Revert 129510 - Adding qcms to use for handling ICC tagged images. This will be used by chromium we…

third_party/qcms/transform-sse2.c

Index: third_party/qcms/transform-sse2.c
===================================================================
--- third_party/qcms/transform-sse2.c	(revision 129548)
+++ third_party/qcms/transform-sse2.c	(working copy)
@@ -1,262 +0,0 @@
-//  qcms
-//  Copyright (C) 2009 Mozilla Foundation
-//
-// Permission is hereby granted, free of charge, to any person obtaining
-// a copy of this software and associated documentation files (the "Software"),
-// to deal in the Software without restriction, including without limitation
-// the rights to use, copy, modify, merge, publish, distribute, sublicense,
-// and/or sell copies of the Software, and to permit persons to whom the Software
-// is furnished to do so, subject to the following conditions:
-//
-// The above copyright notice and this permission notice shall be included in
-// all copies or substantial portions of the Software.
-//
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
-// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO
-// THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
-// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
-// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
-// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
-// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-
-#include <emmintrin.h>
-
-#include "qcmsint.h"
-
-/* pre-shuffled: just load these into XMM reg instead of load-scalar/shufps sequence */
-#define FLOATSCALE  (float)(PRECACHE_OUTPUT_SIZE)
-#define CLAMPMAXVAL ( ((float) (PRECACHE_OUTPUT_SIZE - 1)) / PRECACHE_OUTPUT_SIZE )
-static const ALIGN float floatScaleX4[4] =
-    { FLOATSCALE, FLOATSCALE, FLOATSCALE, FLOATSCALE};
-static const ALIGN float clampMaxValueX4[4] =
-    { CLAMPMAXVAL, CLAMPMAXVAL, CLAMPMAXVAL, CLAMPMAXVAL};
-
-void qcms_transform_data_rgb_out_lut_sse2(qcms_transform *transform,
-                                          unsigned char *src,
-                                          unsigned char *dest,
-                                          size_t length)
-{
-    unsigned int i;
-    float (*mat)[4] = transform->matrix;
-    char input_back[32];
-    /* Ensure we have a buffer that's 16 byte aligned regardless of the original
-     * stack alignment. We can't use __attribute__((aligned(16))) or __declspec(align(32))
-     * because they don't work on stack variables. gcc 4.4 does do the right thing
-     * on x86 but that's too new for us right now. For more info: gcc bug #16660 */
-    float const * input = (float*)(((uintptr_t)&input_back[16]) & ~0xf);
-    /* share input and output locations to save having to keep the
-     * locations in separate registers */
-    uint32_t const * output = (uint32_t*)input;
-
-    /* deref *transform now to avoid it in loop */
-    const float *igtbl_r = transform->input_gamma_table_r;
-    const float *igtbl_g = transform->input_gamma_table_g;
-    const float *igtbl_b = transform->input_gamma_table_b;
-
-    /* deref *transform now to avoid it in loop */
-    const uint8_t *otdata_r = &transform->output_table_r->data[0];
-    const uint8_t *otdata_g = &transform->output_table_g->data[0];
-    const uint8_t *otdata_b = &transform->output_table_b->data[0];
-
-    /* input matrix values never change */
-    const __m128 mat0  = _mm_load_ps(mat[0]);
