gfx/layers/opengl/X11TextureSourceOGL.cpp@b8a032363ba2 (annotated)
gfx/layers/opengl/X11TextureSourceOGL.cpp
Thu, 22 Jan 2015 13:21:57 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Thu, 22 Jan 2015 13:21:57 +0100
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
- permissions
- -rw-r--r--
Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6
| michael@0 | 1 | /* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*- |
| michael@0 | 2 | * This Source Code Form is subject to the terms of the Mozilla Public |
| michael@0 | 3 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
| michael@0 | 4 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| michael@0 | 5 | |
| michael@0 | 6 | #ifdef GL_PROVIDER_GLX |
| michael@0 | 7 | |
| michael@0 | 8 | #include "X11TextureSourceOGL.h" |
| michael@0 | 9 | #include "mozilla/layers/CompositorOGL.h" |
| michael@0 | 10 | #include "gfxXlibSurface.h" |
| michael@0 | 11 | #include "gfx2DGlue.h" |
| michael@0 | 12 | |
| michael@0 | 13 | using namespace mozilla; |
| michael@0 | 14 | using namespace mozilla::layers; |
| michael@0 | 15 | using namespace mozilla::gfx; |
| michael@0 | 16 | |
| michael@0 | 17 | X11TextureSourceOGL::X11TextureSourceOGL(CompositorOGL* aCompositor, gfxXlibSurface* aSurface) |
| michael@0 | 18 | : mCompositor(aCompositor) |
| michael@0 | 19 | , mSurface(aSurface) |
| michael@0 | 20 | , mTexture(0) |
| michael@0 | 21 | { |
| michael@0 | 22 | } |
| michael@0 | 23 | |
| michael@0 | 24 | X11TextureSourceOGL::~X11TextureSourceOGL() |
| michael@0 | 25 | { |
| michael@0 | 26 | DeallocateDeviceData(); |
| michael@0 | 27 | } |
| michael@0 | 28 | |
| michael@0 | 29 | void |
| michael@0 | 30 | X11TextureSourceOGL::DeallocateDeviceData() |
| michael@0 | 31 | { |
| michael@0 | 32 | if (mTexture) { |
| michael@0 | 33 | if (gl() && gl()->MakeCurrent()) { |
| michael@0 | 34 | gl::sGLXLibrary.ReleaseTexImage(mSurface->XDisplay(), mSurface->GetGLXPixmap()); |
| michael@0 | 35 | gl()->fDeleteTextures(1, &mTexture); |
| michael@0 | 36 | mTexture = 0; |
| michael@0 | 37 | } |
| michael@0 | 38 | } |
| michael@0 | 39 | } |
| michael@0 | 40 | |
| michael@0 | 41 | void |
| michael@0 | 42 | X11TextureSourceOGL::BindTexture(GLenum aTextureUnit, gfx::Filter aFilter) |
| michael@0 | 43 | { |
| michael@0 | 44 | gl()->fActiveTexture(aTextureUnit); |
| michael@0 | 45 | |
| michael@0 | 46 | if (!mTexture) { |
| michael@0 | 47 | gl()->fGenTextures(1, &mTexture); |
| michael@0 | 48 | |
| michael@0 | 49 | gl()->fBindTexture(LOCAL_GL_TEXTURE_2D, mTexture); |
| michael@0 | 50 | |
| michael@0 | 51 | gl::sGLXLibrary.BindTexImage(mSurface->XDisplay(), mSurface->GetGLXPixmap()); |
| michael@0 | 52 | } else { |
| michael@0 | 53 | gl()->fBindTexture(LOCAL_GL_TEXTURE_2D, mTexture); |
| michael@0 | 54 | gl::sGLXLibrary.UpdateTexImage(mSurface->XDisplay(), mSurface->GetGLXPixmap()); |
| michael@0 | 55 | } |
| michael@0 | 56 | |
| michael@0 | 57 | ApplyFilterToBoundTexture(gl(), aFilter, LOCAL_GL_TEXTURE_2D); |
| michael@0 | 58 | } |
| michael@0 | 59 | |
| michael@0 | 60 | IntSize |
| michael@0 | 61 | X11TextureSourceOGL::GetSize() const |
| michael@0 | 62 | { |
| michael@0 | 63 | return ToIntSize(mSurface->GetSize()); |
| michael@0 | 64 | } |
| michael@0 | 65 | |
| michael@0 | 66 | SurfaceFormat |
| michael@0 | 67 | X11TextureSourceOGL::GetFormat() const { |
| michael@0 | 68 | gfxContentType type = mSurface->GetContentType(); |
| michael@0 | 69 | return X11TextureSourceOGL::ContentTypeToSurfaceFormat(type); |
| michael@0 | 70 | } |
| michael@0 | 71 | |
| michael@0 | 72 | void |
| michael@0 | 73 | X11TextureSourceOGL::SetCompositor(Compositor* aCompositor) |
| michael@0 | 74 | { |
| michael@0 | 75 | MOZ_ASSERT(!aCompositor || aCompositor->GetBackendType() == LayersBackend::LAYERS_OPENGL); |
| michael@0 | 76 | if (mCompositor == aCompositor) { |
| michael@0 | 77 | return; |
| michael@0 | 78 | } |
| michael@0 | 79 | DeallocateDeviceData(); |
| michael@0 | 80 | mCompositor = static_cast<CompositorOGL*>(aCompositor); |
| michael@0 | 81 | } |
| michael@0 | 82 | |
| michael@0 | 83 | gl::GLContext* |
| michael@0 | 84 | X11TextureSourceOGL::gl() const |
| michael@0 | 85 | { |
| michael@0 | 86 | return mCompositor ? mCompositor->gl() : nullptr; |
| michael@0 | 87 | } |
| michael@0 | 88 | |
| michael@0 | 89 | SurfaceFormat |
| michael@0 | 90 | X11TextureSourceOGL::ContentTypeToSurfaceFormat(gfxContentType aType) |
| michael@0 | 91 | { |
| michael@0 | 92 | // X11 uses a switched format and the OGL compositor |
| michael@0 | 93 | // doesn't support ALPHA / A8. |
| michael@0 | 94 | switch (aType) { |
| michael@0 | 95 | case gfxContentType::COLOR: |
| michael@0 | 96 | return SurfaceFormat::R8G8B8X8; |
| michael@0 | 97 | case gfxContentType::COLOR_ALPHA: |
| michael@0 | 98 | return SurfaceFormat::R8G8B8A8; |
| michael@0 | 99 | default: |
| michael@0 | 100 | return SurfaceFormat::UNKNOWN; |
| michael@0 | 101 | } |
| michael@0 | 102 | } |
| michael@0 | 103 | |
| michael@0 | 104 | #endif |
