libpixmaninclude_HEADERS = pixman.h pixman-version.h
noinst_LTLIBRARIES =
-pixman-combine32.c : combine.inc combine.pl
+pixman-combine32.c : combine.inc pixman-combine.h combine.pl
$(PERL) $(srcdir)/combine.pl 8 < $(srcdir)/combine.inc > $@ || ($(RM) $@; exit 1)
+pixman-combine.h : combine.h.inc combine.pl
+ $(PERL) $(srcdir)/combine.pl 8 < $(srcdir)/combine.h.inc > $@ || ($(RM) $@; exit 1)
-pixman-combine64.c : combine.inc combine.pl
+pixman-combine64.c : combine.inc pixman-combine64.h combine.pl
$(PERL) $(srcdir)/combine.pl 16 < $(srcdir)/combine.inc > $@ || ($(RM) $@; exit 1)
+pixman-combine64.h : combine.h.inc combine.pl
+ $(PERL) $(srcdir)/combine.pl 16 < $(srcdir)/combine.h.inc > $@ || ($(RM) $@; exit 1)
EXTRA_DIST = Makefile.win32 combine.inc combine.pl
-CLEANFILES = pixman-combine32.c pixman-combine64.c
+CLEANFILES = pixman-combine32.c pixman-combine64.c pixman-combine.h pixman-combine64.h
# mmx code
if USE_MMX
--- /dev/null
+
+#define COMPONENT_SIZE
+#define MASK
+#define ONE_HALF
+
+#define G_SHIFT
+#define B_SHIFT
+#define A_SHIFT
+#define G_MASK
+#define B_MASK
+#define A_MASK
+
+#define RB_MASK
+#define AG_MASK
+#define RB_ONE_HALF
+#define RB_MASK_PLUS_ONE
+
+#define Alpha(x) ((x) >> A_SHIFT)
+
+/*
+ * Helper macros.
+ */
+
+#define IntMult(a,b,t) ( (t) = (a) * (b) + ONE_HALF, ( ( ( (t)>>G_SHIFT ) + (t) )>>G_SHIFT ) )
+#define IntDiv(a,b) (((comp2_t) (a) * MASK) / (b))
+
+#define GetComp(v,i) ((comp2_t) (comp1_t) ((v) >> i))
+
+#define Add(x,y,i,t) ((t) = GetComp(x,i) + GetComp(y,i), \
+ (comp4_t) ((comp1_t) ((t) | (0 - ((t) >> G_SHIFT)))) << (i))
+
+#define FbGen(x,y,i,ax,ay,t,u,v) ((t) = (IntMult(GetComp(y,i),ay,(u)) + \
+ IntMult(GetComp(x,i),ax,(v))), \
+ (comp4_t) ((comp1_t) ((t) | \
+ (0 - ((t) >> G_SHIFT)))) << (i))
+
+/*
+ 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 { \
+ comp4_t t = ((x & RB_MASK) * a) + RB_ONE_HALF; \
+ t = (t + ((t >> COMPONENT_SIZE) & RB_MASK)) >> COMPONENT_SIZE; \
+ t &= RB_MASK; \
+ \
+ x = (((x >> COMPONENT_SIZE) & RB_MASK) * a) + RB_ONE_HALF; \
+ x = (x + ((x >> COMPONENT_SIZE) & RB_MASK)); \
+ x &= RB_MASK << COMPONENT_SIZE; \
+ x += t; \
+ } while (0)
+
+/*
