#include "lp_debug.h"
#include "lp_perf.h"
#include "lp_rast_priv.h"
-#include "lp_tile_soa.h"
-
-
-/**
- * Map an index in [0,15] to an x,y position, multiplied by 4.
- * This is used to get the position of each subtile in a 4x4
- * grid of edge step values.
- * Note: we can use some bit twiddling to compute these values instead
- * of using a look-up table, but there's no measurable performance
- * difference.
- */
-static const int pos_table4[16][2] = {
- { 0, 0 },
- { 4, 0 },
- { 0, 4 },
- { 4, 4 },
- { 8, 0 },
- { 12, 0 },
- { 8, 4 },
- { 12, 4 },
- { 0, 8 },
- { 4, 8 },
- { 0, 12 },
- { 4, 12 },
- { 8, 8 },
- { 12, 8 },
- { 8, 12 },
- { 12, 12 }
-};
-
-
-static const int pos_table16[16][2] = {
- { 0, 0 },
- { 16, 0 },
- { 0, 16 },
- { 16, 16 },
- { 32, 0 },
- { 48, 0 },
- { 32, 16 },
- { 48, 16 },
- { 0, 32 },
- { 16, 32 },
- { 0, 48 },
- { 16, 48 },
- { 32, 32 },
- { 48, 32 },
- { 32, 48 },
- { 48, 48 }
-};
-
/**
* Shade all pixels in a 4x4 block.
block_full_4(task, tri, x + ix, y + iy);
}
+static INLINE unsigned
+build_mask_linear(int64_t c, int64_t dcdx, int64_t dcdy)
+{
+ unsigned mask = 0;
+
+ int64_t c0 = c;
+ int64_t c1 = c0 + dcdy;
+ int64_t c2 = c1 + dcdy;
+ int64_t c3 = c2 + dcdy;
+
+ mask |= ((c0 + 0 * dcdx) >> FIXED_SHIFT) & (1 << 0);
+ mask |= ((c0 + 1 * dcdx) >> FIXED_SHIFT) & (1 << 1);
+ mask |= ((c0 + 2 * dcdx) >> FIXED_SHIFT) & (1 << 2);
+ mask |= ((c0 + 3 * dcdx) >> FIXED_SHIFT) & (1 << 3);
+ mask |= ((c1 + 0 * dcdx) >> FIXED_SHIFT) & (1 << 4);
+ mask |= ((c1 + 1 * dcdx) >> FIXED_SHIFT) & (1 << 5);
+ mask |= ((c1 + 2 * dcdx) >> FIXED_SHIFT) & (1 << 6);
+ mask |= ((c1 + 3 * dcdx) >> FIXED_SHIFT) & (1 << 7);
+ mask |= ((c2 + 0 * dcdx) >> FIXED_SHIFT) & (1 << 8);
+ mask |= ((c2 + 1 * dcdx) >> FIXED_SHIFT) & (1 << 9);
+ mask |= ((c2 + 2 * dcdx) >> FIXED_SHIFT) & (1 << 10);
+ mask |= ((c2 + 3 * dcdx) >> FIXED_SHIFT) & (1 << 11);
+ mask |= ((c3 + 0 * dcdx) >> FIXED_SHIFT) & (1 << 12);
+ mask |= ((c3 + 1 * dcdx) >> FIXED_SHIFT) & (1 << 13);
+ mask |= ((c3 + 2 * dcdx) >> FIXED_SHIFT) & (1 << 14);
+ mask |= ((c3 + 3 * dcdx) >> FIXED_SHIFT) & (1 << 15);
+
+ return mask;
+}
+
+
+static INLINE void
+build_masks(int64_t c,
+ int64_t cdiff,
+ int64_t dcdx,
+ int64_t dcdy,
+ unsigned *outmask,
+ unsigned *partmask)
+{
+ *outmask |= build_mask_linear(c, dcdx, 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_3_4(struct lp_rasterizer_task *task,
+ const union lp_rast_cmd_arg arg)
+{
+ lp_rast_triangle_3_16(task, arg);
+}
+
+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_4(task, arg2);
+}
+
+#if !defined(PIPE_ARCH_SSE)
+
+void
+lp_rast_triangle_32_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_32_3(task, arg2);
+}
+
+void
+lp_rast_triangle_32_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_32_4(task, arg2);
+}
+
+void
+lp_rast_triangle_32_3_4(struct lp_rasterizer_task *task,
+ const union lp_rast_cmd_arg arg)
+{
+ lp_rast_triangle_32_3_16(task, arg);
+}
+
+#else
+#include <emmintrin.h>
+#include "util/u_sse.h"
+
+
+static INLINE void
+build_masks_32(int c,
+ int cdiff,
+ int dcdx,
+ int dcdy,
+ unsigned *outmask,
+ unsigned *partmask)
+{
+ __m128i cstep0 = _mm_setr_epi32(c, c+dcdx, c+dcdx*2, c+dcdx*3);
+ __m128i xdcdy = _mm_set1_epi32(dcdy);
+
+ /* Get values across the quad
+ */
+ __m128i cstep1 = _mm_add_epi32(cstep0, xdcdy);
+ __m128i cstep2 = _mm_add_epi32(cstep1, xdcdy);
+ __m128i cstep3 = _mm_add_epi32(cstep2, xdcdy);
+
+ {
+ __m128i cstep01, cstep23, result;
+
+ cstep01 = _mm_packs_epi32(cstep0, cstep1);
