blob: 49cc285621ea828ae3225638f93691bad488ac1f [file] [log] [blame]
// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <dlfcn.h>
#include "base/memory/singleton.h"
#include "ui/surface/io_surface_support_mac.h"
typedef CFTypeRef (*IOSurfaceCreateProcPtr)(CFDictionaryRef properties);
typedef uint32 (*IOSurfaceGetIDProcPtr)(CFTypeRef io_surface);
typedef CFTypeRef (*IOSurfaceLookupProcPtr)(uint32 io_surface_id);
typedef mach_port_t (*IOSurfaceCreateMachPortProcPtr)(CFTypeRef io_surface);
typedef CFTypeRef (*IOSurfaceLookupFromMachPortProcPtr)(mach_port_t port);
typedef size_t (*IOSurfaceGetWidthPtr)(CFTypeRef io_surface);
typedef size_t (*IOSurfaceGetHeightPtr)(CFTypeRef io_surface);
typedef CGLError (*CGLTexImageIOSurface2DProcPtr)(CGLContextObj ctx,
GLenum target,
GLenum internal_format,
GLsizei width,
GLsizei height,
GLenum format,
GLenum type,
CFTypeRef io_surface,
GLuint plane);
typedef CFTypeRef (*CVPixelBufferGetIOSurfaceProcPtr)(
CVPixelBufferRef pixel_buffer);
class IOSurfaceSupportImpl : public IOSurfaceSupport {
public:
static IOSurfaceSupportImpl* GetInstance();
bool InitializedSuccessfully() {
return initialized_successfully_;
}
virtual CFStringRef GetKIOSurfaceWidth();
virtual CFStringRef GetKIOSurfaceHeight();
virtual CFStringRef GetKIOSurfaceBytesPerElement();
virtual CFStringRef GetKIOSurfaceIsGlobal();
virtual CFTypeRef IOSurfaceCreate(CFDictionaryRef properties);
virtual uint32 IOSurfaceGetID(CFTypeRef io_surface);
virtual CFTypeRef IOSurfaceLookup(uint32 io_surface_id);
virtual mach_port_t IOSurfaceCreateMachPort(CFTypeRef io_surface);
virtual CFTypeRef IOSurfaceLookupFromMachPort(mach_port_t port);
virtual size_t IOSurfaceGetWidth(CFTypeRef io_surface);
virtual size_t IOSurfaceGetHeight(CFTypeRef io_surface);
virtual CGLError CGLTexImageIOSurface2D(CGLContextObj ctx,
GLenum target,
GLenum internal_format,
GLsizei width,
GLsizei height,
GLenum format,
GLenum type,
CFTypeRef io_surface,
GLuint plane);
virtual CFTypeRef CVPixelBufferGetIOSurface(
CVPixelBufferRef pixel_buffer) OVERRIDE;
private:
IOSurfaceSupportImpl();
~IOSurfaceSupportImpl();
void CloseLibraryHandles();
void* iosurface_handle_;
void* opengl_handle_;
void* core_video_handle_;
CFStringRef k_io_surface_width_;
CFStringRef k_io_surface_height_;
CFStringRef k_io_surface_bytes_per_element_;
CFStringRef k_io_surface_is_global_;
IOSurfaceCreateProcPtr io_surface_create_;
IOSurfaceGetIDProcPtr io_surface_get_id_;
IOSurfaceLookupProcPtr io_surface_lookup_;
IOSurfaceCreateMachPortProcPtr io_surface_create_mach_port_;
IOSurfaceLookupFromMachPortProcPtr io_surface_lookup_from_mach_port_;
IOSurfaceGetWidthPtr io_surface_get_width_;
IOSurfaceGetHeightPtr io_surface_get_height_;
CGLTexImageIOSurface2DProcPtr cgl_tex_image_io_surface_2d_;
CVPixelBufferGetIOSurfaceProcPtr cv_pixel_buffer_get_io_surface_;
bool initialized_successfully_;
friend struct DefaultSingletonTraits<IOSurfaceSupportImpl>;
DISALLOW_COPY_AND_ASSIGN(IOSurfaceSupportImpl);
};
IOSurfaceSupportImpl* IOSurfaceSupportImpl::GetInstance() {
