gecko-dev/gfx/layers/opengl/MacIOSurfaceTextureHostOGL.cpp
Sylvestre Ledru 265e672179 Bug 1511181 - Reformat everything to the Google coding style r=ehsan a=clang-format
# ignore-this-changeset

--HG--
extra : amend_source : 4d301d3b0b8711c4692392aa76088ba7fd7d1022
2018-11-30 11:46:48 +01:00

242 lines
8.7 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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/. */
#include "MacIOSurfaceTextureHostOGL.h"
#include "mozilla/gfx/MacIOSurface.h"
#include "mozilla/webrender/RenderMacIOSurfaceTextureHostOGL.h"
#include "mozilla/webrender/RenderThread.h"
#include "mozilla/webrender/WebRenderAPI.h"
#include "GLContextCGL.h"
namespace mozilla {
namespace layers {
MacIOSurfaceTextureHostOGL::MacIOSurfaceTextureHostOGL(
TextureFlags aFlags, const SurfaceDescriptorMacIOSurface& aDescriptor)
: TextureHost(aFlags) {
MOZ_COUNT_CTOR(MacIOSurfaceTextureHostOGL);
mSurface = MacIOSurface::LookupSurface(aDescriptor.surfaceId(),
aDescriptor.scaleFactor(),
!aDescriptor.isOpaque());
}
MacIOSurfaceTextureHostOGL::~MacIOSurfaceTextureHostOGL() {
MOZ_COUNT_DTOR(MacIOSurfaceTextureHostOGL);
}
GLTextureSource* MacIOSurfaceTextureHostOGL::CreateTextureSourceForPlane(
size_t aPlane) {
MOZ_ASSERT(mSurface);
GLuint textureHandle;
gl::GLContext* gl = mProvider->GetGLContext();
gl->fGenTextures(1, &textureHandle);
gl->fBindTexture(LOCAL_GL_TEXTURE_RECTANGLE_ARB, textureHandle);
gl->fTexParameteri(LOCAL_GL_TEXTURE_RECTANGLE_ARB, LOCAL_GL_TEXTURE_WRAP_T,
LOCAL_GL_CLAMP_TO_EDGE);
gl->fTexParameteri(LOCAL_GL_TEXTURE_RECTANGLE_ARB, LOCAL_GL_TEXTURE_WRAP_S,
LOCAL_GL_CLAMP_TO_EDGE);
gfx::SurfaceFormat readFormat = gfx::SurfaceFormat::UNKNOWN;
mSurface->CGLTexImageIOSurface2D(
gl, gl::GLContextCGL::Cast(gl)->GetCGLContext(), aPlane, &readFormat);
// With compositorOGL, we doesn't support the yuv interleaving format yet.
MOZ_ASSERT(readFormat != gfx::SurfaceFormat::YUV422);
return new GLTextureSource(
mProvider, textureHandle, LOCAL_GL_TEXTURE_RECTANGLE_ARB,
gfx::IntSize(mSurface->GetDevicePixelWidth(aPlane),
mSurface->GetDevicePixelHeight(aPlane)),
// XXX: This isn't really correct (but isn't used), we should be using the
// format of the individual plane, not of the whole buffer.
mSurface->GetFormat());
}
bool MacIOSurfaceTextureHostOGL::Lock() {
if (!gl() || !gl()->MakeCurrent() || !mSurface) {
return false;
}
if (!mTextureSource) {
mTextureSource = CreateTextureSourceForPlane(0);
RefPtr<TextureSource> prev = mTextureSource;
for (size_t i = 1; i < mSurface->GetPlaneCount(); i++) {
RefPtr<TextureSource> next = CreateTextureSourceForPlane(i);
prev->SetNextSibling(next);
prev = next;
}
}
return true;
}
void MacIOSurfaceTextureHostOGL::SetTextureSourceProvider(
TextureSourceProvider* aProvider) {
if (!aProvider || !aProvider->GetGLContext()) {
mTextureSource = nullptr;
mProvider = nullptr;
return;
}
if (mProvider != aProvider) {
// Cannot share GL texture identifiers across compositors.
