void ShaderSprite::initShader()
{
GLchar * fragSource = (GLchar*) String::createWithContentsOfFile(
FileUtils::getInstance()->fullPathForFilename(_fragSourceFile).c_str())->getCString();
auto program = new GLProgram();
program->initWithByteArrays(ccPositionTextureColor_vert, fragSource);
setShaderProgram(program);
program->release();
CHECK_GL_ERROR_DEBUG();
program->bindAttribLocation(GLProgram::ATTRIBUTE_NAME_POSITION, GLProgram::VERTEX_ATTRIB_POSITION);
program->bindAttribLocation(GLProgram::ATTRIBUTE_NAME_COLOR, GLProgram::VERTEX_ATTRIB_COLOR);
program->bindAttribLocation(GLProgram::ATTRIBUTE_NAME_TEX_COORD, GLProgram::VERTEX_ATTRIB_TEX_COORDS);
CHECK_GL_ERROR_DEBUG();
program->link();
CHECK_GL_ERROR_DEBUG();
program->updateUniforms();
CHECK_GL_ERROR_DEBUG();
buildCustomUniforms();
CHECK_GL_ERROR_DEBUG();
}
MGLResourceManager(QGLWidget *glwidget)
: QObject(glwidget),
glcontext(glwidget->context()),
currentShader(0)
{
sharedVertexShader = new QGLShader(QGLShader::Vertex,
glwidget->context(), this);
if (!sharedVertexShader->compileSourceCode(QLatin1String(TexpVertShaderSource)))
qWarning("vertex shader failed to compile");
MShaderProgram *normalShader = new MShaderProgram(glwidget->context(),
this);
normalShader->addShader(sharedVertexShader);
if (!normalShader->addShaderFromSourceCode(QGLShader::Fragment,
QLatin1String(TexpFragShaderSource)))
qWarning("normal fragment shader failed to compile");
shader[NormalShader] = normalShader;
MShaderProgram *blurShader = new MShaderProgram(glwidget->context(),
this);
shader[BlurShader] = blurShader;
blurShader->addShader(sharedVertexShader);
if (!blurShader->addShaderFromSourceCode(QGLShader::Fragment,
QLatin1String(blurshader)))
qWarning("blur fragment shader failed to compile");
bindAttribLocation(normalShader, "inputVertex", D_VERTEX_COORDS);
bindAttribLocation(normalShader, "textureCoord", D_TEXTURE_COORDS);
bindAttribLocation(blurShader, "inputVertex", D_VERTEX_COORDS);
bindAttribLocation(blurShader, "textureCoord", D_TEXTURE_COORDS);
normalShader->link();
blurShader->link();
}
GLuint installPixelShader(const QByteArray& code)
{
QHash<QByteArray, MShaderProgram *>::iterator it = customShadersByCode.find(code);
if (it != customShadersByCode.end()) {
return it.value()->programId();
}
QByteArray source = code;
source.append(TexpCustomShaderSource);
MShaderProgram *p = new MShaderProgram(glcontext, this);
p->addShader(sharedVertexShader);
if (!p->addShaderFromSourceCode(QGLShader::Fragment,
QLatin1String(source)))
qWarning("custom fragment shader failed to compile");
bindAttribLocation(p, "inputVertex", D_VERTEX_COORDS);
bindAttribLocation(p, "textureCoord", D_TEXTURE_COORDS);
if (p->link()) {
customShadersByCode[code] = p;
customShadersById[p->programId()] = p;
return p->programId();
}
qWarning() << "failed installing custom fragment shader:"
<< p->log();
p->deleteLater();
return 0;
}
GLProgram::GLProgram()
{
program = glCreateProgram();
bindAttribLocation( "in_Vertex", GLSL_VERTEX_IDX );
bindAttribLocation( "in_Color", GLSL_COLOR_IDX );
bindAttribLocation( "in_Normal", GLSL_NORMAL_IDX );
bindAttribLocation( "in_TexCoord", GLSL_TEXCOORD_IDX );
}
void BattleHighNode::prepareShaders()
{
auto fileUtils = FileUtils::getInstance();
auto vertSource = fileUtils->getStringFromFile("3d/battle_high.vsh");
auto fragSource = fileUtils->getStringFromFile("3d/battle_high.fsh");
auto glprogram = GLProgram::createWithByteArrays(vertSource.c_str(), fragSource.c_str());
