Delete qcms

This was always intended to be a temporary dependency to use for
testing.  It has served its purpose.

Also, this has already been dropped (accidentally, I think) by
the new GN build.

TBR=reed@google.com

BUG=skia:

GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=4220

Change-Id: Ic72ee08bbfaf86ed86a4122fd38be2921eb1327e
Reviewed-on: https://skia-review.googlesource.com/4220
Reviewed-by: Matt Sarett <msarett@google.com>
Reviewed-by: Leon Scroggins <scroggo@google.com>
Commit-Queue: Matt Sarett <msarett@google.com>

1 files changed, 0 insertions, 1641 deletions

diff --git a/third_party/qcms/src/transform.c b/third_party/qcms/src/transform.c
deleted file mode 100644
index dd4eee46ec..0000000000
--- a/third_party/qcms/src/transform.c
+++ /dev/null
@@ -1,1641 +0,0 @@
-/* vim: set ts=8 sw=8 noexpandtab: */
-//  qcms
-//  Copyright (C) 2009 Mozilla Corporation
-//  Copyright (C) 1998-2007 Marti Maria
-//
-// 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 <stdlib.h>
-#include <math.h>
-#include <assert.h>
-#include <string.h> //memcpy
-#include "qcmsint.h"
-#include "chain.h"
-#include "halffloat.h"
-#include "matrix.h"
-#include "transform_util.h"
-
-/* for MSVC, GCC, Intel, and Sun compilers */
-#if defined(_M_IX86) || defined(__i386__) || defined(__i386) || defined(_M_AMD64) || defined(__x86_64__) || defined(__x86_64)
-#define X86
-#endif /* _M_IX86 || __i386__ || __i386 || _M_AMD64 || __x86_64__ || __x86_64 */
-
-// Build a White point, primary chromas transfer matrix from RGB to CIE XYZ
-// This is just an approximation, I am not handling all the non-linear
-// aspects of the RGB to XYZ process, and assumming that the gamma correction
-// has transitive property in the tranformation chain.
-//
-// the alghoritm:
-//
-//            - First I build the absolute conversion matrix using
-//              primaries in XYZ. This matrix is next inverted
-//            - Then I eval the source white point across this matrix
-//              obtaining the coeficients of the transformation
-//            - Then, I apply these coeficients to the original matrix
-static struct matrix build_RGB_to_XYZ_transfer_matrix(qcms_CIE_xyY white, qcms_CIE_xyYTRIPLE primrs)
-{
-	struct matrix primaries;
-	struct matrix primaries_invert;
-	struct matrix result;
-	struct vector white_point;
-	struct vector coefs;
-
-	double xn, yn;
-	double xr, yr;
-	double xg, yg;
-	double xb, yb;
-
-	xn = white.x;
-	yn = white.y;
-
-	if (yn == 0.0)
-		return matrix_invalid();
-
-	xr = primrs.red.x;
-	yr = primrs.red.y;
-	xg = primrs.green.x;
-	yg = primrs.green.y;
-	xb = primrs.blue.x;
-	yb = primrs.blue.y;
-
-	primaries.m[0][0] = xr;
-	primaries.m[0][1] = xg;
-	primaries.m[0][2] = xb;
-
-	primaries.m[1][0] = yr;
-	primaries.m[1][1] = yg;
-	primaries.m[1][2] = yb;
-
-	primaries.m[2][0] = 1 - xr - yr;
-	primaries.m[2][1] = 1 - xg - yg;
-	primaries.m[2][2] = 1 - xb - yb;
-	primaries.invalid = false;
-
-	white_point.v[0] = xn/yn;
-	white_point.v[1] = 1.;
-	white_point.v[2] = (1.0-xn-yn)/yn;
-
-	primaries_invert = matrix_invert(primaries);
-
-	coefs = matrix_eval(primaries_invert, white_point);
-
-	result.m[0][0] = coefs.v[0]*xr;
-	result.m[0][1] = coefs.v[1]*xg;
-	result.m[0][2] = coefs.v[2]*xb;
-
-	result.m[1][0] = coefs.v[0]*yr;
-	result.m[1][1] = coefs.v[1]*yg;
-	result.m[1][2] = coefs.v[2]*yb;
-
-	result.m[2][0] = coefs.v[0]*(1.-xr-yr);
-	result.m[2][1] = coefs.v[1]*(1.-xg-yg);
-	result.m[2][2] = coefs.v[2]*(1.-xb-yb);
-	result.invalid = primaries_invert.invalid;
-
-	return result;
-}
-
-struct CIE_XYZ {
-	double X;
-	double Y;
-	double Z;
-};
-
-/* CIE Illuminant D50 */
-static const struct CIE_XYZ D50_XYZ = {
-	0.9642,
-	1.0000,
-	0.8249
-};
-
-/* from lcms: xyY2XYZ()
- * corresponds to argyll: icmYxy2XYZ() */
-static struct CIE_XYZ xyY2XYZ(qcms_CIE_xyY source)
-{
-	struct CIE_XYZ dest;
-	dest.X = (source.x / source.y) * source.Y;
-	dest.Y = source.Y;
-	dest.Z = ((1 - source.x - source.y) / source.y) * source.Y;
-	return dest;
-}
-
-/* from lcms: ComputeChromaticAdaption */
-// Compute chromatic adaption matrix using chad as cone matrix
-static struct matrix
-compute_chromatic_adaption(struct CIE_XYZ source_white_point,
-                           struct CIE_XYZ dest_white_point,
-                           struct matrix chad)
-{
-	struct matrix chad_inv;
-	struct vector cone_source_XYZ, cone_source_rgb;
-	struct vector cone_dest_XYZ, cone_dest_rgb;
-	struct matrix cone, tmp;
-
-	tmp = chad;
-	chad_inv = matrix_invert(tmp);
-
-	cone_source_XYZ.v[0] = source_white_point.X;
-	cone_source_XYZ.v[1] = source_white_point.Y;
-	cone_source_XYZ.v[2] = source_white_point.Z;
-
-	cone_dest_XYZ.v[0] = dest_white_point.X;
-	cone_dest_XYZ.v[1] = dest_white_point.Y;
-	cone_dest_XYZ.v[2] = dest_white_point.Z;
-
-	cone_source_rgb = matrix_eval(chad, cone_source_XYZ);
-	cone_dest_rgb   = matrix_eval(chad, cone_dest_XYZ);
-
-	cone.m[0][0] = cone_dest_rgb.v[0]/cone_source_rgb.v[0];
-	cone.m[0][1] = 0;
-	cone.m[0][2] = 0;
-	cone.m[1][0] = 0;
-	cone.m[1][1] = cone_dest_rgb.v[1]/cone_source_rgb.v[1];
-	cone.m[1][2] = 0;
-	cone.m[2][0] = 0;
-	cone.m[2][1] = 0;
-	cone.m[2][2] = cone_dest_rgb.v[2]/cone_source_rgb.v[2];
-	cone.invalid = false;
-
-	// Normalize
-	return matrix_multiply(chad_inv, matrix_multiply(cone, chad));
-}
-
-/* from lcms: cmsAdaptionMatrix */
-// Returns the final chrmatic adaptation from illuminant FromIll to Illuminant ToIll
-// Bradford is assumed
-static struct matrix
-adaption_matrix(struct CIE_XYZ source_illumination, struct CIE_XYZ target_illumination)
-{
-#if defined (_MSC_VER)
-#pragma warning(push)
-/* Disable double to float truncation warning 4305 */
-#pragma warning(disable:4305)
-#endif
-	struct matrix lam_rigg = {{ // Bradford matrix
-	                         {  0.8951,  0.2664, -0.1614 },
-	                         { -0.7502,  1.7135,  0.0367 },
-	                         {  0.0389, -0.0685,  1.0296 }
-	                         }};
-#if defined (_MSC_VER)
-/* Restore warnings */
-#pragma warning(pop)
-#endif
-	return compute_chromatic_adaption(source_illumination, target_illumination, lam_rigg);
-}
-
-/* from lcms: cmsAdaptMatrixToD50 */
-static struct matrix adapt_matrix_to_D50(struct matrix r, qcms_CIE_xyY source_white_point)
-{
-	struct CIE_XYZ DNN_XYZ;
-	struct matrix Bradford;
-
-	if (source_white_point.y == 0.0)
-		return matrix_invalid();
-
-	DNN_XYZ = xyY2XYZ(source_white_point);
-
-	Bradford = adaption_matrix(DNN_XYZ, D50_XYZ);
-
-	return matrix_multiply(Bradford, r);
-}
-
-qcms_bool set_rgb_colorants(qcms_profile *profile, qcms_CIE_xyY white_point, qcms_CIE_xyYTRIPLE primaries)
-{
-	struct CIE_XYZ source_white;
-	struct matrix colorants;