-    const __m128 mat1  = _mm_load_ps(mat[1]);
-    const __m128 mat2  = _mm_load_ps(mat[2]);
-
-    /* these values don't change, either */
-    const __m128 max   = _mm_load_ps(clampMaxValueX4);
-    const __m128 min   = _mm_setzero_ps();
-    const __m128 scale = _mm_load_ps(floatScaleX4);
-
-    /* working variables */
-    __m128 vec_r, vec_g, vec_b, result;
-
-    /* CYA */
-    if (!length)
-        return;
-
-    /* one pixel is handled outside of the loop */
-    length--;
-
-    /* setup for transforming 1st pixel */
-    vec_r = _mm_load_ss(&igtbl_r[src[0]]);
-    vec_g = _mm_load_ss(&igtbl_g[src[1]]);
-    vec_b = _mm_load_ss(&igtbl_b[src[2]]);
-    src += 3;
-
-    /* transform all but final pixel */
-
-    for (i=0; i<length; i++)
-    {
-        /* position values from gamma tables */
-        vec_r = _mm_shuffle_ps(vec_r, vec_r, 0);
-        vec_g = _mm_shuffle_ps(vec_g, vec_g, 0);
-        vec_b = _mm_shuffle_ps(vec_b, vec_b, 0);
-
-        /* gamma * matrix */
-        vec_r = _mm_mul_ps(vec_r, mat0);
-        vec_g = _mm_mul_ps(vec_g, mat1);
-        vec_b = _mm_mul_ps(vec_b, mat2);
-
-        /* crunch, crunch, crunch */
-        vec_r  = _mm_add_ps(vec_r, _mm_add_ps(vec_g, vec_b));
-        vec_r  = _mm_max_ps(min, vec_r);
-        vec_r  = _mm_min_ps(max, vec_r);
-        result = _mm_mul_ps(vec_r, scale);
-
-        /* store calc'd output tables indices */
-        _mm_store_si128((__m128i*)output, _mm_cvtps_epi32(result));
-
-        /* load for next loop while store completes */
-        vec_r = _mm_load_ss(&igtbl_r[src[0]]);
-        vec_g = _mm_load_ss(&igtbl_g[src[1]]);
-        vec_b = _mm_load_ss(&igtbl_b[src[2]]);
-        src += 3;
-
-        /* use calc'd indices to output RGB values */
-        dest[0] = otdata_r[output[0]];
-        dest[1] = otdata_g[output[1]];
-        dest[2] = otdata_b[output[2]];
-        dest += 3;
-    }
-
-    /* handle final (maybe only) pixel */
-
-    vec_r = _mm_shuffle_ps(vec_r, vec_r, 0);
-    vec_g = _mm_shuffle_ps(vec_g, vec_g, 0);
-    vec_b = _mm_shuffle_ps(vec_b, vec_b, 0);
-
-    vec_r = _mm_mul_ps(vec_r, mat0);
-    vec_g = _mm_mul_ps(vec_g, mat1);
-    vec_b = _mm_mul_ps(vec_b, mat2);
-
-    vec_r  = _mm_add_ps(vec_r, _mm_add_ps(vec_g, vec_b));
-    vec_r  = _mm_max_ps(min, vec_r);
-    vec_r  = _mm_min_ps(max, vec_r);
-    result = _mm_mul_ps(vec_r, scale);
-
-    _mm_store_si128((__m128i*)output, _mm_cvtps_epi32(result));
-
-    dest[0] = otdata_r[output[0]];
-    dest[1] = otdata_g[output[1]];
-    dest[2] = otdata_b[output[2]];
-}
-
-void qcms_transform_data_rgba_out_lut_sse2(qcms_transform *transform,
-                                           unsigned char *src,
-                                           unsigned char *dest,
-                                           size_t length)
-{
-    unsigned int i;
-    float (*mat)[4] = transform->matrix;
-    char input_back[32];
-    /* Ensure we have a buffer that's 16 byte aligned regardless of the original
-     * stack alignment. We can't use __attribute__((aligned(16))) or __declspec(align(32))
-     * because they don't work on stack variables. gcc 4.4 does do the right thing
-     * on x86 but that's too new for us right now. For more info: gcc bug #16660 */
-    float const * input = (float*)(((uintptr_t)&input_back[16]) & ~0xf);
-    /* share input and output locations to save having to keep the