glprogram->bindAttribLocation("a_positioin", MY_VERTEX_ATTRIB_POSITION);
glprogram->bindAttribLocation("a_texcoord", MY_VERTEX_ATTRIB_TEXCOORD);
glprogram->link();
glprogram->updateUniforms();
_programState = GLProgramState::getOrCreateWithGLProgram(glprogram);
_programState->retain();
}
void SimplePixelNode::prepareShaders()
{
auto fileUtils = FileUtils::getInstance();
auto vertSource = fileUtils->getStringFromFile("3d/simple_pixel.vsh");
auto fragSource = fileUtils->getStringFromFile("3d/simple_pixel.fsh");
auto glprogram = GLProgram::createWithByteArrays(vertSource.c_str(), fragSource.c_str());
glprogram->bindAttribLocation("a_positioin", 0);
glprogram->bindAttribLocation("a_color", 1);
glprogram->link();
glprogram->updateUniforms();
_programState = GLProgramState::getOrCreateWithGLProgram(glprogram);
_programState->retain();
}
void ShadowCover::prepareShaders()
{
auto fileUtils = FileUtils::getInstance();
auto vertSource = fileUtils->getStringFromFile("3d/shadow_cover.vsh");
auto fragSource = fileUtils->getStringFromFile("3d/shadow_cover.fsh");
auto glprogram = GLProgram::createWithByteArrays(vertSource.c_str(), fragSource.c_str());
glprogram->bindAttribLocation("a_positioin", 0);
glprogram->bindAttribLocation("a_texcoord", 1);
glprogram->bindAttribLocation("a_radio", 2);
glprogram->link();
glprogram->updateUniforms();
_programState = GLProgramState::getOrCreateWithGLProgram(glprogram);
_programState->retain();
}
void UVEffectSprite::InitShader()
{
auto p = new GLProgram();
p->initWithFilenames("Shaders/uv.vsh", "Shaders/uv.fsh");
p->bindAttribLocation(GLProgram::ATTRIBUTE_NAME_POSITION, GLProgram::VERTEX_ATTRIB_POSITION);
p->bindAttribLocation(GLProgram::ATTRIBUTE_NAME_TEX_COORD, GLProgram::VERTEX_ATTRIB_TEX_COORDS);
p->link();
p->updateUniforms();
this->setGLProgram(p);
auto textrue = Director::getInstance()->getTextureCache()->addImage("soroll_uv3.png");
Texture2D::TexParams tRepeatParams;//设置纹理渲染方式
tRepeatParams.magFilter = GL_LINEAR_MIPMAP_LINEAR;
tRepeatParams.minFilter = GL_LINEAR;
tRepeatParams.wrapS = GL_REPEAT;
tRepeatParams.wrapT = GL_REPEAT;
textrue->setTexParameters(tRepeatParams);//将贴图设置给Shader中的变量值u_texture1
_lightani.x = _lightani.y = 0.0f;
getGLProgramState()->setUniformTexture("u_lightTexture", textrue);
getGLProgramState()->setUniformVec2("v_animLight", _lightani);
}
void AcceEffectSpace::initShaders()
{
auto fileUtils = FileUtils::getInstance();
auto vertSource = fileUtils->getStringFromFile("3d/acce.vsh");
auto fragSource = fileUtils->getStringFromFile("3d/acce.fsh");
auto glprogram = GLProgram::createWithByteArrays(vertSource.c_str(), fragSource.c_str());
glprogram->bindAttribLocation("a_position", AcceEffectSpace::VERTEX_ATTRIB_POSITION);
glprogram->bindAttribLocation("a_texcoord", AcceEffectSpace::VERTEX_ATTRIB_TEXCOORD);
glprogram->link();
glprogram->updateUniforms();
_programState = GLProgramState::getOrCreateWithGLProgram(glprogram);
_programState->retain();
}
void RoadNode::initShaders()
{
if (_roadProgram) return;
// Road
{
auto fileUtils = FileUtils::getInstance();
auto vertSource = fileUtils->getStringFromFile("3d/road.vsh");
auto fragSource = fileUtils->getStringFromFile("3d/road.fsh");
auto glprogram = GLProgram::createWithByteArrays(vertSource.c_str(), fragSource.c_str());
glprogram->bindAttribLocation("a_position", 0);
glprogram->bindAttribLocation("a_texCoord", 1);
glprogram->link();
glprogram->updateUniforms();
