Added debug GL Interface. This interface tracks various GL objects in order to find leaks & invalid accesses.

Core Review: http://codereview.appspot.com/5846049/




git-svn-id: http://skia.googlecode.com/svn/trunk@3426 2bbb7eff-a529-9590-31e7-b0007b416f81

2 files changed, 35 insertions, 2 deletions

diff --git a/include/gpu/gl/GrGLInterface.h b/include/gpu/gl/GrGLInterface.h
index 968afab0d4..0ff30344cd 100644
--- a/include/gpu/gl/GrGLInterface.h
+++ b/include/gpu/gl/GrGLInterface.h
@@ -71,8 +71,8 @@ GrGLSLVersion GrGLGetGLSLVersion(const GrGLInterface*);
  * also NULL GrContext creation will fail.
  *
  * The default interface is returned by GrGLDefaultInterface. This function's
- * implementation is platform-specifc. Several have been provided, along with an
- * implementation that simply returns NULL. It is implementation-specific
+ * implementation is platform-specific. Several have been provided, along with
+ * an implementation that simply returns NULL. It is implementation-specific
  * whether the same GrGLInterface is returned or whether a new one is created
  * at each call. Some platforms may not be able to use a single GrGLInterface
  * because extension function ptrs vary across contexts. Note that GrGLInterface
@@ -107,6 +107,12 @@ const GrGLInterface* GrGLCreateMesaInterface();
  */
 const GrGLInterface* GrGLCreateNullInterface();
 
+/**
+ * Creates a debugging GrGLInterface that doesn't draw anything. Used for 
+ * finding memory leaks and invalid memory accesses.
+ */
+const GrGLInterface* GrGLCreateDebugInterface();
+
 typedef unsigned int GrGLenum;
 typedef unsigned char GrGLboolean;
 typedef unsigned int GrGLbitfield;
diff --git a/include/gpu/gl/SkDebugGLContext.h b/include/gpu/gl/SkDebugGLContext.h
new file mode 100644
index 0000000000..c51f54c7e8
--- /dev/null
+++ b/include/gpu/gl/SkDebugGLContext.h
@@ -0,0 +1,27 @@
+
+/*
+ * Copyright 2012 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+#ifndef SkDebugGLContext_DEFINED
+#define SkDebugGLContext_DEFINED
+
+#include "SkGLContext.h"
+
+class SkDebugGLContext : public SkGLContext {
+
+public:
+    SkDebugGLContext() {};
+
+    virtual void makeCurrent() const SK_OVERRIDE {};
+
+protected:
+    virtual const GrGLInterface* createGLContext() SK_OVERRIDE;
+
+    virtual void destroyGLContext() SK_OVERRIDE {};
+};
+
+#endif
+