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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 14:29:10 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 14:29:10 +0000
commit2aa4a82499d4becd2284cdb482213d541b8804dd (patch)
treeb80bf8bf13c3766139fbacc530efd0dd9d54394c /gfx/cairo/libpixman/src/pixman-combine64.h
parentInitial commit. (diff)
downloadfirefox-upstream.tar.xz
firefox-upstream.zip
Adding upstream version 86.0.1.upstream/86.0.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'gfx/cairo/libpixman/src/pixman-combine64.h')
-rw-r--r--gfx/cairo/libpixman/src/pixman-combine64.h230
1 files changed, 230 insertions, 0 deletions
diff --git a/gfx/cairo/libpixman/src/pixman-combine64.h b/gfx/cairo/libpixman/src/pixman-combine64.h
new file mode 100644
index 0000000000..00413a85f6
--- /dev/null
+++ b/gfx/cairo/libpixman/src/pixman-combine64.h
@@ -0,0 +1,230 @@
+/* WARNING: This file is generated by combine.pl from combine.inc.
+ Please edit one of those files rather than this one. */
+
+#line 1 "pixman-combine.c.template"
+
+#define COMPONENT_SIZE 16
+#define MASK 0xffffULL
+#define ONE_HALF 0x8000ULL
+
+#define A_SHIFT 16 * 3
+#define R_SHIFT 16 * 2
+#define G_SHIFT 16
+#define A_MASK 0xffff000000000000ULL
+#define R_MASK 0xffff00000000ULL
+#define G_MASK 0xffff0000ULL
+
+#define RB_MASK 0xffff0000ffffULL
+#define AG_MASK 0xffff0000ffff0000ULL
+#define RB_ONE_HALF 0x800000008000ULL
+#define RB_MASK_PLUS_ONE 0x10000000010000ULL
+
+#define ALPHA_16(x) ((x) >> A_SHIFT)
+#define RED_16(x) (((x) >> R_SHIFT) & MASK)
+#define GREEN_16(x) (((x) >> G_SHIFT) & MASK)
+#define BLUE_16(x) ((x) & MASK)
+
+/*
+ * Helper macros.
+ */
+
+#define MUL_UN16(a, b, t) \
+ ((t) = (a) * (uint32_t)(b) + ONE_HALF, ((((t) >> G_SHIFT ) + (t) ) >> G_SHIFT ))
+
+#define DIV_UN16(a, b) \
+ (((uint32_t) (a) * MASK + ((b) / 2)) / (b))
+
+#define ADD_UN16(x, y, t) \
+ ((t) = (x) + (y), \
+ (uint64_t) (uint16_t) ((t) | (0 - ((t) >> G_SHIFT))))
+
+#define DIV_ONE_UN16(x) \
+ (((x) + ONE_HALF + (((x) + ONE_HALF) >> G_SHIFT)) >> G_SHIFT)
+
+/*
+ * The methods below use some tricks to be able to do two color
+ * components at the same time.
+ */
+
+/*
+ * x_rb = (x_rb * a) / 255
+ */
+#define UN16_rb_MUL_UN16(x, a, t) \
+ do \
+ { \
+ t = ((x) & RB_MASK) * (a); \
+ t += RB_ONE_HALF; \
+ x = (t + ((t >> G_SHIFT) & RB_MASK)) >> G_SHIFT; \
+ x &= RB_MASK; \
+ } while (0)
+
+/*
+ * x_rb = min (x_rb + y_rb, 255)
+ */
+#define UN16_rb_ADD_UN16_rb(x, y, t) \
+ do \
+ { \
+ t = ((x) + (y)); \
+ t |= RB_MASK_PLUS_ONE - ((t >> G_SHIFT) & RB_MASK); \
+ x = (t & RB_MASK); \
+ } while (0)
+
+/*
+ * x_rb = (x_rb * a_rb) / 255
+ */
+#define UN16_rb_MUL_UN16_rb(x, a, t) \
+ do \
+ { \
+ t = (x & MASK) * (a & MASK); \
+ t |= (x & R_MASK) * ((a >> R_SHIFT) & MASK); \
+ t += RB_ONE_HALF; \
+ t = (t + ((t >> G_SHIFT) & RB_MASK)) >> G_SHIFT; \
+ x = t & RB_MASK; \
+ } while (0)
+
+/*
+ * x_c = (x_c * a) / 255
+ */
+#define UN16x4_MUL_UN16(x, a) \
+ do \
+ { \
+ uint64_t r1__, r2__, t__; \
+ \
+ r1__ = (x); \
+ UN16_rb_MUL_UN16 (r1__, (a), t__); \
