| /**************************************************************************** |
| * |
| * The MIT License (MIT) |
| * |
| * Copyright (c) 2014 - 2016 Vivante Corporation |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the "Software"), |
| * to deal in 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: |
| * |
| * The above copyright notice and this permission notice shall be included in |
| * all copies or substantial portions of the Software. |
| * |
| * 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 |
| * AUTHORS 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 IN THE SOFTWARE. |
| * |
| ***************************************************************************** |
| * |
| * The GPL License (GPL) |
| * |
| * Copyright (C) 2014 - 2016 Vivante Corporation |
| * |
| * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
| * |
| ***************************************************************************** |
| * |
| * Note: This software is released under dual MIT and GPL licenses. A |
| * recipient may use this file under the terms of either the MIT license or |
| * GPL License. If you wish to use only one license not the other, you can |
| * indicate your decision by deleting one of the above license notices in your |
| * version of this file. |
| * |
| *****************************************************************************/ |
| |
| |
| #ifndef __gc_hal_kernel_buffer_h_ |
| #define __gc_hal_kernel_buffer_h_ |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| /******************************************************************************\ |
| ************************ Command Buffer and Event Objects ********************** |
| \******************************************************************************/ |
| |
| /* The number of context buffers per user. */ |
| #define gcdCONTEXT_BUFFER_COUNT 2 |
| |
| /* State delta record. */ |
| typedef struct _gcsSTATE_DELTA_RECORD * gcsSTATE_DELTA_RECORD_PTR; |
| typedef struct _gcsSTATE_DELTA_RECORD |
| { |
| /* State address. */ |
| gctUINT address; |
| |
| /* State mask. */ |
| gctUINT32 mask; |
| |
| /* State data. */ |
| gctUINT32 data; |
| } |
| gcsSTATE_DELTA_RECORD; |
| |
| /* State delta. */ |
| typedef struct _gcsSTATE_DELTA |
| { |
| /* For debugging: the number of delta in the order of creation. */ |
| #if gcmIS_DEBUG(gcdDEBUG_CODE) |
| gctUINT num; |
| #endif |
| |
| /* Main state delta ID. Every time state delta structure gets reinitialized, |
| main ID is incremented. If main state ID overflows, all map entry IDs get |
| reinitialized to make sure there is no potential erroneous match after |
| the overflow.*/ |
| gctUINT id; |
| |
| /* The number of contexts pending modification by the delta. */ |
| gctINT refCount; |
| |
| /* Vertex element count for the delta buffer. */ |
| gctUINT elementCount; |
| |
| /* Number of states currently stored in the record array. */ |
| gctUINT recordCount; |
| |
| /* Record array; holds all modified states in gcsSTATE_DELTA_RECORD. */ |
| gctUINT64 recordArray; |
| |
| /* Map entry ID is used for map entry validation. If map entry ID does not |
| match the main state delta ID, the entry and the corresponding state are |
| considered not in use. */ |
| gctUINT64 mapEntryID; |
| gctUINT mapEntryIDSize; |
| |
| /* If the map entry ID matches the main state delta ID, index points to |
| the state record in the record array. */ |
| gctUINT64 mapEntryIndex; |
| |
| /* Previous and next state deltas in gcsSTATE_DELTA. */ |
| gctUINT64 prev; |
| gctUINT64 next; |
| } |
| gcsSTATE_DELTA; |
| |
| /* Command buffer patch record. */ |
| struct _gcsPATCH |
| { |
| /* Pointer within the buffer. */ |
| gctUINT32_PTR pointer; |
| |
| /* 32-bit data to write at the specified offset. */ |
| gctUINT32 data; |
| }; |
| |
| /* List of patches for the command buffer. */ |
| struct _gcsPATCH_LIST |
| { |
| /* Array of patch records. */ |
| struct _gcsPATCH patch[1024]; |
| |
| /* Number of patches in the array. */ |
| gctUINT count; |
| |
| /* Next item in the list. */ |
| struct _gcsPATCH_LIST *next; |
| }; |
| |
| /* Command buffer object. */ |
| struct _gcoCMDBUF |
| { |
| /* The object. */ |
| gcsOBJECT object; |
| |
| /* Commit count. */ |
| gctUINT64 commitCount; |
| |
| /* Command buffer entry and exit pipes. */ |
| gcePIPE_SELECT entryPipe; |
| gcePIPE_SELECT exitPipe; |
| |
| /* Feature usage flags. */ |
| gctBOOL using2D; |
| gctBOOL using3D; |
| gctBOOL usingFilterBlit; |
| gctBOOL usingPalette; |
| |
| /* Physical address of command buffer. Just a name. */ |
| gctUINT32 physical; |
| |
| /* Logical address of command buffer. */ |
| gctUINT64 logical; |
| |
| /* Number of bytes in command buffer. */ |
| gctUINT32 bytes; |
| |
| /* Start offset into the command buffer. */ |
| gctUINT32 startOffset; |
| |
| /* Current offset into the command buffer. */ |
| gctUINT32 offset; |
| |
| /* Number of free bytes in command buffer. */ |
| gctUINT32 free; |
| |
| /* Location of the last reserved area. */ |
| gctUINT64 lastReserve; |
| gctUINT32 lastOffset; |
| |
| #if gcdSECURE_USER |
| /* Hint array for the current command buffer. */ |
| gctUINT hintArraySize; |
| gctUINT64 hintArray; |
| gctUINT64 hintArrayTail; |
| #endif |
| |
| #if gcmIS_DEBUG(gcdDEBUG_CODE) |
| /* Last load state command location and hardware address. */ |
| gctUINT64 lastLoadStatePtr; |
| gctUINT32 lastLoadStateAddress; |
| gctUINT32 lastLoadStateCount; |
| #endif |
| |
| /* Completion signal. */ |
| gctSIGNAL signal; |
| |
| /* List of patches. */ |
| struct _gcsPATCH_LIST *patchHead; |
| struct _gcsPATCH_LIST *patchTail; |
| |
| /* Link to the siblings. */ |
| gcoCMDBUF prev; |
| gcoCMDBUF next; |
| }; |
| |
| typedef struct _gcsQUEUE |
| { |
| /* Pointer to next gcsQUEUE structure in gcsQUEUE. */ |
| gctUINT64 next; |
| |
| /* Event information. */ |
| gcsHAL_INTERFACE iface; |
| } |
| gcsQUEUE; |
| |
| /* Event queue. */ |
| struct _gcoQUEUE |
| { |
| /* The object. */ |
| gcsOBJECT object; |
| |
| /* Pointer to current event queue. */ |
| gcsQUEUE_PTR head; |
| gcsQUEUE_PTR tail; |
| |
| /* chunks of the records. */ |
| gctPOINTER chunks; |
| |
| /* List of free records. */ |
| gcsQUEUE_PTR freeList; |
| |
| #define gcdIN_QUEUE_RECORD_LIMIT 16 |
| /* Number of records currently in queue */ |
| gctUINT32 recordCount; |
| }; |
| |
| struct _gcsTEMPCMDBUF |
| { |
| gctUINT32 currentByteSize; |
| gctPOINTER buffer; |
| gctBOOL inUse; |
| }; |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif /* __gc_hal_kernel_buffer_h_ */ |
