/**************************************************************************
*
* Copyright 2010 VMware, Inc.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sub license, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
* USE OR OTHER DEALINGS IN THE SOFTWARE.
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
*
**************************************************************************/
/**
* @file
* YUV and RGB subsampled formats conversion.
*
* @author Jose Fonseca <jfonseca@vmware.com>
*/
#include "util/u_format_yuv.h"
void
util_format_r8g8_b8g8_unorm_unpack_rgba_float(float *dst_row, unsigned dst_stride,
const uint8_t *src_row, unsigned src_stride,
unsigned width, unsigned height)
{
unsigned x, y;
for (y = 0; y < height; y += 1) {
float *dst = dst_row;
const uint32_t *src = (const uint32_t *)src_row;
uint32_t value;
float r, g0, g1, b;
for (x = 0; x + 1 < width; x += 2) {
value = *src++;
#ifdef PIPE_ARCH_BIG_ENDIAN
value = util_bswap32(value);
#endif
r = ubyte_to_float((value >> 0) & 0xff);
g0 = ubyte_to_float((value >> 8) & 0xff);
b = ubyte_to_float((value >> 16) & 0xff);
g1 = ubyte_to_float((value >> 24) & 0xff);
dst[0] = r; /* r */
dst[1] = g0; /* g */
dst[2] = b; /* b */
dst[3] = 1.0f; /* a */
dst += 4;
dst[0] = r; /* r */
dst[1] = g1; /* g */
dst[2] = b; /* b */
dst[3] = 1.0f; /* a */
dst += 4;
}
if (x < width) {
value = *src;
#ifdef PIPE_ARCH_BIG_ENDIAN
value = util_bswap32(value);
#endif
r = ubyte_to_float((value >> 0) & 0xff);
g0 = ubyte_to_float((value >> 8) & 0xff);
b = ubyte_to_float((value >> 16) & 0xff);
g1 = ubyte_to_float((value >> 24) & 0xff);
dst[0] = r; /* r */
dst[1] = g0; /* g */
dst[2] = b; /* b */
dst[3] = 1.0f; /* a */
}
src_row += src_stride/sizeof(*src_row);
dst_row += dst_stride/sizeof(*dst_row);
}
}
void
util_format_r8g8_b8g8_unorm_unpack_rgba_8unorm(uint8_t *dst_row, unsigned dst_stride,
const uint8_t *src_row, unsigned src_stride,
unsigned width, unsigned height)
{
unsigned x, y;
for (y = 0; y < height; y += 1) {
uint8_t *dst = dst_row;
const uint32_t *src = (const uint32_t *)src_row;
uint32_t value;
uint8_t r, g0, g1, b;
for (x = 0; x + 1 < width; x += 2) {
value = *src++;
#ifdef PIPE_ARCH_BIG_ENDIAN
value = util_bswap32(value);
#endif
r = (value >> 0) & 0xff;
g0 = (value >> 8) & 0xff;
b = (value >> 16) & 0xff;
g1 = (value >> 24) & 0xff;
dst[0] = r; /* r */
dst[1] = g0; /* g */
dst[2] = b; /* b */
dst[3] = 0xff; /* a */
dst += 4;
dst[0] = r; /* r */
dst[1] = g1; /* g */
dst[2] = b; /* b */
dst[3] = 0xff; /* a */
dst += 4;
}
if (x < width) {
value = *src;
#ifdef PIPE_ARCH_BIG_ENDIAN
value = util_bswap32(value);
#endif
r = (value >> 0) & 0xff;
g0 = (value >> 8) & 0xff;
b = (value >> 16) & 0xff;
g1 = (value >> 24) & 0xff;
dst[0] = r; /* r */
dst[1] = g0; /* g */
dst[2] = b; /* b */
dst[3] = 0xff; /* a */
}
src_row += src_stride/sizeof(*src_row);
dst_row += dst_stride/sizeof(*dst_row);
}
}
void
util_format_r8g8_b8g8_unorm_pack_rgba_float(uint8_t *dst_row, unsigned dst_stride,
const float *src_row, unsigned src_stride,
