mirror of https://github.com/minetest/irrlicht.git
202 lines
6.3 KiB
C++
202 lines
6.3 KiB
C++
// Copyright (C) 2015 Patryk Nadrowski
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// This file is part of the "Irrlicht Engine".
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// For conditions of distribution and use, see copyright notice in irrlicht.h
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#ifndef __C_OPENGL_COMMON_H_INCLUDED__
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#define __C_OPENGL_COMMON_H_INCLUDED__
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#include "IrrCompileConfig.h"
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#ifdef _IRR_COMPILE_WITH_OPENGL_
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#if defined(_IRR_WINDOWS_API_)
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#define WIN32_LEAN_AND_MEAN
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#include <windows.h>
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#if defined(_IRR_OPENGL_USE_EXTPOINTER_)
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#define GL_GLEXT_LEGACY 1
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#endif
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#include <GL/gl.h>
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#if defined(_IRR_OPENGL_USE_EXTPOINTER_)
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#include <GL/glext.h>
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#endif
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#include <GL/wglext.h>
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#ifdef _MSC_VER
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#pragma comment(lib, "OpenGL32.lib")
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#endif
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#elif defined(_IRR_COMPILE_WITH_OSX_DEVICE_)
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#if defined(_IRR_OPENGL_USE_EXTPOINTER_)
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#define GL_GLEXT_LEGACY 1
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#endif
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#include <OpenGL/gl.h>
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#if defined(_IRR_OPENGL_USE_EXTPOINTER_)
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#include <GL/glext.h>
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#endif
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#elif defined(_IRR_COMPILE_WITH_SDL_DEVICE_) && !defined(_IRR_COMPILE_WITH_X11_DEVICE_)
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#if defined(_IRR_OPENGL_USE_EXTPOINTER_)
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#define GL_GLEXT_LEGACY 1
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#else
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#define GL_GLEXT_PROTOTYPES 1
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#endif
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#include <SDL_video.h>
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#include <SDL_opengl.h>
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#if defined(_IRR_OPENGL_USE_EXTPOINTER_)
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// The SDL2 header doesn't cut it for extensions
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#include <GL/glext.h>
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#endif
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#else
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#if defined(_IRR_OPENGL_USE_EXTPOINTER_)
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#define GL_GLEXT_LEGACY 1
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#define GLX_GLXEXT_LEGACY 1
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#else
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#define GL_GLEXT_PROTOTYPES 1
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#define GLX_GLXEXT_PROTOTYPES 1
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#endif
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#include <GL/gl.h>
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#include <GL/glx.h>
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#if defined(_IRR_OPENGL_USE_EXTPOINTER_)
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#include <GL/glext.h>
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#include <GL/glxext.h>
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#endif
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#endif
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#ifndef GL_ARB_shader_objects
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typedef char GLcharARB;
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typedef unsigned int GLhandleARB;
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#endif
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#ifndef GL_VERSION_2_0
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typedef char GLchar;
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#endif
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// Blending definitions.
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#if !defined(GL_VERSION_1_4)
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#if defined(GL_EXT_blend_subtract) || defined(GL_EXT_blend_minmax) || defined(GL_EXT_blend_logic_op)
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#define GL_FUNC_ADD GL_FUNC_ADD_EXT
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#else
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#define GL_FUNC_ADD 0
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#endif
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#endif
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// FBO definitions.
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#if !defined(GL_VERSION_3_0) && !defined(GL_ARB_framebuffer_object)
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#ifdef GL_EXT_framebuffer_object
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#define GL_FRAMEBUFFER GL_FRAMEBUFFER_EXT
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#define GL_COLOR_ATTACHMENT0 GL_COLOR_ATTACHMENT0_EXT
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#define GL_DEPTH_ATTACHMENT GL_DEPTH_ATTACHMENT_EXT
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#define GL_STENCIL_ATTACHMENT GL_STENCIL_ATTACHMENT_EXT
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#define GL_FRAMEBUFFER_COMPLETE GL_FRAMEBUFFER_COMPLETE_EXT
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#define GL_FRAMEBUFFER_INCOMPLETE_READ_BUFFER GL_FRAMEBUFFER_INCOMPLETE_READ_BUFFER_EXT
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#define GL_FRAMEBUFFER_INCOMPLETE_DRAW_BUFFER GL_FRAMEBUFFER_INCOMPLETE_DRAW_BUFFER_EXT
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#define GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT_EXT
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#define GL_FRAMEBUFFER_INCOMPLETE_FORMATS GL_FRAMEBUFFER_INCOMPLETE_FORMATS_EXT
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#define GL_FRAMEBUFFER_INCOMPLETE_DIMENSIONS GL_FRAMEBUFFER_INCOMPLETE_DIMENSIONS_EXT
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#define GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT_EXT
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#define GL_FRAMEBUFFER_UNSUPPORTED GL_FRAMEBUFFER_UNSUPPORTED_EXT
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#else
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#define GL_FRAMEBUFFER 0
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#define GL_COLOR_ATTACHMENT0 0
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#define GL_DEPTH_ATTACHMENT 0
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#define GL_STENCIL_ATTACHMENT 0
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#define GL_FRAMEBUFFER_COMPLETE 0
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#define GL_FRAMEBUFFER_INCOMPLETE_READ_BUFFER 1
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#define GL_FRAMEBUFFER_INCOMPLETE_DRAW_BUFFER 2
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#define GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT 3
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#define GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT 4
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#define GL_FRAMEBUFFER_UNSUPPORTED 5
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#endif
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#endif
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#ifdef GL_EXT_framebuffer_object
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#define GL_FRAMEBUFFER_INCOMPLETE_FORMATS GL_FRAMEBUFFER_INCOMPLETE_FORMATS_EXT
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#define GL_FRAMEBUFFER_INCOMPLETE_DIMENSIONS GL_FRAMEBUFFER_INCOMPLETE_DIMENSIONS_EXT
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#else
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#define GL_FRAMEBUFFER_INCOMPLETE_FORMATS 6
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#define GL_FRAMEBUFFER_INCOMPLETE_DIMENSIONS 7
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#endif
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// MipMaps definitions.
