mapping, cmd_packed_gl_enums):
1511    call_str_list = list()
1512    for command_name, cmd_param_texts in sorted(command_to_param_types_mapping.items()):
1513        entry_point_name = command_name[2:]  # strip the 'gl' prefix
1514
1515        call_str_list.append(
1516            template_capture_replay_call_case.format(
1517                entry_point=entry_point_name,
1518                param_value_access=format_capture_replay_param_access(
1519                    command_name, cmd_param_texts, cmd_packed_gl_enums),
1520                context_call=entry_point_name[0].lower() + entry_point_name[1:],
1521            ))
1522
1523    return '\n'.join(call_str_list)
1524
1525
1526def write_capture_replay_source(all_commands_nodes, gles_command_names, cmd_packed_gl_enums):
1527    all_commands_names = set(gles_command_names)
1528
1529    command_to_param_types_mapping = dict()
1530    for command_node in all_commands_nodes:
1531        command_name = command_node.find('proto').find('name').text
1532        if command_name not in all_commands_names:
1533            continue
1534
1535        command_to_param_types_mapping[command_name] = get_command_params_text(
1536            command_node, command_name)
1537
1538    call_replay_cases = format_capture_replay_call_case(command_to_param_types_mapping,
1539                                                        cmd_packed_gl_enums)
1540
1541    source_content = template_capture_replay_source.format(
1542        script_name=os.path.basename(sys.argv[0]),
1543        data_source_name="gl.xml and gl_angle_ext.xml",
1544        year=date.today().year,
1545        call_replay_cases=call_replay_cases,
1546    )
1547    source_file_path = registry_xml.script_relative(
1548        "../src/libANGLE/frame_capture_replay_autogen.cpp")
1549    with open(source_file_path, 'w') as f:
1550        f.write(source_content)
1551
1552
1553def write_windows_def_file(data_source_name, lib, libexport, folder, exports):
1554
1555    content = template_windows_def_file.format(
1556        script_name=os.path.basename(sys.argv[0]),
1557        data_source_name=data_source_name,
1558        exports="\n".join(exports),
1559        year=date.today().year,
1560        lib=libexport)
1561
1562    path = path_to(folder, "%s_autogen.def" % lib)
1563
1564    with open(path, "w") as out:
1565        out.write(content)
1566        out.close()
1567
1568
1569def get_exports(commands, fmt=None):
1570    if fmt:
1571        return ["    %s" % fmt(cmd) for cmd in sorted(commands)]
1572    else:
1573        return ["    %s" % cmd for cmd in sorted(commands)]
1574
1575
1576# Get EGL exports
1577def get_egl_exports():
1578
1579    egl = registry_xml.RegistryXML('egl.xml', 'egl_angle_ext.xml')
1580    exports = []
1581
1582    capser = lambda fn: "EGL_" + fn[3:]
1583
1584    for major, minor in [[1, 0], [1, 1], [1, 2], [1, 3], [1, 4], [1, 5]]:
1585        annotation = "{}_{}".format(major, minor)
1586        name_prefix = "EGL_VERSION_"
1587
1588        feature_name = "{}{}".format(name_prefix, annotation)
1589
1590        egl.AddCommands(feature_name, annotation)
1591
1592        commands = egl.commands[annotation]
1593
1594        if len(commands) == 0:
1595            continue
1596
1597        exports.append("\n    ; EGL %d.%d" % (major, minor))
1598        exports += get_exports(commands, capser)
1599
1600    egl.AddExtensionCommands(registry_xml.supported_egl_extensions, ['egl'])
1601
1602    for extension_name, ext_cmd_names in sorted(egl.ext_data.iteritems()):
1603
1604        if len(ext_cmd_names) == 0:
1605            continue
1606
1607        exports.append("\n    ; %s" % extension_name)
1608        exports += get_exports(ext_cmd_names, capser)
1609
1610    return exports
1611
1612
1613def main():
1614
1615    # auto_script parameters.
