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Issue #1751 -- Remove cocoa and uikit gfx and hal support code

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This commit is contained in:
Moonchild 2021-05-09 21:36:43 +00:00 • committed by roytam1
commit 215e93606d
12 changed files with 1 additions and 2493 deletions
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36
gfx/gl/ForceDiscreteGPUHelperCGL.h
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/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*-
* 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/. */
#ifndef ForceDiscreteGPUHelperCGL_h_
#define ForceDiscreteGPUHelperCGL_h_
#include <OpenGL/OpenGL.h>
/** This RAII helper guarantees that we're on the discrete GPU during its lifetime.
*
* As long as any ForceDiscreteGPUHelperCGL object is alive, we're on the discrete GPU.
*/
class ForceDiscreteGPUHelperCGL
{
CGLPixelFormatObj mPixelFormatObj;
public:
ForceDiscreteGPUHelperCGL()
{
// the code in this function is taken from Chromium, src/ui/gfx/gl/gl_context_cgl.cc, r122013
// BSD-style license, (c) The Chromium Authors
CGLPixelFormatAttribute attribs[1];
attribs[0] = static_cast<CGLPixelFormatAttribute>(0);
GLint num_pixel_formats = 0;
CGLChoosePixelFormat(attribs, &mPixelFormatObj, &num_pixel_formats);
}
~ForceDiscreteGPUHelperCGL()
{
CGLReleasePixelFormat(mPixelFormatObj);
}
};
#endif // ForceDiscreteGPUHelperCGL_h_

67
gfx/gl/GLContextCGL.h
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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* 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/. */
#ifndef GLCONTEXTCGL_H_
#define GLCONTEXTCGL_H_
#include "GLContext.h"
#include "OpenGL/OpenGL.h"
#ifdef __OBJC__
#include <AppKit/NSOpenGL.h>
#else
typedef void NSOpenGLContext;
#endif
namespace mozilla {
namespace gl {
class GLContextCGL : public GLContext
{
friend class GLContextProviderCGL;
NSOpenGLContext* const mContext;
public:
MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(GLContextCGL, override)
GLContextCGL(CreateContextFlags flags, const SurfaceCaps& caps,
NSOpenGLContext* context, bool isOffscreen, ContextProfile profile);
~GLContextCGL();
virtual GLContextType GetContextType() const override { return GLContextType::CGL; }
static GLContextCGL* Cast(GLContext* gl) {
MOZ_ASSERT(gl->GetContextType() == GLContextType::CGL);
return static_cast<GLContextCGL*>(gl);
}
bool Init() override;
NSOpenGLContext* GetNSOpenGLContext() const { return mContext; }
CGLContextObj GetCGLContext() const;
virtual bool MakeCurrentImpl(bool aForce) override;
virtual bool IsCurrent() override;
virtual GLenum GetPreferredARGB32Format() const override;
virtual bool SetupLookupFunction() override;
virtual bool IsDoubleBuffered() const override;
virtual bool SupportsRobustness() const override { return false; }
virtual bool SwapBuffers() override;
virtual void GetWSIInfo(nsCString* const out) const override;
};
} // namespace gl
} // namespace mozilla
#endif // GLCONTEXTCGL_H_

80
gfx/gl/GLContextEAGL.h
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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* 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/. */
#ifndef GLCONTEXTEAGL_H_
#define GLCONTEXTEAGL_H_
#include "GLContext.h"
#include <CoreGraphics/CoreGraphics.h>
#include <OpenGLES/EAGL.h>
namespace mozilla {
namespace gl {
class GLContextEAGL : public GLContext
{
friend class GLContextProviderEAGL;
EAGLContext* const mContext;
public:
MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(GLContextEAGL, override)
GLContextEAGL(CreateContextFlags flags, const SurfaceCaps& caps, EAGLContext* context,
GLContext* sharedContext, bool isOffscreen, ContextProfile profile);
~GLContextEAGL();
virtual GLContextType GetContextType() const override {
return GLContextType::EAGL;
}
static GLContextEAGL* Cast(GLContext* gl) {
MOZ_ASSERT(gl->GetContextType() == GLContextType::EAGL);
return static_cast<GLContextEAGL*>(gl);
}
bool Init() override;
bool AttachToWindow(nsIWidget* aWidget);
EAGLContext* GetEAGLContext() const { return mContext; }
virtual bool MakeCurrentImpl(bool aForce) override;
virtual bool IsCurrent() override;
virtual bool SetupLookupFunction() override;
virtual bool IsDoubleBuffered() const override;
virtual bool SupportsRobustness() const override { return false; }
virtual bool SwapBuffers() override;
virtual void GetWSIInfo(nsCString* const out) const override;
virtual GLuint GetDefaultFramebuffer() override {
return mBackbufferFB;
}
virtual bool RenewSurface(nsIWidget* aWidget) override {
// FIXME: should use the passed widget instead of the existing one.
return RecreateRB();
}
private:
GLuint mBackbufferRB;
GLuint mBackbufferFB;
void* mLayer;
bool RecreateRB();
};
} // namespace gl
} // namespace mozilla
#endif // GLCONTEXTEAGL_H_

