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1import copy
2
3from .common.codegen import CodeGen, VulkanWrapperGenerator
4from .common.vulkantypes import \
5        VulkanAPI, makeVulkanTypeSimple, iterateVulkanType
6
7from .marshaling import VulkanMarshalingCodegen
8from .reservedmarshaling import VulkanReservedMarshalingCodegen
9from .counting import VulkanCountingCodegen
10from .handlemap import HandleMapCodegen
11from .deepcopy import DeepcopyCodegen
12from .transform import TransformCodegen, genTransformsForVulkanType
13
14from .wrapperdefs import API_PREFIX_RESERVEDMARSHAL
15from .wrapperdefs import API_PREFIX_MARSHAL
16from .wrapperdefs import API_PREFIX_UNMARSHAL
17from .wrapperdefs import ROOT_TYPE_DEFAULT_VALUE
18from .wrapperdefs import VULKAN_STREAM_TYPE_GUEST
19
20encoder_decl_preamble = """
21class VkEncoder {
22public:
23    VkEncoder(IOStream* stream);
24    ~VkEncoder();
25
26#include "VkEncoder.h.inl"
27"""
28
29encoder_decl_postamble = """
30private:
31    class Impl;
32    std::unique_ptr<Impl> mImpl;
33};
34"""
35
36encoder_impl_preamble ="""
37
38using namespace goldfish_vk;
39
40using android::aligned_buf_alloc;
41using android::aligned_buf_free;
42using android::base::guest::AutoLock;
43using android::base::guest::Lock;
44using android::base::BumpPool;
45
46#include "VkEncoder.cpp.inl"
47
48#define VALIDATE_RET(retType, success, validate) \\
49    retType goldfish_vk_validateResult = validate; \\
50    if (goldfish_vk_validateResult != success) return goldfish_vk_validateResult; \\
51
52#define VALIDATE_VOID(validate) \\
53    VkResult goldfish_vk_validateResult = validate; \\
54    if (goldfish_vk_validateResult != VK_SUCCESS) return; \\
55
56"""
57
58STREAM = "stream"
59RESOURCES = "sResourceTracker"
60POOL = "pool"
61
62ENCODER_PREVALIDATED_APIS = [
63    "vkFlushMappedMemoryRanges",
64    "vkInvalidateMappedMemoryRanges",
65]
66
67ENCODER_CUSTOM_RESOURCE_PREPROCESS = [
68    "vkMapMemoryIntoAddressSpaceGOOGLE",
69    "vkDestroyDevice",
70]
71
72ENCODER_CUSTOM_RESOURCE_POSTPROCESS = [
73    "vkCreateInstance",
74    "vkCreateDevice",
75    "vkMapMemoryIntoAddressSpaceGOOGLE",
76    "vkGetPhysicalDeviceProperties",
77    "vkGetPhysicalDeviceProperties2",
78    "vkGetPhysicalDeviceProperties2KHR",
79    "vkGetPhysicalDeviceMemoryProperties",
80    "vkGetPhysicalDeviceMemoryProperties2",
81    "vkGetPhysicalDeviceMemoryProperties2KHR",
82    "vkCreateDescriptorUpdateTemplate",
83    "vkCreateDescriptorUpdateTemplateKHR",
84    "vkGetPhysicalDeviceExternalSemaphoreProperties",
85    "vkGetPhysicalDeviceExternalSemaphorePropertiesKHR",
86    "vkGetDeviceQueue",
87    "vkGetDeviceQueue2",
88]
89
90ENCODER_EXPLICIT_FLUSHED_APIS = [
91    "vkEndCommandBufferAsyncGOOGLE",
92    "vkQueueSubmitAsyncGOOGLE",
93    "vkQueueBindSparseAsyncGOOGLE",
94    "vkQueueWaitIdleAsyncGOOGLE",
95    "vkQueueSignalReleaseImageANDROID",
96    "vkDestroyDevice",
97]
98
99SUCCESS_RET_TYPES = {
100    "VkResult" : "VK_SUCCESS",
101    "void" : None,
102    # TODO: Put up success results for other return types here.
