Swizzler support dst_pixfmt = RGBA_{NON,}PREMUL
Binary size, before:
37856 gen/lib/c/clang-9-dynamic/wuffs-base-pixconv.lo
39552 gen/lib/c/clang-9-static/wuffs-base-pixconv.o
64536 gen/lib/c/gcc-dynamic/wuffs-base-pixconv.lo
64488 gen/lib/c/gcc-static/wuffs-base-pixconv.o
After:
41496 gen/lib/c/clang-9-dynamic/wuffs-base-pixconv.lo
43104 gen/lib/c/clang-9-static/wuffs-base-pixconv.o
72344 gen/lib/c/gcc-dynamic/wuffs-base-pixconv.lo
72328 gen/lib/c/gcc-static/wuffs-base-pixconv.o
diff --git a/internal/cgen/auxiliary/image.cc b/internal/cgen/auxiliary/image.cc
index d50cab4..3a53cf1 100644
--- a/internal/cgen/auxiliary/image.cc
+++ b/internal/cgen/auxiliary/image.cc
@@ -297,6 +297,8 @@
case WUFFS_BASE__PIXEL_FORMAT__BGR:
case WUFFS_BASE__PIXEL_FORMAT__BGRA_NONPREMUL:
case WUFFS_BASE__PIXEL_FORMAT__BGRA_PREMUL:
+ case WUFFS_BASE__PIXEL_FORMAT__RGBA_NONPREMUL:
+ case WUFFS_BASE__PIXEL_FORMAT__RGBA_PREMUL:
break;
default:
return DecodeImageResult(DecodeImage_UnsupportedPixelFormat);
diff --git a/internal/cgen/auxiliary/image.hh b/internal/cgen/auxiliary/image.hh
index 775cdc7..aac1e28 100644
--- a/internal/cgen/auxiliary/image.hh
+++ b/internal/cgen/auxiliary/image.hh
@@ -86,6 +86,8 @@
// - WUFFS_BASE__PIXEL_FORMAT__BGR
// - WUFFS_BASE__PIXEL_FORMAT__BGRA_NONPREMUL
// - WUFFS_BASE__PIXEL_FORMAT__BGRA_PREMUL
+ // - WUFFS_BASE__PIXEL_FORMAT__RGBA_NONPREMUL
+ // - WUFFS_BASE__PIXEL_FORMAT__RGBA_PREMUL
// or return image_config.pixcfg.pixel_format(). The latter means to use the
// image file's natural pixel format. For example, GIF images' natural pixel
// format is an indexed one.
diff --git a/internal/cgen/base/pixconv-submodule.c b/internal/cgen/base/pixconv-submodule.c
index 9a3e7a8..c060cb7 100644
--- a/internal/cgen/base/pixconv-submodule.c
+++ b/internal/cgen/base/pixconv-submodule.c
@@ -18,12 +18,29 @@
static inline uint32_t //
wuffs_base__swap_u32_argb_abgr(uint32_t u) {
- uint32_t o = u & 0xFF00FF00;
- uint32_t r = u & 0x00FF0000;
- uint32_t b = u & 0x000000FF;
+ uint32_t o = u & 0xFF00FF00ul;
+ uint32_t r = u & 0x00FF0000ul;
+ uint32_t b = u & 0x000000FFul;
return o | (r >> 16) | (b << 16);
}
+static inline uint64_t //
+wuffs_base__swap_u64_argb_abgr(uint64_t u) {
+ uint64_t o = u & 0xFFFF0000FFFF0000ull;
+ uint64_t r = u & 0x0000FFFF00000000ull;
+ uint64_t b = u & 0x000000000000FFFFull;
+ return o | (r >> 32) | (b << 32);
+}
+
+static inline uint32_t //
+wuffs_base__color_u64__as__color_u32__swap_u32_argb_abgr(uint64_t c) {
+ uint32_t a = ((uint32_t)(0xFF & (c >> 56)));
+ uint32_t r = ((uint32_t)(0xFF & (c >> 40)));
+ uint32_t g = ((uint32_t)(0xFF & (c >> 24)));
+ uint32_t b = ((uint32_t)(0xFF & (c >> 8)));
+ return (a << 24) | (b << 16) | (g << 8) | (r << 0);
+}
+
// --------
WUFFS_BASE__MAYBE_STATIC wuffs_base__color_u32_argb_premul //
@@ -832,34 +849,6 @@
// --------
static uint64_t //
-wuffs_base__pixel_swizzler__squash_tight_4x8_4x16le(uint8_t* dst_ptr,
- size_t dst_len,
- uint8_t* dst_palette_ptr,
- size_t dst_palette_len,
- const uint8_t* src_ptr,
- size_t src_len) {
- size_t dst_len4 = dst_len / 4;
- size_t src_len8 = src_len / 8;
- size_t len = (dst_len4 < src_len8) ? dst_len4 : src_len8;
- uint8_t* d = dst_ptr;
- const uint8_t* s = src_ptr;
-
- size_t n = len;
- while (n >= 1) {
- wuffs_base__poke_u32le__no_bounds_check(
- d + (0 * 4), wuffs_base__color_u64__as__color_u32(
- wuffs_base__peek_u64le__no_bounds_check(s + (0 * 8))));
-
- s += 1 * 8;
- d += 1 * 4;
- n -= 1;
- }
- return len;
-}
-
-// --------
-
-static uint64_t //
wuffs_base__pixel_swizzler__copy_1_1(uint8_t* dst_ptr,
size_t dst_len,
uint8_t* dst_palette_ptr,
@@ -1715,6 +1704,33 @@
}
static uint64_t //
+wuffs_base__pixel_swizzler__bgra_nonpremul__bgra_nonpremul_4x16le__src(
+ uint8_t* dst_ptr,
+ size_t dst_len,
+ uint8_t* dst_palette_ptr,
+ size_t dst_palette_len,
+ const uint8_t* src_ptr,
+ size_t src_len) {
+ size_t dst_len4 = dst_len / 4;
+ size_t src_len8 = src_len / 8;
+ size_t len = (dst_len4 < src_len8) ? dst_len4 : src_len8;
+ uint8_t* d = dst_ptr;
+ const uint8_t* s = src_ptr;
+
+ size_t n = len;
+ while (n >= 1) {
+ wuffs_base__poke_u32le__no_bounds_check(
+ d + (0 * 4), wuffs_base__color_u64__as__color_u32(
+ wuffs_base__peek_u64le__no_bounds_check(s + (0 * 8))));
+
+ s += 1 * 8;
+ d += 1 * 4;
+ n -= 1;
+ }
+ return len;
+}
+
+static uint64_t //
wuffs_base__pixel_swizzler__bgra_nonpremul__bgra_nonpremul_4x16le__src_over(
uint8_t* dst_ptr,
size_t dst_len,
@@ -2039,6 +2055,74 @@
return len;
}
+static uint64_t //
+wuffs_base__pixel_swizzler__bgra_premul__rgba_nonpremul_4x16le__src(
+ uint8_t* dst_ptr,
+ size_t dst_len,
+ uint8_t* dst_palette_ptr,
+ size_t dst_palette_len,
+ const uint8_t* src_ptr,
+ size_t src_len) {
+ size_t dst_len4 = dst_len / 4;
+ size_t src_len8 = src_len / 8;
+ size_t len = (dst_len4 < src_len8) ? dst_len4 : src_len8;
+ uint8_t* d = dst_ptr;
+ const uint8_t* s = src_ptr;
+ size_t n = len;
+
+ // TODO: unroll.
+
+ while (n >= 1) {
+ uint64_t s0 = wuffs_base__peek_u64le__no_bounds_check(s + (0 * 8));
+ wuffs_base__poke_u32le__no_bounds_check(
+ d + (0 * 4),
+ wuffs_base__swap_u32_argb_abgr(
+ wuffs_base__color_u64_argb_nonpremul__as__color_u32_argb_premul(
+ s0)));
+
+ s += 1 * 8;
+ d += 1 * 4;
+ n -= 1;
+ }
+
+ return len;
+}
+
+static uint64_t //
+wuffs_base__pixel_swizzler__bgra_premul__rgba_nonpremul_4x16le__src_over(
+ uint8_t* dst_ptr,
+ size_t dst_len,
+ uint8_t* dst_palette_ptr,
+ size_t dst_palette_len,
+ const uint8_t* src_ptr,
+ size_t src_len) {
+ size_t dst_len4 = dst_len / 4;
+ size_t src_len8 = src_len / 8;
+ size_t len = (dst_len4 < src_len8) ? dst_len4 : src_len8;
+ uint8_t* d = dst_ptr;
+ const uint8_t* s = src_ptr;
+ size_t n = len;
+
+ // TODO: unroll.
+
+ while (n >= 1) {
+ uint64_t d0 = wuffs_base__color_u32__as__color_u64(
+ wuffs_base__peek_u32le__no_bounds_check(d + (0 * 4)));
+ uint64_t s0 = wuffs_base__swap_u64_argb_abgr(
+ wuffs_base__peek_u64le__no_bounds_check(s + (0 * 8)));
+ wuffs_base__poke_u32le__no_bounds_check(
+ d + (0 * 4),
+ wuffs_base__color_u64__as__color_u32(
+ wuffs_base__composite_premul_nonpremul_u64_axxx(d0, s0)));
+
+ s += 1 * 8;
+ d += 1 * 4;
+ n -= 1;
+ }
+
+ return len;
+}
+
// --------
static uint64_t //
@@ -2185,6 +2269,101 @@
return len;
}
+static uint64_t //
+wuffs_base__pixel_swizzler__bgrw__rgbx(uint8_t* dst_ptr,
+ size_t dst_len,
+ uint8_t* dst_palette_ptr,
+ size_t dst_palette_len,
+ const uint8_t* src_ptr,
+ size_t src_len) {
+ size_t dst_len4 = dst_len / 4;
+ size_t src_len4 = src_len / 4;
+ size_t len = (dst_len4 < src_len4) ? dst_len4 : src_len4;
+ uint8_t* d = dst_ptr;
+ const uint8_t* s = src_ptr;
+ size_t n = len;
+
+ // TODO: unroll.
+
+ while (n >= 1) {
+ uint8_t b0 = s[0];
+ uint8_t b1 = s[1];
+ uint8_t b2 = s[2];
+ d[0] = b2;
+ d[1] = b1;
+ d[2] = b0;
+ d[3] = 0xFF;
+
+ s += 1 * 4;
+ d += 1 * 4;
+ n -= 1;
+ }
+
+ return len;
+}
+
+// --------
+
+static uint64_t //
+wuffs_base__pixel_swizzler__rgba_nonpremul__bgra_nonpremul_4x16le__src(
+ uint8_t* dst_ptr,
+ size_t dst_len,
+ uint8_t* dst_palette_ptr,
+ size_t dst_palette_len,
+ const uint8_t* src_ptr,
+ size_t src_len) {
+ size_t dst_len4 = dst_len / 4;
+ size_t src_len8 = src_len / 8;
+ size_t len = (dst_len4 < src_len8) ? dst_len4 : src_len8;
+ uint8_t* d = dst_ptr;
+ const uint8_t* s = src_ptr;
+
+ size_t n = len;
+ while (n >= 1) {
+ wuffs_base__poke_u32le__no_bounds_check(
+ d + (0 * 4), wuffs_base__color_u64__as__color_u32__swap_u32_argb_abgr(
+ wuffs_base__peek_u64le__no_bounds_check(s + (0 * 8))));
+
+ s += 1 * 8;
+ d += 1 * 4;
+ n -= 1;
+ }
+ return len;
+}
+
+static uint64_t //
+wuffs_base__pixel_swizzler__rgba_nonpremul__bgra_nonpremul_4x16le__src_over(
+ uint8_t* dst_ptr,
+ size_t dst_len,
+ uint8_t* dst_palette_ptr,
+ size_t dst_palette_len,
+ const uint8_t* src_ptr,
+ size_t src_len) {
+ size_t dst_len4 = dst_len / 4;
+ size_t src_len8 = src_len / 8;
+ size_t len = (dst_len4 < src_len8) ? dst_len4 : src_len8;
+ uint8_t* d = dst_ptr;
+ const uint8_t* s = src_ptr;
+ size_t n = len;
+
+ while (n >= 1) {
+ uint64_t d0 = wuffs_base__color_u32__as__color_u64(
+ wuffs_base__peek_u32le__no_bounds_check(d + (0 * 4)));
+ uint64_t s0 = wuffs_base__swap_u64_argb_abgr(
+ wuffs_base__peek_u64le__no_bounds_check(s + (0 * 8)));
+ wuffs_base__poke_u32le__no_bounds_check(
+ d + (0 * 4),
+ wuffs_base__color_u64__as__color_u32(
+ wuffs_base__composite_nonpremul_nonpremul_u64_axxx(d0, s0)));
+
+ s += 1 * 8;
+ d += 1 * 4;
+ n -= 1;
+ }
+
+ return len;
+}
+
// --------
static uint64_t //
@@ -2854,8 +3033,42 @@
return NULL;
case WUFFS_BASE__PIXEL_FORMAT__RGB:
+ // TODO.
+ break;
+
case WUFFS_BASE__PIXEL_FORMAT__RGBA_NONPREMUL:
+ if (wuffs_base__pixel_swizzler__swap_rgbx_bgrx(
+ dst_palette.ptr, dst_palette.len, NULL, 0, src_palette.ptr,
+ src_palette.len) != 256) {
+ return NULL;
+ }
+ switch (blend) {
+ case WUFFS_BASE__PIXEL_BLEND__SRC:
+ return wuffs_base__pixel_swizzler__xxxx__index__src;
+ case WUFFS_BASE__PIXEL_BLEND__SRC_OVER:
+ return wuffs_base__pixel_swizzler__bgra_nonpremul__index_bgra_nonpremul__src_over;
+ }
+ return NULL;
+
case WUFFS_BASE__PIXEL_FORMAT__RGBA_PREMUL:
+ switch (blend) {
+ case WUFFS_BASE__PIXEL_BLEND__SRC:
+ if (wuffs_base__pixel_swizzler__bgra_premul__rgba_nonpremul__src(
+ dst_palette.ptr, dst_palette.len, NULL, 0, src_palette.ptr,
+ src_palette.len) != 256) {
+ return NULL;
+ }
+ return wuffs_base__pixel_swizzler__xxxx__index__src;
+ case WUFFS_BASE__PIXEL_BLEND__SRC_OVER:
+ if (wuffs_base__pixel_swizzler__swap_rgbx_bgrx(
+ dst_palette.ptr, dst_palette.len, NULL, 0, src_palette.ptr,
+ src_palette.len) != 256) {
+ return NULL;
+ }
+ return wuffs_base__pixel_swizzler__bgra_premul__index_bgra_nonpremul__src_over;
+ }
+ return NULL;
+
case WUFFS_BASE__PIXEL_FORMAT__RGBX:
// TODO.
break;
@@ -2979,12 +3192,18 @@
return wuffs_base__pixel_swizzler__bgrw__bgr;
case WUFFS_BASE__PIXEL_FORMAT__RGB:
+ return wuffs_base__pixel_swizzler__swap_rgb_bgr;
+
case WUFFS_BASE__PIXEL_FORMAT__RGBA_NONPREMUL:
case WUFFS_BASE__PIXEL_FORMAT__RGBA_PREMUL:
case WUFFS_BASE__PIXEL_FORMAT__RGBA_BINARY:
case WUFFS_BASE__PIXEL_FORMAT__RGBX:
- // TODO.
- break;
+#if defined(WUFFS_BASE__CPU_ARCH__X86_64)
+ if (wuffs_base__cpu_arch__have_x86_sse42()) {
+ return wuffs_base__pixel_swizzler__bgrw__rgb__sse42;
+ }
+#endif
+ return wuffs_base__pixel_swizzler__bgrw__rgb;
}
return NULL;
}
@@ -3039,8 +3258,32 @@
break;
case WUFFS_BASE__PIXEL_FORMAT__RGB:
+ // TODO.
+ break;
+
case WUFFS_BASE__PIXEL_FORMAT__RGBA_NONPREMUL:
+ switch (blend) {
+ case WUFFS_BASE__PIXEL_BLEND__SRC:
+#if defined(WUFFS_BASE__CPU_ARCH__X86_64)
+ if (wuffs_base__cpu_arch__have_x86_sse42()) {
+ return wuffs_base__pixel_swizzler__swap_rgbx_bgrx__sse42;
+ }
+#endif
+ return wuffs_base__pixel_swizzler__swap_rgbx_bgrx;
+ case WUFFS_BASE__PIXEL_BLEND__SRC_OVER:
+ return wuffs_base__pixel_swizzler__bgra_nonpremul__rgba_nonpremul__src_over;
+ }
+ return NULL;
+
case WUFFS_BASE__PIXEL_FORMAT__RGBA_PREMUL:
+ switch (blend) {
+ case WUFFS_BASE__PIXEL_BLEND__SRC:
+ return wuffs_base__pixel_swizzler__bgra_premul__rgba_nonpremul__src;
+ case WUFFS_BASE__PIXEL_BLEND__SRC_OVER:
+ return wuffs_base__pixel_swizzler__bgra_premul__rgba_nonpremul__src_over;
+ }
+ return NULL;
+
case WUFFS_BASE__PIXEL_FORMAT__RGBA_BINARY:
case WUFFS_BASE__PIXEL_FORMAT__RGBX:
// TODO.
@@ -3078,7 +3321,7 @@
case WUFFS_BASE__PIXEL_FORMAT__BGRA_NONPREMUL:
switch (blend) {
case WUFFS_BASE__PIXEL_BLEND__SRC:
- return wuffs_base__pixel_swizzler__squash_tight_4x8_4x16le;
+ return wuffs_base__pixel_swizzler__bgra_nonpremul__bgra_nonpremul_4x16le__src;
case WUFFS_BASE__PIXEL_BLEND__SRC_OVER:
return wuffs_base__pixel_swizzler__bgra_nonpremul__bgra_nonpremul_4x16le__src_over;
}
@@ -3099,8 +3342,27 @@
break;
case WUFFS_BASE__PIXEL_FORMAT__RGB:
+ // TODO.
+ break;
+
case WUFFS_BASE__PIXEL_FORMAT__RGBA_NONPREMUL:
+ switch (blend) {
+ case WUFFS_BASE__PIXEL_BLEND__SRC:
+ return wuffs_base__pixel_swizzler__rgba_nonpremul__bgra_nonpremul_4x16le__src;
+ case WUFFS_BASE__PIXEL_BLEND__SRC_OVER:
+ return wuffs_base__pixel_swizzler__rgba_nonpremul__bgra_nonpremul_4x16le__src_over;
+ }
+ break;
+
case WUFFS_BASE__PIXEL_FORMAT__RGBA_PREMUL:
+ switch (blend) {
+ case WUFFS_BASE__PIXEL_BLEND__SRC:
+ return wuffs_base__pixel_swizzler__bgra_premul__rgba_nonpremul_4x16le__src;
+ case WUFFS_BASE__PIXEL_BLEND__SRC_OVER:
+ return wuffs_base__pixel_swizzler__bgra_premul__rgba_nonpremul_4x16le__src_over;
+ }
+ return NULL;
+
case WUFFS_BASE__PIXEL_FORMAT__RGBA_BINARY:
case WUFFS_BASE__PIXEL_FORMAT__RGBX:
// TODO.
@@ -3131,12 +3393,14 @@
return wuffs_base__pixel_swizzler__copy_4_4;
case WUFFS_BASE__PIXEL_FORMAT__RGB:
+ // TODO.
+ break;
+
case WUFFS_BASE__PIXEL_FORMAT__RGBA_NONPREMUL:
case WUFFS_BASE__PIXEL_FORMAT__RGBA_PREMUL:
case WUFFS_BASE__PIXEL_FORMAT__RGBA_BINARY:
case WUFFS_BASE__PIXEL_FORMAT__RGBX:
- // TODO.
- break;
+ return wuffs_base__pixel_swizzler__bgrw__rgbx;
}
return NULL;
}
@@ -3166,12 +3430,13 @@
return wuffs_base__pixel_swizzler__bgrw__rgb;
case WUFFS_BASE__PIXEL_FORMAT__RGB:
+ return wuffs_base__pixel_swizzler__copy_3_3;
+
case WUFFS_BASE__PIXEL_FORMAT__RGBA_NONPREMUL:
case WUFFS_BASE__PIXEL_FORMAT__RGBA_PREMUL:
case WUFFS_BASE__PIXEL_FORMAT__RGBA_BINARY:
case WUFFS_BASE__PIXEL_FORMAT__RGBX:
- // TODO.
- break;
+ return wuffs_base__pixel_swizzler__bgrw__bgr;
}
return NULL;
}
@@ -3231,8 +3496,27 @@
break;
case WUFFS_BASE__PIXEL_FORMAT__RGB:
+ // TODO.