397
gfx/gl/GLContextProviderCGL.mm
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/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*-
* 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 "GLContextProvider.h"
#include "GLContextCGL.h"
#include "nsDebug.h"
#include "nsIWidget.h"
#include <OpenGL/gl.h>
#include "gfxFailure.h"
#include "gfxPrefs.h"
#include "prenv.h"
#include "GeckoProfiler.h"
#include "mozilla/gfx/MacIOSurface.h"
#include "mozilla/widget/CompositorWidget.h"
#include <OpenGL/OpenGL.h>
// When running inside a VM, creating an accelerated OpenGL context usually
// fails. Uncomment this line to emulate that behavior.
// #define EMULATE_VM
namespace mozilla {
namespace gl {
using namespace mozilla::gfx;
using namespace mozilla::widget;
class CGLLibrary
{
public:
CGLLibrary()
: mInitialized(false)
, mUseDoubleBufferedWindows(true)
, mOGLLibrary(nullptr)
{}
bool EnsureInitialized()
{
if (mInitialized) {
return true;
}
if (!mOGLLibrary) {
mOGLLibrary = PR_LoadLibrary("/System/Library/Frameworks/OpenGL.framework/OpenGL");
if (!mOGLLibrary) {
NS_WARNING("Couldn't load OpenGL Framework.");
return false;
}
}
const char* db = PR_GetEnv("MOZ_CGL_DB");
if (db) {
mUseDoubleBufferedWindows = *db != '0';
}
mInitialized = true;
return true;
}
bool UseDoubleBufferedWindows() const {
MOZ_ASSERT(mInitialized);
return mUseDoubleBufferedWindows;
}
private:
bool mInitialized;
bool mUseDoubleBufferedWindows;
PRLibrary* mOGLLibrary;
};
CGLLibrary sCGLLibrary;
GLContextCGL::GLContextCGL(CreateContextFlags flags, const SurfaceCaps& caps,
NSOpenGLContext* context, bool isOffscreen,
ContextProfile profile)
: GLContext(flags, caps, nullptr, isOffscreen)
, mContext(context)
{
SetProfileVersion(profile, 210);
}
GLContextCGL::~GLContextCGL()
{
MarkDestroyed();
[mContext release];
}
bool
GLContextCGL::Init()
{
return InitWithPrefix("gl", true);
}
CGLContextObj
GLContextCGL::GetCGLContext() const
{
return static_cast<CGLContextObj>([mContext CGLContextObj]);
}
bool
GLContextCGL::MakeCurrentImpl(bool aForce)
{
if (IsDestroyed()) {
[NSOpenGLContext clearCurrentContext];
return false;
}
if (!aForce && [NSOpenGLContext currentContext] == mContext) {
return true;
}
if (mContext) {
[mContext makeCurrentContext];
MOZ_ASSERT(IsCurrent());
// Use non-blocking swap in "ASAP mode".
// ASAP mode means that rendering is iterated as fast as possible.
// ASAP mode is entered when layout.frame_rate=0 (requires restart).
// If swapInt is 1, then glSwapBuffers will block and wait for a vblank signal.
// When we're iterating as fast as possible, however, we want a non-blocking
// glSwapBuffers, which will happen when swapInt==0.
GLint swapInt = gfxPrefs::LayoutFrameRate() == 0 ? 0 : 1;
[mContext setValues:&swapInt forParameter:NSOpenGLCPSwapInterval];
}
return true;
}
bool
GLContextCGL::IsCurrent() {
return [NSOpenGLContext currentContext] == mContext;
}
GLenum
GLContextCGL::GetPreferredARGB32Format() const
{
return LOCAL_GL_BGRA;
}
bool
GLContextCGL::SetupLookupFunction()
{
return false;
}
bool
GLContextCGL::IsDoubleBuffered() const
{
return sCGLLibrary.UseDoubleBufferedWindows();
}
bool
GLContextCGL::SwapBuffers()
{
PROFILER_LABEL("GLContextCGL", "SwapBuffers",
js::ProfileEntry::Category::GRAPHICS);
[mContext flushBuffer];
return true;
}
void
GLContextCGL::GetWSIInfo(nsCString* const out) const
{
out->AppendLiteral("CGL");
}
already_AddRefed<GLContext>
GLContextProviderCGL::CreateWrappingExisting(void*, void*)
{
return nullptr;
}
static const NSOpenGLPixelFormatAttribute kAttribs_singleBuffered[] = {
NSOpenGLPFAAllowOfflineRenderers,
0
};
static const NSOpenGLPixelFormatAttribute kAttribs_singleBuffered_accel[] = {
NSOpenGLPFAAccelerated,
NSOpenGLPFAAllowOfflineRenderers,
0
};
static const NSOpenGLPixelFormatAttribute kAttribs_doubleBuffered[] = {
NSOpenGLPFAAllowOfflineRenderers,
NSOpenGLPFADoubleBuffer,
0
};
static const NSOpenGLPixelFormatAttribute kAttribs_doubleBuffered_accel[] = {
NSOpenGLPFAAccelerated,
NSOpenGLPFAAllowOfflineRenderers,
NSOpenGLPFADoubleBuffer,
0
};
static const NSOpenGLPixelFormatAttribute kAttribs_offscreen[] = {
0
};
static const NSOpenGLPixelFormatAttribute kAttribs_offscreen_allow_offline[] = {
NSOpenGLPFAAllowOfflineRenderers,
0
};
static const NSOpenGLPixelFormatAttribute kAttribs_offscreen_accel[] = {
NSOpenGLPFAAccelerated,
0
};
static const NSOpenGLPixelFormatAttribute kAttribs_offscreen_coreProfile[] = {
NSOpenGLPFAAccelerated,
NSOpenGLPFAOpenGLProfile, NSOpenGLProfileVersion3_2Core,
0
};
static NSOpenGLContext*
CreateWithFormat(const NSOpenGLPixelFormatAttribute* attribs)
{
NSOpenGLPixelFormat* format = [[NSOpenGLPixelFormat alloc]
initWithAttributes:attribs];
if (!format) {
NS_WARNING("Failed to create NSOpenGLPixelFormat.");
return nullptr;
}
NSOpenGLContext* context = [[NSOpenGLContext alloc] initWithFormat:format
shareContext:nullptr];
[format release];
return context;
}
already_AddRefed<GLContext>
GLContextProviderCGL::CreateForCompositorWidget(CompositorWidget* aCompositorWidget, bool aForceAccelerated)
{
return CreateForWindow(aCompositorWidget->RealWidget(), aForceAccelerated);
}
already_AddRefed<GLContext>
GLContextProviderCGL::CreateForWindow(nsIWidget* aWidget, bool aForceAccelerated)
{
if (!sCGLLibrary.EnsureInitialized()) {
return nullptr;
}
#ifdef EMULATE_VM
if (aForceAccelerated) {
return nullptr;
}
#endif
const NSOpenGLPixelFormatAttribute* attribs;
if (sCGLLibrary.UseDoubleBufferedWindows()) {
attribs = aForceAccelerated ? kAttribs_doubleBuffered_accel : kAttribs_doubleBuffered;
} else {
attribs = aForceAccelerated ? kAttribs_singleBuffered_accel : kAttribs_singleBuffered;
}
NSOpenGLContext* context = CreateWithFormat(attribs);
if (!context) {
return nullptr;
}
// make the context transparent
GLint opaque = 0;
[context setValues:&opaque forParameter:NSOpenGLCPSurfaceOpacity];
SurfaceCaps caps = SurfaceCaps::ForRGBA();
ContextProfile profile = ContextProfile::OpenGLCompatibility;
RefPtr<GLContextCGL> glContext = new GLContextCGL(CreateContextFlags::NONE, caps,
context, false, profile);
if (!glContext->Init()) {
glContext = nullptr;
[context release];
return nullptr;
}
return glContext.forget();
}
static already_AddRefed<GLContextCGL>
CreateOffscreenFBOContext(CreateContextFlags flags)
{
if (!sCGLLibrary.EnsureInitialized()) {
return nullptr;
}
ContextProfile profile;
NSOpenGLContext* context = nullptr;
if (!(flags & CreateContextFlags::REQUIRE_COMPAT_PROFILE)) {
profile = ContextProfile::OpenGLCore;
context = CreateWithFormat(kAttribs_offscreen_coreProfile);
}
if (!context) {
profile = ContextProfile::OpenGLCompatibility;
if (flags & CreateContextFlags::ALLOW_OFFLINE_RENDERER) {
if (gfxPrefs::RequireHardwareGL())
context = CreateWithFormat(kAttribs_singleBuffered);
else
context = CreateWithFormat(kAttribs_offscreen_allow_offline);
} else {
if (gfxPrefs::RequireHardwareGL())
context = CreateWithFormat(kAttribs_offscreen_accel);
else
context = CreateWithFormat(kAttribs_offscreen);
}
}
if (!context) {
NS_WARNING("Failed to create NSOpenGLContext.");
return nullptr;
}
SurfaceCaps dummyCaps = SurfaceCaps::Any();
RefPtr<GLContextCGL> glContext = new GLContextCGL(flags, dummyCaps, context, true,
profile);
if (gfxPrefs::GLMultithreaded()) {
CGLEnable(glContext->GetCGLContext(), kCGLCEMPEngine);
}
return glContext.forget();
}
already_AddRefed<GLContext>
GLContextProviderCGL::CreateHeadless(CreateContextFlags flags,
nsACString* const out_failureId)
{
RefPtr<GLContextCGL> gl;
gl = CreateOffscreenFBOContext(flags);
if (!gl) {
*out_failureId = NS_LITERAL_CSTRING("FEATURE_FAILURE_CGL_FBO");
return nullptr;
}
if (!gl->Init()) {
*out_failureId = NS_LITERAL_CSTRING("FEATURE_FAILURE_CGL_INIT");
NS_WARNING("Failed during Init.");
return nullptr;
}
return gl.forget();
}
already_AddRefed<GLContext>
GLContextProviderCGL::CreateOffscreen(const IntSize& size,
const SurfaceCaps& minCaps,
CreateContextFlags flags,
nsACString* const out_failureId)
{
RefPtr<GLContext> gl = CreateHeadless(flags, out_failureId);
if (!gl) {
return nullptr;
}
if (!gl->InitOffscreen(size, minCaps)) {
*out_failureId = NS_LITERAL_CSTRING("FEATURE_FAILURE_CGL_INIT");
return nullptr;
}
return gl.forget();
}
static RefPtr<GLContext> gGlobalContext;
GLContext*
GLContextProviderCGL::GetGlobalContext()
{
static bool triedToCreateContext = false;
if (!triedToCreateContext) {
triedToCreateContext = true;
MOZ_RELEASE_ASSERT(!gGlobalContext);
nsCString discardFailureId;
RefPtr<GLContext> temp = CreateHeadless(CreateContextFlags::NONE,
&discardFailureId);
gGlobalContext = temp;
if (!gGlobalContext) {
NS_WARNING("Couldn't init gGlobalContext.");
}
}
return gGlobalContext;
}
void
GLContextProviderCGL::Shutdown()
{
gGlobalContext = nullptr;
}
} /* namespace gl */
} /* namespace mozilla */

275
gfx/gl/GLContextProviderEAGL.mm
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/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*-
* 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 "GLContextProvider.h"
#include "GLContextEAGL.h"
#include "nsDebug.h"
#include "nsIWidget.h"
#include "gfxPrefs.h"
#include "gfxFailure.h"
#include "prenv.h"
#include "mozilla/Preferences.h"
#include "mozilla/widget/CompositorWidget.h"
#include "GeckoProfiler.h"
#import <UIKit/UIKit.h>
namespace mozilla {
namespace gl {
using namespace mozilla::widget;
GLContextEAGL::GLContextEAGL(CreateContextFlags flags, const SurfaceCaps& caps,
EAGLContext* context, GLContext* sharedContext,
bool isOffscreen, ContextProfile profile)
: GLContext(flags, caps, sharedContext, isOffscreen)
, mContext(context)
, mBackbufferRB(0)
, mBackbufferFB(0)
, mLayer(nil)
{
SetProfileVersion(ContextProfile::OpenGLES,
[context API] == kEAGLRenderingAPIOpenGLES3 ? 300 : 200);
}
GLContextEAGL::~GLContextEAGL()
{
if (MakeCurrent()) {
if (mBackbufferFB) {
fDeleteFramebuffers(1, &mBackbufferFB);
}
if (mBackbufferRB) {
fDeleteRenderbuffers(1, &mBackbufferRB);
}
}
mLayer = nil;
MarkDestroyed();
[mContext release];
}
bool
GLContextEAGL::Init()
{
return InitWithPrefix("gl", true);
}
bool
GLContextEAGL::AttachToWindow(nsIWidget* aWidget)
{
// This should only be called once
MOZ_ASSERT(!mBackbufferFB && !mBackbufferRB);
UIView* view =
reinterpret_cast<UIView*>(aWidget->GetNativeData(NS_NATIVE_WIDGET));
if (!view) {
MOZ_CRASH("no view!");
}
mLayer = [view layer];
fGenFramebuffers(1, &mBackbufferFB);
return RecreateRB();
}
bool
GLContextEAGL::RecreateRB()
{
MakeCurrent();
CAEAGLLayer* layer = (CAEAGLLayer*)mLayer;
if (mBackbufferRB) {
// It doesn't seem to be enough to just call renderbufferStorage: below,
// we apparently have to recreate the RB.
fDeleteRenderbuffers(1, &mBackbufferRB);
mBackbufferRB = 0;
}
fGenRenderbuffers(1, &mBackbufferRB);
fBindRenderbuffer(LOCAL_GL_RENDERBUFFER, mBackbufferRB);
[mContext renderbufferStorage:LOCAL_GL_RENDERBUFFER
fromDrawable:layer];
fBindFramebuffer(LOCAL_GL_FRAMEBUFFER, mBackbufferFB);
fFramebufferRenderbuffer(LOCAL_GL_FRAMEBUFFER, LOCAL_GL_COLOR_ATTACHMENT0,
LOCAL_GL_RENDERBUFFER, mBackbufferRB);
return LOCAL_GL_FRAMEBUFFER_COMPLETE == fCheckFramebufferStatus(LOCAL_GL_FRAMEBUFFER);
}
bool
GLContextEAGL::MakeCurrentImpl(bool aForce)
{
if (!aForce && [EAGLContext currentContext] == mContext) {
return true;
}
if (IsDestroyed()) {
[EAGLContext setCurrentContext:nil];
return false;
}
return [EAGLContext setCurrentContext:mContext];
}
bool
GLContextEAGL::IsCurrent() {
return [EAGLContext currentContext] == mContext;
}
bool
GLContextEAGL::SetupLookupFunction()
{
return false;
}
bool
GLContextEAGL::IsDoubleBuffered() const
{
return true;
}
bool
GLContextEAGL::SwapBuffers()
{
PROFILER_LABEL("GLContextEAGL", "SwapBuffers",
js::ProfileEntry::Category::GRAPHICS);
[mContext presentRenderbuffer:LOCAL_GL_RENDERBUFFER];
return true;
}
void
GLContextEAGL::GetWSIInfo(nsCString* const out) const
{
out->AppendLiteral("EAGL");
}
already_AddRefed<GLContext>
GLContextProviderEAGL::CreateWrappingExisting(void*, void*)
{
return nullptr;
}
static GLContextEAGL*
GetGlobalContextEAGL()
{
return static_cast<GLContextEAGL*>(GLContextProviderEAGL::GetGlobalContext());
}
static already_AddRefed<GLContext>
CreateEAGLContext(CreateContextFlags flags, bool aOffscreen, GLContextEAGL* sharedContext)
{
EAGLRenderingAPI apis[] = { kEAGLRenderingAPIOpenGLES3, kEAGLRenderingAPIOpenGLES2 };
// Try to create a GLES3 context if we can, otherwise fall back to GLES2
EAGLContext* context = nullptr;
for (EAGLRenderingAPI api : apis) {
if (sharedContext) {
context = [[EAGLContext alloc] initWithAPI:api
sharegroup:sharedContext->GetEAGLContext().sharegroup];
} else {
context = [[EAGLContext alloc] initWithAPI:api];
}
if (context) {
break;
}
}
if (!context) {
return nullptr;
}
SurfaceCaps caps = SurfaceCaps::ForRGBA();
ContextProfile profile = ContextProfile::OpenGLES;
RefPtr<GLContextEAGL> glContext = new GLContextEAGL(flags, caps, context,
sharedContext,
aOffscreen,
profile);
if (!glContext->Init()) {
glContext = nullptr;
return nullptr;
}
return glContext.forget();
}
already_AddRefed<GLContext>
GLContextProviderEAGL::CreateForCompositorWidget(CompositorWidget* aCompositorWidget, bool aForceAccelerated)
{
return CreateForWindow(aCompositorWidget->RealWidget(), aForceAccelerated);
}
already_AddRefed<GLContext>
GLContextProviderEAGL::CreateForWindow(nsIWidget* aWidget, bool aForceAccelerated)
{
RefPtr<GLContext> glContext = CreateEAGLContext(CreateContextFlags::NONE, false,
GetGlobalContextEAGL());
if (!glContext) {
return nullptr;
}
if (!GLContextEAGL::Cast(glContext)->AttachToWindow(aWidget)) {
return nullptr;
}
return glContext.forget();
}
already_AddRefed<GLContext>
GLContextProviderEAGL::CreateHeadless(CreateContextFlags flags,
nsACString* const out_failureId)
{
return CreateEAGLContext(flags, true, GetGlobalContextEAGL());
}
already_AddRefed<GLContext>
GLContextProviderEAGL::CreateOffscreen(const mozilla::gfx::IntSize& size,
const SurfaceCaps& caps,
CreateContextFlags flags,
nsACString* const out_failureId)
{
RefPtr<GLContext> glContext = CreateHeadless(flags, out_failureId);
if (!glContext->InitOffscreen(size, caps)) {
return nullptr;
}
return glContext.forget();
}
static RefPtr<GLContext> gGlobalContext;
GLContext*
GLContextProviderEAGL::GetGlobalContext()
{
static bool triedToCreateContext = false;
if (!triedToCreateContext) {
triedToCreateContext = true;
MOZ_RELEASE_ASSERT(!gGlobalContext, "GFX: Global GL context already initialized.");
RefPtr<GLContext> temp = CreateHeadless(CreateContextFlags::NONE);
gGlobalContext = temp;
if (!gGlobalContext) {
MOZ_CRASH("Failed to create global context");
}
}
return gGlobalContext;
}
void
GLContextProviderEAGL::Shutdown()
{
gGlobalContext = nullptr;
}
} /* namespace gl */
} /* namespace mozilla */