IOSurfaceSupportImpl* impl = Singleton<IOSurfaceSupportImpl>::get();
if (impl->InitializedSuccessfully())
return impl;
return NULL;
}
CFStringRef IOSurfaceSupportImpl::GetKIOSurfaceWidth() {
return k_io_surface_width_;
}
CFStringRef IOSurfaceSupportImpl::GetKIOSurfaceHeight() {
return k_io_surface_height_;
}
CFStringRef IOSurfaceSupportImpl::GetKIOSurfaceBytesPerElement() {
return k_io_surface_bytes_per_element_;
}
CFStringRef IOSurfaceSupportImpl::GetKIOSurfaceIsGlobal() {
return k_io_surface_is_global_;
}
CFTypeRef IOSurfaceSupportImpl::IOSurfaceCreate(CFDictionaryRef properties) {
return io_surface_create_(properties);
}
uint32 IOSurfaceSupportImpl::IOSurfaceGetID(
CFTypeRef io_surface) {
return io_surface_get_id_(io_surface);
}
CFTypeRef IOSurfaceSupportImpl::IOSurfaceLookup(uint32 io_surface_id) {
return io_surface_lookup_(io_surface_id);
}
mach_port_t IOSurfaceSupportImpl::IOSurfaceCreateMachPort(
CFTypeRef io_surface) {
return io_surface_create_mach_port_(io_surface);
}
CFTypeRef IOSurfaceSupportImpl::IOSurfaceLookupFromMachPort(mach_port_t port) {
return io_surface_lookup_from_mach_port_(port);
}
size_t IOSurfaceSupportImpl::IOSurfaceGetWidth(CFTypeRef io_surface) {
return io_surface_get_width_(io_surface);
}
size_t IOSurfaceSupportImpl::IOSurfaceGetHeight(CFTypeRef io_surface) {
return io_surface_get_height_(io_surface);
}
CGLError IOSurfaceSupportImpl::CGLTexImageIOSurface2D(CGLContextObj ctx,
GLenum target,
GLenum internal_format,
GLsizei width,
GLsizei height,
GLenum format,
GLenum type,
CFTypeRef io_surface,
GLuint plane) {
return cgl_tex_image_io_surface_2d_(ctx,
target,
internal_format,
width,
height,
format,
type,
io_surface,
plane);
}
CFTypeRef IOSurfaceSupportImpl::CVPixelBufferGetIOSurface(
CVPixelBufferRef pixel_buffer) {
return cv_pixel_buffer_get_io_surface_(pixel_buffer);
}
IOSurfaceSupportImpl::IOSurfaceSupportImpl()
: iosurface_handle_(NULL),
opengl_handle_(NULL),
core_video_handle_(NULL),
k_io_surface_width_(NULL),
k_io_surface_height_(NULL),
k_io_surface_bytes_per_element_(NULL),
k_io_surface_is_global_(NULL),
io_surface_create_(NULL),
io_surface_get_id_(NULL),
io_surface_lookup_(NULL),
io_surface_create_mach_port_(NULL),
io_surface_lookup_from_mach_port_(NULL),
io_surface_get_width_(NULL),
io_surface_get_height_(NULL),
cgl_tex_image_io_surface_2d_(NULL),
cv_pixel_buffer_get_io_surface_(NULL),
initialized_successfully_(false) {
iosurface_handle_ = dlopen(
"/System/Library/Frameworks/IOSurface.framework/IOSurface",
RTLD_LAZY | RTLD_LOCAL);
opengl_handle_ = dlopen(
"/System/Library/Frameworks/OpenGL.framework/OpenGL",
RTLD_LAZY | RTLD_LOCAL);
core_video_handle_ = dlopen(
"/System/Library/Frameworks/CoreVideo.framework/CoreVideo",
RTLD_LAZY | RTLD_LOCAL);
if (!iosurface_handle_ ||
!opengl_handle_ ||
!core_video_handle_) {
CloseLibraryHandles();
return;
}
void* surface_width_ptr = dlsym(iosurface_handle_, "kIOSurfaceWidth");
void* surface_height_ptr = dlsym(iosurface_handle_, "kIOSurfaceHeight");
void* surface_bytes_per_element_ptr =
dlsym(iosurface_handle_, "kIOSurfaceBytesPerElement");