103}
104
105ENCODER_THIS_PARAM = makeVulkanTypeSimple(False, "VkEncoder", 1, "this")
106
107# Common components of encoding a Vulkan API call
108def make_event_handler_call(
109    handler_access,
110    api,
111    context_param,
112    input_result_param,
113    cgen,
114    suffix=""):
115    extraParams = [context_param.paramName]
116    if input_result_param:
117        extraParams.append(input_result_param)
118    return cgen.makeCallExpr( \
119               "%s->on_%s%s" % (handler_access, api.name, suffix),
120               extraParams + \
121                       [p.paramName for p in api.parameters[:-1]])
122
123def emit_custom_pre_validate(typeInfo, api, cgen):
124    if api.name in ENCODER_PREVALIDATED_APIS:
125        callExpr = \
126            make_event_handler_call( \
127                "mImpl->validation()", api,
128                ENCODER_THIS_PARAM,
129                SUCCESS_RET_TYPES[api.getRetTypeExpr()],
130                cgen)
131
132        if api.getRetTypeExpr() == "void":
133            cgen.stmt("VALIDATE_VOID(%s)" % callExpr)
134        else:
135            cgen.stmt("VALIDATE_RET(%s, %s, %s)" % \
136                (api.getRetTypeExpr(),
137                 SUCCESS_RET_TYPES[api.getRetTypeExpr()],
138                 callExpr))
139
140def emit_custom_resource_preprocess(typeInfo, api, cgen):
141    if api.name in ENCODER_CUSTOM_RESOURCE_PREPROCESS:
142        cgen.stmt( \
143            make_event_handler_call( \
144                "sResourceTracker", api,
145                ENCODER_THIS_PARAM,
146                SUCCESS_RET_TYPES[api.getRetTypeExpr()],
147                cgen, suffix="_pre"))
148
149def emit_custom_resource_postprocess(typeInfo, api, cgen):
150    if api.name in ENCODER_CUSTOM_RESOURCE_POSTPROCESS:
151        cgen.stmt(make_event_handler_call( \
152            "sResourceTracker",
153            api,
154            ENCODER_THIS_PARAM,
155            api.getRetVarExpr(),
156            cgen))
157
158def emit_count_marshal(typeInfo, param, cgen):
159    res = \
160        iterateVulkanType(
161            typeInfo, param,
162            VulkanCountingCodegen( \
163                cgen, "sFeatureBits", param.paramName, "countPtr", ROOT_TYPE_DEFAULT_VALUE,
164               "count_"))
165    if not res:
166        cgen.stmt("(void)%s" % param.paramName)
167
168def emit_marshal(typeInfo, param, cgen):
169    forOutput = param.isHandleType() and ("out" in param.inout)
170    if forOutput:
171        cgen.stmt("/* is handle, possibly out */")
172
173    res = \
174        iterateVulkanType(
175            typeInfo, param,
176            VulkanReservedMarshalingCodegen( \
177                cgen, STREAM, ROOT_TYPE_DEFAULT_VALUE, param.paramName, "streamPtrPtr",
178               API_PREFIX_RESERVEDMARSHAL,
179               "" if forOutput else "get_host_u64_",
180               direction="write"))
181    if not res:
182        cgen.stmt("(void)%s" % param.paramName)
183
184    if forOutput:
185        cgen.stmt("/* is handle, possibly out */")
186
187def emit_unmarshal(typeInfo, param, cgen):
188    iterateVulkanType(
189        typeInfo, param,
190        VulkanMarshalingCodegen( \
191            cgen, STREAM, ROOT_TYPE_DEFAULT_VALUE, param.paramName,
192           API_PREFIX_UNMARSHAL, direction="read"))
193
194def emit_deepcopy(typeInfo, param, cgen):
195    res = \
196        iterateVulkanType(typeInfo, param, DeepcopyCodegen(
197            cgen, [param.paramName, "local_" + param.paramName], "pool", ROOT_TYPE_DEFAULT_VALUE, "deepcopy_"))
198    if not res:
199        cgen.stmt("(void)%s" % param.paramName)
200
201def emit_transform(typeInfo, param, cgen, variant="tohost"):
202    res = \
203        iterateVulkanType(typeInfo, param, TransformCodegen( \
204            cgen, param.paramName, "sResourceTracker", "transform_%s_" % variant, variant))
205    if not res:
206        cgen.stmt("(void)%s" % param.paramName)
207
208def emit_handlemap_create(typeInfo, param, cgen):
209    iterateVulkanType(typeInfo, param, HandleMapCodegen(
210        cgen, None, "sResourceTracker", "handlemap_",
211        lambda vtype: typeInfo.isHandleType(vtype.typeName)
212    ))
213
214def custom_encoder_args(api):
215    params = ["this"]
216    if api.getRetVarExpr() is not None:
217        params.append(api.getRetVarExpr())
218    return params
219
220def emit_handlemap_destroy(typeInfo, param, cgen):
221    iterateVulkanType(typeInfo, param, HandleMapCodegen(
222        cgen, None, "sResourceTracker->destroyMapping()", "handlemap_",
