| /* |
| * |
| * Copyright © 2000 Keith Packard, member of The XFree86 Project, Inc. |
| * 2005 Lars Knoll & Zack Rusin, Trolltech |
| * 2008 Aaron Plattner, NVIDIA Corporation |
| * |
| * Permission to use, copy, modify, distribute, and sell this software and its |
| * documentation for any purpose is hereby granted without fee, provided that |
| * the above copyright notice appear in all copies and that both that |
| * copyright notice and this permission notice appear in supporting |
| * documentation, and that the name of Keith Packard not be used in |
| * advertising or publicity pertaining to distribution of the software without |
| * specific, written prior permission. Keith Packard makes no |
| * representations about the suitability of this software for any purpose. It |
| * is provided "as is" without express or implied warranty. |
| * |
| * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS |
| * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND |
| * FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY |
| * SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
| * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN |
| * AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING |
| * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS |
| * SOFTWARE. |
| */ |
| |
| #ifdef HAVE_CONFIG_H |
| #include <config.h> |
| #endif |
| |
| #include <stdlib.h> |
| #include <string.h> |
| #include <assert.h> |
| |
| #include "pixman-private.h" |
| #include "pixman-accessor.h" |
| |
| #define CONVERT_RGB24_TO_Y15(s) \ |
| (((((s) >> 16) & 0xff) * 153 + \ |
| (((s) >> 8) & 0xff) * 301 + \ |
| (((s) ) & 0xff) * 58) >> 2) |
| |
| #define CONVERT_RGB24_TO_RGB15(s) \ |
| ((((s) >> 3) & 0x001f) | \ |
| (((s) >> 6) & 0x03e0) | \ |
| (((s) >> 9) & 0x7c00)) |
| |
| #define RGB15_TO_ENTRY(mif,rgb15) \ |
| ((mif)->ent[rgb15]) |
| |
| #define RGB24_TO_ENTRY(mif,rgb24) \ |
| RGB15_TO_ENTRY (mif,CONVERT_RGB24_TO_RGB15 (rgb24)) |
| |
| #define RGB24_TO_ENTRY_Y(mif,rgb24) \ |
| ((mif)->ent[CONVERT_RGB24_TO_Y15 (rgb24)]) |
| |
| /* |
| * YV12 setup and access macros |
| */ |
| |
| #define YV12_SETUP(image) \ |
| bits_image_t *__bits_image = (bits_image_t *)image; \ |
| uint32_t *bits = __bits_image->bits; \ |
| int stride = __bits_image->rowstride; \ |
| int offset0 = stride < 0 ? \ |
| ((-stride) >> 1) * ((__bits_image->height - 1) >> 1) - stride : \ |
| stride * __bits_image->height; \ |
| int offset1 = stride < 0 ? \ |
| offset0 + ((-stride) >> 1) * ((__bits_image->height) >> 1) : \ |
| offset0 + (offset0 >> 2) |
| |
| /* Note no trailing semicolon on the above macro; if it's there, then |
| * the typical usage of YV12_SETUP(image); will have an extra trailing ; |
| * that some compilers will interpret as a statement -- and then any further |
| * variable declarations will cause an error. |
| */ |
| |
| #define YV12_Y(line) \ |
| ((uint8_t *) ((bits) + (stride) * (line))) |
| |
| #define YV12_U(line) \ |
| ((uint8_t *) ((bits) + offset1 + \ |
| ((stride) >> 1) * ((line) >> 1))) |
| |
| #define YV12_V(line) \ |
| ((uint8_t *) ((bits) + offset0 + \ |
| ((stride) >> 1) * ((line) >> 1))) |
| |
| /********************************** Fetch ************************************/ |
| |
| static void |
| fetch_scanline_a8r8g8b8 (pixman_image_t *image, |
| int x, |
| int y, |
| int width, |
| uint32_t * buffer, |
| const uint32_t *mask, |
| uint32_t mask_bits) |
| { |
| const uint32_t *bits = image->bits.bits + y * image->bits.rowstride; |
| |
| MEMCPY_WRAPPED (image, |
| buffer, (const uint32_t *)bits + x, |
| width * sizeof(uint32_t)); |
| } |
| |
| static void |
| fetch_scanline_x8r8g8b8 (pixman_image_t *image, |
| int x, |
| int y, |
| int width, |
| uint32_t * buffer, |
| const uint32_t *mask, |
| uint32_t mask_bits) |
| { |
| const uint32_t *bits = image->bits.bits + y * image->bits.rowstride; |
| const uint32_t *pixel = (const uint32_t *)bits + x; |
| const uint32_t *end = pixel + width; |
| |
| while (pixel < end) |
| *buffer++ = READ (image, pixel++) | 0xff000000; |
| } |
| |
| static void |
| fetch_scanline_a8b8g8r8 (pixman_image_t *image, |
| int x, |
| int y, |
| int width, |
| uint32_t * buffer, |
| const uint32_t *mask, |
| uint32_t mask_bits) |
| { |
| const uint32_t *bits = image->bits.bits + y * image->bits.rowstride; |
| const uint32_t *pixel = (uint32_t *)bits + x; |
| const uint32_t *end = pixel + width; |
| |
| while (pixel < end) |
| { |
| uint32_t p = READ (image, pixel++); |
| |
| *buffer++ = (p & 0xff00ff00) | |
| ((p >> 16) & 0xff) | |
| ((p & 0xff) << 16); |
| } |
| } |
| |
| static void |
| fetch_scanline_x8b8g8r8 (pixman_image_t *image, |
| int x, |
| int y, |
| int width, |
| uint32_t * buffer, |
| const uint32_t *mask, |
| uint32_t mask_bits) |
| { |
| const uint32_t *bits = image->bits.bits + y * image->bits.rowstride; |
| const uint32_t *pixel = (uint32_t *)bits + x; |
| const uint32_t *end = pixel + width; |
| |
| while (pixel < end) |
| { |
| uint32_t p = READ (image, pixel++); |
| |
| *buffer++ = 0xff000000 | |
| (p & 0x0000ff00) | |
| ((p >> 16) & 0xff) | |
| ((p & 0xff) << 16); |
| } |
| } |
| |
| static void |
| fetch_scanline_b8g8r8a8 (pixman_image_t *image, |
| int x, |
| int y, |
| int width, |
| uint32_t * buffer, |
| const uint32_t *mask, |
| uint32_t mask_bits) |
| { |
| const uint32_t *bits = image->bits.bits + y * image->bits.rowstride; |
| const uint32_t *pixel = (uint32_t *)bits + x; |
| const uint32_t *end = pixel + width; |
| |
| while (pixel < end) |
| { |
| uint32_t p = READ (image, pixel++); |
| |
| *buffer++ = (((p & 0xff000000) >> 24) | |
| ((p & 0x00ff0000) >> 8) | |
| ((p & 0x0000ff00) << 8) | |
| ((p & 0x000000ff) << 24)); |
| } |
| } |
| |
| static void |
| fetch_scanline_b8g8r8x8 (pixman_image_t *image, |
| int x, |
| int y, |
| int width, |
| uint32_t * buffer, |
| const uint32_t *mask, |
| uint32_t mask_bits) |
| { |
| const uint32_t *bits = image->bits.bits + y * image->bits.rowstride; |
| const uint32_t *pixel = (uint32_t *)bits + x; |
| const uint32_t *end = pixel + width; |
| |
| while (pixel < end) |
| { |
| uint32_t p = READ (image, pixel++); |
| |
| *buffer++ = (0xff000000 | |
| ((p & 0xff000000) >> 24) | |
| ((p & 0x00ff0000) >> 8) | |
| ((p & 0x0000ff00) << 8)); |
| } |
| } |
| |
| /* Expects a uint64_t buffer */ |
| static void |
| fetch_scanline_a2r10g10b10 (pixman_image_t *image, |
| int x, |
| int y, |
| int width, |
| uint32_t * b, |
| const uint32_t *mask, |
| uint32_t mask_bits) |
| { |
| const uint32_t *bits = image->bits.bits + y * image->bits.rowstride; |
| const uint32_t *pixel = bits + x; |
| const uint32_t *end = pixel + width; |
| uint64_t *buffer = (uint64_t *)b; |
| |
| while (pixel < end) |
| { |
| uint32_t p = READ (image, pixel++); |
| uint64_t a = p >> 30; |
| uint64_t r = (p >> 20) & 0x3ff; |
| uint64_t g = (p >> 10) & 0x3ff; |
| uint64_t b = p & 0x3ff; |
| |
| r = r << 6 | r >> 4; |
| g = g << 6 | g >> 4; |
| b = b << 6 | b >> 4; |
| |
| a <<= 14; |
| a |= a >> 2; |
| a |= a >> 4; |
| a |= a >> 8; |
| |
| *buffer++ = a << 48 | r << 32 | g << 16 | b; |
| } |
| } |
| |
| /* Expects a uint64_t buffer */ |
| static void |
| fetch_scanline_x2r10g10b10 (pixman_image_t *image, |
| int x, |
| int y, |
| int width, |
| uint32_t * b, |
| const uint32_t *mask, |
| uint32_t mask_bits) |
| { |
| const uint32_t *bits = image->bits.bits + y * image->bits.rowstride; |
| const uint32_t *pixel = (uint32_t *)bits + x; |
| const uint32_t *end = pixel + width; |
| uint64_t *buffer = (uint64_t *)b; |
| |
| while (pixel < end) |
| { |
| uint32_t p = READ (image, pixel++); |
| uint64_t r = (p >> 20) & 0x3ff; |
| uint64_t g = (p >> 10) & 0x3ff; |
| uint64_t b = p & 0x3ff; |
| |
| r = r << 6 | r >> 4; |
| g = g << 6 | g >> 4; |
| b = b << 6 | b >> 4; |
| |
| *buffer++ = 0xffffULL << 48 | r << 32 | g << 16 | b; |
| } |
| } |
| |
| /* Expects a uint64_t buffer */ |
| static void |
| fetch_scanline_a2b10g10r10 (pixman_image_t *image, |
| int x, |
| int y, |
| int width, |
| uint32_t * b, |
| const uint32_t *mask, |
| uint32_t mask_bits) |
| { |
| const uint32_t *bits = image->bits.bits + y * image->bits.rowstride; |
| const uint32_t *pixel = bits + x; |
| const uint32_t *end = pixel + width; |
| uint64_t *buffer = (uint64_t *)b; |
| |
| while (pixel < end) |
| { |
| uint32_t p = READ (image, pixel++); |
| uint64_t a = p >> 30; |
| uint64_t b = (p >> 20) & 0x3ff; |
| uint64_t g = (p >> 10) & 0x3ff; |
| uint64_t r = p & 0x3ff; |
| |
| r = r << 6 | r >> 4; |
| g = g << 6 | g >> 4; |
| b = b << 6 | b >> 4; |
| |
| a <<= 14; |
| a |= a >> 2; |
| a |= a >> 4; |
| a |= a >> 8; |
| |
| *buffer++ = a << 48 | r << 32 | g << 16 | b; |
| } |
| } |
| |
| /* Expects a uint64_t buffer */ |
| static void |
| fetch_scanline_x2b10g10r10 (pixman_image_t *image, |
| int x, |
| int y, |
| int width, |
| uint32_t * b, |
| const uint32_t *mask, |
| uint32_t mask_bits) |
| { |
| const uint32_t *bits = image->bits.bits + y * image->bits.rowstride; |
