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authorbrettw@google.com <brettw@google.com@0039d316-1c4b-4281-b951-d872f2087c98>2008-12-12 21:01:41 +0000
committerbrettw@google.com <brettw@google.com@0039d316-1c4b-4281-b951-d872f2087c98>2008-12-12 21:01:41 +0000
commit52e935d04c59135739c3a68fb6e19d313dc6d5ad (patch)
tree95f7ab178b045bef4456cbf92c6aa7e476becd99 /skia/sgl/SkBitmapProcState_matrixProcs.cpp
parent30fab79877b4bb067944b74d98346ac9bb6bfc7e (diff)
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New drop of Skia. This is up to CL 121320.
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@6925 0039d316-1c4b-4281-b951-d872f2087c98
Diffstat (limited to 'skia/sgl/SkBitmapProcState_matrixProcs.cpp')
-rw-r--r--skia/sgl/SkBitmapProcState_matrixProcs.cpp71
1 files changed, 11 insertions, 60 deletions
diff --git a/skia/sgl/SkBitmapProcState_matrixProcs.cpp b/skia/sgl/SkBitmapProcState_matrixProcs.cpp
index 369f9ff..beb21c8 100644
--- a/skia/sgl/SkBitmapProcState_matrixProcs.cpp
+++ b/skia/sgl/SkBitmapProcState_matrixProcs.cpp
@@ -28,8 +28,6 @@ void decal_filter_scale(uint32_t dst[], SkFixed fx, SkFixed dx, int count);
#define TILEX_LOW_BITS(fx, max) (((fx) >> 12) & 0xF)
#define TILEY_LOW_BITS(fy, max) (((fy) >> 12) & 0xF)
#define CHECK_FOR_DECAL
-#define TILEX_TRANS(x, max) SkClampMax(x, max)
-#define TILEY_TRANS(y, max) SkClampMax(y, max)
#include "SkBitmapProcState_matrix.h"
#define MAKENAME(suffix) RepeatX_RepeatY ## suffix
@@ -37,9 +35,6 @@ void decal_filter_scale(uint32_t dst[], SkFixed fx, SkFixed dx, int count);
#define TILEY_PROCF(fy, max) (((fy) & 0xFFFF) * ((max) + 1) >> 16)
#define TILEX_LOW_BITS(fx, max) ((((fx) & 0xFFFF) * ((max) + 1) >> 12) & 0xF)
#define TILEY_LOW_BITS(fy, max) ((((fy) & 0xFFFF) * ((max) + 1) >> 12) & 0xF)
-#define REAL_MOD(val, modulus) (((val)%(modulus)) + (modulus)*( (val)<0 ))
-#define TILEX_TRANS(x, max) (REAL_MOD((x), ((max) + 1)))
-#define TILEY_TRANS(y, max) (REAL_MOD((y), ((max) + 1)))
#include "SkBitmapProcState_matrix.h"
#define MAKENAME(suffix) GeneralXY ## suffix
@@ -49,17 +44,13 @@ void decal_filter_scale(uint32_t dst[], SkFixed fx, SkFixed dx, int count);
#define PREAMBLE_PARAM_Y , SkBitmapProcState::FixedTileProc tileProcY
#define PREAMBLE_ARG_X , tileProcX
#define PREAMBLE_ARG_Y , tileProcY
-#define TILEX_PROCF(fx, max) (tileProcX(fx, max) >> 16)
-#define TILEY_PROCF(fy, max) (tileProcY(fy, max) >> 16)
-#define TILEX_LOW_BITS(fx, max) ((tileProcX(fx, max) >> 14) & 0x3)
-#define TILEY_LOW_BITS(fy, max) ((tileProcY(fy, max) >> 14) & 0x3)
-#define PREAMBLE_TRANS(state) SkBitmapProcState::IntTileProc tileProcX = (state).iTileProcX; \
- SkBitmapProcState::IntTileProc tileProcY = (state).iTileProcY
-#define TILEX_TRANS(x, max) tileProcX(x, max)
