diff options
Diffstat (limited to 'hw/xfree86/xaa/xaaPict.c')
-rw-r--r-- | hw/xfree86/xaa/xaaPict.c | 683 |
1 files changed, 683 insertions, 0 deletions
diff --git a/hw/xfree86/xaa/xaaPict.c b/hw/xfree86/xaa/xaaPict.c new file mode 100644 index 000000000..4b7e3d0f0 --- /dev/null +++ b/hw/xfree86/xaa/xaaPict.c @@ -0,0 +1,683 @@ +/* + * $XFree86: xc/programs/Xserver/hw/xfree86/xaa/xaaPict.c,v 1.17 2002/12/10 04:17:21 dawes Exp $ + * + * Copyright © 2000 Keith Packard, member of The XFree86 Project, Inc. + * + * Permission to use, copy, modify, distribute, and sell this software and its + * documentation for any purpose is hereby granted without fee, provided that + * the above copyright notice appear in all copies and that both that + * copyright notice and this permission notice appear in supporting + * documentation, and that the name of 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. + * + * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, + * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO + * EVENT SHALL KEITH PACKARD 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. + */ + +#include "misc.h" +#include "xf86.h" +#include "xf86_ansic.h" +#include "xf86_OSproc.h" + +#include "X.h" +#include "scrnintstr.h" +#include "pixmapstr.h" +#include "windowstr.h" +#include "xf86str.h" +#include "mi.h" +#include "picturestr.h" +#include "glyphstr.h" +#include "picture.h" +#include "mipict.h" +#include "xaa.h" +#include "xaalocal.h" +#include "xaawrap.h" +#include "xaacexp.h" +#include "xf86fbman.h" +#include "servermd.h" + +Bool +XAAGetPixelFromRGBA ( + CARD32 *pixel, + CARD16 red, + CARD16 green, + CARD16 blue, + CARD16 alpha, + CARD32 format +){ + int rbits, bbits, gbits, abits; + int rshift, bshift, gshift, ashift; + + *pixel = 0; + + if(!PICT_FORMAT_COLOR(format)) + return FALSE; + + rbits = PICT_FORMAT_R(format); + gbits = PICT_FORMAT_G(format); + bbits = PICT_FORMAT_B(format); + abits = PICT_FORMAT_A(format); + + if(PICT_FORMAT_TYPE(format) == PICT_TYPE_ARGB) { + bshift = 0; + gshift = bbits; + rshift = gshift + gbits; + ashift = rshift + rbits; + } else { /* PICT_TYPE_ABGR */ + rshift = 0; + gshift = rbits; + bshift = gshift + gbits; + ashift = bshift + bbits; + } + + *pixel |= ( blue >> (16 - bbits)) << bshift; + *pixel |= ( red >> (16 - rbits)) << rshift; + *pixel |= (green >> (16 - gbits)) << gshift; + *pixel |= (alpha >> (16 - abits)) << ashift; + + return TRUE; +} + + +Bool +XAAGetRGBAFromPixel( + CARD32 pixel, + CARD16 *red, + CARD16 *green, + CARD16 *blue, + CARD16 *alpha, + CARD32 format +){ + int rbits, bbits, gbits, abits; + int rshift, bshift, gshift, ashift; + + if(!PICT_FORMAT_COLOR(format)) + return FALSE; + + rbits = PICT_FORMAT_R(format); + gbits = PICT_FORMAT_G(format); + bbits = PICT_FORMAT_B(format); + abits = PICT_FORMAT_A(format); + + if(PICT_FORMAT_TYPE(format) == PICT_TYPE_ARGB) { + bshift = 0; + gshift = bbits; + rshift = gshift + gbits; + ashift = rshift + rbits; + } else { /* PICT_TYPE_ABGR */ + rshift = 0; + gshift = rbits; + bshift = gshift + gbits; + ashift = bshift + bbits; + } + + *red = ((pixel >> rshift ) & ((1 << rbits) - 1)) << (16 - rbits); + while(rbits < 16) { + *red |= *red >> rbits; + rbits <<= 1; + } + + *green = ((pixel >> gshift ) & ((1 << gbits) - 1)) << (16 - gbits); + while(gbits < 16) { + *green |= *green >> gbits; + gbits <<= 1; + } + + *blue = ((pixel >> bshift ) & ((1 << bbits) - 1)) << (16 - bbits); + while(bbits < 16) { + *blue |= *blue >> bbits; + bbits <<= 1; + } + + if(abits) { + *alpha = ((pixel >> ashift ) & ((1 << abits) - 1)) << (16 - abits); + while(abits < 16) { + *alpha |= *alpha >> abits; + abits <<= 1; + } + } else *alpha = 0xffff; + + return TRUE; +} + +/* 8:8:8 + PICT_a8 -> 8:8:8:8 texture */ + +void +XAA_888_plus_PICT_a8_to_8888 ( + CARD32 color, + CARD8 *alphaPtr, /* in bytes */ + int alphaPitch, + CARD32 *dstPtr, + int dstPitch, /* in dwords */ + int width, + int height +){ + int x; + + color &= 0x00ffffff; + + while(height--) { + for(x = 0; x < width; x++) + dstPtr[x] = color | (alphaPtr[x] << 24); + dstPtr += dstPitch; + alphaPtr += alphaPitch; + } +} + +Bool +XAADoComposite ( + CARD8 op, + PicturePtr pSrc, + PicturePtr pMask, + PicturePtr pDst, + INT16 xSrc, + INT16 ySrc, + INT16 xMask, + INT16 yMask, + INT16 xDst, + INT16 yDst, + CARD16 width, + CARD16 height +){ + ScreenPtr pScreen = pDst->pDrawable->pScreen; + XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_SCREEN(pScreen); + RegionRec region; + CARD32 *formats; + int flags = 0; + BoxPtr pbox; + int nbox, w, h; + + if(!REGION_NUM_RECTS(pDst->pCompositeClip)) + return TRUE; + + if(!infoRec->pScrn->vtSema || + ((pDst->pDrawable->type != DRAWABLE_WINDOW) && + !IS_OFFSCREEN_PIXMAP(pDst->pDrawable))) + return FALSE; + + if((pSrc->pDrawable->type != DRAWABLE_PIXMAP) || + IS_OFFSCREEN_PIXMAP(pSrc->pDrawable)) + return FALSE; + + if (pSrc->transform || (pMask && pMask->transform)) + return FALSE; + + if (pDst->alphaMap || pSrc->alphaMap || (pMask && pMask->alphaMap)) + return FALSE; + + xDst += pDst->pDrawable->x; + yDst += pDst->pDrawable->y; + xSrc += pSrc->pDrawable->x; + ySrc += pSrc->pDrawable->y; + + if(pMask) { + /* for now we only do it if there is a 1x1 (solid) source */ + + if((pSrc->pDrawable->width == 1) && (pSrc->pDrawable->height == 1)) { + CARD16 red, green, blue, alpha; + CARD32 pixel = + *((CARD32*)(((PixmapPtr)(pSrc->pDrawable))->devPrivate.ptr)); + + if(!XAAGetRGBAFromPixel(pixel,&red,&green,&blue,&alpha,pSrc->format)) + return FALSE; + + xMask += pMask->pDrawable->x; + yMask += pMask->pDrawable->y; + + /* pull out color expandable operations here */ + if((pMask->format == PICT_a1) && (alpha == 0xffff) && + (op == PictOpOver) && infoRec->WriteBitmap && !pMask->repeat && + !(infoRec->WriteBitmapFlags & NO_TRANSPARENCY) && + (!(infoRec->WriteBitmapFlags & RGB_EQUAL) || + ((red == green) && (green == blue)))) + { + PixmapPtr pPix = (PixmapPtr)(pMask->pDrawable); + int skipleft; + + if (!miComputeCompositeRegion (®ion, pSrc, pMask, pDst, + xSrc, ySrc, xMask, yMask, xDst, yDst, + width, height)) + return TRUE; + + nbox = REGION_NUM_RECTS(®ion); + pbox = REGION_RECTS(®ion); + + if(!nbox) + return TRUE; + + XAAGetPixelFromRGBA(&pixel, red, green, blue, 0, pDst->format); + + xMask -= xDst; + yMask -= yDst; + + while(nbox--) { + skipleft = pbox->x1 + xMask; + + (*infoRec->WriteBitmap)(infoRec->pScrn, + pbox->x1, pbox->y1, + pbox->x2 - pbox->x1, pbox->y2 - pbox->y1, + (unsigned char*)(pPix->devPrivate.ptr) + + (pPix->devKind * (pbox->y1 + yMask)) + + ((skipleft >> 3) & ~3), pPix->devKind, + skipleft & 31, pixel, -1, GXcopy, ~0); + pbox++; + } + + /* WriteBitmap sets the Sync flag */ + REGION_UNINIT(pScreen, ®ion); + return TRUE; + } + + if(!