+ \
+ r2__ = (x) >> G_SHIFT; \
+ UN16_rb_MUL_UN16 (r2__, (a), t__); \
+ \
+ (x) = r1__ | (r2__ << G_SHIFT); \
+ } while (0)
+
+/*
+ * x_c = (x_c * a) / 255 + y_c
+ */
+#define UN16x4_MUL_UN16_ADD_UN16x4(x, a, y) \
+ do \
+ { \
+ uint64_t r1__, r2__, r3__, t__; \
+ \
+ r1__ = (x); \
+ r2__ = (y) & RB_MASK; \
+ UN16_rb_MUL_UN16 (r1__, (a), t__); \
+ UN16_rb_ADD_UN16_rb (r1__, r2__, t__); \
+ \
+ r2__ = (x) >> G_SHIFT; \
+ r3__ = ((y) >> G_SHIFT) & RB_MASK; \
+ UN16_rb_MUL_UN16 (r2__, (a), t__); \
+ UN16_rb_ADD_UN16_rb (r2__, r3__, t__); \
+ \
+ (x) = r1__ | (r2__ << G_SHIFT); \
+ } while (0)
+
+/*
+ * x_c = (x_c * a + y_c * b) / 255
+ */
+#define UN16x4_MUL_UN16_ADD_UN16x4_MUL_UN16(x, a, y, b) \
+ do \
+ { \
+ uint64_t r1__, r2__, r3__, t__; \
+ \
+ r1__ = (x); \
+ r2__ = (y); \
+ UN16_rb_MUL_UN16 (r1__, (a), t__); \
+ UN16_rb_MUL_UN16 (r2__, (b), t__); \
+ UN16_rb_ADD_UN16_rb (r1__, r2__, t__); \
+ \
+ r2__ = ((x) >> G_SHIFT); \
+ r3__ = ((y) >> G_SHIFT); \
+ UN16_rb_MUL_UN16 (r2__, (a), t__); \
+ UN16_rb_MUL_UN16 (r3__, (b), t__); \
+ UN16_rb_ADD_UN16_rb (r2__, r3__, t__); \
+ \
+ (x) = r1__ | (r2__ << G_SHIFT); \
+ } while (0)
+
+/*
+ * x_c = (x_c * a_c) / 255
+ */
+#define UN16x4_MUL_UN16x4(x, a) \
+ do \
+ { \
+ uint64_t r1__, r2__, r3__, t__; \
+ \
+ r1__ = (x); \
+ r2__ = (a); \
+ UN16_rb_MUL_UN16_rb (r1__, r2__, t__); \
+ \
+ r2__ = (x) >> G_SHIFT; \
+ r3__ = (a) >> G_SHIFT; \
+ UN16_rb_MUL_UN16_rb (r2__, r3__, t__); \
+ \
+ (x) = r1__ | (r2__ << G_SHIFT); \
+ } while (0)
+
+/*
+ * x_c = (x_c * a_c) / 255 + y_c
+ */
+#define UN16x4_MUL_UN16x4_ADD_UN16x4(x, a, y) \
+ do \
+ { \
+ uint64_t r1__, r2__, r3__, t__; \
+ \
+ r1__ = (x); \
+ r2__ = (a); \
+ UN16_rb_MUL_UN16_rb (r1__, r2__, t__); \
+ r2__ = (y) & RB_MASK; \
+ UN16_rb_ADD_UN16_rb (r1__, r2__, t__); \
+ \
+ r2__ = ((x) >> G_SHIFT); \
+ r3__ = ((a) >> G_SHIFT); \
+ UN16_rb_MUL_UN16_rb (r2__, r3__, t__); \
+ r3__ = ((y) >> G_SHIFT) & RB_MASK; \
+ UN16_rb_ADD_UN16_rb (r2__, r3__, t__); \
+ \
+ (x) = r1__ | (r2__ << G_SHIFT); \
+ } while (0)
+
+/*
+ * x_c = (x_c * a_c + y_c * b) / 255
+ */
+#define UN16x4_MUL_UN16x4_ADD_UN16x4_MUL_UN16(x, a, y, b) \
+ do \
+ { \
+ uint64_t r1__, r2__, r3__, t__; \
+ \
+ r1__ = (x); \
+ r2__ = (a); \
+ UN16_rb_MUL_UN16_rb (r1__, r2__, t__); \
+ r2__ = (y); \
+ UN16_rb_MUL_UN16 (r2__, (b), t__); \
+ UN16_rb_ADD_UN16_rb (r1__, r2__, t__); \
+ \
+ r2__ = (x) >> G_SHIFT; \
+ r3__ = (a) >> G_SHIFT; \
+ UN16_rb_MUL_UN16_rb (r2__, r3__, t__); \
+ r3__ = (y) >> G_SHIFT; \
+ UN16_rb_MUL_UN16 (r3__, (b), t__); \
+ UN16_rb_ADD_UN16_rb (r2__, r3__, t__); \
+ \
+ x = r1__ | (r2__ << G_SHIFT); \
+ } while (0)
+
+/*
+ x_c = min(x_c + y_c, 255)
+*/
+#define UN16x4_ADD_UN16x4(x, y) \
+ do \
+ { \
+ uint64_t r1__, r2__, r3__, t__; \
+ \
+ r1__ = (x) & RB_MASK; \
+ r2__ = (y) & RB_MASK; \
+ UN16_rb_ADD_UN16_rb (r1__, r2__, t__); \
+ \
+ r2__ = ((x) >> G_SHIFT) & RB_MASK; \
+ r3__ = ((y) >> G_SHIFT) & RB_MASK; \
+ UN16_rb_ADD_UN16_rb (r2__, r3__, t__); \
+ \
+ x = r1__ | (r2__ << G_SHIFT); \
+ } while (0)