void* surface_is_global_ptr =
dlsym(iosurface_handle_, "kIOSurfaceIsGlobal");
void* surface_create_ptr = dlsym(iosurface_handle_, "IOSurfaceCreate");
void* surface_get_id_ptr = dlsym(iosurface_handle_, "IOSurfaceGetID");
void* surface_lookup_ptr = dlsym(iosurface_handle_, "IOSurfaceLookup");
void* surface_create_mach_port_ptr =
dlsym(iosurface_handle_, "IOSurfaceCreateMachPort");
void* surface_lookup_from_mach_port_ptr =
dlsym(iosurface_handle_, "IOSurfaceLookupFromMachPort");
void* io_surface_get_width_ptr =
dlsym(iosurface_handle_, "IOSurfaceGetWidth");
void* io_surface_get_height_ptr =
dlsym(iosurface_handle_, "IOSurfaceGetHeight");
void* tex_image_io_surface_2d_ptr =
dlsym(opengl_handle_, "CGLTexImageIOSurface2D");
void* cv_pixel_buffer_get_io_surface =
dlsym(core_video_handle_, "CVPixelBufferGetIOSurface");
if (!surface_width_ptr ||
!surface_height_ptr ||
!surface_bytes_per_element_ptr ||
!surface_is_global_ptr ||
!surface_create_ptr ||
!surface_get_id_ptr ||
!surface_lookup_ptr ||
!surface_create_mach_port_ptr ||
!surface_lookup_from_mach_port_ptr ||
!io_surface_get_width_ptr ||
!io_surface_get_height_ptr ||
!tex_image_io_surface_2d_ptr ||
!cv_pixel_buffer_get_io_surface) {
CloseLibraryHandles();
return;
}
k_io_surface_width_ = *static_cast<CFStringRef*>(surface_width_ptr);
k_io_surface_height_ = *static_cast<CFStringRef*>(surface_height_ptr);
k_io_surface_bytes_per_element_ =
*static_cast<CFStringRef*>(surface_bytes_per_element_ptr);
k_io_surface_is_global_ = *static_cast<CFStringRef*>(surface_is_global_ptr);
io_surface_create_ = reinterpret_cast<IOSurfaceCreateProcPtr>(
surface_create_ptr);
io_surface_get_id_ =
reinterpret_cast<IOSurfaceGetIDProcPtr>(surface_get_id_ptr);
io_surface_lookup_ =
reinterpret_cast<IOSurfaceLookupProcPtr>(surface_lookup_ptr);
io_surface_create_mach_port_ =
reinterpret_cast<IOSurfaceCreateMachPortProcPtr>(
surface_create_mach_port_ptr);
io_surface_lookup_from_mach_port_ =
reinterpret_cast<IOSurfaceLookupFromMachPortProcPtr>(
surface_lookup_from_mach_port_ptr);
io_surface_get_width_ =
reinterpret_cast<IOSurfaceGetWidthPtr>(
io_surface_get_width_ptr);
io_surface_get_height_ =
reinterpret_cast<IOSurfaceGetHeightPtr>(
io_surface_get_height_ptr);
cgl_tex_image_io_surface_2d_ =
reinterpret_cast<CGLTexImageIOSurface2DProcPtr>(
tex_image_io_surface_2d_ptr);
cv_pixel_buffer_get_io_surface_ =
reinterpret_cast<CVPixelBufferGetIOSurfaceProcPtr>(
cv_pixel_buffer_get_io_surface);
initialized_successfully_ = true;
}
IOSurfaceSupportImpl::~IOSurfaceSupportImpl() {
CloseLibraryHandles();
}
void IOSurfaceSupportImpl::CloseLibraryHandles() {
if (iosurface_handle_) {
dlclose(iosurface_handle_);
iosurface_handle_ = NULL;
}
if (opengl_handle_) {
dlclose(opengl_handle_);
opengl_handle_ = NULL;
}
if (core_video_handle_) {
dlclose(core_video_handle_);
core_video_handle_ = NULL;
}
}
IOSurfaceSupport* IOSurfaceSupport::Initialize() {
return IOSurfaceSupportImpl::GetInstance();
}
IOSurfaceSupport::IOSurfaceSupport() {
}
IOSurfaceSupport::~IOSurfaceSupport() {
}