mirror of
https://github.com/libretro/scenewalker-libretro.git
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98 lines
2.6 KiB
C++
98 lines
2.6 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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#include "gl.hpp"
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namespace GL
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{
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bool dead_state;
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static SymMap map;
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SymMap& symbol_map()
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{
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return map;
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}
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void init_symbol_map()
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{
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map.clear();
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// On Windows, you cannot lookup these symbols ... <_<
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struct mapper { const char* sym; retro_proc_address_t proc; };
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#define _D(sym) { #sym, reinterpret_cast<retro_proc_address_t>(sym) }
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static const mapper bind_map[] = {
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_D(glEnable),
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_D(glDisable),
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_D(glBlendFunc),
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_D(glClearColor),
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_D(glTexImage2D),
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_D(glViewport),
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_D(glClear),
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_D(glTexParameteri),
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_D(glDeleteTextures),
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#if defined(__APPLE__) && !defined(IOS)
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_D(glActiveTexture),
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_D(glCreateProgram),
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_D(glCreateShader),
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_D(glShaderSource),
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_D(glCompileShader),
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_D(glGetShaderiv),
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_D(glAttachShader),
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_D(glLinkProgram),
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_D(glGetProgramiv),
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_D(glGenerateMipmap),
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_D(glGetIntegerv),
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_D(glGenBuffers),
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_D(glBindBuffer),
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_D(glBufferData),
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_D(glBindFramebuffer),
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_D(glUseProgram),
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_D(glUniform1i),
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_D(glGetUniformLocation),
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_D(glUniformMatrix4fv),
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_D(glUniform3fv),
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_D(glUniform1f),
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_D(glGetAttribLocation),
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_D(glEnableVertexAttribArray),
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_D(glVertexAttribPointer),
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_D(glDisableVertexAttribArray),
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#endif
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_D(glGenTextures),
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_D(glBindTexture),
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_D(glDrawArrays),
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_D(glGetError),
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_D(glFrontFace),
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};
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#undef _D
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for (unsigned i = 0; i < sizeof(bind_map) / sizeof(bind_map[0]); i++)
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map[bind_map[i].sym] = bind_map[i].proc;
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}
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static retro_hw_get_proc_address_t proc;
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void set_function_cb(retro_hw_get_proc_address_t proc_)
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{
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proc = proc_;
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}
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retro_proc_address_t get_symbol(const std::string& str)
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{
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return proc(str.c_str());
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}
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}
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