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/****************************************************************************
*
* Copyright (C) 2005 - 2011 by Vivante Corp.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the license, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
*****************************************************************************/
#ifndef __gc_hal_user_context_h_
#define __gc_hal_user_context_h_
#ifdef __cplusplus
extern "C" {
#endif
/* gcoCONTEXT structure that hold the current context. */
struct _gcoCONTEXT
{
/* Object. */
gcsOBJECT object;
/* Pointer to gcoOS object. */
gcoOS os;
/* Pointer to gcoHARDWARE object. */
gcoHARDWARE hardware;
/* Context ID. */
gctUINT64 id;
/* State mapping. */
gctUINT32_PTR map;
gctSIZE_T stateCount;
/* State hinting. */
gctUINT8_PTR hint;
gctUINT8 hintValue;
gctSIZE_T hintCount;
/* Context buffer. */
gctUINT32_PTR buffer;
gctUINT32 pipe3DIndex;
gctUINT32 pipe2DIndex;
gctUINT32 linkIndex;
gctUINT32 inUseIndex;
gctSIZE_T bufferSize;
/* Context buffer used for commitment. */
gctSIZE_T bytes;
gctPHYS_ADDR physical;
gctPOINTER logical;
/* Pointer to final LINK command. */
gctPOINTER link;
/* Requested pipe select for context. */
gctUINT32 initialPipe;
gctUINT32 entryPipe;
gctUINT32 currentPipe;
/* Flag to specify whether PostCommit needs to be called. */
gctBOOL postCommit;
/* Busy flag. */
volatile gctBOOL * inUse;
/* Variables used for building state buffer. */
gctUINT32 lastAddress;
gctSIZE_T lastSize;
gctUINT32 lastIndex;
gctBOOL lastFixed;
/* Hint array. */
gctUINT32_PTR hintArray;
gctUINT32_PTR hintIndex;
};
struct _gcoCMDBUF
{
/* The object. */
gcsOBJECT object;
/* Pointer to gcoOS object. */
gcoOS os;
/* Pointer to gcoHARDWARE object. */
gcoHARDWARE hardware;
/* Physical address of command buffer. */
gctPHYS_ADDR physical;
/* Logical address of command buffer. */
gctPOINTER logical;
/* Number of bytes in command buffer. */
gctSIZE_T bytes;
/* Start offset into the command buffer. */
gctUINT32 startOffset;
/* Current offset into the command buffer. */
gctUINT32 offset;
/* Number of free bytes in command buffer. */
gctSIZE_T free;
#if gcdSECURE_USER
/* Table of offsets that define the physical addresses to be mapped. */
gctUINT32_PTR hintTable;
/* Current index into map table. */
gctUINT32_PTR hintIndex;
/* Commit index for map table. */
gctUINT32_PTR hintCommit;
#endif
};
typedef struct _gcsQUEUE * gcsQUEUE_PTR;
typedef struct _gcsQUEUE
{
/* Pointer to next gcsQUEUE structure. */
gcsQUEUE_PTR next;
#ifdef __QNXNTO__
/* Size of this object. */
gctSIZE_T bytes;
#endif
/* Event information. */
gcsHAL_INTERFACE iface;
}
gcsQUEUE;
/* Event queue. */
struct _gcoQUEUE
{
/* The object. */
gcsOBJECT object;
/* Pointer to gcoOS object. */
gcoOS os;
/* Pointer to current event queue. */
gcsQUEUE_PTR head;
gcsQUEUE_PTR tail;
};
#ifdef __cplusplus
}
#endif
#endif /* __gc_hal_user_context_h_ */
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