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/**************************************************************************
*
* Copyright 2003 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.
*
**************************************************************************/
#include "brw_blit.h"
#include "brw_context.h"
#include "brw_state.h"
#include "pipe/p_defines.h"
#include "pipe/p_inlines.h"
#include "pipe/internal/p_winsys_screen.h"
#include "util/u_tile.h"
#include "util/u_rect.h"
/* Assumes all values are within bounds -- no checking at this level -
* do it higher up if required.
*/
static void
brw_surface_copy(struct pipe_context *pipe,
boolean do_flip,
struct pipe_surface *dst,
unsigned dstx, unsigned dsty,
struct pipe_surface *src,
unsigned srcx, unsigned srcy, unsigned width, unsigned height)
{
assert( dst != src );
assert( dst->block.size == src->block.size );
assert( dst->block.width == src->block.height );
assert( dst->block.height == src->block.height );
if (0) {
void *dst_map = pipe->screen->surface_map( pipe->screen,
dst,
PIPE_BUFFER_USAGE_CPU_WRITE );
const void *src_map = pipe->screen->surface_map( pipe->screen,
src,
PIPE_BUFFER_USAGE_CPU_READ );
pipe_copy_rect(dst_map,
&dst->block,
dst->stride,
dstx, dsty,
width, height,
src_map,
do_flip ? -(int) src->stride : src->stride,
srcx, do_flip ? height - 1 - srcy : srcy);
pipe->screen->surface_unmap(pipe->screen, src);
pipe->screen->surface_unmap(pipe->screen, dst);
}
else {
struct brw_texture *dst_tex = (struct brw_texture *)dst->texture;
struct brw_texture *src_tex = (struct brw_texture *)src->texture;
assert(dst->block.width == 1);
assert(dst->block.height == 1);
brw_copy_blit(brw_context(pipe),
do_flip,
dst->block.size,
(short) src->stride/src->block.size, src_tex->buffer, src->offset, FALSE,
(short) dst->stride/dst->block.size, dst_tex->buffer, dst->offset, FALSE,
(short) srcx, (short) srcy, (short) dstx, (short) dsty,
(short) width, (short) height, PIPE_LOGICOP_COPY);
}
}
static void
brw_surface_fill(struct pipe_context *pipe,
struct pipe_surface *dst,
unsigned dstx, unsigned dsty,
unsigned width, unsigned height, unsigned value)
{
if (0) {
void *dst_map = pipe->screen->surface_map( pipe->screen,
dst,
PIPE_BUFFER_USAGE_CPU_WRITE );
pipe_fill_rect(dst_map, &dst->block, dst->stride, dstx, dsty, width, height, value);
pipe->screen->surface_unmap(pipe->screen, dst);
}
else {
struct brw_texture *tex = (struct brw_texture *)dst->texture;
assert(dst->block.width == 1);
assert(dst->block.height == 1);
brw_fill_blit(brw_context(pipe),
dst->block.size,
(short) dst->stride/dst->block.size,
tex->buffer, dst->offset, FALSE,
(short) dstx, (short) dsty,
(short) width, (short) height,
value);
}
}
void
brw_init_surface_functions(struct brw_context *brw)
{
brw->pipe.surface_copy = brw_surface_copy;
brw->pipe.surface_fill = brw_surface_fill;
}
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