Make CopyTexImage2D and CopyTexSubImage2D fail if...

gpu/command_buffer/service/renderbuffer_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_RENDERBUFFER_MANAGER_H_
 #define GPU_COMMAND_BUFFER_SERVICE_RENDERBUFFER_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"
 
 namespace gpu {
 namespace gles2 {
 
 // This class keeps track of the renderbuffers and whether or not they have
 // been cleared.
 class RenderbufferManager {
  public:
   // Info about Renderbuffers currently in the system.
   class RenderbufferInfo : public base::RefCounted<RenderbufferInfo> {
    public:
     typedef scoped_refptr<RenderbufferInfo> Ref;
 
     explicit RenderbufferInfo(GLuint service_id)
         : service_id_(service_id),
           cleared_(false),
-          internal_format_(GL_RGBA4) {
+          samples_(0),
+          internal_format_(GL_RGBA4),
+          width_(0),
+          height_(0) {
     }
 
     GLuint service_id() const {
       return service_id_;
     }
 
     bool cleared() const {
       return cleared_;
     }
 
     void set_cleared() {
       cleared_ = true;
     }
 
     GLenum internal_format() const {
       return internal_format_;
     }
 
-    void set_internal_format(GLenum internalformat) {
+    GLsizei samples() const {
+      return samples_;
+    }
+
+    GLsizei width() const {
+      return width_;
+    }
+
+    GLsizei height() const {
+      return height_;
+    }
+
+    void SetInfo(
+        GLsizei samples, GLenum internalformat, GLsizei width, GLsizei height) {
+      samples_ = samples;
       internal_format_ = internalformat;
+      width_ = width;
+      height_ = height;
       cleared_ = false;
     }
 
     bool IsDeleted() {
       return service_id_ == 0;
     }
 
    private:
     friend class RenderbufferManager;
     friend class base::RefCounted<RenderbufferInfo>;
 
     ~RenderbufferInfo() { }
 
     void MarkAsDeleted() {
       service_id_ = 0;
     }
 
     // Service side renderbuffer id.
     GLuint service_id_;
 
     // Whether this renderbuffer has been cleared
     bool cleared_;
 
+    // Number of samples (for multi-sampled renderbuffers)
+    GLsizei samples_;
+
     // Renderbuffer internalformat set through RenderbufferStorage().
     GLenum internal_format_;
+
+    // Dimensions of renderbuffer.
+    GLsizei width_;
+    GLsizei height_;
   };
 
   explicit RenderbufferManager(GLint max_renderbuffer_size);
   ~RenderbufferManager();
 
   GLint max_renderbuffer_size() const {
     return max_renderbuffer_size_;
   }
 
   // Must call before destruction.
@@ skipping 19 matching lines @@
   typedef std::map<GLuint, RenderbufferInfo::Ref> RenderbufferInfoMap;
   RenderbufferInfoMap renderbuffer_infos_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderbufferManager);
 };
 
 }  // namespace gles2
 }  // namespace gpu
 
 #endif  // GPU_COMMAND_BUFFER_SERVICE_RENDERBUFFER_MANAGER_H_