-
-	colorants = build_RGB_to_XYZ_transfer_matrix(white_point, primaries);
-	colorants = adapt_matrix_to_D50(colorants, white_point);
-
-	if (colorants.invalid)
-		return false;
-
-	/* note: there's a transpose type of operation going on here */
-	profile->redColorant.X = double_to_s15Fixed16Number(colorants.m[0][0]);
-	profile->redColorant.Y = double_to_s15Fixed16Number(colorants.m[1][0]);
-	profile->redColorant.Z = double_to_s15Fixed16Number(colorants.m[2][0]);
-
-	profile->greenColorant.X = double_to_s15Fixed16Number(colorants.m[0][1]);
-	profile->greenColorant.Y = double_to_s15Fixed16Number(colorants.m[1][1]);
-	profile->greenColorant.Z = double_to_s15Fixed16Number(colorants.m[2][1]);
-
-	profile->blueColorant.X = double_to_s15Fixed16Number(colorants.m[0][2]);
-	profile->blueColorant.Y = double_to_s15Fixed16Number(colorants.m[1][2]);
-	profile->blueColorant.Z = double_to_s15Fixed16Number(colorants.m[2][2]);
-
-	/* Store the media white point */
-	source_white = xyY2XYZ(white_point);
-	profile->mediaWhitePoint.X = double_to_s15Fixed16Number(source_white.X);
-	profile->mediaWhitePoint.Y = double_to_s15Fixed16Number(source_white.Y);
-	profile->mediaWhitePoint.Z = double_to_s15Fixed16Number(source_white.Z);
-
-	return true;
-}
-
-#if 0
-static void qcms_transform_data_rgb_out_pow(qcms_transform *transform, unsigned char *src, unsigned char *dest, size_t length, qcms_format_type output_format)
-{
-	const int r_out = output_format.r;
-	const int b_out = output_format.b;
-
-	int i;
-	float (*mat)[4] = transform->matrix;
-	for (i=0; i<length; i++) {
-		unsigned char device_r = *src++;
-		unsigned char device_g = *src++;
-		unsigned char device_b = *src++;
-
-		float linear_r = transform->input_gamma_table_r[device_r];
-		float linear_g = transform->input_gamma_table_g[device_g];
-		float linear_b = transform->input_gamma_table_b[device_b];
-
-		float out_linear_r = mat[0][0]*linear_r + mat[1][0]*linear_g + mat[2][0]*linear_b;
-		float out_linear_g = mat[0][1]*linear_r + mat[1][1]*linear_g + mat[2][1]*linear_b;
-		float out_linear_b = mat[0][2]*linear_r + mat[1][2]*linear_g + mat[2][2]*linear_b;
-
-		float out_device_r = pow(out_linear_r, transform->out_gamma_r);
-		float out_device_g = pow(out_linear_g, transform->out_gamma_g);
-		float out_device_b = pow(out_linear_b, transform->out_gamma_b);
-
-		dest[r_out] = clamp_u8(out_device_r*255);
-		dest[1]     = clamp_u8(out_device_g*255);
-		dest[b_out] = clamp_u8(out_device_b*255);
-		dest += 3;
-	}
-}
-#endif
-
-static void qcms_transform_data_gray_out_lut(qcms_transform *transform, unsigned char *src, unsigned char *dest, size_t length, qcms_format_type output_format)
-{
-	const int r_out = output_format.r;
-	const int b_out = output_format.b;
-
-	unsigned int i;
-	for (i = 0; i < length; i++) {
-		float out_device_r, out_device_g, out_device_b;
-		unsigned char device = *src++;
-
-		float linear = transform->input_gamma_table_gray[device];
-
-		out_device_r = lut_interp_linear(linear, transform->output_gamma_lut_r, transform->output_gamma_lut_r_length);
-		out_device_g = lut_interp_linear(linear, transform->output_gamma_lut_g, transform->output_gamma_lut_g_length);
-		out_device_b = lut_interp_linear(linear, transform->output_gamma_lut_b, transform->output_gamma_lut_b_length);
-
-		dest[r_out] = clamp_u8(out_device_r*255);
-		dest[1]     = clamp_u8(out_device_g*255);
-		dest[b_out] = clamp_u8(out_device_b*255);
-		dest += 3;
-	}
-}
-
-/* Alpha is not corrected.
-   A rationale for this is found in Alvy Ray's "Should Alpha Be Nonlinear If
-   RGB Is?" Tech Memo 17 (December 14, 1998).
-	See: ftp://ftp.alvyray.com/Acrobat/17_Nonln.pdf
-*/
-
-static void qcms_transform_data_graya_out_lut(qcms_transform *transform, unsigned char *src, unsigned char *dest, size_t length, qcms_format_type output_format)
-{
-	const int r_out = output_format.r;
-	const int b_out = output_format.b;
-
-	unsigned int i;
-	for (i = 0; i < length; i++) {
-		float out_device_r, out_device_g, out_device_b;
-		unsigned char device = *src++;
-		unsigned char alpha = *src++;
-
-		float linear = transform->input_gamma_table_gray[device];
-
-		out_device_r = lut_interp_linear(linear, transform->output_gamma_lut_r, transform->output_gamma_lut_r_length);
-		out_device_g = lut_interp_linear(linear, transform->output_gamma_lut_g, transform->output_gamma_lut_g_length);
-		out_device_b = lut_interp_linear(linear, transform->output_gamma_lut_b, transform->output_gamma_lut_b_length);
-
-		dest[r_out] = clamp_u8(out_device_r*255);
-		dest[1]     = clamp_u8(out_device_g*255);
-		dest[b_out] = clamp_u8(out_device_b*255);
-		dest[3]     = alpha;
-		dest += 4;
-	}
-}
-
-
-static void qcms_transform_data_gray_out_precache(qcms_transform *transform, unsigned char *src, unsigned char *dest, size_t length, qcms_format_type output_format)
-{
-	const int r_out = output_format.r;
-	const int b_out = output_format.b;
-
-	unsigned int i;
-	for (i = 0; i < length; i++) {
-		unsigned char device = *src++;
-		uint16_t gray;
-
-		float linear = transform->input_gamma_table_gray[device];
-
-		/* we could round here... */
-		gray = linear * PRECACHE_OUTPUT_MAX;
-
-		dest[r_out] = transform->output_table_r->data[gray];
-		dest[1]     = transform->output_table_g->data[gray];
-		dest[b_out] = transform->output_table_b->data[gray];
-		dest += 3;
-	}
-}
-
-
-static void qcms_transform_data_graya_out_precache(qcms_transform *transform, unsigned char *src, unsigned char *dest, size_t length, qcms_format_type output_format)
-{
-	const int r_out = output_format.r;
-	const int b_out = output_format.b;
-
-	unsigned int i;
-	for (i = 0; i < length; i++) {
-		unsigned char device = *src++;
-		unsigned char alpha = *src++;
-		uint16_t gray;
-
-		float linear = transform->input_gamma_table_gray[device];
-
-		/* we could round here... */
-		gray = linear * PRECACHE_OUTPUT_MAX;
-
-		dest[r_out] = transform->output_table_r->data[gray];
-		dest[1]     = transform->output_table_g->data[gray];
-		dest[b_out] = transform->output_table_b->data[gray];
-		dest[3]     = alpha;
-		dest += 4;
-	}
-}
-
-static void qcms_transform_data_rgb_out_lut_precache(qcms_transform *transform, unsigned char *src, unsigned char *dest, size_t length, qcms_format_type output_format)
-{
-	const int r_out = output_format.r;
-	const int b_out = output_format.b;
-
-	unsigned int i;
-	float (*mat)[4] = transform->matrix;
-	for (i = 0; i < length; i++) {
-		unsigned char device_r = *src++;
-		unsigned char device_g = *src++;
-		unsigned char device_b = *src++;
-		uint16_t r, g, b;
-
-		float linear_r = transform->input_gamma_table_r[device_r];
-		float linear_g = transform->input_gamma_table_g[device_g];
