mirror of
https://github.com/libretro/scenewalker-libretro.git
synced 2024-11-22 23:39:40 +00:00
108 lines
3.0 KiB
C++
108 lines
3.0 KiB
C++
/*
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* Scenewalker Tech demo
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* Copyright (C) 2013 - Hans-Kristian Arntzen
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* Copyright (C) 2013 - Daniel De Matteis
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*
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* InstancingViewer is free software: you can redistribute it and/or modify it under the terms
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* of the GNU General Public License as published by the Free Software Found-
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* ation, either version 3 of the License, or (at your option) any later version.
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*
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* InstancingViewer is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
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* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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* PURPOSE. See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along with InstancingViewer.
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* If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef GL_HPP__
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#define GL_HPP__
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#if defined(_WIN32) && !defined(_XBOX)
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#include <windows.h>
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#endif
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#define GL_GLEXT_PROTOTYPES
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#if defined(GLES)
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#ifdef IOS
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#include <OpenGLES/ES2/gl.h>
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#else
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#include <GLES2/gl2.h>
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#endif
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#elif defined(__APPLE__)
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#include <OpenGL/gl.h>
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#include <OpenGL/glext.h>
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#elif defined(__CELLOS_LV2__)
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#include <PSGL/psgl.h>
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#include <PSGL/psglu.h>
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#include <GLES/glext.h>
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extern void _jsEnableVertexAttribArrayNV(GLuint index);
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extern void _jsDisableVertexAttribArrayNV(GLuint index);
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extern void _jsVertexAttribPointerNV(GLuint index,
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GLint fsize, GLenum type,
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GLboolean normalized,
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GLsizei stride, const GLvoid* pointer);
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#define glEnableVertexAttribArray _jsEnableVertexAttribArrayNV
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#define glDisableVertexAttribArray _jsDisableVertexAttribArrayNV
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#define glVertexAttribPointer _jsVertexAttribPointerNV
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#define glGenerateMipmap glGenerateMipmapOES
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#define glBindFramebuffer glBindFramebufferOES
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#define GL_FRAMEBUFFER GL_FRAMEBUFFER_OES
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#else
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#include <GL/gl.h>
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#include <GL/glext.h>
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#endif
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#include <map>
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#include <stdio.h>
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#include <string>
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#include "libretro.h"
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#include "shared.hpp"
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#ifdef __GNUC__
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#define decltype(type) typeof(type)
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#endif
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#ifdef GLES
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#define SYM(sym) sym
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#else
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#define SYM(sym) (::GL::symbol<decltype(&sym)>(#sym))
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#endif
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namespace GL
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{
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// If true, GL context has been reset and all
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// objects are invalid. Do not free their resources
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// in destructors.
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extern bool dead_state;
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typedef std::map<std::string, retro_proc_address_t> SymMap;
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SymMap& symbol_map();
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void init_symbol_map();
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// Discover and cache GL symbols on-the-fly.
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// Avoids things like GLEW, and avoids typing out a billion symbol declarations.
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void set_function_cb(retro_hw_get_proc_address_t);
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retro_proc_address_t get_symbol(const std::string& str);
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template<typename Func>
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inline Func symbol(const std::string& sym)
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{
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std::map<std::string, retro_proc_address_t>& map = symbol_map();
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retro_proc_address_t func = map[sym];
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if (!func)
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{
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func = get_symbol(sym);
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if (!func && log_cb)
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log_cb(RETRO_LOG_ERROR, "Didn't find GL symbol: %s\n", sym.c_str());
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}
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return reinterpret_cast<Func>(func);
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}
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}
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#endif
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