-#define TILEY_TRANS(y, max) tileProcY(y, max)
+#define TILEX_PROCF(fx, max) (tileProcX(fx) * ((max) + 1) >> 16)
+#define TILEY_PROCF(fy, max) (tileProcY(fy) * ((max) + 1) >> 16)
+#define TILEX_LOW_BITS(fx, max) ((tileProcX(fx) * ((max) + 1) >> 12) & 0xF)
+#define TILEY_LOW_BITS(fy, max) ((tileProcY(fy) * ((max) + 1) >> 12) & 0xF)
#include "SkBitmapProcState_matrix.h"
-static inline SkFixed fixed_clamp(SkFixed x, int max)
+static inline U16CPU fixed_clamp(SkFixed x)
{
#ifdef SK_CPU_HAS_CONDITIONAL_INSTR
if (x >> 16)
@@ -75,20 +66,19 @@ static inline SkFixed fixed_clamp(SkFixed x, int max)
x = 0xFFFF;
}
#endif
- return x * (max + 1);
+ return x;
}
-static inline SkFixed fixed_repeat(SkFixed x, int max)
+static inline U16CPU fixed_repeat(SkFixed x)
{
- return (x & 0xFFFF) * (max + 1);
+ return x & 0xFFFF;
}
-static inline SkFixed fixed_mirror(SkFixed x, int max)
+static inline U16CPU fixed_mirror(SkFixed x)
{
SkFixed s = x << 15 >> 31;
// s is FFFFFFFF if we're on an odd interval, or 0 if an even interval
- x = ((x ^ s) & 0xFFFF) * (max + 1);
- return s ? (x ^ 0xFFFF) : x;
+ return (x ^ s) & 0xFFFF;
}
static SkBitmapProcState::FixedTileProc choose_tile_proc(unsigned m)
@@ -100,41 +90,6 @@ static SkBitmapProcState::FixedTileProc choose_tile_proc(unsigned m)
SkASSERT(SkShader::kMirror_TileMode == m);
return fixed_mirror;
}
-
-static inline int int_clamp(int x, int max)
-{
- SkASSERT(max >= 0);
-
- return SkClampMax(x, max);
-}
-
-static inline int int_repeat(int x, int max)
-{
- SkASSERT(max >= 0);
-
- return x % (max + 1);
-}
-
-static inline int int_mirror(int x, int max)
-{
- SkASSERT(max >= 0);
-
- int dx = x % (max + 1);
- if (dx < 0)
- dx = -dx - 1;
-
- return (x / (max + 1) % 2) ? max - dx : dx;
-}
-
-static SkBitmapProcState::IntTileProc choose_int_tile_proc(unsigned m)
-{
- if (SkShader::kClamp_TileMode == m)
- return int_clamp;
- if (SkShader::kRepeat_TileMode == m)
- return int_repeat;
- SkASSERT(SkShader::kMirror_TileMode == m);
- return int_mirror;
-}
SkBitmapProcState::MatrixProc SkBitmapProcState::chooseMatrixProc()
{
@@ -142,10 +97,8 @@ SkBitmapProcState::MatrixProc SkBitmapProcState::chooseMatrixProc()
if (fDoFilter)
index = 1;
if (fInvType & SkMatrix::kPerspective_Mask)
- index |= 6;
- else if (fInvType & SkMatrix::kAffine_Mask)
index |= 4;
- else if (fInvType & SkMatrix::kScale_Mask)
+ else if (fInvType & SkMatrix::kAffine_Mask)
index |= 2;
if (SkShader::kClamp_TileMode == fTileModeX &&
@@ -170,8 +123,6 @@ SkBitmapProcState::MatrixProc SkBitmapProcState::chooseMatrixProc()
// only general needs these procs
fTileProcX = choose_tile_proc(fTileModeX);
fTileProcY = choose_tile_proc(fTileModeY);
- iTileProcX = choose_int_tile_proc(fTileModeX);
- iTileProcY = choose_int_tile_proc(fTileModeY);
return GeneralXY_Procs[index];
}