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-rw-r--r--jccolor.c1
-rw-r--r--jcsample.c1
-rw-r--r--jddctmgr.c1
-rw-r--r--jdsample.c8
-rw-r--r--jsimd.h4
-rw-r--r--jsimd_none.c12
-rw-r--r--simd/jsimd.h6
-rw-r--r--simd/jsimd_mips.c49
-rw-r--r--simd/jsimd_mips_dspr2.S88
9 files changed, 169 insertions, 1 deletions
diff --git a/jccolor.c b/jccolor.c
index 0af1224..4be75f7 100644
--- a/jccolor.c
+++ b/jccolor.c
@@ -6,6 +6,7 @@
* libjpeg-turbo Modifications:
* Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB
* Copyright (C) 2009-2012, D. R. Commander.
+ * Copyright (C) 2014, MIPS Technologies, Inc., California
* For conditions of distribution and use, see the accompanying README file.
*
* This file contains input colorspace conversion routines.
diff --git a/jcsample.c b/jcsample.c
index d8c376b..286f758 100644
--- a/jcsample.c
+++ b/jcsample.c
@@ -5,6 +5,7 @@
* Copyright (C) 1991-1996, Thomas G. Lane.
* libjpeg-turbo Modifications:
* Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB
+ * Copyright (C) 2014, MIPS Technologies, Inc., California
* For conditions of distribution and use, see the accompanying README file.
*
* This file contains downsampling routines.
diff --git a/jddctmgr.c b/jddctmgr.c
index 93d5009..40e68f1 100644
--- a/jddctmgr.c
+++ b/jddctmgr.c
@@ -7,6 +7,7 @@
* libjpeg-turbo Modifications:
* Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB
* Copyright (C) 2010, D. R. Commander.
+ * Copyright (C) 2013, MIPS Technologies, Inc., California
* For conditions of distribution and use, see the accompanying README file.
*
* This file contains the inverse-DCT management logic.
diff --git a/jdsample.c b/jdsample.c
index 66f2c04..2752966 100644
--- a/jdsample.c
+++ b/jdsample.c
@@ -6,6 +6,7 @@
* libjpeg-turbo Modifications:
* Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB
* Copyright (C) 2010, D. R. Commander.
+ * Copyright (C) 2014, MIPS Technologies, Inc., California
* For conditions of distribution and use, see the accompanying README file.
*
* This file contains upsampling routines.
@@ -482,7 +483,12 @@ jinit_upsampler (j_decompress_ptr cinfo)
} else if ((h_out_group % h_in_group) == 0 &&
(v_out_group % v_in_group) == 0) {
/* Generic integral-factors upsampling method */
- upsample->methods[ci] = int_upsample;
+#if defined(__mips__)
+ if (jsimd_can_int_upsample())
+ upsample->methods[ci] = jsimd_int_upsample;
+ else
+#endif
+ upsample->methods[ci] = int_upsample;
upsample->h_expand[ci] = (UINT8) (h_out_group / h_in_group);
upsample->v_expand[ci] = (UINT8) (v_out_group / v_in_group);
} else
diff --git a/jsimd.h b/jsimd.h
index 663c969..d45fd70 100644
--- a/jsimd.h
+++ b/jsimd.h
@@ -47,6 +47,7 @@ EXTERN(void) jsimd_h2v1_downsample
EXTERN(int) jsimd_can_h2v2_upsample (void);
EXTERN(int) jsimd_can_h2v1_upsample (void);
