107 lines
4.0 KiB
C
107 lines
4.0 KiB
C
/**************************************************************************
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*
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* Copyright 2006 Tungsten Graphics, Inc., Cedar Park, Texas.
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* All Rights Reserved.
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*
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* Copyright 2014, 2015 Intel Corporation
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* All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sub license, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial portions
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* of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
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* IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
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* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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**************************************************************************/
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#ifndef _INTEL_BATCHBUFFER_H
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#define _INTEL_BATCHBUFFER_H
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#include <stdint.h>
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#define MAX_RELOCS 64
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#define MAX_ITEMS 1024
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#define MAX_STRLEN 256
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#define ALIGN(x, y) (((x) + (y)-1) & ~((y)-1))
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typedef enum {
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UNINITIALIZED,
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CMD,
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STATE,
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RELOC,
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RELOC_STATE,
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STATE_OFFSET,
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PAD,
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} item_type;
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struct bb_item {
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uint32_t data;
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item_type type;
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char str[MAX_STRLEN];
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};
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struct bb_area {
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struct bb_item item[MAX_ITEMS];
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unsigned long num_items;
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};
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struct intel_batchbuffer {
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struct bb_area *cmds;
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struct bb_area *state;
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unsigned long cmds_end_offset;
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unsigned long state_start_offset;
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};
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struct intel_batchbuffer *intel_batchbuffer_create(void);
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#define OUT_CMD_B(cmd, len, bias) intel_batch_cmd_emit_null(batch, (cmd), (len), (bias), #cmd " " #len)
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#define OUT_CMD(cmd, len) OUT_CMD_B(cmd, len, 2)
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#define OUT_BATCH(d) bb_area_emit(batch->cmds, d, CMD, #d)
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#define OUT_BATCH_STATE_OFFSET(d) bb_area_emit(batch->cmds, d, STATE_OFFSET, #d)
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#define OUT_RELOC(batch, read_domain, write_domain, d) bb_area_emit(batch->cmds, d, RELOC, #d)
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#define OUT_RELOC_STATE(batch, read_domain, write_domain, d) bb_area_emit(batch->cmds, d, RELOC_STATE, #d);
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#define OUT_STATE(d) bb_area_emit(batch->state, d, STATE, #d)
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#define OUT_STATE_OFFSET(offset) bb_area_emit(batch->state, offset, STATE_OFFSET, #offset)
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#define OUT_STATE_STRUCT(name, align) intel_batch_state_copy(batch, &name, sizeof(name), align, #name " " #align)
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uint32_t intel_batch_state_copy(struct intel_batchbuffer *batch, const void *d, unsigned bytes, unsigned align,
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const char *name);
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uint32_t intel_batch_state_alloc(struct intel_batchbuffer *batch, unsigned bytes, unsigned align,
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const char *name);
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uint32_t intel_batch_state_offset(struct intel_batchbuffer *batch, unsigned align);
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unsigned intel_batch_num_cmds(struct intel_batchbuffer *batch);
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struct bb_item *intel_batch_state_get(struct intel_batchbuffer *batch, unsigned i);
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unsigned intel_batch_num_state(struct intel_batchbuffer *batch);
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struct bb_item *intel_batch_cmd_get(struct intel_batchbuffer *batch, unsigned i);
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int intel_batch_is_reloc(struct intel_batchbuffer *batch, unsigned i);
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void intel_batch_relocate_state(struct intel_batchbuffer *batch);
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const char *intel_batch_type_as_str(const struct bb_item *item);
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void bb_area_emit(struct bb_area *a, uint32_t dword, item_type type, const char *str);
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void bb_area_emit_offset(struct bb_area *a, unsigned i, uint32_t dword, item_type type, const char *str);
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void intel_batch_cmd_emit_null(struct intel_batchbuffer *batch,
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const int cmd,
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const int len, const int len_bias,
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const char *str);
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#endif
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