From a6ed406d9fd044dafcd87ae45b1906a04edb325e Mon Sep 17 00:00:00 2001 From: Erik Faye-Lund Date: Tue, 23 Aug 2022 11:33:57 +0200 Subject: [PATCH] util/format: implement rgtc -> r8 / r8g8 unpack Reviewed-by: Alyssa Rosenzweig Acked-by: Eric Engestrom Tested-by: Eric Engestrom Part-of: --- src/util/format/u_format_rgtc.c | 102 ++++++++++++++++++++++++++++++++ src/util/format/u_format_rgtc.h | 12 ++++ 2 files changed, 114 insertions(+) diff --git a/src/util/format/u_format_rgtc.c b/src/util/format/u_format_rgtc.c index 63cb9f05396..49c37b4fb96 100644 --- a/src/util/format/u_format_rgtc.c +++ b/src/util/format/u_format_rgtc.c @@ -37,6 +37,30 @@ util_format_rgtc1_unorm_fetch_rgba_8unorm(uint8_t *restrict dst, const uint8_t * dst[3] = 255; } +void +util_format_rgtc1_unorm_unpack_r_8unorm(uint8_t *restrict dst_row, unsigned dst_stride, const uint8_t *restrict src_row, unsigned src_stride, unsigned width, unsigned height) +{ + const unsigned bw = 4, bh = 4, comps = 1; + unsigned x, y, i, j; + unsigned block_size = 8; + + for(y = 0; y < height; y += bh) { + const uint8_t *src = src_row; + const unsigned h = MIN2(height - y, bh); + for(x = 0; x < width; x += bw) { + const unsigned w = MIN2(width - x, bw); + for(j = 0; j < h; ++j) { + for(i = 0; i < w; ++i) { + uint8_t *dst = dst_row + (y + j)*dst_stride/sizeof(*dst_row) + (x + i)*comps; + util_format_unsigned_fetch_texel_rgtc(0, src, i, j, dst, 1); + } + } + src += block_size; + } + src_row += src_stride; + } +} + void util_format_rgtc1_unorm_unpack_rgba_8unorm(uint8_t *restrict dst_row, unsigned dst_stride, const uint8_t *restrict src_row, unsigned src_stride, unsigned width, unsigned height) { @@ -163,6 +187,32 @@ util_format_rgtc1_snorm_unpack_rgba_8unorm(UNUSED uint8_t *restrict dst_row, UNU fprintf(stderr,"%s\n", __func__); } +void +util_format_rgtc1_snorm_unpack_r_8snorm(int8_t *restrict dst_row, unsigned dst_stride, + const uint8_t *restrict src_row, unsigned src_stride, + unsigned width, unsigned height) +{ + const unsigned bw = 4, bh = 4, comps = 1; + unsigned x, y, i, j; + unsigned block_size = 8; + + for(y = 0; y < height; y += bh) { + const uint8_t *src = src_row; + const unsigned h = MIN2(height - y, bh); + for(x = 0; x < width; x += bw) { + const unsigned w = MIN2(width - x, bw); + for(j = 0; j < h; ++j) { + for(i = 0; i < w; ++i) { + int8_t *dst = dst_row + (y + j)*dst_stride/sizeof(*dst_row) + (x + i)*comps; + util_format_signed_fetch_texel_rgtc(0, (const int8_t *)src, i, j, dst, 1); + } + } + src += block_size; + } + src_row += src_stride; + } +} + void util_format_rgtc1_snorm_pack_rgba_8unorm(UNUSED uint8_t *restrict dst_row, UNUSED unsigned dst_stride, UNUSED const uint8_t *restrict src_row, UNUSED unsigned src_stride, @@ -242,6 +292,31 @@ util_format_rgtc2_unorm_fetch_rgba_8unorm(uint8_t *restrict dst, const uint8_t * dst[3] = 255; } +void +util_format_rgtc2_unorm_unpack_rg_8unorm(uint8_t *restrict dst_row, unsigned dst_stride, const uint8_t *restrict src_row, unsigned src_stride, unsigned width, unsigned height) +{ + const unsigned bw = 4, bh = 4, comps = 2; + unsigned x, y, i, j; + unsigned block_size = 16; + + for(y = 0; y < height; y += bh) { + const uint8_t *src = src_row; + const unsigned h = MIN2(height - y, bh); + for(x = 0; x < width; x += bw) { + const unsigned w = MIN2(width - x, bw); + for(j = 0; j < h; ++j) { + for(i = 0; i < w; ++i) { + uint8_t *dst = dst_row + (y + j)*dst_stride/sizeof(*dst_row) + (x + i)*comps; + util_format_unsigned_fetch_texel_rgtc(0, src, i, j, dst, 2); + util_format_unsigned_fetch_texel_rgtc(0, src + 8, i, j, dst + 1, 2); + } + } + src += block_size; + } + src_row += src_stride; + } +} + void util_format_rgtc2_unorm_unpack_rgba_8unorm(uint8_t *restrict dst_row, unsigned dst_stride, const uint8_t *restrict src_row, unsigned src_stride, unsigned