+EXTERN(int) jsimd_can_int_upsample (void);
EXTERN(void) jsimd_h2v2_upsample
(j_decompress_ptr cinfo, jpeg_component_info * compptr,
@@ -54,6 +55,9 @@ EXTERN(void) jsimd_h2v2_upsample
EXTERN(void) jsimd_h2v1_upsample
(j_decompress_ptr cinfo, jpeg_component_info * compptr,
JSAMPARRAY input_data, JSAMPARRAY * output_data_ptr);
+EXTERN(void) jsimd_int_upsample
+ (j_decompress_ptr cinfo, jpeg_component_info * compptr,
+ JSAMPARRAY input_data, JSAMPARRAY * output_data_ptr);
EXTERN(int) jsimd_can_h2v2_fancy_upsample (void);
EXTERN(int) jsimd_can_h2v1_fancy_upsample (void);
diff --git a/jsimd_none.c b/jsimd_none.c
index bdba693..96a9842 100644
--- a/jsimd_none.c
+++ b/jsimd_none.c
@@ -118,6 +118,18 @@ jsimd_can_h2v1_upsample (void)
return 0;
}
+GLOBAL(int)
+jsimd_can_int_upsample (void)
+{
+ return 0;
+}
+
+GLOBAL(void)
+jsimd_int_upsample (j_decompress_ptr cinfo, jpeg_component_info * compptr,
+ JSAMPARRAY input_data, JSAMPARRAY * output_data_ptr)
+{
+}
+
GLOBAL(void)
jsimd_h2v2_upsample (j_decompress_ptr cinfo,
jpeg_component_info * compptr,
diff --git a/simd/jsimd.h b/simd/jsimd.h
index 776edbb..609b91f 100644
--- a/simd/jsimd.h
+++ b/simd/jsimd.h
@@ -339,6 +339,12 @@ EXTERN(void) jsimd_h2v2_upsample_mips_dspr2
(int max_v_samp_factor, JDIMENSION output_width, JSAMPARRAY input_data,
JSAMPARRAY * output_data_ptr);
+EXTERN(void) jsimd_int_upsample_mips_dspr2
+ (UINT8 h_expand, UINT8 v_expand, JSAMPARRAY input_data,
+ JSAMPARRAY * output_data_ptr, JDIMENSION output_width,
+ int max_v_samp_factor);
+
+
/* Fancy Upsampling */
EXTERN(void) jsimd_h2v1_fancy_upsample_mmx
(int max_v_samp_factor, JDIMENSION downsampled_width,
diff --git a/simd/jsimd_mips.c b/simd/jsimd_mips.c
index ae9d41e..2a1059e 100644
--- a/simd/jsimd_mips.c
+++ b/simd/jsimd_mips.c
@@ -85,6 +85,25 @@ static const int mips_idct_ifast_coefs[4] = {
0xAC60AC60 // FIX(-2.613125930 / 4) = -21407 = 0xAC61
};
+/* The following struct is borrowed from jdsample.c */
+typedef void (*upsample1_ptr) (j_decompress_ptr cinfo,
+ jpeg_component_info * compptr,
+ JSAMPARRAY input_data,
+ JSAMPARRAY * output_data_ptr);
+
+typedef struct {
+ struct jpeg_upsampler pub;
+ JSAMPARRAY color_buf[MAX_COMPONENTS];
+ upsample1_ptr methods[MAX_COMPONENTS];
+ int next_row_out;
+ JDIMENSION rows_to_go;
+ int rowgroup_height[MAX_COMPONENTS];
+ UINT8 h_expand[MAX_COMPONENTS];
+ UINT8 v_expand[MAX_COMPONENTS];
+} my_upsampler;
+
+typedef my_upsampler * my_upsample_ptr;
+
GLOBAL(int)
jsimd_can_rgb_ycc (void)
{
@@ -415,6 +434,23 @@ jsimd_can_h2v1_upsample (void)
return 0;
}
+GLOBAL(int)
+jsimd_can_int_upsample (void)
+{
+ init_simd();
+
+ /* The code is optimised for these values only */
+ if (BITS_IN_JSAMPLE != 8)
+ return 0;
+ if (sizeof(JDIMENSION) != 4)
+ return 0;
+