+ break;
+
case WUFFS_BASE__PIXEL_FORMAT__RGBA_NONPREMUL:
+ switch (blend) {
+ case WUFFS_BASE__PIXEL_BLEND__SRC:
+ return wuffs_base__pixel_swizzler__copy_4_4;
+ case WUFFS_BASE__PIXEL_BLEND__SRC_OVER:
+ return wuffs_base__pixel_swizzler__bgra_nonpremul__bgra_nonpremul__src_over;
+ }
+ return NULL;
+
case WUFFS_BASE__PIXEL_FORMAT__RGBA_PREMUL:
+ switch (blend) {
+ case WUFFS_BASE__PIXEL_BLEND__SRC:
+ return wuffs_base__pixel_swizzler__bgra_premul__bgra_nonpremul__src;
+ case WUFFS_BASE__PIXEL_BLEND__SRC_OVER:
+ return wuffs_base__pixel_swizzler__bgra_premul__bgra_nonpremul__src_over;
+ }
+ return NULL;
+
case WUFFS_BASE__PIXEL_FORMAT__RGBA_BINARY:
case WUFFS_BASE__PIXEL_FORMAT__RGBX:
// TODO.
diff --git a/internal/cgen/data/data.go b/internal/cgen/data/data.go
index 002d99f..8f1daf8 100644
--- a/internal/cgen/data/data.go
+++ b/internal/cgen/data/data.go
@@ -548,7 +548,7 @@
""
const BasePixConvSubmoduleC = "" +
- "// ---------------- Pixel Swizzler\n\nstatic inline uint32_t //\nwuffs_base__swap_u32_argb_abgr(uint32_t u) {\n uint32_t o = u & 0xFF00FF00;\n uint32_t r = u & 0x00FF0000;\n uint32_t b = u & 0x000000FF;\n return o | (r >> 16) | (b << 16);\n}\n\n" +
+ "// ---------------- Pixel Swizzler\n\nstatic inline uint32_t //\nwuffs_base__swap_u32_argb_abgr(uint32_t u) {\n uint32_t o = u & 0xFF00FF00ul;\n uint32_t r = u & 0x00FF0000ul;\n uint32_t b = u & 0x000000FFul;\n return o | (r >> 16) | (b << 16);\n}\n\nstatic inline uint64_t //\nwuffs_base__swap_u64_argb_abgr(uint64_t u) {\n uint64_t o = u & 0xFFFF0000FFFF0000ull;\n uint64_t r = u & 0x0000FFFF00000000ull;\n uint64_t b = u & 0x000000000000FFFFull;\n return o | (r >> 32) | (b << 32);\n}\n\nstatic inline uint32_t //\nwuffs_base__color_u64__as__color_u32__swap_u32_argb_abgr(uint64_t c) {\n uint32_t a = ((uint32_t)(0xFF & (c >> 56)));\n uint32_t r = ((uint32_t)(0xFF & (c >> 40)));\n uint32_t g = ((uint32_t)(0xFF & (c >> 24)));\n uint32_t b = ((uint32_t)(0xFF & (c >> 8)));\n return (a << 24) | (b << 16) | (g << 8) | (r << 0);\n}\n\n" +
"" +
"// --------\n\nWUFFS_BASE__MAYBE_STATIC wuffs_base__color_u32_argb_premul //\nwuffs_base__pixel_buffer__color_u32_at(const wuffs_base__pixel_buffer* pb,\n uint32_t x,\n uint32_t y) {\n if (!pb || (x >= pb->pixcfg.private_impl.width) ||\n (y >= pb->pixcfg.private_impl.height)) {\n return 0;\n }\n\n if (wuffs_base__pixel_format__is_planar(&pb->pixcfg.private_impl.pixfmt)) {\n // TODO: support planar formats.\n return 0;\n }\n\n size_t stride = pb->private_impl.planes[0].stride;\n const uint8_t* row = pb->private_impl.planes[0].ptr + (stride * ((size_t)y));\n\n switch (pb->pixcfg.private_impl.pixfmt.repr) {\n case WUFFS_BASE__PIXEL_FORMAT__BGRA_PREMUL:\n case WUFFS_BASE__PIXEL_FORMAT__BGRA_BINARY:\n return wuffs_base__peek_u32le__no_bounds_check(row + (4 * ((size_t)x)));\n\n case WUFFS_BASE__PIXEL_FORMAT__INDEXED__BGRA_PREMUL:\n case WUFFS_BASE__PIXEL_FORMAT__INDEXED__BGRA_BINARY: {\n uint8_t* palette = pb->private_impl" +
".planes[3].ptr;\n return wuffs_base__peek_u32le__no_bounds_check(palette +\n (4 * ((size_t)row[x])));\n }\n\n // Common formats above. Rarer formats below.\n\n case WUFFS_BASE__PIXEL_FORMAT__Y:\n return 0xFF000000 | (0x00010101 * ((uint32_t)(row[x])));\n case WUFFS_BASE__PIXEL_FORMAT__Y_16LE:\n return 0xFF000000 | (0x00010101 * ((uint32_t)(row[(2 * x) + 1])));\n case WUFFS_BASE__PIXEL_FORMAT__Y_16BE:\n return 0xFF000000 | (0x00010101 * ((uint32_t)(row[(2 * x) + 0])));\n\n case WUFFS_BASE__PIXEL_FORMAT__INDEXED__BGRA_NONPREMUL: {\n uint8_t* palette = pb->private_impl.planes[3].ptr;\n return wuffs_base__color_u32_argb_nonpremul__as__color_u32_argb_premul(\n wuffs_base__peek_u32le__no_bounds_check(palette +\n (4 * ((size_t)row[x]))));\n }\n\n case WUFFS_BASE__PIXEL_FORMAT__BGR_565:\n return wuffs_base__color_u16_rgb_565__as__color_u32_argb_premul(\n wuffs_ba" +
@@ -587,8 +587,6 @@
"_ptr,\n size_t dst_palette_len,\n const uint8_t* src_ptr,\n size_t src_len) {\n size_t len = (dst_len < src_len ? dst_len : src_len) / 4;\n uint8_t* d = dst_ptr;\n const uint8_t* s = src_ptr;\n size_t n = len;\n\n __m128i shuffle = _mm_set_epi8(+0x0F, +0x0C, +0x0D, +0x0E, //\n +0x0B, +0x08, +0x09, +0x0A, //\n +0x07, +0x04, +0x05, +0x06, //\n +0x03, +0x00, +0x01, +0x02);\n\n while (n >= 4) {\n __m128i x;\n x = _mm_lddqu_si128((const __m128i*)(const void*)s);\n x = _mm_shuffle_epi8(x, shuffle);\n _mm_storeu_si128((__m128i*)(void*)d, x);\n\n s += 4 * 4;\n d += 4 * 4;\n n -= 4;\n }\n\n while (n--) {\n uint8_t b0 = s[0];\n uint8_t b1 = s[1];\n uint8_t b2 = s[2];\n uint8_t b3 = s[3];\n d[0] = b2;\n d[1] = b1;\n d[2] = b0;\n d[3] = b3;\n s += 4;\n d +" +
"= 4;\n }\n return len;\n}\n#endif // defined(WUFFS_BASE__CPU_ARCH__X86_64)\n\nstatic uint64_t //\nwuffs_base__pixel_swizzler__swap_rgbx_bgrx(uint8_t* dst_ptr,\n size_t dst_len,\n uint8_t* dst_palette_ptr,\n size_t dst_palette_len,\n const uint8_t* src_ptr,\n size_t src_len) {\n size_t len = (dst_len < src_len ? dst_len : src_len) / 4;\n uint8_t* d = dst_ptr;\n const uint8_t* s = src_ptr;\n\n size_t n = len;\n while (n--) {\n uint8_t b0 = s[0];\n uint8_t b1 = s[1];\n uint8_t b2 = s[2];\n uint8_t b3 = s[3];\n d[0] = b2;\n d[1] = b1;\n d[2] = b0;\n d[3] = b3;\n s += 4;\n d += 4;\n }\n return len;\n}\n\n" +
"" +
- "// --------\n\nstatic uint64_t //\nwuffs_base__pixel_swizzler__squash_tight_4x8_4x16le(uint8_t* dst_ptr,\n size_t dst_len,\n uint8_t* dst_palette_ptr,\n size_t dst_palette_len,\n const uint8_t* src_ptr,\n size_t src_len) {\n size_t dst_len4 = dst_len / 4;\n size_t src_len8 = src_len / 8;\n size_t len = (dst_len4 < src_len8) ? dst_len4 : src_len8;\n uint8_t* d = dst_ptr;\n const uint8_t* s = src_ptr;\n\n size_t n = len;\n while (n >= 1) {\n wuffs_base__poke_u32le__no_bounds_check(\n d + (0 * 4), wuffs_base__color_u64__as__color_u32(\n wuffs_base__peek_u64le__no_bounds_check(s + (0 * 8))));\n\n s += 1 * 8;\n d += 1 * 4;\n n -= 1;\n }\n return len;\n}\n\n" +
- "" +
"// --------\n\nstatic uint64_t //\nwuffs_base__pixel_swizzler__copy_1_1(uint8_t* dst_ptr,\n size_t dst_len,\n uint8_t* dst_palette_ptr,\n size_t dst_palette_len,\n const uint8_t* src_ptr,\n size_t src_len) {\n size_t len = (dst_len < src_len) ? dst_len : src_len;\n if (len > 0) {\n memmove(dst_ptr, src_ptr, len);\n }\n return len;\n}\n\nstatic uint64_t //\nwuffs_base__pixel_swizzler__copy_3_3(uint8_t* dst_ptr,\n size_t dst_len,\n uint8_t* dst_palette_ptr,\n size_t dst_palette_len,\n const uint8_t* src_ptr,\n size_t src_len) {\n size_t dst_len3 = dst_len / 3;\n size_t src_len3 = src_len / 3;\n size_t len = (dst_len3 < src_len3) ? dst_len3 : src_len3;\n if (len > 0) {\n " +
" memmove(dst_ptr, src_ptr, len * 3);\n }\n return len;\n}\n\nstatic uint64_t //\nwuffs_base__pixel_swizzler__copy_4_4(uint8_t* dst_ptr,\n size_t dst_len,\n uint8_t* dst_palette_ptr,\n size_t dst_palette_len,\n const uint8_t* src_ptr,\n size_t src_len) {\n size_t dst_len4 = dst_len / 4;\n size_t src_len4 = src_len / 4;\n size_t len = (dst_len4 < src_len4) ? dst_len4 : src_len4;\n if (len > 0) {\n memmove(dst_ptr, src_ptr, len * 4);\n }\n return len;\n}\n\n" +
"" +
@@ -617,23 +615,29 @@
"\n uint8_t* d = dst_ptr;\n const uint8_t* s = src_ptr;\n size_t n = len;\n\n // TODO: unroll.\n\n while (n >= 1) {\n uint32_t s0 = wuffs_base__swap_u32_argb_abgr(\n wuffs_base__color_u32_argb_nonpremul__as__color_u32_argb_premul(\n wuffs_base__peek_u32le__no_bounds_check(s + (0 * 4))));\n wuffs_base__poke_u24le__no_bounds_check(d + (0 * 3), s0);\n\n s += 1 * 4;\n d += 1 * 3;\n n -= 1;\n }\n\n return len;\n}\n\nstatic uint64_t //\nwuffs_base__pixel_swizzler__bgr__rgba_nonpremul__src_over(\n uint8_t* dst_ptr,\n size_t dst_len,\n uint8_t* dst_palette_ptr,\n size_t dst_palette_len,\n const uint8_t* src_ptr,\n size_t src_len) {\n size_t dst_len3 = dst_len / 3;\n size_t src_len4 = src_len / 4;\n size_t len = (dst_len3 < src_len4) ? dst_len3 : src_len4;\n uint8_t* d = dst_ptr;\n const uint8_t* s = src_ptr;\n size_t n = len;\n\n // TODO: unroll.\n\n while (n >= 1) {\n // Extract 16-bit color components.\n uint32_t sa = 0x101 * ((uint32_t)s[3]);\n uint32_t sb = 0x101 * ((uint32_t)s[2" +
"]);\n uint32_t sg = 0x101 * ((uint32_t)s[1]);\n uint32_t sr = 0x101 * ((uint32_t)s[0]);\n uint32_t dr = 0x101 * ((uint32_t)d[2]);\n uint32_t dg = 0x101 * ((uint32_t)d[1]);\n uint32_t db = 0x101 * ((uint32_t)d[0]);\n\n // Calculate the inverse of the src-alpha: how much of the dst to keep.\n uint32_t ia = 0xFFFF - sa;\n\n // Composite src (nonpremul) over dst (premul).\n dr = ((sr * sa) + (dr * ia)) / 0xFFFF;\n dg = ((sg * sa) + (dg * ia)) / 0xFFFF;\n db = ((sb * sa) + (db * ia)) / 0xFFFF;\n\n // Convert from 16-bit color to 8-bit color.\n d[0] = (uint8_t)(db >> 8);\n d[1] = (uint8_t)(dg >> 8);\n d[2] = (uint8_t)(dr >> 8);\n\n s += 1 * 4;\n d += 1 * 3;\n n -= 1;\n }\n\n return len;\n}\n\n" +
"" +
- "// --------\n\nstatic uint64_t //\nwuffs_base__pixel_swizzler__bgra_nonpremul__bgra_nonpremul__src_over(\n uint8_t* dst_ptr,\n size_t dst_len,\n uint8_t* dst_palette_ptr,\n size_t dst_palette_len,\n const uint8_t* src_ptr,\n size_t src_len) {\n size_t dst_len4 = dst_len / 4;\n size_t src_len4 = src_len / 4;\n size_t len = (dst_len4 < src_len4) ? dst_len4 : src_len4;\n uint8_t* d = dst_ptr;\n const uint8_t* s = src_ptr;\n size_t n = len;\n\n while (n >= 1) {\n uint32_t d0 = wuffs_base__peek_u32le__no_bounds_check(d + (0 * 4));\n uint32_t s0 = wuffs_base__peek_u32le__no_bounds_check(s + (0 * 4));\n wuffs_base__poke_u32le__no_bounds_check(\n d + (0 * 4),\n wuffs_base__composite_nonpremul_nonpremul_u32_axxx(d0, s0));\n\n s += 1 * 4;\n d += 1 * 4;\n n -= 1;\n }\n\n return len;\n}\n\nstatic uint64_t //\nwuffs_base__pixel_swizzler__bgra_nonpremul__bgra_nonpremul_4x16le__src_over(\n uint8_t* dst_ptr,\n size_t dst_len,\n uint8_t* dst_palette_ptr,\n size_t dst_palette_len,\n const " +
- "uint8_t* src_ptr,\n size_t src_len) {\n size_t dst_len4 = dst_len / 4;\n size_t src_len8 = src_len / 8;\n size_t len = (dst_len4 < src_len8) ? dst_len4 : src_len8;\n uint8_t* d = dst_ptr;\n const uint8_t* s = src_ptr;\n size_t n = len;\n\n while (n >= 1) {\n uint64_t d0 = wuffs_base__color_u32__as__color_u64(\n wuffs_base__peek_u32le__no_bounds_check(d + (0 * 4)));\n uint64_t s0 = wuffs_base__peek_u64le__no_bounds_check(s + (0 * 8));\n wuffs_base__poke_u32le__no_bounds_check(\n d + (0 * 4),\n wuffs_base__color_u64__as__color_u32(\n wuffs_base__composite_nonpremul_nonpremul_u64_axxx(d0, s0)));\n\n s += 1 * 8;\n d += 1 * 4;\n n -= 1;\n }\n\n return len;\n}\n\nstatic uint64_t //\nwuffs_base__pixel_swizzler__bgra_nonpremul__index_bgra_nonpremul__src_over(\n uint8_t* dst_ptr,\n size_t dst_len,\n uint8_t* dst_palette_ptr,\n size_t dst_palette_len,\n const uint8_t* src_ptr,\n size_t src_len) {\n if (dst_palette_len != 1024) {\n return 0;\n }\n size_t dst_len4 = dst_l" +
- "en / 4;\n size_t len = (dst_len4 < src_len) ? dst_len4 : src_len;\n uint8_t* d = dst_ptr;\n const uint8_t* s = src_ptr;\n size_t n = len;\n\n // TODO: unroll.\n\n while (n >= 1) {\n uint32_t d0 = wuffs_base__peek_u32le__no_bounds_check(d + (0 * 4));\n uint32_t s0 = wuffs_base__peek_u32le__no_bounds_check(dst_palette_ptr +\n ((size_t)s[0] * 4));\n wuffs_base__poke_u32le__no_bounds_check(\n d + (0 * 4),\n wuffs_base__composite_nonpremul_nonpremul_u32_axxx(d0, s0));\n\n s += 1 * 1;\n d += 1 * 4;\n n -= 1;\n }\n\n return len;\n}\n\nstatic uint64_t //\nwuffs_base__pixel_swizzler__bgra_nonpremul__rgba_nonpremul__src_over(\n uint8_t* dst_ptr,\n size_t dst_len,\n uint8_t* dst_palette_ptr,\n size_t dst_palette_len,\n const uint8_t* src_ptr,\n size_t src_len) {\n size_t dst_len4 = dst_len / 4;\n size_t src_len4 = src_len / 4;\n size_t len = (dst_len4 < src_len4) ? dst_len4 : src_len4;\n uint8_t* d = dst_ptr;\n const uint8_t* s = src_pt" +
- "r;\n size_t n = len;\n\n while (n >= 1) {\n uint32_t d0 = wuffs_base__peek_u32le__no_bounds_check(d + (0 * 4));\n uint32_t s0 = wuffs_base__swap_u32_argb_abgr(\n wuffs_base__peek_u32le__no_bounds_check(s + (0 * 4)));\n wuffs_base__poke_u32le__no_bounds_check(\n d + (0 * 4),\n wuffs_base__composite_nonpremul_nonpremul_u32_axxx(d0, s0));\n\n s += 1 * 4;\n d += 1 * 4;\n n -= 1;\n }\n\n return len;\n}\n\n" +
+ "// --------\n\nstatic uint64_t //\nwuffs_base__pixel_swizzler__bgra_nonpremul__bgra_nonpremul__src_over(\n uint8_t* dst_ptr,\n size_t dst_len,\n uint8_t* dst_palette_ptr,\n size_t dst_palette_len,\n const uint8_t* src_ptr,\n size_t src_len) {\n size_t dst_len4 = dst_len / 4;\n size_t src_len4 = src_len / 4;\n size_t len = (dst_len4 < src_len4) ? dst_len4 : src_len4;\n uint8_t* d = dst_ptr;\n const uint8_t* s = src_ptr;\n size_t n = len;\n\n while (n >= 1) {\n uint32_t d0 = wuffs_base__peek_u32le__no_bounds_check(d + (0 * 4));\n uint32_t s0 = wuffs_base__peek_u32le__no_bounds_check(s + (0 * 4));\n wuffs_base__poke_u32le__no_bounds_check(\n d + (0 * 4),\n wuffs_base__composite_nonpremul_nonpremul_u32_axxx(d0, s0));\n\n s += 1 * 4;\n d += 1 * 4;\n n -= 1;\n }\n\n return len;\n}\n\nstatic uint64_t //\nwuffs_base__pixel_swizzler__bgra_nonpremul__bgra_nonpremul_4x16le__src(\n uint8_t* dst_ptr,\n size_t dst_len,\n uint8_t* dst_palette_ptr,\n size_t dst_palette_len,\n const uint8" +
+ "_t* src_ptr,\n size_t src_len) {\n size_t dst_len4 = dst_len / 4;\n size_t src_len8 = src_len / 8;\n size_t len = (dst_len4 < src_len8) ? dst_len4 : src_len8;\n uint8_t* d = dst_ptr;\n const uint8_t* s = src_ptr;\n\n size_t n = len;\n while (n >= 1) {\n wuffs_base__poke_u32le__no_bounds_check(\n d + (0 * 4), wuffs_base__color_u64__as__color_u32(\n wuffs_base__peek_u64le__no_bounds_check(s + (0 * 8))));\n\n s += 1 * 8;\n d += 1 * 4;\n n -= 1;\n }\n return len;\n}\n\nstatic uint64_t //\nwuffs_base__pixel_swizzler__bgra_nonpremul__bgra_nonpremul_4x16le__src_over(\n uint8_t* dst_ptr,\n size_t dst_len,\n uint8_t* dst_palette_ptr,\n size_t dst_palette_len,\n const uint8_t* src_ptr,\n size_t src_len) {\n size_t dst_len4 = dst_len / 4;\n size_t src_len8 = src_len / 8;\n size_t len = (dst_len4 < src_len8) ? dst_len4 : src_len8;\n uint8_t* d = dst_ptr;\n const uint8_t* s = src_ptr;\n size_t n = len;\n\n while (n >= 1) {\n uint64_t d0 = wuffs_base__color_u32__as__color_u64(" +
+ "\n wuffs_base__peek_u32le__no_bounds_check(d + (0 * 4)));\n uint64_t s0 = wuffs_base__peek_u64le__no_bounds_check(s + (0 * 8));\n wuffs_base__poke_u32le__no_bounds_check(\n d + (0 * 4),\n wuffs_base__color_u64__as__color_u32(\n wuffs_base__composite_nonpremul_nonpremul_u64_axxx(d0, s0)));\n\n s += 1 * 8;\n d += 1 * 4;\n n -= 1;\n }\n\n return len;\n}\n\nstatic uint64_t //\nwuffs_base__pixel_swizzler__bgra_nonpremul__index_bgra_nonpremul__src_over(\n uint8_t* dst_ptr,\n size_t dst_len,\n uint8_t* dst_palette_ptr,\n size_t dst_palette_len,\n const uint8_t* src_ptr,\n size_t src_len) {\n if (dst_palette_len != 1024) {\n return 0;\n }\n size_t dst_len4 = dst_len / 4;\n size_t len = (dst_len4 < src_len) ? dst_len4 : src_len;\n uint8_t* d = dst_ptr;\n const uint8_t* s = src_ptr;\n size_t n = len;\n\n // TODO: unroll.\n\n while (n >= 1) {\n uint32_t d0 = wuffs_base__peek_u32le__no_bounds_check(d + (0 * 4));\n uint32_t s0 = wuffs_base__peek_u32le__no_bounds_check(dst_p" +
+ "alette_ptr +\n ((size_t)s[0] * 4));\n wuffs_base__poke_u32le__no_bounds_check(\n d + (0 * 4),\n wuffs_base__composite_nonpremul_nonpremul_u32_axxx(d0, s0));\n\n s += 1 * 1;\n d += 1 * 4;\n n -= 1;\n }\n\n return len;\n}\n\nstatic uint64_t //\nwuffs_base__pixel_swizzler__bgra_nonpremul__rgba_nonpremul__src_over(\n uint8_t* dst_ptr,\n size_t dst_len,\n uint8_t* dst_palette_ptr,\n size_t dst_palette_len,\n const uint8_t* src_ptr,\n size_t src_len) {\n size_t dst_len4 = dst_len / 4;\n size_t src_len4 = src_len / 4;\n size_t len = (dst_len4 < src_len4) ? dst_len4 : src_len4;\n uint8_t* d = dst_ptr;\n const uint8_t* s = src_ptr;\n size_t n = len;\n\n while (n >= 1) {\n uint32_t d0 = wuffs_base__peek_u32le__no_bounds_check(d + (0 * 4));\n uint32_t s0 = wuffs_base__swap_u32_argb_abgr(\n wuffs_base__peek_u32le__no_bounds_check(s + (0 * 4)));\n wuffs_base__poke_u32le__no_bounds_check(\n d + (0 * 4),\n wuffs_base__c" +
