File: scoped_restore_texture.h

package info (click to toggle)
chromium 138.0.7204.183-1
  • links: PTS, VCS
  • area: main
  • in suites: trixie
  • size: 6,071,908 kB
  • sloc: cpp: 34,937,088; ansic: 7,176,967; javascript: 4,110,704; python: 1,419,953; asm: 946,768; xml: 739,971; pascal: 187,324; sh: 89,623; perl: 88,663; objc: 79,944; sql: 50,304; cs: 41,786; fortran: 24,137; makefile: 21,806; php: 13,980; tcl: 13,166; yacc: 8,925; ruby: 7,485; awk: 3,720; lisp: 3,096; lex: 1,327; ada: 727; jsp: 228; sed: 36
file content (36 lines) | stat: -rw-r--r-- 1,045 bytes parent folder | download | duplicates (8) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
 
// Copyright 2022 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef UI_GL_SCOPED_RESTORE_TEXTURE_H_
#define UI_GL_SCOPED_RESTORE_TEXTURE_H_

#include "base/memory/raw_ptr.h"
#include "ui/gl/gl_bindings.h"
#include "ui/gl/gl_export.h"

namespace gl {

// Restores the texture binding that the passed-in target had at this object's
// creation when this object is destroyed. If a non-zero `new_binding` is passed
// in, binds `target` to it at construction time.
class GL_EXPORT ScopedRestoreTexture {
 public:
  ScopedRestoreTexture(gl::GLApi* api,
                       GLenum target,
                       GLuint new_binding = 0);

  ScopedRestoreTexture(const ScopedRestoreTexture&) = delete;
  ScopedRestoreTexture& operator=(const ScopedRestoreTexture&) = delete;

  ~ScopedRestoreTexture();

 private:
  const raw_ptr<gl::GLApi> api_;
  const GLenum target_;
  GLuint prev_binding_ = 0;
};

}  // namespace gl

#endif  // UI_GL_SCOPED_RESTORE_TEXTURE_H_