2010-04-20 07:52:19 -07:00
|
|
|
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
|
|
// vim:set ts=2 sts=2 sw=2 et cin:
|
|
|
|
/* ***** BEGIN LICENSE BLOCK *****
|
|
|
|
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
|
|
|
|
*
|
|
|
|
* The contents of this file are subject to the Mozilla Public License Version
|
|
|
|
* 1.1 (the "License"); you may not use this file except in compliance with
|
|
|
|
* the License. You may obtain a copy of the License at
|
|
|
|
* http://www.mozilla.org/MPL/
|
|
|
|
*
|
|
|
|
* Software distributed under the License is distributed on an "AS IS" basis,
|
|
|
|
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
|
|
|
|
* for the specific language governing rights and limitations under the
|
|
|
|
* License.
|
|
|
|
*
|
|
|
|
* The Original Code is Mozilla.org code.
|
|
|
|
*
|
|
|
|
* The Initial Developer of the Original Code is
|
|
|
|
* Mozilla Corporation.
|
|
|
|
* Portions created by the Initial Developer are Copyright (C) 2008
|
|
|
|
* the Initial Developer. All Rights Reserved.
|
|
|
|
*
|
|
|
|
* Contributor(s):
|
|
|
|
* Benoit Girard <b56girard@gmail.com>
|
|
|
|
*
|
|
|
|
* Alternatively, the contents of this file may be used under the terms of
|
|
|
|
* either of the GNU General Public License Version 2 or later (the "GPL"),
|
|
|
|
* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
|
|
|
|
* in which case the provisions of the GPL or the LGPL are applicable instead
|
|
|
|
* of those above. If you wish to allow use of your version of this file only
|
|
|
|
* under the terms of either the GPL or the LGPL, and not to allow others to
|
|
|
|
* use your version of this file under the terms of the MPL, indicate your
|
|
|
|
* decision by deleting the provisions above and replace them with the notice
|
|
|
|
* and other provisions required by the GPL or the LGPL. If you do not delete
|
|
|
|
* the provisions above, a recipient may use your version of this file under
|
|
|
|
* the terms of any one of the MPL, the GPL or the LGPL.
|
|
|
|
*
|
|
|
|
* ***** END LICENSE BLOCK ***** */
|
|
|
|
|
|
|
|
#include "nsCoreAnimationSupport.h"
|
|
|
|
#include "nsDebug.h"
|
|
|
|
|
|
|
|
#import <QuartzCore/QuartzCore.h>
|
|
|
|
#include <dlfcn.h>
|
|
|
|
|
|
|
|
#define IOSURFACE_FRAMEWORK_PATH \
|
|
|
|
"/System/Library/Frameworks/IOSurface.framework/IOSurface"
|
|
|
|
#define OPENGL_FRAMEWORK_PATH \
|
|
|
|
"/System/Library/Frameworks/OpenGL.framework/OpenGL"
|
|
|
|
|
|
|
|
|
|
|
|
// IOSurface signatures
|
|
|
|
typedef CFTypeRef IOSurfacePtr;
|
|
|
|
typedef IOSurfacePtr (*IOSurfaceCreateFunc) (CFDictionaryRef properties);
|
|
|
|
typedef IOSurfacePtr (*IOSurfaceLookupFunc) (uint32_t io_surface_id);
|
|
|
|
typedef IOSurfaceID (*IOSurfaceGetIDFunc) (CFTypeRef io_surface);
|
|
|
|
typedef IOReturn (*IOSurfaceLockFunc) (CFTypeRef io_surface,
|
|
|
|
uint32_t options,
|
|
|
|
uint32_t *seed);
|
|
|
|
typedef IOReturn (*IOSurfaceUnlockFunc) (CFTypeRef io_surface,
|
|
|
|
uint32_t options,
|
|
|
|
uint32_t *seed);
|
|
|
|
typedef void* (*IOSurfaceGetBaseAddressFunc) (CFTypeRef io_surface);
|
|
|
|
typedef size_t (*IOSurfaceGetWidthFunc) (IOSurfacePtr io_surface);
|
|
|
|
typedef size_t (*IOSurfaceGetHeightFunc) (IOSurfacePtr io_surface);
|
|
|
|
typedef size_t (*IOSurfaceGetBytesPerRowFunc) (IOSurfacePtr io_surface);
|
|
|
|
typedef CGLError (*CGLTexImageIOSurface2DFunc) (CGLContextObj ctxt,
|
|
|
|
GLenum target, GLenum internalFormat,
|
|
|
|
GLsizei width, GLsizei height,
|
|
|
|
GLenum format, GLenum type,
|
|
|
|
IOSurfacePtr ioSurface, GLuint plane);
|
|
|
|
|
|
|
|
#define GET_CONST(const_name) \
|
|
|
|
