diff options
Diffstat (limited to 'src/gallium/drivers/llvmpipe/lp_rast_tri.c')
-rw-r--r-- | src/gallium/drivers/llvmpipe/lp_rast_tri.c | 286 |
1 files changed, 181 insertions, 105 deletions
diff --git a/src/gallium/drivers/llvmpipe/lp_rast_tri.c b/src/gallium/drivers/llvmpipe/lp_rast_tri.c index a1f309d4b0..042c315635 100644 --- a/src/gallium/drivers/llvmpipe/lp_rast_tri.c +++ b/src/gallium/drivers/llvmpipe/lp_rast_tri.c @@ -123,6 +123,16 @@ lp_rast_triangle_3_16(struct lp_rasterizer_task *task, } 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) { @@ -230,144 +240,207 @@ sign_bits4(const __m128i *cstep, int cdiff) } -/* 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); - inmask &= ~(1 << i); + __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)); - block_full_4(task, tri, px, py); + __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 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)); - if (mask) - lp_rast_shade_quads_mask(task, &tri->inputs, x, y, mask); + __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 @@ -383,10 +456,13 @@ lp_rast_triangle_3_4(struct lp_rasterizer_task *task, #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 |