| const uint32_t *pixel = (uint32_t *)bits + x; |
| const uint32_t *end = pixel + width; |
| uint64_t *buffer = (uint64_t *)b; |
| |
| while (pixel < end) |
| { |
| uint32_t p = READ (image, pixel++); |
| uint64_t b = (p >> 20) & 0x3ff; |
| uint64_t g = (p >> 10) & 0x3ff; |
| uint64_t r = p & 0x3ff; |
| |
| r = r << 6 | r >> 4; |
| g = g << 6 | g >> 4; |
| b = b << 6 | b >> 4; |
| |
| *buffer++ = 0xffffULL << 48 | r << 32 | g << 16 | b; |
| } |
| } |
| |
| static void |
| fetch_scanline_r8g8b8 (pixman_image_t *image, |
| int x, |
| int y, |
| int width, |
| uint32_t * buffer, |
| const uint32_t *mask, |
| uint32_t mask_bits) |
| { |
| const uint32_t *bits = image->bits.bits + y * image->bits.rowstride; |
| const uint8_t *pixel = (const uint8_t *)bits + 3 * x; |
| const uint8_t *end = pixel + 3 * width; |
| |
| while (pixel < end) |
| { |
| uint32_t b = 0xff000000; |
| |
| #ifdef WORDS_BIGENDIAN |
| b |= (READ (image, pixel++) << 16); |
| b |= (READ (image, pixel++) << 8); |
| b |= (READ (image, pixel++)); |
| #else |
| b |= (READ (image, pixel++)); |
| b |= (READ (image, pixel++) << 8); |
| b |= (READ (image, pixel++) << 16); |
| #endif |
| |
| *buffer++ = b; |
| } |
| } |
| |
| static void |
| fetch_scanline_b8g8r8 (pixman_image_t *image, |
| int x, |
| int y, |
| int width, |
| uint32_t * buffer, |
| const uint32_t *mask, |
| uint32_t mask_bits) |
| { |
| const uint32_t *bits = image->bits.bits + y * image->bits.rowstride; |
| const uint8_t *pixel = (const uint8_t *)bits + 3 * x; |
| const uint8_t *end = pixel + 3 * width; |
| |
| while (pixel < end) |
| { |
| uint32_t b = 0xff000000; |
| #ifdef WORDS_BIGENDIAN |
| b |= (READ (image, pixel++)); |
| b |= (READ (image, pixel++) << 8); |
| b |= (READ (image, pixel++) << 16); |
| #else |
| b |= (READ (image, pixel++) << 16); |
| b |= (READ (image, pixel++) << 8); |
| b |= (READ (image, pixel++)); |
| #endif |
| *buffer++ = b; |
| } |
| } |
| |
| static void |
| fetch_scanline_r5g6b5 (pixman_image_t *image, |
| int x, |
| int y, |
| int width, |
| uint32_t * buffer, |
| const uint32_t *mask, |
| uint32_t mask_bits) |
| { |
| const uint32_t *bits = image->bits.bits + y * image->bits.rowstride; |
| const uint16_t *pixel = (const uint16_t *)bits + x; |
| const uint16_t *end = pixel + width; |
| |
| while (pixel < end) |
| { |
| uint32_t p = READ (image, pixel++); |
| uint32_t r = (((p) << 3) & 0xf8) | |
| (((p) << 5) & 0xfc00) | |
| (((p) << 8) & 0xf80000); |
| |
| r |= (r >> 5) & 0x70007; |
| r |= (r >> 6) & 0x300; |
| |
| *buffer++ = 0xff000000 | r; |
| } |
| } |
| |
| static void |
| fetch_scanline_b5g6r5 (pixman_image_t *image, |
| int x, |
| int y, |
| int width, |
| uint32_t * buffer, |
| const uint32_t *mask, |
| uint32_t mask_bits) |
| { |
| const uint32_t *bits = image->bits.bits + y * image->bits.rowstride; |
| const uint16_t *pixel = (const uint16_t *)bits + x; |
| const uint16_t *end = pixel + width; |
| |
| while (pixel < end) |
| { |
| uint32_t p = READ (image, pixel++); |
| uint32_t r, g, b; |
| |
| b = ((p & 0xf800) | ((p & 0xe000) >> 5)) >> 8; |
| g = ((p & 0x07e0) | ((p & 0x0600) >> 6)) << 5; |
| r = ((p & 0x001c) | ((p & 0x001f) << 5)) << 14; |
| |
| *buffer++ = 0xff000000 | r | g | b; |
| } |
| } |
| |
| static void |
| fetch_scanline_a1r5g5b5 (pixman_image_t *image, |
| int x, |
| int y, |
| int width, |
| uint32_t * buffer, |
| const uint32_t *mask, |
| uint32_t mask_bits) |
| { |
| const uint32_t *bits = image->bits.bits + y * image->bits.rowstride; |
| const uint16_t *pixel = (const uint16_t *)bits + x; |
| const uint16_t *end = pixel + width; |
| |
| while (pixel < end) |
| { |
| uint32_t p = READ (image, pixel++); |
| uint32_t r, g, b, a; |
| |
| a = (uint32_t) ((uint8_t) (0 - ((p & 0x8000) >> 15))) << 24; |
| r = ((p & 0x7c00) | ((p & 0x7000) >> 5)) << 9; |
| g = ((p & 0x03e0) | ((p & 0x0380) >> 5)) << 6; |
| b = ((p & 0x001c) | ((p & 0x001f) << 5)) >> 2; |
| |
| *buffer++ = a | r | g | b; |
| } |
| } |
| |
| static void |
| fetch_scanline_x1r5g5b5 (pixman_image_t *image, |
| int x, |
| int y, |
| int width, |
| uint32_t * buffer, |
| const uint32_t *mask, |
| uint32_t mask_bits) |
| { |
| const uint32_t *bits = image->bits.bits + y * image->bits.rowstride; |
| const uint16_t *pixel = (const uint16_t *)bits + x; |
| const uint16_t *end = pixel + width; |
| |
| while (pixel < end) |
| { |
| uint32_t p = READ (image, pixel++); |
| uint32_t r, g, b; |
| |
| r = ((p & 0x7c00) | ((p & 0x7000) >> 5)) << 9; |
| g = ((p & 0x03e0) | ((p & 0x0380) >> 5)) << 6; |
| b = ((p & 0x001c) | ((p & 0x001f) << 5)) >> 2; |
| |
| *buffer++ = 0xff000000 | r | g | b; |
| } |
| } |
| |
| static void |
| fetch_scanline_a1b5g5r5 (pixman_image_t *image, |
| int x, |
| int y, |
| int width, |
| uint32_t * buffer, |
| const uint32_t *mask, |
| uint32_t mask_bits) |
| { |
| const uint32_t *bits = image->bits.bits + y * image->bits.rowstride; |
| const uint16_t *pixel = (const uint16_t *)bits + x; |
| const uint16_t *end = pixel + width; |
| uint32_t r, g, b, a; |
| |
| while (pixel < end) |
| { |
| uint32_t p = READ (image, pixel++); |
| |
| a = (uint32_t) ((uint8_t) (0 - ((p & 0x8000) >> 15))) << 24; |
| b = ((p & 0x7c00) | ((p & 0x7000) >> 5)) >> 7; |
| g = ((p & 0x03e0) | ((p & 0x0380) >> 5)) << 6; |
| r = ((p & 0x001c) | ((p & 0x001f) << 5)) << 14; |
| |
| *buffer++ = a | r | g | b; |
| } |
| } |
| |
| static void |
| fetch_scanline_x1b5g5r5 (pixman_image_t *image, |
| int x, |
| int y, |
| int width, |
| uint32_t * buffer, |
| const uint32_t *mask, |
| uint32_t mask_bits) |
| { |
| const uint32_t *bits = image->bits.bits + y * image->bits.rowstride; |
| const uint16_t *pixel = (const uint16_t *)bits + x; |
| const uint16_t *end = pixel + width; |
| |
| while (pixel < end) |
| { |
| uint32_t p = READ (image, pixel++); |
| uint32_t r, g, b; |
| |
| b = ((p & 0x7c00) | ((p & 0x7000) >> 5)) >> 7; |
| g = ((p & 0x03e0) | ((p & 0x0380) >> 5)) << 6; |
| r = ((p & 0x001c) | ((p & 0x001f) << 5)) << 14; |
| |
| *buffer++ = 0xff000000 | r | g | b; |
| } |
| } |
| |
| static void |
| fetch_scanline_a4r4g4b4 (pixman_image_t *image, |
| int x, |
| int y, |
| int width, |
| uint32_t * buffer, |
| const uint32_t *mask, |
| uint32_t mask_bits) |
| { |
| const uint32_t *bits = image->bits.bits + y * image->bits.rowstride; |
| const uint16_t *pixel = (const uint16_t *)bits + x; |
| const uint16_t *end = pixel + width; |
| |
| while (pixel < end) |
| { |
| uint32_t p = READ (image, pixel++); |
| uint32_t r, g, b, a; |
| |
| a = ((p & 0xf000) | ((p & 0xf000) >> 4)) << 16; |
| r = ((p & 0x0f00) | ((p & 0x0f00) >> 4)) << 12; |
| g = ((p & 0x00f0) | ((p & 0x00f0) >> 4)) << 8; |
| b = ((p & 0x000f) | ((p & 0x000f) << 4)); |
| |
| *buffer++ = a | r | g | b; |
| } |
| } |
| |
| static void |
| fetch_scanline_x4r4g4b4 (pixman_image_t *image, |
| int x, |
| int y, |
| int width, |
| uint32_t * buffer, |
| const uint32_t *mask, |
| uint32_t mask_bits) |
| { |
| const uint32_t *bits = image->bits.bits + y * image->bits.rowstride; |
| const uint16_t *pixel = (const uint16_t *)bits + x; |
| const uint16_t *end = pixel + width; |
| |
| while (pixel < end) |
| { |
| uint32_t p = READ (image, pixel++); |
| uint32_t r, g, b; |
| |
| r = ((p & 0x0f00) | ((p & 0x0f00) >> 4)) << 12; |
| g = ((p & 0x00f0) | ((p & 0x00f0) >> 4)) << 8; |
| b = ((p & 0x000f) | ((p & 0x000f) << 4)); |
| |
| *buffer++ = 0xff000000 | r | g | b; |
| } |
| } |
| |
| static void |
| fetch_scanline_a4b4g4r4 (pixman_image_t *image, |
| int x, |
| int y, |
| int width, |
| uint32_t * buffer, |
| const uint32_t *mask, |
| uint32_t mask_bits) |
| { |
| const uint32_t *bits = image->bits.bits + y * image->bits.rowstride; |
| const uint16_t *pixel = (const uint16_t *)bits + x; |
| const uint16_t *end = pixel + width; |
| |
| while (pixel < end) |
| { |
| uint32_t p = READ (image, pixel++); |
| uint32_t r, g, b, a; |
| |
| a = ((p & 0xf000) | ((p & 0xf000) >> 4)) << 16; |
| b = ((p & 0x0f00) | ((p & 0x0f00) >> 4)) >> 4; |
| g = ((p & 0x00f0) | ((p & 0x00f0) >> 4)) << 8; |
| r = ((p & 0x000f) | ((p & 0x000f) << 4)) << 16; |
| |
| *buffer++ = a | r | g | b; |
| } |
| } |
| |
| static void |
| fetch_scanline_x4b4g4r4 (pixman_image_t *image, |
| int x, |
| int y, |
| int width, |
| uint32_t * buffer, |
| const uint32_t *mask, |
| uint32_t mask_bits) |
| { |
| const uint32_t *bits = image->bits.bits + y * image->bits.rowstride; |
| const uint16_t *pixel = (const uint16_t *)bits + x; |
| const uint16_t *end = pixel + width; |
| |
| while (pixel < end) |
| { |
| uint32_t p = READ (image, pixel++); |
| uint32_t r, g, b; |
| |
| b = ((p & 0x0f00) | ((p & 0x0f00) >> 4)) >> 4; |
| g = ((p & 0x00f0) | ((p & 0x00f0) >> 4)) << 8; |
| r = ((p & 0x000f) | ((p & 0x000f) << 4)) << 16; |
| |
| *buffer++ = 0xff000000 | r | g | b; |
| } |
| } |
| |
| static void |
| fetch_scanline_a8 (pixman_image_t *image, |
| int x, |
| int y, |
| int width, |
| uint32_t * buffer, |