223        lambda vtype: typeInfo.isHandleType(vtype.typeName)
224    ))
225
226class EncodingParameters(object):
227    def __init__(self, api):
228        self.localCopied = []
229        self.toWrite = []
230        self.toRead = []
231        self.toCreate = []
232        self.toDestroy = []
233
234        for param in api.parameters:
235            param.action = None
236            param.inout = "in"
237
238            if param.paramName == "doLock":
239                continue
240
241            if param.possiblyOutput():
242                param.inout += "out"
243                self.toWrite.append(param)
244                self.toRead.append(param)
245                if param.isCreatedBy(api):
246                    self.toCreate.append(param)
247                    param.action = "create"
248            else:
249
250                if param.paramName == "doLock":
251                    continue
252
253                if param.isDestroyedBy(api):
254                    self.toDestroy.append(param)
255                    param.action = "destroy"
256                localCopyParam = \
257                    param.getForNonConstAccess().withModifiedName( \
258                        "local_" + param.paramName)
259                self.localCopied.append((param, localCopyParam))
260                self.toWrite.append(localCopyParam)
261
262def emit_parameter_encode_preamble_write(typeInfo, api, cgen):
263    emit_custom_pre_validate(typeInfo, api, cgen);
264    emit_custom_resource_preprocess(typeInfo, api, cgen);
265
266    cgen.stmt("auto %s = mImpl->stream()" % STREAM)
267    cgen.stmt("auto %s = mImpl->pool()" % POOL)
268    # cgen.stmt("%s->setHandleMapping(%s->unwrapMapping())" % (STREAM, RESOURCES))
269
270    encodingParams = EncodingParameters(api)
271    for (_, localCopyParam) in encodingParams.localCopied:
272        cgen.stmt(cgen.makeRichCTypeDecl(localCopyParam))
273
274def emit_parameter_encode_copy_unwrap_count(typeInfo, api, cgen, customUnwrap=None):
275    encodingParams = EncodingParameters(api)
276
277    for (origParam, localCopyParam) in encodingParams.localCopied:
278        shouldCustomCopy = \
279            customUnwrap and \
280            origParam.paramName in customUnwrap and \
281            "copyOp" in customUnwrap[origParam.paramName]
282
283        shouldCustomMap = \
284            customUnwrap and \
285            origParam.paramName in customUnwrap and \
286            "mapOp" in customUnwrap[origParam.paramName]
287
288        if shouldCustomCopy:
289            customUnwrap[origParam.paramName]["copyOp"](cgen, origParam, localCopyParam)
290        else:
291            # if this is a pointer type and we don't do custom copy nor unwrap,
292            # and the transform doesn't end up doing anything,
293            # don't deepcopy, just cast it.
294
295            avoidDeepcopy = False
296
297            if origParam.pointerIndirectionLevels > 0:
298                testCgen = CodeGen()
299                genTransformsForVulkanType("sResourceTracker", origParam, lambda p: testCgen.generalAccess(p, parentVarName = None, asPtr = True), lambda p: testCgen.generalLengthAccess(p, parentVarName = None), testCgen)
300                emit_transform(typeInfo, origParam, testCgen, variant="tohost")
301                if "" == testCgen.swapCode():
302                    avoidDeepcopy = True
303            if avoidDeepcopy:
304                cgen.line("// Avoiding deepcopy for %s" % origParam.paramName)
305                cgen.stmt("%s = (%s%s)%s" % (localCopyParam.paramName, localCopyParam.typeName, "*" * origParam.pointerIndirectionLevels, origParam.paramName))
306            else:
307                emit_deepcopy(typeInfo, origParam, cgen)
308
309    for (origParam, localCopyParam) in encodingParams.localCopied:
310        shouldCustomMap = \
311            customUnwrap and \
312            origParam.paramName in customUnwrap and \
313            "mapOp" in customUnwrap[origParam.paramName]
314
315        if shouldCustomMap:
316            customUnwrap[origParam.paramName]["mapOp"](cgen, origParam, localCopyParam)
317        else:
318            if localCopyParam.typeName == "VkAllocationCallbacks":
319                cgen.stmt("%s = nullptr" % localCopyParam.paramName)
320
321    apiForTransform = \
322        api.withCustomParameters( \
323            map(lambda p: p[1], \
324                encodingParams.localCopied))
325
326    # Apply transforms if applicable.
