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-rw-r--r--pixman/pixman/pixman-fast-path.c1379
1 files changed, 1379 insertions, 0 deletions
diff --git a/pixman/pixman/pixman-fast-path.c b/pixman/pixman/pixman-fast-path.c
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index 000000000..d2ce26fe3
--- /dev/null
+++ b/pixman/pixman/pixman-fast-path.c
@@ -0,0 +1,1379 @@
+/* -*- Mode: c; c-basic-offset: 4; tab-width: 8; indent-tabs-mode: t; -*- */
+/*
+ * Copyright © 2000 SuSE, Inc.
+ * Copyright © 2007 Red Hat, Inc.
+ *
+ * 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 SuSE not be used in advertising or
+ * publicity pertaining to distribution of the software without specific,
+ * written prior permission. SuSE makes no representations about the
+ * suitability of this software for any purpose. It is provided "as is"
+ * without express or implied warranty.
+ *
+ * SuSE DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL SuSE
+ * 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: Keith Packard, SuSE, Inc.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <string.h>
+#include "pixman-private.h"
+#include "pixman-combine32.h"
+
+static force_inline uint32_t
+fetch_24 (uint8_t *a)
+{
+ if (((unsigned long)a) & 1)
+ {
+#ifdef WORDS_BIGENDIAN
+ return (*a << 16) | (*(uint16_t *)(a + 1));
+#else
+ return *a | (*(uint16_t *)(a + 1) << 8);
+#endif
+ }
+ else
+ {
+#ifdef WORDS_BIGENDIAN
+ return (*(uint16_t *)a << 8) | *(a + 2);
+#else
+ return *(uint16_t *)a | (*(a + 2) << 16);
+#endif
+ }
+}
+
+static force_inline void
+store_24 (uint8_t *a,
+ uint32_t v)
+{
+ if (((unsigned long)a) & 1)
+ {
+#ifdef WORDS_BIGENDIAN
+ *a = (uint8_t) (v >> 16);
+ *(uint16_t *)(a + 1) = (uint16_t) (v);
+#else
+ *a = (uint8_t) (v);
+ *(uint16_t *)(a + 1) = (uint16_t) (v >> 8);
+#endif
+ }
+ else
+ {
+#ifdef WORDS_BIGENDIAN
+ *(uint16_t *)a = (uint16_t)(v >> 8);
+ *(a + 2) = (uint8_t)v;
+#else
+ *(uint16_t *)a = (uint16_t)v;
+ *(a + 2) = (uint8_t)(v >> 16);
+#endif
+ }
+}
+
+static force_inline uint32_t
+over (uint32_t src,
+ uint32_t dest)
+{
+ uint32_t a = ~src >> 24;
+
+ UN8x4_MUL_UN8_ADD_UN8x4 (dest, a, src);
+
+ return dest;
+}
+
+static uint32_t
+in (uint32_t x,
+ uint8_t y)
+{
+ uint16_t a = y;
+
+ UN8x4_MUL_UN8 (x, a);
+
+ return x;
+}
+
+/*
+ * Naming convention:
+ *
+ * op_src_mask_dest
+ */
+static void
+fast_composite_over_x888_8_8888 (pixman_implementation_t *imp,
+ pixman_op_t op,
+ pixman_image_t * src_image,
+ pixman_image_t * mask_image,
+ pixman_image_t * dst_image,
+ int32_t src_x,
+ int32_t src_y,
+ int32_t mask_x,
+ int32_t mask_y,
+ int32_t dest_x,
+ int32_t dest_y,
+ int32_t width,
+ int32_t height)
+{
+ uint32_t *src, *src_line;
+ uint32_t *dst, *dst_line;
+ uint8_t *mask, *mask_line;
+ int src_stride, mask_stride, dst_stride;
+ uint8_t m;
+ uint32_t s, d;
+ uint16_t w;
+
+ PIXMAN_IMAGE_GET_LINE (dst_image, dest_x, dest_y, uint32_t, dst_stride, dst_line, 1);
+ PIXMAN_IMAGE_GET_LINE (mask_image, mask_x, mask_y, uint8_t, mask_stride, mask_line, 1);
+ PIXMAN_IMAGE_GET_LINE (src_image, src_x, src_y, uint32_t, src_stride, src_line, 1);
+
+ while (height--)
+ {
+ src = src_line;
+ src_line += src_stride;
+ dst = dst_line;
+ dst_line += dst_stride;
+ mask = mask_line;
+ mask_line += mask_stride;
+
+ w = width;
+ while (w--)
+ {
+ m = *mask++;
+ if (m)
+ {
+ s = *src | 0xff000000;
+
+ if (m == 0xff)
+ {
+ *dst = s;
+ }
+ else
+ {
+ d = in (s, m);
+ *dst = over (d, *dst);
+ }
+ }
+ src++;
+ dst++;
+ }
+ }
+}
+
+static void
+fast_composite_in_n_8_8 (pixman_implementation_t *imp,
+ pixman_op_t op,
+ pixman_image_t * src_image,
+ pixman_image_t * mask_image,
+ pixman_image_t * dest_image,
+ int32_t src_x,
+ int32_t src_y,
+ int32_t mask_x,
+ int32_t mask_y,
+ int32_t dest_x,
+ int32_t dest_y,
+ int32_t width,
+ int32_t height)
+{
+ uint32_t src, srca;
+ uint8_t *dst_line, *dst;