(formats = infoRec->CPUToScreenAlphaTextureFormats)) + return FALSE; + + w = pMask->pDrawable->width; + h = pMask->pDrawable->height; + + if(pMask->repeat) { + if((infoRec->CPUToScreenAlphaTextureFlags & XAA_RENDER_NO_TILE) || + ((infoRec->CPUToScreenAlphaTextureFlags & + XAA_RENDER_POWER_OF_2_TILE_ONLY) && + ((h & (h - 1)) || (w & (w - 1))))) + { + return FALSE; + } + flags |= XAA_RENDER_REPEAT; + } + + if((alpha != 0xffff) && + (infoRec->CPUToScreenAlphaTextureFlags & XAA_RENDER_NO_SRC_ALPHA)) + return FALSE; + + while(*formats != pMask->format) { + if(!(*formats)) return FALSE; + formats++; + } + + if (!miComputeCompositeRegion (®ion, pSrc, pMask, pDst, + xSrc, ySrc, xMask, yMask, xDst, yDst, + width, height)) + return TRUE; + + nbox = REGION_NUM_RECTS(®ion); + pbox = REGION_RECTS(®ion); + + if(!nbox) { + REGION_UNINIT(pScreen, ®ion); + return TRUE; + } + + if(!(infoRec->SetupForCPUToScreenAlphaTexture)(infoRec->pScrn, + op, red, green, blue, alpha, pMask->format, + ((PixmapPtr)(pMask->pDrawable))->devPrivate.ptr, + ((PixmapPtr)(pMask->pDrawable))->devKind, + w, h, flags)) + { + REGION_UNINIT(pScreen, ®ion); + return FALSE; + } + + xMask -= xDst; + yMask -= yDst; + + while(nbox--) { + (*infoRec->SubsequentCPUToScreenAlphaTexture)(infoRec->pScrn, + pbox->x1, pbox->y1, + pbox->x1 + xMask, pbox->y1 + yMask, + pbox->x2 - pbox->x1, pbox->y2 - pbox->y1); + pbox++; + } + + SET_SYNC_FLAG(infoRec); + REGION_UNINIT(pScreen, ®ion); + return TRUE; + } + } else { + if(!(formats = infoRec->CPUToScreenTextureFormats)) + return FALSE; + + w = pSrc->pDrawable->width; + h = pSrc->pDrawable->height; + + if(pSrc->repeat) { + if((infoRec->CPUToScreenTextureFlags & XAA_RENDER_NO_TILE) || + ((infoRec->CPUToScreenTextureFlags & + XAA_RENDER_POWER_OF_2_TILE_ONLY) && + ((h & (h - 1)) || (w & (w - 1))))) + { + return FALSE; + } + flags |= XAA_RENDER_REPEAT; + } + + + while(*formats != pSrc->format) { + if(!(*formats)) return FALSE; + formats++; + } + + if (!miComputeCompositeRegion (®ion, pSrc, pMask, pDst, + xSrc, ySrc, xMask, yMask, xDst, yDst, + width, height)) + return TRUE; + + nbox = REGION_NUM_RECTS(®ion); + pbox = REGION_RECTS(®ion); + + if(!nbox) { + REGION_UNINIT(pScreen, ®ion); + return TRUE; + } + + if(!(infoRec->SetupForCPUToScreenTexture)(infoRec->pScrn, + op, pSrc->format, + ((PixmapPtr)(pSrc->pDrawable))->devPrivate.ptr, + ((PixmapPtr)(pSrc->pDrawable))->devKind, + w, h, flags)) + { + REGION_UNINIT(pScreen, ®ion); + return FALSE; + } + + + xSrc -= xDst; + ySrc -= yDst; + + while(nbox--) { + (*infoRec->SubsequentCPUToScreenTexture)(infoRec->pScrn, + pbox->x1, pbox->y1, + pbox->x1 + xSrc, pbox->y1 + ySrc, + pbox->x2 - pbox->x1, pbox->y2 - pbox->y1); + pbox++; + } + + SET_SYNC_FLAG(infoRec); + REGION_UNINIT(pScreen, ®ion); + return TRUE; + } + + + return FALSE; +} + + +void +XAAComposite (CARD8 op, + PicturePtr pSrc, + PicturePtr pMask, + PicturePtr pDst, + INT16 xSrc, + INT16 ySrc, + INT16 xMask, + INT16 yMask, + INT16 xDst, + INT16 yDst, + CARD16 width, + CARD16 height) +{ + ScreenPtr pScreen = pDst->pDrawable->pScreen; + XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_SCREEN(pScreen); + XAA_RENDER_PROLOGUE(pScreen, Composite); + + if(!infoRec->Composite || + !