+ "omposite_nonpremul_nonpremul_u32_axxx(d0, s0));\n\n s += 1 * 4;\n d += 1 * 4;\n n -= 1;\n }\n\n return len;\n}\n\n" +
"" +
"// --------\n\nstatic uint64_t //\nwuffs_base__pixel_swizzler__bgra_premul__bgra_nonpremul__src(\n uint8_t* dst_ptr,\n size_t dst_len,\n uint8_t* dst_palette_ptr,\n size_t dst_palette_len,\n const uint8_t* src_ptr,\n size_t src_len) {\n size_t dst_len4 = dst_len / 4;\n size_t src_len4 = src_len / 4;\n size_t len = (dst_len4 < src_len4) ? dst_len4 : src_len4;\n uint8_t* d = dst_ptr;\n const uint8_t* s = src_ptr;\n size_t n = len;\n\n // TODO: unroll.\n\n while (n >= 1) {\n uint32_t s0 = wuffs_base__peek_u32le__no_bounds_check(s + (0 * 4));\n wuffs_base__poke_u32le__no_bounds_check(\n d + (0 * 4),\n wuffs_base__color_u32_argb_nonpremul__as__color_u32_argb_premul(s0));\n\n s += 1 * 4;\n d += 1 * 4;\n n -= 1;\n }\n\n return len;\n}\n\nstatic uint64_t //\nwuffs_base__pixel_swizzler__bgra_premul__bgra_nonpremul_4x16le__src(\n uint8_t* dst_ptr,\n size_t dst_len,\n uint8_t* dst_palette_ptr,\n size_t dst_palette_len,\n const uint8_t* src_ptr,\n size_t src_len) {\n size_t dst_len4 =" +
" dst_len / 4;\n size_t src_len8 = src_len / 8;\n size_t len = (dst_len4 < src_len8) ? dst_len4 : src_len8;\n uint8_t* d = dst_ptr;\n const uint8_t* s = src_ptr;\n size_t n = len;\n\n // TODO: unroll.\n\n while (n >= 1) {\n uint64_t s0 = wuffs_base__peek_u64le__no_bounds_check(s + (0 * 8));\n wuffs_base__poke_u32le__no_bounds_check(\n d + (0 * 4),\n wuffs_base__color_u64_argb_nonpremul__as__color_u32_argb_premul(s0));\n\n s += 1 * 8;\n d += 1 * 4;\n n -= 1;\n }\n\n return len;\n}\n\nstatic uint64_t //\nwuffs_base__pixel_swizzler__bgra_premul__bgra_nonpremul__src_over(\n uint8_t* dst_ptr,\n size_t dst_len,\n uint8_t* dst_palette_ptr,\n size_t dst_palette_len,\n const uint8_t* src_ptr,\n size_t src_len) {\n size_t dst_len4 = dst_len / 4;\n size_t src_len4 = src_len / 4;\n size_t len = (dst_len4 < src_len4) ? dst_len4 : src_len4;\n uint8_t* d = dst_ptr;\n const uint8_t* s = src_ptr;\n size_t n = len;\n\n // TODO: unroll.\n\n while (n >= 1) {\n uint32_t d0 = wuffs_base__peek_u32le__no_bo" +
"unds_check(d + (0 * 4));\n uint32_t s0 = wuffs_base__peek_u32le__no_bounds_check(s + (0 * 4));\n wuffs_base__poke_u32le__no_bounds_check(\n d + (0 * 4), wuffs_base__composite_premul_nonpremul_u32_axxx(d0, s0));\n\n s += 1 * 4;\n d += 1 * 4;\n n -= 1;\n }\n\n return len;\n}\n\nstatic uint64_t //\nwuffs_base__pixel_swizzler__bgra_premul__bgra_nonpremul_4x16le__src_over(\n uint8_t* dst_ptr,\n size_t dst_len,\n uint8_t* dst_palette_ptr,\n size_t dst_palette_len,\n const uint8_t* src_ptr,\n size_t src_len) {\n size_t dst_len4 = dst_len / 4;\n size_t src_len8 = src_len / 8;\n size_t len = (dst_len4 < src_len8) ? dst_len4 : src_len8;\n uint8_t* d = dst_ptr;\n const uint8_t* s = src_ptr;\n size_t n = len;\n\n // TODO: unroll.\n\n while (n >= 1) {\n uint64_t d0 = wuffs_base__color_u32__as__color_u64(\n wuffs_base__peek_u32le__no_bounds_check(d + (0 * 4)));\n uint64_t s0 = wuffs_base__peek_u64le__no_bounds_check(s + (0 * 8));\n wuffs_base__poke_u32le__no_bounds_check(\n d + (0 * 4" +
"),\n wuffs_base__color_u64__as__color_u32(\n wuffs_base__composite_premul_nonpremul_u64_axxx(d0, s0)));\n\n s += 1 * 8;\n d += 1 * 4;\n n -= 1;\n }\n\n return len;\n}\n\nstatic uint64_t //\nwuffs_base__pixel_swizzler__bgra_premul__index_bgra_nonpremul__src_over(\n uint8_t* dst_ptr,\n size_t dst_len,\n uint8_t* dst_palette_ptr,\n size_t dst_palette_len,\n const uint8_t* src_ptr,\n size_t src_len) {\n if (dst_palette_len != 1024) {\n return 0;\n }\n size_t dst_len4 = dst_len / 4;\n size_t len = (dst_len4 < src_len) ? dst_len4 : src_len;\n uint8_t* d = dst_ptr;\n const uint8_t* s = src_ptr;\n size_t n = len;\n\n // TODO: unroll.\n\n while (n >= 1) {\n uint32_t d0 = wuffs_base__peek_u32le__no_bounds_check(d + (0 * 4));\n uint32_t s0 = wuffs_base__peek_u32le__no_bounds_check(dst_palette_ptr +\n ((size_t)s[0] * 4));\n wuffs_base__poke_u32le__no_bounds_check(\n d + (0 * 4), wuffs_base__composite_premul_nonpremul_u32_axxx" +
"(d0, s0));\n\n s += 1 * 1;\n d += 1 * 4;\n n -= 1;\n }\n\n return len;\n}\n\nstatic uint64_t //\nwuffs_base__pixel_swizzler__bgra_premul__rgba_nonpremul__src(\n uint8_t* dst_ptr,\n size_t dst_len,\n uint8_t* dst_palette_ptr,\n size_t dst_palette_len,\n const uint8_t* src_ptr,\n size_t src_len) {\n size_t dst_len4 = dst_len / 4;\n size_t src_len4 = src_len / 4;\n size_t len = (dst_len4 < src_len4) ? dst_len4 : src_len4;\n uint8_t* d = dst_ptr;\n const uint8_t* s = src_ptr;\n size_t n = len;\n\n // TODO: unroll.\n\n while (n >= 1) {\n uint32_t s0 = wuffs_base__swap_u32_argb_abgr(\n wuffs_base__peek_u32le__no_bounds_check(s + (0 * 4)));\n wuffs_base__poke_u32le__no_bounds_check(\n d + (0 * 4),\n wuffs_base__color_u32_argb_nonpremul__as__color_u32_argb_premul(s0));\n\n s += 1 * 4;\n d += 1 * 4;\n n -= 1;\n }\n\n return len;\n}\n\nstatic uint64_t //\nwuffs_base__pixel_swizzler__bgra_premul__rgba_nonpremul__src_over(\n uint8_t* dst_ptr,\n size_t dst_len,\n uint8_t* dst_palett" +
- "e_ptr,\n size_t dst_palette_len,\n const uint8_t* src_ptr,\n size_t src_len) {\n size_t dst_len4 = dst_len / 4;\n size_t src_len4 = src_len / 4;\n size_t len = (dst_len4 < src_len4) ? dst_len4 : src_len4;\n uint8_t* d = dst_ptr;\n const uint8_t* s = src_ptr;\n size_t n = len;\n\n // TODO: unroll.\n\n while (n >= 1) {\n uint32_t d0 = wuffs_base__peek_u32le__no_bounds_check(d + (0 * 4));\n uint32_t s0 = wuffs_base__swap_u32_argb_abgr(\n wuffs_base__peek_u32le__no_bounds_check(s + (0 * 4)));\n wuffs_base__poke_u32le__no_bounds_check(\n d + (0 * 4), wuffs_base__composite_premul_nonpremul_u32_axxx(d0, s0));\n\n s += 1 * 4;\n d += 1 * 4;\n n -= 1;\n }\n\n return len;\n}\n\n" +
+ "e_ptr,\n size_t dst_palette_len,\n const uint8_t* src_ptr,\n size_t src_len) {\n size_t dst_len4 = dst_len / 4;\n size_t src_len4 = src_len / 4;\n size_t len = (dst_len4 < src_len4) ? dst_len4 : src_len4;\n uint8_t* d = dst_ptr;\n const uint8_t* s = src_ptr;\n size_t n = len;\n\n // TODO: unroll.\n\n while (n >= 1) {\n uint32_t d0 = wuffs_base__peek_u32le__no_bounds_check(d + (0 * 4));\n uint32_t s0 = wuffs_base__swap_u32_argb_abgr(\n wuffs_base__peek_u32le__no_bounds_check(s + (0 * 4)));\n wuffs_base__poke_u32le__no_bounds_check(\n d + (0 * 4), wuffs_base__composite_premul_nonpremul_u32_axxx(d0, s0));\n\n s += 1 * 4;\n d += 1 * 4;\n n -= 1;\n }\n\n return len;\n}\n\nstatic uint64_t //\nwuffs_base__pixel_swizzler__bgra_premul__rgba_nonpremul_4x16le__src(\n uint8_t* dst_ptr,\n size_t dst_len,\n uint8_t* dst_palette_ptr,\n size_t dst_palette_len,\n const uint8_t* src_ptr,\n size_t src_len) {\n size_t dst_len4 = dst_len / 4;\n size_t src_len8 = src_len / 8;\n size_t len = (dst_" +
+ "len4 < src_len8) ? dst_len4 : src_len8;\n uint8_t* d = dst_ptr;\n const uint8_t* s = src_ptr;\n size_t n = len;\n\n // TODO: unroll.\n\n while (n >= 1) {\n uint64_t s0 = wuffs_base__peek_u64le__no_bounds_check(s + (0 * 8));\n wuffs_base__poke_u32le__no_bounds_check(\n d + (0 * 4),\n wuffs_base__swap_u32_argb_abgr(\n wuffs_base__color_u64_argb_nonpremul__as__color_u32_argb_premul(\n s0)));\n\n s += 1 * 8;\n d += 1 * 4;\n n -= 1;\n }\n\n return len;\n}\n\nstatic uint64_t //\nwuffs_base__pixel_swizzler__bgra_premul__rgba_nonpremul_4x16le__src_over(\n uint8_t* dst_ptr,\n size_t dst_len,\n uint8_t* dst_palette_ptr,\n size_t dst_palette_len,\n const uint8_t* src_ptr,\n size_t src_len) {\n size_t dst_len4 = dst_len / 4;\n size_t src_len8 = src_len / 8;\n size_t len = (dst_len4 < src_len8) ? dst_len4 : src_len8;\n uint8_t* d = dst_ptr;\n const uint8_t* s = src_ptr;\n size_t n = len;\n\n // TODO: unroll.\n\n while (n >= 1) {\n uint64_t d0 = wuffs_base__color_u32__as__" +
+ "color_u64(\n wuffs_base__peek_u32le__no_bounds_check(d + (0 * 4)));\n uint64_t s0 = wuffs_base__swap_u64_argb_abgr(\n wuffs_base__peek_u64le__no_bounds_check(s + (0 * 8)));\n wuffs_base__poke_u32le__no_bounds_check(\n d + (0 * 4),\n wuffs_base__color_u64__as__color_u32(\n wuffs_base__composite_premul_nonpremul_u64_axxx(d0, s0)));\n\n s += 1 * 8;\n d += 1 * 4;\n n -= 1;\n }\n\n return len;\n}\n\n" +
"" +
"// --------\n\nstatic uint64_t //\nwuffs_base__pixel_swizzler__bgrw__bgr(uint8_t* dst_ptr,\n size_t dst_len,\n uint8_t* dst_palette_ptr,\n size_t dst_palette_len,\n const uint8_t* src_ptr,\n size_t src_len) {\n size_t dst_len4 = dst_len / 4;\n size_t src_len3 = src_len / 3;\n size_t len = (dst_len4 < src_len3) ? dst_len4 : src_len3;\n uint8_t* d = dst_ptr;\n const uint8_t* s = src_ptr;\n size_t n = len;\n\n // TODO: unroll.\n\n while (n >= 1) {\n wuffs_base__poke_u32le__no_bounds_check(\n d + (0 * 4),\n 0xFF000000 | wuffs_base__peek_u24le__no_bounds_check(s + (0 * 3)));\n\n s += 1 * 3;\n d += 1 * 4;\n n -= 1;\n }\n\n return len;\n}\n\nstatic uint64_t //\nwuffs_base__pixel_swizzler__bgrw__bgrx(uint8_t* dst_ptr,\n size_t dst_len,\n uint8_t* dst_palett" +
"e_ptr,\n size_t dst_palette_len,\n const uint8_t* src_ptr,\n size_t src_len) {\n size_t dst_len4 = dst_len / 4;\n size_t src_len4 = src_len / 4;\n size_t len = (dst_len4 < src_len4) ? dst_len4 : src_len4;\n uint8_t* d = dst_ptr;\n const uint8_t* s = src_ptr;\n size_t n = len;\n\n // TODO: unroll.\n\n while (n >= 1) {\n wuffs_base__poke_u32le__no_bounds_check(\n d + (0 * 4),\n 0xFF000000 | wuffs_base__peek_u32le__no_bounds_check(s + (0 * 4)));\n\n s += 1 * 4;\n d += 1 * 4;\n n -= 1;\n }\n\n return len;\n}\n\n#if defined(WUFFS_BASE__CPU_ARCH__X86_64)\nWUFFS_BASE__MAYBE_ATTRIBUTE_TARGET(\"sse4.2\")\nstatic uint64_t //\nwuffs_base__pixel_swizzler__bgrw__rgb__sse42(uint8_t* dst_ptr,\n size_t dst_len,\n uint8_t* dst_palette_ptr,\n size_t dst_palette_len,\n " +
" const uint8_t* src_ptr,\n size_t src_len) {\n size_t dst_len4 = dst_len / 4;\n size_t src_len3 = src_len / 3;\n size_t len = (dst_len4 < src_len3) ? dst_len4 : src_len3;\n uint8_t* d = dst_ptr;\n const uint8_t* s = src_ptr;\n size_t n = len;\n\n __m128i shuffle = _mm_set_epi8(+0x00, +0x09, +0x0A, +0x0B, //\n +0x00, +0x06, +0x07, +0x08, //\n +0x00, +0x03, +0x04, +0x05, //\n +0x00, +0x00, +0x01, +0x02);\n __m128i or_ff = _mm_set_epi8(-0x01, +0x00, +0x00, +0x00, //\n -0x01, +0x00, +0x00, +0x00, //\n -0x01, +0x00, +0x00, +0x00, //\n -0x01, +0x00, +0x00, +0x00);\n\n while (n >= 6) {\n __m128i x;\n x = _mm_lddqu_si128((const __m128i*)(const void*)s);\n x = _mm_shuffle_epi8(x, shuffle);\n x = _mm_or_si128(x, or_ff);\n _mm_storeu_si128((__m128i*)(void*)d, " +
"x);\n\n s += 4 * 3;\n d += 4 * 4;\n n -= 4;\n }\n\n while (n >= 1) {\n uint8_t b0 = s[0];\n uint8_t b1 = s[1];\n uint8_t b2 = s[2];\n d[0] = b2;\n d[1] = b1;\n d[2] = b0;\n d[3] = 0xFF;\n\n s += 1 * 3;\n d += 1 * 4;\n n -= 1;\n }\n\n return len;\n}\n#endif // defined(WUFFS_BASE__CPU_ARCH__X86_64)\n\nstatic uint64_t //\nwuffs_base__pixel_swizzler__bgrw__rgb(uint8_t* dst_ptr,\n size_t dst_len,\n uint8_t* dst_palette_ptr,\n size_t dst_palette_len,\n const uint8_t* src_ptr,\n size_t src_len) {\n size_t dst_len4 = dst_len / 4;\n size_t src_len3 = src_len / 3;\n size_t len = (dst_len4 < src_len3) ? dst_len4 : src_len3;\n uint8_t* d = dst_ptr;\n const uint8_t* s = src_ptr;\n size_t n = len;\n\n while (n >= 1) {\n uint8_t b0 = s[0];\n uint8_t b1 = s[1];\n uint8_t b2 = s[2];\n d[0] = b2;\n d[1] = b1;\n d[2] = b0" +
- ";\n d[3] = 0xFF;\n\n s += 1 * 3;\n d += 1 * 4;\n n -= 1;\n }\n\n return len;\n}\n\n" +
+ ";\n d[3] = 0xFF;\n\n s += 1 * 3;\n d += 1 * 4;\n n -= 1;\n }\n\n return len;\n}\n\nstatic uint64_t //\nwuffs_base__pixel_swizzler__bgrw__rgbx(uint8_t* dst_ptr,\n size_t dst_len,\n uint8_t* dst_palette_ptr,\n size_t dst_palette_len,\n const uint8_t* src_ptr,\n size_t src_len) {\n size_t dst_len4 = dst_len / 4;\n size_t src_len4 = src_len / 4;\n size_t len = (dst_len4 < src_len4) ? dst_len4 : src_len4;\n uint8_t* d = dst_ptr;\n const uint8_t* s = src_ptr;\n size_t n = len;\n\n // TODO: unroll.\n\n while (n >= 1) {\n uint8_t b0 = s[0];\n uint8_t b1 = s[1];\n uint8_t b2 = s[2];\n d[0] = b2;\n d[1] = b1;\n d[2] = b0;\n d[3] = 0xFF;\n\n s += 1 * 4;\n d += 1 * 4;\n n -= 1;\n }\n\n return len;\n}\n\n" +
+ "" +
+ "// --------\n\nstatic uint64_t //\nwuffs_base__pixel_swizzler__rgba_nonpremul__bgra_nonpremul_4x16le__src(\n uint8_t* dst_ptr,\n size_t dst_len,\n uint8_t* dst_palette_ptr,\n size_t dst_palette_len,\n const uint8_t* src_ptr,\n size_t src_len) {\n size_t dst_len4 = dst_len / 4;\n size_t src_len8 = src_len / 8;\n size_t len = (dst_len4 < src_len8) ? dst_len4 : src_len8;\n uint8_t* d = dst_ptr;\n const uint8_t* s = src_ptr;\n\n size_t n = len;\n while (n >= 1) {\n wuffs_base__poke_u32le__no_bounds_check(\n d + (0 * 4), wuffs_base__color_u64__as__color_u32__swap_u32_argb_abgr(\n wuffs_base__peek_u64le__no_bounds_check(s + (0 * 8))));\n\n s += 1 * 8;\n d += 1 * 4;\n n -= 1;\n }\n return len;\n}\n\nstatic uint64_t //\nwuffs_base__pixel_swizzler__rgba_nonpremul__bgra_nonpremul_4x16le__src_over(\n uint8_t* dst_ptr,\n size_t dst_len,\n uint8_t* dst_palette_ptr,\n size_t dst_palette_len,\n const uint8_t* src_ptr,\n size_t src_len) {\n size_t dst_len4 = dst_len / 4;\n" +
+ " size_t src_len8 = src_len / 8;\n size_t len = (dst_len4 < src_len8) ? dst_len4 : src_len8;\n uint8_t* d = dst_ptr;\n const uint8_t* s = src_ptr;\n size_t n = len;\n\n while (n >= 1) {\n uint64_t d0 = wuffs_base__color_u32__as__color_u64(\n wuffs_base__peek_u32le__no_bounds_check(d + (0 * 4)));\n uint64_t s0 = wuffs_base__swap_u64_argb_abgr(\n wuffs_base__peek_u64le__no_bounds_check(s + (0 * 8)));\n wuffs_base__poke_u32le__no_bounds_check(\n d + (0 * 4),\n wuffs_base__color_u64__as__color_u32(\n wuffs_base__composite_nonpremul_nonpremul_u64_axxx(d0, s0)));\n\n s += 1 * 8;\n d += 1 * 4;\n n -= 1;\n }\n\n return len;\n}\n\n" +
"" +
"// --------\n\nstatic uint64_t //\nwuffs_base__pixel_swizzler__xxx__index__src(uint8_t* dst_ptr,\n size_t dst_len,\n uint8_t* dst_palette_ptr,\n size_t dst_palette_len,\n const uint8_t* src_ptr,\n size_t src_len) {\n if (dst_palette_len != 1024) {\n return 0;\n }\n size_t dst_len3 = dst_len / 3;\n size_t len = (dst_len3 < src_len) ? dst_len3 : src_len;\n uint8_t* d = dst_ptr;\n const uint8_t* s = src_ptr;\n size_t n = len;\n\n const size_t loop_unroll_count = 4;\n\n // The comparison in the while condition is \">\", not \">=\", because with\n // \">=\", the last 4-byte store could write past the end of the dst slice.\n //\n // Each 4-byte store writes one too many bytes, but a subsequent store\n // will overwrite that with the correct byte. There is always another\n // store, whether a 4-byte store in this loop" +
" or a 1-byte store in the\n // next loop.\n while (n > loop_unroll_count) {\n wuffs_base__poke_u32le__no_bounds_check(\n d + (0 * 3), wuffs_base__peek_u32le__no_bounds_check(\n dst_palette_ptr + ((size_t)s[0] * 4)));\n wuffs_base__poke_u32le__no_bounds_check(\n d + (1 * 3), wuffs_base__peek_u32le__no_bounds_check(\n dst_palette_ptr + ((size_t)s[1] * 4)));\n wuffs_base__poke_u32le__no_bounds_check(\n d + (2 * 3), wuffs_base__peek_u32le__no_bounds_check(\n dst_palette_ptr + ((size_t)s[2] * 4)));\n wuffs_base__poke_u32le__no_bounds_check(\n d + (3 * 3), wuffs_base__peek_u32le__no_bounds_check(\n dst_palette_ptr + ((size_t)s[3] * 4)));\n\n s += loop_unroll_count * 1;\n d += loop_unroll_count * 3;\n n -= loop_unroll_count;\n }\n\n while (n >= 1) {\n uint32_t s0 = wuffs_base__peek_u32le__no_bounds_check(dst_palette_ptr +\n ((size_t)" +
