static bool
sna_tiling_blt_copy_boxes__with_alpha(struct sna *sna, uint8_t alu,
struct kgem_bo *src_bo, int16_t src_dx, int16_t src_dy,
struct kgem_bo *dst_bo, int16_t dst_dx, int16_t dst_dy,
int bpp, int alpha_fixup,
const BoxRec *box, int nbox)
{
RegionRec region, tile, this;
struct kgem_bo *bo;
int max_size, step;
bool ret = false;
if (wedged(sna) ||
!kgem_bo_can_blt(&sna->kgem, src_bo) ||
!kgem_bo_can_blt(&sna->kgem, dst_bo)) {
/* XXX */
DBG(("%s: tiling blt fail: src?=%d, dst?=%d\n",
__FUNCTION__,
kgem_bo_can_blt(&sna->kgem, src_bo),
kgem_bo_can_blt(&sna->kgem, dst_bo)));
return false;
}
max_size = sna->kgem.aperture_high * PAGE_SIZE;
max_size -= MAX(kgem_bo_size(src_bo), kgem_bo_size(dst_bo));
if (max_size <= 0) {
DBG(("%s: tiles cannot fit into aperture\n", __FUNCTION__));
return false;
}
if (max_size > sna->kgem.max_copy_tile_size)
max_size = sna->kgem.max_copy_tile_size;
pixman_region_init_rects(®ion, box, nbox);
/* Use a small step to accommodate enlargement through tile alignment */
step = sna->render.max_3d_size;
if (region.extents.x1 & (8*512 / bpp - 1) || region.extents.y1 & 63)
step /= 2;
while (step * step * 4 > max_size)
step /= 2;
if (sna->kgem.gen < 033)
step /= 2; /* accommodate severe fence restrictions */
if (step == 0) {
DBG(("%s: tiles cannot fit into aperture\n", __FUNCTION__));
return false;
}
DBG(("%s (alu=%d), tile.size=%d, box=%dx[(%d, %d), (%d, %d)])\n",
__FUNCTION__, alu, step, nbox,
region.extents.x1, region.extents.y1,
region.extents.x2, region.extents.y2));
for (tile.extents.y1 = tile.extents.y2 = region.extents.y1;
tile.extents.y2 < region.extents.y2;
tile.extents.y1 = tile.extents.y2) {
int y2 = tile.extents.y1 + step;
if (y2 > region.extents.y2)
y2 = region.extents.y2;
tile.extents.y2 = y2;
for (tile.extents.x1 = tile.extents.x2 = region.extents.x1;
tile.extents.x2 < region.extents.x2;
tile.extents.x1 = tile.extents.x2) {
int w, h;
int x2 = tile.extents.x1 + step;
if (x2 > region.extents.x2)
x2 = region.extents.x2;
tile.extents.x2 = x2;
tile.data = NULL;
RegionNull(&this);
RegionIntersect(&this, ®ion, &tile);
if (RegionNil(&this))
continue;
w = this.extents.x2 - this.extents.x1;
h = this.extents.y2 - this.extents.y1;
bo = kgem_create_2d(&sna->kgem, w, h, bpp,
kgem_choose_tiling(&sna->kgem,
I915_TILING_X,
w, h, bpp),
CREATE_TEMPORARY);
if (bo) {
int16_t dx = this.extents.x1;
int16_t dy = this.extents.y1;
assert(bo->pitch <= 8192);
assert(bo->tiling != I915_TILING_Y);
if (!sna_blt_copy_boxes(sna, GXcopy,
src_bo, src_dx, src_dy,
bo, -dx, -dy,
bpp, REGION_RECTS(&this), REGION_NUM_RECTS(&this)))
goto err;
if (!sna_blt_copy_boxes__with_alpha(sna, alu,
bo, -dx, -dy,
dst_bo, dst_dx, dst_dy,
bpp, alpha_fixup,
