/**
* \brief Entry point.
* \param argc The number of input parameters.
* \param argv The input parameters.
*/
int main(int argc, char *argv[]) {
/* the resource manager must be initialized before any
* further actions are implemented */
rm_init(&resource_mgr);
if (process_options(argc, argv) == 1) {
rm_cleanup_resources(&resource_mgr);
exit(EXIT_FAILURE);
}
if (cc_options.print_only_errors != 1) {
printf("Input: %s\n", cc_options.input_file);
printf("Output: %s\n", cc_options.output_file);
printf("IR: %s\n", cc_options.ir_file);
}
yyin = fopen(cc_options.input_file, "r");
if (!yyin) {
fprintf(stderr,
"Input file could not be opened for reading. Maybe, file does not exist?");
} else {
setSymbolTable(createSymbol());
yyparse();
fclose(yyin);
irCode_t* ircode = NULL;
if (cc_options.ir_file != NULL) {
FILE *irFile;
irFile = fopen(cc_options.ir_file, "w+");
// Test symbolTable
print_symTab(irFile);
// get ir code and print it into irFile
struct func_t *func, *tmp;
HASH_ITER(hh, getSymbolTable()->symFunc, func, tmp) {
if (func->symbol != NULL) {
fprintf(irFile, "Function %s:\n", func->id);
printIRCode(irFile, func->symbol->ircode);
}
}
fclose(irFile);
}
yyout = fopen(cc_options.output_file, "w+");
if (!yyout) {
fprintf(stderr,
"Output file could not be opened for writing. Maybe, file does not exist?");
} else {
int ret = mips32gen(yyout, ircode, getSymbolTable());
if (ret != 0) {
fprintf(stderr, "Error generating mips32 code with code: %d\n",
ret);
}
fclose(yyout);
}
}
void TranslatorESSL::translate(TIntermNode *root, int) {
TInfoSinkBase& sink = getInfoSink().obj;
int shaderVer = getShaderVersion();
if (shaderVer > 100)
{
sink << "#version " << shaderVer << " es\n";
}
writePragma();
// Write built-in extension behaviors.
writeExtensionBehavior();
bool precisionEmulation = getResources().WEBGL_debug_shader_precision && getPragma().debugShaderPrecision;
if (precisionEmulation)
{
EmulatePrecision emulatePrecision(getSymbolTable(), shaderVer);
root->traverse(&emulatePrecision);
emulatePrecision.updateTree();
emulatePrecision.writeEmulationHelpers(sink, SH_ESSL_OUTPUT);
}
unsigned int temporaryIndex = 0;
RecordConstantPrecision(root, &temporaryIndex);
// Write emulated built-in functions if needed.
if (!getBuiltInFunctionEmulator().IsOutputEmpty())
{
sink << "// BEGIN: Generated code for built-in function emulation\n\n";
if (getShaderType() == GL_FRAGMENT_SHADER)
{
sink << "#if defined(GL_FRAGMENT_PRECISION_HIGH)\n"
<< "#define webgl_emu_precision highp\n"
<< "#else\n"
<< "#define webgl_emu_precision mediump\n"
<< "#endif\n\n";
}
else
{
sink << "#define webgl_emu_precision highp\n";
}
getBuiltInFunctionEmulator().OutputEmulatedFunctions(sink);
sink << "// END: Generated code for built-in function emulation\n\n";
}
// Write array bounds clamping emulation if needed.
getArrayBoundsClamper().OutputClampingFunctionDefinition(sink);
// Write translated shader.
