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Unified Diff: skia/sgl/SkBitmapProcState_matrix.h

Issue 113827: Remove the remainder of the skia source code from the Chromium repo.... (Closed) Base URL: svn://chrome-svn/chrome/trunk/src/
Patch Set: Created 11 years, 7 months ago
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Index: skia/sgl/SkBitmapProcState_matrix.h
===================================================================
--- skia/sgl/SkBitmapProcState_matrix.h (revision 16859)
+++ skia/sgl/SkBitmapProcState_matrix.h (working copy)
@@ -1,315 +0,0 @@
-
-#define TRANSLATE_NOFILTER_NAME MAKENAME(_nofilter_translate)
-#define SCALE_NOFILTER_NAME MAKENAME(_nofilter_scale)
-#define SCALE_FILTER_NAME MAKENAME(_filter_scale)
-#define AFFINE_NOFILTER_NAME MAKENAME(_nofilter_affine)
-#define AFFINE_FILTER_NAME MAKENAME(_filter_affine)
-#define PERSP_NOFILTER_NAME MAKENAME(_nofilter_persp)
-#define PERSP_FILTER_NAME MAKENAME(_filter_persp)
-
-#define PACK_FILTER_X_NAME MAKENAME(_pack_filter_x)
-#define PACK_FILTER_Y_NAME MAKENAME(_pack_filter_y)
-
-#ifndef PREAMBLE
- #define PREAMBLE(state)
- #define PREAMBLE_PARAM_X
- #define PREAMBLE_PARAM_Y
- #define PREAMBLE_ARG_X
- #define PREAMBLE_ARG_Y
-#endif
-
-#ifndef PREAMBLE_TRANS
- #define PREAMBLE_TRANS(state)
-#endif
-
-static void TRANSLATE_NOFILTER_NAME(const SkBitmapProcState& s,
- uint32_t xy[], int count, int x, int y)
-{
- SkASSERT((s.fInvType & ~SkMatrix::kTranslate_Mask) == 0);
-
- PREAMBLE_TRANS(s);
-
- x += SkScalarFloor(s.fInvMatrix->getTranslateX());
- y += SkScalarFloor(s.fInvMatrix->getTranslateY());
-
- *xy++ = (uint32_t)TILEY_TRANS(y, (s.fBitmap->height() - 1));
-
- unsigned maxX = s.fBitmap->width() - 1;
- int i;
- uint16_t* xx = (uint16_t*)xy;
- for (i = (count >> 2); i > 0; --i)
- {
- *xx++ = (uint16_t)TILEX_TRANS(x, maxX); x++;
- *xx++ = (uint16_t)TILEX_TRANS(x, maxX); x++;
- *xx++ = (uint16_t)TILEX_TRANS(x, maxX); x++;
- *xx++ = (uint16_t)TILEX_TRANS(x, maxX); x++;
- }
- for (i = (count & 3); i > 0; --i)
- {
- *xx++ = (uint16_t)TILEX_TRANS(x, maxX); x++;
- }
-}
-
-static void SCALE_NOFILTER_NAME(const SkBitmapProcState& s,
- uint32_t xy[], int count, int x, int y) {
- SkASSERT((s.fInvType & ~(SkMatrix::kTranslate_Mask |
- SkMatrix::kScale_Mask)) == 0);
-
- PREAMBLE(s);
- // we store y, x, x, x, x, x
-
- // invert x+half, y+half and convert to fixed
- SkFixed fx = s.fInvSy * y + s.fInvTyPlusHalf;
- *xy++ = TILEY_PROCF(fx, (s.fBitmap->height() - 1));
- // invert X
- SkFixed dx = s.fInvSx;
- fx = dx * x + s.fInvTxPlusHalf;
- unsigned maxX = s.fBitmap->width() - 1;
-
-#ifdef CHECK_FOR_DECAL
- // test if we don't need to apply the tile proc
- if ((unsigned)(fx >> 16) <= maxX &&
- (unsigned)((fx + dx * (count - 1)) >> 16) <= maxX) {
- decal_nofilter_scale(xy, fx, dx, count);
- } else
-#endif
- {
- int i;
-#if 0
- uint16_t* xx = (uint16_t*)xy;
- for (i = (count >> 2); i > 0; --i) {
- *xx++ = TILEX_PROCF(fx, maxX); fx += dx;
- *xx++ = TILEX_PROCF(fx, maxX); fx += dx;
- *xx++ = TILEX_PROCF(fx, maxX); fx += dx;
- *xx++ = TILEX_PROCF(fx, maxX); fx += dx;
- }
- for (i = (count & 3); i > 0; --i) {
- *xx++ = TILEX_PROCF(fx, maxX); fx += dx;
- }
-#else
- for (i = (count >> 2); i > 0; --i) {
- unsigned a, b;
- a = TILEX_PROCF(fx, maxX); fx += dx;
- b = TILEX_PROCF(fx, maxX); fx += dx;
-#ifdef SK_CPU_BENDIAN
- *xy++ = (a << 16) | b;
-#else
- *xy++ = (b << 16) | a;
-#endif
- a = TILEX_PROCF(fx, maxX); fx += dx;
- b = TILEX_PROCF(fx, maxX); fx += dx;
-#ifdef SK_CPU_BENDIAN
- *xy++ = (a << 16) | b;
-#else
- *xy++ = (b << 16) | a;
-#endif
- }
- uint16_t* xx = (uint16_t*)xy;
- for (i = (count & 3); i > 0; --i) {
- *xx++ = TILEX_PROCF(fx, maxX); fx += dx;
- }
-#endif
- }
-}
-
-// note: we could special-case on a matrix which is skewed in X but not Y.
