void ShaderProgram::setUniform(const std::string& name, const Vector4& v) const
{
checkInUse();
s32 loc{getUniformLocation(name)};
if (loc == -1)
return;
glUniform4fv(loc, 1, &v.data[0]);
}
void ShaderProgram::setUniform(const std::string& name, const Matrix4& m) const
{
checkInUse();
s32 loc{getUniformLocation(name)};
if (loc == -1)
return;
glUniformMatrix4fv(loc, 1, false, &m.data[0].data[0]);
}
void ShaderProgram::setUniform(const std::string& name, f32 x, f32 y) const
{
checkInUse();
s32 loc{getUniformLocation(name)};
if (loc == -1)
return;
glUniform2f(loc, x, y);
}
void ShaderProgram::setUniform(const std::string& name, bool x) const
{
checkInUse();
s32 loc{getUniformLocation(name)};
if (loc == -1)
return;
glUniform1i(loc, (s32)x);
}
void ShaderProgram::setUniform(const String& name, const Quaternion& q) const
{
checkInUse();
s32 loc = getUniformLocation(name);
if (loc == -1)
return;
glUniform4fv(loc, 1, &q.x);
}
void ShaderProgram::setUniform(const String& name, const Vector3& v) const
{
checkInUse();
s32 loc = getUniformLocation(name);
if (loc == -1)
return;
glUniform3fv(loc, 1, &v[0]);
}
void ShaderProgram::setUniform(const String& name, const Matrix4& m) const
{
checkInUse();
s32 loc = getUniformLocation(name);
if (loc == -1)
return;
glUniformMatrix4fv(loc, 1, false, &m[0][0]);
}
void ShaderProgram::setUniform(const String& name, f32 x, f32 y, f32 z) const
{
checkInUse();
s32 loc = getUniformLocation(name);
if (loc == -1)
return;
glUniform3f(loc, x, y, z);
}
void ShaderProgram::setUniform(const String& name, s32 x) const
{
checkInUse();
s32 loc = getUniformLocation(name);
if (loc == -1)
return;
glUniform1i(loc, x);
}
GLuint
Program::getSubroutineIndex(GLenum shader, const char* name) const
//[]----------------------------------------------------[]
//| Get subroutine index |
//[]----------------------------------------------------[]
{
checkInUse();
GLuint index = glGetSubroutineIndex(handle, shader, name);
if (index == GL_INVALID_INDEX)
error(SUBROUTINE_NOT_FOUND, getName(), name);
return index;
}
GLint
Program::getUniformLocation(const char* name) const
//[]----------------------------------------------------[]
//| Get uniform variable location |
//[]----------------------------------------------------[]
{
checkInUse();
GLint loc = glGetUniformLocation(handle, name);
if (loc == -1)
error(VARIABLE_NOT_FOUND, getName(), name);
return loc;
}
GLint
Program::getAttributeLocation(const char* name) const
//[]----------------------------------------------------[]
//| Get attribute location |
//[]----------------------------------------------------[]
{
checkInUse();
GLint loc = glGetAttribLocation(handle, name);
if (loc == -1)
error(VARIABLE_NOT_FOUND, getName(), name);
return loc;
}
void ShaderProgram::setUniform(const String& name, const Transform& t) const
{
checkInUse();
{
s32 loc = getUniformLocation(name + ".position");
if (loc == -1)
return;
glUniform3fv(loc, 1, &t.position[0]);
}
{
s32 loc = getUniformLocation(name + ".orientation");
if (loc == -1)
return;
glUniform4fv(loc, 1, &t.orientation.x);
}
{
s32 loc = getUniformLocation(name + ".scale");
if (loc == -1)
return;
glUniform3fv(loc, 1, &t.scale[0]);
}
}
static bool updateDeviceList(deviceList *devList)
{
usbDeviceList *list = (usbDeviceList*)devList;
struct libusb_device *dev, **usbList;
unsigned int pos, count = 0, newCount = 0;
usbDevice *devPos;
ssize_t listSize, listPos;
/* fedora 19 seems to process udev triggers before the device is ready */
usleep(1000);
/* initialize usb TODO: should call libusb_exit at the end? */
libusb_init(NULL);
/* the next two return counts of busses and devices respectively */