| const uint32_t *mask, |
| uint32_t mask_bits) |
| { |
| const uint32_t *bits = image->bits.bits + y * image->bits.rowstride; |
| const uint8_t *pixel = (const uint8_t *)bits + x; |
| const uint8_t *end = pixel + width; |
| |
| while (pixel < end) |
| *buffer++ = READ (image, pixel++) << 24; |
| } |
| |
| static void |
| fetch_scanline_r3g3b2 (pixman_image_t *image, |
| int x, |
| int y, |
| int width, |
| uint32_t * buffer, |
| const uint32_t *mask, |
| uint32_t mask_bits) |
| { |
| const uint32_t *bits = image->bits.bits + y * image->bits.rowstride; |
| const uint8_t *pixel = (const uint8_t *)bits + x; |
| const uint8_t *end = pixel + width; |
| |
| while (pixel < end) |
| { |
| uint32_t p = READ (image, pixel++); |
| uint32_t r, g, b; |
| |
| r = ((p & 0xe0) | ((p & 0xe0) >> 3) | ((p & 0xc0) >> 6)) << 16; |
| g = ((p & 0x1c) | ((p & 0x18) >> 3) | ((p & 0x1c) << 3)) << 8; |
| b = (((p & 0x03) ) | |
| ((p & 0x03) << 2) | |
| ((p & 0x03) << 4) | |
| ((p & 0x03) << 6)); |
| |
| *buffer++ = 0xff000000 | r | g | b; |
| } |
| } |
| |
| static void |
| fetch_scanline_b2g3r3 (pixman_image_t *image, |
| int x, |
| int y, |
| int width, |
| uint32_t * buffer, |
| const uint32_t *mask, |
| uint32_t mask_bits) |
| { |
| const uint32_t *bits = image->bits.bits + y * image->bits.rowstride; |
| const uint8_t *pixel = (const uint8_t *)bits + x; |
| const uint8_t *end = pixel + width; |
| |
| while (pixel < end) |
| { |
| uint32_t p = READ (image, pixel++); |
| uint32_t r, g, b; |
| |
| b = p & 0xc0; |
| b |= b >> 2; |
| b |= b >> 4; |
| b &= 0xff; |
| |
| g = (p & 0x38) << 10; |
| g |= g >> 3; |
| g |= g >> 6; |
| g &= 0xff00; |
| |
| r = (p & 0x7) << 21; |
| r |= r >> 3; |
| r |= r >> 6; |
| r &= 0xff0000; |
| |
| *buffer++ = 0xff000000 | r | g | b; |
| } |
| } |
| |
| static void |
| fetch_scanline_a2r2g2b2 (pixman_image_t *image, |
| int x, |
| int y, |
| int width, |
| uint32_t * buffer, |
| const uint32_t *mask, |
| uint32_t mask_bits) |
| { |
| const uint32_t *bits = image->bits.bits + y * image->bits.rowstride; |
| const uint8_t *pixel = (const uint8_t *)bits + x; |
| const uint8_t *end = pixel + width; |
| |
| while (pixel < end) |
| { |
| uint32_t p = READ (image, pixel++); |
| uint32_t a, r, g, b; |
| |
| a = ((p & 0xc0) * 0x55) << 18; |
| r = ((p & 0x30) * 0x55) << 12; |
| g = ((p & 0x0c) * 0x55) << 6; |
| b = ((p & 0x03) * 0x55); |
| |
| *buffer++ = a | r | g | b; |
| } |
| } |
| |
| static void |
| fetch_scanline_a2b2g2r2 (pixman_image_t *image, |
| int x, |
| int y, |
| int width, |
| uint32_t * buffer, |
| const uint32_t *mask, |
| uint32_t mask_bits) |
| { |
| const uint32_t *bits = image->bits.bits + y * image->bits.rowstride; |
| const uint8_t *pixel = (const uint8_t *)bits + x; |
| const uint8_t *end = pixel + width; |
| |
| while (pixel < end) |
| { |
| uint32_t p = READ (image, pixel++); |
| uint32_t a, r, g, b; |
| |
| a = ((p & 0xc0) * 0x55) << 18; |
| b = ((p & 0x30) * 0x55) >> 4; |
| g = ((p & 0x0c) * 0x55) << 6; |
| r = ((p & 0x03) * 0x55) << 16; |
| |
| *buffer++ = a | r | g | b; |
| } |
| } |
| |
| static void |
| fetch_scanline_c8 (pixman_image_t *image, |
| int x, |
| int y, |
| int width, |
| uint32_t * buffer, |
| const uint32_t *mask, |
| uint32_t mask_bits) |
| { |
| const uint32_t *bits = image->bits.bits + y * image->bits.rowstride; |
| const pixman_indexed_t * indexed = image->bits.indexed; |
| const uint8_t *pixel = (const uint8_t *)bits + x; |
| const uint8_t *end = pixel + width; |
| |
| while (pixel < end) |
| { |
| uint32_t p = READ (image, pixel++); |
| |
| *buffer++ = indexed->rgba[p]; |
| } |
| } |
| |
| static void |
| fetch_scanline_x4a4 (pixman_image_t *image, |
| int x, |
| int y, |
| int width, |
| uint32_t * buffer, |
| const uint32_t *mask, |
| uint32_t mask_bits) |
| { |
| const uint32_t *bits = image->bits.bits + y * image->bits.rowstride; |
| const uint8_t *pixel = (const uint8_t *)bits + x; |
| const uint8_t *end = pixel + width; |
| |
| while (pixel < end) |
| { |
| uint8_t p = READ (image, pixel++) & 0xf; |
| |
| *buffer++ = (p | (p << 4)) << 24; |
| } |
| } |
| |
| #define FETCH_8(img,l,o) (READ (img, (((uint8_t *)(l)) + ((o) >> 3)))) |
| #ifdef WORDS_BIGENDIAN |
| #define FETCH_4(img,l,o) \ |
| (((4 * (o)) & 4) ? (FETCH_8 (img,l, 4 * (o)) & 0xf) : (FETCH_8 (img,l,(4 * (o))) >> 4)) |
| #else |
| #define FETCH_4(img,l,o) \ |
| (((4 * (o)) & 4) ? (FETCH_8 (img, l, 4 * (o)) >> 4) : (FETCH_8 (img, l, (4 * (o))) & 0xf)) |
| #endif |
| |
| static void |
| fetch_scanline_a4 (pixman_image_t *image, |
| int x, |
| int y, |
| int width, |
| uint32_t * buffer, |
| const uint32_t *mask, |
| uint32_t mask_bits) |
| { |
| const uint32_t *bits = image->bits.bits + y * image->bits.rowstride; |
| int i; |
| |
| for (i = 0; i < width; ++i) |
| { |
| uint32_t p = FETCH_4 (image, bits, i + x); |
| |
| p |= p << 4; |
| |
| *buffer++ = p << 24; |
| } |
| } |
| |
| static void |
| fetch_scanline_r1g2b1 (pixman_image_t *image, |
| int x, |
| int y, |
| int width, |
| uint32_t * buffer, |
| const uint32_t *mask, |
| uint32_t mask_bits) |
| { |
| const uint32_t *bits = image->bits.bits + y * image->bits.rowstride; |
| int i; |
| |
| for (i = 0; i < width; ++i) |
| { |
| uint32_t p = FETCH_4 (image, bits, i + x); |
| uint32_t r, g, b; |
| |
| r = ((p & 0x8) * 0xff) << 13; |
| g = ((p & 0x6) * 0x55) << 7; |
| b = ((p & 0x1) * 0xff); |
| |
| *buffer++ = 0xff000000 | r | g | b; |
| } |
| } |
| |
| static void |
| fetch_scanline_b1g2r1 (pixman_image_t *image, |
| int x, |
| int y, |
| int width, |
| uint32_t * buffer, |
| const uint32_t *mask, |
| uint32_t mask_bits) |
| { |
| const uint32_t *bits = image->bits.bits + y * image->bits.rowstride; |
| int i; |
| |
| for (i = 0; i < width; ++i) |
| { |
| uint32_t p = FETCH_4 (image, bits, i + x); |
| uint32_t r, g, b; |
| |
| b = ((p & 0x8) * 0xff) >> 3; |
| g = ((p & 0x6) * 0x55) << 7; |
| r = ((p & 0x1) * 0xff) << 16; |
| |
| *buffer++ = 0xff000000 | r | g | b; |
| } |
| } |
| |
| static void |
| fetch_scanline_a1r1g1b1 (pixman_image_t *image, |
| int x, |
| int y, |
| int width, |
| uint32_t * buffer, |
| const uint32_t *mask, |
| uint32_t mask_bits) |
| { |
| uint32_t a, r, g, b; |
| const uint32_t *bits = image->bits.bits + y * image->bits.rowstride; |
| int i; |
| |
| for (i = 0; i < width; ++i) |
| { |
| uint32_t p = FETCH_4 (image, bits, i + x); |
| |
| a = ((p & 0x8) * 0xff) << 21; |
| r = ((p & 0x4) * 0xff) << 14; |
| g = ((p & 0x2) * 0xff) << 7; |
| b = ((p & 0x1) * 0xff); |
| |
| *buffer++ = a | r | g | b; |
| } |
| } |
| |
| static void |
| fetch_scanline_a1b1g1r1 (pixman_image_t *image, |
| int x, |
| int y, |
| int width, |
| uint32_t * buffer, |
| const uint32_t *mask, |
| uint32_t mask_bits) |
| { |
| const uint32_t *bits = image->bits.bits + y * image->bits.rowstride; |
| int i; |
| |
| for (i = 0; i < width; ++i) |
| { |
| uint32_t p = FETCH_4 (image, bits, i + x); |
| uint32_t a, r, g, b; |
| |
| a = ((p & 0x8) * 0xff) << 21; |
| b = ((p & 0x4) * 0xff) >> 2; |
| g = ((p & 0x2) * 0xff) << 7; |
| r = ((p & 0x1) * 0xff) << 16; |
| |
| *buffer++ = a | r | g | b; |
| } |
| } |
| |
| static void |
| fetch_scanline_c4 (pixman_image_t *image, |
| int x, |
| int y, |
| int width, |
| uint32_t * buffer, |
| const uint32_t *mask, |
| uint32_t mask_bits) |
| { |
| const uint32_t *bits = image->bits.bits + y * image->bits.rowstride; |
| const pixman_indexed_t * indexed = image->bits.indexed; |
| int i; |
| |
| for (i = 0; i < width; ++i) |
| { |
| uint32_t p = FETCH_4 (image, bits, i + x); |
| |
| *buffer++ = indexed->rgba[p]; |
| } |
| } |
| |
| static void |
| fetch_scanline_a1 (pixman_image_t *image, |
| int x, |
| int y, |
| int width, |
| uint32_t * buffer, |
| const uint32_t *mask, |
| uint32_t mask_bits) |
| { |
| const uint32_t *bits = image->bits.bits + y * image->bits.rowstride; |
| int i; |
| |
| for (i = 0; i < width; ++i) |
| { |
| uint32_t p = READ (image, bits + ((i + x) >> 5)); |
| uint32_t a; |
| |
| #ifdef WORDS_BIGENDIAN |
| a = p >> (0x1f - ((i + x) & 0x1f)); |
| #else |
| a = p >> ((i + x) & 0x1f); |
| #endif |
| a = a & 1; |
| a |= a << 1; |
| a |= a << 2; |
| a |= a << 4; |
| |
| *buffer++ = a << 24; |
| } |
| } |
| |
| static void |
| fetch_scanline_g1 (pixman_image_t *image, |
| int x, |
| int y, |
| int width, |
| uint32_t * buffer, |
| const uint32_t *mask, |
| uint32_t mask_bits) |
| { |
| const uint32_t *bits = image->bits.bits + y * image->bits.rowstride; |
| const pixman_indexed_t * indexed = image->bits.indexed; |
| int i; |
| |
| for (i = 0; i < width; ++i) |
| { |
| uint32_t p = READ (image, bits + ((i + x) >> 5)); |
| uint32_t a; |
| |
| #ifdef WORDS_BIGENDIAN |
| a = p >> (0x1f - ((i + x) & 0x1f)); |
| #else |
| a = p >> ((i + x) & 0x1f); |
| #endif |
| a = a & 1; |
| |
| *buffer++ = indexed->rgba[a]; |
| } |
| } |
| |
| static void |
| fetch_scanline_yuy2 (pixman_image_t *image, |
| int x, |
| int line, |
| int width, |
| uint32_t * buffer, |