width, unsigned height) { @@ -382,6 +457,33 @@ util_format_rgtc2_snorm_unpack_rgba_8unorm(UNUSED uint8_t *restrict dst_row, UNU fprintf(stderr,"%s\n", __func__); } +void +util_format_rgtc2_snorm_unpack_rg_8snorm(int8_t *restrict dst_row, unsigned dst_stride, + const uint8_t *restrict src_row, unsigned src_stride, + unsigned width, unsigned height) +{ + const unsigned bw = 4, bh = 4, comps = 2; + unsigned x, y, i, j; + unsigned block_size = 16; + + for(y = 0; y < height; y += bh) { + const uint8_t *src = src_row; + const unsigned h = MIN2(height - y, bh); + for(x = 0; x < width; x += bw) { + const unsigned w = MIN2(width - x, bw); + for(j = 0; j < h; ++j) { + for(i = 0; i < w; ++i) { + int8_t *dst = dst_row + (y + j)*dst_stride/sizeof(*dst_row) + (x + i)*comps; + util_format_signed_fetch_texel_rgtc(0, (const int8_t *)src, i, j, (int8_t *)dst, 2); + util_format_signed_fetch_texel_rgtc(0, (const int8_t *)src + 8, i, j, (int8_t *)dst + 1, 2); + } + } + src += block_size; + } + src_row += src_stride; + } +} + void util_format_rgtc2_snorm_pack_rgba_8unorm(UNUSED uint8_t *restrict dst_row, UNUSED unsigned dst_stride, UNUSED const uint8_t *restrict src_row, UNUSED unsigned src_stride, diff --git a/src/util/format/u_format_rgtc.h b/src/util/format/u_format_rgtc.h index c79e0197bae..dfcdfa0d3e1 100644 --- a/src/util/format/u_format_rgtc.h +++ b/src/util/format/u_format_rgtc.h @@ -33,6 +33,9 @@ void util_format_rgtc1_unorm_fetch_rgba_8unorm(uint8_t *restrict dst, const uint8_t *restrict src, unsigned i, unsigned j); +void +util_format_rgtc1_unorm_unpack_r_8unorm(uint8_t *restrict dst_row, unsigned dst_stride, const uint8_t *restrict src_row, unsigned src_stride, unsigned width, unsigned height); + void util_format_rgtc1_unorm_unpack_rgba_8unorm(uint8_t *restrict dst_row, unsigned dst_stride, const uint8_t *restrict src_row, unsigned src_stride, unsigned width, unsigned height); @@ -56,6 +59,9 @@ util_format_rgtc1_snorm_fetch_rgba_8unorm(uint8_t *restrict dst, const uint8_t * void util_format_rgtc1_snorm_unpack_rgba_8unorm(uint8_t *restrict dst_row, unsigned dst_stride, const uint8_t *restrict src_row, unsigned src_stride, unsigned width, unsigned height); +void +util_format_rgtc1_snorm_unpack_r_8snorm(int8_t *restrict dst_row, unsigned dst_stride, const uint8_t *restrict src_row, unsigned src_stride, unsigned width, unsigned height); + void util_format_rgtc1_snorm_pack_rgba_8unorm(uint8_t *restrict dst_row, unsigned dst_stride, const uint8_t *restrict src_row, unsigned src_stride, unsigned width, unsigned height); @@ -72,6 +78,9 @@ util_format_rgtc1_snorm_fetch_rgba(void *restrict dst, const uint8_t *restrict s void util_format_rgtc2_unorm_fetch_rgba_8unorm(uint8_t *restrict dst, const uint8_t *restrict src, unsigned i, unsigned j); +void +util_format_rgtc2_unorm_unpack_rg_8unorm(uint8_t *restrict dst_row, unsigned dst_stride, const uint8_t *restrict src_row, unsigned src_stride, unsigned width, unsigned height); + void util_format_rgtc2_unorm_unpack_rgba_8unorm(uint8_t *restrict dst_row, unsigned dst_stride, const uint8_t *restrict src_row, unsigned src_stride, unsigned width, unsigned height); @@ -97,6 +106,9 @@ util_format_rgtc2_snorm_fetch_rgba_8unorm(uint8_t *restrict dst, const uint8_t * void util_format_rgtc2_snorm_unpack_rgba_8unorm(uint8_t *restrict dst_row, unsigned dst_stride, const uint8_t *restrict src_row, unsigned src_stride, unsigned width, unsigned height); +void +util_format_rgtc2_snorm_unpack_rg_8snorm(int8_t *restrict dst_row, unsigned dst_stride, const uint8_t *restrict src_row, unsigned src_stride, unsigned width, unsigned height); + void util_format_rgtc2_snorm_pack_rgba_8unorm(uint8_t *restrict dst_row, unsigned dst_stride, const uint8_t *restrict src_row, unsigned src_stride, unsigned width, unsigned height);