@@ -661,21 +665,25 @@
" WUFFS_BASE__PIXEL_FORMAT__BGR:\n case WUFFS_BASE__PIXEL_FORMAT__RGB:\n return wuffs_base__pixel_swizzler__xxx__y_16be;\n break;\n\n case WUFFS_BASE__PIXEL_FORMAT__BGRA_NONPREMUL:\n case WUFFS_BASE__PIXEL_FORMAT__BGRA_PREMUL:\n case WUFFS_BASE__PIXEL_FORMAT__BGRA_BINARY:\n case WUFFS_BASE__PIXEL_FORMAT__BGRX:\n case WUFFS_BASE__PIXEL_FORMAT__RGBA_NONPREMUL:\n case WUFFS_BASE__PIXEL_FORMAT__RGBA_PREMUL:\n case WUFFS_BASE__PIXEL_FORMAT__RGBA_BINARY:\n case WUFFS_BASE__PIXEL_FORMAT__RGBX:\n return wuffs_base__pixel_swizzler__xxxx__y_16be;\n }\n return NULL;\n}\n\nstatic wuffs_base__pixel_swizzler__func //\nwuffs_base__pixel_swizzler__prepare__indexed__bgra_nonpremul(\n wuffs_base__pixel_swizzler* p,\n wuffs_base__pixel_format dst_pixfmt,\n wuffs_base__slice_u8 dst_palette,\n wuffs_base__slice_u8 src_palette,\n wuffs_base__pixel_blend blend) {\n switch (dst_pixfmt.repr) {\n case WUFFS_BASE__PIXEL_FORMAT__INDEXED__BGRA_NONPREMUL:\n if (wuffs_base__slice_u8__copy_from_slice" +
"(dst_palette, src_palette) !=\n 1024) {\n return NULL;\n }\n switch (blend) {\n case WUFFS_BASE__PIXEL_BLEND__SRC:\n return wuffs_base__pixel_swizzler__copy_1_1;\n }\n return NULL;\n\n case WUFFS_BASE__PIXEL_FORMAT__BGR_565:\n switch (blend) {\n case WUFFS_BASE__PIXEL_BLEND__SRC:\n if (wuffs_base__pixel_swizzler__squash_align4_bgr_565_8888(\n dst_palette.ptr, dst_palette.len, src_palette.ptr,\n src_palette.len, true) != 256) {\n return NULL;\n }\n return wuffs_base__pixel_swizzler__bgr_565__index__src;\n case WUFFS_BASE__PIXEL_BLEND__SRC_OVER:\n if (wuffs_base__slice_u8__copy_from_slice(dst_palette, src_palette) !=\n 1024) {\n return NULL;\n }\n return wuffs_base__pixel_swizzler__bgr_565__index_bgra_nonpremul__src_over;\n }\n return NULL;\n\n case WUFFS_BASE__PIXEL_FORMAT__BGR:\n switch (blend) {\n case WUFFS_BASE__PIXEL" +
"_BLEND__SRC:\n if (wuffs_base__pixel_swizzler__bgra_premul__bgra_nonpremul__src(\n dst_palette.ptr, dst_palette.len, NULL, 0, src_palette.ptr,\n src_palette.len) != 256) {\n return NULL;\n }\n return wuffs_base__pixel_swizzler__xxx__index__src;\n case WUFFS_BASE__PIXEL_BLEND__SRC_OVER:\n if (wuffs_base__slice_u8__copy_from_slice(dst_palette, src_palette) !=\n 1024) {\n return NULL;\n }\n return wuffs_base__pixel_swizzler__xxx__index_bgra_nonpremul__src_over;\n }\n return NULL;\n\n case WUFFS_BASE__PIXEL_FORMAT__BGRA_NONPREMUL:\n if (wuffs_base__slice_u8__copy_from_slice(dst_palette, src_palette) !=\n 1024) {\n return NULL;\n }\n switch (blend) {\n case WUFFS_BASE__PIXEL_BLEND__SRC:\n return wuffs_base__pixel_swizzler__xxxx__index__src;\n case WUFFS_BASE__PIXEL_BLEND__SRC_OVER:\n return wuffs_base__pixel_swizzler__bgra_nonpremul__in" +
- "dex_bgra_nonpremul__src_over;\n }\n return NULL;\n\n case WUFFS_BASE__PIXEL_FORMAT__BGRA_PREMUL:\n switch (blend) {\n case WUFFS_BASE__PIXEL_BLEND__SRC:\n if (wuffs_base__pixel_swizzler__bgra_premul__bgra_nonpremul__src(\n dst_palette.ptr, dst_palette.len, NULL, 0, src_palette.ptr,\n src_palette.len) != 256) {\n return NULL;\n }\n return wuffs_base__pixel_swizzler__xxxx__index__src;\n case WUFFS_BASE__PIXEL_BLEND__SRC_OVER:\n if (wuffs_base__slice_u8__copy_from_slice(dst_palette, src_palette) !=\n 1024) {\n return NULL;\n }\n return wuffs_base__pixel_swizzler__bgra_premul__index_bgra_nonpremul__src_over;\n }\n return NULL;\n\n case WUFFS_BASE__PIXEL_FORMAT__RGB:\n case WUFFS_BASE__PIXEL_FORMAT__RGBA_NONPREMUL:\n case WUFFS_BASE__PIXEL_FORMAT__RGBA_PREMUL:\n case WUFFS_BASE__PIXEL_FORMAT__RGBX:\n // TODO.\n break;\n }\n return NULL;\n}\n\nstatic wuffs_base" +
- "__pixel_swizzler__func //\nwuffs_base__pixel_swizzler__prepare__indexed__bgra_binary(\n wuffs_base__pixel_swizzler* p,\n wuffs_base__pixel_format dst_pixfmt,\n wuffs_base__slice_u8 dst_palette,\n wuffs_base__slice_u8 src_palette,\n wuffs_base__pixel_blend blend) {\n switch (dst_pixfmt.repr) {\n case WUFFS_BASE__PIXEL_FORMAT__INDEXED__BGRA_NONPREMUL:\n case WUFFS_BASE__PIXEL_FORMAT__INDEXED__BGRA_PREMUL:\n case WUFFS_BASE__PIXEL_FORMAT__INDEXED__BGRA_BINARY:\n if (wuffs_base__slice_u8__copy_from_slice(dst_palette, src_palette) !=\n 1024) {\n return NULL;\n }\n switch (blend) {\n case WUFFS_BASE__PIXEL_BLEND__SRC:\n return wuffs_base__pixel_swizzler__copy_1_1;\n }\n return NULL;\n\n case WUFFS_BASE__PIXEL_FORMAT__BGR_565:\n if (wuffs_base__pixel_swizzler__squash_align4_bgr_565_8888(\n dst_palette.ptr, dst_palette.len, src_palette.ptr,\n src_palette.len, false) != 256) {\n return NULL;\n }\n switch (blend) " +
- "{\n case WUFFS_BASE__PIXEL_BLEND__SRC:\n return wuffs_base__pixel_swizzler__bgr_565__index__src;\n case WUFFS_BASE__PIXEL_BLEND__SRC_OVER:\n return wuffs_base__pixel_swizzler__bgr_565__index_binary_alpha__src_over;\n }\n return NULL;\n\n case WUFFS_BASE__PIXEL_FORMAT__BGR:\n if (wuffs_base__slice_u8__copy_from_slice(dst_palette, src_palette) !=\n 1024) {\n return NULL;\n }\n switch (blend) {\n case WUFFS_BASE__PIXEL_BLEND__SRC:\n return wuffs_base__pixel_swizzler__xxx__index__src;\n case WUFFS_BASE__PIXEL_BLEND__SRC_OVER:\n return wuffs_base__pixel_swizzler__xxx__index_binary_alpha__src_over;\n }\n return NULL;\n\n case WUFFS_BASE__PIXEL_FORMAT__BGRA_NONPREMUL:\n case WUFFS_BASE__PIXEL_FORMAT__BGRA_PREMUL:\n case WUFFS_BASE__PIXEL_FORMAT__BGRA_BINARY:\n if (wuffs_base__slice_u8__copy_from_slice(dst_palette, src_palette) !=\n 1024) {\n return NULL;\n }\n switch (blend) {\n cas" +
- "e WUFFS_BASE__PIXEL_BLEND__SRC:\n return wuffs_base__pixel_swizzler__xxxx__index__src;\n case WUFFS_BASE__PIXEL_BLEND__SRC_OVER:\n return wuffs_base__pixel_swizzler__xxxx__index_binary_alpha__src_over;\n }\n return NULL;\n\n case WUFFS_BASE__PIXEL_FORMAT__RGB:\n if (wuffs_base__pixel_swizzler__swap_rgbx_bgrx(\n dst_palette.ptr, dst_palette.len, NULL, 0, src_palette.ptr,\n src_palette.len) != 256) {\n return NULL;\n }\n switch (blend) {\n case WUFFS_BASE__PIXEL_BLEND__SRC:\n return wuffs_base__pixel_swizzler__xxx__index__src;\n case WUFFS_BASE__PIXEL_BLEND__SRC_OVER:\n return wuffs_base__pixel_swizzler__xxx__index_binary_alpha__src_over;\n }\n return NULL;\n\n case WUFFS_BASE__PIXEL_FORMAT__RGBA_NONPREMUL:\n case WUFFS_BASE__PIXEL_FORMAT__RGBA_PREMUL:\n case WUFFS_BASE__PIXEL_FORMAT__RGBA_BINARY:\n if (wuffs_base__pixel_swizzler__swap_rgbx_bgrx(\n dst_palette.ptr, dst_palette.len, N" +
- "ULL, 0, src_palette.ptr,\n src_palette.len) != 256) {\n return NULL;\n }\n switch (blend) {\n case WUFFS_BASE__PIXEL_BLEND__SRC:\n return wuffs_base__pixel_swizzler__xxxx__index__src;\n case WUFFS_BASE__PIXEL_BLEND__SRC_OVER:\n return wuffs_base__pixel_swizzler__xxxx__index_binary_alpha__src_over;\n }\n return NULL;\n }\n return NULL;\n}\n\nstatic wuffs_base__pixel_swizzler__func //\nwuffs_base__pixel_swizzler__prepare__bgr(wuffs_base__pixel_swizzler* p,\n wuffs_base__pixel_format dst_pixfmt,\n wuffs_base__slice_u8 dst_palette,\n wuffs_base__slice_u8 src_palette,\n wuffs_base__pixel_blend blend) {\n switch (dst_pixfmt.repr) {\n case WUFFS_BASE__PIXEL_FORMAT__BGR_565:\n return wuffs_base__pixel_swizzler__bgr_565__bgr;\n\n case WUFFS_BASE__PIXEL_FORMAT__BGR:\n return wuffs_base__pixel_swiz" +
- "zler__copy_3_3;\n\n case WUFFS_BASE__PIXEL_FORMAT__BGRA_NONPREMUL:\n case WUFFS_BASE__PIXEL_FORMAT__BGRA_PREMUL:\n case WUFFS_BASE__PIXEL_FORMAT__BGRA_BINARY:\n case WUFFS_BASE__PIXEL_FORMAT__BGRX:\n return wuffs_base__pixel_swizzler__bgrw__bgr;\n\n case WUFFS_BASE__PIXEL_FORMAT__RGB:\n case WUFFS_BASE__PIXEL_FORMAT__RGBA_NONPREMUL:\n case WUFFS_BASE__PIXEL_FORMAT__RGBA_PREMUL:\n case WUFFS_BASE__PIXEL_FORMAT__RGBA_BINARY:\n case WUFFS_BASE__PIXEL_FORMAT__RGBX:\n // TODO.\n break;\n }\n return NULL;\n}\n\nstatic wuffs_base__pixel_swizzler__func //\nwuffs_base__pixel_swizzler__prepare__bgra_nonpremul(\n wuffs_base__pixel_swizzler* p,\n wuffs_base__pixel_format dst_pixfmt,\n wuffs_base__slice_u8 dst_palette,\n wuffs_base__slice_u8 src_palette,\n wuffs_base__pixel_blend blend) {\n switch (dst_pixfmt.repr) {\n case WUFFS_BASE__PIXEL_FORMAT__BGR_565:\n switch (blend) {\n case WUFFS_BASE__PIXEL_BLEND__SRC:\n return wuffs_base__pixel_swizzler__bgr_565__bgra_nonp" +
- "remul__src;\n case WUFFS_BASE__PIXEL_BLEND__SRC_OVER:\n return wuffs_base__pixel_swizzler__bgr_565__bgra_nonpremul__src_over;\n }\n return NULL;\n\n case WUFFS_BASE__PIXEL_FORMAT__BGR:\n switch (blend) {\n case WUFFS_BASE__PIXEL_BLEND__SRC:\n return wuffs_base__pixel_swizzler__bgr__bgra_nonpremul__src;\n case WUFFS_BASE__PIXEL_BLEND__SRC_OVER:\n return wuffs_base__pixel_swizzler__bgr__bgra_nonpremul__src_over;\n }\n return NULL;\n\n case WUFFS_BASE__PIXEL_FORMAT__BGRA_NONPREMUL:\n switch (blend) {\n case WUFFS_BASE__PIXEL_BLEND__SRC:\n return wuffs_base__pixel_swizzler__copy_4_4;\n case WUFFS_BASE__PIXEL_BLEND__SRC_OVER:\n return wuffs_base__pixel_swizzler__bgra_nonpremul__bgra_nonpremul__src_over;\n }\n return NULL;\n\n case WUFFS_BASE__PIXEL_FORMAT__BGRA_PREMUL:\n switch (blend) {\n case WUFFS_BASE__PIXEL_BLEND__SRC:\n return wuffs_base__pixel_swizzler__bgra_premul__bgra_nonpremul__src;" +
- "\n case WUFFS_BASE__PIXEL_BLEND__SRC_OVER:\n return wuffs_base__pixel_swizzler__bgra_premul__bgra_nonpremul__src_over;\n }\n return NULL;\n\n case WUFFS_BASE__PIXEL_FORMAT__BGRA_BINARY:\n case WUFFS_BASE__PIXEL_FORMAT__BGRX:\n // TODO.\n break;\n\n case WUFFS_BASE__PIXEL_FORMAT__RGB:\n case WUFFS_BASE__PIXEL_FORMAT__RGBA_NONPREMUL:\n case WUFFS_BASE__PIXEL_FORMAT__RGBA_PREMUL:\n case WUFFS_BASE__PIXEL_FORMAT__RGBA_BINARY:\n case WUFFS_BASE__PIXEL_FORMAT__RGBX:\n // TODO.\n break;\n }\n return NULL;\n}\n\nstatic wuffs_base__pixel_swizzler__func //\nwuffs_base__pixel_swizzler__prepare__bgra_nonpremul_4x16le(\n wuffs_base__pixel_swizzler* p,\n wuffs_base__pixel_format dst_pixfmt,\n wuffs_base__slice_u8 dst_palette,\n wuffs_base__slice_u8 src_palette,\n wuffs_base__pixel_blend blend) {\n switch (dst_pixfmt.repr) {\n case WUFFS_BASE__PIXEL_FORMAT__BGR_565:\n switch (blend) {\n case WUFFS_BASE__PIXEL_BLEND__SRC:\n return wuffs_base__pixel_" +
- "swizzler__bgr_565__bgra_nonpremul_4x16le__src;\n case WUFFS_BASE__PIXEL_BLEND__SRC_OVER:\n return wuffs_base__pixel_swizzler__bgr_565__bgra_nonpremul_4x16le__src_over;\n }\n return NULL;\n\n case WUFFS_BASE__PIXEL_FORMAT__BGR:\n switch (blend) {\n case WUFFS_BASE__PIXEL_BLEND__SRC:\n return wuffs_base__pixel_swizzler__bgr__bgra_nonpremul_4x16le__src;\n case WUFFS_BASE__PIXEL_BLEND__SRC_OVER:\n return wuffs_base__pixel_swizzler__bgr__bgra_nonpremul_4x16le__src_over;\n }\n return NULL;\n\n case WUFFS_BASE__PIXEL_FORMAT__BGRA_NONPREMUL:\n switch (blend) {\n case WUFFS_BASE__PIXEL_BLEND__SRC:\n return wuffs_base__pixel_swizzler__squash_tight_4x8_4x16le;\n case WUFFS_BASE__PIXEL_BLEND__SRC_OVER:\n return wuffs_base__pixel_swizzler__bgra_nonpremul__bgra_nonpremul_4x16le__src_over;\n }\n return NULL;\n\n case WUFFS_BASE__PIXEL_FORMAT__BGRA_PREMUL:\n switch (blend) {\n case WUFFS_BASE__PIXEL_BLEND__SRC:\n" +
- " return wuffs_base__pixel_swizzler__bgra_premul__bgra_nonpremul_4x16le__src;\n case WUFFS_BASE__PIXEL_BLEND__SRC_OVER:\n return wuffs_base__pixel_swizzler__bgra_premul__bgra_nonpremul_4x16le__src_over;\n }\n return NULL;\n\n case WUFFS_BASE__PIXEL_FORMAT__BGRA_BINARY:\n case WUFFS_BASE__PIXEL_FORMAT__BGRX:\n // TODO.\n break;\n\n case WUFFS_BASE__PIXEL_FORMAT__RGB:\n case WUFFS_BASE__PIXEL_FORMAT__RGBA_NONPREMUL:\n case WUFFS_BASE__PIXEL_FORMAT__RGBA_PREMUL:\n case WUFFS_BASE__PIXEL_FORMAT__RGBA_BINARY:\n case WUFFS_BASE__PIXEL_FORMAT__RGBX:\n // TODO.\n break;\n }\n return NULL;\n}\n\nstatic wuffs_base__pixel_swizzler__func //\nwuffs_base__pixel_swizzler__prepare__bgrx(wuffs_base__pixel_swizzler* p,\n wuffs_base__pixel_format dst_pixfmt,\n wuffs_base__slice_u8 dst_palette,\n wuffs_base__slice_u8 src_palette,\n " +
- " wuffs_base__pixel_blend blend) {\n switch (dst_pixfmt.repr) {\n case WUFFS_BASE__PIXEL_FORMAT__BGR_565:\n return wuffs_base__pixel_swizzler__bgr_565__bgrx;\n\n case WUFFS_BASE__PIXEL_FORMAT__BGR:\n return wuffs_base__pixel_swizzler__xxx__xxxx;\n\n case WUFFS_BASE__PIXEL_FORMAT__BGRA_NONPREMUL:\n case WUFFS_BASE__PIXEL_FORMAT__BGRA_PREMUL:\n case WUFFS_BASE__PIXEL_FORMAT__BGRA_BINARY:\n return wuffs_base__pixel_swizzler__bgrw__bgrx;\n\n case WUFFS_BASE__PIXEL_FORMAT__BGRX:\n return wuffs_base__pixel_swizzler__copy_4_4;\n\n case WUFFS_BASE__PIXEL_FORMAT__RGB:\n case WUFFS_BASE__PIXEL_FORMAT__RGBA_NONPREMUL:\n case WUFFS_BASE__PIXEL_FORMAT__RGBA_PREMUL:\n case WUFFS_BASE__PIXEL_FORMAT__RGBA_BINARY:\n case WUFFS_BASE__PIXEL_FORMAT__RGBX:\n // TODO.\n break;\n }\n return NULL;\n}\n\nstatic wuffs_base__pixel_swizzler__func //\nwuffs_base__pixel_swizzler__prepare__rgb(wuffs_base__pixel_swizzler* p,\n wuffs_base__pixel_format" +
- " dst_pixfmt,\n wuffs_base__slice_u8 dst_palette,\n wuffs_base__slice_u8 src_palette,\n wuffs_base__pixel_blend blend) {\n switch (dst_pixfmt.repr) {\n case WUFFS_BASE__PIXEL_FORMAT__BGR_565:\n return wuffs_base__pixel_swizzler__bgr_565__rgb;\n\n case WUFFS_BASE__PIXEL_FORMAT__BGR:\n return wuffs_base__pixel_swizzler__swap_rgb_bgr;\n\n case WUFFS_BASE__PIXEL_FORMAT__BGRA_NONPREMUL:\n case WUFFS_BASE__PIXEL_FORMAT__BGRA_PREMUL:\n case WUFFS_BASE__PIXEL_FORMAT__BGRA_BINARY:\n case WUFFS_BASE__PIXEL_FORMAT__BGRX:\n#if defined(WUFFS_BASE__CPU_ARCH__X86_64)\n if (wuffs_base__cpu_arch__have_x86_sse42()) {\n return wuffs_base__pixel_swizzler__bgrw__rgb__sse42;\n }\n#endif\n return wuffs_base__pixel_swizzler__bgrw__rgb;\n\n case WUFFS_BASE__PIXEL_FORMAT__RGB:\n case WUFFS_BASE__PIXEL_FORMAT__RGBA_NONPREMUL:\n case WUFFS_BASE__PIXEL_FORMAT__RGBA_PREMUL:\n case WUF" +
- "FS_BASE__PIXEL_FORMAT__RGBA_BINARY:\n case WUFFS_BASE__PIXEL_FORMAT__RGBX:\n // TODO.\n break;\n }\n return NULL;\n}\n\nstatic wuffs_base__pixel_swizzler__func //\nwuffs_base__pixel_swizzler__prepare__rgba_nonpremul(\n wuffs_base__pixel_swizzler* p,\n wuffs_base__pixel_format dst_pixfmt,\n wuffs_base__slice_u8 dst_palette,\n wuffs_base__slice_u8 src_palette,\n wuffs_base__pixel_blend blend) {\n switch (dst_pixfmt.repr) {\n case WUFFS_BASE__PIXEL_FORMAT__BGR_565:\n switch (blend) {\n case WUFFS_BASE__PIXEL_BLEND__SRC:\n return wuffs_base__pixel_swizzler__bgr_565__rgba_nonpremul__src;\n case WUFFS_BASE__PIXEL_BLEND__SRC_OVER:\n return wuffs_base__pixel_swizzler__bgr_565__rgba_nonpremul__src_over;\n }\n return NULL;\n\n case WUFFS_BASE__PIXEL_FORMAT__BGR:\n switch (blend) {\n case WUFFS_BASE__PIXEL_BLEND__SRC:\n return wuffs_base__pixel_swizzler__bgr__rgba_nonpremul__src;\n case WUFFS_BASE__PIXEL_BLEND__SRC_OVER:\n return" +
- " wuffs_base__pixel_swizzler__bgr__rgba_nonpremul__src_over;\n }\n return NULL;\n\n case WUFFS_BASE__PIXEL_FORMAT__BGRA_NONPREMUL:\n switch (blend) {\n case WUFFS_BASE__PIXEL_BLEND__SRC:\n#if defined(WUFFS_BASE__CPU_ARCH__X86_64)\n if (wuffs_base__cpu_arch__have_x86_sse42()) {\n return wuffs_base__pixel_swizzler__swap_rgbx_bgrx__sse42;\n }\n#endif\n return wuffs_base__pixel_swizzler__swap_rgbx_bgrx;\n case WUFFS_BASE__PIXEL_BLEND__SRC_OVER:\n return wuffs_base__pixel_swizzler__bgra_nonpremul__rgba_nonpremul__src_over;\n }\n return NULL;\n\n case WUFFS_BASE__PIXEL_FORMAT__BGRA_PREMUL:\n switch (blend) {\n case WUFFS_BASE__PIXEL_BLEND__SRC:\n return wuffs_base__pixel_swizzler__bgra_premul__rgba_nonpremul__src;\n case WUFFS_BASE__PIXEL_BLEND__SRC_OVER:\n return wuffs_base__pixel_swizzler__bgra_premul__rgba_nonpremul__src_over;\n }\n return NULL;\n\n case WUFFS_BASE__PIXEL_FORMAT__BGRA_BINARY:\n cas" +
- "e WUFFS_BASE__PIXEL_FORMAT__BGRX:\n // TODO.\n break;\n\n case WUFFS_BASE__PIXEL_FORMAT__RGB:\n case WUFFS_BASE__PIXEL_FORMAT__RGBA_NONPREMUL:\n case WUFFS_BASE__PIXEL_FORMAT__RGBA_PREMUL:\n case WUFFS_BASE__PIXEL_FORMAT__RGBA_BINARY:\n case WUFFS_BASE__PIXEL_FORMAT__RGBX:\n // TODO.\n break;\n }\n return NULL;\n}\n\n" +
