зеркало из https://github.com/mozilla/gecko-dev.git
131 строка
3.5 KiB
C++
131 строка
3.5 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
|
|
/* vim: set ts=8 sts=4 et sw=4 tw=80: */
|
|
/* 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 GLCONTEXTEGL_H_
|
|
#define GLCONTEXTEGL_H_
|
|
|
|
#include "GLContext.h"
|
|
#include "GLLibraryEGL.h"
|
|
|
|
#ifdef MOZ_WIDGET_GONK
|
|
#include "HwcComposer2D.h"
|
|
#endif
|
|
|
|
namespace mozilla {
|
|
namespace gl {
|
|
|
|
class GLContextEGL : public GLContext
|
|
{
|
|
friend class TextureImageEGL;
|
|
|
|
static already_AddRefed<GLContextEGL>
|
|
CreateGLContext(const SurfaceCaps& caps,
|
|
GLContextEGL *shareContext,
|
|
bool isOffscreen,
|
|
EGLConfig config,
|
|
EGLSurface surface);
|
|
|
|
public:
|
|
MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(GLContextEGL, MOZ_OVERRIDE)
|
|
GLContextEGL(const SurfaceCaps& caps,
|
|
GLContext* shareContext,
|
|
bool isOffscreen,
|
|
EGLConfig config,
|
|
EGLSurface surface,
|
|
EGLContext context);
|
|
|
|
~GLContextEGL();
|
|
|
|
virtual GLContextType GetContextType() const MOZ_OVERRIDE { return GLContextType::EGL; }
|
|
|
|
static GLContextEGL* Cast(GLContext* gl) {
|
|
MOZ_ASSERT(gl->GetContextType() == GLContextType::EGL);
|
|
return static_cast<GLContextEGL*>(gl);
|
|
}
|
|
|
|
bool Init() MOZ_OVERRIDE;
|
|
|
|
virtual bool IsDoubleBuffered() const MOZ_OVERRIDE {
|
|
return mIsDoubleBuffered;
|
|
}
|
|
|
|
void SetIsDoubleBuffered(bool aIsDB) {
|
|
mIsDoubleBuffered = aIsDB;
|
|
}
|
|
|
|
virtual bool SupportsRobustness() const MOZ_OVERRIDE {
|
|
return sEGLLibrary.HasRobustness();
|
|
}
|
|
|
|
virtual bool IsANGLE() const MOZ_OVERRIDE {
|
|
return sEGLLibrary.IsANGLE();
|
|
}
|
|
|
|
virtual bool BindTexImage() MOZ_OVERRIDE;
|
|
|
|
virtual bool ReleaseTexImage() MOZ_OVERRIDE;
|
|
|
|
void SetEGLSurfaceOverride(EGLSurface surf);
|
|
|
|
virtual bool MakeCurrentImpl(bool aForce) MOZ_OVERRIDE;
|
|
|
|
virtual bool IsCurrent() MOZ_OVERRIDE;
|
|
|
|
virtual bool RenewSurface() MOZ_OVERRIDE;
|
|
|
|
virtual void ReleaseSurface() MOZ_OVERRIDE;
|
|
|
|
virtual bool SetupLookupFunction() MOZ_OVERRIDE;
|
|
|
|
virtual bool SwapBuffers() MOZ_OVERRIDE;
|
|
|
|
// hold a reference to the given surface
|
|
// for the lifetime of this context.
|
|
void HoldSurface(gfxASurface *aSurf);
|
|
|
|
EGLContext GetEGLContext() {
|
|
return mContext;
|
|
}
|
|
|
|
bool BindTex2DOffscreen(GLContext *aOffscreen);
|
|
void UnbindTex2DOffscreen(GLContext *aOffscreen);
|
|
void BindOffscreenFramebuffer();
|
|
|
|
static already_AddRefed<GLContextEGL>
|
|
CreateEGLPixmapOffscreenContext(const gfxIntSize& size);
|
|
|
|
static already_AddRefed<GLContextEGL>
|
|
CreateEGLPBufferOffscreenContext(const gfxIntSize& size);
|
|
|
|
protected:
|
|
friend class GLContextProviderEGL;
|
|
|
|
EGLConfig mConfig;
|
|
EGLSurface mSurface;
|
|
EGLSurface mSurfaceOverride;
|
|
EGLContext mContext;
|
|
nsRefPtr<gfxASurface> mThebesSurface;
|
|
bool mBound;
|
|
|
|
bool mIsPBuffer;
|
|
bool mIsDoubleBuffered;
|
|
bool mCanBindToTexture;
|
|
bool mShareWithEGLImage;
|
|
#ifdef MOZ_WIDGET_GONK
|
|
nsRefPtr<HwcComposer2D> mHwc;
|
|
#endif
|
|
bool mOwnsContext;
|
|
|
|
static EGLSurface CreatePBufferSurfaceTryingPowerOfTwo(EGLConfig config,
|
|
EGLenum bindToTextureFormat,
|
|
gfxIntSize& pbsize);
|
|
};
|
|
|
|
}
|
|
}
|
|
|
|
#endif // GLCONTEXTEGL_H_
|