diff options
Diffstat (limited to 'gfx/cairo/libpixman/src/pixman-vmx.c')
| -rw-r--r-- | gfx/cairo/libpixman/src/pixman-vmx.c | 1647 |
1 files changed, 1647 insertions, 0 deletions
diff --git a/gfx/cairo/libpixman/src/pixman-vmx.c b/gfx/cairo/libpixman/src/pixman-vmx.c new file mode 100644 index 000000000..6868704a8 --- /dev/null +++ b/gfx/cairo/libpixman/src/pixman-vmx.c @@ -0,0 +1,1647 @@ +/* + * Copyright © 2007 Luca Barbato + * + * Permission to use, copy, modify, distribute, and sell this software and its + * documentation for any purpose is hereby granted without fee, provided that + * the above copyright notice appear in all copies and that both that + * copyright notice and this permission notice appear in supporting + * documentation, and that the name of Luca Barbato not be used in advertising or + * publicity pertaining to distribution of the software without specific, + * written prior permission. Luca Barbato makes no representations about the + * suitability of this software for any purpose. It is provided "as is" + * without express or implied warranty. + * + * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY + * SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN + * AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING + * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS + * SOFTWARE. + * + * Author: Luca Barbato (lu_zero@gentoo.org) + * + * Based on fbmmx.c by Owen Taylor, Søren Sandmann and Nicholas Miell + */ + +#include <config.h> +#include "pixman-private.h" +#include "pixman-combine32.h" +#include <altivec.h> + +#define AVV(x...) {x} + +static force_inline vector unsigned int +splat_alpha (vector unsigned int pix) +{ + return vec_perm (pix, pix, + (vector unsigned char)AVV ( + 0x00, 0x00, 0x00, 0x00, 0x04, 0x04, 0x04, 0x04, + 0x08, 0x08, 0x08, 0x08, 0x0C, 0x0C, 0x0C, 0x0C)); +} + +static force_inline vector unsigned int +pix_multiply (vector unsigned int p, vector unsigned int a) +{ + vector unsigned short hi, lo, mod; + + /* unpack to short */ + hi = (vector unsigned short) + vec_mergeh ((vector unsigned char)AVV (0), + (vector unsigned char)p); + + mod = (vector unsigned short) + vec_mergeh ((vector unsigned char)AVV (0), + (vector unsigned char)a); + + hi = vec_mladd (hi, mod, (vector unsigned short) + AVV (0x0080, 0x0080, 0x0080, 0x0080, + 0x0080, 0x0080, 0x0080, 0x0080)); + + hi = vec_adds (hi, vec_sr (hi, vec_splat_u16 (8))); + + hi = vec_sr (hi, vec_splat_u16 (8)); + + /* unpack to short */ + lo = (vector unsigned short) + vec_mergel ((vector unsigned char)AVV (0), + (vector unsigned char)p); + mod = (vector unsigned short) + vec_mergel ((vector unsigned char)AVV (0), + (vector unsigned char)a); + + lo = vec_mladd (lo, mod, (vector unsigned short) + AVV (0x0080, 0x0080, 0x0080, 0x0080, + 0x0080, 0x0080, 0x0080, 0x0080)); + + lo = vec_adds (lo, vec_sr (lo, vec_splat_u16 (8))); + + lo = vec_sr (lo, vec_splat_u16 (8)); + + return (vector unsigned int)vec_packsu (hi, lo); +} + +static force_inline vector unsigned int +pix_add (vector unsigned int a, vector unsigned int b) +{ + return (vector unsigned int)vec_adds ((vector unsigned char)a, + (vector unsigned char)b); +} + +static force_inline vector unsigned int +pix_add_mul (vector unsigned int x, + vector unsigned int a, + vector unsigned int y, + vector unsigned int b) +{ + vector unsigned int t1, t2; + + t1 = pix_multiply (x, a); + t2 = pix_multiply (y, b); + + return pix_add (t1, t2); +} + +static force_inline vector unsigned int +negate (vector unsigned int src) +{ + return vec_nor (src, src); +} + +/* dest*~srca + src */ +static force_inline vector unsigned int +over (vector unsigned int src, + vector unsigned int srca, + vector unsigned int dest) +{ + vector unsigned char tmp = (vector unsigned char) + pix_multiply (dest, negate (srca)); + + tmp = vec_adds ((vector unsigned char)src, tmp); + return (vector unsigned int)tmp; +} + +/* in == pix_multiply */ +#define in_over(src, srca, mask, dest) \ + over (pix_multiply (src, mask), \ + pix_multiply (srca, mask), dest) + + +#define COMPUTE_SHIFT_MASK(source) \ + source ## _mask = vec_lvsl (0, source); + +#define COMPUTE_SHIFT_MASKS(dest, source) \ + dest ## _mask = vec_lvsl (0, dest); \ + source ## _mask = vec_lvsl (0, source); \ + store_mask = vec_lvsr (0, dest); + +#define COMPUTE_SHIFT_MASKC(dest, source, mask) \ + mask ## _mask = vec_lvsl (0, mask); \ + dest ## _mask = vec_lvsl (0, dest); \ + source ## _mask = vec_lvsl (0, source); \ + store_mask = vec_lvsr (0, dest); + +/* notice you have to declare temp vars... + * Note: tmp3 and tmp4 must remain untouched! + */ + +#define LOAD_VECTORS(dest, source) \ + tmp1 = (typeof(tmp1))vec_ld (0, source); \ + tmp2 = (typeof(tmp2))vec_ld (15, source); \ + tmp3 = (typeof(tmp3))vec_ld (0, dest); \ + v ## source = (typeof(v ## source)) \ + vec_perm (tmp1, tmp2, source ## _mask); \ + tmp4 = (typeof(tmp4))vec_ld (15, dest); \ + v ## dest = (typeof(v ## dest)) \ + vec_perm (tmp3, tmp4, dest ## _mask); + +#define LOAD_VECTORSC(dest, source, mask) \ + tmp1 = (typeof(tmp1))vec_ld (0, source); \ + tmp2 = (typeof(tmp2))vec_ld (15, source); \ + tmp3 = (typeof(tmp3))vec_ld (0, dest); \ + v ## source = (typeof(v ## source)) \ + vec_perm (tmp1, tmp2, source ## _mask); \ + tmp4 = (typeof(tmp4))vec_ld (15, dest); \ + tmp1 = (typeof(tmp1))vec_ld (0, mask); \ + v ## dest = (typeof(v ## dest)) \ + vec_perm (tmp3, tmp4, dest ## _mask); \ + tmp2 = (typeof(tmp2))vec_ld (15, mask); \ + v ## mask = (typeof(v ## mask)) \ + vec_perm (tmp1, tmp2, mask ## _mask); + +#define LOAD_VECTORSM(dest, source, mask) \ + LOAD_VECTORSC (dest, source, mask) \ + v ## source = pix_multiply (v ## source, \ + splat_alpha (v ## mask)); + +#define STORE_VECTOR(dest) \ + edges = vec_perm (tmp4, tmp3, dest ## _mask); \ + tmp3 = vec_perm ((vector unsigned char)v ## dest, edges, store_mask); \ + tmp1 = vec_perm (edges, (vector unsigned char)v ## dest, store_mask); \ + vec_st ((vector unsigned int) tmp3, 15, dest); \ + vec_st ((vector unsigned int) tmp1, 0, dest); + +static void +vmx_combine_over_u_no_mask (uint32_t * dest, + const uint32_t *src, + int width) +{ + int i; + vector unsigned int vdest, vsrc; + vector unsigned char tmp1, tmp2, tmp3, tmp4, edges, + dest_mask, src_mask, store_mask; + + COMPUTE_SHIFT_MASKS (dest, src); + + /* printf ("%s\n",__PRETTY_FUNCTION__); */ + for (i = width / 4; i > 0; i--) + { + + LOAD_VECTORS (dest, src); + + vdest = over (vsrc, splat_alpha (vsrc), vdest); + + STORE_VECTOR (dest); + + src += 4; + dest += 4; + } + + for (i = width % 4; --i >= 0;) + { + uint32_t s = src[i]; + uint32_t d = dest[i]; + uint32_t ia = ALPHA_8 (~s); + + UN8x4_MUL_UN8_ADD_UN8x4 (d, ia, s); + + dest[i] = d; + } +} + +static void +vmx_combine_over_u_mask (uint32_t * dest, + const uint32_t *src, + const uint32_t *mask, + int width) +{ + int i; + vector unsigned int vdest, vsrc, vmask; + vector unsigned char tmp1, tmp2, tmp3, tmp4, edges, + dest_mask, src_mask, mask_mask, store_mask; + + COMPUTE_SHIFT_MASKC (dest, src, mask); + + /* printf ("%s\n",__PRETTY_FUNCTION__); */ + for (i = width / 4; i > 0; i--) + { + LOAD_VECTORSM (dest, src, mask); + + vdest = over (vsrc, splat_alpha (vsrc), vdest); + + STORE_VECTOR (dest); + + src += 4; + dest += 4; + mask += 4; + } + + for (i = width % 4; --i >= 0;) + { + uint32_t m = ALPHA_8 (mask[i]); + uint32_t s = src[i]; + uint32_t d = dest[i]; + uint32_t ia; + + UN8x4_MUL_UN8 (s, m); + + ia = ALPHA_8 (~s); + + UN8x4_MUL_UN8_ADD_UN8x4 (d, ia, s); + dest[i] = d; + } +} + +static void +vmx_combine_over_u (pixman_implementation_t *imp, + pixman_op_t op, + uint32_t * dest, + const uint32_t * src, + const uint32_t * mask, + int width) +{ + if (mask) + vmx_combine_over_u_mask (dest, src, mask, width); + else + vmx_combine_over_u_no_mask (dest, src, width); +} + +static void +vmx_combine_over_reverse_u_no_mask (uint32_t * dest, + const uint32_t *src, + int width) +{ + int i; + vector unsigned int vdest, vsrc; + vector unsigned char tmp1, tmp2, tmp3, tmp4, edges, + dest_mask, src_mask, store_mask; + + COMPUTE_SHIFT_MASKS (dest, src); + + /* printf ("%s\n",__PRETTY_FUNCTION__); */ + for (i = width / 4; i > 0; i--) + { + + LOAD_VECTORS (dest, src); + + vdest = over (vdest, splat_alpha (vdest), vsrc); + + STORE_VECTOR (dest); + + src += 4; + dest += 4; + } + + for (i = width % 4; --i >= 0;) + { + uint32_t s = src[i]; + uint32_t d = dest[i]; + uint32_t ia = ALPHA_8 (~dest[i]); + + UN8x4_MUL_UN8_ADD_UN8x4 (s, ia, d); + dest[i] = s; + } +} + +static void +vmx_combine_over_reverse_u_mask (uint32_t * dest, + const uint32_t *src, + const uint32_t *mask, + int width) +{ + int i; + vector unsigned int vdest, vsrc, vmask; + vector unsigned char tmp1, tmp2, tmp3, tmp4, edges, + dest_mask, src_mask, mask_mask, store_mask; + + COMPUTE_SHIFT_MASKC (dest, src, mask); + + /* printf ("%s\n",__PRETTY_FUNCTION__); */ + for (i = width / 4; i > 0; i--) + { + + LOAD_VECTORSM (dest, src, mask); + + vdest = over (vdest, splat_alpha (vdest), vsrc); + + STORE_VECTOR (dest); + + src += 4; + dest += 4; + mask += 4; + } + + for (i = width % 4; --i >= 0;) + { + uint32_t m = ALPHA_8 (mask[i]); + uint32_t s = src[i]; + uint32_t d = dest[i]; + uint32_t ia = ALPHA_8 (~dest[i]); + + UN8x4_MUL_UN8 (s, m); + + UN8x4_MUL_UN8_ADD_UN8x4 (s, ia, d); + dest[i] = s; + } +} + +static void +vmx_combine_over_reverse_u (pixman_implementation_t *imp, + pixman_op_t op, + uint32_t * dest, + const uint32_t * src, + const uint32_t * mask, + int width) +{ + if (mask) + vmx_combine_over_reverse_u_mask (dest, src, mask, width); + else + vmx_combine_over_reverse_u_no_mask (dest, src, width); +} + +static void +vmx_combine_in_u_no_mask (uint32_t * dest, + const uint32_t *src, + int width) +{ + int i; + vector unsigned int vdest, vsrc; + vector unsigned char tmp1, tmp2, tmp3, tmp4, edges, + dest_mask, src_mask, store_mask; + + COMPUTE_SHIFT_MASKS (dest, src); + + /* printf ("%s\n",__PRETTY_FUNCTION__); */ + for (i = width / 4; i > 0; i--) + { + LOAD_VECTORS (dest, src); + + vdest = pix_multiply (vsrc, splat_alpha (vdest)); + + STORE_VECTOR (dest); + + src += 4; + dest += 4; + } + + for (i = width % 4; --i >= 0;) + { + uint32_t s = src[i]; + uint32_t a = ALPHA_8 (dest[i]); + + UN8x4_MUL_UN8 (s, a); + dest[i] = s; + } +} + +static void +vmx_combine_in_u_mask (uint32_t * dest, + const uint32_t *src, + const uint32_t *mask, + int width) +{ + int i; + vector unsigned int vdest, vsrc, vmask; + vector unsigned char tmp1, tmp2, tmp3, tmp4, edges, + dest_mask, src_mask, mask_mask, store_mask; + + COMPUTE_SHIFT_MASKC (dest, src, mask); + + /* printf ("%s\n",__PRETTY_FUNCTION__); */ + for (i = width / 4; i > 0; i--) + { + LOAD_VECTORSM (dest, src, mask); + + vdest = pix_multiply (vsrc, splat_alpha (vdest)); + + STORE_VECTOR (dest); + + src += 4; + dest += 4; + mask += 4; + } + + for (i = width % 4; --i >= 0;) + { + uint32_t m = ALPHA_8 (mask[i]); + uint32_t s = src[i]; + uint32_t a = ALPHA_8 (dest[i]); + + UN8x4_MUL_UN8 (s, m); + UN8x4_MUL_UN8 (s, a); + + dest[i] = s; + } +} + +static void +vmx_combine_in_u (pixman_implementation_t *imp, + pixman_op_t op, + uint32_t * dest, + const uint32_t * src, + const uint32_t * mask, + int width) +{ + if (mask) + vmx_combine_in_u_mask (dest, src, mask, width); + else + vmx_combine_in_u_no_mask (dest, src, width); +} + +static void +vmx_combine_in_reverse_u_no_mask (uint32_t * dest, + const uint32_t *src, + int width) +{ + int i; + vector unsigned int vdest, vsrc; + vector unsigned char tmp1, tmp2, tmp3, tmp4, edges, + dest_mask, src_mask, store_mask; + + COMPUTE_SHIFT_MASKS (dest, src); + + /* printf ("%s\n",__PRETTY_FUNCTION__); */ + for (i = width / 4; i > 0; i--) + { + LOAD_VECTORS (dest, src); + + vdest = pix_multiply (vdest, splat_alpha (vsrc)); + + STORE_VECTOR (dest); + + src += 4; + dest += 4; + } + + for (i = width % 4; --i >= 0;) + { + uint32_t d = dest[i]; + uint32_t a = ALPHA_8 (src[i]); + + UN8x4_MUL_UN8 (d, a); + + dest[i] = d; + } +} + +static void +vmx_combine_in_reverse_u_mask (uint32_t * dest, + const uint32_t *src, + const uint32_t *mask, + int width) +{ + int i; + vector unsigned int vdest, vsrc, vmask; + vector unsigned char tmp1, tmp2, tmp3, tmp4, edges, + dest_mask, src_mask, mask_mask, store_mask; + + COMPUTE_SHIFT_MASKC (dest, src, mask); + + /* printf ("%s\n",__PRETTY_FUNCTION__); */ + for (i = width / 4; i > 0; i--) + { + LOAD_VECTORSM (dest, src, mask); + + vdest = pix_multiply (vdest, splat_alpha (vsrc)); + + STORE_VECTOR (dest); + + src += 4; + dest += 4; + mask += 4; + } + + for (i = width % 4; --i >= 0;) + { + uint32_t m = ALPHA_8 (mask[i]); + uint32_t d = dest[i]; + uint32_t a = src[i]; + + UN8x4_MUL_UN8 (a, m); + a = ALPHA_8 (a); + UN8x4_MUL_UN8 (d, a); + + dest[i] = d; + } +} + +static void +vmx_combine_in_reverse_u (pixman_implementation_t *imp, + pixman_op_t op, + uint32_t * dest, + const uint32_t * src, + const uint32_t * mask, + int width) +{ + if (mask) + vmx_combine_in_reverse_u_mask (dest, src, mask, width); + else + vmx_combine_in_reverse_u_no_mask (dest, src, width); +} + +static void +vmx_combine_out_u_no_mask (uint32_t * dest, + const uint32_t *src, + int width) +{ + int i; + vector unsigned int vdest, vsrc; + vector unsigned char tmp1, tmp2, tmp3, tmp4, edges, + dest_mask, src_mask, store_mask; + + COMPUTE_SHIFT_MASKS (dest, src); + + /* printf ("%s\n",__PRETTY_FUNCTION__); */ + for (i = width / 4; i > 0; i--) + { + LOAD_VECTORS (dest, src); + + vdest = pix_multiply (vsrc, splat_alpha (negate (vdest))); + + STORE_VECTOR (dest); + + src += 4; + dest += 4; + } + + for (i = width % 4; --i >= 0;) + { + uint32_t s = src[i]; + uint32_t a = ALPHA_8 (~dest[i]); + + UN8x4_MUL_UN8 (s, a); + + dest[i] = s; + } +} + +static void +vmx_combine_out_u_mask (uint32_t * dest, + const uint32_t *src, + const uint32_t *mask, + int width) +{ + int i; + vector unsigned int vdest, vsrc, vmask; + vector unsigned char tmp1, tmp2, tmp3, tmp4, edges, + dest_mask, src_mask, mask_mask, store_mask; + + COMPUTE_SHIFT_MASKC (dest, src, mask); + + /* printf ("%s\n",__PRETTY_FUNCTION__); */ + for (i = width / 4; i > 0; i--) + { + LOAD_VECTORSM (dest, src, mask); + + vdest = pix_multiply (vsrc, splat_alpha (negate (vdest))); + + STORE_VECTOR (dest); + + src += 4; + dest += 4; + mask += 4; + } + + for (i = width % 4; --i >= 0;) + { + uint32_t m = ALPHA_8 (mask[i]); + uint32_t s = src[i]; + uint32_t a = ALPHA_8 (~dest[i]); + + UN8x4_MUL_UN8 (s, m); + UN8x4_MUL_UN8 (s, a); + + dest[i] = s; + } +} + +static void +vmx_combine_out_u (pixman_implementation_t *imp, + pixman_op_t op, + uint32_t * dest, + const uint32_t * src, + const uint32_t * mask, + int width) +{ + if (mask) + vmx_combine_out_u_mask (dest, src, mask, width); + else + vmx_combine_out_u_no_mask (dest, src, width); +} + +static void +vmx_combine_out_reverse_u_no_mask (uint32_t * dest, + const uint32_t *src, + int width) +{ + int i; + vector unsigned int vdest, vsrc; + vector unsigned char tmp1, tmp2, tmp3, tmp4, edges, + dest_mask, src_mask, store_mask; + + COMPUTE_SHIFT_MASKS (dest, src); + + /* printf ("%s\n",__PRETTY_FUNCTION__); */ + for (i = width / 4; i > 0; i--) + { + + LOAD_VECTORS (dest, src); + + vdest = pix_multiply (vdest, splat_alpha (negate (vsrc))); + + STORE_VECTOR (dest); + + src += 4; + dest += 4; + } + + for (i = width % 4; --i >= 0;) + { + uint32_t d = dest[i]; + uint32_t a = ALPHA_8 (~src[i]); + + UN8x4_MUL_UN8 (d, a); + + dest[i] = d; + } +} + +static void +vmx_combine_out_reverse_u_mask (uint32_t * dest, + const uint32_t *src, + const uint32_t *mask, + int width) +{ + int i; + vector unsigned int vdest, vsrc, vmask; + vector unsigned char tmp1, tmp2, tmp3, tmp4, edges, + dest_mask, src_mask, mask_mask, store_mask; + + COMPUTE_SHIFT_MASKC (dest, src, mask); + + /* printf ("%s\n",__PRETTY_FUNCTION__); */ + for (i = width / 4; i > 0; i--) + { + LOAD_VECTORSM (dest, src, mask); + + vdest = pix_multiply (vdest, splat_alpha (negate (vsrc))); + + STORE_VECTOR (dest); + + src += 4; + dest += 4; + mask += 4; + } + + for (i = width % 4; --i >= 0;) + { + uint32_t m = ALPHA_8 (mask[i]); + uint32_t d = dest[i]; + uint32_t a = src[i]; + + UN8x4_MUL_UN8 (a, m); + a = ALPHA_8 (~a); + UN8x4_MUL_UN8 (d, a); + + dest[i] = d; + } +} + +static void +vmx_combine_out_reverse_u (pixman_implementation_t *imp, + pixman_op_t op, + uint32_t * dest, + const uint32_t * src, + const uint32_t * mask, + int width) +{ + if (mask) + vmx_combine_out_reverse_u_mask (dest, src, mask, width); + else + vmx_combine_out_reverse_u_no_mask (dest, src, width); +} + +static void +vmx_combine_atop_u_no_mask (uint32_t * dest, + const uint32_t *src, + int width) +{ + int i; + vector unsigned int vdest, vsrc; + vector unsigned char tmp1, tmp2, tmp3, tmp4, edges, + dest_mask, src_mask, store_mask; + + COMPUTE_SHIFT_MASKS (dest, src); + + /* printf ("%s\n",__PRETTY_FUNCTION__); */ + for (i = width / 4; i > 0; i--) + { + LOAD_VECTORS (dest, src); + + vdest = pix_add_mul (vsrc, splat_alpha (vdest), + vdest, splat_alpha (negate (vsrc))); + + STORE_VECTOR (dest); + + src += 4; + dest += 4; + } + + for (i = width % 4; --i >= 0;) + { + uint32_t s = src[i]; + uint32_t d = dest[i]; + uint32_t dest_a = ALPHA_8 (d); + uint32_t src_ia = ALPHA_8 (~s); + + UN8x4_MUL_UN8_ADD_UN8x4_MUL_UN8 (s, dest_a, d, src_ia); + + dest[i] = s; + } +} + +static void +vmx_combine_atop_u_mask (uint32_t * dest, + const uint32_t *src, + const uint32_t *mask, + int width) +{ + int i; + vector unsigned int vdest, vsrc, vmask; + vector unsigned char tmp1, tmp2, tmp3, tmp4, edges, + dest_mask, src_mask, mask_mask, store_mask; + + COMPUTE_SHIFT_MASKC (dest, src, mask); + + /* printf ("%s\n",__PRETTY_FUNCTION__); */ + for (i = width / 4; i > 0; i--) + { + LOAD_VECTORSM (dest, src, mask); + + vdest = pix_add_mul (vsrc, splat_alpha (vdest), + vdest, splat_alpha (negate (vsrc))); + + STORE_VECTOR (dest); + + src += 4; + dest += 4; + mask += 4; + } + + for (i = width % 4; --i >= 0;) + { + uint32_t m = ALPHA_8 (mask[i]); + uint32_t s = src[i]; + uint32_t d = dest[i]; + uint32_t dest_a = ALPHA_8 (d); + uint32_t src_ia; + + UN8x4_MUL_UN8 (s, m); + + src_ia = ALPHA_8 (~s); + + UN8x4_MUL_UN8_ADD_UN8x4_MUL_UN8 (s, dest_a, d, src_ia); + + dest[i] = s; + } +} + +static void +vmx_combine_atop_u (pixman_implementation_t *imp, + pixman_op_t op, + uint32_t * dest, + const uint32_t * src, + const uint32_t * mask, + int width) +{ + if (mask) + vmx_combine_atop_u_mask (dest, src, mask, width); + else + vmx_combine_atop_u_no_mask (dest, src, width); +} + +static void +vmx_combine_atop_reverse_u_no_mask (uint32_t * dest, + const uint32_t *src, + int width) +{ + int i; + vector unsigned int vdest, vsrc; + vector unsigned char tmp1, tmp2, tmp3, tmp4, edges, + dest_mask, src_mask, store_mask; + + COMPUTE_SHIFT_MASKS (dest, src); + + /* printf ("%s\n",__PRETTY_FUNCTION__); */ + for (i = width / 4; i > 0; i--) + { + LOAD_VECTORS (dest, src); + + vdest = pix_add_mul (vdest, splat_alpha (vsrc), + vsrc, splat_alpha (negate (vdest))); + + STORE_VECTOR (dest); + + src += 4; + dest += 4; + } + + for (i = width % 4; --i >= 0;) + { + uint32_t s = src[i]; + uint32_t d = dest[i]; + uint32_t src_a = ALPHA_8 (s); + uint32_t dest_ia = ALPHA_8 (~d); + + UN8x4_MUL_UN8_ADD_UN8x4_MUL_UN8 (s, dest_ia, d, src_a); + + dest[i] = s; + } +} + +static void +vmx_combine_atop_reverse_u_mask (uint32_t * dest, + const uint32_t *src, + const uint32_t *mask, + int width) +{ + int i; + vector unsigned int vdest, vsrc, vmask; + vector unsigned char tmp1, tmp2, tmp3, tmp4, edges, + dest_mask, src_mask, mask_mask, store_mask; + + COMPUTE_SHIFT_MASKC (dest, src, mask); + + /* printf ("%s\n",__PRETTY_FUNCTION__); */ + for (i = width / 4; i > 0; i--) + { + LOAD_VECTORSM (dest, src, mask); + + vdest = pix_add_mul (vdest, splat_alpha (vsrc), + vsrc, splat_alpha (negate (vdest))); + + STORE_VECTOR (dest); + + src += 4; + dest += 4; + mask += 4; + } + + for (i = width % 4; --i >= 0;) + { + uint32_t m = ALPHA_8 (mask[i]); + uint32_t s = src[i]; + uint32_t d = dest[i]; + uint32_t src_a; + uint32_t dest_ia = ALPHA_8 (~d); + + UN8x4_MUL_UN8 (s, m); + + src_a = ALPHA_8 (s); + + UN8x4_MUL_UN8_ADD_UN8x4_MUL_UN8 (s, dest_ia, d, src_a); + + dest[i] = s; + } +} + +static void +vmx_combine_atop_reverse_u (pixman_implementation_t *imp, + pixman_op_t op, + uint32_t * dest, + const uint32_t * src, + const uint32_t * mask, + int width) +{ + if (mask) + vmx_combine_atop_reverse_u_mask (dest, src, mask, width); + else + vmx_combine_atop_reverse_u_no_mask (dest, src, width); +} + +static void +vmx_combine_xor_u_no_mask (uint32_t * dest, + const uint32_t *src, + int width) +{ + int i; + vector unsigned int vdest, vsrc; + vector unsigned char tmp1, tmp2, tmp3, tmp4, edges, + dest_mask, src_mask, store_mask; + + COMPUTE_SHIFT_MASKS (dest, src); + + /* printf ("%s\n",__PRETTY_FUNCTION__); */ + for (i = width / 4; i > 0; i--) + { + LOAD_VECTORS (dest, src); + + vdest = pix_add_mul (vsrc, splat_alpha (negate (vdest)), + vdest, splat_alpha (negate (vsrc))); + + STORE_VECTOR (dest); + + src += 4; + dest += 4; + } + + for (i = width % 4; --i >= 0;) + { + uint32_t s = src[i]; + uint32_t d = dest[i]; + uint32_t src_ia = ALPHA_8 (~s); + uint32_t dest_ia = ALPHA_8 (~d); + + UN8x4_MUL_UN8_ADD_UN8x4_MUL_UN8 (s, dest_ia, d, src_ia); + + dest[i] = s; + } +} + +static void +vmx_combine_xor_u_mask (uint32_t * dest, + const uint32_t *src, + const uint32_t *mask, + int width) +{ + int i; + vector unsigned int vdest, vsrc, vmask; + vector unsigned char tmp1, tmp2, tmp3, tmp4, edges, + dest_mask, src_mask, mask_mask, store_mask; + + COMPUTE_SHIFT_MASKC (dest, src, mask); + + /* printf ("%s\n",__PRETTY_FUNCTION__); */ + for (i = width / 4; i > 0; i--) + { + LOAD_VECTORSM (dest, src, mask); + + vdest = pix_add_mul (vsrc, splat_alpha (negate (vdest)), + vdest, splat_alpha (negate (vsrc))); + + STORE_VECTOR (dest); + + src += 4; + dest += 4; + mask += 4; + } + + for (i = width % 4; --i >= 0;) + { + uint32_t m = ALPHA_8 (mask[i]); + uint32_t s = src[i]; + uint32_t d = dest[i]; + uint32_t src_ia; + uint32_t dest_ia = ALPHA_8 (~d); + + UN8x4_MUL_UN8 (s, m); + + src_ia = ALPHA_8 (~s); + + UN8x4_MUL_UN8_ADD_UN8x4_MUL_UN8 (s, dest_ia, d, src_ia); + + dest[i] = s; + } +} + +static