+ "dex_bgra_nonpremul__src_over;\n }\n return NULL;\n\n case WUFFS_BASE__PIXEL_FORMAT__BGRA_PREMUL:\n switch (blend) {\n case WUFFS_BASE__PIXEL_BLEND__SRC:\n if (wuffs_base__pixel_swizzler__bgra_premul__bgra_nonpremul__src(\n dst_palette.ptr, dst_palette.len, NULL, 0, src_palette.ptr,\n src_palette.len) != 256) {\n return NULL;\n }\n return wuffs_base__pixel_swizzler__xxxx__index__src;\n case WUFFS_BASE__PIXEL_BLEND__SRC_OVER:\n if (wuffs_base__slice_u8__copy_from_slice(dst_palette, src_palette) !=\n 1024) {\n return NULL;\n }\n return wuffs_base__pixel_swizzler__bgra_premul__index_bgra_nonpremul__src_over;\n }\n return NULL;\n\n case WUFFS_BASE__PIXEL_FORMAT__RGB:\n // TODO.\n break;\n\n case WUFFS_BASE__PIXEL_FORMAT__RGBA_NONPREMUL:\n if (wuffs_base__pixel_swizzler__swap_rgbx_bgrx(\n dst_palette.ptr, dst_palette.len, NULL, 0, src_palette.ptr," +
+ "\n src_palette.len) != 256) {\n return NULL;\n }\n switch (blend) {\n case WUFFS_BASE__PIXEL_BLEND__SRC:\n return wuffs_base__pixel_swizzler__xxxx__index__src;\n case WUFFS_BASE__PIXEL_BLEND__SRC_OVER:\n return wuffs_base__pixel_swizzler__bgra_nonpremul__index_bgra_nonpremul__src_over;\n }\n return NULL;\n\n case WUFFS_BASE__PIXEL_FORMAT__RGBA_PREMUL:\n switch (blend) {\n case WUFFS_BASE__PIXEL_BLEND__SRC:\n if (wuffs_base__pixel_swizzler__bgra_premul__rgba_nonpremul__src(\n dst_palette.ptr, dst_palette.len, NULL, 0, src_palette.ptr,\n src_palette.len) != 256) {\n return NULL;\n }\n return wuffs_base__pixel_swizzler__xxxx__index__src;\n case WUFFS_BASE__PIXEL_BLEND__SRC_OVER:\n if (wuffs_base__pixel_swizzler__swap_rgbx_bgrx(\n dst_palette.ptr, dst_palette.len, NULL, 0, src_palette.ptr,\n src_palette.len) != 256) {\n r" +
+ "eturn NULL;\n }\n return wuffs_base__pixel_swizzler__bgra_premul__index_bgra_nonpremul__src_over;\n }\n return NULL;\n\n case WUFFS_BASE__PIXEL_FORMAT__RGBX:\n // TODO.\n break;\n }\n return NULL;\n}\n\nstatic wuffs_base__pixel_swizzler__func //\nwuffs_base__pixel_swizzler__prepare__indexed__bgra_binary(\n wuffs_base__pixel_swizzler* p,\n wuffs_base__pixel_format dst_pixfmt,\n wuffs_base__slice_u8 dst_palette,\n wuffs_base__slice_u8 src_palette,\n wuffs_base__pixel_blend blend) {\n switch (dst_pixfmt.repr) {\n case WUFFS_BASE__PIXEL_FORMAT__INDEXED__BGRA_NONPREMUL:\n case WUFFS_BASE__PIXEL_FORMAT__INDEXED__BGRA_PREMUL:\n case WUFFS_BASE__PIXEL_FORMAT__INDEXED__BGRA_BINARY:\n if (wuffs_base__slice_u8__copy_from_slice(dst_palette, src_palette) !=\n 1024) {\n return NULL;\n }\n switch (blend) {\n case WUFFS_BASE__PIXEL_BLEND__SRC:\n return wuffs_base__pixel_swizzler__copy_1_1;\n }\n return NULL;\n\n case WUFFS_BASE__PI" +
+ "XEL_FORMAT__BGR_565:\n if (wuffs_base__pixel_swizzler__squash_align4_bgr_565_8888(\n dst_palette.ptr, dst_palette.len, src_palette.ptr,\n src_palette.len, false) != 256) {\n return NULL;\n }\n switch (blend) {\n case WUFFS_BASE__PIXEL_BLEND__SRC:\n return wuffs_base__pixel_swizzler__bgr_565__index__src;\n case WUFFS_BASE__PIXEL_BLEND__SRC_OVER:\n return wuffs_base__pixel_swizzler__bgr_565__index_binary_alpha__src_over;\n }\n return NULL;\n\n case WUFFS_BASE__PIXEL_FORMAT__BGR:\n if (wuffs_base__slice_u8__copy_from_slice(dst_palette, src_palette) !=\n 1024) {\n return NULL;\n }\n switch (blend) {\n case WUFFS_BASE__PIXEL_BLEND__SRC:\n return wuffs_base__pixel_swizzler__xxx__index__src;\n case WUFFS_BASE__PIXEL_BLEND__SRC_OVER:\n return wuffs_base__pixel_swizzler__xxx__index_binary_alpha__src_over;\n }\n return NULL;\n\n case WUFFS_BASE__PIXEL_FORMAT__BGRA_NONPREMUL:\n " +
+ "case WUFFS_BASE__PIXEL_FORMAT__BGRA_PREMUL:\n case WUFFS_BASE__PIXEL_FORMAT__BGRA_BINARY:\n if (wuffs_base__slice_u8__copy_from_slice(dst_palette, src_palette) !=\n 1024) {\n return NULL;\n }\n switch (blend) {\n case WUFFS_BASE__PIXEL_BLEND__SRC:\n return wuffs_base__pixel_swizzler__xxxx__index__src;\n case WUFFS_BASE__PIXEL_BLEND__SRC_OVER:\n return wuffs_base__pixel_swizzler__xxxx__index_binary_alpha__src_over;\n }\n return NULL;\n\n case WUFFS_BASE__PIXEL_FORMAT__RGB:\n if (wuffs_base__pixel_swizzler__swap_rgbx_bgrx(\n dst_palette.ptr, dst_palette.len, NULL, 0, src_palette.ptr,\n src_palette.len) != 256) {\n return NULL;\n }\n switch (blend) {\n case WUFFS_BASE__PIXEL_BLEND__SRC:\n return wuffs_base__pixel_swizzler__xxx__index__src;\n case WUFFS_BASE__PIXEL_BLEND__SRC_OVER:\n return wuffs_base__pixel_swizzler__xxx__index_binary_alpha__src_over;\n }\n return NULL;\n\n" +
+ " case WUFFS_BASE__PIXEL_FORMAT__RGBA_NONPREMUL:\n case WUFFS_BASE__PIXEL_FORMAT__RGBA_PREMUL:\n case WUFFS_BASE__PIXEL_FORMAT__RGBA_BINARY:\n if (wuffs_base__pixel_swizzler__swap_rgbx_bgrx(\n dst_palette.ptr, dst_palette.len, NULL, 0, src_palette.ptr,\n src_palette.len) != 256) {\n return NULL;\n }\n switch (blend) {\n case WUFFS_BASE__PIXEL_BLEND__SRC:\n return wuffs_base__pixel_swizzler__xxxx__index__src;\n case WUFFS_BASE__PIXEL_BLEND__SRC_OVER:\n return wuffs_base__pixel_swizzler__xxxx__index_binary_alpha__src_over;\n }\n return NULL;\n }\n return NULL;\n}\n\nstatic wuffs_base__pixel_swizzler__func //\nwuffs_base__pixel_swizzler__prepare__bgr(wuffs_base__pixel_swizzler* p,\n wuffs_base__pixel_format dst_pixfmt,\n wuffs_base__slice_u8 dst_palette,\n wuffs_base__slice_u8 src_palette,\n " +
+ " wuffs_base__pixel_blend blend) {\n switch (dst_pixfmt.repr) {\n case WUFFS_BASE__PIXEL_FORMAT__BGR_565:\n return wuffs_base__pixel_swizzler__bgr_565__bgr;\n\n case WUFFS_BASE__PIXEL_FORMAT__BGR:\n return wuffs_base__pixel_swizzler__copy_3_3;\n\n case WUFFS_BASE__PIXEL_FORMAT__BGRA_NONPREMUL:\n case WUFFS_BASE__PIXEL_FORMAT__BGRA_PREMUL:\n case WUFFS_BASE__PIXEL_FORMAT__BGRA_BINARY:\n case WUFFS_BASE__PIXEL_FORMAT__BGRX:\n return wuffs_base__pixel_swizzler__bgrw__bgr;\n\n case WUFFS_BASE__PIXEL_FORMAT__RGB:\n return wuffs_base__pixel_swizzler__swap_rgb_bgr;\n\n case WUFFS_BASE__PIXEL_FORMAT__RGBA_NONPREMUL:\n case WUFFS_BASE__PIXEL_FORMAT__RGBA_PREMUL:\n case WUFFS_BASE__PIXEL_FORMAT__RGBA_BINARY:\n case WUFFS_BASE__PIXEL_FORMAT__RGBX:\n#if defined(WUFFS_BASE__CPU_ARCH__X86_64)\n if (wuffs_base__cpu_arch__have_x86_sse42()) {\n return wuffs_base__pixel_swizzler__bgrw__rgb__sse42;\n }\n#endif\n return wuffs_base__pixel_swizzler__bgrw__rgb;\n }\n retu" +
+ "rn NULL;\n}\n\nstatic wuffs_base__pixel_swizzler__func //\nwuffs_base__pixel_swizzler__prepare__bgra_nonpremul(\n wuffs_base__pixel_swizzler* p,\n wuffs_base__pixel_format dst_pixfmt,\n wuffs_base__slice_u8 dst_palette,\n wuffs_base__slice_u8 src_palette,\n wuffs_base__pixel_blend blend) {\n switch (dst_pixfmt.repr) {\n case WUFFS_BASE__PIXEL_FORMAT__BGR_565:\n switch (blend) {\n case WUFFS_BASE__PIXEL_BLEND__SRC:\n return wuffs_base__pixel_swizzler__bgr_565__bgra_nonpremul__src;\n case WUFFS_BASE__PIXEL_BLEND__SRC_OVER:\n return wuffs_base__pixel_swizzler__bgr_565__bgra_nonpremul__src_over;\n }\n return NULL;\n\n case WUFFS_BASE__PIXEL_FORMAT__BGR:\n switch (blend) {\n case WUFFS_BASE__PIXEL_BLEND__SRC:\n return wuffs_base__pixel_swizzler__bgr__bgra_nonpremul__src;\n case WUFFS_BASE__PIXEL_BLEND__SRC_OVER:\n return wuffs_base__pixel_swizzler__bgr__bgra_nonpremul__src_over;\n }\n return NULL;\n\n case WUFFS_BASE__PIXEL_" +
+ "FORMAT__BGRA_NONPREMUL:\n switch (blend) {\n case WUFFS_BASE__PIXEL_BLEND__SRC:\n return wuffs_base__pixel_swizzler__copy_4_4;\n case WUFFS_BASE__PIXEL_BLEND__SRC_OVER:\n return wuffs_base__pixel_swizzler__bgra_nonpremul__bgra_nonpremul__src_over;\n }\n return NULL;\n\n case WUFFS_BASE__PIXEL_FORMAT__BGRA_PREMUL:\n switch (blend) {\n case WUFFS_BASE__PIXEL_BLEND__SRC:\n return wuffs_base__pixel_swizzler__bgra_premul__bgra_nonpremul__src;\n case WUFFS_BASE__PIXEL_BLEND__SRC_OVER:\n return wuffs_base__pixel_swizzler__bgra_premul__bgra_nonpremul__src_over;\n }\n return NULL;\n\n case WUFFS_BASE__PIXEL_FORMAT__BGRA_BINARY:\n case WUFFS_BASE__PIXEL_FORMAT__BGRX:\n // TODO.\n break;\n\n case WUFFS_BASE__PIXEL_FORMAT__RGB:\n // TODO.\n break;\n\n case WUFFS_BASE__PIXEL_FORMAT__RGBA_NONPREMUL:\n switch (blend) {\n case WUFFS_BASE__PIXEL_BLEND__SRC:\n#if defined(WUFFS_BASE__CPU_ARCH__X86_64)\n if (wuf" +
+ "fs_base__cpu_arch__have_x86_sse42()) {\n return wuffs_base__pixel_swizzler__swap_rgbx_bgrx__sse42;\n }\n#endif\n return wuffs_base__pixel_swizzler__swap_rgbx_bgrx;\n case WUFFS_BASE__PIXEL_BLEND__SRC_OVER:\n return wuffs_base__pixel_swizzler__bgra_nonpremul__rgba_nonpremul__src_over;\n }\n return NULL;\n\n case WUFFS_BASE__PIXEL_FORMAT__RGBA_PREMUL:\n switch (blend) {\n case WUFFS_BASE__PIXEL_BLEND__SRC:\n return wuffs_base__pixel_swizzler__bgra_premul__rgba_nonpremul__src;\n case WUFFS_BASE__PIXEL_BLEND__SRC_OVER:\n return wuffs_base__pixel_swizzler__bgra_premul__rgba_nonpremul__src_over;\n }\n return NULL;\n\n case WUFFS_BASE__PIXEL_FORMAT__RGBA_BINARY:\n case WUFFS_BASE__PIXEL_FORMAT__RGBX:\n // TODO.\n break;\n }\n return NULL;\n}\n\nstatic wuffs_base__pixel_swizzler__func //\nwuffs_base__pixel_swizzler__prepare__bgra_nonpremul_4x16le(\n wuffs_base__pixel_swizzler* p,\n wuffs_base__pixel_format dst_pixfmt,\n" +
+ " wuffs_base__slice_u8 dst_palette,\n wuffs_base__slice_u8 src_palette,\n wuffs_base__pixel_blend blend) {\n switch (dst_pixfmt.repr) {\n case WUFFS_BASE__PIXEL_FORMAT__BGR_565:\n switch (blend) {\n case WUFFS_BASE__PIXEL_BLEND__SRC:\n return wuffs_base__pixel_swizzler__bgr_565__bgra_nonpremul_4x16le__src;\n case WUFFS_BASE__PIXEL_BLEND__SRC_OVER:\n return wuffs_base__pixel_swizzler__bgr_565__bgra_nonpremul_4x16le__src_over;\n }\n return NULL;\n\n case WUFFS_BASE__PIXEL_FORMAT__BGR:\n switch (blend) {\n case WUFFS_BASE__PIXEL_BLEND__SRC:\n return wuffs_base__pixel_swizzler__bgr__bgra_nonpremul_4x16le__src;\n case WUFFS_BASE__PIXEL_BLEND__SRC_OVER:\n return wuffs_base__pixel_swizzler__bgr__bgra_nonpremul_4x16le__src_over;\n }\n return NULL;\n\n case WUFFS_BASE__PIXEL_FORMAT__BGRA_NONPREMUL:\n switch (blend) {\n case WUFFS_BASE__PIXEL_BLEND__SRC:\n return wuffs_base__pixel_swizzler__bgra_nonpremul__bgra_n" +
+ "onpremul_4x16le__src;\n case WUFFS_BASE__PIXEL_BLEND__SRC_OVER:\n return wuffs_base__pixel_swizzler__bgra_nonpremul__bgra_nonpremul_4x16le__src_over;\n }\n return NULL;\n\n case WUFFS_BASE__PIXEL_FORMAT__BGRA_PREMUL:\n switch (blend) {\n case WUFFS_BASE__PIXEL_BLEND__SRC:\n return wuffs_base__pixel_swizzler__bgra_premul__bgra_nonpremul_4x16le__src;\n case WUFFS_BASE__PIXEL_BLEND__SRC_OVER:\n return wuffs_base__pixel_swizzler__bgra_premul__bgra_nonpremul_4x16le__src_over;\n }\n return NULL;\n\n case WUFFS_BASE__PIXEL_FORMAT__BGRA_BINARY:\n case WUFFS_BASE__PIXEL_FORMAT__BGRX:\n // TODO.\n break;\n\n case WUFFS_BASE__PIXEL_FORMAT__RGB:\n // TODO.\n break;\n\n case WUFFS_BASE__PIXEL_FORMAT__RGBA_NONPREMUL:\n switch (blend) {\n case WUFFS_BASE__PIXEL_BLEND__SRC:\n return wuffs_base__pixel_swizzler__rgba_nonpremul__bgra_nonpremul_4x16le__src;\n case WUFFS_BASE__PIXEL_BLEND__SRC_OVER:\n return wuffs_b" +
+ "ase__pixel_swizzler__rgba_nonpremul__bgra_nonpremul_4x16le__src_over;\n }\n break;\n\n case WUFFS_BASE__PIXEL_FORMAT__RGBA_PREMUL:\n switch (blend) {\n case WUFFS_BASE__PIXEL_BLEND__SRC:\n return wuffs_base__pixel_swizzler__bgra_premul__rgba_nonpremul_4x16le__src;\n case WUFFS_BASE__PIXEL_BLEND__SRC_OVER:\n return wuffs_base__pixel_swizzler__bgra_premul__rgba_nonpremul_4x16le__src_over;\n }\n return NULL;\n\n case WUFFS_BASE__PIXEL_FORMAT__RGBA_BINARY:\n case WUFFS_BASE__PIXEL_FORMAT__RGBX:\n // TODO.\n break;\n }\n return NULL;\n}\n\nstatic wuffs_base__pixel_swizzler__func //\nwuffs_base__pixel_swizzler__prepare__bgrx(wuffs_base__pixel_swizzler* p,\n wuffs_base__pixel_format dst_pixfmt,\n wuffs_base__slice_u8 dst_palette,\n wuffs_base__slice_u8 src_palette,\n wuffs_base__pixel_blend blend) {\n s" +
+ "witch (dst_pixfmt.repr) {\n case WUFFS_BASE__PIXEL_FORMAT__BGR_565:\n return wuffs_base__pixel_swizzler__bgr_565__bgrx;\n\n case WUFFS_BASE__PIXEL_FORMAT__BGR:\n return wuffs_base__pixel_swizzler__xxx__xxxx;\n\n case WUFFS_BASE__PIXEL_FORMAT__BGRA_NONPREMUL:\n case WUFFS_BASE__PIXEL_FORMAT__BGRA_PREMUL:\n case WUFFS_BASE__PIXEL_FORMAT__BGRA_BINARY:\n return wuffs_base__pixel_swizzler__bgrw__bgrx;\n\n case WUFFS_BASE__PIXEL_FORMAT__BGRX:\n return wuffs_base__pixel_swizzler__copy_4_4;\n\n case WUFFS_BASE__PIXEL_FORMAT__RGB:\n // TODO.\n break;\n\n case WUFFS_BASE__PIXEL_FORMAT__RGBA_NONPREMUL:\n case WUFFS_BASE__PIXEL_FORMAT__RGBA_PREMUL:\n case WUFFS_BASE__PIXEL_FORMAT__RGBA_BINARY:\n case WUFFS_BASE__PIXEL_FORMAT__RGBX:\n return wuffs_base__pixel_swizzler__bgrw__rgbx;\n }\n return NULL;\n}\n\nstatic wuffs_base__pixel_swizzler__func //\nwuffs_base__pixel_swizzler__prepare__rgb(wuffs_base__pixel_swizzler* p,\n wuffs_base__pixel_for" +
+ "mat dst_pixfmt,\n wuffs_base__slice_u8 dst_palette,\n wuffs_base__slice_u8 src_palette,\n wuffs_base__pixel_blend blend) {\n switch (dst_pixfmt.repr) {\n case WUFFS_BASE__PIXEL_FORMAT__BGR_565:\n return wuffs_base__pixel_swizzler__bgr_565__rgb;\n\n case WUFFS_BASE__PIXEL_FORMAT__BGR:\n return wuffs_base__pixel_swizzler__swap_rgb_bgr;\n\n case WUFFS_BASE__PIXEL_FORMAT__BGRA_NONPREMUL:\n case WUFFS_BASE__PIXEL_FORMAT__BGRA_PREMUL:\n case WUFFS_BASE__PIXEL_FORMAT__BGRA_BINARY:\n case WUFFS_BASE__PIXEL_FORMAT__BGRX:\n#if defined(WUFFS_BASE__CPU_ARCH__X86_64)\n if (wuffs_base__cpu_arch__have_x86_sse42()) {\n return wuffs_base__pixel_swizzler__bgrw__rgb__sse42;\n }\n#endif\n return wuffs_base__pixel_swizzler__bgrw__rgb;\n\n case WUFFS_BASE__PIXEL_FORMAT__RGB:\n return wuffs_base__pixel_swizzler__copy_3_3;\n\n case WUFFS_BASE__PIXEL_FORMAT__RGBA_NONPREMUL:\n c" +
+ "ase WUFFS_BASE__PIXEL_FORMAT__RGBA_PREMUL:\n case WUFFS_BASE__PIXEL_FORMAT__RGBA_BINARY:\n case WUFFS_BASE__PIXEL_FORMAT__RGBX:\n return wuffs_base__pixel_swizzler__bgrw__bgr;\n }\n return NULL;\n}\n\nstatic wuffs_base__pixel_swizzler__func //\nwuffs_base__pixel_swizzler__prepare__rgba_nonpremul(\n wuffs_base__pixel_swizzler* p,\n wuffs_base__pixel_format dst_pixfmt,\n wuffs_base__slice_u8 dst_palette,\n wuffs_base__slice_u8 src_palette,\n wuffs_base__pixel_blend blend) {\n switch (dst_pixfmt.repr) {\n case WUFFS_BASE__PIXEL_FORMAT__BGR_565:\n switch (blend) {\n case WUFFS_BASE__PIXEL_BLEND__SRC:\n return wuffs_base__pixel_swizzler__bgr_565__rgba_nonpremul__src;\n case WUFFS_BASE__PIXEL_BLEND__SRC_OVER:\n return wuffs_base__pixel_swizzler__bgr_565__rgba_nonpremul__src_over;\n }\n return NULL;\n\n case WUFFS_BASE__PIXEL_FORMAT__BGR:\n switch (blend) {\n case WUFFS_BASE__PIXEL_BLEND__SRC:\n return wuffs_base__pixel_swizzler__bgr__rgba_n" +
+ "onpremul__src;\n case WUFFS_BASE__PIXEL_BLEND__SRC_OVER:\n return wuffs_base__pixel_swizzler__bgr__rgba_nonpremul__src_over;\n }\n return NULL;\n\n case WUFFS_BASE__PIXEL_FORMAT__BGRA_NONPREMUL:\n switch (blend) {\n case WUFFS_BASE__PIXEL_BLEND__SRC:\n#if defined(WUFFS_BASE__CPU_ARCH__X86_64)\n if (wuffs_base__cpu_arch__have_x86_sse42()) {\n return wuffs_base__pixel_swizzler__swap_rgbx_bgrx__sse42;\n }\n#endif\n return wuffs_base__pixel_swizzler__swap_rgbx_bgrx;\n case WUFFS_BASE__PIXEL_BLEND__SRC_OVER:\n return wuffs_base__pixel_swizzler__bgra_nonpremul__rgba_nonpremul__src_over;\n }\n return NULL;\n\n case WUFFS_BASE__PIXEL_FORMAT__BGRA_PREMUL:\n switch (blend) {\n case WUFFS_BASE__PIXEL_BLEND__SRC:\n return wuffs_base__pixel_swizzler__bgra_premul__rgba_nonpremul__src;\n case WUFFS_BASE__PIXEL_BLEND__SRC_OVER:\n return wuffs_base__pixel_swizzler__bgra_premul__rgba_nonpremul__src_over;\n " +
