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Diffstat (limited to '')
| -rw-r--r-- | app/operations/layer-modes/gimpoperationnormal-sse4.c | 260 |
1 files changed, 260 insertions, 0 deletions
diff --git a/app/operations/layer-modes/gimpoperationnormal-sse4.c b/app/operations/layer-modes/gimpoperationnormal-sse4.c new file mode 100644 index 0000000..ba621a2 --- /dev/null +++ b/app/operations/layer-modes/gimpoperationnormal-sse4.c @@ -0,0 +1,260 @@ +/* GIMP - The GNU Image Manipulation Program + * Copyright (C) 1995 Spencer Kimball and Peter Mattis + * + * gimpoperationnormalmode-sse2.c + * Copyright (C) 2013 Daniel Sabo + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <https://www.gnu.org/licenses/>. + */ + +#include "config.h" + +#include <gegl-plugin.h> + +#include "operations/operations-types.h" + +#include "gimpoperationnormal.h" + + +#if COMPILE_SSE4_1_INTRINISICS + +/* SSE4 */ +#include <smmintrin.h> + + +gboolean +gimp_operation_normal_process_sse4 (GeglOperation *op, + void *in_p, + void *layer_p, + void *mask_p, + void *out_p, + glong samples, + const GeglRectangle *roi, + gint level) +{ + /* check alignment */ + if ((((uintptr_t)in_p) | ((uintptr_t)layer_p) | ((uintptr_t)out_p)) & 0x0F) + { + return gimp_operation_normal_process (op, + in_p, layer_p, mask_p, out_p, + samples, roi, level); + } + else + { + GimpOperationLayerMode *layer_mode = (gpointer) op; + gfloat opacity = layer_mode->opacity; + gfloat *mask = mask_p; + const __v4sf *v_in = (const __v4sf*) in_p; + const __v4sf *v_layer = (const __v4sf*) layer_p; + __v4sf *v_out = ( __v4sf*) out_p; + + const __v4sf one = _mm_set1_ps (1.0f); + const __v4sf v_opacity = _mm_set1_ps (opacity); + + switch (layer_mode->composite_mode) + { + case GIMP_LAYER_COMPOSITE_UNION: + case GIMP_LAYER_COMPOSITE_AUTO: + while (samples--) + { + __v4sf rgba_in, rgba_layer, alpha; + + rgba_in = *v_in++; + rgba_layer = *v_layer++; + + /* expand alpha */ + alpha = (__v4sf)_mm_shuffle_epi32 ((__m128i)rgba_layer, + _MM_SHUFFLE (3, 3, 3, 3)); + + if (mask) + { + __v4sf mask_alpha; + + /* multiply layer's alpha by the mask */ + mask_alpha = _mm_set1_ps (*mask++); + alpha = alpha * mask_alpha; + } + + alpha = alpha * v_opacity; + + if (_mm_ucomigt_ss (alpha, _mm_setzero_ps ())) + { + __v4sf dst_alpha, a_term, out_pixel, out_alpha; + + /* expand alpha */ + dst_alpha = (__v4sf)_mm_shuffle_epi32 ((__m128i)rgba_in, + _MM_SHUFFLE (3, 3, 3, 3)); + + /* a_term = dst_a * (1.0 - src_a) */ + a_term = dst_alpha * (one - alpha); + + /* out(color) = src * src_a + dst * a_term */ + out_pixel = rgba_layer * alpha + rgba_in * a_term; + + /* out(alpha) = 1.0 * src_a + 1.0 * a_term */ + out_alpha = alpha + a_term; + + /* un-premultiply */ + out_pixel = out_pixel / out_alpha; + + /* swap in the real alpha */ + out_pixel = _mm_blend_ps (out_pixel, out_alpha, 0x08); + + *v_out++ = out_pixel; + } + else + { + *v_out++ = rgba_in; + } + } + break; + + case GIMP_LAYER_COMPOSITE_CLIP_TO_BACKDROP: + while (samples--) + { + __v4sf rgba_in, rgba_layer, alpha; + + rgba_in = *v_in++; + rgba_layer = *v_layer++; + + /* expand alpha */ + alpha = (__v4sf)_mm_shuffle_epi32 ((__m128i)rgba_layer, + _MM_SHUFFLE (3, 3, 3, 3)); + + if (mask) + { + __v4sf mask_alpha; + + /* multiply layer's alpha by the mask */ + mask_alpha = _mm_set1_ps (*mask++); + alpha = alpha * mask_alpha; + } + + alpha = alpha * v_opacity; + + if (_mm_ucomigt_ss (alpha, _mm_setzero_ps ())) + { + __v4sf dst_alpha, out_pixel; + + /* expand alpha */ + dst_alpha = (__v4sf)_mm_shuffle_epi32 ((__m128i)rgba_in, + _MM_SHUFFLE (3, 3, 3, 3)); + + /* out(color) = dst * (1 - src_a) + src * src_a */ + out_pixel = rgba_in + (rgba_layer - rgba_in) * alpha; + + /* swap in the real alpha */ + out_pixel = _mm_blend_ps (out_pixel, dst_alpha, 0x08); + + *v_out++ = out_pixel; + } + else + { + *v_out++ = rgba_in; + } + } + break; + + case GIMP_LAYER_COMPOSITE_CLIP_TO_LAYER: + while (samples--) + { + __v4sf rgba_in, rgba_layer, alpha; + __v4sf out_pixel; + + rgba_in = *v_in++; + rgba_layer = *v_layer++; + + /* expand alpha */ + alpha = (__v4sf)_mm_shuffle_epi32 ((__m128i)rgba_layer, + _MM_SHUFFLE (3, 3, 3, 3)); + + if (mask) + { + __v4sf mask_alpha; + + /* multiply layer's alpha by the mask */ + mask_alpha = _mm_set1_ps (*mask++); + alpha = alpha * mask_alpha; + } + + alpha = alpha * v_opacity; + + if (_mm_ucomigt_ss (alpha, _mm_setzero_ps ())) + { + /* out(color) = src */ + out_pixel = rgba_layer; + } + else + { + out_pixel = rgba_in; + } + + /* swap in the real alpha */ + out_pixel = _mm_blend_ps (out_pixel, alpha, 0x08); + + *v_out++ = out_pixel; + } + break; + + case GIMP_LAYER_COMPOSITE_INTERSECTION: + while (samples--) + { + __v4sf rgba_in, rgba_layer, alpha; + __v4sf out_pixel; + + rgba_in = *v_in++; + rgba_layer = *v_layer++; + + /* expand alpha */ + alpha = (__v4sf)_mm_shuffle_epi32 ((__m128i)rgba_layer, + _MM_SHUFFLE (3, 3, 3, 3)); + + if (mask) + { + __v4sf mask_alpha; + + /* multiply layer's alpha by the mask */ + mask_alpha = _mm_set1_ps (*mask++); + alpha = alpha * mask_alpha; + } + + alpha = alpha * v_opacity; + + /* multiply the alpha by in's alpha */ + alpha *= (__v4sf)_mm_shuffle_epi32 ((__m128i)rgba_in, + _MM_SHUFFLE (3, 3, 3, 3)); + + if (_mm_ucomigt_ss (alpha, _mm_setzero_ps ())) + { + /* out(color) = src */ + out_pixel = rgba_layer; + } + else + { + out_pixel = rgba_in; + } + + /* swap in the real alpha */ + out_pixel = _mm_blend_ps (out_pixel, alpha, 0x08); + + *v_out++ = out_pixel; + } + break; + } + } + + return TRUE; +} + +#endif /* COMPILE_SSE4_1_INTRINISICS */ |