+ uint8_t *mask_line, *mask, m;
+ int dst_stride, mask_stride;
+ uint16_t w;
+ uint16_t t;
+
+ src = _pixman_image_get_solid (src_image, dest_image->bits.format);
+
+ srca = src >> 24;
+
+ PIXMAN_IMAGE_GET_LINE (dest_image, dest_x, dest_y, uint8_t, dst_stride, dst_line, 1);
+ PIXMAN_IMAGE_GET_LINE (mask_image, mask_x, mask_y, uint8_t, mask_stride, mask_line, 1);
+
+ if (srca == 0xff)
+ {
+ while (height--)
+ {
+ dst = dst_line;
+ dst_line += dst_stride;
+ mask = mask_line;
+ mask_line += mask_stride;
+ w = width;
+
+ while (w--)
+ {
+ m = *mask++;
+
+ if (m == 0)
+ *dst = 0;
+ else if (m != 0xff)
+ *dst = MUL_UN8 (m, *dst, t);
+
+ dst++;
+ }
+ }
+ }
+ else
+ {
+ while (height--)
+ {
+ dst = dst_line;
+ dst_line += dst_stride;
+ mask = mask_line;
+ mask_line += mask_stride;
+ w = width;
+
+ while (w--)
+ {
+ m = *mask++;
+ m = MUL_UN8 (m, srca, t);
+
+ if (m == 0)
+ *dst = 0;
+ else if (m != 0xff)
+ *dst = MUL_UN8 (m, *dst, t);
+
+ dst++;
+ }
+ }
+ }
+}
+
+static void
+fast_composite_in_8_8 (pixman_implementation_t *imp,
+ pixman_op_t op,
+ pixman_image_t * src_image,
+ pixman_image_t * mask_image,
+ pixman_image_t * dest_image,
+ int32_t src_x,
+ int32_t src_y,
+ int32_t mask_x,
+ int32_t mask_y,
+ int32_t dest_x,
+ int32_t dest_y,
+ int32_t width,
+ int32_t height)
+{
+ uint8_t *dst_line, *dst;
+ uint8_t *src_line, *src;
+ int dst_stride, src_stride;
+ uint16_t w;
+ uint8_t s;
+ uint16_t t;
+
+ PIXMAN_IMAGE_GET_LINE (src_image, src_x, src_y, uint8_t, src_stride, src_line, 1);
+ PIXMAN_IMAGE_GET_LINE (dest_image, dest_x, dest_y, uint8_t, dst_stride, dst_line, 1);
+
+ while (height--)
+ {
+ dst = dst_line;
+ dst_line += dst_stride;
+ src = src_line;
+ src_line += src_stride;
+ w = width;
+
+ while (w--)
+ {
+ s = *src++;
+
+ if (s == 0)
+ *dst = 0;
+ else if (s != 0xff)
+ *dst = MUL_UN8 (s, *dst, t);
+
+ dst++;
+ }
+ }
+}
+
+static void
+fast_composite_over_n_8_8888 (pixman_implementation_t *imp,
+ pixman_op_t op,
+ pixman_image_t * src_image,
+ pixman_image_t * mask_image,
+ pixman_image_t * dst_image,
+ int32_t src_x,
+ int32_t src_y,
+ int32_t mask_x,
+ int32_t mask_y,
+ int32_t dest_x,
+ int32_t dest_y,
+ int32_t width,
+ int32_t height)
+{
+ uint32_t src, srca;
+ uint32_t *dst_line, *dst, d;
+ uint8_t *mask_line, *mask, m;
+ int dst_stride, mask_stride;
+ uint16_t w;
+
+ src = _pixman_image_get_solid (src_image, dst_image->bits.format);
+
+ srca = src >> 24;
+ if (src == 0)
+ return;
+
+ PIXMAN_IMAGE_GET_LINE (dst_image, dest_x, dest_y, uint32_t, dst_stride, dst_line, 1);
+ PIXMAN_IMAGE_GET_LINE (mask_image, mask_x, mask_y, uint8_t, mask_stride, mask_line, 1);
+
+ while (height--)
+ {
+ dst = dst_line;
+ dst_line += dst_stride;
+ mask = mask_line;
+ mask_line += mask_stride;
+ w = width;
+
+ while (w--)
+ {
+ m = *mask++;
+ if (m == 0xff)
+ {
+ if (srca == 0xff)
+ *dst = src;
+ else
+ *dst = over (src, *dst);
+ }
+ else if (m)
+ {
+ d = in (src, m);
+ *dst = over (d, *dst);
+ }
+ dst++;
+ }
+ }
+}
+
+static void
+fast_composite_over_n_8888_8888_ca (pixman_implementation_t *imp,
+ pixman_op_t op,
+ pixman_image_t * src_image,
+ pixman_image_t * mask_image,
+ pixman_image_t * dst_image,
+ int32_t src_x,
+ int32_t src_y,
+ int32_t mask_x,
+ int32_t mask_y,
+ int32_t dest_x,
+ int32_t dest_y,
+ int32_t width,
+ int32_t height)
+{
+ uint32_t src, srca;
+ uint32_t *dst_line, *dst, d;
+ uint32_t *mask_line, *mask, ma;
+ int dst_stride, mask_stride;
+ uint16_t w;
+
+ src = _pixman_image_get_solid (src_image, dst_image->bits.format);
+
+ srca = src >> 24;
+ if (src == 0)
+ return;
+
+ PIXMAN_IMAGE_GET_LINE (dst_image, dest_x, dest_y, uint32_t, dst_stride, dst_line, 1);
+ PIXMAN_IMAGE_GET_LINE (mask_image, mask_x, mask_y, uint32_t, mask_stride, mask_line, 1);
+
+ while (height--)
+ {
+ dst = dst_line;
+ dst_line += dst_stride;
+ mask = mask_line;
+ mask_line += mask_stride;
+ w = width;
+
+ while (w--)