248
gfx/gl/SharedSurfaceIO.cpp
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/* -*- Mode: c++; c-basic-offset: 4; indent-tabs-mode: nil; tab-width: 40; -*- */
/* 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 "SharedSurfaceIO.h"
#include "GLContextCGL.h"
#include "mozilla/DebugOnly.h"
#include "mozilla/gfx/MacIOSurface.h"
#include "mozilla/layers/LayersSurfaces.h" // for SurfaceDescriptor, etc
#include "ScopedGLHelpers.h"
namespace mozilla {
namespace gl {
/*static*/ UniquePtr<SharedSurface_IOSurface>
SharedSurface_IOSurface::Create(const RefPtr<MacIOSurface>& ioSurf,
GLContext* gl,
bool hasAlpha)
{
MOZ_ASSERT(ioSurf);
MOZ_ASSERT(gl);
auto size = gfx::IntSize::Truncate(ioSurf->GetWidth(), ioSurf->GetHeight());
typedef SharedSurface_IOSurface ptrT;
UniquePtr<ptrT> ret( new ptrT(ioSurf, gl, size, hasAlpha) );
return Move(ret);
}
void
SharedSurface_IOSurface::ProducerReleaseImpl()
{
mGL->MakeCurrent();
mGL->fFlush();
}
bool
SharedSurface_IOSurface::CopyTexImage2D(GLenum target, GLint level, GLenum internalformat,
GLint x, GLint y, GLsizei width, GLsizei height,
GLint border)
{
/* Bug 896693 - OpenGL framebuffers that are backed by IOSurface on OSX expose a bug
* in glCopyTexImage2D --- internalformats GL_ALPHA, GL_LUMINANCE, GL_LUMINANCE_ALPHA
* return the wrong results. To work around, copy framebuffer to a temporary texture
* using GL_RGBA (which works), attach as read framebuffer and glCopyTexImage2D
* instead.
*/
// https://www.opengl.org/sdk/docs/man3/xhtml/glCopyTexImage2D.xml says that width or
// height set to 0 results in a NULL texture. Lets not do any work and punt to
// original glCopyTexImage2D, since the FBO below will fail when trying to attach a
// texture of 0 width or height.
if (width == 0 || height == 0)
return false;
switch (internalformat) {
case LOCAL_GL_ALPHA:
case LOCAL_GL_LUMINANCE:
case LOCAL_GL_LUMINANCE_ALPHA:
break;
default:
return false;
}
MOZ_ASSERT(mGL->IsCurrent());
ScopedTexture destTex(mGL);
{
ScopedBindTexture bindTex(mGL, destTex.Texture());
mGL->fTexParameteri(LOCAL_GL_TEXTURE_2D, LOCAL_GL_TEXTURE_MIN_FILTER,
LOCAL_GL_NEAREST);
mGL->fTexParameteri(LOCAL_GL_TEXTURE_2D, LOCAL_GL_TEXTURE_MAG_FILTER,
LOCAL_GL_NEAREST);
mGL->fTexParameteri(LOCAL_GL_TEXTURE_2D, LOCAL_GL_TEXTURE_WRAP_S,
LOCAL_GL_CLAMP_TO_EDGE);
mGL->fTexParameteri(LOCAL_GL_TEXTURE_2D, LOCAL_GL_TEXTURE_WRAP_T,
LOCAL_GL_CLAMP_TO_EDGE);
mGL->raw_fCopyTexImage2D(LOCAL_GL_TEXTURE_2D, 0, LOCAL_GL_RGBA, x, y, width,
height, 0);
}
ScopedFramebufferForTexture tmpFB(mGL, destTex.Texture(), LOCAL_GL_TEXTURE_2D);
ScopedBindFramebuffer bindFB(mGL, tmpFB.FB());
mGL->raw_fCopyTexImage2D(target, level, internalformat, x, y, width, height, border);
return true;
}
bool
SharedSurface_IOSurface::ReadPixels(GLint x, GLint y, GLsizei width, GLsizei height,
GLenum format, GLenum type, GLvoid* pixels)
{
// Calling glReadPixels when an IOSurface is bound to the current framebuffer
// can cause corruption in following glReadPixel calls (even if they aren't
// reading from an IOSurface).
// We workaround this by copying to a temporary texture, and doing the readback
// from that.
MOZ_ASSERT(mGL->IsCurrent());
ScopedTexture destTex(mGL);
{
ScopedFramebufferForTexture srcFB(mGL, ProdTexture(), ProdTextureTarget());
ScopedBindFramebuffer bindFB(mGL, srcFB.FB());
ScopedBindTexture bindTex(mGL, destTex.Texture());
mGL->raw_fCopyTexImage2D(LOCAL_GL_TEXTURE_2D, 0,
mHasAlpha ? LOCAL_GL_RGBA : LOCAL_GL_RGB,
x, y,
width, height, 0);
}
ScopedFramebufferForTexture destFB(mGL, destTex.Texture());
ScopedBindFramebuffer bindFB(mGL, destFB.FB());
mGL->raw_fReadPixels(0, 0, width, height, format, type, pixels);
return true;
}
static void
BackTextureWithIOSurf(GLContext* gl, GLuint tex, MacIOSurface* ioSurf)
{
MOZ_ASSERT(gl->IsCurrent());
ScopedBindTexture texture(gl, tex, LOCAL_GL_TEXTURE_RECTANGLE_ARB);
gl->fTexParameteri(LOCAL_GL_TEXTURE_RECTANGLE_ARB,
LOCAL_GL_TEXTURE_MIN_FILTER,
LOCAL_GL_LINEAR);
gl->fTexParameteri(LOCAL_GL_TEXTURE_RECTANGLE_ARB,
LOCAL_GL_TEXTURE_MAG_FILTER,
LOCAL_GL_LINEAR);
gl->fTexParameteri(LOCAL_GL_TEXTURE_RECTANGLE_ARB,
LOCAL_GL_TEXTURE_WRAP_S,
LOCAL_GL_CLAMP_TO_EDGE);
gl->fTexParameteri(LOCAL_GL_TEXTURE_RECTANGLE_ARB,
LOCAL_GL_TEXTURE_WRAP_T,
LOCAL_GL_CLAMP_TO_EDGE);
CGLContextObj cgl = GLContextCGL::Cast(gl)->GetCGLContext();
MOZ_ASSERT(cgl);
ioSurf->CGLTexImageIOSurface2D(cgl);
}
SharedSurface_IOSurface::SharedSurface_IOSurface(const RefPtr<MacIOSurface>& ioSurf,
GLContext* gl,
const gfx::IntSize& size,
bool hasAlpha)
: SharedSurface(SharedSurfaceType::IOSurface,
AttachmentType::GLTexture,
gl,
size,
hasAlpha,
true)
, mIOSurf(ioSurf)
{
gl->MakeCurrent();
mProdTex = 0;
gl->fGenTextures(1, &mProdTex);
BackTextureWithIOSurf(gl, mProdTex, mIOSurf);
}
SharedSurface_IOSurface::~SharedSurface_IOSurface()
{
if (!mGL || !mGL->MakeCurrent())
return;
mGL->fDeleteTextures(1, &mProdTex);
}
bool
SharedSurface_IOSurface::ToSurfaceDescriptor(layers::SurfaceDescriptor* const out_descriptor)
{
bool isOpaque = !mHasAlpha;
*out_descriptor = layers::SurfaceDescriptorMacIOSurface(mIOSurf->GetIOSurfaceID(),
mIOSurf->GetContentsScaleFactor(),
isOpaque);
return true;
}
bool
SharedSurface_IOSurface::ReadbackBySharedHandle(gfx::DataSourceSurface* out_surface)
{
MOZ_ASSERT(out_surface);
mIOSurf->Lock();
size_t bytesPerRow = mIOSurf->GetBytesPerRow();
size_t ioWidth = mIOSurf->GetDevicePixelWidth();
size_t ioHeight = mIOSurf->GetDevicePixelHeight();
const unsigned char* ioData = (unsigned char*)mIOSurf->GetBaseAddress();
gfx::DataSourceSurface::ScopedMap map(out_surface, gfx::DataSourceSurface::WRITE);
if (!map.IsMapped()) {
mIOSurf->Unlock();
return false;
}
for (size_t i = 0; i < ioHeight; i++) {
memcpy(map.GetData() + i * map.GetStride(),
ioData + i * bytesPerRow, ioWidth * 4);
}
mIOSurf->Unlock();
return true;
}
////////////////////////////////////////////////////////////////////////
// SurfaceFactory_IOSurface
/*static*/ UniquePtr<SurfaceFactory_IOSurface>
SurfaceFactory_IOSurface::Create(GLContext* gl, const SurfaceCaps& caps,
const RefPtr<layers::LayersIPCChannel>& allocator,
const layers::TextureFlags& flags)
{
auto maxDims = gfx::IntSize::Truncate(MacIOSurface::GetMaxWidth(),
MacIOSurface::GetMaxHeight());
typedef SurfaceFactory_IOSurface ptrT;
UniquePtr<ptrT> ret( new ptrT(gl, caps, allocator, flags, maxDims) );
return Move(ret);
}
UniquePtr<SharedSurface>
SurfaceFactory_IOSurface::CreateShared(const gfx::IntSize& size)
{
if (size.width > mMaxDims.width ||
size.height > mMaxDims.height)
{
return nullptr;
}
bool hasAlpha = mReadCaps.alpha;
RefPtr<MacIOSurface> ioSurf;
ioSurf = MacIOSurface::CreateIOSurface(size.width, size.height, 1.0,
hasAlpha);
if (!ioSurf) {
NS_WARNING("Failed to create MacIOSurface.");
return nullptr;
}
return SharedSurface_IOSurface::Create(ioSurf, mGL, hasAlpha);
}
} // namespace gl
} // namespace mozilla

