diff options
Diffstat (limited to 'src/gallium/auxiliary/util/u_format_zs.c')
| -rw-r--r-- | src/gallium/auxiliary/util/u_format_zs.c | 893 |
1 files changed, 893 insertions, 0 deletions
diff --git a/src/gallium/auxiliary/util/u_format_zs.c b/src/gallium/auxiliary/util/u_format_zs.c new file mode 100644 index 0000000000..68c88e520c --- /dev/null +++ b/src/gallium/auxiliary/util/u_format_zs.c @@ -0,0 +1,893 @@ +/************************************************************************** + * + * 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. + * + **************************************************************************/ + + +#include "u_debug.h" +#include "u_math.h" +#include "u_format_zs.h" + + +void +util_format_s8_uscaled_unpack_s_8uscaled(uint8_t *dst_row, unsigned dst_stride, + const uint8_t *src_row, unsigned src_stride, + unsigned width, unsigned height) +{ + unsigned y; + for(y = 0; y < height; ++y) { + memcpy(dst_row, src_row, width); + src_row += src_stride/sizeof(*src_row); + dst_row += dst_stride/sizeof(*dst_row); + } +} + +void +util_format_s8_uscaled_pack_s_8uscaled(uint8_t *dst_row, unsigned dst_stride, + const uint8_t *src_row, unsigned src_stride, + unsigned width, unsigned height) +{ + unsigned y; + for(y = 0; y < height; ++y) { + memcpy(dst_row, src_row, width); + src_row += src_stride/sizeof(*src_row); + dst_row += dst_stride/sizeof(*dst_row); + } +} + +void +util_format_z16_unorm_unpack_z_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) { + float *dst = dst_row; + const uint16_t *src = (const uint16_t *)src_row; + for(x = 0; x < width; ++x) { + uint16_t value = *src++; +#ifdef PIPE_ARCH_BIG_ENDIAN + value = util_bswap16(value); +#endif + dst[0] = (float)(value * (1.0f/0xffff)); + dst += 1; + } + src_row += src_stride/sizeof(*src_row); + dst_row += dst_stride/sizeof(*dst_row); + } +} + +void +util_format_z16_unorm_pack_z_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) { + const float *src = src_row; + uint16_t *dst = (uint16_t *)dst_row; + for(x = 0; x < width; ++x) { + uint16_t value; + value = (uint16_t)(*src * 0xffff); +#ifdef PIPE_ARCH_BIG_ENDIAN + value = util_bswap16(value); +#endif + *dst++ = value; + src += 1; + } + dst_row += dst_stride/sizeof(*dst_row); + src_row += src_stride/sizeof(*src_row); + } +} + +void +util_format_z16_unorm_unpack_z_32unorm(uint32_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) { + uint32_t *dst = dst_row; + const uint16_t *src = (const uint16_t *)src_row; + for(x = 0; x < width; ++x) { + uint16_t value = *src++; +#ifdef PIPE_ARCH_BIG_ENDIAN + value = util_bswap16(value); +#endif + /* value * 0xffffffff / 0xffff */ + *dst++ = (value << 16) | value; + } + src_row += src_stride/sizeof(*src_row); + dst_row += dst_stride/sizeof(*dst_row); + } +} + +void +util_format_z16_unorm_pack_z_32unorm(uint8_t *dst_row, unsigned dst_stride, + const uint32_t *src_row, unsigned src_stride, + unsigned width, unsigned height) +{ + unsigned x, y; + for(y = 0; y < height; ++y) { + const uint32_t *src = src_row; + uint16_t *dst = (uint16_t *)dst_row; + for(x = 0; x < width; ++x) { + uint16_t value; + value = (uint16_t)(*src++ >> 16); +#ifdef PIPE_ARCH_BIG_ENDIAN + value = util_bswap16(value); +#endif + *dst++ = value; + } + dst_row += dst_stride/sizeof(*dst_row); + src_row += src_stride/sizeof(*src_row); + } +} + +void +util_format_z32_unorm_unpack_z_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) { + float *dst = dst_row; + const uint32_t *src = (const uint32_t *)src_row; + for(x = 0; x < width; ++x) { + uint32_t value = *src++; +#ifdef PIPE_ARCH_BIG_ENDIAN + value = util_bswap32(value); +#endif + *dst++ = (float)(value * (1.0/0xffffffff)); + } + src_row += src_stride/sizeof(*src_row); + dst_row += dst_stride/sizeof(*dst_row); + } +} + +void +util_format_z32_unorm_pack_z_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) { + const float *src = src_row; + uint32_t *dst = (uint32_t *)dst_row; + for(x = 0; x < width; ++x) { + uint32_t value; + value = (uint32_t)(*src * (double)0xffffffff); +#ifdef PIPE_ARCH_BIG_ENDIAN + value = util_bswap32(value); +#endif + *dst++ = value; + ++src; + } + dst_row += dst_stride/sizeof(*dst_row); + src_row += src_stride/sizeof(*src_row); + } +} + +void +util_format_z32_unorm_unpack_z_32unorm(uint32_t *dst_row, unsigned dst_stride, + const uint8_t *src_row, unsigned src_stride, + unsigned width, unsigned height) +{ + unsigned y; + for(y = 0; y < height; ++y) { + memcpy(dst_row, src_row, width * 4); + src_row += src_stride/sizeof(*src_row); + dst_row += dst_stride/sizeof(*dst_row); + } +} + +void +util_format_z32_unorm_pack_z_32unorm(uint8_t *dst_row, unsigned dst_stride, + const uint32_t *src_row, unsigned src_stride, + unsigned width, unsigned height) +{ + unsigned y; + for(y = 0; y < height; ++y) { + memcpy(dst_row, src_row, width * 4); + src_row += src_stride/sizeof(*src_row); + dst_row += dst_stride/sizeof(*dst_row); + } +} + +void +util_format_z32_float_unpack_z_float(float *dst_row, unsigned dst_stride, + const uint8_t *src_row, unsigned src_stride, + unsigned width, unsigned height) +{ + unsigned y; + for(y = 0; y < height; ++y) { + memcpy(dst_row, src_row, width * 4); + src_row += src_stride/sizeof(*src_row); + dst_row += dst_stride/sizeof(*dst_row); + } +} + +void +util_format_z32_float_pack_z_float(uint8_t *dst_row, unsigned dst_stride, + const float *src_row, unsigned src_stride, + unsigned width, unsigned height) +{ + unsigned y; + for(y = 0; y < height; ++y) { + memcpy(dst_row, src_row, width * 4); + src_row += src_stride/sizeof(*src_row); + dst_row += dst_stride/sizeof(*dst_row); + } +} + +void +util_format_z32_float_unpack_z_32unorm(uint32_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) { + uint32_t *dst = dst_row; + const float *src = (const float *)src_row; + for(x = 0; x < width; ++x) { + *dst++ = (uint32_t)(*src++ * (double)0xffffffff); + } + src_row += src_stride/sizeof(*src_row); + dst_row += dst_stride/sizeof(*dst_row); + } +} + +void +util_format_z32_float_pack_z_32unorm(uint8_t *dst_row, unsigned dst_stride, + const uint32_t *src_row, unsigned src_stride, + unsigned width, unsigned height) +{ + unsigned x, y; + for(y = 0; y < height; ++y) { + const uint32_t *src = src_row; + float *dst = (float *)dst_row; + for(x = 0; x < width; ++x) { + *dst++ = (float)(*src++ * (1.0/0xffffffff)); + } + dst_row += dst_stride/sizeof(*dst_row); + src_row += src_stride/sizeof(*src_row); + } +} + +void +util_format_z24_unorm_s8_uscaled_unpack_z_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) { + float *dst = dst_row; + const uint32_t *src = (const uint32_t *)src_row; + for(x = 0; x < width; ++x) { + uint32_t value = *src++; + uint32_t z; +#ifdef PIPE_ARCH_BIG_ENDIAN + value = util_bswap32(value); +#endif + z = (value) & 0xffffff; + *dst++ = (float)(z * (1.0/0xffffff)); + } + src_row += src_stride/sizeof(*src_row); + dst_row += dst_stride/sizeof(*dst_row); + } +} + +void +util_format_z24_unorm_s8_uscaled_pack_z_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) { + const float *src = src_row; + uint32_t *dst = (uint32_t *)dst_row; + for(x = 0; x < width; ++x) { + uint32_t value = *dst; +#ifdef PIPE_ARCH_BIG_ENDIAN + value = util_bswap32(value); +#endif + value &= 0xff000000; + value |= ((uint32_t)(*src++ * (double)0xffffff)) & 0xffffff; +#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_z24_unorm_s8_uscaled_unpack_z_32unorm(uint32_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) { + uint32_t *dst = dst_row; + const uint32_t *src = (const uint32_t *)src_row; + for(x = 0; x < width; ++x) { + uint32_t value = *src++; + uint32_t z; +#ifdef PIPE_ARCH_BIG_ENDIAN + value = util_bswap32(value); +#endif + z = value & 0xffffff; + *dst++ = (z << 8) | (z >> 16); /* z * 0xffffffff / 0xffffff */; + } + src_row += src_stride/sizeof(*src_row); + dst_row += dst_stride/sizeof(*dst_row); + } +} + +void +util_format_z24_unorm_s8_uscaled_pack_z_32unorm(uint8_t *dst_row, unsigned dst_stride, + const uint32_t *src_row, unsigned src_stride, + unsigned width, unsigned height) +{ + unsigned x, y; + for(y = 0; y < height; ++y) { + const uint32_t *src = src_row; + uint32_t *dst = (uint32_t *)dst_row; + for(x = 0; x < width; ++x) { + uint32_t value; + value = ((uint32_t)(*src >> 8)) & 0xffffff; + value = ((uint32_t)(((uint64_t)src[1]) * 0x1 / 0xffffffff)) << 24; +#ifdef PIPE_ARCH_BIG_ENDIAN + value = util_bswap32(value); +#endif + *dst++ = value; + src += 1; + dst += 4; + } + dst_row += dst_stride/sizeof(*dst_row); + src_row += src_stride/sizeof(*src_row); + } +} + +void +util_format_z24_unorm_s8_uscaled_unpack_s_8uscaled(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) { + uint8_t *dst = dst_row; + const uint8_t *src = src_row; + for(x = 0; x < width; ++x) { + uint32_t value = *(const uint32_t *)src; + uint32_t z; + uint32_t s; +#ifdef PIPE_ARCH_BIG_ENDIAN + value = util_bswap32(value); +#endif + z = (value) & 0xffffff; + s = value >> 24; + dst[1] = s; + src += 4; + dst += 1; + } + src_row += src_stride/sizeof(*src_row); + dst_row += dst_stride/sizeof(*dst_row); + } +} + +void +util_format_z24_unorm_s8_uscaled_pack_s_8uscaled(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) { + const uint8_t *src = src_row; + uint8_t *dst = dst_row; + for(x = 0; x < width; ++x) { + uint32_t value; + value = ((uint32_t)(((uint32_t)MIN2(*src, 1)) * 0xffffff / 0x1)) & 0xffffff; + value = (src[1]) << 24; +#ifdef PIPE_ARCH_BIG_ENDIAN + value = util_bswap32(value); +#endif + *(uint32_t *)dst = value; + src += 1; + dst += 4; + } + dst_row += dst_stride/sizeof(*dst_row); + src_row += src_stride/sizeof(*src_row); + } +} + +void +util_format_s8_uscaled_z24_unorm_unpack_z_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) { + float *dst = dst_row; + const uint8_t *src = src_row; + for(x = 0; x < width; ++x) { + uint32_t value = *(const uint32_t *)src; + uint32_t s; + uint32_t z; +#ifdef PIPE_ARCH_BIG_ENDIAN + value = util_bswap32(value); +#endif + s = (value) & 0xff; + z = value >> 8; + dst[0] = (float)(z * (1.0/0xffffff)); + src += 4; + dst += 1; + } + src_row += src_stride/sizeof(*src_row); + dst_row += dst_stride/sizeof(*dst_row); + } +} + +void +util_format_s8_uscaled_z24_unorm_pack_z_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) { + const float *src = src_row; + uint8_t *dst = dst_row; + for(x = 0; x < width; ++x) { + uint32_t value; + value = ((uint32_t)CLAMP(src[1], 0, 255)) & 0xff; + value = ((uint32_t)(*src * (double)0xffffff)) << 8; +#ifdef PIPE_ARCH_BIG_ENDIAN + value = util_bswap32(value); +#endif + *(uint32_t *)dst = value; + src += 1; + dst += 4; + } + dst_row += dst_stride/sizeof(*dst_row); + src_row += src_stride/sizeof(*src_row); + } +} + +void +util_format_s8_uscaled_z24_unorm_unpack_z_32unorm(uint32_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) { + uint32_t *dst = dst_row; + const uint8_t *src = src_row; + for(x = 0; x < width; ++x) { + uint32_t value = *(const uint32_t *)src; + uint32_t s; + uint32_t z; +#ifdef PIPE_ARCH_BIG_ENDIAN + value = util_bswap32(value); +#endif + s = (value) & 0xff; + z = value >> 8; + dst[0] = (uint32_t)(((uint64_t)z) * 0xffffffff / 0xffffff); + src += 4; + dst += 1; + } + src_row += src_stride/sizeof(*src_row); + dst_row += dst_stride/sizeof(*dst_row); + } +} + +void +util_format_s8_uscaled_z24_unorm_pack_z_32unorm(uint8_t *dst_row, unsigned dst_stride, + const uint32_t *src_row, unsigned src_stride, + unsigned width, unsigned height) +{ + unsigned x, y; + for(y = 0; y < height; ++y) { + const uint32_t *src = src_row; + uint8_t *dst = dst_row; + for(x = 0; x < width; ++x) { + uint32_t value; + value = ((uint32_t)(((uint64_t)src[1]) * 0x1 / 0xffffffff)) & 0xff; + value = ((uint32_t)(*src >> 8)) << 8; +#ifdef PIPE_ARCH_BIG_ENDIAN + value = util_bswap32(value); +#endif + *(uint32_t *)dst = value; + src += 1; + dst += 4; + } + dst_row += dst_stride/sizeof(*dst_row); + src_row += src_stride/sizeof(*src_row); + } +} + +void +util_format_s8_uscaled_z24_unorm_unpack_s_8uscaled(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) { + uint8_t *dst = dst_row; + const uint8_t *src = src_row; + for(x = 0; x < width; ++x) { + uint32_t value = *(const uint32_t *)src; + uint32_t s; + uint32_t z; +#ifdef PIPE_ARCH_BIG_ENDIAN + value = util_bswap32(value); +#endif + s = (value) & 0xff; + z = value >> 8; + dst[1] = s; + src += 4; + dst += 1; + } + src_row += src_stride/sizeof(*src_row); + dst_row += dst_stride/sizeof(*dst_row); + } +} + +void +util_format_s8_uscaled_z24_unorm_pack_s_8uscaled(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) { + const uint8_t *src = src_row; + uint8_t *dst = dst_row; + for(x = 0; x < width; ++x) { + uint32_t value; + value = (src[1]) & 0xff; + value = ((uint32_t)(((uint32_t)MIN2(*src, 1)) * 0xffffff / 0x1)) << 8; +#ifdef PIPE_ARCH_BIG_ENDIAN + value = util_bswap32(value); +#endif + *(uint32_t *)dst = value; + src += 1; + dst += 4; + } + dst_row += dst_stride/sizeof(*dst_row); + src_row += src_stride/sizeof(*src_row); + } +} + +void +util_format_z24x8_unorm_unpack_z_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) { + float *dst = dst_row; + const uint8_t *src = src_row; + for(x = 0; x < width; ++x) { + uint32_t value = *(const uint32_t *)src; + uint32_t z; +#ifdef PIPE_ARCH_BIG_ENDIAN + value = util_bswap32(value); +#endif + z = (value) & 0xffffff; + dst[0] = (float)(z * (1.0/0xffffff)); + src += 4; + dst += 1; + } + src_row += src_stride/sizeof(*src_row); + dst_row += dst_stride/sizeof(*dst_row); + } +} + +void +util_format_z24x8_unorm_pack_z_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) { + const float *src = src_row; + uint8_t *dst = dst_row; + for(x = 0; x < width; ++x) { + uint32_t value; + value = ((uint32_t)(*src * (double)0xffffff)) & 0xffffff; +#ifdef PIPE_ARCH_BIG_ENDIAN + value = util_bswap32(value); +#endif + *(uint32_t *)dst = value; + src += 1; + dst += 4; + } + dst_row += dst_stride/sizeof(*dst_row); + src_row += src_stride/sizeof(*src_row); + } +} + +void +util_format_z24x8_unorm_unpack_z_32unorm(uint32_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) { + uint32_t *dst = dst_row; + const uint8_t *src = src_row; + for(x = 0; x < width; ++x) { + uint32_t value = *(const uint32_t *)src; + uint32_t z; +#ifdef PIPE_ARCH_BIG_ENDIAN + value = util_bswap32(value); +#endif + z = (value) & 0xffffff; + dst[0] = (uint32_t)(((uint64_t)z) * 0xffffffff / 0xffffff); + src += 4; + dst += 1; + } + src_row += src_stride/sizeof(*src_row); + dst_row += dst_stride/sizeof(*dst_row); + } +} + +void +util_format_z24x8_unorm_pack_z_32unorm(uint8_t *dst_row, unsigned dst_stride, + const uint32_t *src_row, unsigned src_stride, + unsigned width, unsigned height) +{ + unsigned x, y; + for(y = 0; y < height; ++y) { + const uint32_t *src = src_row; + uint8_t *dst = dst_row; + for(x = 0; x < width; ++x) { + uint32_t value; + value = ((uint32_t)(*src >> 8)) & 0xffffff; +#ifdef PIPE_ARCH_BIG_ENDIAN + value = util_bswap32(value); +#endif + *(uint32_t *)dst = value; + src += 1; + dst += 4; + } + dst_row += dst_stride/sizeof(*dst_row); + src_row += src_stride/sizeof(*src_row); + } +} + +void +util_format_x8z24_unorm_unpack_z_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) { + float *dst = dst_row; + const uint8_t *src = src_row; + for(x = 0; x < width; ++x) { + uint32_t value = *(const uint32_t *)src; + uint32_t z; +#ifdef PIPE_ARCH_BIG_ENDIAN + value = util_bswap32(value); +#endif + z = value >> 8; + dst[0] = (float)(z * (1.0/0xffffff)); + src += 4; + dst += 1; + } + src_row += src_stride/sizeof(*src_row); + dst_row += dst_stride/sizeof(*dst_row); + } +} + +void +util_format_x8z24_unorm_pack_z_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) { + const float *src = src_row; + uint8_t *dst = dst_row; + for(x = 0; x < width; ++x) { + uint32_t value; + value = ((uint32_t)(*src * (double)0xffffff)) << 8; +#ifdef PIPE_ARCH_BIG_ENDIAN + value = util_bswap32(value); +#endif + *(uint32_t *)dst = value; + src += 1; + dst += 4; + } + dst_row += dst_stride/sizeof(*dst_row); + src_row += src_stride/sizeof(*src_row); + } +} + +void +util_format_x8z24_unorm_unpack_z_32unorm(uint32_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) { + uint32_t *dst = dst_row; + const