FGFS-4.1/OpenSceneGraph
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101 Commits

Author SHA1 Message Date
Julien Valentin
f4663b0e32 add ARB_BufferStorage extensions 2018-01-25 16:22:33 +01:00
Robert Osfield
a7cc9664c0 Renamed EnvVar header to os_utils in prep for adding more OS related calls to it 2018-01-12 16:48:17 +00:00
Julien Valentin
0e76dc169e add more Extensions 2018-01-04 04:18:38 +01:00
Andre Normann
a811de2ba7 Attached is a fix in GLExtension, which is based on latest git version, that fixes the usage of uniform buffer objects on macOS. Under macOS core OpenGL features aren't exported as extension. OpenGL 3.1 includes the GL_ARB_uniform_buffer_object as core feature for example. On macOS a simple osg::isGLExtensionSupported() call would fail. It is required to use the isGLExtensionOrVersionSupported() method. This is what my fix does. 2017-11-13 10:24:31 +00:00
Robert Osfield
aa744edacc Fixed warning 2017-11-02 10:02:34 +00:00
Robert Osfield
239b0faa4c Replaced getenv calls with safer osg::getEnvVar usage 2017-11-02 10:00:28 +00:00
Robert Osfield
338b0e2b7b Moved getenv usage across to safer osg::getEnvVar() usage 2017-11-01 17:38:33 +00:00
Robert Osfield
6a2bd1f898 Added missing initializers 2017-10-31 17:43:39 +00:00
Julien Valentin
c89b08ea1f Add extensions 2017-08-25 00:19:22 +02:00
Robert Osfield
f3adcda6b7 Removed the GLclampd declaration and replaced its usage with GLdouble to standardize the OSG extension setup with current GL/GLES headers. 
Added a float fallback from osg::DepthDangeIndex to suppprt GLES.
 2017-08-16 14:20:00 +01:00
konstantin.matveyev
8e8d5b2fe0 Emscripten: EGL instead of SDL2 in GLExtensions.cpp 2017-08-14 11:19:04 +03:00
Michael Kapelko
f992ec1440 Add osgemscripten example 2017-06-22 09:44:06 +07:00
Alexander Roan
3dc3dd3bd6 GLExtenstions: fix checking of isFrameBufferObjectSupported flag for GLES2 2017-04-24 10:19:58 +01:00
mp3butcher
8d40323761 add Extensions 2017-04-05 18:11:50 +02:00
Thomas Hogarth
7ba2e728cd GLES3 now working on iOS, tried to maintain support for have bother gles2 and gles3, allowed avfoundation to be added on iOS, improved iOS example cmake generation 2017-03-20 18:39:56 +00:00
d-a-heitbrink
7b3fc0925c Merge branch 'master' of https://github.com/openscenegraph/OpenSceneGraph 2017-03-01 16:12:49 -06:00
Laurens Voerman
9183f275f5 Fixed a few old function names. 
Check extensions trough extermination string - not by function pointer value.
Added a few validContext tests to ensure no functions or isExterntionSupported bool is set for an non valid context.
Remove duplicates / merge some lines.
Removed "GL_APPLE_texture_2D_limited_npot" form isNonPowerOfTwoTextureMipMappedSupported.
 2017-01-25 17:05:56 +01:00
d-a-heitbrink
18369bed2d added code to deal with #extension for shader, added int64 and uint64 support 2017-01-13 09:33:49 -06:00
Robert Osfield
d4a4993285 Added GL_EXT_texture_border_clamp support for GLES 2016-11-30 17:18:33 +00:00
Robert Osfield
1abd99f084 Added support for glObjectLabel debugging 2016-11-15 14:35:47 +00:00
Robert Osfield
9072f9653e Added OES variants of vertex array object functions 2016-10-12 16:10:40 +01:00
Robert Osfield
1d75089bf8 Build fixes when compiling wuth CMake options OPENGL_PROFILE set to GLCORE 2016-10-11 11:29:29 +01:00
Mathieu MARACHE
afe45f66d2 compilation fixes when no OSG_GL_FIXED_FUNCTION_AVAILABLE 2016-10-11 11:29:29 +01:00
Robert Osfield
bf28e2d037 Refactored the VertexArrayState's handling of vertex attribute aliasing 2016-10-11 11:29:29 +01:00
Robert Osfield
078598872f Added lazy setting of arrays for osg::Geometry using vertex_array_object 2016-10-11 11:29:29 +01:00
Robert Osfield
14d1483b06 Experimental support for OpenGL Vertex Array Object 2016-10-11 11:29:29 +01:00
Robert Osfield
10d8ac7f65 Fixed extension string typo 2016-10-07 12:17:03 +01:00
Robert Osfield
dc6b55a5e9 Added support for checking GL_OES_texture_npot 2016-10-07 12:17:03 +01:00
Robert Osfield
197b4a0d30 Added GL_OES_geometry_shader and GL_OES_tessellation_shader checks 2016-10-06 10:48:29 +01:00
Laurens Voerman
ec74518868 Added glViewerArray, glSissorArray, glDepthRangeArray etc. GL extension support 2016-06-29 09:53:04 +01:00
Robert Osfield
07137f4111 Fixed unitialized variables 2016-06-23 16:32:02 +01:00
Robert Osfield
1f73376476 Restructed the GLExtensions(..) constructor so that it now intializes all the variables to NULL if there is not a valid graphics context present 2016-06-23 12:19:59 +01:00
Julien Valentin
e236acfed5 Added OpenGL extensions related to shader subroutine 2016-06-17 10:35:25 +01:00
Julien Valentin
ac26ba7e5b Shader subroutine related funcs added 2016-06-09 10:48:05 +01:00
Julien Valentin
5a4a5c3507 Added glDrawArraysIndirect, glMultiDrawArraysIndirect, glDrawElementsIndirect and glMultiDrawElementsIndirect extensions. 2016-06-01 10:01:44 +01:00
Robert Osfield
776fa48cd4 Fixed shadows warnings 2016-05-23 10:22:16 +01:00
Robert Osfield
5cb486f7c5 Added osg::MultiDrawArrays which wraps up glMultiDrawArrays extension. 2016-01-22 09:47:49 +00:00
Robert Osfield
42884e7600 From Jannik Heller, "Here is a patch for the S3TC capability check. 
On a Intel HD graphics Linux system with Mesa 10.1.3, I found that osg's Extensions::isTextureCompressionS3TCSupported() returned false, even though S3TC compressed textures *are* in fact working. I tested this by loading and rendering various DXT1, DXT3 and DXT5 compressed textures in the OSG.