327    # Apply transform to API itself:
328    genTransformsForVulkanType(
329        "sResourceTracker",
330        apiForTransform,
331        lambda p: cgen.generalAccess(p, parentVarName = None, asPtr = True),
332        lambda p: cgen.generalLengthAccess(p, parentVarName = None),
333        cgen)
334
335    # For all local copied parameters, run the transforms
336    for localParam in apiForTransform.parameters:
337        if "doLock" in localParam.paramName:
338            continue
339        emit_transform(typeInfo, localParam, cgen, variant="tohost")
340
341    cgen.stmt("size_t count = 0")
342    cgen.stmt("size_t* countPtr = &count")
343    cgen.beginBlock()
344
345    # Use counting stream to calculate the packet size.
346    for p in encodingParams.toWrite:
347        emit_count_marshal(typeInfo, p, cgen)
348
349    cgen.endBlock()
350
351def is_cmdbuf_dispatch(api):
352    return "VkCommandBuffer" == api.parameters[0].typeName
353
354def emit_parameter_encode_write_packet_info(typeInfo, api, cgen):
355    # Seqno and skipping dispatch serialize are for use with VULKAN_STREAM_FEATURE_QUEUE_SUBMIT_WITH_COMMANDS_BIT
356    doSeqno = True
357    doDispatchSerialize = True
358
359    if is_cmdbuf_dispatch(api):
360        doSeqno = False
361        doDispatchSerialize = False
362
363    if doSeqno:
364        cgen.stmt("uint32_t packetSize_%s = 4 + 4 + (queueSubmitWithCommandsEnabled ? 4 : 0) + count" % (api.name))
365    else:
366        cgen.stmt("uint32_t packetSize_%s = 4 + 4 + count" % (api.name))
367
368    if not doDispatchSerialize:
369        cgen.stmt("if (queueSubmitWithCommandsEnabled) packetSize_%s -= 8" % api.name)
370
371    cgen.stmt("uint8_t* streamPtr = %s->reserve(packetSize_%s)" % (STREAM, api.name))
372    cgen.stmt("uint8_t** streamPtrPtr = &streamPtr")
373    cgen.stmt("uint32_t opcode_%s = OP_%s" % (api.name, api.name))
374
375    if doSeqno:
376        cgen.stmt("uint32_t seqno; if (queueSubmitWithCommandsEnabled) seqno = ResourceTracker::nextSeqno()")
377
378    cgen.stmt("memcpy(streamPtr, &opcode_%s, sizeof(uint32_t)); streamPtr += sizeof(uint32_t)" % api.name)
379    cgen.stmt("memcpy(streamPtr, &packetSize_%s, sizeof(uint32_t)); streamPtr += sizeof(uint32_t)" % api.name)
380
381    if doSeqno:
382        cgen.line("if (queueSubmitWithCommandsEnabled) { memcpy(streamPtr, &seqno, sizeof(uint32_t)); streamPtr += sizeof(uint32_t); }")
383
384def emit_parameter_encode_do_parameter_write(typeInfo, api, cgen):
385    encodingParams = EncodingParameters(api)
386
387    dispatchDone = False
388
389    for p in encodingParams.toWrite:
390        if is_cmdbuf_dispatch(api) and not dispatchDone:
391            cgen.beginIf("!queueSubmitWithCommandsEnabled")
392            emit_marshal(typeInfo, p, cgen)
393            cgen.endIf()
394        else:
395            emit_marshal(typeInfo, p, cgen)
396
397        dispatchDone = True
398
399def emit_parameter_encode_read(typeInfo, api, cgen):
400    encodingParams = EncodingParameters(api)
401
402    for p in encodingParams.toRead:
403        if p.action == "create":
404            cgen.stmt(
405                "%s->setHandleMapping(%s->createMapping())" % \
406                (STREAM, RESOURCES))
407        emit_unmarshal(typeInfo, p, cgen)
408        if p.action == "create":
409            cgen.stmt(
410                "%s->unsetHandleMapping()" % STREAM)
411        emit_transform(typeInfo, p, cgen, variant="fromhost")
412
413def emit_post(typeInfo, api, cgen):
