| // After editing this file, run "go generate" in the ../data directory. |
| |
| // Copyright 2017 The Wuffs Authors. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // https://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| // ---------------- Pixel Swizzler |
| |
| static inline uint32_t // |
| wuffs_base__swap_u32_argb_abgr(uint32_t u) { |
| 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 // |
| wuffs_base__pixel_buffer__color_u32_at(const wuffs_base__pixel_buffer* pb, |
| uint32_t x, |
| uint32_t y) { |
| if (!pb || (x >= pb->pixcfg.private_impl.width) || |
| (y >= pb->pixcfg.private_impl.height)) { |
| return 0; |
| } |
| |
| if (wuffs_base__pixel_format__is_planar(&pb->pixcfg.private_impl.pixfmt)) { |
| // TODO: support planar formats. |
| return 0; |
| } |
| |
| size_t stride = pb->private_impl.planes[0].stride; |
| const uint8_t* row = pb->private_impl.planes[0].ptr + (stride * ((size_t)y)); |
| |
| switch (pb->pixcfg.private_impl.pixfmt.repr) { |
| case WUFFS_BASE__PIXEL_FORMAT__BGRA_PREMUL: |
| case WUFFS_BASE__PIXEL_FORMAT__BGRA_BINARY: |
| return wuffs_base__peek_u32le__no_bounds_check(row + (4 * ((size_t)x))); |
| |
| case WUFFS_BASE__PIXEL_FORMAT__INDEXED__BGRA_PREMUL: |
| case WUFFS_BASE__PIXEL_FORMAT__INDEXED__BGRA_BINARY: { |
| uint8_t* palette = pb->private_impl.planes[3].ptr; |
| return wuffs_base__peek_u32le__no_bounds_check(palette + |
| (4 * ((size_t)row[x]))); |
| } |
| |
| // Common formats above. Rarer formats below. |
| |
| case WUFFS_BASE__PIXEL_FORMAT__Y: |
| return 0xFF000000 | (0x00010101 * ((uint32_t)(row[x]))); |
| case WUFFS_BASE__PIXEL_FORMAT__Y_16LE: |
| return 0xFF000000 | (0x00010101 * ((uint32_t)(row[(2 * x) + 1]))); |
| case WUFFS_BASE__PIXEL_FORMAT__Y_16BE: |
| return 0xFF000000 | (0x00010101 * ((uint32_t)(row[(2 * x) + 0]))); |
| |
| case WUFFS_BASE__PIXEL_FORMAT__INDEXED__BGRA_NONPREMUL: { |
| uint8_t* palette = pb->private_impl.planes[3].ptr; |
| return wuffs_base__color_u32_argb_nonpremul__as__color_u32_argb_premul( |
| wuffs_base__peek_u32le__no_bounds_check(palette + |
| (4 * ((size_t)row[x])))); |
| } |
| |
| case WUFFS_BASE__PIXEL_FORMAT__BGR_565: |
| return wuffs_base__color_u16_rgb_565__as__color_u32_argb_premul( |
| wuffs_base__peek_u16le__no_bounds_check(row + (2 * ((size_t)x)))); |
| case WUFFS_BASE__PIXEL_FORMAT__BGR: |
| return 0xFF000000 | |
| wuffs_base__peek_u24le__no_bounds_check(row + (3 * ((size_t)x))); |
| case WUFFS_BASE__PIXEL_FORMAT__BGRA_NONPREMUL: |
| return wuffs_base__color_u32_argb_nonpremul__as__color_u32_argb_premul( |
| wuffs_base__peek_u32le__no_bounds_check(row + (4 * ((size_t)x)))); |
| case WUFFS_BASE__PIXEL_FORMAT__BGRA_NONPREMUL_4X16LE: |
| return wuffs_base__color_u64_argb_nonpremul__as__color_u32_argb_premul( |
| wuffs_base__peek_u64le__no_bounds_check(row + (8 * ((size_t)x)))); |
| case WUFFS_BASE__PIXEL_FORMAT__BGRX: |
| return 0xFF000000 | |
| wuffs_base__peek_u32le__no_bounds_check(row + (4 * ((size_t)x))); |
| |
| case WUFFS_BASE__PIXEL_FORMAT__RGB: |
| return wuffs_base__swap_u32_argb_abgr( |
| 0xFF000000 | |
| wuffs_base__peek_u24le__no_bounds_check(row + (3 * ((size_t)x)))); |
| case WUFFS_BASE__PIXEL_FORMAT__RGBA_NONPREMUL: |
| return wuffs_base__swap_u32_argb_abgr( |
| wuffs_base__color_u32_argb_nonpremul__as__color_u32_argb_premul( |
| wuffs_base__peek_u32le__no_bounds_check(row + |
| (4 * ((size_t)x))))); |
| case WUFFS_BASE__PIXEL_FORMAT__RGBA_PREMUL: |
| case WUFFS_BASE__PIXEL_FORMAT__RGBA_BINARY: |
| return wuffs_base__swap_u32_argb_abgr( |
| wuffs_base__peek_u32le__no_bounds_check(row + (4 * ((size_t)x)))); |
| case WUFFS_BASE__PIXEL_FORMAT__RGBX: |
| return wuffs_base__swap_u32_argb_abgr( |
| 0xFF000000 | |
| wuffs_base__peek_u32le__no_bounds_check(row + (4 * ((size_t)x)))); |
| |
| default: |
| // TODO: support more formats. |
| break; |
| } |
| |
| return 0; |
| } |
| |
| // -------- |
| |
| WUFFS_BASE__MAYBE_STATIC wuffs_base__status // |
| wuffs_base__pixel_buffer__set_color_u32_at( |
| wuffs_base__pixel_buffer* pb, |
| uint32_t x, |
| uint32_t y, |
| wuffs_base__color_u32_argb_premul color) { |
| if (!pb) { |
| return wuffs_base__make_status(wuffs_base__error__bad_receiver); |
| } |
| if ((x >= pb->pixcfg.private_impl.width) || |
| (y >= pb->pixcfg.private_impl.height)) { |
| return wuffs_base__make_status(wuffs_base__error__bad_argument); |
| } |
| |
| if (wuffs_base__pixel_format__is_planar(&pb->pixcfg.private_impl.pixfmt)) { |
| // TODO: support planar formats. |
| return wuffs_base__make_status(wuffs_base__error__unsupported_option); |
| } |
| |
| size_t stride = pb->private_impl.planes[0].stride; |
| uint8_t* row = pb->private_impl.planes[0].ptr + (stride * ((size_t)y)); |
| |
| switch (pb->pixcfg.private_impl.pixfmt.repr) { |
| case WUFFS_BASE__PIXEL_FORMAT__BGRA_PREMUL: |
| case WUFFS_BASE__PIXEL_FORMAT__BGRX: |
| wuffs_base__poke_u32le__no_bounds_check(row + (4 * ((size_t)x)), color); |
| break; |
| |
| // Common formats above. Rarer formats below. |
| |
| case WUFFS_BASE__PIXEL_FORMAT__Y: |
| wuffs_base__poke_u8__no_bounds_check( |
| row + ((size_t)x), |
| wuffs_base__color_u32_argb_premul__as__color_u8_gray(color)); |
| break; |
| case WUFFS_BASE__PIXEL_FORMAT__Y_16LE: |
| wuffs_base__poke_u16le__no_bounds_check( |
| row + (2 * ((size_t)x)), |
| wuffs_base__color_u32_argb_premul__as__color_u16_gray(color)); |
| break; |
| case WUFFS_BASE__PIXEL_FORMAT__Y_16BE: |
| wuffs_base__poke_u16be__no_bounds_check( |
| row + (2 * ((size_t)x)), |
| wuffs_base__color_u32_argb_premul__as__color_u16_gray(color)); |
| break; |
| |
| case WUFFS_BASE__PIXEL_FORMAT__INDEXED__BGRA_NONPREMUL: |
| case WUFFS_BASE__PIXEL_FORMAT__INDEXED__BGRA_PREMUL: |
| case WUFFS_BASE__PIXEL_FORMAT__INDEXED__BGRA_BINARY: |
| wuffs_base__poke_u8__no_bounds_check( |
| row + ((size_t)x), wuffs_base__pixel_palette__closest_element( |
| wuffs_base__pixel_buffer__palette(pb), |
| pb->pixcfg.private_impl.pixfmt, color)); |
| break; |
| |
| case WUFFS_BASE__PIXEL_FORMAT__BGR_565: |
| wuffs_base__poke_u16le__no_bounds_check( |
| row + (2 * ((size_t)x)), |
| wuffs_base__color_u32_argb_premul__as__color_u16_rgb_565(color)); |
| break; |
| case WUFFS_BASE__PIXEL_FORMAT__BGR: |
| wuffs_base__poke_u24le__no_bounds_check(row + (3 * ((size_t)x)), color); |
| break; |
| case WUFFS_BASE__PIXEL_FORMAT__BGRA_NONPREMUL: |
| wuffs_base__poke_u32le__no_bounds_check( |
| row + (4 * ((size_t)x)), |
| wuffs_base__color_u32_argb_premul__as__color_u32_argb_nonpremul( |
| color)); |
| break; |
| case WUFFS_BASE__PIXEL_FORMAT__BGRA_NONPREMUL_4X16LE: |
| wuffs_base__poke_u64le__no_bounds_check( |
| row + (8 * ((size_t)x)), |
| wuffs_base__color_u32_argb_premul__as__color_u64_argb_nonpremul( |
| color)); |
| break; |
| |
| case WUFFS_BASE__PIXEL_FORMAT__RGB: |
| wuffs_base__poke_u24le__no_bounds_check( |
| row + (3 * ((size_t)x)), wuffs_base__swap_u32_argb_abgr(color)); |
| break; |
| case WUFFS_BASE__PIXEL_FORMAT__RGBA_NONPREMUL: |
| wuffs_base__poke_u32le__no_bounds_check( |
| row + (4 * ((size_t)x)), |
| wuffs_base__color_u32_argb_premul__as__color_u32_argb_nonpremul( |
| wuffs_base__swap_u32_argb_abgr(color))); |
| break; |
| case WUFFS_BASE__PIXEL_FORMAT__RGBA_PREMUL: |
| case WUFFS_BASE__PIXEL_FORMAT__RGBX: |
| wuffs_base__poke_u32le__no_bounds_check( |
| row + (4 * ((size_t)x)), wuffs_base__swap_u32_argb_abgr(color)); |
| break; |
| |
| default: |
| // TODO: support more formats. |
| return wuffs_base__make_status(wuffs_base__error__unsupported_option); |
| } |
| |
| return wuffs_base__make_status(NULL); |
| } |
| |
| // -------- |
| |
| static inline void // |
| wuffs_base__pixel_buffer__set_color_u32_fill_rect__xx( |
| wuffs_base__pixel_buffer* pb, |
| wuffs_base__rect_ie_u32 rect, |
| uint16_t color) { |
| size_t stride = pb->private_impl.planes[0].stride; |
| uint32_t width = wuffs_base__rect_ie_u32__width(&rect); |
| if ((stride == (2 * ((uint64_t)width))) && (rect.min_incl_x == 0)) { |
| uint8_t* ptr = |
| pb->private_impl.planes[0].ptr + (stride * ((size_t)rect.min_incl_y)); |
| uint32_t height = wuffs_base__rect_ie_u32__height(&rect); |
| size_t n; |
| for (n = ((size_t)width) * ((size_t)height); n > 0; n--) { |
| wuffs_base__poke_u16le__no_bounds_check(ptr, color); |
| ptr += 2; |
| } |
| return; |
| } |
| |
| uint32_t y; |
| for (y = rect.min_incl_y; y < rect.max_excl_y; y++) { |
| uint8_t* ptr = pb->private_impl.planes[0].ptr + (stride * ((size_t)y)) + |
| (2 * ((size_t)rect.min_incl_x)); |
| uint32_t n; |
| for (n = width; n > 0; n--) { |
| wuffs_base__poke_u16le__no_bounds_check(ptr, color); |
| ptr += 2; |
| } |
| } |
| } |
| |
| static inline void // |
| wuffs_base__pixel_buffer__set_color_u32_fill_rect__xxx( |
| wuffs_base__pixel_buffer* pb, |
| wuffs_base__rect_ie_u32 rect, |
| uint32_t color) { |
| size_t stride = pb->private_impl.planes[0].stride; |
| uint32_t width = wuffs_base__rect_ie_u32__width(&rect); |
| if ((stride == (3 * ((uint64_t)width))) && (rect.min_incl_x == 0)) { |
| uint8_t* ptr = |
| pb->private_impl.planes[0].ptr + (stride * ((size_t)rect.min_incl_y)); |
| uint32_t height = wuffs_base__rect_ie_u32__height(&rect); |
| size_t n; |
| for (n = ((size_t)width) * ((size_t)height); n > 0; n--) { |
| wuffs_base__poke_u24le__no_bounds_check(ptr, color); |
| ptr += 3; |
| } |
| return; |
| } |
| |
| uint32_t y; |
| for (y = rect.min_incl_y; y < rect.max_excl_y; y++) { |
| uint8_t* ptr = pb->private_impl.planes[0].ptr + (stride * ((size_t)y)) + |
| (3 * ((size_t)rect.min_incl_x)); |
| uint32_t n; |
| for (n = width; n > 0; n--) { |
| wuffs_base__poke_u24le__no_bounds_check(ptr, color); |
| ptr += 3; |
| } |
| } |
| } |
| |
| static inline void // |
| wuffs_base__pixel_buffer__set_color_u32_fill_rect__xxxx( |
| wuffs_base__pixel_buffer* pb, |
| wuffs_base__rect_ie_u32 rect, |
| uint32_t color) { |
| size_t stride = pb->private_impl.planes[0].stride; |
| uint32_t width = wuffs_base__rect_ie_u32__width(&rect); |
| if ((stride == (4 * ((uint64_t)width))) && (rect.min_incl_x == 0)) { |
| uint8_t* ptr = |
| pb->private_impl.planes[0].ptr + (stride * ((size_t)rect.min_incl_y)); |
| uint32_t height = wuffs_base__rect_ie_u32__height(&rect); |
| size_t n; |
| for (n = ((size_t)width) * ((size_t)height); n > 0; n--) { |
| wuffs_base__poke_u32le__no_bounds_check(ptr, color); |
| ptr += 4; |
| } |
| return; |
| } |
| |
| uint32_t y; |
| for (y = rect.min_incl_y; y < rect.max_excl_y; y++) { |
| uint8_t* ptr = pb->private_impl.planes[0].ptr + (stride * ((size_t)y)) + |
| (4 * ((size_t)rect.min_incl_x)); |
| uint32_t n; |
| for (n = width; n > 0; n--) { |
| wuffs_base__poke_u32le__no_bounds_check(ptr, color); |
| ptr += 4; |
| } |
| } |
| } |
| |
| static inline void // |
| wuffs_base__pixel_buffer__set_color_u32_fill_rect__xxxxxxxx( |
| wuffs_base__pixel_buffer* pb, |
| wuffs_base__rect_ie_u32 rect, |
| uint64_t color) { |
| size_t stride = pb->private_impl.planes[0].stride; |
| uint32_t width = wuffs_base__rect_ie_u32__width(&rect); |
| if ((stride == (8 * ((uint64_t)width))) && (rect.min_incl_x == 0)) { |
| uint8_t* ptr = |
| pb->private_impl.planes[0].ptr + (stride * ((size_t)rect.min_incl_y)); |
| uint32_t height = wuffs_base__rect_ie_u32__height(&rect); |
| size_t n; |
| for (n = ((size_t)width) * ((size_t)height); n > 0; n--) { |
| wuffs_base__poke_u64le__no_bounds_check(ptr, color); |
| ptr += 8; |
| } |
| return; |
| } |
| |
| uint32_t y; |
| for (y = rect.min_incl_y; y < rect.max_excl_y; y++) { |
| uint8_t* ptr = pb->private_impl.planes[0].ptr + (stride * ((size_t)y)) + |
| (8 * ((size_t)rect.min_incl_x)); |
| uint32_t n; |
| for (n = width; n > 0; n--) { |
| wuffs_base__poke_u64le__no_bounds_check(ptr, color); |
| ptr += 8; |
| } |
| } |
| } |
| |
| WUFFS_BASE__MAYBE_STATIC wuffs_base__status // |
| wuffs_base__pixel_buffer__set_color_u32_fill_rect( |
| wuffs_base__pixel_buffer* pb, |
| wuffs_base__rect_ie_u32 rect, |
| wuffs_base__color_u32_argb_premul color) { |
| if (!pb) { |
| return wuffs_base__make_status(wuffs_base__error__bad_receiver); |
| } else if (wuffs_base__rect_ie_u32__is_empty(&rect)) { |
| return wuffs_base__make_status(NULL); |
| } |
| wuffs_base__rect_ie_u32 bounds = |
| wuffs_base__pixel_config__bounds(&pb->pixcfg); |
| if (!wuffs_base__rect_ie_u32__contains_rect(&bounds, rect)) { |
| return wuffs_base__make_status(wuffs_base__error__bad_argument); |
| } |
| |
| if (wuffs_base__pixel_format__is_planar(&pb->pixcfg.private_impl.pixfmt)) { |
| // TODO: support planar formats. |
| return wuffs_base__make_status(wuffs_base__error__unsupported_option); |
| } |
| |
| switch (pb->pixcfg.private_impl.pixfmt.repr) { |
| case WUFFS_BASE__PIXEL_FORMAT__BGRA_PREMUL: |
| case WUFFS_BASE__PIXEL_FORMAT__BGRX: |
| wuffs_base__pixel_buffer__set_color_u32_fill_rect__xxxx(pb, rect, color); |
| return wuffs_base__make_status(NULL); |
| |
| // Common formats above. Rarer formats below. |
| |
| case WUFFS_BASE__PIXEL_FORMAT__BGR_565: |
| wuffs_base__pixel_buffer__set_color_u32_fill_rect__xx( |
| pb, rect, |
| wuffs_base__color_u32_argb_premul__as__color_u16_rgb_565(color)); |
| return wuffs_base__make_status(NULL); |
| |
| case WUFFS_BASE__PIXEL_FORMAT__BGR: |
| wuffs_base__pixel_buffer__set_color_u32_fill_rect__xxx(pb, rect, color); |
| return wuffs_base__make_status(NULL); |
| |
| case WUFFS_BASE__PIXEL_FORMAT__BGRA_NONPREMUL: |
| wuffs_base__pixel_buffer__set_color_u32_fill_rect__xxxx( |
| pb, rect, |
| wuffs_base__color_u32_argb_premul__as__color_u32_argb_nonpremul( |
| color)); |
| return wuffs_base__make_status(NULL); |
| |
| case WUFFS_BASE__PIXEL_FORMAT__BGRA_NONPREMUL_4X16LE: |
| wuffs_base__pixel_buffer__set_color_u32_fill_rect__xxxxxxxx( |
| pb, rect, |
| wuffs_base__color_u32_argb_premul__as__color_u64_argb_nonpremul( |
| color)); |
| return wuffs_base__make_status(NULL); |
| |
| case WUFFS_BASE__PIXEL_FORMAT__RGBA_NONPREMUL: |
| wuffs_base__pixel_buffer__set_color_u32_fill_rect__xxxx( |
| pb, rect, |
| wuffs_base__color_u32_argb_premul__as__color_u32_argb_nonpremul( |
| wuffs_base__swap_u32_argb_abgr(color))); |
| return wuffs_base__make_status(NULL); |
| |
| case WUFFS_BASE__PIXEL_FORMAT__RGBA_PREMUL: |
