The Tor Browser / file comparison
comparison: gfx/layers/opengl/X11TextureSourceOGL.cpp
gfx/layers/opengl/X11TextureSourceOGL.cpp
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
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| -1:000000000000 | 0:e229079df2b6 |
|---|---|
| 1 /* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*- | |
| 2 * This Source Code Form is subject to the terms of the Mozilla Public | |
| 3 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 5 | |
| 6 #ifdef GL_PROVIDER_GLX | |
| 7 | |
| 8 #include "X11TextureSourceOGL.h" | |
| 9 #include "mozilla/layers/CompositorOGL.h" | |
| 10 #include "gfxXlibSurface.h" | |
| 11 #include "gfx2DGlue.h" | |
| 12 | |
| 13 using namespace mozilla; | |
| 14 using namespace mozilla::layers; | |
| 15 using namespace mozilla::gfx; | |
| 16 | |
| 17 X11TextureSourceOGL::X11TextureSourceOGL(CompositorOGL* aCompositor, gfxXlibSurface* aSurface) | |
| 18 : mCompositor(aCompositor) | |
| 19 , mSurface(aSurface) | |
| 20 , mTexture(0) | |
| 21 { | |
| 22 } | |
| 23 | |
| 24 X11TextureSourceOGL::~X11TextureSourceOGL() | |
| 25 { | |
| 26 DeallocateDeviceData(); | |
| 27 } | |
| 28 | |
| 29 void | |
| 30 X11TextureSourceOGL::DeallocateDeviceData() | |
| 31 { | |
| 32 if (mTexture) { | |
| 33 if (gl() && gl()->MakeCurrent()) { | |
| 34 gl::sGLXLibrary.ReleaseTexImage(mSurface->XDisplay(), mSurface->GetGLXPixmap()); | |
| 35 gl()->fDeleteTextures(1, &mTexture); | |
| 36 mTexture = 0; | |
| 37 } | |
| 38 } | |
| 39 } | |
| 40 | |
| 41 void | |
| 42 X11TextureSourceOGL::BindTexture(GLenum aTextureUnit, gfx::Filter aFilter) | |
| 43 { | |
| 44 gl()->fActiveTexture(aTextureUnit); | |
| 45 | |
| 46 if (!mTexture) { | |
| 47 gl()->fGenTextures(1, &mTexture); | |
| 48 | |
| 49 gl()->fBindTexture(LOCAL_GL_TEXTURE_2D, mTexture); | |
| 50 | |
| 51 gl::sGLXLibrary.BindTexImage(mSurface->XDisplay(), mSurface->GetGLXPixmap()); | |
| 52 } else { | |
| 53 gl()->fBindTexture(LOCAL_GL_TEXTURE_2D, mTexture); | |
| 54 gl::sGLXLibrary.UpdateTexImage(mSurface->XDisplay(), mSurface->GetGLXPixmap()); | |
| 55 } | |
| 56 | |
| 57 ApplyFilterToBoundTexture(gl(), aFilter, LOCAL_GL_TEXTURE_2D); | |
| 58 } | |
| 59 | |
| 60 IntSize | |
| 61 X11TextureSourceOGL::GetSize() const | |
| 62 { | |
| 63 return ToIntSize(mSurface->GetSize()); | |
| 64 } | |
| 65 | |
| 66 SurfaceFormat | |
| 67 X11TextureSourceOGL::GetFormat() const { | |
| 68 gfxContentType type = mSurface->GetContentType(); | |
| 69 return X11TextureSourceOGL::ContentTypeToSurfaceFormat(type); | |
| 70 } | |
| 71 | |
| 72 void | |
| 73 X11TextureSourceOGL::SetCompositor(Compositor* aCompositor) | |
| 74 { | |
| 75 MOZ_ASSERT(!aCompositor || aCompositor->GetBackendType() == LayersBackend::LAYERS_OPENGL); | |
| 76 if (mCompositor == aCompositor) { | |
| 77 return; | |
| 78 } | |
| 79 DeallocateDeviceData(); | |
| 80 mCompositor = static_cast<CompositorOGL*>(aCompositor); | |
| 81 } | |
| 82 | |
| 83 gl::GLContext* | |
| 84 X11TextureSourceOGL::gl() const | |
| 85 { | |
| 86 return mCompositor ? mCompositor->gl() : nullptr; | |
| 87 } | |
| 88 | |
| 89 SurfaceFormat | |
| 90 X11TextureSourceOGL::ContentTypeToSurfaceFormat(gfxContentType aType) | |
| 91 { | |
| 92 // X11 uses a switched format and the OGL compositor | |
| 93 // doesn't support ALPHA / A8. | |
| 94 switch (aType) { | |
| 95 case gfxContentType::COLOR: | |
| 96 return SurfaceFormat::R8G8B8X8; | |
| 97 case gfxContentType::COLOR_ALPHA: | |
| 98 return SurfaceFormat::R8G8B8A8; | |
| 99 default: | |
| 100 return SurfaceFormat::UNKNOWN; | |
| 101 } | |
| 102 } | |
| 103 | |
| 104 #endif |