+ " }\n return NULL;\n\n case WUFFS_BASE__PIXEL_FORMAT__BGRA_BINARY:\n case WUFFS_BASE__PIXEL_FORMAT__BGRX:\n // TODO.\n break;\n\n case WUFFS_BASE__PIXEL_FORMAT__RGB:\n // TODO.\n break;\n\n case WUFFS_BASE__PIXEL_FORMAT__RGBA_NONPREMUL:\n switch (blend) {\n case WUFFS_BASE__PIXEL_BLEND__SRC:\n return wuffs_base__pixel_swizzler__copy_4_4;\n case WUFFS_BASE__PIXEL_BLEND__SRC_OVER:\n return wuffs_base__pixel_swizzler__bgra_nonpremul__bgra_nonpremul__src_over;\n }\n return NULL;\n\n case WUFFS_BASE__PIXEL_FORMAT__RGBA_PREMUL:\n switch (blend) {\n case WUFFS_BASE__PIXEL_BLEND__SRC:\n return wuffs_base__pixel_swizzler__bgra_premul__bgra_nonpremul__src;\n case WUFFS_BASE__PIXEL_BLEND__SRC_OVER:\n return wuffs_base__pixel_swizzler__bgra_premul__bgra_nonpremul__src_over;\n }\n return NULL;\n\n case WUFFS_BASE__PIXEL_FORMAT__RGBA_BINARY:\n case WUFFS_BASE__PIXEL_FORMAT__RGBX:\n // TODO.\n break;\n }\n re" +
+ "turn NULL;\n}\n\n" +
"" +
"// --------\n\nWUFFS_BASE__MAYBE_STATIC wuffs_base__status //\nwuffs_base__pixel_swizzler__prepare(wuffs_base__pixel_swizzler* p,\n wuffs_base__pixel_format dst_pixfmt,\n wuffs_base__slice_u8 dst_palette,\n wuffs_base__pixel_format src_pixfmt,\n wuffs_base__slice_u8 src_palette,\n wuffs_base__pixel_blend blend) {\n if (!p) {\n return wuffs_base__make_status(wuffs_base__error__bad_receiver);\n }\n p->private_impl.func = NULL;\n p->private_impl.transparent_black_func = NULL;\n p->private_impl.dst_pixfmt_bytes_per_pixel = 0;\n p->private_impl.src_pixfmt_bytes_per_pixel = 0;\n\n wuffs_base__pixel_swizzler__func func = NULL;\n wuffs_base__pixel_swizzler__transparent_black_func transparent_black_func =\n NULL;\n\n uint32_t dst_pixfmt_bits_per_pixel =\n wuffs_base__pixel_format__bits_per_pixel(&dst_pixfmt);\n if ((dst_pixfmt_bits_per_pixel == " +
"0) ||\n ((dst_pixfmt_bits_per_pixel & 7) != 0)) {\n return wuffs_base__make_status(\n wuffs_base__error__unsupported_pixel_swizzler_option);\n }\n\n uint32_t src_pixfmt_bits_per_pixel =\n wuffs_base__pixel_format__bits_per_pixel(&src_pixfmt);\n if ((src_pixfmt_bits_per_pixel == 0) ||\n ((src_pixfmt_bits_per_pixel & 7) != 0)) {\n return wuffs_base__make_status(\n wuffs_base__error__unsupported_pixel_swizzler_option);\n }\n\n // TODO: support many more formats.\n\n switch (blend) {\n case WUFFS_BASE__PIXEL_BLEND__SRC:\n transparent_black_func =\n wuffs_base__pixel_swizzler__transparent_black_src;\n break;\n\n case WUFFS_BASE__PIXEL_BLEND__SRC_OVER:\n transparent_black_func =\n wuffs_base__pixel_swizzler__transparent_black_src_over;\n break;\n }\n\n switch (src_pixfmt.repr) {\n case WUFFS_BASE__PIXEL_FORMAT__Y:\n func = wuffs_base__pixel_swizzler__prepare__y(p, dst_pixfmt, dst_palette,\n src_palette" +
@@ -756,24 +764,24 @@
" (io_buf.writer_length() == 0)) {\n fourcc = 0;\n break;\n }\n std::string error_message = input.CopyIn(&io_buf);\n if (!error_message.empty()) {\n return DecodeImageResult(std::move(error_message));\n }\n }\n } else {\n wuffs_base__io_buffer empty = wuffs_base__empty_io_buffer();\n wuffs_base__more_information minfo = wuffs_base__empty_more_information();\n wuffs_base__status tmm_status =\n image_decoder->tell_me_more(&empty, &minfo, &io_buf);\n if (tmm_status.repr != nullptr) {\n return DecodeImageResult(tmm_status.message());\n }\n if (minfo.flavor != WUFFS_BASE__MORE_INFORMATION__FLAVOR__IO_REDIRECT) {\n return DecodeImageResult(DecodeImage_UnsupportedImageFormat);\n }\n uint64_t pos = minfo.io_redirect__range().min_incl;\n std::string error_message = DecodeImageAdvanceIOBuf(\n input, io_buf, !input.BringsItsOwnIOBuffer(), start_pos, pos);\n if (!error_message.empty()) {\n return" +
" DecodeImageResult(std::move(error_message));\n }\n fourcc = (int32_t)(minfo.io_redirect__fourcc());\n if (fourcc == 0) {\n return DecodeImageResult(DecodeImage_UnsupportedImageFormat);\n }\n image_decoder.reset();\n }\n\n // Select the image decoder.\n image_decoder = callbacks.SelectDecoder(\n (uint32_t)fourcc,\n fourcc ? wuffs_base__empty_slice_u8() : io_buf.reader_slice());\n if (!image_decoder) {\n return DecodeImageResult(DecodeImage_UnsupportedImageFormat);\n }\n\n // Decode the image config.\n while (true) {\n wuffs_base__status id_dic_status =\n image_decoder->decode_image_config(&image_config, &io_buf);\n if (id_dic_status.repr == nullptr) {\n break;\n } else if (id_dic_status.repr == wuffs_base__note__i_o_redirect) {\n if (redirected) {\n return DecodeImageResult(DecodeImage_UnsupportedImageFormat);\n }\n redirected = true;\n goto redirect;\n } else if (id_dic_status.repr != wuffs_bas" +
"e__suspension__short_read) {\n return DecodeImageResult(id_dic_status.message());\n } else if (io_buf.meta.closed) {\n return DecodeImageResult(DecodeImage_UnexpectedEndOfFile);\n } else {\n std::string error_message = input.CopyIn(&io_buf);\n if (!error_message.empty()) {\n return DecodeImageResult(std::move(error_message));\n }\n }\n }\n } while (false);\n\n // Select the pixel format.\n uint32_t w = image_config.pixcfg.width();\n uint32_t h = image_config.pixcfg.height();\n if ((w > max_incl_dimension) || (h > max_incl_dimension)) {\n return DecodeImageResult(DecodeImage_MaxInclDimensionExceeded);\n }\n wuffs_base__pixel_format pixel_format = callbacks.SelectPixfmt(image_config);\n if (pixel_format.repr != image_config.pixcfg.pixel_format().repr) {\n switch (pixel_format.repr) {\n case WUFFS_BASE__PIXEL_FORMAT__BGR_565:\n case WUFFS_BASE__PIXEL_FORMAT__BGR:\n case WUFFS_BASE__PIXEL_FORMAT__BGRA_NONPREMUL:\n case WUFFS_BASE__PIXEL_FORMAT" +
- "__BGRA_PREMUL:\n break;\n default:\n return DecodeImageResult(DecodeImage_UnsupportedPixelFormat);\n }\n image_config.pixcfg.set(pixel_format.repr,\n WUFFS_BASE__PIXEL_SUBSAMPLING__NONE, w, h);\n }\n\n // Allocate the pixel buffer.\n uint64_t pixbuf_len_min_incl = 0;\n if ((w > 0) && (h > 0)) {\n pixbuf_len_min_incl = image_config.pixcfg.pixbuf_len();\n if (pixbuf_len_min_incl == 0) {\n return DecodeImageResult(DecodeImage_UnsupportedPixelFormat);\n }\n }\n bool valid_background_color =\n wuffs_base__color_u32_argb_premul__is_valid(background_color);\n DecodeImageCallbacks::AllocResult alloc_pixbuf_result =\n callbacks.AllocPixbuf(image_config, valid_background_color);\n if (!alloc_pixbuf_result.error_message.empty()) {\n return DecodeImageResult(std::move(alloc_pixbuf_result.error_message));\n } else if (alloc_pixbuf_result.mem_slice.len < pixbuf_len_min_incl) {\n return DecodeImageResult(DecodeImage_BufferIsTooShort);\n }\n wuffs_base__pixel" +
- "_buffer pixel_buffer;\n wuffs_base__status pb_sfs_status = pixel_buffer.set_from_slice(\n &image_config.pixcfg, alloc_pixbuf_result.mem_slice);\n if (!pb_sfs_status.is_ok()) {\n return DecodeImageResult(pb_sfs_status.message());\n }\n if (valid_background_color) {\n wuffs_base__status pb_scufr_status = pixel_buffer.set_color_u32_fill_rect(\n pixel_buffer.pixcfg.bounds(), background_color);\n if (pb_scufr_status.repr != nullptr) {\n return DecodeImageResult(pb_scufr_status.message());\n }\n }\n\n // Allocate the work buffer. Wuffs' decoders conventionally assume that this\n // can be uninitialized memory.\n wuffs_base__range_ii_u64 workbuf_len = image_decoder->workbuf_len();\n DecodeImageCallbacks::AllocResult alloc_workbuf_result =\n callbacks.AllocWorkbuf(workbuf_len, true);\n if (!alloc_workbuf_result.error_message.empty()) {\n return DecodeImageResult(std::move(alloc_workbuf_result.error_message));\n } else if (alloc_workbuf_result.mem_slice.len < workbuf_len.min_incl) {\n retu" +
- "rn DecodeImageResult(DecodeImage_BufferIsTooShort);\n }\n\n // Decode the frame config.\n wuffs_base__frame_config frame_config = wuffs_base__null_frame_config();\n while (true) {\n wuffs_base__status id_dfc_status =\n image_decoder->decode_frame_config(&frame_config, &io_buf);\n if (id_dfc_status.repr == nullptr) {\n break;\n } else if (id_dfc_status.repr != wuffs_base__suspension__short_read) {\n return DecodeImageResult(id_dfc_status.message());\n } else if (io_buf.meta.closed) {\n return DecodeImageResult(DecodeImage_UnexpectedEndOfFile);\n } else {\n std::string error_message = input.CopyIn(&io_buf);\n if (!error_message.empty()) {\n return DecodeImageResult(std::move(error_message));\n }\n }\n }\n\n // Decode the frame (the pixels).\n //\n // From here on, always returns the pixel_buffer. If we get this far, we can\n // still display a partial image, even if we encounter an error.\n std::string message(\"\");\n if ((pixel_blend == WUFFS_BASE__PIXEL_BLEND__SRC_" +
- "OVER) &&\n frame_config.overwrite_instead_of_blend()) {\n pixel_blend = WUFFS_BASE__PIXEL_BLEND__SRC;\n }\n while (true) {\n wuffs_base__status id_df_status =\n image_decoder->decode_frame(&pixel_buffer, &io_buf, pixel_blend,\n alloc_workbuf_result.mem_slice, nullptr);\n if (id_df_status.repr == nullptr) {\n break;\n } else if (id_df_status.repr != wuffs_base__suspension__short_read) {\n message = id_df_status.message();\n break;\n } else if (io_buf.meta.closed) {\n message = DecodeImage_UnexpectedEndOfFile;\n break;\n } else {\n std::string error_message = input.CopyIn(&io_buf);\n if (!error_message.empty()) {\n message = std::move(error_message);\n break;\n }\n }\n }\n return DecodeImageResult(std::move(alloc_pixbuf_result.mem_owner),\n alloc_pixbuf_result.mem_slice, pixel_buffer,\n std::move(message));\n}\n\n} // namespace\n\nDecodeImageResult //\nDecodeImage(D" +
- "ecodeImageCallbacks& callbacks,\n sync_io::Input& input,\n wuffs_base__pixel_blend pixel_blend,\n wuffs_base__color_u32_argb_premul background_color,\n uint32_t max_incl_dimension) {\n wuffs_base__io_buffer* io_buf = input.BringsItsOwnIOBuffer();\n wuffs_base__io_buffer fallback_io_buf = wuffs_base__empty_io_buffer();\n std::unique_ptr<uint8_t[]> fallback_io_array(nullptr);\n if (!io_buf) {\n fallback_io_array = std::unique_ptr<uint8_t[]>(new uint8_t[32768]);\n fallback_io_buf =\n wuffs_base__ptr_u8__writer(fallback_io_array.get(), 32768);\n io_buf = &fallback_io_buf;\n }\n\n wuffs_base__image_decoder::unique_ptr image_decoder(nullptr, &free);\n DecodeImageResult result =\n DecodeImage0(image_decoder, callbacks, input, *io_buf, pixel_blend,\n background_color, max_incl_dimension);\n callbacks.Done(result, input, *io_buf, std::move(image_decoder));\n return result;\n}\n\n} // namespace wuffs_aux\n\n#endif // !defined(WUFFS_CONFIG__MODULES) ||" +
- "\n // defined(WUFFS_CONFIG__MODULE__AUX__IMAGE)\n" +
+ "__BGRA_PREMUL:\n case WUFFS_BASE__PIXEL_FORMAT__RGBA_NONPREMUL:\n case WUFFS_BASE__PIXEL_FORMAT__RGBA_PREMUL:\n break;\n default:\n return DecodeImageResult(DecodeImage_UnsupportedPixelFormat);\n }\n image_config.pixcfg.set(pixel_format.repr,\n WUFFS_BASE__PIXEL_SUBSAMPLING__NONE, w, h);\n }\n\n // Allocate the pixel buffer.\n uint64_t pixbuf_len_min_incl = 0;\n if ((w > 0) && (h > 0)) {\n pixbuf_len_min_incl = image_config.pixcfg.pixbuf_len();\n if (pixbuf_len_min_incl == 0) {\n return DecodeImageResult(DecodeImage_UnsupportedPixelFormat);\n }\n }\n bool valid_background_color =\n wuffs_base__color_u32_argb_premul__is_valid(background_color);\n DecodeImageCallbacks::AllocResult alloc_pixbuf_result =\n callbacks.AllocPixbuf(image_config, valid_background_color);\n if (!alloc_pixbuf_result.error_message.empty()) {\n return DecodeImageResult(std::move(alloc_pixbuf_result.error_message));\n } else if (alloc_pixbuf_result.mem_slice.len < pix" +
+ "buf_len_min_incl) {\n return DecodeImageResult(DecodeImage_BufferIsTooShort);\n }\n wuffs_base__pixel_buffer pixel_buffer;\n wuffs_base__status pb_sfs_status = pixel_buffer.set_from_slice(\n &image_config.pixcfg, alloc_pixbuf_result.mem_slice);\n if (!pb_sfs_status.is_ok()) {\n return DecodeImageResult(pb_sfs_status.message());\n }\n if (valid_background_color) {\n wuffs_base__status pb_scufr_status = pixel_buffer.set_color_u32_fill_rect(\n pixel_buffer.pixcfg.bounds(), background_color);\n if (pb_scufr_status.repr != nullptr) {\n return DecodeImageResult(pb_scufr_status.message());\n }\n }\n\n // Allocate the work buffer. Wuffs' decoders conventionally assume that this\n // can be uninitialized memory.\n wuffs_base__range_ii_u64 workbuf_len = image_decoder->workbuf_len();\n DecodeImageCallbacks::AllocResult alloc_workbuf_result =\n callbacks.AllocWorkbuf(workbuf_len, true);\n if (!alloc_workbuf_result.error_message.empty()) {\n return DecodeImageResult(std::move(alloc_workbuf_res" +
+ "ult.error_message));\n } else if (alloc_workbuf_result.mem_slice.len < workbuf_len.min_incl) {\n return DecodeImageResult(DecodeImage_BufferIsTooShort);\n }\n\n // Decode the frame config.\n wuffs_base__frame_config frame_config = wuffs_base__null_frame_config();\n while (true) {\n wuffs_base__status id_dfc_status =\n image_decoder->decode_frame_config(&frame_config, &io_buf);\n if (id_dfc_status.repr == nullptr) {\n break;\n } else if (id_dfc_status.repr != wuffs_base__suspension__short_read) {\n return DecodeImageResult(id_dfc_status.message());\n } else if (io_buf.meta.closed) {\n return DecodeImageResult(DecodeImage_UnexpectedEndOfFile);\n } else {\n std::string error_message = input.CopyIn(&io_buf);\n if (!error_message.empty()) {\n return DecodeImageResult(std::move(error_message));\n }\n }\n }\n\n // Decode the frame (the pixels).\n //\n // From here on, always returns the pixel_buffer. If we get this far, we can\n // still display a partial image, even i" +
+ "f we encounter an error.\n std::string message(\"\");\n if ((pixel_blend == WUFFS_BASE__PIXEL_BLEND__SRC_OVER) &&\n frame_config.overwrite_instead_of_blend()) {\n pixel_blend = WUFFS_BASE__PIXEL_BLEND__SRC;\n }\n while (true) {\n wuffs_base__status id_df_status =\n image_decoder->decode_frame(&pixel_buffer, &io_buf, pixel_blend,\n alloc_workbuf_result.mem_slice, nullptr);\n if (id_df_status.repr == nullptr) {\n break;\n } else if (id_df_status.repr != wuffs_base__suspension__short_read) {\n message = id_df_status.message();\n break;\n } else if (io_buf.meta.closed) {\n message = DecodeImage_UnexpectedEndOfFile;\n break;\n } else {\n std::string error_message = input.CopyIn(&io_buf);\n if (!error_message.empty()) {\n message = std::move(error_message);\n break;\n }\n }\n }\n return DecodeImageResult(std::move(alloc_pixbuf_result.mem_owner),\n alloc_pixbuf_result.mem_slice, pixel_buffer,\n" +
+ " std::move(message));\n}\n\n} // namespace\n\nDecodeImageResult //\nDecodeImage(DecodeImageCallbacks& callbacks,\n sync_io::Input& input,\n wuffs_base__pixel_blend pixel_blend,\n wuffs_base__color_u32_argb_premul background_color,\n uint32_t max_incl_dimension) {\n wuffs_base__io_buffer* io_buf = input.BringsItsOwnIOBuffer();\n wuffs_base__io_buffer fallback_io_buf = wuffs_base__empty_io_buffer();\n std::unique_ptr<uint8_t[]> fallback_io_array(nullptr);\n if (!io_buf) {\n fallback_io_array = std::unique_ptr<uint8_t[]>(new uint8_t[32768]);\n fallback_io_buf =\n wuffs_base__ptr_u8__writer(fallback_io_array.get(), 32768);\n io_buf = &fallback_io_buf;\n }\n\n wuffs_base__image_decoder::unique_ptr image_decoder(nullptr, &free);\n DecodeImageResult result =\n DecodeImage0(image_decoder, callbacks, input, *io_buf, pixel_blend,\n background_color, max_incl_dimension);\n callbacks.Done(result, input, *io_buf, std::move(image_" +
+ "decoder));\n return result;\n}\n\n} // namespace wuffs_aux\n\n#endif // !defined(WUFFS_CONFIG__MODULES) ||\n // defined(WUFFS_CONFIG__MODULE__AUX__IMAGE)\n" +
""
const AuxImageHh = "" +
