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Diffstat (limited to 'src/util/format/u_format_other.c')
| -rw-r--r-- | src/util/format/u_format_other.c | 422 |
1 files changed, 422 insertions, 0 deletions
diff --git a/src/util/format/u_format_other.c b/src/util/format/u_format_other.c new file mode 100644 index 00000000000..5599bfde387 --- /dev/null +++ b/src/util/format/u_format_other.c @@ -0,0 +1,422 @@ +/************************************************************************** + * + * 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 "util/format/u_format_other.h" +#include "util/u_math.h" +#include "util/format_rgb9e5.h" +#include "util/format_r11g11b10f.h" + + +void +util_format_r9g9b9e5_float_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 uint8_t *src = src_row; + for(x = 0; x < width; x += 1) { + uint32_t value = util_cpu_to_le32(*(const uint32_t *)src); + rgb9e5_to_float3(value, dst); + dst[3] = 1; /* a */ + src += 4; + dst += 4; + } + src_row += src_stride; + dst_row += dst_stride/sizeof(*dst_row); + } +} + +void +util_format_r9g9b9e5_float_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; + uint8_t *dst = dst_row; + for(x = 0; x < width; x += 1) { + uint32_t value = util_cpu_to_le32(float3_to_rgb9e5(src)); + *(uint32_t *)dst = value; + src += 4; + dst += 4; + } + dst_row += dst_stride; + src_row += src_stride/sizeof(*src_row); + } +} + +void +util_format_r9g9b9e5_float_fetch_rgba_float(float *dst, const uint8_t *src, + UNUSED unsigned i, UNUSED unsigned j) +{ + uint32_t value = util_cpu_to_le32(*(const uint32_t *)src); + rgb9e5_to_float3(value, dst); + dst[3] = 1; /* a */ +} + + +void +util_format_r9g9b9e5_float_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; + float p[3]; + for(y = 0; y < height; y += 1) { + uint8_t *dst = dst_row; + const uint8_t *src = src_row; + for(x = 0; x < width; x += 1) { + uint32_t value = util_cpu_to_le32(*(const uint32_t *)src); + rgb9e5_to_float3(value, p); + dst[0] = float_to_ubyte(p[0]); /* r */ + dst[1] = float_to_ubyte(p[1]); /* g */ + dst[2] = float_to_ubyte(p[2]); /* b */ + dst[3] = 255; /* a */ + src += 4; + dst += 4; + } + src_row += src_stride; + dst_row += dst_stride/sizeof(*dst_row); + } +} + + +void +util_format_r9g9b9e5_float_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; + float p[3]; + for(y = 0; y < height; y += 1) { + const uint8_t *src = src_row; + uint8_t *dst = dst_row; + for(x = 0; x < width; x += 1) { + uint32_t value; + p[0] = ubyte_to_float(src[0]); + p[1] = ubyte_to_float(src[1]); + p[2] = ubyte_to_float(src[2]); + value = util_cpu_to_le32(float3_to_rgb9e5(p)); + *(uint32_t *)dst = value; + src += 4; + dst += 4; + } + dst_row += dst_stride; + src_row += src_stride/sizeof(*src_row); + } +} + + +void +util_format_r11g11b10_float_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 uint8_t *src = src_row; + for(x = 0; x < width; x += 1) { + uint32_t value = util_cpu_to_le32(*(const uint32_t *)src); + r11g11b10f_to_float3(value, dst); + dst[3] = 1; /* a */ + src += 4; + dst += 4; + } + src_row += src_stride; + dst_row += dst_stride/sizeof(*dst_row); + } +} + +void +util_format_r11g11b10_float_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; + uint8_t *dst = dst_row; + for(x = 0; x < width; x += 1) { + uint32_t value = util_cpu_to_le32(float3_to_r11g11b10f(src)); + *(uint32_t *)dst = value; + src += 4; + dst += 4; + } + dst_row += dst_stride; + src_row += src_stride/sizeof(*src_row); + } +} + +void +util_format_r11g11b10_float_fetch_rgba_float(float *dst, const uint8_t *src, + UNUSED unsigned i, UNUSED unsigned j) +{ + uint32_t value = util_cpu_to_le32(*(const uint32_t *)src); + r11g11b10f_to_float3(value, dst); + dst[3] = 1; /* a */ +} + + +void +util_format_r11g11b10_float_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; + float p[3]; + for(y = 0; y < height; y += 1) { + uint8_t *dst = dst_row; + const uint8_t *src = src_row; + for(x = 0; x < width; x += 1) { + uint32_t value = util_cpu_to_le32(*(const uint32_t *)src); + r11g11b10f_to_float3(value, p); + dst[0] = float_to_ubyte(p[0]); /* r */ + dst[1] = float_to_ubyte(p[1]); /* g */ + dst[2] = float_to_ubyte(p[2]); /* b */ + dst[3] = 255; /* a */ + src += 4; + dst += 4; + } + src_row += src_stride; + dst_row += dst_stride/sizeof(*dst_row); + } +} + + +void +util_format_r11g11b10_float_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; + float p[3]; + for(y = 0; y < height; y += 1) { + const uint8_t *src = src_row; + uint8_t *dst = dst_row; + for(x = 0; x < width; x += 1) { + uint32_t value; + p[0] = ubyte_to_float(src[0]); + p[1] = ubyte_to_float(src[1]); + p[2] = ubyte_to_float(src[2]); + value = util_cpu_to_le32(float3_to_r11g11b10f(p)); + *(uint32_t *)dst = value; + src += 4; + dst += 4; + } + dst_row += dst_stride; + src_row += src_stride/sizeof(*src_row); + } +} + + +void +util_format_r1_unorm_unpack_rgba_float(UNUSED float *dst_row, UNUSED unsigned dst_stride, + UNUSED const uint8_t *src_row, UNUSED unsigned src_stride, + UNUSED unsigned width, UNUSED unsigned height) +{ + +} + + +void +util_format_r1_unorm_pack_rgba_float(UNUSED uint8_t *dst_row, UNUSED unsigned dst_stride, + UNUSED const float *src_row, UNUSED unsigned src_stride, + UNUSED unsigned width, UNUSED unsigned height) +{ + +} + + +void +util_format_r1_unorm_fetch_rgba_float(UNUSED float *dst, UNUSED const uint8_t *src, + UNUSED unsigned i, UNUSED unsigned j) +{ + +} + + +void +util_format_r1_unorm_unpack_rgba_8unorm(UNUSED uint8_t *dst_row, UNUSED unsigned dst_stride, + UNUSED const uint8_t *src_row, UNUSED unsigned src_stride, + UNUSED unsigned width, UNUSED unsigned height) +{ + +} + + +void +util_format_r1_unorm_pack_rgba_8unorm(UNUSED uint8_t *dst_row, UNUSED unsigned dst_stride, + UNUSED const uint8_t *src_row, UNUSED unsigned src_stride, + UNUSED unsigned width, UNUSED unsigned height) +{ +} + + +/* + * PIPE_FORMAT_R8G8Bx_SNORM + * + * A.k.a. D3DFMT_CxV8U8 + */ + +static uint8_t +r8g8bx_derive(int16_t r, int16_t g) +{ + /* Derive blue from red and green components. + * Apparently, we must always use integers to perform calculations, + * otherwise the results won't match D3D's CxV8U8 definition. + */ + return (uint8_t)sqrtf(0x7f * 0x7f - r * r - g * g) * 0xff / 0x7f; +} + +void +util_format_r8g8bx_snorm_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 uint16_t *src = (const uint16_t *)src_row; + for(x = 0; x < width; x += 1) { + uint16_t value = util_cpu_to_le16(*src++); + int16_t r, g; + + r = ((int16_t)(value << 8)) >> 8; + g = ((int16_t)(value << 0)) >> 8; + + dst[0] = (float)(r * (1.0f/0x7f)); /* r */ + dst[1] = (float)(g * (1.0f/0x7f)); /* g */ + dst[2] = r8g8bx_derive(r, g) * (1.0f/0xff); /* b */ + dst[3] = 1.0f; /* a */ + dst += 4; + } + src_row += src_stride; + dst_row += dst_stride/sizeof(*dst_row); + } +} + + +void +util_format_r8g8bx_snorm_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 uint16_t *src = (const uint16_t *)src_row; + for(x = 0; x < width; x += 1) { + uint16_t value = util_cpu_to_le16(*src++); + int16_t r, g; + + r = ((int16_t)(value << 8)) >> 8; + g = ((int16_t)(value << 0)) >> 8; + + dst[0] = (uint8_t)(((uint16_t)MAX2(r, 0)) * 0xff / 0x7f); /* r */ + dst[1] = (uint8_t)(((uint16_t)MAX2(g, 0)) * 0xff / 0x7f); /* g */ + dst[2] = r8g8bx_derive(r, g); /* b */ + dst[3] = 255; /* a */ + dst += 4; + } + src_row += src_stride; + dst_row += dst_stride/sizeof(*dst_row); + } +} + + +void +util_format_r8g8bx_snorm_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; + uint16_t *dst = (uint16_t *)dst_row; + for(x = 0; x < width; x += 1) { + uint16_t value = 0; + + value |= (uint16_t)(((int8_t)(CLAMP(src[0], -1, 1) * 0x7f)) & 0xff) ; + value |= (uint16_t)((((int8_t)(CLAMP(src[1], -1, 1) * 0x7f)) & 0xff) << 8) ; + + *dst++ = util_le16_to_cpu(value); + + src += 4; + } + dst_row += dst_stride; + src_row += src_stride/sizeof(*src_row); + } +} + + +void +util_format_r8g8bx_snorm_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; + uint16_t *dst = (uint16_t *)dst_row; + for(x = 0; x < width; x += 1) { + uint16_t value = 0; + + value |= src[0] >> 1; + value |= (src[1] >> 1) << 8; + + *dst++ = util_le16_to_cpu(value); + + src += 4; + } + dst_row += dst_stride; + src_row += src_stride/sizeof(*src_row); + } +} + + +void +util_format_r8g8bx_snorm_fetch_rgba_float(float *dst, const uint8_t *src, + UNUSED unsigned i, UNUSED unsigned j) +{ + uint16_t value = util_cpu_to_le16(*(const uint16_t *)src); + int16_t r, g; + + r = ((int16_t)(value << 8)) >> 8; + g = ((int16_t)(value << 0)) >> 8; + + dst[0] = r * (1.0f/0x7f); /* r */ + dst[1] = g * (1.0f/0x7f); /* g */ + dst[2] = r8g8bx_derive(r, g) * (1.0f/0xff); /* b */ + dst[3] = 1.0f; /* a */ +} |