void
lp_rast_triangle_3_16(struct lp_rasterizer_task *task,
const union lp_rast_cmd_arg arg)
{
const struct lp_rast_triangle *tri = arg.triangle.tri;
const struct lp_rast_plane *plane = GET_PLANES(tri);
int x = (arg.triangle.plane_mask & 0xff) + task->x;
int y = (arg.triangle.plane_mask >> 8) + task->y;
unsigned i, j;
struct { unsigned mask:16; unsigned i:8; unsigned j:8; } out[16];
unsigned nr = 0;
__m128i p0 = _mm_load_si128((__m128i *)&plane[0]); /* c, dcdx, dcdy, eo */
__m128i p1 = _mm_load_si128((__m128i *)&plane[1]); /* c, dcdx, dcdy, eo */
__m128i p2 = _mm_load_si128((__m128i *)&plane[2]); /* c, dcdx, dcdy, eo */
__m128i zero = _mm_setzero_si128();
__m128i c;
__m128i dcdx;
__m128i dcdy;
__m128i rej4;
__m128i dcdx2;
__m128i dcdx3;
__m128i span_0; /* 0,dcdx,2dcdx,3dcdx for plane 0 */
__m128i span_1; /* 0,dcdx,2dcdx,3dcdx for plane 1 */
__m128i span_2; /* 0,dcdx,2dcdx,3dcdx for plane 2 */
__m128i unused;
transpose4_epi32(&p0, &p1, &p2, &zero,
&c, &dcdx, &dcdy, &rej4);
/* Adjust dcdx;
*/
dcdx = _mm_sub_epi32(zero, dcdx);
c = _mm_add_epi32(c, mm_mullo_epi32(dcdx, _mm_set1_epi32(x)));
c = _mm_add_epi32(c, mm_mullo_epi32(dcdy, _mm_set1_epi32(y)));
rej4 = _mm_slli_epi32(rej4, 2);
/* Adjust so we can just check the sign bit (< 0 comparison), instead of having to do a less efficient <= 0 comparison */
c = _mm_sub_epi32(c, _mm_set1_epi32(1));
rej4 = _mm_add_epi32(rej4, _mm_set1_epi32(1));
dcdx2 = _mm_add_epi32(dcdx, dcdx);
dcdx3 = _mm_add_epi32(dcdx2, dcdx);
transpose4_epi32(&zero, &dcdx, &dcdx2, &dcdx3,
&span_0, &span_1, &span_2, &unused);
for (i = 0; i < 4; i++) {
__m128i cx = c;
for (j = 0; j < 4; j++) {
__m128i c4rej = _mm_add_epi32(cx, rej4);
__m128i rej_masks = _mm_srai_epi32(c4rej, 31);
/* if (is_zero(rej_masks)) */
if (_mm_movemask_epi8(rej_masks) == 0) {
__m128i c0_0 = _mm_add_epi32(SCALAR_EPI32(cx, 0), span_0);
__m128i c1_0 = _mm_add_epi32(SCALAR_EPI32(cx, 1), span_1);
__m128i c2_0 = _mm_add_epi32(SCALAR_EPI32(cx, 2), span_2);
__m128i c_0 = _mm_or_si128(_mm_or_si128(c0_0, c1_0), c2_0);
__m128i c0_1 = _mm_add_epi32(c0_0, SCALAR_EPI32(dcdy, 0));
__m128i c1_1 = _mm_add_epi32(c1_0, SCALAR_EPI32(dcdy, 1));
__m128i c2_1 = _mm_add_epi32(c2_0, SCALAR_EPI32(dcdy, 2));
__m128i c_1 = _mm_or_si128(_mm_or_si128(c0_1, c1_1), c2_1);
__m128i c_01 = _mm_packs_epi32(c_0, c_1);
__m128i c0_2 = _mm_add_epi32(c0_1, SCALAR_EPI32(dcdy, 0));
__m128i c1_2 = _mm_add_epi32(c1_1, SCALAR_EPI32(dcdy, 