TOutputESSL outputESSL(sink, getArrayIndexClampingStrategy(), getHashFunction(), getNameMap(),
getSymbolTable(), shaderVer, precisionEmulation);
root->traverse(&outputESSL);
}
void TranslatorGLSL::translate(TIntermNode *root, int) {
TInfoSinkBase& sink = getInfoSink().obj;
// Write GLSL version.
writeVersion(root);
writePragma();
// Write extension behaviour as needed
writeExtensionBehavior();
bool precisionEmulation = getResources().WEBGL_debug_shader_precision && getPragma().debugShaderPrecision;
if (precisionEmulation)
{
EmulatePrecision emulatePrecision;
root->traverse(&emulatePrecision);
emulatePrecision.updateTree();
emulatePrecision.writeEmulationHelpers(sink, getOutputType());
}
// Write emulated built-in functions if needed.
if (!getBuiltInFunctionEmulator().IsOutputEmpty())
{
sink << "// BEGIN: Generated code for built-in function emulation\n\n";
sink << "#define webgl_emu_precision\n\n";
getBuiltInFunctionEmulator().OutputEmulatedFunctions(sink);
sink << "// END: Generated code for built-in function emulation\n\n";
}
// Write array bounds clamping emulation if needed.
getArrayBoundsClamper().OutputClampingFunctionDefinition(sink);
// Declare gl_FragColor and glFragData as webgl_FragColor and webgl_FragData
// if it's core profile shaders and they are used.
if (getShaderType() == GL_FRAGMENT_SHADER && IsGLSL130OrNewer(getOutputType()))
{
TFragmentOutSearcher searcher;
root->traverse(&searcher);
ASSERT(!(searcher.usesGlFragData() && searcher.usesGlFragColor()));
if (searcher.usesGlFragColor())
{
sink << "out vec4 webgl_FragColor;\n";
}
if (searcher.usesGlFragData())
{
sink << "out vec4 webgl_FragData[gl_MaxDrawBuffers];\n";
}
}
// Write translated shader.
TOutputGLSL outputGLSL(sink,
getArrayIndexClampingStrategy(),
getHashFunction(),
getNameMap(),
getSymbolTable(),
getShaderVersion(),
getOutputType());
root->traverse(&outputGLSL);
}
int main(){
printf("******* INTIATING COMPILER ***********\n");
//printf("Choose Relevant stage of compiler:\n");
//printf("1. Lexical Analysis\n");
//printf("2. Parsing\n");
//printf("3. Semantic Analysis\n");
//printf("4. Code Generation\n");
int choice,i;
char c;
if(1){
hashTable* T = build_hash(); // build the hash table to maintain state of tokens
printStoreHash(T); // store hashTable in a file
Dnode* DFA = buildDFA();
memset(LexicalUnits,'\0',sizeof(LexicalUnits));
lexerCode(DFA,T,LexicalUnits,tokenValue,line);
printf("\nLexer tokens have been generated in Lexer Tokens.txt\n");
pnode* root=NULL;
root=parse(LexicalUnits,tokenValue,line);
printf("\nParse tree generated in parseTree.txt\n");
pnode* ast=getAST(root);
printf("\nAbstarct Syntax Tree Generated in AbstractSyntaxTree.txt\n");
Master *sym = (Master*)malloc(sizeof (Master));
getSymbolTable(sym,ast);
printf("\nSymbol Table Generated in symbolTable.txt\n");
GenerateCode(sym,ast);
printf("\nCode Generation Successfull\n\n");
}
return 0;
}
void MatrixInit(ASTnode* ID,ASTnode* rows){
ASTnode* rowsMain=rows;
int colSize,curColSize;
int n=0;
token bufToken;
colSize=computeColSize(rows->array[0]);
bufToken.lineNumber=rows->array[0]->array[0]->t.lineNumber;
while(rows!=NULL){
n++;
curColSize=computeColSize(rows->array[0]);
rows=rows->array[1];
if(curColSize!=colSize){
semanticError(4,bufToken);
return;
}
}
SymbolTableEntryNode* t=getSymbolTableNode(ID);
SymbolTable* h=getSymbolTable(ID);
t->type.id.initialized=1;
t->type.id.length[0]=n;
t->type.id.length[1]=colSize;
t->type.id.offset=h->offset;
populateMatrix(t, rowsMain);
h->offset+=n*colSize;
//printf("Matrix t->lexeme %s, size initialized: %d %d",t->lexeme,t->type.id.length[0],t->type.id.length[1]);
}
void TranslatorGLSL::translate(TIntermNode *root, int) {
TInfoSinkBase& sink = getInfoSink().obj;
// Write GLSL version.
