blob: 5d3077086867d2bd44535e024f1eb1d032c6baa8 [file] [log] [blame]
#include "spec.h"
#include <stdio.h>
#include <string.h>
#define LOCAL_FIFO_PREFIX "LF_"
#define RS_PLAYBACK_PREFIX "rsp_"
#define RS_INTERNAL_PREFIX "rsi_"
#define RSG_API_CPP_DOC \
"/*\n" \
" * rsgApi.cpp\n" \
" * This file implements the functions responsible for sending messages\n" \
" * to the RS driver layer. The messages are sent through a FIFO that is\n" \
" * shared between the process's caller threads and driver thread.\n" \
" */\n\n"
#define RSG_API_REPLAY_CPP_DOC \
"/*\n" \
" * rsgApiReplay.cpp\n" \
" * This file implements the functions responsible for reading messages\n" \
" * sent to the RS driver layer.\n" \
" */\n\n"
void printFileHeader(FILE *f) {
fprintf(f, "/*\n");
fprintf(f, " * Copyright (C) 2015 The Android Open Source Project\n");
fprintf(f, " *\n");
fprintf(f, " * Licensed under the Apache License, Version 2.0 (the \"License\");\n");
fprintf(f, " * you may not use this file except in compliance with the License.\n");
fprintf(f, " * You may obtain a copy of the License at\n");
fprintf(f, " *\n");
fprintf(f, " * http://www.apache.org/licenses/LICENSE-2.0\n");
fprintf(f, " *\n");
fprintf(f, " * Unless required by applicable law or agreed to in writing, software\n");
fprintf(f, " * distributed under the License is distributed on an \"AS IS\" BASIS,\n");
fprintf(f, " * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n");
fprintf(f, " * See the License for the specific language governing permissions and\n");
fprintf(f, " * limitations under the License.\n");
fprintf(f, " */\n\n");
}
void printVarType(FILE *f, const VarType *vt) {
int ct;
if (vt->isConst) {
fprintf(f, "const ");
}
switch (vt->type) {
case 0:
fprintf(f, "void");
break;
case 1:
fprintf(f, "int%i_t", vt->bits);
break;
case 2:
fprintf(f, "uint%i_t", vt->bits);
break;
case 3:
if (vt->bits == 32)
fprintf(f, "float");
else
fprintf(f, "double");
break;
case 4:
fprintf(f, "%s", vt->typeName);
break;
}
if (vt->ptrLevel) {
fprintf(f, " ");
for (ct=0; ct < vt->ptrLevel; ct++) {
fprintf(f, "*");
}
}
}
void printVarTypeAndName(FILE *f, const VarType *vt) {
printVarType(f, vt);
if (vt->name[0]) {
fprintf(f, " %s", vt->name);
}
}
void printArgList(FILE *f, const ApiEntry * api, int assumePrevious) {
int ct;
for (ct=0; ct < api->paramCount; ct++) {
if (ct || assumePrevious) {
fprintf(f, ", ");
}
printVarTypeAndName(f, &api->params[ct]);
}
}
void printStructures(FILE *f) {
int ct;
int ct2;
for (ct=0; ct < apiCount; ct++) {
fprintf(f, "typedef struct RS_CMD_%s_rec RS_CMD_%s;\n", apis[ct].name, apis[ct].name);
}
fprintf(f, "\n");
for (ct=0; ct < apiCount; ct++) {
const ApiEntry * api = &apis[ct];
fprintf(f, "#define RS_CMD_ID_%s %i\n", api->name, ct+1);
fprintf(f, "struct __attribute__((packed)) RS_CMD_%s_rec {\n", api->name);
//fprintf(f, " RsCommandHeader _hdr;\n");
for (ct2=0; ct2 < api->paramCount; ct2++) {
fprintf(f, " ");
printVarTypeAndName(f, &api->params[ct2]);
fprintf(f, ";\n");
}
fprintf(f, "};\n\n");
}
}
void printFuncDecl(FILE *f, const ApiEntry *api, const char *prefix, int addContext, int isFnPtr) {
printVarTypeAndName(f, &api->ret);
if (isFnPtr) {
char t[1024];
strncpy(t, api->name, sizeof(t)-1);
t[sizeof(t)-1] = '\0';
if (strlen(prefix) == 0) {
if (t[0] > 'A' && t[0] < 'Z') {
t[0] -= 'A' - 'a';
}
}
fprintf(f, " (* %s%s) (", prefix, api->name);
} else {
fprintf(f, " %s%s (", prefix, api->name);
}
if (!api->nocontext) {
if (addContext) {
fprintf(f, "Context *");
} else {
fprintf(f, "RsContext rsc");
}
}
printArgList(f, api, !api->nocontext);
fprintf(f, ")");
}
void printFuncDecls(FILE *f, const char *prefix, int addContext, int externC) {
int ct;
for (ct=0; ct < apiCount; ct++) {
if (externC) {
fprintf(f, "extern \"C\" ");
}
printFuncDecl(f, &apis[ct], prefix, addContext, 0);
fprintf(f, ";\n");
}
fprintf(f, "\n\n");
}
void printPlaybackFuncs(FILE *f, const char *prefix) {
int ct;
for (ct=0; ct < apiCount; ct++) {
if (apis[ct].direct) {
continue;
}
fprintf(f, "void %s%s (Context *, const void *);\n", prefix, apis[ct].name);
}
}
static int hasInlineDataPointers(const ApiEntry * api) {
int ret = 0;
int ct;
if (api->sync || api->ret.typeName[0]) {
return 0;
}
for (ct=0; ct < api->paramCount; ct++) {
const VarType *vt = &api->params[ct];
if (!vt->isConst && vt->ptrLevel) {
// Non-const pointers cannot be inlined.