1616    if len(sys.argv) > 1:
1617        inputs = ['entry_point_packed_gl_enums.json'] + registry_xml.xml_inputs
1618        outputs = [
1619            '../src/libANGLE/Context_gl_1_0_autogen.h',
1620            '../src/libANGLE/Context_gl_1_1_autogen.h',
1621            '../src/libANGLE/Context_gl_1_2_autogen.h',
1622            '../src/libANGLE/Context_gl_1_3_autogen.h',
1623            '../src/libANGLE/Context_gl_1_4_autogen.h',
1624            '../src/libANGLE/Context_gl_1_5_autogen.h',
1625            '../src/libANGLE/Context_gl_2_0_autogen.h',
1626            '../src/libANGLE/Context_gl_2_1_autogen.h',
1627            '../src/libANGLE/Context_gl_3_0_autogen.h',
1628            '../src/libANGLE/Context_gl_3_1_autogen.h',
1629            '../src/libANGLE/Context_gl_3_2_autogen.h',
1630            '../src/libANGLE/Context_gl_3_3_autogen.h',
1631            '../src/libANGLE/Context_gl_4_0_autogen.h',
1632            '../src/libANGLE/Context_gl_4_1_autogen.h',
1633            '../src/libANGLE/Context_gl_4_2_autogen.h',
1634            '../src/libANGLE/Context_gl_4_3_autogen.h',
1635            '../src/libANGLE/Context_gl_4_4_autogen.h',
1636            '../src/libANGLE/Context_gl_4_5_autogen.h',
1637            '../src/libANGLE/Context_gl_4_6_autogen.h',
1638            '../src/libANGLE/Context_gles_1_0_autogen.h',
1639            '../src/libANGLE/Context_gles_2_0_autogen.h',
1640            '../src/libANGLE/Context_gles_3_0_autogen.h',
1641            '../src/libANGLE/Context_gles_3_1_autogen.h',
1642            '../src/libANGLE/Context_gles_3_2_autogen.h',
1643            '../src/libANGLE/Context_gles_ext_autogen.h',
1644            '../src/libANGLE/capture_gles_1_0_autogen.cpp',
1645            '../src/libANGLE/capture_gles_1_0_autogen.h',
1646            '../src/libANGLE/capture_gles_2_0_autogen.cpp',
1647            '../src/libANGLE/capture_gles_2_0_autogen.h',
1648            '../src/libANGLE/capture_gles_3_0_autogen.cpp',
1649            '../src/libANGLE/capture_gles_3_0_autogen.h',
1650            '../src/libANGLE/capture_gles_3_1_autogen.cpp',
1651            '../src/libANGLE/capture_gles_3_1_autogen.h',
1652            '../src/libANGLE/capture_gles_3_2_autogen.cpp',
1653            '../src/libANGLE/capture_gles_3_2_autogen.h',
1654            '../src/libANGLE/capture_gles_ext_autogen.cpp',
1655            '../src/libANGLE/capture_gles_ext_autogen.h',
1656            '../src/libANGLE/frame_capture_replay_autogen.cpp',
1657            '../src/libANGLE/frame_capture_utils_autogen.cpp',
1658            '../src/libANGLE/frame_capture_utils_autogen.h',
1659            '../src/libANGLE/entry_points_enum_autogen.cpp',
1660            '../src/libANGLE/entry_points_enum_autogen.h',
1661            '../src/libANGLE/validationES1_autogen.h',
1662            '../src/libANGLE/validationES2_autogen.h',
1663            '../src/libANGLE/validationES31_autogen.h',
1664            '../src/libANGLE/validationES32_autogen.h',
1665            '../src/libANGLE/validationES3_autogen.h',
1666            '../src/libANGLE/validationESEXT_autogen.h',
1667            '../src/libANGLE/validationGL1_autogen.h',
1668            '../src/libANGLE/validationGL2_autogen.h',
1669            '../src/libANGLE/validationGL3_autogen.h',
1670            '../src/libANGLE/validationGL4_autogen.h',
1671            '../src/libANGLE/validationGL11_autogen.h',
1672            '../src/libANGLE/validationGL12_autogen.h',
1673            '../src/libANGLE/validationGL13_autogen.h',
1674            '../src/libANGLE/validationGL14_autogen.h',
1675            '../src/libANGLE/validationGL15_autogen.h',
1676            '../src/libANGLE/validationGL21_autogen.h',
1677            '../src/libANGLE/validationGL31_autogen.h',
1678            '../src/libANGLE/validationGL32_autogen.h',
1679            '../src/libANGLE/validationGL33_autogen.h',
1680            '../src/libANGLE/validationGL41_autogen.h',
1681            '../src/libANGLE/validationGL42_autogen.h',
1682            '../src/libANGLE/validationGL43_autogen.h',