unsigned width, unsigned height)
{
unsigned x, y;
for (y = 0; y < height; y += 1) {
const float *src = src_row;
uint32_t *dst = (uint32_t *)dst_row;
float r, g0, g1, b;
uint32_t value;
for (x = 0; x + 1 < width; x += 2) {
r = 0.5f*(src[0] + src[4]);
g0 = src[1];
g1 = src[5];
b = 0.5f*(src[2] + src[6]);
value = float_to_ubyte(r);
value |= float_to_ubyte(g0) << 8;
value |= float_to_ubyte(b) << 16;
value |= float_to_ubyte(g1) << 24;
#ifdef PIPE_ARCH_BIG_ENDIAN
value = util_bswap32(value);
#endif
*dst++ = value;
src += 8;
}
if (x < width) {
r = src[0];
g0 = src[1];
g1 = 0;
b = src[2];
value = float_to_ubyte(r);
value |= float_to_ubyte(g0) << 8;
value |= float_to_ubyte(b) << 16;
value |= float_to_ubyte(g1) << 24;
#ifdef PIPE_ARCH_BIG_ENDIAN
value = util_bswap32(value);
#endif
*dst = value;
}
dst_row += dst_stride/sizeof(*dst_row);
src_row += src_stride/sizeof(*src_row);
}
}
void
util_format_r8g8_b8g8_unorm_pack_rgba_8unorm(uint8_t *dst_row, unsigned dst_stride,
const uint8_t *src_row, unsigned src_stride,
unsigned width, unsigned height)
{
unsigned x, y;
for (y = 0; y < height; y += 1) {
const uint8_t *src = src_row;
uint32_t *dst = (uint32_t *)dst_row;
uint32_t r, g0, g1, b;
uint32_t value;
for (x = 0; x + 1 < width; x += 2) {
r = (src[0] + src[4] + 1) >> 1;
g0 = src[1];
g1 = src[5];
b = (src[2] + src[6] + 1) >> 1;
value = r;
value |= g0 << 8;
value |= b << 16;
value |= g1 << 24;
#ifdef PIPE_ARCH_BIG_ENDIAN
value = util_bswap32(value);
#endif
*dst++ = value;
src += 8;
}
if (x < width) {
r = src[0];
g0 = src[1];
g1 = 0;
b = src[2];
value = r;
value |= g0 << 8;
value |= b << 16;
value |= g1 << 24;
#ifdef PIPE_ARCH_BIG_ENDIAN
value = util_bswap32(value);
#endif
*dst = value;
}
dst_row += dst_stride/sizeof(*dst_row);
src_row += src_stride/sizeof(*src_row);
}
}
void
util_format_r8g8_b8g8_unorm_fetch_rgba_float(float *dst, const uint8_t *src,
unsigned i, unsigned j)
{
assert(i < 2);
assert(j < 1);
dst[0] = ubyte_to_float(src[0]); /* r */
dst[1] = ubyte_to_float(src[1 + 2*i]); /* g */
dst[2] = ubyte_to_float(src[2]); /* b */
dst[3] = 1.0f; /* a */
}
void
util_format_g8r8_g8b8_unorm_unpack_rgba_float(float *dst_row, unsigned dst_stride,
const uint8_t *src_row, unsigned src_stride,
unsigned width, unsigned height)
{
unsigned x, y;
for (y = 0; y < height; y += 1) {
float *dst = dst_row;
const uint32_t *src = (const uint32_t *)src_row;
uint32_t value;
float r, g0, g1, b;
for (x = 0; x + 1 < width; x += 2) {
value = *src++;
#ifdef PIPE_ARCH_BIG_ENDIAN
value = util_bswap32(value);
#endif
g0 = ubyte_to_float((value >> 0) & 0xff);
r = ubyte_to_float((value >> 8) & 0xff);
g1 = ubyte_to_float((value >> 16) & 0xff);
b = ubyte_to_float((value >> 24) & 0xff);
dst[0] = r; /* r */
dst[1] = g0; /* g */
dst[2] = b; /* b */
dst[3] = 1.0f; /* a */
dst += 4;
dst[0] = r; /* r */
dst[1] = g1; /* g */
dst[2] = b; /* b */
dst[3] = 1.0f; /* a */
dst += 4;
}
if (x < width) {
value = *src;
#ifdef PIPE_ARCH_BIG_ENDIAN
value = util_bswap32(value);
#endif
g0 = ubyte_to_float((value >> 0) & 0xff);
