Remove blink side texture status caching.

third_party/WebKit/Source/modules/webgl/WebGLFramebuffer.h

 /*
  * Copyright (C) 2009 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 23 matching lines @@
 class WebGLRenderbuffer;
 class WebGLTexture;
 
 class WebGLFramebuffer final : public WebGLContextObject {
     DEFINE_WRAPPERTYPEINFO();
 public:
     class WebGLAttachment : public GarbageCollectedFinalized<WebGLAttachment> {
     public:
         virtual ~WebGLAttachment();
 
-        virtual GLsizei width() const = 0;
-        virtual GLsizei height() const = 0;
-        virtual GLsizei depth() const = 0;
-        virtual GLenum format() const = 0;
-        // For texture attachment, type() returns the type of the attached texture.
-        // For renderbuffer attachment, the type of the renderbuffer may vary with GL implementation.
-        // To avoid confusion, it would be better to not implement type() for renderbuffer attachment and
-        // we should always use the internalformat of the renderbuffer and avoid using type() API.
-        virtual GLenum type() const = 0;
-        virtual bool isCubeComplete() const = 0;
         virtual WebGLSharedObject* object() const = 0;
         virtual bool isSharedObject(WebGLSharedObject*) const = 0;
         virtual bool valid() const = 0;
         virtual void onDetached(WebGraphicsContext3D*) = 0;
         virtual void attach(WebGraphicsContext3D*, GLenum target, GLenum attachment) = 0;
         virtual void unattach(WebGraphicsContext3D*, GLenum target, GLenum attachment) = 0;
 
         DEFINE_INLINE_VIRTUAL_TRACE() { }
 
     protected:
         WebGLAttachment();
     };
 
     ~WebGLFramebuffer() override;
 
     static WebGLFramebuffer* create(WebGLRenderingContextBase*);
 
     Platform3DObject object() const { return m_object; }
 
     void setAttachmentForBoundFramebuffer(GLenum target, GLenum attachment, GLenum texTarget, WebGLTexture*, GLint level, GLint layer);
     void setAttachmentForBoundFramebuffer(GLenum target, GLenum attachment, WebGLRenderbuffer*);
     // If an object is attached to the currently bound framebuffer, remove it.
     void removeAttachmentFromBoundFramebuffer(GLenum target, WebGLSharedObject*);
     // If a given attachment point for the currently bound framebuffer is not null, remove the attached object.
     void removeAttachmentFromBoundFramebuffer(GLenum target, GLenum attachment);
     WebGLSharedObject* getAttachmentObject(GLenum) const;
 
-    GLenum colorBufferFormat() const;
-
-    // Software version of glCheckFramebufferStatus(), except that when
-    // FRAMEBUFFER_COMPLETE is returned, it is still possible for
-    // glCheckFramebufferStatus() to return FRAMEBUFFER_UNSUPPORTED,
-    // depending on hardware implementation.
-    GLenum checkStatus(const char** reason) const;
-
     // WebGL 1 specific:
     //   1) can't allow depth_stencil for depth/stencil attachments, and vice versa.
     //   2) no conflicting DEPTH/STENCIL/DEPTH_STENCIL attachments.
     GLenum checkDepthStencilStatus(const char** reason) const;
 
     bool hasEverBeenBound() const { return object() && m_hasEverBeenBound; }
 
     void setHasEverBeenBound() { m_hasEverBeenBound = true; }
 
     bool hasStencilBuffer() const;
 
     // Wrapper for drawBuffersEXT/drawBuffersARB to work around a driver bug.
     void drawBuffers(const Vector<GLenum>& bufs);
 
     GLenum getDrawBuffer(GLenum);
 
     void readBuffer(const GLenum colorBuffer) { m_readBuffer = colorBuffer; }
 
     GLenum getReadBuffer() const { return m_readBuffer; }
 
-    // If readbuffer is GL_NONE or no image is attached, return false.
-    // Note: it's ok for format or type to be nullptr.
-    bool getReadBufferFormatAndType(GLenum* format, GLenum* type) const;
-
     DECLARE_VIRTUAL_TRACE();
 
 protected:
     explicit WebGLFramebuffer(WebGLRenderingContextBase*);
 
     bool hasObject() const override { return m_object != 0; }
     void deleteObjectImpl(WebGraphicsContext3D*) override;
 
 private:
     WebGLAttachment* getAttachment(GLenum attachment) const;
-    bool isAttachmentComplete(WebGLAttachment* attachedObject, GLenum attachment, const char** reason) const;
 
     // Check if the framebuffer is currently bound.
     bool isBound(GLenum target) const;
 
     // attach 'attachment' at 'attachmentPoint'.
     void attach(GLenum target, GLenum attachment, GLenum attachmentPoint);
 
     // Check if a new drawBuffers call should be issued. This is called when we add or remove an attachment.
     void drawBuffersIfNecessary(bool force);
 
     Platform3DObject m_object;
 
     typedef HeapHashMap<GLenum, Member<WebGLAttachment>> AttachmentMap;
 
     AttachmentMap m_attachments;
     bool m_destructionInProgress;
 
     bool m_hasEverBeenBound;
 
     Vector<GLenum> m_drawBuffers;
     Vector<GLenum> m_filteredDrawBuffers;
 
     GLenum m_readBuffer;
 };
 
 } // namespace blink
 
 #endif // WebGLFramebuffer_h