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authorReinhard Tartler <siretart@tauware.de>2011-10-10 17:43:39 +0200
committerReinhard Tartler <siretart@tauware.de>2011-10-10 17:43:39 +0200
commitf4092abdf94af6a99aff944d6264bc1284e8bdd4 (patch)
tree2ac1c9cc16ceb93edb2c4382c088dac5aeafdf0f /nx-X11/programs/Xserver/fb/fbcompose.c
parenta840692edc9c6d19cd7c057f68e39c7d95eb767d (diff)
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Imported nx-X11-3.1.0-1.tar.gznx-X11/3.1.0-1
Summary: Imported nx-X11-3.1.0-1.tar.gz Keywords: Imported nx-X11-3.1.0-1.tar.gz into Git repository
Diffstat (limited to 'nx-X11/programs/Xserver/fb/fbcompose.c')
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1 files changed, 3627 insertions, 0 deletions
diff --git a/nx-X11/programs/Xserver/fb/fbcompose.c b/nx-X11/programs/Xserver/fb/fbcompose.c
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+++ b/nx-X11/programs/Xserver/fb/fbcompose.c
@@ -0,0 +1,3627 @@
+/*
+ * $XdotOrg: xc/programs/Xserver/fb/fbcompose.c,v 1.26 2005/12/09 18:35:20 ajax Exp $
+ * $XFree86: xc/programs/Xserver/fb/fbcompose.c,v 1.17tsi Exp $
+ *
+ * Copyright © 2000 Keith Packard, member of The XFree86 Project, Inc.
+ * 2005 Lars Knoll & Zack Rusin, Trolltech
+ *
+ * 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 Keith Packard not be used in
+ * advertising or publicity pertaining to distribution of the software without
+ * specific, written prior permission. Keith Packard 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.
+ */
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#include "fb.h"
+
+#ifdef RENDER
+
+#include "picturestr.h"
+#include "mipict.h"
+#include "fbpict.h"
+#include <math.h>
+
+#define mod(a,b) ((b) == 1 ? 0 : (a) >= 0 ? (a) % (b) : (b) - (-a) % (b))
+
+#define SCANLINE_BUFFER_LENGTH 2048
+
+typedef FASTCALL void (*fetchProc)(const FbBits *bits, int x, int width, CARD32 *buffer, miIndexedPtr indexed);
+
+/*
+ * All of the fetch functions
+ */
+
+static FASTCALL void
+fbFetch_a8r8g8b8 (const FbBits *bits, int x, int width, CARD32 *buffer, miIndexedPtr indexed)
+{
+ memcpy(buffer, (const CARD32 *)bits + x, width*sizeof(CARD32));
+}
+
+static FASTCALL void
+fbFetch_x8r8g8b8 (const FbBits *bits, int x, int width, CARD32 *buffer, miIndexedPtr indexed)
+{
+ const CARD32 *pixel = (const CARD32 *)bits + x;
+ const CARD32 *end = pixel + width;
+ while (pixel < end) {
+ *buffer++ = *pixel++ | 0xff000000;
+ }
+}
+
+static FASTCALL void
+fbFetch_a8b8g8r8 (const FbBits *bits, int x, int width, CARD32 *buffer, miIndexedPtr indexed)
+{
+ const CARD32 *pixel = (CARD32 *)bits + x;
+ const CARD32 *end = pixel + width;
+ while (pixel < end) {
+ *buffer++ = ((*pixel & 0xff00ff00) |
+ ((*pixel >> 16) & 0xff) |
+ ((*pixel & 0xff) << 16));
+ ++pixel;
+ }
+}
+
+static FASTCALL void
+fbFetch_x8b8g8r8 (const FbBits *bits, int x, int width, CARD32 *buffer, miIndexedPtr indexed)
+{
+ const CARD32 *pixel = (CARD32 *)bits + x;
+ const CARD32 *end = pixel + width;
+ while (pixel < end) {
+ *buffer++ = 0xff000000 |
+ ((*pixel & 0x0000ff00) |
+ ((*pixel >> 16) & 0xff) |
+ ((*pixel & 0xff) << 16));
+ ++pixel;
+ }
+}
+
+static FASTCALL void
+fbFetch_r8g8b8 (const FbBits *bits, int x, int width, CARD32 *buffer, miIndexedPtr indexed)
+{
+ const CARD8 *pixel = (const CARD8 *)bits + 3*x;
+ const CARD8 *end = pixel + 3*width;
+ while (pixel < end) {
+ CARD32 b = Fetch24(pixel) | 0xff000000;
+ pixel += 3;
+ *buffer++ = b;
+ }
+}
+
+static FASTCALL void
+fbFetch_b8g8r8 (const FbBits *bits, int x, int width, CARD32 *buffer, miIndexedPtr indexed)
+{
+ const CARD8 *pixel = (const CARD8 *)bits + 3*x;
+ const CARD8 *end = pixel + 3*width;
+ while (pixel < end) {
+ CARD32 b = 0xff000000;
+#if IMAGE_BYTE_ORDER == MSBFirst
+ b |= (*pixel++);
+ b |= (*pixel++ << 8);
+ b |= (*pixel++ << 16);
+#else
+ b |= (*pixel++ << 16);
+ b |= (*pixel++ << 8);
+ b |= (*pixel++);
+#endif
+ }
+}
+
+static FASTCALL void
+fbFetch_r5g6b5 (const FbBits *bits, int x, int width, CARD32 *buffer, miIndexedPtr indexed)
+{
+ const CARD16 *pixel = (const CARD16 *)bits + x;
+ const CARD16 *end = pixel + width;
+ while (pixel < end) {
+ CARD32 p = *pixel++;
+ CARD32 r = (((p) << 3) & 0xf8) |
+ (((p) << 5) & 0xfc00) |
+ (((p) << 8) & 0xf80000);
+ r |= (r >> 5) & 0x70007;
+ r |= (r >> 6) & 0x300;
+ *buffer++ = 0xff000000 | r;
+ }
+}
+
+static FASTCALL void
+fbFetch_b5g6r5 (const FbBits *bits, int x, int width, CARD32 *buffer, miIndexedPtr indexed)
+{
+ const CARD16 *pixel = (const CARD16 *)bits + x;
+ const CARD16 *end = pixel + width;
+ while (pixel < end) {
+ CARD32 p = *pixel++;
+ CARD32 r,g,b;
+
+ b = ((p & 0xf800) | ((p & 0xe000) >> 5)) >> 8;
+ g = ((p & 0x07e0) | ((p & 0x0600) >> 6)) << 5;
+ r = ((p & 0x001c) | ((p & 0x001f) << 5)) << 14;
+ *buffer++ = (0xff000000 | r | g | b);
+ }
+}
+
+static FASTCALL void
+fbFetch_a1r5g5b5 (const FbBits *bits, int x, int width, CARD32 *buffer, miIndexedPtr indexed)
+{
+ const CARD16 *pixel = (const CARD16 *)bits + x;
+ const CARD16 *end = pixel + width;
+ while (pixel < end) {
+ CARD32 p = *pixel++;
+ CARD32 r,g,b, a;
+
+ a = (CARD32) ((CARD8) (0 - ((p & 0x8000) >> 15))) << 24;
+ r = ((p & 0x7c00) | ((p & 0x7000) >> 5)) << 9;
+ g = ((p & 0x03e0) | ((p & 0x0380) >> 5)) << 6;
+ b = ((p & 0x001c) | ((p & 0x001f) << 5)) >> 2;
+ *buffer++ = (a | r | g | b);
+ }
+}
+
+static FASTCALL void
+fbFetch_x1r5g5b5 (const FbBits *bits, int x, int width, CARD32 *buffer, miIndexedPtr indexed)
+{
+ const CARD16 *pixel = (const CARD16 *)bits + x;
+ const CARD16 *end = pixel + width;
+ while (pixel < end) {
+ CARD32 p = *pixel++;
+ CARD32 r,g,b;
+
+ r = ((p & 0x7c00) | ((p & 0x7000) >> 5)) << 9;
+ g = ((p & 0x03e0) | ((p & 0x0380) >> 5)) << 6;
+ b = ((p & 0x001c) | ((p & 0x001f) << 5)) >> 2;
+ *buffer++ = (0xff000000 | r | g | b);
+ }
+}
+
+static FASTCALL void
+fbFetch_a1b5g5r5 (const FbBits *bits, int x, int width, CARD32 *buffer, miIndexedPtr indexed)
+{
+ const CARD16 *pixel = (const CARD16 *)bits + x;
+ const CARD16 *end = pixel + width;
+ while (pixel < end) {
+ CARD32 p = *pixel++;
+ CARD32 r,g,b, a;
+
+ a = (CARD32) ((CARD8) (0 - ((p & 0x8000) >> 15))) << 24;
+ b = ((p & 0x7c00) | ((p & 0x7000) >> 5)) >> 7;
+ g = ((p & 0x03e0) | ((p & 0x0380) >> 5)) << 6;
+ r = ((p & 0x001c) | ((p & 0x001f) << 5)) << 14;
+ *buffer++ = (a | r | g | b);
+ }
+}
+
+static FASTCALL void
+fbFetch_x1b5g5r5 (const FbBits *bits, int x, int width, CARD32 *buffer, miIndexedPtr indexed)
+{
+ const CARD16 *pixel = (const CARD16 *)bits + x;
+ const CARD16 *end = pixel + width;
+ while (pixel < end) {
+ CARD32 p = *pixel++;
+ CARD32 r,g,b;
+
+ b = ((p & 0x7c00) | ((p & 0x7000) >> 5)) >> 7;
+ g = ((p & 0x03e0) | ((p & 0x0380) >> 5)) << 6;
+ r = ((p & 0x001c) | ((p & 0x001f) << 5)) << 14;
+ *buffer++ = (0xff000000 | r | g | b);
+ }
+}
+
+static FASTCALL void
+fbFetch_a4r4g4b4 (const FbBits *bits, int x, int width, CARD32 *buffer, miIndexedPtr indexed)
+{
+ const CARD16 *pixel = (const CARD16 *)bits + x;
+ const CARD16 *end = pixel + width;
+ while (pixel < end) {
+ CARD32 p = *pixel++;
+ CARD32 r,g,b, a;
+
+ a = ((p & 0xf000) | ((p & 0xf000) >> 4)) << 16;
+ r = ((p & 0x0f00) | ((p & 0x0f00) >> 4)) << 12;
+ g = ((p & 0x00f0) | ((p & 0x00f0) >> 4)) << 8;
+ b = ((p & 0x000f) | ((p & 0x000f) << 4));
+ *buffer++ = (a | r | g | b);
+ }
+}
+
+static FASTCALL void
+fbFetch_x4r4g4b4 (const FbBits *bits, int x, int width, CARD32 *buffer, miIndexedPtr indexed)
+{
+ const CARD16 *pixel = (const CARD16 *)bits + x;
+ const CARD16 *end = pixel + width;
+ while (pixel < end) {
+ CARD32 p = *pixel++;
+ CARD32 r,g,b;
+
+ r = ((p & 0x0f00) | ((p & 0x0f00) >> 4)) << 12;
+ g = ((p & 0x00f0) | ((p & 0x00f0) >> 4)) << 8;
+ b = ((p & 0x000f) | ((p & 0x000f) << 4));
+ *buffer++ = (0xff000000 | r | g | b);
+ }
+}
+
+static FASTCALL void
+fbFetch_a4b4g4r4 (const FbBits *bits, int x, int width, CARD32 *buffer, miIndexedPtr indexed)
+{
+ const CARD16 *pixel = (const CARD16 *)bits + x;
+ const CARD16 *end = pixel + width;
+ while (pixel < end) {
+ CARD32 p = *pixel++;
+ CARD32 r,g,b, a;
+
+ a = ((p & 0xf000) | ((p & 0xf000) >> 4)) << 16;
+ b = ((p & 0x0f00) | ((p & 0x0f00) >> 4)) << 12;
+ g = ((p & 0x00f0) | ((p & 0x00f0) >> 4)) << 8;
+ r = ((p & 0x000f) | ((p & 0x000f) << 4));
+ *buffer++ = (a | r | g | b);
+ }
+}
+
+static FASTCALL void
+fbFetch_x4b4g4r4 (const FbBits *bits, int x, int width, CARD32 *buffer, miIndexedPtr indexed)
+{
+ const CARD16 *pixel = (const CARD16 *)bits + x;
+ const CARD16 *end = pixel + width;
+ while (pixel < end) {
+ CARD32 p = *pixel++;
+ CARD32 r,g,b;
+
+ b = ((p & 0x0f00) | ((p & 0x0f00) >> 4)) << 12;
+ g = ((p & 0x00f0) | ((p & 0x00f0) >> 4)) << 8;
+ r = ((p & 0x000f) | ((p & 0x000f) << 4));
+ *buffer++ = (0xff000000 | r | g | b);
+ }
+}
+
+static FASTCALL void
+fbFetch_a8 (const FbBits *bits, int x, int width, CARD32 *buffer, miIndexedPtr indexed)
+{
+ const CARD8 *pixel = (const CARD8 *)bits + x;
+ const CARD8 *end = pixel + width;
+ while (pixel < end) {
+ *buffer++ = (*pixel++) << 24;
+ }
+}
+
+static FASTCALL void
+fbFetch_r3g3b2 (const FbBits *bits, int x, int width, CARD32 *buffer, miIndexedPtr indexed)
+{
+ const CARD8 *pixel = (const CARD8 *)bits + x;
+ const CARD8 *end = pixel + width;
+ while (pixel < end) {
+ CARD32 p = *pixel++;
+ CARD32 r,g,b;
+
+ r = ((p & 0xe0) | ((p & 0xe0) >> 3) | ((p & 0xc0) >> 6)) << 16;
+ g = ((p & 0x1c) | ((p & 0x18) >> 3) | ((p & 0x1c) << 3)) << 8;
+ b = (((p & 0x03) ) |
+ ((p & 0x03) << 2) |
+ ((p & 0x03) << 4) |
+ ((p & 0x03) << 6));
+ *buffer++ = (0xff000000 | r | g | b);
+ }
+}
+
+static FASTCALL void
+fbFetch_b2g3r3 (const FbBits *bits, int x, int width, CARD32 *buffer, miIndexedPtr indexed)
+{
+ const CARD8 *pixel = (const CARD8 *)bits + x;
+ const CARD8 *end = pixel + width;
+ while (pixel < end) {
+ CARD32 p = *pixel++;
+ CARD32 r,g,b;
+
+ b = (((p & 0xc0) ) |
+ ((p & 0xc0) >> 2) |
+ ((p & 0xc0) >> 4) |
+ ((p & 0xc0) >> 6));
+ g = ((p & 0x38) | ((p & 0x38) >> 3) | ((p & 0x30) << 2)) << 8;
+ r = (((p & 0x07) ) |
+ ((p & 0x07) << 3) |
+ ((p & 0x06) << 6)) << 16;
+ *buffer++ = (0xff000000 | r | g | b);
+ }
+}
+
+static FASTCALL void
+fbFetch_a2r2g2b2 (const FbBits *bits, int x, int width, CARD32 *buffer, miIndexedPtr indexed)
+{
+ const CARD8 *pixel = (const CARD8 *)bits + x;
+ const CARD8 *end = pixel + width;
+ while (pixel < end) {
+ CARD32 p = *pixel++;
+ CARD32 a,r,g,b;
+
+ a = ((p & 0xc0) * 0x55) << 18;
+ r = ((p & 0x30) * 0x55) << 12;
+ g = ((p & 0x0c) * 0x55) << 6;
+ b = ((p & 0x03) * 0x55);
+ *buffer++ = a|r|g|b;
+ }
+}
+
+static FASTCALL void
+fbFetch_a2b2g2r2 (const FbBits *bits, int x, int width, CARD32 *buffer, miIndexedPtr indexed)
+{
+ const CARD8 *pixel = (const CARD8 *)bits + x;
+ const CARD8 *end = pixel + width;
+ while (pixel < end) {
+ CARD32 p = *pixel++;
+ CARD32 a,r,g,b;
+
+ a = ((p & 0xc0) * 0x55) << 18;
+ b = ((p & 0x30) * 0x55) >> 6;
+ g = ((p & 0x0c) * 0x55) << 6;
+ r = ((p & 0x03) * 0x55) << 16;
+ *buffer++ = a|r|g|b;
+ }
+}
+
+static FASTCALL void
+fbFetch_c8 (const FbBits *bits, int x, int width, CARD32 *buffer, miIndexedPtr indexed)
+{
+ const CARD8 *pixel = (const CARD8 *)bits + x;
+ const CARD8 *end = pixel + width;
+ while (pixel < end) {
+ CARD32 p = *pixel++;
+ *buffer++ = indexed->rgba[p];
+ }
+}
+
+#define Fetch8(l,o) (((CARD8 *) (l))[(o) >> 2])
+#if IMAGE_BYTE_ORDER == MSBFirst
+#define Fetch4(l,o) ((o) & 2 ? Fetch8(l,o) & 0xf : Fetch8(l,o) >> 4)
+#else
+#define Fetch4(l,o) ((o) & 2 ? Fetch8(l,o) >> 4 : Fetch8(l,o) & 0xf)
+#endif
+
+static FASTCALL void
+fbFetch_a4 (const FbBits *bits, int x, int width, CARD32 *buffer, miIndexedPtr indexed)
+{
+ int i;
+ for (i = 0; i < width; ++i) {
+ CARD32 p = Fetch4(bits, i + x);
+
+ p |= p << 4;
+ *buffer++ = p << 24;
+ }
+}
+
+static FASTCALL void
