Add m-esr52 at 52.6.0

1 files changed, 269 insertions, 0 deletions

diff --git a/gfx/qcms/transform-altivec.c b/gfx/qcms/transform-altivec.c
new file mode 100644
index 000000000..230efbba2
--- /dev/null
+++ b/gfx/qcms/transform-altivec.c
@@ -0,0 +1,269 @@
+/* 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 <altivec.h>
+
+#include "qcmsint.h"
+
+#define FLOATSCALE (float)(PRECACHE_OUTPUT_SIZE)
+#define CLAMPMAXVAL (((float) (PRECACHE_OUTPUT_SIZE - 1)) / PRECACHE_OUTPUT_SIZE)
+static const ALIGN float floatScaleX4 = FLOATSCALE;
+static const ALIGN float clampMaxValueX4 = CLAMPMAXVAL;
+
+inline vector float load_aligned_float(float *dataPtr)
+{
+	vector float data = vec_lde(0, dataPtr);
+	vector unsigned char moveToStart = vec_lvsl(0, dataPtr);
+	return vec_perm(data, data, moveToStart);
+}
+
+void qcms_transform_data_rgb_out_lut_altivec(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 vector float mat0 = vec_ldl(0, (vector float*)mat[0]);
+	const vector float mat1 = vec_ldl(0, (vector float*)mat[1]);
+	const vector float mat2 = vec_ldl(0, (vector float*)mat[2]);
+
+	/* these values don't change, either */
+	const vector float max = vec_splat(vec_lde(0, (float*)&clampMaxValueX4), 0);
+	const vector float min = (vector float)vec_splat_u32(0);
+	const vector float scale = vec_splat(vec_lde(0, (float*)&floatScaleX4), 0);
+
+	/* working variables */
+	vector float 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 = load_aligned_float((float*)&igtbl_r[src[0]]);
+	vec_g = load_aligned_float((float*)&igtbl_r[src[1]]);
+	vec_b = load_aligned_float((float*)&igtbl_r[src[2]]);
+	src += 3;
+
+	/* transform all but final pixel */
+
+	for (i=0; i<length; i++)
+	{
+		/* position values from gamma tables */
+		vec_r = vec_splat(vec_r, 0);
+		vec_g = vec_splat(vec_g, 0);
+		vec_b = vec_splat(vec_b, 0);
+
+		/* gamma * matrix */
+		vec_r = vec_madd(vec_r, mat0, min);
+		vec_g = vec_madd(vec_g, mat1, min);
+		vec_b = vec_madd(vec_b, mat2, min);
+
+		/* crunch, crunch, crunch */
+		vec_r = vec_add(vec_r, vec_add(vec_g, vec_b));
+		vec_r = vec_max(min, vec_r);
+		vec_r = vec_min(max, vec_r);
+		result = vec_madd(vec_r, scale, min);
+
+		/* store calc'd output tables indices */
+		vec_st(vec_ctu(vec_round(result), 0), 0, (vector unsigned int*)output);
+
+		/* load for next loop while store completes */
+		vec_r = load_aligned_float((float*)&igtbl_r[src[0]]);
+		vec_g = load_aligned_float((float*)&igtbl_r[src[1]]);
+		vec_b = load_aligned_float((float*)&igtbl_r[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 = vec_splat(vec_r, 0);
+	vec_g = vec_splat(vec_g, 0);
+	vec_b = vec_splat(vec_b, 0);
+
+	vec_r = vec_madd(vec_r, mat0, min);
+	vec_g = vec_madd(vec_g, mat1, min);
+	vec_b = vec_madd(vec_b, mat2, min);
+
+	vec_r = vec_add(vec_r, vec_add(vec_g, vec_b));
+	vec_r = vec_max(min, vec_r);
+	vec_r = vec_min(max, vec_r);
+	result = vec_madd(vec_r, scale, min);
+
+	vec_st(vec_ctu(vec_round(result),0),0,(vector unsigned int*)output);
+
+	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_altivec(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 vector float mat0 = vec_ldl(0, (vector float*)mat[0]);
+	const vector float mat1 = vec_ldl(0, (vector float*)mat[1]);
+	const vector float mat2 = vec_ldl(0, (vector float*)mat[2]);
+
+	/* these values don't change, either */
+	const vector float max = vec_splat(vec_lde(0, (float*)&clampMaxValueX4), 0);
+	const vector float min = (vector float)vec_splat_u32(0);
+	const vector float scale = vec_splat(vec_lde(0, (float*)&floatScaleX4), 0);
+
+	/* working variables */
+	vector float 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 = load_aligned_float((float*)&igtbl_r[src[0]]);
+	vec_g = load_aligned_float((float*)&igtbl_r[src[1]]);
+	vec_b = load_aligned_float((float*)&igtbl_r[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 = vec_splat(vec_r, 0);
+		vec_g = vec_splat(vec_g, 0);
+		vec_b = vec_splat(vec_b, 0);
+
+		/* gamma * matrix */
+		vec_r = vec_madd(vec_r, mat0, min);
+		vec_g = vec_madd(vec_g, mat1, min);
+		vec_b = vec_madd(vec_b, mat2, min);
+
+		/* store alpha for this pixel; load alpha for next */
+		dest[3] = alpha;
+		alpha = src[3];
+
+		/* crunch, crunch, crunch */
+		vec_r = vec_add(vec_r, vec_add(vec_g, vec_b));
+		vec_r = vec_max(min, vec_r);
+		vec_r = vec_min(max, vec_r);
+		result = vec_madd(vec_r, scale, min);
+
+		/* store calc'd output tables indices */
+		vec_st(vec_ctu(vec_round(result), 0), 0, (vector unsigned int*)output);
+
+		/* load gamma values for next loop while store completes */
+		vec_r = load_aligned_float((float*)&igtbl_r[src[0]]);
+		vec_g = load_aligned_float((float*)&igtbl_r[src[1]]);
+		vec_b = load_aligned_float((float*)&igtbl_r[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 = vec_splat(vec_r, 0);
+	vec_g = vec_splat(vec_g, 0);
+	vec_b = vec_splat(vec_b, 0);
+
+	vec_r = vec_madd(vec_r, mat0, min);
+	vec_g = vec_madd(vec_g, mat1, min);
+	vec_b = vec_madd(vec_b, mat2, min);
+
+	dest[3] = alpha;
+
+	vec_r = vec_add(vec_r, vec_add(vec_g, vec_b));
+	vec_r = vec_max(min, vec_r);
+	vec_r = vec_min(max, vec_r);
+	result = vec_madd(vec_r, scale, min);
+
+	vec_st(vec_ctu(vec_round(result), 0), 0, (vector unsigned int*)output);
+
+	dest[0] = otdata_r[output[0]];
+	dest[1] = otdata_g[output[1]];
+	dest[2] = otdata_b[output[2]];
+}
+