return 0;
}
if (vt->ptrLevel > 1) {
// not handled yet.
return 0;
}
if (vt->isConst && vt->ptrLevel) {
// Non-const pointers cannot be inlined.
ret = 1;
}
}
return ret;
}
void printApiCpp(FILE *f) {
int ct;
int ct2;
fprintf(f, RSG_API_CPP_DOC);
fprintf(f, "#include \"rsDevice.h\"\n");
fprintf(f, "#include \"rsContext.h\"\n");
fprintf(f, "#include \"rsThreadIO.h\"\n");
fprintf(f, "#include \"rsgApiStructs.h\"\n");
fprintf(f, "#include \"rsgApiFuncDecl.h\"\n");
fprintf(f, "#include \"rsFifo.h\"\n");
fprintf(f, "\n");
fprintf(f, "using namespace android; // NOLINT\n");
fprintf(f, "using namespace android::renderscript; // NOLINT\n");
fprintf(f, "\n");
// Generate RS funcs that send messages on the local FIFO.
for (ct=0; ct < apiCount; ct++) {
int needFlush = 0;
const ApiEntry * api = &apis[ct];
fprintf(f, "static ");
printFuncDecl(f, api, LOCAL_FIFO_PREFIX, 0, 0);
fprintf(f, "\n{\n");
if (api->direct) {
fprintf(f, " ");
if (api->ret.typeName[0]) {
fprintf(f, "return ");
}
fprintf(f, RS_INTERNAL_PREFIX "%s(", api->name);
if (!api->nocontext) {
fprintf(f, "(Context *)rsc");
}
for (ct2=0; ct2 < api->paramCount; ct2++) {
const VarType *vt = &api->params[ct2];
if (ct2 > 0 || !api->nocontext) {
fprintf(f, ", ");
}
fprintf(f, "%s", vt->name);
}
fprintf(f, ");\n");
} else if (api->handcodeApi) {
// handle handcode path
fprintf(f, " " LOCAL_FIFO_PREFIX "%s_handcode(", api->name);
if (!api->nocontext) {
fprintf(f, "(Context *)rsc");
}
for (ct2=0; ct2 < api->paramCount; ct2++) {
const VarType *vt = &api->params[ct2];
if (ct2 > 0 || !api->nocontext) {
fprintf(f, ", ");
}
fprintf(f, "%s", vt->name);
}
fprintf(f, ");\n");
} else {
// handle synchronous path
fprintf(f, " if (((Context *)rsc)->isSynchronous()) {\n");
fprintf(f, " ");
if (api->ret.typeName[0]) {
fprintf(f, "return ");
}
fprintf(f, RS_INTERNAL_PREFIX "%s(", api->name);
if (!api->nocontext) {
fprintf(f, "(Context *)rsc");
}
for (ct2=0; ct2 < api->paramCount; ct2++) {
const VarType *vt = &api->params[ct2];
if (ct2 > 0 || !api->nocontext) {
fprintf(f, ", ");
}
fprintf(f, "%s", vt->name);
}
fprintf(f, ");\n");
if (!api->ret.typeName[0]) {
fprintf(f, " return;");
}
fprintf(f, " }\n\n");
fprintf(f, " ThreadIO *io = &((Context *)rsc)->mIO;\n");
fprintf(f, " const size_t size = sizeof(RS_CMD_%s);\n", api->name);
if (hasInlineDataPointers(api)) {
fprintf(f, " size_t dataSize = 0;\n");
for (ct2=0; ct2 < api->paramCount; ct2++) {
const VarType *vt = &api->params[ct2];
if (vt->isConst && vt->ptrLevel) {
fprintf(f, " dataSize += %s_length;\n", vt->name);
}
}
}
//fprintf(f, " ALOGE(\"add command %s\\n\");\n", api->name);
if (hasInlineDataPointers(api)) {
fprintf(f, " RS_CMD_%s *cmd = NULL;\n", api->name);
fprintf(f, " if (dataSize < io->getMaxInlineSize()) {;\n");