1));
__m128i c2_2 = _mm_add_epi32(c2_1, SCALAR_EPI32(dcdy, 2));
__m128i c_2 = _mm_or_si128(_mm_or_si128(c0_2, c1_2), c2_2);
__m128i c0_3 = _mm_add_epi32(c0_2, SCALAR_EPI32(dcdy, 0));
__m128i c1_3 = _mm_add_epi32(c1_2, SCALAR_EPI32(dcdy, 1));
__m128i c2_3 = _mm_add_epi32(c2_2, SCALAR_EPI32(dcdy, 2));
__m128i c_3 = _mm_or_si128(_mm_or_si128(c0_3, c1_3), c2_3);
__m128i c_23 = _mm_packs_epi32(c_2, c_3);
__m128i c_0123 = _mm_packs_epi16(c_01, c_23);
unsigned mask = _mm_movemask_epi8(c_0123);
out[nr].i = i;
out[nr].j = j;
out[nr].mask = mask;
if (mask != 0xffff)
nr++;
}
cx = _mm_add_epi32(cx, _mm_slli_epi32(dcdx, 2));
}
c = _mm_add_epi32(c, _mm_slli_epi32(dcdy, 2));
}
for (i = 0; i < nr; i++)
lp_rast_shade_quads_mask(task,
&tri->inputs,
x + 4 * out[i].j,
y + 4 * out[i].i,
0xffff & ~out[i].mask);
}
void
lp_rast_triangle_3_4(struct lp_rasterizer_task *task,
const union lp_rast_cmd_arg arg)
{
const struct lp_rast_triangle *tri = arg.triangle.tri;
const struct lp_rast_plane *plane = GET_PLANES(tri);
unsigned x = (arg.triangle.plane_mask & 0xff) + task->x;
unsigned y = (arg.triangle.plane_mask >> 8) + task->y;
__m128i p0 = _mm_load_si128((__m128i *)&plane[0]); /* c, dcdx, dcdy, eo */
__m128i p1 = _mm_load_si128((__m128i *)&plane[1]); /* c, dcdx, dcdy, eo */
__m128i p2 = _mm_load_si128((__m128i *)&plane[2]); /* c, dcdx, dcdy, eo */
__m128i zero = _mm_setzero_si128();
__m128i c;
__m128i dcdx;
__m128i dcdy;
__m128i dcdx2;
__m128i dcdx3;
__m128i span_0; /* 0,dcdx,2dcdx,3dcdx for plane 0 */
__m128i span_1; /* 0,dcdx,2dcdx,3dcdx for plane 1 */
__m128i span_2; /* 0,dcdx,2dcdx,3dcdx for plane 2 */
__m128i unused;
transpose4_epi32(&p0, &p1, &p2, &zero,
&c, &dcdx, &dcdy, &unused);
/* Adjust dcdx;
*/
dcdx = _mm_sub_epi32(zero, dcdx);
c = _mm_add_epi32(c, mm_mullo_epi32(dcdx, _mm_set1_epi32(x)));
c = _mm_add_epi32(c, mm_mullo_epi32(dcdy, _mm_set1_epi32(y)));
/* Adjust so we can just check the sign bit (< 0 comparison), instead of having to do a less efficient <= 0 comparison */
c = _mm_sub_epi32(c, _mm_set1_epi32(1));
dcdx2 = _mm_add_epi32(dcdx, dcdx);
dcdx3 = _mm_add_epi32(dcdx2, dcdx);
transpose4_epi32(&zero, &dcdx, &dcdx2, &dcdx3,
&span_0, &span_1, &span_2, &unused);
{
