void shader::compile( void )
{
glCompileShader( _shader );
GLint res;
glGetShaderiv( _shader, GL_COMPILE_STATUS, &res );
if ( res == GL_FALSE )
{
GLint len = 0;
glGetShaderiv( _shader, GL_SHADER_SOURCE_LENGTH, &len );
std::string source( static_cast<size_t>( len ), '\0' );
glGetShaderSource( _shader, len, nullptr, &source[0] );
std::cerr << "Compile error in:\n" << source << std::endl;
throw std::runtime_error( log() );
}
else
{
std::string l = base::trim( log() );
if ( !l.empty() )
{
GLint len = 0;
glGetShaderiv( _shader, GL_SHADER_SOURCE_LENGTH, &len );
std::string source( static_cast<size_t>( len + 1 ), '\0' );
glGetShaderSource( _shader, len+1, nullptr, &source[0] );
std::clog << "========================================" << std::endl;
std::clog << "Compile warning:\n" << source << std::endl;
std::clog << "----------------------------------------" << std::endl;
std::clog << l << std::endl;
std::clog << "========================================" << std::endl;
}
}
}
void Shader::DebugPrintSources()
{
char buf[16384];
glGetShaderSource(vertexID, 16384, NULL, buf);
printf("%s\n", buf);
glGetShaderSource(fragmentID, 16384, NULL, buf);
printf("%s\n", buf);
}
static void
dumpShaderObj(JSONWriter &json, GLhandleARB shaderObj)
{
if (!shaderObj) {
return;
}
GLint shader_type = 0;
glGetObjectParameterivARB(shaderObj, GL_OBJECT_TYPE_ARB, &shader_type);
if (!shader_type) {
return;
}
GLint source_length = 0;
glGetObjectParameterivARB(shaderObj, GL_OBJECT_SHADER_SOURCE_LENGTH_ARB, &source_length);
if (!source_length) {
return;
}
GLcharARB *source = new GLcharARB[source_length];
GLsizei length = 0;
source[0] = 0;
glGetShaderSource(shaderObj, source_length, &length, source);
json.beginMember(enumToString(shader_type));
json.writeString(source);
json.endMember();
delete [] source;
}
static void
dumpShader(JSONWriter &json, GLuint shader)
{
if (!shader) {
return;
}
GLint shader_type = 0;
glGetShaderiv(shader, GL_SHADER_TYPE, &shader_type);
if (!shader_type) {
return;
}
GLint source_length = 0;
glGetShaderiv(shader, GL_SHADER_SOURCE_LENGTH, &source_length);
if (!source_length) {
return;
}
GLchar *source = new GLchar[source_length];
GLsizei length = 0;
source[0] = 0;
glGetShaderSource(shader, source_length, &length, source);
json.beginMember(enumToString(shader_type));
json.writeString(source);
json.endMember();
delete [] source;
}
const std::string BasicShader::source() const {
GLint len = 0;
glGetShaderiv(mName, GL_SHADER_SOURCE_LENGTH, &len);
std::unique_ptr<GLchar[]> data(new GLchar[len]);
glGetShaderSource(mName, len, nullptr, data.get());
return std::string(data.get());
}
void Shader::extractSource(std::string& source) const
{
GlError error;
source.clear();
if (_shaderId == 0)
{
return;
}
GLint sourceLength = 0;
glGetShaderiv(_shaderId, GL_SHADER_SOURCE_LENGTH, &sourceLength);
