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fune/gfx/2d/MacIOSurface.cpp

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/* -*- 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 "MacIOSurface.h"
#include <OpenGL/gl.h>
#include <OpenGL/CGLIOSurface.h>
#include <QuartzCore/QuartzCore.h>
#include "GLConsts.h"
#include "GLContextCGL.h"
#include "gfxMacUtils.h"
#include "nsPrintfCString.h"
#include "mozilla/Assertions.h"
#include "mozilla/RefPtr.h"
#include "mozilla/gfx/Logging.h"
#include "mozilla/StaticPrefs_gfx.h"
using namespace mozilla;
MacIOSurface::MacIOSurface(CFTypeRefPtr<IOSurfaceRef> aIOSurfaceRef,
bool aHasAlpha, gfx::YUVColorSpace aColorSpace)
: mIOSurfaceRef(std::move(aIOSurfaceRef)),
mHasAlpha(aHasAlpha),
mColorSpace(aColorSpace) {
IncrementUseCount();
}
MacIOSurface::~MacIOSurface() {
MOZ_RELEASE_ASSERT(!IsLocked(), "Destroying locked surface");
DecrementUseCount();
}
void AddDictionaryInt(const CFTypeRefPtr<CFMutableDictionaryRef>& aDict,
const void* aType, uint32_t aValue) {
auto cfValue = CFTypeRefPtr<CFNumberRef>::WrapUnderCreateRule(
::CFNumberCreate(nullptr, kCFNumberSInt32Type, &aValue));
::CFDictionaryAddValue(aDict.get(), aType, cfValue.get());
}
void SetSizeProperties(const CFTypeRefPtr<CFMutableDictionaryRef>& aDict,
int aWidth, int aHeight, int aBytesPerPixel) {
AddDictionaryInt(aDict, kIOSurfaceWidth, aWidth);
AddDictionaryInt(aDict, kIOSurfaceHeight, aHeight);
::CFDictionaryAddValue(aDict.get(), kIOSurfaceIsGlobal, kCFBooleanTrue);
AddDictionaryInt(aDict, kIOSurfaceBytesPerElement, aBytesPerPixel);
size_t bytesPerRow =
IOSurfaceAlignProperty(kIOSurfaceBytesPerRow, aWidth * aBytesPerPixel);
AddDictionaryInt(aDict, kIOSurfaceBytesPerRow, bytesPerRow);
// Add a SIMD register worth of extra bytes to the end of the allocation for
// SWGL.
size_t totalBytes =
IOSurfaceAlignProperty(kIOSurfaceAllocSize, aHeight * bytesPerRow + 16);
AddDictionaryInt(aDict, kIOSurfaceAllocSize, totalBytes);
}
/* static */
already_AddRefed<MacIOSurface> MacIOSurface::CreateIOSurface(int aWidth,
int aHeight,
bool aHasAlpha) {
auto props = CFTypeRefPtr<CFMutableDictionaryRef>::WrapUnderCreateRule(
::CFDictionaryCreateMutable(kCFAllocatorDefault, 4,
&kCFTypeDictionaryKeyCallBacks,
&kCFTypeDictionaryValueCallBacks));
if (!props) return nullptr;
MOZ_ASSERT((size_t)aWidth <= GetMaxWidth());
MOZ_ASSERT((size_t)aHeight <= GetMaxHeight());
int32_t bytesPerElem = 4;
SetSizeProperties(props, aWidth, aHeight, bytesPerElem);
AddDictionaryInt(props, kIOSurfacePixelFormat,
(uint32_t)kCVPixelFormatType_32BGRA);
CFTypeRefPtr<IOSurfaceRef> surfaceRef =
CFTypeRefPtr<IOSurfaceRef>::WrapUnderCreateRule(
::IOSurfaceCreate(props.get()));
if (StaticPrefs::gfx_color_management_native_srgb()) {
IOSurfaceSetValue(surfaceRef.get(), CFSTR("IOSurfaceColorSpace"),
kCGColorSpaceSRGB);
}
if (!surfaceRef) {
return nullptr;
}
RefPtr<MacIOSurface> ioSurface =
new MacIOSurface(std::move(surfaceRef), aHasAlpha);
return ioSurface.forget();
}
size_t CreatePlaneDictionary(CFTypeRefPtr<CFMutableDictionaryRef>& aDict,
const gfx::IntSize& aSize, size_t aOffset,
size_t aBytesPerPixel) {
size_t bytesPerRow = IOSurfaceAlignProperty(kIOSurfacePlaneBytesPerRow,
aSize.width * aBytesPerPixel);
// Add a SIMD register worth of extra bytes to the end of the allocation for
// SWGL.