-     * locations in separate registers */
-    uint32_t const * output = (uint32_t*)input;
-
-    /* deref *transform now to avoid it in loop */
-    const float *igtbl_r = transform->input_gamma_table_r;
-    const float *igtbl_g = transform->input_gamma_table_g;
-    const float *igtbl_b = transform->input_gamma_table_b;
-
-    /* deref *transform now to avoid it in loop */
-    const uint8_t *otdata_r = &transform->output_table_r->data[0];
-    const uint8_t *otdata_g = &transform->output_table_g->data[0];
-    const uint8_t *otdata_b = &transform->output_table_b->data[0];
-
-    /* input matrix values never change */
-    const __m128 mat0  = _mm_load_ps(mat[0]);
-    const __m128 mat1  = _mm_load_ps(mat[1]);
-    const __m128 mat2  = _mm_load_ps(mat[2]);
-
-    /* these values don't change, either */
-    const __m128 max   = _mm_load_ps(clampMaxValueX4);
-    const __m128 min   = _mm_setzero_ps();
-    const __m128 scale = _mm_load_ps(floatScaleX4);
-
-    /* working variables */
-    __m128 vec_r, vec_g, vec_b, result;
-    unsigned char alpha;
-
-    /* CYA */
-    if (!length)
-        return;
-
-    /* one pixel is handled outside of the loop */
-    length--;
-
-    /* setup for transforming 1st pixel */
-    vec_r = _mm_load_ss(&igtbl_r[src[0]]);
-    vec_g = _mm_load_ss(&igtbl_g[src[1]]);
-    vec_b = _mm_load_ss(&igtbl_b[src[2]]);
-    alpha = src[3];
-    src += 4;
-
-    /* transform all but final pixel */
-
-    for (i=0; i<length; i++)
-    {
-        /* position values from gamma tables */
-        vec_r = _mm_shuffle_ps(vec_r, vec_r, 0);
-        vec_g = _mm_shuffle_ps(vec_g, vec_g, 0);
-        vec_b = _mm_shuffle_ps(vec_b, vec_b, 0);
-
-        /* gamma * matrix */
-        vec_r = _mm_mul_ps(vec_r, mat0);
-        vec_g = _mm_mul_ps(vec_g, mat1);
-        vec_b = _mm_mul_ps(vec_b, mat2);
-
-        /* store alpha for this pixel; load alpha for next */
-        dest[3] = alpha;
-        alpha   = src[3];
-
-        /* crunch, crunch, crunch */
-        vec_r  = _mm_add_ps(vec_r, _mm_add_ps(vec_g, vec_b));
-        vec_r  = _mm_max_ps(min, vec_r);
-        vec_r  = _mm_min_ps(max, vec_r);
-        result = _mm_mul_ps(vec_r, scale);
-
-        /* store calc'd output tables indices */
-        _mm_store_si128((__m128i*)output, _mm_cvtps_epi32(result));
-
-        /* load gamma values for next loop while store completes */
-        vec_r = _mm_load_ss(&igtbl_r[src[0]]);
-        vec_g = _mm_load_ss(&igtbl_g[src[1]]);
-        vec_b = _mm_load_ss(&igtbl_b[src[2]]);
-        src += 4;
-
-        /* use calc'd indices to output RGB values */
-        dest[0] = otdata_r[output[0]];
-        dest[1] = otdata_g[output[1]];
-        dest[2] = otdata_b[output[2]];
-        dest += 4;
-    }
-
-    /* handle final (maybe only) pixel */
-
-    vec_r = _mm_shuffle_ps(vec_r, vec_r, 0);
-    vec_g = _mm_shuffle_ps(vec_g, vec_g, 0);
-    vec_b = _mm_shuffle_ps(vec_b, vec_b, 0);
-
-    vec_r = _mm_mul_ps(vec_r, mat0);
-    vec_g = _mm_mul_ps(vec_g, mat1);
-    vec_b = _mm_mul_ps(vec_b, mat2);
-
-    dest[3] = alpha;
-
-    vec_r  = _mm_add_ps(vec_r, _mm_add_ps(vec_g, vec_b));
-    vec_r  = _mm_max_ps(min, vec_r);
-    vec_r  = _mm_min_ps(max, vec_r);
-    result = _mm_mul_ps(vec_r, scale);
-
-    _mm_store_si128((__m128i*)output, _mm_cvtps_epi32(result));
-
-    dest[0] = otdata_r[output[0]];
-    dest[1] = otdata_g[output[1]];
-    dest[2] = otdata_b[output[2]];
-}