if (error.hasOccured())
{
std::cerr << error.toString("Error while retrieving shader source length (glGetShaderiv(_shaderId, GL_SHADER_SOURCE_LENGTH, sourceLength))") << std::endl;
}
if (sourceLength == 0)
{
return;
}
GLchar* sourceBuffer = new GLchar[sourceLength];
glGetShaderSource(_shaderId, sourceLength, NULL, sourceBuffer);
if (error.hasOccured())
{
std::cerr << error.toString("Error while retrieving shader source (glGetShaderSource)") << std::endl;
}
else
{
source = sourceBuffer;
}
delete[] sourceBuffer;
}
bool GLProgram::compileShader(GLuint * shader, GLenum type, const GLchar* source)
{
GLint status;
if (!source)
{
return false;
}
const GLchar *sources[] = {
#if CC_TARGET_PLATFORM == CC_PLATFORM_WINRT
(type == GL_VERTEX_SHADER ? "precision mediump float;\n precision mediump int;\n" : "precision mediump float;\n precision mediump int;\n"),
#elif (CC_TARGET_PLATFORM != CC_PLATFORM_WIN32 && CC_TARGET_PLATFORM != CC_PLATFORM_LINUX && CC_TARGET_PLATFORM != CC_PLATFORM_MAC)
(type == GL_VERTEX_SHADER ? "precision highp float;\n precision highp int;\n" : "precision mediump float;\n precision mediump int;\n"),
#endif
"uniform mat4 CC_PMatrix;\n"
"uniform mat4 CC_MVMatrix;\n"
"uniform mat4 CC_MVPMatrix;\n"
"uniform mat3 CC_NormalMatrix;\n"
"uniform vec4 CC_Time;\n"
"uniform vec4 CC_SinTime;\n"
"uniform vec4 CC_CosTime;\n"
"uniform vec4 CC_Random01;\n"
"uniform sampler2D CC_Texture0;\n"
"uniform sampler2D CC_Texture1;\n"
"uniform sampler2D CC_Texture2;\n"
"uniform sampler2D CC_Texture3;\n"
"//CC INCLUDES END\n\n",
source,
};
*shader = glCreateShader(type);
glShaderSource(*shader, sizeof(sources)/sizeof(*sources), sources, nullptr);
glCompileShader(*shader);
glGetShaderiv(*shader, GL_COMPILE_STATUS, &status);
if (! status)
{
GLsizei length;
glGetShaderiv(*shader, GL_SHADER_SOURCE_LENGTH, &length);
GLchar* src = (GLchar *)malloc(sizeof(GLchar) * length);
glGetShaderSource(*shader, length, nullptr, src);
CCLOG("cocos2d: ERROR: Failed to compile shader:\n%s", src);
if (type == GL_VERTEX_SHADER)
{
CCLOG("cocos2d: %s", getVertexShaderLog().c_str());
}
else
{
CCLOG("cocos2d: %s", getFragmentShaderLog().c_str());
}
free(src);
return false;;
}
return (status == GL_TRUE);
}
static void
getShaderSource(ShaderMap &shaderMap, GLuint shader)
{
if (!shader) {
return;
}
GLint shader_type = 0;
glGetShaderiv(shader, GL_SHADER_TYPE, &shader_type);
if (!shader_type) {
return;
}
GLint source_length = 0;
glGetShaderiv(shader, GL_SHADER_SOURCE_LENGTH, &source_length);
if (!source_length) {
return;
}
GLchar *source = new GLchar[source_length];
GLsizei length = 0;
source[0] = 0;
glGetShaderSource(shader, source_length, &length, source);
shaderMap[enumToString(shader_type)] += source;
delete [] source;
}
void print_shader_log(GLuint shader)
{
GLint loglen = 0;
glGetShaderiv(shader, GL_INFO_LOG_LENGTH, &loglen);