size_t totalBytes = IOSurfaceAlignProperty(kIOSurfacePlaneSize,
aSize.height * bytesPerRow + 16);
aDict = CFTypeRefPtr<CFMutableDictionaryRef>::WrapUnderCreateRule(
::CFDictionaryCreateMutable(kCFAllocatorDefault, 4,
&kCFTypeDictionaryKeyCallBacks,
&kCFTypeDictionaryValueCallBacks));
AddDictionaryInt(aDict, kIOSurfacePlaneWidth, aSize.width);
AddDictionaryInt(aDict, kIOSurfacePlaneHeight, aSize.height);
AddDictionaryInt(aDict, kIOSurfacePlaneBytesPerRow, bytesPerRow);
AddDictionaryInt(aDict, kIOSurfacePlaneOffset, aOffset);
AddDictionaryInt(aDict, kIOSurfacePlaneSize, totalBytes);
AddDictionaryInt(aDict, kIOSurfacePlaneBytesPerElement, aBytesPerPixel);
return totalBytes;
}
/* static */
already_AddRefed<MacIOSurface> MacIOSurface::CreateNV12OrP010Surface(
const IntSize& aYSize, const IntSize& aCbCrSize, YUVColorSpace aColorSpace,
TransferFunction aTransferFunction, ColorRange aColorRange,
ColorDepth aColorDepth) {
MOZ_ASSERT(aColorSpace == YUVColorSpace::BT601 ||
aColorSpace == YUVColorSpace::BT709 ||
aColorSpace == YUVColorSpace::BT2020);
MOZ_ASSERT(aColorRange == ColorRange::LIMITED ||
aColorRange == ColorRange::FULL);
MOZ_ASSERT(aColorDepth == ColorDepth::COLOR_8 ||
aColorDepth == ColorDepth::COLOR_10);
auto props = CFTypeRefPtr<CFMutableDictionaryRef>::WrapUnderCreateRule(
::CFDictionaryCreateMutable(kCFAllocatorDefault, 4,
&kCFTypeDictionaryKeyCallBacks,
&kCFTypeDictionaryValueCallBacks));
if (!props) return nullptr;
MOZ_ASSERT((size_t)aYSize.width <= GetMaxWidth());
MOZ_ASSERT((size_t)aYSize.height <= GetMaxHeight());
AddDictionaryInt(props, kIOSurfaceWidth, aYSize.width);
AddDictionaryInt(props, kIOSurfaceHeight, aYSize.height);
::CFDictionaryAddValue(props.get(), kIOSurfaceIsGlobal, kCFBooleanTrue);
if (aColorRange == ColorRange::LIMITED) {
if (aColorDepth == ColorDepth::COLOR_8) {
AddDictionaryInt(
props, kIOSurfacePixelFormat,
(uint32_t)kCVPixelFormatType_420YpCbCr8BiPlanarVideoRange);
} else {
AddDictionaryInt(
props, kIOSurfacePixelFormat,
(uint32_t)kCVPixelFormatType_420YpCbCr10BiPlanarVideoRange);
}
} else {
if (aColorDepth == ColorDepth::COLOR_8) {
AddDictionaryInt(
props, kIOSurfacePixelFormat,
(uint32_t)kCVPixelFormatType_420YpCbCr8BiPlanarFullRange);
} else {
AddDictionaryInt(
props, kIOSurfacePixelFormat,
(uint32_t)kCVPixelFormatType_420YpCbCr10BiPlanarFullRange);
}
}
size_t bytesPerPixel = (aColorDepth == ColorDepth::COLOR_8) ? 1 : 2;
CFTypeRefPtr<CFMutableDictionaryRef> planeProps[2];
size_t yPlaneBytes =
CreatePlaneDictionary(planeProps[0], aYSize, 0, bytesPerPixel);
size_t cbCrOffset =
IOSurfaceAlignProperty(kIOSurfacePlaneOffset, yPlaneBytes);
size_t cbCrPlaneBytes = CreatePlaneDictionary(planeProps[1], aCbCrSize,
cbCrOffset, bytesPerPixel * 2);
size_t totalBytes =
IOSurfaceAlignProperty(kIOSurfaceAllocSize, cbCrOffset + cbCrPlaneBytes);
AddDictionaryInt(props, kIOSurfaceAllocSize, totalBytes);
auto array = CFTypeRefPtr<CFArrayRef>::WrapUnderCreateRule(
CFArrayCreate(kCFAllocatorDefault, (const void**)planeProps, 2,
&kCFTypeArrayCallBacks));
::CFDictionaryAddValue(props.get(), kIOSurfacePlaneInfo, array.get());
CFTypeRefPtr<IOSurfaceRef> surfaceRef =
CFTypeRefPtr<IOSurfaceRef>::WrapUnderCreateRule(
::IOSurfaceCreate(props.get()));
if (!surfaceRef) {
return nullptr;
}
// Setup the correct YCbCr conversion matrix, color primaries, and transfer
// functions on the IOSurface, in case we pass this directly to CoreAnimation.