+ {
+ ma = *mask++;
+ if (ma == 0xffffffff)
+ {
+ if (srca == 0xff)
+ *dst = src;
+ else
+ *dst = over (src, *dst);
+ }
+ else if (ma)
+ {
+ d = *dst;
+
+ UN8x4_MUL_UN8x4 (src, ma);
+ UN8x4_MUL_UN8 (ma, srca);
+ ma = ~ma;
+ UN8x4_MUL_UN8x4_ADD_UN8x4 (d, ma, src);
+
+ *dst = d;
+ }
+
+ dst++;
+ }
+ }
+}
+
+static void
+fast_composite_over_n_8_0888 (pixman_implementation_t *imp,
+ pixman_op_t op,
+ pixman_image_t * src_image,
+ pixman_image_t * mask_image,
+ pixman_image_t * dst_image,
+ int32_t src_x,
+ int32_t src_y,
+ int32_t mask_x,
+ int32_t mask_y,
+ int32_t dest_x,
+ int32_t dest_y,
+ int32_t width,
+ int32_t height)
+{
+ uint32_t src, srca;
+ uint8_t *dst_line, *dst;
+ uint32_t d;
+ uint8_t *mask_line, *mask, m;
+ int dst_stride, mask_stride;
+ uint16_t w;
+
+ src = _pixman_image_get_solid (src_image, dst_image->bits.format);
+
+ srca = src >> 24;
+ if (src == 0)
+ return;
+
+ PIXMAN_IMAGE_GET_LINE (dst_image, dest_x, dest_y, uint8_t, dst_stride, dst_line, 3);
+ PIXMAN_IMAGE_GET_LINE (mask_image, mask_x, mask_y, uint8_t, mask_stride, mask_line, 1);
+
+ while (height--)
+ {
+ dst = dst_line;
+ dst_line += dst_stride;
+ mask = mask_line;
+ mask_line += mask_stride;
+ w = width;
+
+ while (w--)
+ {
+ m = *mask++;
+ if (m == 0xff)
+ {
+ if (srca == 0xff)
+ {
+ d = src;
+ }
+ else
+ {
+ d = fetch_24 (dst);
+ d = over (src, d);
+ }
+ store_24 (dst, d);
+ }
+ else if (m)
+ {
+ d = over (in (src, m), fetch_24 (dst));
+ store_24 (dst, d);
+ }
+ dst += 3;
+ }
+ }
+}
+
+static void
+fast_composite_over_n_8_0565 (pixman_implementation_t *imp,
+ pixman_op_t op,
+ pixman_image_t * src_image,
+ pixman_image_t * mask_image,
+ pixman_image_t * dst_image,
+ int32_t src_x,
+ int32_t src_y,
+ int32_t mask_x,
+ int32_t mask_y,
+ int32_t dest_x,
+ int32_t dest_y,
+ int32_t width,
+ int32_t height)
+{
+ uint32_t src, srca;
+ uint16_t *dst_line, *dst;
+ uint32_t d;
+ uint8_t *mask_line, *mask, m;
+ int dst_stride, mask_stride;
+ uint16_t w;
+
+ src = _pixman_image_get_solid (src_image, dst_image->bits.format);
+
+ srca = src >> 24;
+ if (src == 0)
+ return;
+
+ PIXMAN_IMAGE_GET_LINE (dst_image, dest_x, dest_y, uint16_t, dst_stride, dst_line, 1);
+ PIXMAN_IMAGE_GET_LINE (mask_image, mask_x, mask_y, uint8_t, mask_stride, mask_line, 1);
+
+ while (height--)
+ {
+ dst = dst_line;
+ dst_line += dst_stride;
+ mask = mask_line;
+ mask_line += mask_stride;
+ w = width;
+
+ while (w--)
+ {
+ m = *mask++;
+ if (m == 0xff)
+ {
+ if (srca == 0xff)
+ {
+ d = src;
+ }
+ else
+ {
+ d = *dst;
+ d = over (src, CONVERT_0565_TO_0888 (d));
+ }
+ *dst = CONVERT_8888_TO_0565 (d);
+ }
+ else if (m)
+ {
+ d = *dst;
+ d = over (in (src, m), CONVERT_0565_TO_0888 (d));
+ *dst = CONVERT_8888_TO_0565 (d);
+ }
+ dst++;
+ }
+ }
+}
+
+static void
+fast_composite_over_n_8888_0565_ca (pixman_implementation_t *imp,
+ pixman_op_t op,
+ pixman_image_t * src_image,
+ pixman_image_t * mask_image,
+ pixman_image_t * dst_image,
+ int32_t src_x,
+ int32_t src_y,
+ int32_t mask_x,
+ int32_t mask_y,
+ int32_t dest_x,
+ int32_t dest_y,
+ int32_t width,
+ int32_t height)
+{
+ uint32_t src, srca;
+ uint16_t src16;
+ uint16_t *dst_line, *dst;
+ uint32_t d;
+ uint32_t *mask_line, *mask, ma;
+ int dst_stride, mask_stride;
+ uint16_t w;
+
+ src = _pixman_image_get_solid (src_image, dst_image->bits.format);
+
+ srca = src >> 24;
+ if (src == 0)
+ return;
+
+ src16 = CONVERT_8888_TO_0565 (src);
+
+ PIXMAN_IMAGE_GET_LINE (dst_image, dest_x, dest_y, uint16_t, dst_stride, dst_line, 1);
+ PIXMAN_IMAGE_GET_LINE (mask_image, mask_x, mask_y, uint32_t, mask_stride, mask_line, 1);
+
+ while (height--)
+ {
+ dst = dst_line;
+ dst_line += dst_stride;
+ mask = mask_line;
+ mask_line += mask_stride;
+ w = width;
+
+ while (w--)
+ {
+ ma = *mask++;
+ if (ma == 0xffffffff)
+ {
+ if (srca == 0xff)
+ {
+ *dst = src16;
+ }
+ else
+ {
+ d = *dst;
+ d = over (src, CONVERT_0565_TO_0888 (d));