1683            '../src/libANGLE/validationGL44_autogen.h',
1684            '../src/libANGLE/validationGL45_autogen.h',
1685            '../src/libANGLE/validationGL46_autogen.h',
1686            '../src/libGLESv2/entry_points_gles_1_0_autogen.cpp',
1687            '../src/libGLESv2/entry_points_gles_1_0_autogen.h',
1688            '../src/libGLESv2/entry_points_gles_2_0_autogen.cpp',
1689            '../src/libGLESv2/entry_points_gles_2_0_autogen.h',
1690            '../src/libGLESv2/entry_points_gles_3_0_autogen.cpp',
1691            '../src/libGLESv2/entry_points_gles_3_0_autogen.h',
1692            '../src/libGLESv2/entry_points_gles_3_1_autogen.cpp',
1693            '../src/libGLESv2/entry_points_gles_3_1_autogen.h',
1694            '../src/libGLESv2/entry_points_gles_3_2_autogen.cpp',
1695            '../src/libGLESv2/entry_points_gles_3_2_autogen.h',
1696            '../src/libGLESv2/entry_points_gles_ext_autogen.cpp',
1697            '../src/libGLESv2/entry_points_gles_ext_autogen.h',
1698            '../src/libGLESv2/libGLESv2_autogen.cpp',
1699            '../src/libGLESv2/libGLESv2_autogen.def',
1700            '../src/libGLESv2/libGLESv2_no_capture_autogen.def',
1701            '../src/libGLESv2/libGLESv2_with_capture_autogen.def',
1702            '../src/libGL/entry_points_gl_1_0_autogen.cpp',
1703            '../src/libGL/entry_points_gl_1_0_autogen.h',
1704            '../src/libGL/entry_points_gl_1_1_autogen.cpp',
1705            '../src/libGL/entry_points_gl_1_1_autogen.h',
1706            '../src/libGL/entry_points_gl_1_2_autogen.cpp',
1707            '../src/libGL/entry_points_gl_1_2_autogen.h',
1708            '../src/libGL/entry_points_gl_1_3_autogen.cpp',
1709            '../src/libGL/entry_points_gl_1_3_autogen.h',
1710            '../src/libGL/entry_points_gl_1_4_autogen.cpp',
1711            '../src/libGL/entry_points_gl_1_4_autogen.h',
1712            '../src/libGL/entry_points_gl_1_5_autogen.cpp',
1713            '../src/libGL/entry_points_gl_1_5_autogen.h',
1714            '../src/libGL/entry_points_gl_2_0_autogen.cpp',
1715            '../src/libGL/entry_points_gl_2_0_autogen.h',
1716            '../src/libGL/entry_points_gl_2_1_autogen.cpp',
1717            '../src/libGL/entry_points_gl_2_1_autogen.h',
1718            '../src/libGL/entry_points_gl_3_0_autogen.cpp',
1719            '../src/libGL/entry_points_gl_3_0_autogen.h',
1720            '../src/libGL/entry_points_gl_3_1_autogen.cpp',
1721            '../src/libGL/entry_points_gl_3_1_autogen.h',
1722            '../src/libGL/entry_points_gl_3_2_autogen.cpp',
1723            '../src/libGL/entry_points_gl_3_2_autogen.h',
1724            '../src/libGL/entry_points_gl_3_3_autogen.cpp',
1725            '../src/libGL/entry_points_gl_3_3_autogen.h',
1726            '../src/libGL/entry_points_gl_4_0_autogen.cpp',
1727            '../src/libGL/entry_points_gl_4_0_autogen.h',
1728            '../src/libGL/entry_points_gl_4_1_autogen.cpp',
1729            '../src/libGL/entry_points_gl_4_1_autogen.h',
1730            '../src/libGL/entry_points_gl_4_2_autogen.cpp',
1731            '../src/libGL/entry_points_gl_4_2_autogen.h',
1732            '../src/libGL/entry_points_gl_4_3_autogen.cpp',
1733            '../src/libGL/entry_points_gl_4_3_autogen.h',
1734            '../src/libGL/entry_points_gl_4_4_autogen.cpp',
1735            '../src/libGL/entry_points_gl_4_4_autogen.h',
1736            '../src/libGL/entry_points_gl_4_5_autogen.cpp',
1737            '../src/libGL/entry_points_gl_4_5_autogen.h',
1738            '../src/libGL/entry_points_gl_4_6_autogen.cpp',
1739            '../src/libGL/entry_points_gl_4_6_autogen.h',
1740            '../src/libGL/libGL_autogen.cpp',
1741            '../src/libGL/libGL_autogen.def',
1742        ]
1743
1744        if sys.argv[1] == 'inputs':
1745            print ','.join(inputs)
1746        elif sys.argv[1] == 'outputs':
1747            print ','.join(outputs)
1748        else:
1749            print('Invalid script parameters')
1750            return 1
1751        return 0
1752
