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Copyright (c) 1998,1999 Kenneth Albanowski. All rights reserved. Copyright (c) 2000 Ilya Zakharevich. All rights reserved. Copyright (c) 2007 Bob Free. All rights reserved. Copyright (c) 2009-2013 Chris Marshall. All rights reserved. This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself. Perl OpenGL: a.k.a. POGL As of OpenGL-0.57 POGL now requires FreeGLUT (GLUT on Mac OS X) for full functionality: http://freeglut.sourceforge.net/ This was due to licensing constraints and lack of window close events in GLUT. Efforts are being made to support the original GLUT with reduced functionality and limited to the common subset of operations. NOTE: FreeGLUT distributions on Linux are deployed as libglut.so files, making it difficult to detect whether GLUT or FreeGLUT is installed. As such, FreeGLUT is assumed. See INSTALL for options to override this default. NOTE: POGL automatically installs a binary FreeGLUT library on 32bit win32 perl platforms. POGL provides access to most of the OpenGL 1.0, 1.1, and 1.2 APIs, and many OpenGL Extensions, such as Framebuffer Objects (FBOs) and Vertex Array Objects (VBOs). Some amount of GLU is supported, and GLUT is completely supported up to API version 3, with some support for 4.0 and FreeGlut 2.4.0. A small portion of GLX and X11 may still be supported, but this is deprecated in favor of FreeGLUT and will be removed in the future. If you use this functionality, please let us know. Compatibility notes with OpenGL 0.4: The OpenGL 0.4 library, written by Stan Melax, contains more support for some SGI specific functions then 0.5, so you may wish to stay with 0.4 on an SGI system. For other machines, 0.5 should greatly improve compatibility (compiling where 0.4 wouldn't have). Code-level compatibility with OpenGL 0.4 is available if you refer to OpenGL simply via 'use OpenGL;'. If you request specific packages (such as 'use OpenGL qw(glfunctions glconstants glutfunctions);'), you'll get 0.5 specific support. For more information, please read the OpenGL manual, available in OpenGL.pod. Portions of this module that directly derive from Stan's code are marked with "Melax" comments, and his copyright is described in the COPYRIGHT file. As this library is a simple binding between Perl and any library that complies with the OpenGL API, this module should interoperate seamlessly with any other modules that make use of OpenGL directly or (through another library) indirectly. For build instructions, please see the INSTALL file. For a brief description of what functions are supported, please read "SUPPORTS", and better yet read the two sample files, test.pl and isosurf.pl. Thanks for help developing this module goes to Stan Melax, Cass Everitt, Alligator Descarte, and probably others that I've forgotten. Happy Hacking, Kenneth Albanowski <email@example.com> As of April 13, 2007, Bob Free has assumed primary ownership of this module. As of July 03, 2011, Chris Marshall started the Perl OpenGL Project at http://sourceforge.net/projects/pogl/ . All development and module support going forward has moved there. Chris Marshall is the current maintainer of this module. DISTRIBUTIONS: CPAN: http://search.cpan.org/~chm/ # for latest CPAN version GIT: git clone git://pogl.git.sourceforge.net/gitroot/pogl/pogl PPM for 32-bit perl 5.8 +: http://www.sisyphusion.tk/ppm/OpenGL.ppd PPM for 64-bit perl 5.10+: http://www.sisyphusion.tk/ppm/OpenGL.ppd Changes: 0.58+: Chris Marshall <devel DOT chm DOT 01 at gmail DOT com> See GIT_CHANGES file in CPAN releases or use git log --stat on a git repository 0.57: Bob "grafman" Free <firstname.lastname@example.org> Updated test.pl to fix fullscreen handling Fixed OpenGL.pod to reflect correct module name Added FBO constants to param enums in gl_util.c Implemented GL_ARB_point_parameters Implemented GL_ARB_multisample Implemented GL_ARB_color_buffer_float Added OGA calc and affine functions Added glpHasGPGPU Added an ATI workaround for GL_ARB_shading_language_100 dependencies Added VBO and FBO caching in OGAs - gl_util.h Fixed gluProject and gluUnProject - was converting matrices to ints Added glutSpecialUpFunc and glutWindowStatusFunc Added dist option to Makefile.PL to support binary distributions Switched from GLUT to FreeGLUT Added FreeGLUT folder for Win32 DLLs Implemented glutSetOption Implemented glutGameModeString Implemented glutEnterGameMode Implemented glutLeaveGameMode Implemented glutGameModeGet Added glpFullScreen and glpRestoreScreen Updated test.pl to support Game Mode Implemented glutCloseFunc Implemented glutLeaveMainLoop Major refactoring of Makefile.PL Renamed WGL interface option to W32API Added help message to Makefile.PL Added verbose option to Makefile.PL Added documentation comments to OpenGL.xs Added glpHasGLUT Updated test.pl to run texhack if no GLUT Added a countdown timer to examples/texhack Fixed GL_X_BYTES in assign Fixed vertex.glsl to work on newer nvidia cards Implemented glutIgnoreKeyRepeat Implemented glutSetKeyRepeat Implemented glutForceJoystickFunc Added FreeGLUT support for cygwin builds Fixed builds for Apple's recent Mac OS changes Added README for building on Mac OS Chris Marshall Added support for building POGL within cygwin Added Config.pm support Sisyphus Added partial support for MinGW/dmake - not yet fully