r = ubyte_to_float((value >> 8) & 0xff);
g1 = ubyte_to_float((value >> 16) & 0xff);
b = ubyte_to_float((value >> 24) & 0xff);
dst[0] = r; /* r */
dst[1] = g0; /* g */
dst[2] = b; /* b */
dst[3] = 1.0f; /* a */
}
src_row += src_stride/sizeof(*src_row);
dst_row += dst_stride/sizeof(*dst_row);
}
}
void
util_format_g8r8_g8b8_unorm_unpack_rgba_8unorm(uint8_t *dst_row, unsigned dst_stride,
const uint8_t *src_row, unsigned src_stride,
unsigned width, unsigned height)
{
unsigned x, y;
for (y = 0; y < height; y += 1) {
uint8_t *dst = dst_row;
const uint32_t *src = (const uint32_t *)src_row;
uint32_t value;
uint8_t r, g0, g1, b;
for (x = 0; x + 1 < width; x += 2) {
value = *src++;
#ifdef PIPE_ARCH_BIG_ENDIAN
value = util_bswap32(value);
#endif
g0 = (value >> 0) & 0xff;
r = (value >> 8) & 0xff;
g1 = (value >> 16) & 0xff;
b = (value >> 24) & 0xff;
dst[0] = r; /* r */
dst[1] = g0; /* g */
dst[2] = b; /* b */
dst[3] = 0xff; /* a */
dst += 4;
dst[0] = r; /* r */
dst[1] = g1; /* g */
dst[2] = b; /* b */
dst[3] = 0xff; /* a */
dst += 4;
}
if (x < width) {
value = *src;
#ifdef PIPE_ARCH_BIG_ENDIAN
value = util_bswap32(value);
#endif
g0 = (value >> 0) & 0xff;
r = (value >> 8) & 0xff;
g1 = (value >> 16) & 0xff;
b = (value >> 24) & 0xff;
dst[0] = r; /* r */
dst[1] = g0; /* g */
dst[2] = b; /* b */
dst[3] = 0xff; /* a */
}
src_row += src_stride/sizeof(*src_row);
dst_row += dst_stride/sizeof(*dst_row);
}
}
void
util_format_g8r8_g8b8_unorm_pack_rgba_float(uint8_t *dst_row, unsigned dst_stride,
const float *src_row, unsigned src_stride,
unsigned width, unsigned height)
{
unsigned x, y;
for (y = 0; y < height; y += 1) {
const float *src = src_row;
uint32_t *dst = (uint32_t *)dst_row;
float r, g0, g1, b;
uint32_t value;
for (x = 0; x + 1 < width; x += 2) {
r = 0.5f*(src[0] + src[4]);
g0 = src[1];
g1 = src[5];
b = 0.5f*(src[2] + src[6]);
value = float_to_ubyte(g0);
value |= float_to_ubyte(r) << 8;
value |= float_to_ubyte(g1) << 16;
value |= float_to_ubyte(b) << 24;
#ifdef PIPE_ARCH_BIG_ENDIAN
value = util_bswap32(value);
#endif
*dst++ = value;
src += 8;
}
if (x < width) {
r = src[0];
g0 = src[1];
g1 = 0;
b = src[2];
value = float_to_ubyte(g0);
value |= float_to_ubyte(r) << 8;
value |= float_to_ubyte(g1) << 16;
value |= float_to_ubyte(b) << 24;
#ifdef PIPE_ARCH_BIG_ENDIAN
value = util_bswap32(value);
#endif
*dst = value;
}
dst_row += dst_stride/sizeof(*dst_row);
src_row += src_stride/sizeof(*src_row);
}
}
void
util_format_g8r8_g8b8_unorm_pack_rgba_8unorm(uint8_t *dst_row, unsigned dst_stride,
const uint8_t *src_row, unsigned src_stride,
unsigned width, unsigned height)
{
unsigned x, y;
for (y = 0; y < height; y += 1) {
const uint8_t *src = src_row;
uint32_t *dst = (uint32_t *)dst_row;
uint32_t r, g0, g1, b;
uint32_t value;
for (x = 0; x + 1 < width; x += 2) {
r = (src[0] + src[4] + 1) >> 1;
g0 = src[1];
g1 = src[5];
b = (src[2] + src[6] + 1) >> 1;
value = g0;
value |= r << 8;
value |= g1 << 16;
value |= b << 24;
#ifdef PIPE_ARCH_BIG_ENDIAN
value = util_bswap32(value);
#endif
*dst++ = value;