+ *dst = CONVERT_8888_TO_0565 (d);
+ }
+ }
+ else if (ma)
+ {
+ d = *dst;
+ d = CONVERT_0565_TO_0888 (d);
+
+ UN8x4_MUL_UN8x4 (src, ma);
+ UN8x4_MUL_UN8 (ma, srca);
+ ma = ~ma;
+ UN8x4_MUL_UN8x4_ADD_UN8x4 (d, ma, src);
+
+ *dst = CONVERT_8888_TO_0565 (d);
+ }
+ dst++;
+ }
+ }
+}
+
+static void
+fast_composite_over_8888_8888 (pixman_implementation_t *imp,
+ pixman_op_t op,
+ pixman_image_t * src_image,
+ pixman_image_t * mask_image,
+ pixman_image_t * dst_image,
+ int32_t src_x,
+ int32_t src_y,
+ int32_t mask_x,
+ int32_t mask_y,
+ int32_t dest_x,
+ int32_t dest_y,
+ int32_t width,
+ int32_t height)
+{
+ uint32_t *dst_line, *dst;
+ uint32_t *src_line, *src, s;
+ int dst_stride, src_stride;
+ uint8_t a;
+ uint16_t w;
+
+ PIXMAN_IMAGE_GET_LINE (dst_image, dest_x, dest_y, uint32_t, dst_stride, dst_line, 1);
+ PIXMAN_IMAGE_GET_LINE (src_image, src_x, src_y, uint32_t, src_stride, src_line, 1);
+
+ while (height--)
+ {
+ dst = dst_line;
+ dst_line += dst_stride;
+ src = src_line;
+ src_line += src_stride;
+ w = width;
+
+ while (w--)
+ {
+ s = *src++;
+ a = s >> 24;
+ if (a == 0xff)
+ *dst = s;
+ else if (s)
+ *dst = over (s, *dst);
+ dst++;
+ }
+ }
+}
+
+static void
+fast_composite_over_8888_0888 (pixman_implementation_t *imp,
+ pixman_op_t op,
+ pixman_image_t * src_image,
+ pixman_image_t * mask_image,
+ pixman_image_t * dst_image,
+ int32_t src_x,
+ int32_t src_y,
+ int32_t mask_x,
+ int32_t mask_y,
+ int32_t dest_x,
+ int32_t dest_y,
+ int32_t width,
+ int32_t height)
+{
+ uint8_t *dst_line, *dst;
+ uint32_t d;
+ uint32_t *src_line, *src, s;
+ uint8_t a;
+ int dst_stride, src_stride;
+ uint16_t w;
+
+ PIXMAN_IMAGE_GET_LINE (dst_image, dest_x, dest_y, uint8_t, dst_stride, dst_line, 3);
+ PIXMAN_IMAGE_GET_LINE (src_image, src_x, src_y, uint32_t, src_stride, src_line, 1);
+
+ while (height--)
+ {
+ dst = dst_line;
+ dst_line += dst_stride;
+ src = src_line;
+ src_line += src_stride;
+ w = width;
+
+ while (w--)
+ {
+ s = *src++;
+ a = s >> 24;
+ if (a)
+ {
+ if (a == 0xff)
+ d = s;
+ else
+ d = over (s, fetch_24 (dst));
+
+ store_24 (dst, d);
+ }
+ dst += 3;
+ }
+ }
+}
+
+static void
+fast_composite_over_8888_0565 (pixman_implementation_t *imp,
+ pixman_op_t op,
+ pixman_image_t * src_image,
+ pixman_image_t * mask_image,
+ pixman_image_t * dst_image,
+ int32_t src_x,
+ int32_t src_y,
+ int32_t mask_x,
+ int32_t mask_y,
+ int32_t dest_x,
+ int32_t dest_y,
+ int32_t width,
+ int32_t height)
+{
+ uint16_t *dst_line, *dst;
+ uint32_t d;
+ uint32_t *src_line, *src, s;
+ uint8_t a;
+ int dst_stride, src_stride;
+ uint16_t w;
+
+ PIXMAN_IMAGE_GET_LINE (src_image, src_x, src_y, uint32_t, src_stride, src_line, 1);
+ PIXMAN_IMAGE_GET_LINE (dst_image, dest_x, dest_y, uint16_t, dst_stride, dst_line, 1);
+
+ while (height--)
+ {
+ dst = dst_line;
+ dst_line += dst_stride;
+ src = src_line;
+ src_line += src_stride;
+ w = width;
+
+ while (w--)
+ {
+ s = *src++;
+ a = s >> 24;
+ if (s)
+ {
+ if (a == 0xff)
+ {
+ d = s;
+ }
+ else
+ {
+ d = *dst;
+ d = over (s, CONVERT_0565_TO_0888 (d));
+ }
+ *dst = CONVERT_8888_TO_0565 (d);
+ }
+ dst++;
+ }
+ }
+}
+
+static void
+fast_composite_src_x888_0565 (pixman_implementation_t *imp,
+ pixman_op_t op,
+ pixman_image_t * src_image,
+ pixman_image_t * mask_image,
+ pixman_image_t * dst_image,
+ int32_t src_x,
+ int32_t src_y,
+ int32_t mask_x,
+ int32_t mask_y,
+ int32_t dest_x,
+ int32_t dest_y,
+ int32_t width,
+ int32_t height)
+{
+ uint16_t *dst_line, *dst;
+ uint32_t *src_line, *src, s;
+ int dst_stride, src_stride;
+ uint16_t w;
+
+ PIXMAN_IMAGE_GET_LINE (src_image, src_x, src_y, uint32_t, src_stride, src_line, 1);
+ PIXMAN_IMAGE_GET_LINE (dst_image, dest_x, dest_y, uint16_t, dst_stride, dst_line, 1);
+
+ while (height--)
+ {
+ dst = dst_line;
+ dst_line += dst_stride;
+ src = src_line;
+ src_line += src_stride;
+ w = width;
+
+ while (w--)
+ {
