| #include "pipe/p_compiler.h" |
| #include "util/u_debug.h" |
| #include "util/u_math.h" |
| #include "u_format_etc.h" |
| |
| /* define etc1_parse_block and etc. */ |
| #define UINT8_TYPE uint8_t |
| #define TAG(x) x |
| #include "../../../mesa/main/texcompress_etc_tmp.h" |
| #undef TAG |
| #undef UINT8_TYPE |
| |
| void |
| util_format_etc1_rgb8_unpack_rgba_8unorm(uint8_t *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height) |
| { |
| etc1_unpack_rgba8888(dst_row, dst_stride, src_row, src_stride, width, height); |
| } |
| |
| void |
| util_format_etc1_rgb8_pack_rgba_8unorm(uint8_t *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height) |
| { |
| assert(0); |
| } |
| |
| void |
| util_format_etc1_rgb8_unpack_rgba_float(float *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height) |
| { |
| const unsigned bw = 4, bh = 4, bs = 8, comps = 4; |
| struct etc1_block block; |
| unsigned x, y, i, j; |
| |
| for (y = 0; y < height; y += bh) { |
| const uint8_t *src = src_row; |
| |
| for (x = 0; x < width; x+= bw) { |
| etc1_parse_block(&block, src); |
| |
| for (j = 0; j < bh; j++) { |
| float *dst = dst_row + (y + j) * dst_stride / sizeof(*dst_row) + x * comps; |
| uint8_t tmp[3]; |
| |
| for (i = 0; i < bw; i++) { |
| etc1_fetch_texel(&block, i, j, tmp); |
| dst[0] = ubyte_to_float(tmp[0]); |
| dst[1] = ubyte_to_float(tmp[1]); |
| dst[2] = ubyte_to_float(tmp[2]); |
| dst[3] = 1.0f; |
| dst += comps; |
| } |
| } |
| |
| src += bs; |
| } |
| |
| src_row += src_stride; |
| } |
| } |
| |
| void |
| util_format_etc1_rgb8_pack_rgba_float(uint8_t *dst_row, unsigned dst_stride, const float *src_row, unsigned src_stride, unsigned width, unsigned height) |
| { |
| assert(0); |
| } |
| |
| void |
| util_format_etc1_rgb8_fetch_rgba_float(float *dst, const uint8_t *src, unsigned i, unsigned j) |
| { |
| const unsigned bw = 4, bh = 4; |
| struct etc1_block block; |
| uint8_t tmp[3]; |
| |
| assert(i < bw && j < bh); |
| |
| etc1_parse_block(&block, src); |
| etc1_fetch_texel(&block, i, j, tmp); |
| |
| dst[0] = ubyte_to_float(tmp[0]); |
| dst[1] = ubyte_to_float(tmp[1]); |
| dst[2] = ubyte_to_float(tmp[2]); |
| dst[3] = 1.0f; |
| } |