100
gfx/gl/SharedSurfaceIO.h
View file

@ -1,100 +0,0 @@
/* -*- Mode: c++; c-basic-offset: 4; indent-tabs-mode: nil; tab-width: 40; -*- */
/* 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/. */
#ifndef SHARED_SURFACEIO_H_
#define SHARED_SURFACEIO_H_
#include "mozilla/RefPtr.h"
#include "SharedSurface.h"
class MacIOSurface;
namespace mozilla {
namespace gl {
class SharedSurface_IOSurface : public SharedSurface
{
private:
const RefPtr<MacIOSurface> mIOSurf;
GLuint mProdTex;
public:
static UniquePtr<SharedSurface_IOSurface> Create(const RefPtr<MacIOSurface>& ioSurf,
GLContext* gl,
bool hasAlpha);
private:
SharedSurface_IOSurface(const RefPtr<MacIOSurface>& ioSurf,
GLContext* gl, const gfx::IntSize& size,
bool hasAlpha);
public:
~SharedSurface_IOSurface();
virtual void LockProdImpl() override { }
virtual void UnlockProdImpl() override { }
virtual void ProducerAcquireImpl() override {}
virtual void ProducerReleaseImpl() override;
virtual bool CopyTexImage2D(GLenum target, GLint level, GLenum internalformat,
GLint x, GLint y, GLsizei width, GLsizei height,
GLint border) override;
virtual bool ReadPixels(GLint x, GLint y, GLsizei width, GLsizei height,
GLenum format, GLenum type, GLvoid* pixels) override;
virtual GLuint ProdTexture() override {
return mProdTex;
}
virtual GLenum ProdTextureTarget() const override {
return LOCAL_GL_TEXTURE_RECTANGLE_ARB;
}
static SharedSurface_IOSurface* Cast(SharedSurface* surf) {
MOZ_ASSERT(surf->mType == SharedSurfaceType::IOSurface);
return static_cast<SharedSurface_IOSurface*>(surf);
}
MacIOSurface* GetIOSurface() const {
return mIOSurf;
}
virtual bool NeedsIndirectReads() const override {
return true;
}
virtual bool ToSurfaceDescriptor(layers::SurfaceDescriptor* const out_descriptor) override;
virtual bool ReadbackBySharedHandle(gfx::DataSourceSurface* out_surface) override;
};
class SurfaceFactory_IOSurface : public SurfaceFactory
{
public:
// Infallible.
static UniquePtr<SurfaceFactory_IOSurface> Create(GLContext* gl,
const SurfaceCaps& caps,
const RefPtr<layers::LayersIPCChannel>& allocator,
const layers::TextureFlags& flags);
protected:
const gfx::IntSize mMaxDims;
SurfaceFactory_IOSurface(GLContext* gl, const SurfaceCaps& caps,
const RefPtr<layers::LayersIPCChannel>& allocator,
const layers::TextureFlags& flags,
const gfx::IntSize& maxDims)
: SurfaceFactory(SharedSurfaceType::IOSurface, gl, caps, allocator, flags)
, mMaxDims(maxDims)
{ }
virtual UniquePtr<SharedSurface> CreateShared(const gfx::IntSize& size) override;
};
} // namespace gl
} /* namespace mozilla */
#endif /* SHARED_SURFACEIO_H_ */

32
gfx/gl/moz.build
View file

@ -7,10 +7,6 @@ gl_provider = 'Null'
if CONFIG['MOZ_WIDGET_TOOLKIT'] == 'windows': if CONFIG['MOZ_WIDGET_TOOLKIT'] == 'windows':
gl_provider = 'WGL' gl_provider = 'WGL'
elif CONFIG['MOZ_WIDGET_TOOLKIT'] == 'cocoa':
gl_provider = 'CGL'
elif CONFIG['MOZ_WIDGET_TOOLKIT'] == 'uikit':
gl_provider = 'EAGL'
elif 'gtk' in CONFIG['MOZ_WIDGET_TOOLKIT']: elif 'gtk' in CONFIG['MOZ_WIDGET_TOOLKIT']:
if CONFIG['MOZ_EGL_XRENDER_COMPOSITE']: if CONFIG['MOZ_EGL_XRENDER_COMPOSITE']:
gl_provider = 'EGL' gl_provider = 'EGL'
@ -23,7 +19,6 @@ if CONFIG['MOZ_GL_PROVIDER']:
EXPORTS += [ EXPORTS += [
'DecomposeIntoNoRepeatTriangles.h', 'DecomposeIntoNoRepeatTriangles.h',
'EGLUtils.h', 'EGLUtils.h',
'ForceDiscreteGPUHelperCGL.h',
'GfxTexturesReporter.h', 'GfxTexturesReporter.h',
'GLBlitHelper.h', 'GLBlitHelper.h',
'GLConsts.h', 'GLConsts.h',
@ -78,32 +73,7 @@ if CONFIG['MOZ_ENABLE_SKIA_GPU']:
# Suppress warnings from Skia header files. # Suppress warnings from Skia header files.
SOURCES['SkiaGLGlue.cpp'].flags += ['-Wno-implicit-fallthrough'] SOURCES['SkiaGLGlue.cpp'].flags += ['-Wno-implicit-fallthrough']
if gl_provider == 'CGL': if gl_provider == 'GLX':
# These files include Mac headers that are unfriendly to unified builds
SOURCES += [
"GLContextProviderCGL.mm",
]
EXPORTS += [
'GLContextCGL.h',
'SharedSurfaceIO.h',
]
# SharedSurfaceIO.cpp includes MacIOSurface.h which include Mac headers
# which define Size and Point types in root namespace with often conflict with
# our own types. While I haven't actually hit this issue in the present case,
# it's been an issue in gfx/layers so let's not risk it.
SOURCES += [
'SharedSurfaceIO.cpp',
]
elif gl_provider == 'EAGL':
# These files include ObjC headers that are unfriendly to unified builds
SOURCES += [
'GLContextProviderEAGL.mm',
]
EXPORTS += [
'GLContextEAGL.h',
]
elif gl_provider == 'GLX':
# GLContextProviderGLX.cpp needs to be kept out of UNIFIED_SOURCES # GLContextProviderGLX.cpp needs to be kept out of UNIFIED_SOURCES
# as it includes X11 headers which cause conflicts. # as it includes X11 headers which cause conflicts.
SOURCES += [ SOURCES += [