-		float linear_b = transform->input_gamma_table_b[device_b];
-
-		float out_linear_r = mat[0][0]*linear_r + mat[1][0]*linear_g + mat[2][0]*linear_b;
-		float out_linear_g = mat[0][1]*linear_r + mat[1][1]*linear_g + mat[2][1]*linear_b;
-		float out_linear_b = mat[0][2]*linear_r + mat[1][2]*linear_g + mat[2][2]*linear_b;
-
-		out_linear_r = clamp_float(out_linear_r);
-		out_linear_g = clamp_float(out_linear_g);
-		out_linear_b = clamp_float(out_linear_b);
-
-		/* we could round here... */
-		r = out_linear_r * PRECACHE_OUTPUT_MAX;
-		g = out_linear_g * PRECACHE_OUTPUT_MAX;
-		b = out_linear_b * PRECACHE_OUTPUT_MAX;
-
-		dest[r_out] = transform->output_table_r->data[r];
-		dest[1]     = transform->output_table_g->data[g];
-		dest[b_out] = transform->output_table_b->data[b];
-		dest += 3;
-	}
-}
-
-void qcms_transform_data_rgba_out_lut_precache(qcms_transform *transform, unsigned char *src, unsigned char *dest, size_t length, qcms_format_type output_format)
-{
-	const int r_out = output_format.r;
-	const int b_out = output_format.b;
-
-	unsigned int i;
-	float (*mat)[4] = transform->matrix;
-	for (i = 0; i < length; i++) {
-		unsigned char device_r = *src++;
-		unsigned char device_g = *src++;
-		unsigned char device_b = *src++;
-		unsigned char alpha = *src++;
-		uint16_t r, g, b;
-
-		float linear_r = transform->input_gamma_table_r[device_r];
-		float linear_g = transform->input_gamma_table_g[device_g];
-		float linear_b = transform->input_gamma_table_b[device_b];
-
-		float out_linear_r = mat[0][0]*linear_r + mat[1][0]*linear_g + mat[2][0]*linear_b;
-		float out_linear_g = mat[0][1]*linear_r + mat[1][1]*linear_g + mat[2][1]*linear_b;
-		float out_linear_b = mat[0][2]*linear_r + mat[1][2]*linear_g + mat[2][2]*linear_b;
-
-		out_linear_r = clamp_float(out_linear_r);
-		out_linear_g = clamp_float(out_linear_g);
-		out_linear_b = clamp_float(out_linear_b);
-
-		/* we could round here... */
-		r = out_linear_r * PRECACHE_OUTPUT_MAX;
-		g = out_linear_g * PRECACHE_OUTPUT_MAX;
-		b = out_linear_b * PRECACHE_OUTPUT_MAX;
-
-		dest[r_out] = transform->output_table_r->data[r];
-		dest[1]     = transform->output_table_g->data[g];
-		dest[b_out] = transform->output_table_b->data[b];
-		dest[3]     = alpha;
-		dest += 4;
-	}
-}
-
-// Not used
-/* 
-static void qcms_transform_data_clut(qcms_transform *transform, unsigned char *src, unsigned char *dest, size_t length, qcms_format_type output_format)
-{
-	const int r_out = output_format.r;
-	const int b_out = output_format.b;
-
-	unsigned int i;
-	int xy_len = 1;
-	int x_len = transform->grid_size;
-	int len = x_len * x_len;
-	float* r_table = transform->r_clut;
-	float* g_table = transform->g_clut;
-	float* b_table = transform->b_clut;
-  
-	for (i = 0; i < length; i++) {
-		unsigned char in_r = *src++;
-		unsigned char in_g = *src++;
-		unsigned char in_b = *src++;
-		float linear_r = in_r/255.0f, linear_g=in_g/255.0f, linear_b = in_b/255.0f;
-
-		int x = floor(linear_r * (transform->grid_size-1));
-		int y = floor(linear_g * (transform->grid_size-1));
-		int z = floor(linear_b * (transform->grid_size-1));
-		int x_n = ceil(linear_r * (transform->grid_size-1));
-		int y_n = ceil(linear_g * (transform->grid_size-1));
-		int z_n = ceil(linear_b * (transform->grid_size-1));
-		float x_d = linear_r * (transform->grid_size-1) - x; 
-		float y_d = linear_g * (transform->grid_size-1) - y;
-		float z_d = linear_b * (transform->grid_size-1) - z; 
-
-		float r_x1 = lerp(CLU(r_table,x,y,z), CLU(r_table,x_n,y,z), x_d);
-		float r_x2 = lerp(CLU(r_table,x,y_n,z), CLU(r_table,x_n,y_n,z), x_d);
-		float r_y1 = lerp(r_x1, r_x2, y_d);
-		float r_x3 = lerp(CLU(r_table,x,y,z_n), CLU(r_table,x_n,y,z_n), x_d);
-		float r_x4 = lerp(CLU(r_table,x,y_n,z_n), CLU(r_table,x_n,y_n,z_n), x_d);
-		float r_y2 = lerp(r_x3, r_x4, y_d);
-		float clut_r = lerp(r_y1, r_y2, z_d);
-
-		float g_x1 = lerp(CLU(g_table,x,y,z), CLU(g_table,x_n,y,z), x_d);
-		float g_x2 = lerp(CLU(g_table,x,y_n,z), CLU(g_table,x_n,y_n,z), x_d);
-		float g_y1 = lerp(g_x1, g_x2, y_d);
-		float g_x3 = lerp(CLU(g_table,x,y,z_n), CLU(g_table,x_n,y,z_n), x_d);
-		float g_x4 = lerp(CLU(g_table,x,y_n,z_n), CLU(g_table,x_n,y_n,z_n), x_d);
-		float g_y2 = lerp(g_x3, g_x4, y_d);
-		float clut_g = lerp(g_y1, g_y2, z_d);
-
-		float b_x1 = lerp(CLU(b_table,x,y,z), CLU(b_table,x_n,y,z), x_d);
-		float b_x2 = lerp(CLU(b_table,x,y_n,z), CLU(b_table,x_n,y_n,z), x_d);
-		float b_y1 = lerp(b_x1, b_x2, y_d);
-		float b_x3 = lerp(CLU(b_table,x,y,z_n), CLU(b_table,x_n,y,z_n), x_d);
-		float b_x4 = lerp(CLU(b_table,x,y_n,z_n), CLU(b_table,x_n,y_n,z_n), x_d);
-		float b_y2 = lerp(b_x3, b_x4, y_d);
-		float clut_b = lerp(b_y1, b_y2, z_d);
-
-		dest[r_out] = clamp_u8(clut_r*255.0f);
-		dest[1]     = clamp_u8(clut_g*255.0f);
-		dest[b_out] = clamp_u8(clut_b*255.0f);
-		dest += 3;
-	}
-}
-*/
-
-// Using lcms' tetra interpolation algorithm.
-void qcms_transform_data_tetra_clut_rgba(qcms_transform *transform, unsigned char *src, unsigned char *dest, size_t length, qcms_format_type output_format)
-{
-	const int r_out = output_format.r;
-	const int b_out = output_format.b;
-
-	unsigned int i;
-	int xy_len = 1;
-	int x_len = transform->grid_size;
-	int len = x_len * x_len;
-	float* r_table = transform->r_clut;
-	float* g_table = transform->g_clut;
-	float* b_table = transform->b_clut;
-	float c0_r, c1_r, c2_r, c3_r;
-	float c0_g, c1_g, c2_g, c3_g;
-	float c0_b, c1_b, c2_b, c3_b;
-	float clut_r, clut_g, clut_b;
-
-	if (!(transform->transform_flags & TRANSFORM_FLAG_CLUT_CACHE))
-		qcms_transform_build_clut_cache(transform);
-
-	for (i = 0; i < length; i++) {
-		unsigned char in_r = *src++;
-		unsigned char in_g = *src++;
-		unsigned char in_b = *src++;
-		unsigned char in_a = *src++;
-
-		int x = transform->floor_cache[in_r];
-		int y = transform->floor_cache[in_g];
-		int z = transform->floor_cache[in_b];
-
-		int x_n = transform->ceil_cache[in_r];
-		int y_n = transform->ceil_cache[in_g];
-		int z_n = transform->ceil_cache[in_b];
-
-		float rx = transform->r_cache[in_r];
-		float ry = transform->r_cache[in_g];
-		float rz = transform->r_cache[in_b];
-
-		c0_r = CLU(r_table, x, y, z);
-		c0_g = CLU(g_table, x, y, z);
-		c0_b = CLU(b_table, x, y, z);
-
-		if( rx >= ry ) {
-			if (ry >= rz) { //rx >= ry && ry >= rz
-				c1_r = CLU(r_table, x_n, y, z) - c0_r;
-				c2_r = CLU(r_table, x_n, y_n, z) - CLU(r_table, x_n, y, z);
-				c3_r = CLU(r_table, x_n, y_n, z_n) - CLU(r_table, x_n, y_n, z);
-				c1_g = CLU(g_table, x_n, y, z) - c0_g;
-				c2_g = CLU(g_table, x_n, y_n, z) - CLU(g_table, x_n, y, z);
-				c3_g = CLU(g_table, x_n, y_n, z_n) - CLU(g_table, x_n, y_n, z);
-				c1_b = CLU(b_table, x_n, y, z) - c0_b;