char *info_log = malloc(loglen+1);
info_log[0] = '\x00';
info_log[loglen] = '\x00';
glGetShaderInfoLog(shader, loglen, NULL, info_log);
GLint srclen = 0;
glGetShaderiv(shader, GL_SHADER_SOURCE_LENGTH, &srclen);
char *src = malloc(srclen+1);
src[0] = '\x00';
src[srclen] = '\x00';
glGetShaderSource(shader, srclen, NULL, src);
// Walk shader log
char *v = info_log;
while(*v != '\x00')
{
char *f = strchr(v, '\n');
if(f == NULL) f = v+strlen(v);
int is_ln = (*f == '\n');
if(is_ln) *f = '\x00';
int n_file = 0;
int n_line = 0;
int n_chr = 0;
sscanf(v, "%d:%d(%d)", &n_file, &n_line, &n_chr); // Intel
sscanf(v, "%d(%d)", &n_file, &n_line); // nVidia
sscanf(v, "ERROR: %d:%d:", &n_file, &n_line); // ATI (XXX: confirm it works)
char *s = src;
int i;
for(i = 1; i < n_line && s != NULL; i++)
{
s = strchr(s, '\n');
if(s != NULL) s++;
}
char *sf = strchr(s, '\n');
if(sf == NULL) sf = s+strlen(s);
int is_sln = (*sf == '\n');
if(is_sln) *sf = '\x00';
printf("\x1B[1m%s\x1B[0m\n", v);
printf("%s\n\n", s);
if(is_sln) *sf = '\n';
if(is_ln) *f = '\n';
if(is_ln) f++;
v = f;
}
printf("\n");
free(info_log);
}
std::string Shader::getSource() const
{
GLint sourceLength = get(GL_SHADER_SOURCE_LENGTH);
std::vector<char> source(sourceLength);
glGetShaderSource(id(), sourceLength, nullptr, source.data());
return std::string(source.data(), sourceLength);
}
std::string Shader::getSource() const
{
GLint sourceLength;
glGetShaderiv( getGLId(), GL_SHADER_SOURCE_LENGTH, &sourceLength );
std::vector<char> source( sourceLength );
glGetShaderSource( getGLId(), sourceLength, nullptr, source.data() );
return( source.data() );
}
/**
* Create a new shader on the gpu
* @param name Name of the asset
* @param data Data of the texture file
* @param size Size of data
*/
Shader::Shader(std::string pName, std::string pSrc)
{
_name = pName;
if (_name.find(".vs") != std::string::npos)
_type = GL_VERTEX_SHADER;
else if (_name.find(".fs") != std::string::npos)
_type = GL_FRAGMENT_SHADER;
else if (_name.find(".gs") != std::string::npos)
_type = GL_GEOMETRY_SHADER;
else if (_name.find(".cs") != std::string::npos)
_type = GL_COMPUTE_SHADER;
else if (_name.find(".tcs") != std::string::npos)
_type = GL_TESS_CONTROL_SHADER;
else if (_name.find(".tes") != std::string::npos)
_type = GL_TESS_EVALUATION_SHADER;
else
throw Exception("No shader type found");
GLuint tempShader = glCreateShader(_type);
const char* tempSrcAR = pSrc.c_str();
glShaderSource(tempShader, 1, &tempSrcAR, nullptr);
glCompileShader(tempShader);
GLint compileStatus = 0;
GLint logSize = 0;
GLsizei length = 0;
GLchar* logAR;
glGetShaderiv(tempShader, GL_COMPILE_STATUS, &compileStatus);
if (compileStatus != (GLint)GL_TRUE)
{
glGetShaderiv(tempShader, GL_SHADER_SOURCE_LENGTH, &logSize);
logAR = new GLchar[logSize];
glGetShaderSource(tempShader, logSize, &length, logAR);
