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/**************************************************************************
*
* Copyright 2006 Tungsten Graphics, Inc., Cedar Park, Texas.
* All Rights Reserved.
*
* Copyright 2014, 2015 Intel Corporation
* All Rights Reserved.
*
* 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, sub license, 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 (including the
* next paragraph) 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 NON-INFRINGEMENT.
* IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS 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.
*
**************************************************************************/
#ifndef _INTEL_BATCHBUFFER_H
#define _INTEL_BATCHBUFFER_H
#include <stdint.h>
#define MAX_RELOCS 64
#define MAX_ITEMS 1024
#define MAX_STRLEN 256
#define ALIGN(x, y) (((x) + (y)-1) & ~((y)-1))
typedef enum {
UNINITIALIZED,
CMD,
STATE,
RELOC,
RELOC_STATE,
STATE_OFFSET,
PAD,
} item_type;
struct bb_item {
uint32_t data;
item_type type;
char str[MAX_STRLEN];
};
struct bb_area {
struct bb_item item[MAX_ITEMS];
unsigned long num_items;
};
struct intel_batchbuffer {
struct bb_area *cmds;
struct bb_area *state;
unsigned long cmds_end_offset;
unsigned long state_start_offset;
};
struct intel_batchbuffer *intel_batchbuffer_create(void);
#define OUT_CMD_B(cmd, len, bias) intel_batch_cmd_emit_null(batch, (cmd), (len), (bias), #cmd " " #len)
#define OUT_CMD(cmd, len) OUT_CMD_B(cmd, len, 2)
#define OUT_BATCH(d) bb_area_emit(batch->cmds, d, CMD, #d)
#define OUT_BATCH_STATE_OFFSET(d) bb_area_emit(batch->cmds, d, STATE_OFFSET, #d)
#define OUT_RELOC(batch, read_domain, write_domain, d) bb_area_emit(batch->cmds, d, RELOC, #d)
#define OUT_RELOC_STATE(batch, read_domain, write_domain, d) bb_area_emit(batch->cmds, d, RELOC_STATE, #d);
#define OUT_STATE(d) bb_area_emit(batch->state, d, STATE, #d)
#define OUT_STATE_OFFSET(offset) bb_area_emit(batch->state, offset, STATE_OFFSET, #offset)
#define OUT_STATE_STRUCT(name, align) intel_batch_state_copy(batch, &name, sizeof(name), align, #name " " #align)
uint32_t intel_batch_state_copy(struct intel_batchbuffer *batch, const void *d, unsigned bytes, unsigned align,
const char *name);
uint32_t intel_batch_state_alloc(struct intel_batchbuffer *batch, unsigned bytes, unsigned align,
const char *name);
uint32_t intel_batch_state_offset(struct intel_batchbuffer *batch, unsigned align);
unsigned intel_batch_num_cmds(struct intel_batchbuffer *batch);
struct bb_item *intel_batch_state_get(struct intel_batchbuffer *batch, unsigned i);
unsigned intel_batch_num_state(struct intel_batchbuffer *batch);
struct bb_item *intel_batch_cmd_get(struct intel_batchbuffer *batch, unsigned i);
int intel_batch_is_reloc(struct intel_batchbuffer *batch, unsigned i);
void intel_batch_relocate_state(struct intel_batchbuffer *batch);
const char *intel_batch_type_as_str(const struct bb_item *item);
void bb_area_emit(struct bb_area *a, uint32_t dword, item_type type, const char *str);
void bb_area_emit_offset(struct bb_area *a, unsigned i, uint32_t dword, item_type type, const char *str);
void intel_batch_cmd_emit_null(struct intel_batchbuffer *batch,
const int cmd,
const int len, const int len_bias,
const char *str);
#endif