+ s = *src++;
+ *dst = CONVERT_8888_TO_0565 (s);
+ dst++;
+ }
+ }
+}
+
+static void
+fast_composite_add_8000_8000 (pixman_implementation_t *imp,
+ pixman_op_t op,
+ pixman_image_t * src_image,
+ pixman_image_t * mask_image,
+ pixman_image_t * dst_image,
+ int32_t src_x,
+ int32_t src_y,
+ int32_t mask_x,
+ int32_t mask_y,
+ int32_t dest_x,
+ int32_t dest_y,
+ int32_t width,
+ int32_t height)
+{
+ uint8_t *dst_line, *dst;
+ uint8_t *src_line, *src;
+ int dst_stride, src_stride;
+ uint16_t w;
+ uint8_t s, d;
+ uint16_t t;
+
+ PIXMAN_IMAGE_GET_LINE (src_image, src_x, src_y, uint8_t, src_stride, src_line, 1);
+ PIXMAN_IMAGE_GET_LINE (dst_image, dest_x, dest_y, uint8_t, dst_stride, dst_line, 1);
+
+ while (height--)
+ {
+ dst = dst_line;
+ dst_line += dst_stride;
+ src = src_line;
+ src_line += src_stride;
+ w = width;
+
+ while (w--)
+ {
+ s = *src++;
+ if (s)
+ {
+ if (s != 0xff)
+ {
+ d = *dst;
+ t = d + s;
+ s = t | (0 - (t >> 8));
+ }
+ *dst = s;
+ }
+ dst++;
+ }
+ }
+}
+
+static void
+fast_composite_add_8888_8888 (pixman_implementation_t *imp,
+ pixman_op_t op,
+ pixman_image_t * src_image,
+ pixman_image_t * mask_image,
+ pixman_image_t * dst_image,
+ int32_t src_x,
+ int32_t src_y,
+ int32_t mask_x,
+ int32_t mask_y,
+ int32_t dest_x,
+ int32_t dest_y,
+ int32_t width,
+ int32_t height)
+{
+ uint32_t *dst_line, *dst;
+ uint32_t *src_line, *src;
+ int dst_stride, src_stride;
+ uint16_t w;
+ uint32_t s, d;
+
+ PIXMAN_IMAGE_GET_LINE (src_image, src_x, src_y, uint32_t, src_stride, src_line, 1);
+ PIXMAN_IMAGE_GET_LINE (dst_image, dest_x, dest_y, uint32_t, dst_stride, dst_line, 1);
+
+ while (height--)
+ {
+ dst = dst_line;
+ dst_line += dst_stride;
+ src = src_line;
+ src_line += src_stride;
+ w = width;
+
+ while (w--)
+ {
+ s = *src++;
+ if (s)
+ {
+ if (s != 0xffffffff)
+ {
+ d = *dst;
+ if (d)
+ UN8x4_ADD_UN8x4 (s, d);
+ }
+ *dst = s;
+ }
+ dst++;
+ }
+ }
+}
+
+static void
+fast_composite_add_8888_8_8 (pixman_implementation_t *imp,
+ pixman_op_t op,
+ pixman_image_t * src_image,
+ pixman_image_t * mask_image,
+ pixman_image_t * dst_image,
+ int32_t src_x,
+ int32_t src_y,
+ int32_t mask_x,
+ int32_t mask_y,
+ int32_t dest_x,
+ int32_t dest_y,
+ int32_t width,
+ int32_t height)
+{
+ uint8_t *dst_line, *dst;
+ uint8_t *mask_line, *mask;
+ int dst_stride, mask_stride;
+ uint16_t w;
+ uint32_t src;
+ uint8_t sa;
+
+ PIXMAN_IMAGE_GET_LINE (dst_image, dest_x, dest_y, uint8_t, dst_stride, dst_line, 1);
+ PIXMAN_IMAGE_GET_LINE (mask_image, mask_x, mask_y, uint8_t, mask_stride, mask_line, 1);
+ src = _pixman_image_get_solid (src_image, dst_image->bits.format);
+ sa = (src >> 24);
+
+ while (height--)
+ {
+ dst = dst_line;
+ dst_line += dst_stride;
+ mask = mask_line;
+ mask_line += mask_stride;
+ w = width;
+
+ while (w--)
+ {
+ uint16_t tmp;
+ uint16_t a;
+ uint32_t m, d;
+ uint32_t r;
+
+ a = *mask++;
+ d = *dst;
+
+ m = MUL_UN8 (sa, a, tmp);
+ r = ADD_UN8 (m, d, tmp);
+
+ *dst++ = r;
+ }
+ }
+}
+
+/*
+ * Simple bitblt
+ */
+
+static void
+fast_composite_solid_fill (pixman_implementation_t *imp,
+ pixman_op_t op,
+ pixman_image_t * src_image,
+ pixman_image_t * mask_image,
+ pixman_image_t * dst_image,
+ int32_t src_x,
+ int32_t src_y,
+ int32_t mask_x,
+ int32_t mask_y,
+ int32_t dest_x,
+ int32_t dest_y,
+ int32_t width,
+ int32_t height)
+{
+ uint32_t src;
+
+ src = _pixman_image_get_solid (src_image, dst_image->bits.format);
+
+ if (dst_image->bits.format == PIXMAN_a8)
+ {
+ src = src >> 24;
+ }
+ else if (dst_image->bits.format == PIXMAN_r5g6b5 ||
+ dst_image->bits.format == PIXMAN_b5g6r5)
+ {
+ src = CONVERT_8888_TO_0565 (src);
+ }
+
+ pixman_fill (dst_image->bits.bits, dst_image->bits.rowstride,
+ PIXMAN_FORMAT_BPP (dst_image->bits.format),
+ dest_x, dest_y,
+ width, height,
+ src);
+}
+
+static void
+fast_composite_src_8888_x888 (pixman_implementation_t *imp,
+ pixman_op_t op,
