Begin tracking GL_TEXTURE_ and GL_DRAW_INDIRECT_ buffer bindings

src/gpu/gl/GrGLGpu.h

Index: src/gpu/gl/GrGLGpu.h
diff --git a/src/gpu/gl/GrGLGpu.h b/src/gpu/gl/GrGLGpu.h
index 1ad519a5cee27902014fab469a165a0935b1c45d..39d565987d025ad9a5168dcf4ba6ae3e560fede0 100644
--- a/src/gpu/gl/GrGLGpu.h
+++ b/src/gpu/gl/GrGLGpu.h
@@ -99,7 +99,7 @@ public:
                           const GrPrimitiveProcessor&,
                           const GrPipeline&) const override;
 
-    // id and type (GL_ARRAY_BUFFER or GL_ELEMENT_ARRAY_BUFFER) of buffer to bind
+    // id and type (GL_ARRAY_BUFFER, GL_ELEMENT_ARRAY_BUFFER, etc.) of buffer to bind
     void bindBuffer(GrGLuint id, GrGLenum type);
 
     void releaseBuffer(GrGLuint id, GrGLenum type);
@@ -542,6 +542,11 @@ private:
         GrGLVertexArray*        fVBOVertexArray;
     } fHWGeometryState;
 
+    GrGLuint    fHWBoundTextureBufferID;
+    GrGLuint    fHWBoundDrawIndirectBufferID;
+    bool        fHWBoundTextureBufferIDIsValid;
+    bool        fHWBoundDrawIndirectBufferIDIsValid;
+
     struct {
         GrBlendEquation fEquation;
         GrBlendCoeff    fSrcCoeff;