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lib: Split two helpers to build fast copy's dword0 and dword1

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Again, these helpers will be useful for a raw version of the gen9 fast
copy.

Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
This commit is contained in:
Damien Lespiau 2015-03-03 14:10:59 +00:00
parent 130221b3b5
commit 6533d113a9
1 changed files with 60 additions and 42 deletions
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102
lib/intel_batchbuffer.c
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@ -469,6 +469,63 @@ static uint32_t fast_copy_pitch(unsigned int stride, enum i915_tiling tiling)
return stride;
}
static uint32_t fast_copy_dword0(unsigned int src_tiling,
unsigned int dst_tiling)
{
uint32_t dword0 = 0;
dword0 |= XY_FAST_COPY_BLT;
switch (src_tiling) {
case I915_TILING_X:
dword0 |= XY_FAST_COPY_SRC_TILING_X;
break;
case I915_TILING_Y:
case I915_TILING_Yf:
dword0 |= XY_FAST_COPY_SRC_TILING_Yb_Yf;
break;
case I915_TILING_Ys:
dword0 |= XY_FAST_COPY_SRC_TILING_Ys;
break;
case I915_TILING_NONE:
default:
break;
}
switch (dst_tiling) {
case I915_TILING_X:
dword0 |= XY_FAST_COPY_DST_TILING_X;
break;
case I915_TILING_Y:
case I915_TILING_Yf:
dword0 |= XY_FAST_COPY_DST_TILING_Yb_Yf;
break;
case I915_TILING_Ys:
dword0 |= XY_FAST_COPY_DST_TILING_Ys;
break;
case I915_TILING_NONE:
default:
break;
}
return dword0;
}
static uint32_t fast_copy_dword1(unsigned int src_tiling,
unsigned int dst_tiling)
{
uint32_t dword1 = 0;
if (src_tiling == I915_TILING_Yf)
dword1 |= XY_FAST_COPY_SRC_TILING_Yf;
if (dst_tiling == I915_TILING_Yf)
dword1 |= XY_FAST_COPY_DST_TILING_Yf;
dword1 |= XY_FAST_COPY_COLOR_DEPTH_32;
return dword1;
}
/**
* igt_blitter_fast_copy:
* @batch: batchbuffer object
@ -492,10 +549,12 @@ void igt_blitter_fast_copy(struct intel_batchbuffer *batch,
struct igt_buf *dst, unsigned dst_x, unsigned dst_y)
{
uint32_t src_pitch, dst_pitch;
uint32_t dword0 = 0, dword1 = 0;
uint32_t dword0, dword1;
src_pitch = fast_copy_pitch(src->stride, src->tiling);
dst_pitch = fast_copy_pitch(dst->stride, src->tiling);
dword0 = fast_copy_dword0(src->tiling, dst->tiling);
dword1 = fast_copy_dword1(src->tiling, dst->tiling);
#define CHECK_RANGE(x) ((x) >= 0 && (x) < (1 << 15))
assert(CHECK_RANGE(src_x) && CHECK_RANGE(src_y) &&
@ -506,47 +565,6 @@ void igt_blitter_fast_copy(struct intel_batchbuffer *batch,
CHECK_RANGE(src_pitch) && CHECK_RANGE(dst_pitch));
#undef CHECK_RANGE
dword0 |= XY_FAST_COPY_BLT;
switch (src->tiling) {
case I915_TILING_X:
dword0 |= XY_FAST_COPY_SRC_TILING_X;
break;
case I915_TILING_Y:
case I915_TILING_Yf:
dword0 |= XY_FAST_COPY_SRC_TILING_Yb_Yf;
break;
case I915_TILING_Ys:
dword0 |= XY_FAST_COPY_SRC_TILING_Ys;
break;
case I915_TILING_NONE:
default:
break;
}
switch (dst->tiling) {
case I915_TILING_X:
dword0 |= XY_FAST_COPY_DST_TILING_X;
break;
case I915_TILING_Y:
case I915_TILING_Yf:
dword0 |= XY_FAST_COPY_DST_TILING_Yb_Yf;
break;
case I915_TILING_Ys:
dword0 |= XY_FAST_COPY_DST_TILING_Ys;
break;
case I915_TILING_NONE:
default:
break;
}
if (src->tiling == I915_TILING_Yf)
dword1 |= XY_FAST_COPY_SRC_TILING_Yf;
if (dst->tiling == I915_TILING_Yf)
dword1 |= XY_FAST_COPY_DST_TILING_Yf;
dword1 |= XY_FAST_COPY_COLOR_DEPTH_32;
BEGIN_BATCH(10, 2);
OUT_BATCH(dword0);
OUT_BATCH(dword1 | dst_pitch);