(*infoRec->Composite)(op, pSrc, pMask, pDst, + xSrc, ySrc, xMask, yMask, xDst, yDst, + width, height)) + { + if(pSrc->pDrawable->type == DRAWABLE_WINDOW || + pDst->pDrawable->type == DRAWABLE_WINDOW || + IS_OFFSCREEN_PIXMAP(pSrc->pDrawable) || + IS_OFFSCREEN_PIXMAP(pDst->pDrawable)) { + SYNC_CHECK(pDst->pDrawable); + } + (*GetPictureScreen(pScreen)->Composite) (op, + pSrc, + pMask, + pDst, + xSrc, + ySrc, + xMask, + yMask, + xDst, + yDst, + width, + height); + } + + if(pDst->pDrawable->type == DRAWABLE_PIXMAP) + (XAA_GET_PIXMAP_PRIVATE((PixmapPtr)(pDst->pDrawable)))->flags |= DIRTY; + + XAA_RENDER_EPILOGUE(pScreen, Composite, XAAComposite); +} + +Bool +XAADoGlyphs (CARD8 op, + PicturePtr pSrc, + PicturePtr pDst, + PictFormatPtr maskFormat, + INT16 xSrc, + INT16 ySrc, + int nlist, + GlyphListPtr list, + GlyphPtr *glyphs) +{ + ScreenPtr pScreen = pDst->pDrawable->pScreen; + XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_SCREEN(pScreen); + + if(!REGION_NUM_RECTS(pDst->pCompositeClip)) + return TRUE; + + if(!infoRec->pScrn->vtSema || + ((pDst->pDrawable->type != DRAWABLE_WINDOW) && + !IS_OFFSCREEN_PIXMAP(pDst->pDrawable))) + return FALSE; + + if((pSrc->pDrawable->type != DRAWABLE_PIXMAP) || + IS_OFFSCREEN_PIXMAP(pSrc->pDrawable)) + return FALSE; + + if(maskFormat && (maskFormat->depth == 1) && + (pSrc->pDrawable->width == 1) && (pSrc->pDrawable->height == 1) && + (op == PictOpOver) && infoRec->WriteBitmap && + !(infoRec->WriteBitmapFlags & NO_TRANSPARENCY)) + { + CARD16 red, green, blue, alpha; + CARD32 pixel = + *((CARD32*)(((PixmapPtr)(pSrc->pDrawable))->devPrivate.ptr)); + CARD32 *bits, *pntr, *pnt; + int x, y, i, n, left, top, right, bottom, width, height, pitch; + int L, T, R, B, X, Y, h, w, dwords, row, column, nbox; + int leftEdge, rightEdge, topLine, botLine; + BoxPtr pbox; + GlyphPtr glyph; + + if(!XAAGetRGBAFromPixel(pixel,&red,&green,&blue,&alpha,pSrc->format)) + return FALSE; + + if(alpha != 0xffff) return FALSE; + + XAAGetPixelFromRGBA(&pixel, red, green, blue, 0, pDst->format); + + if((infoRec->WriteBitmapFlags & RGB_EQUAL) && !((red == green) && (green == blue))) + return FALSE; + + x = pDst->pDrawable->x; + y = pDst->pDrawable->y; + + while(nlist--) { + x += list->xOff; + y += list->yOff; + left = right = X = x; + top = bottom = Y = y; + for(i = 0; i < list->len; i++) { + glyph = glyphs[i]; + + L = X - glyph->info.x; + if(L < left) left = L; + R = L + glyph->info.width; + if(R > right) right = R; + + T = Y - glyph->info.y; + if(T < top) top = T; + B = T + glyph->info.height; + if(B > bottom) bottom = B; + + X += glyph->info.xOff; + Y += glyph->info.yOff; + } + + width = right - left; + height = bottom - top; + + if(width && height) { + pitch = (((width + 