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   unsigned GetInternalFormat() override;
  26   bool BindTexImage(unsigned target) override;
  27   void ReleaseTexImage(unsigned target) override {}
  28   bool CopyTexSubImage(unsigned target,
  29                        const Point& offset,
  30                        const Rect& rect) override;
  31   void WillUseTexImage() override {}
  32   void DidUseTexImage() override {}
  33   void WillModifyTexImage() override {}
  34   void DidModifyTexImage() override {}
  35   bool ScheduleOverlayPlane(gfx::AcceleratedWidget widget,
  36                             int z_order,
  37                             OverlayTransform transform,
  38                             const Rect& bounds_rect,
  39                             const RectF& crop_rect) override;
  40
  41  protected:
  42   ~GLImageSurfaceTexture() override;
  43
  44  private:
  45   scoped_refptr<SurfaceTexture> surface_texture_;
  46   const gfx::Size size_;
  47   GLint texture_id_;
  48   base::ThreadChecker thread_checker_;
  49
  50   DISALLOW_COPY_AND_ASSIGN(GLImageSurfaceTexture);
  51 };
  52
  53 }  // namespace gfx
  54
  55 #endif  // UI_GL_GL_IMAGE_SURFACE_TEXTURE_H_