Mesa (master): Add extension doc for MESA_query_driver
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Wed Jan 23 22:29:48 UTC 2019
Module: Mesa
Branch: master
Commit: 499869908bd52ad2d3cb2e205228f658308ccc36
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=499869908bd52ad2d3cb2e205228f658308ccc36
Author: Veluri Mithun <velurimithun38 at gmail.com>
Date: Sun Jan 13 17:16:04 2019 +0530
Add extension doc for MESA_query_driver
Signed-off-by: Veluri Mithun <velurimithun38 at gmail.com>
Reviewed-by: Eric Engestrom <eric.engestrom at intel.com>
Reviewed-by: Emil Velikov <emil.velikov at collabora.com>
Acked-by: Eric Engestrom <eric.engestrom at intel.com>
---
docs/specs/EGL_MESA_query_driver.txt | 90 ++++++++++++++++++++++++++++++++++++
1 file changed, 90 insertions(+)
diff --git a/docs/specs/EGL_MESA_query_driver.txt b/docs/specs/EGL_MESA_query_driver.txt
new file mode 100644
index 0000000000..66f3a8a963
--- /dev/null
+++ b/docs/specs/EGL_MESA_query_driver.txt
@@ -0,0 +1,90 @@
+Name
+
+ MESA_query_driver
+
+Name Strings
+
+ EGL_MESA_query_driver
+
+Contact
+
+ Rob Clark <robdclark 'at' gmail.com>
+ Nicolai Hähnle <Nicolai.Haehnle 'at' amd.com>
+
+Contibutors
+
+ Veluri Mithun <velurimithun38 'at' gmail.com>
+
+Status
+
+ Draft
+
+Version
+
+ Version 1, 2018-11-05
+
+Number
+
+ EGL Extension #TBD
+
+Dependencies
+
+ EGL 1.0 is required.
+
+Overview
+
+ When an application has to query the name of a driver and for
+ obtaining driver's option list (UTF-8 encoded XML) of a driver
+ the below functions are useful.
+
+ XML file formally describes all available options and also
+ includes verbal descriptions in multiple languages. Its main purpose
+ is to be automatically processed by configuration GUIs.
+ The XML shall respect the following DTD:
+
+ <!ELEMENT driinfo (section*)>
+ <!ELEMENT section (description+, option+)>
+ <!ELEMENT description (enum*)>
+ <!ATTLIST description lang CDATA #REQUIRED
+ text CDATA #REQUIRED>
+ <!ELEMENT option (description+)>
+ <!ATTLIST option name CDATA #REQUIRED
+ type (bool|enum|int|float) #REQUIRED
+ default CDATA #REQUIRED
+ valid CDATA #IMPLIED>
+ <!ELEMENT enum EMPTY>
+ <!ATTLIST enum value CDATA #REQUIRED
+ text CDATA #REQUIRED>
+
+New Procedures and Functions
+
+ char* eglGetDisplayDriverConfig(EGLDisplay disp);
+ const char* eglGetDisplayDriverName(EGLDisplay disp);
+
+Description
+
+ By passing EGLDisplay as parameter to `eglGetDisplayDriverName` one can retrieve
+ driverName. Similarly passing EGLDisplay to `eglGetDisplayDriverConfig` we can retrieve
+ driverConfig options of the driver in XML format.
+
+ The string returned by `eglGetDisplayDriverConfig` is heap-allocated and caller
+ is responsible for freeing it.
+
+ EGL_BAD_DISPLAY is generated if `disp` is not an EGL display connection.
+
+ EGL_NOT_INITIALIZED is generated if `disp` has not been initialized.
+
+ If the implementation does not have enough resources to allocate the XML then an
+ EGL_BAD_ALLOC error is generated.
+
+New Tokens
+
+ No new tokens
+
+Issues
+
+
+
+Revision History
+
+ Version 1, 2018-11-05
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