Log("Shader " + _name + " source : ");
Log(ToString(logAR));
delete[] logAR;
glGetShaderiv(tempShader, GL_INFO_LOG_LENGTH, &logSize);
logAR = new GLchar[logSize];
glGetShaderInfoLog(tempShader, logSize, &length, logAR);
Log("Shader " + _name + " compile log : ");
Log(ToString(logAR));
delete[] logAR;
throw Exception("Shader " + _name + " did not compile , see log above");
}
_shader = tempShader;
CheckGLError();
}
bool GLProgram::compileShader(GLuint * shader, GLenum type, const GLchar* source, const std::string& compileTimeHeaders, const std::string& convertedDefines)
{
GLint status;
if (!source)
{
return false;
}
std::string headersDef;
if (compileTimeHeaders.empty()) {
#if CC_TARGET_PLATFORM == CC_PLATFORM_WINRT
headersDef = (type == GL_VERTEX_SHADER ? "precision mediump float;\n precision mediump int;\n" : "precision mediump float;\n precision mediump int;\n");
#elif (CC_TARGET_PLATFORM != CC_PLATFORM_WIN32 && CC_TARGET_PLATFORM != CC_PLATFORM_LINUX && CC_TARGET_PLATFORM != CC_PLATFORM_MAC)
headersDef = (type == GL_VERTEX_SHADER ? "precision highp float;\n precision highp int;\n" : "precision mediump float;\n precision mediump int;\n");
#endif
}else{
headersDef = compileTimeHeaders;
}
const GLchar *sources[] = {
headersDef.c_str(),
COCOS2D_SHADER_UNIFORMS,
convertedDefines.c_str(),
source};
*shader = glCreateShader(type);
glShaderSource(*shader, sizeof(sources)/sizeof(*sources), sources, nullptr);
glCompileShader(*shader);
glGetShaderiv(*shader, GL_COMPILE_STATUS, &status);
if (! status)
{
GLsizei length;
glGetShaderiv(*shader, GL_SHADER_SOURCE_LENGTH, &length);
GLchar* src = (GLchar *)malloc(sizeof(GLchar) * length);
glGetShaderSource(*shader, length, nullptr, src);
CCLOG("cocos2d: ERROR: Failed to compile shader:\n%s", src);
if (type == GL_VERTEX_SHADER)
{
CCLOG("cocos2d: %s", getVertexShaderLog().c_str());
}
else
{
CCLOG("cocos2d: %s", getFragmentShaderLog().c_str());
}
free(src);
return false;
}
return (status == GL_TRUE);
}
String8& Program::dumpShader(String8& result, GLenum /*type*/) {
GLuint shader = GL_FRAGMENT_SHADER ? mFragmentShader : mVertexShader;
GLint l;
glGetShaderiv(shader, GL_SHADER_SOURCE_LENGTH, &l);
char* src = new char[l];
glGetShaderSource(shader, l, NULL, src);
result.append(src);
delete [] src;
return result;
}
::String getShaderSource(int id) {
int len = 0;
glGetShaderiv(id, GL_SHADER_SOURCE_LENGTH, &len);
if (len == 0) return null();
char *buf = new char[len+1];
glGetShaderSource(id, len+1, 0, buf);
::String result(buf);
delete [] buf;
return result;
}
/** Retrieve shader source.
* @param [out] out Character buffer where the source code will be stored.
* @param [in] outSize Character buffer size in bytes.
* @param [out] length Source code length.
* @return true if the shader source code was successfully retrieved.