+ x_c = (x_c * a) / 255 + y
+*/
+#define FbByteMulAdd(x, a, y) do { \
+ comp4_t t = ((x & RB_MASK) * a) + RB_ONE_HALF; \
+ t = (t + ((t >> COMPONENT_SIZE) & RB_MASK)) >> COMPONENT_SIZE; \
+ t &= RB_MASK; \
+ t += y & RB_MASK; \
+ t |= RB_MASK_PLUS_ONE - ((t >> COMPONENT_SIZE) & RB_MASK); \
+ t &= RB_MASK; \
+ \
+ x = (((x >> COMPONENT_SIZE) & RB_MASK) * a) + RB_ONE_HALF; \
+ x = (x + ((x >> COMPONENT_SIZE) & RB_MASK)) >> COMPONENT_SIZE; \
+ x &= RB_MASK; \
+ x += (y >> COMPONENT_SIZE) & RB_MASK; \
+ x |= RB_MASK_PLUS_ONE - ((x >> COMPONENT_SIZE) & RB_MASK); \
+ x &= RB_MASK; \
+ x <<= COMPONENT_SIZE; \
+ x += t; \
+ } while (0)
+
+/*
+ x_c = (x_c * a + y_c * b) / 255
+*/
+#define FbByteAddMul(x, a, y, b) do { \
+ comp4_t t; \
+ comp4_t r = (x >> A_SHIFT) * a + (y >> A_SHIFT) * b + ONE_HALF; \
+ r += (r >> G_SHIFT); \
+ r >>= G_SHIFT; \
+ \
+ t = (x & G_MASK) * a + (y & G_MASK) * b; \
+ t += (t >> G_SHIFT) + (ONE_HALF << G_SHIFT); \
+ t >>= B_SHIFT; \
+ \
+ t |= r << B_SHIFT; \
+ t |= RB_MASK_PLUS_ONE - ((t >> G_SHIFT) & RB_MASK); \
+ t &= RB_MASK; \
+ t <<= G_SHIFT; \
+ \
+ r = ((x >> B_SHIFT) & MASK) * a + \
+ ((y >> B_SHIFT) & MASK) * b + ONE_HALF; \
+ r += (r >> G_SHIFT); \
+ r >>= G_SHIFT; \
+ \
+ x = (x & MASK) * a + (y & MASK) * b + ONE_HALF; \
+ x += (x >> G_SHIFT); \
+ x >>= G_SHIFT; \
+ x |= r << B_SHIFT; \
+ x |= RB_MASK_PLUS_ONE - ((x >> G_SHIFT) & RB_MASK); \
+ x &= RB_MASK; \
+ x |= t; \
+ } while (0)
+
+/*
+ x_c = (x_c * a + y_c *b) / 256
+*/
+#define FbByteAddMul_256(x, a, y, b) do { \
+ comp4_t t = (x & RB_MASK) * a + (y & RB_MASK) * b; \
+ t >>= G_SHIFT; \
+ t &= RB_MASK; \
+ \
+ x = ((x >> G_SHIFT) & RB_MASK) * a + \
+ ((y >> G_SHIFT) & RB_MASK) * b; \
+ x &= AG_MASK; \
+ x += t; \
+ } while (0)
+
+/*
+ x_c = (x_c * a_c) / 255
+*/
+#define FbByteMulC(x, a) do { \
+ comp4_t t; \
+ comp4_t r = (x & MASK) * (a & MASK); \
+ r |= (x & B_MASK) * ((a >> B_SHIFT) & MASK); \
+ r += RB_ONE_HALF; \
+ r = (r + ((r >> G_SHIFT) & RB_MASK)) >> G_SHIFT; \
+ r &= RB_MASK; \
+ \
+ x >>= G_SHIFT; \
+ t = (x & MASK) * ((a >> G_SHIFT) & MASK); \
+ t |= (x & B_MASK) * (a >> A_SHIFT); \
+ t += RB_ONE_HALF; \