1753    with open(script_relative('entry_point_packed_gl_enums.json')) as f:
1754        cmd_packed_gl_enums = json.loads(f.read())
1755
1756    glesdecls = {}
1757    glesdecls['core'] = {}
1758    glesdecls['exts'] = {}
1759    for ver in [(1, 0), (2, 0), (3, 0), (3, 1), (3, 2)]:
1760        glesdecls['core'][ver] = []
1761    for ver in ['GLES1 Extensions', 'GLES2+ Extensions', 'ANGLE Extensions']:
1762        glesdecls['exts'][ver] = {}
1763
1764    libgles_ep_defs = []
1765    libgles_ep_exports = []
1766
1767    xml = registry_xml.RegistryXML('gl.xml', 'gl_angle_ext.xml')
1768
1769    # Stores core commands to keep track of duplicates
1770    all_commands_no_suffix = []
1771    all_commands_with_suffix = []
1772    all_gles_param_types = set()
1773
1774    # First run through the main GLES entry points.  Since ES2+ is the primary use
1775    # case, we go through those first and then add ES1-only APIs at the end.
1776    versions = [[2, 0], [3, 0], [3, 1], [3, 2], [1, 0]]
1777    for major_version, minor_version in versions:
1778        version = "{}_{}".format(major_version, minor_version)
1779        annotation = "GLES_{}".format(version)
1780        name_prefix = "GL_ES_VERSION_"
1781
1782        if major_version == 1:
1783            name_prefix = "GL_VERSION_ES_CM_"
1784
1785        comment = version.replace("_", ".")
1786        feature_name = "{}{}".format(name_prefix, version)
1787
1788        xml.AddCommands(feature_name, version)
1789
1790        gles_commands = xml.commands[version]
1791        all_commands = xml.all_commands
1792        all_commands_no_suffix.extend(xml.commands[version])
1793        all_commands_with_suffix.extend(xml.commands[version])
1794
1795        decls, defs, libgles_defs, validation_protos, capture_protos, capture_methods, capture_pointer_funcs = get_entry_points(
1796            all_commands, gles_commands, False, False, all_gles_param_types, cmd_packed_gl_enums)
1797
1798        # Write the version as a comment before the first EP.
1799        libgles_defs.insert(0, "\n// OpenGL ES %s" % comment)
1800        libgles_ep_exports.append("\n    ; OpenGL ES %s" % comment)
1801
1802        libgles_ep_defs += libgles_defs
1803        libgles_ep_exports += get_exports(gles_commands)
1804
1805        major_if_not_one = major_version if major_version != 1 else ""
1806        minor_if_not_zero = minor_version if minor_version != 0 else ""
1807
1808        header_includes = template_header_includes.format(
1809            major=major_if_not_one, minor=minor_if_not_zero)
1810
1811        # We include the platform.h header since it undefines the conflicting MemoryBarrier macro.
1812        if major_version == 3 and minor_version == 1:
1813            header_includes += "\n#include \"common/platform.h\"\n"
1814
1815        version_annotation = "%s%s" % (major_version, minor_if_not_zero)
1816        source_includes = template_sources_includes.format(
1817            header_version=annotation.lower(), validation_header_version="ES" + version_annotation)
1818
1819        write_file(annotation, "GLES " + comment, template_entry_point_header, "\n".join(decls),
1820                   "h", header_includes, "libGLESv2", "gl.xml")
1821        write_file(annotation, "GLES " + comment, template_entry_point_source, "\n".join(defs),
1822                   "cpp", source_includes, "libGLESv2", "gl.xml")
1823
1824        glesdecls['core'][(major_version, minor_version)] = get_decls(
1825            context_decl_format, all_commands, gles_commands, [], cmd_packed_gl_enums)
1826
1827        validation_annotation = "ES%s%s" % (major_version, minor_if_not_zero)
1828        write_validation_header(validation_annotation, "ES %s" % comment, validation_protos,
1829                                "gl.xml and gl_angle_ext.xml")
1830
1831        write_capture_header(version, comment, capture_protos, capture_pointer_funcs)
1832        write_capture_source(version, validation_annotation, comment, capture_methods)
1833
1834    # After we finish with the main entry points, we process the extensions.