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#if !defined(GL_VERSION_1_4)
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#ifdef GL_SGIS_generate_mipmap
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#define GL_GENERATE_MIPMAP GL_GENERATE_MIPMAP_SGIS
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#define GL_GENERATE_MIPMAP_HINT GL_GENERATE_MIPMAP_HINT_SGIS
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#else
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#define GL_GENERATE_MIPMAP 0
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#define GL_GENERATE_MIPMAP_HINT 0
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#endif
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#endif
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// Texture definitions.
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#if !defined(GL_VERSION_1_3)
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#ifdef GL_ARB_multitexture
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#define GL_TEXTURE0 GL_TEXTURE0_ARB
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#else
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#define GL_TEXTURE0 0
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#endif
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#endif
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#if !defined(GL_VERSION_1_3)
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#ifdef GL_ARB_texture_cube_map
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#define GL_TEXTURE_CUBE_MAP GL_TEXTURE_CUBE_MAP_ARB
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#define GL_TEXTURE_CUBE_MAP_POSITIVE_X GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB
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#define GL_TEXTURE_CUBE_MAP_NEGATIVE_X GL_TEXTURE_CUBE_MAP_NEGATIVE_X_ARB
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#define GL_TEXTURE_CUBE_MAP_POSITIVE_Y GL_TEXTURE_CUBE_MAP_POSITIVE_Y_ARB
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#define GL_TEXTURE_CUBE_MAP_NEGATIVE_Y GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_ARB
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#define GL_TEXTURE_CUBE_MAP_POSITIVE_Z GL_TEXTURE_CUBE_MAP_POSITIVE_Z_ARB
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#define GL_TEXTURE_CUBE_MAP_NEGATIVE_Z GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB
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#elif defined(GL_EXT_texture_cube_map)
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#define GL_TEXTURE_CUBE_MAP GL_TEXTURE_CUBE_MAP_EXT
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#define GL_TEXTURE_CUBE_MAP_POSITIVE_X GL_TEXTURE_CUBE_MAP_POSITIVE_X_EXT
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#define GL_TEXTURE_CUBE_MAP_NEGATIVE_X GL_TEXTURE_CUBE_MAP_NEGATIVE_X_EXT
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#define GL_TEXTURE_CUBE_MAP_POSITIVE_Y GL_TEXTURE_CUBE_MAP_POSITIVE_Y_EXT
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#define GL_TEXTURE_CUBE_MAP_NEGATIVE_Y GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_EXT
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#define GL_TEXTURE_CUBE_MAP_POSITIVE_Z GL_TEXTURE_CUBE_MAP_POSITIVE_Z_EXT
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#define GL_TEXTURE_CUBE_MAP_NEGATIVE_Z GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_EXT
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#else
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#define GL_TEXTURE_CUBE_MAP 0
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#define GL_TEXTURE_CUBE_MAP_POSITIVE_X 0
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#define GL_TEXTURE_CUBE_MAP_NEGATIVE_X 0
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#define GL_TEXTURE_CUBE_MAP_POSITIVE_Y 0
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#define GL_TEXTURE_CUBE_MAP_NEGATIVE_Y 0
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#define GL_TEXTURE_CUBE_MAP_POSITIVE_Z 0
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#define GL_TEXTURE_CUBE_MAP_NEGATIVE_Z 0
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#endif
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#endif
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// To check if this header is in the current compile unit (different GL driver implementations use different "GLCommon" headers in Irrlicht)
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#define IRR_COMPILE_GL_COMMON
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namespace irr
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{
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namespace video
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{
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// Forward declarations.
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class COpenGLCoreFeature;
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template <class TOpenGLDriver>
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class COpenGLCoreTexture;
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template <class TOpenGLDriver, class TOpenGLTexture>
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class COpenGLCoreRenderTarget;
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template <class TOpenGLDriver, class TOpenGLTexture>
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class COpenGLCoreCacheHandler;
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class COpenGLDriver;
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typedef COpenGLCoreTexture<COpenGLDriver> COpenGLTexture;
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typedef COpenGLCoreRenderTarget<COpenGLDriver, COpenGLTexture> COpenGLRenderTarget;
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class COpenGLCacheHandler;
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}
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}
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#endif
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#endif
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