ui/gl/gl_image_surface_texture.h

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef UI_GL_GL_IMAGE_SURFACE_TEXTURE_H_
   6 #define UI_GL_GL_IMAGE_SURFACE_TEXTURE_H_
   7
   8 #include "base/memory/ref_counted.h"
   9 #include "base/threading/thread_checker.h"
  10 #include "ui/gl/gl_bindings.h"
  11 #include "ui/gl/gl_image.h"
  12
  13 namespace gfx {
  14 class SurfaceTexture;
  15
  16 class GL_EXPORT GLImageSurfaceTexture : public GLImage {
  17  public:
  18   explicit GLImageSurfaceTexture(const gfx::Size& size);
  19
  20   bool Initialize(SurfaceTexture* surface_texture);
  21
  22   // Overridden from GLImage:
  23   void Destroy(bool have_context) override;
  24   gfx::Size GetSize() override;
  25   bool BindTexImage(unsigned target) override;
  26   void ReleaseTexImage(unsigned target) override {}
  27   bool CopyTexImage(unsigned target) override;
  28   void WillUseTexImage() override {}
  29   void DidUseTexImage() override {}
  30   void WillModifyTexImage() override {}
  31   void DidModifyTexImage() override {}
  32   bool ScheduleOverlayPlane(gfx::AcceleratedWidget widget,
  33                             int z_order,
  34                             OverlayTransform transform,
  35                             const Rect& bounds_rect,
  36                             const RectF& crop_rect) override;
  37
  38  protected:
  39   ~GLImageSurfaceTexture() override;
  40
  41  private:
  42   scoped_refptr<SurfaceTexture> surface_texture_;
  43   const gfx::Size size_;
  44   GLint texture_id_;
  45   base::ThreadChecker thread_checker_;
  46
  47   DISALLOW_COPY_AND_ASSIGN(GLImageSurfaceTexture);
  48 };
  49
  50 }  // namespace gfx
  51
  52 #endif  // UI_GL_GL_IMAGE_SURFACE_TEXTURE_H_