| const uint32_t *mask, |
| uint32_t mask_bits) |
| { |
| const uint32_t *bits = image->bits.bits + image->bits.rowstride * line; |
| int i; |
| |
| for (i = 0; i < width; i++) |
| { |
| int16_t y, u, v; |
| int32_t r, g, b; |
| |
| y = ((uint8_t *) bits)[(x + i) << 1] - 16; |
| u = ((uint8_t *) bits)[(((x + i) << 1) & - 4) + 1] - 128; |
| v = ((uint8_t *) bits)[(((x + i) << 1) & - 4) + 3] - 128; |
| |
| /* R = 1.164(Y - 16) + 1.596(V - 128) */ |
| r = 0x012b27 * y + 0x019a2e * v; |
| /* G = 1.164(Y - 16) - 0.813(V - 128) - 0.391(U - 128) */ |
| g = 0x012b27 * y - 0x00d0f2 * v - 0x00647e * u; |
| /* B = 1.164(Y - 16) + 2.018(U - 128) */ |
| b = 0x012b27 * y + 0x0206a2 * u; |
| |
| *buffer++ = 0xff000000 | |
| (r >= 0 ? r < 0x1000000 ? r & 0xff0000 : 0xff0000 : 0) | |
| (g >= 0 ? g < 0x1000000 ? (g >> 8) & 0x00ff00 : 0x00ff00 : 0) | |
| (b >= 0 ? b < 0x1000000 ? (b >> 16) & 0x0000ff : 0x0000ff : 0); |
| } |
| } |
| |
| static void |
| fetch_scanline_yv12 (pixman_image_t *image, |
| int x, |
| int line, |
| int width, |
| uint32_t * buffer, |
| const uint32_t *mask, |
| uint32_t mask_bits) |
| { |
| YV12_SETUP (image); |
| uint8_t *y_line = YV12_Y (line); |
| uint8_t *u_line = YV12_U (line); |
| uint8_t *v_line = YV12_V (line); |
| int i; |
| |
| for (i = 0; i < width; i++) |
| { |
| int16_t y, u, v; |
| int32_t r, g, b; |
| |
| y = y_line[x + i] - 16; |
| u = u_line[(x + i) >> 1] - 128; |
| v = v_line[(x + i) >> 1] - 128; |
| |
| /* R = 1.164(Y - 16) + 1.596(V - 128) */ |
| r = 0x012b27 * y + 0x019a2e * v; |
| /* G = 1.164(Y - 16) - 0.813(V - 128) - 0.391(U - 128) */ |
| g = 0x012b27 * y - 0x00d0f2 * v - 0x00647e * u; |
| /* B = 1.164(Y - 16) + 2.018(U - 128) */ |
| b = 0x012b27 * y + 0x0206a2 * u; |
| |
| *buffer++ = 0xff000000 | |
| (r >= 0 ? r < 0x1000000 ? r & 0xff0000 : 0xff0000 : 0) | |
| (g >= 0 ? g < 0x1000000 ? (g >> 8) & 0x00ff00 : 0x00ff00 : 0) | |
| (b >= 0 ? b < 0x1000000 ? (b >> 16) & 0x0000ff : 0x0000ff : 0); |
| } |
| } |
| |
| /**************************** Pixel wise fetching *****************************/ |
| |
| /* Despite the type, expects a uint64_t buffer */ |
| static uint64_t |
| fetch_pixel_a2r10g10b10 (bits_image_t *image, |
| int offset, |
| int line) |
| { |
| uint32_t *bits = image->bits + line * image->rowstride; |
| uint32_t p = READ (image, bits + offset); |
| uint64_t a = p >> 30; |
| uint64_t r = (p >> 20) & 0x3ff; |
| uint64_t g = (p >> 10) & 0x3ff; |
| uint64_t b = p & 0x3ff; |
| |
| r = r << 6 | r >> 4; |
| g = g << 6 | g >> 4; |
| b = b << 6 | b >> 4; |
| |
| a <<= 14; |
| a |= a >> 2; |
| a |= a >> 4; |
| a |= a >> 8; |
| |
| return a << 48 | r << 32 | g << 16 | b; |
| } |
| |
| /* Despite the type, this function expects a uint64_t buffer */ |
| static uint64_t |
| fetch_pixel_x2r10g10b10 (bits_image_t *image, |
| int offset, |
| int line) |
| { |
| uint32_t *bits = image->bits + line * image->rowstride; |
| uint32_t p = READ (image, bits + offset); |
| uint64_t r = (p >> 20) & 0x3ff; |
| uint64_t g = (p >> 10) & 0x3ff; |
| uint64_t b = p & 0x3ff; |
| |
| r = r << 6 | r >> 4; |
| g = g << 6 | g >> 4; |
| b = b << 6 | b >> 4; |
| |
| return 0xffffULL << 48 | r << 32 | g << 16 | b; |
| } |
| |
| /* Despite the type, expects a uint64_t buffer */ |
| static uint64_t |
| fetch_pixel_a2b10g10r10 (bits_image_t *image, |
| int offset, |
| int line) |
| { |
| uint32_t *bits = image->bits + line * image->rowstride; |
| uint32_t p = READ (image, bits + offset); |
| uint64_t a = p >> 30; |
| uint64_t b = (p >> 20) & 0x3ff; |
| uint64_t g = (p >> 10) & 0x3ff; |
| uint64_t r = p & 0x3ff; |
| |
| r = r << 6 | r >> 4; |
| g = g << 6 | g >> 4; |
| b = b << 6 | b >> 4; |
| |
| a <<= 14; |
| a |= a >> 2; |
| a |= a >> 4; |
| a |= a >> 8; |
| |
| return a << 48 | r << 32 | g << 16 | b; |
| } |
| |
| /* Despite the type, this function expects a uint64_t buffer */ |
| static uint64_t |
| fetch_pixel_x2b10g10r10 (bits_image_t *image, |
| int offset, |
| int line) |
| { |
| uint32_t *bits = image->bits + line * image->rowstride; |
| uint32_t p = READ (image, bits + offset); |
| uint64_t b = (p >> 20) & 0x3ff; |
| uint64_t g = (p >> 10) & 0x3ff; |
| uint64_t r = p & 0x3ff; |
| |
| r = r << 6 | r >> 4; |
| g = g << 6 | g >> 4; |
| b = b << 6 | b >> 4; |
| |
| return 0xffffULL << 48 | r << 32 | g << 16 | b; |
| } |
| |
| static uint32_t |
| fetch_pixel_a8r8g8b8 (bits_image_t *image, |
| int offset, |
| int line) |
| { |
| uint32_t *bits = image->bits + line * image->rowstride; |
| return READ (image, (uint32_t *)bits + offset); |
| } |
| |
| static uint32_t |
| fetch_pixel_x8r8g8b8 (bits_image_t *image, |
| int offset, |
| int line) |
| { |
| uint32_t *bits = image->bits + line * image->rowstride; |
| |
| return READ (image, (uint32_t *)bits + offset) | 0xff000000; |
| } |
| |
| static uint32_t |
| fetch_pixel_a8b8g8r8 (bits_image_t *image, |
| int offset, |
| int line) |
| { |
| uint32_t *bits = image->bits + line * image->rowstride; |
| uint32_t pixel = READ (image, (uint32_t *)bits + offset); |
| |
| return ((pixel & 0xff000000) | |
| ((pixel >> 16) & 0xff) | |
| (pixel & 0x0000ff00) | |
| ((pixel & 0xff) << 16)); |
| } |
| |
| static uint32_t |
| fetch_pixel_x8b8g8r8 (bits_image_t *image, |
| int offset, |
| int line) |
| { |
| uint32_t *bits = image->bits + line * image->rowstride; |
| uint32_t pixel = READ (image, (uint32_t *)bits + offset); |
| |
| return ((0xff000000) | |
| ((pixel >> 16) & 0xff) | |
| (pixel & 0x0000ff00) | |
| ((pixel & 0xff) << 16)); |
| } |
| |
| static uint32_t |
| fetch_pixel_b8g8r8a8 (bits_image_t *image, |
| int offset, |
| int line) |
| { |
| uint32_t *bits = image->bits + line * image->rowstride; |
| uint32_t pixel = READ (image, (uint32_t *)bits + offset); |
| |
| return ((pixel & 0xff000000) >> 24 | |
| (pixel & 0x00ff0000) >> 8 | |
| (pixel & 0x0000ff00) << 8 | |
| (pixel & 0x000000ff) << 24); |
| } |
| |
| static uint32_t |
| fetch_pixel_b8g8r8x8 (bits_image_t *image, |
| int offset, |
| int line) |
| { |
| uint32_t *bits = image->bits + line * image->rowstride; |
| uint32_t pixel = READ (image, (uint32_t *)bits + offset); |
| |
| return ((0xff000000) | |
| (pixel & 0xff000000) >> 24 | |
| (pixel & 0x00ff0000) >> 8 | |
| (pixel & 0x0000ff00) << 8); |
| } |
| |
| static uint32_t |
| fetch_pixel_r8g8b8 (bits_image_t *image, |
| int offset, |
| int line) |
| { |
| uint32_t *bits = image->bits + line * image->rowstride; |
| uint8_t *pixel = ((uint8_t *) bits) + (offset * 3); |
| |
| #ifdef WORDS_BIGENDIAN |
| return (0xff000000 | |
| (READ (image, pixel + 0) << 16) | |
| (READ (image, pixel + 1) << 8) | |
| (READ (image, pixel + 2))); |
| #else |
| return (0xff000000 | |
| (READ (image, pixel + 2) << 16) | |
| (READ (image, pixel + 1) << 8) | |
| (READ (image, pixel + 0))); |
| #endif |
| } |
| |
| static uint32_t |
| fetch_pixel_b8g8r8 (bits_image_t *image, |
| int offset, |
| int line) |
| { |
| uint32_t *bits = image->bits + line * image->rowstride; |
| uint8_t *pixel = ((uint8_t *) bits) + (offset * 3); |
| #ifdef WORDS_BIGENDIAN |
| return (0xff000000 | |
| (READ (image, pixel + 2) << 16) | |
| (READ (image, pixel + 1) << 8) | |
| (READ (image, pixel + 0))); |
| #else |
| return (0xff000000 | |
| (READ (image, pixel + 0) << 16) | |
| (READ (image, pixel + 1) << 8) | |
| (READ (image, pixel + 2))); |
| #endif |
| } |
| |
| static uint32_t |
| fetch_pixel_r5g6b5 (bits_image_t *image, |
| int offset, |
| int line) |
| { |
| uint32_t *bits = image->bits + line * image->rowstride; |
| uint32_t pixel = READ (image, (uint16_t *) bits + offset); |
| uint32_t r, g, b; |
| |
| r = ((pixel & 0xf800) | ((pixel & 0xe000) >> 5)) << 8; |
| g = ((pixel & 0x07e0) | ((pixel & 0x0600) >> 6)) << 5; |
| b = ((pixel & 0x001c) | ((pixel & 0x001f) << 5)) >> 2; |
| |
| return (0xff000000 | r | g | b); |
| } |
| |
| static uint32_t |
| fetch_pixel_b5g6r5 (bits_image_t *image, |
| int offset, |
| int line) |
| { |
| uint32_t r, g, b; |
| uint32_t *bits = image->bits + line * image->rowstride; |
| uint32_t pixel = READ (image, (uint16_t *) bits + offset); |
| |
| b = ((pixel & 0xf800) | ((pixel & 0xe000) >> 5)) >> 8; |
| g = ((pixel & 0x07e0) | ((pixel & 0x0600) >> 6)) << 5; |
| r = ((pixel & 0x001c) | ((pixel & 0x001f) << 5)) << 14; |
| |
| return (0xff000000 | r | g | b); |
| } |
| |
| static uint32_t |
| fetch_pixel_a1r5g5b5 (bits_image_t *image, |
| int offset, |
| int line) |
| { |
| uint32_t *bits = image->bits + line * image->rowstride; |
| uint32_t pixel = READ (image, (uint16_t *) bits + offset); |
| uint32_t a, r, g, b; |
| |
| a = (uint32_t) ((uint8_t) (0 - ((pixel & 0x8000) >> 15))) << 24; |
| r = ((pixel & 0x7c00) | ((pixel & 0x7000) >> 5)) << 9; |
| g = ((pixel & 0x03e0) | ((pixel & 0x0380) >> 5)) << 6; |
| b = ((pixel & 0x001c) | ((pixel & 0x001f) << 5)) >> 2; |
| |
| return (a | r | g | b); |
| } |
| |
| static uint32_t |
| fetch_pixel_x1r5g5b5 (bits_image_t *image, |
| int offset, |
| int line) |
| { |