+fbFetch_r1g2b1 (const FbBits *bits, int x, int width, CARD32 *buffer, miIndexedPtr indexed)
+{
+ int i;
+ for (i = 0; i < width; ++i) {
+ CARD32 p = Fetch4(bits, i + x);
+ CARD32 r,g,b;
+
+ r = ((p & 0x8) * 0xff) << 13;
+ g = ((p & 0x6) * 0x55) << 7;
+ b = ((p & 0x1) * 0xff);
+ *buffer++ = 0xff000000|r|g|b;
+ }
+}
+
+static FASTCALL void
+fbFetch_b1g2r1 (const FbBits *bits, int x, int width, CARD32 *buffer, miIndexedPtr indexed)
+{
+ int i;
+ for (i = 0; i < width; ++i) {
+ CARD32 p = Fetch4(bits, i + x);
+ CARD32 r,g,b;
+
+ b = ((p & 0x8) * 0xff) >> 3;
+ g = ((p & 0x6) * 0x55) << 7;
+ r = ((p & 0x1) * 0xff) << 16;
+ *buffer++ = 0xff000000|r|g|b;
+ }
+}
+
+static FASTCALL void
+fbFetch_a1r1g1b1 (const FbBits *bits, int x, int width, CARD32 *buffer, miIndexedPtr indexed)
+{
+ int i;
+ for (i = 0; i < width; ++i) {
+ CARD32 p = Fetch4(bits, i + x);
+ CARD32 a,r,g,b;
+
+ a = ((p & 0x8) * 0xff) << 21;
+ r = ((p & 0x4) * 0xff) << 14;
+ g = ((p & 0x2) * 0xff) << 7;
+ b = ((p & 0x1) * 0xff);
+ *buffer++ = a|r|g|b;
+ }
+}
+
+static FASTCALL void
+fbFetch_a1b1g1r1 (const FbBits *bits, int x, int width, CARD32 *buffer, miIndexedPtr indexed)
+{
+ int i;
+ for (i = 0; i < width; ++i) {
+ CARD32 p = Fetch4(bits, i + x);
+ CARD32 a,r,g,b;
+
+ a = ((p & 0x8) * 0xff) << 21;
+ r = ((p & 0x4) * 0xff) >> 3;
+ g = ((p & 0x2) * 0xff) << 7;
+ b = ((p & 0x1) * 0xff) << 16;
+ *buffer++ = a|r|g|b;
+ }
+}
+
+static FASTCALL void
+fbFetch_c4 (const FbBits *bits, int x, int width, CARD32 *buffer, miIndexedPtr indexed)
+{
+ int i;
+ for (i = 0; i < width; ++i) {
+ CARD32 p = Fetch4(bits, i + x);
+
+ *buffer++ = indexed->rgba[p];
+ }
+}
+
+
+static FASTCALL void
+fbFetch_a1 (const FbBits *bits, int x, int width, CARD32 *buffer, miIndexedPtr indexed)
+{
+ int i;
+ for (i = 0; i < width; ++i) {
+ CARD32 p = ((CARD32 *)bits)[(i + x) >> 5];
+ CARD32 a;
+#if BITMAP_BIT_ORDER == MSBFirst
+ a = p >> (0x1f - ((i+x) & 0x1f));
+#else
+ a = p >> ((i+x) & 0x1f);
+#endif
+ a = a & 1;
+ a |= a << 1;
+ a |= a << 2;
+ a |= a << 4;
+ *buffer++ = a << 24;
+ }
+}
+
+static FASTCALL void
+fbFetch_g1 (const FbBits *bits, int x, int width, CARD32 *buffer, miIndexedPtr indexed)
+{
+ int i;
+ for (i = 0; i < width; ++i) {
+ CARD32 p = ((CARD32 *)bits)[(i+x) >> 5];
+ CARD32 a;
+#if BITMAP_BIT_ORDER == MSBFirst
+ a = p >> (0x1f - ((i+x) & 0x1f));
+#else
+ a = p >> ((i+x) & 0x1f);
+#endif
+ a = a & 1;
+ *buffer++ = indexed->rgba[a];
+ }
+}
+
+static fetchProc fetchProcForPicture (PicturePtr pict)
+{
+ switch(pict->format) {
+ case PICT_a8r8g8b8: return fbFetch_a8r8g8b8;
+ case PICT_x8r8g8b8: return fbFetch_x8r8g8b8;
+ case PICT_a8b8g8r8: return fbFetch_a8b8g8r8;
+ case PICT_x8b8g8r8: return fbFetch_x8b8g8r8;
+
+ /* 24bpp formats */
+ case PICT_r8g8b8: return fbFetch_r8g8b8;
+ case PICT_b8g8r8: return fbFetch_b8g8r8;
+
+ /* 16bpp formats */
+ case PICT_r5g6b5: return fbFetch_r5g6b5;
+ case PICT_b5g6r5: return fbFetch_b5g6r5;
+
+ case PICT_a1r5g5b5: return fbFetch_a1r5g5b5;
+ case PICT_x1r5g5b5: return fbFetch_x1r5g5b5;
+ case PICT_a1b5g5r5: return fbFetch_a1b5g5r5;
+ case PICT_x1b5g5r5: return fbFetch_x1b5g5r5;
+ case PICT_a4r4g4b4: return fbFetch_a4r4g4b4;
+ case PICT_x4r4g4b4: return fbFetch_x4r4g4b4;
+ case PICT_a4b4g4r4: return fbFetch_a4b4g4r4;
+ case PICT_x4b4g4r4: return fbFetch_x4b4g4r4;
+
+ /* 8bpp formats */
+ case PICT_a8: return fbFetch_a8;
+ case PICT_r3g3b2: return fbFetch_r3g3b2;
+ case PICT_b2g3r3: return fbFetch_b2g3r3;
+ case PICT_a2r2g2b2: return fbFetch_a2r2g2b2;
+ case PICT_a2b2g2r2: return fbFetch_a2b2g2r2;
+ case PICT_c8: return fbFetch_c8;
+ case PICT_g8: return fbFetch_c8;
+
+ /* 4bpp formats */
+ case PICT_a4: return fbFetch_a4;
+ case PICT_r1g2b1: return fbFetch_r1g2b1;
+ case PICT_b1g2r1: return fbFetch_b1g2r1;
+ case PICT_a1r1g1b1: return fbFetch_a1r1g1b1;
+ case PICT_a1b1g1r1: return fbFetch_a1b1g1r1;
+ case PICT_c4: return fbFetch_c4;
+ case PICT_g4: return fbFetch_c4;
+
+ /* 1bpp formats */
+ case PICT_a1: return fbFetch_a1;
+ case PICT_g1: return fbFetch_g1;
+ default:
+ return NULL;
+ }
+}
+
+/*
+ * Pixel wise fetching
+ */
+
+typedef FASTCALL CARD32 (*fetchPixelProc)(const FbBits *bits, int offset, miIndexedPtr indexed);
+
+static FASTCALL CARD32
+fbFetchPixel_a8r8g8b8 (const FbBits *bits, int offset, miIndexedPtr indexed)
+{
+ return ((CARD32 *)bits)[offset];
+}
+
+static FASTCALL CARD32
+fbFetchPixel_x8r8g8b8 (const FbBits *bits, int offset, miIndexedPtr indexed)
+{
+ return ((CARD32 *)bits)[offset] | 0xff000000;
+}
+
+static FASTCALL CARD32
+fbFetchPixel_a8b8g8r8 (const FbBits *bits, int offset, miIndexedPtr indexed)
+{
+ CARD32 pixel = ((CARD32 *)bits)[offset];
+
+ return ((pixel & 0xff000000) |
+ ((pixel >> 16) & 0xff) |
+ (pixel & 0x0000ff00) |
+ ((pixel & 0xff) << 16));
+}
+
+static FASTCALL CARD32
+fbFetchPixel_x8b8g8r8 (const FbBits *bits, int offset, miIndexedPtr indexed)
+{
+ CARD32 pixel = ((CARD32 *)bits)[offset];
+
+ return ((0xff000000) |
+ ((pixel >> 16) & 0xff) |
+ (pixel & 0x0000ff00) |
+ ((pixel & 0xff) << 16));
+}
+
+static FASTCALL CARD32
+fbFetchPixel_r8g8b8 (const FbBits *bits, int offset, miIndexedPtr indexed)
+{
+ CARD8 *pixel = ((CARD8 *) bits) + (offset*3);
+#if IMAGE_BYTE_ORDER == MSBFirst
+ return (0xff000000 |
+ (pixel[0] << 16) |
+ (pixel[1] << 8) |
+ (pixel[2]));
+#else
+ return (0xff000000 |
+ (pixel[2] << 16) |
+ (pixel[1] << 8) |
+ (pixel[0]));
+#endif
+}
+
+static FASTCALL CARD32
+fbFetchPixel_b8g8r8 (const FbBits *bits, int offset, miIndexedPtr indexed)
+{
+ CARD8 *pixel = ((CARD8 *) bits) + (offset*3);
+#if IMAGE_BYTE_ORDER == MSBFirst
+ return (0xff000000 |
+ (pixel[2] << 16) |
+ (pixel[1] << 8) |
+ (pixel[0]));
+#else
+ return (0xff000000 |
+ (pixel[0] << 16) |
+ (pixel[1] << 8) |
+ (pixel[2]));
+#endif
+}
+
+static FASTCALL CARD32
+fbFetchPixel_r5g6b5 (const FbBits *bits, int offset, miIndexedPtr indexed)
+{
+ CARD32 pixel = ((CARD16 *) bits)[offset];
+ CARD32 r,g,b;
+
+ r = ((pixel & 0xf800) | ((pixel & 0xe000) >> 5)) << 8;
+ g = ((pixel & 0x07e0) | ((pixel & 0x0600) >> 6)) << 5;
+ b = ((pixel & 0x001c) | ((pixel & 0x001f) << 5)) >> 2;
+ return (0xff000000 | r | g | b);
+}
+
+static FASTCALL CARD32
+fbFetchPixel_b5g6r5 (const FbBits *bits, int offset, miIndexedPtr indexed)
+{
+ CARD32 pixel = ((CARD16 *) bits)[offset];
+ CARD32 r,g,b;
+
+ b = ((pixel & 0xf800) | ((pixel & 0xe000) >> 5)) >> 8;
+ g = ((pixel & 0x07e0) | ((pixel & 0x0600) >> 6)) << 5;
+ r = ((pixel & 0x001c) | ((pixel & 0x001f) << 5)) << 14;
+ return (0xff000000 | r | g | b);
+}
+
+static FASTCALL CARD32
+fbFetchPixel_a1r5g5b5 (const FbBits *bits, int offset, miIndexedPtr indexed)
+{
+ CARD32 pixel = ((CARD16 *) bits)[offset];
+ CARD32 a,r,g,b;
+
+ a = (CARD32) ((CARD8) (0 - ((pixel & 0x8000) >> 15))) << 24;
+ r = ((pixel & 0x7c00) | ((pixel & 0x7000) >> 5)) << 9;
+ g = ((pixel & 0x03e0) | ((pixel & 0x0380) >> 5)) << 6;
+ b = ((pixel & 0x001c) | ((pixel & 0x001f) << 5)) >> 2;
+ return (a | r | g | b);
+}
+
+static FASTCALL CARD32
+fbFetchPixel_x1r5g5b5 (const FbBits *bits, int offset, miIndexedPtr indexed)
+{
+ CARD32 pixel = ((CARD16 *) bits)[offset];
+ CARD32 r,g,b;
+
+ r = ((pixel & 0x7c00) | ((pixel & 0x7000) >> 5)) << 9;
+ g = ((pixel & 0x03e0) | ((pixel & 0x0380) >> 5)) << 6;
+ b = ((pixel & 0x001c) | ((pixel & 0x001f) << 5)) >> 2;
+ return (0xff000000 | r | g | b);
+}
+
+static FASTCALL CARD32
+fbFetchPixel_a1b5g5r5 (const FbBits *bits, int offset, miIndexedPtr indexed)
+{
+ CARD32 pixel = ((CARD16 *) bits)[offset];
+ CARD32 a,r,g,b;
+
+ a = (CARD32) ((CARD8) (0 - ((pixel & 0x8000) >> 15))) << 24;
+ b = ((pixel & 0x7c00) | ((pixel & 0x7000) >> 5)) >> 7;
+ g = ((pixel & 0x03e0) | ((pixel & 0x0380) >> 5)) << 6;
+ r = ((pixel & 0x001c) | ((pixel & 0x001f) << 5)) << 14;
+ return (a | r | g | b);
+}
+
+static FASTCALL CARD32
+fbFetchPixel_x1b5g5r5 (const FbBits *bits, int offset, miIndexedPtr indexed)
+{
+ CARD32 pixel = ((CARD16 *) bits)[offset];
+ CARD32 r,g,b;
+
+ b = ((pixel & 0x7c00) | ((pixel & 0x7000) >> 5)) >> 7;
+ g = ((pixel & 0x03e0) | ((pixel & 0x0380) >> 5)) << 6;
+ r = ((pixel & 0x001c) | ((pixel & 0x001f) << 5)) << 14;
+ return (0xff000000 | r | g | b);
+}
+
+static FASTCALL CARD32
+fbFetchPixel_a4r4g4b4 (const FbBits *bits, int offset, miIndexedPtr indexed)
+{
+ CARD32 pixel = ((CARD16 *) bits)[offset];
+ CARD32 a,r,g,b;
+
+ a = ((pixel & 0xf000) | ((pixel & 0xf000) >> 4)) << 16;
+ r = ((pixel & 0x0f00) | ((pixel & 0x0f00) >> 4)) << 12;
+ g = ((pixel & 0x00f0) | ((pixel & 0x00f0) >> 4)) << 8;
+ b = ((pixel & 0x000f) | ((pixel & 0x000f) << 4));
+ return (a | r | g | b);
+}
+
+static FASTCALL CARD32
+fbFetchPixel_x4r4g4b4 (const FbBits *bits, int offset, miIndexedPtr indexed)
+{
+ CARD32 pixel = ((CARD16 *) bits)[offset];
+ CARD32 r,g,b;
+
+ r = ((pixel & 0x0f00) | ((pixel & 0x0f00) >> 4)) << 12;
+ g = ((pixel & 0x00f0) | ((pixel & 0x00f0) >> 4)) << 8;
+ b = ((pixel & 0x000f) | ((pixel & 0x000f) << 4));
+ return (0xff000000 | r | g | b);
+}
+
+static FASTCALL CARD32
+fbFetchPixel_a4b4g4r4 (const FbBits *bits, int offset, miIndexedPtr indexed)
+{
+ CARD32 pixel = ((CARD16 *) bits)[offset];
+ CARD32 a,r,g,b;
+
+ a = ((pixel & 0xf000) | ((pixel & 0xf000) >> 4)) << 16;
+ b = ((pixel & 0x0f00) | ((pixel & 0x0f00) >> 4)) << 12;
+ g = ((pixel & 0x00f0) | ((pixel & 0x00f0) >> 4)) << 8;
+ r = ((pixel & 0x000f) | ((pixel & 0x000f) << 4));
+ return (a | r | g | b);
+}
+
+static FASTCALL CARD32
+fbFetchPixel_x4b4g4r4 (const FbBits *bits, int offset, miIndexedPtr indexed)
+{
+ CARD32 pixel = ((CARD16 *) bits)[offset];
+ CARD32 r,g,b;
+
+ b = ((pixel & 0x0f00) | ((pixel & 0x0f00) >> 4)) << 12;
+ g = ((pixel & 0x00f0) | ((pixel & 0x00f0) >> 4)) << 8;
+ r = ((pixel & 0x000f) | ((pixel & 0x000f) << 4));
+ return (0xff000000 | r | g | b);
+}
+
+static FASTCALL CARD32
+fbFetchPixel_a8 (const FbBits *bits, int offset, miIndexedPtr indexed)
+{
+ CARD32 pixel = ((CARD8 *) bits)[offset];
+
+ return pixel << 24;
+}
+
+static FASTCALL CARD32
+fbFetchPixel_r3g3b2 (const FbBits *bits, int offset, miIndexedPtr indexed)
+{
+ CARD32 pixel = ((CARD8 *) bits)[offset];
+ CARD32 r,g,b;
+
+ r = ((pixel & 0xe0) | ((pixel & 0xe0) >> 3) | ((pixel & 0xc0) >> 6)) << 16;
+ g = ((pixel & 0x1c) | ((pixel & 0x18) >> 3) | ((pixel & 0x1c) << 3)) << 8;
+ b = (((pixel & 0x03) ) |
+ ((pixel & 0x03) << 2) |
+ ((pixel & 0x03) << 4) |
+ ((pixel & 0x03) << 6));
+ return (0xff000000 | r | g | b);
+}
+
+static FASTCALL CARD32
+fbFetchPixel_b2g3r3 (const FbBits *bits, int offset, miIndexedPtr indexed)
+{
+ CARD32 pixel = ((CARD8 *) bits)[offset];
+ CARD32 r,g,b;
+
+ b = (((pixel & 0xc0) ) |
+ ((pixel & 0xc0) >> 2) |
+ ((pixel & 0xc0) >> 4) |
+ ((pixel & 0xc0) >> 6));
+ g = ((pixel & 0x38) | ((pixel & 0x38) >> 3) | ((pixel & 0x30) << 2)) << 8;
+ r = (((pixel & 0x07) ) |
+ ((pixel & 0x07) << 3) |
+ ((pixel & 0x06) << 6)) << 16;
+ return (0xff000000 | r | g | b);
+}
+
+static FASTCALL CARD32
+fbFetchPixel_a2r2g2b2 (const FbBits *bits, int offset, miIndexedPtr indexed)
+{
+ CARD32 pixel = ((CARD8 *) bits)[offset];
+ CARD32 a,r,g,b;
+
+ a = ((pixel & 0xc0) * 0x55) << 18;
+ r = ((pixel & 0x30) * 0x55) << 12;
+ g = ((pixel & 0x0c) * 0x55) << 6;
+ b = ((pixel & 0x03) * 0x55);
+ return a|r|g|b;
+}
+
+static FASTCALL CARD32
+fbFetchPixel_a2b2g2r2 (const FbBits *bits, int offset, miIndexedPtr indexed)
+{
+ CARD32 pixel = ((CARD8 *) bits)[offset];
+ CARD32 a,r,g,b;
+
+ a = ((pixel & 0xc0) * 0x55) << 18;
+ b = ((pixel & 0x30) * 0x55) >> 6;
+ g = ((pixel & 0x0c) * 0x55) << 6;
+ r = ((pixel & 0x03) * 0x55) << 16;
+ return a|r|g|b;
+}
+
+static FASTCALL CARD32
+fbFetchPixel_c8 (const FbBits *bits, int offset, miIndexedPtr indexed)
+{
+ CARD32 pixel = ((CARD8 *) bits)[offset];
+ return indexed->rgba[pixel];
+}
+
+#define Fetch8(l,o) (((CARD8 *) (l))[(o) >> 2])
+#if IMAGE_BYTE_ORDER == MSBFirst