fprintf(f, " cmd = static_cast<RS_CMD_%s *>(io->coreHeader(RS_CMD_ID_%s, dataSize + size));\n", api->name, api->name);
fprintf(f, " } else {\n");
fprintf(f, " cmd = static_cast<RS_CMD_%s *>(io->coreHeader(RS_CMD_ID_%s, size));\n", api->name, api->name);
fprintf(f, " }\n");
fprintf(f, " uint8_t *payload = (uint8_t *)&cmd[1];\n");
} else {
fprintf(f, " RS_CMD_%s *cmd = static_cast<RS_CMD_%s *>(io->coreHeader(RS_CMD_ID_%s, size));\n", api->name, api->name, api->name);
}
for (ct2=0; ct2 < api->paramCount; ct2++) {
const VarType *vt = &api->params[ct2];
needFlush += vt->ptrLevel;
if (vt->ptrLevel && hasInlineDataPointers(api)) {
fprintf(f, " if (%s_length == 0) {\n", vt->name);
fprintf(f, " cmd->%s = NULL;\n", vt->name);
fprintf(f, " } else if (dataSize < io->getMaxInlineSize()) {\n");
fprintf(f, " memcpy(payload, %s, %s_length);\n", vt->name, vt->name);
fprintf(f, " cmd->%s = (", vt->name);
printVarType(f, vt);
fprintf(f, ")(payload - ((uint8_t *)&cmd[1]));\n");
fprintf(f, " payload += %s_length;\n", vt->name);
fprintf(f, " } else {\n");
fprintf(f, " cmd->%s = %s;\n", vt->name, vt->name);
fprintf(f, " }\n");
} else {
fprintf(f, " cmd->%s = %s;\n", vt->name, vt->name);
}
}
if (api->ret.typeName[0] || api->sync) {
needFlush = 1;
}
fprintf(f, " io->coreCommit();\n");
if (hasInlineDataPointers(api)) {
fprintf(f, " if (dataSize >= io->getMaxInlineSize()) {\n");
fprintf(f, " io->coreGetReturn(NULL, 0);\n");
fprintf(f, " }\n");
} else if (api->ret.typeName[0]) {
fprintf(f, "\n ");
printVarType(f, &api->ret);
fprintf(f, " ret;\n");
fprintf(f, " io->coreGetReturn(&ret, sizeof(ret));\n");
fprintf(f, " return ret;\n");
} else if (needFlush) {
fprintf(f, " io->coreGetReturn(NULL, 0);\n");
}
}
fprintf(f, "};\n\n");
}
fprintf(f, "\n");
for (ct=0; ct < apiCount; ct++) {
int needFlush = 0;
const ApiEntry * api = &apis[ct];
fprintf(f, "extern \"C\" ");
printFuncDecl(f, api, "rs", 0, 0);
fprintf(f, "\n{\n");
fprintf(f, " ");
if (api->ret.typeName[0]) {
fprintf(f, "return ");
}
fprintf(f, LOCAL_FIFO_PREFIX "%s(", api->name);
if (!api->nocontext) {
fprintf(f, "(Context *)rsc");
}
for (ct2=0; ct2 < api->paramCount; ct2++) {
const VarType *vt = &api->params[ct2];
if (ct2 > 0 || !api->nocontext) {
fprintf(f, ", ");
}
fprintf(f, "%s", vt->name);
}
fprintf(f, ");\n");
fprintf(f, "}\n\n");
}
}
void printPlaybackCpp(FILE *f) {
int ct;
int ct2;
fprintf(f, RSG_API_REPLAY_CPP_DOC);
fprintf(f, "#include \"rsDevice.h\"\n");
fprintf(f, "#include \"rsContext.h\"\n");
fprintf(f, "#include \"rsThreadIO.h\"\n");
fprintf(f, "#include \"rsgApiStructs.h\"\n");
fprintf(f, "#include \"rsgApiFuncDecl.h\"\n");
fprintf(f, "\n");
fprintf(f, "namespace android {\n");
fprintf(f, "namespace renderscript {\n");
fprintf(f, "\n");
// Generate functions to play back messages sent from the local FIFO.