+ t = t + ((t >> G_SHIFT) & RB_MASK); \
+ x = r | (t & AG_MASK); \
+ } while (0)
+
+/*
+ x_c = (x_c * a) / 255 + y
+*/
+#define FbByteMulAddC(x, a, y) do { \
+ comp4_t t; \
+ comp4_t r = (x & MASK) * (a & MASK); \
+ r |= (x & B_MASK) * ((a >> B_SHIFT) & MASK); \
+ r += RB_ONE_HALF; \
+ r = (r + ((r >> G_SHIFT) & RB_MASK)) >> G_SHIFT; \
+ r &= RB_MASK; \
+ r += y & RB_MASK; \
+ r |= RB_MASK_PLUS_ONE - ((r >> G_SHIFT) & RB_MASK); \
+ r &= RB_MASK; \
+ \
+ x >>= G_SHIFT; \
+ t = (x & MASK) * ((a >> G_SHIFT) & MASK); \
+ t |= (x & B_MASK) * (a >> A_SHIFT); \
+ t += RB_ONE_HALF; \
+ t = (t + ((t >> G_SHIFT) & RB_MASK)) >> G_SHIFT; \
+ t &= RB_MASK; \
+ t += (y >> G_SHIFT) & RB_MASK; \
+ t |= RB_MASK_PLUS_ONE - ((t >> G_SHIFT) & RB_MASK); \
+ t &= RB_MASK; \
+ x = r | (t << G_SHIFT); \
+ } while (0)
+
+/*
+ x_c = (x_c * a_c + y_c * b) / 255
+*/
+#define FbByteAddMulC(x, a, y, b) do { \
+ comp4_t t; \
+ comp4_t r = (x >> A_SHIFT) * (a >> A_SHIFT) + \
+ (y >> A_SHIFT) * b; \
+ r += (r >> G_SHIFT) + ONE_HALF; \
+ r >>= G_SHIFT; \
+ \
+ t = (x & G_MASK) * ((a >> G_SHIFT) & MASK) + (y & G_MASK) * b; \
+ t += (t >> G_SHIFT) + (ONE_HALF << G_SHIFT); \
+ t >>= B_SHIFT; \
+ \
+ t |= r << B_SHIFT; \
+ t |= RB_MASK_PLUS_ONE - ((t >> G_SHIFT) & RB_MASK); \
+ t &= RB_MASK; \
+ t <<= G_SHIFT; \
+ \
+ r = ((x >> B_SHIFT) & MASK) * ((a >> B_SHIFT) & MASK) + \
+ ((y >> B_SHIFT) & MASK) * b + ONE_HALF; \
+ r += (r >> G_SHIFT); \
+ r >>= G_SHIFT; \
+ \
+ x = (x & MASK) * (a & MASK) + (y & MASK) * b + ONE_HALF; \
+ x += (x >> G_SHIFT); \
+ x >>= G_SHIFT; \
+ x |= r << B_SHIFT; \
+ x |= RB_MASK_PLUS_ONE - ((x >> G_SHIFT) & RB_MASK); \
+ x &= RB_MASK; \
+ x |= t; \
+ } while (0)
+
+/*
+ x_c = min(x_c + y_c, 255)
+*/
+#define FbByteAdd(x, y) do { \
+ comp4_t t; \
+ comp4_t r = (x & RB_MASK) + (y & RB_MASK); \
+ r |= RB_MASK_PLUS_ONE - ((r >> G_SHIFT) & RB_MASK); \
+ r &= RB_MASK; \
+ \
+ t = ((x >> G_SHIFT) & RB_MASK) + ((y >> G_SHIFT) & RB_MASK); \
+ t |= RB_MASK_PLUS_ONE - ((t >> G_SHIFT) & RB_MASK); \
+ r |= (t & RB_MASK) << G_SHIFT; \
+ x = r; \
+ } while (0)
+
#include "pixman-private.h"
-#define Alpha(x) ((x) >> A_SHIFT)
-
-/*
- * Helper macros.