+ pixman_image_t * src_image,
+ pixman_image_t * mask_image,
+ pixman_image_t * dst_image,
+ int32_t src_x,
+ int32_t src_y,
+ int32_t mask_x,
+ int32_t mask_y,
+ int32_t dest_x,
+ int32_t dest_y,
+ int32_t width,
+ int32_t height)
+{
+ uint32_t *dst;
+ uint32_t *src;
+ int dst_stride, src_stride;
+ uint32_t n_bytes = width * sizeof (uint32_t);
+
+ PIXMAN_IMAGE_GET_LINE (src_image, src_x, src_y, uint32_t, src_stride, src, 1);
+ PIXMAN_IMAGE_GET_LINE (dst_image, dest_x, dest_y, uint32_t, dst_stride, dst, 1);
+
+ while (height--)
+ {
+ memcpy (dst, src, n_bytes);
+
+ dst += dst_stride;
+ src += src_stride;
+ }
+}
+
+static const pixman_fast_path_t c_fast_paths[] =
+{
+ { PIXMAN_OP_OVER, PIXMAN_solid, PIXMAN_a8, PIXMAN_r5g6b5, fast_composite_over_n_8_0565, 0 },
+ { PIXMAN_OP_OVER, PIXMAN_solid, PIXMAN_a8, PIXMAN_b5g6r5, fast_composite_over_n_8_0565, 0 },
+ { PIXMAN_OP_OVER, PIXMAN_solid, PIXMAN_a8, PIXMAN_r8g8b8, fast_composite_over_n_8_0888, 0 },
+ { PIXMAN_OP_OVER, PIXMAN_solid, PIXMAN_a8, PIXMAN_b8g8r8, fast_composite_over_n_8_0888, 0 },
+ { PIXMAN_OP_OVER, PIXMAN_solid, PIXMAN_a8, PIXMAN_a8r8g8b8, fast_composite_over_n_8_8888, 0 },
+ { PIXMAN_OP_OVER, PIXMAN_solid, PIXMAN_a8, PIXMAN_x8r8g8b8, fast_composite_over_n_8_8888, 0 },
+ { PIXMAN_OP_OVER, PIXMAN_solid, PIXMAN_a8, PIXMAN_a8b8g8r8, fast_composite_over_n_8_8888, 0 },
+ { PIXMAN_OP_OVER, PIXMAN_solid, PIXMAN_a8, PIXMAN_x8b8g8r8, fast_composite_over_n_8_8888, 0 },
+ { PIXMAN_OP_OVER, PIXMAN_solid, PIXMAN_a8r8g8b8, PIXMAN_a8r8g8b8, fast_composite_over_n_8888_8888_ca, NEED_COMPONENT_ALPHA },
+ { PIXMAN_OP_OVER, PIXMAN_solid, PIXMAN_a8r8g8b8, PIXMAN_x8r8g8b8, fast_composite_over_n_8888_8888_ca, NEED_COMPONENT_ALPHA },
+ { PIXMAN_OP_OVER, PIXMAN_solid, PIXMAN_a8r8g8b8, PIXMAN_r5g6b5, fast_composite_over_n_8888_0565_ca, NEED_COMPONENT_ALPHA },
+ { PIXMAN_OP_OVER, PIXMAN_solid, PIXMAN_a8b8g8r8, PIXMAN_a8b8g8r8, fast_composite_over_n_8888_8888_ca, NEED_COMPONENT_ALPHA },
+ { PIXMAN_OP_OVER, PIXMAN_solid, PIXMAN_a8b8g8r8, PIXMAN_x8b8g8r8, fast_composite_over_n_8888_8888_ca, NEED_COMPONENT_ALPHA },
+ { PIXMAN_OP_OVER, PIXMAN_solid, PIXMAN_a8b8g8r8, PIXMAN_b5g6r5, fast_composite_over_n_8888_0565_ca, NEED_COMPONENT_ALPHA },
+ { PIXMAN_OP_OVER, PIXMAN_x8r8g8b8, PIXMAN_a8, PIXMAN_x8r8g8b8, fast_composite_over_x888_8_8888, 0 },
+ { PIXMAN_OP_OVER, PIXMAN_x8r8g8b8, PIXMAN_a8, PIXMAN_a8r8g8b8, fast_composite_over_x888_8_8888, 0 },
+ { PIXMAN_OP_OVER, PIXMAN_x8b8g8r8, PIXMAN_a8, PIXMAN_x8b8g8r8, fast_composite_over_x888_8_8888, 0 },
+ { PIXMAN_OP_OVER, PIXMAN_x8b8g8r8, PIXMAN_a8, PIXMAN_a8b8g8r8, fast_composite_over_x888_8_8888, 0 },
+ { PIXMAN_OP_OVER, PIXMAN_a8r8g8b8, PIXMAN_null, PIXMAN_a8r8g8b8, fast_composite_over_8888_8888, 0 },
+ { PIXMAN_OP_OVER, PIXMAN_a8r8g8b8, PIXMAN_null, PIXMAN_x8r8g8b8, fast_composite_over_8888_8888, 0 },
+ { PIXMAN_OP_OVER, PIXMAN_a8r8g8b8, PIXMAN_null, PIXMAN_r5g6b5, fast_composite_over_8888_0565, 0 },
+ { PIXMAN_OP_OVER, PIXMAN_a8b8g8r8, PIXMAN_null, PIXMAN_a8b8g8r8, fast_composite_over_8888_8888, 0 },
+ { PIXMAN_OP_OVER, PIXMAN_a8b8g8r8, PIXMAN_null, PIXMAN_x8b8g8r8, fast_composite_over_8888_8888, 0 },
+ { PIXMAN_OP_OVER, PIXMAN_a8b8g8r8, PIXMAN_null, PIXMAN_b5g6r5, fast_composite_over_8888_0565, 0 },
+ { PIXMAN_OP_ADD, PIXMAN_a8r8g8b8, PIXMAN_null, PIXMAN_a8r8g8b8, fast_composite_add_8888_8888, 0 },
+ { PIXMAN_OP_ADD, PIXMAN_a8b8g8r8, PIXMAN_null, PIXMAN_a8b8g8r8, fast_composite_add_8888_8888, 0 },
+ { PIXMAN_OP_ADD, PIXMAN_a8, PIXMAN_null, PIXMAN_a8, fast_composite_add_8000_8000, 0 },
+ { PIXMAN_OP_ADD, PIXMAN_solid, PIXMAN_a8, PIXMAN_a8, fast_composite_add_8888_8_8, 0 },
+ { PIXMAN_OP_SRC, PIXMAN_solid, PIXMAN_null, PIXMAN_a8r8g8b8, fast_composite_solid_fill, 0 },
+ { PIXMAN_OP_SRC, PIXMAN_solid, PIXMAN_null, PIXMAN_x8r8g8b8, fast_composite_solid_fill, 0 },
+ { PIXMAN_OP_SRC, PIXMAN_solid, PIXMAN_null, PIXMAN_a8b8g8r8, fast_composite_solid_fill, 0 },