149
hal/cocoa/CocoaSensor.mm
View file

@ -1,149 +0,0 @@
/* 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 "Hal.h"
#include "nsITimer.h"
#include "smslib.h"
#include "nsComponentManagerUtils.h"
#include <mach/mach.h>
#include <cmath>
#import <IOKit/IOKitLib.h>
#define MEAN_GRAVITY 9.80665
#define DEFAULT_SENSOR_POLL 100
using namespace mozilla::hal;
namespace mozilla {
namespace hal_impl {
static nsITimer* sUpdateTimer = nullptr;
static bool sActiveSensors[NUM_SENSOR_TYPE];
static io_connect_t sDataPort = IO_OBJECT_NULL;
static uint64_t sLastMean = -1;
static float
LMUvalueToLux(uint64_t aValue)
{
//Conversion formula from regression. See Bug 793728.
// -3*(10^-27)*x^4 + 2.6*(10^-19)*x^3 + -3.4*(10^-12)*x^2 + 3.9*(10^-5)*x - 0.19
long double powerC4 = 1/pow((long double)10,27);
long double powerC3 = 1/pow((long double)10,19);
long double powerC2 = 1/pow((long double)10,12);
long double powerC1 = 1/pow((long double)10,5);
long double term4 = -3.0 * powerC4 * pow(aValue,4);
long double term3 = 2.6 * powerC3 * pow(aValue,3);
long double term2 = -3.4 * powerC2 * pow(aValue,2);
long double term1 = 3.9 * powerC1 * aValue;
float lux = ceil(static_cast<float>(term4 + term3 + term2 + term1 - 0.19));
return lux > 0 ? lux : 0;
}
void
UpdateHandler(nsITimer *aTimer, void *aClosure)
{
for (int i = 0; i < NUM_SENSOR_TYPE; i++) {
if (!sActiveSensors[i]) {
continue;
}
SensorType sensor = static_cast<SensorType>(i);
InfallibleTArray<float> values;
if (sensor == SENSOR_ACCELERATION) {
sms_acceleration accel;
smsGetData(&accel);
values.AppendElement(accel.x * MEAN_GRAVITY);
values.AppendElement(accel.y * MEAN_GRAVITY);
values.AppendElement(accel.z * MEAN_GRAVITY);
} else if (sensor == SENSOR_LIGHT && sDataPort != IO_OBJECT_NULL) {
kern_return_t kr;
uint32_t outputs = 2;
uint64_t lightLMU[outputs];
kr = IOConnectCallMethod(sDataPort, 0, nil, 0, nil, 0, lightLMU, &outputs, nil, 0);
if (kr == KERN_SUCCESS) {
uint64_t mean = (lightLMU[0] + lightLMU[1]) / 2;
if (mean == sLastMean) {
continue;
}
sLastMean = mean;
values.AppendElement(LMUvalueToLux(mean));
} else if (kr == kIOReturnBusy) {
continue;
}
}
hal::SensorData sdata(sensor,
PR_Now(),
values,
hal::SENSOR_ACCURACY_UNKNOWN);
hal::NotifySensorChange(sdata);
}
}
void
EnableSensorNotifications(SensorType aSensor)
{
if (aSensor == SENSOR_ACCELERATION) {
int result = smsStartup(nil, nil);
if (result != SMS_SUCCESS) {
return;
}
if (!smsLoadCalibration()) {
return;
}
} else if (aSensor == SENSOR_LIGHT) {
io_service_t serviceObject;
serviceObject = IOServiceGetMatchingService(kIOMasterPortDefault,
IOServiceMatching("AppleLMUController"));
if (!serviceObject) {
return;
}
kern_return_t kr;
kr = IOServiceOpen(serviceObject, mach_task_self(), 0, &sDataPort);
IOObjectRelease(serviceObject);
if (kr != KERN_SUCCESS) {
return;
}
} else {
NS_WARNING("EnableSensorNotifications called on an unknown sensor type");
return;
}
sActiveSensors[aSensor] = true;
if (!sUpdateTimer) {
CallCreateInstance("@mozilla.org/timer;1", &sUpdateTimer);
if (sUpdateTimer) {
sUpdateTimer->InitWithFuncCallback(UpdateHandler,
nullptr,
DEFAULT_SENSOR_POLL,
nsITimer::TYPE_REPEATING_SLACK);
}
}
}
void
DisableSensorNotifications(SensorType aSensor)
{
if (!sActiveSensors[aSensor] || (aSensor != SENSOR_ACCELERATION && aSensor != SENSOR_LIGHT)) {
return;
}
sActiveSensors[aSensor] = false;
if (aSensor == SENSOR_ACCELERATION) {
smsShutdown();
} else if (aSensor == SENSOR_LIGHT) {
IOServiceClose(sDataPort);
}
// If all sensors are disabled, cancel the update timer.
if (sUpdateTimer) {
for (int i = 0; i < NUM_SENSOR_TYPE; i++) {
if (sActiveSensors[i]) {
return;
}
}
sUpdateTimer->Cancel();
NS_RELEASE(sUpdateTimer);
}
}
} // namespace hal_impl
} // namespace mozilla

159
hal/cocoa/smslib.h
View file

@ -1,159 +0,0 @@
/*
* smslib.h
*
* SMSLib Sudden Motion Sensor Access Library
* Copyright (c) 2010 Suitable Systems
* All rights reserved.
*
* Developed by: Daniel Griscom
* Suitable Systems
* http://www.suitable.com
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
* "Software"), to deal with the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* - Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimers.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimers in the
* documentation and/or other materials provided with the distribution.
*
* - Neither the names of Suitable Systems nor the names of its
* contributors may be used to endorse or promote products derived from
* this Software without specific prior written permission.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE CONTRIBUTORS OR COPYRIGHT HOLDERS BE LIABLE FOR
* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS WITH THE SOFTWARE.
*
* For more information about SMSLib, see
* <http://www.suitable.com/tools/smslib.html>
* or contact
* Daniel Griscom
* Suitable Systems
* 1 Centre Street, Suite 204
* Wakefield, MA 01880
* (781) 665-0053
*
*/
#import <Foundation/Foundation.h>
#define SMSLIB_VERSION "1.8"
#pragma mark Structure definitions
// Structure for specifying a 3-axis acceleration. 0.0 means "zero gravities",
// 1.0 means "one gravity".
typedef struct sms_acceleration {
float x; // Right-left acceleration (positive is rightwards)
float y; // Front-rear acceleration (positive is rearwards)
float z; // Up-down acceleration (positive is upwards)
} sms_acceleration;
// Structure for specifying a calibration.
typedef struct sms_calibration {
float zeros[3]; // Zero points for three axes (X, Y, Z)
float onegs[3]; // One gravity values for three axes
} sms_calibration;
#pragma mark Return value definitions
// These are the return values for accelStartup(), giving the
// various stages where the most successful attempt at accessing
// the accelerometer failed. The higher the value, the further along the
// software progressed before failing. The options are:
// - Didn't match model name
#define SMS_FAIL_MODEL (-7)
// - Failure getting dictionary matching desired services
#define SMS_FAIL_DICTIONARY (-6)
// - Failure getting list of services
#define SMS_FAIL_LIST_SERVICES (-5)
// - Failure if list of services is empty. The process generally fails
// here if run on a machine without a Sudden Motion Sensor.
#define SMS_FAIL_NO_SERVICES (-4)
// - Failure if error opening device.
#define SMS_FAIL_OPENING (-3)
// - Failure if opened, but didn't get a connection
#define SMS_FAIL_CONNECTION (-2)
// - Failure if couldn't access connction using given function and size. This
// is where the process would probably fail with a change in Apple's API.
// Driver problems often also cause failures here.
#define SMS_FAIL_ACCESS (-1)
// - Success!
#define SMS_SUCCESS (0)
#pragma mark Function declarations
// This starts up the accelerometer code, trying each possible sensor
// specification. Note that for logging purposes it
// takes an object and a selector; the object's selector is then invoked
// with a single NSString as argument giving progress messages. Example
// logging method:
// - (void)logMessage: (NSString *)theString
// which would be used in accelStartup's invocation thusly:
// result = accelStartup(self, @selector(logMessage:));
// If the object is nil, then no logging is done. Sets calibation from built-in
// value table. Returns ACCEL_SUCCESS for success, and other (negative)
// values for various failures (returns value indicating result of
// most successful trial).
int smsStartup(id logObject, SEL logSelector);
// This starts up the library in debug mode, ignoring the actual hardware.
// Returned data is in the form of 1Hz sine waves, with the X, Y and Z
// axes 120 degrees out of phase; "calibrated" data has range +/- (1.0/5);
// "uncalibrated" data has range +/- (256/5). X and Y axes centered on 0.0,
// Z axes centered on 1 (calibrated) or 256 (uncalibrated).
// Don't use smsGetBufferLength or smsGetBufferData. Always returns SMS_SUCCESS.
int smsDebugStartup(id logObject, SEL logSelector);
// Returns the current calibration values.
void smsGetCalibration(sms_calibration *calibrationRecord);
// Sets the calibration, but does NOT store it as a preference. If the argument
// is nil then the current calibration is set from the built-in value table.
void smsSetCalibration(sms_calibration *calibrationRecord);
// Stores the current calibration values as a stored preference.
void smsStoreCalibration(void);
// Loads the stored preference values into the current calibration.
// Returns YES if successful.
BOOL smsLoadCalibration(void);
// Deletes any stored calibration, and then takes the current calibration values
// from the built-in value table.
void smsDeleteCalibration(void);
// Fills in the accel record with calibrated acceleration data. Takes
// 1-2ms to return a value. Returns 0 if success, error number if failure.
int smsGetData(sms_acceleration *accel);
// Fills in the accel record with uncalibrated acceleration data.
// Returns 0 if success, error number if failure.
int smsGetUncalibratedData(sms_acceleration *accel);
// Returns the length of a raw block of data for the current type of sensor.
int smsGetBufferLength(void);
// Takes a pointer to accelGetRawLength() bytes; sets those bytes
// to return value from sensor. Make darn sure the buffer length is right!
void smsGetBufferData(char *buffer);
// This returns an NSString describing the current calibration in
// human-readable form. Also include a description of the machine.
NSString *smsGetCalibrationDescription(void);
// Shuts down the accelerometer.
void smsShutdown(void);