+#define Fetch4(l,o) ((o) & 2 ? Fetch8(l,o) & 0xf : Fetch8(l,o) >> 4)
+#else
+#define Fetch4(l,o) ((o) & 2 ? Fetch8(l,o) >> 4 : Fetch8(l,o) & 0xf)
+#endif
+
+static FASTCALL CARD32
+fbFetchPixel_a4 (const FbBits *bits, int offset, miIndexedPtr indexed)
+{
+ CARD32 pixel = Fetch4(bits, offset);
+
+ pixel |= pixel << 4;
+ return pixel << 24;
+}
+
+static FASTCALL CARD32
+fbFetchPixel_r1g2b1 (const FbBits *bits, int offset, miIndexedPtr indexed)
+{
+ CARD32 pixel = Fetch4(bits, offset);
+ CARD32 r,g,b;
+
+ r = ((pixel & 0x8) * 0xff) << 13;
+ g = ((pixel & 0x6) * 0x55) << 7;
+ b = ((pixel & 0x1) * 0xff);
+ return 0xff000000|r|g|b;
+}
+
+static FASTCALL CARD32
+fbFetchPixel_b1g2r1 (const FbBits *bits, int offset, miIndexedPtr indexed)
+{
+ CARD32 pixel = Fetch4(bits, offset);
+ CARD32 r,g,b;
+
+ b = ((pixel & 0x8) * 0xff) >> 3;
+ g = ((pixel & 0x6) * 0x55) << 7;
+ r = ((pixel & 0x1) * 0xff) << 16;
+ return 0xff000000|r|g|b;
+}
+
+static FASTCALL CARD32
+fbFetchPixel_a1r1g1b1 (const FbBits *bits, int offset, miIndexedPtr indexed)
+{
+ CARD32 pixel = Fetch4(bits, offset);
+ CARD32 a,r,g,b;
+
+ a = ((pixel & 0x8) * 0xff) << 21;
+ r = ((pixel & 0x4) * 0xff) << 14;
+ g = ((pixel & 0x2) * 0xff) << 7;
+ b = ((pixel & 0x1) * 0xff);
+ return a|r|g|b;
+}
+
+static FASTCALL CARD32
+fbFetchPixel_a1b1g1r1 (const FbBits *bits, int offset, miIndexedPtr indexed)
+{
+ CARD32 pixel = Fetch4(bits, offset);
+ CARD32 a,r,g,b;
+
+ a = ((pixel & 0x8) * 0xff) << 21;
+ r = ((pixel & 0x4) * 0xff) >> 3;
+ g = ((pixel & 0x2) * 0xff) << 7;
+ b = ((pixel & 0x1) * 0xff) << 16;
+ return a|r|g|b;
+}
+
+static FASTCALL CARD32
+fbFetchPixel_c4 (const FbBits *bits, int offset, miIndexedPtr indexed)
+{
+ CARD32 pixel = Fetch4(bits, offset);
+
+ return indexed->rgba[pixel];
+}
+
+
+static FASTCALL CARD32
+fbFetchPixel_a1 (const FbBits *bits, int offset, miIndexedPtr indexed)
+{
+ CARD32 pixel = ((CARD32 *)bits)[offset >> 5];
+ CARD32 a;
+#if BITMAP_BIT_ORDER == MSBFirst
+ a = pixel >> (0x1f - (offset & 0x1f));
+#else
+ a = pixel >> (offset & 0x1f);
+#endif
+ a = a & 1;
+ a |= a << 1;
+ a |= a << 2;
+ a |= a << 4;
+ return a << 24;
+}
+
+static FASTCALL CARD32
+fbFetchPixel_g1 (const FbBits *bits, int offset, miIndexedPtr indexed)
+{
+ CARD32 pixel = ((CARD32 *)bits)[offset >> 5];
+ CARD32 a;
+#if BITMAP_BIT_ORDER == MSBFirst
+ a = pixel >> (0x1f - (offset & 0x1f));
+#else
+ a = pixel >> (offset & 0x1f);
+#endif
+ a = a & 1;
+ return indexed->rgba[a];
+}
+
+static fetchPixelProc fetchPixelProcForPicture (PicturePtr pict)
+{
+ switch(pict->format) {
+ case PICT_a8r8g8b8: return fbFetchPixel_a8r8g8b8;
+ case PICT_x8r8g8b8: return fbFetchPixel_x8r8g8b8;
+ case PICT_a8b8g8r8: return fbFetchPixel_a8b8g8r8;
+ case PICT_x8b8g8r8: return fbFetchPixel_x8b8g8r8;
+
+ /* 24bpp formats */
+ case PICT_r8g8b8: return fbFetchPixel_r8g8b8;
+ case PICT_b8g8r8: return fbFetchPixel_b8g8r8;
+
+ /* 16bpp formats */
+ case PICT_r5g6b5: return fbFetchPixel_r5g6b5;
+ case PICT_b5g6r5: return fbFetchPixel_b5g6r5;
+
+ case PICT_a1r5g5b5: return fbFetchPixel_a1r5g5b5;
+ case PICT_x1r5g5b5: return fbFetchPixel_x1r5g5b5;
+ case PICT_a1b5g5r5: return fbFetchPixel_a1b5g5r5;
+ case PICT_x1b5g5r5: return fbFetchPixel_x1b5g5r5;
+ case PICT_a4r4g4b4: return fbFetchPixel_a4r4g4b4;
+ case PICT_x4r4g4b4: return fbFetchPixel_x4r4g4b4;
+ case PICT_a4b4g4r4: return fbFetchPixel_a4b4g4r4;
+ case PICT_x4b4g4r4: return fbFetchPixel_x4b4g4r4;
+
+ /* 8bpp formats */
+ case PICT_a8: return fbFetchPixel_a8;
+ case PICT_r3g3b2: return fbFetchPixel_r3g3b2;
+ case PICT_b2g3r3: return fbFetchPixel_b2g3r3;
+ case PICT_a2r2g2b2: return fbFetchPixel_a2r2g2b2;
+ case PICT_a2b2g2r2: return fbFetchPixel_a2b2g2r2;
+ case PICT_c8: return fbFetchPixel_c8;
+ case PICT_g8: return fbFetchPixel_c8;
+
+ /* 4bpp formats */
+ case PICT_a4: return fbFetchPixel_a4;
+ case PICT_r1g2b1: return fbFetchPixel_r1g2b1;
+ case PICT_b1g2r1: return fbFetchPixel_b1g2r1;
+ case PICT_a1r1g1b1: return fbFetchPixel_a1r1g1b1;
+ case PICT_a1b1g1r1: return fbFetchPixel_a1b1g1r1;
+ case PICT_c4: return fbFetchPixel_c4;
+ case PICT_g4: return fbFetchPixel_c4;
+
+ /* 1bpp formats */
+ case PICT_a1: return fbFetchPixel_a1;
+ case PICT_g1: return fbFetchPixel_g1;
+ default:
+ return NULL;
+ }
+}
+
+
+
+/*
+ * All the store functions
+ */
+
+typedef FASTCALL void (*storeProc) (FbBits *bits, const CARD32 *values, int x, int width, miIndexedPtr indexed);
+
+#define Splita(v) CARD32 a = ((v) >> 24), r = ((v) >> 16) & 0xff, g = ((v) >> 8) & 0xff, b = (v) & 0xff
+#define Split(v) CARD32 r = ((v) >> 16) & 0xff, g = ((v) >> 8) & 0xff, b = (v) & 0xff
+
+static FASTCALL void
+fbStore_a8r8g8b8 (FbBits *bits, const CARD32 *values, int x, int width, miIndexedPtr indexed)
+{
+ memcpy(((CARD32 *)bits) + x, values, width*sizeof(CARD32));
+}
+
+static FASTCALL void
+fbStore_x8r8g8b8 (FbBits *bits, const CARD32 *values, int x, int width, miIndexedPtr indexed)
+{
+ int i;
+ CARD32 *pixel = (CARD32 *)bits + x;
+ for (i = 0; i < width; ++i)
+ *pixel++ = values[i] & 0xffffff;
+}
+
+static FASTCALL void
+fbStore_a8b8g8r8 (FbBits *bits, const CARD32 *values, int x, int width, miIndexedPtr indexed)
+{
+ int i;
+ CARD32 *pixel = (CARD32 *)bits + x;
+ for (i = 0; i < width; ++i)
+ *pixel++ = (values[i] & 0xff00ff00) | ((values[i] >> 16) & 0xff) | ((values[i] & 0xff) << 16);
+}
+
+static FASTCALL void
+fbStore_x8b8g8r8 (FbBits *bits, const CARD32 *values, int x, int width, miIndexedPtr indexed)
+{
+ int i;
+ CARD32 *pixel = (CARD32 *)bits + x;
+ for (i = 0; i < width; ++i)
+ *pixel++ = (values[i] & 0x0000ff00) | ((values[i] >> 16) & 0xff) | ((values[i] & 0xff) << 16);
+}
+
+static FASTCALL void
+fbStore_r8g8b8 (FbBits *bits, const CARD32 *values, int x, int width, miIndexedPtr indexed)
+{
+ int i;
+ CARD8 *pixel = ((CARD8 *) bits) + 3*x;
+ for (i = 0; i < width; ++i) {
+ Store24(pixel, values[i]);
+ pixel += 3;
+ }
+}
+
+static FASTCALL void
+fbStore_b8g8r8 (FbBits *bits, const CARD32 *values, int x, int width, miIndexedPtr indexed)
+{
+ int i;
+ CARD8 *pixel = ((CARD8 *) bits) + 3*x;
+ for (i = 0; i < width; ++i) {
+#if IMAGE_BYTE_ORDER == MSBFirst
+ *pixel++ = Blue(values[i]);
+ *pixel++ = Green(values[i]);
+ *pixel++ = Red(values[i]);
+#else
+ *pixel++ = Red(values[i]);
+ *pixel++ = Green(values[i]);
+ *pixel++ = Blue(values[i]);
+#endif
+ }
+}
+
+static FASTCALL void
+fbStore_r5g6b5 (FbBits *bits, const CARD32 *values, int x, int width, miIndexedPtr indexed)
+{
+ int i;
+ CARD16 *pixel = ((CARD16 *) bits) + x;
+ for (i = 0; i < width; ++i) {
+ CARD32 s = values[i];
+ *pixel++ = ((s >> 3) & 0x001f) |
+ ((s >> 5) & 0x07e0) |
+ ((s >> 8) & 0xf800);
+ }
+}
+
+static FASTCALL void
+fbStore_b5g6r5 (FbBits *bits, const CARD32 *values, int x, int width, miIndexedPtr indexed)
+{
+ int i;
+ CARD16 *pixel = ((CARD16 *) bits) + x;
+ for (i = 0; i < width; ++i) {
+ Split(values[i]);
+ *pixel++ = (((b << 8) & 0xf800) |
+ ((g << 3) & 0x07e0) |
+ ((r >> 3) ));
+ }
+}
+
+static FASTCALL void
+fbStore_a1r5g5b5 (FbBits *bits, const CARD32 *values, int x, int width, miIndexedPtr indexed)
+{
+ int i;
+ CARD16 *pixel = ((CARD16 *) bits) + x;
+ for (i = 0; i < width; ++i) {
+ Splita(values[i]);
+ *pixel++ = (((a << 8) & 0x8000) |
+ ((r << 7) & 0x7c00) |
+ ((g << 2) & 0x03e0) |
+ ((b >> 3) ));
+ }
+}
+
+static FASTCALL void
+fbStore_x1r5g5b5 (FbBits *bits, const CARD32 *values, int x, int width, miIndexedPtr indexed)
+{
+ int i;
+ CARD16 *pixel = ((CARD16 *) bits) + x;
+ for (i = 0; i < width; ++i) {
+ Split(values[i]);
+ *pixel++ = (((r << 7) & 0x7c00) |
+ ((g << 2) & 0x03e0) |
+ ((b >> 3) ));
+ }
+}
+
+static FASTCALL void
+fbStore_a1b5g5r5 (FbBits *bits, const CARD32 *values, int x, int width, miIndexedPtr indexed)
+{
+ int i;
+ CARD16 *pixel = ((CARD16 *) bits) + x;
+ for (i = 0; i < width; ++i) {
+ Splita(values[i]);
+ *pixel++ = (((a << 8) & 0x8000) |
+ ((b << 7) & 0x7c00) |
+ ((g << 2) & 0x03e0) |
+ ((r >> 3) ));
+ }
+}
+
+static FASTCALL void
+fbStore_x1b5g5r5 (FbBits *bits, const CARD32 *values, int x, int width, miIndexedPtr indexed)
+{
+ int i;
+ CARD16 *pixel = ((CARD16 *) bits) + x;
+ for (i = 0; i < width; ++i) {
+ Split(values[i]);
+ *pixel++ = (((b << 7) & 0x7c00) |
+ ((g << 2) & 0x03e0) |
+ ((r >> 3) ));
+ }
+}
+
+static FASTCALL void
+fbStore_a4r4g4b4 (FbBits *bits, const CARD32 *values, int x, int width, miIndexedPtr indexed)
+{
+ int i;
+ CARD16 *pixel = ((CARD16 *) bits) + x;
+ for (i = 0; i < width; ++i) {
+ Splita(values[i]);
+ *pixel++ = (((a << 8) & 0xf000) |
+ ((r << 4) & 0x0f00) |
+ ((g ) & 0x00f0) |
+ ((b >> 4) ));
+ }
+}
+
+static FASTCALL void
+fbStore_x4r4g4b4 (FbBits *bits, const CARD32 *values, int x, int width, miIndexedPtr indexed)
+{
+ int i;
+ CARD16 *pixel = ((CARD16 *) bits) + x;
+ for (i = 0; i < width; ++i) {
+ Split(values[i]);
+ *pixel++ = (((r << 4) & 0x0f00) |
+ ((g ) & 0x00f0) |
+ ((b >> 4) ));
+ }
+}
+
+static FASTCALL void
+fbStore_a4b4g4r4 (FbBits *bits, const CARD32 *values, int x, int width, miIndexedPtr indexed)
+{
+ int i;
+ CARD16 *pixel = ((CARD16 *) bits) + x;
+ for (i = 0; i < width; ++i) {
+ Splita(values[i]);
+ *pixel++ = (((a << 8) & 0xf000) |
+ ((b << 4) & 0x0f00) |
+ ((g ) & 0x00f0) |
+ ((r >> 4) ));
+ }
+}
+
+static FASTCALL void
+fbStore_x4b4g4r4 (FbBits *bits, const CARD32 *values, int x, int width, miIndexedPtr indexed)
+{
+ int i;
+ CARD16 *pixel = ((CARD16 *) bits) + x;
+ for (i = 0; i < width; ++i) {
+ Split(values[i]);
+ *pixel++ = (((b << 4) & 0x0f00) |
+ ((g ) & 0x00f0) |
+ ((r >> 4) ));
+ }
+}
+
+static FASTCALL void
+fbStore_a8 (FbBits *bits, const CARD32 *values, int x, int width, miIndexedPtr indexed)
+{
+ int i;
+ CARD8 *pixel = ((CARD8 *) bits) + x;
+ for (i = 0; i < width; ++i) {
+ *pixel++ = values[i] >> 24;
+ }
+}
+
+static FASTCALL void
+fbStore_r3g3b2 (FbBits *bits, const CARD32 *values, int x, int width, miIndexedPtr indexed)
+{
+ int i;
+ CARD8 *pixel = ((CARD8 *) bits) + x;
+ for (i = 0; i < width; ++i) {
+ Split(values[i]);
+ *pixel++ = (((r ) & 0xe0) |
+ ((g >> 3) & 0x1c) |
+ ((b >> 6) ));
+ }
+}
+
+static FASTCALL void
+fbStore_b2g3r3 (FbBits *bits, const CARD32 *values, int x, int width, miIndexedPtr indexed)
+{
+ int i;
+ CARD8 *pixel = ((CARD8 *) bits) + x;
+ for (i = 0; i < width; ++i) {
+ Split(values[i]);
+ *pixel++ = (((b ) & 0xe0) |
+ ((g >> 3) & 0x1c) |
+ ((r >> 6) ));
+ }
+}
+
+static FASTCALL void
+fbStore_a2r2g2b2 (FbBits *bits, const CARD32 *values, int x, int width, miIndexedPtr indexed)
+{
+ int i;
+ CARD8 *pixel = ((CARD8 *) bits) + x;
+ for (i = 0; i < width; ++i) {
+ Splita(values[i]);
+ *pixel++ = (((a ) & 0xc0) |
+ ((r >> 2) & 0x30) |
+ ((g >> 4) & 0x0c) |
+ ((b >> 6) ));
+ }
+}
+
+static FASTCALL void
+fbStore_c8 (FbBits *bits, const CARD32 *values, int x, int width, miIndexedPtr indexed)
+{
+ int i;
+ CARD8 *pixel = ((CARD8 *) bits) + x;
+ for (i = 0; i < width; ++i) {
+ *pixel++ = miIndexToEnt24(indexed,values[i]);
+ }
+}
+
+#define Store8(l,o,v) (((CARD8 *) l)[(o) >> 3] = (v))
+#if IMAGE_BYTE_ORDER == MSBFirst
+#define Store4(l,o,v) Store8(l,o,((o) & 4 ? \
+ (Fetch8(l,o) & 0xf0) | (v) : \
+ (Fetch8(l,o) & 0x0f) | ((v) << 4)))
+#else
+#define Store4(l,o,v) Store8(l,o,((o) & 4 ? \
+ (Fetch8(l,o) & 0x0f) | ((v) << 4) : \
+ (Fetch8(l,o) & 0xf0) | (v)))
+#endif
+
+static FASTCALL void
+fbStore_a4 (FbBits *bits, const CARD32 *values, int x, int width, miIndexedPtr indexed)
+{
+ int i;
+ for (i = 0; i < width; ++i) {
+ Store4(bits, i + x, values[i]>>28);
+ }
+}
+
+static FASTCALL void
+fbStore_r1g2b1 (FbBits *bits, const CARD32 *values, int x, int width, miIndexedPtr indexed)
+{
+ int i;
+ for (i = 0; i < width; ++i) {
+ CARD32 pixel;
+
+ Split(values[i]);
+ pixel = (((r >> 4) & 0x8) |
+ ((g >> 5) & 0x6) |
+ ((b >> 7) ));
+ Store4(bits, i + x, pixel);
+ }
+}
