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/**************************************************************************
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 *
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 * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
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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 I915_BATCHBUFFER_H
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#define I915_BATCHBUFFER_H
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#include "i915_winsys.h"
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#include "util/u_debug.h"
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struct i915_context;
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static INLINE size_t
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i915_winsys_batchbuffer_space(struct i915_winsys_batchbuffer *batch)
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{
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   return batch->size - (batch->ptr - batch->map);
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}
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static INLINE boolean
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i915_winsys_batchbuffer_check(struct i915_winsys_batchbuffer *batch,
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                              size_t dwords)
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{
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   return dwords * 4 <= i915_winsys_batchbuffer_space(batch);
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}
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static INLINE void
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i915_winsys_batchbuffer_dword_unchecked(struct i915_winsys_batchbuffer *batch,
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                                        unsigned dword)
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{
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   *(unsigned *)batch->ptr = dword;
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   batch->ptr += 4;
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}
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static INLINE void
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i915_winsys_batchbuffer_float(struct i915_winsys_batchbuffer *batch,
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                              float f)
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{
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   union { float f; unsigned int ui; } uif;
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   uif.f = f;
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   assert (i915_winsys_batchbuffer_space(batch) >= 4);
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   i915_winsys_batchbuffer_dword_unchecked(batch, uif.ui);
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}
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static INLINE void
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i915_winsys_batchbuffer_dword(struct i915_winsys_batchbuffer *batch,
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                              unsigned dword)
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{
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   assert (i915_winsys_batchbuffer_space(batch) >= 4);
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   i915_winsys_batchbuffer_dword_unchecked(batch, dword);
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}
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static INLINE void
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i915_winsys_batchbuffer_write(struct i915_winsys_batchbuffer *batch,
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                              void *data,
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                              size_t size)
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{
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   assert (i915_winsys_batchbuffer_space(batch) >= size);
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   memcpy(batch->ptr, data, size);
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   batch->ptr += size;
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}
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static INLINE boolean
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i915_winsys_validate_buffers(struct i915_winsys_batchbuffer *batch,
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                             struct i915_winsys_buffer **buffers,
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                             int num_of_buffers)
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{
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   return batch->iws->validate_buffers(batch, buffers, num_of_buffers);
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}
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static INLINE int
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i915_winsys_batchbuffer_reloc(struct i915_winsys_batchbuffer *batch,
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                              struct i915_winsys_buffer *buffer,
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                              enum i915_winsys_buffer_usage usage,
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                              size_t offset, boolean fenced)
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{
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   return batch->iws->batchbuffer_reloc(batch, buffer, usage, offset, fenced);
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}
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#endif