414    encodingParams = EncodingParameters(api)
415
416    emit_custom_resource_postprocess(typeInfo, api, cgen)
417
418    for p in encodingParams.toDestroy:
419        emit_handlemap_destroy(typeInfo, p, cgen)
420
421    doSeqno = True
422    if is_cmdbuf_dispatch(api):
423        doSeqno = False
424
425    retType = api.getRetTypeExpr()
426
427    if api.name in ENCODER_EXPLICIT_FLUSHED_APIS:
428        cgen.stmt("stream->flush()");
429        return
430
431    if doSeqno:
432        if retType == "void":
433            encodingParams = EncodingParameters(api)
434            if 0 == len(encodingParams.toRead):
435                cgen.stmt("stream->flush()");
436
437def emit_pool_free(cgen):
438    cgen.stmt("++encodeCount;")
439    cgen.beginIf("0 == encodeCount % POOL_CLEAR_INTERVAL")
440    cgen.stmt("pool->freeAll()")
441    cgen.stmt("%s->clearPool()" % STREAM)
442    cgen.endIf()
443
444def emit_return_unmarshal(typeInfo, api, cgen):
445
446    retType = api.getRetTypeExpr()
447
448    if retType == "void":
449        return
450
451    retVar = api.getRetVarExpr()
452    cgen.stmt("%s %s = (%s)0" % (retType, retVar, retType))
453    cgen.stmt("%s->read(&%s, %s)" % \
454              (STREAM, retVar, cgen.sizeofExpr(api.retType)))
455
456def emit_return(typeInfo, api, cgen):
457    if api.getRetTypeExpr() == "void":
458        return
459
460    retVar = api.getRetVarExpr()
461    cgen.stmt("return %s" % retVar)
462
463def emit_lock(cgen):
464    cgen.stmt("(void)doLock");
465    cgen.stmt("bool queueSubmitWithCommandsEnabled = sFeatureBits & VULKAN_STREAM_FEATURE_QUEUE_SUBMIT_WITH_COMMANDS_BIT")
466    cgen.stmt("if (!queueSubmitWithCommandsEnabled && doLock) this->lock()")
467
468def emit_unlock(cgen):
469    cgen.stmt("if (!queueSubmitWithCommandsEnabled && doLock) this->unlock()")
470
471def emit_default_encoding(typeInfo, api, cgen):
472    emit_lock(cgen)
473    emit_parameter_encode_preamble_write(typeInfo, api, cgen)
474    emit_parameter_encode_copy_unwrap_count(typeInfo, api, cgen)
475    emit_parameter_encode_write_packet_info(typeInfo, api, cgen)
476    emit_parameter_encode_do_parameter_write(typeInfo, api, cgen)
477    emit_parameter_encode_read(typeInfo, api, cgen)
478    emit_return_unmarshal(typeInfo, api, cgen)
479    emit_post(typeInfo, api, cgen)
480    emit_pool_free(cgen)
481    emit_unlock(cgen)
482    emit_return(typeInfo, api, cgen)
483
484## Custom encoding definitions##################################################
485
486def emit_only_goldfish_custom(typeInfo, api, cgen):
487    emit_lock(cgen)
488    cgen.vkApiCall( \
489        api,
490        customPrefix="sResourceTracker->on_",
491        customParameters=custom_encoder_args(api) + \
492                [p.paramName for p in api.parameters[:-1]])
493    emit_unlock(cgen)
494    emit_return(typeInfo, api, cgen)
495
496def emit_only_resource_event(typeInfo, api, cgen):
497    cgen.stmt("(void)doLock");
498    input_result = None
499    retExpr = api.getRetVarExpr()
500
501    if retExpr:
502        retType = api.getRetTypeExpr()
503        input_result = SUCCESS_RET_TYPES[retType]
504        cgen.stmt("%s %s = (%s)0" % (retType, retExpr, retType))
505
506    cgen.stmt(
507        (("%s = " % retExpr) if retExpr else "") +
508        make_event_handler_call(
509            "sResourceTracker",
510            api,
511            ENCODER_THIS_PARAM,
512            input_result, cgen))
513
514    if retExpr:
515        emit_return(typeInfo, api, cgen)
516
