Initial import

1 files changed, 123 insertions, 0 deletions

diff --git a/parse-glxinfo.py b/parse-glxinfo.py
new file mode 100644
index 0000000..843c9fb
--- /dev/null
+++ b/parse-glxinfo.py
@@ -0,0 +1,123 @@
+#!/usr/bin/python3
+#
+# Copyright 2013 Ilia Mirkin.
+#
+# Permission is hereby granted, free of charge, to any person obtaining a
+# copy of this software and associated documentation files (the "Software"),
+# to deal in the Software without restriction, including without limitation
+# the rights to use, copy, modify, merge, publish, distribute, sublicense,
+# and/or sell copies of the Software, and to permit persons to whom the
+# Software is furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+# THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+# OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+# ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+# OTHER DEALINGS IN THE SOFTWARE.
+
+import sys
+import json
+import subprocess
+
+__author__ = "Ilia Mirkin <imirkin@alum.mit.edu>"
+
+
+class GLInfo(object):
+    def __init__(self, lines):
+        self.profile = "compat"
+        if "core profile" in lines[0]:
+            self.profile = "core"
+        if "ES profile" in lines[0]:
+            self.profile = "es"
+        for i, line in enumerate(lines):
+            if "language version" in line:
+                self.glsl = line.split(":")[-1].strip()
+            elif "version" in line:
+                version = line.split(":")[-1].strip()
+                if " " in version:
+                    version, tail = version.split(" ", 1)
+                    if tail.startswith("("):
+                        tail = tail.split(")", 1)[-1]
+                    self.library = tail.strip()
+                self.gl = version
+            elif "extensions" in line:
+                break
+        else:
+            assert False, "Extension list not found"
+
+        self.extensions = []
+        self.limits = {}
+
+        for i in range(i + 1, len(lines)):
+            line = lines[i]
+            if not line:
+                continue
+            if line.startswith("  "):
+                line = line.strip()
+                if line:
+                    self.extensions.append(line)
+            elif "limits" in line:
+                break
+            else:
+                assert False, "Unknown line in extension list: %r" % line
+        else:
+            if self.profile != "es":
+                assert False, "Limit list not found"
+            else:
+                return
+
+        for i in range(i + 1, len(lines)):
+            line = lines[i]
+            if not line:
+                continue
+            if not line.startswith("  "):
+                assert False, "Unknown line in limit list"
+            if " = " not in line:
+                continue
+            name, value = line.split(" = ", 1)
+            self.limits[name.strip()] = value.strip()
+
+if len(sys.argv) > 1:
+    glxinfo = open(sys.argv[1], "rb").read()
+else:
+    glxinfo = subprocess.check_output(["glxinfo", "-l", "-s"])
+infos = []
+
+lines = []
+vendor = None
+renderer = None
+for line in glxinfo.splitlines():
+    line = line.decode("utf-8")
+    if line.startswith("OpenGL vendor"):
+        vendor = line.split(":")[-1].strip()
+        continue
+    if line.startswith("OpenGL renderer"):
+        renderer = line.split(":")[-1].strip()
+        continue
+    # We hit the GLX visuals list. No more.
+    if "GLX Visuals" in line:
+        infos.append(GLInfo(lines))
+        break
+    if "OpenGL" in line:
+        # The first version string line
+        if not lines and "version string" in line:
+            lines.append(line)
+            continue
+        # A new version string line. Must be the start of the compat profile
+        elif "version string" in line and "shading" not in line:
+            infos.append(GLInfo(lines))
+            lines = [line]
+            continue
+    # Another line after the version string
+    if lines:
+        lines.append(line)
+
+print("register({0}, {1}, {2})".format(
+    json.dumps(vendor),
+    json.dumps(renderer),
+    json.dumps(infos, default=lambda x: x.__dict__, indent=4, sort_keys=True)))