"// ---------------- Auxiliary - Image\n\nnamespace wuffs_aux {\n\nstruct DecodeImageResult {\n DecodeImageResult(MemOwner&& pixbuf_mem_owner0,\n wuffs_base__slice_u8 pixbuf_mem_slice0,\n wuffs_base__pixel_buffer pixbuf0,\n std::string&& error_message0);\n DecodeImageResult(std::string&& error_message0);\n\n MemOwner pixbuf_mem_owner;\n wuffs_base__slice_u8 pixbuf_mem_slice;\n wuffs_base__pixel_buffer pixbuf;\n std::string error_message;\n};\n\n// DecodeImageCallbacks are the callbacks given to DecodeImage. They are always\n// called in this order:\n// 1. SelectDecoder\n// 2. SelectPixfmt\n// 3. AllocPixbuf\n// 4. AllocWorkbuf\n// 5. Done\n//\n// It may return early - the third callback might not be invoked if the second\n// one fails - but the final callback (Done) is always invoked.\nclass DecodeImageCallbacks {\n public:\n // AllocResult holds a memory allocation (the result of malloc or new, a\n // statically allocated pointer, etc), or an error message. The memory i" +
"s\n // de-allocated when mem_owner goes out of scope and is destroyed.\n struct AllocResult {\n AllocResult(MemOwner&& mem_owner0, wuffs_base__slice_u8 mem_slice0);\n AllocResult(std::string&& error_message0);\n\n MemOwner mem_owner;\n wuffs_base__slice_u8 mem_slice;\n std::string error_message;\n };\n\n // SelectDecoder returns the image decoder for the input data's file format.\n // Returning a nullptr means failure (DecodeImage_UnsupportedImageFormat).\n //\n // Common formats will have a FourCC value in the range [1 ..= 0x7FFF_FFFF],\n // such as WUFFS_BASE__FOURCC__JPEG. A zero FourCC value means that the\n // caller is responsible for examining the opening bytes (a prefix) of the\n // input data. SelectDecoder implementations should not modify those bytes.\n //\n // SelectDecoder might be called more than once, since some image file\n // formats can wrap others. For example, a nominal BMP file can actually\n // contain a JPEG or a PNG.\n //\n // The default SelectDecoder accepts the FOURCC codes" +
- " listed below. For\n // modular builds (i.e. when #define'ing WUFFS_CONFIG__MODULES), acceptance\n // of the ETC file format is optional (for each value of ETC) and depends on\n // the corresponding module to be enabled at compile time (i.e. #define'ing\n // WUFFS_CONFIG__MODULE__ETC).\n // - WUFFS_BASE__FOURCC__BMP\n // - WUFFS_BASE__FOURCC__GIF\n // - WUFFS_BASE__FOURCC__NIE\n // - WUFFS_BASE__FOURCC__PNG\n // - WUFFS_BASE__FOURCC__WBMP\n virtual wuffs_base__image_decoder::unique_ptr //\n SelectDecoder(uint32_t fourcc, wuffs_base__slice_u8 prefix);\n\n // SelectPixfmt returns the destination pixel format for AllocPixbuf. It\n // should return wuffs_base__make_pixel_format(etc) called with one of:\n // - WUFFS_BASE__PIXEL_FORMAT__BGR_565\n // - WUFFS_BASE__PIXEL_FORMAT__BGR\n // - WUFFS_BASE__PIXEL_FORMAT__BGRA_NONPREMUL\n // - WUFFS_BASE__PIXEL_FORMAT__BGRA_PREMUL\n // or return image_config.pixcfg.pixel_format(). The latter means to use the\n // image file's natural pixel format. For example, GIF " +
- "images' natural pixel\n // format is an indexed one.\n //\n // Returning otherwise means failure (DecodeImage_UnsupportedPixelFormat).\n //\n // The default SelectPixfmt implementation returns\n // wuffs_base__make_pixel_format(WUFFS_BASE__PIXEL_FORMAT__BGRA_NONPREMUL)\n // which is 4 bytes per pixel (8 bits per channel × 4 channels).\n virtual wuffs_base__pixel_format //\n SelectPixfmt(const wuffs_base__image_config& image_config);\n\n // AllocPixbuf allocates the pixel buffer.\n //\n // allow_uninitialized_memory will be true if a valid background_color was\n // passed to DecodeImage, since the pixel buffer's contents will be\n // overwritten with that color after AllocPixbuf returns.\n //\n // The default AllocPixbuf implementation allocates either uninitialized or\n // zeroed memory. Zeroed memory typically corresponds to filling with opaque\n // black or transparent black, depending on the pixel format.\n virtual AllocResult //\n AllocPixbuf(const wuffs_base__image_config& image_config,\n b" +
- "ool allow_uninitialized_memory);\n\n // AllocWorkbuf allocates the work buffer. The allocated buffer's length\n // should be at least len_range.min_incl, but larger allocations (up to\n // len_range.max_incl) may have better performance (by using more memory).\n //\n // The default AllocWorkbuf implementation allocates len_range.max_incl bytes\n // of either uninitialized or zeroed memory.\n virtual AllocResult //\n AllocWorkbuf(wuffs_base__range_ii_u64 len_range,\n bool allow_uninitialized_memory);\n\n // Done is always the last Callback method called by DecodeImage, whether or\n // not parsing the input encountered an error. Even when successful, trailing\n // data may remain in input and buffer.\n //\n // The image_decoder is the one returned by SelectDecoder (if SelectDecoder\n // was successful), or a no-op unique_ptr otherwise. Like any unique_ptr,\n // ownership moves to the Done implementation.\n //\n // Do not keep a reference to buffer or buffer.data.ptr after Done returns,\n // as Decod" +
- "eImage may then de-allocate the backing array.\n //\n // The default Done implementation is a no-op, other than running the\n // image_decoder unique_ptr destructor.\n virtual void //\n Done(DecodeImageResult& result,\n sync_io::Input& input,\n IOBuffer& buffer,\n wuffs_base__image_decoder::unique_ptr image_decoder);\n};\n\nextern const char DecodeImage_BufferIsTooShort[];\nextern const char DecodeImage_MaxInclDimensionExceeded[];\nextern const char DecodeImage_OutOfMemory[];\nextern const char DecodeImage_UnexpectedEndOfFile[];\nextern const char DecodeImage_UnsupportedImageFormat[];\nextern const char DecodeImage_UnsupportedPixelBlend[];\nextern const char DecodeImage_UnsupportedPixelConfiguration[];\nextern const char DecodeImage_UnsupportedPixelFormat[];\n\n// DecodeImage decodes the image data in input. A variety of image file formats\n// can be decoded, depending on what callbacks.SelectDecoder returns.\n//\n// For animated formats, only the first frame is returned, since the API is\n// simpler for sync" +
- "hronous I/O and having DecodeImage only return when\n// completely done, but rendering animation often involves handling other\n// events in between animation frames. To decode multiple frames of animated\n// images, or for asynchronous I/O (e.g. when decoding an image streamed over\n// the network), use Wuffs' lower level C API instead of its higher level,\n// simplified C++ API (the wuffs_aux API).\n//\n// The DecodeImageResult's fields depend on whether decoding succeeded:\n// - On total success, the error_message is empty and pixbuf.pixcfg.is_valid()\n// is true.\n// - On partial success (e.g. the input file was truncated but we are still\n// able to decode some of the pixels), error_message is non-empty but\n// pixbuf.pixcfg.is_valid() is still true. It is up to the caller whether to\n// accept or reject partial success.\n// - On failure, the error_message is non_empty and pixbuf.pixcfg.is_valid()\n// is false.\n//\n// The callbacks allocate the pixel buffer memory and work buffer memory. On\n// success," +
- " pixel buffer memory ownership is passed to the DecodeImage caller\n// as the returned pixbuf_mem_owner. Regardless of success or failure, the work\n// buffer memory is deleted.\n//\n// The pixel_blend (one of the constants listed below) determines how to\n// composite the decoded image over the pixel buffer's original pixels (as\n// returned by callbacks.AllocPixbuf):\n// - WUFFS_BASE__PIXEL_BLEND__SRC\n// - WUFFS_BASE__PIXEL_BLEND__SRC_OVER\n//\n// The background_color is used to fill the pixel buffer after\n// callbacks.AllocPixbuf returns, if it is valid in the\n// wuffs_base__color_u32_argb_premul__is_valid sense. The default value,\n// 0x0000_0001, is not valid since its Blue channel value (0x01) is greater\n// than its Alpha channel value (0x00). A valid background_color will typically\n// be overwritten when pixel_blend is WUFFS_BASE__PIXEL_BLEND__SRC, but might\n// still be visible on partial (not total) success or when pixel_blend is\n// WUFFS_BASE__PIXEL_BLEND__SRC_OVER and the decoded image is not fully opaque.\n" +
- "//\n// Decoding fails (with DecodeImage_MaxInclDimensionExceeded) if the image's\n// width or height is greater than max_incl_dimension.\nDecodeImageResult //\nDecodeImage(DecodeImageCallbacks& callbacks,\n sync_io::Input& input,\n wuffs_base__pixel_blend pixel_blend = WUFFS_BASE__PIXEL_BLEND__SRC,\n wuffs_base__color_u32_argb_premul background_color = 1, // Invalid.\n uint32_t max_incl_dimension = 1048575); // 0x000F_FFFF\n\n} // namespace wuffs_aux\n" +
+ " listed below. For\n // modular builds (i.e. when #define'ing WUFFS_CONFIG__MODULES), acceptance\n // of the ETC file format is optional (for each value of ETC) and depends on\n // the corresponding module to be enabled at compile time (i.e. #define'ing\n // WUFFS_CONFIG__MODULE__ETC).\n // - WUFFS_BASE__FOURCC__BMP\n // - WUFFS_BASE__FOURCC__GIF\n // - WUFFS_BASE__FOURCC__NIE\n // - WUFFS_BASE__FOURCC__PNG\n // - WUFFS_BASE__FOURCC__WBMP\n virtual wuffs_base__image_decoder::unique_ptr //\n SelectDecoder(uint32_t fourcc, wuffs_base__slice_u8 prefix);\n\n // SelectPixfmt returns the destination pixel format for AllocPixbuf. It\n // should return wuffs_base__make_pixel_format(etc) called with one of:\n // - WUFFS_BASE__PIXEL_FORMAT__BGR_565\n // - WUFFS_BASE__PIXEL_FORMAT__BGR\n // - WUFFS_BASE__PIXEL_FORMAT__BGRA_NONPREMUL\n // - WUFFS_BASE__PIXEL_FORMAT__BGRA_PREMUL\n // - WUFFS_BASE__PIXEL_FORMAT__RGBA_NONPREMUL\n // - WUFFS_BASE__PIXEL_FORMAT__RGBA_PREMUL\n // or return image_config.pixcfg.pixel_" +
+ "format(). The latter means to use the\n // image file's natural pixel format. For example, GIF images' natural pixel\n // format is an indexed one.\n //\n // Returning otherwise means failure (DecodeImage_UnsupportedPixelFormat).\n //\n // The default SelectPixfmt implementation returns\n // wuffs_base__make_pixel_format(WUFFS_BASE__PIXEL_FORMAT__BGRA_NONPREMUL)\n // which is 4 bytes per pixel (8 bits per channel × 4 channels).\n virtual wuffs_base__pixel_format //\n SelectPixfmt(const wuffs_base__image_config& image_config);\n\n // AllocPixbuf allocates the pixel buffer.\n //\n // allow_uninitialized_memory will be true if a valid background_color was\n // passed to DecodeImage, since the pixel buffer's contents will be\n // overwritten with that color after AllocPixbuf returns.\n //\n // The default AllocPixbuf implementation allocates either uninitialized or\n // zeroed memory. Zeroed memory typically corresponds to filling with opaque\n // black or transparent black, depending on the pixel format.\n virt" +
+ "ual AllocResult //\n AllocPixbuf(const wuffs_base__image_config& image_config,\n bool allow_uninitialized_memory);\n\n // AllocWorkbuf allocates the work buffer. The allocated buffer's length\n // should be at least len_range.min_incl, but larger allocations (up to\n // len_range.max_incl) may have better performance (by using more memory).\n //\n // The default AllocWorkbuf implementation allocates len_range.max_incl bytes\n // of either uninitialized or zeroed memory.\n virtual AllocResult //\n AllocWorkbuf(wuffs_base__range_ii_u64 len_range,\n bool allow_uninitialized_memory);\n\n // Done is always the last Callback method called by DecodeImage, whether or\n // not parsing the input encountered an error. Even when successful, trailing\n // data may remain in input and buffer.\n //\n // The image_decoder is the one returned by SelectDecoder (if SelectDecoder\n // was successful), or a no-op unique_ptr otherwise. Like any unique_ptr,\n // ownership moves to the Done implementation.\n " +
+ " //\n // Do not keep a reference to buffer or buffer.data.ptr after Done returns,\n // as DecodeImage may then de-allocate the backing array.\n //\n // The default Done implementation is a no-op, other than running the\n // image_decoder unique_ptr destructor.\n virtual void //\n Done(DecodeImageResult& result,\n sync_io::Input& input,\n IOBuffer& buffer,\n wuffs_base__image_decoder::unique_ptr image_decoder);\n};\n\nextern const char DecodeImage_BufferIsTooShort[];\nextern const char DecodeImage_MaxInclDimensionExceeded[];\nextern const char DecodeImage_OutOfMemory[];\nextern const char DecodeImage_UnexpectedEndOfFile[];\nextern const char DecodeImage_UnsupportedImageFormat[];\nextern const char DecodeImage_UnsupportedPixelBlend[];\nextern const char DecodeImage_UnsupportedPixelConfiguration[];\nextern const char DecodeImage_UnsupportedPixelFormat[];\n\n// DecodeImage decodes the image data in input. A variety of image file formats\n// can be decoded, depending on what callbacks.SelectDecoder returns.\n//\n" +
+ "// For animated formats, only the first frame is returned, since the API is\n// simpler for synchronous I/O and having DecodeImage only return when\n// completely done, but rendering animation often involves handling other\n// events in between animation frames. To decode multiple frames of animated\n// images, or for asynchronous I/O (e.g. when decoding an image streamed over\n// the network), use Wuffs' lower level C API instead of its higher level,\n// simplified C++ API (the wuffs_aux API).\n//\n// The DecodeImageResult's fields depend on whether decoding succeeded:\n// - On total success, the error_message is empty and pixbuf.pixcfg.is_valid()\n// is true.\n// - On partial success (e.g. the input file was truncated but we are still\n// able to decode some of the pixels), error_message is non-empty but\n// pixbuf.pixcfg.is_valid() is still true. It is up to the caller whether to\n// accept or reject partial success.\n// - On failure, the error_message is non_empty and pixbuf.pixcfg.is_valid()\n// is fal" +
+ "se.\n//\n// The callbacks allocate the pixel buffer memory and work buffer memory. On\n// success, pixel buffer memory ownership is passed to the DecodeImage caller\n// as the returned pixbuf_mem_owner. Regardless of success or failure, the work\n// buffer memory is deleted.\n//\n// The pixel_blend (one of the constants listed below) determines how to\n// composite the decoded image over the pixel buffer's original pixels (as\n// returned by callbacks.AllocPixbuf):\n// - WUFFS_BASE__PIXEL_BLEND__SRC\n// - WUFFS_BASE__PIXEL_BLEND__SRC_OVER\n//\n// The background_color is used to fill the pixel buffer after\n// callbacks.AllocPixbuf returns, if it is valid in the\n// wuffs_base__color_u32_argb_premul__is_valid sense. The default value,\n// 0x0000_0001, is not valid since its Blue channel value (0x01) is greater\n// than its Alpha channel value (0x00). A valid background_color will typically\n// be overwritten when pixel_blend is WUFFS_BASE__PIXEL_BLEND__SRC, but might\n// still be visible on partial (not total) success or when " +
+ "pixel_blend is\n// WUFFS_BASE__PIXEL_BLEND__SRC_OVER and the decoded image is not fully opaque.\n//\n// Decoding fails (with DecodeImage_MaxInclDimensionExceeded) if the image's\n// width or height is greater than max_incl_dimension.\nDecodeImageResult //\nDecodeImage(DecodeImageCallbacks& callbacks,\n sync_io::Input& input,\n wuffs_base__pixel_blend pixel_blend = WUFFS_BASE__PIXEL_BLEND__SRC,\n wuffs_base__color_u32_argb_premul background_color = 1, // Invalid.\n uint32_t max_incl_dimension = 1048575); // 0x000F_FFFF\n\n} // namespace wuffs_aux\n" +
""
const AuxJsonCc = "" +
diff --git a/release/c/wuffs-unsupported-snapshot.c b/release/c/wuffs-unsupported-snapshot.c
index 27cd84f..293f5bc 100644
--- a/release/c/wuffs-unsupported-snapshot.c
+++ b/release/c/wuffs-unsupported-snapshot.c
@@ -9557,6 +9557,8 @@
// - WUFFS_BASE__PIXEL_FORMAT__BGR
// - WUFFS_BASE__PIXEL_FORMAT__BGRA_NONPREMUL
// - WUFFS_BASE__PIXEL_FORMAT__BGRA_PREMUL
+ // - WUFFS_BASE__PIXEL_FORMAT__RGBA_NONPREMUL
+ // - WUFFS_BASE__PIXEL_FORMAT__RGBA_PREMUL
// or return image_config.pixcfg.pixel_format(). The latter means to use the
// image file's natural pixel format. For example, GIF images' natural pixel
// format is an indexed one.