1835    extension_defs = []
1836    extension_decls = []
1837    extension_commands = []
1838
1839    # Accumulated validation prototypes.
1840    ext_validation_protos = []
1841    ext_capture_protos = []
1842    ext_capture_methods = []
1843    ext_capture_param_funcs = []
1844
1845    for gles1ext in registry_xml.gles1_extensions:
1846        glesdecls['exts']['GLES1 Extensions'][gles1ext] = []
1847    for glesext in registry_xml.gles_extensions:
1848        glesdecls['exts']['GLES2+ Extensions'][glesext] = []
1849    for angle_ext in registry_xml.angle_extensions:
1850        glesdecls['exts']['ANGLE Extensions'][angle_ext] = []
1851
1852    xml.AddExtensionCommands(registry_xml.supported_extensions, ['gles2', 'gles1'])
1853
1854    for extension_name, ext_cmd_names in sorted(xml.ext_data.iteritems()):
1855        extension_commands.extend(xml.ext_data[extension_name])
1856
1857        # Detect and filter duplicate extensions.
1858        decls, defs, libgles_defs, validation_protos, capture_protos, capture_methods, capture_param_funcs = get_entry_points(
1859            xml.all_commands, ext_cmd_names, False, False, all_gles_param_types,
1860            cmd_packed_gl_enums)
1861
1862        # Avoid writing out entry points defined by a prior extension.
1863        for dupe in xml.ext_dupes[extension_name]:
1864            msg = "// {} is already defined.\n".format(dupe[2:])
1865            defs.append(msg)
1866
1867        # Write the extension name as a comment before the first EP.
1868        comment = "\n// {}".format(extension_name)
1869        defs.insert(0, comment)
1870        decls.insert(0, comment)
1871        libgles_defs.insert(0, comment)
1872        libgles_ep_exports.append("\n    ; %s" % extension_name)
1873
1874        extension_defs += defs
1875        extension_decls += decls
1876
1877        ext_validation_protos += [comment] + validation_protos
1878        ext_capture_protos += [comment] + capture_protos
1879        ext_capture_methods += capture_methods
1880        ext_capture_param_funcs += capture_param_funcs
1881
1882        libgles_ep_defs += libgles_defs
1883        libgles_ep_exports += get_exports(ext_cmd_names)
1884
1885        if (extension_name in registry_xml.gles1_extensions and
1886                extension_name not in gles1_no_context_decl_extensions):
1887            glesdecls['exts']['GLES1 Extensions'][extension_name] = get_decls(
1888                context_decl_format, all_commands, ext_cmd_names, all_commands_no_suffix,
1889                cmd_packed_gl_enums)
1890        if extension_name in registry_xml.gles_extensions:
1891            glesdecls['exts']['GLES2+ Extensions'][extension_name] = get_decls(
1892                context_decl_format, all_commands, ext_cmd_names, all_commands_no_suffix,
1893                cmd_packed_gl_enums)
1894        if extension_name in registry_xml.angle_extensions:
1895            glesdecls['exts']['ANGLE Extensions'][extension_name] = get_decls(
1896                context_decl_format, all_commands, ext_cmd_names, all_commands_no_suffix,
1897                cmd_packed_gl_enums)
1898
1899    for name in extension_commands:
1900        all_commands_with_suffix.append(name)
1901        all_commands_no_suffix.append(strip_suffix(name))
1902
1903    # Special handling for EGL_ANGLE_explicit_context extension
1904    if registry_xml.support_EGL_ANGLE_explicit_context:
1905        comment = "\n// EGL_ANGLE_explicit_context"
1906        extension_defs.append(comment)
1907        extension_decls.append(comment)
1908        libgles_ep_defs.append(comment)
1909
1910        cmds = xml.all_cmd_names.get_all_commands()
1911
1912        # Get the explicit context entry points
1913        decls, defs, libgles_defs, validation_protos, capture_protos, capture_methods, capture_param_funcs = get_entry_points(
1914            xml.all_commands, cmds, True, False, all_gles_param_types, cmd_packed_gl_enums)
1915
1916        # Append the explicit context entry points
1917        extension_decls += decls
1918        extension_defs += defs
1919        libgles_ep_defs += libgles_defs
1920
1921        libgles_ep_exports.append("\n    ; EGL_ANGLE_explicit_context")
1922        libgles_ep_exports += get_exports(cmds, lambda x: "%sContextANGLE" % x)
1923
1924        # Generate .inc files for extension function pointers and declarations
1925        for major, minor in versions:
1926            annotation = "{}_{}".format(major, minor)
1927
1928            major_if_not_one = major if major != 1 else ""
1929            minor_if_not_zero = minor if minor != 0 else ""
1930            version = "{}{}".format(major_if_not_one, minor_if_not_zero)
1931
