diff options
Diffstat (limited to 'libglitter_compose_double.c')
| -rw-r--r-- | libglitter_compose_double.c | 76 |
1 files changed, 41 insertions, 35 deletions
diff --git a/libglitter_compose_double.c b/libglitter_compose_double.c index ba094f0..d0fdc3e 100644 --- a/libglitter_compose_double.c +++ b/libglitter_compose_double.c @@ -3,39 +3,6 @@ static void -generic(double **outputs, size_t noutputs, const double *restrict input, - size_t output_rowsize, size_t output_cellsize, size_t input_rowsize, - size_t width, size_t height, size_t widthmul, size_t heightmul, - const uint8_t *restrict cellmap, const double *restrict ncellweights) -{ - size_t y, x, iy, ix, output_y, output_i, input_blanking; - uint8_t channel; - double value; - - output_rowsize *= output_cellsize; - input_blanking = input_rowsize * heightmul - width * widthmul; - - for (y = 0, output_y = 0; y < height; y++, output_y += output_rowsize) { - for (x = 0, output_i = output_y; x < width; x++, output_i += output_cellsize) { - - for (iy = 0; iy < heightmul; iy++) { - for (ix = 0; ix < widthmul; ix++) { - channel = cellmap[iy * widthmul + ix]; - - value = input[iy * input_rowsize + ix]; - value *= ncellweights[channel]; - - outputs[channel][output_i] += value; - } - } - input = &input[widthmul]; - } - input = &input[input_blanking]; - } -} - - -static void vstrips(double **outputs_, const double *restrict input, size_t output_rowsize, size_t output_cellsize, size_t input_rowsize, size_t width, size_t height, const uint8_t *restrict cellmap) { @@ -89,6 +56,42 @@ hstrips(double **outputs_, const double *restrict input, size_t output_rowsize, } +#ifndef ONLY_INT_COMPATIBLE + + +static void +generic(double **outputs, const double *restrict input, + size_t output_rowsize, size_t output_cellsize, size_t input_rowsize, + size_t width, size_t height, size_t widthmul, size_t heightmul, + const uint8_t *restrict cellmap, const double *restrict ncellweights) +{ + size_t y, x, iy, ix, output_y, output_i, input_blanking; + uint8_t channel; + double value; + + output_rowsize *= output_cellsize; + input_blanking = input_rowsize * heightmul - width * widthmul; + + for (y = 0, output_y = 0; y < height; y++, output_y += output_rowsize) { + for (x = 0, output_i = output_y; x < width; x++, output_i += output_cellsize) { + + for (iy = 0; iy < heightmul; iy++) { + for (ix = 0; ix < widthmul; ix++) { + channel = cellmap[iy * widthmul + ix]; + + value = input[iy * input_rowsize + ix]; + value *= ncellweights[channel]; + + outputs[channel][output_i] += value; + } + } + input = &input[widthmul]; + } + input = &input[input_blanking]; + } +} + + void libglitter_compose_double(double **outputs, size_t noutputs, const double *restrict input, size_t output_rowsize, size_t output_cellsize, size_t input_rowsize, @@ -100,7 +103,10 @@ libglitter_compose_double(double **outputs, size_t noutputs, const double *restr } else if (noutputs == 3 && widthmul == 1 && heightmul == 3) { hstrips(outputs, input, output_rowsize, output_cellsize, input_rowsize, width, height, cellmap); } else { - generic(outputs, noutputs, input, output_rowsize, output_cellsize, - input_rowsize, width, height, widthmul, heightmul, cellmap, ncellweights); + generic(outputs, input, output_rowsize, output_cellsize, input_rowsize, + width, height, widthmul, heightmul, cellmap, ncellweights); } } + + +#endif |