// For keys and values, we'd like to use values specified by the API, but
// those are only defined for CVImageBuffers. Luckily, when an image buffer is
// converted into an IOSurface, the keys are transformed but the values are
// the same. Since we are creating the IOSurface directly, we use hard-coded
// keys derived from inspecting the extracted IOSurfaces in the copying case,
// but we use the API-defined values from CVImageBuffer.
if (aColorSpace == YUVColorSpace::BT601) {
IOSurfaceSetValue(surfaceRef.get(), CFSTR("IOSurfaceYCbCrMatrix"),
kCVImageBufferYCbCrMatrix_ITU_R_601_4);
} else if (aColorSpace == YUVColorSpace::BT709) {
IOSurfaceSetValue(surfaceRef.get(), CFSTR("IOSurfaceYCbCrMatrix"),
kCVImageBufferYCbCrMatrix_ITU_R_709_2);
IOSurfaceSetValue(surfaceRef.get(), CFSTR("IOSurfaceColorPrimaries"),
kCVImageBufferColorPrimaries_ITU_R_709_2);
} else {
IOSurfaceSetValue(surfaceRef.get(), CFSTR("IOSurfaceYCbCrMatrix"),
kCVImageBufferYCbCrMatrix_ITU_R_2020);
IOSurfaceSetValue(surfaceRef.get(), CFSTR("IOSurfaceColorPrimaries"),
kCVImageBufferColorPrimaries_ITU_R_2020);
}
// Transfer function is applied independently from the colorSpace.
IOSurfaceSetValue(
surfaceRef.get(), CFSTR("IOSurfaceTransferFunction"),
gfxMacUtils::CFStringForTransferFunction(aTransferFunction));
// Override the color space to be the same as the main display, so that
// CoreAnimation won't try to do any color correction (from the IOSurface
// space, to the display). In the future we may want to try specifying this
// correctly, but probably only once we do the same for videos drawn through
// our gfx code.