+ cstep23 = _mm_packs_epi32(cstep2, cstep3);
+ result = _mm_packs_epi16(cstep01, cstep23);
+
+ *outmask |= _mm_movemask_epi8(result);
+ }
+
+
+ {
+ __m128i cio4 = _mm_set1_epi32(cdiff);
+ __m128i cstep01, cstep23, result;
+
+ cstep0 = _mm_add_epi32(cstep0, cio4);
+ cstep1 = _mm_add_epi32(cstep1, cio4);
+ cstep2 = _mm_add_epi32(cstep2, cio4);
+ cstep3 = _mm_add_epi32(cstep3, cio4);
+
+ cstep01 = _mm_packs_epi32(cstep0, cstep1);
+ cstep23 = _mm_packs_epi32(cstep2, cstep3);
+ result = _mm_packs_epi16(cstep01, cstep23);
+
+ *partmask |= _mm_movemask_epi8(result);
+ }
+}
+
+
+static INLINE unsigned
+build_mask_linear_32(int c, int dcdx, int dcdy)
+{
+ __m128i cstep0 = _mm_setr_epi32(c, c+dcdx, c+dcdx*2, c+dcdx*3);
+ __m128i xdcdy = _mm_set1_epi32(dcdy);
+
+ /* Get values across the quad
+ */
+ __m128i cstep1 = _mm_add_epi32(cstep0, xdcdy);
+ __m128i cstep2 = _mm_add_epi32(cstep1, xdcdy);
+ __m128i cstep3 = _mm_add_epi32(cstep2, xdcdy);
+
+ /* 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
+ */
+ __m128i result = _mm_packs_epi16(cstep01, cstep23);
+
+ /* extract sign bits to create mask
+ */
+ return _mm_movemask_epi8(result);
+}
static INLINE unsigned
-build_mask(int c, const int *step)
+sign_bits4(const __m128i *cstep, int cdiff)
{
- int mask = 0;
- int i;
- for (i = 0; i < 16; i++) {
- mask |= ((c + step[i]) >> 31) & (1 << i);
+ /* Adjust the step values
+ */
+ __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);
+
+ /* Pack down to epi8
+ */
+ __m128i cstep01 = _mm_packs_epi32(cstep0, cstep1);
+ __m128i cstep23 = _mm_packs_epi32(cstep2, cstep3);
+ __m128i result = _mm_packs_epi16(cstep01, cstep23);
+
+ /* Extract the sign bits
+ */
+ return _mm_movemask_epi8(result);
+}
+
+
+#define NR_PLANES 3
+
+
+
+
+
+
+
+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 = _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_32_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 = 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 = _mm_setzero_si128();
+
+ __m128i c;
+ __m128i dcdx;
+ __m128i dcdy;
+
+ __m128i dcdx2;
+ __m128i dcdx3;
- return mask;
+ __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);
+ }
}
+#undef NR_PLANES
+#endif
+
+
+#define BUILD_MASKS(c, cdiff, dcdx, dcdy, omask, pmask) build_masks(c, cdiff, dcdx, dcdy, omask, pmask)
+#define BUILD_MASK_LINEAR(c, dcdx, dcdy) build_mask_linear(c, dcdx, dcdy)
#define TAG(x) x##_1
#define NR_PLANES 1
#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 7
#include "lp_rast_tri_tmp.h"
+#define TAG(x) x##_8
+#define NR_PLANES 8
+#include "lp_rast_tri_tmp.h"
+
+#ifdef PIPE_ARCH_SSE
+#undef BUILD_MASKS
+#undef BUILD_MASK_LINEAR
+#define BUILD_MASKS(c, cdiff, dcdx, dcdy, omask, pmask) build_masks_32((int)c, (int)cdiff, dcdx, dcdy, omask, pmask)
+#define BUILD_MASK_LINEAR(c, dcdx, dcdy) build_mask_linear_32((int)c, dcdx, dcdy)
+#endif
+
+#define TAG(x) x##_32_1
+#define NR_PLANES 1
+#include "lp_rast_tri_tmp.h"
+
+#define TAG(x) x##_32_2
+#define NR_PLANES 2
+#include "lp_rast_tri_tmp.h"
+
+#define TAG(x) x##_32_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##_32_4
+#define NR_PLANES 4
+#ifdef PIPE_ARCH_SSE
+#define TRI_16 lp_rast_triangle_32_4_16
+#endif
+#include "lp_rast_tri_tmp.h"
+
+#define TAG(x) x##_32_5
+#define NR_PLANES 5
+#include "lp_rast_tri_tmp.h"
+
+#define TAG(x) x##_32_6
+#define NR_PLANES 6
+#include "lp_rast_tri_tmp.h"
+
+#define TAG(x) x##_32_7
+#define NR_PLANES 7
+#include "lp_rast_tri_tmp.h"
+
+#define TAG(x) x##_32_8
+#define NR_PLANES 8
+#include "lp_rast_tri_tmp.h"
+