mTextureSource = nullptr;
}
mProvider = aProvider;
}
gfx::SurfaceFormat MacIOSurfaceTextureHostOGL::GetFormat() const {
if (!mSurface) {
return gfx::SurfaceFormat::UNKNOWN;
}
return mSurface->GetFormat();
}
gfx::SurfaceFormat MacIOSurfaceTextureHostOGL::GetReadFormat() const {
if (!mSurface) {
return gfx::SurfaceFormat::UNKNOWN;
}
return mSurface->GetReadFormat();
}
gfx::IntSize MacIOSurfaceTextureHostOGL::GetSize() const {
if (!mSurface) {
return gfx::IntSize();
}
return gfx::IntSize(mSurface->GetDevicePixelWidth(),
mSurface->GetDevicePixelHeight());
}
gl::GLContext* MacIOSurfaceTextureHostOGL::gl() const {
return mProvider ? mProvider->GetGLContext() : nullptr;
}
void MacIOSurfaceTextureHostOGL::CreateRenderTexture(
const wr::ExternalImageId& aExternalImageId) {
RefPtr<wr::RenderTextureHost> texture =
new wr::RenderMacIOSurfaceTextureHostOGL(GetMacIOSurface());
wr::RenderThread::Get()->RegisterExternalImage(wr::AsUint64(aExternalImageId),
texture.forget());
}
uint32_t MacIOSurfaceTextureHostOGL::NumSubTextures() const {
switch (GetFormat()) {
case gfx::SurfaceFormat::R8G8B8X8:
case gfx::SurfaceFormat::R8G8B8A8:
case gfx::SurfaceFormat::B8G8R8A8:
case gfx::SurfaceFormat::B8G8R8X8:
case gfx::SurfaceFormat::YUV422: {
return 1;
}
case gfx::SurfaceFormat::NV12: {
return 2;
}
default: {
MOZ_ASSERT_UNREACHABLE("unexpected format");
return 1;
}
}
}
void MacIOSurfaceTextureHostOGL::PushResourceUpdates(
wr::TransactionBuilder& aResources, ResourceUpdateOp aOp,
const Range<wr::ImageKey>& aImageKeys, const wr::ExternalImageId& aExtID) {
MOZ_ASSERT(mSurface);
auto method = aOp == TextureHost::ADD_IMAGE
? &wr::TransactionBuilder::AddExternalImage
: &wr::TransactionBuilder::UpdateExternalImage;
auto bufferType = wr::WrExternalImageBufferType::TextureRectHandle;
switch (GetFormat()) {
case gfx::SurfaceFormat::R8G8B8X8:
case gfx::SurfaceFormat::R8G8B8A8: {
MOZ_ASSERT(aImageKeys.length() == 1);
MOZ_ASSERT(mSurface->GetPlaneCount() == 0);
// The internal pixel format of MacIOSurface is always BGRX or BGRA
// format.
auto format = GetFormat() == gfx::SurfaceFormat::R8G8B8A8
? gfx::SurfaceFormat::B8G8R8A8
: gfx::SurfaceFormat::B8G8R8X8;
wr::ImageDescriptor descriptor(GetSize(), format);
(aResources.*method)(aImageKeys[0], descriptor, aExtID, bufferType, 0);
break;
}
case gfx::SurfaceFormat::YUV422: {
// This is the special buffer format. The buffer contents could be a
// converted RGB interleaving data or a YCbCr interleaving data depending
// on the different platform setting. (e.g. It will be RGB at OpenGL 2.1
// and YCbCr at OpenGL 3.1)
MOZ_ASSERT(aImageKeys.length() == 1);
MOZ_ASSERT(mSurface->GetPlaneCount() == 0);
wr::ImageDescriptor descriptor(GetSize(), gfx::SurfaceFormat::B8G8R8X8);
(aResources.*method)(aImageKeys[0], descriptor, aExtID, bufferType, 0);
break;
}
case gfx::SurfaceFormat::NV12: {
MOZ_ASSERT(aImageKeys.length() == 2);
MOZ_ASSERT(mSurface->GetPlaneCount() == 2);
wr::ImageDescriptor descriptor0(
gfx::IntSize(mSurface->GetDevicePixelWidth(0),
mSurface->GetDevicePixelHeight(0)),
gfx::SurfaceFormat::A8);
wr::ImageDescriptor descriptor1(
gfx::IntSize(mSurface->GetDevicePixelWidth(1),
mSurface->GetDevicePixelHeight(1)),
gfx::SurfaceFormat::R8G8);
(aResources.*method)(aImageKeys[0], descriptor0, aExtID, bufferType, 0);
(aResources.*method)(aImageKeys[1], descriptor1, aExtID, bufferType, 1);
break;
}
default: { MOZ_ASSERT_UNREACHABLE("unexpected to be called"); }
}
}
void MacIOSurfaceTextureHostOGL::PushDisplayItems(
wr::DisplayListBuilder& aBuilder, const wr::LayoutRect& aBounds,
const wr::LayoutRect& aClip, wr::ImageRendering aFilter,
const Range<wr::ImageKey>& aImageKeys) {
switch (GetFormat()) {
case gfx::SurfaceFormat::R8G8B8X8:
case gfx::SurfaceFormat::R8G8B8A8:
case gfx::SurfaceFormat::B8G8R8A8:
case gfx::SurfaceFormat::B8G8R8X8: {
MOZ_ASSERT(aImageKeys.length() == 1);
MOZ_ASSERT(mSurface->GetPlaneCount() == 0);
aBuilder.PushImage(aBounds, aClip, true, aFilter, aImageKeys[0],
!(mFlags & TextureFlags::NON_PREMULTIPLIED));
break;
}
case gfx::SurfaceFormat::YUV422: {
MOZ_ASSERT(aImageKeys.length() == 1);
MOZ_ASSERT(mSurface->GetPlaneCount() == 0);
// Those images can only be generated at present by the Apple H264 decoder
// which only supports 8 bits color depth.
aBuilder.PushYCbCrInterleavedImage(
aBounds, aClip, true, aImageKeys[0], wr::ColorDepth::Color8,
wr::ToWrYuvColorSpace(YUVColorSpace::BT601), aFilter);
break;
}
case gfx::SurfaceFormat::NV12: {
MOZ_ASSERT(aImageKeys.length() == 2);
MOZ_ASSERT(mSurface->GetPlaneCount() == 2);
// Those images can only be generated at present by the Apple H264 decoder
// which only supports 8 bits color depth.
aBuilder.PushNV12Image(aBounds, aClip, true, aImageKeys[0], aImageKeys[1],
wr::ColorDepth::Color8,
wr::ToWrYuvColorSpace(YUVColorSpace::BT601),
aFilter);
break;
}
default: { MOZ_ASSERT_UNREACHABLE("unexpected to be called"); }
}
}
} // namespace layers
} // namespace mozilla