| case WUFFS_BASE__PIXEL_FORMAT__RGBX: |
| wuffs_base__pixel_buffer__set_color_u32_fill_rect__xxxx( |
| pb, rect, wuffs_base__swap_u32_argb_abgr(color)); |
| return wuffs_base__make_status(NULL); |
| } |
| |
| uint32_t y; |
| for (y = rect.min_incl_y; y < rect.max_excl_y; y++) { |
| uint32_t x; |
| for (x = rect.min_incl_x; x < rect.max_excl_x; x++) { |
| wuffs_base__pixel_buffer__set_color_u32_at(pb, x, y, color); |
| } |
| } |
| return wuffs_base__make_status(NULL); |
| } |
| |
| // -------- |
| |
| WUFFS_BASE__MAYBE_STATIC uint8_t // |
| wuffs_base__pixel_palette__closest_element( |
| wuffs_base__slice_u8 palette_slice, |
| wuffs_base__pixel_format palette_format, |
| wuffs_base__color_u32_argb_premul c) { |
| size_t n = palette_slice.len / 4; |
| if (n > 256) { |
| n = 256; |
| } |
| size_t best_index = 0; |
| uint64_t best_score = 0xFFFFFFFFFFFFFFFF; |
| |
| // Work in 16-bit color. |
| uint32_t ca = 0x101 * (0xFF & (c >> 24)); |
| uint32_t cr = 0x101 * (0xFF & (c >> 16)); |
| uint32_t cg = 0x101 * (0xFF & (c >> 8)); |
| uint32_t cb = 0x101 * (0xFF & (c >> 0)); |
| |
| switch (palette_format.repr) { |
| case WUFFS_BASE__PIXEL_FORMAT__INDEXED__BGRA_NONPREMUL: |
| case WUFFS_BASE__PIXEL_FORMAT__INDEXED__BGRA_PREMUL: |
| case WUFFS_BASE__PIXEL_FORMAT__INDEXED__BGRA_BINARY: { |
| bool nonpremul = palette_format.repr == |
| WUFFS_BASE__PIXEL_FORMAT__INDEXED__BGRA_NONPREMUL; |
| |
| size_t i; |
| for (i = 0; i < n; i++) { |
| // Work in 16-bit color. |
| uint32_t pb = 0x101 * ((uint32_t)(palette_slice.ptr[(4 * i) + 0])); |
| uint32_t pg = 0x101 * ((uint32_t)(palette_slice.ptr[(4 * i) + 1])); |
| uint32_t pr = 0x101 * ((uint32_t)(palette_slice.ptr[(4 * i) + 2])); |
| uint32_t pa = 0x101 * ((uint32_t)(palette_slice.ptr[(4 * i) + 3])); |
| |
| // Convert to premultiplied alpha. |
| if (nonpremul && (pa != 0xFFFF)) { |
| pb = (pb * pa) / 0xFFFF; |
| pg = (pg * pa) / 0xFFFF; |
| pr = (pr * pa) / 0xFFFF; |
| } |
| |
| // These deltas are conceptually int32_t (signed) but after squaring, |
| // it's equivalent to work in uint32_t (unsigned). |
| pb -= cb; |
| pg -= cg; |
| pr -= cr; |
| pa -= ca; |
| uint64_t score = ((uint64_t)(pb * pb)) + ((uint64_t)(pg * pg)) + |
| ((uint64_t)(pr * pr)) + ((uint64_t)(pa * pa)); |
| if (best_score > score) { |
| best_score = score; |
| best_index = i; |
| } |
| } |
| break; |
| } |
| } |
| |
| return (uint8_t)best_index; |
| } |
| |
| // -------- |
| |
| static inline uint32_t // |
| wuffs_base__composite_nonpremul_nonpremul_u32_axxx(uint32_t dst_nonpremul, |
| uint32_t src_nonpremul) { |
| // Extract 16-bit color components. |
| uint32_t sa = 0x101 * (0xFF & (src_nonpremul >> 24)); |
| uint32_t sr = 0x101 * (0xFF & (src_nonpremul >> 16)); |
| uint32_t sg = 0x101 * (0xFF & (src_nonpremul >> 8)); |
| uint32_t sb = 0x101 * (0xFF & (src_nonpremul >> 0)); |
| uint32_t da = 0x101 * (0xFF & (dst_nonpremul >> 24)); |
| uint32_t dr = 0x101 * (0xFF & (dst_nonpremul >> 16)); |
| uint32_t dg = 0x101 * (0xFF & (dst_nonpremul >> 8)); |
| uint32_t db = 0x101 * (0xFF & (dst_nonpremul >> 0)); |
| |
| // Convert dst from nonpremul to premul. |
| dr = (dr * da) / 0xFFFF; |
| dg = (dg * da) / 0xFFFF; |
| db = (db * da) / 0xFFFF; |
| |
| // Calculate the inverse of the src-alpha: how much of the dst to keep. |
| uint32_t ia = 0xFFFF - sa; |
| |
| // Composite src (nonpremul) over dst (premul). |
| da = sa + ((da * ia) / 0xFFFF); |
| dr = ((sr * sa) + (dr * ia)) / 0xFFFF; |
| dg = ((sg * sa) + (dg * ia)) / 0xFFFF; |
| db = ((sb * sa) + (db * ia)) / 0xFFFF; |
| |
| // Convert dst from premul to nonpremul. |
| if (da != 0) { |
| dr = (dr * 0xFFFF) / da; |
| dg = (dg * 0xFFFF) / da; |
| db = (db * 0xFFFF) / da; |
| } |
| |
| // Convert from 16-bit color to 8-bit color. |
| da >>= 8; |
| dr >>= 8; |
| dg >>= 8; |
| db >>= 8; |
| |
| // Combine components. |
| return (db << 0) | (dg << 8) | (dr << 16) | (da << 24); |
| } |
| |
| static inline uint64_t // |
| wuffs_base__composite_nonpremul_nonpremul_u64_axxx(uint64_t dst_nonpremul, |
| uint64_t src_nonpremul) { |
| // Extract components. |
| uint64_t sa = 0xFFFF & (src_nonpremul >> 48); |
| uint64_t sr = 0xFFFF & (src_nonpremul >> 32); |
| uint64_t sg = 0xFFFF & (src_nonpremul >> 16); |
| uint64_t sb = 0xFFFF & (src_nonpremul >> 0); |
| uint64_t da = 0xFFFF & (dst_nonpremul >> 48); |
| uint64_t dr = 0xFFFF & (dst_nonpremul >> 32); |
| uint64_t dg = 0xFFFF & (dst_nonpremul >> 16); |
| uint64_t db = 0xFFFF & (dst_nonpremul >> 0); |
| |
| // Convert dst from nonpremul to premul. |
| dr = (dr * da) / 0xFFFF; |
| dg = (dg * da) / 0xFFFF; |
| db = (db * da) / 0xFFFF; |
| |
| // Calculate the inverse of the src-alpha: how much of the dst to keep. |
| uint64_t ia = 0xFFFF - sa; |
| |
| // Composite src (nonpremul) over dst (premul). |
| da = sa + ((da * ia) / 0xFFFF); |
| dr = ((sr * sa) + (dr * ia)) / 0xFFFF; |
| dg = ((sg * sa) + (dg * ia)) / 0xFFFF; |
| db = ((sb * sa) + (db * ia)) / 0xFFFF; |
| |
| // Convert dst from premul to nonpremul. |
| if (da != 0) { |
| dr = (dr * 0xFFFF) / da; |
| dg = (dg * 0xFFFF) / da; |
| db = (db * 0xFFFF) / da; |
| } |
| |
| // Combine components. |
| return (db << 0) | (dg << 16) | (dr << 32) | (da << 48); |
| } |
| |
| static inline uint32_t // |
| wuffs_base__composite_nonpremul_premul_u32_axxx(uint32_t dst_nonpremul, |
| uint32_t src_premul) { |
| // Extract 16-bit color components. |
| uint32_t sa = 0x101 * (0xFF & (src_premul >> 24)); |
| uint32_t sr = 0x101 * (0xFF & (src_premul >> 16)); |
| uint32_t sg = 0x101 * (0xFF & (src_premul >> 8)); |
| uint32_t sb = 0x101 * (0xFF & (src_premul >> 0)); |
| uint32_t da = 0x101 * (0xFF & (dst_nonpremul >> 24)); |
| uint32_t dr = 0x101 * (0xFF & (dst_nonpremul >> 16)); |
| uint32_t dg = 0x101 * (0xFF & (dst_nonpremul >> 8)); |
| uint32_t db = 0x101 * (0xFF & (dst_nonpremul >> 0)); |
| |
| // Convert dst from nonpremul to premul. |
| dr = (dr * da) / 0xFFFF; |
| dg = (dg * da) / 0xFFFF; |
| db = (db * da) / 0xFFFF; |
| |
| // Calculate the inverse of the src-alpha: how much of the dst to keep. |
| uint32_t ia = 0xFFFF - sa; |
| |
| // Composite src (premul) over dst (premul). |
| da = sa + ((da * ia) / 0xFFFF); |
| dr = sr + ((dr * ia) / 0xFFFF); |
| dg = sg + ((dg * ia) / 0xFFFF); |
| db = sb + ((db * ia) / 0xFFFF); |
| |
| // Convert dst from premul to nonpremul. |
| if (da != 0) { |
| dr = (dr * 0xFFFF) / da; |
| dg = (dg * 0xFFFF) / da; |
| db = (db * 0xFFFF) / da; |
| } |
| |
| // Convert from 16-bit color to 8-bit color. |
| da >>= 8; |
| dr >>= 8; |
| dg >>= 8; |
| db >>= 8; |
| |
| // Combine components. |
| return (db << 0) | (dg << 8) | (dr << 16) | (da << 24); |
| } |
| |
| static inline uint64_t // |
| wuffs_base__composite_nonpremul_premul_u64_axxx(uint64_t dst_nonpremul, |
| uint64_t src_premul) { |
| // Extract components. |
| uint64_t sa = 0xFFFF & (src_premul >> 48); |
| uint64_t sr = 0xFFFF & (src_premul >> 32); |
| uint64_t sg = 0xFFFF & (src_premul >> 16); |
| uint64_t sb = 0xFFFF & (src_premul >> 0); |
| uint64_t da = 0xFFFF & (dst_nonpremul >> 48); |
| uint64_t dr = 0xFFFF & (dst_nonpremul >> 32); |
| uint64_t dg = 0xFFFF & (dst_nonpremul >> 16); |
| uint64_t db = 0xFFFF & (dst_nonpremul >> 0); |
| |
| // Convert dst from nonpremul to premul. |
| dr = (dr * da) / 0xFFFF; |
| dg = (dg * da) / 0xFFFF; |
| db = (db * da) / 0xFFFF; |
| |
| // Calculate the inverse of the src-alpha: how much of the dst to keep. |
| uint64_t ia = 0xFFFF - sa; |
| |
| // Composite src (premul) over dst (premul). |
| da = sa + ((da * ia) / 0xFFFF); |
| dr = sr + ((dr * ia) / 0xFFFF); |
| dg = sg + ((dg * ia) / 0xFFFF); |
| db = sb + ((db * ia) / 0xFFFF); |
| |
| // Convert dst from premul to nonpremul. |
| if (da != 0) { |
| dr = (dr * 0xFFFF) / da; |
| dg = (dg * 0xFFFF) / da; |
| db = (db * 0xFFFF) / da; |
| } |
| |
| // Combine components. |
| return (db << 0) | (dg << 16) | (dr << 32) | (da << 48); |
| } |
| |
| static inline uint32_t // |
| wuffs_base__composite_premul_nonpremul_u32_axxx(uint32_t dst_premul, |
| uint32_t src_nonpremul) { |
| // Extract 16-bit color components. |
| uint32_t sa = 0x101 * (0xFF & (src_nonpremul >> 24)); |
| uint32_t sr = 0x101 * (0xFF & (src_nonpremul >> 16)); |
| uint32_t sg = 0x101 * (0xFF & (src_nonpremul >> 8)); |
| uint32_t sb = 0x101 * (0xFF & (src_nonpremul >> 0)); |
| uint32_t da = 0x101 * (0xFF & (dst_premul >> 24)); |
| uint32_t dr = 0x101 * (0xFF & (dst_premul >> 16)); |
| uint32_t dg = 0x101 * (0xFF & (dst_premul >> 8)); |
| uint32_t db = 0x101 * (0xFF & (dst_premul >> 0)); |
| |
| // Calculate the inverse of the src-alpha: how much of the dst to keep. |
| uint32_t ia = 0xFFFF - sa; |
| |
| // Composite src (nonpremul) over dst (premul). |
| da = sa + ((da * ia) / 0xFFFF); |
| dr = ((sr * sa) + (dr * ia)) / 0xFFFF; |
| dg = ((sg * sa) + (dg * ia)) / 0xFFFF; |
| db = ((sb * sa) + (db * ia)) / 0xFFFF; |
| |
| // Convert from 16-bit color to 8-bit color. |
| da >>= 8; |
| dr >>= 8; |
| dg >>= 8; |
| db >>= 8; |
| |
| // Combine components. |
| return (db << 0) | (dg << 8) | (dr << 16) | (da << 24); |
| } |
| |
| static inline uint64_t // |
| wuffs_base__composite_premul_nonpremul_u64_axxx(uint64_t dst_premul, |
| uint64_t src_nonpremul) { |
| // Extract components. |
| uint64_t sa = 0xFFFF & (src_nonpremul >> 48); |
| uint64_t sr = 0xFFFF & (src_nonpremul >> 32); |
| uint64_t sg = 0xFFFF & (src_nonpremul >> 16); |
| uint64_t sb = 0xFFFF & (src_nonpremul >> 0); |
| uint64_t da = 0xFFFF & (dst_premul >> 48); |
| uint64_t dr = 0xFFFF & (dst_premul >> 32); |
| uint64_t dg = 0xFFFF & (dst_premul >> 16); |
| uint64_t db = 0xFFFF & (dst_premul >> 0); |
| |
| // Calculate the inverse of the src-alpha: how much of the dst to keep. |
| uint64_t ia = 0xFFFF - sa; |
| |
| // Composite src (nonpremul) over dst (premul). |
| da = sa + ((da * ia) / 0xFFFF); |
| dr = ((sr * sa) + (dr * ia)) / 0xFFFF; |
| dg = ((sg * sa) + (dg * ia)) / 0xFFFF; |
| db = ((sb * sa) + (db * ia)) / 0xFFFF; |
| |
| // Combine components. |
| return (db << 0) | (dg << 16) | (dr << 32) | (da << 48); |
| } |
| |
| static inline uint32_t // |
| wuffs_base__composite_premul_premul_u32_axxx(uint32_t dst_premul, |
| uint32_t src_premul) { |
| // Extract 16-bit color components. |
| uint32_t sa = 0x101 * (0xFF & (src_premul >> 24)); |
| uint32_t sr = 0x101 * (0xFF & (src_premul >> 16)); |
| uint32_t sg = 0x101 * (0xFF & (src_premul >> 8)); |
| uint32_t sb = 0x101 * (0xFF & (src_premul >> 0)); |
| uint32_t da = 0x101 * (0xFF & (dst_premul >> 24)); |
| uint32_t dr = 0x101 * (0xFF & (dst_premul >> 16)); |
| uint32_t dg = 0x101 * (0xFF & (dst_premul >> 8)); |
| uint32_t db = 0x101 * (0xFF & (dst_premul >> 0)); |
| |
| // Calculate the inverse of the src-alpha: how much of the dst to keep. |
| uint32_t ia = 0xFFFF - sa; |
| |
| // Composite src (premul) over dst (premul). |
| da = sa + ((da * ia) / 0xFFFF); |
| dr = sr + ((dr * ia) / 0xFFFF); |
| dg = sg + ((dg * ia) / 0xFFFF); |
| db = sb + ((db * ia) / 0xFFFF); |
| |
| // Convert from 16-bit color to 8-bit color. |
| da >>= 8; |
| dr >>= 8; |
| dg >>= 8; |
| db >>= 8; |
| |
| // Combine components. |
| return (db << 0) | (dg << 8) | (dr << 16) | (da << 24); |
| } |
| |
| // -------- |
| |
| static uint64_t // |
| wuffs_base__pixel_swizzler__squash_align4_bgr_565_8888(uint8_t* dst_ptr, |
| size_t dst_len, |
| const uint8_t* src_ptr, |
| size_t src_len, |
| bool nonpremul) { |
| size_t len = (dst_len < src_len ? dst_len : src_len) / 4; |
| uint8_t* d = dst_ptr; |
| const uint8_t* s = src_ptr; |
| |
| size_t n = len; |
| while (n--) { |
| uint32_t argb = wuffs_base__peek_u32le__no_bounds_check(s); |
| if (nonpremul) { |
| argb = |
| wuffs_base__color_u32_argb_nonpremul__as__color_u32_argb_premul(argb); |
| } |
| uint32_t b5 = 0x1F & (argb >> (8 - 5)); |
| uint32_t g6 = 0x3F & (argb >> (16 - 6)); |
| uint32_t r5 = 0x1F & (argb >> (24 - 5)); |
| uint32_t alpha = argb & 0xFF000000; |
| wuffs_base__poke_u32le__no_bounds_check( |
| d, alpha | (r5 << 11) | (g6 << 5) | (b5 << 0)); |
| s += 4; |
| d += 4; |
| } |
| return len; |
| } |
| |
| // -------- |
| |
| static uint64_t // |
| wuffs_base__pixel_swizzler__swap_rgb_bgr(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 len = (dst_len < src_len ? dst_len : src_len) / 3; |
| uint8_t* d = dst_ptr; |
| const uint8_t* s = src_ptr; |
| |
| size_t n = len; |
| while (n--) { |
| uint8_t s0 = s[0]; |
| uint8_t s1 = s[1]; |
| uint8_t s2 = s[2]; |
| d[0] = s2; |
| d[1] = s1; |
| d[2] = s0; |
| s += 3; |
| d += 3; |
| } |
| return len; |
| } |
| |
| #if defined(WUFFS_BASE__CPU_ARCH__X86_64) |
| WUFFS_BASE__MAYBE_ATTRIBUTE_TARGET("sse4.2") |
| static uint64_t // |
| wuffs_base__pixel_swizzler__swap_rgbx_bgrx__sse42(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 len = (dst_len < src_len ? dst_len : src_len) / 4; |
| uint8_t* d = dst_ptr; |
| const uint8_t* s = src_ptr; |
| size_t n = len; |
| |
| __m128i shuffle = _mm_set_epi8(+0x0F, +0x0C, +0x0D, +0x0E, // |
| +0x0B, +0x08, +0x09, +0x0A, // |
| +0x07, +0x04, +0x05, +0x06, // |
| +0x03, +0x00, +0x01, +0x02); |
| |
| while (n >= 4) { |
| __m128i x; |
| x = _mm_lddqu_si128((const __m128i*)(const void*)s); |
| x = _mm_shuffle_epi8(x, shuffle); |
| _mm_storeu_si128((__m128i*)(void*)d, x); |
| |
| s += 4 * 4; |
| d += 4 * 4; |
| n -= 4; |
| } |
| |
| while (n--) { |
| uint8_t s0 = s[0]; |
| uint8_t s1 = s[1]; |
| uint8_t s2 = s[2]; |
| uint8_t s3 = s[3]; |
| d[0] = s2; |
| d[1] = s1; |
| d[2] = s0; |
| d[3] = s3; |
| s += 4; |
| d += 4; |
| } |
| return len; |
| } |
| #endif // defined(WUFFS_BASE__CPU_ARCH__X86_64) |
| |
| static uint64_t // |
| wuffs_base__pixel_swizzler__swap_rgbx_bgrx(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 len = (dst_len < src_len ? dst_len : src_len) / 4; |
| uint8_t* d = dst_ptr; |
| const uint8_t* s = src_ptr; |
| |
| size_t n = len; |
| while (n--) { |
| uint8_t s0 = s[0]; |
| uint8_t s1 = s[1]; |
| uint8_t s2 = s[2]; |
| uint8_t s3 = s[3]; |
| d[0] = s2; |
| d[1] = s1; |
| d[2] = s0; |
| d[3] = s3; |
| s += 4; |
| d += 4; |
| } |
| 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, |