__m128i c0_0 = _mm_add_epi32(SCALAR_EPI32(c, 0), span_0);
__m128i c1_0 = _mm_add_epi32(SCALAR_EPI32(c, 1), span_1);
__m128i c2_0 = _mm_add_epi32(SCALAR_EPI32(c, 2), span_2);
__m128i c_0 = _mm_or_si128(_mm_or_si128(c0_0, c1_0), c2_0);
__m128i c0_1 = _mm_add_epi32(c0_0, SCALAR_EPI32(dcdy, 0));
__m128i c1_1 = _mm_add_epi32(c1_0, SCALAR_EPI32(dcdy, 1));
__m128i c2_1 = _mm_add_epi32(c2_0, SCALAR_EPI32(dcdy, 2));
__m128i c_1 = _mm_or_si128(_mm_or_si128(c0_1, c1_1), c2_1);
__m128i c_01 = _mm_packs_epi32(c_0, c_1);
__m128i c0_2 = _mm_add_epi32(c0_1, SCALAR_EPI32(dcdy, 0));
__m128i c1_2 = _mm_add_epi32(c1_1, SCALAR_EPI32(dcdy, 1));
__m128i c2_2 = _mm_add_epi32(c2_1, SCALAR_EPI32(dcdy, 2));
__m128i c_2 = _mm_or_si128(_mm_or_si128(c0_2, c1_2), c2_2);
__m128i c0_3 = _mm_add_epi32(c0_2, SCALAR_EPI32(dcdy, 0));
__m128i c1_3 = _mm_add_epi32(c1_2, SCALAR_EPI32(dcdy, 1));
__m128i c2_3 = _mm_add_epi32(c2_2, SCALAR_EPI32(dcdy, 2));
__m128i c_3 = _mm_or_si128(_mm_or_si128(c0_3, c1_3), c2_3);
__m128i c_23 = _mm_packs_epi32(c_2, c_3);
__m128i c_0123 = _mm_packs_epi16(c_01, c_23);
unsigned mask = _mm_movemask_epi8(c_0123);
if (mask != 0xffff)
lp_rast_shade_quads_mask(task,
&tri->inputs,
x,
y,
0xffff & ~mask);
}
}
void
lp_rast_triangle_32_3_16(struct lp_rasterizer_task *task,
const union lp_rast_cmd_arg arg)
{
const struct lp_rast_triangle *tri = arg.triangle.tri;
const struct lp_rast_plane *plane = GET_PLANES(tri);
int x = (arg.triangle.plane_mask & 0xff) + task->x;
int y = (arg.triangle.plane_mask >> 8) + task->y;
unsigned i, j;
struct { unsigned mask:16; unsigned i:8; unsigned j:8; } out[16];
unsigned nr = 0;
__m128i p0 = lp_plane_to_m128i(&plane[0]); /* c, dcdx, dcdy, eo */
__m128i p1 = lp_plane_to_m128i(&plane[1]); /* c, dcdx, dcdy, eo */
__m128i p2 = lp_plane_to_m128i(&plane[2]); /* c, dcdx, dcdy, eo */
__m128i zero = vec_splats((unsigned char) 0);
__m128i c;
__m128i dcdx;
__m128i dcdy;
__m128i rej4;
__m128i dcdx2;
__m128i dcdx3;
__m128i span_0; /* 0,dcdx,2dcdx,3dcdx for plane 0 */
__m128i span_1; /* 0,dcdx,2dcdx,3dcdx for plane 1 */
__m128i span_2; /* 0,dcdx,2dcdx,3dcdx for plane 2 */
__m128i unused;
__m128i vshuf_mask0;
__m128i vshuf_mask1;
__m128i vshuf_mask2;
#ifdef PIPE_ARCH_LITTLE_ENDIAN
vshuf_mask0 = (__m128i) vec_splats((unsigned int) 0x03020100);
vshuf_mask1 = (__m128i) vec_splats((unsigned int) 0x07060504);
vshuf_mask2 = (__m128i) vec_splats((unsigned int) 0x0B0A0908);
#else
vshuf_mask0 = (__m128i) vec_splats((unsigned int) 0x0C0D0E0F);
vshuf_mask1 = (__m128i) vec_splats((unsigned int) 0x08090A0B);
vshuf_mask2 = (__m128i) vec_splats((unsigned int) 0x04050607);
#endif
transpose4_epi32(&p0, &p1, &p2, &zero,
