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////////////////////////////////////////////////////////////
//
// SFML - Simple and Fast Multimedia Library
// Copyright (C) 2007-2016 Laurent Gomila (laurent@sfml-dev.org)
//
// This software is provided 'as-is', without any express or implied warranty.
// In no event will the authors be held liable for any damages arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it freely,
// subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented;
// you must not claim that you wrote the original software.
// If you use this software in a product, an acknowledgment
// in the product documentation would be appreciated but is not required.
//
// 2. Altered source versions must be plainly marked as such,
// and must not be misrepresented as being the original software.
//
// 3. This notice may not be removed or altered from any source distribution.
//
////////////////////////////////////////////////////////////
#ifndef SFML_GLEXTENSIONS_HPP
#define SFML_GLEXTENSIONS_HPP
////////////////////////////////////////////////////////////
// Headers
////////////////////////////////////////////////////////////
#include <SFML/Config.hpp>
#ifdef SFML_OPENGL_ES
#include <SFML/OpenGL.hpp>
// SFML requires at a bare minimum OpenGL ES 1.0 capability
// Some extensions only incorporated by 2.0 are also required
// OpenGL ES 1.0 is defined relative to OpenGL 1.3
// OpenGL ES 1.1 is defined relative to OpenGL 1.5
// OpenGL ES 2.0 is defined relative to OpenGL 2.0
// All functionality beyond that is optional
// and has to be checked for prior to use
// Core since 1.0
#define GLEXT_multitexture true
#define GLEXT_texture_edge_clamp true
#define GLEXT_EXT_texture_edge_clamp true
#define GLEXT_blend_minmax true
#define GLEXT_glClientActiveTexture glClientActiveTexture
#define GLEXT_glActiveTexture glActiveTexture
#define GLEXT_GL_TEXTURE0 GL_TEXTURE0
#define GLEXT_GL_CLAMP GL_CLAMP_TO_EDGE
#define GLEXT_GL_CLAMP_TO_EDGE GL_CLAMP_TO_EDGE
// The following extensions are listed chronologically
// Extension macro first, followed by tokens then
// functions according to the corresponding specification
// The following extensions are required.
// Core since 2.0 - OES_blend_subtract
#define GLEXT_blend_subtract GL_OES_blend_subtract
#define GLEXT_glBlendEquation glBlendEquationOES
#define GLEXT_GL_FUNC_ADD GL_FUNC_ADD_OES
#define GLEXT_GL_FUNC_SUBTRACT GL_FUNC_SUBTRACT_OES
#define GLEXT_GL_FUNC_REVERSE_SUBTRACT GL_FUNC_REVERSE_SUBTRACT_OES
// The following extensions are optional.
// Core since 2.0 - OES_blend_func_separate
#ifdef SFML_SYSTEM_ANDROID
// Hack to make transparency working on some Android devices
#define GLEXT_blend_func_separate false
#else
#define GLEXT_blend_func_separate GL_OES_blend_func_separate
#endif
#define GLEXT_glBlendFuncSeparate glBlendFuncSeparateOES
// Core since 2.0 - OES_blend_equation_separate
#ifdef SFML_SYSTEM_ANDROID
// Hack to make transparency working on some Android devices
#define GLEXT_blend_equation_separate false
#else
#define GLEXT_blend_equation_separate GL_OES_blend_equation_separate
#endif
#define GLEXT_glBlendEquationSeparate glBlendEquationSeparateOES
// Core since 2.0 - OES_texture_npot
#define GLEXT_texture_non_power_of_two false
// Core since 2.0 - OES_framebuffer_object
#define GLEXT_framebuffer_object GL_OES_framebuffer_object
#define GLEXT_glBindRenderbuffer glBindRenderbufferOES
#define GLEXT_glDeleteRenderbuffers glDeleteRenderbuffersOES
#define GLEXT_glGenRenderbuffers glGenRenderbuffersOES
