}
#if !defined(PIPE_ARCH_SSE)
-static INLINE unsigned
-build_mask(int c, int dcdx, int dcdy)
-{
- int mask = 0;
-
- int c0 = c;
- int c1 = c0 + dcdx;
- int c2 = c1 + dcdx;
- int c3 = c2 + dcdx;
-
- mask |= ((c0 + 0 * dcdy) >> 31) & (1 << 0);
- mask |= ((c0 + 1 * dcdy) >> 31) & (1 << 2);
- mask |= ((c0 + 2 * dcdy) >> 31) & (1 << 8);
- mask |= ((c0 + 3 * dcdy) >> 31) & (1 << 10);
- mask |= ((c1 + 0 * dcdy) >> 31) & (1 << 1);
- mask |= ((c1 + 1 * dcdy) >> 31) & (1 << 3);
- mask |= ((c1 + 2 * dcdy) >> 31) & (1 << 9);
- mask |= ((c1 + 3 * dcdy) >> 31) & (1 << 11);
- mask |= ((c2 + 0 * dcdy) >> 31) & (1 << 4);
- mask |= ((c2 + 1 * dcdy) >> 31) & (1 << 6);
- mask |= ((c2 + 2 * dcdy) >> 31) & (1 << 12);
- mask |= ((c2 + 3 * dcdy) >> 31) & (1 << 14);
- mask |= ((c3 + 0 * dcdy) >> 31) & (1 << 5);
- mask |= ((c3 + 1 * dcdy) >> 31) & (1 << 7);
- mask |= ((c3 + 2 * dcdy) >> 31) & (1 << 13);
- mask |= ((c3 + 3 * dcdy) >> 31) & (1 << 15);
-
- return mask;
-}
-
static INLINE unsigned
build_mask_linear(int c, int dcdx, int dcdy)
*partmask |= build_mask_linear(c + cdiff, dcdx, dcdy);
}
+void
+lp_rast_triangle_3_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<<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);
+}
+
+void
+lp_rast_triangle_3_4(struct lp_rasterizer_task *task,
+ const union lp_rast_cmd_arg arg)
+{
+ lp_rast_triangle_3_16(task, arg);
+}
+
#else
#include <emmintrin.h>
#include "util/u_sse.h"
}
static INLINE unsigned
-build_mask(int c, int dcdx, int dcdy)
+sign_bits4(const __m128i *cstep, int cdiff)
{
- __m128i step = _mm_setr_epi32(0, dcdx, dcdy, dcdx + dcdy);
- __m128i c0 = _mm_set1_epi32(c);
- /* Get values across the quad
+ /* Adjust the step values
*/
- __m128i cstep0 = _mm_add_epi32(c0, step);
+ __m128i cio4 = _mm_set1_epi32(cdiff);
+ __m128i cstep0 = _mm_add_epi32(cstep[0], cio4);
+ __m128i cstep1 = _mm_add_epi32(cstep[1], cio4);
+ __m128i cstep2 = _mm_add_epi32(cstep[2], cio4);
+ __m128i cstep3 = _mm_add_epi32(cstep[3], cio4);
- /* Scale up step for moving between quads.
+ /* Pack down to epi8
*/
- __m128i step4 = _mm_add_epi32(step, step);
+ __m128i cstep01 = _mm_packs_epi32(cstep0, cstep1);
+ __m128i cstep23 = _mm_packs_epi32(cstep2, cstep3);
+ __m128i result = _mm_packs_epi16(cstep01, cstep23);
- /* Get values for the remaining quads:
+ /* Extract the sign bits
*/
- __m128i cstep1 = _mm_add_epi32(cstep0,
- _mm_shuffle_epi32(step4, _MM_SHUFFLE(1,1,1,1)));
- __m128i cstep2 = _mm_add_epi32(cstep0,
- _mm_shuffle_epi32(step4, _MM_SHUFFLE(2,2,2,2)));
- __m128i cstep3 = _mm_add_epi32(cstep2,
- _mm_shuffle_epi32(step4, _MM_SHUFFLE(1,1,1,1)));
+ return _mm_movemask_epi8(result);
+}
- /* pack pairs of results into epi16
- */
- __m128i cstep01 = _mm_packs_epi32(cstep0, cstep1);
- __m128i cstep23 = _mm_packs_epi32(cstep2, cstep3);
- /* pack into epi8, preserving sign bits
+#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 = 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;
*/
- __m128i result = _mm_packs_epi16(cstep01, cstep23);
+ dcdx = _mm_sub_epi32(zero, dcdx);
- /* extract sign bits to create mask
+ 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);
+
+ 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);
+ 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;
*/
- return _mm_movemask_epi8(result);
+ 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);
+
+
+ {
+ __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);
+ }
}
+#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
#define NR_PLANES 8
#include "lp_rast_tri_tmp.h"
-
-/* Special case for 3 plane triangle which is contained entirely
- * within a 16x16 block.
- */
-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 & 0xf) * 16;
- const int y = task->y + (mask >> 4) * 16;
- unsigned outmask, inmask, partmask, partial_mask;
- unsigned j;
- int c[3];
-
- outmask = 0; /* outside one or more trivial reject planes */
- partmask = 0; /* outside one or more trivial accept planes */
-
- for (j = 0; j < 3; j++) {
- c[j] = plane[j].c + plane[j].dcdy * y - plane[j].dcdx * x;
-
- {
- const int dcdx = -plane[j].dcdx * 4;
- const int dcdy = plane[j].dcdy * 4;
- const int cox = plane[j].eo * 4;
- const int cio = plane[j].ei * 4 - 1;
-
- build_masks(c[j] + cox,
- cio - cox,
- dcdx, dcdy,
- &outmask, /* sign bits from c[i][0..15] + cox */
- &partmask); /* sign bits from c[i][0..15] + cio */
- }
- }
-
- if (outmask == 0xffff)
- return;
-
- /* Mask of sub-blocks which are inside all trivial accept planes:
- */
- inmask = ~partmask & 0xffff;
-
- /* Mask of sub-blocks which are inside all trivial reject planes,
- * but outside at least one trivial accept plane:
- */
- partial_mask = partmask & ~outmask;
-
- assert((partial_mask & inmask) == 0);
-
- /* 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;
- int cx[3];
-
- partial_mask &= ~(1 << i);
-
- for (j = 0; j < 3; j++)
- cx[j] = (c[j]
- - plane[j].dcdx * ix
- + plane[j].dcdy * iy);
-
- do_block_4_3(task, tri, plane, px, py, cx);
- }
-
- /* 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;
-
- inmask &= ~(1 << i);
-
- block_full_4(task, tri, px, py);
- }
-}
projects / mesa.git / blobdiff