- */
-
-#define IntMult(a,b,t) ( (t) = (a) * (b) + ONE_HALF, ( ( ( (t)>>G_SHIFT ) + (t) )>>G_SHIFT ) )
-#define IntDiv(a,b) (((comp2_t) (a) * MASK) / (b))
-
-#define GetComp(v,i) ((comp2_t) (comp1_t) ((v) >> i))
-
-#define Add(x,y,i,t) ((t) = GetComp(x,i) + GetComp(y,i), \
- (comp4_t) ((comp1_t) ((t) | (0 - ((t) >> G_SHIFT)))) << (i))
-
-#define FbGen(x,y,i,ax,ay,t,u,v) ((t) = (IntMult(GetComp(y,i),ay,(u)) + \
- IntMult(GetComp(x,i),ax,(v))), \
- (comp4_t) ((comp1_t) ((t) | \
- (0 - ((t) >> G_SHIFT)))) << (i))
-
-/*
- 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 { \
- comp4_t t = ((x & RB_MASK) * a) + RB_ONE_HALF; \
- t = (t + ((t >> COMPONENT_SIZE) & RB_MASK)) >> COMPONENT_SIZE; \
- t &= RB_MASK; \
- \
- x = (((x >> COMPONENT_SIZE) & RB_MASK) * a) + RB_ONE_HALF; \
- x = (x + ((x >> COMPONENT_SIZE) & RB_MASK)); \
- x &= RB_MASK << COMPONENT_SIZE; \
- x += t; \
- } while (0)
-
-/*
- x_c = (x_c * a) / 255 + y
-*/
-#define FbByteMulAdd(x, a, y) do { \
- comp4_t t = ((x & RB_MASK) * a) + RB_ONE_HALF; \
- t = (t + ((t >> COMPONENT_SIZE) & RB_MASK)) >> COMPONENT_SIZE; \
- t &= RB_MASK; \
- t += y & RB_MASK; \
- t |= RB_MASK_PLUS_ONE - ((t >> COMPONENT_SIZE) & RB_MASK); \
- t &= RB_MASK; \
- \
- x = (((x >> COMPONENT_SIZE) & RB_MASK) * a) + RB_ONE_HALF; \
- x = (x + ((x >> COMPONENT_SIZE) & RB_MASK)) >> COMPONENT_SIZE; \
- x &= RB_MASK; \
- x += (y >> COMPONENT_SIZE) & RB_MASK; \
- x |= RB_MASK_PLUS_ONE - ((x >> COMPONENT_SIZE) & RB_MASK); \
- x &= RB_MASK; \
- x <<= COMPONENT_SIZE; \
- x += t; \
- } while (0)
-
-/*
- x_c = (x_c * a + y_c * b) / 255
-*/
-#define FbByteAddMul(x, a, y, b) do { \
- comp4_t t; \
- comp4_t r = (x >> A_SHIFT) * a + (y >> A_SHIFT) * b + ONE_HALF; \
- r += (r >> G_SHIFT); \
- r >>= G_SHIFT; \
- \
- t = (x & G_MASK) * a + (y & G_MASK) * b; \
- t += (t >> G_SHIFT) + (ONE_HALF << G_SHIFT); \
- t >>= B_SHIFT; \
- \
- t |= r << B_SHIFT; \
- t |= RB_MASK_PLUS_ONE - ((t >> G_SHIFT) & RB_MASK); \
- t &= RB_MASK; \
- t <<= G_SHIFT; \
- \
- r = ((x >> B_SHIFT) & MASK) * a + \
- ((y >> B_SHIFT) & MASK) * b + ONE_HALF; \
- r += (r >> G_SHIFT); \
- r >>= G_SHIFT; \
- \
- x = (x & MASK) * a + (y & MASK) * b + ONE_HALF; \
- x += (x >> G_SHIFT); \
- x >>= G_SHIFT; \
- x |= r << B_SHIFT; \
- x |= RB_MASK_PLUS_ONE - ((x >> G_SHIFT) & RB_MASK); \
- x &= RB_MASK; \
- x |= t; \
- } while (0)
-
-/*
- x_c = (x_c * a + y_c *b) / 256
-*/
-#define FbByteAddMul_256(x, a, y, b) do { \
- comp4_t t = (x & RB_MASK) * a + (y & RB_MASK) * b; \
- t >>= G_SHIFT; \
- t &= RB_MASK; \
- \
- x = ((x >> G_SHIFT) & RB_MASK) * a + \
- ((y >> G_SHIFT) & RB_MASK) * b; \
- x &= AG_MASK; \
- x += t; \
- } while (0)
-
-/*
- x_c = (x_c * a_c) / 255
