1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
|
// Copyright 2013 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 "gpu/ipc/client/gpu_memory_buffer_impl_io_surface.h"
#include "base/bind.h"
#include "base/logging.h"
#include "base/memory/ptr_util.h"
#include "gpu/ipc/common/gpu_memory_buffer_support.h"
#include "ui/gfx/buffer_format_util.h"
#include "ui/gfx/icc_profile.h"
#include "ui/gfx/mac/io_surface.h"
namespace gpu {
namespace {
uint32_t LockFlags(gfx::BufferUsage usage) {
switch (usage) {
case gfx::BufferUsage::GPU_READ_CPU_READ_WRITE:
return kIOSurfaceLockAvoidSync;
case gfx::BufferUsage::GPU_READ:
case gfx::BufferUsage::SCANOUT:
case gfx::BufferUsage::SCANOUT_CAMERA_READ_WRITE:
case gfx::BufferUsage::SCANOUT_CPU_READ_WRITE:
case gfx::BufferUsage::SCANOUT_VDA_WRITE:
case gfx::BufferUsage::GPU_READ_CPU_READ_WRITE_PERSISTENT:
return 0;
}
NOTREACHED();
return 0;
}
void NoOp() {}
} // namespace
GpuMemoryBufferImplIOSurface::GpuMemoryBufferImplIOSurface(
gfx::GpuMemoryBufferId id,
const gfx::Size& size,
gfx::BufferFormat format,
const DestructionCallback& callback,
IOSurfaceRef io_surface,
uint32_t lock_flags)
: GpuMemoryBufferImpl(id, size, format, callback),
io_surface_(io_surface),
lock_flags_(lock_flags) {}
GpuMemoryBufferImplIOSurface::~GpuMemoryBufferImplIOSurface() {}
// static
std::unique_ptr<GpuMemoryBufferImplIOSurface>
GpuMemoryBufferImplIOSurface::CreateFromHandle(
const gfx::GpuMemoryBufferHandle& handle,
const gfx::Size& size,
gfx::BufferFormat format,
gfx::BufferUsage usage,
const DestructionCallback& callback) {
base::ScopedCFTypeRef<IOSurfaceRef> io_surface(
IOSurfaceLookupFromMachPort(handle.mach_port.get()));
if (!io_surface)
return nullptr;
return base::WrapUnique(
new GpuMemoryBufferImplIOSurface(handle.id, size, format, callback,
io_surface.release(), LockFlags(usage)));
}
// static
bool GpuMemoryBufferImplIOSurface::IsConfigurationSupported(
gfx::BufferFormat format,
gfx::BufferUsage usage) {
return gpu::IsNativeGpuMemoryBufferConfigurationSupported(format, usage);
}
// static
base::Closure GpuMemoryBufferImplIOSurface::AllocateForTesting(
const gfx::Size& size,
gfx::BufferFormat format,
gfx::BufferUsage usage,
gfx::GpuMemoryBufferHandle* handle) {
base::ScopedCFTypeRef<IOSurfaceRef> io_surface(
gfx::CreateIOSurface(size, format));
DCHECK(io_surface);
gfx::GpuMemoryBufferId kBufferId(1);
handle->type = gfx::IO_SURFACE_BUFFER;
handle->id = kBufferId;
handle->mach_port.reset(IOSurfaceCreateMachPort(io_surface));
return base::Bind(&NoOp);
}
bool GpuMemoryBufferImplIOSurface::Map() {
DCHECK(!mapped_);
IOReturn status = IOSurfaceLock(io_surface_, lock_flags_, NULL);
DCHECK_NE(status, kIOReturnCannotLock);
mapped_ = true;
return true;
}
void* GpuMemoryBufferImplIOSurface::memory(size_t plane) {
DCHECK(mapped_);
DCHECK_LT(plane, gfx::NumberOfPlanesForBufferFormat(format_));
return IOSurfaceGetBaseAddressOfPlane(io_surface_, plane);
}
void GpuMemoryBufferImplIOSurface::Unmap() {
DCHECK(mapped_);
IOSurfaceUnlock(io_surface_, lock_flags_, NULL);
mapped_ = false;
}
int GpuMemoryBufferImplIOSurface::stride(size_t plane) const {
DCHECK_LT(plane, gfx::NumberOfPlanesForBufferFormat(format_));
return IOSurfaceGetBytesPerRowOfPlane(io_surface_, plane);
}
void GpuMemoryBufferImplIOSurface::SetColorSpaceForScanout(
const gfx::ColorSpace& color_space) {
if (color_space == color_space_)
return;
color_space_ = color_space;
// Retrieve the ICC profile data.
std::vector<char> icc_profile_data;
if (!color_space_.GetAsFullRangeRGB().GetICCProfileData(&icc_profile_data)) {
DLOG(ERROR) << "Failed to set color space for scanout: no ICC profile.";
return;
}
// Package it as a CFDataRef and send it to the IOSurface.
base::ScopedCFTypeRef<CFDataRef> cf_data_icc_profile(CFDataCreate(
nullptr, reinterpret_cast<const UInt8*>(icc_profile_data.data()),
icc_profile_data.size()));
IOSurfaceSetValue(io_surface_, CFSTR("IOSurfaceColorSpace"),
cf_data_icc_profile);
}
gfx::GpuMemoryBufferHandle GpuMemoryBufferImplIOSurface::GetHandle() const {
gfx::GpuMemoryBufferHandle handle;
handle.type = gfx::IO_SURFACE_BUFFER;
handle.id = id_;
return handle;
}
} // namespace gpu
|