| uint32_t *bits = image->bits + line * image->rowstride; |
| uint32_t pixel = READ (image, (uint16_t *) bits + offset); |
| uint32_t r, g, b; |
| |
| r = ((pixel & 0x7c00) | ((pixel & 0x7000) >> 5)) << 9; |
| g = ((pixel & 0x03e0) | ((pixel & 0x0380) >> 5)) << 6; |
| b = ((pixel & 0x001c) | ((pixel & 0x001f) << 5)) >> 2; |
| |
| return (0xff000000 | r | g | b); |
| } |
| |
| static uint32_t |
| fetch_pixel_a1b5g5r5 (bits_image_t *image, |
| int offset, |
| int line) |
| { |
| uint32_t *bits = image->bits + line * image->rowstride; |
| uint32_t pixel = READ (image, (uint16_t *) bits + offset); |
| uint32_t a, r, g, b; |
| |
| a = (uint32_t) ((uint8_t) (0 - ((pixel & 0x8000) >> 15))) << 24; |
| b = ((pixel & 0x7c00) | ((pixel & 0x7000) >> 5)) >> 7; |
| g = ((pixel & 0x03e0) | ((pixel & 0x0380) >> 5)) << 6; |
| r = ((pixel & 0x001c) | ((pixel & 0x001f) << 5)) << 14; |
| |
| return (a | r | g | b); |
| } |
| |
| static uint32_t |
| fetch_pixel_x1b5g5r5 (bits_image_t *image, |
| int offset, |
| int line) |
| { |
| uint32_t *bits = image->bits + line * image->rowstride; |
| uint32_t pixel = READ (image, (uint16_t *) bits + offset); |
| uint32_t r, g, b; |
| |
| b = ((pixel & 0x7c00) | ((pixel & 0x7000) >> 5)) >> 7; |
| g = ((pixel & 0x03e0) | ((pixel & 0x0380) >> 5)) << 6; |
| r = ((pixel & 0x001c) | ((pixel & 0x001f) << 5)) << 14; |
| |
| return (0xff000000 | r | g | b); |
| } |
| |
| static uint32_t |
| fetch_pixel_a4r4g4b4 (bits_image_t *image, |
| int offset, |
| int line) |
| { |
| uint32_t *bits = image->bits + line * image->rowstride; |
| uint32_t pixel = READ (image, (uint16_t *) bits + offset); |
| uint32_t a, r, g, b; |
| |
| a = ((pixel & 0xf000) | ((pixel & 0xf000) >> 4)) << 16; |
| r = ((pixel & 0x0f00) | ((pixel & 0x0f00) >> 4)) << 12; |
| g = ((pixel & 0x00f0) | ((pixel & 0x00f0) >> 4)) << 8; |
| b = ((pixel & 0x000f) | ((pixel & 0x000f) << 4)); |
| |
| return (a | r | g | b); |
| } |
| |
| static uint32_t |
| fetch_pixel_x4r4g4b4 (bits_image_t *image, |
| int offset, |
| int line) |
| { |
| uint32_t *bits = image->bits + line * image->rowstride; |
| uint32_t pixel = READ (image, (uint16_t *) bits + offset); |
| uint32_t r, g, b; |
| |
| r = ((pixel & 0x0f00) | ((pixel & 0x0f00) >> 4)) << 12; |
| g = ((pixel & 0x00f0) | ((pixel & 0x00f0) >> 4)) << 8; |
| b = ((pixel & 0x000f) | ((pixel & 0x000f) << 4)); |
| |
| return (0xff000000 | r | g | b); |
| } |
| |
| static uint32_t |
| fetch_pixel_a4b4g4r4 (bits_image_t *image, |
| int offset, |
| int line) |
| { |
| uint32_t *bits = image->bits + line * image->rowstride; |
| uint32_t pixel = READ (image, (uint16_t *) bits + offset); |
| uint32_t a, r, g, b; |
| |
| a = ((pixel & 0xf000) | ((pixel & 0xf000) >> 4)) << 16; |
| b = ((pixel & 0x0f00) | ((pixel & 0x0f00) >> 4)) >> 4; |
| g = ((pixel & 0x00f0) | ((pixel & 0x00f0) >> 4)) << 8; |
| r = ((pixel & 0x000f) | ((pixel & 0x000f) << 4)) << 16; |
| |
| return (a | r | g | b); |
| } |
| |
| static uint32_t |
| fetch_pixel_x4b4g4r4 (bits_image_t *image, |
| int offset, |
| int line) |
| { |
| uint32_t *bits = image->bits + line * image->rowstride; |
| uint32_t pixel = READ (image, (uint16_t *) bits + offset); |
| uint32_t r, g, b; |
| |
| b = ((pixel & 0x0f00) | ((pixel & 0x0f00) >> 4)) >> 4; |
| g = ((pixel & 0x00f0) | ((pixel & 0x00f0) >> 4)) << 8; |
| r = ((pixel & 0x000f) | ((pixel & 0x000f) << 4)) << 16; |
| |
| return (0xff000000 | r | g | b); |
| } |
| |
| static uint32_t |
| fetch_pixel_a8 (bits_image_t *image, |
| int offset, |
| int line) |
| { |
| uint32_t *bits = image->bits + line * image->rowstride; |
| uint32_t pixel = READ (image, (uint8_t *) bits + offset); |
| |
| return pixel << 24; |
| } |
| |
| static uint32_t |
| fetch_pixel_r3g3b2 (bits_image_t *image, |
| int offset, |
| int line) |
| { |
| uint32_t *bits = image->bits + line * image->rowstride; |
| uint32_t pixel = READ (image, (uint8_t *) bits + offset); |
| uint32_t r, g, b; |
| |
| r = ((pixel & 0xe0) | |
| ((pixel & 0xe0) >> 3) | |
| ((pixel & 0xc0) >> 6)) << 16; |
| |
| g = ((pixel & 0x1c) | |
| ((pixel & 0x18) >> 3) | |
| ((pixel & 0x1c) << 3)) << 8; |
| |
| b = (((pixel & 0x03) ) | |
| ((pixel & 0x03) << 2) | |
| ((pixel & 0x03) << 4) | |
| ((pixel & 0x03) << 6)); |
| |
| return (0xff000000 | r | g | b); |
| } |
| |
| static uint32_t |
| fetch_pixel_b2g3r3 (bits_image_t *image, |
| int offset, |
| int line) |
| { |
| uint32_t *bits = image->bits + line * image->rowstride; |
| uint32_t p = READ (image, (uint8_t *) bits + offset); |
| uint32_t r, g, b; |
| |
| b = p & 0xc0; |
| b |= b >> 2; |
| b |= b >> 4; |
| b &= 0xff; |
| |
| g = (p & 0x38) << 10; |
| g |= g >> 3; |
| g |= g >> 6; |
| g &= 0xff00; |
| |
| r = (p & 0x7) << 21; |
| r |= r >> 3; |
| r |= r >> 6; |
| r &= 0xff0000; |
| |
| return 0xff000000 | r | g | b; |
| } |
| |
| static uint32_t |
| fetch_pixel_a2r2g2b2 (bits_image_t *image, |
| int offset, |
| int line) |
| { |
| uint32_t *bits = image->bits + line * image->rowstride; |
| uint32_t pixel = READ (image, (uint8_t *) bits + offset); |
| uint32_t a, r, g, b; |
| |
| a = ((pixel & 0xc0) * 0x55) << 18; |
| r = ((pixel & 0x30) * 0x55) << 12; |
| g = ((pixel & 0x0c) * 0x55) << 6; |
| b = ((pixel & 0x03) * 0x55); |
| |
| return a | r | g | b; |
| } |
| |
| static uint32_t |
| fetch_pixel_a2b2g2r2 (bits_image_t *image, |
| int offset, |
| int line) |
| { |
| uint32_t *bits = image->bits + line * image->rowstride; |
| uint32_t pixel = READ (image, (uint8_t *) bits + offset); |
| uint32_t a, r, g, b; |
| |
| a = ((pixel & 0xc0) * 0x55) << 18; |
| b = ((pixel & 0x30) * 0x55) >> 4; |
| g = ((pixel & 0x0c) * 0x55) << 6; |
| r = ((pixel & 0x03) * 0x55) << 16; |
| |
| return a | r | g | b; |
| } |
| |
| static uint32_t |
| fetch_pixel_c8 (bits_image_t *image, |
| int offset, |
| int line) |
| { |
| uint32_t *bits = image->bits + line * image->rowstride; |
| uint32_t pixel = READ (image, (uint8_t *) bits + offset); |
| const pixman_indexed_t * indexed = image->indexed; |
| |
| return indexed->rgba[pixel]; |
| } |
| |
| static uint32_t |
| fetch_pixel_x4a4 (bits_image_t *image, |
| int offset, |
| int line) |
| { |
| uint32_t *bits = image->bits + line * image->rowstride; |
| uint32_t pixel = READ (image, (uint8_t *) bits + offset); |
| |
| return ((pixel & 0xf) | ((pixel & 0xf) << 4)) << 24; |
| } |
| |
| static uint32_t |
| fetch_pixel_a4 (bits_image_t *image, |
| int offset, |
| int line) |
| { |
| uint32_t *bits = image->bits + line * image->rowstride; |
| uint32_t pixel = FETCH_4 (image, bits, offset); |
| |
| pixel |= pixel << 4; |
| return pixel << 24; |
| } |
| |
| static uint32_t |
| fetch_pixel_r1g2b1 (bits_image_t *image, |
| int offset, |
| int line) |
| { |
| uint32_t *bits = image->bits + line * image->rowstride; |
| uint32_t pixel = FETCH_4 (image, bits, offset); |
| uint32_t r, g, b; |
| |
| r = ((pixel & 0x8) * 0xff) << 13; |
| g = ((pixel & 0x6) * 0x55) << 7; |
| b = ((pixel & 0x1) * 0xff); |
| |
| return 0xff000000 | r | g | b; |
| } |
| |
| static uint32_t |
| fetch_pixel_b1g2r1 (bits_image_t *image, |
| int offset, |
| int line) |
| { |
| uint32_t *bits = image->bits + line * image->rowstride; |
| uint32_t pixel = FETCH_4 (image, bits, offset); |
| uint32_t r, g, b; |
| |
| b = ((pixel & 0x8) * 0xff) >> 3; |
| g = ((pixel & 0x6) * 0x55) << 7; |
| r = ((pixel & 0x1) * 0xff) << 16; |
| |
| return 0xff000000 | r | g | b; |
| } |
| |
| static uint32_t |
| fetch_pixel_a1r1g1b1 (bits_image_t *image, |
| int offset, |
| int line) |
| { |
| uint32_t *bits = image->bits + line * image->rowstride; |
| uint32_t pixel = FETCH_4 (image, bits, offset); |
| uint32_t a, r, g, b; |
| |
| a = ((pixel & 0x8) * 0xff) << 21; |
| r = ((pixel & 0x4) * 0xff) << 14; |
| g = ((pixel & 0x2) * 0xff) << 7; |
| b = ((pixel & 0x1) * 0xff); |
| |
| return a | r | g | b; |
| } |
| |
| static uint32_t |
| fetch_pixel_a1b1g1r1 (bits_image_t *image, |
| int offset, |
| int line) |
| { |
| uint32_t *bits = image->bits + line * image->rowstride; |
| uint32_t pixel = FETCH_4 (image, bits, offset); |
| uint32_t a, r, g, b; |
| |
| a = ((pixel & 0x8) * 0xff) << 21; |
| b = ((pixel & 0x4) * 0xff) >> 2; |
| g = ((pixel & 0x2) * 0xff) << 7; |
| r = ((pixel & 0x1) * 0xff) << 16; |
| |
| return a | r | g | b; |
| } |
| |
| static uint32_t |
| fetch_pixel_c4 (bits_image_t *image, |
| int offset, |
| int line) |
| { |
| uint32_t *bits = image->bits + line * image->rowstride; |
| uint32_t pixel = FETCH_4 (image, bits, offset); |
| const pixman_indexed_t * indexed = image->indexed; |
| |
| return indexed->rgba[pixel]; |
| } |
| |
| static uint32_t |
| fetch_pixel_a1 (bits_image_t *image, |
| int offset, |
| int line) |
| { |
| uint32_t *bits = image->bits + line * image->rowstride; |
| uint32_t pixel = READ (image, bits + (offset >> 5)); |
| uint32_t a; |
| |
| #ifdef WORDS_BIGENDIAN |
| a = pixel >> (0x1f - (offset & 0x1f)); |
| #else |
| a = pixel >> (offset & 0x1f); |
| #endif |
| a = a & 1; |
| a |= a << 1; |
