/*******************************************************************************
**
** gcoBUFFER_Write
**
** Copy a number of bytes into the buffer.
**
** INPUT:
**
** gcoBUFFER Buffer
** Pointer to an gcoBUFFER object.
**
** gctCONST_POINTER Data
** Pointer to a buffer that contains the data to be copied.
**
** IN gctSIZE_T Bytes
** Number of bytes to copy.
**
** IN gctBOOL Aligned
** gcvTRUE if the data needs to be aligned to 64-bit.
**
** OUTPUT:
**
** Nothing.
*/
gceSTATUS
gcoBUFFER_Write(
IN gcoBUFFER Buffer,
IN gctCONST_POINTER Data,
IN gctSIZE_T Bytes,
IN gctBOOL Aligned
)
{
gceSTATUS status;
gcoCMDBUF reserve;
gcmHEADER_ARG("Buffer=0x%x Data=0x%x Bytes=%lu Aligned=%d",
Buffer, Data, Bytes, Aligned);
/* Verify the arguments. */
gcmVERIFY_OBJECT(Buffer, gcvOBJ_BUFFER);
gcmDEBUG_VERIFY_ARGUMENT(Data != gcvNULL);
gcmDEBUG_VERIFY_ARGUMENT(Bytes > 0);
/* Reserve data in the buffer. */
gcmONERROR(gcoBUFFER_Reserve(Buffer, Bytes, Aligned, &reserve));
/* Write data into the buffer. */
gcmONERROR(gcoOS_MemCopy(reserve->lastReserve, Data, Bytes));
/* Success. */
gcmFOOTER_NO();
return gcvSTATUS_OK;
OnError:
/* Return status. */
gcmFOOTER();
return status;
}
/*******************************************************************************
**
** gcoBUFFER_Reserve
**
** Reserve a number of bytes in the buffer.
**
** INPUT:
**
** gcoBUFFER Buffer
** Pointer to an gcoBUFFER object.
**
** gctSIZE_T Bytes
** Number of bytes to reserve.
**
** gctBOOL Aligned
** gcvTRUE if the data needs to be aligned to 64-bit.
**
** OUTPUT:
**
** gctUINT32_PTR ** AddressHints
** Pointer to a variable that receives the current position in the
** state hint array. gcvNULL is allowed.
**
** gctPOINTER * Memory
** Pointer to a variable that will hold the address of location in the
** buffer that has been reserved.
*/
gceSTATUS
gcoBUFFER_Reserve(
IN gcoBUFFER Buffer,
IN gctSIZE_T Bytes,
IN gctBOOL Aligned,
OUT gcoCMDBUF * Reserve
)
{
gceSTATUS status = gcvSTATUS_OK;
gcoCMDBUF current;
gctSIZE_T alignBytes, bytes;
gctUINT offset;
gcmHEADER_ARG("Buffer=0x%x Bytes=%lu Aligned=%d Reserve=0x%x",
Buffer, Bytes, Aligned, Reserve);
/* Verify the arguments. */
gcmVERIFY_OBJECT(Buffer, gcvOBJ_BUFFER);
gcmDEBUG_VERIFY_ARGUMENT(Reserve != gcvNULL);
/* Get the current command buffer. */
current = Buffer->currentCommandBuffer;
/* Compute the number of aligned bytes. */
alignBytes = Aligned
? ( gcmALIGN(current->offset, Buffer->info.alignment)
- current->offset
)
: 0;
/* Compute the number of required bytes. */
bytes = Bytes + alignBytes;
if (bytes > current->free)
{
gcsHAL_INTERFACE iface;
if (bytes > Buffer->maxSize - Buffer->totalReserved)
{
/* This just won't fit! */
gcmFATAL("FATAL: Command of %lu bytes is too big!", Bytes);
gcmONERROR(gcvSTATUS_OUT_OF_MEMORY);
}
/* Sent event to signal when command buffer completes. */
iface.command = gcvHAL_SIGNAL;
iface.u.Signal.signal = Buffer->signal
[Buffer->currentCommandBufferIndex];
iface.u.Signal.auxSignal = gcvNULL;
iface.u.Signal.process = gcoOS_GetCurrentProcessID();
iface.u.Signal.fromWhere = gcvKERNEL_COMMAND;
/* Send event. */
gcmONERROR(
gcoHARDWARE_CallEvent(&iface));
/* Commit current command buffer. */
gcmONERROR(
gcoHARDWARE_Commit());
/* Grab a new command buffer. */
gcmONERROR(
gcoBUFFER_GetCMDBUF(Buffer));
/* Get the pointer. */
current = Buffer->currentCommandBuffer;
/* Calculate total bytes again. */
alignBytes = 0;
bytes = Bytes;
}
gcmASSERT(current != gcvNULL);
gcmASSERT(bytes <= current->free);
/* Determine the data offset. */
offset = current->offset + alignBytes;
/* Update the last reserved location. */
current->lastReserve = (gctUINT8_PTR) current->logical + offset;
current->lastOffset = offset;
/* Adjust command buffer size. */
current->offset += bytes;
current->free -= bytes;
/* Set the result. */
* Reserve = current;
/* Success. */
gcmFOOTER();
return gcvSTATUS_OK;
OnError:
/* Return the status. */
gcmFOOTER();
return status;
