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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 <stdio.h>
#include <errno.h>
#include "brw_batch.h"
#include "brw_blit.h"
#include "brw_context.h"
#include "brw_reg.h"
#include "pipe/p_context.h"
#include "pipe/p_winsys.h"
#define FILE_DEBUG_FLAG DEBUG_BLIT
void brw_fill_blit(struct brw_context *brw,
unsigned cpp,
short dst_pitch,
struct pipe_buffer *dst_buffer,
unsigned dst_offset,
boolean dst_tiled,
short x, short y,
short w, short h,
unsigned color)
{
unsigned BR13, CMD;
BATCH_LOCALS;
dst_pitch *= cpp;
switch(cpp) {
case 1:
case 2:
case 3:
BR13 = (0xF0 << 16) | (1<<24);
CMD = XY_COLOR_BLT_CMD;
break;
case 4:
BR13 = (0xF0 << 16) | (1<<24) | (1<<25);
CMD = XY_COLOR_BLT_CMD | XY_BLT_WRITE_ALPHA | XY_BLT_WRITE_RGB;
break;
default:
return;
}
if (dst_tiled) {
CMD |= XY_DST_TILED;
dst_pitch /= 4;
}
BEGIN_BATCH(6, INTEL_BATCH_NO_CLIPRECTS);
OUT_BATCH( CMD );
OUT_BATCH( dst_pitch | BR13 );
OUT_BATCH( (y << 16) | x );
OUT_BATCH( ((y+h) << 16) | (x+w) );
OUT_RELOC( dst_buffer, BRW_BUFFER_ACCESS_WRITE, dst_offset );
OUT_BATCH( color );
ADVANCE_BATCH();
}
static unsigned translate_raster_op(unsigned logicop)
{
switch(logicop) {
case PIPE_LOGICOP_CLEAR: return 0x00;
case PIPE_LOGICOP_AND: return 0x88;
case PIPE_LOGICOP_AND_REVERSE: return 0x44;
case PIPE_LOGICOP_COPY: return 0xCC;
case PIPE_LOGICOP_AND_INVERTED: return 0x22;
case PIPE_LOGICOP_NOOP: return 0xAA;
case PIPE_LOGICOP_XOR: return 0x66;
case PIPE_LOGICOP_OR: return 0xEE;
case PIPE_LOGICOP_NOR: return 0x11;
case PIPE_LOGICOP_EQUIV: return 0x99;
case PIPE_LOGICOP_INVERT: return 0x55;
case PIPE_LOGICOP_OR_REVERSE: return 0xDD;
case PIPE_LOGICOP_COPY_INVERTED: return 0x33;
case PIPE_LOGICOP_OR_INVERTED: return 0xBB;
case PIPE_LOGICOP_NAND: return 0x77;
case PIPE_LOGICOP_SET: return 0xFF;
default: return 0;
}
}
/* Copy BitBlt
*/
void brw_copy_blit(struct brw_context *brw,
unsigned cpp,
short src_pitch,
struct pipe_buffer *src_buffer,
unsigned src_offset,
boolean src_tiled,
short dst_pitch,
struct pipe_buffer *dst_buffer,
unsigned dst_offset,
boolean dst_tiled,
short src_x, short src_y,
short dst_x, short dst_y,
short w, short h,
unsigned logic_op)
{
unsigned CMD, BR13;
int dst_y2 = dst_y + h;
int dst_x2 = dst_x + w;
BATCH_LOCALS;
DBG("%s src:buf(%d)/%d %d,%d dst:buf(%d)/%d %d,%d sz:%dx%d op:%d\n",
__FUNCTION__,
src_buffer, src_pitch, src_x, src_y,
dst_buffer, dst_pitch, dst_x, dst_y,
w,h,logic_op);
assert( logic_op - PIPE_LOGICOP_CLEAR >= 0 );
assert( logic_op - PIPE_LOGICOP_CLEAR < 0x10 );
src_pitch *= cpp;
dst_pitch *= cpp;
switch(cpp) {
case 1:
case 2:
case 3:
BR13 = (translate_raster_op(logic_op) << 16) | (1<<24);
CMD = XY_SRC_COPY_BLT_CMD;
break;
case 4:
BR13 = (translate_raster_op(logic_op) << 16) | (1<<24) |
(1<<25);
CMD = XY_SRC_COPY_BLT_CMD | XY_BLT_WRITE_ALPHA | XY_BLT_WRITE_RGB;
break;
default:
return;
}
if (src_tiled) {
CMD |= XY_SRC_TILED;
src_pitch /= 4;
}
if (dst_tiled) {
CMD |= XY_DST_TILED;
dst_pitch /= 4;
}
if (dst_y2 < dst_y ||
dst_x2 < dst_x) {
return;
}
dst_pitch &= 0xffff;
src_pitch &= 0xffff;
/* Initial y values don't seem to work with negative pitches. If
* we adjust the offsets manually (below), it seems to work fine.
*
* On the other hand, if we always adjust, the hardware doesn't
* know which blit directions to use, so overlapping copypixels get
* the wrong result.
*/
if (dst_pitch > 0 && src_pitch > 0) {
BEGIN_BATCH(8, INTEL_BATCH_NO_CLIPRECTS);
OUT_BATCH( CMD );
OUT_BATCH( dst_pitch | BR13 );
OUT_BATCH( (dst_y << 16) | dst_x );
OUT_BATCH( (dst_y2 << 16) | dst_x2 );
OUT_RELOC( dst_buffer, BRW_BUFFER_ACCESS_WRITE,
dst_offset );
OUT_BATCH( (src_y << 16) | src_x );
OUT_BATCH( src_pitch );
OUT_RELOC( src_buffer, BRW_BUFFER_ACCESS_READ,
src_offset );
ADVANCE_BATCH();
}
else {
BEGIN_BATCH(8, INTEL_BATCH_NO_CLIPRECTS);
OUT_BATCH( CMD );
OUT_BATCH( (dst_pitch & 0xffff) | BR13 );
OUT_BATCH( (0 << 16) | dst_x );
OUT_BATCH( (h << 16) | dst_x2 );
OUT_RELOC( dst_buffer, BRW_BUFFER_ACCESS_WRITE,
dst_offset + dst_y * dst_pitch );
OUT_BATCH( (src_pitch & 0xffff) );
OUT_RELOC( src_buffer, BRW_BUFFER_ACCESS_READ,
src_offset + src_y * src_pitch );
ADVANCE_BATCH();
}
}
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