| a |= a << 2; |
| a |= a << 4; |
| |
| return a << 24; |
| } |
| |
| static uint32_t |
| fetch_pixel_g1 (bits_image_t *image, |
| int offset, |
| int line) |
| { |
| uint32_t *bits = image->bits + line * image->rowstride; |
| uint32_t pixel = READ (image, bits + (offset >> 5)); |
| const pixman_indexed_t * indexed = image->indexed; |
| uint32_t a; |
| |
| #ifdef WORDS_BIGENDIAN |
| a = pixel >> (0x1f - (offset & 0x1f)); |
| #else |
| a = pixel >> (offset & 0x1f); |
| #endif |
| a = a & 1; |
| |
| return indexed->rgba[a]; |
| } |
| |
| static uint32_t |
| fetch_pixel_yuy2 (bits_image_t *image, |
| int offset, |
| int line) |
| { |
| const uint32_t *bits = image->bits + image->rowstride * line; |
| |
| int16_t y, u, v; |
| int32_t r, g, b; |
| |
| y = ((uint8_t *) bits)[offset << 1] - 16; |
| u = ((uint8_t *) bits)[((offset << 1) & - 4) + 1] - 128; |
| v = ((uint8_t *) bits)[((offset << 1) & - 4) + 3] - 128; |
| |
| /* R = 1.164(Y - 16) + 1.596(V - 128) */ |
| r = 0x012b27 * y + 0x019a2e * v; |
| |
| /* G = 1.164(Y - 16) - 0.813(V - 128) - 0.391(U - 128) */ |
| g = 0x012b27 * y - 0x00d0f2 * v - 0x00647e * u; |
| |
| /* B = 1.164(Y - 16) + 2.018(U - 128) */ |
| b = 0x012b27 * y + 0x0206a2 * u; |
| |
| return 0xff000000 | |
| (r >= 0 ? r < 0x1000000 ? r & 0xff0000 : 0xff0000 : 0) | |
| (g >= 0 ? g < 0x1000000 ? (g >> 8) & 0x00ff00 : 0x00ff00 : 0) | |
| (b >= 0 ? b < 0x1000000 ? (b >> 16) & 0x0000ff : 0x0000ff : 0); |
| } |
| |
| static uint32_t |
| fetch_pixel_yv12 (bits_image_t *image, |
| int offset, |
| int line) |
| { |
| YV12_SETUP (image); |
| int16_t y = YV12_Y (line)[offset] - 16; |
| int16_t u = YV12_U (line)[offset >> 1] - 128; |
| int16_t v = YV12_V (line)[offset >> 1] - 128; |
| int32_t r, g, b; |
| |
| /* R = 1.164(Y - 16) + 1.596(V - 128) */ |
| r = 0x012b27 * y + 0x019a2e * v; |
| |
| /* G = 1.164(Y - 16) - 0.813(V - 128) - 0.391(U - 128) */ |
| g = 0x012b27 * y - 0x00d0f2 * v - 0x00647e * u; |
| |
| /* B = 1.164(Y - 16) + 2.018(U - 128) */ |
| b = 0x012b27 * y + 0x0206a2 * u; |
| |
| return 0xff000000 | |
| (r >= 0 ? r < 0x1000000 ? r & 0xff0000 : 0xff0000 : 0) | |
| (g >= 0 ? g < 0x1000000 ? (g >> 8) & 0x00ff00 : 0x00ff00 : 0) | |
| (b >= 0 ? b < 0x1000000 ? (b >> 16) & 0x0000ff : 0x0000ff : 0); |
| } |
| |
| /*********************************** Store ************************************/ |
| |
| #define SPLIT_A(v) \ |
| uint32_t a = ((v) >> 24), \ |
| r = ((v) >> 16) & 0xff, \ |
| g = ((v) >> 8) & 0xff, \ |
| b = (v) & 0xff |
| |
| #define SPLIT(v) \ |
| uint32_t r = ((v) >> 16) & 0xff, \ |
| g = ((v) >> 8) & 0xff, \ |
| b = (v) & 0xff |
| |
| static void |
| store_scanline_a2r10g10b10 (bits_image_t * image, |
| int x, |
| int y, |
| int width, |
| const uint32_t *v) |
| { |
| uint32_t *bits = image->bits + image->rowstride * y; |
| uint32_t *pixel = bits + x; |
| uint64_t *values = (uint64_t *)v; |
| int i; |
| |
| for (i = 0; i < width; ++i) |
| { |
| WRITE (image, pixel++, |
| ((values[i] >> 32) & 0xc0000000) | |
| ((values[i] >> 18) & 0x3ff00000) | |
| ((values[i] >> 12) & 0xffc00) | |
| ((values[i] >> 6) & 0x3ff)); |
| } |
| } |
| |
| static void |
| store_scanline_x2r10g10b10 (bits_image_t * image, |
| int x, |
| int y, |
| int width, |
| const uint32_t *v) |
| { |
| uint32_t *bits = image->bits + image->rowstride * y; |
| uint64_t *values = (uint64_t *)v; |
| uint32_t *pixel = bits + x; |
| int i; |
| |
| for (i = 0; i < width; ++i) |
| { |
| WRITE (image, pixel++, |
| ((values[i] >> 18) & 0x3ff00000) | |
| ((values[i] >> 12) & 0xffc00) | |
| ((values[i] >> 6) & 0x3ff)); |
| } |
| } |
| |
| static void |
| store_scanline_a2b10g10r10 (bits_image_t * image, |
| int x, |
| int y, |
| int width, |
| const uint32_t *v) |
| { |
| uint32_t *bits = image->bits + image->rowstride * y; |
| uint32_t *pixel = bits + x; |
| uint64_t *values = (uint64_t *)v; |
| int i; |
| |
| for (i = 0; i < width; ++i) |
| { |
| WRITE (image, pixel++, |
| ((values[i] >> 32) & 0xc0000000) | |
| ((values[i] >> 38) & 0x3ff) | |
| ((values[i] >> 12) & 0xffc00) | |
| ((values[i] << 14) & 0x3ff00000)); |
| } |
| } |
| |
| static void |
| store_scanline_x2b10g10r10 (bits_image_t * image, |
| int x, |
| int y, |
| int width, |
| const uint32_t *v) |
| { |
| uint32_t *bits = image->bits + image->rowstride * y; |
| uint64_t *values = (uint64_t *)v; |
| uint32_t *pixel = bits + x; |
| int i; |
| |
| for (i = 0; i < width; ++i) |
| { |
| WRITE (image, pixel++, |
| ((values[i] >> 38) & 0x3ff) | |
| ((values[i] >> 12) & 0xffc00) | |
| ((values[i] << 14) & 0x3ff00000)); |
| } |
| } |
| |
| static void |
| store_scanline_a8r8g8b8 (bits_image_t * image, |
| int x, |
| int y, |
| int width, |
| const uint32_t *values) |
| { |
| uint32_t *bits = image->bits + image->rowstride * y; |
| |
| MEMCPY_WRAPPED (image, ((uint32_t *)bits) + x, values, |
| width * sizeof(uint32_t)); |
| } |
| |
| static void |
| store_scanline_x8r8g8b8 (bits_image_t * image, |
| int x, |
| int y, |
| int width, |
| const uint32_t *values) |
| { |
| uint32_t *bits = image->bits + image->rowstride * y; |
| uint32_t *pixel = (uint32_t *)bits + x; |
| int i; |
| |
| for (i = 0; i < width; ++i) |
| WRITE (image, pixel++, values[i] & 0xffffff); |
| } |
| |
| static void |
| store_scanline_a8b8g8r8 (bits_image_t * image, |
| int x, |
| int y, |
| int width, |
| const uint32_t *values) |
| { |
| uint32_t *bits = image->bits + image->rowstride * y; |
| uint32_t *pixel = (uint32_t *)bits + x; |
| int i; |
| |
| for (i = 0; i < width; ++i) |
| { |
| WRITE (image, pixel++, |
| (values[i] & 0xff00ff00) | |
| ((values[i] >> 16) & 0xff) | |
| ((values[i] & 0xff) << 16)); |
| } |
| } |
| |
| static void |
| store_scanline_x8b8g8r8 (bits_image_t * image, |
| int x, |
| int y, |
| int width, |
| const uint32_t *values) |
| { |
| uint32_t *bits = image->bits + image->rowstride * y; |
| uint32_t *pixel = (uint32_t *)bits + x; |
| int i; |
| |
| for (i = 0; i < width; ++i) |
| { |
| WRITE (image, pixel++, |
| (values[i] & 0x0000ff00) | |
| ((values[i] >> 16) & 0xff) | |
| ((values[i] & 0xff) << 16)); |
| } |
| } |
| |
| static void |
| store_scanline_b8g8r8a8 (bits_image_t * image, |
| int x, |
| int y, |
| int width, |
| const uint32_t *values) |
| { |
| uint32_t *bits = image->bits + image->rowstride * y; |
| uint32_t *pixel = (uint32_t *)bits + x; |
| int i; |
| |
| for (i = 0; i < width; ++i) |
| { |
| WRITE (image, pixel++, |
| ((values[i] >> 24) & 0x000000ff) | |
| ((values[i] >> 8) & 0x0000ff00) | |
| ((values[i] << 8) & 0x00ff0000) | |
| ((values[i] << 24) & 0xff000000)); |
| } |
| } |
| |
| static void |
| store_scanline_b8g8r8x8 (bits_image_t * image, |
| int x, |
| int y, |
| int width, |
| const uint32_t *values) |
| { |
| uint32_t *bits = image->bits + image->rowstride * y; |
| uint32_t *pixel = (uint32_t *)bits + x; |
| int i; |
| |
| for (i = 0; i < width; ++i) |
| { |
| WRITE (image, pixel++, |
| ((values[i] >> 8) & 0x0000ff00) | |
| ((values[i] << 8) & 0x00ff0000) | |
| ((values[i] << 24) & 0xff000000)); |
| } |
| } |
| |
| static void |
| store_scanline_r8g8b8 (bits_image_t * image, |
| int x, |
| int y, |
| int width, |
| const uint32_t *values) |
| { |
| uint32_t *bits = image->bits + image->rowstride * y; |
| uint8_t *pixel = ((uint8_t *) bits) + 3 * x; |
| int i; |
| |
| for (i = 0; i < width; ++i) |
| { |
| uint32_t val = values[i]; |
| |
| #ifdef WORDS_BIGENDIAN |
| WRITE (image, pixel++, (val & 0x00ff0000) >> 16); |
| WRITE (image, pixel++, (val & 0x0000ff00) >> 8); |
| WRITE (image, pixel++, (val & 0x000000ff) >> 0); |
| #else |
| WRITE (image, pixel++, (val & 0x000000ff) >> 0); |
| WRITE (image, pixel++, (val & 0x0000ff00) >> 8); |
| WRITE (image, pixel++, (val & 0x00ff0000) >> 16); |
| #endif |
| } |
| } |
| |
| static void |
| store_scanline_b8g8r8 (bits_image_t * image, |
| int x, |
| int y, |
| int width, |
| const uint32_t *values) |
| { |
| uint32_t *bits = image->bits + image->rowstride * y; |
| uint8_t *pixel = ((uint8_t *) bits) + 3 * x; |
| int i; |
| |
| for (i = 0; i < width; ++i) |
| { |
| uint32_t val = values[i]; |
| |
| #ifdef WORDS_BIGENDIAN |
| WRITE (image, pixel++, (val & 0x000000ff) >> 0); |
| WRITE (image, pixel++, (val & 0x0000ff00) >> 8); |
| WRITE (image, pixel++, (val & 0x00ff0000) >> 16); |
| #else |
| WRITE (image, pixel++, (val & 0x00ff0000) >> 16); |
| WRITE (image, pixel++, (val & 0x0000ff00) >> 8); |
| WRITE (image, pixel++, (val & 0x000000ff) >> 0); |
| #endif |
| } |
| } |
| |
| static void |
| store_scanline_r5g6b5 (bits_image_t * image, |
| int x, |
| int y, |
| int width, |
| const uint32_t *values) |
| { |
| uint32_t *bits = image->bits + image->rowstride * y; |
| uint16_t *pixel = ((uint16_t *) bits) + x; |
| int i; |
| |
| for (i = 0; i < width; ++i) |
| { |
| uint32_t s = values[i]; |
| |
| WRITE (image, pixel++, |
| ((s >> 3) & 0x001f) | |
| ((s >> 5) & 0x07e0) | |
| ((s >> 8) & 0xf800)); |
| } |
| } |
| |
| static void |
| store_scanline_b5g6r5 (bits_image_t * image, |