+
+static FASTCALL void
+fbStore_b1g2r1 (FbBits *bits, const CARD32 *values, int x, int width, miIndexedPtr indexed)
+{
+ int i;
+ for (i = 0; i < width; ++i) {
+ CARD32 pixel;
+
+ Split(values[i]);
+ pixel = (((b >> 4) & 0x8) |
+ ((g >> 5) & 0x6) |
+ ((r >> 7) ));
+ Store4(bits, i + x, pixel);
+ }
+}
+
+static FASTCALL void
+fbStore_a1r1g1b1 (FbBits *bits, const CARD32 *values, int x, int width, miIndexedPtr indexed)
+{
+ int i;
+ for (i = 0; i < width; ++i) {
+ CARD32 pixel;
+ Splita(values[i]);
+ pixel = (((a >> 4) & 0x8) |
+ ((r >> 5) & 0x4) |
+ ((g >> 6) & 0x2) |
+ ((b >> 7) ));
+ Store4(bits, i + x, pixel);
+ }
+}
+
+static FASTCALL void
+fbStore_a1b1g1r1 (FbBits *bits, const CARD32 *values, int x, int width, miIndexedPtr indexed)
+{
+ int i;
+ for (i = 0; i < width; ++i) {
+ CARD32 pixel;
+ Splita(values[i]);
+ pixel = (((a >> 4) & 0x8) |
+ ((b >> 5) & 0x4) |
+ ((g >> 6) & 0x2) |
+ ((r >> 7) ));
+ Store4(bits, i + x, pixel);
+ }
+}
+
+static FASTCALL void
+fbStore_c4 (FbBits *bits, const CARD32 *values, int x, int width, miIndexedPtr indexed)
+{
+ int i;
+ for (i = 0; i < width; ++i) {
+ CARD32 pixel;
+
+ pixel = miIndexToEnt24(indexed, values[i]);
+ Store4(bits, i + x, pixel);
+ }
+}
+
+static FASTCALL void
+fbStore_a1 (FbBits *bits, const CARD32 *values, int x, int width, miIndexedPtr indexed)
+{
+ int i;
+ for (i = 0; i < width; ++i) {
+ CARD32 *pixel = ((CARD32 *) bits) + ((i+x) >> 5);
+ CARD32 mask = FbStipMask((i+x) & 0x1f, 1);
+
+ CARD32 v = values[i] & 0x80000000 ? mask : 0;
+ *pixel = (*pixel & ~mask) | v;
+ }
+}
+
+static FASTCALL void
+fbStore_g1 (FbBits *bits, const CARD32 *values, int x, int width, miIndexedPtr indexed)
+{
+ int i;
+ for (i = 0; i < width; ++i) {
+ CARD32 *pixel = ((CARD32 *) bits) + ((i+x) >> 5);
+ CARD32 mask = FbStipMask((i+x) & 0x1f, 1);
+
+ CARD32 v = miIndexToEntY24(indexed,values[i]) ? mask : 0;
+ *pixel = (*pixel & ~mask) | v;
+ }
+}
+
+
+static storeProc storeProcForPicture (PicturePtr pict)
+{
+ switch(pict->format) {
+ case PICT_a8r8g8b8: return fbStore_a8r8g8b8;
+ case PICT_x8r8g8b8: return fbStore_x8r8g8b8;
+ case PICT_a8b8g8r8: return fbStore_a8b8g8r8;
+ case PICT_x8b8g8r8: return fbStore_x8b8g8r8;
+
+ /* 24bpp formats */
+ case PICT_r8g8b8: return fbStore_r8g8b8;
+ case PICT_b8g8r8: return fbStore_b8g8r8;
+
+ /* 16bpp formats */
+ case PICT_r5g6b5: return fbStore_r5g6b5;
+ case PICT_b5g6r5: return fbStore_b5g6r5;
+
+ case PICT_a1r5g5b5: return fbStore_a1r5g5b5;
+ case PICT_x1r5g5b5: return fbStore_x1r5g5b5;
+ case PICT_a1b5g5r5: return fbStore_a1b5g5r5;
+ case PICT_x1b5g5r5: return fbStore_x1b5g5r5;
+ case PICT_a4r4g4b4: return fbStore_a4r4g4b4;
+ case PICT_x4r4g4b4: return fbStore_x4r4g4b4;
+ case PICT_a4b4g4r4: return fbStore_a4b4g4r4;
+ case PICT_x4b4g4r4: return fbStore_x4b4g4r4;
+
+ /* 8bpp formats */
+ case PICT_a8: return fbStore_a8;
+ case PICT_r3g3b2: return fbStore_r3g3b2;
+ case PICT_b2g3r3: return fbStore_b2g3r3;
+ case PICT_a2r2g2b2: return fbStore_a2r2g2b2;
+ case PICT_c8: return fbStore_c8;
+ case PICT_g8: return fbStore_c8;
+
+ /* 4bpp formats */
+ case PICT_a4: return fbStore_a4;
+ case PICT_r1g2b1: return fbStore_r1g2b1;
+ case PICT_b1g2r1: return fbStore_b1g2r1;
+ case PICT_a1r1g1b1: return fbStore_a1r1g1b1;
+ case PICT_a1b1g1r1: return fbStore_a1b1g1r1;
+ case PICT_c4: return fbStore_c4;
+ case PICT_g4: return fbStore_c4;
+
+ /* 1bpp formats */
+ case PICT_a1: return fbStore_a1;
+ case PICT_g1: return fbStore_g1;
+ default:
+ return NULL;
+ }
+}
+
+
+/*
+ * Combine src and mask
+ */
+static FASTCALL void
+fbCombineMaskU (CARD32 *src, const CARD32 *mask, int width)
+{
+ int i;
+ for (i = 0; i < width; ++i) {
+ CARD32 a = mask[i] >> 24;
+ CARD32 s = src[i];
+ FbByteMul(s, a);
+ src[i] = s;
+ }
+}
+
+/*
+ * All of the composing functions
+ */
+
+static FASTCALL void
+fbCombineClear (CARD32 *dest, const CARD32 *src, int width)
+{
+ memset(dest, 0, width*sizeof(CARD32));
+}
+
+static FASTCALL void
+fbCombineSrcU (CARD32 *dest, const CARD32 *src, int width)
+{
+ memcpy(dest, src, width*sizeof(CARD32));
+}
+
+
+static FASTCALL void
+fbCombineOverU (CARD32 *dest, const CARD32 *src, int width)
+{
+ int i;
+ for (i = 0; i < width; ++i) {
+ CARD32 s = src[i];
+ CARD32 d = dest[i];
+ CARD32 ia = Alpha(~s);
+
+ FbByteMulAdd(d, ia, s);
+ dest[i] = d;
+ }
+}
+
+static FASTCALL void
+fbCombineOverReverseU (CARD32 *dest, const CARD32 *src, int width)
+{
+ int i;
+ for (i = 0; i < width; ++i) {
+ CARD32 s = src[i];
+ CARD32 d = dest[i];
+ CARD32 ia = Alpha(~dest[i]);
+ FbByteMulAdd(s, ia, d);
+ dest[i] = s;
+ }
+}
+
+static FASTCALL void
+fbCombineInU (CARD32 *dest, const CARD32 *src, int width)
+{
+ int i;
+ for (i = 0; i < width; ++i) {
+ CARD32 s = src[i];
+ CARD32 a = Alpha(dest[i]);
+ FbByteMul(s, a);
+ dest[i] = s;
+ }
+}
+
+static FASTCALL void
+fbCombineInReverseU (CARD32 *dest, const CARD32 *src, int width)
+{
+ int i;
+ for (i = 0; i < width; ++i) {
+ CARD32 d = dest[i];
+ CARD32 a = Alpha(src[i]);
+ FbByteMul(d, a);
+ dest[i] = d;
+ }
+}
+
+static FASTCALL void
+fbCombineOutU (CARD32 *dest, const CARD32 *src, int width)
+{
+ int i;
+ for (i = 0; i < width; ++i) {
+ CARD32 s = src[i];
+ CARD32 a = Alpha(~dest[i]);
+ FbByteMul(s, a);
+ dest[i] = s;
+ }
+}
+
+static FASTCALL void
+fbCombineOutReverseU (CARD32 *dest, const CARD32 *src, int width)
+{
+ int i;
+ for (i = 0; i < width; ++i) {
+ CARD32 d = dest[i];
+ CARD32 a = Alpha(~src[i]);
+ FbByteMul(d, a);
+ dest[i] = d;
+ }
+}
+
+static FASTCALL void
+fbCombineAtopU (CARD32 *dest, const CARD32 *src, int width)
+{
+ int i;
+ for (i = 0; i < width; ++i) {
+ CARD32 s = src[i];
+ CARD32 d = dest[i];
+ CARD32 dest_a = Alpha(d);
+ CARD32 src_ia = Alpha(~s);
+
+ FbByteAddMul(s, dest_a, d, src_ia);
+ dest[i] = s;
+ }
+}
+
+static FASTCALL void
+fbCombineAtopReverseU (CARD32 *dest, const CARD32 *src, int width)
+{
+ int i;
+ for (i = 0; i < width; ++i) {
+ CARD32 s = src[i];
+ CARD32 d = dest[i];
+ CARD32 src_a = Alpha(s);
+ CARD32 dest_ia = Alpha(~d);
+
+ FbByteAddMul(s, dest_ia, d, src_a);
+ dest[i] = s;
+ }
+}
+
+static FASTCALL void
+fbCombineXorU (CARD32 *dest, const CARD32 *src, int width)
+{
+ int i;
+ for (i = 0; i < width; ++i) {
+ CARD32 s = src[i];
+ CARD32 d = dest[i];
+ CARD32 src_ia = Alpha(~s);
+ CARD32 dest_ia = Alpha(~d);
+
+ FbByteAddMul(s, dest_ia, d, src_ia);
+ dest[i] = s;
+ }
+}
+
+static FASTCALL void
+fbCombineAddU (CARD32 *dest, const CARD32 *src, int width)
+{
+ int i;
+ for (i = 0; i < width; ++i) {
+ CARD32 s = src[i];
+ CARD32 d = dest[i];
+ FbByteAdd(d, s);
+ dest[i] = d;
+ }
+}
+
+static FASTCALL void
+fbCombineSaturateU (CARD32 *dest, const CARD32 *src, int width)
+{
+ int i;
+ for (i = 0; i < width; ++i) {
+ CARD32 s = src[i];
+ CARD32 d = dest[i];
+ CARD16 sa, da;
+
+ sa = s >> 24;
+ da = ~d >> 24;
+ if (sa > da)
+ {
+ sa = FbIntDiv(da, sa);
+ FbByteMul(s, sa);
+ }
+ FbByteAdd(d, s);
+ dest[i] = d;
+ }
+}
+
+/*
+ * All of the disjoint composing functions
+
+ The four entries in the first column indicate what source contributions
+ come from each of the four areas of the picture -- areas covered by neither
+ A nor B, areas covered only by A, areas covered only by B and finally
+ areas covered by both A and B.
+
+ Disjoint Conjoint
+ Fa Fb Fa Fb
+(0,0,0,0) 0 0 0 0
+(0,A,0,A) 1 0 1 0
+(0,0,B,B) 0 1 0 1
+(0,A,B,A) 1 min((1-a)/b,1) 1 max(1-a/b,0)
+(0,A,B,B) min((1-b)/a,1) 1 max(1-b/a,0) 1
+(0,0,0,A) max(1-(1-b)/a,0) 0 min(1,b/a) 0
+(0,0,0,B) 0 max(1-(1-a)/b,0) 0 min(a/b,1)
+(0,A,0,0) min(1,(1-b)/a) 0 max(1-b/a,0) 0
+(0,0,B,0) 0 min(1,(1-a)/b) 0 max(1-a/b,0)
+(0,0,B,A) max(1-(1-b)/a,0) min(1,(1-a)/b) min(1,b/a) max(1-a/b,0)
+(0,A,0,B) min(1,(1-b)/a) max(1-(1-a)/b,0) max(1-b/a,0) min(1,a/b)
+(0,A,B,0) min(1,(1-b)/a) min(1,(1-a)/b) max(1-b/a,0) max(1-a/b,0)
+
+ */
+
+#define CombineAOut 1
+#define CombineAIn 2
+#define CombineBOut 4
+#define CombineBIn 8
+
+#define CombineClear 0
+#define CombineA (CombineAOut|CombineAIn)
+#define CombineB (CombineBOut|CombineBIn)
+#define CombineAOver (CombineAOut|CombineBOut|CombineAIn)
+#define CombineBOver (CombineAOut|CombineBOut|CombineBIn)
+#define CombineAAtop (CombineBOut|CombineAIn)
+#define CombineBAtop (CombineAOut|CombineBIn)
+#define CombineXor (CombineAOut|CombineBOut)
+
+/* portion covered by a but not b */
+static INLINE CARD8
+fbCombineDisjointOutPart (CARD8 a, CARD8 b)
+{
+ /* min (1, (1-b) / a) */
+
+ b = ~b; /* 1 - b */
+ if (b >= a) /* 1 - b >= a -> (1-b)/a >= 1 */
+ return 0xff; /* 1 */
+ return FbIntDiv(b,a); /* (1-b) / a */
+}
+
+/* portion covered by both a and b */
+static INLINE CARD8
+fbCombineDisjointInPart (CARD8 a, CARD8 b)
+{
+ /* max (1-(1-b)/a,0) */
+ /* = - min ((1-b)/a - 1, 0) */
+ /* = 1 - min (1, (1-b)/a) */
+
+ b = ~b; /* 1 - b */
+ if (b >= a) /* 1 - b >= a -> (1-b)/a >= 1 */
+ return 0; /* 1 - 1 */
+ return ~FbIntDiv(b,a); /* 1 - (1-b) / a */
+}
+
+static FASTCALL void
+fbCombineDisjointGeneralU (CARD32 *dest, const CARD32 *src, int width, CARD8 combine)
+{
+ int i;
+ for (i = 0; i < width; ++i) {
+ CARD32 s = src[i];
+ CARD32 d = dest[i];
+ CARD32 m,n,o,p;
+ CARD16 Fa, Fb, t, u, v;
+ CARD8 sa = s >> 24;
+ CARD8 da = d >> 24;
+
+ switch (combine & CombineA) {
+ default:
+ Fa = 0;
+ break;
+ case CombineAOut:
+ Fa = fbCombineDisjointOutPart (sa, da);
+ break;
+ case CombineAIn:
+ Fa = fbCombineDisjointInPart (sa, da);
+ break;
+ case CombineA:
+ Fa = 0xff;
+ break;
+ }
+
+ switch (combine & CombineB) {
+ default:
+ Fb = 0;
+ break;
+ case CombineBOut:
+ Fb = fbCombineDisjointOutPart (da, sa);
+ break;
+ case CombineBIn:
+ Fb = fbCombineDisjointInPart (da, sa);
+ break;
+ case CombineB:
+ Fb = 0xff;
+ break;
+ }
+ m = FbGen (s,d,0,Fa,Fb,t, u, v);
+ n = FbGen (s,d,8,Fa,Fb,t, u, v);
+ o = FbGen (s,d,16,Fa,Fb,t, u, v);
+ p = FbGen (s,d,24,Fa,Fb,t, u, v);
+ s = m|n|o|p;
+ dest[i] = s;
+ }
+}
+
+static FASTCALL void
+fbCombineDisjointOverU (CARD32 *dest, const CARD32 *src, int width)
+{
+ int i;
+ for (i = 0; i < width; ++i) {
+ CARD32 s = src[i];
+ CARD16 a = s >> 24;
+
+ if (a != 0x00)
+ {
+ if (a != 0xff)
+ {
+ CARD32 d = dest[i];
+ a = fbCombineDisjointOutPart (d >> 24, a);
+ FbByteMulAdd(d, a, s);
+ s = d;
+ }
+ dest[i] = s;
+ }
+ }
+}
+
+static FASTCALL void
+fbCombineDisjointInU (CARD32 *dest, const CARD32 *src, int width)
+{
+ fbCombineDisjointGeneralU (dest, src, width, CombineAIn);
+}
+
+static FASTCALL void
+fbCombineDisjointInReverseU (CARD32 *dest, const CARD32 *src, int width)
+{
+ fbCombineDisjointGeneralU (dest, src, width, CombineBIn);
+}
+
+static FASTCALL void
+fbCombineDisjointOutU (CARD32 *dest, const CARD32 *src, int width)
+{
+ fbCombineDisjointGeneralU (dest, src, width, CombineAOut);
+}
+
+static FASTCALL void
+fbCombineDisjointOutReverseU (CARD32 *dest, const CARD32 *src, int width)
+{
+ fbCombineDisjointGeneralU (dest, src, width, CombineBOut);
+}
+
+static FASTCALL void
+fbCombineDisjointAtopU (CARD32 *dest, const CARD32 *src, int width)
+{
+ fbCombineDisjointGeneralU (dest, src, width, CombineAAtop);
+}
+
+static FASTCALL void
+fbCombineDisjointAtopReverseU (CARD32 *dest, const CARD32 *src, int width)
+{
+ fbCombineDisjointGeneralU (dest, src, width, CombineBAtop);
+}
+
+static FASTCALL void
+fbCombineDisjointXorU (CARD32 *dest, const CARD32 *src, int width)
+{
+ fbCombineDisjointGeneralU (dest, src, width, CombineXor);
+}
+
+/* portion covered by a but not b */
+static INLINE CARD8
+fbCombineConjointOutPart (CARD8 a, CARD8 b)
+{
+ /* max (1-b/a,0) */
+ /* = 1-min(b/a,1) */
+
+ /* min (1, (1-b) / a) */
+
+ if (b >= a) /* b >= a -> b/a >= 1 */
+ return 0x00; /* 0 */
+ return ~FbIntDiv(b,a); /* 1 - b/a */
+}
+
+/* portion covered by both a and b */
+static INLINE CARD8
+fbCombineConjointInPart (CARD8 a, CARD8 b)
+{
+ /* min (1,b/a) */
+
+ if (b >= a) /* b >= a -> b/a >= 1 */
