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/**************************************************************************
*
* Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
* 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 I915_BATCHBUFFER_H
#define I915_BATCHBUFFER_H
#include "i915_winsys.h"
struct i915_context;
static INLINE boolean
i915_winsys_batchbuffer_check(struct i915_winsys_batchbuffer *batch,
size_t dwords,
size_t relocs)
{
return dwords * 4 <= batch->size - (batch->ptr - batch->map) &&
relocs <= (batch->max_relocs - batch->relocs);
}
static INLINE size_t
i915_winsys_batchbuffer_space(struct i915_winsys_batchbuffer *batch)
{
return batch->size - (batch->ptr - batch->map);
}
static INLINE void
i915_winsys_batchbuffer_dword(struct i915_winsys_batchbuffer *batch,
unsigned dword)
{
if (i915_winsys_batchbuffer_space(batch) < 4)
return;
*(unsigned *)batch->ptr = dword;
batch->ptr += 4;
}
static INLINE void
i915_winsys_batchbuffer_write(struct i915_winsys_batchbuffer *batch,
void *data,
size_t size)
{
if (i915_winsys_batchbuffer_space(batch) < size)
return;
memcpy(data, batch->ptr, size);
batch->ptr += size;
}
static INLINE int
i915_winsys_batchbuffer_reloc(struct i915_winsys_batchbuffer *batch,
struct i915_winsys_buffer *buffer,
enum i915_winsys_buffer_usage usage,
size_t offset, bool fenced)
{
return batch->iws->batchbuffer_reloc(batch, buffer, usage, offset, fenced);
}
#endif
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