auto colorSpace = CFTypeRefPtr<CGColorSpaceRef>::WrapUnderCreateRule(
CGDisplayCopyColorSpace(CGMainDisplayID()));
auto colorData = CFTypeRefPtr<CFDataRef>::WrapUnderCreateRule(
CGColorSpaceCopyICCData(colorSpace.get()));
IOSurfaceSetValue(surfaceRef.get(), CFSTR("IOSurfaceColorSpace"),
colorData.get());
RefPtr<MacIOSurface> ioSurface =
new MacIOSurface(std::move(surfaceRef), false, aColorSpace);
return ioSurface.forget();
}
/* static */
already_AddRefed<MacIOSurface> MacIOSurface::CreateYUV422Surface(
const IntSize& aSize, YUVColorSpace aColorSpace, ColorRange aColorRange) {
MOZ_ASSERT(aColorSpace == YUVColorSpace::BT601 ||
aColorSpace == YUVColorSpace::BT709);
MOZ_ASSERT(aColorRange == ColorRange::LIMITED ||
aColorRange == ColorRange::FULL);
auto props = CFTypeRefPtr<CFMutableDictionaryRef>::WrapUnderCreateRule(
::CFDictionaryCreateMutable(kCFAllocatorDefault, 4,
&kCFTypeDictionaryKeyCallBacks,
&kCFTypeDictionaryValueCallBacks));
if (!props) return nullptr;
MOZ_ASSERT((size_t)aSize.width <= GetMaxWidth());
MOZ_ASSERT((size_t)aSize.height <= GetMaxHeight());
SetSizeProperties(props, aSize.width, aSize.height, 2);
if (aColorRange == ColorRange::LIMITED) {
AddDictionaryInt(props, kIOSurfacePixelFormat,
(uint32_t)kCVPixelFormatType_422YpCbCr8_yuvs);
} else {
AddDictionaryInt(props, kIOSurfacePixelFormat,
(uint32_t)kCVPixelFormatType_422YpCbCr8FullRange);
}
CFTypeRefPtr<IOSurfaceRef> surfaceRef =
CFTypeRefPtr<IOSurfaceRef>::WrapUnderCreateRule(
::IOSurfaceCreate(props.get()));
if (!surfaceRef) {
return nullptr;
}
// Setup the correct YCbCr conversion matrix on the IOSurface, in case we pass
// this directly to CoreAnimation.
if (aColorSpace == YUVColorSpace::BT601) {
IOSurfaceSetValue(surfaceRef.get(), CFSTR("IOSurfaceYCbCrMatrix"),
CFSTR("ITU_R_601_4"));
} else {
IOSurfaceSetValue(surfaceRef.get(), CFSTR("IOSurfaceYCbCrMatrix"),
CFSTR("ITU_R_709_2"));
}
// Override the color space to be the same as the main display, so that
// CoreAnimation won't try to do any color correction (from the IOSurface
// space, to the display). In the future we may want to try specifying this
// correctly, but probably only once we do the same for videos drawn through
// our gfx code.
auto colorSpace = CFTypeRefPtr<CGColorSpaceRef>::WrapUnderCreateRule(
CGDisplayCopyColorSpace(CGMainDisplayID()));
auto colorData = CFTypeRefPtr<CFDataRef>::WrapUnderCreateRule(
CGColorSpaceCopyICCData(colorSpace.get()));
IOSurfaceSetValue(surfaceRef.get(), CFSTR("IOSurfaceColorSpace"),
colorData.get());
RefPtr<MacIOSurface> ioSurface =
new MacIOSurface(std::move(surfaceRef), false, aColorSpace);
return ioSurface.forget();
}
/* static */
already_AddRefed<MacIOSurface> MacIOSurface::LookupSurface(
IOSurfaceID aIOSurfaceID, bool aHasAlpha, gfx::YUVColorSpace aColorSpace) {
CFTypeRefPtr<IOSurfaceRef> surfaceRef =
CFTypeRefPtr<IOSurfaceRef>::WrapUnderCreateRule(
::IOSurfaceLookup(aIOSurfaceID));
if (!surfaceRef) return nullptr;
RefPtr<MacIOSurface> ioSurface =
new MacIOSurface(std::move(surfaceRef), aHasAlpha, aColorSpace);
return ioSurface.forget();
}
IOSurfaceID MacIOSurface::GetIOSurfaceID() const {
return ::IOSurfaceGetID(mIOSurfaceRef.get());
}
void* MacIOSurface::GetBaseAddress() const {