-				c2_b = CLU(b_table, x_n, y_n, z) - CLU(b_table, x_n, y, z);
-				c3_b = CLU(b_table, x_n, y_n, z_n) - CLU(b_table, x_n, y_n, z);
-			} else { 
-				if (rx >= rz) { //rx >= rz && rz >= ry
-					c1_r = CLU(r_table, x_n, y, z) - c0_r;
-					c2_r = CLU(r_table, x_n, y_n, z_n) - CLU(r_table, x_n, y, z_n);
-					c3_r = CLU(r_table, x_n, y, z_n) - CLU(r_table, x_n, y, z);
-					c1_g = CLU(g_table, x_n, y, z) - c0_g;
-					c2_g = CLU(g_table, x_n, y_n, z_n) - CLU(g_table, x_n, y, z_n);
-					c3_g = CLU(g_table, x_n, y, z_n) - CLU(g_table, x_n, y, z);
-					c1_b = CLU(b_table, x_n, y, z) - c0_b;
-					c2_b = CLU(b_table, x_n, y_n, z_n) - CLU(b_table, x_n, y, z_n);
-					c3_b = CLU(b_table, x_n, y, z_n) - CLU(b_table, x_n, y, z);
-				} else { //rz > rx && rx >= ry
-					c1_r = CLU(r_table, x_n, y, z_n) - CLU(r_table, x, y, z_n);
-					c2_r = CLU(r_table, x_n, y_n, z_n) - CLU(r_table, x_n, y, z_n);
-					c3_r = CLU(r_table, x, y, z_n) - c0_r;
-					c1_g = CLU(g_table, x_n, y, z_n) - CLU(g_table, x, y, z_n);
-					c2_g = CLU(g_table, x_n, y_n, z_n) - CLU(g_table, x_n, y, z_n);
-					c3_g = CLU(g_table, x, y, z_n) - c0_g;
-					c1_b = CLU(b_table, x_n, y, z_n) - CLU(b_table, x, y, z_n);
-					c2_b = CLU(b_table, x_n, y_n, z_n) - CLU(b_table, x_n, y, z_n);
-					c3_b = CLU(b_table, x, y, z_n) - c0_b;
-				}
-			}
-		} else {
-			if (rx >= rz) { //ry > rx && rx >= rz
-				c1_r = CLU(r_table, x_n, y_n, z) - CLU(r_table, x, y_n, z);
-				c2_r = CLU(r_table, x, y_n, z) - c0_r;
-				c3_r = CLU(r_table, x_n, y_n, z_n) - CLU(r_table, x_n, y_n, z);
-				c1_g = CLU(g_table, x_n, y_n, z) - CLU(g_table, x, y_n, z);
-				c2_g = CLU(g_table, x, y_n, z) - c0_g;
-				c3_g = CLU(g_table, x_n, y_n, z_n) - CLU(g_table, x_n, y_n, z);
-				c1_b = CLU(b_table, x_n, y_n, z) - CLU(b_table, x, y_n, z);
-				c2_b = CLU(b_table, x, y_n, z) - c0_b;
-				c3_b = CLU(b_table, x_n, y_n, z_n) - CLU(b_table, x_n, y_n, z);
-			} else {
-				if (ry >= rz) { //ry >= rz && rz > rx 
-					c1_r = CLU(r_table, x_n, y_n, z_n) - CLU(r_table, x, y_n, z_n);
-					c2_r = CLU(r_table, x, y_n, z) - c0_r;
-					c3_r = CLU(r_table, x, y_n, z_n) - CLU(r_table, x, y_n, z);
-					c1_g = CLU(g_table, x_n, y_n, z_n) - CLU(g_table, x, y_n, z_n);
-					c2_g = CLU(g_table, x, y_n, z) - c0_g;
-					c3_g = CLU(g_table, x, y_n, z_n) - CLU(g_table, x, y_n, z);
-					c1_b = CLU(b_table, x_n, y_n, z_n) - CLU(b_table, x, y_n, z_n);
-					c2_b = CLU(b_table, x, y_n, z) - c0_b;
-					c3_b = CLU(b_table, x, y_n, z_n) - CLU(b_table, x, y_n, z);
-				} else { //rz > ry && ry > rx
-					c1_r = CLU(r_table, x_n, y_n, z_n) - CLU(r_table, x, y_n, z_n);
-					c2_r = CLU(r_table, x, y_n, z_n) - CLU(r_table, x, y, z_n);
-					c3_r = CLU(r_table, x, y, z_n) - c0_r;
-					c1_g = CLU(g_table, x_n, y_n, z_n) - CLU(g_table, x, y_n, z_n);
-					c2_g = CLU(g_table, x, y_n, z_n) - CLU(g_table, x, y, z_n);
-					c3_g = CLU(g_table, x, y, z_n) - c0_g;
-					c1_b = CLU(b_table, x_n, y_n, z_n) - CLU(b_table, x, y_n, z_n);
-					c2_b = CLU(b_table, x, y_n, z_n) - CLU(b_table, x, y, z_n);
-					c3_b = CLU(b_table, x, y, z_n) - c0_b;
-				}
-			}
-		}
-				
-		clut_r = c0_r + c1_r*rx + c2_r*ry + c3_r*rz;
-		clut_g = c0_g + c1_g*rx + c2_g*ry + c3_g*rz;
-		clut_b = c0_b + c1_b*rx + c2_b*ry + c3_b*rz;
-
-		dest[r_out] = clamp_u8(clut_r*255.0f);
-		dest[1]     = clamp_u8(clut_g*255.0f);
-		dest[b_out] = clamp_u8(clut_b*255.0f);
-		dest[3]     = in_a;
-		dest += 4;
-	}
-}
-
-// Using lcms' tetra interpolation code.
-static void qcms_transform_data_tetra_clut(qcms_transform *transform, unsigned char *src, unsigned char *dest, size_t length, qcms_format_type output_format)
-{
-	const int r_out = output_format.r;
-	const int b_out = output_format.b;
-
-	unsigned int i;
-	int xy_len = 1;
-	int x_len = transform->grid_size;
-	int len = x_len * x_len;
-	float* r_table = transform->r_clut;
-	float* g_table = transform->g_clut;
-	float* b_table = transform->b_clut;
-	float c0_r, c1_r, c2_r, c3_r;
-	float c0_g, c1_g, c2_g, c3_g;
-	float c0_b, c1_b, c2_b, c3_b;
-	float clut_r, clut_g, clut_b;
-
-	if (!(transform->transform_flags & TRANSFORM_FLAG_CLUT_CACHE))
-		qcms_transform_build_clut_cache(transform);
-
-	for (i = 0; i < length; i++) {
-		unsigned char in_r = *src++;
-		unsigned char in_g = *src++;
-		unsigned char in_b = *src++;
-
-		int x = transform->floor_cache[in_r];
-		int y = transform->floor_cache[in_g];
-		int z = transform->floor_cache[in_b];
-
-		int x_n = transform->ceil_cache[in_r];
-		int y_n = transform->ceil_cache[in_g];
-		int z_n = transform->ceil_cache[in_b];
-
-		float rx = transform->r_cache[in_r];
-		float ry = transform->r_cache[in_g];
-		float rz = transform->r_cache[in_b];
-
-		c0_r = CLU(r_table, x, y, z);
-		c0_g = CLU(g_table, x, y, z);
-		c0_b = CLU(b_table, x, y, z);
-
-		if( rx >= ry ) {
-			if (ry >= rz) { //rx >= ry && ry >= rz
-				c1_r = CLU(r_table, x_n, y, z) - c0_r;
-				c2_r = CLU(r_table, x_n, y_n, z) - CLU(r_table, x_n, y, z);
-				c3_r = CLU(r_table, x_n, y_n, z_n) - CLU(r_table, x_n, y_n, z);
-				c1_g = CLU(g_table, x_n, y, z) - c0_g;
-				c2_g = CLU(g_table, x_n, y_n, z) - CLU(g_table, x_n, y, z);
-				c3_g = CLU(g_table, x_n, y_n, z_n) - CLU(g_table, x_n, y_n, z);
-				c1_b = CLU(b_table, x_n, y, z) - c0_b;
-				c2_b = CLU(b_table, x_n, y_n, z) - CLU(b_table, x_n, y, z);
-				c3_b = CLU(b_table, x_n, y_n, z_n) - CLU(b_table, x_n, y_n, z);
-			} else { 
-				if (rx >= rz) { //rx >= rz && rz >= ry
-					c1_r = CLU(r_table, x_n, y, z) - c0_r;
-					c2_r = CLU(r_table, x_n, y_n, z_n) - CLU(r_table, x_n, y, z_n);
-					c3_r = CLU(r_table, x_n, y, z_n) - CLU(r_table, x_n, y, z);
-					c1_g = CLU(g_table, x_n, y, z) - c0_g;
-					c2_g = CLU(g_table, x_n, y_n, z_n) - CLU(g_table, x_n, y, z_n);
-					c3_g = CLU(g_table, x_n, y, z_n) - CLU(g_table, x_n, y, z);
-					c1_b = CLU(b_table, x_n, y, z) - c0_b;
-					c2_b = CLU(b_table, x_n, y_n, z_n) - CLU(b_table, x_n, y, z_n);
-					c3_b = CLU(b_table, x_n, y, z_n) - CLU(b_table, x_n, y, z);
-				} else { //rz > rx && rx >= ry
-					c1_r = CLU(r_table, x_n, y, z_n) - CLU(r_table, x, y, z_n);
-					c2_r = CLU(r_table, x_n, y_n, z_n) - CLU(r_table, x_n, y, z_n);
-					c3_r = CLU(r_table, x, y, z_n) - c0_r;
-					c1_g = CLU(g_table, x_n, y, z_n) - CLU(g_table, x, y, z_n);
-					c2_g = CLU(g_table, x_n, y_n, z_n) - CLU(g_table, x_n, y, z_n);
-					c3_g = CLU(g_table, x, y, z_n) - c0_g;
-					c1_b = CLU(b_table, x_n, y, z_n) - CLU(b_table, x, y, z_n);
-					c2_b = CLU(b_table, x_n, y_n, z_n) - CLU(b_table, x_n, y, z_n);
-					c3_b = CLU(b_table, x, y, z_n) - c0_b;
-				}
-			}
-		} else {
-			if (rx >= rz) { //ry > rx && rx >= rz
-				c1_r = CLU(r_table, x_n, y_n, z) - CLU(r_table, x, y_n, z);