}
/*******************************************************************************
**
** gcoCMDBUF_Construct
**
** Construct a new gcoCMDBUF object.
**
** INPUT:
**
** gcoOS Os
** Pointer to a gcoOS object.
**
** gcoHARDWARE Hardware
** Pointer to a gcoHARDWARE object.
**
** gctSIZE_T Bytes
** Number of bytes for the buffer.
**
** gcsCOMMAND_BUFFER_PTR Info
** Alignment and head/tail information.
**
** OUTPUT:
**
** gcoCMDBUF * CommandBuffer
** Pointer to a variable that will hold the the gcoCMDBUF object
** pointer.
*/
gceSTATUS
gcoCMDBUF_Construct(
IN gcoOS Os,
IN gcoHARDWARE Hardware,
IN gctSIZE_T Bytes,
IN gcsCOMMAND_INFO_PTR Info,
OUT gcoCMDBUF * CommandBuffer
)
{
gceSTATUS status;
gcoCMDBUF commandBuffer = gcvNULL;
gctSIZE_T objectSize;
#ifdef __QNXNTO__
gctPHYS_ADDR physical;
#else
gctPOINTER pointer = gcvNULL;
#endif
gcmHEADER_ARG("Bytes=%lu Info=0x%x", Bytes, Info);
/* Verify the arguments. */
gcmDEBUG_VERIFY_ARGUMENT(Bytes > 0);
gcmDEBUG_VERIFY_ARGUMENT(CommandBuffer != gcvNULL);
/* Set the size of the object. */
objectSize = gcmSIZEOF(struct _gcoCMDBUF);
/* Allocate the gcoCMDBUF object. */
#ifdef __QNXNTO__
/* gcoCMDBUF object needs to be accessible from the kernel; to avoid
copying of the data for each access, allocate the object from the
kernel non-paged memory. */
gcmONERROR(gcoOS_AllocateNonPagedMemory(
gcvNULL, gcvTRUE, &objectSize, &physical, (gctPOINTER *) &commandBuffer
));
#else
/* Currently in most OS we are able to access the user-side data from
the kernel by simple memory mapping, therefore here we allocate the
object from the cached user memory. */
gcmONERROR(gcoOS_Allocate(gcvNULL, objectSize, &pointer));
commandBuffer = pointer;
#endif
/* Reset the command buffer object. */
gcmONERROR(gcoOS_ZeroMemory(commandBuffer, objectSize));
/* Initialize the gcoCMDBUF object. */
commandBuffer->object.type = gcvOBJ_COMMANDBUFFER;
commandBuffer->bytes = Bytes;
/* Allocate the physical buffer for the command. */
gcmONERROR(gcoOS_AllocateContiguous(
gcvNULL, gcvTRUE,
&commandBuffer->bytes,
&commandBuffer->physical,
&commandBuffer->logical
));
/* Initialize command buffer. */
commandBuffer->free = commandBuffer->bytes;
#if gcdSECURE_USER
/* Determine the size of the state array. */
commandBuffer->hintArraySize = Bytes;
/* Allocate the state array. */
#ifdef __QNXNTO__
gcmONERROR(gcoOS_AllocateNonPagedMemory(
gcvNULL, gcvTRUE,
&commandBuffer->hintArraySize,
&physical,
(gctPOINTER *) &commandBuffer->hintArray
));
#else
gcmONERROR(gcoOS_Allocate(
gcvNULL,
commandBuffer->hintArraySize,
&pointer
));
commandBuffer->hintArray = pointer;
#endif
/* Initialize the state array tail pointer. */
commandBuffer->hintArrayTail = commandBuffer->hintArray;
#endif
/* Return pointer to the gcoCMDBUF object. */
*CommandBuffer = commandBuffer;
/* Success. */
gcmFOOTER_ARG("*CommandBuffer=0x%x", *CommandBuffer);
return gcvSTATUS_OK;
OnError:
/* Roll back. */
if (commandBuffer != gcvNULL)
{
if (commandBuffer->logical != gcvNULL)
{
gcmVERIFY_OK(gcoOS_FreeContiguous(
gcvNULL,
commandBuffer->physical,
commandBuffer->logical,
commandBuffer->bytes
));
}
#if gcdSECURE_USER
if (commandBuffer->hintArray != gcvNULL)
{
#ifdef __QNXNTO__
gcmVERIFY_OK(gcoOS_FreeNonPagedMemory(
gcvNULL,
commandBuffer->hintArraySize,
gcvNULL,
commandBuffer->hintArray
));
#else
gcmVERIFY_OK(gcmOS_SAFE_FREE(gcvNULL, commandBuffer->hintArray));
#endif
}
#endif
#ifdef __QNXNTO__
gcmVERIFY_OK(gcoOS_FreeNonPagedMemory(
gcvNULL, objectSize, gcvNULL, commandBuffer
));
#else
gcmVERIFY_OK(gcmOS_SAFE_FREE(gcvNULL, commandBuffer));
#endif
}
/* Return the status. */
gcmFOOTER();
return status;