writeVersion(root);
writePragma();
// Write extension behaviour as needed
writeExtensionBehavior();
bool precisionEmulation = getResources().WEBGL_debug_shader_precision && getPragma().debugShaderPrecision;
if (precisionEmulation)
{
EmulatePrecision emulatePrecision(getSymbolTable(), getShaderVersion());
root->traverse(&emulatePrecision);
emulatePrecision.updateTree();
emulatePrecision.writeEmulationHelpers(sink, getOutputType());
}
// Write emulated built-in functions if needed.
if (!getBuiltInFunctionEmulator().IsOutputEmpty())
{
sink << "// BEGIN: Generated code for built-in function emulation\n\n";
sink << "#define webgl_emu_precision\n\n";
getBuiltInFunctionEmulator().OutputEmulatedFunctions(sink);
sink << "// END: Generated code for built-in function emulation\n\n";
}
// Write translated shader.
TOutputGLSL outputGLSL(sink,
getHashFunction(),
getNameMap(),
getSymbolTable(),
getShaderVersion(),
getOutputType());
root->traverse(&outputGLSL);
}
void StringInit(ASTnode* ID,char* lexeme){
int len=strlen(lexeme);
SymbolTableEntryNode* t=getSymbolTableNode(ID);
SymbolTable* h=getSymbolTable(ID);
t->type.id.initialized=1;
int i;
for(i=0; i<len-2;i++){
t->type.id.val.stringValue[i]=lexeme[i+1];
}
//printf("<String:%s>",t->type.id.val.stringValue);
t->type.id.length[0]=len-2;
t->type.id.offset=h->offset;
h->offset+=len;
//printf("String t->lexeme %s %s, size initialized: %d",t->lexeme,lexeme,t->type.id.length[0]);
}
void TranslatorESSL::translate(TIntermNode* root) {
TInfoSinkBase& sink = getInfoSink().obj;
writePragma();
// Write built-in extension behaviors.
writeExtensionBehavior();
// Write emulated built-in functions if needed.
getBuiltInFunctionEmulator().OutputEmulatedFunctionDefinition(
sink, getShaderType() == GL_FRAGMENT_SHADER);
// Write array bounds clamping emulation if needed.
getArrayBoundsClamper().OutputClampingFunctionDefinition(sink);
// Write translated shader.
TOutputESSL outputESSL(sink, getArrayIndexClampingStrategy(), getHashFunction(), getNameMap(), getSymbolTable(), getShaderVersion());
root->traverse(&outputESSL);
}
void TranslatorGLSL::translate(TIntermNode *root, int compileOptions)
{
TInfoSinkBase& sink = getInfoSink().obj;
// Write GLSL version.
writeVersion(root);
writePragma();
// Write extension behaviour as needed
writeExtensionBehavior(root);
bool precisionEmulation = getResources().WEBGL_debug_shader_precision && getPragma().debugShaderPrecision;
if (precisionEmulation)
{
EmulatePrecision emulatePrecision(getSymbolTable(), getShaderVersion());
root->traverse(&emulatePrecision);
emulatePrecision.updateTree();
emulatePrecision.writeEmulationHelpers(sink, getOutputType());
}
// Write emulated built-in functions if needed.
if (!getBuiltInFunctionEmulator().IsOutputEmpty())
{
sink << "// BEGIN: Generated code for built-in function emulation\n\n";
sink << "#define webgl_emu_precision\n\n";
getBuiltInFunctionEmulator().OutputEmulatedFunctions(sink);
sink << "// END: Generated code for built-in function emulation\n\n";
}
// Write array bounds clamping emulation if needed.
getArrayBoundsClamper().OutputClampingFunctionDefinition(sink);
// Declare gl_FragColor and glFragData as webgl_FragColor and webgl_FragData
// if it's core profile shaders and they are used.