_roadProgram = glprogram;
_roadProgram->retain();
_roadTexture = Director::getInstance()->getTextureCache()->addImage("3d/road_shadow.png");
}
// Line
{
auto fileUtils = FileUtils::getInstance();
auto vertSource = fileUtils->getStringFromFile("3d/road_line.vsh");
auto fragSource = fileUtils->getStringFromFile("3d/road_line.fsh");
auto glprogram = GLProgram::createWithByteArrays(vertSource.c_str(), fragSource.c_str());
glprogram->bindAttribLocation("a_position", 0);
glprogram->bindAttribLocation("a_texCoord", 1);
glprogram->link();
glprogram->updateUniforms();
_lineProgram = glprogram;
_lineProgram->retain();
}
}
void ShaderNode::loadShaderVertex(const std::string &vs, const std::string &fs)
{
auto shader = new GLProgram();
shader->initWithFilenames(vs, fs);
this->setShaderProgram(shader);
shader->release();
CHECK_GL_ERROR_DEBUG();
shader->bindAttribLocation("a_position", GLProgram::VERTEX_ATTRIB_POSITION);
CHECK_GL_ERROR_DEBUG();
shader->link();
CHECK_GL_ERROR_DEBUG();
shader->updateUniforms();
CHECK_GL_ERROR_DEBUG();
_uniformResolution = shader->getUniformLocation("resolution");
this->buildCustomUniforms();
CHECK_GL_ERROR_DEBUG();
}
void GLSLShader::createVertexAttribute(GLuint location, const char *name, std::vector<Eigen::Vector4f> &data)
{
bindAttribLocation(location, name);
int size = data.size() * 4;
float *dataB = new float[size];
int temp =0;
for(int i =0; i < size; i+=4)
{
dataB[i] = data[temp][0];
dataB[i+1] = data[temp][1];
dataB[i+2] = data[temp][2];
dataB[i+3] = data[temp][3];
temp++;
}
glGenBuffers(1, &vboHandle);
glBindBuffer(GL_ARRAY_BUFFER, vboHandle);
glBufferData(GL_ARRAY_BUFFER, size * sizeof(float), dataB, GL_STATIC_DRAW);
if(vaoHandle == 0)
{
glGenVertexArrays(1, &vaoHandle);
}
glBindVertexArray(vaoHandle);
//GLint nAttribs;
//glGetProgramiv(programHandle, GL_ACTIVE_ATTRIBUTES, &nAttribs);
glEnableVertexAttribArray(location);
glBindBuffer(GL_ARRAY_BUFFER, vboHandle);
glVertexAttribPointer(location, 4, GL_FLOAT, GL_FALSE, 0, (GLubyte *)NULL);
}
void GMBasicEffect::bindAttribLocations()
{
bindAttribLocation(ATTRIB_VERTEX, "position");
bindAttribLocation(ATTRIB_COLOR, "color");
}
bool Shader::initialiser()
{
// Création des shaders
if(initialiserTypeShader(m_vertexID, GL_VERTEX_SHADER, m_vertexSource) == false)
return false;
if(initialiserTypeShader(m_fragmentID, GL_FRAGMENT_SHADER, m_fragmentSource) == false)
return false;
// Création du program
m_programID = glCreateProgram();
glAttachShader(m_programID, m_vertexID);
glAttachShader(m_programID, m_fragmentID);
// Linkage du program
bindAttribLocation();
glLinkProgram(m_programID);
// On vérifie que le link c'est bien passé
GLint link(0);
glGetProgramiv(m_programID, GL_LINK_STATUS, &link);
if(link != GL_TRUE)
{
// Récupération de la taille de l'erreur
GLint tailleErreur(0);
char *erreur(NULL);
glGetProgramiv(m_programID, GL_INFO_LOG_LENGTH, &tailleErreur);
// Allocation de l'erreur
erreur = new char[tailleErreur + 1];
// Copie de l'erreur dans la chaine de caractères
glGetProgramInfoLog(m_programID, tailleErreur, &tailleErreur, erreur);
erreur[tailleErreur] = '\0';
// Affichage de l'erreur
std::cout << "Erreur lors du link du program : " << erreur << std::endl;
// On retourne false
delete[] erreur;
return false;
}
// Tout s'est bien passée, on retourne true
m_initialise = true;
return true;
}
void GLProgram::bindAttribLocations()
{
for (const auto& attr : allGLAttributes())
bindAttribLocation(attr.first, attr.second);
}