--- /dev/null
+/*
+ * Support for RENDER extension with rootless
+ */
+/*
+ * Copyright (c) 2002 Torrey T. Lyons. All Rights Reserved.
+ * Copyright (c) 2002 Apple Computer, Inc. All rights reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE ABOVE LISTED COPYRIGHT HOLDER(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ * Except as contained in this notice, the name(s) of the above copyright
+ * holders shall not be used in advertising or otherwise to promote the sale,
+ * use or other dealings in this Software without prior written authorization.
+ */
+/* This file is largely based on fbcompose.c and fbpict.c, which contain
+ * the following copyright:
+ *
+ * Copyright © 2000 Keith Packard, member of The XFree86 Project, Inc.
+ */
+ /* $XFree86: xc/programs/Xserver/hw/darwin/quartz/aquaPicture.c,v 1.3 2002/09/28 00:00:03 torrey Exp $ */
+
+#define DEFAULT_LOG_FORMATS 0
+
+#ifdef RENDER
+
+#include "fb.h"
+#include "picturestr.h"
+#include "mipict.h"
+#include "fbpict.h"
+#include "rootless.h"
+
+# define mod(a,b) ((b) == 1 ? 0 : (a) >= 0 ? (a) % (b) : (b) - (-a) % (b))
+
+
+// Replacement for fbStore_x8r8g8b8 that sets the alpha channel
+void
+RootlessStore_x8r8g8b8 (FbCompositeOperand *op, CARD32 value)
+{
+ FbBits *line = op->u.drawable.line; CARD32 offset = op->u.drawable.offset;
+ ((CARD32 *)line)[offset >> 5] = (value & 0xffffff) | 0xff000000;
+}
+
+
+// Defined in fbcompose.c
+extern FbCombineFunc fbCombineFuncU[];
+extern FbCombineFunc fbCombineFuncC[];
+
+void
+RootlessCompositeGeneral(
+ CARD8 op,
+ PicturePtr pSrc,
+ PicturePtr pMask,
+ PicturePtr pDst,
+ INT16 xSrc,
+ INT16 ySrc,
+ INT16 xMask,
+ INT16 yMask,
+ INT16 xDst,
+ INT16 yDst,
+ CARD16 width,
+ CARD16 height)
+{
+ FbCompositeOperand src[4],msk[4],dst[4],*pmsk;
+ FbCompositeOperand *srcPict, *srcAlpha;
+ FbCompositeOperand *dstPict, *dstAlpha;
+ FbCompositeOperand *mskPict = 0, *mskAlpha = 0;
+ FbCombineFunc f;
+ int w;
+
+ if (!fbBuildCompositeOperand (pSrc, src, xSrc, ySrc, TRUE, TRUE))
+ return;
+ if (!fbBuildCompositeOperand (pDst, dst, xDst, yDst, FALSE, TRUE))
+ return;
+
+ // Use Rootless operands for on screen picture formats
+ if (pDst->format == PICT_x8r8g8b8) {
+ dst[0].store = RootlessStore_x8r8g8b8;
+ }
+
+ if (pSrc->alphaMap)
+ {
+ srcPict = &src[1];
+ srcAlpha = &src[2];
+ }
+ else
+ {
+ srcPict = &src[0];
+ srcAlpha = 0;
+ }
+ if (pDst->alphaMap)
+ {
+ dstPict = &dst[1];
+ dstAlpha = &dst[2];
+ }
+ else
+ {
+ dstPict = &dst[0];
+ dstAlpha = 0;
+ }
+ f = fbCombineFuncU[op];
+ if (pMask)
+ {
+ if (!fbBuildCompositeOperand (pMask, msk, xMask, yMask, TRUE, TRUE))
+ return;
+ pmsk = msk;
+ if (pMask->componentAlpha)
+ f = fbCombineFuncC[op];
+ if (pMask->alphaMap)
+ {
