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);
}
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 TranslatorESSL::translate(TIntermNode* root) {
TInfoSinkBase& sink = getInfoSink().obj;
// Write built-in extension behaviors.
writeExtensionBehavior();
// Write translated shader.
TOutputESSL outputESSL(sink);
root->traverse(&outputESSL);
}
void TranslatorESSL::translate(TIntermNode* root) {
TInfoSinkBase& sink = getInfoSink().obj;
// 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 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);
}
