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comparison: gfx/layers/opengl/MacIOSurfaceTextureHostOGL.cpp
gfx/layers/opengl/MacIOSurfaceTextureHostOGL.cpp
- branch
- TOR_BUG_3246
- changeset 7
- 129ffea94266
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| -1:000000000000 | 0:926856dc73e7 |
|---|---|
| 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 #include "MacIOSurfaceTextureHostOGL.h" | |
| 7 #include "mozilla/gfx/MacIOSurface.h" | |
| 8 #include "mozilla/layers/CompositorOGL.h" | |
| 9 #include "GLContextCGL.h" | |
| 10 | |
| 11 namespace mozilla { | |
| 12 namespace layers { | |
| 13 | |
| 14 MacIOSurfaceTextureHostOGL::MacIOSurfaceTextureHostOGL(TextureFlags aFlags, | |
| 15 const SurfaceDescriptorMacIOSurface& aDescriptor) | |
| 16 : TextureHost(aFlags) | |
| 17 { | |
| 18 mSurface = MacIOSurface::LookupSurface(aDescriptor.surface(), | |
| 19 aDescriptor.scaleFactor(), | |
| 20 aDescriptor.hasAlpha()); | |
| 21 } | |
| 22 | |
| 23 bool | |
| 24 MacIOSurfaceTextureHostOGL::Lock() | |
| 25 { | |
| 26 if (!mCompositor || !mSurface) { | |
| 27 return false; | |
| 28 } | |
| 29 | |
| 30 if (!mTextureSource) { | |
| 31 mTextureSource = new MacIOSurfaceTextureSourceOGL(mCompositor, mSurface); | |
| 32 } | |
| 33 return true; | |
| 34 } | |
| 35 | |
| 36 void | |
| 37 MacIOSurfaceTextureHostOGL::SetCompositor(Compositor* aCompositor) | |
| 38 { | |
| 39 CompositorOGL* glCompositor = static_cast<CompositorOGL*>(aCompositor); | |
| 40 mCompositor = glCompositor; | |
| 41 if (mTextureSource) { | |
| 42 mTextureSource->SetCompositor(glCompositor); | |
| 43 } | |
| 44 } | |
| 45 | |
| 46 gfx::SurfaceFormat | |
| 47 MacIOSurfaceTextureHostOGL::GetFormat() const { | |
| 48 if (!mSurface) { | |
| 49 return gfx::SurfaceFormat::UNKNOWN; | |
| 50 } | |
| 51 return mSurface->HasAlpha() ? gfx::SurfaceFormat::R8G8B8A8 : gfx::SurfaceFormat::B8G8R8X8; | |
| 52 } | |
| 53 | |
| 54 gfx::IntSize | |
| 55 MacIOSurfaceTextureHostOGL::GetSize() const { | |
| 56 if (!mSurface) { | |
| 57 return gfx::IntSize(); | |
| 58 } | |
| 59 return gfx::IntSize(mSurface->GetDevicePixelWidth(), | |
| 60 mSurface->GetDevicePixelHeight()); | |
| 61 } | |
| 62 | |
| 63 MacIOSurfaceTextureSourceOGL::MacIOSurfaceTextureSourceOGL( | |
| 64 CompositorOGL* aCompositor, | |
| 65 MacIOSurface* aSurface) | |
| 66 : mCompositor(aCompositor) | |
| 67 , mSurface(aSurface) | |
| 68 {} | |
| 69 | |
| 70 MacIOSurfaceTextureSourceOGL::~MacIOSurfaceTextureSourceOGL() | |
| 71 {} | |
| 72 | |
| 73 gfx::IntSize | |
| 74 MacIOSurfaceTextureSourceOGL::GetSize() const | |
| 75 { | |
| 76 return gfx::IntSize(mSurface->GetDevicePixelWidth(), | |
| 77 mSurface->GetDevicePixelHeight()); | |
| 78 } | |
| 79 | |
| 80 gfx::SurfaceFormat | |
| 81 MacIOSurfaceTextureSourceOGL::GetFormat() const | |
| 82 { | |
| 83 return mSurface->HasAlpha() ? gfx::SurfaceFormat::R8G8B8A8 : gfx::SurfaceFormat::B8G8R8X8; | |
| 84 } | |
| 85 | |
| 86 void | |
| 87 MacIOSurfaceTextureSourceOGL::BindTexture(GLenum aTextureUnit, gfx::Filter aFilter) | |
| 88 { | |
| 89 if (!gl()) { | |
| 90 NS_WARNING("Trying to bind a texture without a GLContext"); | |
| 91 return; | |
| 92 } | |
| 93 GLuint tex = mCompositor->GetTemporaryTexture(GetTextureTarget(), aTextureUnit); | |
| 94 | |
| 95 gl()->fActiveTexture(aTextureUnit); | |
| 96 gl()->fBindTexture(LOCAL_GL_TEXTURE_RECTANGLE_ARB, tex); | |
| 97 mSurface->CGLTexImageIOSurface2D(gl::GLContextCGL::Cast(gl())->GetCGLContext()); | |
| 98 ApplyFilterToBoundTexture(gl(), aFilter, LOCAL_GL_TEXTURE_RECTANGLE_ARB); | |
| 99 } | |
| 100 | |
| 101 void | |
| 102 MacIOSurfaceTextureSourceOGL::SetCompositor(Compositor* aCompositor) | |
| 103 { | |
| 104 mCompositor = static_cast<CompositorOGL*>(aCompositor); | |
| 105 } | |
| 106 | |
| 107 gl::GLContext* | |
| 108 MacIOSurfaceTextureSourceOGL::gl() const | |
| 109 { | |
| 110 return mCompositor ? mCompositor->gl() : nullptr; | |
| 111 } | |
| 112 | |
| 113 } | |
| 114 } |