if (getShaderType() == GL_FRAGMENT_SHADER)
{
const bool mayHaveESSL1SecondaryOutputs =
IsExtensionEnabled(getExtensionBehavior(), "GL_EXT_blend_func_extended") &&
getShaderVersion() == 100;
const bool declareGLFragmentOutputs = IsGLSL130OrNewer(getOutputType());
bool hasGLFragColor = false;
bool hasGLFragData = false;
bool hasGLSecondaryFragColor = false;
bool hasGLSecondaryFragData = false;
for (const auto &outputVar : outputVariables)
{
if (declareGLFragmentOutputs)
{
if (outputVar.name == "gl_FragColor")
{
ASSERT(!hasGLFragColor);
hasGLFragColor = true;
continue;
}
else if (outputVar.name == "gl_FragData")
{
ASSERT(!hasGLFragData);
hasGLFragData = true;
continue;
}
}
if (mayHaveESSL1SecondaryOutputs)
{
if (outputVar.name == "gl_SecondaryFragColorEXT")
{
ASSERT(!hasGLSecondaryFragColor);
hasGLSecondaryFragColor = true;
continue;
}
else if (outputVar.name == "gl_SecondaryFragDataEXT")
{
ASSERT(!hasGLSecondaryFragData);
hasGLSecondaryFragData = true;
continue;
}
}
}
ASSERT(!((hasGLFragColor || hasGLSecondaryFragColor) &&
(hasGLFragData || hasGLSecondaryFragData)));
if (hasGLFragColor)
{
sink << "out vec4 webgl_FragColor;\n";
}
if (hasGLFragData)
{
sink << "out vec4 webgl_FragData[gl_MaxDrawBuffers];\n";
}
if (hasGLSecondaryFragColor)
{
sink << "out vec4 angle_SecondaryFragColor;\n";
}
if (hasGLSecondaryFragData)
{
sink << "out vec4 angle_SecondaryFragData[" << getResources().MaxDualSourceDrawBuffers
<< "];\n";
}
}
// Write translated shader.
TOutputGLSL outputGLSL(sink,
getArrayIndexClampingStrategy(),
getHashFunction(),
getNameMap(),
getSymbolTable(),
getShaderVersion(),
getOutputType());
root->traverse(&outputGLSL);
}
void TranslatorESSL::translate(TIntermBlock *root,
ShCompileOptions compileOptions,
PerformanceDiagnostics * /*perfDiagnostics*/)
{
TInfoSinkBase &sink = getInfoSink().obj;
int shaderVer = getShaderVersion();
if (shaderVer > 100)
{
sink << "#version " << shaderVer << " es\n";
}
// Write built-in extension behaviors.
writeExtensionBehavior(compileOptions);
// Write pragmas after extensions because some drivers consider pragmas
// like non-preprocessor tokens.
writePragma(compileOptions);
bool precisionEmulation =
getResources().WEBGL_debug_shader_precision && getPragma().debugShaderPrecision;
if (precisionEmulation)
{
EmulatePrecision emulatePrecision(&getSymbolTable());
root->traverse(&emulatePrecision);
emulatePrecision.updateTree();
emulatePrecision.writeEmulationHelpers(sink, shaderVer, SH_ESSL_OUTPUT);
}
RecordConstantPrecision(root, &getSymbolTable());
// Write emulated built-in functions if needed.
if (!getBuiltInFunctionEmulator().isOutputEmpty())
{
sink << "// BEGIN: Generated code for built-in function emulation\n\n";
if (getShaderType() == GL_FRAGMENT_SHADER)
{
sink << "#if defined(GL_FRAGMENT_PRECISION_HIGH)\n"
<< "#define emu_precision highp\n"
<< "#else\n"
<< "#define emu_precision mediump\n"
<< "#endif\n\n";
}
else
{
sink << "#define emu_precision highp\n";
}
getBuiltInFunctionEmulator().outputEmulatedFunctions(sink);
sink << "// END: Generated code for built-in function emulation\n\n";
}
// Write array bounds clamping emulation if needed.
getArrayBoundsClamper().OutputClampingFunctionDefinition(sink);
if (getShaderType() == GL_COMPUTE_SHADER && isComputeShaderLocalSizeDeclared())
{
const sh::WorkGroupSize &localSize = getComputeShaderLocalSize();
sink << "layout (local_size_x=" << localSize[0] << ", local_size_y=" << localSize[1]
<< ", local_size_z=" << localSize[2] << ") in;\n";
}
if (getShaderType() == GL_GEOMETRY_SHADER_EXT)
{
WriteGeometryShaderLayoutQualifiers(
sink, getGeometryShaderInputPrimitiveType(), getGeometryShaderInvocations(),
getGeometryShaderOutputPrimitiveType(), getGeometryShaderMaxVertices());
}
// Write translated shader.