((CFStringRef*) dlsym(sIOSurfaceFramework, const_name))
|
|
|
|
#define GET_IOSYM(dest,sym_name) \
|
|
|
|
(typeof(dest)) dlsym(sIOSurfaceFramework, sym_name)
|
|
|
|
#define GET_CGLSYM(dest,sym_name) \
|
|
|
|
(typeof(dest)) dlsym(sOpenGLFramework, sym_name)
|
|
|
|
|
|
|
|
class nsIOSurfaceLib: public nsIOSurface {
|
|
|
|
public:
|
|
|
|
static void *sIOSurfaceFramework;
|
|
|
|
static void *sOpenGLFramework;
|
|
|
|
static bool isLoaded;
|
|
|
|
static IOSurfaceCreateFunc sCreate;
|
|
|
|
static IOSurfaceGetIDFunc sGetID;
|
|
|
|
static IOSurfaceLookupFunc sLookup;
|
|
|
|
static IOSurfaceGetBaseAddressFunc sGetBaseAddress;
|
|
|
|
static IOSurfaceLockFunc sLock;
|
|
|
|
static IOSurfaceUnlockFunc sUnlock;
|
|
|
|
static IOSurfaceGetWidthFunc sWidth;
|
|
|
|
static IOSurfaceGetHeightFunc sHeight;
|
|
|
|
static IOSurfaceGetBytesPerRowFunc sBytesPerRow;
|
|
|
|
static CGLTexImageIOSurface2DFunc sTexImage;
|
|
|
|
static CFStringRef kPropWidth;
|
|
|
|
static CFStringRef kPropHeight;
|
|
|
|
static CFStringRef kPropBytesPerElem;
|
|
|
|
static CFStringRef kPropBytesPerRow;
|
|
|
|
static CFStringRef kPropIsGlobal;
|
|
|
|
|
|
|
|
static bool isInit();
|
|
|
|
static CFStringRef GetIOConst(const char* symbole);
|
|
|
|
static IOSurfacePtr IOSurfaceCreate(CFDictionaryRef properties);
|
|
|
|
static IOSurfacePtr IOSurfaceLookup(IOSurfaceID aIOSurfaceID);
|
|
|
|
static IOSurfaceID IOSurfaceGetID(IOSurfacePtr aIOSurfacePtr);
|
|
|
|
static void *IOSurfaceGetBaseAddress(IOSurfacePtr aIOSurfacePtr);
|
|
|
|
static size_t IOSurfaceGetWidth(IOSurfacePtr aIOSurfacePtr);
|
|
|
|
static size_t IOSurfaceGetHeight(IOSurfacePtr aIOSurfacePtr);
|
|
|
|
static size_t IOSurfaceGetBytesPerRow(IOSurfacePtr aIOSurfacePtr);
|
|
|
|
static IOReturn IOSurfaceLock(IOSurfacePtr aIOSurfacePtr,
|
|
|
|
uint32_t options, uint32_t *seed);
|
|
|
|
static IOReturn IOSurfaceUnlock(IOSurfacePtr aIOSurfacePtr,
|
|
|
|
uint32_t options, uint32_t *seed);
|
|
|
|
static CGLError CGLTexImageIOSurface2D(CGLContextObj ctxt,
|
|
|
|
GLenum target, GLenum internalFormat,
|
|
|
|
GLsizei width, GLsizei height,
|
|
|
|
GLenum format, GLenum type,
|
|
|
|
IOSurfacePtr ioSurface, GLuint plane);
|
|
|
|
static void LoadLibrary();
|
|
|
|
static void CloseLibrary();
|
|
|
|
|
|
|
|
// Static deconstructor
|
|
|
|
static class LibraryUnloader {
|
|
|
|
public:
|
|
|
|
~LibraryUnloader() {
|
|
|
|
CloseLibrary();
|
|
|
|
}
|
|
|
|
} sLibraryUnloader;
|
|
|
|
};
|
|
|
|
|
|
|
|
nsIOSurfaceLib::LibraryUnloader nsIOSurfaceLib::sLibraryUnloader;
|
|
|
|
bool nsIOSurfaceLib::isLoaded = false;
|
|
|
|
void* nsIOSurfaceLib::sIOSurfaceFramework;
|
|
|
|
void* nsIOSurfaceLib::sOpenGLFramework;
|
|
|
|
IOSurfaceCreateFunc nsIOSurfaceLib::sCreate;
|
|
|
|
IOSurfaceGetIDFunc nsIOSurfaceLib::sGetID;
|
|
|
|
IOSurfaceLookupFunc nsIOSurfaceLib::sLookup;
|
|
|
|
IOSurfaceGetBaseAddressFunc nsIOSurfaceLib::sGetBaseAddress;
|
|
|
|
IOSurfaceGetHeightFunc nsIOSurfaceLib::sWidth;
|
|
|
|
IOSurfaceGetWidthFunc nsIOSurfaceLib::sHeight;
|
|
|
|
IOSurfaceGetBytesPerRowFunc nsIOSurfaceLib::sBytesPerRow;
|
|
|
|
IOSurfaceLockFunc nsIOSurfaceLib::sLock;
|
|
|
|
IOSurfaceUnlockFunc nsIOSurfaceLib::sUnlock;
|
|
|
|
CGLTexImageIOSurface2DFunc nsIOSurfaceLib::sTexImage;
|
|
|
|
CFStringRef nsIOSurfaceLib::kPropWidth;
|
|
|
|
CFStringRef nsIOSurfaceLib::kPropHeight;
|
|
|
|
CFStringRef nsIOSurfaceLib::kPropBytesPerElem;
|
|
|
|
CFStringRef nsIOSurfaceLib::kPropBytesPerRow;
|
|
|
|
CFStringRef nsIOSurfaceLib::kPropIsGlobal;
|
|
|
|
|
|
|
|
bool nsIOSurfaceLib::isInit() {
|
|
|
|
// Guard against trying to reload the library
|
|
|
|
// if it is not available.