| int x, |
| int y, |
| int width, |
| const uint32_t *values) |
| { |
| uint32_t *bits = image->bits + image->rowstride * y; |
| uint16_t *pixel = ((uint16_t *) bits) + x; |
| int i; |
| |
| for (i = 0; i < width; ++i) |
| { |
| SPLIT (values[i]); |
| |
| WRITE (image, pixel++, |
| ((b << 8) & 0xf800) | |
| ((g << 3) & 0x07e0) | |
| ((r >> 3) )); |
| } |
| } |
| |
| static void |
| store_scanline_a1r5g5b5 (bits_image_t * image, |
| int x, |
| int y, |
| int width, |
| const uint32_t *values) |
| { |
| uint32_t *bits = image->bits + image->rowstride * y; |
| uint16_t *pixel = ((uint16_t *) bits) + x; |
| int i; |
| |
| for (i = 0; i < width; ++i) |
| { |
| SPLIT_A (values[i]); |
| |
| WRITE (image, pixel++, |
| ((a << 8) & 0x8000) | |
| ((r << 7) & 0x7c00) | |
| ((g << 2) & 0x03e0) | |
| ((b >> 3) )); |
| } |
| } |
| |
| static void |
| store_scanline_x1r5g5b5 (bits_image_t * image, |
| int x, |
| int y, |
| int width, |
| const uint32_t *values) |
| { |
| uint32_t *bits = image->bits + image->rowstride * y; |
| uint16_t *pixel = ((uint16_t *) bits) + x; |
| int i; |
| |
| for (i = 0; i < width; ++i) |
| { |
| SPLIT (values[i]); |
| |
| WRITE (image, pixel++, |
| ((r << 7) & 0x7c00) | |
| ((g << 2) & 0x03e0) | |
| ((b >> 3) )); |
| } |
| } |
| |
| static void |
| store_scanline_a1b5g5r5 (bits_image_t * image, |
| int x, |
| int y, |
| int width, |
| const uint32_t *values) |
| { |
| uint32_t *bits = image->bits + image->rowstride * y; |
| uint16_t *pixel = ((uint16_t *) bits) + x; |
| int i; |
| |
| for (i = 0; i < width; ++i) |
| { |
| SPLIT_A (values[i]); |
| |
| WRITE (image, pixel++, |
| ((a << 8) & 0x8000) | |
| ((b << 7) & 0x7c00) | |
| ((g << 2) & 0x03e0) | |
| ((r >> 3) )); |
| } |
| } |
| |
| static void |
| store_scanline_x1b5g5r5 (bits_image_t * image, |
| int x, |
| int y, |
| int width, |
| const uint32_t *values) |
| { |
| uint32_t *bits = image->bits + image->rowstride * y; |
| uint16_t *pixel = ((uint16_t *) bits) + x; |
| int i; |
| |
| for (i = 0; i < width; ++i) |
| { |
| SPLIT (values[i]); |
| |
| WRITE (image, pixel++, ((b << 7) & 0x7c00) | |
| ((g << 2) & 0x03e0) | |
| ((r >> 3) )); |
| } |
| } |
| |
| static void |
| store_scanline_a4r4g4b4 (bits_image_t * image, |
| int x, |
| int y, |
| int width, |
| const uint32_t *values) |
| { |
| uint32_t *bits = image->bits + image->rowstride * y; |
| uint16_t *pixel = ((uint16_t *) bits) + x; |
| int i; |
| |
| for (i = 0; i < width; ++i) |
| { |
| SPLIT_A (values[i]); |
| |
| WRITE (image, pixel++, |
| ((a << 8) & 0xf000) | |
| ((r << 4) & 0x0f00) | |
| ((g ) & 0x00f0) | |
| ((b >> 4) )); |
| } |
| } |
| |
| static void |
| store_scanline_x4r4g4b4 (bits_image_t * image, |
| int x, |
| int y, |
| int width, |
| const uint32_t *values) |
| { |
| uint32_t *bits = image->bits + image->rowstride * y; |
| uint16_t *pixel = ((uint16_t *) bits) + x; |
| int i; |
| |
| for (i = 0; i < width; ++i) |
| { |
| SPLIT (values[i]); |
| |
| WRITE (image, pixel++, |
| ((r << 4) & 0x0f00) | |
| ((g ) & 0x00f0) | |
| ((b >> 4) )); |
| } |
| } |
| |
| static void |
| store_scanline_a4b4g4r4 (bits_image_t * image, |
| int x, |
| int y, |
| int width, |
| const uint32_t *values) |
| { |
| uint32_t *bits = image->bits + image->rowstride * y; |
| uint16_t *pixel = ((uint16_t *) bits) + x; |
| int i; |
| |
| for (i = 0; i < width; ++i) |
| { |
| SPLIT_A (values[i]); |
| WRITE (image, pixel++, ((a << 8) & 0xf000) | |
| ((b << 4) & 0x0f00) | |
| ((g ) & 0x00f0) | |
| ((r >> 4) )); |
| } |
| } |
| |
| static void |
| store_scanline_x4b4g4r4 (bits_image_t * image, |
| int x, |
| int y, |
| int width, |
| const uint32_t *values) |
| { |
| uint32_t *bits = image->bits + image->rowstride * y; |
| uint16_t *pixel = ((uint16_t *) bits) + x; |
| int i; |
| |
| for (i = 0; i < width; ++i) |
| { |
| SPLIT (values[i]); |
| |
| WRITE (image, pixel++, |
| ((b << 4) & 0x0f00) | |
| ((g ) & 0x00f0) | |
| ((r >> 4) )); |
| } |
| } |
| |
| static void |
| store_scanline_a8 (bits_image_t * image, |
| int x, |
| int y, |
| int width, |
| const uint32_t *values) |
| { |
| uint32_t *bits = image->bits + image->rowstride * y; |
| uint8_t *pixel = ((uint8_t *) bits) + x; |
| int i; |
| |
| for (i = 0; i < width; ++i) |
| { |
| WRITE (image, pixel++, values[i] >> 24); |
| } |
| } |
| |
| static void |
| store_scanline_r3g3b2 (bits_image_t * image, |
| int x, |
| int y, |
| int width, |
| const uint32_t *values) |
| { |
| uint32_t *bits = image->bits + image->rowstride * y; |
| uint8_t *pixel = ((uint8_t *) bits) + x; |
| int i; |
| |
| for (i = 0; i < width; ++i) |
| { |
| SPLIT (values[i]); |
| |
| WRITE (image, pixel++, |
| ((r ) & 0xe0) | |
| ((g >> 3) & 0x1c) | |
| ((b >> 6) )); |
| } |
| } |
| |
| static void |
| store_scanline_b2g3r3 (bits_image_t * image, |
| int x, |
| int y, |
| int width, |
| const uint32_t *values) |
| { |
| uint32_t *bits = image->bits + image->rowstride * y; |
| uint8_t *pixel = ((uint8_t *) bits) + x; |
| int i; |
| |
| for (i = 0; i < width; ++i) |
| { |
| SPLIT (values[i]); |
| |
| WRITE (image, pixel++, |
| ((b ) & 0xc0) | |
| ((g >> 2) & 0x38) | |
| ((r >> 5) )); |
| } |
| } |
| |
| static void |
| store_scanline_a2r2g2b2 (bits_image_t * image, |
| int x, |
| int y, |
| int width, |
| const uint32_t *values) |
| { |
| uint32_t *bits = image->bits + image->rowstride * y; |
| uint8_t *pixel = ((uint8_t *) bits) + x; |
| int i; |
| |
| for (i = 0; i < width; ++i) |
| { |
| SPLIT_A (values[i]); |
| |
| WRITE (image, pixel++, |
| ((a ) & 0xc0) | |
| ((r >> 2) & 0x30) | |
| ((g >> 4) & 0x0c) | |
| ((b >> 6) )); |
| } |
| } |
| |
| static void |
| store_scanline_a2b2g2r2 (bits_image_t * image, |
| int x, |
| int y, |
| int width, |
| const uint32_t *values) |
| { |
| uint32_t *bits = image->bits + image->rowstride * y; |
| uint8_t *pixel = ((uint8_t *) bits) + x; |
| int i; |
| |
| for (i = 0; i < width; ++i) |
| { |
| SPLIT_A (values[i]); |
| |
| *(pixel++) = |
| ((a ) & 0xc0) | |
| ((b >> 2) & 0x30) | |
| ((g >> 4) & 0x0c) | |
| ((r >> 6) ); |
| } |
| } |
| |
| static void |
| store_scanline_c8 (bits_image_t * image, |
| int x, |
| int y, |
| int width, |
| const uint32_t *values) |
| { |
| uint32_t *bits = image->bits + image->rowstride * y; |
| uint8_t *pixel = ((uint8_t *) bits) + x; |
| const pixman_indexed_t *indexed = image->indexed; |
| int i; |
| |
| for (i = 0; i < width; ++i) |
| WRITE (image, pixel++, RGB24_TO_ENTRY (indexed,values[i])); |
| } |
| |
| static void |
| store_scanline_x4a4 (bits_image_t * image, |
| int x, |
| int y, |
| int width, |
| const uint32_t *values) |
| { |
| uint32_t *bits = image->bits + image->rowstride * y; |
| uint8_t *pixel = ((uint8_t *) bits) + x; |
| int i; |
| |
| for (i = 0; i < width; ++i) |
| WRITE (image, pixel++, values[i] >> 28); |
| } |
| |
| #define STORE_8(img,l,o,v) (WRITE (img, (uint8_t *)(l) + ((o) >> 3), (v))) |
| #ifdef WORDS_BIGENDIAN |
| |
| #define STORE_4(img,l,o,v) \ |
| do \ |
| { \ |
| int bo = 4 * (o); \ |
| int v4 = (v) & 0x0f; \ |
| \ |
| STORE_8 (img, l, bo, ( \ |
| bo & 4 ? \ |
| (FETCH_8 (img, l, bo) & 0xf0) | (v4) : \ |
| (FETCH_8 (img, l, bo) & 0x0f) | (v4 << 4))); \ |
| } while (0) |
| #else |
| |
| #define STORE_4(img,l,o,v) \ |
| do \ |
| { \ |
| int bo = 4 * (o); \ |
| int v4 = (v) & 0x0f; \ |
| \ |
| STORE_8 (img, l, bo, ( \ |
| bo & 4 ? \ |
| (FETCH_8 (img, l, bo) & 0x0f) | (v4 << 4) : \ |
| (FETCH_8 (img, l, bo) & 0xf0) | (v4))); \ |
| } while (0) |
| #endif |
| |
| static void |
| store_scanline_a4 (bits_image_t * image, |
| int x, |
| int y, |
| int width, |
| const uint32_t *values) |
| { |
| uint32_t *bits = image->bits + image->rowstride * y; |
| int i; |
| |
| for (i = 0; i < width; ++i) |
| STORE_4 (image, bits, i + x, values[i] >> 28); |
| } |
| |
| static void |
| store_scanline_r1g2b1 (bits_image_t * image, |
| int x, |
| int y, |
| int width, |
| const uint32_t *values) |
| { |
| uint32_t *bits = image->bits + image->rowstride * y; |
| int i; |
| |
| for (i = 0; i < width; ++i) |
| { |
| uint32_t pixel; |
| |
| SPLIT (values[i]); |
| pixel = (((r >> 4) & 0x8) | |
| ((g >> 5) & 0x6) | |
| ((b >> 7) )); |
| STORE_4 (image, bits, i + x, pixel); |
| } |
| } |
| |
| static void |
| store_scanline_b1g2r1 (bits_image_t * image, |
| int x, |
| int y, |
| int width, |
| const uint32_t *values) |
| { |
| uint32_t *bits = image->bits + image->rowstride * y; |
| int i; |
| |
| for (i = 0; i < width; ++i) |
| { |
| uint32_t pixel; |
| |
| SPLIT (values[i]); |
| pixel = (((b >> 4) & 0x8) | |
| ((g >> 5) & 0x6) | |
| ((r >> 7) )); |
| STORE_4 (image, bits, i + x, pixel); |
| } |
| } |
| |
| static void |
| store_scanline_a1r1g1b1 (bits_image_t * image, |
| int x, |
| int y, |
| int width, |
| const uint32_t *values) |
| { |
| uint32_t *bits = image->bits + image->rowstride * y; |
| int i; |
| |
| for (i = 0; i < width; ++i) |
| { |
| uint32_t pixel; |
| |
| SPLIT_A (values[i]); |
| pixel = (((a >> 4) & 0x8) | |