#define GLEXT_glRenderbufferStorage glRenderbufferStorageOES
#define GLEXT_glBindFramebuffer glBindFramebufferOES
#define GLEXT_glDeleteFramebuffers glDeleteFramebuffersOES
#define GLEXT_glGenFramebuffers glGenFramebuffersOES
#define GLEXT_glCheckFramebufferStatus glCheckFramebufferStatusOES
#define GLEXT_glFramebufferTexture2D glFramebufferTexture2DOES
#define GLEXT_glFramebufferRenderbuffer glFramebufferRenderbufferOES
#define GLEXT_glGenerateMipmap glGenerateMipmapOES
#define GLEXT_GL_FRAMEBUFFER GL_FRAMEBUFFER_OES
#define GLEXT_GL_RENDERBUFFER GL_RENDERBUFFER_OES
#define GLEXT_GL_DEPTH_COMPONENT GL_DEPTH_COMPONENT16_OES
#define GLEXT_GL_COLOR_ATTACHMENT0 GL_COLOR_ATTACHMENT0_OES
#define GLEXT_GL_DEPTH_ATTACHMENT GL_DEPTH_ATTACHMENT_OES
#define GLEXT_GL_FRAMEBUFFER_COMPLETE GL_FRAMEBUFFER_COMPLETE_OES
#define GLEXT_GL_FRAMEBUFFER_BINDING GL_FRAMEBUFFER_BINDING_OES
#define GLEXT_GL_INVALID_FRAMEBUFFER_OPERATION GL_INVALID_FRAMEBUFFER_OPERATION_OES
// Core since 3.0 - EXT_sRGB
#ifdef GL_EXT_sRGB
#define GLEXT_texture_sRGB GL_EXT_sRGB
#define GLEXT_GL_SRGB8_ALPHA8 GL_SRGB8_ALPHA8_EXT
#else
#define GLEXT_texture_sRGB false
#define GLEXT_GL_SRGB8_ALPHA8 0
#endif
#else
#include <SFML/Graphics/GLLoader.hpp>
// SFML requires at a bare minimum OpenGL 1.1 capability
// All functionality beyond that is optional
// and has to be checked for prior to use
// Core since 1.1
#define GLEXT_GL_DEPTH_COMPONENT GL_DEPTH_COMPONENT
#define GLEXT_GL_CLAMP GL_CLAMP
// The following extensions are listed chronologically
// Extension macro first, followed by tokens then
// functions according to the corresponding specification
// The following extensions are optional.
// Core since 1.2 - SGIS_texture_edge_clamp
#define GLEXT_texture_edge_clamp sfogl_ext_SGIS_texture_edge_clamp
#define GLEXT_GL_CLAMP_TO_EDGE GL_CLAMP_TO_EDGE_SGIS
// Core since 1.2 - EXT_texture_edge_clamp
#define GLEXT_EXT_texture_edge_clamp sfogl_ext_EXT_texture_edge_clamp
// Core since 1.2 - EXT_blend_minmax
#define GLEXT_blend_minmax sfogl_ext_EXT_blend_minmax
#define GLEXT_glBlendEquation glBlendEquationEXT
#define GLEXT_GL_FUNC_ADD GL_FUNC_ADD_EXT
// Core since 1.2 - EXT_blend_subtract
#define GLEXT_blend_subtract sfogl_ext_EXT_blend_subtract
#define GLEXT_GL_FUNC_SUBTRACT GL_FUNC_SUBTRACT_EXT
#define GLEXT_GL_FUNC_REVERSE_SUBTRACT GL_FUNC_REVERSE_SUBTRACT_EXT
// Core since 1.3 - ARB_multitexture
#define GLEXT_multitexture sfogl_ext_ARB_multitexture
#define GLEXT_glClientActiveTexture glClientActiveTextureARB
#define GLEXT_glActiveTexture glActiveTextureARB
#define GLEXT_GL_TEXTURE0 GL_TEXTURE0_ARB
// Core since 1.4 - EXT_blend_func_separate
#define GLEXT_blend_func_separate sfogl_ext_EXT_blend_func_separate
#define GLEXT_glBlendFuncSeparate glBlendFuncSeparateEXT
// Core since 2.0 - ARB_shading_language_100
#define GLEXT_shading_language_100 sfogl_ext_ARB_shading_language_100
// Core since 2.0 - ARB_shader_objects
#define GLEXT_shader_objects sfogl_ext_ARB_shader_objects
#define GLEXT_glDeleteObject glDeleteObjectARB
#define GLEXT_glGetHandle glGetHandleARB
#define GLEXT_glCreateShaderObject glCreateShaderObjectARB
#define GLEXT_glShaderSource glShaderSourceARB
#define GLEXT_glCompileShader glCompileShaderARB
#define GLEXT_glCreateProgramObject glCreateProgramObjectARB
#define GLEXT_glAttachObject glAttachObjectARB
#define GLEXT_glLinkProgram glLinkProgramARB
#define GLEXT_glUseProgramObject glUseProgramObjectARB
#define GLEXT_glUniform1f glUniform1fARB
#define GLEXT_glUniform2f glUniform2fARB