|
|
|
|
if (!isLoaded)
|
|
|
|
LoadLibrary();
|
|
|
|
if (!sIOSurfaceFramework) {
|
|
|
|
NS_ERROR("nsIOSurfaceLib failed to initialize");
|
|
|
|
}
|
|
|
|
return sIOSurfaceFramework;
|
|
|
|
}
|
|
|
|
|
|
|
|
IOSurfacePtr nsIOSurfaceLib::IOSurfaceCreate(CFDictionaryRef properties) {
|
|
|
|
return sCreate(properties);
|
|
|
|
}
|
|
|
|
|
|
|
|
IOSurfacePtr nsIOSurfaceLib::IOSurfaceLookup(IOSurfaceID aIOSurfaceID) {
|
|
|
|
return sLookup(aIOSurfaceID);
|
|
|
|
}
|
|
|
|
|
|
|
|
IOSurfaceID nsIOSurfaceLib::IOSurfaceGetID(IOSurfacePtr aIOSurfacePtr) {
|
|
|
|
return sGetID(aIOSurfacePtr);
|
|
|
|
}
|
|
|
|
|
|
|
|
void* nsIOSurfaceLib::IOSurfaceGetBaseAddress(IOSurfacePtr aIOSurfacePtr) {
|
|
|
|
return sGetBaseAddress(aIOSurfacePtr);
|
|
|
|
}
|
|
|
|
|
|
|
|
size_t nsIOSurfaceLib::IOSurfaceGetWidth(IOSurfacePtr aIOSurfacePtr) {
|
|
|
|
return sWidth(aIOSurfacePtr);
|
|
|
|
}
|
|
|
|
|
|
|
|
size_t nsIOSurfaceLib::IOSurfaceGetHeight(IOSurfacePtr aIOSurfacePtr) {
|
|
|
|
return sHeight(aIOSurfacePtr);
|
|
|
|
}
|
|
|
|
|
|
|
|
size_t nsIOSurfaceLib::IOSurfaceGetBytesPerRow(IOSurfacePtr aIOSurfacePtr) {
|
|
|
|
return sBytesPerRow(aIOSurfacePtr);
|
|
|
|
}
|
|
|
|
|
|
|
|
IOReturn nsIOSurfaceLib::IOSurfaceLock(IOSurfacePtr aIOSurfacePtr,
|
|
|
|
uint32_t options, uint32_t *seed) {
|
|
|
|
return sLock(aIOSurfacePtr, options, seed);
|
|
|
|
}
|
|
|
|
|
|
|
|
IOReturn nsIOSurfaceLib::IOSurfaceUnlock(IOSurfacePtr aIOSurfacePtr,
|
|
|
|
uint32_t options, uint32_t *seed) {
|
|
|
|
return sUnlock(aIOSurfacePtr, options, seed);
|
|
|
|
}
|
|
|
|
|
|
|
|
CGLError nsIOSurfaceLib::CGLTexImageIOSurface2D(CGLContextObj ctxt,
|
|
|
|
GLenum target, GLenum internalFormat,
|
|
|
|
GLsizei width, GLsizei height,
|
|
|
|
GLenum format, GLenum type,
|
|
|
|
IOSurfacePtr ioSurface, GLuint plane) {
|
|
|
|
return sTexImage(ctxt, target, internalFormat, width, height,
|
|
|
|
format, type, ioSurface, plane);
|
|
|
|
}
|
|
|
|
|
|
|
|
CFStringRef nsIOSurfaceLib::GetIOConst(const char* symbole) {
|
|
|
|
CFStringRef *address = (CFStringRef*)dlsym(sIOSurfaceFramework, symbole);
|
|
|
|
if (!address)
|
|
|
|
return nsnull;
|
|
|
|
|
|
|
|
return *address;
|
|
|
|
}
|
|
|
|
|
|
|
|
void nsIOSurfaceLib::LoadLibrary() {
|
|
|
|
if (isLoaded) {
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
isLoaded = true;
|
|
|
|
sIOSurfaceFramework = dlopen(IOSURFACE_FRAMEWORK_PATH,
|
|
|
|
RTLD_LAZY | RTLD_LOCAL);
|
|
|
|
sOpenGLFramework = dlopen(OPENGL_FRAMEWORK_PATH,
|
|
|
|
RTLD_LAZY | RTLD_LOCAL);
|
|
|
|
if (!sIOSurfaceFramework) {
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
if (!sOpenGLFramework) {
|
|
|
|
dlclose(sIOSurfaceFramework);
|
|
|
|
sIOSurfaceFramework = nsnull;
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
kPropWidth = GetIOConst("kIOSurfaceWidth");
|
|
|
|
kPropHeight = GetIOConst("kIOSurfaceHeight");
|
|
|
|
kPropBytesPerElem = GetIOConst("kIOSurfaceBytesPerElement");
|
|
|
|
kPropBytesPerRow = GetIOConst("kIOSurfaceBytesPerRow");
|
|
|
|
kPropIsGlobal = GetIOConst("kIOSurfaceIsGlobal");
|
|
|
|
sCreate = GET_IOSYM(sCreate, "IOSurfaceCreate");
|
|
|
|
