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/**************************************************************************
*
* Copyright 2006 Tungsten Graphics, Inc., Cedar Park, Texas.
* All Rights Reserved.
*
* Copyright 2014 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 ALIGN(x, y) (((x) + (y)-1) & ~((y)-1))
struct intel_batchbuffer {
int err;
uint8_t *base;
uint8_t *base_ptr;
uint8_t *state_base;
uint8_t *state_ptr;
int size;
uint32_t relocs[MAX_RELOCS];
uint32_t num_relocs;
};
#define OUT_BATCH(d) intel_batch_emit_dword(batch, d)
#define OUT_RELOC(batch, read_domains, write_domain, delta) \
intel_batch_emit_reloc(batch, delta)
int intel_batch_reset(struct intel_batchbuffer *batch,
void *p,
uint32_t size, uint32_t split_off);
uint32_t intel_batch_state_used(struct intel_batchbuffer *batch);
void *intel_batch_state_alloc(struct intel_batchbuffer *batch,
uint32_t size,
uint32_t align);
int intel_batch_offset(struct intel_batchbuffer *batch, const void *ptr);
int intel_batch_state_copy(struct intel_batchbuffer *batch,
const void *ptr,
const uint32_t size,
const uint32_t align);
uint32_t intel_batch_cmds_used(struct intel_batchbuffer *batch);
int intel_batch_emit_dword(struct intel_batchbuffer *batch, uint32_t dword);
int intel_batch_emit_reloc(struct intel_batchbuffer *batch,
const uint32_t delta);
uint32_t intel_batch_total_used(struct intel_batchbuffer *batch);
static inline int intel_batch_error(struct intel_batchbuffer *batch)
{
return batch->err;
}
static inline uint32_t intel_batch_state_start(struct intel_batchbuffer *batch)
{
return batch->state_base - batch->base;
}
#endif
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