| size_t dst_palette_len, |
| const uint8_t* src_ptr, |
| size_t src_len) { |
| size_t len = (dst_len < src_len) ? dst_len : src_len; |
| if (len > 0) { |
| memmove(dst_ptr, src_ptr, len); |
| } |
| return len; |
| } |
| |
| static uint64_t // |
| wuffs_base__pixel_swizzler__copy_3_3(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_len3 = dst_len / 3; |
| size_t src_len3 = src_len / 3; |
| size_t len = (dst_len3 < src_len3) ? dst_len3 : src_len3; |
| if (len > 0) { |
| memmove(dst_ptr, src_ptr, len * 3); |
| } |
| return len; |
| } |
| |
| static uint64_t // |
| wuffs_base__pixel_swizzler__copy_4_4(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; |
| if (len > 0) { |
| memmove(dst_ptr, src_ptr, len * 4); |
| } |
| return len; |
| } |
| |
| static uint64_t // |
| wuffs_base__pixel_swizzler__copy_8_8(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_len8 = dst_len / 8; |
| size_t src_len8 = src_len / 8; |
| size_t len = (dst_len8 < src_len8) ? dst_len8 : src_len8; |
| if (len > 0) { |
| memmove(dst_ptr, src_ptr, len * 8); |
| } |
| return len; |
| } |
| |
| // -------- |
| |
| static uint64_t // |
| wuffs_base__pixel_swizzler__bgr_565__bgr(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_len2 = dst_len / 2; |
| size_t src_len3 = src_len / 3; |
| size_t len = (dst_len2 < src_len3) ? dst_len2 : src_len3; |
| uint8_t* d = dst_ptr; |
| const uint8_t* s = src_ptr; |
| size_t n = len; |
| |
| // TODO: unroll. |
| |
| while (n >= 1) { |
| uint32_t b5 = s[0] >> 3; |
| uint32_t g6 = s[1] >> 2; |
| uint32_t r5 = s[2] >> 3; |
| uint32_t rgb_565 = (r5 << 11) | (g6 << 5) | (b5 << 0); |
| wuffs_base__poke_u16le__no_bounds_check(d + (0 * 2), (uint16_t)rgb_565); |
| |
| s += 1 * 3; |
| d += 1 * 2; |
| n -= 1; |
| } |
| |
| return len; |
| } |
| |
| static uint64_t // |
| wuffs_base__pixel_swizzler__bgr_565__bgrx(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_len2 = dst_len / 2; |
| size_t src_len4 = src_len / 4; |
| size_t len = (dst_len2 < src_len4) ? dst_len2 : src_len4; |
| uint8_t* d = dst_ptr; |
| const uint8_t* s = src_ptr; |
| size_t n = len; |
| |
| // TODO: unroll. |
| |
| while (n >= 1) { |
| uint32_t b5 = s[0] >> 3; |
| uint32_t g6 = s[1] >> 2; |
| uint32_t r5 = s[2] >> 3; |
| uint32_t rgb_565 = (r5 << 11) | (g6 << 5) | (b5 << 0); |
| wuffs_base__poke_u16le__no_bounds_check(d + (0 * 2), (uint16_t)rgb_565); |
| |
| s += 1 * 4; |
| d += 1 * 2; |
| n -= 1; |
| } |
| |
| return len; |
| } |
| |
| static uint64_t // |
| wuffs_base__pixel_swizzler__bgr_565__bgra_nonpremul__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_len2 = dst_len / 2; |
| size_t src_len4 = src_len / 4; |
| size_t len = (dst_len2 < src_len4) ? dst_len2 : src_len4; |
| uint8_t* d = dst_ptr; |
| const uint8_t* s = src_ptr; |
| size_t n = len; |
| |
| // TODO: unroll. |
| |
| while (n >= 1) { |
| wuffs_base__poke_u16le__no_bounds_check( |
| d + (0 * 2), |
| wuffs_base__color_u32_argb_premul__as__color_u16_rgb_565( |
| wuffs_base__color_u32_argb_nonpremul__as__color_u32_argb_premul( |
| wuffs_base__peek_u32le__no_bounds_check(s + (0 * 4))))); |
| |
| s += 1 * 4; |
| d += 1 * 2; |
| n -= 1; |
| } |
| |
| return len; |
| } |
| |
| static uint64_t // |
| wuffs_base__pixel_swizzler__bgr_565__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_len2 = dst_len / 2; |
| size_t src_len8 = src_len / 8; |
| size_t len = (dst_len2 < src_len8) ? dst_len2 : src_len8; |
| uint8_t* d = dst_ptr; |
| const uint8_t* s = src_ptr; |
| size_t n = len; |
| |
| // TODO: unroll. |
| |
| while (n >= 1) { |
| wuffs_base__poke_u16le__no_bounds_check( |
| d + (0 * 2), |
| wuffs_base__color_u32_argb_premul__as__color_u16_rgb_565( |
| wuffs_base__color_u64_argb_nonpremul__as__color_u32_argb_premul( |
| wuffs_base__peek_u64le__no_bounds_check(s + (0 * 8))))); |
| |
| s += 1 * 8; |
| d += 1 * 2; |
| n -= 1; |
| } |
| |
| return len; |
| } |
| |
| static uint64_t // |
| wuffs_base__pixel_swizzler__bgr_565__bgra_nonpremul__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_len2 = dst_len / 2; |
| size_t src_len4 = src_len / 4; |
| size_t len = (dst_len2 < src_len4) ? dst_len2 : src_len4; |
| uint8_t* d = dst_ptr; |
| const uint8_t* s = src_ptr; |
| size_t n = len; |
| |
| // TODO: unroll. |
| |
| while (n >= 1) { |
| // Extract 16-bit color components. |
| uint32_t sa = 0x101 * ((uint32_t)s[3]); |
| uint32_t sr = 0x101 * ((uint32_t)s[2]); |
| uint32_t sg = 0x101 * ((uint32_t)s[1]); |
| uint32_t sb = 0x101 * ((uint32_t)s[0]); |
| |
| // Convert from 565 color to 16-bit color. |
| uint32_t old_rgb_565 = wuffs_base__peek_u16le__no_bounds_check(d + (0 * 2)); |
| uint32_t old_r5 = 0x1F & (old_rgb_565 >> 11); |
| uint32_t dr = (0x8421 * old_r5) >> 4; |
| uint32_t old_g6 = 0x3F & (old_rgb_565 >> 5); |
| uint32_t dg = (0x1041 * old_g6) >> 2; |
| uint32_t old_b5 = 0x1F & (old_rgb_565 >> 0); |
| uint32_t db = (0x8421 * old_b5) >> 4; |
| |
| // Calculate the inverse of the src-alpha: how much of the dst to keep. |
| uint32_t ia = 0xFFFF - sa; |
| |
| // Composite src (nonpremul) over dst (premul). |
| dr = ((sr * sa) + (dr * ia)) / 0xFFFF; |
| dg = ((sg * sa) + (dg * ia)) / 0xFFFF; |
| db = ((sb * sa) + (db * ia)) / 0xFFFF; |
| |
| // Convert from 16-bit color to 565 color and combine the components. |
| uint32_t new_r5 = 0x1F & (dr >> 11); |
| uint32_t new_g6 = 0x3F & (dg >> 10); |
| uint32_t new_b5 = 0x1F & (db >> 11); |
| uint32_t new_rgb_565 = (new_r5 << 11) | (new_g6 << 5) | (new_b5 << 0); |
| wuffs_base__poke_u16le__no_bounds_check(d + (0 * 2), (uint16_t)new_rgb_565); |
| |
| s += 1 * 4; |
| d += 1 * 2; |
| n -= 1; |
| } |
| |
| return len; |
| } |
| |
| static uint64_t // |
| wuffs_base__pixel_swizzler__bgr_565__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_len2 = dst_len / 2; |
| size_t src_len8 = src_len / 8; |
| size_t len = (dst_len2 < src_len8) ? dst_len2 : src_len8; |
| uint8_t* d = dst_ptr; |
| const uint8_t* s = src_ptr; |
| size_t n = len; |
| |
| // TODO: unroll. |
| |
| while (n >= 1) { |
| // Extract 16-bit color components. |
| uint32_t sa = ((uint32_t)wuffs_base__peek_u16le__no_bounds_check(s + 6)); |
| uint32_t sr = ((uint32_t)wuffs_base__peek_u16le__no_bounds_check(s + 4)); |
| uint32_t sg = ((uint32_t)wuffs_base__peek_u16le__no_bounds_check(s + 2)); |
| uint32_t sb = ((uint32_t)wuffs_base__peek_u16le__no_bounds_check(s + 0)); |
| |
| // Convert from 565 color to 16-bit color. |
| uint32_t old_rgb_565 = wuffs_base__peek_u16le__no_bounds_check(d + (0 * 2)); |
| uint32_t old_r5 = 0x1F & (old_rgb_565 >> 11); |
| uint32_t dr = (0x8421 * old_r5) >> 4; |
| uint32_t old_g6 = 0x3F & (old_rgb_565 >> 5); |
| uint32_t dg = (0x1041 * old_g6) >> 2; |
| uint32_t old_b5 = 0x1F & (old_rgb_565 >> 0); |
| uint32_t db = (0x8421 * old_b5) >> 4; |
| |
| // Calculate the inverse of the src-alpha: how much of the dst to keep. |
| uint32_t ia = 0xFFFF - sa; |
| |
| // Composite src (nonpremul) over dst (premul). |
| dr = ((sr * sa) + (dr * ia)) / 0xFFFF; |
| dg = ((sg * sa) + (dg * ia)) / 0xFFFF; |
| db = ((sb * sa) + (db * ia)) / 0xFFFF; |
| |
| // Convert from 16-bit color to 565 color and combine the components. |
| uint32_t new_r5 = 0x1F & (dr >> 11); |
| uint32_t new_g6 = 0x3F & (dg >> 10); |
| uint32_t new_b5 = 0x1F & (db >> 11); |
| uint32_t new_rgb_565 = (new_r5 << 11) | (new_g6 << 5) | (new_b5 << 0); |
| wuffs_base__poke_u16le__no_bounds_check(d + (0 * 2), (uint16_t)new_rgb_565); |
| |
| s += 1 * 8; |
| d += 1 * 2; |
| n -= 1; |
| } |
| |
| return len; |
| } |
| |
| static uint64_t // |
| wuffs_base__pixel_swizzler__bgr_565__bgra_premul__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_len2 = dst_len / 2; |
| size_t src_len4 = src_len / 4; |
| size_t len = (dst_len2 < src_len4) ? dst_len2 : src_len4; |
| uint8_t* d = dst_ptr; |
| const uint8_t* s = src_ptr; |
| size_t n = len; |
| |
| // TODO: unroll. |
| |
| while (n >= 1) { |
| wuffs_base__poke_u16le__no_bounds_check( |
| d + (0 * 2), wuffs_base__color_u32_argb_premul__as__color_u16_rgb_565( |
| wuffs_base__peek_u32le__no_bounds_check(s + (0 * 4)))); |
| |
| s += 1 * 4; |
| d += 1 * 2; |
| n -= 1; |
| } |
| |
| return len; |
| } |
| |
| static uint64_t // |
| wuffs_base__pixel_swizzler__bgr_565__bgra_premul__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_len2 = dst_len / 2; |
| size_t src_len4 = src_len / 4; |
| size_t len = (dst_len2 < src_len4) ? dst_len2 : src_len4; |
| uint8_t* d = dst_ptr; |
| const uint8_t* s = src_ptr; |
| size_t n = len; |
| |
| // TODO: unroll. |
| |
| while (n >= 1) { |
| // Extract 16-bit color components. |
| uint32_t sa = 0x101 * ((uint32_t)s[3]); |
| uint32_t sr = 0x101 * ((uint32_t)s[2]); |
| uint32_t sg = 0x101 * ((uint32_t)s[1]); |
| uint32_t sb = 0x101 * ((uint32_t)s[0]); |
| |
| // Convert from 565 color to 16-bit color. |
| uint32_t old_rgb_565 = wuffs_base__peek_u16le__no_bounds_check(d + (0 * 2)); |
| uint32_t old_r5 = 0x1F & (old_rgb_565 >> 11); |
| uint32_t dr = (0x8421 * old_r5) >> 4; |
| uint32_t old_g6 = 0x3F & (old_rgb_565 >> 5); |
| uint32_t dg = (0x1041 * old_g6) >> 2; |
| uint32_t old_b5 = 0x1F & (old_rgb_565 >> 0); |
| uint32_t db = (0x8421 * old_b5) >> 4; |
| |
| // Calculate the inverse of the src-alpha: how much of the dst to keep. |
| uint32_t ia = 0xFFFF - sa; |
| |
| // Composite src (premul) over dst (premul). |
| dr = sr + ((dr * ia) / 0xFFFF); |
| dg = sg + ((dg * ia) / 0xFFFF); |
| db = sb + ((db * ia) / 0xFFFF); |
| |
| // Convert from 16-bit color to 565 color and combine the components. |
| uint32_t new_r5 = 0x1F & (dr >> 11); |
| uint32_t new_g6 = 0x3F & (dg >> 10); |
| uint32_t new_b5 = 0x1F & (db >> 11); |
| uint32_t new_rgb_565 = (new_r5 << 11) | (new_g6 << 5) | (new_b5 << 0); |
| wuffs_base__poke_u16le__no_bounds_check(d + (0 * 2), (uint16_t)new_rgb_565); |
| |
| s += 1 * 4; |
| d += 1 * 2; |
| n -= 1; |
| } |
| |
| return len; |
| } |
| |
| static uint64_t // |
| wuffs_base__pixel_swizzler__bgr_565__rgb(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_len2 = dst_len / 2; |
| size_t src_len3 = src_len / 3; |
| size_t len = (dst_len2 < src_len3) ? dst_len2 : src_len3; |
| uint8_t* d = dst_ptr; |
| const uint8_t* s = src_ptr; |
| size_t n = len; |
| |
| // TODO: unroll. |
| |
| while (n >= 1) { |
| uint32_t r5 = s[0] >> 3; |
| uint32_t g6 = s[1] >> 2; |
| uint32_t b5 = s[2] >> 3; |
| uint32_t rgb_565 = (r5 << 11) | (g6 << 5) | (b5 << 0); |
| wuffs_base__poke_u16le__no_bounds_check(d + (0 * 2), (uint16_t)rgb_565); |
| |
| s += 1 * 3; |
| d += 1 * 2; |
| n -= 1; |
| } |
| |
| return len; |
| } |
| |
| static uint64_t // |
| wuffs_base__pixel_swizzler__bgr_565__rgba_nonpremul__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_len2 = dst_len / 2; |
| size_t src_len4 = src_len / 4; |
| size_t len = (dst_len2 < src_len4) ? dst_len2 : src_len4; |
| uint8_t* d = dst_ptr; |
| const uint8_t* s = src_ptr; |
| size_t n = len; |
| |
| // TODO: unroll. |
| |
| while (n >= 1) { |
| wuffs_base__poke_u16le__no_bounds_check( |
| d + (0 * 2), |
| wuffs_base__color_u32_argb_premul__as__color_u16_rgb_565( |
| wuffs_base__swap_u32_argb_abgr( |
| wuffs_base__color_u32_argb_nonpremul__as__color_u32_argb_premul( |
| wuffs_base__peek_u32le__no_bounds_check(s + (0 * 4)))))); |
| |
| s += 1 * 4; |
| d += 1 * 2; |
| n -= 1; |
| } |
| |
| return len; |
| } |
| |
| static uint64_t // |
| wuffs_base__pixel_swizzler__bgr_565__rgba_nonpremul__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_len2 = dst_len / 2; |
| size_t src_len4 = src_len / 4; |
| size_t len = (dst_len2 < src_len4) ? dst_len2 : src_len4; |
| uint8_t* d = dst_ptr; |
| const uint8_t* s = src_ptr; |
| size_t n = len; |
| |
| // TODO: unroll. |
| |
| while (n >= 1) { |
| // Extract 16-bit color components. |
| uint32_t sa = 0x101 * ((uint32_t)s[3]); |
| uint32_t sb = 0x101 * ((uint32_t)s[2]); |
| uint32_t sg = 0x101 * ((uint32_t)s[1]); |
| uint32_t sr = 0x101 * ((uint32_t)s[0]); |
| |
| // Convert from 565 color to 16-bit color. |
| uint32_t old_rgb_565 = wuffs_base__peek_u16le__no_bounds_check(d + (0 * 2)); |
| uint32_t old_r5 = 0x1F & (old_rgb_565 >> 11); |
| uint32_t dr = (0x8421 * old_r5) >> 4; |
| uint32_t old_g6 = 0x3F & (old_rgb_565 >> 5); |
| uint32_t dg = (0x1041 * old_g6) >> 2; |
| uint32_t old_b5 = 0x1F & (old_rgb_565 >> 0); |
| uint32_t db = (0x8421 * old_b5) >> 4; |
| |
| // Calculate the inverse of the src-alpha: how much of the dst to keep. |
| uint32_t ia = 0xFFFF - sa; |
| |
| // Composite src (nonpremul) over dst (premul). |
| dr = ((sr * sa) + (dr * ia)) / 0xFFFF; |
| dg = ((sg * sa) + (dg * ia)) / 0xFFFF; |
| db = ((sb * sa) + (db * ia)) / 0xFFFF; |
| |
| // Convert from 16-bit color to 565 color and combine the components. |
| uint32_t new_r5 = 0x1F & (dr >> 11); |
| uint32_t new_g6 = 0x3F & (dg >> 10); |
| uint32_t new_b5 = 0x1F & (db >> 11); |
| uint32_t new_rgb_565 = (new_r5 << 11) | (new_g6 << 5) | (new_b5 << 0); |
| wuffs_base__poke_u16le__no_bounds_check(d + (0 * 2), (uint16_t)new_rgb_565); |
| |
| s += 1 * 4; |
| d += 1 * 2; |
| n -= 1; |
| } |
| |
| return len; |
| } |
| |
| static uint64_t // |
| wuffs_base__pixel_swizzler__bgr_565__y(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_len2 = dst_len / 2; |
| size_t len = (dst_len2 < src_len) ? dst_len2 : src_len; |
| uint8_t* d = dst_ptr; |
| const uint8_t* s = src_ptr; |
| size_t n = len; |
| |
| // TODO: unroll. |
| |
| while (n >= 1) { |
| uint32_t y5 = s[0] >> 3; |
| uint32_t y6 = s[0] >> 2; |
| uint32_t rgb_565 = (y5 << 11) | (y6 << 5) | (y5 << 0); |
| wuffs_base__poke_u16le__no_bounds_check(d + (0 * 2), (uint16_t)rgb_565); |
| |
| s += 1 * 1; |
| d += 1 * 2; |
| n -= 1; |
| } |
| |
| return len; |
| } |
| |
| static uint64_t // |
| wuffs_base__pixel_swizzler__bgr_565__y_16be(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_len2 = dst_len / 2; |
| size_t src_len2 = src_len / 2; |
| size_t len = (dst_len2 < src_len2) ? dst_len2 : src_len2; |
| uint8_t* d = dst_ptr; |
| const uint8_t* s = src_ptr; |
| size_t n = len; |
| |
| // TODO: unroll. |
| |
| while (n >= 1) { |
| uint32_t y5 = s[0] >> 3; |
| uint32_t y6 = s[0] >> 2; |