sGetID = GET_IOSYM(sGetID, "IOSurfaceGetID");
|
|
|
|
sWidth = GET_IOSYM(sWidth, "IOSurfaceGetWidth");
|
|
|
|
sHeight = GET_IOSYM(sHeight, "IOSurfaceGetHeight");
|
|
|
|
sBytesPerRow = GET_IOSYM(sBytesPerRow, "IOSurfaceGetBytesPerRow");
|
|
|
|
sLookup = GET_IOSYM(sLookup, "IOSurfaceLookup");
|
|
|
|
sLock = GET_IOSYM(sLock, "IOSurfaceLock");
|
|
|
|
sUnlock = GET_IOSYM(sUnlock, "IOSurfaceUnlock");
|
|
|
|
sGetBaseAddress = GET_IOSYM(sGetBaseAddress, "IOSurfaceGetBaseAddress");
|
|
|
|
sTexImage = GET_CGLSYM(sTexImage, "CGLTexImageIOSurface2D");
|
|
|
|
|
|
|
|
if (!sCreate || !sGetID || !sLookup || !sTexImage || !sGetBaseAddress ||
|
|
|
|
!kPropWidth || !kPropHeight || !kPropBytesPerElem || !kPropIsGlobal ||
|
|
|
|
!sLock || !sUnlock || !sWidth || !sHeight || !kPropBytesPerRow ||
|
|
|
|
!sBytesPerRow) {
|
|
|
|
CloseLibrary();
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
void nsIOSurfaceLib::CloseLibrary() {
|
|
|
|
if (sIOSurfaceFramework) {
|
|
|
|
dlclose(sIOSurfaceFramework);
|
|
|
|
}
|
|
|
|
if (sOpenGLFramework) {
|
|
|
|
dlclose(sOpenGLFramework);
|
|
|
|
}
|
|
|
|
sIOSurfaceFramework = nsnull;
|
|
|
|
sOpenGLFramework = nsnull;
|
|
|
|
}
|
|
|
|
|
|
|
|
nsIOSurface* nsIOSurface::CreateIOSurface(int aWidth, int aHeight) {
|
|
|
|
if (!nsIOSurfaceLib::isInit())
|
|
|
|
return nsnull;
|
|
|
|
|
|
|
|
CFMutableDictionaryRef props = ::CFDictionaryCreateMutable(
|
|
|
|
kCFAllocatorDefault, 4,
|
|
|
|
&kCFTypeDictionaryKeyCallBacks,
|
|
|
|
&kCFTypeDictionaryValueCallBacks);
|
|
|
|
if (!props)
|
|
|
|
return nsnull;
|
|
|
|
|
|
|
|
int32_t bytesPerElem = 4;
|
|
|
|
CFNumberRef cfWidth = ::CFNumberCreate(NULL, kCFNumberSInt32Type, &aWidth);
|
|
|
|
CFNumberRef cfHeight = ::CFNumberCreate(NULL, kCFNumberSInt32Type, &aHeight);
|
|
|
|
CFNumberRef cfBytesPerElem = ::CFNumberCreate(NULL, kCFNumberSInt32Type, &bytesPerElem);
|
|
|
|
::CFDictionaryAddValue(props, nsIOSurfaceLib::kPropWidth,
|
|
|
|
cfWidth);
|
|
|
|
::CFRelease(cfWidth);
|
|
|
|
::CFDictionaryAddValue(props, nsIOSurfaceLib::kPropHeight,
|
|
|
|
cfHeight);
|
|
|
|
::CFRelease(cfHeight);
|
|
|
|
::CFDictionaryAddValue(props, nsIOSurfaceLib::kPropBytesPerElem,
|
|
|
|
cfBytesPerElem);
|
|
|
|
::CFRelease(cfBytesPerElem);
|
|
|
|
::CFDictionaryAddValue(props, nsIOSurfaceLib::kPropIsGlobal,
|
|
|
|
kCFBooleanTrue);
|
|
|
|
|
|
|
|
IOSurfacePtr surfaceRef = nsIOSurfaceLib::IOSurfaceCreate(props);
|
|
|
|
::CFRelease(props);
|
|
|
|
|
|
|
|
if (!surfaceRef)
|
|
|
|
return nsnull;
|
|
|
|
|
|
|
|
nsIOSurface* ioSurface = new nsIOSurface(surfaceRef);
|
|
|
|
if (!ioSurface) {
|
|
|
|
::CFRelease(surfaceRef);
|
|
|
|
return nsnull;
|
|
|
|
}
|
|
|
|
|
|
|
|
return ioSurface;
|
|
|
|
}
|
|
|
|
|
|
|
|
nsIOSurface* nsIOSurface::LookupSurface(IOSurfaceID aIOSurfaceID) {
|
|
|
|
if (!nsIOSurfaceLib::isInit())
|
|
|
|
return nsnull;
|
|
|
|
|
|
|
|
IOSurfacePtr surfaceRef = nsIOSurfaceLib::IOSurfaceLookup(aIOSurfaceID);
|
|
|
|
if (!surfaceRef)
|
|
|
|
return nsnull;
|
|
|
|
// IOSurfaceLookup does not retain the object for us,
|
|
|
|
// we want IOSurfacePtr to remain for the lifetime of
|
|
|
|
// nsIOSurface.