938
hal/cocoa/smslib.mm
View file

@ -1,938 +0,0 @@
/*
* smslib.m
*
* SMSLib Sudden Motion Sensor Access Library
* Copyright (c) 2010 Suitable Systems
* All rights reserved.
*
* Developed by: Daniel Griscom
* Suitable Systems
* http://www.suitable.com
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
* "Software"), to deal with the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* - Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimers.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimers in the
* documentation and/or other materials provided with the distribution.
*
* - Neither the names of Suitable Systems nor the names of its
* contributors may be used to endorse or promote products derived from
* this Software without specific prior written permission.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE CONTRIBUTORS OR COPYRIGHT HOLDERS BE LIABLE FOR
* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS WITH THE SOFTWARE.
*
* For more information about SMSLib, see
* <http://www.suitable.com/tools/smslib.html>
* or contact
* Daniel Griscom
* Suitable Systems
* 1 Centre Street, Suite 204
* Wakefield, MA 01880
* (781) 665-0053
*
*/
#import <IOKit/IOKitLib.h>
#import <sys/sysctl.h>
#import <math.h>
#import "smslib.h"
#pragma mark Internal structures
// Represents a single axis of a type of sensor.
typedef struct axisStruct {
int enabled; // Non-zero if axis is valid in this sensor
int index; // Location in struct of first byte
int size; // Number of bytes
float zerog; // Value meaning "zero g"
float oneg; // Change in value meaning "increase of one g"
// (can be negative if axis sensor reversed)
} axisStruct;
// Represents the configuration of a type of sensor.
typedef struct sensorSpec {
const char *model; // Prefix of model to be tested
const char *name; // Name of device to be read
unsigned int function; // Kernel function index
int recordSize; // Size of record to be sent/received
axisStruct axes[3]; // Description of three axes (X, Y, Z)
} sensorSpec;
// Configuration of all known types of sensors. The configurations are
// tried in order until one succeeds in returning data.
// All default values are set here, but each axis' zerog and oneg values
// may be changed to saved (calibrated) values.
//
// These values came from SeisMaCalibrate calibration reports. In general I've
// found the following:
// - All Intel-based SMSs have 250 counts per g, centered on 0, but the signs
// are different (and in one case two axes are swapped)
// - PowerBooks and iBooks all have sensors centered on 0, and reading
// 50-53 steps per gravity (but with differing polarities!)
// - PowerBooks and iBooks of the same model all have the same axis polarities
// - PowerBook and iBook access methods are model- and OS version-specific
//
// So, the sequence of tests is:
// - Try model-specific access methods. Note that the test is for a match to the
// beginning of the model name, e.g. the record with model name "MacBook"
// matches computer models "MacBookPro1,2" and "MacBook1,1" (and ""
// matches any model).
// - If no model-specific record's access fails, then try each model-independent
// access method in order, stopping when one works.
static const sensorSpec sensors[] = {
// ****** Model-dependent methods ******
// The PowerBook5,6 is one of the G4 models that seems to lose
// SMS access until the next reboot.
{"PowerBook5,6", "IOI2CMotionSensor", 21, 60, {
{1, 0, 1, 0, 51.5},
{1, 1, 1, 0, -51.5},
{1, 2, 1, 0, -51.5}
}
},
// The PowerBook5,7 is one of the G4 models that seems to lose
// SMS access until the next reboot.
{"PowerBook5,7", "IOI2CMotionSensor", 21, 60, {
{1, 0, 1, 0, 51.5},
{1, 1, 1, 0, 51.5},
{1, 2, 1, 0, 51.5}
}
},
// Access seems to be reliable on the PowerBook5,8
{"PowerBook5,8", "PMUMotionSensor", 21, 60, {
{1, 0, 1, 0, -51.5},
{1, 1, 1, 0, 51.5},
{1, 2, 1, 0, -51.5}
}
},
// Access seems to be reliable on the PowerBook5,9
{"PowerBook5,9", "PMUMotionSensor", 21, 60, {
{1, 0, 1, 0, 51.5},
{1, 1, 1, 0, -51.5},
{1, 2, 1, 0, -51.5}
}
},
// The PowerBook6,7 is one of the G4 models that seems to lose
// SMS access until the next reboot.
{"PowerBook6,7", "IOI2CMotionSensor", 21, 60, {
{1, 0, 1, 0, 51.5},
{1, 1, 1, 0, 51.5},
{1, 2, 1, 0, 51.5}
}
},
// The PowerBook6,8 is one of the G4 models that seems to lose
// SMS access until the next reboot.
{"PowerBook6,8", "IOI2CMotionSensor", 21, 60, {
{1, 0, 1, 0, 51.5},
{1, 1, 1, 0, 51.5},
{1, 2, 1, 0, 51.5}
}
},
// MacBook Pro Core 2 Duo 17". Note the reversed Y and Z axes.
{"MacBookPro2,1", "SMCMotionSensor", 5, 40, {
{1, 0, 2, 0, 251},
{1, 2, 2, 0, -251},
{1, 4, 2, 0, -251}
}
},
// MacBook Pro Core 2 Duo 15" AND 17" with LED backlight, introduced June '07.
// NOTE! The 17" machines have the signs of their X and Y axes reversed
// from this calibration, but there's no clear way to discriminate between
// the two machines.
{"MacBookPro3,1", "SMCMotionSensor", 5, 40, {
{1, 0, 2, 0, -251},
{1, 2, 2, 0, 251},
{1, 4, 2, 0, -251}
}
},
// ... specs?
{"MacBook5,2", "SMCMotionSensor", 5, 40, {
{1, 0, 2, 0, -251},
{1, 2, 2, 0, 251},
{1, 4, 2, 0, -251}
}
},
// ... specs?
{"MacBookPro5,1", "SMCMotionSensor", 5, 40, {
{1, 0, 2, 0, -251},
{1, 2, 2, 0, -251},
{1, 4, 2, 0, 251}
}
},
// ... specs?
{"MacBookPro5,2", "SMCMotionSensor", 5, 40, {
{1, 0, 2, 0, -251},
{1, 2, 2, 0, -251},
{1, 4, 2, 0, 251}
}
},
// This is speculative, based on a single user's report. Looks like the X and Y axes
// are swapped. This is true for no other known Appple laptop.
{"MacBookPro5,3", "SMCMotionSensor", 5, 40, {
{1, 2, 2, 0, -251},
{1, 0, 2, 0, -251},
{1, 4, 2, 0, -251}
}
},
// ... specs?
{"MacBookPro5,4", "SMCMotionSensor", 5, 40, {
{1, 0, 2, 0, -251},
{1, 2, 2, 0, -251},
{1, 4, 2, 0, 251}
}
},
// ****** Model-independent methods ******
// Seen once with PowerBook6,8 under system 10.3.9; I suspect
// other G4-based 10.3.* systems might use this
{"", "IOI2CMotionSensor", 24, 60, {
{1, 0, 1, 0, 51.5},
{1, 1, 1, 0, 51.5},
{1, 2, 1, 0, 51.5}
}
},
// PowerBook5,6 , PowerBook5,7 , PowerBook6,7 , PowerBook6,8
// under OS X 10.4.*
{"", "IOI2CMotionSensor", 21, 60, {
{1, 0, 1, 0, 51.5},
{1, 1, 1, 0, 51.5},
{1, 2, 1, 0, 51.5}
}
},
// PowerBook5,8 , PowerBook5,9 under OS X 10.4.*
{"", "PMUMotionSensor", 21, 60, {
// Each has two out of three gains negative, but it's different
// for the different models. So, this will be right in two out
// of three axis for either model.
{1, 0, 1, 0, -51.5},
{1, 1, 1, -6, -51.5},
{1, 2, 1, 0, -51.5}
}
},
// All MacBook, MacBookPro models. Hardware (at least on early MacBookPro 15")
// is Kionix KXM52-1050 three-axis accelerometer chip. Data is at
// http://kionix.com/Product-Index/product-index.htm. Specific MB and MBP models
// that use this are:
// MacBook1,1
// MacBook2,1
// MacBook3,1
// MacBook4,1
// MacBook5,1
// MacBook6,1
// MacBookAir1,1
// MacBookPro1,1
// MacBookPro1,2
// MacBookPro4,1
// MacBookPro5,5
{"", "SMCMotionSensor", 5, 40, {
{1, 0, 2, 0, 251},
{1, 2, 2, 0, 251},
{1, 4, 2, 0, 251}
}
}
};
#define SENSOR_COUNT (sizeof(sensors)/sizeof(sensorSpec))
#pragma mark Internal prototypes
static int getData(sms_acceleration *accel, int calibrated, id logObject, SEL logSelector);
static float getAxis(int which, int calibrated);
static int signExtend(int value, int size);
static NSString *getModelName(void);
static NSString *getOSVersion(void);
static BOOL loadCalibration(void);
static void storeCalibration(void);
static void defaultCalibration(void);
static void deleteCalibration(void);
static int prefIntRead(NSString *prefName, BOOL *success);
static void prefIntWrite(NSString *prefName, int prefValue);
static float prefFloatRead(NSString *prefName, BOOL *success);
static void prefFloatWrite(NSString *prefName, float prefValue);
static void prefDelete(NSString *prefName);
static void prefSynchronize(void);
// static long getMicroseconds(void);
float fakeData(NSTimeInterval time);
#pragma mark Static variables
static int debugging = NO; // True if debugging (synthetic data)
static io_connect_t connection; // Connection for reading accel values
static int running = NO; // True if we successfully started
static unsigned int sensorNum = 0; // The current index into sensors[]
static const char *serviceName; // The name of the current service
static char *iRecord, *oRecord; // Pointers to read/write records for sensor
static int recordSize; // Size of read/write records
static unsigned int function; // Which kernel function should be used
static float zeros[3]; // X, Y and Z zero calibration values
static float onegs[3]; // X, Y and Z one-g calibration values
#pragma mark Defines
// Pattern for building axis letter from axis number
#define INT_TO_AXIS(a) (a == 0 ? @"X" : a == 1 ? @"Y" : @"Z")
// Name of configuration for given axis' zero (axis specified by integer)
#define ZERO_NAME(a) [NSString stringWithFormat:@"%@-Axis-Zero", INT_TO_AXIS(a)]
// Name of configuration for given axis' oneg (axis specified by integer)
#define ONEG_NAME(a) [NSString stringWithFormat:@"%@-Axis-One-g", INT_TO_AXIS(a)]
// Name of "Is calibrated" preference
#define CALIBRATED_NAME (@"Calibrated")
// Application domain for SeisMac library
#define APP_ID ((CFStringRef)@"com.suitable.SeisMacLib")
// These #defines make the accelStartup code a LOT easier to read.
#undef LOG
#define LOG(message) \
if (logObject) { \
[logObject performSelector:logSelector withObject:message]; \
}
#define LOG_ARG(format, var1) \
if (logObject) { \
[logObject performSelector:logSelector \
withObject:[NSString stringWithFormat:format, var1]]; \
}
#define LOG_2ARG(format, var1, var2) \
if (logObject) { \
[logObject performSelector:logSelector \
withObject:[NSString stringWithFormat:format, var1, var2]]; \
}
#define LOG_3ARG(format, var1, var2, var3) \
if (logObject) { \
[logObject performSelector:logSelector \
withObject:[NSString stringWithFormat:format, var1, var2, var3]]; \
}
#pragma mark Function definitions
// This starts up the accelerometer code, trying each possible sensor
// specification. Note that for logging purposes it
// takes an object and a selector; the object's selector is then invoked
// with a single NSString as argument giving progress messages. Example
// logging method:
// - (void)logMessage: (NSString *)theString
// which would be used in accelStartup's invocation thusly:
// result = accelStartup(self, @selector(logMessage:));
// If the object is nil, then no logging is done. Sets calibation from built-in
// value table. Returns ACCEL_SUCCESS for success, and other (negative)
// values for various failures (returns value indicating result of
// most successful trial).
int smsStartup(id logObject, SEL logSelector) {
io_iterator_t iterator;
io_object_t device;
kern_return_t result;
sms_acceleration accel;
int failure_result = SMS_FAIL_MODEL;
running = NO;
debugging = NO;
NSString *modelName = getModelName();
LOG_ARG(@"Machine model: %@\n", modelName);
LOG_ARG(@"OS X version: %@\n", getOSVersion());
LOG_ARG(@"Accelerometer library version: %s\n", SMSLIB_VERSION);
for (sensorNum = 0; sensorNum < SENSOR_COUNT; sensorNum++) {
// Set up all specs for this type of sensor
serviceName = sensors[sensorNum].name;
recordSize = sensors[sensorNum].recordSize;
function = sensors[sensorNum].function;
LOG_3ARG(@"Trying service \"%s\" with selector %d and %d byte record:\n",
serviceName, function, recordSize);
NSString *targetName = [NSString stringWithCString:sensors[sensorNum].model
encoding:NSMacOSRomanStringEncoding];
LOG_ARG(@" Comparing model name to target \"%@\": ", targetName);
if ([targetName length] == 0 || [modelName hasPrefix:targetName]) {
LOG(@"success.\n");
} else {
LOG(@"failure.\n");
// Don't need to increment failure_result.
continue;
}
LOG(@" Fetching dictionary for service: ");
CFMutableDictionaryRef dict = IOServiceMatching(serviceName);
if (dict) {
LOG(@"success.\n");
} else {
LOG(@"failure.\n");
if (failure_result < SMS_FAIL_DICTIONARY) {
failure_result = SMS_FAIL_DICTIONARY;
}
continue;
}
LOG(@" Getting list of matching services: ");
result = IOServiceGetMatchingServices(kIOMasterPortDefault,
dict,
&iterator);
if (result == KERN_SUCCESS) {
LOG(@"success.\n");
} else {
LOG_ARG(@"failure, with return value 0x%x.\n", result);
if (failure_result < SMS_FAIL_LIST_SERVICES) {
failure_result = SMS_FAIL_LIST_SERVICES;
}
continue;
}
LOG(@" Getting first device in list: ");
device = IOIteratorNext(iterator);
if (device == 0) {
LOG(@"failure.\n");
if (failure_result < SMS_FAIL_NO_SERVICES) {
failure_result = SMS_FAIL_NO_SERVICES;
}
continue;
} else {
LOG(@"success.\n");
LOG(@" Opening device: ");
}
result = IOServiceOpen(device, mach_task_self(), 0, &connection);
if (result != KERN_SUCCESS) {
LOG_ARG(@"failure, with return value 0x%x.\n", result);
IOObjectRelease(device);
if (failure_result < SMS_FAIL_OPENING) {
failure_result = SMS_FAIL_OPENING;
}
continue;
} else if (connection == 0) {
LOG_ARG(@"'success', but didn't get a connection (return value was: 0x%x).\n", result);
IOObjectRelease(device);
if (failure_result < SMS_FAIL_CONNECTION) {
failure_result = SMS_FAIL_CONNECTION;
}
continue;
} else {
IOObjectRelease(device);