-// this would require a more general setup thatn SCALE does, but could use
-// SCALE's inner loop that only looks at dx
-
-static void AFFINE_NOFILTER_NAME(const SkBitmapProcState& s,
- uint32_t xy[], int count, int x, int y) {
- SkASSERT(s.fInvType & SkMatrix::kAffine_Mask);
- SkASSERT((s.fInvType & ~(SkMatrix::kTranslate_Mask |
- SkMatrix::kScale_Mask |
- SkMatrix::kAffine_Mask)) == 0);
-
- PREAMBLE(s);
- SkPoint srcPt;
- s.fInvProc(*s.fInvMatrix,
- SkIntToScalar(x) + SK_ScalarHalf,
- SkIntToScalar(y) + SK_ScalarHalf, &srcPt);
-
- SkFixed fx = SkScalarToFixed(srcPt.fX);
- SkFixed fy = SkScalarToFixed(srcPt.fY);
- SkFixed dx = s.fInvSx;
- SkFixed dy = s.fInvKy;
- int maxX = s.fBitmap->width() - 1;
- int maxY = s.fBitmap->height() - 1;
-
- for (int i = count; i > 0; --i) {
- *xy++ = (TILEY_PROCF(fy, maxY) << 16) | TILEX_PROCF(fx, maxX);
- fx += dx; fy += dy;
- }
-}
-
-static void PERSP_NOFILTER_NAME(const SkBitmapProcState& s,
- uint32_t* SK_RESTRICT xy,
- int count, int x, int y) {
- SkASSERT(s.fInvType & SkMatrix::kPerspective_Mask);
-
- PREAMBLE(s);
- int maxX = s.fBitmap->width() - 1;
- int maxY = s.fBitmap->height() - 1;
-
- SkPerspIter iter(*s.fInvMatrix,
- SkIntToScalar(x) + SK_ScalarHalf,
- SkIntToScalar(y) + SK_ScalarHalf, count);
-
- while ((count = iter.next()) != 0) {
- const SkFixed* SK_RESTRICT srcXY = iter.getXY();
- while (--count >= 0) {
- *xy++ = (TILEY_PROCF(srcXY[1], maxY) << 16) |
- TILEX_PROCF(srcXY[0], maxX);
- srcXY += 2;
- }
- }
-}
-
-//////////////////////////////////////////////////////////////////////////////
-
-static inline uint32_t PACK_FILTER_Y_NAME(SkFixed f, unsigned max,
- SkFixed one PREAMBLE_PARAM_Y) {
- unsigned i = TILEY_PROCF(f, max);
- i = (i << 4) | TILEY_LOW_BITS(f, max);
- return (i << 14) | (TILEY_PROCF((f + one), max));
-}
-
-static inline uint32_t PACK_FILTER_X_NAME(SkFixed f, unsigned max,
- SkFixed one PREAMBLE_PARAM_X) {
- unsigned i = TILEX_PROCF(f, max);
- i = (i << 4) | TILEX_LOW_BITS(f, max);
- return (i << 14) | (TILEX_PROCF((f + one), max));
-}
-
-static void SCALE_FILTER_NAME(const SkBitmapProcState& s,
- uint32_t xy[], int count, int x, int y) {
- SkASSERT((s.fInvType & ~(SkMatrix::kTranslate_Mask |
- SkMatrix::kScale_Mask)) == 0);
- SkASSERT(s.fInvKy == 0);
-
- PREAMBLE(s);
- // compute our two Y values up front
- {
- unsigned maxY = s.fBitmap->height() - 1;
- SkFixed fy = s.fInvSy * y + s.fInvTyPlusHalf - (s.fFilterOneY >> 1);
- *xy++ = PACK_FILTER_Y_NAME(fy, maxY, s.fFilterOneY PREAMBLE_ARG_Y);
- }
-
- unsigned maxX = s.fBitmap->width() - 1;
- SkFixed one = s.fFilterOneX;
- SkFixed dx = s.fInvSx;
- SkFixed fx = dx * x + s.fInvTxPlusHalf - (one >> 1);
-
-#ifdef CHECK_FOR_DECAL
- // test if we don't need to apply the tile proc
- if (dx > 0 &&
- (unsigned)(fx >> 16) <= maxX &&
- (unsigned)((fx + dx * (count - 1)) >> 16) < maxX) {