+ return 0xff; /* 1 */
+ return FbIntDiv(b,a); /* b/a */
+}
+
+static FASTCALL void
+fbCombineConjointGeneralU (CARD32 *dest, const CARD32 *src, int width, CARD8 combine)
+{
+ int i;
+ for (i = 0; i < width; ++i) {
+ CARD32 s = src[i];
+ CARD32 d = dest[i];
+ CARD32 m,n,o,p;
+ CARD16 Fa, Fb, t, u, v;
+ CARD8 sa = s >> 24;
+ CARD8 da = d >> 24;
+
+ switch (combine & CombineA) {
+ default:
+ Fa = 0;
+ break;
+ case CombineAOut:
+ Fa = fbCombineConjointOutPart (sa, da);
+ break;
+ case CombineAIn:
+ Fa = fbCombineConjointInPart (sa, da);
+ break;
+ case CombineA:
+ Fa = 0xff;
+ break;
+ }
+
+ switch (combine & CombineB) {
+ default:
+ Fb = 0;
+ break;
+ case CombineBOut:
+ Fb = fbCombineConjointOutPart (da, sa);
+ break;
+ case CombineBIn:
+ Fb = fbCombineConjointInPart (da, sa);
+ break;
+ case CombineB:
+ Fb = 0xff;
+ break;
+ }
+ m = FbGen (s,d,0,Fa,Fb,t, u, v);
+ n = FbGen (s,d,8,Fa,Fb,t, u, v);
+ o = FbGen (s,d,16,Fa,Fb,t, u, v);
+ p = FbGen (s,d,24,Fa,Fb,t, u, v);
+ s = m|n|o|p;
+ dest[i] = s;
+ }
+}
+
+static FASTCALL void
+fbCombineConjointOverU (CARD32 *dest, const CARD32 *src, int width)
+{
+ fbCombineConjointGeneralU (dest, src, width, CombineAOver);
+}
+
+
+static FASTCALL void
+fbCombineConjointOverReverseU (CARD32 *dest, const CARD32 *src, int width)
+{
+ fbCombineConjointGeneralU (dest, src, width, CombineBOver);
+}
+
+
+static FASTCALL void
+fbCombineConjointInU (CARD32 *dest, const CARD32 *src, int width)
+{
+ fbCombineConjointGeneralU (dest, src, width, CombineAIn);
+}
+
+
+static FASTCALL void
+fbCombineConjointInReverseU (CARD32 *dest, const CARD32 *src, int width)
+{
+ fbCombineConjointGeneralU (dest, src, width, CombineBIn);
+}
+
+static FASTCALL void
+fbCombineConjointOutU (CARD32 *dest, const CARD32 *src, int width)
+{
+ fbCombineConjointGeneralU (dest, src, width, CombineAOut);
+}
+
+static FASTCALL void
+fbCombineConjointOutReverseU (CARD32 *dest, const CARD32 *src, int width)
+{
+ fbCombineConjointGeneralU (dest, src, width, CombineBOut);
+}
+
+static FASTCALL void
+fbCombineConjointAtopU (CARD32 *dest, const CARD32 *src, int width)
+{
+ fbCombineConjointGeneralU (dest, src, width, CombineAAtop);
+}
+
+static FASTCALL void
+fbCombineConjointAtopReverseU (CARD32 *dest, const CARD32 *src, int width)
+{
+ fbCombineConjointGeneralU (dest, src, width, CombineBAtop);
+}
+
+static FASTCALL void
+fbCombineConjointXorU (CARD32 *dest, const CARD32 *src, int width)
+{
+ fbCombineConjointGeneralU (dest, src, width, CombineXor);
+}
+
+static CombineFuncU fbCombineFuncU[] = {
+ fbCombineClear,
+ fbCombineSrcU,
+ NULL, /* CombineDst */
+ fbCombineOverU,
+ fbCombineOverReverseU,
+ fbCombineInU,
+ fbCombineInReverseU,
+ fbCombineOutU,
+ fbCombineOutReverseU,
+ fbCombineAtopU,
+ fbCombineAtopReverseU,
+ fbCombineXorU,
+ fbCombineAddU,
+ fbCombineSaturateU,
+ NULL,
+ NULL,
+ fbCombineClear,
+ fbCombineSrcU,
+ NULL, /* CombineDst */
+ fbCombineDisjointOverU,
+ fbCombineSaturateU, /* DisjointOverReverse */
+ fbCombineDisjointInU,
+ fbCombineDisjointInReverseU,
+ fbCombineDisjointOutU,
+ fbCombineDisjointOutReverseU,
+ fbCombineDisjointAtopU,
+ fbCombineDisjointAtopReverseU,
+ fbCombineDisjointXorU,
+ NULL,
+ NULL,
+ NULL,
+ NULL,
+ fbCombineClear,
+ fbCombineSrcU,
+ NULL, /* CombineDst */
+ fbCombineConjointOverU,
+ fbCombineConjointOverReverseU,
+ fbCombineConjointInU,
+ fbCombineConjointInReverseU,
+ fbCombineConjointOutU,
+ fbCombineConjointOutReverseU,
+ fbCombineConjointAtopU,
+ fbCombineConjointAtopReverseU,
+ fbCombineConjointXorU,
+};
+
+static FASTCALL void
+fbCombineMaskC (CARD32 *src, CARD32 *mask, int width)
+{
+ int i;
+ for (i = 0; i < width; ++i) {
+ CARD32 a = mask[i];
+
+ CARD32 x;
+ CARD16 xa;
+
+ if (!a)
+ {
+ src[i] = 0;
+ continue;
+ }
+
+ x = src[i];
+ if (a == 0xffffffff)
+ {
+ x = x >> 24;
+ x |= x << 8;
+ x |= x << 16;
+ mask[i] = x;
+ continue;
+ }
+
+ xa = x >> 24;
+ FbByteMulC(x, a);
+ src[i] = x;
+ FbByteMul(a, xa);
+ mask[i] = a;
+ }
+}
+
+static FASTCALL void
+fbCombineMaskValueC (CARD32 *src, const CARD32 *mask, int width)
+{
+ int i;
+ for (i = 0; i < width; ++i) {
+ CARD32 a = mask[i];
+ CARD32 x;
+
+ if (!a)
+ {
+ src[i] = 0;
+ continue;
+ }
+
+ if (a == 0xffffffff)
+ continue;
+
+ x = src[i];
+ FbByteMulC(x, a);
+ src[i] = x;
+ }
+}
+
+
+static FASTCALL void
+fbCombineMaskAlphaC (const CARD32 *src, CARD32 *mask, int width)
+{
+ int i;
+ for (i = 0; i < width; ++i) {
+ CARD32 a = mask[i];
+ CARD32 x;
+
+ if (!a)
+ continue;
+
+ x = src[i] >> 24;
+ if (x == 0xff)
+ continue;
+ if (a == 0xffffffff)
+ {
+ x = x >> 24;
+ x |= x << 8;
+ x |= x << 16;
+ mask[i] = x;
+ continue;
+ }
+
+ FbByteMul(a, x);
+ mask[i] = a;
+ }
+}
+
+static FASTCALL void
+fbCombineClearC (CARD32 *dest, CARD32 *src, CARD32 *mask, int width)
+{
+ memset(dest, 0, width*sizeof(CARD32));
+}
+
+static FASTCALL void
+fbCombineSrcC (CARD32 *dest, CARD32 *src, CARD32 *mask, int width)
+{
+ fbCombineMaskValueC(src, mask, width);
+ memcpy(dest, src, width*sizeof(CARD32));
+}
+
+static FASTCALL void
+fbCombineOverC (CARD32 *dest, CARD32 *src, CARD32 *mask, int width)
+{
+ int i;
+ fbCombineMaskC(src, mask, width);
+ for (i = 0; i < width; ++i) {
+ CARD32 s = src[i];
+ CARD32 a = ~mask[i];
+
+ if (a != 0xffffffff)
+ {
+ if (a)
+ {
+ CARD32 d = dest[i];
+ FbByteMulAddC(d, a, s);
+ s = d;
+ }
+ dest[i] = s;
+ }
+ }
+}
+
+static FASTCALL void
+fbCombineOverReverseC (CARD32 *dest, CARD32 *src, CARD32 *mask, int width)
+{
+ int i;
+ fbCombineMaskValueC(src, mask, width);
+ for (i = 0; i < width; ++i) {
+ CARD32 d = dest[i];
+ CARD32 a = ~d >> 24;
+
+ if (a)
+ {
+ CARD32 s = src[i];
+ if (a != 0xff)
+ {
+ FbByteMulAdd(s, a, d);
+ }
+ dest[i] = s;
+ }
+ }
+}
+
+static FASTCALL void
+fbCombineInC (CARD32 *dest, CARD32 *src, CARD32 *mask, int width)
+{
+ int i;
+ fbCombineMaskValueC(src, mask, width);
+ for (i = 0; i < width; ++i) {
+ CARD32 d = dest[i];
+ CARD16 a = d >> 24;
+ CARD32 s = 0;
+ if (a)
+ {
+ s = src[i];
+ if (a != 0xff)
+ {
+ FbByteMul(s, a);
+ }
+ }
+ dest[i] = s;
+ }
+}
+
+static FASTCALL void
+fbCombineInReverseC (CARD32 *dest, CARD32 *src, CARD32 *mask, int width)
+{
+ int i;
+ fbCombineMaskAlphaC(src, mask, width);
+ for (i = 0; i < width; ++i) {
+ CARD32 a = mask[i];
+
+ if (a != 0xffffffff)
+ {
+ CARD32 d = 0;
+ if (a)
+ {
+ d = dest[i];
+ FbByteMulC(d, a);
+ }
+ dest[i] = d;
+ }
+ }
+}
+
+static FASTCALL void
+fbCombineOutC (CARD32 *dest, CARD32 *src, CARD32 *mask, int width)
+{
+ int i;
+ fbCombineMaskValueC(src, mask, width);
+ for (i = 0; i < width; ++i) {
+ CARD32 d = dest[i];
+ CARD16 a = ~d >> 24;
+ CARD32 s = 0;
+ if (a)
+ {
+ s = src[i];
+ if (a != 0xff)
+ {
+ FbByteMul(s, a);
+ }
+ }
+ dest[i] = s;
+ }
+}
+
+static FASTCALL void
+fbCombineOutReverseC (CARD32 *dest, CARD32 *src, CARD32 *mask, int width)
+{
+ int i;
+ fbCombineMaskAlphaC(src, mask, width);
+ for (i = 0; i < width; ++i) {
+ CARD32 a = ~mask[i];
+
+ if (a != 0xffffffff)
+ {
+ CARD32 d = 0;
+ if (a)
+ {
+ d = dest[i];
+ FbByteMulC(d, a);
+ }
+ dest[i] = d;
+ }
+ }
+}
+
+static FASTCALL void
+fbCombineAtopC (CARD32 *dest, CARD32 *src, CARD32 *mask, int width)
+{
+ int i;
+ fbCombineMaskC(src, mask, width);
+ for (i = 0; i < width; ++i) {
+ CARD32 d = dest[i];
+ CARD32 s = src[i];
+ CARD32 ad = ~mask[i];
+ CARD16 as = d >> 24;
+ FbByteAddMulC(d, ad, s, as);
+ dest[i] = d;
+ }
+}
+
+static FASTCALL void
+fbCombineAtopReverseC (CARD32 *dest, CARD32 *src, CARD32 *mask, int width)
+{
+ int i;
+ fbCombineMaskC(src, mask, width);
+ for (i = 0; i < width; ++i) {
+
+ CARD32 d = dest[i];
+ CARD32 s = src[i];
+ CARD32 ad = mask[i];
+ CARD16 as = ~d >> 24;
+ FbByteAddMulC(d, ad, s, as);
+ dest[i] = d;
+ }
+}
+
+static FASTCALL void
+fbCombineXorC (CARD32 *dest, CARD32 *src, CARD32 *mask, int width)
+{
+ int i;
+ fbCombineMaskC(src, mask, width);
+ for (i = 0; i < width; ++i) {
+ CARD32 d = dest[i];
+ CARD32 s = src[i];
+ CARD32 ad = ~mask[i];
+ CARD16 as = ~d >> 24;
+ FbByteAddMulC(d, ad, s, as);
+ dest[i] = d;
+ }
+}
+
+static FASTCALL void
+fbCombineAddC (CARD32 *dest, CARD32 *src, CARD32 *mask, int width)
+{
+ int i;
+ fbCombineMaskValueC(src, mask, width);
+ for (i = 0; i < width; ++i) {
+ CARD32 s = src[i];
+ CARD32 d = dest[i];
+ FbByteAdd(d, s);
+ dest[i] = d;
+ }
+}
+
+static FASTCALL void
+fbCombineSaturateC (CARD32 *dest, CARD32 *src, CARD32 *mask, int width)
+{
+ int i;
+ fbCombineMaskC(src, mask, width);
+ for (i = 0; i < width; ++i) {
+ CARD32 s, d;
+ CARD16 sa, sr, sg, sb, da;
+ CARD16 t, u, v;
+ CARD32 m,n,o,p;
+
+ d = dest[i];
+ s = src[i];
+ sa = (mask[i] >> 24);
+ sr = (mask[i] >> 16) & 0xff;
+ sg = (mask[i] >> 8) & 0xff;
+ sb = (mask[i] ) & 0xff;
+ da = ~d >> 24;
+
+ if (sb <= da)
+ m = FbAdd(s,d,0,t);
+ else
+ m = FbGen (s, d, 0, (da << 8) / sb, 0xff, t, u, v);
+
+ if (sg <= da)
+ n = FbAdd(s,d,8,t);
+ else
+ n = FbGen (s, d, 8, (da << 8) / sg, 0xff, t, u, v);
+
+ if (sr <= da)
+ o = FbAdd(s,d,16,t);
+ else
+ o = FbGen (s, d, 16, (da << 8) / sr, 0xff, t, u, v);
+
+ if (sa <= da)
+ p = FbAdd(s,d,24,t);
+ else
+ p = FbGen (s, d, 24, (da << 8) / sa, 0xff, t, u, v);
+
+ dest[i] = m|n|o|p;
+ }
+}
+
+static FASTCALL void
+fbCombineDisjointGeneralC (CARD32 *dest, CARD32 *src, CARD32 *mask, int width, CARD8 combine)
+{
+ int i;
+ fbCombineMaskC(src, mask, width);
+ for (i = 0; i < width; ++i) {
+ CARD32 s, d;
+ CARD32 m,n,o,p;
+ CARD32 Fa, Fb;
+ CARD16 t, u, v;
+ CARD32 sa;
+ CARD8 da;
+
+ s = src[i];
+ sa = mask[i];
+ d = dest[i];
+ da = d >> 24;
+
+ switch (combine & CombineA) {
+ default:
+ Fa = 0;
+ break;
+ case CombineAOut:
+ m = fbCombineDisjointOutPart ((CARD8) (sa >> 0), da);
+ n = fbCombineDisjointOutPart ((CARD8) (sa >> 8), da) << 8;
+ o = fbCombineDisjointOutPart ((CARD8) (sa >> 16), da) << 16;
+ p = fbCombineDisjointOutPart ((CARD8) (sa >> 24), da) << 24;
+ Fa = m|n|o|p;
+ break;
+ case CombineAIn:
+ m = fbCombineDisjointInPart ((CARD8) (sa >> 0), da);
+ n = fbCombineDisjointInPart ((CARD8) (sa >> 8), da) << 8;
+ o = fbCombineDisjointInPart ((CARD8) (sa >> 16), da) << 16;
+ p = fbCombineDisjointInPart ((CARD8) (sa >> 24), da) << 24;
+ Fa = m|n|o|p;
+ break;
+ case CombineA:
+ Fa = 0xffffffff;
+ break;
+ }
+
+ switch (combine & CombineB) {
+ default:
+ Fb = 0;
+ break;
+ case CombineBOut:
+ m = fbCombineDisjointOutPart (da, (CARD8) (sa >> 0));
+ n = fbCombineDisjointOutPart (da, (CARD8) (sa >> 8)) << 8;
+ o = fbCombineDisjointOutPart (da, (CARD8) (sa >> 16)) << 16;
+ p = fbCombineDisjointOutPart (da, (CARD8) (sa >> 24)) << 24;
+ Fb = m|n|o|p;
+ break;
+ case CombineBIn:
+ m = fbCombineDisjointInPart (da, (CARD8) (sa >> 0));
+ n = fbCombineDisjointInPart (da, (CARD8) (sa >> 8)) << 8;
+ o = fbCombineDisjointInPart (da, (CARD8) (sa >> 16)) << 16;
+ p = fbCombineDisjointInPart (da, (CARD8) (sa >> 24)) << 24;
+ Fb = m|n|o|p;
+ break;
+ case CombineB:
+ Fb = 0xffffffff;
+ break;
+ }
+ m = FbGen (s,d,0,FbGet8(Fa,0),FbGet8(Fb,0),t, u, v);
+ n = FbGen (s,d,8,FbGet8(Fa,8),FbGet8(Fb,8),t, u, v);
+ o = FbGen (s,d,16,FbGet8(Fa,16),FbGet8(Fb,16),t, u, v);
+ p = FbGen (s,d,24,FbGet8(Fa,24),FbGet8(Fb,24),t, u, v);
+ s = m|n|o|p;
+ dest[i] = s;
+ }
+}
+
+static FASTCALL void
+fbCombineDisjointOverC (CARD32 *dest, CARD32 *src, CARD32 *mask, int width)
+{
+ fbCombineDisjointGeneralC (dest, src, mask, width, CombineAOver);
+}
+
+static FASTCALL void
+fbCombineDisjointInC (CARD32 *dest, CARD32 *src, CARD32 *mask, int width)
+{
+ fbCombineDisjointGeneralC (dest, src, mask, width, CombineAIn);
+}
+
+static FASTCALL void
+fbCombineDisjointInReverseC (CARD32 *dest, CARD32 *src, CARD32 *mask, int width)
+{
+ fbCombineDisjointGeneralC (dest, src, mask, width, CombineBIn);
+}
+
+static FASTCALL void
+fbCombineDisjointOutC (CARD32 *dest, CARD32 *src, CARD32 *mask, int width)
+{
+ fbCombineDisjointGeneralC (dest, src, mask, width, CombineAOut);