| uint32_t rgb_565 = (y5 << 11) | (y6 << 5) | (y5 << 0); |
| wuffs_base__poke_u16le__no_bounds_check(d + (0 * 2), (uint16_t)rgb_565); |
| |
| s += 1 * 2; |
| d += 1 * 2; |
| n -= 1; |
| } |
| |
| return len; |
| } |
| |
| static uint64_t // |
| wuffs_base__pixel_swizzler__bgr_565__index__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) { |
| if (dst_palette_len != 1024) { |
| return 0; |
| } |
| size_t dst_len2 = dst_len / 2; |
| size_t len = (dst_len2 < src_len) ? dst_len2 : src_len; |
| uint8_t* d = dst_ptr; |
| const uint8_t* s = src_ptr; |
| size_t n = len; |
| |
| const size_t loop_unroll_count = 4; |
| |
| while (n >= loop_unroll_count) { |
| wuffs_base__poke_u16le__no_bounds_check( |
| d + (0 * 2), wuffs_base__peek_u16le__no_bounds_check( |
| dst_palette_ptr + ((size_t)s[0] * 4))); |
| wuffs_base__poke_u16le__no_bounds_check( |
| d + (1 * 2), wuffs_base__peek_u16le__no_bounds_check( |
| dst_palette_ptr + ((size_t)s[1] * 4))); |
| wuffs_base__poke_u16le__no_bounds_check( |
| d + (2 * 2), wuffs_base__peek_u16le__no_bounds_check( |
| dst_palette_ptr + ((size_t)s[2] * 4))); |
| wuffs_base__poke_u16le__no_bounds_check( |
| d + (3 * 2), wuffs_base__peek_u16le__no_bounds_check( |
| dst_palette_ptr + ((size_t)s[3] * 4))); |
| |
| s += loop_unroll_count * 1; |
| d += loop_unroll_count * 2; |
| n -= loop_unroll_count; |
| } |
| |
| while (n >= 1) { |
| wuffs_base__poke_u16le__no_bounds_check( |
| d + (0 * 2), wuffs_base__peek_u16le__no_bounds_check( |
| dst_palette_ptr + ((size_t)s[0] * 4))); |
| |
| s += 1 * 1; |
| d += 1 * 2; |
| n -= 1; |
| } |
| |
| return len; |
| } |
| |
| static uint64_t // |
| wuffs_base__pixel_swizzler__bgr_565__index_bgra_nonpremul__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) { |
| if (dst_palette_len != 1024) { |
| return 0; |
| } |
| size_t dst_len2 = dst_len / 2; |
| size_t len = (dst_len2 < src_len) ? dst_len2 : src_len; |
| uint8_t* d = dst_ptr; |
| const uint8_t* s = src_ptr; |
| size_t n = len; |
| |
| // TODO: unroll. |
| |
| while (n >= 1) { |
| uint32_t d0 = wuffs_base__color_u16_rgb_565__as__color_u32_argb_premul( |
| wuffs_base__peek_u16le__no_bounds_check(d + (0 * 2))); |
| uint32_t s0 = wuffs_base__peek_u32le__no_bounds_check(dst_palette_ptr + |
| ((size_t)s[0] * 4)); |
| wuffs_base__poke_u16le__no_bounds_check( |
| d + (0 * 2), |
| wuffs_base__color_u32_argb_premul__as__color_u16_rgb_565( |
| wuffs_base__composite_premul_nonpremul_u32_axxx(d0, s0))); |
| |
| s += 1 * 1; |
| d += 1 * 2; |
| n -= 1; |
| } |
| |
| return len; |
| } |
| |
| static uint64_t // |
| wuffs_base__pixel_swizzler__bgr_565__index_binary_alpha__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) { |
| if (dst_palette_len != 1024) { |
| return 0; |
| } |
| size_t dst_len2 = dst_len / 2; |
| size_t len = (dst_len2 < src_len) ? dst_len2 : src_len; |
| uint8_t* d = dst_ptr; |
| const uint8_t* s = src_ptr; |
| size_t n = len; |
| |
| // TODO: unroll. |
| |
| while (n >= 1) { |
| uint32_t s0 = wuffs_base__peek_u32le__no_bounds_check(dst_palette_ptr + |
| ((size_t)s[0] * 4)); |
| if (s0) { |
| wuffs_base__poke_u16le__no_bounds_check(d + (0 * 2), (uint16_t)s0); |
| } |
| |
| s += 1 * 1; |
| d += 1 * 2; |
| n -= 1; |
| } |
| |
| return len; |
| } |
| |
| // -------- |
| |
| static uint64_t // |
| wuffs_base__pixel_swizzler__bgr__bgra_nonpremul__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_len3 = dst_len / 3; |
| size_t src_len4 = src_len / 4; |
| size_t len = (dst_len3 < src_len4) ? dst_len3 : src_len4; |
| uint8_t* d = dst_ptr; |
| const uint8_t* s = src_ptr; |
| size_t n = len; |
| |
| // TODO: unroll. |
| |
| while (n >= 1) { |
| uint32_t s0 = |
| wuffs_base__color_u32_argb_nonpremul__as__color_u32_argb_premul( |
| wuffs_base__peek_u32le__no_bounds_check(s + (0 * 4))); |
| wuffs_base__poke_u24le__no_bounds_check(d + (0 * 3), s0); |
| |
| s += 1 * 4; |
| d += 1 * 3; |
| n -= 1; |
| } |
| |
| return len; |
| } |
| |
| static uint64_t // |
| wuffs_base__pixel_swizzler__bgr__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_len3 = dst_len / 3; |
| size_t src_len8 = src_len / 8; |
| size_t len = (dst_len3 < src_len8) ? dst_len3 : src_len8; |
| uint8_t* d = dst_ptr; |
| const uint8_t* s = src_ptr; |
| size_t n = len; |
| |
| // TODO: unroll. |
| |
| while (n >= 1) { |
| uint32_t s0 = |
| wuffs_base__color_u64_argb_nonpremul__as__color_u32_argb_premul( |
| wuffs_base__peek_u64le__no_bounds_check(s + (0 * 8))); |
| wuffs_base__poke_u24le__no_bounds_check(d + (0 * 3), s0); |
| |
| s += 1 * 8; |
| d += 1 * 3; |
| n -= 1; |
| } |
| |
| return len; |
| } |
| |
| static uint64_t // |
| wuffs_base__pixel_swizzler__bgr__bgra_nonpremul__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_len3 = dst_len / 3; |
| size_t src_len4 = src_len / 4; |
| size_t len = (dst_len3 < src_len4) ? dst_len3 : src_len4; |
| uint8_t* d = dst_ptr; |
| const uint8_t* s = src_ptr; |
| size_t n = len; |
| |
| // TODO: unroll. |
| |
| while (n >= 1) { |
| // Extract 16-bit color components. |
| uint32_t sa = 0x101 * ((uint32_t)s[3]); |
| uint32_t sr = 0x101 * ((uint32_t)s[2]); |
| uint32_t sg = 0x101 * ((uint32_t)s[1]); |
| uint32_t sb = 0x101 * ((uint32_t)s[0]); |
| uint32_t dr = 0x101 * ((uint32_t)d[2]); |
| uint32_t dg = 0x101 * ((uint32_t)d[1]); |
| uint32_t db = 0x101 * ((uint32_t)d[0]); |
| |
| // Calculate the inverse of the src-alpha: how much of the dst to keep. |
| uint32_t ia = 0xFFFF - sa; |
| |
| // Composite src (nonpremul) over dst (premul). |
| dr = ((sr * sa) + (dr * ia)) / 0xFFFF; |
| dg = ((sg * sa) + (dg * ia)) / 0xFFFF; |
| db = ((sb * sa) + (db * ia)) / 0xFFFF; |
| |
| // Convert from 16-bit color to 8-bit color. |
| d[0] = (uint8_t)(db >> 8); |
| d[1] = (uint8_t)(dg >> 8); |
| d[2] = (uint8_t)(dr >> 8); |
| |
| s += 1 * 4; |
| d += 1 * 3; |
| n -= 1; |
| } |
| |
| return len; |
| } |
| |
| static uint64_t // |
| wuffs_base__pixel_swizzler__bgr__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_len3 = dst_len / 3; |
| size_t src_len8 = src_len / 8; |
| size_t len = (dst_len3 < src_len8) ? dst_len3 : src_len8; |
| uint8_t* d = dst_ptr; |
| const uint8_t* s = src_ptr; |
| size_t n = len; |
| |
| // TODO: unroll. |
| |
| while (n >= 1) { |
| // Extract 16-bit color components. |
| uint32_t sa = ((uint32_t)wuffs_base__peek_u16le__no_bounds_check(s + 6)); |
| uint32_t sr = ((uint32_t)wuffs_base__peek_u16le__no_bounds_check(s + 4)); |
| uint32_t sg = ((uint32_t)wuffs_base__peek_u16le__no_bounds_check(s + 2)); |
| uint32_t sb = ((uint32_t)wuffs_base__peek_u16le__no_bounds_check(s + 0)); |
| uint32_t dr = 0x101 * ((uint32_t)d[2]); |
| uint32_t dg = 0x101 * ((uint32_t)d[1]); |
| uint32_t db = 0x101 * ((uint32_t)d[0]); |
| |
| // Calculate the inverse of the src-alpha: how much of the dst to keep. |
| uint32_t ia = 0xFFFF - sa; |
| |
| // Composite src (nonpremul) over dst (premul). |
| dr = ((sr * sa) + (dr * ia)) / 0xFFFF; |
| dg = ((sg * sa) + (dg * ia)) / 0xFFFF; |
| db = ((sb * sa) + (db * ia)) / 0xFFFF; |
| |
| // Convert from 16-bit color to 8-bit color. |
| d[0] = (uint8_t)(db >> 8); |
| d[1] = (uint8_t)(dg >> 8); |
| d[2] = (uint8_t)(dr >> 8); |
| |
| s += 1 * 8; |
| d += 1 * 3; |
| n -= 1; |
| } |
| |
| return len; |
| } |
| |
| static uint64_t // |
| wuffs_base__pixel_swizzler__bgr__bgra_premul__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_len3 = dst_len / 3; |
| size_t src_len4 = src_len / 4; |
| size_t len = (dst_len3 < src_len4) ? dst_len3 : src_len4; |
| uint8_t* d = dst_ptr; |
| const uint8_t* s = src_ptr; |
| size_t n = len; |
| |
| while (n >= 1) { |
| uint8_t s0 = s[0]; |
| uint8_t s1 = s[1]; |
| uint8_t s2 = s[2]; |
| d[0] = s0; |
| d[1] = s1; |
| d[2] = s2; |
| d[3] = 0xFF; |
| |
| s += 1 * 4; |
| d += 1 * 3; |
| n -= 1; |
| } |
| |
| return len; |
| } |
| |
| static uint64_t // |
| wuffs_base__pixel_swizzler__bgr__bgra_premul__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_len3 = dst_len / 3; |
| size_t src_len4 = src_len / 4; |
| size_t len = (dst_len3 < src_len4) ? dst_len3 : src_len4; |
| uint8_t* d = dst_ptr; |
| const uint8_t* s = src_ptr; |
| size_t n = len; |
| |
| while (n >= 1) { |
| // Extract 16-bit color components. |
| uint32_t sa = 0x101 * ((uint32_t)s[3]); |
| uint32_t sr = 0x101 * ((uint32_t)s[2]); |
| uint32_t sg = 0x101 * ((uint32_t)s[1]); |
| uint32_t sb = 0x101 * ((uint32_t)s[0]); |
| uint32_t dr = 0x101 * ((uint32_t)d[2]); |
| uint32_t dg = 0x101 * ((uint32_t)d[1]); |
| uint32_t db = 0x101 * ((uint32_t)d[0]); |
| |
| // Calculate the inverse of the src-alpha: how much of the dst to keep. |
| uint32_t ia = 0xFFFF - sa; |
| |
| // Composite src (premul) over dst (premul). |
| dr = sr + ((dr * ia) / 0xFFFF); |
| dg = sg + ((dg * ia) / 0xFFFF); |
| db = sb + ((db * ia) / 0xFFFF); |
| |
| // Convert from 16-bit color to 8-bit color. |
| d[0] = (uint8_t)(db >> 8); |
| d[1] = (uint8_t)(dg >> 8); |
| d[2] = (uint8_t)(dr >> 8); |
| |
| s += 1 * 4; |
| d += 1 * 3; |
| n -= 1; |
| } |
| |
| return len; |
| } |
| |
| static uint64_t // |
| wuffs_base__pixel_swizzler__bgr__rgba_nonpremul__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_len3 = dst_len / 3; |
| size_t src_len4 = src_len / 4; |
| size_t len = (dst_len3 < src_len4) ? dst_len3 : src_len4; |
| uint8_t* d = dst_ptr; |
| const uint8_t* s = src_ptr; |
| size_t n = len; |
| |
| // TODO: unroll. |
| |
| while (n >= 1) { |
| uint32_t s0 = wuffs_base__swap_u32_argb_abgr( |
| wuffs_base__color_u32_argb_nonpremul__as__color_u32_argb_premul( |
| wuffs_base__peek_u32le__no_bounds_check(s + (0 * 4)))); |
| wuffs_base__poke_u24le__no_bounds_check(d + (0 * 3), s0); |
| |
| s += 1 * 4; |
| d += 1 * 3; |
| n -= 1; |
| } |
| |
| return len; |
| } |
| |
| static uint64_t // |
| wuffs_base__pixel_swizzler__bgr__rgba_nonpremul__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_len3 = dst_len / 3; |
| size_t src_len4 = src_len / 4; |
| size_t len = (dst_len3 < src_len4) ? dst_len3 : src_len4; |
| uint8_t* d = dst_ptr; |
| const uint8_t* s = src_ptr; |
| size_t n = len; |
| |
| // TODO: unroll. |
| |
| while (n >= 1) { |
| // Extract 16-bit color components. |
| uint32_t sa = 0x101 * ((uint32_t)s[3]); |
| uint32_t sb = 0x101 * ((uint32_t)s[2]); |
| uint32_t sg = 0x101 * ((uint32_t)s[1]); |
| uint32_t sr = 0x101 * ((uint32_t)s[0]); |
| uint32_t dr = 0x101 * ((uint32_t)d[2]); |
| uint32_t dg = 0x101 * ((uint32_t)d[1]); |
| uint32_t db = 0x101 * ((uint32_t)d[0]); |
| |
| // Calculate the inverse of the src-alpha: how much of the dst to keep. |
| uint32_t ia = 0xFFFF - sa; |
| |
| // Composite src (nonpremul) over dst (premul). |
| dr = ((sr * sa) + (dr * ia)) / 0xFFFF; |
| dg = ((sg * sa) + (dg * ia)) / 0xFFFF; |
| db = ((sb * sa) + (db * ia)) / 0xFFFF; |
| |
| // Convert from 16-bit color to 8-bit color. |
| d[0] = (uint8_t)(db >> 8); |
| d[1] = (uint8_t)(dg >> 8); |
| d[2] = (uint8_t)(dr >> 8); |
| |
| s += 1 * 4; |
| d += 1 * 3; |
| n -= 1; |
| } |
| |
| return len; |
| } |
| |
| // -------- |
| |
| static uint64_t // |
| wuffs_base__pixel_swizzler__bgra_nonpremul__bgra_nonpremul__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_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; |
| |
| while (n >= 1) { |
| uint32_t d0 = wuffs_base__peek_u32le__no_bounds_check(d + (0 * 4)); |
| uint32_t s0 = wuffs_base__peek_u32le__no_bounds_check(s + (0 * 4)); |
| wuffs_base__poke_u32le__no_bounds_check( |
| d + (0 * 4), |
| wuffs_base__composite_nonpremul_nonpremul_u32_axxx(d0, s0)); |
| |
| s += 1 * 4; |
| d += 1 * 4; |
| n -= 1; |
| } |
| |
| return len; |
| } |
| |
| 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, |
| 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__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 // |
| wuffs_base__pixel_swizzler__bgra_nonpremul__bgra_premul__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_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; |
| |
| while (n >= 1) { |
| uint32_t s0 = wuffs_base__peek_u32le__no_bounds_check(s + (0 * 4)); |
| wuffs_base__poke_u32le__no_bounds_check( |
| d + (0 * 4), |
| wuffs_base__color_u32_argb_premul__as__color_u32_argb_nonpremul(s0)); |
| |
| s += 1 * 4; |
| d += 1 * 4; |
| n -= 1; |
| } |
| |
| return len; |
| } |
| |
| static uint64_t // |
| wuffs_base__pixel_swizzler__bgra_nonpremul__bgra_premul__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_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; |
| |
| while (n >= 1) { |
| uint32_t d0 = wuffs_base__peek_u32le__no_bounds_check(d + (0 * 4)); |
| uint32_t s0 = wuffs_base__peek_u32le__no_bounds_check(s + (0 * 4)); |
| wuffs_base__poke_u32le__no_bounds_check( |
| d + (0 * 4), wuffs_base__composite_nonpremul_premul_u32_axxx(d0, s0)); |
| |
| s += 1 * 4; |
| d += 1 * 4; |
| n -= 1; |
| } |
| |
| return len; |
| } |
| |
| static uint64_t // |
| wuffs_base__pixel_swizzler__bgra_nonpremul__index_bgra_nonpremul__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) { |
| if (dst_palette_len != 1024) { |
| return 0; |
| } |
| size_t dst_len4 = dst_len / 4; |
| size_t len = (dst_len4 < src_len) ? dst_len4 : src_len; |
| uint8_t* d = dst_ptr; |
| const uint8_t* s = src_ptr; |
| size_t n = len; |
| |
| // TODO: unroll. |
| |
| while (n >= 1) { |
| uint32_t d0 = wuffs_base__peek_u32le__no_bounds_check(d + (0 * 4)); |
| uint32_t s0 = wuffs_base__peek_u32le__no_bounds_check(dst_palette_ptr + |
| ((size_t)s[0] * 4)); |
| wuffs_base__poke_u32le__no_bounds_check( |
| d + (0 * 4), |
| wuffs_base__composite_nonpremul_nonpremul_u32_axxx(d0, s0)); |
| |
| s += 1 * 1; |
| d += 1 * 4; |
| n -= 1; |
| } |
| |
| return len; |
| } |
| |
| static uint64_t // |
| wuffs_base__pixel_swizzler__bgra_nonpremul__rgba_nonpremul__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_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; |
| |
| while (n >= 1) { |
| uint32_t d0 = wuffs_base__peek_u32le__no_bounds_check(d + (0 * 4)); |
| uint32_t s0 = wuffs_base__swap_u32_argb_abgr( |
| wuffs_base__peek_u32le__no_bounds_check(s + (0 * 4))); |
| wuffs_base__poke_u32le__no_bounds_check( |
| d + (0 * 4), |
| wuffs_base__composite_nonpremul_nonpremul_u32_axxx(d0, s0)); |
| |
