diff options
Diffstat (limited to 'fb/fbpict.h')
-rw-r--r-- | fb/fbpict.h | 416 |
1 files changed, 0 insertions, 416 deletions
diff --git a/fb/fbpict.h b/fb/fbpict.h index b89f90ff1..9abced17f 100644 --- a/fb/fbpict.h +++ b/fb/fbpict.h @@ -28,392 +28,6 @@ #ifndef _FBPICT_H_ #define _FBPICT_H_ -#include "renderedge.h" - - -#if defined(__GNUC__) -#define INLINE __inline__ -#else -#define INLINE -#endif - -#define FbIntMult(a,b,t) ( (t) = (a) * (b) + 0x80, ( ( ( (t)>>8 ) + (t) )>>8 ) ) -#define FbIntDiv(a,b) (((CARD16) (a) * 255) / (b)) - -#define FbGet8(v,i) ((CARD16) (CARD8) ((v) >> i)) - -/* - * There are two ways of handling alpha -- either as a single unified value or - * a separate value for each component, hence each macro must have two - * versions. The unified alpha version has a 'U' at the end of the name, - * the component version has a 'C'. Similarly, functions which deal with - * this difference will have two versions using the same convention. - */ - -#define FbOverU(x,y,i,a,t) ((t) = FbIntMult(FbGet8(y,i),(a),(t)) + FbGet8(x,i),\ - (CARD32) ((CARD8) ((t) | (0 - ((t) >> 8)))) << (i)) - -#define FbOverC(x,y,i,a,t) ((t) = FbIntMult(FbGet8(y,i),FbGet8(a,i),(t)) + FbGet8(x,i),\ - (CARD32) ((CARD8) ((t) | (0 - ((t) >> 8)))) << (i)) - -#define FbInU(x,i,a,t) ((CARD32) FbIntMult(FbGet8(x,i),(a),(t)) << (i)) - -#define FbInC(x,i,a,t) ((CARD32) FbIntMult(FbGet8(x,i),FbGet8(a,i),(t)) << (i)) - -#define FbGen(x,y,i,ax,ay,t,u,v) ((t) = (FbIntMult(FbGet8(y,i),ay,(u)) + \ - FbIntMult(FbGet8(x,i),ax,(v))),\ - (CARD32) ((CARD8) ((t) | \ - (0 - ((t) >> 8)))) << (i)) - -#define FbAdd(x,y,i,t) ((t) = FbGet8(x,i) + FbGet8(y,i), \ - (CARD32) ((CARD8) ((t) | (0 - ((t) >> 8)))) << (i)) - - -#define Alpha(x) ((x) >> 24) -#define Red(x) (((x) >> 16) & 0xff) -#define Green(x) (((x) >> 8) & 0xff) -#define Blue(x) ((x) & 0xff) - -/** - * Returns TRUE if the fbComposeGetSolid can be used to get a single solid - * color representing every source sampling location of the picture. - */ -static INLINE Bool -fbCanGetSolid(PicturePtr pict) -{ - if (pict->pDrawable == NULL || - pict->pDrawable->width != 1 || - pict->pDrawable->height != 1) - { - return FALSE; - } - if (pict->repeat != RepeatNormal) - return FALSE; - - switch (pict->format) { - case PICT_a8r8g8b8: - case PICT_x8r8g8b8: - case PICT_a8b8g8r8: - case PICT_x8b8g8r8: - case PICT_b8g8r8a8: - case PICT_b8g8r8x8: - case PICT_r8g8b8: - case PICT_b8g8r8: - case PICT_r5g6b5: - case PICT_b5g6r5: - return TRUE; - default: - return FALSE; - } -} - -#define fbComposeGetSolid(pict, bits, fmt) { \ - FbBits *__bits__; \ - FbStride __stride__; \ - int __bpp__; \ - int __xoff__,__yoff__; \ -\ - fbGetDrawable((pict)->pDrawable,__bits__,__stride__,__bpp__,__xoff__,__yoff__); \ - switch (__bpp__) { \ - case 32: \ - (bits) = READ((CARD32 *) __bits__); \ - break; \ - case 24: \ - (bits) = Fetch24 ((CARD8 *) __bits__); \ - break; \ - case 16: \ - (bits) = READ((CARD16 *) __bits__); \ - (bits) = cvt0565to0888(bits); \ - break; \ - case 8: \ - (bits) = READ((CARD8 *) __bits__); \ - (bits) = (bits) << 24; \ - break; \ - case 1: \ - (bits) = READ((CARD32 *) __bits__); \ - (bits) = FbLeftStipBits((bits),1) ? 0xff000000 : 0x00000000;\ - break; \ - default: \ - return; \ - } \ - /* If necessary, convert RGB <--> BGR. */ \ - if (PICT_FORMAT_TYPE((pict)->format) != PICT_FORMAT_TYPE(fmt)) \ - { \ - (bits) = (((bits) & 0xff000000) | \ - (((bits) & 0x00ff0000) >> 16) | \ - (((bits) & 0x0000ff00) >> 0) | \ - (((bits) & 0x000000ff) << 16)); \ - } \ - /* manage missing src alpha */ \ - if ((pict)->pFormat->direct.alphaMask == 0) \ - (bits) |= 0xff000000; \ - fbFinishAccess ((pict)->pDrawable); \ -} - -#define fbComposeGetStart(pict,x,y,type,stride,line,mul) {\ - FbBits *__bits__; \ - FbStride __stride__; \ - int __bpp__; \ - int __xoff__,__yoff__; \ -\ - fbGetDrawable((pict)->pDrawable,__bits__,__stride__,__bpp__,__xoff__,__yoff__); \ - (stride) = __stride__ * sizeof (FbBits) / sizeof (type); \ - (line) = ((type *) __bits__) + (stride) * ((y) + __yoff__) + (mul) * ((x) + __xoff__); \ -} -#define cvt8888to0565(s) ((((s) >> 3) & 0x001f) | \ - (((s) >> 5) & 0x07e0) | \ - (((s) >> 8) & 0xf800)) -#define cvt0565to0888(s) (((((s) << 3) & 0xf8) | (((s) >> 2) & 0x7)) | \ - ((((s) << 5) & 0xfc00) | (((s) >> 1) & 0x300)) | \ - ((((s) << 8) & 0xf80000) | (((s) << 3) & 0x70000))) - -#if IMAGE_BYTE_ORDER == MSBFirst -#define Fetch24(a) ((unsigned long) (a) & 1 ? \ - ((READ(a) << 16) | READ((CARD16 *) ((a)+1))) : \ - ((READ((CARD16 *) (a)) << 8) | READ((a)+2))) -#define Store24(a,v) ((unsigned long) (a) & 1 ? \ - (WRITE(a, (CARD8) ((v) >> 16)), \ - WRITE((CARD16 *) ((a)+1), (CARD16) (v))) : \ - (WRITE((CARD16 *) (a), (CARD16) ((v) >> 8)), \ - WRITE((a)+2, (CARD8) (v)))) -#else -#define Fetch24(a) ((unsigned long) (a) & 1 ? \ - (READ(a) | (READ((CARD16 *) ((a)+1)) << 8)) : \ - (READ((CARD16 *) (a)) | (READ((a)+2) << 16))) -#define Store24(a,v) ((unsigned long) (a) & 1 ? \ - (WRITE(a, (CARD8) (v)), \ - WRITE((CARD16 *) ((a)+1), (CARD16) ((v) >> 8))) : \ - (WRITE((CARD16 *) (a), (CARD16) (v)),\ - WRITE((a)+2, (CARD8) ((v) >> 16)))) -#endif - -/* - The methods below use some tricks to be able to do two color - components at the same time. -*/ - -/* - x_c = (x_c * a) / 255 -*/ -#define FbByteMul(x, a) do { \ - CARD32 t = ((x & 0xff00ff) * a) + 0x800080; \ - t = (t + ((t >> 8) & 0xff00ff)) >> 8; \ - t &= 0xff00ff; \ - \ - x = (((x >> 8) & 0xff00ff) * a) + 0x800080; \ - x = (x + ((x >> 8) & 0xff00ff)); \ - x &= 0xff00ff00; \ - x += t; \ - } while (0) - -/* - x_c = (x_c * a) / 255 + y -*/ -#define FbByteMulAdd(x, a, y) do { \ - CARD32 t = ((x & 0xff00ff) * a) + 0x800080; \ - t = (t + ((t >> 8) & 0xff00ff)) >> 8; \ - t &= 0xff00ff; \ - t += y & 0xff00ff; \ - t |= 0x1000100 - ((t >> 8) & 0xff00ff); \ - t &= 0xff00ff; \ - \ - x = (((x >> 8) & 0xff00ff) * a) + 0x800080; \ - x = (x + ((x >> 8) & 0xff00ff)) >> 8; \ - x &= 0xff00ff; \ - x += (y >> 8) & 0xff00ff; \ - x |= 0x1000100 - ((x >> 8) & 0xff00ff); \ - x &= 0xff00ff; \ - x <<= 8; \ - x += t; \ - } while (0) - -/* - x_c = (x_c * a + y_c * b) / 255 -*/ -#define FbByteAddMul(x, a, y, b) do { \ - CARD32 t; \ - CARD32 r = (x >> 24) * a + (y >> 24) * b + 0x80; \ - r += (r >> 8); \ - r >>= 8; \ - \ - t = (x & 0xff00) * a + (y & 0xff00) * b; \ - t += (t >> 8) + 0x8000; \ - t >>= 16; \ - \ - t |= r << 16; \ - t |= 0x1000100 - ((t >> 8) & 0xff00ff); \ - t &= 0xff00ff; \ - t <<= 8; \ - \ - r = ((x >> 16) & 0xff) * a + ((y >> 16) & 0xff) * b + 0x80; \ - r += (r >> 8); \ - r >>= 8; \ - \ - x = (x & 0xff) * a + (y & 0xff) * b + 0x80; \ - x += (x >> 8); \ - x >>= 8; \ - x |= r << 16; \ - x |= 0x1000100 - ((x >> 8) & 0xff00ff); \ - x &= 0xff00ff; \ - x |= t; \ -} while (0) - -/* - x_c = (x_c * a + y_c *b) / 256 -*/ -#define FbByteAddMul_256(x, a, y, b) do { \ - CARD32 t = (x & 0xff00ff) * a + (y & 0xff00ff) * b; \ - t >>= 8; \ - t &= 0xff00ff; \ - \ - x = ((x >> 8) & 0xff00ff) * a + ((y >> 8) & 0xff00ff) * b; \ - x &= 0xff00ff00; \ - x += t; \ -} while (0) -/* - x_c = (x_c * a_c) / 255 -*/ -#define FbByteMulC(x, a) do { \ - CARD32 t; \ - CARD32 r = (x & 0xff) * (a & 0xff); \ - r |= (x & 0xff0000) * ((a >> 16) & 0xff); \ - r += 0x800080; \ - r = (r + ((r >> 8) & 0xff00ff)) >> 8; \ - r &= 0xff00ff; \ - \ - x >>= 8; \ - t = (x & 0xff) * ((a >> 8) & 0xff); \ - t |= (x & 0xff0000) * (a >> 24); \ - t += 0x800080; \ - t = t + ((t >> 8) & 0xff00ff); \ - x = r | (t & 0xff00ff00); \ - \ - } while (0) - -/* - x_c = (x_c * a) / 255 + y -*/ -#define FbByteMulAddC(x, a, y) do { \ - CARD32 t; \ - CARD32 r = (x & 0xff) * (a & 0xff); \ - r |= (x & 0xff0000) * ((a >> 16) & 0xff); \ - r += 0x800080; \ - r = (r + ((r >> 8) & 0xff00ff)) >> 8; \ - r &= 0xff00ff; \ - r += y & 0xff00ff; \ - r |= 0x1000100 - ((r >> 8) & 0xff00ff); \ - r &= 0xff00ff; \ - \ - x >>= 8; \ - t = (x & 0xff) * ((a >> 8) & 0xff); \ - t |= (x & 0xff0000) * (a >> 24); \ - t += 0x800080; \ - t = (t + ((t >> 8) & 0xff00ff)) >> 8; \ - t &= 0xff00ff; \ - t += (y >> 8) & 0xff00ff; \ - t |= 0x1000100 - ((t >> 8) & 0xff00ff); \ - t &= 0xff00ff; \ - x = r | (t << 8); \ - } while (0) - -/* - x_c = (x_c * a_c + y_c * b) / 255 -*/ -#define FbByteAddMulC(x, a, y, b) do { \ - CARD32 t; \ - CARD32 r = (x >> 24) * (a >> 24) + (y >> 24) * b; \ - r += (r >> 8) + 0x80; \ - r >>= 8; \ - \ - t = (x & 0xff00) * ((a >> 8) & 0xff) + (y & 0xff00) * b; \ - t += (t >> 8) + 0x8000; \ - t >>= 16; \ - \ - t |= r << 16; \ - t |= 0x1000100 - ((t >> 8) & 0xff00ff); \ - t &= 0xff00ff; \ - t <<= 8; \ - \ - r = ((x >> 16) & 0xff) * ((a >> 16) & 0xff) + ((y >> 16) & 0xff) * b + 0x80; \ - r += (r >> 8); \ - r >>= 8; \ - \ - x = (x & 0xff) * (a & 0xff) + (y & 0xff) * b + 0x80; \ - x += (x >> 8); \ - x >>= 8; \ - x |= r << 16; \ - x |= 0x1000100 - ((x >> 8) & 0xff00ff); \ - x &= 0xff00ff; \ - x |= t; \ - } while (0) - -/* - x_c = min(x_c + y_c, 255) -*/ -#define FbByteAdd(x, y) do { \ - CARD32 t; \ - CARD32 r = (x & 0xff00ff) + (y & 0xff00ff); \ - r |= 0x1000100 - ((r >> 8) & 0xff00ff); \ - r &= 0xff00ff; \ - \ - t = ((x >> 8) & 0xff00ff) + ((y >> 8) & 0xff00ff); \ - t |= 0x1000100 - ((t >> 8) & 0xff00ff); \ - r |= (t & 0xff00ff) << 8; \ - x = r; \ - } while (0) - -#define div_255(x) (((x) + 0x80 + (((x) + 0x80) >> 8)) >> 8) - -#if defined(__i386__) && defined(__GNUC__) -#define FASTCALL __attribute__((regparm(3))) -#else -#define FASTCALL -#endif - -typedef struct _FbComposeData { - CARD8 op; - PicturePtr src; - PicturePtr mask; - PicturePtr dest; - INT16 xSrc; - INT16 ySrc; - INT16 xMask; - INT16 yMask; - INT16 xDest; - INT16 yDest; - CARD16 width; - CARD16 height; -} FbComposeData; - -extern _X_EXPORT void -fbCompositeRect (const FbComposeData *data, CARD32 *scanline_buffer); - -typedef FASTCALL void (*CombineMaskU) (CARD32 *src, const CARD32 *mask, int width); -typedef FASTCALL void (*CombineFuncU) (CARD32 *dest, const CARD32 *src, int width); -typedef FASTCALL void (*CombineFuncC) (CARD32 *dest, CARD32 *src, CARD32 *mask, int width); - -typedef struct _FbComposeFunctions { - CombineFuncU *combineU; - CombineFuncC *combineC; - CombineMaskU combineMaskU; -} FbComposeFunctions; - -/* fbcompose.c */ - -extern _X_EXPORT 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); - /* fbpict.c */ extern _X_EXPORT void fbComposite (CARD8 op, @@ -429,36 +43,6 @@ fbComposite (CARD8 op, CARD16 width, CARD16 height); -typedef void (*CompositeFunc) (CARD8 op, - PicturePtr pSrc, - PicturePtr pMask, - PicturePtr pDst, - INT16 xSrc, - INT16 ySrc, - INT16 xMask, - INT16 yMask, - INT16 xDst, - INT16 yDst, - CARD16 width, - CARD16 height); - -extern _X_EXPORT void -fbWalkCompositeRegion (CARD8 op, - PicturePtr pSrc, - PicturePtr pMask, - PicturePtr pDst, - INT16 xSrc, - INT16 ySrc, - INT16 xMask, - INT16 yMask, - INT16 xDst, - INT16 yDst, - CARD16 width, - CARD16 height, - Bool srcRepeat, - Bool maskRepeat, - CompositeFunc compositeRect); - /* fbtrap.c */ extern _X_EXPORT void |