+}
+
+static FASTCALL void
+fbCombineDisjointOutReverseC (CARD32 *dest, CARD32 *src, CARD32 *mask, int width)
+{
+ fbCombineDisjointGeneralC (dest, src, mask, width, CombineBOut);
+}
+
+static FASTCALL void
+fbCombineDisjointAtopC (CARD32 *dest, CARD32 *src, CARD32 *mask, int width)
+{
+ fbCombineDisjointGeneralC (dest, src, mask, width, CombineAAtop);
+}
+
+static FASTCALL void
+fbCombineDisjointAtopReverseC (CARD32 *dest, CARD32 *src, CARD32 *mask, int width)
+{
+ fbCombineDisjointGeneralC (dest, src, mask, width, CombineBAtop);
+}
+
+static FASTCALL void
+fbCombineDisjointXorC (CARD32 *dest, CARD32 *src, CARD32 *mask, int width)
+{
+ fbCombineDisjointGeneralC (dest, src, mask, width, CombineXor);
+}
+
+static FASTCALL void
+fbCombineConjointGeneralC (CARD32 *dest, CARD32 *src, CARD32 *mask, int width, CARD8 combine)
+{
+ int i;
+ fbCombineMaskC(src, mask, width);
+ for (i = 0; i < width; ++i) {
+ CARD32 s, d;
+ CARD32 m,n,o,p;
+ CARD32 Fa, Fb;
+ CARD16 t, u, v;
+ CARD32 sa;
+ CARD8 da;
+
+ s = src[i];
+ sa = mask[i];
+ d = dest[i];
+ da = d >> 24;
+
+ switch (combine & CombineA) {
+ default:
+ Fa = 0;
+ break;
+ case CombineAOut:
+ m = fbCombineConjointOutPart ((CARD8) (sa >> 0), da);
+ n = fbCombineConjointOutPart ((CARD8) (sa >> 8), da) << 8;
+ o = fbCombineConjointOutPart ((CARD8) (sa >> 16), da) << 16;
+ p = fbCombineConjointOutPart ((CARD8) (sa >> 24), da) << 24;
+ Fa = m|n|o|p;
+ break;
+ case CombineAIn:
+ m = fbCombineConjointInPart ((CARD8) (sa >> 0), da);
+ n = fbCombineConjointInPart ((CARD8) (sa >> 8), da) << 8;
+ o = fbCombineConjointInPart ((CARD8) (sa >> 16), da) << 16;
+ p = fbCombineConjointInPart ((CARD8) (sa >> 24), da) << 24;
+ Fa = m|n|o|p;
+ break;
+ case CombineA:
+ Fa = 0xffffffff;
+ break;
+ }
+
+ switch (combine & CombineB) {
+ default:
+ Fb = 0;
+ break;
+ case CombineBOut:
+ m = fbCombineConjointOutPart (da, (CARD8) (sa >> 0));
+ n = fbCombineConjointOutPart (da, (CARD8) (sa >> 8)) << 8;
+ o = fbCombineConjointOutPart (da, (CARD8) (sa >> 16)) << 16;
+ p = fbCombineConjointOutPart (da, (CARD8) (sa >> 24)) << 24;
+ Fb = m|n|o|p;
+ break;
+ case CombineBIn:
+ m = fbCombineConjointInPart (da, (CARD8) (sa >> 0));
+ n = fbCombineConjointInPart (da, (CARD8) (sa >> 8)) << 8;
+ o = fbCombineConjointInPart (da, (CARD8) (sa >> 16)) << 16;
+ p = fbCombineConjointInPart (da, (CARD8) (sa >> 24)) << 24;
+ Fb = m|n|o|p;
+ break;
+ case CombineB:
+ Fb = 0xffffffff;
+ break;
+ }
+ m = FbGen (s,d,0,FbGet8(Fa,0),FbGet8(Fb,0),t, u, v);
+ n = FbGen (s,d,8,FbGet8(Fa,8),FbGet8(Fb,8),t, u, v);
+ o = FbGen (s,d,16,FbGet8(Fa,16),FbGet8(Fb,16),t, u, v);
+ p = FbGen (s,d,24,FbGet8(Fa,24),FbGet8(Fb,24),t, u, v);
+ s = m|n|o|p;
+ dest[i] = s;
+ }
+}
+
+static FASTCALL void
+fbCombineConjointOverC (CARD32 *dest, CARD32 *src, CARD32 *mask, int width)
+{
+ fbCombineConjointGeneralC (dest, src, mask, width, CombineAOver);
+}
+
+static FASTCALL void
+fbCombineConjointOverReverseC (CARD32 *dest, CARD32 *src, CARD32 *mask, int width)
+{
+ fbCombineConjointGeneralC (dest, src, mask, width, CombineBOver);
+}
+
+static FASTCALL void
+fbCombineConjointInC (CARD32 *dest, CARD32 *src, CARD32 *mask, int width)
+{
+ fbCombineConjointGeneralC (dest, src, mask, width, CombineAIn);
+}
+
+static FASTCALL void
+fbCombineConjointInReverseC (CARD32 *dest, CARD32 *src, CARD32 *mask, int width)
+{
+ fbCombineConjointGeneralC (dest, src, mask, width, CombineBIn);
+}
+
+static FASTCALL void
+fbCombineConjointOutC (CARD32 *dest, CARD32 *src, CARD32 *mask, int width)
+{
+ fbCombineConjointGeneralC (dest, src, mask, width, CombineAOut);
+}
+
+static FASTCALL void
+fbCombineConjointOutReverseC (CARD32 *dest, CARD32 *src, CARD32 *mask, int width)
+{
+ fbCombineConjointGeneralC (dest, src, mask, width, CombineBOut);
+}
+
+static FASTCALL void
+fbCombineConjointAtopC (CARD32 *dest, CARD32 *src, CARD32 *mask, int width)
+{
+ fbCombineConjointGeneralC (dest, src, mask, width, CombineAAtop);
+}
+
+static FASTCALL void
+fbCombineConjointAtopReverseC (CARD32 *dest, CARD32 *src, CARD32 *mask, int width)
+{
+ fbCombineConjointGeneralC (dest, src, mask, width, CombineBAtop);
+}
+
+static FASTCALL void
+fbCombineConjointXorC (CARD32 *dest, CARD32 *src, CARD32 *mask, int width)
+{
+ fbCombineConjointGeneralC (dest, src, mask, width, CombineXor);
+}
+
+static CombineFuncC fbCombineFuncC[] = {
+ fbCombineClearC,
+ fbCombineSrcC,
+ NULL, /* Dest */
+ fbCombineOverC,
+ fbCombineOverReverseC,
+ fbCombineInC,
+ fbCombineInReverseC,
+ fbCombineOutC,
+ fbCombineOutReverseC,
+ fbCombineAtopC,
+ fbCombineAtopReverseC,
+ fbCombineXorC,
+ fbCombineAddC,
+ fbCombineSaturateC,
+ NULL,
+ NULL,
+ fbCombineClearC, /* 0x10 */
+ fbCombineSrcC,
+ NULL, /* Dest */
+ fbCombineDisjointOverC,
+ fbCombineSaturateC, /* DisjointOverReverse */
+ fbCombineDisjointInC,
+ fbCombineDisjointInReverseC,
+ fbCombineDisjointOutC,
+ fbCombineDisjointOutReverseC,
+ fbCombineDisjointAtopC,
+ fbCombineDisjointAtopReverseC,
+ fbCombineDisjointXorC, /* 0x1b */
+ NULL,
+ NULL,
+ NULL,
+ NULL,
+ fbCombineClearC,
+ fbCombineSrcC,
+ NULL, /* Dest */
+ fbCombineConjointOverC,
+ fbCombineConjointOverReverseC,
+ fbCombineConjointInC,
+ fbCombineConjointInReverseC,
+ fbCombineConjointOutC,
+ fbCombineConjointOutReverseC,
+ fbCombineConjointAtopC,
+ fbCombineConjointAtopReverseC,
+ fbCombineConjointXorC,
+};
+
+
+FbComposeFunctions composeFunctions = {
+ fbCombineFuncU,
+ fbCombineFuncC,
+ fbCombineMaskU
+};
+
+
+static void fbFetchSolid(PicturePtr pict, int x, int y, int width, CARD32 *buffer)
+{
+ FbBits *bits;
+ FbStride stride;
+ int bpp;
+ int xoff, yoff;
+ CARD32 color;
+ CARD32 *end;
+ fetchPixelProc fetch = fetchPixelProcForPicture(pict);
+ miIndexedPtr indexed = (miIndexedPtr) pict->pFormat->index.devPrivate;
+
+ fbGetDrawable (pict->pDrawable, bits, stride, bpp, xoff, yoff);
+ bits += yoff*stride + (xoff*bpp >> FB_SHIFT);
+
+ color = fetch(bits, 0, indexed);
+
+ end = buffer + width;
+ while (buffer < end)
+ *buffer++ = color;
+}
+
+static void fbFetch(PicturePtr pict, int x, int y, int width, CARD32 *buffer)
+{
+ FbBits *bits;
+ FbStride stride;
+ int bpp;
+ int xoff, yoff;
+ fetchProc fetch = fetchProcForPicture(pict);
+ miIndexedPtr indexed = (miIndexedPtr) pict->pFormat->index.devPrivate;
+
+ fbGetDrawable (pict->pDrawable, bits, stride, bpp, xoff, yoff);
+ x += xoff;
+ y += yoff;
+
+ bits += y*stride;
+
+ fetch(bits, x, width, buffer, indexed);
+}
+
+#define MOD(a,b) ((a) < 0 ? ((b) - ((-(a) - 1) % (b))) - 1 : (a) % (b))
+#define DIV(a,b) ((((a) < 0) == ((b) < 0)) ? (a) / (b) :\
+ ((a) - (b) + 1 - (((b) < 0) << 1)) / (b))
+
+
+static CARD32 gradientPixel(const SourcePictPtr pGradient, xFixed_48_16 pos, unsigned int spread)
+{
+ int ipos = (pos * PICT_GRADIENT_STOPTABLE_SIZE - 1) >> 16;
+
+ /* calculate the actual offset. */
+ if (ipos < 0 || ipos >= PICT_GRADIENT_STOPTABLE_SIZE) {
+ if (pGradient->type == SourcePictTypeConical || spread == RepeatNormal) {
+ ipos = ipos % PICT_GRADIENT_STOPTABLE_SIZE;
+ ipos = ipos < 0 ? PICT_GRADIENT_STOPTABLE_SIZE + ipos : ipos;
+
+ } else if (spread == RepeatReflect) {
+ const int limit = PICT_GRADIENT_STOPTABLE_SIZE * 2 - 1;
+ ipos = ipos % limit;
+ ipos = ipos < 0 ? limit + ipos : ipos;
+ ipos = ipos >= PICT_GRADIENT_STOPTABLE_SIZE ? limit - ipos : ipos;
+
+ } else if (spread == RepeatPad) {
+ if (ipos < 0)
+ ipos = 0;
+ else if (ipos >= PICT_GRADIENT_STOPTABLE_SIZE)
+ ipos = PICT_GRADIENT_STOPTABLE_SIZE-1;
+ } else { /* RepeatNone */
+ return 0;
+ }
+ }
+
+ assert(ipos >= 0);
+ assert(ipos < PICT_GRADIENT_STOPTABLE_SIZE);
+
+ return pGradient->linear.colorTable[ipos];
+}
+
+static void fbFetchSourcePict(PicturePtr pict, int x, int y, int width, CARD32 *buffer)
+{
+ SourcePictPtr pGradient = pict->pSourcePict;
+ CARD32 *end = buffer + width;
+
+ if (pGradient->type == SourcePictTypeSolidFill) {
+ register CARD32 color = pGradient->solidFill.color;
+ while (buffer < end) {
+ *buffer++ = color;
+ }
+ } else if (pGradient->type == SourcePictTypeLinear) {
+ PictVector v, unit;
+ xFixed_32_32 l;
+ xFixed_48_16 dx, dy, a, b, off;
+
+ v.vector[0] = IntToxFixed(x);
+ v.vector[1] = IntToxFixed(y);
+ v.vector[2] = xFixed1;
+ if (pict->transform) {
+ if (!PictureTransformPoint3d (pict->transform, &v))
+ return;
+ unit.vector[0] = pict->transform->matrix[0][0];
+ unit.vector[1] = pict->transform->matrix[1][0];
+ unit.vector[2] = pict->transform->matrix[2][0];
+ } else {
+ unit.vector[0] = xFixed1;
+ unit.vector[1] = 0;
+ unit.vector[2] = 0;
+ }
+
+ dx = pGradient->linear.p2.x - pGradient->linear.p1.x;
+ dy = pGradient->linear.p2.y - pGradient->linear.p1.y;
+ l = dx*dx + dy*dy;
+ if (l != 0) {
+ a = (dx << 32) / l;
+ b = (dy << 32) / l;
+ off = (-a*pGradient->linear.p1.x - b*pGradient->linear.p1.y)>>16;
+ }
+ if (l == 0 || (unit.vector[2] == 0 && v.vector[2] == xFixed1)) {
+ xFixed_48_16 inc, t;
+ /* affine transformation only */
+ if (l == 0) {
+ t = 0;
+ inc = 0;
+ } else {
+ t = ((a*v.vector[0] + b*v.vector[1]) >> 16) + off;
+ inc = (a * unit.vector[0] + b * unit.vector[1]) >> 16;
+ }
+ while (buffer < end) {
+ *buffer++ = gradientPixel(pGradient, t, pict->repeatType);
+ t += inc;
+ }
+ } else {
+ /* projective transformation */
+ while (buffer < end) {
+ xFixed_48_16 t;
+ if (v.vector[2] == 0) {
+ t = 0;
+ } else {
+ xFixed_48_16 x, y;
+ x = ((xFixed_48_16)v.vector[0] << 16) / v.vector[2];
+ y = ((xFixed_48_16)v.vector[1] << 16) / v.vector[2];
+ t = ((a*x + b*y) >> 16) + off;
+ }
+ *buffer++ = gradientPixel(pGradient, t, pict->repeatType);
+ v.vector[0] += unit.vector[0];
+ v.vector[1] += unit.vector[1];
+ v.vector[2] += unit.vector[2];
+ }
+ }
+ } else {
+ /* radial or conical */
+ Bool affine = TRUE;
+ double cx = 1.;
+ double cy = 0.;
+ double cz = 0.;
+ double rx = x;
+ double ry = y;
+ double rz = 1.;
+
+ if (pict->transform) {
+ PictVector v;
+ v.vector[0] = IntToxFixed(x);
+ v.vector[1] = IntToxFixed(y);
+ v.vector[2] = xFixed1;
+ if (!PictureTransformPoint3d (pict->transform, &v))
+ return;
+
+ cx = pict->transform->matrix[0][0]/65536.;
+ cy = pict->transform->matrix[1][0]/65536.;
+ cz = pict->transform->matrix[2][0]/65536.;
+ rx = v.vector[0]/65536.;
+ ry = v.vector[1]/65536.;
+ rz = v.vector[2]/65536.;
+ affine = pict->transform->matrix[2][0] == 0 && v.vector[2] == xFixed1;
+ }
+
+ if (pGradient->type == SourcePictTypeRadial) {
+ if (affine) {
+ rx -= pGradient->radial.fx;
+ ry -= pGradient->radial.fy;
+
+ while (buffer < end) {
+ double b = 2*(rx*pGradient->radial.dx + ry*pGradient->radial.dy);
+ double c = -(rx*rx + ry*ry);
+ double det = (b * b) - (4 * pGradient->radial.a * c);
+ double s = (-b + sqrt(det))/(2. * pGradient->radial.a);
+ *buffer = gradientPixel(pGradient,
+ (xFixed_48_16)((s*pGradient->radial.m + pGradient->radial.b)*65536),
+ pict->repeatType);
+ ++buffer;
+ rx += cx;
+ ry += cy;
+ }
+ } else {
+ while (buffer < end) {
+ double x, y;
+ double b, c, det, s;
+ if (rz != 0) {
+ x = rx/rz;
+ y = ry/rz;
+ } else {
+ x = y = 0.;
+ }
+ x -= pGradient->radial.fx;
+ y -= pGradient->radial.fy;
+ b = 2*(x*pGradient->radial.dx + y*pGradient->radial.dy);
+ c = -(x*x + y*y);
+ det = (b * b) - (4 * pGradient->radial.a * c);
+ s = (-b + sqrt(det))/(2. * pGradient->radial.a);
+ *buffer = gradientPixel(pGradient,
+ (xFixed_48_16)((s*pGradient->radial.m + pGradient->radial.b)*65536),
+ pict->repeatType);
+ ++buffer;
+ rx += cx;
+ ry += cy;
+ rz += cz;
+ }
+ }
+ } else /* SourcePictTypeConical */ {
+ double a = pGradient->conical.angle/(180.*65536);
+ if (affine) {
+ rx -= pGradient->conical.center.x/65536.;
+ ry -= pGradient->conical.center.y/65536.;
+
+ while (buffer < end) {
+ double angle = atan2(ry, rx) + a;
+ *buffer = gradientPixel(pGradient, (xFixed_48_16) (angle * (65536. / (2*M_PI))),
+ pict->repeatType);