| s += 1 * 4; |
| d += 1 * 4; |
| n -= 1; |
| } |
| |
| return len; |
| } |
| |
| static uint64_t // |
| wuffs_base__pixel_swizzler__bgra_nonpremul__rgba_premul__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_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; |
| |
| while (n >= 1) { |
| uint32_t s0 = wuffs_base__swap_u32_argb_abgr( |
| wuffs_base__peek_u32le__no_bounds_check(s + (0 * 4))); |
| wuffs_base__poke_u32le__no_bounds_check( |
| d + (0 * 4), |
| wuffs_base__color_u32_argb_premul__as__color_u32_argb_nonpremul(s0)); |
| |
| s += 1 * 4; |
| d += 1 * 4; |
| n -= 1; |
| } |
| |
| return len; |
| } |
| |
| static uint64_t // |
| wuffs_base__pixel_swizzler__bgra_nonpremul__rgba_premul__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_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; |
| |
| while (n >= 1) { |
| uint32_t d0 = wuffs_base__peek_u32le__no_bounds_check(d + (0 * 4)); |
| uint32_t s0 = wuffs_base__swap_u32_argb_abgr( |
| wuffs_base__peek_u32le__no_bounds_check(s + (0 * 4))); |
| wuffs_base__poke_u32le__no_bounds_check( |
| d + (0 * 4), wuffs_base__composite_nonpremul_premul_u32_axxx(d0, s0)); |
| |
| s += 1 * 4; |
| d += 1 * 4; |
| n -= 1; |
| } |
| |
| return len; |
| } |
| |
| // -------- |
| |
| static uint64_t // |
| wuffs_base__pixel_swizzler__bgra_nonpremul_4x16le__bgra_nonpremul__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_len8 = dst_len / 8; |
| size_t src_len4 = src_len / 4; |
| size_t len = (dst_len8 < src_len4) ? dst_len8 : src_len4; |
| uint8_t* d = dst_ptr; |
| const uint8_t* s = src_ptr; |
| |
| size_t n = len; |
| while (n >= 1) { |
| uint8_t s0 = s[0]; |
| uint8_t s1 = s[1]; |
| uint8_t s2 = s[2]; |
| uint8_t s3 = s[3]; |
| d[0] = s0; |
| d[1] = s0; |
| d[2] = s1; |
| d[3] = s1; |
| d[4] = s2; |
| d[5] = s2; |
| d[6] = s3; |
| d[7] = s3; |
| |
| s += 1 * 4; |
| d += 1 * 8; |
| n -= 1; |
| } |
| return len; |
| } |
| |
| static uint64_t // |
| wuffs_base__pixel_swizzler__bgra_nonpremul_4x16le__bgra_nonpremul__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_len8 = dst_len / 8; |
| size_t src_len4 = src_len / 4; |
| size_t len = (dst_len8 < src_len4) ? dst_len8 : src_len4; |
| uint8_t* d = dst_ptr; |
| const uint8_t* s = src_ptr; |
| |
| size_t n = len; |
| while (n >= 1) { |
| uint64_t d0 = wuffs_base__peek_u64le__no_bounds_check(d + (0 * 8)); |
| uint64_t s0 = wuffs_base__color_u32__as__color_u64( |
| wuffs_base__peek_u32le__no_bounds_check(s + (0 * 4))); |
| wuffs_base__poke_u64le__no_bounds_check( |
| d + (0 * 8), |
| wuffs_base__composite_nonpremul_nonpremul_u64_axxx(d0, s0)); |
| |
| s += 1 * 4; |
| d += 1 * 8; |
| n -= 1; |
| } |
| return len; |
| } |
| |
| static uint64_t // |
| wuffs_base__pixel_swizzler__bgra_nonpremul_4x16le__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_len8 = dst_len / 8; |
| size_t src_len8 = src_len / 8; |
| size_t len = (dst_len8 < src_len8) ? dst_len8 : 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__peek_u64le__no_bounds_check(d + (0 * 8)); |
| uint64_t s0 = wuffs_base__peek_u64le__no_bounds_check(s + (0 * 8)); |
| wuffs_base__poke_u64le__no_bounds_check( |
| d + (0 * 8), |
| wuffs_base__composite_nonpremul_nonpremul_u64_axxx(d0, s0)); |
| |
| s += 1 * 8; |
| d += 1 * 8; |
| n -= 1; |
| } |
| return len; |
| } |
| |
| static uint64_t // |
| wuffs_base__pixel_swizzler__bgra_nonpremul_4x16le__bgra_premul__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_len8 = dst_len / 8; |
| size_t src_len4 = src_len / 4; |
| size_t len = (dst_len8 < src_len4) ? dst_len8 : src_len4; |
| uint8_t* d = dst_ptr; |
| const uint8_t* s = src_ptr; |
| |
| size_t n = len; |
| while (n >= 1) { |
| uint64_t s0 = wuffs_base__color_u32__as__color_u64( |
| wuffs_base__color_u32_argb_premul__as__color_u32_argb_nonpremul( |
| wuffs_base__peek_u32le__no_bounds_check(s + (0 * 4)))); |
| wuffs_base__poke_u64le__no_bounds_check(d + (0 * 8), s0); |
| |
| s += 1 * 4; |
| d += 1 * 8; |
| n -= 1; |
| } |
| return len; |
| } |
| |
| static uint64_t // |
| wuffs_base__pixel_swizzler__bgra_nonpremul_4x16le__bgra_premul__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_len8 = dst_len / 8; |
| size_t src_len4 = src_len / 4; |
| size_t len = (dst_len8 < src_len4) ? dst_len8 : src_len4; |
| uint8_t* d = dst_ptr; |
| const uint8_t* s = src_ptr; |
| |
| size_t n = len; |
| while (n >= 1) { |
| uint64_t d0 = wuffs_base__peek_u64le__no_bounds_check(d + (0 * 8)); |
| uint64_t s0 = wuffs_base__color_u32__as__color_u64( |
| wuffs_base__peek_u32le__no_bounds_check(s + (0 * 4))); |
| wuffs_base__poke_u64le__no_bounds_check( |
| d + (0 * 8), wuffs_base__composite_nonpremul_premul_u64_axxx(d0, s0)); |
| |
| s += 1 * 4; |
| d += 1 * 8; |
| n -= 1; |
| } |
| return len; |
| } |
| |
| static uint64_t // |
| wuffs_base__pixel_swizzler__bgra_nonpremul_4x16le__index_bgra_nonpremul__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) { |
| if (dst_palette_len != 1024) { |
| return 0; |
| } |
| size_t dst_len8 = dst_len / 8; |
| size_t len = (dst_len8 < src_len) ? dst_len8 : src_len; |
| uint8_t* d = dst_ptr; |
| const uint8_t* s = src_ptr; |
| size_t n = len; |
| |
| while (n >= 1) { |
| uint64_t d0 = wuffs_base__peek_u64le__no_bounds_check(d + (0 * 8)); |
| uint64_t s0 = wuffs_base__color_u32__as__color_u64( |
| wuffs_base__peek_u32le__no_bounds_check(dst_palette_ptr + |
| ((size_t)s[0] * 4))); |
| wuffs_base__poke_u64le__no_bounds_check( |
| d + (0 * 8), |
| wuffs_base__composite_nonpremul_nonpremul_u64_axxx(d0, s0)); |
| |
| s += 1 * 1; |
| d += 1 * 8; |
| n -= 1; |
| } |
| |
| return len; |
| } |
| |
| static uint64_t // |
| wuffs_base__pixel_swizzler__bgra_nonpremul_4x16le__rgba_nonpremul__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_len8 = dst_len / 8; |
| size_t src_len4 = src_len / 4; |
| size_t len = (dst_len8 < src_len4) ? dst_len8 : src_len4; |
| uint8_t* d = dst_ptr; |
| const uint8_t* s = src_ptr; |
| |
| size_t n = len; |
| while (n >= 1) { |
| uint8_t s0 = s[0]; |
| uint8_t s1 = s[1]; |
| uint8_t s2 = s[2]; |
| uint8_t s3 = s[3]; |
| d[0] = s2; |
| d[1] = s2; |
| d[2] = s1; |
| d[3] = s1; |
| d[4] = s0; |
| d[5] = s0; |
| d[6] = s3; |
| d[7] = s3; |
| |
| s += 1 * 4; |
| d += 1 * 8; |
| n -= 1; |
| } |
| return len; |
| } |
| |
| static uint64_t // |
| wuffs_base__pixel_swizzler__bgra_nonpremul_4x16le__rgba_nonpremul__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_len8 = dst_len / 8; |
| size_t src_len4 = src_len / 4; |
| size_t len = (dst_len8 < src_len4) ? dst_len8 : src_len4; |
| uint8_t* d = dst_ptr; |
| const uint8_t* s = src_ptr; |
| |
| size_t n = len; |
| while (n >= 1) { |
| uint64_t d0 = wuffs_base__peek_u64le__no_bounds_check(d + (0 * 8)); |
| uint64_t s0 = |
| wuffs_base__color_u32__as__color_u64(wuffs_base__swap_u32_argb_abgr( |
| wuffs_base__peek_u32le__no_bounds_check(s + (0 * 4)))); |
| wuffs_base__poke_u64le__no_bounds_check( |
| d + (0 * 8), |
| wuffs_base__composite_nonpremul_nonpremul_u64_axxx(d0, s0)); |
| |
| s += 1 * 4; |
| d += 1 * 8; |
| n -= 1; |
| } |
| return len; |
| } |
| |
| // -------- |
| |
| static uint64_t // |
| wuffs_base__pixel_swizzler__bgra_premul__bgra_nonpremul__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_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) { |
| uint32_t s0 = wuffs_base__peek_u32le__no_bounds_check(s + (0 * 4)); |
| wuffs_base__poke_u32le__no_bounds_check( |
| d + (0 * 4), |
| wuffs_base__color_u32_argb_nonpremul__as__color_u32_argb_premul(s0)); |
| |
| s += 1 * 4; |
| d += 1 * 4; |
| n -= 1; |
| } |
| |
| return len; |
| } |
| |
| static uint64_t // |
| wuffs_base__pixel_swizzler__bgra_premul__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; |
| |
| // 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__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__bgra_nonpremul__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_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) { |
| uint32_t d0 = wuffs_base__peek_u32le__no_bounds_check(d + (0 * 4)); |
| uint32_t s0 = wuffs_base__peek_u32le__no_bounds_check(s + (0 * 4)); |
| wuffs_base__poke_u32le__no_bounds_check( |
| d + (0 * 4), wuffs_base__composite_premul_nonpremul_u32_axxx(d0, s0)); |
| |
| s += 1 * 4; |
| d += 1 * 4; |
| n -= 1; |
| } |
| |
| return len; |
| } |
| |
| static uint64_t // |
| wuffs_base__pixel_swizzler__bgra_premul__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; |
| |
| // 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__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 // |
| wuffs_base__pixel_swizzler__bgra_premul__bgra_premul__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_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) { |
| uint32_t d0 = wuffs_base__peek_u32le__no_bounds_check(d + (0 * 4)); |
| uint32_t s0 = wuffs_base__peek_u32le__no_bounds_check(s + (0 * 4)); |
| wuffs_base__poke_u32le__no_bounds_check( |
| d + (0 * 4), wuffs_base__composite_premul_premul_u32_axxx(d0, s0)); |
| |
| s += 1 * 4; |
| d += 1 * 4; |
| n -= 1; |
| } |
| |
| return len; |
| } |
| |
| static uint64_t // |
| wuffs_base__pixel_swizzler__bgra_premul__index_bgra_nonpremul__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) { |
| if (dst_palette_len != 1024) { |
| return 0; |
| } |
| size_t dst_len4 = dst_len / 4; |
| size_t len = (dst_len4 < src_len) ? dst_len4 : src_len; |
| uint8_t* d = dst_ptr; |
| const uint8_t* s = src_ptr; |
| size_t n = len; |
| |
| // TODO: unroll. |
| |
| while (n >= 1) { |
| uint32_t d0 = wuffs_base__peek_u32le__no_bounds_check(d + (0 * 4)); |
| uint32_t s0 = wuffs_base__peek_u32le__no_bounds_check(dst_palette_ptr + |
| ((size_t)s[0] * 4)); |
| wuffs_base__poke_u32le__no_bounds_check( |
| d + (0 * 4), wuffs_base__composite_premul_nonpremul_u32_axxx(d0, s0)); |
| |
| s += 1 * 1; |
| d += 1 * 4; |
| n -= 1; |
| } |
| |
| return len; |
| } |
| |
| static uint64_t // |
| wuffs_base__pixel_swizzler__bgra_premul__rgba_nonpremul__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_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) { |
| uint32_t s0 = wuffs_base__swap_u32_argb_abgr( |
| wuffs_base__peek_u32le__no_bounds_check(s + (0 * 4))); |
| wuffs_base__poke_u32le__no_bounds_check( |
| d + (0 * 4), |
| wuffs_base__color_u32_argb_nonpremul__as__color_u32_argb_premul(s0)); |
| |
| s += 1 * 4; |
| d += 1 * 4; |
| n -= 1; |
| } |
| |
| return len; |
| } |
| |
| static uint64_t // |
| wuffs_base__pixel_swizzler__bgra_premul__rgba_nonpremul__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_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) { |
| uint32_t d0 = wuffs_base__peek_u32le__no_bounds_check(d + (0 * 4)); |
| uint32_t s0 = wuffs_base__swap_u32_argb_abgr( |
| wuffs_base__peek_u32le__no_bounds_check(s + (0 * 4))); |
| wuffs_base__poke_u32le__no_bounds_check( |
| d + (0 * 4), wuffs_base__composite_premul_nonpremul_u32_axxx(d0, s0)); |
| |
| s += 1 * 4; |
| d += 1 * 4; |
| n -= 1; |
| } |
| |
| 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 // |
| wuffs_base__pixel_swizzler__bgra_premul__rgba_premul__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_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; |
| |
| while (n >= 1) { |
| uint32_t d0 = wuffs_base__peek_u32le__no_bounds_check(d + (0 * 4)); |
| uint32_t s0 = wuffs_base__swap_u32_argb_abgr( |
| wuffs_base__peek_u32le__no_bounds_check(s + (0 * 4))); |
| wuffs_base__poke_u32le__no_bounds_check( |
| d + (0 * 4), wuffs_base__composite_premul_premul_u32_axxx(d0, s0)); |
| |
| s += 1 * 4; |
| d += 1 * 4; |
| n -= 1; |
| } |
| |
| return len; |
| } |
| |
| // -------- |
| |
| static uint64_t // |
| wuffs_base__pixel_swizzler__bgrw__bgr(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_len3 = src_len / 3; |
| size_t len = (dst_len4 < src_len3) ? dst_len4 : src_len3; |
| uint8_t* d = dst_ptr; |
| const uint8_t* s = src_ptr; |
| size_t n = len; |
| |
| // TODO: unroll. |
| |
| while (n >= 1) { |
| wuffs_base__poke_u32le__no_bounds_check( |
| d + (0 * 4), |
| 0xFF000000 | wuffs_base__peek_u24le__no_bounds_check(s + (0 * 3))); |
| |
| s += 1 * 3; |
| d += 1 * 4; |
| n -= 1; |
| } |
| |
| return len; |
| } |
| |
| static uint64_t // |
| wuffs_base__pixel_swizzler__bgrw__bgrx(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) { |
| wuffs_base__poke_u32le__no_bounds_check( |
| d + (0 * 4), |
| 0xFF000000 | wuffs_base__peek_u32le__no_bounds_check(s + (0 * 4))); |
| |
| s += 1 * 4; |
| d += 1 * 4; |
| n -= 1; |
| } |
| |
| return len; |
| } |
| |
| #if defined(WUFFS_BASE__CPU_ARCH__X86_64) |
| WUFFS_BASE__MAYBE_ATTRIBUTE_TARGET("sse4.2") |
| static uint64_t // |
| wuffs_base__pixel_swizzler__bgrw__rgb__sse42(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_len3 = src_len / 3; |
| size_t len = (dst_len4 < src_len3) ? dst_len4 : src_len3; |
| uint8_t* d = dst_ptr; |
| const uint8_t* s = src_ptr; |
| size_t n = len; |
| |
| __m128i shuffle = _mm_set_epi8(+0x00, +0x09, +0x0A, +0x0B, // |
| +0x00, +0x06, +0x07, +0x08, // |
| +0x00, +0x03, +0x04, +0x05, // |
| +0x00, +0x00, +0x01, +0x02); |
| __m128i or_ff = _mm_set_epi8(-0x01, +0x00, +0x00, +0x00, // |
| -0x01, +0x00, +0x00, +0x00, // |
| -0x01, +0x00, +0x00, +0x00, // |
| -0x01, +0x00, +0x00, +0x00); |
| |
| while (n >= 6) { |
| __m128i x; |
| x = _mm_lddqu_si128((const __m128i*)(const void*)s); |
| x = _mm_shuffle_epi8(x, shuffle); |
| x = _mm_or_si128(x, or_ff); |
| _mm_storeu_si128((__m128i*)(void*)d, x); |
| |
| s += 4 * 3; |
| d += 4 * 4; |
| n -= 4; |
| } |
| |
| 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 * 3; |
| d += 1 * 4; |
| n -= 1; |
| } |
| |
| return len; |
| } |
| #endif // defined(WUFFS_BASE__CPU_ARCH__X86_64) |
| |
| static uint64_t // |
| wuffs_base__pixel_swizzler__bgrw__rgb(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_len3 = src_len / 3; |
| size_t len = (dst_len4 < src_len3) ? dst_len4 : src_len3; |
| uint8_t* d = dst_ptr; |
| const uint8_t* s = src_ptr; |
| size_t n = len; |
| |
| 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 * 3; |
| d += 1 * 4; |
| n -= 1; |
| } |
| |