}
/*******************************************************************************
**
** gcoBUFFER_Construct
**
** Construct a new gcoBUFFER object.
**
** INPUT:
**
** gcoHAL Hal
** Pointer to a gcoHAL object.
**
** gcoHARDWARE Hardware
** Pointer to a gcoHARDWARE object.
**
** gckCONTEXT Context
** Pointer to a gckCONTEXT object.
**
** gctSIZE_T MaxSize
** Maximum size of buffer.
**
** OUTPUT:
**
** gcoBUFFER * Buffer
** Pointer to a variable that will hold the the gcoBUFFER object
** pointer.
*/
gceSTATUS
gcoBUFFER_Construct(
IN gcoHAL Hal,
IN gcoHARDWARE Hardware,
IN gckCONTEXT Context,
IN gctSIZE_T MaxSize,
OUT gcoBUFFER * Buffer
)
{
gceSTATUS status;
gcoBUFFER buffer = gcvNULL;
gctUINT i = 0;
gctPOINTER pointer = gcvNULL;
gcmHEADER_ARG("Hal=0x%x Hardware=0x%x Context=0x%x MaxSize=%lu",
Hal, Hardware, Context, MaxSize);
/* Verify the arguments. */
gcmVERIFY_OBJECT(Hal, gcvOBJ_HAL);
gcmVERIFY_OBJECT(Hardware, gcvOBJ_HARDWARE);
gcmDEBUG_VERIFY_ARGUMENT(Buffer != gcvNULL);
/***************************************************************************
** Allocate and reset the gcoBUFFER object.
*/
gcmONERROR(gcoOS_Allocate(
gcvNULL, gcmSIZEOF(struct _gcoBUFFER), &pointer
));
buffer = pointer;
/* Initialize the gcoBUFFER object. */
buffer->object.type = gcvOBJ_BUFFER;
buffer->hal = Hal;
buffer->context = Context;
/* Maximum size of buffer. */
buffer->size = 0;
buffer->maxSize = MaxSize;
/* Zero the command buffers. */
for (i = 0; i < gcmCOUNTOF(buffer->commandBuffers); ++i)
{
buffer->commandBuffers[i] = gcvNULL;
buffer->signal[i] = gcvNULL;
}
/***************************************************************************
** Query alignment.
*/
gcmONERROR(gcoHARDWARE_QueryCommandBuffer(
&buffer->info.alignment,
&buffer->info.reservedHead,
&buffer->info.reservedTail
));
buffer->totalReserved
= buffer->info.reservedHead
+ buffer->info.reservedTail
+ buffer->info.alignment;
/***************************************************************************
** Initialize the command buffers.
*/
for (i = 0; i < gcdCMD_BUFFERS; ++i)
{
/* Construct a command buffer. */
gcmONERROR(gcoCMDBUF_Construct(
gcvNULL,
gcvNULL,
buffer->maxSize,
&buffer->info,
&buffer->commandBuffers[i]
));
/* Create the signal. */
gcmONERROR(gcoOS_CreateSignal(
gcvNULL, gcvFALSE, &buffer->signal[i]
));
gcmTRACE_ZONE(
gcvLEVEL_INFO, gcvZONE_SIGNAL,
"%s(%d): buffer %d signal created 0x%08X",
__FUNCTION__, __LINE__,
i, buffer->signal[i]
);
/* Mark the buffer as available. */
gcmONERROR(gcoOS_Signal(
gcvNULL, buffer->signal[i], gcvTRUE\
));
}
/* Number of buffers initialized. */
buffer->count = gcdCMD_BUFFERS;
/* Grab the first command buffer. */
buffer->currentCommandBuffer = gcvNULL;
gcmONERROR(gcoBUFFER_GetCMDBUF(buffer));
/* Return pointer to the gcoBUFFER object. */
*Buffer = buffer;
/* Success. */
gcmFOOTER_ARG("*Buffer=0x%x", *Buffer);
return gcvSTATUS_OK;
OnError:
if (buffer != gcvNULL)
{
gcmVERIFY_OK(gcoBUFFER_FreeObjects(buffer));
}
/* Return the status. */
gcmFOOTER();
return status;