src += 8;
}
if (x < width) {
r = src[0];
g0 = src[1];
g1 = 0;
b = src[2];
value = g0;
value |= r << 8;
value |= g1 << 16;
value |= b << 24;
#ifdef PIPE_ARCH_BIG_ENDIAN
value = util_bswap32(value);
#endif
*dst = value;
}
dst_row += dst_stride/sizeof(*dst_row);
src_row += src_stride/sizeof(*src_row);
}
}
void
util_format_g8r8_g8b8_unorm_fetch_rgba_float(float *dst, const uint8_t *src,
unsigned i, unsigned j)
{
assert(i < 2);
assert(j < 1);
dst[0] = ubyte_to_float(src[1]); /* r */
dst[1] = ubyte_to_float(src[0 + 2*i]); /* g */
dst[2] = ubyte_to_float(src[3]); /* b */
dst[3] = 1.0f; /* a */
}
void
util_format_uyvy_unpack_rgba_float(float *dst_row, unsigned dst_stride,
const uint8_t *src_row, unsigned src_stride,
unsigned width, unsigned height)
{
unsigned x, y;
for (y = 0; y < height; y += 1) {
float *dst = dst_row;
const uint32_t *src = (const uint32_t *)src_row;
uint32_t value;
uint8_t y0, y1, u, v;
for (x = 0; x + 1 < width; x += 2) {
value = *src++;
#ifdef PIPE_ARCH_BIG_ENDIAN
value = util_bswap32(value);
#endif
u = (value >> 0) & 0xff;
y0 = (value >> 8) & 0xff;
v = (value >> 16) & 0xff;
y1 = (value >> 24) & 0xff;
util_format_yuv_to_rgb_float(y0, u, v, &dst[0], &dst[1], &dst[2]);
dst[3] = 1.0f; /* a */
dst += 4;
util_format_yuv_to_rgb_float(y1, u, v, &dst[0], &dst[1], &dst[2]);
dst[3] = 1.0f; /* a */
dst += 4;
}
if (x < width) {
value = *src;
#ifdef PIPE_ARCH_BIG_ENDIAN
value = util_bswap32(value);
#endif
u = (value >> 0) & 0xff;
y0 = (value >> 8) & 0xff;
v = (value >> 16) & 0xff;
y1 = (value >> 24) & 0xff;
util_format_yuv_to_rgb_float(y0, u, v, &dst[0], &dst[1], &dst[2]);
dst[3] = 1.0f; /* a */
}
src_row += src_stride/sizeof(*src_row);
dst_row += dst_stride/sizeof(*dst_row);
}
}
void
util_format_uyvy_unpack_rgba_8unorm(uint8_t *dst_row, unsigned dst_stride,
const uint8_t *src_row, unsigned src_stride,
unsigned width, unsigned height)
{
unsigned x, y;
for (y = 0; y < height; y += 1) {
uint8_t *dst = dst_row;
const uint32_t *src = (const uint32_t *)src_row;
uint32_t value;
uint8_t y0, y1, u, v;
for (x = 0; x + 1 < width; x += 2) {
value = *src++;
#ifdef PIPE_ARCH_BIG_ENDIAN
value = util_bswap32(value);
#endif
u = (value >> 0) & 0xff;
y0 = (value >> 8) & 0xff;
v = (value >> 16) & 0xff;
y1 = (value >> 24) & 0xff;
util_format_yuv_to_rgb_8unorm(y0, u, v, &dst[0], &dst[1], &dst[2]);
dst[3] = 0xff; /* a */
dst += 4;
util_format_yuv_to_rgb_8unorm(y1, u, v, &dst[0], &dst[1], &dst[2]);
dst[3] = 0xff; /* a */
dst += 4;
}
if (x < width) {
value = *src;
#ifdef PIPE_ARCH_BIG_ENDIAN
value = util_bswap32(value);
#endif
u = (value >> 0) & 0xff;
y0 = (value >> 8) & 0xff;
v = (value >> 16) & 0xff;
y1 = (value >> 24) & 0xff;
util_format_yuv_to_rgb_8unorm(y0, u, v, &dst[0], &dst[1], &dst[2]);
dst[3] = 0xff; /* a */
}
src_row += src_stride/sizeof(*src_row);
dst_row += dst_stride/sizeof(*dst_row);
}
}
void
util_format_uyvy_pack_rgba_float(uint8_t *dst_row, unsigned dst_stride,
const float *src_row, unsigned src_stride,
unsigned width, unsigned height)
{
unsigned x, y;