+ { PIXMAN_OP_SRC, PIXMAN_solid, PIXMAN_null, PIXMAN_x8b8g8r8, fast_composite_solid_fill, 0 },
+ { PIXMAN_OP_SRC, PIXMAN_solid, PIXMAN_null, PIXMAN_a8, fast_composite_solid_fill, 0 },
+ { PIXMAN_OP_SRC, PIXMAN_solid, PIXMAN_null, PIXMAN_r5g6b5, fast_composite_solid_fill, 0 },
+ { PIXMAN_OP_SRC, PIXMAN_a8r8g8b8, PIXMAN_null, PIXMAN_x8r8g8b8, fast_composite_src_8888_x888, 0 },
+ { PIXMAN_OP_SRC, PIXMAN_x8r8g8b8, PIXMAN_null, PIXMAN_x8r8g8b8, fast_composite_src_8888_x888, 0 },
+ { PIXMAN_OP_SRC, PIXMAN_a8b8g8r8, PIXMAN_null, PIXMAN_x8b8g8r8, fast_composite_src_8888_x888, 0 },
+ { PIXMAN_OP_SRC, PIXMAN_x8b8g8r8, PIXMAN_null, PIXMAN_x8b8g8r8, fast_composite_src_8888_x888, 0 },
+ { PIXMAN_OP_SRC, PIXMAN_a8r8g8b8, PIXMAN_null, PIXMAN_r5g6b5, fast_composite_src_x888_0565, 0 },
+ { PIXMAN_OP_SRC, PIXMAN_x8r8g8b8, PIXMAN_null, PIXMAN_r5g6b5, fast_composite_src_x888_0565, 0 },
+ { PIXMAN_OP_SRC, PIXMAN_a8b8g8r8, PIXMAN_null, PIXMAN_b5g6r5, fast_composite_src_x888_0565, 0 },
+ { PIXMAN_OP_SRC, PIXMAN_x8b8g8r8, PIXMAN_null, PIXMAN_b5g6r5, fast_composite_src_x888_0565, 0 },
+ { PIXMAN_OP_IN, PIXMAN_a8, PIXMAN_null, PIXMAN_a8, fast_composite_in_8_8, 0 },
+ { PIXMAN_OP_IN, PIXMAN_solid, PIXMAN_a8, PIXMAN_a8, fast_composite_in_n_8_8, 0 },
+ { PIXMAN_OP_NONE },
+};
+
+static void
+fast_composite_src_scale_nearest (pixman_implementation_t *imp,
+ pixman_op_t op,
+ pixman_image_t * src_image,
+ pixman_image_t * mask_image,
+ pixman_image_t * dst_image,
+ int32_t src_x,
+ int32_t src_y,
+ int32_t mask_x,
+ int32_t mask_y,
+ int32_t dest_x,
+ int32_t dest_y,
+ int32_t width,
+ int32_t height)
+{
+ uint32_t *dst;
+ uint32_t *src;
+ int dst_stride, src_stride;
+ int i, j;
+ pixman_vector_t v;
+
+ PIXMAN_IMAGE_GET_LINE (dst_image, dest_x, dest_y, uint32_t, dst_stride, dst, 1);
+ /* pass in 0 instead of src_x and src_y because src_x and src_y need to be
+ * transformed from destination space to source space */
+ PIXMAN_IMAGE_GET_LINE (src_image, 0, 0, uint32_t, src_stride, src, 1);
+
+ /* reference point is the center of the pixel */
+ v.vector[0] = pixman_int_to_fixed (src_x) + pixman_fixed_1 / 2;
+ v.vector[1] = pixman_int_to_fixed (src_y) + pixman_fixed_1 / 2;
+ v.vector[2] = pixman_fixed_1;
+
+ if (!pixman_transform_point_3d (src_image->common.transform, &v))
+ return;
+
+ /* Round down to closest integer, ensuring that 0.5 rounds to 0, not 1 */
+ v.vector[0] -= pixman_fixed_e;
+ v.vector[1] -= pixman_fixed_e;
+
+ for (j = 0; j < height; j++)
+ {
+ pixman_fixed_t vx = v.vector[0];
+ pixman_fixed_t vy = v.vector[1];
+
+ for (i = 0; i < width; ++i)
+ {
+ pixman_bool_t inside_bounds;
+ uint32_t result;
+ int x, y;
+ x = vx >> 16;
+ y = vy >> 16;
+
+ /* apply the repeat function */
+ switch (src_image->common.repeat)
+ {
+ case PIXMAN_REPEAT_NORMAL:
+ x = MOD (x, src_image->bits.width);
+ y = MOD (y, src_image->bits.height);
+ inside_bounds = TRUE;
+ break;
+
+ case PIXMAN_REPEAT_PAD:
+ x = CLIP (x, 0, src_image->bits.width - 1);
+ y = CLIP (y, 0, src_image->bits.height - 1);
+ inside_bounds = TRUE;
+ break;
+
+ case PIXMAN_REPEAT_REFLECT:
+ x = MOD (x, src_image->bits.width * 2);
+ if (x >= src_image->bits.width)
+ x = src_image->bits.width * 2 - x - 1;
+ y = MOD (y, src_image->bits.height * 2);
+ if (y >= src_image->bits.height)
+ y = src_image->bits.height * 2 - y - 1;
+ inside_bounds = TRUE;
+ break;
+
+ case PIXMAN_REPEAT_NONE:
+ default:
+ inside_bounds =
+ (x >= 0 &&
+ x < src_image->bits.width &&
+ y >= 0 &&
+ y < src_image->bits.height);
+ break;
+ }
+
+ if (inside_bounds)
+ {
+ /* XXX: we should move this multiplication out of the loop */
+ result = *(src + y * src_stride + x);
+ }
+ else
+ {
+ result = 0;
+ }
+ *(dst + i) = result;
+
+ /* adjust the x location by a unit vector in the x direction:
+ * this is equivalent to transforming x+1 of the destination
+ * point to source space