517def emit_with_custom_unwrap(custom):
518    def call(typeInfo, api, cgen):
519        emit_lock(cgen)
520        emit_parameter_encode_preamble_write(typeInfo, api, cgen)
521        emit_parameter_encode_copy_unwrap_count(
522            typeInfo, api, cgen, customUnwrap=custom)
523        emit_parameter_encode_write_packet_info(typeInfo, api, cgen)
524        emit_parameter_encode_do_parameter_write(typeInfo, api, cgen)
525        emit_parameter_encode_read(typeInfo, api, cgen)
526        emit_return_unmarshal(typeInfo, api, cgen)
527        emit_pool_free(cgen)
528        emit_unlock(cgen)
529        emit_return(typeInfo, api, cgen)
530    return call
531
532def encode_vkFlushMappedMemoryRanges(typeInfo, api, cgen):
533    emit_lock(cgen)
534    emit_parameter_encode_preamble_write(typeInfo, api, cgen)
535    emit_parameter_encode_copy_unwrap_count(typeInfo, api, cgen)
536
537    def emit_flush_ranges(streamVar):
538        cgen.beginIf("!sResourceTracker->usingDirectMapping()")
539        cgen.beginFor("uint32_t i = 0", "i < memoryRangeCount", "++i")
540        cgen.stmt("auto range = pMemoryRanges[i]")
541        cgen.stmt("auto memory = pMemoryRanges[i].memory")
542        cgen.stmt("auto size = pMemoryRanges[i].size")
543        cgen.stmt("auto offset = pMemoryRanges[i].offset")
544        cgen.stmt("uint64_t streamSize = 0")
545        cgen.stmt("if (!memory) { %s->write(&streamSize, sizeof(uint64_t)); continue; }" % streamVar)
546        cgen.stmt("auto hostPtr = sResourceTracker->getMappedPointer(memory)")
547        cgen.stmt("auto actualSize = size == VK_WHOLE_SIZE ? sResourceTracker->getMappedSize(memory) : size")
548        cgen.stmt("if (!hostPtr) { %s->write(&streamSize, sizeof(uint64_t)); continue; }" % streamVar)
549        cgen.stmt("streamSize = actualSize")
550        cgen.stmt("%s->write(&streamSize, sizeof(uint64_t))" % streamVar)
551        cgen.stmt("uint8_t* targetRange = hostPtr + offset")
552        cgen.stmt("%s->write(targetRange, actualSize)" % streamVar)
553        cgen.endFor()
554        cgen.endIf()
555
556    emit_parameter_encode_write_packet_info(typeInfo, api, cgen)
557    emit_parameter_encode_do_parameter_write(typeInfo, api, cgen)
558
559    emit_flush_ranges(STREAM)
560
561    emit_parameter_encode_read(typeInfo, api, cgen)
562    emit_return_unmarshal(typeInfo, api, cgen)
563    emit_pool_free(cgen)
564    emit_unlock(cgen)
565    emit_return(typeInfo, api, cgen)
566
567def encode_vkInvalidateMappedMemoryRanges(typeInfo, api, cgen):
568    emit_lock(cgen)
569    emit_parameter_encode_preamble_write(typeInfo, api, cgen)
570    emit_parameter_encode_copy_unwrap_count(typeInfo, api, cgen)
571    emit_parameter_encode_write_packet_info(typeInfo, api, cgen)
572    emit_parameter_encode_do_parameter_write(typeInfo, api, cgen)
573    emit_parameter_encode_read(typeInfo, api, cgen)
574    emit_return_unmarshal(typeInfo, api, cgen)
575
576    def emit_invalidate_ranges(streamVar):
577        cgen.beginIf("!sResourceTracker->usingDirectMapping()")
578        cgen.beginFor("uint32_t i = 0", "i < memoryRangeCount", "++i")
579        cgen.stmt("auto range = pMemoryRanges[i]")
580        cgen.stmt("auto memory = pMemoryRanges[i].memory")
581        cgen.stmt("auto size = pMemoryRanges[i].size")
582        cgen.stmt("auto offset = pMemoryRanges[i].offset")
583        cgen.stmt("uint64_t streamSize = 0")
584        cgen.stmt("if (!memory) { %s->read(&streamSize, sizeof(uint64_t)); continue; }" % streamVar)
