diff options
Diffstat (limited to 'src/gallium/auxiliary/util')
| -rw-r--r-- | src/gallium/auxiliary/util/u_format_other.c | 87 |
1 files changed, 82 insertions, 5 deletions
diff --git a/src/gallium/auxiliary/util/u_format_other.c b/src/gallium/auxiliary/util/u_format_other.c index fa42ec37138..a44cc01673b 100644 --- a/src/gallium/auxiliary/util/u_format_other.c +++ b/src/gallium/auxiliary/util/u_format_other.c @@ -28,6 +28,7 @@ #include "u_math.h" #include "u_format_other.h" +#include "../../../mesa/main/rgb9e5.h" void @@ -35,7 +36,23 @@ 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 = *(const uint32_t *)src; +#ifdef PIPE_ARCH_BIG_ENDIAN + value = util_bswap32(value); +#endif + 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 @@ -43,14 +60,34 @@ 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 = float3_to_rgb9e5(src); +#ifdef PIPE_ARCH_BIG_ENDIAN + value = util_bswap32(value); +#endif + *(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, unsigned i, unsigned j) { - + uint32_t value = *(const uint32_t *)src; +#ifdef PIPE_ARCH_BIG_ENDIAN + value = util_bswap32(value); +#endif + rgb9e5_to_float3(value, dst); + dst[3] = 1; /* a */ } @@ -59,7 +96,27 @@ util_format_r9g9b9e5_float_unpack_rgba_8unorm(uint8_t *dst_row, unsigned dst_str 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 = *(const uint32_t *)src; +#ifdef PIPE_ARCH_BIG_ENDIAN + value = util_bswap32(value); +#endif + 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); + } } @@ -68,7 +125,27 @@ util_format_r9g9b9e5_float_pack_rgba_8unorm(uint8_t *dst_row, unsigned dst_strid 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 = float3_to_rgb9e5(p); +#ifdef PIPE_ARCH_BIG_ENDIAN + value = util_bswap32(value); +#endif + *(uint32_t *)dst = value; + src += 4; + dst += 4; + } + dst_row += dst_stride; + src_row += src_stride/sizeof(*src_row); + } } |