LOG(@"success.\n");
}
LOG(@" Testing device.\n");
defaultCalibration();
iRecord = (char*) malloc(recordSize);
oRecord = (char*) malloc(recordSize);
running = YES;
result = getData(&accel, true, logObject, logSelector);
running = NO;
if (result) {
LOG_ARG(@" Failure testing device, with result 0x%x.\n", result);
free(iRecord);
iRecord = 0;
free(oRecord);
oRecord = 0;
if (failure_result < SMS_FAIL_ACCESS) {
failure_result = SMS_FAIL_ACCESS;
}
continue;
} else {
LOG(@" Success testing device!\n");
running = YES;
return SMS_SUCCESS;
}
}
return failure_result;
}
// This starts up the library in debug mode, ignoring the actual hardware.
// Returned data is in the form of 1Hz sine waves, with the X, Y and Z
// axes 120 degrees out of phase; "calibrated" data has range +/- (1.0/5);
// "uncalibrated" data has range +/- (256/5). X and Y axes centered on 0.0,
// Z axes centered on 1 (calibrated) or 256 (uncalibrated).
// Don't use smsGetBufferLength or smsGetBufferData. Always returns SMS_SUCCESS.
int smsDebugStartup(id logObject, SEL logSelector) {
LOG(@"Starting up in debug mode\n");
debugging = YES;
return SMS_SUCCESS;
}
// Returns the current calibration values.
void smsGetCalibration(sms_calibration *calibrationRecord) {
int x;
for (x = 0; x < 3; x++) {
calibrationRecord->zeros[x] = (debugging ? 0 : zeros[x]);
calibrationRecord->onegs[x] = (debugging ? 256 : onegs[x]);
}
}
// Sets the calibration, but does NOT store it as a preference. If the argument
// is nil then the current calibration is set from the built-in value table.
void smsSetCalibration(sms_calibration *calibrationRecord) {
int x;
if (!debugging) {
if (calibrationRecord) {
for (x = 0; x < 3; x++) {
zeros[x] = calibrationRecord->zeros[x];
onegs[x] = calibrationRecord->onegs[x];
}
} else {
defaultCalibration();
}
}
}
// Stores the current calibration values as a stored preference.
void smsStoreCalibration(void) {
if (!debugging)
storeCalibration();
}
// Loads the stored preference values into the current calibration.
// Returns YES if successful.
BOOL smsLoadCalibration(void) {
if (debugging) {
return YES;
} else if (loadCalibration()) {
return YES;
} else {
defaultCalibration();
return NO;
}
}
// Deletes any stored calibration, and then takes the current calibration values
// from the built-in value table.
void smsDeleteCalibration(void) {
if (!debugging) {
deleteCalibration();
defaultCalibration();
}
}
// Fills in the accel record with calibrated acceleration data. Takes
// 1-2ms to return a value. Returns 0 if success, error number if failure.
int smsGetData(sms_acceleration *accel) {
NSTimeInterval time;
if (debugging) {
usleep(1500); // Usually takes 1-2 milliseconds
time = [NSDate timeIntervalSinceReferenceDate];
accel->x = fakeData(time)/5;
accel->y = fakeData(time - 1)/5;
accel->z = fakeData(time - 2)/5 + 1.0;
return true;
} else {
return getData(accel, true, nil, nil);
}
}
// Fills in the accel record with uncalibrated acceleration data.
// Returns 0 if success, error number if failure.
int smsGetUncalibratedData(sms_acceleration *accel) {
NSTimeInterval time;
if (debugging) {
usleep(1500); // Usually takes 1-2 milliseconds
time = [NSDate timeIntervalSinceReferenceDate];
accel->x = fakeData(time) * 256 / 5;
accel->y = fakeData(time - 1) * 256 / 5;
accel->z = fakeData(time - 2) * 256 / 5 + 256;
return true;
} else {
return getData(accel, false, nil, nil);
}
}
// Returns the length of a raw block of data for the current type of sensor.
int smsGetBufferLength(void) {
if (debugging) {
return 0;
} else if (running) {
return sensors[sensorNum].recordSize;
} else {
return 0;
}
}
// Takes a pointer to accelGetRawLength() bytes; sets those bytes
// to return value from sensor. Make darn sure the buffer length is right!
void smsGetBufferData(char *buffer) {
IOItemCount iSize = recordSize;
IOByteCount oSize = recordSize;
kern_return_t result;
if (debugging || running == NO) {
return;
}
memset(iRecord, 1, iSize);
memset(buffer, 0, oSize);
#if __MAC_OS_X_VERSION_MIN_REQUIRED >= 1050
const size_t InStructSize = recordSize;
size_t OutStructSize = recordSize;
result = IOConnectCallStructMethod(connection,
function, // magic kernel function number
(const void *)iRecord,
InStructSize,
(void *)buffer,
&OutStructSize
);
#else // __MAC_OS_X_VERSION_MIN_REQUIRED 1050
result = IOConnectMethodStructureIStructureO(connection,
function, // magic kernel function number
iSize,
&oSize,
iRecord,
buffer
);
#endif // __MAC_OS_X_VERSION_MIN_REQUIRED 1050
if (result != KERN_SUCCESS) {
running = NO;
}
}
// This returns an NSString describing the current calibration in
// human-readable form. Also include a description of the machine.
NSString *smsGetCalibrationDescription(void) {
BOOL success;
NSMutableString *s = [[NSMutableString alloc] init];
if (debugging) {
[s release];
return @"Debugging!";
}
[s appendString:@"---- SeisMac Calibration Record ----\n \n"];
[s appendFormat:@"Machine model: %@\n",
getModelName()];
[s appendFormat:@"OS X build: %@\n",
getOSVersion()];
[s appendFormat:@"SeisMacLib version %s, record %d\n \n",
SMSLIB_VERSION, sensorNum];
[s appendFormat:@"Using service \"%s\", function index %d, size %d\n \n",
serviceName, function, recordSize];
if (prefIntRead(CALIBRATED_NAME, &success) && success) {
[s appendString:@"Calibration values (from calibration):\n"];
} else {
[s appendString:@"Calibration values (from defaults):\n"];
}
[s appendFormat:@" X-Axis-Zero = %.2f\n", zeros[0]];
[s appendFormat:@" X-Axis-One-g = %.2f\n", onegs[0]];
[s appendFormat:@" Y-Axis-Zero = %.2f\n", zeros[1]];
[s appendFormat:@" Y-Axis-One-g = %.2f\n", onegs[1]];
[s appendFormat:@" Z-Axis-Zero = %.2f\n", zeros[2]];
[s appendFormat:@" Z-Axis-One-g = %.2f\n \n", onegs[2]];
[s appendString:@"---- End Record ----\n"];
return s;
}
// Shuts down the accelerometer.
void smsShutdown(void) {
if (!debugging) {
running = NO;
if (iRecord) free(iRecord);
if (oRecord) free(oRecord);
IOServiceClose(connection);
}
}
#pragma mark Internal functions
// Loads the current calibration from the stored preferences.
// Returns true iff successful.
BOOL loadCalibration(void) {
BOOL thisSuccess, allSuccess;
int x;
prefSynchronize();
if (prefIntRead(CALIBRATED_NAME, &thisSuccess) && thisSuccess) {
// Calibrated. Set all values from saved values.
allSuccess = YES;
for (x = 0; x < 3; x++) {
zeros[x] = prefFloatRead(ZERO_NAME(x), &thisSuccess);
allSuccess &= thisSuccess;
onegs[x] = prefFloatRead(ONEG_NAME(x), &thisSuccess);
allSuccess &= thisSuccess;
}
return allSuccess;
}
return NO;
}
// Stores the current calibration into the stored preferences.
static void storeCalibration(void) {
int x;
prefIntWrite(CALIBRATED_NAME, 1);
for (x = 0; x < 3; x++) {
prefFloatWrite(ZERO_NAME(x), zeros[x]);
prefFloatWrite(ONEG_NAME(x), onegs[x]);
}
prefSynchronize();
}
// Sets the calibration to its default values.
void defaultCalibration(void) {
int x;
for (x = 0; x < 3; x++) {
zeros[x] = sensors[sensorNum].axes[x].zerog;
onegs[x] = sensors[sensorNum].axes[x].oneg;
}
}
// Deletes the stored preferences.
static void deleteCalibration(void) {
int x;
prefDelete(CALIBRATED_NAME);
for (x = 0; x < 3; x++) {
prefDelete(ZERO_NAME(x));
prefDelete(ONEG_NAME(x));
}
prefSynchronize();
}
// Read a named floating point value from the stored preferences. Sets
// the success boolean based on, you guessed it, whether it succeeds.
static float prefFloatRead(NSString *prefName, BOOL *success) {
float result = 0.0f;
CFPropertyListRef ref = CFPreferencesCopyAppValue((CFStringRef)prefName,
APP_ID);
// If there isn't such a preference, fail
if (ref == NULL) {
*success = NO;
return result;
}
CFTypeID typeID = CFGetTypeID(ref);
// Is it a number?
if (typeID == CFNumberGetTypeID()) {
// Is it a floating point number?
if (CFNumberIsFloatType((CFNumberRef)ref)) {
// Yup: grab it.
*success = CFNumberGetValue((__CFNumber*)ref, kCFNumberFloat32Type, &result);
} else {
// Nope: grab as an integer, and convert to a float.
long num;
if (CFNumberGetValue((CFNumberRef)ref, kCFNumberLongType, &num)) {
result = num;
*success = YES;
} else {
*success = NO;
}
}
// Or is it a string (e.g. set by the command line "defaults" command)?
} else if (typeID == CFStringGetTypeID()) {
result = (float)CFStringGetDoubleValue((CFStringRef)ref);
*success = YES;
} else {
// Can't convert to a number: fail.
*success = NO;
}
CFRelease(ref);
return result;
}
// Writes a named floating point value to the stored preferences.
static void prefFloatWrite(NSString *prefName, float prefValue) {
CFNumberRef cfFloat = CFNumberCreate(kCFAllocatorDefault,
kCFNumberFloatType,
&prefValue);
CFPreferencesSetAppValue((CFStringRef)prefName,
cfFloat,
APP_ID);
CFRelease(cfFloat);
}
// Reads a named integer value from the stored preferences.
static int prefIntRead(NSString *prefName, BOOL *success) {
Boolean internalSuccess;
CFIndex result = CFPreferencesGetAppIntegerValue((CFStringRef)prefName,
APP_ID,
&internalSuccess);
*success = internalSuccess;
return result;
}
// Writes a named integer value to the stored preferences.
static void prefIntWrite(NSString *prefName, int prefValue) {
CFPreferencesSetAppValue((CFStringRef)prefName,
(CFNumberRef)[NSNumber numberWithInt:prefValue],
APP_ID);
}
// Deletes the named preference values.
static void prefDelete(NSString *prefName) {
CFPreferencesSetAppValue((CFStringRef)prefName,
NULL,
APP_ID);
}
// Synchronizes the local preferences with the stored preferences.
static void prefSynchronize(void) {
CFPreferencesAppSynchronize(APP_ID);
}
// Internal version of accelGetData, with logging
int getData(sms_acceleration *accel, int calibrated, id logObject, SEL logSelector) {
IOItemCount iSize = recordSize;
IOByteCount oSize = recordSize;
kern_return_t result;
if (running == NO) {
return -1;
}
memset(iRecord, 1, iSize);
memset(oRecord, 0, oSize);
LOG_2ARG(@" Querying device (%u, %d): ",
sensors[sensorNum].function, sensors[sensorNum].recordSize);
#if __MAC_OS_X_VERSION_MIN_REQUIRED >= 1050
const size_t InStructSize = recordSize;
size_t OutStructSize = recordSize;
result = IOConnectCallStructMethod(connection,
function, // magic kernel function number
(const void *)iRecord,
InStructSize,
(void *)oRecord,
&OutStructSize
);
#else // __MAC_OS_X_VERSION_MIN_REQUIRED 1050
result = IOConnectMethodStructureIStructureO(connection,
function, // magic kernel function number
iSize,
&oSize,
iRecord,
oRecord
);
#endif // __MAC_OS_X_VERSION_MIN_REQUIRED 1050
if (result != KERN_SUCCESS) {
LOG(@"failed.\n");
running = NO;
return result;
} else {
LOG(@"succeeded.\n");
accel->x = getAxis(0, calibrated);
accel->y = getAxis(1, calibrated);
accel->z = getAxis(2, calibrated);
return 0;
}
}
// Given the returned record, extracts the value of the given axis. If
// calibrated, then zero G is 0.0, and one G is 1.0.
float getAxis(int which, int calibrated) {
// Get various values (to make code cleaner)
int indx = sensors[sensorNum].axes[which].index;
int size = sensors[sensorNum].axes[which].size;
float zerog = zeros[which];
float oneg = onegs[which];
// Storage for value to be returned
int value = 0;
// Although the values in the returned record should have the proper
// endianness, we still have to get it into the proper end of value.
#if (BYTE_ORDER == BIG_ENDIAN)
// On PowerPC processors
memcpy(((char *)&value) + (sizeof(int) - size), &oRecord[indx], size);
#endif
#if (BYTE_ORDER == LITTLE_ENDIAN)
// On Intel processors
memcpy(&value, &oRecord[indx], size);
#endif
value = signExtend(value, size);
if (calibrated) {
// Scale and shift for zero.
return ((float)(value - zerog)) / oneg;
} else {
return value;
}
}
// Extends the sign, given the length of the value.
int signExtend(int value, int size) {
// Extend sign
switch (size) {
case 1:
if (value & 0x00000080)
value |= 0xffffff00;
break;
case 2:
if (value & 0x00008000)
value |= 0xffff0000;
break;
case 3:
if (value & 0x00800000)
value |= 0xff000000;
break;
}
return value;
}
// Returns the model name of the computer (e.g. "MacBookPro1,1")
NSString *getModelName(void) {
char model[32];
size_t len = sizeof(model);
int name[2] = {CTL_HW, HW_MODEL};
NSString *result;
if (sysctl(name, 2, &model, &len, NULL, 0) == 0) {
result = [NSString stringWithFormat:@"%s", model];
} else {
result = @"";
}
return result;
}
// Returns the current OS X version and build (e.g. "10.4.7 (build 8J2135a)")
NSString *getOSVersion(void) {
NSDictionary *dict = [NSDictionary dictionaryWithContentsOfFile:
@"/System/Library/CoreServices/SystemVersion.plist"];
NSString *versionString = [dict objectForKey:@"ProductVersion"];
NSString *buildString = [dict objectForKey:@"ProductBuildVersion"];
NSString *wholeString = [NSString stringWithFormat:@"%@ (build %@)",
versionString, buildString];
return wholeString;
}
// Returns time within the current second in microseconds.
// long getMicroseconds() {
// struct timeval t;
// gettimeofday(&t, 0);
// return t.tv_usec;
//}
// Returns fake data given the time. Range is +/-1.
float fakeData(NSTimeInterval time) {
long secs = lround(floor(time));
int secsMod3 = secs % 3;
double angle = time * 10 * M_PI * 2;
double mag = exp(-(time - (secs - secsMod3)) * 2);
return sin(angle) * mag;
}