+ */
+ vx += src_image->common.transform->matrix[0][0];
+ }
+ /* adjust the y location by a unit vector in the y direction
+ * this is equivalent to transforming y+1 of the destination point
+ * to source space
+ */
+ v.vector[1] += src_image->common.transform->matrix[1][1];
+ dst += dst_stride;
+ }
+}
+
+static void
+fast_path_composite (pixman_implementation_t *imp,
+ pixman_op_t op,
+ pixman_image_t * src,
+ pixman_image_t * mask,
+ pixman_image_t * dest,
+ int32_t src_x,
+ int32_t src_y,
+ int32_t mask_x,
+ int32_t mask_y,
+ int32_t dest_x,
+ int32_t dest_y,
+ int32_t width,
+ int32_t height)
+{
+ if (src->type == BITS
+ && src->common.transform
+ && !mask
+ && op == PIXMAN_OP_SRC
+ && !src->common.alpha_map && !dest->common.alpha_map
+ && (src->common.filter == PIXMAN_FILTER_NEAREST)
+ && PIXMAN_FORMAT_BPP (dest->bits.format) == 32
+ && src->bits.format == dest->bits.format
+ && !src->bits.read_func && !src->bits.write_func
+ && !dest->bits.read_func && !dest->bits.write_func)
+ {
+ /* ensure that the transform matrix only has a scale */
+ if (src->common.transform->matrix[0][1] == 0 &&
+ src->common.transform->matrix[1][0] == 0 &&
+ src->common.transform->matrix[2][0] == 0 &&
+ src->common.transform->matrix[2][1] == 0 &&
+ src->common.transform->matrix[2][2] == pixman_fixed_1)
+ {
+ _pixman_walk_composite_region (imp, op,
+ src, mask, dest,
+ src_x, src_y,
+ mask_x, mask_y,
+ dest_x, dest_y,
+ width, height,
+ fast_composite_src_scale_nearest);
+ return;
+ }
+ }
+
+ if (_pixman_run_fast_path (c_fast_paths, imp,
+ op, src, mask, dest,
+ src_x, src_y,
+ mask_x, mask_y,
+ dest_x, dest_y,
+ width, height))
+ {
+ return;
+ }
+
+ _pixman_implementation_composite (imp->delegate, op,
+ src, mask, dest,
+ src_x, src_y,
+ mask_x, mask_y,
+ dest_x, dest_y,
+ width, height);
+}
+
+static void
+pixman_fill8 (uint32_t *bits,
+ int stride,
+ int x,
+ int y,
+ int width,
+ int height,
+ uint32_t xor)
+{
+ int byte_stride = stride * (int) sizeof (uint32_t);
+ uint8_t *dst = (uint8_t *) bits;
+ uint8_t v = xor & 0xff;
+ int i;
+
+ dst = dst + y * byte_stride + x;
+
+ while (height--)
+ {
+ for (i = 0; i < width; ++i)
+ dst[i] = v;
+
+ dst += byte_stride;
+ }
+}
+
+static void
+pixman_fill16 (uint32_t *bits,
+ int stride,
+ int x,
+ int y,
+ int width,
+ int height,
+ uint32_t xor)
+{
+ int short_stride =
+ (stride * (int)sizeof (uint32_t)) / (int)sizeof (uint16_t);
+ uint16_t *dst = (uint16_t *)bits;
+ uint16_t v = xor & 0xffff;
+ int i;
+
+ dst = dst + y * short_stride + x;
+
+ while (height--)
+ {
+ for (i = 0; i < width; ++i)
+ dst[i] = v;
+
+ dst += short_stride;
+ }
+}
+
+static void
+pixman_fill32 (uint32_t *bits,
+ int stride,
+ int x,
+ int y,
+ int width,
+ int height,
+ uint32_t xor)
+{
+ int i;
+
+ bits = bits + y * stride + x;
+
+ while (height--)
+ {
+ for (i = 0; i < width; ++i)
+ bits[i] = xor;
+
+ bits += stride;
+ }
+}
+
+static pixman_bool_t
+fast_path_fill (pixman_implementation_t *imp,
+ uint32_t * bits,
+ int stride,
+ int bpp,
+ int x,
+ int y,
+ int width,
+ int height,
+ uint32_t xor)
+{
+ switch (bpp)
+ {
+ case 8:
+ pixman_fill8 (bits, stride, x, y, width, height, xor);
+ break;
+
+ case 16:
+ pixman_fill16 (bits, stride, x, y, width, height, xor);
+ break;
+
+ case 32:
+ pixman_fill32 (bits, stride, x, y, width, height, xor);
+ break;
+
+ default:
+ return _pixman_implementation_fill (
+ imp->delegate, bits, stride, bpp, x, y, width, height, xor);
+ break;
+ }
+
+ return TRUE;
+}
+
+pixman_implementation_t *
+_pixman_implementation_create_fast_path (void)
+{
+ pixman_implementation_t *general = _pixman_implementation_create_general ();
+ pixman_implementation_t *imp = _pixman_implementation_create (general);
+
+ imp->composite = fast_path_composite;
+ imp->fill = fast_path_fill;
+
+ return imp;
+}
+
generated by cgit v1.2.3 (git 2.25.1) at 2024-08-04 09:46:43 +0000