| 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__bgrw_4x16le__bgr(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_len8 = dst_len / 8; |
| size_t src_len3 = src_len / 3; |
| size_t len = (dst_len8 < src_len3) ? dst_len8 : src_len3; |
| uint8_t* d = dst_ptr; |
| const uint8_t* s = src_ptr; |
| size_t n = len; |
| |
| while (n >= 1) { |
| uint8_t s0 = s[0]; |
| uint8_t s1 = s[1]; |
| uint8_t s2 = s[2]; |
| d[0] = s0; |
| d[1] = s0; |
| d[2] = s1; |
| d[3] = s1; |
| d[4] = s2; |
| d[5] = s2; |
| d[6] = 0xFF; |
| d[7] = 0xFF; |
| |
| s += 1 * 3; |
| d += 1 * 8; |
| n -= 1; |
| } |
| |
| return len; |
| } |
| |
| static uint64_t // |
| wuffs_base__pixel_swizzler__bgrw_4x16le__bgrx(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_len8 = dst_len / 8; |
| size_t src_len4 = src_len / 4; |
| size_t len = (dst_len8 < src_len4) ? dst_len8 : src_len4; |
| uint8_t* d = dst_ptr; |
| const uint8_t* s = src_ptr; |
| size_t n = len; |
| |
| while (n >= 1) { |
| uint8_t s0 = s[0]; |
| uint8_t s1 = s[1]; |
| uint8_t s2 = s[2]; |
| d[0] = s0; |
| d[1] = s0; |
| d[2] = s1; |
| d[3] = s1; |
| d[4] = s2; |
| d[5] = s2; |
| d[6] = 0xFF; |
| d[7] = 0xFF; |
| |
| s += 1 * 4; |
| d += 1 * 8; |
| n -= 1; |
| } |
| |
| return len; |
| } |
| |
| static uint64_t // |
| wuffs_base__pixel_swizzler__bgrw_4x16le__rgb(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_len8 = dst_len / 8; |
| size_t src_len3 = src_len / 3; |
| size_t len = (dst_len8 < src_len3) ? dst_len8 : src_len3; |
| uint8_t* d = dst_ptr; |
| const uint8_t* s = src_ptr; |
| size_t n = len; |
| |
| while (n >= 1) { |
| uint8_t s0 = s[0]; |
| uint8_t s1 = s[1]; |
| uint8_t s2 = s[2]; |
| d[0] = s2; |
| d[1] = s2; |
| d[2] = s1; |
| d[3] = s1; |
| d[4] = s0; |
| d[5] = s0; |
| d[6] = 0xFF; |
| d[7] = 0xFF; |
| |
| s += 1 * 3; |
| d += 1 * 8; |
| 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 // |
| wuffs_base__pixel_swizzler__xxx__index__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) { |
| if (dst_palette_len != 1024) { |
| return 0; |
| } |
| size_t dst_len3 = dst_len / 3; |
| size_t len = (dst_len3 < src_len) ? dst_len3 : src_len; |
| uint8_t* d = dst_ptr; |
| const uint8_t* s = src_ptr; |
| size_t n = len; |
| |
| const size_t loop_unroll_count = 4; |
| |
| // The comparison in the while condition is ">", not ">=", because with |
| // ">=", the last 4-byte store could write past the end of the dst slice. |
| // |
| // Each 4-byte store writes one too many bytes, but a subsequent store |
| // will overwrite that with the correct byte. There is always another |
| // store, whether a 4-byte store in this loop or a 1-byte store in the |
| // next loop. |
| while (n > loop_unroll_count) { |
| wuffs_base__poke_u32le__no_bounds_check( |
| d + (0 * 3), wuffs_base__peek_u32le__no_bounds_check( |
| dst_palette_ptr + ((size_t)s[0] * 4))); |
| wuffs_base__poke_u32le__no_bounds_check( |
| d + (1 * 3), wuffs_base__peek_u32le__no_bounds_check( |
| dst_palette_ptr + ((size_t)s[1] * 4))); |
| wuffs_base__poke_u32le__no_bounds_check( |
| d + (2 * 3), wuffs_base__peek_u32le__no_bounds_check( |
| dst_palette_ptr + ((size_t)s[2] * 4))); |
| wuffs_base__poke_u32le__no_bounds_check( |
| d + (3 * 3), wuffs_base__peek_u32le__no_bounds_check( |
| dst_palette_ptr + ((size_t)s[3] * 4))); |
| |
| s += loop_unroll_count * 1; |
| d += loop_unroll_count * 3; |
| n -= loop_unroll_count; |
| } |
| |
| while (n >= 1) { |
| uint32_t s0 = wuffs_base__peek_u32le__no_bounds_check(dst_palette_ptr + |
| ((size_t)s[0] * 4)); |
| wuffs_base__poke_u24le__no_bounds_check(d + (0 * 3), s0); |
| |
| s += 1 * 1; |
| d += 1 * 3; |
| n -= 1; |
| } |
| |
| return len; |
| } |
| |
| static uint64_t // |
| wuffs_base__pixel_swizzler__xxx__index_bgra_nonpremul__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) { |
| if (dst_palette_len != 1024) { |
| return 0; |
| } |
| size_t dst_len3 = dst_len / 3; |
| size_t len = (dst_len3 < src_len) ? dst_len3 : src_len; |
| uint8_t* d = dst_ptr; |
| const uint8_t* s = src_ptr; |
| size_t n = len; |
| |
| // TODO: unroll. |
| |
| while (n >= 1) { |
| uint32_t d0 = |
| wuffs_base__peek_u24le__no_bounds_check(d + (0 * 3)) | 0xFF000000; |
| uint32_t s0 = wuffs_base__peek_u32le__no_bounds_check(dst_palette_ptr + |
| ((size_t)s[0] * 4)); |
| wuffs_base__poke_u24le__no_bounds_check( |
| d + (0 * 3), wuffs_base__composite_premul_nonpremul_u32_axxx(d0, s0)); |
| |
| s += 1 * 1; |
| d += 1 * 3; |
| n -= 1; |
| } |
| |
| return len; |
| } |
| |
| static uint64_t // |
| wuffs_base__pixel_swizzler__xxx__index_binary_alpha__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) { |
| if (dst_palette_len != 1024) { |
| return 0; |
| } |
| size_t dst_len3 = dst_len / 3; |
| size_t len = (dst_len3 < src_len) ? dst_len3 : src_len; |
| uint8_t* d = dst_ptr; |
| const uint8_t* s = src_ptr; |
| size_t n = len; |
| |
| const size_t loop_unroll_count = 4; |
| |
| while (n >= loop_unroll_count) { |
| uint32_t s0 = wuffs_base__peek_u32le__no_bounds_check(dst_palette_ptr + |
| ((size_t)s[0] * 4)); |
| if (s0) { |
| wuffs_base__poke_u24le__no_bounds_check(d + (0 * 3), s0); |
| } |
| uint32_t s1 = wuffs_base__peek_u32le__no_bounds_check(dst_palette_ptr + |
| ((size_t)s[1] * 4)); |
| if (s1) { |
| wuffs_base__poke_u24le__no_bounds_check(d + (1 * 3), s1); |
| } |
| uint32_t s2 = wuffs_base__peek_u32le__no_bounds_check(dst_palette_ptr + |
| ((size_t)s[2] * 4)); |
| if (s2) { |
| wuffs_base__poke_u24le__no_bounds_check(d + (2 * 3), s2); |
| } |
| uint32_t s3 = wuffs_base__peek_u32le__no_bounds_check(dst_palette_ptr + |
| ((size_t)s[3] * 4)); |
| if (s3) { |
| wuffs_base__poke_u24le__no_bounds_check(d + (3 * 3), s3); |
| } |
| |
| s += loop_unroll_count * 1; |
| d += loop_unroll_count * 3; |
| n -= loop_unroll_count; |
| } |
| |
| while (n >= 1) { |
| uint32_t s0 = wuffs_base__peek_u32le__no_bounds_check(dst_palette_ptr + |
| ((size_t)s[0] * 4)); |
| if (s0) { |
| wuffs_base__poke_u24le__no_bounds_check(d + (0 * 3), s0); |
| } |
| |
| s += 1 * 1; |
| d += 1 * 3; |
| n -= 1; |
| } |
| |
| return len; |
| } |
| |
| static uint64_t // |
| wuffs_base__pixel_swizzler__xxx__xxxx(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_len3 = dst_len / 3; |
| size_t src_len4 = src_len / 4; |
| size_t len = (dst_len3 < src_len4) ? dst_len3 : src_len4; |
| uint8_t* d = dst_ptr; |
| const uint8_t* s = src_ptr; |
| size_t n = len; |
| |
| // TODO: unroll. |
| |
| while (n >= 1) { |
| wuffs_base__poke_u24le__no_bounds_check( |
| d + (0 * 3), wuffs_base__peek_u32le__no_bounds_check(s + (0 * 4))); |
| |
| s += 1 * 4; |
| d += 1 * 3; |
| n -= 1; |
| } |
| |
| return len; |
| } |
| |
| static uint64_t // |
| wuffs_base__pixel_swizzler__xxx__y(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_len3 = dst_len / 3; |
| size_t len = (dst_len3 < src_len) ? dst_len3 : src_len; |
| uint8_t* d = dst_ptr; |
| const uint8_t* s = src_ptr; |
| size_t n = len; |
| |
| // TODO: unroll. |
| |
| while (n >= 1) { |
| uint8_t s0 = s[0]; |
| d[0] = s0; |
| d[1] = s0; |
| d[2] = s0; |
| |
| s += 1 * 1; |
| d += 1 * 3; |
| n -= 1; |
| } |
| |
| return len; |
| } |
| |
| static uint64_t // |
| wuffs_base__pixel_swizzler__xxx__y_16be(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_len3 = dst_len / 3; |
| size_t src_len2 = src_len / 2; |
| size_t len = (dst_len3 < src_len2) ? dst_len3 : src_len2; |
| uint8_t* d = dst_ptr; |
| const uint8_t* s = src_ptr; |
| size_t n = len; |
| |
| // TODO: unroll. |
| |
| while (n >= 1) { |
| uint8_t s0 = s[0]; |
| d[0] = s0; |
| d[1] = s0; |
| d[2] = s0; |
| |
| s += 1 * 2; |
| d += 1 * 3; |
| n -= 1; |
| } |
| |
| return len; |
| } |
| |
| // -------- |
| |
| static uint64_t // |
| wuffs_base__pixel_swizzler__xxxx__index__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) { |
| if (dst_palette_len != 1024) { |
| return 0; |
| } |
| size_t dst_len4 = dst_len / 4; |
| size_t len = (dst_len4 < src_len) ? dst_len4 : src_len; |
| uint8_t* d = dst_ptr; |
| const uint8_t* s = src_ptr; |
| size_t n = len; |
| |
| const size_t loop_unroll_count = 4; |
| |
| while (n >= loop_unroll_count) { |
| wuffs_base__poke_u32le__no_bounds_check( |
| d + (0 * 4), wuffs_base__peek_u32le__no_bounds_check( |
| dst_palette_ptr + ((size_t)s[0] * 4))); |
| wuffs_base__poke_u32le__no_bounds_check( |
| d + (1 * 4), wuffs_base__peek_u32le__no_bounds_check( |
| dst_palette_ptr + ((size_t)s[1] * 4))); |
| wuffs_base__poke_u32le__no_bounds_check( |
| d + (2 * 4), wuffs_base__peek_u32le__no_bounds_check( |
| dst_palette_ptr + ((size_t)s[2] * 4))); |
| wuffs_base__poke_u32le__no_bounds_check( |
| d + (3 * 4), wuffs_base__peek_u32le__no_bounds_check( |
| dst_palette_ptr + ((size_t)s[3] * 4))); |
| |
| s += loop_unroll_count * 1; |
| d += loop_unroll_count * 4; |
| n -= loop_unroll_count; |
| } |
| |
| while (n >= 1) { |
| wuffs_base__poke_u32le__no_bounds_check( |
| d + (0 * 4), wuffs_base__peek_u32le__no_bounds_check( |
| dst_palette_ptr + ((size_t)s[0] * 4))); |
| |
| s += 1 * 1; |
| d += 1 * 4; |
| n -= 1; |
| } |
| |
| return len; |
| } |
| |
| static uint64_t // |
| wuffs_base__pixel_swizzler__xxxx__index_binary_alpha__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) { |
| if (dst_palette_len != 1024) { |
| return 0; |
| } |
| size_t dst_len4 = dst_len / 4; |
| size_t len = (dst_len4 < src_len) ? dst_len4 : src_len; |
| uint8_t* d = dst_ptr; |
| const uint8_t* s = src_ptr; |
| size_t n = len; |
| |
| const size_t loop_unroll_count = 4; |
| |
| while (n >= loop_unroll_count) { |
| uint32_t s0 = wuffs_base__peek_u32le__no_bounds_check(dst_palette_ptr + |
| ((size_t)s[0] * 4)); |
| if (s0) { |
| wuffs_base__poke_u32le__no_bounds_check(d + (0 * 4), s0); |
| } |
| uint32_t s1 = wuffs_base__peek_u32le__no_bounds_check(dst_palette_ptr + |
| ((size_t)s[1] * 4)); |
| if (s1) { |
| wuffs_base__poke_u32le__no_bounds_check(d + (1 * 4), s1); |
| } |
| uint32_t s2 = wuffs_base__peek_u32le__no_bounds_check(dst_palette_ptr + |
| ((size_t)s[2] * 4)); |
| if (s2) { |
| wuffs_base__poke_u32le__no_bounds_check(d + (2 * 4), s2); |
| } |
| uint32_t s3 = wuffs_base__peek_u32le__no_bounds_check(dst_palette_ptr + |
| ((size_t)s[3] * 4)); |
| if (s3) { |
| wuffs_base__poke_u32le__no_bounds_check(d + (3 * 4), s3); |
| } |
| |
| s += loop_unroll_count * 1; |
| d += loop_unroll_count * 4; |
| n -= loop_unroll_count; |
| } |
| |
| while (n >= 1) { |
| uint32_t s0 = wuffs_base__peek_u32le__no_bounds_check(dst_palette_ptr + |
| ((size_t)s[0] * 4)); |
| if (s0) { |
| wuffs_base__poke_u32le__no_bounds_check(d + (0 * 4), s0); |
| } |
| |
| s += 1 * 1; |
| d += 1 * 4; |
| n -= 1; |
| } |
| |
| return len; |
| } |
| |
| #if defined(WUFFS_BASE__CPU_ARCH__X86_64) |
| WUFFS_BASE__MAYBE_ATTRIBUTE_TARGET("sse4.2") |
| static uint64_t // |
| wuffs_base__pixel_swizzler__xxxx__y__sse42(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 len = (dst_len4 < src_len) ? dst_len4 : src_len; |
| uint8_t* d = dst_ptr; |
| const uint8_t* s = src_ptr; |
| size_t n = len; |
| |
| __m128i shuffle = _mm_set_epi8(+0x03, +0x03, +0x03, +0x03, // |
| +0x02, +0x02, +0x02, +0x02, // |
| +0x01, +0x01, +0x01, +0x01, // |
| +0x00, +0x00, +0x00, +0x00); |
| __m128i or_ff = _mm_set_epi8(-0x01, +0x00, +0x00, +0x00, // |
| -0x01, +0x00, +0x00, +0x00, // |
| -0x01, +0x00, +0x00, +0x00, // |
| -0x01, +0x00, +0x00, +0x00); |
| |
| while (n >= 4) { |
| __m128i x; |
| x = _mm_cvtsi32_si128((int)(wuffs_base__peek_u32le__no_bounds_check(s))); |
| x = _mm_shuffle_epi8(x, shuffle); |
| x = _mm_or_si128(x, or_ff); |
| _mm_storeu_si128((__m128i*)(void*)d, x); |
| |
| s += 4 * 1; |
| d += 4 * 4; |
| n -= 4; |
| } |
| |
| while (n >= 1) { |
| wuffs_base__poke_u32le__no_bounds_check( |
| d + (0 * 4), 0xFF000000 | (0x010101 * (uint32_t)s[0])); |
| |
| s += 1 * 1; |
| d += 1 * 4; |
| n -= 1; |
| } |
| |
| return len; |
| } |
| #endif // defined(WUFFS_BASE__CPU_ARCH__X86_64) |
| |
| static uint64_t // |
| wuffs_base__pixel_swizzler__xxxx__y(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 len = (dst_len4 < src_len) ? dst_len4 : src_len; |
| 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), 0xFF000000 | (0x010101 * (uint32_t)s[0])); |
| |
| s += 1 * 1; |
| d += 1 * 4; |
| n -= 1; |
| } |
| |
| return len; |
| } |
| |
| static uint64_t // |
| wuffs_base__pixel_swizzler__xxxx__y_16be(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_len2 = src_len / 2; |
| size_t len = (dst_len4 < src_len2) ? dst_len4 : src_len2; |
| 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), 0xFF000000 | (0x010101 * (uint32_t)s[0])); |
| |
| s += 1 * 2; |
| d += 1 * 4; |
| n -= 1; |
| } |
| |
| return len; |
| } |
| |
| // -------- |
| |
| static uint64_t // |
| wuffs_base__pixel_swizzler__xxxxxxxx__index__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) { |
| if (dst_palette_len != 1024) { |
| return 0; |
| } |
| size_t dst_len8 = dst_len / 8; |
| size_t len = (dst_len8 < src_len) ? dst_len8 : src_len; |
| uint8_t* d = dst_ptr; |
| const uint8_t* s = src_ptr; |
| size_t n = len; |
| |
| while (n >= 1) { |
| wuffs_base__poke_u64le__no_bounds_check( |
| d + (0 * 8), wuffs_base__color_u32__as__color_u64( |
| wuffs_base__peek_u32le__no_bounds_check( |
| dst_palette_ptr + ((size_t)s[0] * 4)))); |
| |
| s += 1 * 1; |
| d += 1 * 8; |
| n -= 1; |
| } |
| |
| return len; |
| } |
| |
| static uint64_t // |
| wuffs_base__pixel_swizzler__xxxxxxxx__index_binary_alpha__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) { |
| if (dst_palette_len != 1024) { |
| return 0; |
| } |
| size_t dst_len8 = dst_len / 8; |
| size_t len = (dst_len8 < src_len) ? dst_len8 : src_len; |
| uint8_t* d = dst_ptr; |
| const uint8_t* s = src_ptr; |
| size_t n = len; |
| |
| while (n >= 1) { |
| uint32_t s0 = wuffs_base__peek_u32le__no_bounds_check(dst_palette_ptr + |
| ((size_t)s[0] * 4)); |
| if (s0) { |
| wuffs_base__poke_u64le__no_bounds_check( |
| d + (0 * 8), wuffs_base__color_u32__as__color_u64(s0)); |
| } |
| |
| s += 1 * 1; |
| d += 1 * 8; |
| n -= 1; |
| } |
| |
| return len; |
| } |
| |
| static uint64_t // |
| wuffs_base__pixel_swizzler__xxxxxxxx__y(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_len8 = dst_len / 8; |
