DXR is a code search and navigation tool aimed at making sense of large projects. It supports full-text and regex searches as well as structural queries.

Implementation

Mercurial (1aeaa33a64f9)

VCS Links

Line Code
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 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94
/* -*- Mode: c++; c-basic-offset: 4; indent-tabs-mode: nil; tab-width: 4; -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#ifndef SHARED_SURFACEIO_H_
#define SHARED_SURFACEIO_H_

#include "mozilla/RefPtr.h"
#include "SharedSurface.h"

class MacIOSurface;

namespace mozilla {
namespace gl {

class SharedSurface_IOSurface : public SharedSurface {
 private:
  const RefPtr<MacIOSurface> mIOSurf;
  GLuint mProdTex;

 public:
  static UniquePtr<SharedSurface_IOSurface> Create(
      const RefPtr<MacIOSurface>& ioSurf, GLContext* gl, bool hasAlpha);

 private:
  SharedSurface_IOSurface(const RefPtr<MacIOSurface>& ioSurf, GLContext* gl,
                          const gfx::IntSize& size, bool hasAlpha);

 public:
  ~SharedSurface_IOSurface();

  virtual void LockProdImpl() override {}
  virtual void UnlockProdImpl() override {}

  virtual void ProducerAcquireImpl() override {}
  virtual void ProducerReleaseImpl() override;

  virtual bool CopyTexImage2D(GLenum target, GLint level, GLenum internalformat,
                              GLint x, GLint y, GLsizei width, GLsizei height,
                              GLint border) override;
  virtual bool ReadPixels(GLint x, GLint y, GLsizei width, GLsizei height,
                          GLenum format, GLenum type, GLvoid* pixels) override;

  virtual GLuint ProdTexture() override { return mProdTex; }

  virtual GLenum ProdTextureTarget() const override {
    return LOCAL_GL_TEXTURE_RECTANGLE_ARB;
  }

  static SharedSurface_IOSurface* Cast(SharedSurface* surf) {
    MOZ_ASSERT(surf->mType == SharedSurfaceType::IOSurface);
    return static_cast<SharedSurface_IOSurface*>(surf);
  }

  MacIOSurface* GetIOSurface() const { return mIOSurf; }

  virtual bool NeedsIndirectReads() const override { return true; }

  virtual bool ToSurfaceDescriptor(
      layers::SurfaceDescriptor* const out_descriptor) override;

  virtual bool ReadbackBySharedHandle(
      gfx::DataSourceSurface* out_surface) override;
};

class SurfaceFactory_IOSurface : public SurfaceFactory {
 public:
  // Infallible.
  static UniquePtr<SurfaceFactory_IOSurface> Create(
      GLContext* gl, const SurfaceCaps& caps,
      const RefPtr<layers::LayersIPCChannel>& allocator,
      const layers::TextureFlags& flags);

 protected:
  const gfx::IntSize mMaxDims;

  SurfaceFactory_IOSurface(GLContext* gl, const SurfaceCaps& caps,
                           const RefPtr<layers::LayersIPCChannel>& allocator,
                           const layers::TextureFlags& flags,
                           const gfx::IntSize& maxDims)
      : SurfaceFactory(SharedSurfaceType::IOSurface, gl, caps, allocator,
                       flags),
        mMaxDims(maxDims) {}

  virtual UniquePtr<SharedSurface> CreateShared(
      const gfx::IntSize& size) override;
};

}  // namespace gl

} /* namespace mozilla */

#endif /* SHARED_SURFACEIO_H_ */