*/
bool Shader::getSource(char* out, size_t outSize, size_t& length) const
{
if(0 == _id)
{
return false;
}
GLsizei sourceLength;
glGetShaderSource(_id, outSize, &sourceLength, out);
length = static_cast<size_t>(sourceLength);
return true;
}
std::string Shader::getSource() const
{
GLint source_length;
glGetShaderiv(m_shader, GL_SHADER_SOURCE_LENGTH, &source_length);
auto buff = std::make_unique<char[]>(source_length);
glGetShaderSource(m_shader, source_length, NULL, buff.get());
return buff.get();
}
static PyObject* py_glGetShaderSource(PyObject *, PyObject *args) {
CHECK_ARG_COUNT(args, 1);
Uint shader(PyTuple_GetItem(args, 0));
GLint len=0;
glGetShaderiv(shader, GL_SHADER_SOURCE_LENGTH, &len);
//GLchar *src = new GLchar[len+1];
Array1D<Char> src(len+1);
glGetShaderSource(shader, len, NULL, src);
return PyString_FromString(src);
//delete[] src;
}
void myShowShader(GLuint shader) {
GLint len = 0;
glGetShaderiv(shader, GL_SHADER_SOURCE_LENGTH, &len);
char * buf = new char[len];
glGetShaderSource(shader, len, nullptr, buf);
print(buf);
delete [] buf;
}
_JATTA_EXPORT Jatta::String Jatta::OpenGL::Shader::GetSource()
{
GLint size;
glGetShaderiv(shader, GL_SHADER_SOURCE_LENGTH, &size);
GLCHECK("Failed to get shader source length.");
GLsizei length;
GLchar* buffer = new GLchar[size];
glGetShaderSource(shader, (GLsizei)size, &length, buffer);
GLCHECK("Failed to get shader source.");
String source((char*)buffer);
delete[] buffer;
return source;
}
int gl_GetShaderSource(State & state){
GLuint shaderID = (GLuint)state.stack->to<int>(1);
GLint maxLength;
GLsizei length;
glGetShaderiv(shaderID, GL_SHADER_SOURCE_LENGTH, &maxLength);
GLchar * src = new char[maxLength];
glGetShaderSource(shaderID, maxLength, &length, src);
state.stack->pushLString(src, length);
delete[] src;
return 1;
}
/* void glGetShaderSource ( GLuint shader, GLsizei bufsize, GLsizei *length, char *source ) */
static jstring android_glGetShaderSource(JNIEnv *_env, jobject, jint shader) {
GLint shaderLen = 0;
glGetShaderiv((GLuint)shader, GL_SHADER_SOURCE_LENGTH, &shaderLen);
if (!shaderLen) {
return _env->NewStringUTF("");
}
char* buf = (char*) malloc(shaderLen);
if (buf == NULL) {
jniThrowException(_env, "java/lang/IllegalArgumentException", "out of memory");
return NULL;
}
glGetShaderSource(shader, shaderLen, NULL, buf);
jstring result = _env->NewStringUTF(buf);
free(buf);
return result;
}
Handle<Value> GLESglGetShaderSourceCallback(const Arguments& args) {
if (args.Length() != 1)
return v8::Undefined();
//get arguments
unsigned shader = args[0]->Uint32Value();
//query string length
int len = 0;
glGetShaderiv((GLuint)shader, GL_SHADER_SOURCE_LENGTH, &len);
char* log = new char[len];
glGetShaderSource((GLuint)shader, (GLsizei)len, NULL, log);
return String::New(log);
}
WebString WebGraphicsContext3DDefaultImpl::getShaderSource(WebGLId shader)
{
makeContextCurrent();
GLint logLength;
glGetShaderiv(shader, GL_SHADER_SOURCE_LENGTH, &logLength);
if (!logLength)
return WebString();
GLchar* log = 0;
if (!tryFastMalloc(logLength * sizeof(GLchar)).getValue(log))
return WebString();
GLsizei returnedLogLength;
glGetShaderSource(shader, logLength, &returnedLogLength, log);
ASSERT(logLength == returnedLogLength + 1);
WebString res = WebString::fromUTF8(log, returnedLogLength);
fastFree(log);
return res;
}
std::string GL3ShaderObjectProvider::get_shader_source() const
{