-*/
-#define FbByteMulC(x, a) do { \
- comp4_t t; \
- comp4_t r = (x & MASK) * (a & MASK); \
- r |= (x & B_MASK) * ((a >> B_SHIFT) & MASK); \
- r += RB_ONE_HALF; \
- r = (r + ((r >> G_SHIFT) & RB_MASK)) >> G_SHIFT; \
- r &= RB_MASK; \
- \
- x >>= G_SHIFT; \
- t = (x & MASK) * ((a >> G_SHIFT) & MASK); \
- t |= (x & B_MASK) * (a >> A_SHIFT); \
- t += RB_ONE_HALF; \
- t = t + ((t >> G_SHIFT) & RB_MASK); \
- x = r | (t & AG_MASK); \
- } while (0)
-
-/*
- x_c = (x_c * a) / 255 + y
-*/
-#define FbByteMulAddC(x, a, y) do { \
- comp4_t t; \
- comp4_t r = (x & MASK) * (a & MASK); \
- r |= (x & B_MASK) * ((a >> B_SHIFT) & MASK); \
- r += RB_ONE_HALF; \
- r = (r + ((r >> G_SHIFT) & RB_MASK)) >> G_SHIFT; \
- r &= RB_MASK; \
- r += y & RB_MASK; \
- r |= RB_MASK_PLUS_ONE - ((r >> G_SHIFT) & RB_MASK); \
- r &= RB_MASK; \
- \
- x >>= G_SHIFT; \
- t = (x & MASK) * ((a >> G_SHIFT) & MASK); \
- t |= (x & B_MASK) * (a >> A_SHIFT); \
- t += RB_ONE_HALF; \
- t = (t + ((t >> G_SHIFT) & RB_MASK)) >> G_SHIFT; \
- t &= RB_MASK; \
- t += (y >> G_SHIFT) & RB_MASK; \
- t |= RB_MASK_PLUS_ONE - ((t >> G_SHIFT) & RB_MASK); \
- t &= RB_MASK; \
- x = r | (t << G_SHIFT); \
- } while (0)
-
-/*
- x_c = (x_c * a_c + y_c * b) / 255
-*/
-#define FbByteAddMulC(x, a, y, b) do { \
- comp4_t t; \
- comp4_t r = (x >> A_SHIFT) * (a >> A_SHIFT) + \
- (y >> A_SHIFT) * b; \
- r += (r >> G_SHIFT) + ONE_HALF; \
- r >>= G_SHIFT; \
- \
- t = (x & G_MASK) * ((a >> G_SHIFT) & MASK) + (y & G_MASK) * b; \
- t += (t >> G_SHIFT) + (ONE_HALF << G_SHIFT); \
- t >>= B_SHIFT; \
- \
- t |= r << B_SHIFT; \
- t |= RB_MASK_PLUS_ONE - ((t >> G_SHIFT) & RB_MASK); \
- t &= RB_MASK; \
- t <<= G_SHIFT; \
- \
- r = ((x >> B_SHIFT) & MASK) * ((a >> B_SHIFT) & MASK) + \
- ((y >> B_SHIFT) & MASK) * b + ONE_HALF; \
- r += (r >> G_SHIFT); \
- r >>= G_SHIFT; \
- \
- x = (x & MASK) * (a & MASK) + (y & MASK) * b + ONE_HALF; \
- x += (x >> G_SHIFT); \
- x >>= G_SHIFT; \
- x |= r << B_SHIFT; \
- x |= RB_MASK_PLUS_ONE - ((x >> G_SHIFT) & RB_MASK); \
- x &= RB_MASK; \
- x |= t; \
- } while (0)
-
-/*
- x_c = min(x_c + y_c, 255)
-*/
-#define FbByteAdd(x, y) do { \
- comp4_t t; \
- comp4_t r = (x & RB_MASK) + (y & RB_MASK); \
- r |= RB_MASK_PLUS_ONE - ((r >> G_SHIFT) & RB_MASK); \
- r &= RB_MASK; \
- \
- t = ((x >> G_SHIFT) & RB_MASK) + ((y >> G_SHIFT) & RB_MASK); \
- t |= RB_MASK_PLUS_ONE - ((t >> G_SHIFT) & RB_MASK); \
- r |= (t & RB_MASK) << G_SHIFT; \
- x = r; \
- } while (0)
-
+#include "pixman-combine.h"
/*
* There are two ways of handling alpha -- either as a single unified value or
print " Please edit one of those files rather than this one. */\n";
print "\n";
-# Mask and 1/2 value for a single component.
