diff options
Diffstat (limited to 'libglitter_compose_uint64.c')
| -rw-r--r-- | libglitter_compose_uint64.c | 65 |
1 files changed, 23 insertions, 42 deletions
diff --git a/libglitter_compose_uint64.c b/libglitter_compose_uint64.c index fdb9b62..91d6b88 100644 --- a/libglitter_compose_uint64.c +++ b/libglitter_compose_uint64.c @@ -1,9 +1,8 @@ /* See LICENSE file for copyright and license details. */ -#include "libglitter.h" +#include "common.h" #define ONLY_INT_COMPATIBLE #define double uint64_t #include "libglitter_compose_double.c" -#include <alloca.h> #ifdef greater_t # define MIX(A, B) (((greater_t)(A) + (greater_t)(B)) >> 1) #else @@ -13,40 +12,24 @@ static void -simple(uint64_t **outputs, const uint64_t *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) +simple(uint64_t **outputs, const uint64_t *restrict input, size_t output_rowsize, size_t output_cellsize, + size_t input_rowsize, size_t width, size_t height, const LIBGLITTER_RENDER_CONTEXT *render_ctx) { size_t y, x, output_y, output_i, input_blanking; - uint8_t channel; - size_t cells[3][2]; - size_t cellsi[3] = {0, 0, 0}; + size_t cell00 = render_ctx->cells[0][0], cell01 = render_ctx->cells[0][1]; + size_t cell10 = render_ctx->cells[1][0], cell11 = render_ctx->cells[1][1]; + size_t cell20 = render_ctx->cells[2][0], cell21 = render_ctx->cells[2][1]; output_rowsize *= output_cellsize; - input_blanking = input_rowsize * heightmul - width * widthmul; - - for (y = 0; y < heightmul; y++) { - for (x = 0; x < widthmul; x++) { - channel = cellmap[y * widthmul + x]; - cells[channel][cellsi[channel]] = y * input_rowsize + x; - cellsi[channel] += 1; - } - } - if (cellsi[0] == 1) - cells[0][1] = cells[0][0]; - if (cellsi[1] == 1) - cells[1][1] = cells[1][0]; - if (cellsi[2] == 1) - cells[2][1] = cells[2][0]; + input_blanking = input_rowsize * render_ctx->heightmul - width * render_ctx->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) { - outputs[0][output_i] = (uint64_t)MIX(input[cells[0][0]], input[cells[0][1]]); - outputs[1][output_i] = (uint64_t)MIX(input[cells[0][0]], input[cells[0][1]]); - outputs[2][output_i] = (uint64_t)MIX(input[cells[0][0]], input[cells[0][1]]); - input = &input[widthmul]; + outputs[0][output_i] = (uint64_t)MIX(input[cell00], input[cell01]); + outputs[1][output_i] = (uint64_t)MIX(input[cell10], input[cell11]); + outputs[2][output_i] = (uint64_t)MIX(input[cell20], input[cell21]); + input = &input[render_ctx->widthmul]; } input = &input[input_blanking]; } @@ -82,7 +65,7 @@ generic(uint64_t **outputs, size_t noutputs, const uint64_t *restrict input, } for (i = 0; i < noutputs; i++) - outputs[i][output_i] = (uint64_t)(pixel[channel] / (greater_t)ncellvalues[i]); + outputs[i][output_i] = (uint64_t)(pixel[i] / (greater_t)ncellvalues[i]); input = &input[widthmul]; } @@ -92,20 +75,18 @@ generic(uint64_t **outputs, size_t noutputs, const uint64_t *restrict input, void -libglitter_compose_uint64(uint64_t **outputs, size_t noutputs, const uint64_t *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 uint8_t *restrict ncellvalues) +libglitter_compose_uint64(uint64_t **outputs, const uint64_t *restrict input, size_t output_rowsize, size_t output_cellsize, + size_t width, size_t height, const LIBGLITTER_RENDER_CONTEXT *render_ctx) { - if (noutputs == 3 && widthmul == 3 && heightmul == 1) { - vstrips(outputs, input, output_rowsize, output_cellsize, input_rowsize, width, height, cellmap); - } else if (noutputs == 3 && widthmul == 1 && heightmul == 3) { - hstrips(outputs, input, output_rowsize, output_cellsize, input_rowsize, width, height, cellmap); - } else if (noutputs == 3 && ncellvalues[0] <= 2 && ncellvalues[1] <= 2 && ncellvalues[2] <= 2) { - simple(outputs, input, output_rowsize, output_cellsize, input_rowsize, - width, height, widthmul, heightmul, cellmap); + if (render_ctx->render_method == RENDER_METHOD_VSTRIPS) { + vstrips(outputs, input, output_rowsize, output_cellsize, render_ctx->rowsize, width, height, render_ctx->cellmap); + } else if (render_ctx->render_method == RENDER_METHOD_HSTRIPS) { + hstrips(outputs, input, output_rowsize, output_cellsize, render_ctx->rowsize, width, height, render_ctx->cellmap); + } else if (render_ctx->render_method == RENDER_METHOD_SIMPLE) { + simple(outputs, input, output_rowsize, output_cellsize, render_ctx->rowsize, width, height, render_ctx); } else { - generic(outputs, noutputs, input, output_rowsize, output_cellsize, - input_rowsize, width, height, widthmul, heightmul, cellmap, ncellvalues); + generic(outputs, render_ctx->noutputs, input, output_rowsize, output_cellsize, + render_ctx->rowsize, width, height, render_ctx->widthmul, render_ctx->heightmul, + render_ctx->cellmap, render_ctx->ncellvalues); } } |