X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=blobdiff_plain;f=source%2Fextension.cpp;h=a095986123dd535d192881c2870649ae8e936e43;hp=c846c59d72398dc0c1cbdbf59d03859871cc3ca2;hb=HEAD;hpb=5f8bc38419379b7d47aa69cb68d380728f5ee26f diff --git a/source/extension.cpp b/source/extension.cpp deleted file mode 100644 index c846c59d..00000000 --- a/source/extension.cpp +++ /dev/null @@ -1,120 +0,0 @@ -#include -#ifndef WIN32 -#define GLX_GLXEXT_PROTOTYPES -#include -#endif -#include -#include -#include "arb_shader_objects.h" -#include "arb_uniform_buffer_object.h" -#include "arb_vertex_buffer_object.h" -#include "arb_vertex_program.h" -#include "arb_vertex_shader.h" -#include "error.h" -#include "ext_framebuffer_blit.h" -#include "ext_framebuffer_multisample.h" -#include "ext_framebuffer_object.h" -#include "extension.h" -#include "gl.h" -#include "nv_primitive_restart.h" -#include "version_1_2.h" -#include "version_1_3.h" - -using namespace std; - -namespace Msp { -namespace GL { - -bool is_supported(const string &ext) -{ - static set extensions; - static bool init_done = false; - - if(!init_done) - { - if(const char *gl_ext = reinterpret_cast(glGetString(GL_EXTENSIONS))) - { - vector exts = split(gl_ext); - extensions.insert(exts.begin(), exts.end()); - } - - /* XXX Conceptually a bit weird place for this, but I couldn't really come up - with anything better that would still be transparent. */ - if(extensions.count("GL_ARB_shader_objects")) - init_arb_shader_objects(); - if(extensions.count("GL_ARB_vertex_shader")) - init_arb_vertex_shader(); - if(extensions.count("GL_ARB_vertex_program")) - init_arb_vertex_program(); - if(extensions.count("GL_EXT_framebuffer_object")) - init_ext_framebuffer_object(); - if(extensions.count("GL_EXT_framebuffer_blit")) - init_ext_framebuffer_blit(); - if(extensions.count("GL_EXT_framebuffer_multisample")) - init_ext_framebuffer_multisample(); - if(extensions.count("GL_ARB_vertex_buffer_object")) - init_arb_vertex_buffer_object(); - if(extensions.count("GL_NV_primitive_restart")) - init_nv_primitive_restart(); - if(extensions.count("GL_ARB_uniform_buffer_object")) - init_arb_uniform_buffer_object(); - - init_done = true; - } - - return extensions.count(ext); -} - -void require_extension(const string &ext) -{ - if(!is_supported(ext)) - throw unsupported_extension(ext); -} - -const Version &get_gl_version() -{ - static Version version; - static bool init_done = false; - - if(!init_done) - { - string gl_ver = reinterpret_cast(glGetString(GL_VERSION)); - vector parts = split(gl_ver.substr(0, gl_ver.find(' ')), '.'); - version.major = lexical_cast(parts[0]); - version.minor = lexical_cast(parts[1]); - - unsigned combined = version.major*0x100+version.minor; - if(combined>=0x102) - init_version_1_2(); - if(combined>=0x103) - init_version_1_3(); - - init_done = true; - } - - return version; -} - -bool is_version_at_least(unsigned a, unsigned b) -{ - const Version &ver = get_gl_version(); - return (ver.major>a || (ver.major==a && ver.minor>=b)); -} - -void require_version(unsigned a, unsigned b) -{ - if(!is_version_at_least(a, b)) - throw unsupported_extension(format("OpenGL %d.%d", a, b)); -} - -ExtFunc *get_proc_address(const string &name) -{ -#ifndef WIN32 - return glXGetProcAddressARB(reinterpret_cast(name.c_str())); -#else - return reinterpret_cast(wglGetProcAddress(name.c_str())); -#endif -} - -} // namespace GL -} // namespace Msp