}
/*******************************************************************************
**
** gcoHAL_Construct
**
** Construct a new gcoHAL object.
**
** INPUT:
**
** gctPOINTER Context
** Pointer to a context that can be used by the platform specific
** functions.
**
** gcoOS Os
** Pointer to an gcoOS object.
**
** OUTPUT:
**
** gcoHAL * Hal
** Pointer to a variable that will hold the gcoHAL object pointer.
*/
gceSTATUS
gcoHAL_Construct(
IN gctPOINTER Context,
IN gcoOS Os,
OUT gcoHAL * Hal
)
{
gctBOOL created = gcvFALSE;
gcoHAL hal = gcPLS.hal;
gceSTATUS status;
gctPOINTER pointer = gcvNULL;
gctBOOL separated3D = gcvFALSE;
gctBOOL separated2D = gcvFALSE;
gcsHAL_INTERFACE iface;
gctINT32 i;
gcmHEADER_ARG("Context=0x%x OS=0x%x", Context, Os);
/* Verify the arguments. */
gcmDEBUG_VERIFY_ARGUMENT(Hal != gcvNULL);
if (hal == gcvNULL)
{
/* Create the gcoHAL object. */
gcmONERROR(gcoOS_Allocate(gcvNULL,
gcmSIZEOF(struct _gcoHAL),
&pointer));
hal = pointer;
created = gcvTRUE;
gcoOS_ZeroMemory(hal, gcmSIZEOF(struct _gcoHAL));
/* Initialize the object. */
hal->object.type = gcvOBJ_HAL;
/* Zero the gco2D, gco3D, and gcoDUMP objects. */
hal->dump = gcvNULL;
hal->reference = gcvNULL;
/* Initialize timeOut value */
hal->timeOut = gcdGPU_TIMEOUT;
/* Query the kernel version number. */
iface.command = gcvHAL_VERSION;
gcmONERROR(gcoOS_DeviceControl(gcvNULL,
IOCTL_GCHAL_INTERFACE,
&iface, gcmSIZEOF(iface),
&iface, gcmSIZEOF(iface)));
/* Test if versions match. */
if ((iface.u.Version.major != gcvVERSION_MAJOR)
|| (iface.u.Version.minor != gcvVERSION_MINOR)
|| (iface.u.Version.patch != gcvVERSION_PATCH)
|| (iface.u.Version.build != gcvVERSION_BUILD)
)
{
gcmPRINT("HAL user version %d.%d.%d build %u %s %s",
gcvVERSION_MAJOR, gcvVERSION_MINOR, gcvVERSION_PATCH,
gcvVERSION_BUILD, gcvVERSION_DATE, gcvVERSION_TIME);
gcmPRINT("HAL kernel version %d.%d.%d build %u",
iface.u.Version.major, iface.u.Version.minor,
iface.u.Version.patch, iface.u.Version.build);
gcmONERROR(gcvSTATUS_VERSION_MISMATCH);
}
#if gcmIS_DEBUG(gcdDEBUG_TRACE)
gcmTRACE_ZONE(gcvLEVEL_INFO, gcvZONE_HAL,
"HAL user version %d.%d.%d build %u %s %s",
gcvVERSION_MAJOR, gcvVERSION_MINOR, gcvVERSION_PATCH,
gcvVERSION_BUILD, gcvVERSION_DATE, gcvVERSION_TIME);
gcmTRACE_ZONE(gcvLEVEL_INFO, gcvZONE_HAL,
"HAL kernel version %d.%d.%d build %u",
iface.u.Version.major, iface.u.Version.minor,
iface.u.Version.patch, iface.u.Version.build);
#endif
/* Query chip info */
iface.command = gcvHAL_CHIP_INFO;
gcmONERROR(gcoOS_DeviceControl(gcvNULL,
IOCTL_GCHAL_INTERFACE,
&iface, gcmSIZEOF(iface),
&iface, gcmSIZEOF(iface)));
hal->chipCount = iface.u.ChipInfo.count;
for (i = 0; i < hal->chipCount; i++)
{
hal->chipTypes[i] = iface.u.ChipInfo.types[i];
switch (hal->chipTypes[i])
{
case gcvHARDWARE_3D:
separated3D = gcvTRUE;
break;
case gcvHARDWARE_2D:
separated2D = gcvTRUE;
break;
default:
break;
}
}
hal->separated3D2D = (separated3D && separated2D);
#if VIVANTE_PROFILER
hal->profiler.enable = 0;
#endif
/* Create reference. */
gcmONERROR(gcoOS_AtomConstruct(Os, &hal->reference));
}