-				c2_r = CLU(r_table, x, y_n, z) - c0_r;
-				c3_r = CLU(r_table, x_n, y_n, z_n) - CLU(r_table, x_n, y_n, z);
-				c1_g = CLU(g_table, x_n, y_n, z) - CLU(g_table, x, y_n, z);
-				c2_g = CLU(g_table, x, y_n, z) - c0_g;
-				c3_g = CLU(g_table, x_n, y_n, z_n) - CLU(g_table, x_n, y_n, z);
-				c1_b = CLU(b_table, x_n, y_n, z) - CLU(b_table, x, y_n, z);
-				c2_b = CLU(b_table, x, y_n, z) - c0_b;
-				c3_b = CLU(b_table, x_n, y_n, z_n) - CLU(b_table, x_n, y_n, z);
-			} else {
-				if (ry >= rz) { //ry >= rz && rz > rx 
-					c1_r = CLU(r_table, x_n, y_n, z_n) - CLU(r_table, x, y_n, z_n);
-					c2_r = CLU(r_table, x, y_n, z) - c0_r;
-					c3_r = CLU(r_table, x, y_n, z_n) - CLU(r_table, x, y_n, z);
-					c1_g = CLU(g_table, x_n, y_n, z_n) - CLU(g_table, x, y_n, z_n);
-					c2_g = CLU(g_table, x, y_n, z) - c0_g;
-					c3_g = CLU(g_table, x, y_n, z_n) - CLU(g_table, x, y_n, z);
-					c1_b = CLU(b_table, x_n, y_n, z_n) - CLU(b_table, x, y_n, z_n);
-					c2_b = CLU(b_table, x, y_n, z) - c0_b;
-					c3_b = CLU(b_table, x, y_n, z_n) - CLU(b_table, x, y_n, z);
-				} else { //rz > ry && ry > rx
-					c1_r = CLU(r_table, x_n, y_n, z_n) - CLU(r_table, x, y_n, z_n);
-					c2_r = CLU(r_table, x, y_n, z_n) - CLU(r_table, x, y, z_n);
-					c3_r = CLU(r_table, x, y, z_n) - c0_r;
-					c1_g = CLU(g_table, x_n, y_n, z_n) - CLU(g_table, x, y_n, z_n);
-					c2_g = CLU(g_table, x, y_n, z_n) - CLU(g_table, x, y, z_n);
-					c3_g = CLU(g_table, x, y, z_n) - c0_g;
-					c1_b = CLU(b_table, x_n, y_n, z_n) - CLU(b_table, x, y_n, z_n);
-					c2_b = CLU(b_table, x, y_n, z_n) - CLU(b_table, x, y, z_n);
-					c3_b = CLU(b_table, x, y, z_n) - c0_b;
-				}
-			}
-		}
-				
-		clut_r = c0_r + c1_r*rx + c2_r*ry + c3_r*rz;
-		clut_g = c0_g + c1_g*rx + c2_g*ry + c3_g*rz;
-		clut_b = c0_b + c1_b*rx + c2_b*ry + c3_b*rz;
-
-		dest[r_out] = clamp_u8(clut_r*255.0f);
-		dest[1]     = clamp_u8(clut_g*255.0f);
-		dest[b_out] = clamp_u8(clut_b*255.0f);
-		dest += 3;
-	}
-}
-
-static void qcms_transform_data_rgb_out_lut(qcms_transform *transform, unsigned char *src, unsigned char *dest, size_t length, qcms_format_type output_format)
-{
-	const int r_out = output_format.r;
-	const int b_out = output_format.b;
-
-	unsigned int i;
-	float (*mat)[4] = transform->matrix;
-	for (i = 0; i < length; i++) {
-		unsigned char device_r = *src++;
-		unsigned char device_g = *src++;
-		unsigned char device_b = *src++;
-		float out_device_r, out_device_g, out_device_b;
-
-		float linear_r = transform->input_gamma_table_r[device_r];
-		float linear_g = transform->input_gamma_table_g[device_g];
-		float linear_b = transform->input_gamma_table_b[device_b];
-
-		float out_linear_r = mat[0][0]*linear_r + mat[1][0]*linear_g + mat[2][0]*linear_b;
-		float out_linear_g = mat[0][1]*linear_r + mat[1][1]*linear_g + mat[2][1]*linear_b;
-		float out_linear_b = mat[0][2]*linear_r + mat[1][2]*linear_g + mat[2][2]*linear_b;
-
-		out_linear_r = clamp_float(out_linear_r);
-		out_linear_g = clamp_float(out_linear_g);
-		out_linear_b = clamp_float(out_linear_b);
-
-		out_device_r = lut_interp_linear(out_linear_r, 
-				transform->output_gamma_lut_r, transform->output_gamma_lut_r_length);
-		out_device_g = lut_interp_linear(out_linear_g, 
-				transform->output_gamma_lut_g, transform->output_gamma_lut_g_length);
-		out_device_b = lut_interp_linear(out_linear_b, 
-				transform->output_gamma_lut_b, transform->output_gamma_lut_b_length);
-
-		dest[r_out] = clamp_u8(out_device_r*255);
-		dest[1]     = clamp_u8(out_device_g*255);
-		dest[b_out] = clamp_u8(out_device_b*255);
-		dest += 3;
-	}
-}
-
-static void qcms_transform_data_rgba_out_lut(qcms_transform *transform, unsigned char *src, unsigned char *dest, size_t length, qcms_format_type output_format)
-{
-	const int r_out = output_format.r;
-	const int b_out = output_format.b;
-
-	unsigned int i;
-	float (*mat)[4] = transform->matrix;
-	for (i = 0; i < length; i++) {
-		unsigned char device_r = *src++;
-		unsigned char device_g = *src++;
-		unsigned char device_b = *src++;
-		unsigned char alpha = *src++;
-		float out_device_r, out_device_g, out_device_b;
-
-		float linear_r = transform->input_gamma_table_r[device_r];
-		float linear_g = transform->input_gamma_table_g[device_g];
-		float linear_b = transform->input_gamma_table_b[device_b];
-
-		float out_linear_r = mat[0][0]*linear_r + mat[1][0]*linear_g + mat[2][0]*linear_b;
-		float out_linear_g = mat[0][1]*linear_r + mat[1][1]*linear_g + mat[2][1]*linear_b;
-		float out_linear_b = mat[0][2]*linear_r + mat[1][2]*linear_g + mat[2][2]*linear_b;
-
-		out_linear_r = clamp_float(out_linear_r);
-		out_linear_g = clamp_float(out_linear_g);
-		out_linear_b = clamp_float(out_linear_b);
-
-		out_device_r = lut_interp_linear(out_linear_r, 
-				transform->output_gamma_lut_r, transform->output_gamma_lut_r_length);
-		out_device_g = lut_interp_linear(out_linear_g, 
-				transform->output_gamma_lut_g, transform->output_gamma_lut_g_length);
-		out_device_b = lut_interp_linear(out_linear_b, 
-				transform->output_gamma_lut_b, transform->output_gamma_lut_b_length);
-
-		dest[r_out] = clamp_u8(out_device_r*255);
-		dest[1]     = clamp_u8(out_device_g*255);
-		dest[b_out] = clamp_u8(out_device_b*255);
-		dest[3]     = alpha;
-		dest += 4;
-	}
-}
-
-#if 0
-static void qcms_transform_data_rgb_out_linear(qcms_transform *transform, unsigned char *src, unsigned char *dest, size_t length, qcms_format_type output_format)
-{
-	const int r_out = output_format.r;
-	const int b_out = output_format.b;
-
-	int i;
-	float (*mat)[4] = transform->matrix;
-	for (i = 0; i < length; i++) {
-		unsigned char device_r = *src++;
-		unsigned char device_g = *src++;
-		unsigned char device_b = *src++;
-
-		float linear_r = transform->input_gamma_table_r[device_r];
-		float linear_g = transform->input_gamma_table_g[device_g];
-		float linear_b = transform->input_gamma_table_b[device_b];
-
-		float out_linear_r = mat[0][0]*linear_r + mat[1][0]*linear_g + mat[2][0]*linear_b;
-		float out_linear_g = mat[0][1]*linear_r + mat[1][1]*linear_g + mat[2][1]*linear_b;
-		float out_linear_b = mat[0][2]*linear_r + mat[1][2]*linear_g + mat[2][2]*linear_b;
-
-		dest[r_out] = clamp_u8(out_linear_r*255);
-		dest[1]     = clamp_u8(out_linear_g*255);
-		dest[b_out] = clamp_u8(out_linear_b*255);
-		dest += 3;
-	}
-}
-#endif
-
-/*
- * If users create and destroy objects on different threads, even if the same
- * objects aren't used on different threads at the same time, we can still run
- * in to trouble with refcounts if they aren't atomic.
- *
- * This can lead to us prematurely deleting the precache if threads get unlucky
- * and write the wrong value to the ref count.
