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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 "i915_blit.h"
#include "i915_reg.h"
#include "i915_batch.h"
#include "i915_debug.h"
void
i915_fill_blit(struct i915_context *i915,
unsigned cpp,
unsigned rgba_mask,
unsigned short dst_pitch,
struct i915_winsys_buffer *dst_buffer,
unsigned dst_offset,
short x, short y,
short w, short h,
unsigned color)
{
unsigned BR13, CMD;
I915_DBG(DBG_BLIT, "%s dst:buf(%p)/%d+%d %d,%d sz:%dx%d\n",
__FUNCTION__, dst_buffer, dst_pitch, dst_offset, x, y, w, h);
switch (cpp) {
case 1:
case 2:
case 3:
BR13 = (((int) dst_pitch) & 0xffff) |
(0xF0 << 16) | (1 << 24);
CMD = XY_COLOR_BLT_CMD;
break;
case 4:
BR13 = (((int) dst_pitch) & 0xffff) |
(0xF0 << 16) | (1 << 24) | (1 << 25);
CMD = (XY_COLOR_BLT_CMD | rgba_mask);
break;
default:
return;
}
if (!BEGIN_BATCH(6, 1)) {
FLUSH_BATCH(NULL);
assert(BEGIN_BATCH(6, 1));
}
OUT_BATCH(CMD);
OUT_BATCH(BR13);
OUT_BATCH((y << 16) | x);
OUT_BATCH(((y + h) << 16) | (x + w));
OUT_RELOC(dst_buffer, I915_USAGE_2D_TARGET, dst_offset);
OUT_BATCH(color);
FLUSH_BATCH(NULL);
}
void
i915_copy_blit(struct i915_context *i915,
unsigned cpp,
unsigned short src_pitch,
struct i915_winsys_buffer *src_buffer,
unsigned src_offset,
unsigned short dst_pitch,
struct i915_winsys_buffer *dst_buffer,
unsigned dst_offset,
short src_x, short src_y,
short dst_x, short dst_y,
short w, short h)
{
unsigned CMD, BR13;
int dst_y2 = dst_y + h;
int dst_x2 = dst_x + w;
I915_DBG(DBG_BLIT,
"%s src:buf(%p)/%d+%d %d,%d dst:buf(%p)/%d+%d %d,%d sz:%dx%d\n",
__FUNCTION__,
src_buffer, src_pitch, src_offset, src_x, src_y,
dst_buffer, dst_pitch, dst_offset, dst_x, dst_y, w, h);
switch (cpp) {
case 1:
case 2:
case 3:
BR13 = (((int) dst_pitch) & 0xffff) |
(0xCC << 16) | (1 << 24);
CMD = XY_SRC_COPY_BLT_CMD;
break;
case 4:
BR13 = (((int) dst_pitch) & 0xffff) |
(0xCC << 16) | (1 << 24) | (1 << 25);
CMD = (XY_SRC_COPY_BLT_CMD | XY_SRC_COPY_BLT_WRITE_ALPHA |
XY_SRC_COPY_BLT_WRITE_RGB);
break;
default:
return;
}
if (dst_y2 < dst_y || dst_x2 < dst_x) {
return;
}
/* Hardware can handle negative pitches but loses the ability to do
* proper overlapping blits in that case. We don't really have a
* need for either at this stage.
*/
assert (dst_pitch > 0 && src_pitch > 0);
if (!BEGIN_BATCH(8, 2)) {
FLUSH_BATCH(NULL);
assert(BEGIN_BATCH(8, 2));
}
OUT_BATCH(CMD);
OUT_BATCH(BR13);
OUT_BATCH((dst_y << 16) | dst_x);
OUT_BATCH((dst_y2 << 16) | dst_x2);
OUT_RELOC(dst_buffer, I915_USAGE_2D_TARGET, dst_offset);
OUT_BATCH((src_y << 16) | src_x);
OUT_BATCH(((int) src_pitch & 0xffff));
OUT_RELOC(src_buffer, I915_USAGE_2D_SOURCE, src_offset);
FLUSH_BATCH(NULL);
}
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