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// Copyright 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ui/gfx/mac/io_surface.h"
#include <stddef.h>
#include <stdint.h>
#include "base/logging.h"
#include "base/mac/mac_util.h"
#include "base/mac/mach_logging.h"
#include "base/macros.h"
#include "base/metrics/histogram_macros.h"
#include "base/trace_event/trace_event.h"
#include "ui/gfx/buffer_format_util.h"
namespace gfx {
namespace {
void AddIntegerValue(CFMutableDictionaryRef dictionary,
const CFStringRef key,
int32_t value) {
base::ScopedCFTypeRef<CFNumberRef> number(
CFNumberCreate(NULL, kCFNumberSInt32Type, &value));
CFDictionaryAddValue(dictionary, key, number.get());
}
int32_t BytesPerElement(gfx::BufferFormat format, int plane) {
switch (format) {
case gfx::BufferFormat::R_8:
DCHECK_EQ(plane, 0);
return 1;
case gfx::BufferFormat::BGRA_8888:
case gfx::BufferFormat::BGRX_8888:
case gfx::BufferFormat::RGBA_8888:
DCHECK_EQ(plane, 0);
return 4;
case gfx::BufferFormat::YUV_420_BIPLANAR:
static int32_t bytes_per_element[] = {1, 2};
DCHECK_LT(static_cast<size_t>(plane), arraysize(bytes_per_element));
return bytes_per_element[plane];
case gfx::BufferFormat::RG_88:
case gfx::BufferFormat::UYVY_422:
DCHECK_EQ(plane, 0);
return 2;
case gfx::BufferFormat::ATC:
case gfx::BufferFormat::ATCIA:
case gfx::BufferFormat::DXT1:
case gfx::BufferFormat::DXT5:
case gfx::BufferFormat::ETC1:
case gfx::BufferFormat::BGR_565:
case gfx::BufferFormat::RGBA_4444:
case gfx::BufferFormat::RGBX_8888:
case gfx::BufferFormat::YVU_420:
NOTREACHED();
return 0;
}
NOTREACHED();
return 0;
}
int32_t PixelFormat(gfx::BufferFormat format) {
switch (format) {
case gfx::BufferFormat::R_8:
return 'L008';
case gfx::BufferFormat::BGRA_8888:
case gfx::BufferFormat::BGRX_8888:
case gfx::BufferFormat::RGBA_8888:
return 'BGRA';
case gfx::BufferFormat::YUV_420_BIPLANAR:
return '420v';
case gfx::BufferFormat::UYVY_422:
return '2vuy';
case gfx::BufferFormat::RG_88:
case gfx::BufferFormat::ATC:
case gfx::BufferFormat::ATCIA:
case gfx::BufferFormat::DXT1:
case gfx::BufferFormat::DXT5:
case gfx::BufferFormat::ETC1:
case gfx::BufferFormat::BGR_565:
case gfx::BufferFormat::RGBA_4444:
case gfx::BufferFormat::RGBX_8888:
case gfx::BufferFormat::YVU_420:
NOTREACHED();
return 0;
}
NOTREACHED();
return 0;
}
} // namespace
namespace internal {
// static
mach_port_t IOSurfaceMachPortTraits::Retain(mach_port_t port) {
kern_return_t kr =
mach_port_mod_refs(mach_task_self(), port, MACH_PORT_RIGHT_SEND, 1);
MACH_LOG_IF(ERROR, kr != KERN_SUCCESS, kr)
<< "IOSurfaceMachPortTraits::Retain mach_port_mod_refs";
return port;
}
// static
void IOSurfaceMachPortTraits::Release(mach_port_t port) {
kern_return_t kr =
mach_port_mod_refs(mach_task_self(), port, MACH_PORT_RIGHT_SEND, -1);
MACH_LOG_IF(ERROR, kr != KERN_SUCCESS, kr)
<< "IOSurfaceMachPortTraits::Release mach_port_mod_refs";
}
} // namespace internal
IOSurfaceRef CreateIOSurface(const gfx::Size& size, gfx::BufferFormat format) {
TRACE_EVENT0("ui", "CreateIOSurface");
base::TimeTicks start_time = base::TimeTicks::Now();
size_t num_planes = gfx::NumberOfPlanesForBufferFormat(format);
base::ScopedCFTypeRef<CFMutableArrayRef> planes(CFArrayCreateMutable(
kCFAllocatorDefault, num_planes, &kCFTypeArrayCallBacks));
// Don't specify plane information unless there are indeed multiple planes
// because DisplayLink drivers do not support this.