REGION_RECTS(&this), REGION_NUM_RECTS(&this)))
goto err;
kgem_bo_destroy(&sna->kgem, bo);
}
RegionUninit(&this);
}
}
ret = true;
goto done;
err:
kgem_bo_destroy(&sna->kgem, bo);
RegionUninit(&this);
done:
pixman_region_fini(®ion);
return ret;
}
bool sna_tiling_blt_copy_boxes(struct sna *sna, uint8_t alu,
struct kgem_bo *src_bo, int16_t src_dx, int16_t src_dy,
struct kgem_bo *dst_bo, int16_t dst_dx, int16_t dst_dy,
int bpp, const BoxRec *box, int nbox)
{
RegionRec region, tile, this;
struct kgem_bo *bo;
int step;
bool ret = false;
if (!kgem_bo_can_blt(&sna->kgem, src_bo) ||
!kgem_bo_can_blt(&sna->kgem, dst_bo)) {
/* XXX */
DBG(("%s: tiling blt fail: src?=%d, dst?=%d\n",
__FUNCTION__,
kgem_bo_can_blt(&sna->kgem, src_bo),
kgem_bo_can_blt(&sna->kgem, dst_bo)));
return false;
}
pixman_region_init_rects(®ion, box, nbox);
/* Use a small step to accommodate enlargement through tile alignment */
step = sna->render.max_3d_size;
if (region.extents.x1 & (8*512 / bpp - 1) || region.extents.y1 & 63)
step /= 2;
while (step * step * 4 > sna->kgem.max_copy_tile_size)
step /= 2;
DBG(("%s (alu=%d), tile.size=%d, box=%dx[(%d, %d), (%d, %d)])\n",
__FUNCTION__, alu, step, nbox,
region.extents.x1, region.extents.y1,
region.extents.x2, region.extents.y2));
for (tile.extents.y1 = tile.extents.y2 = region.extents.y1;
tile.extents.y2 < region.extents.y2;
tile.extents.y1 = tile.extents.y2) {
tile.extents.y2 = tile.extents.y1 + step;
if (tile.extents.y2 > region.extents.y2)
tile.extents.y2 = region.extents.y2;
for (tile.extents.x1 = tile.extents.x2 = region.extents.x1;
tile.extents.x2 < region.extents.x2;
tile.extents.x1 = tile.extents.x2) {
int w, h;
tile.extents.x2 = tile.extents.x1 + step;
if (tile.extents.x2 > region.extents.x2)
tile.extents.x2 = region.extents.x2;
tile.data = NULL;
RegionNull(&this);
RegionIntersect(&this, ®ion, &tile);
if (!RegionNotEmpty(&this))
continue;
w = this.extents.x2 - this.extents.x1;
h = this.extents.y2 - this.extents.y1;
bo = kgem_create_2d(&sna->kgem, w, h, bpp,
kgem_choose_tiling(&sna->kgem,
I915_TILING_X,
w, h, bpp),
CREATE_TEMPORARY);
if (bo) {
int16_t dx = this.extents.x1;
int16_t dy = this.extents.y1;
assert(bo->pitch <= 8192);
assert(bo->tiling != I915_TILING_Y);
if (!sna_blt_copy_boxes(sna, alu,
src_bo, src_dx, src_dy,
bo, -dx, -dy,
bpp, REGION_RECTS(&this), REGION_NUM_RECTS(&this)))
goto err;
if (!sna_blt_copy_boxes(sna, alu,
bo, -dx, -dy,
dst_bo, dst_dx, dst_dy,
bpp, REGION_RECTS(&this), REGION_NUM_RECTS(&this)))
goto err;
kgem_bo_destroy(&sna->kgem, bo);
}
RegionUninit(&this);
}
}
ret = true;
goto done;
err:
kgem_bo_destroy(&sna->kgem, bo);
RegionUninit(&this);
done:
pixman_region_fini(®ion);
return ret;
}