for (y = 0; y < height; y += 1) {
const float *src = src_row;
uint32_t *dst = (uint32_t *)dst_row;
uint8_t y0, y1, u, v;
uint32_t value;
for (x = 0; x + 1 < width; x += 2) {
uint8_t y0, y1, u0, u1, v0, v1, u, v;
util_format_rgb_float_to_yuv(src[0], src[1], src[2],
&y0, &u0, &v0);
util_format_rgb_float_to_yuv(src[4], src[5], src[6],
&y1, &u1, &v1);
u = (u0 + u1 + 1) >> 1;
v = (v0 + v1 + 1) >> 1;
value = u;
value |= y0 << 8;
value |= v << 16;
value |= y1 << 24;
#ifdef PIPE_ARCH_BIG_ENDIAN
value = util_bswap32(value);
#endif
*dst++ = value;
src += 8;
}
if (x < width) {
util_format_rgb_float_to_yuv(src[0], src[1], src[2],
&y0, &u, &v);
y1 = 0;
value = u;
value |= y0 << 8;
value |= v << 16;
value |= y1 << 24;
#ifdef PIPE_ARCH_BIG_ENDIAN
value = util_bswap32(value);
#endif
*dst = value;
}
dst_row += dst_stride/sizeof(*dst_row);
src_row += src_stride/sizeof(*src_row);
}
}
void
util_format_uyvy_pack_rgba_8unorm(uint8_t *dst_row, unsigned dst_stride,
const uint8_t *src_row, unsigned src_stride,
unsigned width, unsigned height)
{
unsigned x, y;
for (y = 0; y < height; y += 1) {
const uint8_t *src = src_row;
uint32_t *dst = (uint32_t *)dst_row;
uint8_t y0, y1, u, v;
uint32_t value;
for (x = 0; x + 1 < width; x += 2) {
uint8_t y0, y1, u0, u1, v0, v1, u, v;
util_format_rgb_8unorm_to_yuv(src[0], src[1], src[2],
&y0, &u0, &v0);
util_format_rgb_8unorm_to_yuv(src[4], src[5], src[6],
&y1, &u1, &v1);
u = (u0 + u1 + 1) >> 1;
v = (v0 + v1 + 1) >> 1;
value = u;
value |= y0 << 8;
value |= v << 16;
value |= y1 << 24;
#ifdef PIPE_ARCH_BIG_ENDIAN
value = util_bswap32(value);
#endif
*dst++ = value;
src += 8;
}
if (x < width) {
util_format_rgb_8unorm_to_yuv(src[0], src[1], src[2],
&y0, &u, &v);
y1 = 0;
value = u;
value |= y0 << 8;
value |= v << 16;
value |= y1 << 24;
#ifdef PIPE_ARCH_BIG_ENDIAN
value = util_bswap32(value);
#endif
*dst = value;
}
dst_row += dst_stride/sizeof(*dst_row);
src_row += src_stride/sizeof(*src_row);
}
}
void
util_format_uyvy_fetch_rgba_float(float *dst, const uint8_t *src,
unsigned i, unsigned j)
{
uint8_t y, u, v;
assert(i < 2);
assert(j < 1);
y = src[1 + i*2];
u = src[0];
v = src[2];
util_format_yuv_to_rgb_float(y, u, v, &dst[0], &dst[1], &dst[2]);
dst[3] = 1.0f;
}
void
util_format_yuyv_unpack_rgba_float(float *dst_row, unsigned dst_stride,
const uint8_t *src_row, unsigned src_stride,
unsigned width, unsigned height)
{
unsigned x, y;
for (y = 0; y < height; y += 1) {
float *dst = dst_row;
const uint32_t *src = (const uint32_t *)src_row;
uint32_t value;
uint8_t y0, y1, u, v;
for (x = 0; x + 1 < width; x += 2) {
value = *src++;
#ifdef PIPE_ARCH_BIG_ENDIAN
value = util_bswap32(value);
#endif
y0 = (value >> 0) & 0xff;
u = (value >> 8) & 0xff;
y1 = (value >> 16) & 0xff;
v = (value >> 24) & 0xff;
util_format_yuv_to_rgb_float(y0, u, v, &dst[0], &dst[1], &dst[2]);
dst[3] = 1.0f; /* a */
dst += 4;
util_format_yuv_to_rgb_float(y1, u, v, &dst[0], &dst[1], &dst[2]);
dst[3] = 1.0f; /* a */
dst += 4;
}
if (x < width) {
value = *src;
#ifdef PIPE_ARCH_BIG_ENDIAN
value = util_bswap32(value);