&c, &dcdx, &dcdy, &rej4);
/* Adjust dcdx;
*/
dcdx = vec_sub_epi32(zero, dcdx);
c = vec_add_epi32(c, vec_mullo_epi32(dcdx, (__m128i) vec_splats(x)));
c = vec_add_epi32(c, vec_mullo_epi32(dcdy, (__m128i) vec_splats(y)));
rej4 = vec_slli_epi32(rej4, 2);
/*
* Adjust so we can just check the sign bit (< 0 comparison),
* instead of having to do a less efficient <= 0 comparison
*/
c = vec_sub_epi32(c, (__m128i) vec_splats((unsigned int) 1));
rej4 = vec_add_epi32(rej4, (__m128i) vec_splats((unsigned int) 1));
dcdx2 = vec_add_epi32(dcdx, dcdx);
dcdx3 = vec_add_epi32(dcdx2, dcdx);
transpose4_epi32(&zero, &dcdx, &dcdx2, &dcdx3,
&span_0, &span_1, &span_2, &unused);
for (i = 0; i < 4; i++) {
__m128i cx = c;
for (j = 0; j < 4; j++) {
__m128i c4rej = vec_add_epi32(cx, rej4);
__m128i rej_masks = vec_srai_epi32(c4rej, 31);
/* if (is_zero(rej_masks)) */
if (vec_movemask_epi8(rej_masks) == 0) {
__m128i c0_0 = vec_add_epi32(vec_perm(cx, cx, vshuf_mask0), span_0);
__m128i c1_0 = vec_add_epi32(vec_perm(cx, cx, vshuf_mask1), span_1);
__m128i c2_0 = vec_add_epi32(vec_perm(cx, cx, vshuf_mask2), span_2);
__m128i c_0 = vec_or(vec_or(c0_0, c1_0), c2_0);
__m128i c0_1 = vec_add_epi32(c0_0, vec_perm(dcdy, dcdy, vshuf_mask0));
__m128i c1_1 = vec_add_epi32(c1_0, vec_perm(dcdy, dcdy, vshuf_mask1));
__m128i c2_1 = vec_add_epi32(c2_0, vec_perm(dcdy, dcdy, vshuf_mask2));
__m128i c_1 = vec_or(vec_or(c0_1, c1_1), c2_1);
__m128i c_01 = vec_packs_epi32(c_0, c_1);
__m128i c0_2 = vec_add_epi32(c0_1, vec_perm(dcdy, dcdy, vshuf_mask0));
__m128i c1_2 = vec_add_epi32(c1_1, vec_perm(dcdy, dcdy, vshuf_mask1));
__m128i c2_2 = vec_add_epi32(c2_1, vec_perm(dcdy, dcdy, vshuf_mask2));
__m128i c_2 = vec_or(vec_or(c0_2, c1_2), c2_2);
__m128i c0_3 = vec_add_epi32(c0_2, vec_perm(dcdy, dcdy, vshuf_mask0));
__m128i c1_3 = vec_add_epi32(c1_2, vec_perm(dcdy, dcdy, vshuf_mask1));
__m128i c2_3 = vec_add_epi32(c2_2, vec_perm(dcdy, dcdy, vshuf_mask2));
__m128i c_3 = vec_or(vec_or(c0_3, c1_3), c2_3);
__m128i c_23 = vec_packs_epi32(c_2, c_3);
__m128i c_0123 = vec_packs_epi16(c_01, c_23);
unsigned mask = vec_movemask_epi8(c_0123);
out[nr].i = i;
out[nr].j = j;
out[nr].mask = mask;
if (mask != 0xffff)
nr++;
}
cx = vec_add_epi32(cx, vec_slli_epi32(dcdx, 2));
}
c = vec_add_epi32(c, vec_slli_epi32(dcdy, 2));
}
for (i = 0; i < nr; i++)
lp_rast_shade_quads_mask(task,
&tri->inputs,
x + 4 * out[i].j,
y + 4 * out[i].i,
0xffff & ~out[i].mask);
}