| Name |
| |
| ARB_create_context_no_error |
| |
| Name Strings |
| |
| WGL_ARB_create_context_no_error |
| GLX_ARB_create_context_no_error |
| |
| Contact |
| |
| Piers Daniell (pdaniell 'at' nvidia.com) |
| |
| Contributors |
| |
| Piers Daniell, NVIDIA |
| Daniel Koch, NVIDIA |
| |
| Notice |
| |
| Copyright (c) 2017 The Khronos Group Inc. Copyright terms at |
| http://www.khronos.org/registry/speccopyright.html |
| |
| Specification Update Policy |
| |
| Khronos-approved extension specifications are updated in response to |
| issues and bugs prioritized by the Khronos OpenGL Working Group. For |
| extensions which have been promoted to a core Specification, fixes will |
| first appear in the latest version of that core Specification, and will |
| eventually be backported to the extension document. This policy is |
| described in more detail at |
| https://www.khronos.org/registry/OpenGL/docs/update_policy.php |
| |
| Status |
| |
| Complete. Approved by the OpenGL working group on March 31, 2017. |
| Approved by the Khronos Board of Promoters on May 26, 2017. |
| |
| Version |
| |
| Last Modified Date: 2017-03-10 |
| Author Revision: 2 |
| |
| Number |
| |
| ARB Extension #191 |
| |
| Dependencies |
| |
| WGL_ARB_create_context_no_error is written against the |
| WGL_ARB_create_context specification, which is required. |
| |
| GLX_ARB_create_context_no_error is written against the GLX 1.4 and |
| GLX_ARB_create_context specifications. Both are required. |
| |
| Overview |
| |
| This extension allows the creation of an OpenGL or OpenGL ES context that |
| doesn't generate errors if the context supports a no error mode. The |
| implications of this feature are discussed in the GL_KHR_no_error |
| extension. |
| |
| New Procedures and Functions |
| |
| None |
| |
| New Tokens (WGL) |
| |
| Accepted as an attribute name in the <*attrib_list> argument to |
| wglCreateContextAttribsARB: |
| |
| WGL_CONTEXT_OPENGL_NO_ERROR_ARB 0x31B3 |
| |
| New Tokens (GLX) |
| |
| Accepted as an attribute name in the <*attrib_list> argument to |
| glXCreateContextAttribsARB: |
| |
| GLX_CONTEXT_OPENGL_NO_ERROR_ARB 0x31B3 |
| |
| Additions to WGL_ARB_create_context and wglMakeCurrent |
| |
| Add a new paragraph to the description of wglCreateContextAttribsARB, as |
| defined by WGL_ARB_create_context: |
| |
| "The attribute name WGL_CONTEXT_OPENGL_NO_ERROR_ARB indicates whether a |
| faster and lower power mode should be enabled for the OpenGL or OpenGL ES |
| context. In this mode instead of GL errors occurring as defined in the |
| OpenGL spec those errors will result in undefined behavior. The default |
| value of WGL_CONTEXT_OPENGL_NO_ERROR_ARB is FALSE." |
| |
| Additions to the GLX 1.4 Specification and GLX_ARB_create_context |
| |
| Add a new paragraph to the description of glXCreateContextAttribsARB, |
| as defined by GLX_ARB_create_context: |
| |
| "The attribute name GLX_CONTEXT_OPENGL_NO_ERROR_ARB indicates whether a |
| faster and lower power mode should be enabled for the OpenGL or OpenGL ES |
| context. In this mode instead of GL errors occurring as defined in the |
| OpenGL spec those errors will result in undefined behavior. The default |
| value of WGL_CONTEXT_OPENGL_NO_ERROR_ARB is FALSE." |
| |
| GLX Protocol |
| |
| TBD. |
| |
| Errors for WGL |
| |
| ERROR_INCOMPATIBLE_DEVICE_CONTEXTS_ARB is generated if the value of |
| WGL_CONTEXT_OPENGL_NO_ERROR_ARB used to create <share_context> does not |
| match the value of WGL_CONTEXT_OPENGL_NO_ERROR_ARB for the context being |
| created. |
| |
| ERROR_INCOMPATIBLE_DEVICE_CONTEXTS_ARB is generated if the |
| WGL_CONTEXT_OPENGL_NO_ERROR_ARB is TRUE at the same time as a debug or |
| robustness context is specified. |
| |
| Errors for GLX |
| |
| BadMatch is generated if the value of GLX_CONTEXT_OPENGL_NO_ERROR_ARB |
| used to create <share_context> does not match the value of |
| GLX_CONTEXT_OPENGL_NO_ERROR_ARB for the context being created. |
| |
| BadMatch is generated if the GLX_CONTEXT_OPENGL_NO_ERROR_ARB is TRUE at |
| the same time as a debug or robustness context is specified. |
| |
| New State |
| |
| None. |
| |
| Issues |
| |
| None |
| |
| Revision History |
| |
| Rev. Date Author Changes |
| ---- ---------- -------- --------------------------------------------- |
| 1 2017-03-02 pdaniell Initial draft |
| 2 2017-03-10 pdaniell Added errors |
| 3 2017-03-27 pdaniell Removed example section and added enum values |