From 0f500fab826a57f8aae8a3e2062a90ee9e80a199 Mon Sep 17 00:00:00 2001 From: Andrei Karas Date: Sun, 8 Jun 2014 13:57:15 +0300 Subject: Add ShaderManager and Shader class. --- src/render/shaders/shadersmanager.cpp | 62 +++++++++++++++++++++++++++++++++++ 1 file changed, 62 insertions(+) create mode 100644 src/render/shaders/shadersmanager.cpp (limited to 'src/render/shaders/shadersmanager.cpp') diff --git a/src/render/shaders/shadersmanager.cpp b/src/render/shaders/shadersmanager.cpp new file mode 100644 index 000000000..85c5bf64e --- /dev/null +++ b/src/render/shaders/shadersmanager.cpp @@ -0,0 +1,62 @@ +/* + * The ManaPlus Client + * Copyright (C) 2014 The ManaPlus Developers + * + * This file is part of The ManaPlus Client. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see . + */ + +#include "render/shaders/shadersmanager.h" + +#ifdef USE_OPENGL + +#include "logger.h" +#include "settings.h" + +#include "render/mgl.h" + +#include "render/shaders/shader.h" + +#include "utils/files.h" + +#include "debug.h" + +ShadersManager shaders; + +Shader *ShadersManager::createShader(const unsigned int type, + const std::string &fileName) +{ + const std::string str = Files::loadTextFileString(fileName); + const char *ptrStr = str.c_str(); + GLuint shaderId = mglCreateShader(type); + mglShaderSource(shaderId, 1, &ptrStr, nullptr); + mglCompileShader(shaderId); + + GLint isCompiled = 0; + mglGetShaderiv(shaderId, GL_COMPILE_STATUS, &isCompiled); + if (isCompiled == GL_TRUE) + return new Shader(shaderId); + GLint len = 0; + mglGetShaderiv(shaderId, GL_INFO_LOG_LENGTH, &len); + char *buf = new char[len + 1]; + mglGetShaderInfoLog(shaderId, len, &len, buf); + buf[len] = 0; + logger->log("Shader '%s' compilation error: %s", fileName.c_str(), buf); + delete [] buf; + mglDeleteShader(shaderId); + return nullptr; +} + +#endif -- cgit v1.2.3-60-g2f50