TOutputESSL outputESSL(sink, getArrayIndexClampingStrategy(), getHashFunction(), getNameMap(),
&getSymbolTable(), getShaderType(), shaderVer, precisionEmulation,
compileOptions);
root->traverse(&outputESSL);
}
int main()
{
//=====================================================================
// Initialize variables
//=====================================================================
int running,n=0,arg,time=0;
double dist=0,angle=0;
count = 1;
reg_k = 0.35;
//=====================================================================
// Establish connection to robot sensors and actuators.
//=====================================================================
if (rhdConnect('w',"localhost",ROBOTPORT)!='w'){
printf("Can't connect to rhd \n");
exit(EXIT_FAILURE);
}
printf("connected to robot \n");
if ((inputtable=getSymbolTable('r'))== NULL){
printf("Can't connect to rhd \n");
exit(EXIT_FAILURE);
}
if ((outputtable=getSymbolTable('w'))== NULL){
printf("Can't connect to rhd \n");
exit(EXIT_FAILURE);
}
// connect to robot I/O variables
lenc=getinputref("encl",inputtable);
renc=getinputref("encr",inputtable);
linesensor=getinputref("linesensor",inputtable);
irsensor=getinputref("irsensor",inputtable);
speedl=getoutputref("speedl",outputtable);
speedr=getoutputref("speedr",outputtable);
resetmotorr=getoutputref("resetmotorr",outputtable);
resetmotorl=getoutputref("resetmotorl",outputtable);
//=====================================================================
// Camera server code initialization
//=====================================================================
/* Create endpoint */
lmssrv.port=24919;
strcpy(lmssrv.host,"127.0.0.1");
strcpy(lmssrv.name,"laserserver");
lmssrv.status=1;
camsrv.port=24920;
strcpy(camsrv.host,"127.0.0.1");
camsrv.config=1;
strcpy(camsrv.name,"cameraserver");
camsrv.status=1;
if (camsrv.config) {
int errno = 0;
camsrv.sockfd = socket(AF_INET, SOCK_STREAM, 0);
if ( camsrv.sockfd < 0 )
{
perror(strerror(errno));
fprintf(stderr," Can not make socket\n");
exit(errno);
}
serverconnect(&camsrv);
xmldata=xml_in_init(4096,32);
printf(" camera server xml initialized \n");
}
//=====================================================================
// LMS server code initialization
//=====================================================================
/* Create endpoint */
lmssrv.config=1;
if (lmssrv.config) {
char buf[256];
int errno = 0,len;
lmssrv.sockfd = socket(AF_INET, SOCK_STREAM, 0);
if ( lmssrv.sockfd < 0 )
{
perror(strerror(errno));
fprintf(stderr," Can not make socket\n");
exit(errno);
}
serverconnect(&lmssrv);
if (lmssrv.connected){
xmllaser=xml_in_init(4096,32);
printf(" laserserver xml initialized \n");
len=sprintf(buf,"scanpush cmd='zoneobst'\n");
send(lmssrv.sockfd,buf,len,0);
}
}
/* Read sensors and zero our position.