| size_t len = (dst_len8 < src_len) ? dst_len8 : src_len; |
| uint8_t* d = dst_ptr; |
| const uint8_t* s = src_ptr; |
| size_t n = len; |
| |
| while (n >= 1) { |
| wuffs_base__poke_u64le__no_bounds_check( |
| d + (0 * 8), 0xFFFF000000000000 | (0x010101010101 * (uint64_t)s[0])); |
| |
| s += 1 * 1; |
| d += 1 * 8; |
| n -= 1; |
| } |
| |
| return len; |
| } |
| |
| static uint64_t // |
| wuffs_base__pixel_swizzler__xxxxxxxx__y_16be(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_len8 = dst_len / 8; |
| size_t src_len2 = src_len / 2; |
| size_t len = (dst_len8 < src_len2) ? dst_len8 : src_len2; |
| uint8_t* d = dst_ptr; |
| const uint8_t* s = src_ptr; |
| size_t n = len; |
| |
| while (n >= 1) { |
| uint64_t s0 = |
| ((uint64_t)(wuffs_base__peek_u16be__no_bounds_check(s + (0 * 2)))); |
| wuffs_base__poke_u64le__no_bounds_check( |
| d + (0 * 8), 0xFFFF000000000000 | (0x000100010001 * s0)); |
| |
| s += 1 * 2; |
| d += 1 * 8; |
| n -= 1; |
| } |
| |
| return len; |
| } |
| |
| // -------- |
| |
| static uint64_t // |
| wuffs_base__pixel_swizzler__y__y_16be(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 src_len2 = src_len / 2; |
| size_t len = (dst_len < src_len2) ? dst_len : src_len2; |
| uint8_t* d = dst_ptr; |
| const uint8_t* s = src_ptr; |
| size_t n = len; |
| |
| while (n >= 1) { |
| d[0] = s[0]; |
| |
| s += 1 * 2; |
| d += 1 * 1; |
| n -= 1; |
| } |
| |
| return len; |
| } |
| |
| // -------- |
| |
| static uint64_t // |
| wuffs_base__pixel_swizzler__transparent_black_src( |
| uint8_t* dst_ptr, |
| size_t dst_len, |
| uint8_t* dst_palette_ptr, |
| size_t dst_palette_len, |
| uint64_t num_pixels, |
| uint32_t dst_pixfmt_bytes_per_pixel) { |
| uint64_t n = ((uint64_t)dst_len) / dst_pixfmt_bytes_per_pixel; |
| if (n > num_pixels) { |
| n = num_pixels; |
| } |
| memset(dst_ptr, 0, ((size_t)(n * dst_pixfmt_bytes_per_pixel))); |
| return n; |
| } |
| |
| static uint64_t // |
| wuffs_base__pixel_swizzler__transparent_black_src_over( |
| uint8_t* dst_ptr, |
| size_t dst_len, |
| uint8_t* dst_palette_ptr, |
| size_t dst_palette_len, |
| uint64_t num_pixels, |
| uint32_t dst_pixfmt_bytes_per_pixel) { |
| uint64_t n = ((uint64_t)dst_len) / dst_pixfmt_bytes_per_pixel; |
| if (n > num_pixels) { |
| n = num_pixels; |
| } |
| return n; |
| } |
| |
| // -------- |
| |
| static wuffs_base__pixel_swizzler__func // |
| wuffs_base__pixel_swizzler__prepare__y(wuffs_base__pixel_swizzler* p, |
| wuffs_base__pixel_format dst_pixfmt, |
| wuffs_base__slice_u8 dst_palette, |
| wuffs_base__slice_u8 src_palette, |
| wuffs_base__pixel_blend blend) { |
| switch (dst_pixfmt.repr) { |
| case WUFFS_BASE__PIXEL_FORMAT__Y: |
| return wuffs_base__pixel_swizzler__copy_1_1; |
| |
| case WUFFS_BASE__PIXEL_FORMAT__BGR_565: |
| return wuffs_base__pixel_swizzler__bgr_565__y; |
| |
| case WUFFS_BASE__PIXEL_FORMAT__BGR: |
| case WUFFS_BASE__PIXEL_FORMAT__RGB: |
| return wuffs_base__pixel_swizzler__xxx__y; |
| |
| case WUFFS_BASE__PIXEL_FORMAT__BGRA_NONPREMUL: |
| case WUFFS_BASE__PIXEL_FORMAT__BGRA_PREMUL: |
| case WUFFS_BASE__PIXEL_FORMAT__BGRA_BINARY: |
| case WUFFS_BASE__PIXEL_FORMAT__BGRX: |
| 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: |
| #if defined(WUFFS_BASE__CPU_ARCH__X86_64) |
| if (wuffs_base__cpu_arch__have_x86_sse42()) { |
| return wuffs_base__pixel_swizzler__xxxx__y__sse42; |
| } |
| #endif |
| return wuffs_base__pixel_swizzler__xxxx__y; |
| |
| case WUFFS_BASE__PIXEL_FORMAT__BGRA_NONPREMUL_4X16LE: |
| case WUFFS_BASE__PIXEL_FORMAT__BGRA_PREMUL_4X16LE: |
| case WUFFS_BASE__PIXEL_FORMAT__RGBA_NONPREMUL_4X16LE: |
| case WUFFS_BASE__PIXEL_FORMAT__RGBA_PREMUL_4X16LE: |
| return wuffs_base__pixel_swizzler__xxxxxxxx__y; |
| } |
| return NULL; |
| } |
| |
| static wuffs_base__pixel_swizzler__func // |
| wuffs_base__pixel_swizzler__prepare__y_16be(wuffs_base__pixel_swizzler* p, |
| wuffs_base__pixel_format dst_pixfmt, |
| wuffs_base__slice_u8 dst_palette, |
| wuffs_base__slice_u8 src_palette, |
| wuffs_base__pixel_blend blend) { |
| switch (dst_pixfmt.repr) { |
| case WUFFS_BASE__PIXEL_FORMAT__Y: |
| return wuffs_base__pixel_swizzler__y__y_16be; |
| |
| case WUFFS_BASE__PIXEL_FORMAT__BGR_565: |
| return wuffs_base__pixel_swizzler__bgr_565__y_16be; |
| |
| case WUFFS_BASE__PIXEL_FORMAT__BGR: |
| case WUFFS_BASE__PIXEL_FORMAT__RGB: |
| return wuffs_base__pixel_swizzler__xxx__y_16be; |
| break; |
| |
| case WUFFS_BASE__PIXEL_FORMAT__BGRA_NONPREMUL: |
| case WUFFS_BASE__PIXEL_FORMAT__BGRA_PREMUL: |
| case WUFFS_BASE__PIXEL_FORMAT__BGRA_BINARY: |
| case WUFFS_BASE__PIXEL_FORMAT__BGRX: |
| 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: |
| return wuffs_base__pixel_swizzler__xxxx__y_16be; |
| |
| case WUFFS_BASE__PIXEL_FORMAT__BGRA_NONPREMUL_4X16LE: |
| case WUFFS_BASE__PIXEL_FORMAT__BGRA_PREMUL_4X16LE: |
| case WUFFS_BASE__PIXEL_FORMAT__RGBA_NONPREMUL_4X16LE: |
| case WUFFS_BASE__PIXEL_FORMAT__RGBA_PREMUL_4X16LE: |
| return wuffs_base__pixel_swizzler__xxxxxxxx__y_16be; |
| } |
| return NULL; |
| } |
| |
| static wuffs_base__pixel_swizzler__func // |
| wuffs_base__pixel_swizzler__prepare__indexed__bgra_nonpremul( |
| wuffs_base__pixel_swizzler* p, |
| wuffs_base__pixel_format dst_pixfmt, |
| wuffs_base__slice_u8 dst_palette, |
| wuffs_base__slice_u8 src_palette, |
| wuffs_base__pixel_blend blend) { |
| switch (dst_pixfmt.repr) { |
| case WUFFS_BASE__PIXEL_FORMAT__INDEXED__BGRA_NONPREMUL: |
| if (wuffs_base__slice_u8__copy_from_slice(dst_palette, src_palette) != |
| 1024) { |
| return NULL; |
| } |
| switch (blend) { |
| case WUFFS_BASE__PIXEL_BLEND__SRC: |
| return wuffs_base__pixel_swizzler__copy_1_1; |
| } |
| return NULL; |
| |
| case WUFFS_BASE__PIXEL_FORMAT__BGR_565: |
| switch (blend) { |
| case WUFFS_BASE__PIXEL_BLEND__SRC: |
| if (wuffs_base__pixel_swizzler__squash_align4_bgr_565_8888( |
| dst_palette.ptr, dst_palette.len, src_palette.ptr, |
| src_palette.len, true) != 256) { |
| return NULL; |
| } |
| return wuffs_base__pixel_swizzler__bgr_565__index__src; |
| case WUFFS_BASE__PIXEL_BLEND__SRC_OVER: |
| if (wuffs_base__slice_u8__copy_from_slice(dst_palette, src_palette) != |
| 1024) { |
| return NULL; |
| } |
| return wuffs_base__pixel_swizzler__bgr_565__index_bgra_nonpremul__src_over; |
| } |
| return NULL; |
| |
| case WUFFS_BASE__PIXEL_FORMAT__BGR: |
| switch (blend) { |
| case WUFFS_BASE__PIXEL_BLEND__SRC: |
| if (wuffs_base__pixel_swizzler__bgra_premul__bgra_nonpremul__src( |
| dst_palette.ptr, dst_palette.len, NULL, 0, src_palette.ptr, |
| src_palette.len) != 256) { |
| return NULL; |
| } |
| return wuffs_base__pixel_swizzler__xxx__index__src; |
| case WUFFS_BASE__PIXEL_BLEND__SRC_OVER: |
| if (wuffs_base__slice_u8__copy_from_slice(dst_palette, src_palette) != |
| 1024) { |
| return NULL; |
| } |
| return wuffs_base__pixel_swizzler__xxx__index_bgra_nonpremul__src_over; |
| } |
| return NULL; |
| |
| case WUFFS_BASE__PIXEL_FORMAT__BGRA_NONPREMUL: |
| if (wuffs_base__slice_u8__copy_from_slice(dst_palette, src_palette) != |
| 1024) { |
| 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__BGRA_NONPREMUL_4X16LE: |
| if (wuffs_base__slice_u8__copy_from_slice(dst_palette, src_palette) != |
| 1024) { |
| return NULL; |
| } |
| switch (blend) { |
| case WUFFS_BASE__PIXEL_BLEND__SRC: |
| return wuffs_base__pixel_swizzler__xxxxxxxx__index__src; |
| case WUFFS_BASE__PIXEL_BLEND__SRC_OVER: |
| return wuffs_base__pixel_swizzler__bgra_nonpremul_4x16le__index_bgra_nonpremul__src_over; |
| } |
| return NULL; |
| |
| case WUFFS_BASE__PIXEL_FORMAT__BGRA_PREMUL: |
| switch (blend) { |
| case WUFFS_BASE__PIXEL_BLEND__SRC: |
| if (wuffs_base__pixel_swizzler__bgra_premul__bgra_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__slice_u8__copy_from_slice(dst_palette, src_palette) != |
| 1024) { |
| return NULL; |
| } |
| return wuffs_base__pixel_swizzler__bgra_premul__index_bgra_nonpremul__src_over; |
| } |
| 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; |
| } |
| return NULL; |
| } |
| |
| static wuffs_base__pixel_swizzler__func // |
| wuffs_base__pixel_swizzler__prepare__indexed__bgra_binary( |
| wuffs_base__pixel_swizzler* p, |
| wuffs_base__pixel_format dst_pixfmt, |
| wuffs_base__slice_u8 dst_palette, |
| wuffs_base__slice_u8 src_palette, |
| wuffs_base__pixel_blend blend) { |
| switch (dst_pixfmt.repr) { |
| case WUFFS_BASE__PIXEL_FORMAT__INDEXED__BGRA_NONPREMUL: |
| case WUFFS_BASE__PIXEL_FORMAT__INDEXED__BGRA_PREMUL: |
| case WUFFS_BASE__PIXEL_FORMAT__INDEXED__BGRA_BINARY: |
| if (wuffs_base__slice_u8__copy_from_slice(dst_palette, src_palette) != |
| 1024) { |
| return NULL; |
| } |
| switch (blend) { |
| case WUFFS_BASE__PIXEL_BLEND__SRC: |
| return wuffs_base__pixel_swizzler__copy_1_1; |
| } |
| return NULL; |
| |
| case WUFFS_BASE__PIXEL_FORMAT__BGR_565: |
| if (wuffs_base__pixel_swizzler__squash_align4_bgr_565_8888( |
| dst_palette.ptr, dst_palette.len, src_palette.ptr, |
| src_palette.len, false) != 256) { |
| return NULL; |
| } |
| switch (blend) { |
| case WUFFS_BASE__PIXEL_BLEND__SRC: |
| return wuffs_base__pixel_swizzler__bgr_565__index__src; |
| case WUFFS_BASE__PIXEL_BLEND__SRC_OVER: |
| return wuffs_base__pixel_swizzler__bgr_565__index_binary_alpha__src_over; |
| } |
| return NULL; |
| |
| case WUFFS_BASE__PIXEL_FORMAT__BGR: |
| if (wuffs_base__slice_u8__copy_from_slice(dst_palette, src_palette) != |
| 1024) { |
| return NULL; |
| } |
| switch (blend) { |
| case WUFFS_BASE__PIXEL_BLEND__SRC: |
| return wuffs_base__pixel_swizzler__xxx__index__src; |
| case WUFFS_BASE__PIXEL_BLEND__SRC_OVER: |
| return wuffs_base__pixel_swizzler__xxx__index_binary_alpha__src_over; |
| } |
| return NULL; |
| |
| case WUFFS_BASE__PIXEL_FORMAT__BGRA_NONPREMUL: |
| case WUFFS_BASE__PIXEL_FORMAT__BGRA_PREMUL: |
| case WUFFS_BASE__PIXEL_FORMAT__BGRA_BINARY: |
| if (wuffs_base__slice_u8__copy_from_slice(dst_palette, src_palette) != |
| 1024) { |
| 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__xxxx__index_binary_alpha__src_over; |
| } |
| return NULL; |
| |
| case WUFFS_BASE__PIXEL_FORMAT__BGRA_NONPREMUL_4X16LE: |
| case WUFFS_BASE__PIXEL_FORMAT__BGRA_PREMUL_4X16LE: |
| if (wuffs_base__slice_u8__copy_from_slice(dst_palette, src_palette) != |
| 1024) { |
| return NULL; |
| } |
| switch (blend) { |
| case WUFFS_BASE__PIXEL_BLEND__SRC: |
| return wuffs_base__pixel_swizzler__xxxxxxxx__index__src; |
| case WUFFS_BASE__PIXEL_BLEND__SRC_OVER: |
| return wuffs_base__pixel_swizzler__xxxxxxxx__index_binary_alpha__src_over; |
| } |
| return NULL; |
| |
| case WUFFS_BASE__PIXEL_FORMAT__RGB: |
| 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__xxx__index__src; |
| case WUFFS_BASE__PIXEL_BLEND__SRC_OVER: |
| return wuffs_base__pixel_swizzler__xxx__index_binary_alpha__src_over; |
| } |
| return NULL; |
| |
| case WUFFS_BASE__PIXEL_FORMAT__RGBA_NONPREMUL: |
| case WUFFS_BASE__PIXEL_FORMAT__RGBA_PREMUL: |
| case WUFFS_BASE__PIXEL_FORMAT__RGBA_BINARY: |
| 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__xxxx__index_binary_alpha__src_over; |
| } |
| return NULL; |
| } |
| return NULL; |
| } |
| |
| static wuffs_base__pixel_swizzler__func // |
| wuffs_base__pixel_swizzler__prepare__bgr(wuffs_base__pixel_swizzler* p, |
| wuffs_base__pixel_format dst_pixfmt, |
| wuffs_base__slice_u8 dst_palette, |
| wuffs_base__slice_u8 src_palette, |
| wuffs_base__pixel_blend blend) { |
| switch (dst_pixfmt.repr) { |
| case WUFFS_BASE__PIXEL_FORMAT__BGR_565: |
| return wuffs_base__pixel_swizzler__bgr_565__bgr; |
| |
| case WUFFS_BASE__PIXEL_FORMAT__BGR: |
| return wuffs_base__pixel_swizzler__copy_3_3; |
| |
| case WUFFS_BASE__PIXEL_FORMAT__BGRA_NONPREMUL: |
| case WUFFS_BASE__PIXEL_FORMAT__BGRA_PREMUL: |
| case WUFFS_BASE__PIXEL_FORMAT__BGRA_BINARY: |
| case WUFFS_BASE__PIXEL_FORMAT__BGRX: |
| return wuffs_base__pixel_swizzler__bgrw__bgr; |
| |
| case WUFFS_BASE__PIXEL_FORMAT__BGRA_NONPREMUL_4X16LE: |
| case WUFFS_BASE__PIXEL_FORMAT__BGRA_PREMUL_4X16LE: |
| return wuffs_base__pixel_swizzler__bgrw_4x16le__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: |
| #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; |
| } |
| |
| static wuffs_base__pixel_swizzler__func // |
| wuffs_base__pixel_swizzler__prepare__bgra_nonpremul( |
| wuffs_base__pixel_swizzler* p, |
| wuffs_base__pixel_format dst_pixfmt, |
| wuffs_base__slice_u8 dst_palette, |
| wuffs_base__slice_u8 src_palette, |
| wuffs_base__pixel_blend blend) { |
| switch (dst_pixfmt.repr) { |
| case WUFFS_BASE__PIXEL_FORMAT__BGR_565: |
| switch (blend) { |
| case WUFFS_BASE__PIXEL_BLEND__SRC: |
| return wuffs_base__pixel_swizzler__bgr_565__bgra_nonpremul__src; |
| case WUFFS_BASE__PIXEL_BLEND__SRC_OVER: |
| return wuffs_base__pixel_swizzler__bgr_565__bgra_nonpremul__src_over; |
| } |
| return NULL; |
| |
| case WUFFS_BASE__PIXEL_FORMAT__BGR: |
| switch (blend) { |
| case WUFFS_BASE__PIXEL_BLEND__SRC: |
| return wuffs_base__pixel_swizzler__bgr__bgra_nonpremul__src; |
| case WUFFS_BASE__PIXEL_BLEND__SRC_OVER: |
| return wuffs_base__pixel_swizzler__bgr__bgra_nonpremul__src_over; |
| } |
| return NULL; |
| |
| case WUFFS_BASE__PIXEL_FORMAT__BGRA_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__BGRA_NONPREMUL_4X16LE: |
| switch (blend) { |
| case WUFFS_BASE__PIXEL_BLEND__SRC: |
| return wuffs_base__pixel_swizzler__bgra_nonpremul_4x16le__bgra_nonpremul__src; |
| case WUFFS_BASE__PIXEL_BLEND__SRC_OVER: |
| return wuffs_base__pixel_swizzler__bgra_nonpremul_4x16le__bgra_nonpremul__src_over; |
| } |
| return NULL; |
| |
| case WUFFS_BASE__PIXEL_FORMAT__BGRA_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__BGRA_BINARY: |
| case WUFFS_BASE__PIXEL_FORMAT__BGRX: |
| // TODO. |
| 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. |
| break; |
| } |
| return NULL; |
| } |
| |
| static wuffs_base__pixel_swizzler__func // |
| wuffs_base__pixel_swizzler__prepare__bgra_nonpremul_4x16le( |
| wuffs_base__pixel_swizzler* p, |
| wuffs_base__pixel_format dst_pixfmt, |
| wuffs_base__slice_u8 dst_palette, |
| wuffs_base__slice_u8 src_palette, |
| wuffs_base__pixel_blend blend) { |
| switch (dst_pixfmt.repr) { |
| case WUFFS_BASE__PIXEL_FORMAT__BGR_565: |
| switch (blend) { |