#endif
y0 = (value >> 0) & 0xff;
u = (value >> 8) & 0xff;
y1 = (value >> 16) & 0xff;
v = (value >> 24) & 0xff;
util_format_yuv_to_rgb_float(y0, u, v, &dst[0], &dst[1], &dst[2]);
dst[3] = 1.0f; /* a */
}
src_row += src_stride/sizeof(*src_row);
dst_row += dst_stride/sizeof(*dst_row);
}
}
void
util_format_yuyv_unpack_rgba_8unorm(uint8_t *dst_row, unsigned dst_stride,
const uint8_t *src_row, unsigned src_stride,
unsigned width, unsigned height)
{
unsigned x, y;
for (y = 0; y < height; y += 1) {
uint8_t *dst = dst_row;
const uint32_t *src = (const uint32_t *)src_row;
uint32_t value;
uint8_t y0, y1, u, v;
for (x = 0; x + 1 < width; x += 2) {
value = *src++;
#ifdef PIPE_ARCH_BIG_ENDIAN
value = util_bswap32(value);
#endif
y0 = (value >> 0) & 0xff;
u = (value >> 8) & 0xff;
y1 = (value >> 16) & 0xff;
v = (value >> 24) & 0xff;
util_format_yuv_to_rgb_8unorm(y0, u, v, &dst[0], &dst[1], &dst[2]);
dst[3] = 0xff; /* a */
dst += 4;
util_format_yuv_to_rgb_8unorm(y1, u, v, &dst[0], &dst[1], &dst[2]);
dst[3] = 0xff; /* a */
dst += 4;
}
if (x < width) {
value = *src;
#ifdef PIPE_ARCH_BIG_ENDIAN
value = util_bswap32(value);
#endif
y0 = (value >> 0) & 0xff;
u = (value >> 8) & 0xff;
y1 = (value >> 16) & 0xff;
v = (value >> 24) & 0xff;
util_format_yuv_to_rgb_8unorm(y0, u, v, &dst[0], &dst[1], &dst[2]);
dst[3] = 0xff; /* a */
}
src_row += src_stride/sizeof(*src_row);
dst_row += dst_stride/sizeof(*dst_row);
}
}
void
util_format_yuyv_pack_rgba_float(uint8_t *dst_row, unsigned dst_stride,
const float *src_row, unsigned src_stride,
unsigned width, unsigned height)
{
unsigned x, y;
for (y = 0; y < height; y += 1) {
const float *src = src_row;
uint32_t *dst = (uint32_t *)dst_row;
uint8_t y0, y1, u, v;
uint32_t value;
for (x = 0; x + 1 < width; x += 2) {
uint8_t y0, y1, u0, u1, v0, v1, u, v;
util_format_rgb_float_to_yuv(src[0], src[1], src[2],
&y0, &u0, &v0);
util_format_rgb_float_to_yuv(src[4], src[5], src[6],
&y1, &u1, &v1);
u = (u0 + u1 + 1) >> 1;
v = (v0 + v1 + 1) >> 1;
value = y0;
value |= u << 8;
value |= y1 << 16;
value |= v << 24;
#ifdef PIPE_ARCH_BIG_ENDIAN
value = util_bswap32(value);
#endif
*dst++ = value;
src += 8;
}
if (x < width) {
util_format_rgb_float_to_yuv(src[0], src[1], src[2],
&y0, &u, &v);
y1 = 0;
value = y0;
value |= u << 8;
value |= y1 << 16;
value |= v << 24;
#ifdef PIPE_ARCH_BIG_ENDIAN
value = util_bswap32(value);
#endif
*dst = value;
}
dst_row += dst_stride/sizeof(*dst_row);
src_row += src_stride/sizeof(*src_row);
}
}
void
util_format_yuyv_pack_rgba_8unorm(uint8_t *dst_row, unsigned dst_stride,
const uint8_t *src_row, unsigned src_stride,
unsigned width, unsigned height)
{
unsigned x, y;
for (y = 0; y < height; y += 1) {
const uint8_t *src = src_row;
uint32_t *dst = (uint32_t *)dst_row;
uint8_t y0, y1, u, v;
uint32_t value;
for (x = 0; x + 1 < width; x += 2) {
uint8_t y0, y1, u0, u1, v0, v1, u, v;
util_format_rgb_8unorm_to_yuv(src[0], src[1], src[2],
&y0, &u0, &v0);
util_format_rgb_8unorm_to_yuv(src[4], src[5], src[6],
&y1, &u1, &v1);
u = (u0 + u1 + 1) >> 1;