*/
rhdSync();
odo.w=WHEEL_SEPARATION;
odo.cr=DELTA_M;
odo.cl=odo.cr;
odo.left_enc=lenc->data[0];
odo.right_enc=renc->data[0];
reset_odo(&odo);
running=1;
mission.state=ms_init;
mission.oldstate=-1;
reset_sen(&sen);
//=====================================================================
// Main program loop
//=====================================================================
while (running){
if (lmssrv.config && lmssrv.status && lmssrv.connected){
while ( (xml_in_fd(xmllaser,lmssrv.sockfd) >0))
xml_proca(xmllaser);
}
if (camsrv.config && camsrv.status && camsrv.connected){
while ( (xml_in_fd(xmldata,camsrv.sockfd) >0))
xml_proc(xmldata);
}
rhdSync();
odo.left_enc=lenc->data[0];
odo.right_enc=renc->data[0];
update_odo(&odo);
update_sen(&sen);
//=====================================================================
// Mission reading function !!!!!!MAKE!!!!!
//=====================================================================
if(turn(-M_PI,0.5,time,&mot) == 1)
running = 0;
//printf("%f %f %f %f %f %d %d %d\n",sen.irarr[0],sen.irarr[1],sen.irarr[2],sen.irarr[3],sen.irarr[4]);
mot.left_pos=odo.left_pos;
mot.right_pos=odo.right_pos;
//update_motcon(&mot);
speedl->data[0]=100*mot.motorspeed_l;
speedl->updated=1;
speedr->data[0]=100*mot.motorspeed_r;
speedr->updated=1;
if (time % 100 ==0)
time++;
/* stop if keyboard is activated
*
*/
ioctl(0, FIONREAD, &arg);
if (arg!=0) running=0;
}/* end of main control loop */
speedl->data[0]=0;
speedl->updated=1;
speedr->data[0]=0;
speedr->updated=1;
rhdSync();
rhdDisconnect();
exit(0);
}
void TranslatorGLSL::translate(TIntermNode *root, ShCompileOptions compileOptions)
{
TInfoSinkBase& sink = getInfoSink().obj;
// Write GLSL version.
writeVersion(root);
// Write extension behaviour as needed
writeExtensionBehavior(root);
// Write pragmas after extensions because some drivers consider pragmas
// like non-preprocessor tokens.
writePragma(compileOptions);
// If flattening the global invariant pragma, write invariant declarations for built-in
// variables. It should be harmless to do this twice in the case that the shader also explicitly
// did this. However, it's important to emit invariant qualifiers only for those built-in
// variables that are actually used, to avoid affecting the behavior of the shader.
if ((compileOptions & SH_FLATTEN_PRAGMA_STDGL_INVARIANT_ALL) && getPragma().stdgl.invariantAll)
{
ASSERT(wereVariablesCollected());
switch (getShaderType())
{
case GL_VERTEX_SHADER:
sink << "invariant gl_Position;\n";
// gl_PointSize should be declared invariant in both ESSL 1.00 and 3.00 fragment
// shaders if it's statically referenced.
conditionallyOutputInvariantDeclaration("gl_PointSize");
break;
case GL_FRAGMENT_SHADER:
// The preprocessor will reject this pragma if it's used in ESSL 3.00 fragment
// shaders, so we can use simple logic to determine whether to declare these
// variables invariant.
conditionallyOutputInvariantDeclaration("gl_FragCoord");
conditionallyOutputInvariantDeclaration("gl_PointCoord");
break;
default:
// Currently not reached, but leave this in for future expansion.
ASSERT(false);
break;
}
}
if ((compileOptions & SH_REWRITE_TEXELFETCHOFFSET_TO_TEXELFETCH) != 0)
{
sh::RewriteTexelFetchOffset(root, getSymbolTable(), getShaderVersion());
}
bool precisionEmulation = getResources().WEBGL_debug_shader_precision && getPragma().debugShaderPrecision;
if (precisionEmulation)
{
EmulatePrecision emulatePrecision(getSymbolTable(), getShaderVersion());
root->traverse(&emulatePrecision);
emulatePrecision.updateTree();
emulatePrecision.writeEmulationHelpers(sink, getShaderVersion(), getOutputType());
}
// Write emulated built-in functions if needed.
if (!getBuiltInFunctionEmulator().IsOutputEmpty())
{
sink << "// BEGIN: Generated code for built-in function emulation\n\n";
sink << "#define webgl_emu_precision\n\n";
getBuiltInFunctionEmulator().OutputEmulatedFunctions(sink);
sink << "// END: Generated code for built-in function emulation\n\n";
}
// Write array bounds clamping emulation if needed.
