Added a Context::getScissorParams method.

src/libGLESv2/Context.cpp

@@ -638,6 +638,14 @@ void Context::setScissorParams(GLint x, GLint y, GLsizei width, GLsizei height)
     mState.scissor.height = height;
 }
 
+void Context::getScissorParams(GLint *x, GLint *y, GLsizei *width, GLsizei *height)
+{
+    *x = mState.scissor.x;
+    *y = mState.scissor.y;
+    *width = mState.scissor.width;
+    *height = mState.scissor.height;
+}
+
 void Context::setColorMask(bool red, bool green, bool blue, bool alpha)
 {
     mState.blend.colorMaskRed = red;

src/libGLESv2/Context.h

@@ -214,6 +214,7 @@ class Context
     void setViewportParams(GLint x, GLint y, GLsizei width, GLsizei height);
 
     void setScissorParams(GLint x, GLint y, GLsizei width, GLsizei height);
+    void getScissorParams(GLint *x, GLint *y, GLsizei *width, GLsizei *height);
 
     void setColorMask(bool red, bool green, bool blue, bool alpha);
     void setDepthMask(bool mask);