OpenGL::set_active();
std::string result;
GLsizei buffer_size = 16 * 1024;
while (buffer_size < 2 * 1024 * 1024)
{
auto shader_source = new GLchar[buffer_size];
GLsizei length = 0;
glGetShaderSource(handle, buffer_size, &length, shader_source);
if (length < buffer_size - 1)
result = std::string(shader_source, length);
delete[] shader_source;
if (length < buffer_size - 1)
break;
buffer_size *= 2;
}
return result;
}
String GraphicsContext3D::getShaderSource(Platform3DObject shader)
{
makeContextCurrent();
GLint length = 0;
glGetShaderiv(shader, GraphicsContext3D::SHADER_SOURCE_LENGTH, &length);
GLsizei size = 0;
GLchar* info = (GLchar*) fastMalloc(length);
if (!info)
return "";
glGetShaderSource(shader, length, &size, info);
String result(info);
fastFree(info);
return result;
}
// DOMString? getShaderSource(WebGLShader? shader);
bool JSB_glGetShaderSource(JSContext *cx, uint32_t argc, jsval *vp)
{
JSB_PRECONDITION2( argc == 1, cx, false, "Invalid number of arguments" );
JS::CallArgs args = JS::CallArgsFromVp(argc, vp);
bool ok = true;
uint32_t arg0;
ok &= jsval_to_uint( cx, args.get(0), &arg0 );
JSB_PRECONDITION2(ok, cx, false, "Error processing arguments");
GLsizei length;
glGetShaderiv(arg0, GL_SHADER_SOURCE_LENGTH, &length);
GLchar* src = new (std::nothrow) GLchar[length];
glGetShaderSource(arg0, length, NULL, src);
args.rval().set(charptr_to_jsval(cx, src));
CC_SAFE_DELETE_ARRAY(src);
return true;
}
void ShaderCompiler::DumpDebugInfo(const GLuint shaderId)
{
// We utilize GL_LOGERR here since we can safely just exit this method when a error occurs
// Get shader source.
GLint length;
GL_LOGERR(glGetShaderiv(shaderId, GL_SHADER_SOURCE_LENGTH, &length));
std::vector<GLchar> source(length);
GL_LOGERR(glGetShaderSource(shaderId, source.size(), NULL, &source[0]));
DFMCLOG_LINE("Debug source START:\n" << &source[0] << "\nDebug source END\n\n");
// Fetch the log
GL_LOGERR(glGetShaderiv(shaderId, GL_INFO_LOG_LENGTH, &length));
std::vector<GLchar> errorLog(length);
GL_LOGERR(glGetShaderInfoLog(shaderId, errorLog.size(), NULL, &errorLog[0]));
DFMCLOG_LINE("Log START:\n" << &errorLog[0] << "\nLog END\n\n");
}
// DOMString? getShaderSource(WebGLShader? shader);
JSBool JSB_glGetShaderSource(JSContext *cx, uint32_t argc, jsval *vp)
{
JSB_PRECONDITION2( argc == 1, cx, JS_FALSE, "Invalid number of arguments" );
jsval *argvp = JS_ARGV(cx,vp);
JSBool ok = JS_TRUE;
uint32_t arg0;
ok &= jsval_to_uint( cx, *argvp++, &arg0 );
JSB_PRECONDITION2(ok, cx, JS_FALSE, "Error processing arguments");
GLsizei length;
glGetShaderiv(arg0, GL_SHADER_SOURCE_LENGTH, &length);
GLchar* src = new GLchar[length];
glGetShaderSource(arg0, length, NULL, src);
JS_SET_RVAL(cx, vp, charptr_to_jsval(cx, src));
CC_SAFE_DELETE_ARRAY(src);
return JS_TRUE;
}
void ShaderObject::printShaderInfoLog(GLint shader) {
int infoLogLen = 0;
int charsWritten = 0;
GLchar *infoLog;
glGetShaderiv(shader, GL_INFO_LOG_LENGTH, &infoLogLen);
if (infoLogLen > 0) {
infoLog = new GLchar[infoLogLen];
glGetShaderInfoLog(shader, infoLogLen, &charsWritten, infoLog);
std::cerr << "InfoLog:" << std::endl << infoLog << std::endl;
delete [] infoLog;
}
int sourceLenght;
glGetShaderiv(shader, GL_SHADER_SOURCE_LENGTH, &sourceLenght);
infoLog = new GLchar[sourceLenght];
glGetShaderSource(shader, sourceLenght, &charsWritten, infoLog);
std::cerr << "InfoLog:" << std::endl << infoLog << std::endl;
delete [] infoLog;
}