+ ++buffer;
+ rx += cx;
+ ry += cy;
+ }
+ } else {
+
+ while (buffer < end) {
+ double x, y, angle;
+ if (rz != 0) {
+ x = rx/rz;
+ y = ry/rz;
+ } else {
+ x = y = 0.;
+ }
+ x -= pGradient->conical.center.x/65536.;
+ y -= pGradient->conical.center.y/65536.;
+ angle = atan2(y, x) + a;
+ *buffer = gradientPixel(pGradient, (xFixed_48_16) (angle * (65536. / (2*M_PI))),
+ pict->repeatType);
+ ++buffer;
+ rx += cx;
+ ry += cy;
+ rz += cz;
+ }
+ }
+ }
+ }
+}
+
+
+
+static void fbFetchTransformed(PicturePtr pict, int x, int y, int width, CARD32 *buffer)
+{
+ FbBits *bits;
+ FbStride stride;
+ int bpp;
+ int xoff, yoff;
+ fetchPixelProc fetch;
+ PictVector v;
+ PictVector unit;
+ int i;
+ BoxRec box;
+ miIndexedPtr indexed = (miIndexedPtr) pict->pFormat->index.devPrivate;
+ Bool affine = TRUE;
+
+ fetch = fetchPixelProcForPicture(pict);
+
+ fbGetDrawable(pict->pDrawable, bits, stride, bpp, xoff, yoff);
+ x += xoff;
+ y += yoff;
+
+ v.vector[0] = IntToxFixed(x);
+ v.vector[1] = IntToxFixed(y);
+ v.vector[2] = xFixed1;
+
+ /* when using convolution filters one might get here without a transform */
+ if (pict->transform) {
+ if (!PictureTransformPoint3d (pict->transform, &v))
+ return;
+ unit.vector[0] = pict->transform->matrix[0][0];
+ unit.vector[1] = pict->transform->matrix[1][0];
+ unit.vector[2] = pict->transform->matrix[2][0];
+ affine = v.vector[2] == xFixed1 && unit.vector[2] == 0;
+ } else {
+ unit.vector[0] = xFixed1;
+ unit.vector[1] = 0;
+ unit.vector[2] = 0;
+ }
+
+ if (pict->filter == PictFilterNearest)
+ {
+ if (pict->repeatType == RepeatNormal) {
+ if (REGION_NUM_RECTS(pict->pCompositeClip) == 1) {
+ box = pict->pCompositeClip->extents;
+ for (i = 0; i < width; ++i) {
+ if (!v.vector[2]) {
+ buffer[i] = 0;
+ } else {
+ if (!affine) {
+ y = MOD(DIV(v.vector[1],v.vector[2]), pict->pDrawable->height);
+ x = MOD(DIV(v.vector[0],v.vector[2]), pict->pDrawable->width);
+ } else {
+ y = MOD(v.vector[1]>>16, pict->pDrawable->height);
+ x = MOD(v.vector[0]>>16, pict->pDrawable->width);
+ }
+ buffer[i] = fetch(bits + (y + pict->pDrawable->y)*stride, x + pict->pDrawable->x, indexed);
+ }
+ v.vector[0] += unit.vector[0];
+ v.vector[1] += unit.vector[1];
+ v.vector[2] += unit.vector[2];
+ }
+ } else {
+ for (i = 0; i < width; ++i) {
+ if (!v.vector[2]) {
+ buffer[i] = 0;
+ } else {
+ if (!affine) {
+ y = MOD(DIV(v.vector[1],v.vector[2]), pict->pDrawable->height);
+ x = MOD(DIV(v.vector[0],v.vector[2]), pict->pDrawable->width);
+ } else {
+ y = MOD(v.vector[1]>>16, pict->pDrawable->height);
+ x = MOD(v.vector[0]>>16, pict->pDrawable->width);
+ }
+ if (POINT_IN_REGION (0, pict->pCompositeClip, x, y, &box))
+ buffer[i] = fetch(bits + (y + pict->pDrawable->y)*stride, x + pict->pDrawable->x, indexed);
+ else
+ buffer[i] = 0;
+ }
+ v.vector[0] += unit.vector[0];
+ v.vector[1] += unit.vector[1];
+ v.vector[2] += unit.vector[2];
+ }
+ }
+ } else {
+ if (REGION_NUM_RECTS(pict->pCompositeClip) == 1) {
+ box = pict->pCompositeClip->extents;
+ for (i = 0; i < width; ++i) {
+ if (!v.vector[2]) {
+ buffer[i] = 0;
+ } else {
+ if (!affine) {
+ y = DIV(v.vector[1],v.vector[2]);
+ x = DIV(v.vector[0],v.vector[2]);
+ } else {
+ y = v.vector[1]>>16;
+ x = v.vector[0]>>16;
+ }
+ buffer[i] = ((x < box.x1) | (x >= box.x2) | (y < box.y1) | (y >= box.y2)) ?
+ 0 : fetch(bits + (y + pict->pDrawable->y)*stride, x + pict->pDrawable->x, indexed);
+ }
+ v.vector[0] += unit.vector[0];
+ v.vector[1] += unit.vector[1];
+ v.vector[2] += unit.vector[2];
+ }
+ } else {
+ for (i = 0; i < width; ++i) {
+ if (!v.vector[2]) {
+ buffer[i] = 0;
+ } else {
+ if (!affine) {
+ y = DIV(v.vector[1],v.vector[2]);
+ x = DIV(v.vector[0],v.vector[2]);
+ } else {
+ y = v.vector[1]>>16;
+ x = v.vector[0]>>16;
+ }
+ if (POINT_IN_REGION (0, pict->pCompositeClip, x, y, &box))
+ buffer[i] = fetch(bits + (y + pict->pDrawable->y)*stride, x + pict->pDrawable->x, indexed);
+ else
+ buffer[i] = 0;
+ }
+ v.vector[0] += unit.vector[0];
+ v.vector[1] += unit.vector[1];
+ v.vector[2] += unit.vector[2];
+ }
+ }
+ }
+ } else if (pict->filter == PictFilterBilinear) {
+ if (pict->repeatType == RepeatNormal) {
+ if (REGION_NUM_RECTS(pict->pCompositeClip) == 1) {
+ box = pict->pCompositeClip->extents;
+ for (i = 0; i < width; ++i) {
+ if (!v.vector[2]) {
+ buffer[i] = 0;
+ } else {
+ int x1, x2, y1, y2, distx, idistx, disty, idisty;
+ FbBits *b;
+ CARD32 tl, tr, bl, br, r;
+ CARD32 ft, fb;
+
+ if (!affine) {
+ xFixed_48_16 div;
+ div = ((xFixed_48_16)v.vector[0] << 16)/v.vector[2];
+ x1 = div >> 16;
+ distx = ((xFixed)div >> 8) & 0xff;
+ div = ((xFixed_48_16)v.vector[1] << 16)/v.vector[2];
+ y1 = div >> 16;
+ disty = ((xFixed)div >> 8) & 0xff;
+ } else {
+ x1 = v.vector[0] >> 16;
+ distx = (v.vector[0] >> 8) & 0xff;
+ y1 = v.vector[1] >> 16;
+ disty = (v.vector[1] >> 8) & 0xff;
+ }
+ x2 = x1 + 1;
+ y2 = y1 + 1;
+
+ idistx = 256 - distx;
+ idisty = 256 - disty;
+
+ x1 = MOD (x1, pict->pDrawable->width);
+ x2 = MOD (x2, pict->pDrawable->width);
+ y1 = MOD (y1, pict->pDrawable->height);
+ y2 = MOD (y2, pict->pDrawable->height);
+
+ b = bits + (y1 + pict->pDrawable->y)*stride;
+
+ tl = fetch(b, x1 + pict->pDrawable->x, indexed);
+ tr = fetch(b, x2 + pict->pDrawable->x, indexed);
+ b = bits + (y2 + pict->pDrawable->y)*stride;
+ bl = fetch(b, x1 + pict->pDrawable->x, indexed);
+ br = fetch(b, x2 + pict->pDrawable->x, indexed);
+
+ ft = FbGet8(tl,0) * idistx + FbGet8(tr,0) * distx;
+ fb = FbGet8(bl,0) * idistx + FbGet8(br,0) * distx;
+ r = (((ft * idisty + fb * disty) >> 16) & 0xff);
+ ft = FbGet8(tl,8) * idistx + FbGet8(tr,8) * distx;
+ fb = FbGet8(bl,8) * idistx + FbGet8(br,8) * distx;
+ r |= (((ft * idisty + fb * disty) >> 8) & 0xff00);
+ ft = FbGet8(tl,16) * idistx + FbGet8(tr,16) * distx;
+ fb = FbGet8(bl,16) * idistx + FbGet8(br,16) * distx;
+ r |= (((ft * idisty + fb * disty)) & 0xff0000);
+ ft = FbGet8(tl,24) * idistx + FbGet8(tr,24) * distx;
+ fb = FbGet8(bl,24) * idistx + FbGet8(br,24) * distx;
+ r |= (((ft * idisty + fb * disty) << 8) & 0xff000000);
+ buffer[i] = r;
+ }
+ v.vector[0] += unit.vector[0];
+ v.vector[1] += unit.vector[1];
+ v.vector[2] += unit.vector[2];
+ }
+ } else {
+ for (i = 0; i < width; ++i) {
+ if (!v.vector[2]) {
+ buffer[i] = 0;
+ } else {
+ int x1, x2, y1, y2, distx, idistx, disty, idisty;
+ FbBits *b;
+ CARD32 tl, tr, bl, br, r;
+ CARD32 ft, fb;
+
+ if (!affine) {
+ xFixed_48_16 div;
+ div = ((xFixed_48_16)v.vector[0] << 16)/v.vector[2];
+ x1 = div >> 16;
+ distx = ((xFixed)div >> 8) & 0xff;
+ div = ((xFixed_48_16)v.vector[1] << 16)/v.vector[2];
+ y1 = div >> 16;
+ disty = ((xFixed)div >> 8) & 0xff;
+ } else {
+ x1 = v.vector[0] >> 16;
+ distx = (v.vector[0] >> 8) & 0xff;
+ y1 = v.vector[1] >> 16;
+ disty = (v.vector[1] >> 8) & 0xff;
+ }
+ x2 = x1 + 1;
+ y2 = y1 + 1;
+
+ idistx = 256 - distx;
+ idisty = 256 - disty;
+
+ x1 = MOD (x1, pict->pDrawable->width);
+ x2 = MOD (x2, pict->pDrawable->width);
+ y1 = MOD (y1, pict->pDrawable->height);
+ y2 = MOD (y2, pict->pDrawable->height);
+
+ b = bits + (y1 + pict->pDrawable->y)*stride;
+
+ tl = POINT_IN_REGION(0, pict->pCompositeClip, x1, y1, &box)
+ ? fetch(b, x1 + pict->pDrawable->x, indexed) : 0;
+ tr = POINT_IN_REGION(0, pict->pCompositeClip, x2, y1, &box)
+ ? fetch(b, x2 + pict->pDrawable->x, indexed) : 0;
+ b = bits + (y2 + pict->pDrawable->y)*stride;
+ bl = POINT_IN_REGION(0, pict->pCompositeClip, x1, y2, &box)
+ ? fetch(b, x1 + pict->pDrawable->x, indexed) : 0;
+ br = POINT_IN_REGION(0, pict->pCompositeClip, x2, y2, &box)
+ ? fetch(b, x2 + pict->pDrawable->x, indexed) : 0;
+
+ ft = FbGet8(tl,0) * idistx + FbGet8(tr,0) * distx;
+ fb = FbGet8(bl,0) * idistx + FbGet8(br,0) * distx;
+ r = (((ft * idisty + fb * disty) >> 16) & 0xff);
+ ft = FbGet8(tl,8) * idistx + FbGet8(tr,8) * distx;
+ fb = FbGet8(bl,8) * idistx + FbGet8(br,8) * distx;
+ r |= (((ft * idisty + fb * disty) >> 8) & 0xff00);
+ ft = FbGet8(tl,16) * idistx + FbGet8(tr,16) * distx;
+ fb = FbGet8(bl,16) * idistx + FbGet8(br,16) * distx;
+ r |= (((ft * idisty + fb * disty)) & 0xff0000);
+ ft = FbGet8(tl,24) * idistx + FbGet8(tr,24) * distx;
+ fb = FbGet8(bl,24) * idistx + FbGet8(br,24) * distx;
+ r |= (((ft * idisty + fb * disty) << 8) & 0xff000000);
+ buffer[i] = r;
+ }
+ v.vector[0] += unit.vector[0];
+ v.vector[1] += unit.vector[1];
+ v.vector[2] += unit.vector[2];
+ }
+ }
+ } else {
+ if (REGION_NUM_RECTS(pict->pCompositeClip) == 1) {
+ box = pict->pCompositeClip->extents;
+ for (i = 0; i < width; ++i) {
+ if (!v.vector[2]) {
+ buffer[i] = 0;
+ } else {
+ int x1, x2, y1, y2, distx, idistx, disty, idisty, x_off;
+ FbBits *b;
+ CARD32 tl, tr, bl, br, r;
+ Bool x1_out, x2_out, y1_out, y2_out;
+ CARD32 ft, fb;
+
+ if (!affine) {
+ xFixed_48_16 div;
+ div = ((xFixed_48_16)v.vector[0] << 16)/v.vector[2];
+ x1 = div >> 16;
+ distx = ((xFixed)div >> 8) & 0xff;
+ div = ((xFixed_48_16)v.vector[1] << 16)/v.vector[2];
+ y1 = div >> 16;
+ disty = ((xFixed)div >> 8) & 0xff;
+ } else {
+ x1 = v.vector[0] >> 16;
+ distx = (v.vector[0] >> 8) & 0xff;
+ y1 = v.vector[1] >> 16;
+ disty = (v.vector[1] >> 8) & 0xff;
+ }
+ x2 = x1 + 1;
+ y2 = y1 + 1;
+
+ idistx = 256 - distx;
+ idisty = 256 - disty;
+
+ b = bits + (y1 + pict->pDrawable->y)*stride;
+ x_off = x1 + pict->pDrawable->x;
+
+ x1_out = (x1 < box.x1) | (x1 >= box.x2);
+ x2_out = (x2 < box.x1) | (x2 >= box.x2);
+ y1_out = (y1 < box.y1) | (y1 >= box.y2);
+ y2_out = (y2 < box.y1) | (y2 >= box.y2);
+
+ tl = x1_out|y1_out ? 0 : fetch(b, x_off, indexed);
+ tr = x2_out|y1_out ? 0 : fetch(b, x_off + 1, indexed);
+ b += stride;
+ bl = x1_out|y2_out ? 0 : fetch(b, x_off, indexed);
+ br = x2_out|y2_out ? 0 : fetch(b, x_off + 1, indexed);
+
+ ft = FbGet8(tl,0) * idistx + FbGet8(tr,0) * distx;
+ fb = FbGet8(bl,0) * idistx + FbGet8(br,0) * distx;
+ r = (((ft * idisty + fb * disty) >> 16) & 0xff);
+ ft = FbGet8(tl,8) * idistx + FbGet8(tr,8) * distx;
+ fb = FbGet8(bl,8) * idistx + FbGet8(br,8) * distx;
+ r |= (((ft * idisty + fb * disty) >> 8) & 0xff00);
+ ft = FbGet8(tl,16) * idistx + FbGet8(tr,16) * distx;
+ fb = FbGet8(bl,16) * idistx + FbGet8(br,16) * distx;
+ r |= (((ft * idisty + fb * disty)) & 0xff0000);
+ ft = FbGet8(tl,24) * idistx + FbGet8(tr,24) * distx;
+ fb = FbGet8(bl,24) * idistx + FbGet8(br,24) * distx;
+ r |= (((ft * idisty + fb * disty) << 8) & 0xff000000);
+ buffer[i] = r;
+ }
+ v.vector[0] += unit.vector[0];
+ v.vector[1] += unit.vector[1];
+ v.vector[2] += unit.vector[2];
+ }
+ } else {
+ for (i = 0; i < width; ++i) {
+ if (!v.vector[2]) {
+ buffer[i] = 0;
+ } else {
+ int x1, x2, y1, y2, distx, idistx, disty, idisty, x_off;
+ FbBits *b;
+ CARD32 tl, tr, bl, br, r;
+ CARD32 ft, fb;
+
+ if (!affine) {
+ xFixed_48_16 div;
+ div = ((xFixed_48_16)v.vector[0] << 16)/v.vector[2];
+ x1 = div >> 16;
+ distx = ((xFixed)div >> 8) & 0xff;
+ div = ((xFixed_48_16)v.vector[1] << 16)/v.vector[2];
+ y1 = div >> 16;
+ disty = ((xFixed)div >> 8) & 0xff;
+ } else {
+ x1 = v.vector[0] >> 16;
+ distx = (v.vector[0] >> 8) & 0xff;
+ y1 = v.vector[1] >> 16;
+ disty = (v.vector[1] >> 8) & 0xff;
+ }
+ x2 = x1 + 1;
+ y2 = y1 + 1;
+
+ idistx = 256 - distx;
+ idisty = 256 - disty;
+
+ b = bits + (y1 + pict->pDrawable->y)*stride;
+ x_off = x1 + pict->pDrawable->x;
+
+ tl = POINT_IN_REGION(0, pict->pCompositeClip, x1, y1, &box)
+ ? fetch(b, x_off, indexed) : 0;
+ tr = POINT_IN_REGION(0, pict->pCompositeClip, x2, y1, &box)
+ ? fetch(b, x_off + 1, indexed) : 0;
+ b += stride;
+ bl = POINT_IN_REGION(0, pict->pCompositeClip, x1, y2, &box)
+ ? fetch(b, x_off, indexed) : 0;
+ br = POINT_IN_REGION(0, pict->pCompositeClip, x2, y2, &box)
+ ? fetch(b, x_off + 1, indexed) : 0;
+
+ ft = FbGet8(tl,0) * idistx + FbGet8(tr,0) * distx;
+ fb = FbGet8(bl,0) * idistx + FbGet8(br,0) * distx;
+ r = (((ft * idisty + fb * disty) >> 16) & 0xff);