void +vmx_combine_xor_u (pixman_implementation_t *imp, + pixman_op_t op, + uint32_t * dest, + const uint32_t * src, + const uint32_t * mask, + int width) +{ + if (mask) + vmx_combine_xor_u_mask (dest, src, mask, width); + else + vmx_combine_xor_u_no_mask (dest, src, width); +} + +static void +vmx_combine_add_u_no_mask (uint32_t * dest, + const uint32_t *src, + int width) +{ + int i; + vector unsigned int vdest, vsrc; + vector unsigned char tmp1, tmp2, tmp3, tmp4, edges, + dest_mask, src_mask, store_mask; + + COMPUTE_SHIFT_MASKS (dest, src); + /* printf ("%s\n",__PRETTY_FUNCTION__); */ + for (i = width / 4; i > 0; i--) + { + LOAD_VECTORS (dest, src); + + vdest = pix_add (vsrc, vdest); + + STORE_VECTOR (dest); + + src += 4; + dest += 4; + } + + for (i = width % 4; --i >= 0;) + { + uint32_t s = src[i]; + uint32_t d = dest[i]; + + UN8x4_ADD_UN8x4 (d, s); + + dest[i] = d; + } +} + +static void +vmx_combine_add_u_mask (uint32_t * dest, + const uint32_t *src, + const uint32_t *mask, + int width) +{ + int i; + vector unsigned int vdest, vsrc, vmask; + vector unsigned char tmp1, tmp2, tmp3, tmp4, edges, + dest_mask, src_mask, mask_mask, store_mask; + + COMPUTE_SHIFT_MASKC (dest, src, mask); + + /* printf ("%s\n",__PRETTY_FUNCTION__); */ + for (i = width / 4; i > 0; i--) + { + LOAD_VECTORSM (dest, src, mask); + + vdest = pix_add (vsrc, vdest); + + STORE_VECTOR (dest); + + src += 4; + dest += 4; + mask += 4; + } + + for (i = width % 4; --i >= 0;) + { + uint32_t m = ALPHA_8 (mask[i]); + uint32_t s = src[i]; + uint32_t d = dest[i]; + + UN8x4_MUL_UN8 (s, m); + UN8x4_ADD_UN8x4 (d, s); + + dest[i] = d; + } +} + +static void +vmx_combine_add_u (pixman_implementation_t *imp, + pixman_op_t op, + uint32_t * dest, + const uint32_t * src, + const uint32_t * mask, + int width) +{ + if (mask) + vmx_combine_add_u_mask (dest, src, mask, width); + else + vmx_combine_add_u_no_mask (dest, src, width); +} + +static void +vmx_combine_src_ca (pixman_implementation_t *imp, + pixman_op_t op, + uint32_t * dest, + const uint32_t * src, + const uint32_t * mask, + int width) +{ + int i; + vector unsigned int vdest, vsrc, vmask; + vector unsigned char tmp1, tmp2, tmp3, tmp4, edges, + dest_mask, mask_mask, src_mask, store_mask; + + COMPUTE_SHIFT_MASKC (dest, src, mask); + + /* printf ("%s\n",__PRETTY_FUNCTION__); */ + for (i = width / 4; i > 0; i--) + { + LOAD_VECTORSC (dest, src, mask); + + vdest = pix_multiply (vsrc, vmask); + + STORE_VECTOR (dest); + + mask += 4; + src += 4; + dest += 4; + } + + for (i = width % 4; --i >= 0;) + { + uint32_t a = mask[i]; + uint32_t s = src[i]; + + UN8x4_MUL_UN8x4 (s, a); + + dest[i] = s; + } +} + +static void +vmx_combine_over_ca (pixman_implementation_t *imp, + pixman_op_t op, + uint32_t * dest, + const uint32_t * src, + const uint32_t * mask, + int width) +{ + int i; + vector unsigned int vdest, vsrc, vmask; + vector unsigned char tmp1, tmp2, tmp3, tmp4, edges, + dest_mask, mask_mask, src_mask, store_mask; + + COMPUTE_SHIFT_MASKC (dest, src, mask); + + /* printf ("%s\n",__PRETTY_FUNCTION__); */ + for (i = width / 4; i > 0; i--) + { + LOAD_VECTORSC (dest, src, mask); + + vdest = in_over (vsrc, splat_alpha (vsrc), vmask, vdest); + + STORE_VECTOR (dest); + + mask += 4; + src += 4; + dest += 4; + } + + for (i = width % 4; --i >= 0;) + { + uint32_t a = mask[i]; + uint32_t s = src[i]; + uint32_t d = dest[i]; + uint32_t sa = ALPHA_8 (s); + + UN8x4_MUL_UN8x4 (s, a); + UN8x4_MUL_UN8 (a, sa); + UN8x4_MUL_UN8x4_ADD_UN8x4 (d, ~a, s); + + dest[i] = d; + } +} + +static void +vmx_combine_over_reverse_ca (pixman_implementation_t *imp, + pixman_op_t op, + uint32_t * dest, + const uint32_t * src, + const uint32_t * mask, + int width) +{ + int i; + vector unsigned int vdest, vsrc, vmask; + vector unsigned char tmp1, tmp2, tmp3, tmp4, edges, + dest_mask, mask_mask, src_mask, store_mask; + + COMPUTE_SHIFT_MASKC (dest, src, mask); + + /* printf("%s\n",__PRETTY_FUNCTION__); */ + for (i = width / 4; i > 0; i--) + { + LOAD_VECTORSC (dest, src, mask); + + vdest = over (vdest, splat_alpha (vdest), pix_multiply (vsrc, vmask)); + + STORE_VECTOR (dest); + + mask += 4; + src += 4; + dest += 4; + } + + for (i = width % 4; --i >= 0;) + { + uint32_t a = mask[i]; + uint32_t s = src[i]; + uint32_t d = dest[i]; + uint32_t ida = ALPHA_8 (~d); + + UN8x4_MUL_UN8x4 (s, a); + UN8x4_MUL_UN8_ADD_UN8x4 (s, ida, d); + + dest[i] = s; + } +} + +static void +vmx_combine_in_ca (pixman_implementation_t *imp, + pixman_op_t op, + uint32_t * dest, + const uint32_t * src, + const uint32_t * mask, + int width) +{ + int i; + vector unsigned int vdest, vsrc, vmask; + vector unsigned char tmp1, tmp2, tmp3, tmp4, edges, + dest_mask, mask_mask, src_mask, store_mask; + + COMPUTE_SHIFT_MASKC (dest, src, mask); + + /* printf ("%s\n",__PRETTY_FUNCTION__); */ + for (i = width / 4; i > 0; i--) + { + LOAD_VECTORSC (dest, src, mask); + + vdest = pix_multiply (pix_multiply (vsrc, vmask), splat_alpha (vdest)); + + STORE_VECTOR (dest); + + src += 4; + dest += 4; + mask += 4; + } + + for (i = width % 4; --i >= 0;) + { + uint32_t a = mask[i]; + uint32_t s = src[i]; + uint32_t da = ALPHA_8 (dest[i]); + + UN8x4_MUL_UN8x4 (s, a); + UN8x4_MUL_UN8 (s, da); + + dest[i] = s; + } +} + +static void +vmx_combine_in_reverse_ca (pixman_implementation_t *imp, + pixman_op_t op, + uint32_t * dest, + const uint32_t * src, + const uint32_t * mask, + int width) +{ + int i; + vector unsigned int vdest, vsrc, vmask; + vector unsigned char tmp1, tmp2, tmp3, tmp4, edges, + dest_mask, mask_mask, src_mask, store_mask; + + COMPUTE_SHIFT_MASKC (dest, src, mask); + + /* printf ("%s\n",__PRETTY_FUNCTION__); */ + for (i = width / 4; i > 0; i--) + { + + LOAD_VECTORSC (dest, src, mask); + + vdest = pix_multiply (vdest, pix_multiply (vmask, splat_alpha (vsrc))); + + STORE_VECTOR (dest); + + src += 4; + dest += 4; + mask += 4; + } + + for (i = width % 4; --i >= 0;) + { + uint32_t a = mask[i]; + uint32_t d = dest[i]; + uint32_t sa = ALPHA_8 (src[i]); + + UN8x4_MUL_UN8 (a, sa); + UN8x4_MUL_UN8x4 (d, a); + + dest[i] = d; + } +} + +static void +vmx_combine_out_ca (pixman_implementation_t *imp, + pixman_op_t op, + uint32_t * dest, + const uint32_t * src, + const uint32_t * mask, + int width) +{ + int i; + vector unsigned int vdest, vsrc, vmask; + vector unsigned char tmp1, tmp2, tmp3, tmp4, edges, + dest_mask, mask_mask, src_mask, store_mask; + + COMPUTE_SHIFT_MASKC (dest, src, mask); + + /* printf ("%s\n",__PRETTY_FUNCTION__); */ + for (i = width / 4; i > 0; i--) + { + LOAD_VECTORSC (dest, src, mask); + + vdest = pix_multiply ( + pix_multiply (vsrc, vmask), splat_alpha (negate (vdest))); + + STORE_VECTOR (dest); + + src += 4; + dest += 4; + mask += 4; + } + + for (i = width % 4; --i >= 0;) + { + uint32_t a = mask[i]; + uint32_t s = src[i]; + uint32_t d = dest[i]; + uint32_t da = ALPHA_8 (~d); + + UN8x4_MUL_UN8x4 (s, a); + UN8x4_MUL_UN8 (s, da); + + dest[i] = s; + } +} + +static void +vmx_combine_out_reverse_ca (pixman_implementation_t *imp, + pixman_op_t op, + uint32_t * dest, + const uint32_t * src, + const uint32_t * mask, + int width) +{ + int i; + vector unsigned int vdest, vsrc, vmask; + vector unsigned char tmp1, tmp2, tmp3, tmp4, edges, + dest_mask, mask_mask, src_mask, store_mask; + + COMPUTE_SHIFT_MASKC (dest, src, mask); + + /* printf ("%s\n",__PRETTY_FUNCTION__); */ + for (i = width / 4; i > 0; i--) + { + LOAD_VECTORSC (dest, src, mask); + + vdest = pix_multiply ( + vdest, negate (pix_multiply (vmask, splat_alpha (vsrc)))); + + STORE_VECTOR (dest); + + src += 4; + dest += 4; + mask += 4; + } + + for (i = width % 4; --i >= 0;) + { + uint32_t a = mask[i]; + uint32_t s = src[i]; + uint32_t d = dest[i]; + uint32_t sa = ALPHA_8 (s); + + UN8x4_MUL_UN8 (a, sa); + UN8x4_MUL_UN8x4 (d, ~a); + + dest[i] = d; + } +} + +static void +vmx_combine_atop_ca (pixman_implementation_t *imp, + pixman_op_t op, + uint32_t * dest, + const uint32_t * src, + const uint32_t * mask, + int width) +{ + int i; + vector unsigned int vdest, vsrc, vmask, vsrca; + vector unsigned char tmp1, tmp2, tmp3, tmp4, edges, + dest_mask, mask_mask, src_mask, store_mask; + + COMPUTE_SHIFT_MASKC (dest, src, mask); + + /* printf ("%s\n",__PRETTY_FUNCTION__); */ + for (i = width / 4; i > 0; i--) + { + LOAD_VECTORSC (dest, src, mask); + + vsrca = splat_alpha (vsrc); + + vsrc = pix_multiply (vsrc, vmask); + vmask = pix_multiply (vmask, vsrca); + + vdest = pix_add_mul (vsrc, splat_alpha (vdest), + negate (vmask), vdest); + + STORE_VECTOR (dest); + + src += 4; + dest += 4; + mask += 4; + } + + for (i = width % 4; --i >= 0;) + { + uint32_t a = mask[i]; + uint32_t s = src[i]; + uint32_t d = dest[i]; + uint32_t sa = ALPHA_8 (s); + uint32_t da = ALPHA_8 (d); + + UN8x4_MUL_UN8x4 (s, a); + UN8x4_MUL_UN8 (a, sa); + UN8x4_MUL_UN8x4_ADD_UN8x4_MUL_UN8 (d, ~a, s, da); + + dest[i] = d; + } +} + +static void +vmx_combine_atop_reverse_ca (pixman_implementation_t *imp, + pixman_op_t op, + uint32_t * dest, + const uint32_t * src, + const uint32_t * mask, + int width) +{ + int i; + vector unsigned int vdest, vsrc, vmask; + vector unsigned char tmp1, tmp2, tmp3, tmp4, edges, + dest_mask, mask_mask, src_mask, store_mask; + + COMPUTE_SHIFT_MASKC (dest, src, mask); + + /* printf ("%s\n",__PRETTY_FUNCTION__); */ + for (i = width / 4; i > 0; i--) + { + LOAD_VECTORSC (dest, src, mask); + + vdest = pix_add_mul (vdest, + pix_multiply (vmask, splat_alpha (vsrc)), + pix_multiply (vsrc, vmask), + negate (splat_alpha (vdest))); + + STORE_VECTOR (dest); + + src += 4; + dest += 4; + mask += 4; + } + + for (i = width % 4; --i >= 0;) + { + uint32_t a = mask[i]; + uint32_t s = src[i]; + uint32_t d = dest[i]; + uint32_t sa = ALPHA_8 (s); + uint32_t da = ALPHA_8 (~d); + + UN8x4_MUL_UN8x4 (s, a); + UN8x4_MUL_UN8 (a, sa); + UN8x4_MUL_UN8x4_ADD_UN8x4_MUL_UN8 (d, a, s, da); + + dest[i] = d; + } +} + +static void +vmx_combine_xor_ca (pixman_implementation_t *imp, + pixman_op_t op, + uint32_t * dest, + const uint32_t * src, + const uint32_t * mask, + int width) +{ + int i; + vector unsigned int vdest, vsrc, vmask; + vector unsigned char tmp1, tmp2, tmp3, tmp4, edges, + dest_mask, mask_mask, src_mask, store_mask; + + COMPUTE_SHIFT_MASKC (dest, src, mask); + + /* printf ("%s\n",__PRETTY_FUNCTION__); */ + for (i = width / 4; i > 0; i--) + { + LOAD_VECTORSC (dest, src, mask); + + vdest = pix_add_mul (vdest, + negate (pix_multiply (vmask, splat_alpha (vsrc))), + pix_multiply (vsrc, vmask), + negate (splat_alpha (vdest))); + + STORE_VECTOR (dest); + + src += 4; + dest += 4; + mask += 4; + } + + for (i = width % 4; --i >= 0;) + { + uint32_t a = mask[i]; + uint32_t s = src[i]; + uint32_t d = dest[i]; + uint32_t sa = ALPHA_8 (s); + uint32_t da = ALPHA_8 (~d); + + UN8x4_MUL_UN8x4 (s, a); + UN8x4_MUL_UN8 (a, sa); + UN8x4_MUL_UN8x4_ADD_UN8x4_MUL_UN8 (d, ~a, s, da); + + dest[i] = d; + } +} + +static void +vmx_combine_add_ca (pixman_implementation_t *imp, + pixman_op_t op, + uint32_t * dest, + const uint32_t * src, + const uint32_t * mask, + int width) +{ + int i; + vector unsigned int vdest, vsrc, vmask; + vector unsigned char tmp1, tmp2, tmp3, tmp4, edges, + dest_mask, mask_mask, src_mask, store_mask; + + COMPUTE_SHIFT_MASKC (dest, src, mask); + + /* printf ("%s\n",__PRETTY_FUNCTION__); */ + for (i = width / 4; i > 0; i--) + { + LOAD_VECTORSC (dest, src, mask); + + vdest = pix_add (pix_multiply (vsrc, vmask), vdest); + + STORE_VECTOR (dest); + + src += 4; + dest += 4; + mask += 4; + } + + for (i = width % 4; --i >= 0;) + { + uint32_t a = mask[i]; + uint32_t s = src[i]; + uint32_t d = dest[i]; + + UN8x4_MUL_UN8x4 (s, a); + UN8x4_ADD_UN8x4 (s, d); + + dest[i] = s; + } +} + +static const pixman_fast_path_t vmx_fast_paths[] = +{ + { PIXMAN_OP_NONE }, +}; + +pixman_implementation_t * +_pixman_implementation_create_vmx (pixman_implementation_t *fallback) +{ + pixman_implementation_t *imp = _pixman_implementation_create (fallback, vmx_fast_paths); + + /* Set up function pointers */ + + imp->combine_32[PIXMAN_OP_OVER] = vmx_combine_over_u; + imp->combine_32[PIXMAN_OP_OVER_REVERSE] = vmx_combine_over_reverse_u; + imp->combine_32[PIXMAN_OP_IN] = vmx_combine_in_u; + imp->combine_32[PIXMAN_OP_IN_REVERSE] = vmx_combine_in_reverse_u; + imp->combine_32[PIXMAN_OP_OUT] = vmx_combine_out_u; + imp->combine_32[PIXMAN_OP_OUT_REVERSE] = vmx_combine_out_reverse_u; + imp->combine_32[PIXMAN_OP_ATOP] = vmx_combine_atop_u; + imp->combine_32[PIXMAN_OP_ATOP_REVERSE] = vmx_combine_atop_reverse_u; + imp->combine_32[PIXMAN_OP_XOR] = vmx_combine_xor_u; + + imp->combine_32[PIXMAN_OP_ADD] = vmx_combine_add_u; + + imp->combine_32_ca[PIXMAN_OP_SRC] = vmx_combine_src_ca; + imp->combine_32_ca[PIXMAN_OP_OVER] = vmx_combine_over_ca; + imp->combine_32_ca[PIXMAN_OP_OVER_REVERSE] = vmx_combine_over_reverse_ca; + imp->combine_32_ca[PIXMAN_OP_IN] = vmx_combine_in_ca; + imp->combine_32_ca[PIXMAN_OP_IN_REVERSE] = vmx_combine_in_reverse_ca; + imp->combine_32_ca[PIXMAN_OP_OUT] = vmx_combine_out_ca; + imp->combine_32_ca[PIXMAN_OP_OUT_REVERSE] = vmx_combine_out_reverse_ca; + imp->combine_32_ca[PIXMAN_OP_ATOP] = vmx_combine_atop_ca; + imp->combine_32_ca[PIXMAN_OP_ATOP_REVERSE] = vmx_combine_atop_reverse_ca; + imp->combine_32_ca[PIXMAN_OP_XOR] = vmx_combine_xor_ca; + imp->combine_32_ca[PIXMAN_OP_ADD] = vmx_combine_add_ca; + + return imp; +} |