v = (v0 + v1 + 1) >> 1;
value = y0;
value |= u << 8;
value |= y1 << 16;
value |= v << 24;
#ifdef PIPE_ARCH_BIG_ENDIAN
value = util_bswap32(value);
#endif
*dst++ = value;
src += 8;
}
if (x < width) {
util_format_rgb_8unorm_to_yuv(src[0], src[1], src[2],
&y0, &u, &v);
y1 = 0;
value = y0;
value |= u << 8;
value |= y1 << 16;
value |= v << 24;
#ifdef PIPE_ARCH_BIG_ENDIAN
value = util_bswap32(value);
#endif
*dst = value;
}
dst_row += dst_stride/sizeof(*dst_row);
src_row += src_stride/sizeof(*src_row);
}
}
void
util_format_yuyv_fetch_rgba_float(float *dst, const uint8_t *src,
unsigned i, unsigned j)
{
uint8_t y, u, v;
assert(i < 2);
assert(j < 1);
y = src[0 + i*2];
u = src[1];
v = src[3];
util_format_yuv_to_rgb_float(y, u, v, &dst[0], &dst[1], &dst[2]);
dst[3] = 1.0f;
}
/* XXX: Stubbed for now */
void
util_format_yv12_unpack_rgba_8unorm(uint8_t *dst_row, unsigned dst_stride,
const uint8_t *src_row, unsigned src_stride,
unsigned width, unsigned height) {}
void
util_format_yv12_pack_rgba_8unorm(uint8_t *dst_row, unsigned dst_stride,
const uint8_t *src_row, unsigned src_stride,
unsigned width, unsigned height) {}
void
util_format_yv12_unpack_rgba_float(float *dst_row, unsigned dst_stride,
const uint8_t *src_row, unsigned src_stride,
unsigned width, unsigned height) {}
void
util_format_yv12_pack_rgba_float(uint8_t *dst_row, unsigned dst_stride,
const float *src_row, unsigned src_stride,
unsigned width, unsigned height) {}
void
util_format_yv12_fetch_rgba_float(float *dst, const uint8_t *src,
unsigned i, unsigned j) {}
void
util_format_yv16_unpack_rgba_8unorm(uint8_t *dst_row, unsigned dst_stride,
const uint8_t *src_row, unsigned src_stride,
unsigned width, unsigned height) {}
void
util_format_yv16_pack_rgba_8unorm(uint8_t *dst_row, unsigned dst_stride,
const uint8_t *src_row, unsigned src_stride,
unsigned width, unsigned height) {}
void
util_format_yv16_unpack_rgba_float(float *dst_row, unsigned dst_stride,
const uint8_t *src_row, unsigned src_stride,
unsigned width, unsigned height) {}
void
util_format_yv16_pack_rgba_float(uint8_t *dst_row, unsigned dst_stride,
const float *src_row, unsigned src_stride,
unsigned width, unsigned height) {}
void
util_format_yv16_fetch_rgba_float(float *dst, const uint8_t *src,
unsigned i, unsigned j) {}
void
util_format_iyuv_unpack_rgba_8unorm(uint8_t *dst_row, unsigned dst_stride,
const uint8_t *src_row, unsigned src_stride,
unsigned width, unsigned height) {}
void
util_format_iyuv_pack_rgba_8unorm(uint8_t *dst_row, unsigned dst_stride,
const uint8_t *src_row, unsigned src_stride,
unsigned width, unsigned height) {}
void
util_format_iyuv_unpack_rgba_float(float *dst_row, unsigned dst_stride,
const uint8_t *src_row, unsigned src_stride,
unsigned width, unsigned height) {}
void
util_format_iyuv_pack_rgba_float(uint8_t *dst_row, unsigned dst_stride,
const float *src_row, unsigned src_stride,
unsigned width, unsigned height) {}
void
util_format_iyuv_fetch_rgba_float(float *dst, const uint8_t *src,
unsigned i, unsigned j) {}
void