31) & ~31) >> 5) + 1; + pntr = (CARD32*)xalloc(sizeof(CARD32) * pitch * height); + if(!pntr) + return TRUE; + bzero(pntr, sizeof(CARD32) * pitch * height); + n = list->len; + + X = x; Y = y; + while(n--) { + glyph = *glyphs++; + h = glyph->info.height; + w = glyph->info.width; + if(h && w) { + row = y - top - glyph->info.y; + column = x - left - glyph->info.x; + pnt = pntr + (row * pitch) + (column >> 5); + column &= 31; + dwords = ((w + 31) >> 5) - 1; + bits = (CARD32*)(glyph + 1); + if(dwords) { + while(h--) { + for(i = 0; i <= dwords; i++) { + if(column) { + pnt[i] |= SHIFT_L(*bits, column); + pnt[i + 1] |= SHIFT_R(*bits, 32 - column); + } else + pnt[i] |= *bits; + + if(i != dwords) bits++; + } + bits++; + pnt += pitch; + } + } else { + if(column) { + while(h--) { + pnt[0] |= SHIFT_L(*bits, column); + pnt[0 + 1] |= SHIFT_R(*bits, 32 - column); + bits++; + pnt += pitch; + } + } else { + while(h--) { + *pnt |= *bits++; + pnt += pitch; + } + } + } + } + x += glyph->info.xOff; + y += glyph->info.yOff; + } + + nbox = REGION_NUM_RECTS(pDst->pCompositeClip); + pbox = REGION_RECTS(pDst->pCompositeClip); + + while(nbox && (top >= pbox->y2)) { + pbox++; nbox--; + } + + while(nbox && (bottom > pbox->y1)) { + leftEdge = max(left, pbox->x1); + rightEdge = min(right, pbox->x2); + + if(rightEdge > leftEdge) { + column = leftEdge - left; + topLine = max(top, pbox->y1); + botLine = min(bottom, pbox->y2); + h = botLine - topLine; + + if(h > 0) { + (*infoRec->WriteBitmap)(infoRec->pScrn, + leftEdge, topLine, rightEdge - leftEdge, h, + (unsigned char*)(pntr + + ((topLine - top) * pitch) + (column >> 5)), + pitch << 2, column & 31, pixel, -1, GXcopy, ~0); + } + } + nbox--; pbox++; + } + xfree(pntr); + } else { + x = X; y = Y; + } + list++; + } + + return TRUE; + } + + /* + * If it looks like we have a chance of being able to draw these + * glyphs with an accelerated Composite, do that now to avoid + * unneeded and costly syncs. + */ + if(maskFormat) { + if(!infoRec->CPUToScreenAlphaTextureFormats) + return FALSE; + } else { + if(!infoRec->CPUToScreenTextureFormats) + return FALSE; + } + + miGlyphs(op, pSrc, pDst, maskFormat, xSrc, ySrc, nlist, list, glyphs); + + return TRUE; +} + + +void +XAAGlyphs (CARD8 op, + PicturePtr pSrc, + PicturePtr pDst, + PictFormatPtr maskFormat, + INT16 xSrc, + INT16 ySrc, + int nlist, + GlyphListPtr list, + GlyphPtr *glyphs) +{ + ScreenPtr pScreen = pDst->pDrawable->pScreen; + XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_SCREEN(pScreen); + XAA_RENDER_PROLOGUE(pScreen, Glyphs); + + if(!infoRec->Glyphs || + !(*infoRec->Glyphs)(op, pSrc, pDst, maskFormat, + xSrc, ySrc, nlist, list, glyphs)) + { + if((pSrc->pDrawable->type == DRAWABLE_WINDOW) || + (pDst->pDrawable->type == DRAWABLE_WINDOW) || + IS_OFFSCREEN_PIXMAP(pSrc->pDrawable) || + IS_OFFSCREEN_PIXMAP(pDst->pDrawable)) { + SYNC_CHECK(pDst->pDrawable); + } + (*GetPictureScreen(pScreen)->Glyphs) (op, pSrc, pDst, maskFormat, + xSrc, ySrc, nlist, list, glyphs); + } + + if(pDst->pDrawable->type == DRAWABLE_PIXMAP) + (XAA_GET_PIXMAP_PRIVATE((PixmapPtr)(pDst->pDrawable)))->flags |= DIRTY; + + XAA_RENDER_EPILOGUE(pScreen, Glyphs, XAAGlyphs); +} |