+ mskPict = &msk[1];
+ mskAlpha = &msk[2];
+ }
+ else
+ {
+ mskPict = &msk[0];
+ mskAlpha = 0;
+ }
+ }
+ else
+ pmsk = 0;
+ while (height--)
+ {
+ w = width;
+
+ while (w--)
+ {
+ (*f) (src, pmsk, dst);
+ (*src->over) (src);
+ (*dst->over) (dst);
+ if (pmsk)
+ (*pmsk->over) (pmsk);
+ }
+ (*src->down) (src);
+ (*dst->down) (dst);
+ if (pmsk)
+ (*pmsk->down) (pmsk);
+ }
+}
+
+static int rootless_log_pict_formats = DEFAULT_LOG_FORMATS;
+
+static const char *op_name (int op)
+{
+ static const char *ops[] = {
+ "Clear", "Src", "Dst", "Over", "OverReverse", "In", "InReverse",
+ "Out", "OutReverse", "Atop", "AtopReverse", "Xor", "Add",
+ "Saturate", "Maximum",
+
+ "DisjointClear", "DisjointSrc", "DisjointDst", "DisjointOver",
+ "DisjointOverReverse", "DisjointIn", "DisjointInReverse",
+ "DisjointOut", "DisjointOutReverse", "DisjointAtop",
+ "DisjointAtopReverse", "DisjointXor", "DisjointMaximum",
+
+ "ConjointClear", "ConjointSrc", "ConjointDst", "ConjointOver",
+ "ConjointOverReverse", "ConjointIn", "ConjointInReverse",
+ "ConjointOut", "ConjointOutReverse", "ConjointAtop",
+ "ConjointAtopReverse", "ConjointXor", "ConjointMaximum",
+ };
+
+ if (op >= 0 && op < (int) (sizeof (ops) / sizeof (ops[0])))
+ return ops[op];
+ else
+ return "Unknown";
+}
+
+static const char *type_name (int type)
+{
+ switch (type)
+ {
+ case PICT_TYPE_OTHER:
+ return "Other";
+ case PICT_TYPE_A:
+ return "A";
+ case PICT_TYPE_ARGB:
+ return "ARGB";
+ case PICT_TYPE_ABGR:
+ return "ABGR";
+ case PICT_TYPE_COLOR:
+ return "Color";
+ case PICT_TYPE_GRAY:
+ return "Gray";
+ default:
+ return "Unknown";
+ }
+}
+
+static void log_format (int op, unsigned int src,
+ unsigned int dst, unsigned int mask)
+{
+ struct op {
+ int op;
+ unsigned int src, dst, mask;
+ };
+
+ static struct op *ops;
+ static int n_ops, allocated_ops;
+
+ int i;
+
+ for (i = 0; i < n_ops; i++)
+ {
+ if (ops[i].op == op && ops[i].src == src
+ && ops[i].dst == dst && ops[i].mask == mask)
+ {
+ return;
+ }
+ }
+
+ if (n_ops == allocated_ops)
+ {
+ allocated_ops *= 2;
+ ops = realloc (ops, allocated_ops * sizeof (struct op));
+ }
+
+ ops[n_ops].op = op;
+ ops[n_ops].src = src;
+ ops[n_ops].dst = dst;
+ ops[n_ops].mask = mask;
+ n_ops++;
+
+ fprintf (stderr,
+ "op: %s src (%dbpp %s %04x) dst (%dbpp %s %04x) mask (%dbpp %s %04x)\n",
+ op_name (op), PICT_FORMAT_BPP (src),
+ type_name (PICT_FORMAT_TYPE (src)),
+ src & 0xffff, PICT_FORMAT_BPP (dst),
+ type_name (PICT_FORMAT_TYPE (dst)),
+ dst & 0xffff, PICT_FORMAT_BPP (mask),
+ type_name (PICT_FORMAT_TYPE (mask)),
+ mask & 0xffff);
+}
+
+void
+RootlessComposite(
+ 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;
+ CompositeFunc func;
+ Bool srcRepeat = pSrc->repeat;
+ Bool maskRepeat = FALSE;
