void PrintActiveVariables(ShHandle compiler, ShShaderInfo varType)
{
size_t nameSize = 0;
switch (varType) {
case SH_ACTIVE_ATTRIBUTES:
ShGetInfo(compiler, SH_ACTIVE_ATTRIBUTE_MAX_LENGTH, &nameSize);
break;
case SH_ACTIVE_UNIFORMS:
ShGetInfo(compiler, SH_ACTIVE_UNIFORM_MAX_LENGTH, &nameSize);
break;
default:
assert(0);
}
if (nameSize <= 1) return;
char* name = new char[nameSize];
size_t activeVars = 0;
int size = 0;
sh::GLenum type = GL_NONE;
ShPrecisionType precision = SH_PRECISION_UNDEFINED;
int staticUse = 0;
const char* typeName = NULL;
ShGetInfo(compiler, varType, &activeVars);
for (size_t i = 0; i < activeVars; ++i) {
switch (varType) {
case SH_ACTIVE_ATTRIBUTES:
ShGetVariableInfo(compiler, SH_ACTIVE_ATTRIBUTES, static_cast<int>(i), NULL, &size, &type, &precision, &staticUse, name, NULL);
break;
case SH_ACTIVE_UNIFORMS:
ShGetVariableInfo(compiler, SH_ACTIVE_UNIFORMS, static_cast<int>(i), NULL, &size, &type, &precision, &staticUse, name, NULL);
break;
default:
assert(0);
}
switch (type) {
case GL_FLOAT:
typeName = "GL_FLOAT";
break;
case GL_FLOAT_VEC2:
typeName = "GL_FLOAT_VEC2";
break;
case GL_FLOAT_VEC3:
typeName = "GL_FLOAT_VEC3";
break;
case GL_FLOAT_VEC4:
typeName = "GL_FLOAT_VEC4";
break;
case GL_INT:
typeName = "GL_INT";
break;
case GL_INT_VEC2:
typeName = "GL_INT_VEC2";
break;
case GL_INT_VEC3:
typeName = "GL_INT_VEC3";
break;
case GL_INT_VEC4:
typeName = "GL_INT_VEC4";
break;
case GL_UNSIGNED_INT:
typeName = "GL_UNSIGNED_INT";
break;
case GL_UNSIGNED_INT_VEC2:
typeName = "GL_UNSIGNED_INT_VEC2";
break;
case GL_UNSIGNED_INT_VEC3:
typeName = "GL_UNSIGNED_INT_VEC3";
break;
case GL_UNSIGNED_INT_VEC4:
typeName = "GL_UNSIGNED_INT_VEC4";
break;
case GL_BOOL:
typeName = "GL_BOOL";
break;
case GL_BOOL_VEC2:
typeName = "GL_BOOL_VEC2";
break;
case GL_BOOL_VEC3:
typeName = "GL_BOOL_VEC3";
break;
case GL_BOOL_VEC4:
typeName = "GL_BOOL_VEC4";
break;
case GL_FLOAT_MAT2:
typeName = "GL_FLOAT_MAT2";
break;
case GL_FLOAT_MAT3:
typeName = "GL_FLOAT_MAT3";
break;
case GL_FLOAT_MAT4:
typeName = "GL_FLOAT_MAT4";
break;
case GL_FLOAT_MAT2x3:
typeName = "GL_FLOAT_MAT2x3";
break;
case GL_FLOAT_MAT3x2:
typeName = "GL_FLOAT_MAT3x2";
break;
case GL_FLOAT_MAT4x2:
typeName = "GL_FLOAT_MAT4x2";
break;
case GL_FLOAT_MAT2x4:
typeName = "GL_FLOAT_MAT2x4";
break;
case GL_FLOAT_MAT3x4:
typeName = "GL_FLOAT_MAT3x4";
break;
case GL_FLOAT_MAT4x3:
typeName = "GL_FLOAT_MAT4x3";
break;
case GL_SAMPLER_2D:
typeName = "GL_SAMPLER_2D";
break;
case GL_SAMPLER_CUBE:
typeName = "GL_SAMPLER_CUBE";
break;
case GL_SAMPLER_EXTERNAL_OES:
typeName = "GL_SAMPLER_EXTERNAL_OES";
break;
default:
assert(0);
}
printf("%lu: name:%s type:%s size:%d\n", i, name, typeName, size);
}
delete [] name;
}
void PrintActiveVariables(ShHandle compiler, ShShaderInfo varType, bool mapLongVariableNames)
{
size_t nameSize = 0;
switch (varType) {
case SH_ACTIVE_ATTRIBUTES:
ShGetInfo(compiler, SH_ACTIVE_ATTRIBUTE_MAX_LENGTH, &nameSize);
break;
case SH_ACTIVE_UNIFORMS:
ShGetInfo(compiler, SH_ACTIVE_UNIFORM_MAX_LENGTH, &nameSize);
break;
default: assert(0);
}
if (nameSize <= 1) return;
char* name = new char[nameSize];
char* mappedName = NULL;
if (mapLongVariableNames) {
size_t mappedNameSize = 0;
ShGetInfo(compiler, SH_MAPPED_NAME_MAX_LENGTH, &mappedNameSize);
mappedName = new char[mappedNameSize];
}
size_t activeVars = 0;
int size = 0;
ShDataType type = SH_NONE;
ShPrecisionType precision = SH_PRECISION_UNDEFINED;
int staticUse = 0;
const char* typeName = NULL;
ShGetInfo(compiler, varType, &activeVars);
for (size_t i = 0; i < activeVars; ++i) {
switch (varType) {
case SH_ACTIVE_ATTRIBUTES:
ShGetVariableInfo(compiler, SH_ACTIVE_ATTRIBUTES, static_cast<int>(i), NULL, &size, &type, &precision, &staticUse, name, mappedName);
break;
case SH_ACTIVE_UNIFORMS:
ShGetVariableInfo(compiler, SH_ACTIVE_UNIFORMS, static_cast<int>(i), NULL, &size, &type, &precision, &staticUse, name, mappedName);
break;
default: assert(0);
}
switch (type) {
case SH_FLOAT: typeName = "GL_FLOAT"; break;
case SH_FLOAT_VEC2: typeName = "GL_FLOAT_VEC2"; break;
case SH_FLOAT_VEC3: typeName = "GL_FLOAT_VEC3"; break;
case SH_FLOAT_VEC4: typeName = "GL_FLOAT_VEC4"; break;
case SH_INT: typeName = "GL_INT"; break;
case SH_INT_VEC2: typeName = "GL_INT_VEC2"; break;
case SH_INT_VEC3: typeName = "GL_INT_VEC3"; break;
case SH_INT_VEC4: typeName = "GL_INT_VEC4"; break;
case SH_BOOL: typeName = "GL_BOOL"; break;
case SH_BOOL_VEC2: typeName = "GL_BOOL_VEC2"; break;
case SH_BOOL_VEC3: typeName = "GL_BOOL_VEC3"; break;
case SH_BOOL_VEC4: typeName = "GL_BOOL_VEC4"; break;
case SH_FLOAT_MAT2: typeName = "GL_FLOAT_MAT2"; break;
case SH_FLOAT_MAT3: typeName = "GL_FLOAT_MAT3"; break;
case SH_FLOAT_MAT4: typeName = "GL_FLOAT_MAT4"; break;
case SH_SAMPLER_2D: typeName = "GL_SAMPLER_2D"; break;
case SH_SAMPLER_CUBE: typeName = "GL_SAMPLER_CUBE"; break;
case SH_SAMPLER_EXTERNAL_OES: typeName = "GL_SAMPLER_EXTERNAL_OES"; break;
default: assert(0);
}
printf("%u: name:%s type:%s size:%d", i, name, typeName, size);
if (mapLongVariableNames)
printf(" mapped name:%s", mappedName);
printf("\n");
}
delete [] name;
if (mappedName)
delete [] mappedName;
}
static bool getSymbolInfo(ShHandle compiler, ShShaderInfo symbolType, Vector<ANGLEShaderSymbol>& symbols)
{
ShShaderInfo symbolMaxNameLengthType;
switch (symbolType) {
case SH_ACTIVE_ATTRIBUTES:
symbolMaxNameLengthType = SH_ACTIVE_ATTRIBUTE_MAX_LENGTH;
break;
case SH_ACTIVE_UNIFORMS:
symbolMaxNameLengthType = SH_ACTIVE_UNIFORM_MAX_LENGTH;
break;
default:
ASSERT_NOT_REACHED();
return false;
}
ANGLEGetInfoType numSymbols = getValidationResultValue(compiler, symbolType);
ANGLEGetInfoType maxNameLength = getValidationResultValue(compiler, symbolMaxNameLengthType);
if (maxNameLength <= 1)
return false;
ANGLEGetInfoType maxMappedNameLength = getValidationResultValue(compiler, SH_MAPPED_NAME_MAX_LENGTH);
if (maxMappedNameLength <= 1)
return false;
// The maximum allowed symbol name length is 256 characters.