1932            glext_ptrs, glext_protos = get_glext_decls(all_commands,
1933                                                       xml.all_cmd_names.get_commands(annotation),
1934                                                       version, True)
1935
1936            glext_ext_ptrs = []
1937            glext_ext_protos = []
1938
1939            # Append extensions for 1.0 and 2.0
1940            if (annotation == "1_0"):
1941                glext_ext_ptrs, glext_ext_protos = get_glext_decls(
1942                    all_commands, xml.all_cmd_names.get_commands("glext"), version, True)
1943            elif (annotation == "2_0"):
1944                glext_ext_ptrs, glext_ext_protos = get_glext_decls(
1945                    all_commands, xml.all_cmd_names.get_commands("gl2ext"), version, True)
1946
1947            glext_ptrs += glext_ext_ptrs
1948            glext_protos += glext_ext_protos
1949
1950            write_glext_explicit_context_inc(version, "\n".join(glext_ptrs),
1951                                             "\n".join(glext_protos))
1952
1953    # Now we generate entry points for the desktop implementation
1954    gldecls = {}
1955    gldecls['core'] = {}
1956    for ver in [(1, 0), (1, 1), (1, 2), (1, 3), (1, 4), (1, 5), (2, 0), (2, 1), (3, 0), (3, 1),
1957                (3, 2), (3, 3), (4, 0), (4, 1), (4, 2), (4, 3), (4, 4), (4, 5), (4, 6)]:
1958        gldecls['core'][ver] = []
1959
1960    libgl_ep_defs = []
1961    libgl_ep_exports = []
1962
1963    glxml = registry_xml.RegistryXML('gl.xml')
1964
1965    for major_version, minor_version in [[1, 0], [1, 1], [1, 2], [1, 3], [1, 4], [1, 5], [2, 0],
1966                                         [2, 1], [3, 0], [3, 1], [3, 2], [3, 3], [4, 0], [4, 1],
1967                                         [4, 2], [4, 3], [4, 4], [4, 5], [4, 6]]:
1968        version = "{}_{}".format(major_version, minor_version)
1969        annotation = "GL_{}".format(version)
1970        name_prefix = "GL_VERSION_"
1971
1972        comment = version.replace("_", ".")
1973        feature_name = "{}{}".format(name_prefix, version)
1974
1975        glxml.AddCommands(feature_name, version)
1976
1977        all_libgl_commands = glxml.commands[version]
1978
1979        just_libgl_commands = [
1980            cmd for cmd in all_libgl_commands if cmd not in all_commands_no_suffix
1981        ]
1982        just_libgl_commands_suffix = [
1983            cmd for cmd in all_libgl_commands if cmd not in all_commands_with_suffix
1984        ]
1985
1986        all_commands32 = glxml.all_commands
1987
1988        # Validation duplicates handled with suffix
1989        _, _, _, validation_protos32, _, _, _ = get_entry_points(
1990            all_commands32, just_libgl_commands_suffix, False, False, all_gles_param_types,
1991            cmd_packed_gl_enums)
1992        decls_gl, defs_gl, libgl_defs, _, _, _, _ = get_entry_points(
1993            all_commands32, all_libgl_commands, False, False, all_gles_param_types,
1994            cmd_packed_gl_enums)
1995
1996        # Write the version as a comment before the first EP.
1997        libgl_defs.insert(0, "\n// GL %s" % comment)
1998        libgl_ep_exports.append("\n    ; GL %s" % comment)
1999
2000        libgl_ep_defs += libgl_defs
2001        libgl_ep_exports += get_exports(all_libgl_commands)
2002
2003        minor_if_not_zero = minor_version if minor_version != 0 else ""
2004
2005        header_includes = template_header_includes_gl32
2006        source_includes = template_sources_includes_gl32.format(annotation.lower(), major_version,
2007                                                                minor_if_not_zero)
2008
2009        # Entry point files
2010        write_file(annotation, "GL " + comment, template_entry_point_header, "\n".join(decls_gl),
2011                   "h", header_includes, "libGL", "gl.xml")
2012        write_file(annotation, "GL " + comment, template_entry_point_source, "\n".join(defs_gl),
2013                   "cpp", source_includes, "libGL", "gl.xml")
2014
2015        gldecls['core'][(major_version, minor_version)] = get_decls(
2016            context_decl_format, all_commands32, just_libgl_commands, all_commands_no_suffix,
2017            cmd_packed_gl_enums)
2018
2019        # Validation files
2020        validation_annotation = "GL%s%s" % (major_version, minor_if_not_zero)
2021        write_validation_header(validation_annotation, "%s" % comment, validation_protos32,
2022                                "gl.xml and wgl.xml")
2023
2024    # WGL
2025    wglxml = registry_xml.RegistryXML('wgl.xml')
2026
2027    name_prefix = "WGL_VERSION_"
2028    version = "1_0"
2029    comment = version.replace("_", ".")