listSize = libusb_get_device_list(NULL, &usbList);
/* search for the first device we find */
for(listPos = 0; listPos < listSize; listPos++)
{
struct libusb_device_descriptor descriptor;
dev = usbList[listPos];
libusb_get_device_descriptor(dev, &descriptor);
for(pos = 0; list->ids[pos].idVendor != INVALID_VENDOR; pos++)
/* continue if we are not examining the correct device */
if (descriptor.idVendor == list->ids[pos].idVendor &&
descriptor.idProduct == list->ids[pos].idProduct)
{
int busIndex;
/* couldn't find the bus index as a number anywhere */
busIndex = libusb_get_bus_number(dev);
/* found a device instance, now find position in
* current list */
devPos = (usbDevice*)firstItem(&list->deviceList);
setError(devPos, NULL, LIBUSB_SUCCESS);
while(devPos != NULL &&
(devPos->busIndex < busIndex ||
(devPos->busIndex == busIndex &&
devPos->devIndex < libusb_get_device_address(dev))))
/* used to release devices here, since they
* are no longer used, however, this races
* with reinsertion of the device, and
* therefore reuse of the ID. Additionally,
* unplugs are detected now, so it is no
* longer necessary. */
devPos = (usbDevice*)devPos->header.next;
/* append or insert a new device */
if (devPos == NULL ||
devPos->busIndex != busIndex ||
devPos->devIndex != libusb_get_device_address(dev))
{
if (list->describe)
checkInUse(dev, true);
else if (claimDevice(dev, list->ids + pos, list, devPos))
/* count how many devices we added */
newCount++;
/* keep a count of the number of devices */
count++;
}
}
}
libusb_free_device_list(usbList, 0); /* deref devices */
if (wouldOutput(LOG_DEBUG) && newCount > 0)
{
unsigned int index = 0;
message(LOG_DEBUG, "Handling %d device(s):\n", count);
devPos = (usbDevice*)list->deviceList.head;
for(; devPos; devPos = (usbDevice*)devPos->header.next)
message(LOG_DEBUG,
" %d) usb:%d.%d id=%d addr=%p\n", index++,
devPos->busIndex, devPos->devIndex,
devPos->info.id, (void*)devPos);
}
return true;
}
static bool claimDevice(struct libusb_device *dev, usbId *id, usbDeviceList *list, usbDevice *devPos)
{
int retval;
bool success = false;
usbDevice *newDev = NULL;
newDev = (usbDevice*)malloc(sizeof(usbDevice));
memset(newDev, 0, sizeof(usbDevice));
/* basic stuff */
newDev->info.type = *id;
newDev->busIndex = libusb_get_bus_number(dev);
newDev->devIndex = libusb_get_device_address(dev);
/* determine the id (reusing if possible) */
newDev->info.id = 0;
while(true)
{
unsigned int prev = newDev->info.id;
forEach(&list->deviceList,
findId, &newDev->info.id);
if (prev == newDev->info.id)
break;
}
/* open a handle to the usb device */
if ((retval = libusb_open(dev, &newDev->device)) != LIBUSB_SUCCESS)
setError(newDev, "Failed to open usb device", retval);
else
{
/* prime errno to control this loop */
errno = 0;
do
{
/* try to force an unbind but only once */
if (errno == EBUSY && (! list->force || ! checkInUse(dev, false)))
break;
/* try to configure device and claim the interface */
if ((retval = libusb_set_configuration(newDev->device, 1)) < 0)
setError(newDev, "Failed to set device configuration", retval);
else if ((retval = libusb_claim_interface(newDev->device, 0)) < 0)
setError(newDev, "libusb_claim_interface failed 0", retval);
else
{
insertItem(&list->deviceList,
(itemHeader*)devPos,
(itemHeader*)newDev);
if (list->newDev != NULL)
list->newDev(&newDev->info);
success = true;
break;
}
}
while(errno == EBUSY);
}
/* grab error if there was one */
if (!success)
{
printError(LOG_ERROR, " updateDeviceList failed", &newDev->info);
if (errno == EBUSY)
message(LOG_ERROR,
"Check device status with igdaemon --devices\n");
if (newDev->device != NULL)
libusb_close(newDev->device);
free(newDev);
}
return success;
}