"glxinfo | grep s3tc" gives:
    GL_S3_s3tc

Note, if I install the package "libtxc-dxtn-s2tc0", I get in addition:

glxinfo | grep s3tc
    GL_EXT_texture_compression_s3tc
    GL_S3_s3tc

However, S3TC compressed textures worked correctly within the OSG even without libtxc-dxtn-s2tc0 installed.

I'm not sure what the differences between these extensions are, but based on the description at https://www.opengl.org/registry/specs/S3/s3tc.txt I would assume that both will work for OSG's purposes. The attached patch changes isTextureCompressionS3TCSupported() to accept either extension."


git-svn-id: http://svn.openscenegraph.org/osg/OpenSceneGraph/trunk@15035 16af8721-9629-0410-8352-f15c8da7e697
 2015-07-31 13:44:39 +00:00
Robert Osfield
b4cd40cf7c From Mathias Froehlich, "Attached a new state attribute implementing the glClipControl that appeared with GL4.5." 
git-svn-id: http://svn.openscenegraph.org/osg/OpenSceneGraph/trunk@14928 16af8721-9629-0410-8352-f15c8da7e697
 2015-06-30 09:11:00 +00:00
Robert Osfield
e76c91ed78 From Colin McDonald, "An earlier fix in OSG 3.2 has been inadvertently lost in 3.3.x. The glGenerateMipMap function is part of the GL_EXT_framebuffer_object extension. Just checking if the function is present before using it for texture mipmaps is not sufficient, as on remote X-windows displays the client side capability may be different from the display server. This can lead to mipmapped textures failing to render. I've restored a fbo extension check. I've also tided up the GL version checking a little." 
git-svn-id: http://svn.openscenegraph.org/osg/OpenSceneGraph/trunk@14907 16af8721-9629-0410-8352-f15c8da7e697
 2015-06-10 16:47:15 +00:00
Robert Osfield
77f662f9f7 From Julien Valentin and Alberto Luaces, added support for transform feedback extensions 
git-svn-id: http://svn.openscenegraph.org/osg/OpenSceneGraph/trunk@14728 16af8721-9629-0410-8352-f15c8da7e697
 2015-02-26 17:49:36 +00:00
Robert Osfield
8b384baca9 From Julien Valentin, "To sum up changes, I had: 
-some extensions in GLExtensions
  - GL_TEXTURE_BUFFER as target in osg::StateSet
  - a VBO based transform feed back example
"


git-svn-id: http://svn.openscenegraph.org/osg/OpenSceneGraph/trunk@14651 16af8721-9629-0410-8352-f15c8da7e697
 2015-01-06 17:12:51 +00:00
Robert Osfield
49c48a5509 Added OpenGL Transform Feedback extensions. 
git-svn-id: http://svn.openscenegraph.org/osg/OpenSceneGraph/trunk@14600 16af8721-9629-0410-8352-f15c8da7e697
 2014-12-10 13:05:47 +00:00
Robert Osfield
485709f708 Moved GL2Extensions functionality into the include/osg/GLExtensions header and new GLExtensions object. 
Moved the #defines into new include/osg/GLDefines
Converted all GL2Extensions usage to GLExtensions usage


git-svn-id: http://svn.openscenegraph.org/osg/OpenSceneGraph/trunk@14593 16af8721-9629-0410-8352-f15c8da7e697
 2014-12-10 10:38:12 +00:00
Robert Osfield
d7c6bb1c4b Standardized on defined(__ANDROID__) 
git-svn-id: http://svn.openscenegraph.org/osg/OpenSceneGraph/trunk@14556 16af8721-9629-0410-8352-f15c8da7e697
 2014-11-28 10:54:40 +00:00
Robert Osfield
aa33d213dd Added an OSG_INIT_SINGLETON_PROXY(..) to initialize the static s_GLExtensionDisableString variable 2013-05-28 08:38:09 +00:00
Robert Osfield
14a563dc9f Ran script to remove trailing spaces and tabs 2012-03-21 17:36:20 +00:00
Robert Osfield
e3f7d802e4 Form Jorge Ciges, improved GL version detection code. 2011-05-26 16:52:08 +00:00
Robert Osfield
478e0f3ebf From Jorge Ciges, "1rst - Changes in Cmake: They make possible "make install" with the android building. 
2nd - Script to use a 3rd party directory with basic libraries: libjpeg,libpng,libtiff,giflib,freetype,curl,gdal.

3rd - Change in the GLES library loading for Android. That should make GLES2 work properly.

4rth- Included two defines RGB8_OES and RGBA8_OES as a substitute in GLES for RGB8 and RGBA8

5th - OpenGL and GLSL version identification changed to recognize GLES  versions properly
"
 2011-04-21 12:53:22 +00:00
Robert Osfield
a0607201a2 From David Fries and Robert Osfield, fix for handling remote GLX server that declares GL 3.0 support but doesn't actually implement it correctly. 2010-11-05 17:31:25 +00:00