+ ft = FbGet8(tl,8) * idistx + FbGet8(tr,8) * distx;
+ fb = FbGet8(bl,8) * idistx + FbGet8(br,8) * distx;
+ r |= (((ft * idisty + fb * disty) >> 8) & 0xff00);
+ ft = FbGet8(tl,16) * idistx + FbGet8(tr,16) * distx;
+ fb = FbGet8(bl,16) * idistx + FbGet8(br,16) * distx;
+ r |= (((ft * idisty + fb * disty)) & 0xff0000);
+ ft = FbGet8(tl,24) * idistx + FbGet8(tr,24) * distx;
+ fb = FbGet8(bl,24) * idistx + FbGet8(br,24) * distx;
+ r |= (((ft * idisty + fb * disty) << 8) & 0xff000000);
+ buffer[i] = r;
+ }
+ v.vector[0] += unit.vector[0];
+ v.vector[1] += unit.vector[1];
+ v.vector[2] += unit.vector[2];
+ }
+ }
+ }
+ } else if (pict->filter == PictFilterConvolution) {
+ xFixed *params = pict->filter_params;
+ INT32 cwidth = xFixedToInt(params[0]);
+ INT32 cheight = xFixedToInt(params[1]);
+ int xoff = params[0] >> 1;
+ int yoff = params[1] >> 1;
+ params += 2;
+ for (i = 0; i < width; ++i) {
+ if (!v.vector[2]) {
+ buffer[i] = 0;
+ } else {
+ int x1, x2, y1, y2, x, y;
+ INT32 srtot, sgtot, sbtot, satot;
+ xFixed *p = params;
+
+ if (!affine) {
+ xFixed_48_16 tmp;
+ tmp = ((xFixed_48_16)v.vector[0] << 16)/v.vector[2] - xoff;
+ x1 = xFixedToInt(tmp);
+ tmp = ((xFixed_48_16)v.vector[1] << 16)/v.vector[2] - yoff;
+ y1 = xFixedToInt(tmp);
+ } else {
+ x1 = xFixedToInt(v.vector[0] - xoff);
+ y1 = xFixedToInt(v.vector[1] - yoff);
+ }
+ x2 = x1 + cwidth;
+ y2 = y1 + cheight;
+
+ srtot = sgtot = sbtot = satot = 0;
+
+ for (y = y1; y < y2; y++) {
+ int ty = (pict->repeatType == RepeatNormal) ? MOD (y, pict->pDrawable->height) : y;
+ for (x = x1; x < x2; x++) {
+ if (*p) {
+ int tx = (pict->repeatType == RepeatNormal) ? MOD (x, pict->pDrawable->width) : x;
+ if (POINT_IN_REGION (0, pict->pCompositeClip, tx, ty, &box)) {
+ FbBits *b = bits + (ty + pict->pDrawable->y)*stride;
+ CARD32 c = fetch(b, tx + pict->pDrawable->x, indexed);
+
+ srtot += Red(c) * *p;
+ sgtot += Green(c) * *p;
+ sbtot += Blue(c) * *p;
+ satot += Alpha(c) * *p;
+ }
+ }
+ p++;
+ }
+ }
+
+ if (satot < 0) satot = 0; else if (satot > 0xff) satot = 0xff;
+ if (srtot < 0) srtot = 0; else if (srtot > 0xff) srtot = 0xff;
+ if (sgtot < 0) sgtot = 0; else if (sgtot > 0xff) sgtot = 0xff;
+ if (sbtot < 0) sbtot = 0; else if (sbtot > 0xff) sbtot = 0xff;
+
+ buffer[i] = ((satot << 24) |
+ (srtot << 16) |
+ (sgtot << 8) |
+ (sbtot ));
+ }
+ v.vector[0] += unit.vector[0];
+ v.vector[1] += unit.vector[1];
+ v.vector[2] += unit.vector[2];
+ }
+ }
+}
+
+
+static void fbFetchExternalAlpha(PicturePtr pict, int x, int y, int width, CARD32 *buffer)
+{
+ int i;
+ CARD32 _alpha_buffer[SCANLINE_BUFFER_LENGTH];
+ CARD32 *alpha_buffer = _alpha_buffer;
+
+ if (!pict->alphaMap) {
+ fbFetchTransformed(pict, x, y, width, buffer);
+ return;
+ }
+ if (width > SCANLINE_BUFFER_LENGTH)
+ alpha_buffer = (CARD32 *) malloc(width*sizeof(CARD32));
+
+ fbFetchTransformed(pict, x, y, width, buffer);
+ fbFetchTransformed(pict->alphaMap, x - pict->alphaOrigin.x, y - pict->alphaOrigin.y, width, alpha_buffer);
+ for (i = 0; i < width; ++i) {
+ int a = alpha_buffer[i]>>24;
+ buffer[i] = (a << 24)
+ | (div_255(Red(buffer[i]) * a) << 16)
+ | (div_255(Green(buffer[i]) * a) << 8)
+ | (div_255(Blue(buffer[i]) * a));
+ }
+
+ if (alpha_buffer != _alpha_buffer)
+ free(alpha_buffer);
+}
+
+static void fbStore(PicturePtr pict, int x, int y, int width, CARD32 *buffer)
+{
+ FbBits *bits;
+ FbStride stride;
+ int bpp;
+ int xoff, yoff;
+ storeProc store = storeProcForPicture(pict);
+ miIndexedPtr indexed = (miIndexedPtr) pict->pFormat->index.devPrivate;
+
+ fbGetDrawable (pict->pDrawable, bits, stride, bpp, xoff, yoff);
+ x += xoff;
+ y += yoff;
+
+ bits += y*stride;
+ store(bits, buffer, x, width, indexed);
+}
+
+static void fbStoreExternalAlpha(PicturePtr pict, int x, int y, int width, CARD32 *buffer)
+{
+ FbBits *bits, *alpha_bits;
+ FbStride stride, astride;
+ int bpp, abpp;
+ int xoff, yoff;
+ int ax, ay;
+ storeProc store;
+ storeProc astore;
+ miIndexedPtr indexed = (miIndexedPtr) pict->pFormat->index.devPrivate;
+ miIndexedPtr aindexed;
+
+ if (!pict->alphaMap) {
+ fbStore(pict, x, y, width, buffer);
+ return;
+ }
+
+ store = storeProcForPicture(pict);
+ astore = storeProcForPicture(pict->alphaMap);
+ aindexed = (miIndexedPtr) pict->alphaMap->pFormat->index.devPrivate;
+
+ ax = x;
+ ay = y;
+
+ fbGetDrawable (pict->pDrawable, bits, stride, bpp, xoff, yoff);
+ x += xoff;
+ y += yoff;
+ fbGetDrawable (pict->alphaMap->pDrawable, alpha_bits, astride, abpp, xoff, yoff);
+ ax += xoff;
+ ay += yoff;
+
+ bits += y*stride;
+ alpha_bits += (ay - pict->alphaOrigin.y)*astride;
+
+
+ store(bits, buffer, x, width, indexed);
+ astore(alpha_bits, buffer, ax - pict->alphaOrigin.x, width, aindexed);
+}
+
+typedef void (*scanStoreProc)(PicturePtr , int , int , int , CARD32 *);
+typedef void (*scanFetchProc)(PicturePtr , int , int , int , CARD32 *);
+
+static void
+fbCompositeRect (const FbComposeData *data, CARD32 *scanline_buffer)
+{
+ CARD32 *src_buffer = scanline_buffer;
+ CARD32 *dest_buffer = src_buffer + data->width;
+ int i;
+ scanStoreProc store;
+ scanFetchProc fetchSrc = NULL, fetchMask = NULL, fetchDest = NULL;
+
+ if (data->op == PictOpClear)
+ fetchSrc = NULL;
+ else if (!data->src->pDrawable) {
+ if (data->src->pSourcePict)
+ fetchSrc = fbFetchSourcePict;
+ } else if (data->src->alphaMap)
+ fetchSrc = fbFetchExternalAlpha;
+ else if (data->src->repeatType == RepeatNormal &&
+ data->src->pDrawable->width == 1 && data->src->pDrawable->height == 1)
+ fetchSrc = fbFetchSolid;
+ else if (!data->src->transform && data->src->filter != PictFilterConvolution)
+ fetchSrc = fbFetch;
+ else
+ fetchSrc = fbFetchTransformed;
+
+ if (data->mask && data->op != PictOpClear) {
+ if (!data->mask->pDrawable) {
+ if (data->mask->pSourcePict)
+ fetchMask = fbFetchSourcePict;
+ } else if (data->mask->alphaMap)
+ fetchMask = fbFetchExternalAlpha;
+ else if (data->mask->repeatType == RepeatNormal
+ && data->mask->pDrawable->width == 1 && data->mask->pDrawable->height == 1)
+ fetchMask = fbFetchSolid;
+ else if (!data->mask->transform && data->mask->filter != PictFilterConvolution)
+ fetchMask = fbFetch;
+ else
+ fetchMask = fbFetchTransformed;
+ } else {
+ fetchMask = NULL;
+ }
+
+ if (data->dest->alphaMap) {
+ fetchDest = fbFetchExternalAlpha;
+ store = fbStoreExternalAlpha;
+ } else {
+ fetchDest = fbFetch;
+ store = fbStore;
+ }
+ if (data->op == PictOpClear || data->op == PictOpSrc)
+ fetchDest = NULL;
+
+ if (fetchSrc && fetchMask && data->mask && data->mask->componentAlpha && PICT_FORMAT_RGB(data->mask->format)) {
+ CARD32 *mask_buffer = dest_buffer + data->width;
+ CombineFuncC compose = composeFunctions.combineC[data->op];
+ if (!compose)
+ return;
+
+ for (i = 0; i < data->height; ++i)
+ {
+ /* fill first half of scanline with source */
+ fetchSrc(data->src, data->xSrc, data->ySrc + i, data->width, src_buffer);
+ fetchMask(data->mask, data->xMask, data->yMask + i, data->width, mask_buffer);
+
+ /* fill dest into second half of scanline */
+ if (fetchDest)
+ fetchDest(data->dest, data->xDest, data->yDest + i, data->width, dest_buffer);
+
+ /* blend */
+ compose(dest_buffer, src_buffer, mask_buffer, data->width);
+
+ /* write back */
+ store(data->dest, data->xDest, data->yDest + i, data->width, dest_buffer);
+ }
+ } else {
+
+ CombineFuncU compose = composeFunctions.combineU[data->op];
+ if (!compose)
+ return;
+
+ if (fetchSrc == fbFetchSolid && (!fetchMask || fetchMask == fbFetchSolid)) {
+ fetchSrc(data->src, data->xSrc, data->ySrc, data->width, src_buffer);
+ if (fetchMask) {
+ fetchMask(data->mask, data->xMask, data->yMask, data->width, dest_buffer);
+ composeFunctions.combineMaskU(src_buffer, dest_buffer, data->width);
+ }
+ fetchSrc = NULL;
+ fetchMask = NULL;
+ }
+
+ for (i = 0; i < data->height; ++i)
+ {
+ /* fill first half of scanline with source */
+ if (fetchSrc) {
+ fetchSrc(data->src, data->xSrc, data->ySrc + i, data->width, src_buffer);
+
+ /* add in mask */
+ if (fetchMask) {
+ fetchMask(data->mask, data->xMask, data->yMask + i, data->width, dest_buffer);
+ composeFunctions.combineMaskU(src_buffer, dest_buffer, data->width);
+ }
+ }
+
+ /* fill dest into second half of scanline */
+ if (fetchDest)
+ fetchDest(data->dest, data->xDest, data->yDest + i, data->width, dest_buffer);
+
+ /* blend */
+ compose(dest_buffer, src_buffer, data->width);
+
+ /* write back */
+ store(data->dest, data->xDest, data->yDest + i, data->width, dest_buffer);
+ }
+ }
+}
+
+void
+fbCompositeGeneral (CARD8 op,
+ PicturePtr pSrc,
+ PicturePtr pMask,
+ PicturePtr pDst,
+ INT16 xSrc,
+ INT16 ySrc,
+ INT16 xMask,
+ INT16 yMask,
+ INT16 xDst,
+ INT16 yDst,
+ CARD16 width,
+ CARD16 height)
+{
+ RegionRec region;
+ int n;
+ BoxPtr pbox;
+ Bool srcRepeat = FALSE;
+ Bool maskRepeat = FALSE;
+ int w, h;
+ CARD32 _scanline_buffer[SCANLINE_BUFFER_LENGTH*3];
+ CARD32 *scanline_buffer = _scanline_buffer;
+ FbComposeData compose_data;
+
+ if (pSrc->pDrawable)
+ srcRepeat = pSrc->repeatType == RepeatNormal && !pSrc->transform
+ && (pSrc->pDrawable->width != 1 || pSrc->pDrawable->height != 1);
+
+ if (pMask && pMask->pDrawable)
+ maskRepeat = pMask->repeatType == RepeatNormal && !pMask->transform
+ && (pMask->pDrawable->width != 1 || pMask->pDrawable->height != 1);
+
+ if (op == PictOpOver && !pMask && !pSrc->transform && !PICT_FORMAT_A(pSrc->format) && !pSrc->alphaMap)
+ op = PictOpSrc;
+
+ if (!miComputeCompositeRegion (&region,
+ pSrc,
+ pMask,
+ pDst,
+ xSrc,
+ ySrc,
+ xMask,
+ yMask,
+ xDst,
+ yDst,
+ width,
+ height))
+ return;
+
+ compose_data.op = op;
+ compose_data.src = pSrc;
+ compose_data.mask = pMask;
+ compose_data.dest = pDst;
+ if (width > SCANLINE_BUFFER_LENGTH)
+ scanline_buffer = (CARD32 *) malloc(width * 3 * sizeof(CARD32));
+
+ n = REGION_NUM_RECTS (&region);
+ pbox = REGION_RECTS (&region);
+ while (n--)
+ {
+ h = pbox->y2 - pbox->y1;
+ compose_data.ySrc = pbox->y1 - yDst + ySrc;
+ compose_data.yMask = pbox->y1 - yDst + yMask;
+ compose_data.yDest = pbox->y1;
+ while (h)
+ {
+ compose_data.height = h;
+ w = pbox->x2 - pbox->x1;
+ compose_data.xSrc = pbox->x1 - xDst + xSrc;
+ compose_data.xMask = pbox->x1 - xDst + xMask;
+ compose_data.xDest = pbox->x1;
+ if (maskRepeat)
+ {
+ compose_data.yMask = mod (compose_data.yMask, pMask->pDrawable->height);
+ if (compose_data.height > pMask->pDrawable->height - compose_data.yMask)
+ compose_data.height = pMask->pDrawable->height - compose_data.yMask;
+ }
+ if (srcRepeat)
+ {
+ compose_data.ySrc = mod (compose_data.ySrc, pSrc->pDrawable->height);
+ if (compose_data.height > pSrc->pDrawable->height - compose_data.ySrc)
+ compose_data.height = pSrc->pDrawable->height - compose_data.ySrc;
+ }
+ while (w)
+ {
+ compose_data.width = w;
+ if (maskRepeat)
+ {
+ compose_data.xMask = mod (compose_data.xMask, pMask->pDrawable->width);
+ if (compose_data.width > pMask->pDrawable->width - compose_data.xMask)
+ compose_data.width = pMask->pDrawable->width - compose_data.xMask;
+ }
+ if (srcRepeat)
+ {
+ compose_data.xSrc = mod (compose_data.xSrc, pSrc->pDrawable->width);
+ if (compose_data.width > pSrc->pDrawable->width - compose_data.xSrc)
+ compose_data.width = pSrc->pDrawable->width - compose_data.xSrc;
+ }
+ fbCompositeRect(&compose_data, scanline_buffer);
+ w -= compose_data.width;
+ compose_data.xSrc += compose_data.width;
+ compose_data.xMask += compose_data.width;
+ compose_data.xDest += compose_data.width;
+ }
+ h -= compose_data.height;
+ compose_data.ySrc += compose_data.height;
+ compose_data.yMask += compose_data.height;
+ compose_data.yDest += compose_data.height;
+ }
+ pbox++;
+ }
+ REGION_UNINIT (pDst->pDrawable->pScreen, &region);
+
+ if (scanline_buffer != _scanline_buffer)
+ free(scanline_buffer);
+}
+
+#endif
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-05 18:35:04 +0000