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i965/gen9: Remove the halign/valign field setup code in fast copy blit

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Experimentation with different values of src/dst horizontal/vertical
alignment showed that these fileds are not used on gen9 hardware.

A recent update in graphics specs has removed these fields from
XY_FAST_COPY_BLT command.

Cc: Ben Widawsky <ben@bwidawsk.net>
Cc: Chad Versace <chad.versace@intel.com>
Signed-off-by: Anuj Phogat <anuj.phogat@gmail.com>
Reviewed-by: Ben Widawsky <ben@bwidawsk.net>
This commit is contained in:
Anuj Phogat 2015-12-11 19:14:24 -08:00
parent c52e92ec3a
commit 97f0f91cc1
1 changed files with 0 additions and 65 deletions
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65
src/mesa/drivers/dri/i965/intel_blit.c
View file

@ -104,64 +104,6 @@ br13_for_cpp(int cpp)
} }
} }
static uint32_t
get_tr_horizontal_align(uint32_t tr_mode, uint32_t cpp, bool is_src) {
/* Alignment tables for YF/YS tiled surfaces. */
const uint32_t align_2d_yf[] = {64, 64, 32, 32, 16};
const uint32_t bpp = cpp * 8;
const uint32_t shift = is_src ? 17 : 10;
uint32_t align;
int i = 0;
if (tr_mode == INTEL_MIPTREE_TRMODE_NONE)
return 0;
/* Compute array index. */
assert (bpp >= 8 && bpp <= 128 && _mesa_is_pow_two(bpp));
i = ffs(bpp / 8) - 1;
align = tr_mode == INTEL_MIPTREE_TRMODE_YF ?
align_2d_yf[i] :
4 * align_2d_yf[i];
assert(_mesa_is_pow_two(align));
/* XY_FAST_COPY_BLT doesn't support horizontal alignment of 16. */
if (align == 16)
align = 32;
return (ffs(align) - 6) << shift;
}
static uint32_t
get_tr_vertical_align(uint32_t tr_mode, uint32_t cpp, bool is_src) {
/* Vertical alignment tables for YF/YS tiled surfaces. */
const unsigned align_2d_yf[] = {64, 32, 32, 16, 16};
const uint32_t bpp = cpp * 8;
const uint32_t shift = is_src ? 15 : 8;
uint32_t align;
int i = 0;
if (tr_mode == INTEL_MIPTREE_TRMODE_NONE)
return 0;
/* Compute array index. */
assert (bpp >= 8 && bpp <= 128 && _mesa_is_pow_two(bpp));
i = ffs(bpp / 8) - 1;
align = tr_mode == INTEL_MIPTREE_TRMODE_YF ?
align_2d_yf[i] :
4 * align_2d_yf[i];
assert(_mesa_is_pow_two(align));
/* XY_FAST_COPY_BLT doesn't support vertical alignments of 16 and 32. */
if (align == 16 || align == 32)
align = 64;
return (ffs(align) - 7) << shift;
}
/** /**
* Emits the packet for switching the blitter from X to Y tiled or back. * Emits the packet for switching the blitter from X to Y tiled or back.
* *
@ -457,13 +399,6 @@ xy_blit_cmd(uint32_t src_tiling, uint32_t src_tr_mode,
if (src_tiling != I915_TILING_NONE) if (src_tiling != I915_TILING_NONE)
SET_TILING_XY_FAST_COPY_BLT(src_tiling, src_tr_mode, XY_FAST_SRC); SET_TILING_XY_FAST_COPY_BLT(src_tiling, src_tr_mode, XY_FAST_SRC);
CMD |= get_tr_horizontal_align(src_tr_mode, cpp, true /* is_src */);
CMD |= get_tr_vertical_align(src_tr_mode, cpp, true /* is_src */);
CMD |= get_tr_horizontal_align(dst_tr_mode, cpp, false /* is_src */);
CMD |= get_tr_vertical_align(dst_tr_mode, cpp, false /* is_src */);
} else { } else {
assert(cpp <= 4); assert(cpp <= 4);
switch (cpp) { switch (cpp) {