/* * $XdotOrg: xc/programs/Xserver/fb/fbcompose.c,v 1.23 2005/10/03 11:43:55 anholt 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 #endif #include "fb.h" #ifdef RENDER #include "picturestr.h" #include "mipict.h" #include "fbpict.h" #include #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 (®ion, 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 (®ion); pbox = REGION_RECTS (®ion); 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, ®ion); if (scanline_buffer != _scanline_buffer) free(scanline_buffer); } #endif