+ Bool srcAlphaMap = pSrc->alphaMap != 0;
+ Bool maskAlphaMap = FALSE;
+ Bool dstAlphaMap = pDst->alphaMap != 0;
+ int x_msk, y_msk, x_src, y_src, x_dst, y_dst;
+ int w, h, w_this, h_this;
+ int dstDepth = pDst->pDrawable->depth;
+
+ xDst += pDst->pDrawable->x;
+ yDst += pDst->pDrawable->y;
+ xSrc += pSrc->pDrawable->x;
+ ySrc += pSrc->pDrawable->y;
+ if (pMask)
+ {
+ xMask += pMask->pDrawable->x;
+ yMask += pMask->pDrawable->y;
+ maskRepeat = pMask->repeat;
+ maskAlphaMap = pMask->alphaMap != 0;
+ }
+
+ if (rootless_log_pict_formats)
+ {
+ log_format (op, pSrc->format, pDst->format,
+ pMask != 0 ? pMask->format : 0);
+ }
+
+ if (!miComputeCompositeRegion (®ion,
+ pSrc,
+ pMask,
+ pDst,
+ xSrc,
+ ySrc,
+ xMask,
+ yMask,
+ xDst,
+ yDst,
+ width,
+ height))
+ return;
+
+ if (pDst->pDrawable->type == DRAWABLE_WINDOW
+ && pDst->pDrawable->depth == 24
+ && pDst->pDrawable->bitsPerPixel == 32)
+ {
+ /* fbpict code sets bits above depth to zero. We don't want that! */
+
+ pDst->pDrawable->depth = 32;
+ }
+
+ func = RootlessCompositeGeneral;
+
+ if (!maskAlphaMap && !srcAlphaMap && !dstAlphaMap)
+ switch (op) {
+ case PictOpOver:
+ if (pMask)
+ {
+ if (srcRepeat &&
+ pSrc->pDrawable->width == 1 &&
+ pSrc->pDrawable->height == 1)
+ {
+ srcRepeat = FALSE;
+ if (PICT_FORMAT_COLOR(pSrc->format)) {
+ switch (pMask->format) {
+ case PICT_a8:
+ switch (pDst->format) {
+ case PICT_r5g6b5:
+ case PICT_b5g6r5:
+ func = fbCompositeSolidMask_nx8x0565;
+ break;
+ case PICT_r8g8b8:
+ case PICT_b8g8r8:
+ func = fbCompositeSolidMask_nx8x0888;
+ break;
+ case PICT_a8r8g8b8:
+ case PICT_x8r8g8b8:
+ case PICT_a8b8g8r8:
+ case PICT_x8b8g8r8:
+ func = fbCompositeSolidMask_nx8x8888;
+ break;
+ }
+ break;
+ case PICT_a8r8g8b8:
+ if (pMask->componentAlpha) {
+ switch (pDst->format) {
+ case PICT_a8r8g8b8:
+ case PICT_x8r8g8b8:
+ func = fbCompositeSolidMask_nx8888x8888C;
+ break;
+ case PICT_r5g6b5:
+ func = fbCompositeSolidMask_nx8888x0565C;
+ break;
+ }
+ }
+ break;
+ case PICT_a8b8g8r8:
+ if (pMask->componentAlpha) {
+ switch (pDst->format) {
+ case PICT_a8b8g8r8:
+ case PICT_x8b8g8r8:
+ func = fbCompositeSolidMask_nx8888x8888C;
+ break;
+ case PICT_b5g6r5:
+ func = fbCompositeSolidMask_nx8888x0565C;
+ break;
+ }
+ }
+ break;
+ case PICT_a1:
+ switch (pDst->format) {
+ case PICT_r5g6b5:
+ case PICT_b5g6r5:
+ case PICT_r8g8b8:
+ case PICT_b8g8r8:
+ case PICT_a8r8g8b8:
+ case PICT_x8r8g8b8:
+ case PICT_a8b8g8r8:
+ case PICT_x8b8g8r8:
+ func = fbCompositeSolidMask_nx1xn;
+ break;
+ }
+ }
+ }
+ }
+ }
+ else
+ {
+ switch (pSrc->format) {
+ case PICT_a8r8g8b8:
+ case PICT_x8r8g8b8:
+ switch (pDst->format) {
+ case PICT_a8r8g8b8:
+ case PICT_x8r8g8b8:
+ func = fbCompositeSrc_8888x8888;
+ break;
+ case PICT_r8g8b8:
+ func = fbCompositeSrc_8888x0888;
+ break;
+ case PICT_r5g6b5:
+ func = fbCompositeSrc_8888x0565;
+ break;
+ }
+ break;
+ case PICT_a8b8g8r8:
+ case PICT_x8b8g8r8:
+ switch (pDst->format) {
+ case PICT_a8b8g8r8:
+ case PICT_x8b8g8r8:
+ func = fbCompositeSrc_8888x8888;
+ break;
+ case PICT_b8g8r8:
+ func = fbCompositeSrc_8888x0888;
+ break;
+ case PICT_b5g6r5:
+ func = fbCompositeSrc_8888x0565;
+ break;
+ }
+ break;
+ case PICT_r5g6b5:
+ switch (pDst->format) {
+ case PICT_r5g6b5:
+ func = fbCompositeSrc_0565x0565;
+ break;
+ }
+ break;
+ case PICT_b5g6r5:
+ switch (pDst->format) {
+ case PICT_b5g6r5:
+ func = fbCompositeSrc_0565x0565;
+ break;
+ }
+ break;
+ }
+ }
+ break;
+ case PictOpAdd:
+ if (pMask == 0)
+ {
+ switch (pSrc->format) {
+ case PICT_a8r8g8b8:
+ switch (pDst->format) {
+ case PICT_a8r8g8b8:
+ func = fbCompositeSrcAdd_8888x8888;
+ break;
+ }
+ break;
+ case PICT_a8b8g8r8:
+ switch (pDst->format) {
+ case PICT_a8b8g8r8:
+ func = fbCompositeSrcAdd_8888x8888;
+ break;
+ }
+ break;
+ case PICT_a8:
+ switch (pDst->format) {
+ case PICT_a8:
+ func = fbCompositeSrcAdd_8000x8000;
+ break;
+ }
+ break;
+ case PICT_a1:
+ switch (pDst->format) {
+ case PICT_a1:
+ func = fbCompositeSrcAdd_1000x1000;
+ break;
+ }
+ break;
+ }
+ }
+ break;
+ }
+
+ n = REGION_NUM_RECTS (®ion);
+ pbox = REGION_RECTS (®ion);
+ while (n--)
+ {
+ h = pbox->y2 - pbox->y1;
+ y_src = pbox->y1 - yDst + ySrc;
+ y_msk = pbox->y1 - yDst + yMask;
+ y_dst = pbox->y1;
+ while (h)
+ {
+ h_this = h;
+ w = pbox->x2 - pbox->x1;
+ x_src = pbox->x1 - xDst + xSrc;
+ x_msk = pbox->x1 - xDst + xMask;
+ x_dst = pbox->x1;
+ if (maskRepeat)
+ {
+ y_msk = mod (y_msk, pMask->pDrawable->height);
+ if (h_this > pMask->pDrawable->height - y_msk)
+ h_this = pMask->pDrawable->height - y_msk;
+ }
+ if (srcRepeat)
+ {
+ y_src = mod (y_src, pSrc->pDrawable->height);
+ if (h_this > pSrc->pDrawable->height - y_src)
+ h_this = pSrc->pDrawable->height - y_src;
+ }
+ while (w)
+ {
+ w_this = w;
+ if (maskRepeat)
+ {
+ x_msk = mod (x_msk, pMask->pDrawable->width);
+ if (w_this > pMask->pDrawable->width - x_msk)
+ w_this = pMask->pDrawable->width - x_msk;
+ }
+ if (srcRepeat)
+ {
+ x_src = mod (x_src, pSrc->pDrawable->width);
+ if (w_this > pSrc->pDrawable->width - x_src)
+ w_this = pSrc->pDrawable->width - x_src;
+ }
+ (*func) (op, pSrc, pMask, pDst,
+ x_src, y_src, x_msk, y_msk, x_dst, y_dst,
+ w_this, h_this);
+ w -= w_this;
+ x_src += w_this;
+ x_msk += w_this;
+ x_dst += w_this;
+ }
+ h -= h_this;
+ y_src += h_this;
+ y_msk += h_this;
+ y_dst += h_this;
+ }
+ pbox++;
+ }
+ REGION_UNINIT (pDst->pDrawable->pScreen, ®ion);
+
+ pDst->pDrawable->depth = dstDepth;
+}
+
+#endif /* RENDER */
projects / synfig.git / blobdiff