return ::IOSurfaceGetBaseAddress(mIOSurfaceRef.get());
}
void* MacIOSurface::GetBaseAddressOfPlane(size_t aPlaneIndex) const {
return ::IOSurfaceGetBaseAddressOfPlane(mIOSurfaceRef.get(), aPlaneIndex);
}
size_t MacIOSurface::GetWidth(size_t plane) const {
return GetDevicePixelWidth(plane);
}
size_t MacIOSurface::GetHeight(size_t plane) const {
return GetDevicePixelHeight(plane);
}
size_t MacIOSurface::GetPlaneCount() const {
return ::IOSurfaceGetPlaneCount(mIOSurfaceRef.get());
}
/*static*/
size_t MacIOSurface::GetMaxWidth() {
return ::IOSurfaceGetPropertyMaximum(kIOSurfaceWidth);
}
/*static*/
size_t MacIOSurface::GetMaxHeight() {
return ::IOSurfaceGetPropertyMaximum(kIOSurfaceHeight);
}
size_t MacIOSurface::GetDevicePixelWidth(size_t plane) const {
return ::IOSurfaceGetWidthOfPlane(mIOSurfaceRef.get(), plane);
}
size_t MacIOSurface::GetDevicePixelHeight(size_t plane) const {
return ::IOSurfaceGetHeightOfPlane(mIOSurfaceRef.get(), plane);
}
size_t MacIOSurface::GetBytesPerRow(size_t plane) const {
return ::IOSurfaceGetBytesPerRowOfPlane(mIOSurfaceRef.get(), plane);
}
size_t MacIOSurface::GetAllocSize() const {
return ::IOSurfaceGetAllocSize(mIOSurfaceRef.get());
}
OSType MacIOSurface::GetPixelFormat() const {
return ::IOSurfaceGetPixelFormat(mIOSurfaceRef.get());
}
void MacIOSurface::IncrementUseCount() {
::IOSurfaceIncrementUseCount(mIOSurfaceRef.get());
}
void MacIOSurface::DecrementUseCount() {
::IOSurfaceDecrementUseCount(mIOSurfaceRef.get());
}
void MacIOSurface::Lock(bool aReadOnly) {
MOZ_RELEASE_ASSERT(!mIsLocked, "double MacIOSurface lock");
::IOSurfaceLock(mIOSurfaceRef.get(), aReadOnly ? kIOSurfaceLockReadOnly : 0,
nullptr);
mIsLocked = true;
}
void MacIOSurface::Unlock(bool aReadOnly) {
MOZ_RELEASE_ASSERT(mIsLocked, "MacIOSurface unlock without being locked");
::IOSurfaceUnlock(mIOSurfaceRef.get(), aReadOnly ? kIOSurfaceLockReadOnly : 0,
nullptr);
mIsLocked = false;
}
using mozilla::gfx::ColorDepth;
using mozilla::gfx::IntSize;
using mozilla::gfx::SourceSurface;
using mozilla::gfx::SurfaceFormat;
static void MacIOSurfaceBufferDeallocator(void* aClosure) {
MOZ_ASSERT(aClosure);
delete[] static_cast<unsigned char*>(aClosure);
}
already_AddRefed<SourceSurface> MacIOSurface::GetAsSurface() {
Lock();
size_t bytesPerRow = GetBytesPerRow();
size_t ioWidth = GetDevicePixelWidth();
size_t ioHeight = GetDevicePixelHeight();
unsigned char* ioData = (unsigned char*)GetBaseAddress();
auto* dataCpy =
new unsigned char[bytesPerRow * ioHeight / sizeof(unsigned char)];
for (size_t i = 0; i < ioHeight; i++) {
memcpy(dataCpy + i * bytesPerRow, ioData + i * bytesPerRow, ioWidth * 4);
}
Unlock();
SurfaceFormat format = HasAlpha() ? mozilla::gfx::SurfaceFormat::B8G8R8A8
: mozilla::gfx::SurfaceFormat::B8G8R8X8;
RefPtr<mozilla::gfx::DataSourceSurface> surf =
mozilla::gfx::Factory::CreateWrappingDataSourceSurface(
dataCpy, bytesPerRow, IntSize(ioWidth, ioHeight), format,
&MacIOSurfaceBufferDeallocator, static_cast<void*>(dataCpy));
return surf.forget();
}
already_AddRefed<mozilla::gfx::DrawTarget> MacIOSurface::GetAsDrawTargetLocked(
mozilla::gfx::BackendType aBackendType) {
MOZ_RELEASE_ASSERT(
IsLocked(),