-print "#define COMPONENT_SIZE ", $size, "\n";
-print "#define MASK ", mask($mask), "\n";
-print "#define ONE_HALF ", mask($one_half), "\n";
-print "\n";
-
-# Shifts and masks for green, blue, and alpha.
-print "#define G_SHIFT ", $size, "\n";
-print "#define B_SHIFT ", $size * 2, "\n";
-print "#define A_SHIFT ", $size * 3, "\n";
-print "#define G_MASK ", mask($mask . $zero_mask), "\n";
-print "#define B_MASK ", mask($mask . $zero_mask x 2), "\n";
-print "#define A_MASK ", mask($mask . $zero_mask x 3), "\n";
-print "\n";
+print "#line 1 \"combine.inc\"\n";
-# Special values for dealing with red + blue at the same time.
-print "#define RB_MASK ", mask($mask . $zero_mask . $mask), "\n";
-print "#define AG_MASK ", mask($mask . $zero_mask . $mask . $zero_mask), "\n";
-print "#define RB_ONE_HALF ", mask($one_half . $zero_mask . $one_half), "\n";
-print "#define RB_MASK_PLUS_ONE ", mask("1" . $zero_mask x 2 . "1" . $zero_mask), "\n";
-print "\n";
+$mask_ = mask($mask);
+$one_half_ = mask($one_half);
+$g_mask = mask($mask . $zero_mask);
+$b_mask = mask($mask . $zero_mask x 2);
+$a_mask = mask($mask . $zero_mask x 3);
+$rb_mask = mask($mask . $zero_mask . $mask);
+$ag_mask = mask($mask . $zero_mask . $mask . $zero_mask);
+$rb_one_half = mask($one_half . $zero_mask . $one_half);
+$rb_mask_plus_one = mask("1" . $zero_mask x 2 . "1" . $zero_mask);
-print "#line 1 \"combine.inc\"\n";
while (<STDIN>) {
+ # Mask and 1/2 value for a single component.
+ s/#define COMPONENT_SIZE\b/$& $size/;
+ s/#define MASK\b/$& $mask_/;
+ s/#define ONE_HALF\b/$& $one_half_/;
+
+ # Shifts and masks for green, blue, and alpha.
+ s/#define G_SHIFT\b/$& $size/;
+ s/#define B_SHIFT\b/$& $size * 2/;
+ s/#define A_SHIFT\b/$& $size * 3/;
+ s/#define G_MASK\b/$& $g_mask/;
+ s/#define B_MASK\b/$& $b_mask/;
+ s/#define A_MASK\b/$& $a_mask/;
+
+ # Special values for dealing with red + blue at the same time.
+ s/#define RB_MASK\b/$& $rb_mask/;
+ s/#define AG_MASK\b/$& $ag_mask/;
+ s/#define RB_ONE_HALF\b/$& $rb_one_half/;
+ s/#define RB_MASK_PLUS_ONE\b/$& $rb_mask_plus_one/;
+
# Add 32/64 suffix to combining function types.
s/\bCombineFuncC\b/CombineFuncC$pixel_size/;
s/\bCombineFuncU\b/CombineFuncU$pixel_size/;
# Change the function table name for the 64-bit version.
s/pixman_composeFunctions/pixman_composeFunctions64/ if $size == 16;
+ # Change the header for the 64-bit version
+ s/pixman-combine.h/pixman-combine64.h/ if $size == 16;
+
print;
}
projects / platform / upstream / pixman.git / commitdiff