|
|
|
|
CFRetain(surfaceRef);
|
|
|
|
|
|
|
|
nsIOSurface* ioSurface = new nsIOSurface(surfaceRef);
|
|
|
|
if (!ioSurface) {
|
2011-02-12 08:02:08 -08:00
|
|
|
::CFRelease(surfaceRef);
|
2010-04-20 07:52:19 -07:00
|
|
|
return nsnull;
|
|
|
|
}
|
|
|
|
return ioSurface;
|
|
|
|
}
|
|
|
|
|
|
|
|
IOSurfaceID nsIOSurface::GetIOSurfaceID() {
|
|
|
|
return nsIOSurfaceLib::IOSurfaceGetID(mIOSurfacePtr);
|
|
|
|
}
|
|
|
|
|
|
|
|
void* nsIOSurface::GetBaseAddress() {
|
|
|
|
return nsIOSurfaceLib::IOSurfaceGetBaseAddress(mIOSurfacePtr);
|
|
|
|
}
|
|
|
|
|
|
|
|
size_t nsIOSurface::GetWidth() {
|
|
|
|
return nsIOSurfaceLib::IOSurfaceGetWidth(mIOSurfacePtr);
|
|
|
|
}
|
|
|
|
|
|
|
|
size_t nsIOSurface::GetHeight() {
|
|
|
|
return nsIOSurfaceLib::IOSurfaceGetHeight(mIOSurfacePtr);
|
|
|
|
}
|
|
|
|
|
|
|
|
size_t nsIOSurface::GetBytesPerRow() {
|
|
|
|
return nsIOSurfaceLib::IOSurfaceGetBytesPerRow(mIOSurfacePtr);
|
|
|
|
}
|
|
|
|
|
|
|
|
#define READ_ONLY 0x1
|
|
|
|
void nsIOSurface::Lock() {
|
|
|
|
nsIOSurfaceLib::IOSurfaceLock(mIOSurfacePtr, READ_ONLY, NULL);
|
|
|
|
}
|
|
|
|
|
|
|
|
void nsIOSurface::Unlock() {
|
|
|
|
nsIOSurfaceLib::IOSurfaceUnlock(mIOSurfacePtr, READ_ONLY, NULL);
|
|
|
|
}
|
|
|
|
|
2011-02-12 08:02:08 -08:00
|
|
|
CGLError
|
|
|
|
nsIOSurface::CGLTexImageIOSurface2D(CGLContextObj ctxt,
|
|
|
|
GLenum internalFormat, GLenum format,
|
|
|
|
GLenum type, GLuint plane)
|
|
|
|
{
|
|
|
|
return nsIOSurfaceLib::CGLTexImageIOSurface2D(ctxt,
|
|
|
|
GL_TEXTURE_RECTANGLE_ARB,
|
|
|
|
internalFormat,
|
|
|
|
GetWidth(), GetHeight(),
|
|
|
|
format, type,
|
|
|
|
mIOSurfacePtr, plane);
|
|
|
|
}
|
|
|
|
|
2010-04-20 07:52:19 -07:00
|
|
|
nsCARenderer::~nsCARenderer() {
|
|
|
|
Destroy();
|
|
|
|
}
|
|
|
|
|
|
|
|
CGColorSpaceRef CreateSystemColorSpace() {
|
|
|
|
CMProfileRef system_profile = nsnull;
|
|
|
|
CGColorSpaceRef cspace = nsnull;
|
|
|
|
|
|
|
|
if (::CMGetSystemProfile(&system_profile) == noErr) {
|
|
|
|
// Create a colorspace with the systems profile
|
|
|
|
cspace = ::CGColorSpaceCreateWithPlatformColorSpace(system_profile);
|
|
|
|
::CMCloseProfile(system_profile);
|
|
|
|
} else {
|
|
|
|
// Default to generic
|
|
|
|
cspace = ::CGColorSpaceCreateWithName(kCGColorSpaceGenericRGB);
|
|
|
|
}
|
|
|
|
|
|
|
|
return cspace;
|
|
|
|
}
|
|
|
|
|
|
|
|
void cgdata_release_callback(void *aCGData, const void *data, size_t size) {
|
|
|
|
if (aCGData) {
|
|
|
|
free(aCGData);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
void nsCARenderer::Destroy() {
|
|
|
|
if (mCARenderer) {
|
|
|
|
CARenderer* caRenderer = (CARenderer*)mCARenderer;
|
|
|
|
// Bug 556453:
|
|
|
|
// Explicitly remove the layer from the renderer
|
|
|
|
// otherwise it does not always happen right away.
|
|
|
|
caRenderer.layer = nsnull;
|
|
|
|
[caRenderer release];
|
|
|
|
}
|
|
|
|
if (mPixelBuffer) {
|
|
|
|
::CGLDestroyPBuffer((CGLPBufferObj)mPixelBuffer);
|
|
|
|
}
|
|
|
|
if (mOpenGLContext) {
|
|
|
|
if (mFBO || mIOTexture) {
|
|
|
|
// Release these resources with the context that allocated them
|
|
|
|
CGLContextObj oldContext = ::CGLGetCurrentContext();
|
|
|
|
::CGLSetCurrentContext(mOpenGLContext);
|
|
|
|
|
|
|
|
if (mIOTexture) {
|
|
|
|
::glDeleteTextures(1, &mIOTexture);
|
|
|
|
}
|
|
|
|
if (mFBO) {
|
|
|
|
::glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);
|
|
|
|
::glDeleteFramebuffersEXT(1, &mFBO);
|
|
|
|
}
|
|
|
|
|
|
|
|
if (oldContext)
|
|
|
|
::CGLSetCurrentContext(oldContext);
|
|
|
|
}