@@ -14759,12 +14761,29 @@
static inline uint32_t //
wuffs_base__swap_u32_argb_abgr(uint32_t u) {
- uint32_t o = u & 0xFF00FF00;
- uint32_t r = u & 0x00FF0000;
- uint32_t b = u & 0x000000FF;
+ uint32_t o = u & 0xFF00FF00ul;
+ uint32_t r = u & 0x00FF0000ul;
+ uint32_t b = u & 0x000000FFul;
return o | (r >> 16) | (b << 16);
}
+static inline uint64_t //
+wuffs_base__swap_u64_argb_abgr(uint64_t u) {
+ uint64_t o = u & 0xFFFF0000FFFF0000ull;
+ uint64_t r = u & 0x0000FFFF00000000ull;
+ uint64_t b = u & 0x000000000000FFFFull;
+ return o | (r >> 32) | (b << 32);
+}
+
+static inline uint32_t //
+wuffs_base__color_u64__as__color_u32__swap_u32_argb_abgr(uint64_t c) {
+ uint32_t a = ((uint32_t)(0xFF & (c >> 56)));
+ uint32_t r = ((uint32_t)(0xFF & (c >> 40)));
+ uint32_t g = ((uint32_t)(0xFF & (c >> 24)));
+ uint32_t b = ((uint32_t)(0xFF & (c >> 8)));
+ return (a << 24) | (b << 16) | (g << 8) | (r << 0);
+}
+
// --------
WUFFS_BASE__MAYBE_STATIC wuffs_base__color_u32_argb_premul //
@@ -15573,34 +15592,6 @@
// --------
static uint64_t //
-wuffs_base__pixel_swizzler__squash_tight_4x8_4x16le(uint8_t* dst_ptr,
- size_t dst_len,
- uint8_t* dst_palette_ptr,
- size_t dst_palette_len,
- const uint8_t* src_ptr,
- size_t src_len) {
- size_t dst_len4 = dst_len / 4;
- size_t src_len8 = src_len / 8;
- size_t len = (dst_len4 < src_len8) ? dst_len4 : src_len8;
- uint8_t* d = dst_ptr;
- const uint8_t* s = src_ptr;
-
- size_t n = len;
- while (n >= 1) {
- wuffs_base__poke_u32le__no_bounds_check(
- d + (0 * 4), wuffs_base__color_u64__as__color_u32(
- wuffs_base__peek_u64le__no_bounds_check(s + (0 * 8))));
-
- s += 1 * 8;
- d += 1 * 4;
- n -= 1;
- }
- return len;
-}
-
-// --------
-
-static uint64_t //
wuffs_base__pixel_swizzler__copy_1_1(uint8_t* dst_ptr,
size_t dst_len,
uint8_t* dst_palette_ptr,
@@ -16456,6 +16447,33 @@
}
static uint64_t //
+wuffs_base__pixel_swizzler__bgra_nonpremul__bgra_nonpremul_4x16le__src(
+ uint8_t* dst_ptr,
+ size_t dst_len,
+ uint8_t* dst_palette_ptr,
+ size_t dst_palette_len,
+ const uint8_t* src_ptr,
+ size_t src_len) {
+ size_t dst_len4 = dst_len / 4;
+ size_t src_len8 = src_len / 8;
+ size_t len = (dst_len4 < src_len8) ? dst_len4 : src_len8;
+ uint8_t* d = dst_ptr;
+ const uint8_t* s = src_ptr;
+
+ size_t n = len;
+ while (n >= 1) {
+ wuffs_base__poke_u32le__no_bounds_check(
+ d + (0 * 4), wuffs_base__color_u64__as__color_u32(
+ wuffs_base__peek_u64le__no_bounds_check(s + (0 * 8))));
+
+ s += 1 * 8;
+ d += 1 * 4;
+ n -= 1;
+ }
+ return len;
+}
+
+static uint64_t //
wuffs_base__pixel_swizzler__bgra_nonpremul__bgra_nonpremul_4x16le__src_over(
uint8_t* dst_ptr,
size_t dst_len,
@@ -16780,6 +16798,74 @@
return len;
}
+static uint64_t //
+wuffs_base__pixel_swizzler__bgra_premul__rgba_nonpremul_4x16le__src(
+ uint8_t* dst_ptr,
+ size_t dst_len,
+ uint8_t* dst_palette_ptr,
+ size_t dst_palette_len,
+ const uint8_t* src_ptr,
+ size_t src_len) {
+ size_t dst_len4 = dst_len / 4;
+ size_t src_len8 = src_len / 8;
+ size_t len = (dst_len4 < src_len8) ? dst_len4 : src_len8;
+ uint8_t* d = dst_ptr;
+ const uint8_t* s = src_ptr;
+ size_t n = len;
+
+ // TODO: unroll.
+
+ while (n >= 1) {
+ uint64_t s0 = wuffs_base__peek_u64le__no_bounds_check(s + (0 * 8));
+ wuffs_base__poke_u32le__no_bounds_check(
+ d + (0 * 4),
+ wuffs_base__swap_u32_argb_abgr(
+ wuffs_base__color_u64_argb_nonpremul__as__color_u32_argb_premul(
+ s0)));
+
+ s += 1 * 8;
+ d += 1 * 4;
+ n -= 1;
+ }
+
+ return len;
+}
+
+static uint64_t //
+wuffs_base__pixel_swizzler__bgra_premul__rgba_nonpremul_4x16le__src_over(
+ uint8_t* dst_ptr,
+ size_t dst_len,
+ uint8_t* dst_palette_ptr,
+ size_t dst_palette_len,
+ const uint8_t* src_ptr,
+ size_t src_len) {
+ size_t dst_len4 = dst_len / 4;
+ size_t src_len8 = src_len / 8;
+ size_t len = (dst_len4 < src_len8) ? dst_len4 : src_len8;
+ uint8_t* d = dst_ptr;
+ const uint8_t* s = src_ptr;
+ size_t n = len;
+
+ // TODO: unroll.
+
+ while (n >= 1) {
+ uint64_t d0 = wuffs_base__color_u32__as__color_u64(
+ wuffs_base__peek_u32le__no_bounds_check(d + (0 * 4)));
+ uint64_t s0 = wuffs_base__swap_u64_argb_abgr(
+ wuffs_base__peek_u64le__no_bounds_check(s + (0 * 8)));
+ wuffs_base__poke_u32le__no_bounds_check(
+ d + (0 * 4),
+ wuffs_base__color_u64__as__color_u32(
+ wuffs_base__composite_premul_nonpremul_u64_axxx(d0, s0)));
+
+ s += 1 * 8;
+ d += 1 * 4;
+ n -= 1;
+ }
+
+ return len;
+}
+
// --------
static uint64_t //
@@ -16926,6 +17012,101 @@
return len;
}
+static uint64_t //
+wuffs_base__pixel_swizzler__bgrw__rgbx(uint8_t* dst_ptr,
+ size_t dst_len,
+ uint8_t* dst_palette_ptr,
+ size_t dst_palette_len,
+ const uint8_t* src_ptr,
+ size_t src_len) {
+ size_t dst_len4 = dst_len / 4;
+ size_t src_len4 = src_len / 4;
+ size_t len = (dst_len4 < src_len4) ? dst_len4 : src_len4;
+ uint8_t* d = dst_ptr;
+ const uint8_t* s = src_ptr;
+ size_t n = len;
+
+ // TODO: unroll.
+
+ while (n >= 1) {
+ uint8_t b0 = s[0];
+ uint8_t b1 = s[1];
+ uint8_t b2 = s[2];
+ d[0] = b2;
+ d[1] = b1;
+ d[2] = b0;
+ d[3] = 0xFF;
+
+ s += 1 * 4;
+ d += 1 * 4;
+ n -= 1;
+ }
+
+ return len;
+}
+
+// --------
+
+static uint64_t //
+wuffs_base__pixel_swizzler__rgba_nonpremul__bgra_nonpremul_4x16le__src(
+ uint8_t* dst_ptr,
+ size_t dst_len,
+ uint8_t* dst_palette_ptr,
+ size_t dst_palette_len,
+ const uint8_t* src_ptr,
+ size_t src_len) {
+ size_t dst_len4 = dst_len / 4;
+ size_t src_len8 = src_len / 8;
+ size_t len = (dst_len4 < src_len8) ? dst_len4 : src_len8;
+ uint8_t* d = dst_ptr;
+ const uint8_t* s = src_ptr;
+
+ size_t n = len;
+ while (n >= 1) {
+ wuffs_base__poke_u32le__no_bounds_check(
+ d + (0 * 4), wuffs_base__color_u64__as__color_u32__swap_u32_argb_abgr(
+ wuffs_base__peek_u64le__no_bounds_check(s + (0 * 8))));
+
+ s += 1 * 8;
+ d += 1 * 4;
+ n -= 1;
+ }
+ return len;
+}
+
+static uint64_t //
+wuffs_base__pixel_swizzler__rgba_nonpremul__bgra_nonpremul_4x16le__src_over(
+ uint8_t* dst_ptr,
+ size_t dst_len,
+ uint8_t* dst_palette_ptr,
+ size_t dst_palette_len,
+ const uint8_t* src_ptr,
+ size_t src_len) {
+ size_t dst_len4 = dst_len / 4;
+ size_t src_len8 = src_len / 8;
+ size_t len = (dst_len4 < src_len8) ? dst_len4 : src_len8;
+ uint8_t* d = dst_ptr;
+ const uint8_t* s = src_ptr;
+ size_t n = len;
+
+ while (n >= 1) {
+ uint64_t d0 = wuffs_base__color_u32__as__color_u64(
+ wuffs_base__peek_u32le__no_bounds_check(d + (0 * 4)));
+ uint64_t s0 = wuffs_base__swap_u64_argb_abgr(
+ wuffs_base__peek_u64le__no_bounds_check(s + (0 * 8)));
+ wuffs_base__poke_u32le__no_bounds_check(
+ d + (0 * 4),
+ wuffs_base__color_u64__as__color_u32(
+ wuffs_base__composite_nonpremul_nonpremul_u64_axxx(d0, s0)));
+
+ s += 1 * 8;
+ d += 1 * 4;
+ n -= 1;
+ }
+
+ return len;
+}
+
// --------
static uint64_t //
@@ -17595,8 +17776,42 @@
return NULL;
case WUFFS_BASE__PIXEL_FORMAT__RGB:
+ // TODO.
+ break;
+
case WUFFS_BASE__PIXEL_FORMAT__RGBA_NONPREMUL:
+ if (wuffs_base__pixel_swizzler__swap_rgbx_bgrx(
+ dst_palette.ptr, dst_palette.len, NULL, 0, src_palette.ptr,
+ src_palette.len) != 256) {
+ return NULL;
+ }
+ switch (blend) {
+ case WUFFS_BASE__PIXEL_BLEND__SRC:
+ return wuffs_base__pixel_swizzler__xxxx__index__src;
+ case WUFFS_BASE__PIXEL_BLEND__SRC_OVER:
+ return wuffs_base__pixel_swizzler__bgra_nonpremul__index_bgra_nonpremul__src_over;
+ }
+ return NULL;
+
case WUFFS_BASE__PIXEL_FORMAT__RGBA_PREMUL:
+ switch (blend) {
+ case WUFFS_BASE__PIXEL_BLEND__SRC:
+ if (wuffs_base__pixel_swizzler__bgra_premul__rgba_nonpremul__src(
+ dst_palette.ptr, dst_palette.len, NULL, 0, src_palette.ptr,
+ src_palette.len) != 256) {
+ return NULL;
+ }
+ return wuffs_base__pixel_swizzler__xxxx__index__src;
+ case WUFFS_BASE__PIXEL_BLEND__SRC_OVER:
+ if (wuffs_base__pixel_swizzler__swap_rgbx_bgrx(
+ dst_palette.ptr, dst_palette.len, NULL, 0, src_palette.ptr,
+ src_palette.len) != 256) {
+ return NULL;
+ }
+ return wuffs_base__pixel_swizzler__bgra_premul__index_bgra_nonpremul__src_over;
+ }
+ return NULL;
+
case WUFFS_BASE__PIXEL_FORMAT__RGBX:
// TODO.
break;
@@ -17720,12 +17935,18 @@
return wuffs_base__pixel_swizzler__bgrw__bgr;
case WUFFS_BASE__PIXEL_FORMAT__RGB:
+ return wuffs_base__pixel_swizzler__swap_rgb_bgr;
+
case WUFFS_BASE__PIXEL_FORMAT__RGBA_NONPREMUL:
case WUFFS_BASE__PIXEL_FORMAT__RGBA_PREMUL:
case WUFFS_BASE__PIXEL_FORMAT__RGBA_BINARY:
case WUFFS_BASE__PIXEL_FORMAT__RGBX:
- // TODO.
- break;
+#if defined(WUFFS_BASE__CPU_ARCH__X86_64)
+ if (wuffs_base__cpu_arch__have_x86_sse42()) {
+ return wuffs_base__pixel_swizzler__bgrw__rgb__sse42;
+ }
+#endif
+ return wuffs_base__pixel_swizzler__bgrw__rgb;
}
return NULL;
}
@@ -17780,8 +18001,32 @@
break;
case WUFFS_BASE__PIXEL_FORMAT__RGB:
+ // TODO.
+ break;
+
case WUFFS_BASE__PIXEL_FORMAT__RGBA_NONPREMUL:
+ switch (blend) {
+ case WUFFS_BASE__PIXEL_BLEND__SRC:
+#if defined(WUFFS_BASE__CPU_ARCH__X86_64)
+ if (wuffs_base__cpu_arch__have_x86_sse42()) {
+ return wuffs_base__pixel_swizzler__swap_rgbx_bgrx__sse42;
+ }
+#endif
+ return wuffs_base__pixel_swizzler__swap_rgbx_bgrx;
+ case WUFFS_BASE__PIXEL_BLEND__SRC_OVER:
+ return wuffs_base__pixel_swizzler__bgra_nonpremul__rgba_nonpremul__src_over;
+ }
+ return NULL;
+
case WUFFS_BASE__PIXEL_FORMAT__RGBA_PREMUL:
+ switch (blend) {
+ case WUFFS_BASE__PIXEL_BLEND__SRC:
+ return wuffs_base__pixel_swizzler__bgra_premul__rgba_nonpremul__src;
+ case WUFFS_BASE__PIXEL_BLEND__SRC_OVER:
+ return wuffs_base__pixel_swizzler__bgra_premul__rgba_nonpremul__src_over;
+ }
+ return NULL;
+
case WUFFS_BASE__PIXEL_FORMAT__RGBA_BINARY:
case WUFFS_BASE__PIXEL_FORMAT__RGBX:
// TODO.
@@ -17819,7 +18064,7 @@
case WUFFS_BASE__PIXEL_FORMAT__BGRA_NONPREMUL:
switch (blend) {
case WUFFS_BASE__PIXEL_BLEND__SRC:
- return wuffs_base__pixel_swizzler__squash_tight_4x8_4x16le;
+ return wuffs_base__pixel_swizzler__bgra_nonpremul__bgra_nonpremul_4x16le__src;
case WUFFS_BASE__PIXEL_BLEND__SRC_OVER:
return wuffs_base__pixel_swizzler__bgra_nonpremul__bgra_nonpremul_4x16le__src_over;
}
@@ -17840,8 +18085,27 @@
break;
case WUFFS_BASE__PIXEL_FORMAT__RGB:
+ // TODO.
+ break;
+
case WUFFS_BASE__PIXEL_FORMAT__RGBA_NONPREMUL:
+ switch (blend) {
+ case WUFFS_BASE__PIXEL_BLEND__SRC:
+ return wuffs_base__pixel_swizzler__rgba_nonpremul__bgra_nonpremul_4x16le__src;
+ case WUFFS_BASE__PIXEL_BLEND__SRC_OVER:
+ return wuffs_base__pixel_swizzler__rgba_nonpremul__bgra_nonpremul_4x16le__src_over;
+ }
+ break;
+
case WUFFS_BASE__PIXEL_FORMAT__RGBA_PREMUL:
+ switch (blend) {
+ case WUFFS_BASE__PIXEL_BLEND__SRC:
+ return wuffs_base__pixel_swizzler__bgra_premul__rgba_nonpremul_4x16le__src;
+ case WUFFS_BASE__PIXEL_BLEND__SRC_OVER:
+ return wuffs_base__pixel_swizzler__bgra_premul__rgba_nonpremul_4x16le__src_over;
+ }
+ return NULL;
+
case WUFFS_BASE__PIXEL_FORMAT__RGBA_BINARY:
case WUFFS_BASE__PIXEL_FORMAT__RGBX:
// TODO.
@@ -17872,12 +18136,14 @@
return wuffs_base__pixel_swizzler__copy_4_4;
case WUFFS_BASE__PIXEL_FORMAT__RGB:
+ // TODO.
+ break;
+
case WUFFS_BASE__PIXEL_FORMAT__RGBA_NONPREMUL:
case WUFFS_BASE__PIXEL_FORMAT__RGBA_PREMUL:
case WUFFS_BASE__PIXEL_FORMAT__RGBA_BINARY:
case WUFFS_BASE__PIXEL_FORMAT__RGBX:
- // TODO.
- break;
+ return wuffs_base__pixel_swizzler__bgrw__rgbx;
}
return NULL;
}
@@ -17907,12 +18173,13 @@
return wuffs_base__pixel_swizzler__bgrw__rgb;
case WUFFS_BASE__PIXEL_FORMAT__RGB:
+ return wuffs_base__pixel_swizzler__copy_3_3;
+
case WUFFS_BASE__PIXEL_FORMAT__RGBA_NONPREMUL:
case WUFFS_BASE__PIXEL_FORMAT__RGBA_PREMUL:
case WUFFS_BASE__PIXEL_FORMAT__RGBA_BINARY:
case WUFFS_BASE__PIXEL_FORMAT__RGBX:
- // TODO.
- break;
+ return wuffs_base__pixel_swizzler__bgrw__bgr;
}
return NULL;
}
@@ -17972,8 +18239,27 @@
break;
case WUFFS_BASE__PIXEL_FORMAT__RGB:
+ // TODO.
+ break;
+
case WUFFS_BASE__PIXEL_FORMAT__RGBA_NONPREMUL:
+ switch (blend) {
+ case WUFFS_BASE__PIXEL_BLEND__SRC:
+ return wuffs_base__pixel_swizzler__copy_4_4;
+ case WUFFS_BASE__PIXEL_BLEND__SRC_OVER:
+ return wuffs_base__pixel_swizzler__bgra_nonpremul__bgra_nonpremul__src_over;
+ }
+ return NULL;
+
case WUFFS_BASE__PIXEL_FORMAT__RGBA_PREMUL:
+ switch (blend) {
+ case WUFFS_BASE__PIXEL_BLEND__SRC:
+ return wuffs_base__pixel_swizzler__bgra_premul__bgra_nonpremul__src;
+ case WUFFS_BASE__PIXEL_BLEND__SRC_OVER:
+ return wuffs_base__pixel_swizzler__bgra_premul__bgra_nonpremul__src_over;
+ }
+ return NULL;
+
case WUFFS_BASE__PIXEL_FORMAT__RGBA_BINARY:
case WUFFS_BASE__PIXEL_FORMAT__RGBX:
// TODO.
@@ -37303,6 +37589,8 @@
case WUFFS_BASE__PIXEL_FORMAT__BGR:
case WUFFS_BASE__PIXEL_FORMAT__BGRA_NONPREMUL:
case WUFFS_BASE__PIXEL_FORMAT__BGRA_PREMUL:
+ case WUFFS_BASE__PIXEL_FORMAT__RGBA_NONPREMUL:
+ case WUFFS_BASE__PIXEL_FORMAT__RGBA_PREMUL:
break;
default:
return DecodeImageResult(DecodeImage_UnsupportedPixelFormat);
diff --git a/test/c/std/wbmp.c b/test/c/std/wbmp.c
index b0e3059..e1e8e73 100644
--- a/test/c/std/wbmp.c
+++ b/test/c/std/wbmp.c
@@ -288,6 +288,14 @@
.color = 0x80000040,
.pixfmt_repr = WUFFS_BASE__PIXEL_FORMAT__BGRA_PREMUL,
},
+ {
+ .color = 0x33002233,
+ .pixfmt_repr = WUFFS_BASE__PIXEL_FORMAT__RGBA_NONPREMUL,
+ },
+ {
+ .color = 0x33002233,
+ .pixfmt_repr = WUFFS_BASE__PIXEL_FORMAT__RGBA_PREMUL,
+ },
};
const wuffs_base__pixel_blend blends[] = {