+ if (simd_support & JSIMD_MIPS_DSPR2)
+ return 1;
+
+ return 0;
+}
+
GLOBAL(void)
jsimd_h2v2_upsample (j_decompress_ptr cinfo,
jpeg_component_info * compptr,
@@ -439,6 +475,19 @@ jsimd_h2v1_upsample (j_decompress_ptr cinfo,
output_data_ptr);
}
+GLOBAL(void)
+jsimd_int_upsample (j_decompress_ptr cinfo, jpeg_component_info * compptr,
+ JSAMPARRAY input_data, JSAMPARRAY * output_data_ptr)
+{
+ my_upsample_ptr upsample = (my_upsample_ptr) cinfo->upsample;
+
+ jsimd_int_upsample_mips_dspr2(upsample->h_expand[compptr->component_index],
+ upsample->v_expand[compptr->component_index],
+ input_data, output_data_ptr,
+ cinfo->output_width,
+ cinfo->max_v_samp_factor);
+}
+
GLOBAL(int)
jsimd_can_h2v2_fancy_upsample (void)
{
diff --git a/simd/jsimd_mips_dspr2.S b/simd/jsimd_mips_dspr2.S
index 532966a..4572a51 100644
--- a/simd/jsimd_mips_dspr2.S
+++ b/simd/jsimd_mips_dspr2.S
@@ -1613,6 +1613,94 @@ LEAF_MIPS_DSPR2(jsimd_h2v2_smooth_downsample_mips_dspr2)
nop
END(jsimd_h2v2_smooth_downsample_mips_dspr2)
+
+/*****************************************************************************/
+LEAF_MIPS_DSPR2(jsimd_int_upsample_mips_dspr2)
+/*
+ * a0 - upsample->h_expand[compptr->component_index]
+ * a1 - upsample->v_expand[compptr->component_index]
+ * a2 - input_data
+ * a3 - output_data_ptr
+ * 16(sp) - cinfo->output_width
+ * 20(sp) - cinfo->max_v_samp_factor
+ */
+ .set at
+
+ SAVE_REGS_ON_STACK 16, s0, s1, s2, s3
+
+ lw s0, 0(a3) // s0 = output_data
+ lw s1, 32(sp) // s1 = cinfo->output_width
+ lw s2, 36(sp) // s2 = cinfo->max_v_samp_factor
+ li t6, 0 // t6 = inrow
+ beqz s2, 10f
+ li s3, 0 // s3 = outrow
+0:
+ addu t0, a2, t6
+ addu t7, s0, s3
+ lw t3, 0(t0) // t3 = inptr
+ lw t8, 0(t7) // t8 = outptr
+ beqz s1, 4f
+ addu t5, t8, s1 // t5 = outend
+1:
+ lb t2, 0(t3) // t2 = invalue = *inptr++
+ addiu t3, 1
+ beqz a0, 3f
+ move t0, a0 // t0 = h_expand
+2:
+ sb t2, 0(t8)
+ addiu t0, -1
+ bgtz t0, 2b
+ addiu t8, 1
+3:
+ bgt t5, t8, 1b
+ nop
+4:
+ addiu t9, a1, -1 // t9 = v_expand - 1
+ blez t9, 9f
+ nop
+5:
+ lw t3, 0(s0)
+ lw t4, 4(s0)
+ subu t0, s1, 0xF
+ blez t0, 7f
+ addu t5, t3, s1 // t5 = end address
+ andi t7, s1, 0xF // t7 = residual
+ subu t8, t5, t7
+6:
+ ulw t0, 0(t3)
+ ulw t1, 4(t3)
+ ulw t2, 8(t3)
+ usw t0, 0(t4)
+ ulw t0, 12(t3)
+ usw t1, 4(t4)
+ usw t2, 8(t4)
+ usw t0, 12(t4)
+ addiu t3, 16
+ bne t3, t8, 6b
+ addiu t4, 16
+ beqz t7, 8f
+ nop
+7:
+ lbu t0, 0(t3)
+ sb t0, 0(t4)
+ addiu t3, 1
+ bne t3, t5, 7b
+ addiu t4, 1
+8:
+ addiu t9, -1
+ bgtz t9, 5b
+ addiu s0, 8
+9:
+ addu s3, s3, a1
+ bne s3, s2, 0b
+ addiu t6, 1
+10:
+ RESTORE_REGS_FROM_STACK 16, s0, s1, s2, s3
+
+ j ra
+ nop
+END(jsimd_int_upsample_mips_dspr2)
+
/*****************************************************************************/
LEAF_MIPS_DSPR2(jsimd_h2v1_upsample_mips_dspr2)
/*