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-rw-r--r--third_party/qcms/transform-sse1.c253
1 files changed, 0 insertions, 253 deletions
diff --git a/third_party/qcms/transform-sse1.c b/third_party/qcms/transform-sse1.c
deleted file mode 100644
index 00707ca..0000000
--- a/third_party/qcms/transform-sse1.c
+++ /dev/null
@@ -1,253 +0,0 @@
-#include <xmmintrin.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_sse1(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 */
- *((__m64 *)&output[0]) = _mm_cvtps_pi32(result);
- result = _mm_movehl_ps(result, result);
- *((__m64 *)&output[2]) = _mm_cvtps_pi32(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);
-
- *((__m64 *)&output[0]) = _mm_cvtps_pi32(result);
- result = _mm_movehl_ps(result, result);
- *((__m64 *)&output[2]) = _mm_cvtps_pi32(result);
-
- dest[0] = otdata_r[output[0]];
- dest[1] = otdata_g[output[1]];
- dest[2] = otdata_b[output[2]];
-
- _mm_empty();
-}
-
-void qcms_transform_data_rgba_out_lut_sse1(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 */
- *((__m64 *)&output[0]) = _mm_cvtps_pi32(result);
- result = _mm_movehl_ps(result, result);
- *((__m64 *)&output[2]) = _mm_cvtps_pi32(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);
-
- *((__m64 *)&output[0]) = _mm_cvtps_pi32(result);
- result = _mm_movehl_ps(result, result);
- *((__m64 *)&output[2]) = _mm_cvtps_pi32(result);
-
- dest[0] = otdata_r[output[0]];
- dest[1] = otdata_g[output[1]];
- dest[2] = otdata_b[output[2]];
-
- _mm_empty();
-}
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