functional Added "clean" target to Makefile.PL Alex Dodge Added glutKeyboardUpFunc 0.56: Bob "grafman" Free <email@example.com> Added $BUILD_VERSION Updated OpenGL::Array->new Added OpenGL::Array->length Added OpenGL::Array->bind Added OpenGL::Array->bound Added OpenGL::Array->new_scalar Added OpenGL::Array->new_pointer Added OpenGL::Array->update_pointer Updated OpenGL::Array->retrieve Updated OpenGL::Array->retrieve_data Added glVertexPointer_s Added glNormalPointer_s Added glColorPointer_s Added glIndexPointer_s Added glTexCoordPointer_s Added glEdgeFlagPointer_s Added glVertexPointerEXT_s Added glNormalPointerEXT_s Added glColorPointerEXT_s Added glIndexPointerEXT_s Added glTexCoordPointerEXT_s Added glEdgeFlagPointerEXT_s Added gluBuild1DMipmaps_c Added gluBuild2DMipmaps_c Added OpenGL::Image support to test.pl Updated typemap to add GLcharARB and GLhandleARB Implemented GL_EXT_texture_cube_map Implemented GL_ARB_shader_objects Implemented GL_ARB_fragment_shader Implemented GL_ARB_vertex_shader Implemented GL_ARB_shading_language_100 Implemented GL_EXT_Cg_shader Updated test.pl to use OpenGL::Image and OpenGL::Shader Geoffrey Broadwell Fixed a bug in gl_pixelbuffer_size 0.55: Bob "grafman" Free <firstname.lastname@example.org> Added OpenGL::Array->new_list Added OpenGL::Array->elements Added macro abstraction for wgl extensions Implemented GL_ARB_depth_texture Implemented GL_ARB_draw_buffers Implemented GL_ARB_fragment_program Implemented GL_ARB_fragment_program_shadow Implemented GL_ARB_half_float_pixel Implemented GL_ARB_multitexture Implemented GL_ARB_pixel_buffer_object Implemented GL_ARB_point_sprite Implemented GL_ARB_shadow Implemented GL_ARB_texture_border_clamp Implemented GL_ARB_texture_cube_map Implemented GL_ARB_texture_env_add Implemented GL_ARB_texture_float Implemented GL_ARB_texture_mirrored_repeat Implemented GL_ARB_texture_non_power_of_two Implemented GL_ARB_texture_rectangle Implemented GL_ARB_vertex_buffer_object Implemented GL_ARB_vertex_program Implemented GL_ATI_texture_float Implemented GL_ATI_texture_mirror_once Implemented GL_EXT_bgra Implemented GL_EXT_copy_texture Implemented GL_EXT_framebuffer_object Implemented GL_EXT_packed_pixels Implemented GL_EXT_pixel_buffer_object Implemented GL_EXT_rescale_normal Implemented GL_EXT_separate_specular_color Implemented GL_EXT_shadow_funcs Implemented GL_EXT_stencil_wrap Implemented GL_EXT_subtexture Implemented GL_EXT_textureD3 Implemented GL_EXT_texture_env_dot3 Implemented GL_EXT_texture_filter_anisotropic Implemented GL_EXT_texture_lod_bias implemented GL_EXT_texture_mirror_clamp implemented GL_EXT_vertex_array Implemented GL_HP_occlusion_test Implemented GL_IBM_rasterpos_clip Implemented GL_NV_blend_square Implemented GL_NV_copy_depth_to_color Implemented GL_NV_depth_clamp Implemented GL_NV_fog_distance Implemented GL_NV_fragment_program2 Implemented GL_NV_fragment_program_option Implemented GL_NV_light_max_exponent Implemented GL_NV_packed_depth_stencil Implemented GL_NV_texgen_reflection Implemented GL_NV_texture_expand_normal Implemented GL_NV_texture_rectangle Implemented GL_NV_vertex_program2_option Implemented GL_NV_vertex_program3 Implemented GL_S3_s3tc Implemented GL_SGIS_generate_mipmap Implemented GL_SGIS_texture_lod Implemented GL_SGIX_depth_texture Implemented GL_SGIX_shadow Implemented GL_SUN_slice_accum Added glDrawRangeElements_p Added glColorPointer_p Added glEdgeFlagPointer_p Added glIndexPointer_p Added glNormalPointer_p Added glTexCoordPointer_p Added glVertexPointer_p Added 'include' folder for updated GL header files Added 'utils' folder for header processing scripts Added glversion utility to enhance Makefile.PL Fixed compiler warnings in gl_util.c and OpenGL.xs Fixed glPolygonOffsetEXT bias mapping Fixed glDrawRangeElements_s code Fixed glGetPointerv_c params pointer Moved obsolete/deprecated extensions Added $glext_implemented hashref of implemented GL extensions Added glpCheckExtension Updated test.pl Ilya Zakharevich Updated support for SunRay Sherm Pendley Added MacOSX support Daiki Nomura Helped add FreeBSD support 0.54: Martien Verbruggen fixed another Mesa limitation. #ifdef out unglob'ing: symbol not found on Solaris... 0.53: Correct vertex_array detection in isosample.pl. Add more vertex_array constants (and move the definition earlier). Exchange (default) arguments for glp*: move display after window (should not break old stuff, since there was/is no way to query the display and window). New function $d = glpDisplay() (croaks on failure). Make glpOpenWindow() return the window handle. New functions with signatures void glpMoveResizeWindow(int x, int y, unsigned int width, unsigned int height, Window w, Display* display); void glpMoveWindow(int x, int y, Window w, Display* display); void glpResizeWindow(unsigned int width, unsigned int height, Window w, Display* display); (w and display are optional). 0.52: More of the portability, bug fixes, and examples. New option -steal for glpOpenWindow() to allow drawing into an existing window (no "Visual" syncronization yet). GL_EXT_vertex_array done on the level of cpp. 0.51: Portability enhancement (X and OS/2 PM), bug fixes, examples enhanced. _have_glp() should be used instead of _have_glx to test for presence of glp* functions. Remap OpenGL 1.1 functions into GL_EXT_vertex_array interface if needed.