зеркало из https://github.com/mozilla/gecko-dev.git
112 строки
2.6 KiB
C++
112 строки
2.6 KiB
C++
/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
|
|
* 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/. */
|
|
|
|
#ifdef GL_PROVIDER_GLX
|
|
|
|
#include "X11TextureSourceOGL.h"
|
|
#include "gfxXlibSurface.h"
|
|
#include "gfx2DGlue.h"
|
|
|
|
namespace mozilla {
|
|
namespace layers {
|
|
|
|
using namespace mozilla::gfx;
|
|
|
|
X11TextureSourceOGL::X11TextureSourceOGL(CompositorOGL* aCompositor, gfxXlibSurface* aSurface)
|
|
: mCompositor(aCompositor)
|
|
, mSurface(aSurface)
|
|
, mTexture(0)
|
|
, mUpdated(false)
|
|
{
|
|
}
|
|
|
|
X11TextureSourceOGL::~X11TextureSourceOGL()
|
|
{
|
|
DeallocateDeviceData();
|
|
}
|
|
|
|
void
|
|
X11TextureSourceOGL::DeallocateDeviceData()
|
|
{
|
|
if (mTexture) {
|
|
if (gl() && gl()->MakeCurrent()) {
|
|
gl::sGLXLibrary.ReleaseTexImage(mSurface->XDisplay(), mSurface->GetGLXPixmap());
|
|
gl()->fDeleteTextures(1, &mTexture);
|
|
mTexture = 0;
|
|
}
|
|
}
|
|
}
|
|
|
|
void
|
|
X11TextureSourceOGL::BindTexture(GLenum aTextureUnit, gfx::Filter aFilter)
|
|
{
|
|
gl()->fActiveTexture(aTextureUnit);
|
|
|
|
if (!mTexture) {
|
|
gl()->fGenTextures(1, &mTexture);
|
|
|
|
gl()->fBindTexture(LOCAL_GL_TEXTURE_2D, mTexture);
|
|
|
|
gl::sGLXLibrary.BindTexImage(mSurface->XDisplay(), mSurface->GetGLXPixmap());
|
|
} else {
|
|
gl()->fBindTexture(LOCAL_GL_TEXTURE_2D, mTexture);
|
|
if (mUpdated) {
|
|
gl::sGLXLibrary.UpdateTexImage(mSurface->XDisplay(), mSurface->GetGLXPixmap());
|
|
mUpdated = false;
|
|
}
|
|
}
|
|
|
|
ApplyFilterToBoundTexture(gl(), aFilter, LOCAL_GL_TEXTURE_2D);
|
|
}
|
|
|
|
IntSize
|
|
X11TextureSourceOGL::GetSize() const
|
|
{
|
|
return mSurface->GetSize();
|
|
}
|
|
|
|
SurfaceFormat
|
|
X11TextureSourceOGL::GetFormat() const {
|
|
gfxContentType type = mSurface->GetContentType();
|
|
return X11TextureSourceOGL::ContentTypeToSurfaceFormat(type);
|
|
}
|
|
|
|
void
|
|
X11TextureSourceOGL::SetCompositor(Compositor* aCompositor)
|
|
{
|
|
MOZ_ASSERT(!aCompositor || aCompositor->GetBackendType() == LayersBackend::LAYERS_OPENGL);
|
|
if (mCompositor == aCompositor) {
|
|
return;
|
|
}
|
|
DeallocateDeviceData();
|
|
mCompositor = static_cast<CompositorOGL*>(aCompositor);
|
|
}
|
|
|
|
gl::GLContext*
|
|
X11TextureSourceOGL::gl() const
|
|
{
|
|
return mCompositor ? mCompositor->gl() : nullptr;
|
|
}
|
|
|
|
SurfaceFormat
|
|
X11TextureSourceOGL::ContentTypeToSurfaceFormat(gfxContentType aType)
|
|
{
|
|
// X11 uses a switched format and the OGL compositor
|
|
// doesn't support ALPHA / A8.
|
|
switch (aType) {
|
|
case gfxContentType::COLOR:
|
|
return SurfaceFormat::R8G8B8X8;
|
|
case gfxContentType::COLOR_ALPHA:
|
|
return SurfaceFormat::R8G8B8A8;
|
|
default:
|
|
return SurfaceFormat::UNKNOWN;
|
|
}
|
|
}
|
|
|
|
}
|
|
}
|
|
|
|
#endif
|