|
|
|
|
::CGLDestroyContext((CGLContextObj)mOpenGLContext);
|
|
|
|
}
|
|
|
|
if (mCGImage) {
|
|
|
|
::CGImageRelease(mCGImage);
|
|
|
|
}
|
|
|
|
if (mIOSurface) {
|
|
|
|
delete mIOSurface;
|
|
|
|
}
|
|
|
|
// mCGData is deallocated by cgdata_release_callback
|
|
|
|
|
|
|
|
mCARenderer = nil;
|
|
|
|
mPixelBuffer = nsnull;
|
|
|
|
mOpenGLContext = nsnull;
|
|
|
|
mCGImage = nsnull;
|
|
|
|
mIOSurface = nsnull;
|
|
|
|
mFBO = nsnull;
|
|
|
|
mIOTexture = nsnull;
|
|
|
|
}
|
|
|
|
|
|
|
|
nsresult nsCARenderer::SetupRenderer(void *aCALayer, int aWidth, int aHeight) {
|
2010-05-20 12:22:37 -07:00
|
|
|
if (aWidth == 0 || aHeight == 0)
|
|
|
|
return NS_ERROR_FAILURE;
|
|
|
|
|
2010-04-20 07:52:19 -07:00
|
|
|
CALayer* layer = (CALayer*)aCALayer;
|
|
|
|
CARenderer* caRenderer = nsnull;
|
|
|
|
|
|
|
|
CGLPixelFormatAttribute attributes[] = {
|
|
|
|
kCGLPFANoRecovery,
|
|
|
|
kCGLPFAAccelerated,
|
|
|
|
kCGLPFAPBuffer,
|
|
|
|
kCGLPFADepthSize, (CGLPixelFormatAttribute)24,
|
|
|
|
(CGLPixelFormatAttribute)0
|
|
|
|
};
|
|
|
|
|
|
|
|
if (!mIOSurface) {
|
|
|
|
CGLError result = ::CGLCreatePBuffer(aWidth, aHeight,
|
|
|
|
GL_TEXTURE_2D, GL_RGBA, 0, &mPixelBuffer);
|
|
|
|
if (result != kCGLNoError) {
|
|
|
|
Destroy();
|
|
|
|
return NS_ERROR_FAILURE;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
GLint screen;
|
|
|
|
CGLPixelFormatObj format;
|
|
|
|
if (::CGLChoosePixelFormat(attributes, &format, &screen) != kCGLNoError) {
|
|
|
|
Destroy();
|
|
|
|
return NS_ERROR_FAILURE;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (::CGLCreateContext(format, nsnull, &mOpenGLContext) != kCGLNoError) {
|
|
|
|
Destroy();
|
|
|
|
return NS_ERROR_FAILURE;
|
|
|
|
}
|
|
|
|
::CGLDestroyPixelFormat(format);
|
|
|
|
|
|
|
|
caRenderer = [[CARenderer rendererWithCGLContext:mOpenGLContext
|
|
|
|
options:nil] retain];
|
|
|
|
mCARenderer = caRenderer;
|
|
|
|
if (caRenderer == nil) {
|
|
|
|
Destroy();
|
|
|
|
return NS_ERROR_FAILURE;
|
|
|
|
}
|
|
|
|
[layer setBounds:CGRectMake(0, 0, aWidth, aHeight)];
|
|
|
|
[layer setPosition:CGPointMake(aWidth/2.0, aHeight/2.0)];
|
|
|
|
caRenderer.layer = layer;
|
|
|
|
caRenderer.bounds = CGRectMake(0, 0, aWidth, aHeight);
|
|
|
|
|
|
|
|
// We either target rendering to a CGImage or IOSurface.
|
|
|
|
if (!mIOSurface) {
|
|
|
|
mCGData = malloc(aWidth*aHeight*4);
|
|
|
|
if (!mCGData) {
|
|
|
|
Destroy();
|
|
|
|
}
|
|
|
|
memset(mCGData, 0, aWidth*aHeight*4);
|
|
|
|
|
|
|
|
CGDataProviderRef dataProvider = nsnull;
|
|
|
|
dataProvider = ::CGDataProviderCreateWithData(mCGData,
|
|
|
|
mCGData, aHeight*aWidth*4,
|
|
|
|
cgdata_release_callback);
|
|
|
|
if (!dataProvider) {
|
|
|
|
cgdata_release_callback(mCGData, mCGData, aHeight*aWidth*4);
|
|
|
|
Destroy();
|
|
|
|
return NS_ERROR_FAILURE;
|
|
|
|
}
|
|
|
|
|
|
|
|
CGColorSpaceRef colorSpace = CreateSystemColorSpace();
|
|
|
|
|
|
|
|
mCGImage = ::CGImageCreate(aWidth, aHeight, 8, 32, aWidth * 4, colorSpace,
|
|
|
|
kCGImageAlphaPremultipliedFirst | kCGBitmapByteOrder32Host,
|
|
|
|
dataProvider, NULL, true, kCGRenderingIntentDefault);
|
|
|
|
|
|
|
|
::CGDataProviderRelease(dataProvider);
|
|
|
|
if (colorSpace) {
|
|
|
|
::CGColorSpaceRelease(colorSpace);
|
|
|
|
}
|
|
|
|
if (!mCGImage) {
|
|
|
|
Destroy();
|
|
|
|
return NS_ERROR_FAILURE;
|
|
|
|
}
|
|
|
|
} else {
|
|
|
|
CGLContextObj oldContext = ::CGLGetCurrentContext();
|
|
|
|
::CGLSetCurrentContext(mOpenGLContext);
|
|
|
|
|
|
|
|
// Create the IOSurface mapped texture.