| ((r >> 5) & 0x4) | |
| ((g >> 6) & 0x2) | |
| ((b >> 7) )); |
| |
| STORE_4 (image, bits, i + x, pixel); |
| } |
| } |
| |
| static void |
| store_scanline_a1b1g1r1 (bits_image_t * image, |
| int x, |
| int y, |
| int width, |
| const uint32_t *values) |
| { |
| uint32_t *bits = image->bits + image->rowstride * y; |
| int i; |
| |
| for (i = 0; i < width; ++i) |
| { |
| uint32_t pixel; |
| |
| SPLIT_A (values[i]); |
| pixel = (((a >> 4) & 0x8) | |
| ((b >> 5) & 0x4) | |
| ((g >> 6) & 0x2) | |
| ((r >> 7) )); |
| |
| STORE_4 (image, bits, i + x, pixel); |
| } |
| } |
| |
| static void |
| store_scanline_c4 (bits_image_t * image, |
| int x, |
| int y, |
| int width, |
| const uint32_t *values) |
| { |
| uint32_t *bits = image->bits + image->rowstride * y; |
| const pixman_indexed_t *indexed = image->indexed; |
| int i; |
| |
| for (i = 0; i < width; ++i) |
| { |
| uint32_t pixel; |
| |
| pixel = RGB24_TO_ENTRY (indexed, values[i]); |
| STORE_4 (image, bits, i + x, pixel); |
| } |
| } |
| |
| static void |
| store_scanline_a1 (bits_image_t * image, |
| int x, |
| int y, |
| int width, |
| const uint32_t *values) |
| { |
| uint32_t *bits = image->bits + image->rowstride * y; |
| int i; |
| |
| for (i = 0; i < width; ++i) |
| { |
| uint32_t *pixel = ((uint32_t *) bits) + ((i + x) >> 5); |
| uint32_t mask, v; |
| |
| #ifdef WORDS_BIGENDIAN |
| mask = 1 << (0x1f - ((i + x) & 0x1f)); |
| #else |
| mask = 1 << ((i + x) & 0x1f); |
| #endif |
| v = values[i] & 0x80000000 ? mask : 0; |
| |
| WRITE (image, pixel, (READ (image, pixel) & ~mask) | v); |
| } |
| } |
| |
| static void |
| store_scanline_g1 (bits_image_t * image, |
| int x, |
| int y, |
| int width, |
| const uint32_t *values) |
| { |
| uint32_t *bits = image->bits + image->rowstride * y; |
| const pixman_indexed_t *indexed = image->indexed; |
| int i; |
| |
| for (i = 0; i < width; ++i) |
| { |
| uint32_t *pixel = ((uint32_t *) bits) + ((i + x) >> 5); |
| uint32_t mask, v; |
| |
| #ifdef WORDS_BIGENDIAN |
| mask = 1 << (0x1f - ((i + x) & 0x1f)); |
| #else |
| mask = 1 << ((i + x) & 0x1f); |
| #endif |
| v = RGB24_TO_ENTRY_Y (indexed, values[i]) & 0x1 ? mask : 0; |
| |
| WRITE (image, pixel, (READ (image, pixel) & ~mask) | v); |
| } |
| } |
| |
| /* |
| * Contracts a 64bpp image to 32bpp and then stores it using a regular 32-bit |
| * store proc. Despite the type, this function expects a uint64_t buffer. |
| */ |
| static void |
| store_scanline_generic_64 (bits_image_t * image, |
| int x, |
| int y, |
| int width, |
| const uint32_t *values) |
| { |
| uint32_t *argb8_pixels; |
| |
| assert (image->common.type == BITS); |
| |
| argb8_pixels = pixman_malloc_ab (width, sizeof(uint32_t)); |
| if (!argb8_pixels) |
| return; |
| |
| /* Contract the scanline. We could do this in place if values weren't |
| * const. |
| */ |
| pixman_contract (argb8_pixels, (uint64_t *)values, width); |
| |
| image->store_scanline_raw_32 (image, x, y, width, argb8_pixels); |
| |
| free (argb8_pixels); |
| } |
| |
| /* Despite the type, this function expects both buffer |
| * and mask to be uint64_t |
| */ |
| static void |
| fetch_scanline_generic_64 (pixman_image_t *image, |
| int x, |
| int y, |
| int width, |
| uint32_t * buffer, |
| const uint32_t *mask, |
| uint32_t mask_bits) |
| { |
| /* Fetch the pixels into the first half of buffer and then expand them in |
| * place. |
| */ |
| image->bits.fetch_scanline_raw_32 (image, x, y, width, buffer, NULL, 0); |
| |
| pixman_expand ((uint64_t *)buffer, buffer, image->bits.format, width); |
| } |
| |
| /* Despite the type, this function expects a uint64_t *buffer */ |
| static uint64_t |
| fetch_pixel_generic_64 (bits_image_t *image, |
| int offset, |
| int line) |
| { |
| uint32_t pixel32 = image->fetch_pixel_raw_32 (image, offset, line); |
| uint64_t result; |
| |
| pixman_expand ((uint64_t *)&result, &pixel32, image->format, 1); |
| |
| return result; |
| } |
| |
| /* |
| * XXX: The transformed fetch path only works at 32-bpp so far. When all |
| * paths have wide versions, this can be removed. |
| * |
| * WARNING: This function loses precision! |
| */ |
| static uint32_t |
| fetch_pixel_generic_lossy_32 (bits_image_t *image, |
| int offset, |
| int line) |
| { |
| uint64_t pixel64 = image->fetch_pixel_raw_64 (image, offset, line); |
| uint32_t result; |
| |
| pixman_contract (&result, &pixel64, 1); |
| |
| return result; |
| } |
| |
| typedef struct |
| { |
| pixman_format_code_t format; |
| fetch_scanline_t fetch_scanline_raw_32; |
| fetch_scanline_t fetch_scanline_raw_64; |
| fetch_pixel_32_t fetch_pixel_raw_32; |
| fetch_pixel_64_t fetch_pixel_raw_64; |
| store_scanline_t store_scanline_raw_32; |
| store_scanline_t store_scanline_raw_64; |
| } format_info_t; |
| |
| #define FORMAT_INFO(format) \ |
| { \ |
| PIXMAN_ ## format, \ |
| fetch_scanline_ ## format, \ |
| fetch_scanline_generic_64, \ |
| fetch_pixel_ ## format, fetch_pixel_generic_64, \ |
| store_scanline_ ## format, store_scanline_generic_64 \ |
| } |
| |
| static const format_info_t accessors[] = |
| { |
| /* 32 bpp formats */ |
| FORMAT_INFO (a8r8g8b8), |
| FORMAT_INFO (x8r8g8b8), |
| FORMAT_INFO (a8b8g8r8), |
| FORMAT_INFO (x8b8g8r8), |
| FORMAT_INFO (b8g8r8a8), |
| FORMAT_INFO (b8g8r8x8), |
| |
| /* 24bpp formats */ |
| FORMAT_INFO (r8g8b8), |
| FORMAT_INFO (b8g8r8), |
| |
| /* 16bpp formats */ |
| FORMAT_INFO (r5g6b5), |
| FORMAT_INFO (b5g6r5), |
| |
| FORMAT_INFO (a1r5g5b5), |
| FORMAT_INFO (x1r5g5b5), |
| FORMAT_INFO (a1b5g5r5), |
| FORMAT_INFO (x1b5g5r5), |
| FORMAT_INFO (a4r4g4b4), |
| FORMAT_INFO (x4r4g4b4), |
| FORMAT_INFO (a4b4g4r4), |
| FORMAT_INFO (x4b4g4r4), |
| |
| /* 8bpp formats */ |
| FORMAT_INFO (a8), |
| FORMAT_INFO (r3g3b2), |
| FORMAT_INFO (b2g3r3), |
| FORMAT_INFO (a2r2g2b2), |
| FORMAT_INFO (a2b2g2r2), |
| |
| FORMAT_INFO (c8), |
| |
| #define fetch_scanline_g8 fetch_scanline_c8 |
| #define fetch_pixel_g8 fetch_pixel_c8 |
| #define store_scanline_g8 store_scanline_c8 |
| FORMAT_INFO (g8), |
| |
| #define fetch_scanline_x4c4 fetch_scanline_c8 |
| #define fetch_pixel_x4c4 fetch_pixel_c8 |
| #define store_scanline_x4c4 store_scanline_c8 |
| FORMAT_INFO (x4c4), |
| |
| #define fetch_scanline_x4g4 fetch_scanline_c8 |
| #define fetch_pixel_x4g4 fetch_pixel_c8 |
| #define store_scanline_x4g4 store_scanline_c8 |
| FORMAT_INFO (x4g4), |
| |
| FORMAT_INFO (x4a4), |
| |
| /* 4bpp formats */ |
| FORMAT_INFO (a4), |
| FORMAT_INFO (r1g2b1), |
| FORMAT_INFO (b1g2r1), |
| FORMAT_INFO (a1r1g1b1), |
| FORMAT_INFO (a1b1g1r1), |
| |
| FORMAT_INFO (c4), |
| |
| #define fetch_scanline_g4 fetch_scanline_c4 |
| #define fetch_pixel_g4 fetch_pixel_c4 |
| #define store_scanline_g4 store_scanline_c4 |
| FORMAT_INFO (g4), |
| |
| /* 1bpp formats */ |
| FORMAT_INFO (a1), |
| FORMAT_INFO (g1), |
| |
| /* Wide formats */ |
| |
| { PIXMAN_a2r10g10b10, |
| NULL, fetch_scanline_a2r10g10b10, |
| fetch_pixel_generic_lossy_32, fetch_pixel_a2r10g10b10, |
| NULL, store_scanline_a2r10g10b10 }, |
| |
| { PIXMAN_x2r10g10b10, |
| NULL, fetch_scanline_x2r10g10b10, |
| fetch_pixel_generic_lossy_32, fetch_pixel_x2r10g10b10, |
| NULL, store_scanline_x2r10g10b10 }, |
| |
| { PIXMAN_a2b10g10r10, |
| NULL, fetch_scanline_a2b10g10r10, |
| fetch_pixel_generic_lossy_32, fetch_pixel_a2b10g10r10, |
| NULL, store_scanline_a2b10g10r10 }, |
| |
| { PIXMAN_x2b10g10r10, |
| NULL, fetch_scanline_x2b10g10r10, |
| fetch_pixel_generic_lossy_32, fetch_pixel_x2b10g10r10, |
| NULL, store_scanline_x2b10g10r10 }, |
| |
| /* YUV formats */ |
| { PIXMAN_yuy2, |
| fetch_scanline_yuy2, fetch_scanline_generic_64, |
| fetch_pixel_yuy2, fetch_pixel_generic_64, |
| NULL, NULL }, |
| |
| { PIXMAN_yv12, |
| fetch_scanline_yv12, fetch_scanline_generic_64, |
| fetch_pixel_yv12, fetch_pixel_generic_64, |
| NULL, NULL }, |
| |
| { PIXMAN_null }, |
| }; |
| |
| static void |
| setup_accessors (bits_image_t *image) |
| { |
| const format_info_t *info = accessors; |
| |
| while (info->format != PIXMAN_null) |
| { |
| if (info->format == image->format) |
| { |
| image->fetch_scanline_raw_32 = info->fetch_scanline_raw_32; |
| image->fetch_scanline_raw_64 = info->fetch_scanline_raw_64; |
| image->fetch_pixel_raw_32 = info->fetch_pixel_raw_32; |
| image->fetch_pixel_raw_64 = info->fetch_pixel_raw_64; |
| image->store_scanline_raw_32 = info->store_scanline_raw_32; |
| image->store_scanline_raw_64 = info->store_scanline_raw_64; |
| |
| return; |
| } |
| |
| info++; |
| } |
| } |
| |
| #ifndef PIXMAN_FB_ACCESSORS |
| void |
| _pixman_bits_image_setup_raw_accessors_accessors (bits_image_t *image); |
| |
| void |
| _pixman_bits_image_setup_raw_accessors (bits_image_t *image) |
| { |
| if (image->read_func || image->write_func) |
| _pixman_bits_image_setup_raw_accessors_accessors (image); |
| else |
| setup_accessors (image); |
| } |
| |
| #else |
| |
| void |
| _pixman_bits_image_setup_raw_accessors_accessors (bits_image_t *image) |
| { |
| setup_accessors (image); |
| } |
| |
| #endif |