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| 1 // Copyright 2015 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "ui/gfx/mac/io_surface_manager.h" | |
| 6 | |
| 7 #include <IOSurface/IOSurface.h> | |
| 8 | |
| 9 #include "base/logging.h" | |
| 10 #include "base/mac/scoped_cftyperef.h" | |
| 11 #include "ui/gfx/buffer_format_util.h" | |
| 12 | |
| 13 namespace gfx { | |
| 14 namespace { | |
| 15 | |
| 16 IOSurfaceManager* g_instance = NULL; | |
| 17 | |
| 18 void AddIntegerValue(CFMutableDictionaryRef dictionary, | |
| 19 const CFStringRef key, | |
| 20 int32 value) { | |
| 21 base::ScopedCFTypeRef<CFNumberRef> number( | |
| 22 CFNumberCreate(NULL, kCFNumberSInt32Type, &value)); | |
| 23 CFDictionaryAddValue(dictionary, key, number.get()); | |
| 24 } | |
| 25 | |
| 26 int32 BytesPerElement(gfx::BufferFormat format, int plane) { | |
| 27 switch (format) { | |
| 28 case gfx::BufferFormat::R_8: | |
| 29 DCHECK_EQ(plane, 0); | |
| 30 return 1; | |
| 31 case gfx::BufferFormat::BGRA_8888: | |
| 32 case gfx::BufferFormat::RGBA_8888: | |
| 33 DCHECK_EQ(plane, 0); | |
| 34 return 4; | |
| 35 case gfx::BufferFormat::YUV_420_BIPLANAR: | |
| 36 static int32 bytes_per_element[] = {1, 2}; | |
| 37 DCHECK_LT(static_cast<size_t>(plane), arraysize(bytes_per_element)); | |
| 38 return bytes_per_element[plane]; | |
| 39 case gfx::BufferFormat::UYVY_422: | |
| 40 DCHECK_EQ(plane, 0); | |
| 41 return 2; | |
| 42 case gfx::BufferFormat::ATC: | |
| 43 case gfx::BufferFormat::ATCIA: | |
| 44 case gfx::BufferFormat::DXT1: | |
| 45 case gfx::BufferFormat::DXT5: | |
| 46 case gfx::BufferFormat::ETC1: | |
| 47 case gfx::BufferFormat::RGBA_4444: | |
| 48 case gfx::BufferFormat::RGBX_8888: | |
| 49 case gfx::BufferFormat::BGRX_8888: | |
| 50 case gfx::BufferFormat::YUV_420: | |
| 51 NOTREACHED(); | |
| 52 return 0; | |
| 53 } | |
| 54 | |
| 55 NOTREACHED(); | |
| 56 return 0; | |
| 57 } | |
| 58 | |
| 59 int32 PixelFormat(gfx::BufferFormat format) { | |
| 60 switch (format) { | |
| 61 case gfx::BufferFormat::R_8: | |
| 62 return 'L008'; | |
| 63 case gfx::BufferFormat::BGRA_8888: | |
| 64 case gfx::BufferFormat::RGBA_8888: | |
| 65 return 'BGRA'; | |
| 66 case gfx::BufferFormat::YUV_420_BIPLANAR: | |
| 67 return '420v'; | |
| 68 case gfx::BufferFormat::UYVY_422: | |
| 69 return '2vuy'; | |
| 70 case gfx::BufferFormat::ATC: | |
| 71 case gfx::BufferFormat::ATCIA: | |
| 72 case gfx::BufferFormat::DXT1: | |
| 73 case gfx::BufferFormat::DXT5: | |
| 74 case gfx::BufferFormat::ETC1: | |
| 75 case gfx::BufferFormat::RGBA_4444: | |
| 76 case gfx::BufferFormat::RGBX_8888: | |
| 77 case gfx::BufferFormat::BGRX_8888: | |
| 78 case gfx::BufferFormat::YUV_420: | |
| 79 NOTREACHED(); | |
| 80 return 0; | |
| 81 } | |
| 82 | |
| 83 NOTREACHED(); | |
| 84 return 0; | |
| 85 } | |
| 86 | |
| 87 } // namespace | |
| 88 | |
| 89 // static | |
| 90 IOSurfaceManager* IOSurfaceManager::GetInstance() { | |
| 91 DCHECK(g_instance); | |
| 92 return g_instance; | |
| 93 } | |
| 94 | |
| 95 // static | |
| 96 void IOSurfaceManager::SetInstance(IOSurfaceManager* instance) { | |
| 97 DCHECK(!g_instance || !instance); | |
| 98 g_instance = instance; | |
| 99 } | |
| 100 | |
| 101 // static | |
| 102 IOSurfaceRef IOSurfaceManager::CreateIOSurface(const gfx::Size& size, | |
| 103 gfx::BufferFormat format) { | |
| 104 size_t num_planes = gfx::NumberOfPlanesForBufferFormat(format); | |
| 105 base::ScopedCFTypeRef<CFMutableArrayRef> planes(CFArrayCreateMutable( | |
| 106 kCFAllocatorDefault, num_planes, &kCFTypeArrayCallBacks)); | |
| 107 | |
| 108 // Don't specify plane information unless there are indeed multiple planes | |
| 109 // because DisplayLink drivers do not support this. | |
| 110 // http://crbug.com/527556 | |
| 111 if (num_planes > 1) { | |
| 112 for (size_t plane = 0; plane < num_planes; ++plane) { | |
| 113 size_t factor = gfx::SubsamplingFactorForBufferFormat(format, plane); | |
| 114 | |
| 115 base::ScopedCFTypeRef<CFMutableDictionaryRef> plane_info( | |
| 116 CFDictionaryCreateMutable(kCFAllocatorDefault, 0, | |
| 117 &kCFTypeDictionaryKeyCallBacks, | |
| 118 &kCFTypeDictionaryValueCallBacks)); | |
| 119 AddIntegerValue(plane_info, kIOSurfacePlaneWidth, size.width() / factor); | |
| 120 AddIntegerValue(plane_info, kIOSurfacePlaneHeight, | |
| 121 size.height() / factor); | |
| 122 AddIntegerValue(plane_info, kIOSurfacePlaneBytesPerElement, | |
| 123 BytesPerElement(format, plane)); | |
| 124 | |
| 125 CFArrayAppendValue(planes, plane_info); | |
| 126 } | |
| 127 } | |
| 128 | |
| 129 base::ScopedCFTypeRef<CFMutableDictionaryRef> properties( | |
| 130 CFDictionaryCreateMutable(kCFAllocatorDefault, 0, | |
| 131 &kCFTypeDictionaryKeyCallBacks, | |
| 132 &kCFTypeDictionaryValueCallBacks)); | |
| 133 AddIntegerValue(properties, kIOSurfaceWidth, size.width()); | |
| 134 AddIntegerValue(properties, kIOSurfaceHeight, size.height()); | |
| 135 AddIntegerValue(properties, kIOSurfacePixelFormat, PixelFormat(format)); | |
| 136 if (num_planes > 1) { | |
| 137 CFDictionaryAddValue(properties, kIOSurfacePlaneInfo, planes); | |
| 138 } else { | |
| 139 AddIntegerValue(properties, kIOSurfaceBytesPerElement, | |
| 140 BytesPerElement(format, 0)); | |
| 141 } | |
| 142 | |
| 143 return IOSurfaceCreate(properties); | |
| 144 } | |
| 145 | |
| 146 } // namespace content | |
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Chromium Code Reviews
Issue 1532813002:
Replace IOSurfaceManager by directly passing IOSurface Mach ports over Chrome IPC. (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master