getArrayBoundsClamper().OutputClampingFunctionDefinition(sink);
// Declare gl_FragColor and glFragData as webgl_FragColor and webgl_FragData
// if it's core profile shaders and they are used.
if (getShaderType() == GL_FRAGMENT_SHADER)
{
const bool mayHaveESSL1SecondaryOutputs =
IsExtensionEnabled(getExtensionBehavior(), "GL_EXT_blend_func_extended") &&
getShaderVersion() == 100;
const bool declareGLFragmentOutputs = IsGLSL130OrNewer(getOutputType());
bool hasGLFragColor = false;
bool hasGLFragData = false;
bool hasGLSecondaryFragColor = false;
bool hasGLSecondaryFragData = false;
for (const auto &outputVar : outputVariables)
{
if (declareGLFragmentOutputs)
{
if (outputVar.name == "gl_FragColor")
{
ASSERT(!hasGLFragColor);
hasGLFragColor = true;
continue;
}
else if (outputVar.name == "gl_FragData")
{
ASSERT(!hasGLFragData);
hasGLFragData = true;
continue;
}
}
if (mayHaveESSL1SecondaryOutputs)
{
if (outputVar.name == "gl_SecondaryFragColorEXT")
{
ASSERT(!hasGLSecondaryFragColor);
hasGLSecondaryFragColor = true;
continue;
}
else if (outputVar.name == "gl_SecondaryFragDataEXT")
{
ASSERT(!hasGLSecondaryFragData);
hasGLSecondaryFragData = true;
continue;
}
}
}
ASSERT(!((hasGLFragColor || hasGLSecondaryFragColor) &&
(hasGLFragData || hasGLSecondaryFragData)));
if (hasGLFragColor)
{
sink << "out vec4 webgl_FragColor;\n";
}
if (hasGLFragData)
{
sink << "out vec4 webgl_FragData[gl_MaxDrawBuffers];\n";
}
if (hasGLSecondaryFragColor)
{
sink << "out vec4 angle_SecondaryFragColor;\n";
}
if (hasGLSecondaryFragData)
{
sink << "out vec4 angle_SecondaryFragData[" << getResources().MaxDualSourceDrawBuffers
<< "];\n";
}
}
if (getShaderType() == GL_COMPUTE_SHADER && isComputeShaderLocalSizeDeclared())
{
const sh::WorkGroupSize &localSize = getComputeShaderLocalSize();
sink << "layout (local_size_x=" << localSize[0] << ", local_size_y=" << localSize[1]
<< ", local_size_z=" << localSize[2] << ") in;\n";
}
// Write translated shader.
TOutputGLSL outputGLSL(sink, getArrayIndexClampingStrategy(), getHashFunction(), getNameMap(),
getSymbolTable(), getShaderType(), getShaderVersion(), getOutputType(),
compileOptions);
root->traverse(&outputGLSL);
}
void TranslatorHLSL::translate(TIntermNode *root, int compileOptions)
{
const ShBuiltInResources &resources = getResources();
int numRenderTargets = resources.EXT_draw_buffers ? resources.MaxDrawBuffers : 1;
sh::AddDefaultReturnStatements(root);
SeparateDeclarations(root);
// TODO (oetuaho): Sequence operators should also be split in case there is dynamic indexing of
// a vector or matrix as an l-value inside (RemoveDynamicIndexing transformation step generates
// statements in this case).
SplitSequenceOperator(root,
IntermNodePatternMatcher::kExpressionReturningArray |
IntermNodePatternMatcher::kUnfoldedShortCircuitExpression |
IntermNodePatternMatcher::kDynamicIndexingOfVectorOrMatrixInLValue,
getTemporaryIndex(), getSymbolTable(), getShaderVersion());
// Note that SeparateDeclarations needs to be run before UnfoldShortCircuitToIf.
UnfoldShortCircuitToIf(root, getTemporaryIndex());
SeparateExpressionsReturningArrays(root, getTemporaryIndex());
// Note that SeparateDeclarations needs to be run before SeparateArrayInitialization.
