166 lines
5.0 KiB
C
166 lines
5.0 KiB
C
/**************************************************************************
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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 P_TILE_H
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#define P_TILE_H
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#include "pipe/p_compiler.h"
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#include "pipe/p_format.h"
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#include "pipe/p_state.h"
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struct pipe_context;
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struct pipe_transfer;
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/**
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* Clip tile against transfer dims.
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*
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* XXX: this only clips width and height!
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*
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* \return TRUE if tile is totally clipped, FALSE otherwise
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*/
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static INLINE boolean
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u_clip_tile(uint x, uint y, uint *w, uint *h, const struct pipe_box *box)
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{
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if ((int) x >= box->width)
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return TRUE;
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if ((int) y >= box->height)
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return TRUE;
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if ((int) (x + *w) > box->width)
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*w = box->width - x;
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if ((int) (y + *h) > box->height)
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*h = box->height - y;
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return FALSE;
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}
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#ifdef __cplusplus
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extern "C" {
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#endif
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void
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pipe_get_tile_raw(struct pipe_transfer *pt,
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const void *src,
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uint x, uint y, uint w, uint h,
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void *p, int dst_stride);
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void
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pipe_put_tile_raw(struct pipe_transfer *pt,
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void *dst,
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uint x, uint y, uint w, uint h,
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const void *p, int src_stride);
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void
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pipe_get_tile_rgba(struct pipe_transfer *pt,
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const void *src,
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uint x, uint y, uint w, uint h,
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float *p);
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void
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pipe_get_tile_rgba_format(struct pipe_transfer *pt,
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const void *src,
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uint x, uint y, uint w, uint h,
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enum pipe_format format,
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float *p);
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void
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pipe_put_tile_rgba(struct pipe_transfer *pt,
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void *dst,
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uint x, uint y, uint w, uint h,
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const float *p);
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void
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pipe_put_tile_rgba_format(struct pipe_transfer *pt,
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void *dst,
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uint x, uint y, uint w, uint h,
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enum pipe_format format,
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const float *p);
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void
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pipe_get_tile_z(struct pipe_transfer *pt,
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const void *src,
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uint x, uint y, uint w, uint h,
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uint *z);
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void
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pipe_put_tile_z(struct pipe_transfer *pt,
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void *dst,
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uint x, uint y, uint w, uint h,
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const uint *z);
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void
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pipe_tile_raw_to_rgba(enum pipe_format format,
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const void *src,
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uint w, uint h,
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float *dst, unsigned dst_stride);
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void
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pipe_tile_raw_to_unsigned(enum pipe_format format,
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const void *src,
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uint w, uint h,
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unsigned *dst, unsigned dst_stride);
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void
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pipe_tile_raw_to_signed(enum pipe_format format,
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void *src,
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uint w, uint h,
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int *dst, unsigned dst_stride);
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void
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pipe_get_tile_ui_format(struct pipe_transfer *pt,
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const void *src,
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uint x, uint y, uint w, uint h,
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enum pipe_format format,
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unsigned int *p);
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void
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pipe_get_tile_i_format(struct pipe_transfer *pt,
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const void *src,
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uint x, uint y, uint w, uint h,
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enum pipe_format format,
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int *p);
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void
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pipe_put_tile_ui_format(struct pipe_transfer *pt,
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void *dst,
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uint x, uint y, uint w, uint h,
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enum pipe_format format,
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const unsigned *p);
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void
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pipe_put_tile_i_format(struct pipe_transfer *pt,
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void *dst,
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uint x, uint y, uint w, uint h,
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enum pipe_format format,
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const int *p);
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#ifdef __cplusplus
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}
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#endif
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#endif
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