util_format_nv12_unpack_rgba_8unorm(uint8_t *dst_row, unsigned dst_stride,
const uint8_t *src_row, unsigned src_stride,
unsigned width, unsigned height) {}
void
util_format_nv12_pack_rgba_8unorm(uint8_t *dst_row, unsigned dst_stride,
const uint8_t *src_row, unsigned src_stride,
unsigned width, unsigned height) {}
void
util_format_nv12_unpack_rgba_float(float *dst_row, unsigned dst_stride,
const uint8_t *src_row, unsigned src_stride,
unsigned width, unsigned height) {}
void
util_format_nv12_pack_rgba_float(uint8_t *dst_row, unsigned dst_stride,
const float *src_row, unsigned src_stride,
unsigned width, unsigned height) {}
void
util_format_nv12_fetch_rgba_float(float *dst, const uint8_t *src,
unsigned i, unsigned j) {}
void
util_format_nv21_unpack_rgba_8unorm(uint8_t *dst_row, unsigned dst_stride,
const uint8_t *src_row, unsigned src_stride,
unsigned width, unsigned height) {}
void
util_format_nv21_pack_rgba_8unorm(uint8_t *dst_row, unsigned dst_stride,
const uint8_t *src_row, unsigned src_stride,
unsigned width, unsigned height) {}
void
util_format_nv21_unpack_rgba_float(float *dst_row, unsigned dst_stride,
const uint8_t *src_row, unsigned src_stride,
unsigned width, unsigned height) {}
void
util_format_nv21_pack_rgba_float(uint8_t *dst_row, unsigned dst_stride,
const float *src_row, unsigned src_stride,
unsigned width, unsigned height) {}
void
util_format_nv21_fetch_rgba_float(float *dst, const uint8_t *src,
unsigned i, unsigned j) {}
void
util_format_r8g8_r8b8_unorm_unpack_rgba_float(float *dst_row, unsigned dst_stride,
const uint8_t *src_row, unsigned src_stride,
unsigned width, unsigned height) {}
void
util_format_r8g8_r8b8_unorm_unpack_rgba_8unorm(uint8_t *dst_row, unsigned dst_stride,
const uint8_t *src_row, unsigned src_stride,
unsigned width, unsigned height) {}
void
util_format_r8g8_r8b8_unorm_pack_rgba_float(uint8_t *dst_row, unsigned dst_stride,
const float *src_row, unsigned src_stride,
unsigned width, unsigned height) {}
void
util_format_r8g8_r8b8_unorm_pack_rgba_8unorm(uint8_t *dst_row, unsigned dst_stride,
const uint8_t *src_row, unsigned src_stride,
unsigned width, unsigned height) {}
void
util_format_r8g8_r8b8_unorm_fetch_rgba_float(float *dst, const uint8_t *src,
unsigned i, unsigned j) {}
void
util_format_g8r8_b8r8_unorm_unpack_rgba_float(float *dst_row, unsigned dst_stride,
const uint8_t *src_row, unsigned src_stride,
unsigned width, unsigned height) {}
void
util_format_g8r8_b8r8_unorm_unpack_rgba_8unorm(uint8_t *dst_row, unsigned dst_stride,
const uint8_t *src_row, unsigned src_stride,
unsigned width, unsigned height) {}
void
util_format_g8r8_b8r8_unorm_pack_rgba_float(uint8_t *dst_row, unsigned dst_stride,
const float *src_row, unsigned src_stride,
unsigned width, unsigned height) {}
void
util_format_g8r8_b8r8_unorm_pack_rgba_8unorm(uint8_t *dst_row, unsigned dst_stride,
const uint8_t *src_row, unsigned src_stride,
unsigned width, unsigned height) {}
void
util_format_g8r8_b8r8_unorm_fetch_rgba_float(float *dst, const uint8_t *src,
unsigned i, unsigned j) {}