|
|
|
|
::glGenTextures(1, &mIOTexture);
|
|
|
|
::glBindTexture(GL_TEXTURE_RECTANGLE_ARB, mIOTexture);
|
|
|
|
::glTexParameteri(GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
|
|
|
|
::glTexParameteri(GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
|
|
|
|
nsIOSurfaceLib::CGLTexImageIOSurface2D(mOpenGLContext, GL_TEXTURE_RECTANGLE_ARB,
|
|
|
|
GL_RGBA, aWidth, aHeight,
|
|
|
|
GL_BGRA, GL_UNSIGNED_INT_8_8_8_8_REV,
|
|
|
|
mIOSurface->mIOSurfacePtr, 0);
|
|
|
|
::glBindTexture(GL_TEXTURE_RECTANGLE_ARB, 0);
|
|
|
|
|
|
|
|
// Create the fbo
|
|
|
|
::glGenFramebuffersEXT(1, &mFBO);
|
|
|
|
::glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, mFBO);
|
|
|
|
::glFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT,
|
|
|
|
GL_TEXTURE_RECTANGLE_ARB, mIOTexture, 0);
|
|
|
|
|
|
|
|
// Make sure that the Framebuffer configuration is supported on the client machine
|
|
|
|
GLenum fboStatus;
|
|
|
|
fboStatus = ::glCheckFramebufferStatusEXT(GL_FRAMEBUFFER_EXT);
|
|
|
|
if (fboStatus != GL_FRAMEBUFFER_COMPLETE_EXT) {
|
2010-06-17 13:28:38 -07:00
|
|
|
NS_ERROR("FBO not supported");
|
2010-04-20 07:52:19 -07:00
|
|
|
if (oldContext)
|
|
|
|
::CGLSetCurrentContext(oldContext);
|
|
|
|
Destroy();
|
|
|
|
return NS_ERROR_FAILURE;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (oldContext)
|
|
|
|
::CGLSetCurrentContext(oldContext);
|
|
|
|
}
|
|
|
|
|
|
|
|
CGLContextObj oldContext = ::CGLGetCurrentContext();
|
|
|
|
::CGLSetCurrentContext(mOpenGLContext);
|
|
|
|
|
|
|
|
::glViewport(0.0, 0.0, aWidth, aHeight);
|
|
|
|
::glMatrixMode(GL_PROJECTION);
|
|
|
|
::glLoadIdentity();
|
|
|
|
::glOrtho (0.0, aWidth, 0.0, aHeight, -1, 1);
|
|
|
|
|
|
|
|
// Render upside down to speed up CGContextDrawImage
|
|
|
|
::glTranslatef(0.0f, aHeight, 0.0);
|
|
|
|
::glScalef(1.0, -1.0, 1.0);
|
|
|
|
|
|
|
|
GLenum result = ::glGetError();
|
|
|
|
if (result != GL_NO_ERROR) {
|
2010-06-17 13:28:38 -07:00
|
|
|
NS_ERROR("Unexpected OpenGL Error");
|
2010-04-20 07:52:19 -07:00
|
|
|
Destroy();
|
|
|
|
if (oldContext)
|
|
|
|
::CGLSetCurrentContext(oldContext);
|
|
|
|
return NS_ERROR_FAILURE;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (oldContext)
|
|
|
|
::CGLSetCurrentContext(oldContext);
|
|
|
|
|
|
|
|
return NS_OK;
|
|
|
|
}
|
|
|
|
|
|
|
|
void nsCARenderer::AttachIOSurface(nsIOSurface *aSurface) {
|
|
|
|
if (mIOSurface &&
|
|
|
|
aSurface->GetIOSurfaceID() == mIOSurface->GetIOSurfaceID()) {
|
|
|
|
delete aSurface;
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
if (mCARenderer) {
|
|
|
|
// We are attaching a larger IOSurface, we need to
|
|
|
|
// resize our elements.
|
|
|
|
Destroy();
|
|
|
|
}
|
|
|
|
if (mIOSurface)
|
|
|
|
delete mIOSurface;
|
|
|
|
|
|
|
|
mIOSurface = aSurface;
|
|
|
|
}
|
|
|
|
|
|
|
|
nsresult nsCARenderer::Render(int aWidth, int aHeight,
|
|
|
|
CGImageRef *aOutCGImage) {
|
2010-05-20 12:22:37 -07:00
|
|
|
if (!aOutCGImage && !mIOSurface) {
|
|
|
|
NS_ERROR("No target destination for rendering");
|
2010-04-20 07:52:19 -07:00
|
|
|
} else if (aOutCGImage) {
|
|
|
|
// We are expected to return a CGImageRef, we will set
|
|
|
|
// it to NULL in case we fail before the image is ready.
|
|
|
|
*aOutCGImage = NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (aWidth == 0 || aHeight == 0)
|
|
|
|
return NS_OK;
|
|
|
|
|
|
|
|
if (!mCARenderer) {
|
|
|
|
return NS_ERROR_FAILURE;
|
|
|
|
}
|
|
|
|
|
|
|
|
CARenderer* caRenderer = (CARenderer*)mCARenderer;
|
|
|
|
int renderer_width = caRenderer.bounds.size.width;
|
|
|
|
int renderer_height = caRenderer.bounds.size.height;
|
|
|
|
|
|
|
|
if (renderer_width != aWidth || renderer_height != aHeight) {
|
|
|
|
// XXX: This should be optimized to not rescale the buffer
|
|
|
|
// if we are resizing down.