- */
-static struct precache_output *precache_reference(struct precache_output *p)
-{
-	qcms_atomic_increment(p->ref_count);
-	return p;
-}
-
-static struct precache_output *precache_create()
-{
-	struct precache_output *p = malloc(sizeof(struct precache_output));
-	if (p)
-		p->ref_count = 1;
-	return p;
-}
-
-void precache_release(struct precache_output *p)
-{
-	if (qcms_atomic_decrement(p->ref_count) == 0) {
-		free(p);
-	}
-}
-
-#ifdef HAVE_POSIX_MEMALIGN
-static qcms_transform *transform_alloc(void)
-{
-	qcms_transform *t;
-	if (!posix_memalign(&t, 16, sizeof(*t))) {
-		return t;
-	} else {
-		return NULL;
-	}
-}
-static void transform_free(qcms_transform *t)
-{
-	free(t);
-}
-#else
-static qcms_transform *transform_alloc(void)
-{
-	/* transform needs to be aligned on a 16byte boundrary */
-	char *original_block = calloc(sizeof(qcms_transform) + sizeof(void*) + 16, 1);
-	/* make room for a pointer to the block returned by calloc */
-	void *transform_start = original_block + sizeof(void*);
-	/* align transform_start */
-	qcms_transform *transform_aligned = (qcms_transform*)(((uintptr_t)transform_start + 15) & ~0xf);
-
-	/* store a pointer to the block returned by calloc so that we can free it later */
-	void **(original_block_ptr) = (void**)transform_aligned;
-	if (!original_block)
-		return NULL;
-	original_block_ptr--;
-	*original_block_ptr = original_block;
-
-	return transform_aligned;
-}
-static void transform_free(qcms_transform *t)
-{
-	/* get at the pointer to the unaligned block returned by calloc */
-	void **p = (void**)t;
-	p--;
-	free(*p);
-}
-#endif
-
-void qcms_transform_release(qcms_transform *t)
-{
-	/* ensure we only free the gamma tables once even if there are
-	 * multiple references to the same data */
-
-	if (t->output_table_r)
-		precache_release(t->output_table_r);
-	if (t->output_table_g)
-		precache_release(t->output_table_g);
-	if (t->output_table_b)
-		precache_release(t->output_table_b);
-
-	free(t->input_gamma_table_r);
-	if (t->input_gamma_table_g != t->input_gamma_table_r)
-		free(t->input_gamma_table_g);
-	if (t->input_gamma_table_g != t->input_gamma_table_r &&
-	    t->input_gamma_table_g != t->input_gamma_table_b)
-		free(t->input_gamma_table_b);
-
-	free(t->input_gamma_table_gray);
-
-	free(t->output_gamma_lut_r);
-	free(t->output_gamma_lut_g);
-	free(t->output_gamma_lut_b);
-
-	transform_free(t);
-}
-
-#ifdef X86
-// Determine if we can build with SSE2 (this was partly copied from jmorecfg.h in
-// mozilla/jpeg)
- // -------------------------------------------------------------------------
-#if defined(_M_IX86) && defined(_MSC_VER)
-#define HAS_CPUID
-/* Get us a CPUID function. Avoid clobbering EBX because sometimes it's the PIC
-   register - I'm not sure if that ever happens on windows, but cpuid isn't
-   on the critical path so we just preserve the register to be safe and to be
-   consistent with the non-windows version. */
-static void cpuid(uint32_t fxn, uint32_t *a, uint32_t *b, uint32_t *c, uint32_t *d) {
-       uint32_t a_, b_, c_, d_;
-       __asm {
-              xchg   ebx, esi
-              mov    eax, fxn
-              cpuid
-              mov    a_, eax
-              mov    b_, ebx
-              mov    c_, ecx
-              mov    d_, edx
-              xchg   ebx, esi
-       }
-       *a = a_;
-       *b = b_;
-       *c = c_;
-       *d = d_;
-}
-#elif (defined(__GNUC__) || defined(__SUNPRO_C)) && (defined(__i386__) || defined(__i386))
-#define HAS_CPUID
-/* Get us a CPUID function. We can't use ebx because it's the PIC register on
-   some platforms, so we use ESI instead and save ebx to avoid clobbering it. */
-static void cpuid(uint32_t fxn, uint32_t *a, uint32_t *b, uint32_t *c, uint32_t *d) {
-
-	uint32_t a_, b_, c_, d_;
-       __asm__ __volatile__ ("xchgl %%ebx, %%esi; cpuid; xchgl %%ebx, %%esi;" 
-                             : "=a" (a_), "=S" (b_), "=c" (c_), "=d" (d_) : "a" (fxn));
-	   *a = a_;
-	   *b = b_;
-	   *c = c_;
-	   *d = d_;
-}
-#endif
-
-// -------------------------Runtime SSEx Detection-----------------------------
-
-/* MMX is always supported per
- *  Gecko v1.9.1 minimum CPU requirements */
-#define SSE1_EDX_MASK (1UL << 25)
-#define SSE2_EDX_MASK (1UL << 26)
-#define SSE3_ECX_MASK (1UL <<  0)
-
-static int sse_version_available(void)
-{
-#if defined(__x86_64__) || defined(__x86_64) || defined(_M_AMD64)
-	/* we know at build time that 64-bit CPUs always have SSE2
-	 * this tells the compiler that non-SSE2 branches will never be
-	 * taken (i.e. OK to optimze away the SSE1 and non-SIMD code */
-	return 2;
-#elif defined(HAS_CPUID)
-	static int sse_version = -1;
-	uint32_t a, b, c, d;
-	uint32_t function = 0x00000001;
-
-	if (sse_version == -1) {
-		sse_version = 0;
-		cpuid(function, &a, &b, &c, &d);
-		if (c & SSE3_ECX_MASK)
-			sse_version = 3;
-		else if (d & SSE2_EDX_MASK)
-			sse_version = 2;
-		else if (d & SSE1_EDX_MASK)
-			sse_version = 1;
-	}
-
-	return sse_version;
-#else
-	return 0;
-#endif
-}
-#endif
-
-static const struct matrix bradford_matrix = {{	{ 0.8951f, 0.2664f,-0.1614f},
-						{-0.7502f, 1.7135f, 0.0367f},
-						{ 0.0389f,-0.0685f, 1.0296f}}, 
-						false};
-
-static const struct matrix bradford_matrix_inv = {{ { 0.9869929f,-0.1470543f, 0.1599627f},
-						    { 0.4323053f, 0.5183603f, 0.0492912f},
-						    {-0.0085287f, 0.0400428f, 0.9684867f}}, 
-						    false};
-
-// See ICCv4 E.3
-struct matrix compute_whitepoint_adaption(float X, float Y, float Z) {
-	float p = (0.96422f*bradford_matrix.m[0][0] + 1.000f*bradford_matrix.m[1][0] + 0.82521f*bradford_matrix.m[2][0]) /
-		  (X*bradford_matrix.m[0][0]      + Y*bradford_matrix.m[1][0]      + Z*bradford_matrix.m[2][0]     );
-	float y = (0.96422f*bradford_matrix.m[0][1] + 1.000f*bradford_matrix.m[1][1] + 0.82521f*bradford_matrix.m[2][1]) /
-		  (X*bradford_matrix.m[0][1]      + Y*bradford_matrix.m[1][1]      + Z*bradford_matrix.m[2][1]     );
-	float b = (0.96422f*bradford_matrix.m[0][2] + 1.000f*bradford_matrix.m[1][2] + 0.82521f*bradford_matrix.m[2][2]) /
-		  (X*bradford_matrix.m[0][2]      + Y*bradford_matrix.m[1][2]      + Z*bradford_matrix.m[2][2]     );
-	struct matrix white_adaption = {{ {p,0,0}, {0,y,0}, {0,0,b}}, false};
-	return matrix_multiply( bradford_matrix_inv, matrix_multiply(white_adaption, bradford_matrix) );
-}
-
-void qcms_profile_precache_output_transform(qcms_profile *profile)
-{
-	/* we only support precaching on rgb profiles */
-	if (profile->color_space != RGB_SIGNATURE)
-		return;
-
-	if (qcms_supports_iccv4) {
-		/* don't precache since we will use the B2A LUT */
-		if (profile->B2A0)
-			return;
-
-		/* don't precache since we will use the mBA LUT */
-		if (profile->mBA)
-			return;
-	}
-
-	/* don't precache if we do not have the TRC curves */
-	if (!profile->redTRC || !profile->greenTRC || !profile->blueTRC)
-		return;
-
-	if (!profile->output_table_r) {
-		profile->output_table_r = precache_create();
-		if (profile->output_table_r &&
-				!compute_precache(profile->redTRC, profile->output_table_r->data)) {
-			precache_release(profile->output_table_r);
-			profile->output_table_r = NULL;
-		}
-	}
-	if (!profile->output_table_g) {
-		profile->output_table_g = precache_create();
-		if (profile->output_table_g &&
-				!compute_precache(profile->greenTRC, profile->output_table_g->data)) {
-			precache_release(profile->output_table_g);
-			profile->output_table_g = NULL;
-		}
-	}
-	if (!profile->output_table_b) {
-		profile->output_table_b = precache_create();
-		if (profile->output_table_b &&
-				!compute_precache(profile->blueTRC, profile->output_table_b->data)) {
-			precache_release(profile->output_table_b);
-			profile->output_table_b = NULL;
-		}
-	}
-}
-
-/* Replace the current transformation with a LUT transformation using a given number of sample points */
-qcms_transform* qcms_transform_precacheLUT_float(qcms_transform *transform, qcms_profile *in, qcms_profile *out, 
-                                                 int samples, qcms_data_type in_type)
-{
-	/* The range between which 2 consecutive sample points can be used to interpolate */
-	uint16_t x,y,z;
-	uint32_t l;
-	uint32_t lutSize = 3 * samples * samples * samples;
-	float* src = NULL;
-	float* dest = NULL;
-	float* lut = NULL;
-	float inverse;
-
-	src = malloc(lutSize*sizeof(float));
-	dest = malloc(lutSize*sizeof(float));
-
-	if (src && dest) {
-		/* Prepare a list of points we want to sample: x, y, z order */
-		l = 0;
-		inverse = 1 / (float)(samples-1);
-		for (x = 0; x < samples; x++) {
-			for (y = 0; y < samples; y++) {
-				for (z = 0; z < samples; z++) {
-					src[l++] = x * inverse; // r
-					src[l++] = y * inverse; // g
-					src[l++] = z * inverse; // b
-				}
-			}
-		}
-
-		lut = qcms_chain_transform(in, out, src, dest, lutSize);
-
-		if (lut) {
-			transform->r_clut = &lut[0]; // r
-			transform->g_clut = &lut[1]; // g
-			transform->b_clut = &lut[2]; // b
-			transform->grid_size = samples;
-
-			if (in_type == QCMS_DATA_RGBA_8) {
-#if defined(SSE2_ENABLE)
-				if (sse_version_available() >= 2) {
-					transform->transform_fn = qcms_transform_data_tetra_clut_rgba_sse2;
-				} else {
-					transform->transform_fn = qcms_transform_data_tetra_clut_rgba;
-				}
-#else
-				transform->transform_fn = qcms_transform_data_tetra_clut_rgba;
-#endif
-			} else {
-				transform->transform_fn = qcms_transform_data_tetra_clut;
-			}
-		}
-	}
-
-	// XXX: qcms_modular_transform_data may return the lut in either the src or the
-	// dest buffer. If so, it must not be free-ed.
