Make CopyTexImage2D and CopyTexSubImage2D fail if...

gpu/command_buffer/service/framebuffer_manager.h

 // Copyright (c) 2010 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef GPU_COMMAND_BUFFER_SERVICE_FRAMEBUFFER_MANAGER_H_
 #define GPU_COMMAND_BUFFER_SERVICE_FRAMEBUFFER_MANAGER_H_
 
 #include <map>
 #include "base/basictypes.h"
 #include "base/ref_counted.h"
 #include "base/scoped_ptr.h"
 #include "gpu/command_buffer/service/gl_utils.h"
 #include "gpu/command_buffer/service/renderbuffer_manager.h"
+#include "gpu/command_buffer/service/texture_manager.h"
 
 namespace gpu {
 namespace gles2 {
 
 // This class keeps track of the frambebuffers and their attached renderbuffers
 // so we can correctly clear them.
 class FramebufferManager {
  public:
   // Info about Framebuffers currently in the system.
   class FramebufferInfo : public base::RefCounted<FramebufferInfo> {
    public:
     typedef scoped_refptr<FramebufferInfo> Ref;
 
+    class Attachment : public base::RefCounted<Attachment> {
+     public:
+      typedef scoped_refptr<Attachment> Ref;
+
+      virtual ~Attachment() { }
+      virtual GLsizei width() const = 0;
+      virtual GLsizei height() const = 0;
+      virtual GLenum internal_format() const = 0;
+      virtual GLsizei samples() const = 0;
+      virtual bool cleared() const = 0;
+      virtual void set_cleared() = 0;
+    };
+
     explicit FramebufferInfo(GLuint service_id);
 
     GLuint service_id() const {
       return service_id_;
     }
 
     bool HasUnclearedAttachment(GLenum attachment) const;
 
     // Attaches a renderbuffer to a particlar attachment.
     // Pass null to detach.
     void AttachRenderbuffer(
         GLenum attachment, RenderbufferManager::RenderbufferInfo* renderbuffer);
 
+    // Attaches a texture to a particlar attachment. Pass null to detach.
+    void AttachTexture(
+        GLenum attachment, TextureManager::TextureInfo* texture, GLenum target,
+        GLint level);
+
     void MarkAttachedRenderbuffersAsCleared();
 
+    const Attachment* GetAttachment(GLenum attachment) const;
+
     bool IsDeleted() {
       return service_id_ == 0;
     }
 
    private:
     friend class FramebufferManager;
     friend class base::RefCounted<FramebufferInfo>;
 
     ~FramebufferInfo();
 
     void MarkAsDeleted() {
       service_id_ = 0;
-      renderbuffers_.clear();
+      attachments_.clear();
     }
 
     // Service side framebuffer id.
     GLuint service_id_;
 
-    // A map of attachments to renderbuffers.
-    typedef std::map<GLenum, RenderbufferManager::RenderbufferInfo::Ref>
-        AttachmentToRenderbufferMap;
-    AttachmentToRenderbufferMap renderbuffers_;
+    // A map of attachments.
+    typedef std::map<GLenum, Attachment::Ref> AttachmentMap;
+    AttachmentMap attachments_;
+
+    DISALLOW_COPY_AND_ASSIGN(FramebufferInfo);
   };
 
   FramebufferManager();
   ~FramebufferManager();
 
   // Must call before destruction.
   void Destroy(bool have_context);
 
   // Creates a FramebufferInfo for the given framebuffer.
   void CreateFramebufferInfo(GLuint client_id, GLuint service_id);
@@ skipping 13 matching lines @@
   typedef std::map<GLuint, FramebufferInfo::Ref> FramebufferInfoMap;
   FramebufferInfoMap framebuffer_infos_;
 
   DISALLOW_COPY_AND_ASSIGN(FramebufferManager);
 };
 
 }  // namespace gles2
 }  // namespace gpu
 
 #endif  // GPU_COMMAND_BUFFER_SERVICE_FRAMEBUFFER_MANAGER_H_