|
|
|
|
CALayer* caLayer = [caRenderer layer];
|
|
|
|
Destroy();
|
|
|
|
if (SetupRenderer(caLayer, aWidth, aHeight) != NS_OK) {
|
|
|
|
return NS_ERROR_FAILURE;
|
|
|
|
}
|
|
|
|
caRenderer = (CARenderer*)mCARenderer;
|
|
|
|
}
|
|
|
|
|
|
|
|
CGLContextObj oldContext = ::CGLGetCurrentContext();
|
|
|
|
::CGLSetCurrentContext(mOpenGLContext);
|
|
|
|
if (!mIOSurface) {
|
|
|
|
::CGLSetPBuffer(mOpenGLContext, mPixelBuffer, 0, 0, 0);
|
|
|
|
}
|
|
|
|
|
|
|
|
GLenum result = ::glGetError();
|
|
|
|
if (result != GL_NO_ERROR) {
|
2010-06-17 13:28:38 -07:00
|
|
|
NS_ERROR("Unexpected OpenGL Error");
|
2010-04-20 07:52:19 -07:00
|
|
|
Destroy();
|
|
|
|
if (oldContext)
|
|
|
|
::CGLSetCurrentContext(oldContext);
|
|
|
|
return NS_ERROR_FAILURE;
|
|
|
|
}
|
|
|
|
|
|
|
|
::glClearColor(0.0, 0.0, 0.0, 0.0);
|
|
|
|
::glClear(GL_COLOR_BUFFER_BIT);
|
|
|
|
|
|
|
|
double caTime = ::CACurrentMediaTime();
|
|
|
|
[caRenderer beginFrameAtTime:caTime timeStamp:NULL];
|
|
|
|
[caRenderer addUpdateRect:CGRectMake(0,0, aWidth, aHeight)];
|
|
|
|
[caRenderer render];
|
|
|
|
[caRenderer endFrame];
|
|
|
|
|
|
|
|
// Read the data back either to the IOSurface or mCGImage.
|
|
|
|
if (mIOSurface) {
|
|
|
|
::glFlush();
|
|
|
|
} else {
|
|
|
|
::glPixelStorei(GL_PACK_ALIGNMENT, 4);
|
|
|
|
::glPixelStorei(GL_PACK_ROW_LENGTH, 0);
|
|
|
|
::glPixelStorei(GL_PACK_SKIP_ROWS, 0);
|
|
|
|
::glPixelStorei(GL_PACK_SKIP_PIXELS, 0);
|
|
|
|
|
|
|
|
::glReadPixels(0.0f, 0.0f, aWidth, aHeight,
|
|
|
|
GL_BGRA, GL_UNSIGNED_BYTE,
|
|
|
|
mCGData);
|
|
|
|
|
|
|
|
*aOutCGImage = mCGImage;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (oldContext) {
|
|
|
|
::CGLSetCurrentContext(oldContext);
|
|
|
|
}
|
|
|
|
|
|
|
|
return NS_OK;
|
|
|
|
}
|
|
|
|
|
|
|
|
nsresult nsCARenderer::DrawSurfaceToCGContext(CGContextRef aContext,
|
|
|
|
nsIOSurface *surf,
|
|
|
|
CGColorSpaceRef aColorSpace,
|
|
|
|
int aX, int aY,
|
2010-07-09 13:14:22 -07:00
|
|
|
int aWidth, int aHeight) {
|
2010-04-20 07:52:19 -07:00
|
|
|
surf->Lock();
|
|
|
|
size_t bytesPerRow = surf->GetBytesPerRow();
|
|
|
|
size_t ioWidth = surf->GetWidth();
|
|
|
|
size_t ioHeight = surf->GetHeight();
|
|
|
|
void* ioData = surf->GetBaseAddress();
|
|
|
|
CGDataProviderRef dataProvider = ::CGDataProviderCreateWithData(ioData,
|
|
|
|
ioData, ioHeight*(bytesPerRow)*4,
|
|
|
|
NULL); //No release callback
|
|
|
|
if (!dataProvider) {
|
|
|
|
surf->Unlock();
|
|
|
|
return NS_ERROR_FAILURE;
|
|
|
|
}
|
|
|
|
|
2010-06-08 21:12:06 -07:00
|
|
|
// We get rendering glitches if we use a width/height that falls
|
|
|
|
// outside of the IOSurface.
|
|
|
|
if (aWidth > ioWidth - aX)
|
|
|
|
aWidth = ioWidth - aX;
|
|
|
|
if (aHeight > ioHeight - aY)
|
|
|
|
aHeight = ioHeight - aY;
|
|
|
|
|
2010-04-20 07:52:19 -07:00
|
|
|
CGImageRef cgImage = ::CGImageCreate(ioWidth, ioHeight, 8, 32, bytesPerRow,
|
|
|
|
aColorSpace, kCGImageAlphaPremultipliedFirst | kCGBitmapByteOrder32Host,
|
|
|
|
dataProvider, NULL, true, kCGRenderingIntentDefault);
|
|
|
|
::CGDataProviderRelease(dataProvider);
|
|
|
|
if (!cgImage) {
|
|
|
|
surf->Unlock();
|
|
|
|
return NS_ERROR_FAILURE;
|
|
|
|
}
|
|
|
|
CGImageRef subImage = ::CGImageCreateWithImageInRect(cgImage,
|
|
|
|
::CGRectMake(aX, aY, aWidth, aHeight));
|
|
|
|
if (!subImage) {
|
|
|
|
::CGImageRelease(cgImage);
|
|
|
|
surf->Unlock();
|
|
|
|
return NS_ERROR_FAILURE;
|
|
|
|
}
|
|
|
|
|
|
|
|
::CGContextScaleCTM(aContext, 1.0f, -1.0f);
|
2010-06-08 21:12:06 -07:00
|
|
|
::CGContextDrawImage(aContext, CGRectMake(aX, -aY-aHeight, aWidth, aHeight), subImage);
|
2010-04-20 07:52:19 -07:00
|
|
|
|
|
|
|
::CGImageRelease(subImage);
|
|
|
|
::CGImageRelease(cgImage);
|
|
|
|
surf->Unlock();
|
|
|
|
return NS_OK;
|
|
|
|
}
|
|
|
|
|