gltrace: Disable ARB_get_program_binary.

In order to prevent issue #316.

1 files changed, 19 insertions, 0 deletions

diff --git a/wrappers/gltrace.py b/wrappers/gltrace.py
index 799894cd..5839c696 100644
--- a/wrappers/gltrace.py
+++ b/wrappers/gltrace.py
@@ -792,6 +792,13 @@ class GlTracer(Tracer):
             # These functions have been dispatched already
             return
 
+        # Force glProgramBinary to fail.  Per ARB_get_program_binary this
+        # should signal the app that it needs to recompile.
+        if function.name in ('glProgramBinary', 'glProgramBinaryOES'):
+            print r'   binaryFormat = 0xDEADDEAD;'
+            print r'   binary = &binaryFormat;'
+            print r'   length = sizeof binaryFormat;'
+
         Tracer.invokeFunction(self, function)
 
     def doInvokeFunction(self, function):
@@ -838,8 +845,20 @@ class GlTracer(Tracer):
             print '    }'
             return
 
+        if function.name in ('glGetProgramBinary', 'glGetProgramBinaryOES'):
+            print r'    bufSize = 0;'
+
         Tracer.doInvokeFunction(self, function)
 
+        if function.name == 'glGetProgramiv':
+            print r'    if (params && pname == GL_PROGRAM_BINARY_LENGTH) {'
+            print r'        *params = 0;'
+            print r'    }'
+        if function.name in ('glGetProgramBinary', 'glGetProgramBinaryOES'):
+            print r'    if (length) {'
+            print r'        *length = 0;'
+            print r'    }'
+
     buffer_targets = [
         'ARRAY_BUFFER',
         'ELEMENT_ARRAY_BUFFER',