- decal_filter_scale(xy, fx, dx, count);
- } else
-#endif
- {
- do {
- *xy++ = PACK_FILTER_X_NAME(fx, maxX, one PREAMBLE_ARG_X);
- fx += dx;
- } while (--count != 0);
- }
-}
-
-static void AFFINE_FILTER_NAME(const SkBitmapProcState& s,
- uint32_t xy[], int count, int x, int y) {
- SkASSERT(s.fInvType & SkMatrix::kAffine_Mask);
- SkASSERT((s.fInvType & ~(SkMatrix::kTranslate_Mask |
- SkMatrix::kScale_Mask |
- SkMatrix::kAffine_Mask)) == 0);
-
- PREAMBLE(s);
- SkPoint srcPt;
- s.fInvProc(*s.fInvMatrix,
- SkIntToScalar(x) + SK_ScalarHalf,
- SkIntToScalar(y) + SK_ScalarHalf, &srcPt);
-
- SkFixed oneX = s.fFilterOneX;
- SkFixed oneY = s.fFilterOneY;
- SkFixed fx = SkScalarToFixed(srcPt.fX) - (oneX >> 1);
- SkFixed fy = SkScalarToFixed(srcPt.fY) - (oneY >> 1);
- SkFixed dx = s.fInvSx;
- SkFixed dy = s.fInvKy;
- unsigned maxX = s.fBitmap->width() - 1;
- unsigned maxY = s.fBitmap->height() - 1;
-
- do {
- *xy++ = PACK_FILTER_Y_NAME(fy, maxY, oneY PREAMBLE_ARG_Y);
- fy += dy;
- *xy++ = PACK_FILTER_X_NAME(fx, maxX, oneX PREAMBLE_ARG_X);
- fx += dx;
- } while (--count != 0);
-}
-
-static void PERSP_FILTER_NAME(const SkBitmapProcState& s,
- uint32_t* SK_RESTRICT xy, int count,
- int x, int y) {
- SkASSERT(s.fInvType & SkMatrix::kPerspective_Mask);
-
- PREAMBLE(s);
- unsigned maxX = s.fBitmap->width() - 1;
- unsigned maxY = s.fBitmap->height() - 1;
- SkFixed oneX = s.fFilterOneX;
- SkFixed oneY = s.fFilterOneY;
-
- SkPerspIter iter(*s.fInvMatrix,
- SkIntToScalar(x) + SK_ScalarHalf,
- SkIntToScalar(y) + SK_ScalarHalf, count);
-
- while ((count = iter.next()) != 0) {
- const SkFixed* SK_RESTRICT srcXY = iter.getXY();
- do {
- *xy++ = PACK_FILTER_Y_NAME(srcXY[1] - (oneY >> 1), maxY,
- oneY PREAMBLE_ARG_Y);
- *xy++ = PACK_FILTER_X_NAME(srcXY[0] - (oneX >> 1), maxX,
- oneX PREAMBLE_ARG_X);
- srcXY += 2;
- } while (--count != 0);
- }
-}
-
-static SkBitmapProcState::MatrixProc MAKENAME(_Procs)[] = {
- TRANSLATE_NOFILTER_NAME,
- TRANSLATE_NOFILTER_NAME, // No need to do filtering if the matrix is no
- // more complex than identity/translate.
- SCALE_NOFILTER_NAME,
- SCALE_FILTER_NAME,
- AFFINE_NOFILTER_NAME,
- AFFINE_FILTER_NAME,
- PERSP_NOFILTER_NAME,
- PERSP_FILTER_NAME
-};
-
-#undef MAKENAME
-#undef TILEX_PROCF
-#undef TILEY_PROCF
-#ifdef CHECK_FOR_DECAL
- #undef CHECK_FOR_DECAL
-#endif
-
-#undef TILEX_TRANS
-#undef TILEY_TRANS
-
-#undef TRANSLATE_NOFILTER_NAME
-#undef SCALE_NOFILTER_NAME
-#undef SCALE_FILTER_NAME
-#undef AFFINE_NOFILTER_NAME
-#undef AFFINE_FILTER_NAME
-#undef PERSP_NOFILTER_NAME
-#undef PERSP_FILTER_NAME
-
-#undef PREAMBLE
-#undef PREAMBLE_PARAM_X
-#undef PREAMBLE_PARAM_Y
-#undef PREAMBLE_ARG_X
-#undef PREAMBLE_ARG_Y
-
-#undef PREAMBLE_TRANS
-
-#undef TILEX_LOW_BITS
-#undef TILEY_LOW_BITS
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