| case WUFFS_BASE__PIXEL_BLEND__SRC: |
| return wuffs_base__pixel_swizzler__bgr_565__bgra_nonpremul_4x16le__src; |
| case WUFFS_BASE__PIXEL_BLEND__SRC_OVER: |
| return wuffs_base__pixel_swizzler__bgr_565__bgra_nonpremul_4x16le__src_over; |
| } |
| return NULL; |
| |
| case WUFFS_BASE__PIXEL_FORMAT__BGR: |
| switch (blend) { |
| case WUFFS_BASE__PIXEL_BLEND__SRC: |
| return wuffs_base__pixel_swizzler__bgr__bgra_nonpremul_4x16le__src; |
| case WUFFS_BASE__PIXEL_BLEND__SRC_OVER: |
| return wuffs_base__pixel_swizzler__bgr__bgra_nonpremul_4x16le__src_over; |
| } |
| return NULL; |
| |
| case WUFFS_BASE__PIXEL_FORMAT__BGRA_NONPREMUL: |
| switch (blend) { |
| case WUFFS_BASE__PIXEL_BLEND__SRC: |
| 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; |
| } |
| return NULL; |
| |
| case WUFFS_BASE__PIXEL_FORMAT__BGRA_NONPREMUL_4X16LE: |
| switch (blend) { |
| case WUFFS_BASE__PIXEL_BLEND__SRC: |
| return wuffs_base__pixel_swizzler__copy_8_8; |
| case WUFFS_BASE__PIXEL_BLEND__SRC_OVER: |
| return wuffs_base__pixel_swizzler__bgra_nonpremul_4x16le__bgra_nonpremul_4x16le__src_over; |
| } |
| return NULL; |
| |
| case WUFFS_BASE__PIXEL_FORMAT__BGRA_PREMUL: |
| switch (blend) { |
| case WUFFS_BASE__PIXEL_BLEND__SRC: |
| return wuffs_base__pixel_swizzler__bgra_premul__bgra_nonpremul_4x16le__src; |
| case WUFFS_BASE__PIXEL_BLEND__SRC_OVER: |
| return wuffs_base__pixel_swizzler__bgra_premul__bgra_nonpremul_4x16le__src_over; |
| } |
| return NULL; |
| |
| case WUFFS_BASE__PIXEL_FORMAT__BGRA_BINARY: |
| case WUFFS_BASE__PIXEL_FORMAT__BGRX: |
| // TODO. |
| 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. |
| break; |
| } |
| return NULL; |
| } |
| |
| static wuffs_base__pixel_swizzler__func // |
| wuffs_base__pixel_swizzler__prepare__bgra_premul( |
| wuffs_base__pixel_swizzler* p, |
| wuffs_base__pixel_format dst_pixfmt, |
| wuffs_base__slice_u8 dst_palette, |
| wuffs_base__slice_u8 src_palette, |
| wuffs_base__pixel_blend blend) { |
| switch (dst_pixfmt.repr) { |
| case WUFFS_BASE__PIXEL_FORMAT__BGR_565: |
| switch (blend) { |
| case WUFFS_BASE__PIXEL_BLEND__SRC: |
| return wuffs_base__pixel_swizzler__bgr_565__bgra_premul__src; |
| case WUFFS_BASE__PIXEL_BLEND__SRC_OVER: |
| return wuffs_base__pixel_swizzler__bgr_565__bgra_premul__src_over; |
| } |
| return NULL; |
| |
| case WUFFS_BASE__PIXEL_FORMAT__BGR: |
| switch (blend) { |
| case WUFFS_BASE__PIXEL_BLEND__SRC: |
| return wuffs_base__pixel_swizzler__bgr__bgra_premul__src; |
| case WUFFS_BASE__PIXEL_BLEND__SRC_OVER: |
| return wuffs_base__pixel_swizzler__bgr__bgra_premul__src_over; |
| } |
| return NULL; |
| |
| case WUFFS_BASE__PIXEL_FORMAT__BGRA_NONPREMUL: |
| switch (blend) { |
| case WUFFS_BASE__PIXEL_BLEND__SRC: |
| return wuffs_base__pixel_swizzler__bgra_nonpremul__bgra_premul__src; |
| case WUFFS_BASE__PIXEL_BLEND__SRC_OVER: |
| return wuffs_base__pixel_swizzler__bgra_nonpremul__bgra_premul__src_over; |
| } |
| return NULL; |
| |
| case WUFFS_BASE__PIXEL_FORMAT__BGRA_NONPREMUL_4X16LE: |
| switch (blend) { |
| case WUFFS_BASE__PIXEL_BLEND__SRC: |
| return wuffs_base__pixel_swizzler__bgra_nonpremul_4x16le__bgra_premul__src; |
| case WUFFS_BASE__PIXEL_BLEND__SRC_OVER: |
| return wuffs_base__pixel_swizzler__bgra_nonpremul_4x16le__bgra_premul__src_over; |
| } |
| return NULL; |
| |
| case WUFFS_BASE__PIXEL_FORMAT__BGRA_PREMUL: |
| 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_premul__bgra_premul__src_over; |
| } |
| return NULL; |
| |
| case WUFFS_BASE__PIXEL_FORMAT__RGBA_NONPREMUL: |
| switch (blend) { |
| case WUFFS_BASE__PIXEL_BLEND__SRC: |
| return wuffs_base__pixel_swizzler__bgra_nonpremul__rgba_premul__src; |
| case WUFFS_BASE__PIXEL_BLEND__SRC_OVER: |
| return wuffs_base__pixel_swizzler__bgra_nonpremul__rgba_premul__src_over; |
| } |
| return NULL; |
| |
| case WUFFS_BASE__PIXEL_FORMAT__RGBA_PREMUL: |
| 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_premul__rgba_premul__src_over; |
| } |
| return NULL; |
| } |
| return NULL; |
| } |
| |
| static wuffs_base__pixel_swizzler__func // |
| wuffs_base__pixel_swizzler__prepare__bgrx(wuffs_base__pixel_swizzler* p, |
| wuffs_base__pixel_format dst_pixfmt, |
| wuffs_base__slice_u8 dst_palette, |
| wuffs_base__slice_u8 src_palette, |
| wuffs_base__pixel_blend blend) { |
| switch (dst_pixfmt.repr) { |
| case WUFFS_BASE__PIXEL_FORMAT__BGR_565: |
| return wuffs_base__pixel_swizzler__bgr_565__bgrx; |
| |
| case WUFFS_BASE__PIXEL_FORMAT__BGR: |
| return wuffs_base__pixel_swizzler__xxx__xxxx; |
| |
| case WUFFS_BASE__PIXEL_FORMAT__BGRA_NONPREMUL: |
| case WUFFS_BASE__PIXEL_FORMAT__BGRA_PREMUL: |
| case WUFFS_BASE__PIXEL_FORMAT__BGRA_BINARY: |
| return wuffs_base__pixel_swizzler__bgrw__bgrx; |
| |
| case WUFFS_BASE__PIXEL_FORMAT__BGRA_NONPREMUL_4X16LE: |
| return wuffs_base__pixel_swizzler__bgrw_4x16le__bgrx; |
| |
| case WUFFS_BASE__PIXEL_FORMAT__BGRX: |
| 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: |
| return wuffs_base__pixel_swizzler__bgrw__rgbx; |
| } |
| return NULL; |
| } |
| |
| static wuffs_base__pixel_swizzler__func // |
| wuffs_base__pixel_swizzler__prepare__rgb(wuffs_base__pixel_swizzler* p, |
| wuffs_base__pixel_format dst_pixfmt, |
| wuffs_base__slice_u8 dst_palette, |
| wuffs_base__slice_u8 src_palette, |
| wuffs_base__pixel_blend blend) { |
| switch (dst_pixfmt.repr) { |
| case WUFFS_BASE__PIXEL_FORMAT__BGR_565: |
| return wuffs_base__pixel_swizzler__bgr_565__rgb; |
| |
| case WUFFS_BASE__PIXEL_FORMAT__BGR: |
| return wuffs_base__pixel_swizzler__swap_rgb_bgr; |
| |
| case WUFFS_BASE__PIXEL_FORMAT__BGRA_NONPREMUL: |
| case WUFFS_BASE__PIXEL_FORMAT__BGRA_PREMUL: |
| case WUFFS_BASE__PIXEL_FORMAT__BGRA_BINARY: |
| case WUFFS_BASE__PIXEL_FORMAT__BGRX: |
| #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; |
| |
| case WUFFS_BASE__PIXEL_FORMAT__BGRA_NONPREMUL_4X16LE: |
| return wuffs_base__pixel_swizzler__bgrw_4x16le__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: |
| return wuffs_base__pixel_swizzler__bgrw__bgr; |
| } |
| return NULL; |
| } |
| |
| static wuffs_base__pixel_swizzler__func // |
| wuffs_base__pixel_swizzler__prepare__rgba_nonpremul( |
| wuffs_base__pixel_swizzler* p, |
| wuffs_base__pixel_format dst_pixfmt, |
| wuffs_base__slice_u8 dst_palette, |
| wuffs_base__slice_u8 src_palette, |
| wuffs_base__pixel_blend blend) { |
| switch (dst_pixfmt.repr) { |
| case WUFFS_BASE__PIXEL_FORMAT__BGR_565: |
| switch (blend) { |
| case WUFFS_BASE__PIXEL_BLEND__SRC: |
| return wuffs_base__pixel_swizzler__bgr_565__rgba_nonpremul__src; |
| case WUFFS_BASE__PIXEL_BLEND__SRC_OVER: |
| return wuffs_base__pixel_swizzler__bgr_565__rgba_nonpremul__src_over; |
| } |
| return NULL; |
| |
| case WUFFS_BASE__PIXEL_FORMAT__BGR: |
| switch (blend) { |
| case WUFFS_BASE__PIXEL_BLEND__SRC: |
| return wuffs_base__pixel_swizzler__bgr__rgba_nonpremul__src; |
| case WUFFS_BASE__PIXEL_BLEND__SRC_OVER: |
| return wuffs_base__pixel_swizzler__bgr__rgba_nonpremul__src_over; |
| } |
| return NULL; |
| |
| case WUFFS_BASE__PIXEL_FORMAT__BGRA_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__BGRA_NONPREMUL_4X16LE: |
| switch (blend) { |
| case WUFFS_BASE__PIXEL_BLEND__SRC: |
| return wuffs_base__pixel_swizzler__bgra_nonpremul_4x16le__rgba_nonpremul__src; |
| case WUFFS_BASE__PIXEL_BLEND__SRC_OVER: |
| return wuffs_base__pixel_swizzler__bgra_nonpremul_4x16le__rgba_nonpremul__src_over; |
| } |
| return NULL; |
| |
| case WUFFS_BASE__PIXEL_FORMAT__BGRA_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__BGRA_BINARY: |
| case WUFFS_BASE__PIXEL_FORMAT__BGRX: |
| // TODO. |
| 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. |
| break; |
| } |
| return NULL; |
| } |
| |
| // -------- |
| |
| WUFFS_BASE__MAYBE_STATIC wuffs_base__status // |
| wuffs_base__pixel_swizzler__prepare(wuffs_base__pixel_swizzler* p, |
| wuffs_base__pixel_format dst_pixfmt, |
| wuffs_base__slice_u8 dst_palette, |
| wuffs_base__pixel_format src_pixfmt, |
| wuffs_base__slice_u8 src_palette, |
| wuffs_base__pixel_blend blend) { |
| if (!p) { |
| return wuffs_base__make_status(wuffs_base__error__bad_receiver); |
| } |
| p->private_impl.func = NULL; |
| p->private_impl.transparent_black_func = NULL; |
| p->private_impl.dst_pixfmt_bytes_per_pixel = 0; |
| p->private_impl.src_pixfmt_bytes_per_pixel = 0; |
| |
| wuffs_base__pixel_swizzler__func func = NULL; |
| wuffs_base__pixel_swizzler__transparent_black_func transparent_black_func = |
| NULL; |
| |
| uint32_t dst_pixfmt_bits_per_pixel = |
| wuffs_base__pixel_format__bits_per_pixel(&dst_pixfmt); |
| if ((dst_pixfmt_bits_per_pixel == 0) || |
| ((dst_pixfmt_bits_per_pixel & 7) != 0)) { |
| return wuffs_base__make_status( |
| wuffs_base__error__unsupported_pixel_swizzler_option); |
| } |
| |
| uint32_t src_pixfmt_bits_per_pixel = |
| wuffs_base__pixel_format__bits_per_pixel(&src_pixfmt); |
| if ((src_pixfmt_bits_per_pixel == 0) || |
| ((src_pixfmt_bits_per_pixel & 7) != 0)) { |
| return wuffs_base__make_status( |
| wuffs_base__error__unsupported_pixel_swizzler_option); |
| } |
| |
| // TODO: support many more formats. |
| |
| switch (blend) { |
| case WUFFS_BASE__PIXEL_BLEND__SRC: |
| transparent_black_func = |
| wuffs_base__pixel_swizzler__transparent_black_src; |
| break; |
| |
| case WUFFS_BASE__PIXEL_BLEND__SRC_OVER: |
| transparent_black_func = |
| wuffs_base__pixel_swizzler__transparent_black_src_over; |
| break; |
| } |
| |
| switch (src_pixfmt.repr) { |
| case WUFFS_BASE__PIXEL_FORMAT__Y: |
| func = wuffs_base__pixel_swizzler__prepare__y(p, dst_pixfmt, dst_palette, |
| src_palette, blend); |
| break; |
| |
| case WUFFS_BASE__PIXEL_FORMAT__Y_16BE: |
| func = wuffs_base__pixel_swizzler__prepare__y_16be( |
| p, dst_pixfmt, dst_palette, src_palette, blend); |
| break; |
| |
| case WUFFS_BASE__PIXEL_FORMAT__INDEXED__BGRA_NONPREMUL: |
| func = wuffs_base__pixel_swizzler__prepare__indexed__bgra_nonpremul( |
| p, dst_pixfmt, dst_palette, src_palette, blend); |
| break; |
| |
| case WUFFS_BASE__PIXEL_FORMAT__INDEXED__BGRA_BINARY: |
| func = wuffs_base__pixel_swizzler__prepare__indexed__bgra_binary( |
| p, dst_pixfmt, dst_palette, src_palette, blend); |
| break; |
| |
| case WUFFS_BASE__PIXEL_FORMAT__BGR: |
| func = wuffs_base__pixel_swizzler__prepare__bgr( |
| p, dst_pixfmt, dst_palette, src_palette, blend); |
| break; |
| |
| case WUFFS_BASE__PIXEL_FORMAT__BGRA_NONPREMUL: |
| func = wuffs_base__pixel_swizzler__prepare__bgra_nonpremul( |
| p, dst_pixfmt, dst_palette, src_palette, blend); |
| break; |
| |
| case WUFFS_BASE__PIXEL_FORMAT__BGRA_NONPREMUL_4X16LE: |
| func = wuffs_base__pixel_swizzler__prepare__bgra_nonpremul_4x16le( |
| p, dst_pixfmt, dst_palette, src_palette, blend); |
| break; |
| |
| case WUFFS_BASE__PIXEL_FORMAT__BGRA_PREMUL: |
| func = wuffs_base__pixel_swizzler__prepare__bgra_premul( |
| p, dst_pixfmt, dst_palette, src_palette, blend); |
| break; |
| |
| case WUFFS_BASE__PIXEL_FORMAT__BGRX: |
| func = wuffs_base__pixel_swizzler__prepare__bgrx( |
| p, dst_pixfmt, dst_palette, src_palette, blend); |
| break; |
| |
| case WUFFS_BASE__PIXEL_FORMAT__RGB: |
| func = wuffs_base__pixel_swizzler__prepare__rgb( |
| p, dst_pixfmt, dst_palette, src_palette, blend); |
| break; |
| |
| case WUFFS_BASE__PIXEL_FORMAT__RGBA_NONPREMUL: |
| func = wuffs_base__pixel_swizzler__prepare__rgba_nonpremul( |
| p, dst_pixfmt, dst_palette, src_palette, blend); |
| break; |
| } |
| |
| p->private_impl.func = func; |
| p->private_impl.transparent_black_func = transparent_black_func; |
| p->private_impl.dst_pixfmt_bytes_per_pixel = dst_pixfmt_bits_per_pixel / 8; |
| p->private_impl.src_pixfmt_bytes_per_pixel = src_pixfmt_bits_per_pixel / 8; |
| return wuffs_base__make_status( |
| func ? NULL : wuffs_base__error__unsupported_pixel_swizzler_option); |
| } |
| |
| WUFFS_BASE__MAYBE_STATIC uint64_t // |
| wuffs_base__pixel_swizzler__limited_swizzle_u32_interleaved_from_reader( |
| const wuffs_base__pixel_swizzler* p, |
| uint32_t up_to_num_pixels, |
| wuffs_base__slice_u8 dst, |
| wuffs_base__slice_u8 dst_palette, |
| const uint8_t** ptr_iop_r, |
| const uint8_t* io2_r) { |
| if (p && p->private_impl.func) { |
| const uint8_t* iop_r = *ptr_iop_r; |
| uint64_t src_len = wuffs_base__u64__min( |
| ((uint64_t)up_to_num_pixels) * |
| ((uint64_t)p->private_impl.src_pixfmt_bytes_per_pixel), |
| ((uint64_t)(io2_r - iop_r))); |
| uint64_t n = |
| (*p->private_impl.func)(dst.ptr, dst.len, dst_palette.ptr, |
| dst_palette.len, iop_r, (size_t)src_len); |
| *ptr_iop_r += n * p->private_impl.src_pixfmt_bytes_per_pixel; |
| return n; |
| } |
| return 0; |
| } |
| |
| WUFFS_BASE__MAYBE_STATIC uint64_t // |
| wuffs_base__pixel_swizzler__swizzle_interleaved_from_reader( |
| const wuffs_base__pixel_swizzler* p, |
| wuffs_base__slice_u8 dst, |
| wuffs_base__slice_u8 dst_palette, |
| const uint8_t** ptr_iop_r, |
| const uint8_t* io2_r) { |
| if (p && p->private_impl.func) { |
| const uint8_t* iop_r = *ptr_iop_r; |
| uint64_t src_len = ((uint64_t)(io2_r - iop_r)); |
| uint64_t n = |
| (*p->private_impl.func)(dst.ptr, dst.len, dst_palette.ptr, |
| dst_palette.len, iop_r, (size_t)src_len); |
| *ptr_iop_r += n * p->private_impl.src_pixfmt_bytes_per_pixel; |
| return n; |
| } |
| return 0; |
| } |
| |
| WUFFS_BASE__MAYBE_STATIC uint64_t // |
| wuffs_base__pixel_swizzler__swizzle_interleaved_from_slice( |
| const wuffs_base__pixel_swizzler* p, |
| wuffs_base__slice_u8 dst, |
| wuffs_base__slice_u8 dst_palette, |
| wuffs_base__slice_u8 src) { |
| if (p && p->private_impl.func) { |
| return (*p->private_impl.func)(dst.ptr, dst.len, dst_palette.ptr, |
| dst_palette.len, src.ptr, src.len); |
| } |
| return 0; |
| } |
| |
| WUFFS_BASE__MAYBE_STATIC uint64_t // |
| wuffs_base__pixel_swizzler__swizzle_interleaved_transparent_black( |
| const wuffs_base__pixel_swizzler* p, |
| wuffs_base__slice_u8 dst, |
| wuffs_base__slice_u8 dst_palette, |
| uint64_t num_pixels) { |
| if (p && p->private_impl.transparent_black_func) { |
| return (*p->private_impl.transparent_black_func)( |
| dst.ptr, dst.len, dst_palette.ptr, dst_palette.len, num_pixels, |
| p->private_impl.dst_pixfmt_bytes_per_pixel); |
| } |
| return 0; |
| } |
