From 280d68ca34debebfeb9172420598a15ba576eb7e Mon Sep 17 00:00:00 2001
From: Hugo Parente Lima <hugo.pl@gmail.com>
Date: Tue, 8 Feb 2011 14:35:38 -0200
Subject: Fix QGLBuffer::map code injection and test.

---
 PySide/QtOpenGL/typesystem_opengl.xml | 18 ++++++++++++------
 tests/QtOpenGL/qglbuffer_test.py      | 34 ++++++++++++++--------------------
 2 files changed, 26 insertions(+), 26 deletions(-)

diff --git a/PySide/QtOpenGL/typesystem_opengl.xml b/PySide/QtOpenGL/typesystem_opengl.xml
index cef742dcd..6ff9614db 100644
--- a/PySide/QtOpenGL/typesystem_opengl.xml
+++ b/PySide/QtOpenGL/typesystem_opengl.xml
@@ -123,12 +123,18 @@
       </inject-code>
     </modify-function>
     <modify-function signature="map(QGLBuffer::Access)">
-      <inject-code class="target" position="beginning">
-        void *data = %CPPSELF.map(%1);
-        QByteArray ret;
-        if (data)
-            ret.append((const char*)data, %CPPSELF.size());
-        %PYARG_0 = %CONVERTTOPYTHON[QByteArray](ret);
+      <inject-code>
+        Py_ssize_t dataSize = %CPPSELF.size();
+        void* data = %CPPSELF.map(%1);
+
+        if (!data) {
+            Py_INCREF(Py_None);
+            %PYARG_0 = Py_None;
+        } else if (%1 == QGLBuffer::ReadOnly) {
+            %PYARG_0 = PyBuffer_FromMemory(data, dataSize);
+        } else {
+            %PYARG_0 = PyBuffer_FromReadWriteMemory(data, dataSize);
+        }
       </inject-code>
     </modify-function>
     <modify-function signature="read(int, void*, int)">
diff --git a/tests/QtOpenGL/qglbuffer_test.py b/tests/QtOpenGL/qglbuffer_test.py
index ae23fbdf3..2cf06027f 100644
--- a/tests/QtOpenGL/qglbuffer_test.py
+++ b/tests/QtOpenGL/qglbuffer_test.py
@@ -9,12 +9,11 @@ from PySide.QtOpenGL import QGLBuffer, QGLWidget
 from helper import UsesQApplication
 
 class QGLBufferTest(UsesQApplication):
-    def usageCheck(self, t):
+    def testIt(self):
         w = QGLWidget()
         w.makeCurrent()
 
-        b = QGLBuffer(t)
-        self.assertEqual(b.usagePattern(), QGLBuffer.StaticDraw)
+        b = QGLBuffer()
         b.setUsagePattern(QGLBuffer.DynamicDraw)
 
         self.assert_(b.create())
@@ -26,24 +25,19 @@ class QGLBufferTest(UsesQApplication):
         self.assertEqual(b.size(), data.size())
 
         m = b.map(QGLBuffer.ReadOnly)
-        self.assertEqual(m.data(), data.data())
-        b.unmap()
-
-        other_data = QByteArray("67")
-        b.write(0, other_data)
-        m = b.map(QGLBuffer.ReadOnly)
-        self.assertEqual(m.mid(0, other_data.size()).data(), other_data.data())
-        b.unmap()
-
-        result, rdata = b.read(0, other_data.size())
-        print result, rdata
-        self.assert_(result)
-        self.assertEqual(other_data.data(), rdata.data())
-
+        if m:
+            self.assertEqual(m, buffer(data.data()))
+            b.unmap()
+
+            m = b.map(QGLBuffer.ReadWrite)
+            m[3] = 'A'
+            b.unmap()
+            result, rdata = b.read(3, 1)
+            self.assertTrue(result)
+            self.assertEqual('A', rdata.data())
+        else:
+            print " memory mapping is not possible in this OpenGL implementation."
         b.release()
 
-    def testUsage(self):
-        self.usageCheck(QGLBuffer.IndexBuffer)
-
 if __name__ == '__main__':
     unittest.main()
-- 
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