bool GLProgram::link()
{
    CCASSERT(_program != 0, "Cannot link invalid program");

    GLint status = GL_TRUE;

    bindPredefinedVertexAttribs();

    glLinkProgram(_program);

    parseVertexAttribs();
    parseUniforms();

    clearShader();

#if DEBUG || (CC_TARGET_PLATFORM == CC_PLATFORM_WINRT)
    glGetProgramiv(_program, GL_LINK_STATUS, &status);

    if (status == GL_FALSE)
    {
        CCLOG("cocos2d: ERROR: Failed to link program: %i", _program);
        GL::deleteProgram(_program);
        _program = 0;
    }
#endif

    return (status == GL_TRUE);
}
示例#2
0
bool GLProgram::link()
{
    CCASSERT(_program != 0, "Cannot link invalid program");

    GLint status = GL_TRUE;

    bindPredefinedVertexAttribs();

    glLinkProgram(_program);

    // Calling glGetProgramiv(...GL_LINK_STATUS...) will force linking of the program at this moment.
    // Otherwise, they might be linked when they are used for the first time. (I guess this depends on the driver implementation)
    // So it might slow down the "booting" process on certain devices. But, on the other hand it is important to know if the shader
    // linked successfully. Some shaders might be downloaded in runtime so, release version should have this check.
    // For more info, see Github issue #16231
    glGetProgramiv(_program, GL_LINK_STATUS, &status);

    if (status == GL_FALSE)
    {
        CCLOG("cocos2d: ERROR: Failed to link program: %i", _program);
        GL::deleteProgram(_program);
        _program = 0;
    }
    else
    {
        parseVertexAttribs();
        parseUniforms();

        clearShader();
    }

    return (status == GL_TRUE);
}
bool GLProgram::link()
{
    CCASSERT(_program != 0, "Cannot link invalid program");

#if (CC_TARGET_PLATFORM == CC_PLATFORM_WP8)
    if(!_hasShaderCompiler)
    {
        // precompiled shader program is already linked

        //bindPredefinedVertexAttribs();
        parseVertexAttribs();
        parseUniforms();
        return true;
    }
#endif

    GLint status = GL_TRUE;

    bindPredefinedVertexAttribs();

    glLinkProgram(_program);

    parseVertexAttribs();
    parseUniforms();

    if (_vertShader)
    {
        glDeleteShader(_vertShader);
    }
    
    if (_fragShader)
    {
        glDeleteShader(_fragShader);
    }
    
    _vertShader = _fragShader = 0;
    
#if DEBUG || (CC_TARGET_PLATFORM == CC_PLATFORM_WP8) || (CC_TARGET_PLATFORM == CC_PLATFORM_WINRT)
    glGetProgramiv(_program, GL_LINK_STATUS, &status);
    
    if (status == GL_FALSE)
    {
        CCLOG("cocos2d: ERROR: Failed to link program: %i", _program);
        GL::deleteProgram(_program);
        _program = 0;
    }
#endif

#if (CC_TARGET_PLATFORM == CC_PLATFORM_WP8) || defined(WP8_SHADER_COMPILER)
    if (status == GL_TRUE)
    {
        CCPrecompiledShaders::getInstance()->addProgram(_program, _shaderId);
    }
#endif

    return (status == GL_TRUE);
}