diff options
Diffstat (limited to 'src/gallium')
| -rw-r--r-- | src/gallium/auxiliary/util/u_format_s3tc.c | 55 |
1 files changed, 54 insertions, 1 deletions
diff --git a/src/gallium/auxiliary/util/u_format_s3tc.c b/src/gallium/auxiliary/util/u_format_s3tc.c index 4fe00b0e436..bb1d6d5ee07 100644 --- a/src/gallium/auxiliary/util/u_format_s3tc.c +++ b/src/gallium/auxiliary/util/u_format_s3tc.c @@ -188,12 +188,43 @@ util_format_dxt5_rgba_fetch_float(float *dst, const uint8_t *src, unsigned i, un void util_format_dxt1_rgb_unpack_8unorm(uint8_t *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height) { + if (util_format_dxt1_rgb_fetch) { + unsigned x, y, i, j; + for(y = 0; y < height; y += 4) { + const uint8_t *src = src_row; + for(x = 0; x < width; x += 4) { + for(j = 0; j < 4; ++j) { + for(i = 0; i < 4; ++i) { + uint8_t *dst = dst_row + (y + j)*dst_stride/sizeof(*dst_row) + (x + i)*4; + util_format_dxt1_rgb_fetch(0, src, i, j, dst); + } + } + src += 8; + } + src_row += src_stride; + } + } } void util_format_dxt1_rgba_unpack_8unorm(uint8_t *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height) { - + if (util_format_dxt1_rgba_fetch) { + unsigned x, y, i, j; + for(y = 0; y < height; y += 4) { + const uint8_t *src = src_row; + for(x = 0; x < width; x += 4) { + for(j = 0; j < 4; ++j) { + for(i = 0; i < 4; ++i) { + uint8_t *dst = dst_row + (y + j)*dst_stride/sizeof(*dst_row) + (x + i)*4; + util_format_dxt1_rgba_fetch(0, src, i, j, dst); + } + } + src += 8; + } + src_row += src_stride; + } + } } void @@ -320,6 +351,28 @@ util_format_dxt5_rgba_unpack_float(float *dst_row, unsigned dst_stride, const ui void util_format_dxt1_rgb_pack_8unorm(uint8_t *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height) { + if (util_format_dxtn_pack) { + unsigned x, y, i, j, k; + for(y = 0; y < height; y += 4) { + const uint8_t *src = src_row; + uint8_t *dst = dst_row; + for(x = 0; x < width; x += 4) { + uint8_t tmp[4][4][3]; + for(j = 0; j < 4; ++j) { + for(i = 0; i < 4; ++i) { + for(k = 0; k < 3; ++k) { + tmp[j][i][k] = src[(y + j)*src_stride/sizeof(*src) + i*4 + k]; + } + } + } + util_format_dxtn_pack(3, 4, 4, src, UTIL_FORMAT_DXT1_RGB, dst, dst_stride); + src += 4*4; + dst += 8; + } + src_row += src_stride; + dst_row += 4*dst_stride/sizeof(*dst_row); + } + } } void |