1 files changed, 15 insertions, 7 deletions
diff --git a/src/3rdparty/angle/src/libGLESv2/Buffer.h b/src/3rdparty/angle/src/libGLESv2/Buffer.h
index 389c3d4b00..35a6767502 100644
--- a/src/3rdparty/angle/src/libGLESv2/Buffer.h
+++ b/src/3rdparty/angle/src/libGLESv2/Buffer.h
@@ -11,8 +11,11 @@
 #ifndef LIBGLESV2_BUFFER_H_
 #define LIBGLESV2_BUFFER_H_
 
+#include "libGLESv2/Error.h"
+
 #include "common/angleutils.h"
 #include "common/RefCountObject.h"
+#include "libGLESv2/renderer/IndexRangeCache.h"
 
 namespace rx
 {
@@ -30,13 +33,13 @@ class Buffer : public RefCountObject
 
     virtual ~Buffer();
 
-    void bufferData(const void *data, GLsizeiptr size, GLenum usage);
-    void bufferSubData(const void *data, GLsizeiptr size, GLintptr offset);
-    void copyBufferSubData(Buffer* source, GLintptr sourceOffset, GLintptr destOffset, GLsizeiptr size);
-    GLvoid *mapRange(GLintptr offset, GLsizeiptr length, GLbitfield access);
-    void unmap();
+    Error bufferData(const void *data, GLsizeiptr size, GLenum usage);
+    Error bufferSubData(const void *data, GLsizeiptr size, GLintptr offset);
+    Error copyBufferSubData(Buffer* source, GLintptr sourceOffset, GLintptr destOffset, GLsizeiptr size);
+    Error mapRange(GLintptr offset, GLsizeiptr length, GLbitfield access);
+    Error unmap();
 
-    GLenum  getUsage() const { return mUsage; }
+    GLenum getUsage() const { return mUsage; }
     GLint getAccessFlags() const {  return mAccessFlags; }
     GLboolean isMapped() const { return mMapped; }
     GLvoid *getMapPointer() const { return mMapPointer; }
@@ -48,18 +51,23 @@ class Buffer : public RefCountObject
 
     void markTransformFeedbackUsage();
 
+    rx::IndexRangeCache *getIndexRangeCache() { return &mIndexRangeCache; }
+    const rx::IndexRangeCache *getIndexRangeCache() const { return &mIndexRangeCache; }
+
   private:
     DISALLOW_COPY_AND_ASSIGN(Buffer);
 
     rx::BufferImpl *mBuffer;
 
     GLenum mUsage;
-    GLsizeiptr mSize;
+    GLint64 mSize;
     GLint mAccessFlags;
     GLboolean mMapped;
     GLvoid *mMapPointer;
     GLint64 mMapOffset;
     GLint64 mMapLength;
+
+    rx::IndexRangeCache mIndexRangeCache;
 };
 
 }