From: Ian Romanick <ian.d.roman...@intel.com> v2: Remove extra "ES" from "GLSL ES ES". Noticed by Chris Forbes.
v3: Many updates based on (very old) feedback from Paul Berry and (more recent) observation of what is most commonly done in the code base. Signed-off-by: Ian Romanick <ian.d.roman...@intel.com> Cc: Brian Paul <bri...@vmware.com> --- docs/devinfo.html | 84 +++++++++++++++++++++++++++++++++++++++++++++++++------ 1 file changed, 76 insertions(+), 8 deletions(-) diff --git a/docs/devinfo.html b/docs/devinfo.html index 8ebf80f..fc0001b 100644 --- a/docs/devinfo.html +++ b/docs/devinfo.html @@ -81,18 +81,86 @@ Multi-line comment: * never used before, allocate a buffer object now. */ </pre> -We try to quote the OpenGL specification where prudent: + +<p id="spec_quotes"> +It is often useful to quote sections from relevant specifications near code +that implements part of the spec. In order to make it easier to find such +quotations in the code (via grep and friends) and to find the quoted text in +the specifications, use one of the following formats. +</p> + +<p> +Text quoted from the core OpenGL, OpenGL ES, GLSL, GLSL ES, GLX, or EGL +specifications should be formatted as: +</p> + +<pre> + /* Section ##.##.## (Section Name) of the OpenGL #.# spec says: + * + * "Some quoted text from the specificiation. More quoted text. Yet + * more quoted text." + */ +</pre> + +<p> +Quotations from the GLSL or GLSL ES specifications should be attributed to +"GLSL" or "GLSL ES", respectively (i.e., <em>not</em> the full name "OpenGL +Shading Language" or "OpenGL ES Shading Language"). Note: There are a total +of 5 spaces between the <tt>*</tt> and the <tt>"</tt> starting the quotation. +</p> + +<p> +The practice used to be to include the page number in the quotation. This +posed several problems. First, the page number printed on the page and the +page number in the specification PDF never match. For this reason both page +numbers were quoted, and it was very annoying. Second, from version to +version of the specification the page number could change quite +significantly. This made it difficult to detect when the specification had +changed. Differences between the Core Profile and Compatibility Profile +specifications made this issue even worse. +</p> + +<p> +Spec quotations from OpenGL 3.2 or later should also include the Profile being +quoted. For example, a quote from the Core Profile spec would read: +</p> + +<pre> + /* Section ##.##.## (Section Name) of the OpenGL #.# (Core Profile) spec + * says: + * + * "Some quoted text from the specificiation. More quoted text. Yet + * more quoted text." + */ +</pre> + +<p> +Text quoted from an extension specifications: +</p> + +<pre> + /* The EXT_foo_bar spec says: + * + * "Some quoted text from the specificiation" + */ +</pre> + +<p> +Since extension specifications are generally small, it is usually easy enough +to find the quoted text without including a section number. One exception to +that is the issues section. Even careful spec readers may miss things in the +issues section, so it is helpful to draw attention to quotations from the +issues. +</p> + <pre> - /* Page 38 of the PDF of the OpenGL ES 3.0 spec says: + /* The EXT_foo_bar spec says: * - * "An INVALID_OPERATION error is generated for any of the following - * conditions: + * "Issues: * - * * <length> is zero." + * (#) Got an issue? * - * Additionally, page 94 of the PDF of the OpenGL 4.5 core spec - * (30.10.2014) also says this, so it's no longer allowed for desktop GL, - * either. + * RESOLVED: Have a tissue." */ </pre> Function comment example: -- 2.5.5 _______________________________________________ mesa-dev mailing list mesa-dev@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/mesa-dev