SeparateArrayInitialization(root);
// HLSL doesn't support arrays as return values, we'll need to make functions that have an array
// as a return value to use an out parameter to transfer the array data instead.
ArrayReturnValueToOutParameter(root, getTemporaryIndex());
if (!shouldRunLoopAndIndexingValidation(compileOptions))
{
// HLSL doesn't support dynamic indexing of vectors and matrices.
RemoveDynamicIndexing(root, getTemporaryIndex(), getSymbolTable(), getShaderVersion());
}
// Work around D3D9 bug that would manifest in vertex shaders with selection blocks which
// use a vertex attribute as a condition, and some related computation in the else block.
if (getOutputType() == SH_HLSL_3_0_OUTPUT && getShaderType() == GL_VERTEX_SHADER)
{
sh::RewriteElseBlocks(root, getTemporaryIndex());
}
bool precisionEmulation =
getResources().WEBGL_debug_shader_precision && getPragma().debugShaderPrecision;
if (precisionEmulation)
{
EmulatePrecision emulatePrecision(getSymbolTable(), getShaderVersion());
root->traverse(&emulatePrecision);
emulatePrecision.updateTree();
emulatePrecision.writeEmulationHelpers(getInfoSink().obj, getShaderVersion(),
getOutputType());
}
if ((compileOptions & SH_EXPAND_SELECT_HLSL_INTEGER_POW_EXPRESSIONS) != 0)
{
sh::ExpandIntegerPowExpressions(root, getTemporaryIndex());
}
sh::OutputHLSL outputHLSL(getShaderType(), getShaderVersion(), getExtensionBehavior(),
getSourcePath(), getOutputType(), numRenderTargets, getUniforms(), compileOptions);
outputHLSL.output(root, getInfoSink().obj);
mInterfaceBlockRegisterMap = outputHLSL.getInterfaceBlockRegisterMap();
mUniformRegisterMap = outputHLSL.getUniformRegisterMap();
}
void TranslatorGLSL::translate(TIntermNode* root) {
TInfoSinkBase& sink = getInfoSink().obj;
// Write GLSL version.
writeVersion(getShaderType(), root, sink);
// Write extension behaviour as needed
writeExtensionBehavior();
// Write emulated built-in functions if needed.
getBuiltInFunctionEmulator().OutputEmulatedFunctionDefinition(
sink, false);
// Write array bounds clamping emulation if needed.
getArrayBoundsClamper().OutputClampingFunctionDefinition(sink);
// Write translated shader.
TOutputGLSL outputGLSL(sink, getArrayIndexClampingStrategy(), getHashFunction(), getNameMap(), getSymbolTable(), getShaderVersion());
root->traverse(&outputGLSL);
}
ElfSymbolTable *ElfImage::symbolTable(bool preferDynamicSymbolTable) {
return getSymbolTable(
preferDynamicSymbolTable, _dynSymbolTable, _symbolTable);
}
void TranslatorESSL::translate(TIntermNode *root, int) {
TInfoSinkBase& sink = getInfoSink().obj;
writePragma();
// Write built-in extension behaviors.
writeExtensionBehavior();
bool precisionEmulation = getResources().WEBGL_debug_shader_precision && getPragma().debugShaderPrecision;
if (precisionEmulation)
{
EmulatePrecision emulatePrecision;
root->traverse(&emulatePrecision);
emulatePrecision.updateTree();
emulatePrecision.writeEmulationHelpers(sink, SH_ESSL_OUTPUT);
}
// Write emulated built-in functions if needed.
getBuiltInFunctionEmulator().OutputEmulatedFunctionDefinition(
sink, getShaderType() == GL_FRAGMENT_SHADER);
// Write array bounds clamping emulation if needed.
getArrayBoundsClamper().OutputClampingFunctionDefinition(sink);
// Write translated shader.
TOutputESSL outputESSL(sink, getArrayIndexClampingStrategy(), getHashFunction(), getNameMap(), getSymbolTable(), getShaderVersion(), precisionEmulation);
root->traverse(&outputESSL);
}