for (ct=0; ct < apiCount; ct++) {
const ApiEntry * api = &apis[ct];
int needFlush = 0;
if (api->direct) {
continue;
}
fprintf(f, "void " RS_PLAYBACK_PREFIX "%s(Context *con, const void *vp, size_t cmdSizeBytes) {\n", api->name);
fprintf(f, " const RS_CMD_%s *cmd = static_cast<const RS_CMD_%s *>(vp);\n", api->name, api->name);
if (hasInlineDataPointers(api)) {
fprintf(f, " const uint8_t *baseData = 0;\n");
fprintf(f, " if (cmdSizeBytes != sizeof(RS_CMD_%s)) {\n", api->name);
fprintf(f, " baseData = &((const uint8_t *)vp)[sizeof(*cmd)];\n");
fprintf(f, " }\n");
}
fprintf(f, " ");
if (api->ret.typeName[0]) {
fprintf(f, "\n ");
printVarType(f, &api->ret);
fprintf(f, " ret = ");
}
fprintf(f, RS_INTERNAL_PREFIX "%s(con", api->name);
for (ct2=0; ct2 < api->paramCount; ct2++) {
const VarType *vt = &api->params[ct2];
needFlush += vt->ptrLevel;
if (hasInlineDataPointers(api) && vt->ptrLevel) {
fprintf(f, ",\n cmd->%s_length == 0 ? NULL : (const %s *)&baseData[(intptr_t)cmd->%s]",
vt->name, vt->typeName, vt->name);
} else {
fprintf(f, ",\n cmd->%s", vt->name);
}
}
fprintf(f, ");\n");
if (hasInlineDataPointers(api)) {
fprintf(f, " size_t totalSize = 0;\n");
for (ct2=0; ct2 < api->paramCount; ct2++) {
if (api->params[ct2].ptrLevel) {
fprintf(f, " totalSize += cmd->%s_length;\n", api->params[ct2].name);
}
}
fprintf(f, " if ((totalSize != 0) && (cmdSizeBytes == sizeof(RS_CMD_%s))) {\n", api->name);
fprintf(f, " con->mIO.coreSetReturn(NULL, 0);\n");
fprintf(f, " }\n");
} else if (api->ret.typeName[0]) {
fprintf(f, " con->mIO.coreSetReturn(&ret, sizeof(ret));\n");
} else if (api->sync || needFlush) {
fprintf(f, " con->mIO.coreSetReturn(NULL, 0);\n");
}
fprintf(f, "};\n\n");
}
// Generate the globally accessible table of playback functions.
fprintf(f, "RsPlaybackLocalFunc gPlaybackFuncs[%i] = {\n", apiCount + 1);
fprintf(f, " NULL,\n");
for (ct=0; ct < apiCount; ct++) {
if (apis[ct].direct) {
fprintf(f, " NULL,\n");
} else {
fprintf(f, " %s%s,\n", RS_PLAYBACK_PREFIX, apis[ct].name);
}
}
fprintf(f, "};\n");
fprintf(f, "};\n");
fprintf(f, "};\n");
}
void yylex();
int main(int argc, char **argv) {
if (argc != 3) {
fprintf(stderr, "usage: %s commandFile outFile\n", argv[0]);
return 1;
}
const char* rsgFile = argv[1];
const char* outFile = argv[2];
FILE* input = fopen(rsgFile, "r");
char choice = fgetc(input);
fclose(input);
if (choice < '0' || choice > '3') {
fprintf(stderr, "Uknown command: \'%c\'\n", choice);
return -2;
}
yylex();
// printf("# of lines = %d\n", num_lines);
FILE *f = fopen(outFile, "w");
printFileHeader(f);
switch (choice) {
case '0': // rsgApiStructs.h
{
fprintf(f, "\n");
fprintf(f, "#include \"rsContext.h\"\n");
fprintf(f, "#include \"rsFifo.h\"\n");
fprintf(f, "\n");
fprintf(f, "namespace android {\n");
fprintf(f, "namespace renderscript {\n");
printStructures(f);
printFuncDecls(f, RS_INTERNAL_PREFIX, 1, 0);
printPlaybackFuncs(f, RS_PLAYBACK_PREFIX);
fprintf(f, "typedef void (*RsPlaybackLocalFunc)(Context *, const void *, size_t sizeBytes);\n");
fprintf(f, "extern RsPlaybackLocalFunc gPlaybackFuncs[%i];\n", apiCount + 1);
fprintf(f, "}\n");
fprintf(f, "}\n");
}
break;
case '1': // rsgApiFuncDecl.h
{
printFuncDecls(f, "rs", 0, 1);
}
break;
case '2': // rsgApi.cpp
{
printApiCpp(f);
}
break;
case '3': // rsgApiReplay.cpp
{
printPlaybackCpp(f);
}
break;
}
fclose(f);
return 0;
}