gecko-dev/gfx/layers/opengl/TextureClientOGL.cpp
Benoit Jacob dd9a0850b3 Bug 987311 - 2/6 - Make TextureFlags a typed enum, auto regex changes - r=nical
find gfx/layers -type f | xargs sed -i 's/\(^\|[^A-Za-z0-9_]\)TEXTURE_\(USE_NEAREST_FILTER\|NEEDS_Y_FLIP\|DISALLOW_BIGIMAGE\|ALLOW_REPEAT\|NEW_TILE\|COMPONENT_ALPHA\|RB_SWAPPED\|FRONT\|ON_WHITE\|ON_BLACK\|TILE\|RECYCLE\|COPY_PREVIOUS\|DEALLOCATE_CLIENT\|IMMUTABLE\|IMMEDIATE_UPLOAD\|DOUBLE_BUFFERED\|ALLOC_FALLBACK\)\($\|[^A-Za-z0-9_]\)/\1TextureFlags::\2\3/g'
find gfx/layers -type f | xargs sed -i 's/TEXTURE_FLAGS_DEFAULT/TextureFlags::DEFAULT/g'
2014-04-25 22:34:05 -04:00

145 lines
3.0 KiB
C++

/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* 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 "GLContext.h" // for GLContext, etc
#include "SurfaceStream.h"
#include "mozilla/Assertions.h" // for MOZ_ASSERT, etc
#include "mozilla/layers/ISurfaceAllocator.h"
#include "mozilla/layers/TextureClientOGL.h"
#include "nsSize.h" // for nsIntSize
using namespace mozilla::gl;
namespace mozilla {
namespace layers {
class CompositableForwarder;
SharedTextureClientOGL::SharedTextureClientOGL(TextureFlags aFlags)
: TextureClient(aFlags)
, mHandle(0)
, mInverted(false)
{
// SharedTextureClient is always owned externally.
mFlags |= TextureFlags::DEALLOCATE_CLIENT;
}
SharedTextureClientOGL::~SharedTextureClientOGL()
{
// the shared data is owned externally.
}
bool
SharedTextureClientOGL::ToSurfaceDescriptor(SurfaceDescriptor& aOutDescriptor)
{
MOZ_ASSERT(IsValid());
if (!IsAllocated()) {
return false;
}
aOutDescriptor = SharedTextureDescriptor(mShareType, mHandle, mSize, mInverted);
return true;
}
void
SharedTextureClientOGL::InitWith(gl::SharedTextureHandle aHandle,
gfx::IntSize aSize,
gl::SharedTextureShareType aShareType,
bool aInverted)
{
MOZ_ASSERT(IsValid());
MOZ_ASSERT(!IsAllocated());
mHandle = aHandle;
mSize = aSize;
mShareType = aShareType;
mInverted = aInverted;
if (mInverted) {
AddFlags(TextureFlags::NEEDS_Y_FLIP);
}
}
bool
SharedTextureClientOGL::Lock(OpenMode mode)
{
MOZ_ASSERT(!mIsLocked);
if (!IsValid() || !IsAllocated()) {
return false;
}
mIsLocked = true;
return true;
}
void
SharedTextureClientOGL::Unlock()
{
MOZ_ASSERT(mIsLocked);
mIsLocked = false;
}
bool
SharedTextureClientOGL::IsAllocated() const
{
return mHandle != 0;
}
StreamTextureClientOGL::StreamTextureClientOGL(TextureFlags aFlags)
: TextureClient(aFlags)
, mIsLocked(false)
{
}
StreamTextureClientOGL::~StreamTextureClientOGL()
{
// the data is owned externally.
}
bool
StreamTextureClientOGL::Lock(OpenMode mode)
{
MOZ_ASSERT(!mIsLocked);
if (!IsValid() || !IsAllocated()) {
return false;
}
mIsLocked = true;
return true;
}
void
StreamTextureClientOGL::Unlock()
{
MOZ_ASSERT(mIsLocked);
mIsLocked = false;
}
bool
StreamTextureClientOGL::ToSurfaceDescriptor(SurfaceDescriptor& aOutDescriptor)
{
if (!IsAllocated()) {
return false;
}
gfx::SurfaceStreamHandle handle = mStream->GetShareHandle();
aOutDescriptor = SurfaceStreamDescriptor(handle, false);
return true;
}
void
StreamTextureClientOGL::InitWith(gfx::SurfaceStream* aStream)
{
MOZ_ASSERT(!IsAllocated());
mStream = aStream;
mGL = mStream->GLContext();
}
bool
StreamTextureClientOGL::IsAllocated() const
{
return mStream != 0;
}
} // namespace
} // namespace