// http://crbug.com/527556
if (num_planes > 1) {
for (size_t plane = 0; plane < num_planes; ++plane) {
size_t factor = gfx::SubsamplingFactorForBufferFormat(format, plane);
base::ScopedCFTypeRef<CFMutableDictionaryRef> plane_info(
CFDictionaryCreateMutable(kCFAllocatorDefault, 0,
&kCFTypeDictionaryKeyCallBacks,
&kCFTypeDictionaryValueCallBacks));
AddIntegerValue(plane_info, kIOSurfacePlaneWidth, size.width() / factor);
AddIntegerValue(plane_info, kIOSurfacePlaneHeight,
size.height() / factor);
AddIntegerValue(plane_info, kIOSurfacePlaneBytesPerElement,
BytesPerElement(format, plane));
CFArrayAppendValue(planes, plane_info);
}
}
base::ScopedCFTypeRef<CFMutableDictionaryRef> properties(
CFDictionaryCreateMutable(kCFAllocatorDefault, 0,
&kCFTypeDictionaryKeyCallBacks,
&kCFTypeDictionaryValueCallBacks));
AddIntegerValue(properties, kIOSurfaceWidth, size.width());
AddIntegerValue(properties, kIOSurfaceHeight, size.height());
AddIntegerValue(properties, kIOSurfacePixelFormat, PixelFormat(format));
if (num_planes > 1) {
CFDictionaryAddValue(properties, kIOSurfacePlaneInfo, planes);
} else {
AddIntegerValue(properties, kIOSurfaceBytesPerElement,
BytesPerElement(format, 0));
}
IOSurfaceRef surface = IOSurfaceCreate(properties);
// For unknown reasons, triggering this lock on OS X 10.9, on certain GPUs,
// causes PDFs to render incorrectly. Hopefully this check can be removed once
// pdfium switches to a Skia backend on Mac.
// https://crbug.com/594343.
// IOSurface clearing causes significant performance regression on about half
// of all devices running Yosemite. https://crbug.com/606850#c22.
bool should_clear = !base::mac::IsOS10_9() && !base::mac::IsOS10_10();
if (should_clear) {
// Zero-initialize the IOSurface. Calling IOSurfaceLock/IOSurfaceUnlock
// appears to be sufficient. https://crbug.com/584760#c17
IOReturn r = IOSurfaceLock(surface, 0, nullptr);
DCHECK_EQ(kIOReturnSuccess, r);
r = IOSurfaceUnlock(surface, 0, nullptr);
DCHECK_EQ(kIOReturnSuccess, r);
}
bool force_system_color_space = false;
// Displaying an IOSurface that does not have a color space using an
// AVSampleBufferDisplayLayer can result in a black screen. Specify the
// main display's color profile by default, which will result in no color
// correction being done for the main monitor (which is the behavior of not
// specifying a color space).
// https://crbug.com/608879
if (format == gfx::BufferFormat::YUV_420_BIPLANAR)
force_system_color_space = true;
// On Sierra, all IOSurfaces are color corrected as though they are in sRGB
// color space by default. Prior to Sierra, IOSurfaces were not color
// corrected (they were treated as though they were in the display color
// space). Override this by defaulting IOSurfaces to be in the main display
// color space.
// https://crbug.com/654488
if (base::mac::IsAtLeastOS10_12())
force_system_color_space = true;
if (force_system_color_space) {
CGColorSpaceRef color_space = base::mac::GetSystemColorSpace();
base::ScopedCFTypeRef<CFDataRef> color_space_icc(
CGColorSpaceCopyICCProfile(color_space));
// Note that nullptr is an acceptable input to IOSurfaceSetValue.
IOSurfaceSetValue(surface, CFSTR("IOSurfaceColorSpace"), color_space_icc);
}
UMA_HISTOGRAM_TIMES("GPU.IOSurface.CreateTime",
base::TimeTicks::Now() - start_time);
return surface;
}
} // namespace gfx
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