"Only call GetAsDrawTargetLocked while the surface is locked.");
size_t bytesPerRow = GetBytesPerRow();
size_t ioWidth = GetDevicePixelWidth();
size_t ioHeight = GetDevicePixelHeight();
unsigned char* ioData = (unsigned char*)GetBaseAddress();
SurfaceFormat format = GetFormat();
return mozilla::gfx::Factory::CreateDrawTargetForData(
aBackendType, ioData, IntSize(ioWidth, ioHeight), bytesPerRow, format);
}
SurfaceFormat MacIOSurface::GetFormat() const {
switch (GetPixelFormat()) {
case kCVPixelFormatType_420YpCbCr8BiPlanarVideoRange:
case kCVPixelFormatType_420YpCbCr8BiPlanarFullRange:
return SurfaceFormat::NV12;
case kCVPixelFormatType_420YpCbCr10BiPlanarVideoRange:
case kCVPixelFormatType_420YpCbCr10BiPlanarFullRange:
return SurfaceFormat::P010;
case kCVPixelFormatType_422YpCbCr8_yuvs:
case kCVPixelFormatType_422YpCbCr8FullRange:
return SurfaceFormat::YUV422;
case kCVPixelFormatType_32BGRA:
return HasAlpha() ? SurfaceFormat::B8G8R8A8 : SurfaceFormat::B8G8R8X8;
default:
MOZ_ASSERT_UNREACHABLE("Unknown format");
return SurfaceFormat::B8G8R8A8;
}
}
SurfaceFormat MacIOSurface::GetReadFormat() const {
SurfaceFormat format = GetFormat();
if (format == SurfaceFormat::YUV422) {
return SurfaceFormat::R8G8B8X8;
}
return format;
}
ColorDepth MacIOSurface::GetColorDepth() const {
switch (GetPixelFormat()) {
case kCVPixelFormatType_420YpCbCr10BiPlanarVideoRange:
case kCVPixelFormatType_420YpCbCr10BiPlanarFullRange:
return ColorDepth::COLOR_10;
default:
return ColorDepth::COLOR_8;
}
}
CGLError MacIOSurface::CGLTexImageIOSurface2D(CGLContextObj ctx, GLenum target,
GLenum internalFormat,
GLsizei width, GLsizei height,
GLenum format, GLenum type,
GLuint plane) const {
return ::CGLTexImageIOSurface2D(ctx, target, internalFormat, width, height,
format, type, mIOSurfaceRef.get(), plane);
}
CGLError MacIOSurface::CGLTexImageIOSurface2D(
mozilla::gl::GLContext* aGL, CGLContextObj ctx, size_t plane,
mozilla::gfx::SurfaceFormat* aOutReadFormat) {
MOZ_ASSERT(plane >= 0);
bool isCompatibilityProfile = aGL->IsCompatibilityProfile();
OSType pixelFormat = GetPixelFormat();
GLenum internalFormat;
GLenum format;
GLenum type;
if (pixelFormat == kCVPixelFormatType_420YpCbCr8BiPlanarVideoRange ||
pixelFormat == kCVPixelFormatType_420YpCbCr8BiPlanarFullRange) {
MOZ_ASSERT(GetPlaneCount() == 2);
MOZ_ASSERT(plane < 2);
// The LOCAL_GL_LUMINANCE and LOCAL_GL_LUMINANCE_ALPHA are the deprecated
// format. So, use LOCAL_GL_RED and LOCAL_GL_RB if we use core profile.
// https://www.khronos.org/opengl/wiki/Image_Format#Legacy_Image_Formats
if (plane == 0) {
internalFormat = format =
(isCompatibilityProfile) ? (LOCAL_GL_LUMINANCE) : (LOCAL_GL_RED);
} else {
internalFormat = format =
(isCompatibilityProfile) ? (LOCAL_GL_LUMINANCE_ALPHA) : (LOCAL_GL_RG);
}
type = LOCAL_GL_UNSIGNED_BYTE;
if (aOutReadFormat) {
*aOutReadFormat = mozilla::gfx::SurfaceFormat::NV12;
}
} else if (pixelFormat == kCVPixelFormatType_420YpCbCr10BiPlanarVideoRange ||
pixelFormat == kCVPixelFormatType_420YpCbCr10BiPlanarFullRange) {
MOZ_ASSERT(GetPlaneCount() == 2);
MOZ_ASSERT(plane < 2);
// The LOCAL_GL_LUMINANCE and LOCAL_GL_LUMINANCE_ALPHA are the deprecated
// format. So, use LOCAL_GL_RED and LOCAL_GL_RB if we use core profile.
