gfx/layers/opengl/MacIOSurfaceTextureHostOGL.cpp@b8a032363ba2 (annotated)
gfx/layers/opengl/MacIOSurfaceTextureHostOGL.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 | #include "MacIOSurfaceTextureHostOGL.h" |
| michael@0 | 7 | #include "mozilla/gfx/MacIOSurface.h" |
| michael@0 | 8 | #include "mozilla/layers/CompositorOGL.h" |
| michael@0 | 9 | #include "GLContextCGL.h" |
| michael@0 | 10 | |
| michael@0 | 11 | namespace mozilla { |
| michael@0 | 12 | namespace layers { |
| michael@0 | 13 | |
| michael@0 | 14 | MacIOSurfaceTextureHostOGL::MacIOSurfaceTextureHostOGL(TextureFlags aFlags, |
| michael@0 | 15 | const SurfaceDescriptorMacIOSurface& aDescriptor) |
| michael@0 | 16 | : TextureHost(aFlags) |
| michael@0 | 17 | { |
| michael@0 | 18 | mSurface = MacIOSurface::LookupSurface(aDescriptor.surface(), |
| michael@0 | 19 | aDescriptor.scaleFactor(), |
| michael@0 | 20 | aDescriptor.hasAlpha()); |
| michael@0 | 21 | } |
| michael@0 | 22 | |
| michael@0 | 23 | bool |
| michael@0 | 24 | MacIOSurfaceTextureHostOGL::Lock() |
| michael@0 | 25 | { |
| michael@0 | 26 | if (!mCompositor || !mSurface) { |
| michael@0 | 27 | return false; |
| michael@0 | 28 | } |
| michael@0 | 29 | |
| michael@0 | 30 | if (!mTextureSource) { |
| michael@0 | 31 | mTextureSource = new MacIOSurfaceTextureSourceOGL(mCompositor, mSurface); |
| michael@0 | 32 | } |
| michael@0 | 33 | return true; |
| michael@0 | 34 | } |
| michael@0 | 35 | |
| michael@0 | 36 | void |
| michael@0 | 37 | MacIOSurfaceTextureHostOGL::SetCompositor(Compositor* aCompositor) |
| michael@0 | 38 | { |
| michael@0 | 39 | CompositorOGL* glCompositor = static_cast<CompositorOGL*>(aCompositor); |
| michael@0 | 40 | mCompositor = glCompositor; |
| michael@0 | 41 | if (mTextureSource) { |
| michael@0 | 42 | mTextureSource->SetCompositor(glCompositor); |
| michael@0 | 43 | } |
| michael@0 | 44 | } |
| michael@0 | 45 | |
| michael@0 | 46 | gfx::SurfaceFormat |
| michael@0 | 47 | MacIOSurfaceTextureHostOGL::GetFormat() const { |
| michael@0 | 48 | if (!mSurface) { |
| michael@0 | 49 | return gfx::SurfaceFormat::UNKNOWN; |
| michael@0 | 50 | } |
| michael@0 | 51 | return mSurface->HasAlpha() ? gfx::SurfaceFormat::R8G8B8A8 : gfx::SurfaceFormat::B8G8R8X8; |
| michael@0 | 52 | } |
| michael@0 | 53 | |
| michael@0 | 54 | gfx::IntSize |
| michael@0 | 55 | MacIOSurfaceTextureHostOGL::GetSize() const { |
| michael@0 | 56 | if (!mSurface) { |
| michael@0 | 57 | return gfx::IntSize(); |
| michael@0 | 58 | } |
| michael@0 | 59 | return gfx::IntSize(mSurface->GetDevicePixelWidth(), |
| michael@0 | 60 | mSurface->GetDevicePixelHeight()); |
| michael@0 | 61 | } |
| michael@0 | 62 | |
| michael@0 | 63 | MacIOSurfaceTextureSourceOGL::MacIOSurfaceTextureSourceOGL( |
| michael@0 | 64 | CompositorOGL* aCompositor, |
| michael@0 | 65 | MacIOSurface* aSurface) |
| michael@0 | 66 | : mCompositor(aCompositor) |
| michael@0 | 67 | , mSurface(aSurface) |
| michael@0 | 68 | {} |
| michael@0 | 69 | |
| michael@0 | 70 | MacIOSurfaceTextureSourceOGL::~MacIOSurfaceTextureSourceOGL() |
| michael@0 | 71 | {} |
| michael@0 | 72 | |
| michael@0 | 73 | gfx::IntSize |
| michael@0 | 74 | MacIOSurfaceTextureSourceOGL::GetSize() const |
| michael@0 | 75 | { |
| michael@0 | 76 | return gfx::IntSize(mSurface->GetDevicePixelWidth(), |
| michael@0 | 77 | mSurface->GetDevicePixelHeight()); |
| michael@0 | 78 | } |
| michael@0 | 79 | |
| michael@0 | 80 | gfx::SurfaceFormat |
| michael@0 | 81 | MacIOSurfaceTextureSourceOGL::GetFormat() const |
| michael@0 | 82 | { |
| michael@0 | 83 | return mSurface->HasAlpha() ? gfx::SurfaceFormat::R8G8B8A8 : gfx::SurfaceFormat::B8G8R8X8; |
| michael@0 | 84 | } |
| michael@0 | 85 | |
| michael@0 | 86 | void |
| michael@0 | 87 | MacIOSurfaceTextureSourceOGL::BindTexture(GLenum aTextureUnit, gfx::Filter aFilter) |
| michael@0 | 88 | { |
| michael@0 | 89 | if (!gl()) { |
| michael@0 | 90 | NS_WARNING("Trying to bind a texture without a GLContext"); |
| michael@0 | 91 | return; |
| michael@0 | 92 | } |
| michael@0 | 93 | GLuint tex = mCompositor->GetTemporaryTexture(GetTextureTarget(), aTextureUnit); |
| michael@0 | 94 | |
| michael@0 | 95 | gl()->fActiveTexture(aTextureUnit); |
| michael@0 | 96 | gl()->fBindTexture(LOCAL_GL_TEXTURE_RECTANGLE_ARB, tex); |
| michael@0 | 97 | mSurface->CGLTexImageIOSurface2D(gl::GLContextCGL::Cast(gl())->GetCGLContext()); |
| michael@0 | 98 | ApplyFilterToBoundTexture(gl(), aFilter, LOCAL_GL_TEXTURE_RECTANGLE_ARB); |
| michael@0 | 99 | } |
| michael@0 | 100 | |
| michael@0 | 101 | void |
| michael@0 | 102 | MacIOSurfaceTextureSourceOGL::SetCompositor(Compositor* aCompositor) |
| michael@0 | 103 | { |
| michael@0 | 104 | mCompositor = static_cast<CompositorOGL*>(aCompositor); |
| michael@0 | 105 | } |
| michael@0 | 106 | |
| michael@0 | 107 | gl::GLContext* |
| michael@0 | 108 | MacIOSurfaceTextureSourceOGL::gl() const |
| michael@0 | 109 | { |
| michael@0 | 110 | return mCompositor ? mCompositor->gl() : nullptr; |
| michael@0 | 111 | } |
| michael@0 | 112 | |
| michael@0 | 113 | } |
| michael@0 | 114 | } |