2030    feature_name = "{}{}".format(name_prefix, version)
2031    wglxml.AddCommands(feature_name, version)
2032    wgl_commands = wglxml.commands[version]
2033    all_commands32.extend(wglxml.all_commands)
2034
2035    wgl_commands = [cmd if cmd[:3] == 'wgl' else 'wgl' + cmd for cmd in wgl_commands]
2036
2037    wgl_param_types = set()
2038    decls_wgl, defs_wgl, wgl_defs, validation_protos_wgl, _, _, _ = get_entry_points(
2039        all_commands32, wgl_commands, False, True, wgl_param_types, {})
2040
2041    # Write the version as a comment before the first EP.
2042    libgl_ep_exports.append("\n    ; WGL %s" % comment)
2043
2044    # Other versions of these functions are used
2045    wgl_commands.remove("wglUseFontBitmaps")
2046    wgl_commands.remove("wglUseFontOutlines")
2047
2048    libgl_ep_exports += get_exports(wgl_commands)
2049
2050    header_includes = template_header_includes.format(major="", minor="")
2051    header_includes += """
2052    #include <GLES/glext.h>
2053    #include <GLES2/gl2.h>
2054    #include <GLES2/gl2ext.h>
2055    #include <GLES3/gl32.h>
2056    """
2057
2058    source_includes = template_sources_includes.format(
2059        header_version="gles_ext", validation_header_version="ESEXT")
2060    source_includes += """
2061    #include "libANGLE/capture_gles_1_0_autogen.h"
2062    #include "libANGLE/capture_gles_2_0_autogen.h"
2063    #include "libANGLE/capture_gles_3_0_autogen.h"
2064    #include "libANGLE/capture_gles_3_1_autogen.h"
2065    #include "libANGLE/capture_gles_3_2_autogen.h"
2066    #include "libANGLE/validationES1.h"
2067    #include "libANGLE/validationES2.h"
2068    #include "libANGLE/validationES3.h"
2069    #include "libANGLE/validationES31.h"
2070    #include "libANGLE/validationES32.h"
2071    """
2072
2073    write_file("gles_ext", "GLES extension", template_entry_point_header,
2074               "\n".join([item for item in extension_decls]), "h", header_includes, "libGLESv2",
2075               "gl.xml and gl_angle_ext.xml")
2076    write_file("gles_ext", "GLES extension", template_entry_point_source,
2077               "\n".join([item for item in extension_defs]), "cpp", source_includes, "libGLESv2",
2078               "gl.xml and gl_angle_ext.xml")
2079
2080    write_validation_header("ESEXT", "ES extension", ext_validation_protos,
2081                            "gl.xml and gl_angle_ext.xml")
2082    write_capture_header("ext", "extension", ext_capture_protos, ext_capture_param_funcs)
2083    write_capture_source("ext", "ESEXT", "extension", ext_capture_methods)
2084
2085    write_context_api_decls(context_header, glesdecls, "gles")
2086    write_context_api_decls(context_header, gldecls, "gl")
2087
2088    # Entry point enum
2089    cmd_names = ["Invalid"] + [cmd[2:] for cmd in xml.all_cmd_names.get_all_commands()]
2090    gl_cmd_names = [cmd[2:] for cmd in glxml.all_cmd_names.get_all_commands()]
2091    cmd_names.extend([cmd for cmd in gl_cmd_names if cmd not in cmd_names])
2092    sorted_cmd_names = sorted(cmd_names)
2093
2094    entry_points_enum_header = template_entry_points_enum_header.format(
2095        script_name=os.path.basename(sys.argv[0]),
2096        data_source_name="gl.xml and gl_angle_ext.xml",
2097        year=date.today().year,
2098        lib="GL/GLES",
2099        entry_points_list=",\n".join(["    " + cmd for cmd in sorted_cmd_names]))
2100
2101    entry_points_enum_header_path = path_to("libANGLE", "entry_points_enum_autogen.h")
2102    with open(entry_points_enum_header_path, "w") as out:
2103        out.write(entry_points_enum_header)
2104        out.close()
2105
2106    entry_points_cases = [
2107        template_entry_points_name_case.format(enum=cmd) for cmd in sorted_cmd_names
2108    ]
2109    entry_points_enum_source = template_entry_points_enum_source.format(
2110        script_name=os.path.basename(sys.argv[0]),
2111        data_source_name="gl.xml and gl_angle_ext.xml",
2112        year=date.today().year,
2113        lib="GL/GLES",
2114        entry_points_name_cases="\n".join(entry_points_cases))
2115
2116    entry_points_enum_source_path = path_to("libANGLE", "entry_points_enum_autogen.cpp")
2117    with open(entry_points_enum_source_path, "w") as out:
2118        out.write(entry_points_enum_source)
2119        out.close()
2120
2121    source_includes = """
2122    #include "angle_gl.h"
2123
2124    #include "libGLESv2/entry_points_gles_1_0_autogen.h"
2125    #include "libGLESv2/entry_points_gles_2_0_autogen.h"
2126    #include "libGLESv2/entry_points_gles_3_0_autogen.h"
2127    #include "libGLESv2/entry_points_gles_3_1_autogen.h"
2128    #include "libGLESv2/entry_points_gles_3_2_autogen.h"
2129    #include "libGLESv2/entry_points_gles_ext_autogen.h"
2130
2131    #include "common/event_tracer.h"
2132    """
2133
2134    write_export_files("\n".join([item for item in libgles_ep_defs]), source_includes,
2135                       "gl.xml and gl_angle_ext.xml", "libGLESv2", "OpenGL ES")
2136
2137    source_includes = """
2138    #include "angle_gl.h"
2139
2140    #include "libGL/entry_points_gl_1_0_autogen.h"
2141    #include "libGL/entry_points_gl_1_1_autogen.h"
2142    #include "libGL/entry_points_gl_1_2_autogen.h"
2143    #include "libGL/entry_points_gl_1_3_autogen.h"
2144    #include "libGL/entry_points_gl_1_4_autogen.h"
2145    #include "libGL/entry_points_gl_1_5_autogen.h"
2146    #include "libGL/entry_points_gl_2_0_autogen.h"
2147    #include "libGL/entry_points_gl_2_1_autogen.h"
2148    #include "libGL/entry_points_gl_3_0_autogen.h"
2149    #include "libGL/entry_points_gl_3_1_autogen.h"
2150    #include "libGL/entry_points_gl_3_2_autogen.h"
2151    #include "libGL/entry_points_gl_3_3_autogen.h"
2152    #include "libGL/entry_points_gl_4_0_autogen.h"
2153    #include "libGL/entry_points_gl_4_1_autogen.h"
2154    #include "libGL/entry_points_gl_4_2_autogen.h"
2155    #include "libGL/entry_points_gl_4_3_autogen.h"
2156    #include "libGL/entry_points_gl_4_4_autogen.h"
2157    #include "libGL/entry_points_gl_4_5_autogen.h"
2158    #include "libGL/entry_points_gl_4_6_autogen.h"
2159
2160    #include "common/event_tracer.h"
2161    """
2162
2163    write_export_files("\n".join([item for item in libgl_ep_defs]), source_includes,
2164                       "gl.xml and wgl.xml", "libGL", "Windows GL")
2165
2166    libgles_ep_exports += get_egl_exports()
2167
2168    everything = "Khronos and ANGLE XML files"
2169
2170    for lib in ["libGLESv2" + suffix for suffix in ["", "_no_capture", "_with_capture"]]:
2171        write_windows_def_file(everything, lib, lib, "libGLESv2", libgles_ep_exports)
2172    write_windows_def_file(everything, "libGL", "openGL32", "libGL", libgl_ep_exports)
2173
2174    all_gles_param_types = sorted(all_gles_param_types)
2175    write_capture_helper_header(all_gles_param_types)
2176    write_capture_helper_source(all_gles_param_types)
2177    write_capture_replay_source(xml.all_commands, all_commands_no_suffix, cmd_packed_gl_enums)
2178
2179
2180if __name__ == '__main__':
2181    sys.exit(main())
2182