-	if (src && lut != src) {
-		free(src);
-	}
-	if (dest && lut != dest) {
-		free(dest);
-	}
-
-	if (lut == NULL) {
-		return NULL;
-	}
-	return transform;
-}
-
-/* Create a transform LUT using the given number of sample points. The transform LUT data is stored
-   in the output (cube) in bgra format in zyx sample order. */
-qcms_bool qcms_transform_create_LUT_zyx_bgra(qcms_profile *in, qcms_profile *out, qcms_intent intent,
-                                             int samples, unsigned char* cube)
-{
-	uint16_t z,y,x;
-	uint32_t l,index;
-	uint32_t lutSize = 3 * samples * samples * samples;
-
-	float* src = NULL;
-	float* dest = NULL;
-	float* lut = NULL;
-	float inverse;
-
-	src = malloc(lutSize*sizeof(float));
-	dest = malloc(lutSize*sizeof(float));
-
-	if (src && dest) {
-		/* Prepare a list of points we want to sample: z, y, x order */
-		l = 0;
-		inverse = 1 / (float)(samples-1);
-		for (z = 0; z < samples; z++) {
-			for (y = 0; y < samples; y++) {
-				for (x = 0; x < samples; x++) {
-					src[l++] = x * inverse; // r
-					src[l++] = y * inverse; // g
-					src[l++] = z * inverse; // b
-				}
-			}
-		}
-
-		lut = qcms_chain_transform(in, out, src, dest, lutSize);
-
-		if (lut) {
-			index = l = 0;
-			for (z = 0; z < samples; z++) {
-				for (y = 0; y < samples; y++) {
-					for (x = 0; x < samples; x++) {
-						cube[index++] = (int)floorf(lut[l + 2] * 255.0f + 0.5f); // b
-						cube[index++] = (int)floorf(lut[l + 1] * 255.0f + 0.5f); // g
-						cube[index++] = (int)floorf(lut[l + 0] * 255.0f + 0.5f); // r
-						cube[index++] = 255;                                     // a
-						l += 3;
-					}
-				}
-			}
-		}
-	}
-
-	// XXX: qcms_modular_transform_data may return the lut data in either the src or
-	// dest buffer so free src, dest, and lut with care.
-
-	if (src && lut != src)
-		free(src);
-	if (dest && lut != dest)
-		free(dest);
-
-	if (lut) {
-		free(lut);
-		return true;
-	}
-
-	return false;
-}
-
-void qcms_transform_build_clut_cache(qcms_transform* transform) {
-	const int grid_factor = transform->grid_size - 1;
-	const float grid_scaled = (1.0f / 255.0f) * grid_factor;
-	int i;
-
-#define div_255_ceiling(value) (((value) + 254) / 255)
-
-	for (i = 0; i < 256; i++) {
-		transform->ceil_cache[i] = div_255_ceiling(i * grid_factor);
-		transform->floor_cache[i] = i * grid_factor / 255;
-		transform->r_cache[i] = (i * grid_scaled) - transform->floor_cache[i];
-	}
-
-#undef div_255_ceil
-
-	transform->transform_flags |= TRANSFORM_FLAG_CLUT_CACHE;
-}
-
-#define NO_MEM_TRANSFORM NULL
-
-qcms_transform* qcms_transform_create(
-		qcms_profile *in, qcms_data_type in_type,
-		qcms_profile *out, qcms_data_type out_type,
-		qcms_intent intent)
-{
-	qcms_transform *transform = NULL;
-	bool precache = false;
-	int i, j;
-
-	transform = transform_alloc();
-	if (!transform) {
-		return NULL;
-	}
-
-	if (out_type != QCMS_DATA_RGB_8 && out_type != QCMS_DATA_RGBA_8) {
-		assert(0 && "output type");
-		qcms_transform_release(transform);
-		return NULL;
-	}
-
-	transform->transform_flags = 0;
-
-	if (out->output_table_r && out->output_table_g && out->output_table_b) {
-		precache = true;
-	}
-
-	if (qcms_supports_iccv4 && (in->A2B0 || out->B2A0 || in->mAB || out->mAB)) {
-		// Precache the transformation to a CLUT 33x33x33 in size.
-		// 33 is used by many profiles and works well in practice.
-		// This evenly divides 256 into blocks of 8x8x8.
-		// TODO For transforming small data sets of about 200x200 or less
-		// precaching should be avoided.
-		qcms_transform *result = qcms_transform_precacheLUT_float(transform, in, out, 33, in_type);
-		if (!result) {
-			assert(0 && "precacheLUT failed");
-			qcms_transform_release(transform);
-			return NULL;
-		}
-		return result;
-	}
-
-	/* A matrix-based transform will be selected: check that the PCS
-	   of the input/output profiles are the same, crbug.com/5120682 */
-	if (in->pcs != out->pcs) {
-		qcms_transform_release(transform);
-		return NULL;
-	}
-
-	if (precache) {
-		transform->output_table_r = precache_reference(out->output_table_r);
-		transform->output_table_g = precache_reference(out->output_table_g);
-		transform->output_table_b = precache_reference(out->output_table_b);
-	} else {
-		if (!out->redTRC || !out->greenTRC || !out->blueTRC) {
-			qcms_transform_release(transform);
-			return NO_MEM_TRANSFORM;
-		}
-
-		build_output_lut(out->redTRC, &transform->output_gamma_lut_r, &transform->output_gamma_lut_r_length);
-		build_output_lut(out->greenTRC, &transform->output_gamma_lut_g, &transform->output_gamma_lut_g_length);
-		build_output_lut(out->blueTRC, &transform->output_gamma_lut_b, &transform->output_gamma_lut_b_length);
-
-		if (!transform->output_gamma_lut_r || !transform->output_gamma_lut_g || !transform->output_gamma_lut_b) {
-			qcms_transform_release(transform);
-			return NO_MEM_TRANSFORM;
-		}
-	}
-
-	if (in->color_space == RGB_SIGNATURE) {
-		struct matrix in_matrix, out_matrix, result;
-
-		if (in_type != QCMS_DATA_RGB_8 && in_type != QCMS_DATA_RGBA_8) {
-			assert(0 && "input type");
-			qcms_transform_release(transform);
-			return NULL;
-		}
-
-		if (precache) {
-#if defined(SSE2_ENABLE)
-			if (sse_version_available() >= 2) {
-				if (in_type == QCMS_DATA_RGB_8)
-					transform->transform_fn = qcms_transform_data_rgb_out_lut_sse2;
-				else
-					transform->transform_fn = qcms_transform_data_rgba_out_lut_sse2;
-			} else
-#endif
-			{
-				if (in_type == QCMS_DATA_RGB_8)
-					transform->transform_fn = qcms_transform_data_rgb_out_lut_precache;
-				else
-					transform->transform_fn = qcms_transform_data_rgba_out_lut_precache;
-			}
-		} else {
-			if (in_type == QCMS_DATA_RGB_8)
-				transform->transform_fn = qcms_transform_data_rgb_out_lut;
-			else
-				transform->transform_fn = qcms_transform_data_rgba_out_lut;
-		}
-
-		//XXX: avoid duplicating tables if we can
-		transform->input_gamma_table_r = build_input_gamma_table(in->redTRC);
-		transform->input_gamma_table_g = build_input_gamma_table(in->greenTRC);
-		transform->input_gamma_table_b = build_input_gamma_table(in->blueTRC);
-
-		if (!transform->input_gamma_table_r || !transform->input_gamma_table_g || !transform->input_gamma_table_b) {
-			qcms_transform_release(transform);
-			return NO_MEM_TRANSFORM;
-		}
-
-		/* build combined colorant matrix */
-		in_matrix = build_colorant_matrix(in);
-		out_matrix = build_colorant_matrix(out);
-		out_matrix = matrix_invert(out_matrix);
-		if (out_matrix.invalid) {
-			qcms_transform_release(transform);
-			return NULL;
-		}
-		result = matrix_multiply(out_matrix, in_matrix);
-
-		/* check for NaN values in the matrix and bail if we find any
-		   see also https://bugzilla.mozilla.org/show_bug.cgi?id=1170316 */
-		for (i = 0 ; i < 3 ; ++i) {
-			for (j = 0 ; j < 3 ; ++j) {
-				if (result.m[i][j] != result.m[i][j]) {
-					qcms_transform_release(transform);
-					return NULL;
-				}
-			}
-		}
-
-		/* store the results in column major mode
-		 * this makes doing the multiplication with sse easier */
-		transform->matrix[0][0] = result.m[0][0];
-		transform->matrix[1][0] = result.m[0][1];
-		transform->matrix[2][0] = result.m[0][2];
-		transform->matrix[0][1] = result.m[1][0];
-		transform->matrix[1][1] = result.m[1][1];
-		transform->matrix[2][1] = result.m[1][2];
-		transform->matrix[0][2] = result.m[2][0];