Vector<char, 256> nameBuffer(maxNameLength);
Vector<char, 256> mappedNameBuffer(maxMappedNameLength);
for (ANGLEGetInfoType i = 0; i < numSymbols; ++i) {
ANGLEShaderSymbol symbol;
ANGLEGetInfoType nameLength = 0;
switch (symbolType) {
case SH_ACTIVE_ATTRIBUTES:
symbol.symbolType = SHADER_SYMBOL_TYPE_ATTRIBUTE;
#if ANGLE_SH_VERSION >= 112
ShGetVariableInfo(compiler, symbolType, i, &nameLength, &symbol.size, &symbol.dataType, &symbol.precision, &symbol.staticUse, nameBuffer.data(), mappedNameBuffer.data());
#else
ShGetVariableInfo(compiler, symbolType, i, &nameLength, &symbol.size, &symbol.dataType, &symbol.precision, nameBuffer.data(), mappedNameBuffer.data());
#endif
break;
case SH_ACTIVE_UNIFORMS:
symbol.symbolType = SHADER_SYMBOL_TYPE_UNIFORM;
#if ANGLE_SH_VERSION >= 112
ShGetVariableInfo(compiler, symbolType, i, &nameLength, &symbol.size, &symbol.dataType, &symbol.precision, &symbol.staticUse, nameBuffer.data(), mappedNameBuffer.data());
#else
ShGetVariableInfo(compiler, symbolType, i, &nameLength, &symbol.size, &symbol.dataType, &symbol.precision, nameBuffer.data(), mappedNameBuffer.data());
#endif
break;
default:
ASSERT_NOT_REACHED();
return false;
}
if (!nameLength)
return false;
// The ShGetActive* calls above are guaranteed to produce null-terminated strings for
// nameBuffer and mappedNameBuffer. Also, the character set for symbol names
// is a subset of Latin-1 as specified by the OpenGL ES Shading Language, Section 3.1 and
// WebGL, Section "Characters Outside the GLSL Source Character Set".
String name = String(nameBuffer.data());
String mappedName = String(mappedNameBuffer.data());
// ANGLE returns array names in the format "array[0]".
// The only way to know if a symbol is an array is to check if it ends with "[0]".
// We can't check the size because regular symbols and arrays of length 1 both have a size of 1.
symbol.isArray = name.endsWith("[0]") && mappedName.endsWith("[0]");
if (symbol.isArray) {
// Add a symbol for the array name without the "[0]" suffix.
name.truncate(name.length() - 3);
mappedName.truncate(mappedName.length() - 3);
}
symbol.name = name;
symbol.mappedName = mappedName;
symbols.append(symbol);
if (symbol.isArray) {
// Add symbols for each array element.
symbol.isArray = false;
for (int i = 0; i < symbol.size; i++) {
String arrayBrackets = "[" + String::number(i) + "]";
symbol.name = name + arrayBrackets;
symbol.mappedName = mappedName + arrayBrackets;
symbols.append(symbol);
}
}
}
return true;
}