uint8_t *src = src_row; + for(x = 0; x < width; ++x) { + uint32_t value = *(const uint32_t *)src; + uint32_t z; +#ifdef PIPE_ARCH_BIG_ENDIAN + value = util_bswap32(value); +#endif + z = value >> 8; + dst[0] = (uint32_t)(((uint64_t)z) * 0xffffffff / 0xffffff); + src += 4; + dst += 1; + } + src_row += src_stride/sizeof(*src_row); + dst_row += dst_stride/sizeof(*dst_row); + } +} + +void +util_format_x8z24_unorm_pack_z_32unorm(uint8_t *dst_row, unsigned dst_stride, + const uint32_t *src_row, unsigned src_stride, + unsigned width, unsigned height) +{ + unsigned x, y; + for(y = 0; y < height; ++y) { + const uint32_t *src = src_row; + uint8_t *dst = dst_row; + for(x = 0; x < width; ++x) { + uint32_t value; + value = ((uint32_t)(*src >> 8)) << 8; +#ifdef PIPE_ARCH_BIG_ENDIAN + value = util_bswap32(value); +#endif + *(uint32_t *)dst = value; + src += 1; + dst += 4; + } + dst_row += dst_stride/sizeof(*dst_row); + src_row += src_stride/sizeof(*src_row); + } +} + +void +util_format_z32_float_s8x24_uscaled_unpack_z_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) { + float *dst = dst_row; + const float *src = (const float *)src_row; + for(x = 0; x < width; ++x) { + *dst = *src; + src += 2; + dst += 1; + } + src_row += src_stride/sizeof(*src_row); + dst_row += dst_stride/sizeof(*dst_row); + } +} + +void +util_format_z32_float_s8x24_uscaled_pack_z_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) { + const float *src = src_row; + float *dst = (float *)dst_row; + for(x = 0; x < width; ++x) { + *dst = *src; + src += 1; + dst += 2; + } + dst_row += dst_stride/sizeof(*dst_row); + src_row += src_stride/sizeof(*src_row); + } +} + +void +util_format_z32_float_s8x24_uscaled_unpack_z_32unorm(uint32_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) { + uint32_t *dst = dst_row; + const float *src = (const float *)src_row; + for(x = 0; x < width; ++x) { + *dst = (uint32_t)(*src * (double)0xffffffff); + src += 2; + dst += 1; + } + src_row += src_stride/sizeof(*src_row); + dst_row += dst_stride/sizeof(*dst_row); + } +} + +void +util_format_z32_float_s8x24_uscaled_pack_z_32unorm(uint8_t *dst_row, unsigned dst_stride, + const uint32_t *src_row, unsigned src_stride, + unsigned width, unsigned height) +{ + unsigned x, y; + for(y = 0; y < height; ++y) { + const uint32_t *src = src_row; + float *dst = (float *)dst_row; + for(x = 0; x < width; ++x) { + *dst = (float)(*src * (1.0/0xffffffff)); + src += 2; + dst += 1; + } + dst_row += dst_stride/sizeof(*dst_row); + src_row += src_stride/sizeof(*src_row); + } +} + +void +util_format_z32_float_s8x24_uscaled_unpack_s_8uscaled(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) { + uint8_t *dst = dst_row; + const uint8_t *src = src_row + 4; + for(x = 0; x < width; ++x) { + *dst = *src; + src += 8; + dst += 1; + } + src_row += src_stride/sizeof(*src_row); + dst_row += dst_stride/sizeof(*dst_row); + } +} + +void +util_format_z32_float_s8x24_uscaled_pack_s_8uscaled(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) { + const uint8_t *src = src_row; + uint8_t *dst = dst_row + 4; + for(x = 0; x < width; ++x) { + *dst = *src; + src += 1; + dst += 8; + } + dst_row += dst_stride/sizeof(*dst_row); + src_row += src_stride/sizeof(*src_row); + } +} + |