585        cgen.stmt("auto hostPtr = sResourceTracker->getMappedPointer(memory)")
586        cgen.stmt("auto actualSize = size == VK_WHOLE_SIZE ? sResourceTracker->getMappedSize(memory) : size")
587        cgen.stmt("if (!hostPtr) { %s->read(&streamSize, sizeof(uint64_t)); continue; }" % streamVar)
588        cgen.stmt("streamSize = actualSize")
589        cgen.stmt("%s->read(&streamSize, sizeof(uint64_t))" % streamVar)
590        cgen.stmt("uint8_t* targetRange = hostPtr + offset")
591        cgen.stmt("%s->read(targetRange, actualSize)" % streamVar)
592        cgen.endFor()
593        cgen.endIf()
594
595    emit_invalidate_ranges(STREAM)
596    emit_pool_free(cgen)
597    emit_unlock(cgen)
598    emit_return(typeInfo, api, cgen)
599
600def emit_manual_inline(typeInfo, api, cgen):
601    cgen.line("#include \"%s_encode_impl.cpp.inl\"" % api.name)
602
603def unwrap_VkNativeBufferANDROID():
604    def mapOp(cgen, orig, local):
605        cgen.stmt("sResourceTracker->unwrap_VkNativeBufferANDROID(%s, %s)" %
606                  (orig.paramName, local.paramName))
607    return { "pCreateInfo" : { "mapOp" : mapOp } }
608
609def unwrap_vkAcquireImageANDROID_nativeFenceFd():
610    def mapOp(cgen, orig, local):
611        cgen.stmt("sResourceTracker->unwrap_vkAcquireImageANDROID_nativeFenceFd(%s, &%s)" %
612                  (orig.paramName, local.paramName))
613    return { "nativeFenceFd" : { "mapOp" : mapOp } }
614
615custom_encodes = {
616    "vkMapMemory" : emit_only_resource_event,
617    "vkUnmapMemory" : emit_only_resource_event,
618    "vkFlushMappedMemoryRanges" : encode_vkFlushMappedMemoryRanges,
619    "vkInvalidateMappedMemoryRanges" : encode_vkInvalidateMappedMemoryRanges,
620    "vkCreateImage" : emit_with_custom_unwrap(unwrap_VkNativeBufferANDROID()),
621    "vkCreateImageWithRequirementsGOOGLE" : emit_with_custom_unwrap(unwrap_VkNativeBufferANDROID()),
622    "vkAcquireImageANDROID" : emit_with_custom_unwrap(unwrap_vkAcquireImageANDROID_nativeFenceFd()),
623    "vkQueueFlushCommandsGOOGLE" : emit_manual_inline,
624}
625
626class VulkanEncoder(VulkanWrapperGenerator):
627    def __init__(self, module, typeInfo):
628        VulkanWrapperGenerator.__init__(self, module, typeInfo)
629
630        self.typeInfo = typeInfo
631
632        self.cgenHeader = CodeGen()
633        self.cgenHeader.incrIndent()
634
635        self.cgenImpl = CodeGen()
636
637    def onBegin(self,):
638        self.module.appendHeader(encoder_decl_preamble)
639        self.module.appendImpl(encoder_impl_preamble)
640
641    def onGenCmd(self, cmdinfo, name, alias):
642        VulkanWrapperGenerator.onGenCmd(self, cmdinfo, name, alias)
643
644        api = copy.deepcopy(self.typeInfo.apis[name])
645        api.parameters.append(makeVulkanTypeSimple(False, "uint32_t", 0, "doLock"))
646
647        self.cgenHeader.stmt(self.cgenHeader.makeFuncProto(api))
648        apiImpl = api.withModifiedName("VkEncoder::" + api.name)
649
650        self.module.appendHeader(self.cgenHeader.swapCode())
651
652        if api.name in custom_encodes.keys():
653            self.module.appendImpl(self.cgenImpl.makeFuncImpl(
654                apiImpl, lambda cgen: custom_encodes[api.name](self.typeInfo, api, cgen)))
655        else:
656            self.module.appendImpl(self.cgenImpl.makeFuncImpl(apiImpl,
657                lambda cgen: emit_default_encoding(self.typeInfo, api, cgen)))
658
659    def onEnd(self,):
660        self.module.appendHeader(encoder_decl_postamble)
661        self.cgenHeader.decrIndent()
662