13
hal/moz.build
View file

@ -40,13 +40,6 @@ elif CONFIG['OS_TARGET'] == 'WINNT':
'fallback/FallbackScreenConfiguration.cpp', 'fallback/FallbackScreenConfiguration.cpp',
'windows/WindowsSensor.cpp', 'windows/WindowsSensor.cpp',
] ]
elif CONFIG['MOZ_WIDGET_TOOLKIT'] == 'cocoa':
UNIFIED_SOURCES += [
'fallback/FallbackAlarm.cpp',
'fallback/FallbackMemory.cpp',
'fallback/FallbackPower.cpp',
'fallback/FallbackScreenConfiguration.cpp',
]
elif CONFIG['OS_TARGET'] in ('OpenBSD', 'NetBSD', 'FreeBSD', 'DragonFly'): elif CONFIG['OS_TARGET'] in ('OpenBSD', 'NetBSD', 'FreeBSD', 'DragonFly'):
UNIFIED_SOURCES += [ UNIFIED_SOURCES += [
'fallback/FallbackAlarm.cpp', 'fallback/FallbackAlarm.cpp',
@ -79,12 +72,6 @@ UNIFIED_SOURCES += [
'fallback/FallbackNetwork.cpp', 'fallback/FallbackNetwork.cpp',
] ]
if CONFIG['MOZ_WIDGET_TOOLKIT'] == 'cocoa':
UNIFIED_SOURCES += [
'cocoa/CocoaSensor.mm',
'cocoa/smslib.mm',
]
IPDL_SOURCES = [ IPDL_SOURCES = [
'sandbox/PHal.ipdl', 'sandbox/PHal.ipdl',
] ]