const union lp_rast_cmd_arg arg)
{
union lp_rast_cmd_arg arg2;
- arg2.tri = arg.tri;
- arg2.mask = (1<<3)-1;
+ arg2.triangle.tri = arg.triangle.tri;
+ arg2.triangle.plane_mask = (1<<3)-1;
+ lp_rast_triangle_3(task, arg2);
+}
+
+void
+lp_rast_triangle_4_16(struct lp_rasterizer_task *task,
+ const union lp_rast_cmd_arg arg)
+{
+ union lp_rast_cmd_arg arg2;
+ arg2.triangle.tri = arg.triangle.tri;
+ arg2.triangle.plane_mask = (1<<4)-1;
lp_rast_triangle_3(task, arg2);
}
}
-/* Special case for 3 plane triangle which is contained entirely
- * within a 16x16 block.
- */
+#define NR_PLANES 3
+
+
+
+
+
+
+
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 = tri->plane;
- unsigned mask = arg.triangle.plane_mask;
- const int x = task->x + (mask & 0xff);
- const int y = task->y + (mask >> 8);
- unsigned outmask, inmask, partmask, partial_mask;
- unsigned j;
- __m128i cstep4[3][4];
-
- outmask = 0; /* outside one or more trivial reject planes */
- partmask = 0; /* outside one or more trivial accept planes */
-
- for (j = 0; j < 3; j++) {
- const int dcdx = -plane[j].dcdx * 4;
- const int dcdy = plane[j].dcdy * 4;
- __m128i xdcdy = _mm_set1_epi32(dcdy);
-
- cstep4[j][0] = _mm_setr_epi32(0, dcdx, dcdx*2, dcdx*3);
- cstep4[j][1] = _mm_add_epi32(cstep4[j][0], xdcdy);
- cstep4[j][2] = _mm_add_epi32(cstep4[j][1], xdcdy);
- cstep4[j][3] = _mm_add_epi32(cstep4[j][2], xdcdy);
-
- {
- const int c = plane[j].c + plane[j].dcdy * y - plane[j].dcdx * x;
- const int cox = plane[j].eo * 4;
- const int cio = plane[j].ei * 4 - 1;
-
- outmask |= sign_bits4(cstep4[j], c + cox);
- partmask |= sign_bits4(cstep4[j], c + cio);
- }
- }
+ 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);
- if (outmask == 0xffff)
- return;
+ 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);
- /* Mask of sub-blocks which are inside all trivial accept planes:
- */
- inmask = ~partmask & 0xffff;
+ dcdx2 = _mm_add_epi32(dcdx, dcdx);
+ dcdx3 = _mm_add_epi32(dcdx2, dcdx);
- /* Mask of sub-blocks which are inside all trivial reject planes,
- * but outside at least one trivial accept plane:
- */
- partial_mask = partmask & ~outmask;
+ transpose4_epi32(&zero, &dcdx, &dcdx2, &dcdx3,
+ &span_0, &span_1, &span_2, &unused);
- assert((partial_mask & inmask) == 0);
+ for (i = 0; i < 4; i++) {
+ __m128i cx = c;
- /* Iterate over partials:
- */
- while (partial_mask) {
- int i = ffs(partial_mask) - 1;
- int ix = (i & 3) * 4;
- int iy = (i >> 2) * 4;
- int px = x + ix;
- int py = y + iy;
- unsigned mask = 0xffff;
-
- partial_mask &= ~(1 << i);
-
- for (j = 0; j < 3; j++) {
- const int cx = (plane[j].c
- - plane[j].dcdx * px
- + plane[j].dcdy * py) * 4;
-
- mask &= ~sign_bits4(cstep4[j], cx);
- }
+ for (j = 0; j < 4; j++) {
+ __m128i c4rej = _mm_add_epi32(cx, rej4);
+ __m128i rej_masks = _mm_srai_epi32(c4rej, 31);
- if (mask)
- lp_rast_shade_quads_mask(task, &tri->inputs, px, py, mask);
- }
+ /* 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);
- /* Iterate over fulls:
- */
- while (inmask) {
- int i = ffs(inmask) - 1;
- int ix = (i & 3) * 4;
- int iy = (i >> 2) * 4;
- int px = x + ix;
- int py = y + iy;
+ __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));
- inmask &= ~(1 << i);
+ __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);
- block_full_4(task, tri, px, py);
+ 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 union lp_rast_cmd_arg arg)
{
const struct lp_rast_triangle *tri = arg.triangle.tri;
- const struct lp_rast_plane *plane = tri->plane;
- unsigned mask = arg.triangle.plane_mask;
- const int x = task->x + (mask & 0xff);
- const int y = task->y + (mask >> 8);
- unsigned j;
-
- /* Iterate over partials:
+ 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;
+
+ __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)));
+
+ 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);
+
+
{
- unsigned mask = 0xffff;
+ __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);
- for (j = 0; j < 3; j++) {
- const int cx = (plane[j].c
- - plane[j].dcdx * x
- + plane[j].dcdy * y);
+ __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));
- const int dcdx = -plane[j].dcdx;
- const int dcdy = plane[j].dcdy;
- __m128i xdcdy = _mm_set1_epi32(dcdy);
+ __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 cstep0 = _mm_setr_epi32(cx, cx + dcdx, cx + dcdx*2, cx + dcdx*3);
- __m128i cstep1 = _mm_add_epi32(cstep0, xdcdy);
- __m128i cstep2 = _mm_add_epi32(cstep1, xdcdy);
- __m128i cstep3 = _mm_add_epi32(cstep2, xdcdy);
+ __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 cstep01 = _mm_packs_epi32(cstep0, cstep1);
- __m128i cstep23 = _mm_packs_epi32(cstep2, cstep3);
- __m128i result = _mm_packs_epi16(cstep01, cstep23);
+ __m128i c_2 = _mm_or_si128(_mm_or_si128(c0_2, c1_2), c2_2);
- /* Extract the sign bits
- */
- mask &= ~_mm_movemask_epi8(result);
- }
+ __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);
- if (mask)
- lp_rast_shade_quads_mask(task, &tri->inputs, x, y, mask);
+ unsigned mask = _mm_movemask_epi8(c_0123);
+
+ if (mask != 0xffff)
+ lp_rast_shade_quads_mask(task,
+ &tri->inputs,
+ x,
+ y,
+ 0xffff & ~mask);
}
}
-
+#undef NR_PLANES
#endif
#define TAG(x) x##_3
#define NR_PLANES 3
+/*#define TRI_4 lp_rast_triangle_3_4*/
+/*#define TRI_16 lp_rast_triangle_3_16*/
#include "lp_rast_tri_tmp.h"
#define TAG(x) x##_4
#define NR_PLANES 4
+#define TRI_16 lp_rast_triangle_4_16
#include "lp_rast_tri_tmp.h"
#define TAG(x) x##_5
projects / mesa.git / blobdiff