// https://www.khronos.org/opengl/wiki/Image_Format#Legacy_Image_Formats
if (plane == 0) {
internalFormat = format =
(isCompatibilityProfile) ? (LOCAL_GL_LUMINANCE) : (LOCAL_GL_RED);
} else {
internalFormat = format =
(isCompatibilityProfile) ? (LOCAL_GL_LUMINANCE_ALPHA) : (LOCAL_GL_RG);
}
type = LOCAL_GL_UNSIGNED_SHORT;
if (aOutReadFormat) {
*aOutReadFormat = mozilla::gfx::SurfaceFormat::P010;
}
} else if (pixelFormat == kCVPixelFormatType_422YpCbCr8_yuvs ||
pixelFormat == kCVPixelFormatType_422YpCbCr8FullRange) {
MOZ_ASSERT(plane == 0);
// The YCBCR_422_APPLE ext is only available in compatibility profile. So,
// we should use RGB_422_APPLE for core profile. The difference between
// YCBCR_422_APPLE and RGB_422_APPLE is that the YCBCR_422_APPLE converts
// the YCbCr value to RGB with REC 601 conversion. But the RGB_422_APPLE
// doesn't contain color conversion. You should do the color conversion by
// yourself for RGB_422_APPLE.
//
// https://www.khronos.org/registry/OpenGL/extensions/APPLE/APPLE_ycbcr_422.txt
// https://www.khronos.org/registry/OpenGL/extensions/APPLE/APPLE_rgb_422.txt
if (isCompatibilityProfile) {
format = LOCAL_GL_YCBCR_422_APPLE;
if (aOutReadFormat) {
*aOutReadFormat = mozilla::gfx::SurfaceFormat::R8G8B8X8;
}
} else {
format = LOCAL_GL_RGB_422_APPLE;
if (aOutReadFormat) {
*aOutReadFormat = mozilla::gfx::SurfaceFormat::YUV422;
}
}
internalFormat = LOCAL_GL_RGB;
type = LOCAL_GL_UNSIGNED_SHORT_8_8_REV_APPLE;
} else {
MOZ_ASSERT(plane == 0);
internalFormat = HasAlpha() ? LOCAL_GL_RGBA : LOCAL_GL_RGB;
format = LOCAL_GL_BGRA;
type = LOCAL_GL_UNSIGNED_INT_8_8_8_8_REV;
if (aOutReadFormat) {
*aOutReadFormat = HasAlpha() ? mozilla::gfx::SurfaceFormat::R8G8B8A8
: mozilla::gfx::SurfaceFormat::R8G8B8X8;
}
}
auto err =
CGLTexImageIOSurface2D(ctx, LOCAL_GL_TEXTURE_RECTANGLE_ARB,
internalFormat, GetDevicePixelWidth(plane),
GetDevicePixelHeight(plane), format, type, plane);
if (err) {
const auto formatChars = (const char*)&pixelFormat;
const char formatStr[] = {formatChars[3], formatChars[2], formatChars[1],
formatChars[0], 0};
const nsPrintfCString errStr(
"CGLTexImageIOSurface2D(context, target, 0x%04x,"
" %u, %u, 0x%04x, 0x%04x, iosurfPtr, %u) -> %i",
internalFormat, uint32_t(GetDevicePixelWidth(plane)),
uint32_t(GetDevicePixelHeight(plane)), format, type,
(unsigned int)plane, err);
gfxCriticalError() << errStr.get() << " (iosurf format: " << formatStr
<< ")";
}
return err;
}
void MacIOSurface::SetColorSpace(const mozilla::gfx::ColorSpace2 cs) const {
Maybe<CFStringRef> str;
switch (cs) {
case gfx::ColorSpace2::UNKNOWN:
break;
case gfx::ColorSpace2::SRGB:
str = Some(kCGColorSpaceSRGB);
break;
case gfx::ColorSpace2::DISPLAY_P3:
str = Some(kCGColorSpaceDisplayP3);
break;
case gfx::ColorSpace2::BT601_525: // Doesn't really have a better option.
case gfx::ColorSpace2::BT709:
str = Some(kCGColorSpaceITUR_709);
break;
case gfx::ColorSpace2::BT2020:
str = Some(kCGColorSpaceITUR_2020);
break;
}
if (str) {
IOSurfaceSetValue(mIOSurfaceRef.get(), CFSTR("IOSurfaceColorSpace"), *str);
}
}
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