#define GLEXT_glUniform3f glUniform3fARB
#define GLEXT_glUniform4f glUniform4fARB
#define GLEXT_glUniform1i glUniform1iARB
#define GLEXT_glUniform2i glUniform2iARB
#define GLEXT_glUniform3i glUniform3iARB
#define GLEXT_glUniform4i glUniform4iARB
#define GLEXT_glUniform1fv glUniform1fvARB
#define GLEXT_glUniform2fv glUniform2fvARB
#define GLEXT_glUniform2iv glUniform2ivARB
#define GLEXT_glUniform3fv glUniform3fvARB
#define GLEXT_glUniform4fv glUniform4fvARB
#define GLEXT_glUniformMatrix3fv glUniformMatrix3fvARB
#define GLEXT_glUniformMatrix4fv glUniformMatrix4fvARB
#define GLEXT_glGetObjectParameteriv glGetObjectParameterivARB
#define GLEXT_glGetInfoLog glGetInfoLogARB
#define GLEXT_glGetUniformLocation glGetUniformLocationARB
#define GLEXT_GL_PROGRAM_OBJECT GL_PROGRAM_OBJECT_ARB
#define GLEXT_GL_OBJECT_COMPILE_STATUS GL_OBJECT_COMPILE_STATUS_ARB
#define GLEXT_GL_OBJECT_LINK_STATUS GL_OBJECT_LINK_STATUS_ARB
#define GLEXT_GLhandle GLhandleARB
// Core since 2.0 - ARB_vertex_shader
#define GLEXT_vertex_shader sfogl_ext_ARB_vertex_shader
#define GLEXT_GL_VERTEX_SHADER GL_VERTEX_SHADER_ARB
#define GLEXT_GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS_ARB
// Core since 2.0 - ARB_fragment_shader
#define GLEXT_fragment_shader sfogl_ext_ARB_fragment_shader
#define GLEXT_GL_FRAGMENT_SHADER GL_FRAGMENT_SHADER_ARB
// Core since 2.0 - ARB_texture_non_power_of_two
#define GLEXT_texture_non_power_of_two sfogl_ext_ARB_texture_non_power_of_two
// Core since 2.0 - EXT_blend_equation_separate
#define GLEXT_blend_equation_separate sfogl_ext_EXT_blend_equation_separate
#define GLEXT_glBlendEquationSeparate glBlendEquationSeparateEXT
// Core since 2.1 - EXT_texture_sRGB
#define GLEXT_texture_sRGB sfogl_ext_EXT_texture_sRGB
#define GLEXT_GL_SRGB8_ALPHA8 GL_SRGB8_ALPHA8_EXT
// Core since 3.0 - EXT_framebuffer_object
#define GLEXT_framebuffer_object sfogl_ext_EXT_framebuffer_object
#define GLEXT_glBindRenderbuffer glBindRenderbufferEXT
#define GLEXT_glDeleteRenderbuffers glDeleteRenderbuffersEXT
#define GLEXT_glGenRenderbuffers glGenRenderbuffersEXT
#define GLEXT_glRenderbufferStorage glRenderbufferStorageEXT
#define GLEXT_glBindFramebuffer glBindFramebufferEXT
#define GLEXT_glDeleteFramebuffers glDeleteFramebuffersEXT
#define GLEXT_glGenFramebuffers glGenFramebuffersEXT
#define GLEXT_glCheckFramebufferStatus glCheckFramebufferStatusEXT
#define GLEXT_glFramebufferTexture2D glFramebufferTexture2DEXT
#define GLEXT_glFramebufferRenderbuffer glFramebufferRenderbufferEXT
#define GLEXT_glGenerateMipmap glGenerateMipmapEXT
#define GLEXT_GL_FRAMEBUFFER GL_FRAMEBUFFER_EXT
#define GLEXT_GL_RENDERBUFFER GL_RENDERBUFFER_EXT
#define GLEXT_GL_COLOR_ATTACHMENT0 GL_COLOR_ATTACHMENT0_EXT
#define GLEXT_GL_DEPTH_ATTACHMENT GL_DEPTH_ATTACHMENT_EXT
#define GLEXT_GL_FRAMEBUFFER_COMPLETE GL_FRAMEBUFFER_COMPLETE_EXT
#define GLEXT_GL_FRAMEBUFFER_BINDING GL_FRAMEBUFFER_BINDING_EXT
#define GLEXT_GL_INVALID_FRAMEBUFFER_OPERATION GL_INVALID_FRAMEBUFFER_OPERATION_EXT
// Core since 3.2 - ARB_geometry_shader4
#define GLEXT_geometry_shader4 sfogl_ext_ARB_geometry_shader4
#define GLEXT_GL_GEOMETRY_SHADER GL_GEOMETRY_SHADER_ARB
#endif
namespace sf
{
namespace priv
{
////////////////////////////////////////////////////////////
/// \brief Make sure that extensions are initialized
///
////////////////////////////////////////////////////////////
void ensureExtensionsInit();
} // namespace priv
} // namespace sf
#endif // SFML_GLEXTENSIONS_HPP
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