-		transform->matrix[1][2] = result.m[2][1];
-		transform->matrix[2][2] = result.m[2][2];
-
-		/* Flag transform as matrix. */
-		transform->transform_flags |= TRANSFORM_FLAG_MATRIX;
-
-	} else if (in->color_space == GRAY_SIGNATURE) {
-		if (in_type != QCMS_DATA_GRAY_8 && in_type != QCMS_DATA_GRAYA_8) {
-			assert(0 && "input type");
-			qcms_transform_release(transform);
-			return NULL;
-		}
-
-		transform->input_gamma_table_gray = build_input_gamma_table(in->grayTRC);
-
-		if (!transform->input_gamma_table_gray) {
-			qcms_transform_release(transform);
-			return NO_MEM_TRANSFORM;
-		}
-
-		if (precache) {
-			if (in_type == QCMS_DATA_GRAY_8) {
-				transform->transform_fn = qcms_transform_data_gray_out_precache;
-			} else {
-				transform->transform_fn = qcms_transform_data_graya_out_precache;
-			}
-		} else {
-			if (in_type == QCMS_DATA_GRAY_8) {
-				transform->transform_fn = qcms_transform_data_gray_out_lut;
-			} else {
-				transform->transform_fn = qcms_transform_data_graya_out_lut;
-			}
-		}
-	} else {
-		assert(0 && "unexpected colorspace");
-		qcms_transform_release(transform);
-		return NULL;
-	}
-
-	return transform;
-}
-
-/* __force_align_arg_pointer__ is an x86-only attribute, and gcc/clang warns on unused
- * attributes. Don't use this on ARM or AMD64. __has_attribute can detect the presence
- * of the attribute but is currently only supported by clang */
-#if defined(__has_attribute)
-#define HAS_FORCE_ALIGN_ARG_POINTER __has_attribute(__force_align_arg_pointer__)
-#elif defined(__GNUC__) && defined(__i386__)
-#define HAS_FORCE_ALIGN_ARG_POINTER 1
-#else
-#define HAS_FORCE_ALIGN_ARG_POINTER 0
-#endif
-
-#if HAS_FORCE_ALIGN_ARG_POINTER
-/* we need this to avoid crashes when gcc assumes the stack is 128bit aligned */
-__attribute__((__force_align_arg_pointer__))
-#endif
-void qcms_transform_data(qcms_transform *transform, void *src, void *dest, size_t length)
-{
-	static const struct _qcms_format_type output_rgbx = { 0, 2 };
-
-	transform->transform_fn(transform, src, dest, length, output_rgbx);
-}
-
-void qcms_transform_data_type(qcms_transform *transform, void *src, void *dest, size_t length, qcms_output_type type)
-{
-	static const struct _qcms_format_type output_rgbx = { 0, 2 };
-	static const struct _qcms_format_type output_bgrx = { 2, 0 };
-
-	transform->transform_fn(transform, src, dest, length, type == QCMS_OUTPUT_BGRX ? output_bgrx : output_rgbx);
-}
-
-#define ENABLE_ICC_V4_PROFILE_SUPPORT false
-
-qcms_bool qcms_supports_iccv4 = ENABLE_ICC_V4_PROFILE_SUPPORT;
-
-void qcms_enable_iccv4()
-{
-	qcms_supports_iccv4 = true;
-}
-
-static inline qcms_bool transform_is_matrix(qcms_transform *t)
-{
-	return (t->transform_flags & TRANSFORM_FLAG_MATRIX) ? true : false;
-}
-
-qcms_bool qcms_transform_is_matrix(qcms_transform *t)
-{
-	return transform_is_matrix(t);
-}
-
-float qcms_transform_get_matrix(qcms_transform *t, unsigned i, unsigned j)
-{
-	assert(transform_is_matrix(t) && i < 3 && j < 3);
-
-	// Return transform matrix element in row major order (permute i and j)
-
-	return t->matrix[j][i];
-}
-
-static inline qcms_bool supported_trc_type(qcms_trc_type type)
-{
-	return (type == QCMS_TRC_HALF_FLOAT || type == QCMS_TRC_USHORT);
-}
-
-const uint16_t half_float_one = 0x3c00;
-
-size_t qcms_transform_get_input_trc_rgba(qcms_transform *t, qcms_profile *in, qcms_trc_type type, unsigned short *data)
-{
-	const size_t size = 256; // The input gamma tables always have 256 entries.
-
-	size_t i;
-
-	if (in->color_space != RGB_SIGNATURE || !supported_trc_type(type))
-		return 0;
-
-	// qcms_profile *in is assumed to be the profile on the input-side of the color transform t.
-	// When a transform is created, the input gamma curve data is stored in the transform ...
-
-	if (!t->input_gamma_table_r || !t->input_gamma_table_g || !t->input_gamma_table_b)
-		return 0;
-
-	// Report the size if no output data is requested. This allows callers to first work out the
-	// the curve size, then provide allocated memory sufficient to store the curve rgba data.
-
-	if (!data)
-		return size;
-
-	switch(type) {
-		case QCMS_TRC_HALF_FLOAT:
-			for (i = 0; i < size; ++i) {
-				*data++ = float_to_half_float(t->input_gamma_table_r[i]); // r
-				*data++ = float_to_half_float(t->input_gamma_table_g[i]); // g
-				*data++ = float_to_half_float(t->input_gamma_table_b[i]); // b
-				*data++ = half_float_one;                                 // a
-			}
-			break;
-		case QCMS_TRC_USHORT:
-			for (i = 0; i < size; ++i) {
-				*data++ = roundf(t->input_gamma_table_r[i] * 65535.0); // r
-				*data++ = roundf(t->input_gamma_table_g[i] * 65535.0); // g
-				*data++ = roundf(t->input_gamma_table_b[i] * 65535.0); // b
-				*data++ = 65535;                                       // a
-			}
-			break;
-		default:
-			/* should not be reached */
-			assert(0);
-	}
-
-	return size;
-}
-
-const float inverse65535 = (float) (1.0 / 65535.0);
-
-size_t qcms_transform_get_output_trc_rgba(qcms_transform *t, qcms_profile *out, qcms_trc_type type, unsigned short *data)
-{
-	size_t size, i;
-
-	if (out->color_space != RGB_SIGNATURE || !supported_trc_type(type))
-		return 0;
-
-	// qcms_profile *out is assumed to be the profile on the output-side of the transform t.
-	// If the transform output gamma curves need building, do that. They're usually built when
-	// the transform was created, but sometimes not due to the output gamma precache ...
-
-	if (!out->redTRC || !out->greenTRC || !out->blueTRC)
-		return 0;
-	if (!t->output_gamma_lut_r)
-		build_output_lut(out->redTRC, &t->output_gamma_lut_r, &t->output_gamma_lut_r_length);
-	if (!t->output_gamma_lut_g)
-		build_output_lut(out->greenTRC, &t->output_gamma_lut_g, &t->output_gamma_lut_g_length);
-	if (!t->output_gamma_lut_b)
-		build_output_lut(out->blueTRC, &t->output_gamma_lut_b, &t->output_gamma_lut_b_length);
-
-	if (!t->output_gamma_lut_r || !t->output_gamma_lut_g || !t->output_gamma_lut_b)
-		return 0;
-
-	// Output gamma tables should have the same size and should have 4096 entries at most (the
-	// minimum is 256). Larger tables are rare and ignored here: fail by returning 0.
-
-	size = t->output_gamma_lut_r_length;
-	if (size != t->output_gamma_lut_g_length)
-		return 0;
-	if (size != t->output_gamma_lut_b_length)
-		return 0;
-	if (size < 256 || size > 4096)
-		return 0;
-
-	// Report the size if no output data is requested. This allows callers to first work out the
-	// the curve size, then provide allocated memory sufficient to store the curve rgba data.
-
-	if (!data)
-		return size;
-
-	switch (type) {
-		case QCMS_TRC_HALF_FLOAT:
-			for (i = 0; i < size; ++i) {
-				*data++ = float_to_half_float(t->output_gamma_lut_r[i] * inverse65535); // r
-				*data++ = float_to_half_float(t->output_gamma_lut_g[i] * inverse65535); // g
-				*data++ = float_to_half_float(t->output_gamma_lut_b[i] * inverse65535); // b
-				*data++ = half_float_one;                                               // a
-			}
-			break;
-		case QCMS_TRC_USHORT:
-			for (i = 0; i < size; ++i) {
-				*data++ = t->output_gamma_lut_r[i]; // r
-				*data++ = t->output_gamma_lut_g[i]; // g
-				*data++ = t->output_gamma_lut_b[i]; // b
-				*data++ = 65535;                    // a
-			}
-			break;
-		default:
-			/* should not be reached */
-			assert(0);
-	}
-
-	return size;
-}