JPP((int max_v_samp_factor, JDIMENSION downsampled_width,
JSAMPARRAY input_data, JSAMPARRAY * output_data_ptr));
+EXTERN(void) jsimd_h2v2_merged_upsample_mips_dspr2
+ JPP((JDIMENSION output_width, JSAMPIMAGE input_buf,
+ JDIMENSION in_row_group_ctr, JSAMPARRAY output_buf,
+ JSAMPLE* range));
+EXTERN(void) jsimd_h2v2_extrgb_merged_upsample_mips_dspr2
+ JPP((JDIMENSION output_width, JSAMPIMAGE input_buf,
+ JDIMENSION in_row_group_ctr, JSAMPARRAY output_buf,
+ JSAMPLE* range));
+EXTERN(void) jsimd_h2v2_extrgbx_merged_upsample_mips_dspr2
+ JPP((JDIMENSION output_width, JSAMPIMAGE input_buf,
+ JDIMENSION in_row_group_ctr, JSAMPARRAY output_buf,
+ JSAMPLE* range));
+EXTERN(void) jsimd_h2v2_extbgr_merged_upsample_mips_dspr2
+ JPP((JDIMENSION output_width, JSAMPIMAGE input_buf,
+ JDIMENSION in_row_group_ctr, JSAMPARRAY output_buf,
+ JSAMPLE* range));
+EXTERN(void) jsimd_h2v2_extbgrx_merged_upsample_mips_dspr2
+ JPP((JDIMENSION output_width, JSAMPIMAGE input_buf,
+ JDIMENSION in_row_group_ctr, JSAMPARRAY output_buf,
+ JSAMPLE* range));
+EXTERN(void) jsimd_h2v2_extxbgr_merged_upsample_mips_dspr2
+ JPP((JDIMENSION output_width, JSAMPIMAGE input_buf,
+ JDIMENSION in_row_group_ctr, JSAMPARRAY output_buf,
+ JSAMPLE* range));
+EXTERN(void) jsimd_h2v2_extxrgb_merged_upsample_mips_dspr2
+ JPP((JDIMENSION output_width, JSAMPIMAGE input_buf,
+ JDIMENSION in_row_group_ctr, JSAMPARRAY output_buf,
+ JSAMPLE* range));
+EXTERN(void) jsimd_h2v1_merged_upsample_mips_dspr2
+ JPP((JDIMENSION output_width, JSAMPIMAGE input_buf,
+ JDIMENSION in_row_group_ctr, JSAMPARRAY output_buf,
+ JSAMPLE* range));
+EXTERN(void) jsimd_h2v1_extrgb_merged_upsample_mips_dspr2
+ JPP((JDIMENSION output_width, JSAMPIMAGE input_buf,
+ JDIMENSION in_row_group_ctr, JSAMPARRAY output_buf,
+ JSAMPLE* range));
+EXTERN(void) jsimd_h2v1_extrgbx_merged_upsample_mips_dspr2
+ JPP((JDIMENSION output_width, JSAMPIMAGE input_buf,
+ JDIMENSION in_row_group_ctr, JSAMPARRAY output_buf,
+ JSAMPLE* range));
+EXTERN(void) jsimd_h2v1_extbgr_merged_upsample_mips_dspr2
+ JPP((JDIMENSION output_width, JSAMPIMAGE input_buf,
+ JDIMENSION in_row_group_ctr, JSAMPARRAY output_buf,
+ JSAMPLE* range));
+EXTERN(void) jsimd_h2v1_extbgrx_merged_upsample_mips_dspr2
+ JPP((JDIMENSION output_width, JSAMPIMAGE input_buf,
+ JDIMENSION in_row_group_ctr, JSAMPARRAY output_buf,
+ JSAMPLE* range));
+EXTERN(void) jsimd_h2v1_extxbgr_merged_upsample_mips_dspr2
+ JPP((JDIMENSION output_width, JSAMPIMAGE input_buf,
+ JDIMENSION in_row_group_ctr, JSAMPARRAY output_buf,
+ JSAMPLE* range));
+EXTERN(void) jsimd_h2v1_extxrgb_merged_upsample_mips_dspr2
+ JPP((JDIMENSION output_width, JSAMPIMAGE input_buf,
+ JDIMENSION in_row_group_ctr, JSAMPARRAY output_buf,
+ JSAMPLE* range));
+
EXTERN(void) jsimd_h2v2_upsample_mips_dspr2
JPP((int max_v_samp_factor, JDIMENSION output_width,
JSAMPARRAY input_data, JSAMPARRAY * output_data_ptr));
/*
* MIPS DSPr2 optimizations for libjpeg-turbo
*
- * Copyright (C) 2013, MIPS Technologies, Inc., California.
+ * Copyright (C) 2013-2014, MIPS Technologies, Inc., California.
* All rights reserved.
* Authors: Teodora Novkovic (teodora.novkovic@imgtec.com)
* Darko Laus (darko.laus@imgtec.com)
GENERATE_JSIMD_RGB_GRAY_CONVERT_MIPS_DSPR2 extxbgr, 4, 3, 2, 1
GENERATE_JSIMD_RGB_GRAY_CONVERT_MIPS_DSPR2 extxrgb, 4, 1, 2, 3
/*****************************************************************************/
+/*
+ * jsimd_h2v2_merged_upsample_mips_dspr2
+ * jsimd_h2v2_extrgb_merged_upsample_mips_dspr2
+ * jsimd_h2v2_extrgbx_merged_upsample_mips_dspr2
+ * jsimd_h2v2_extbgr_merged_upsample_mips_dspr2
+ * jsimd_h2v2_extbgrx_merged_upsample_mips_dspr2
+ * jsimd_h2v2_extxbgr_merged_upsample_mips_dspr2
+ * jsimd_h2v2_extxrgb_merged_upsample_mips_dspr2
+ *
+ * Merged h2v2 upsample routines
+ */
+.macro GENERATE_H2V2_MERGED_UPSAMPLE_MIPS_DSPR2 colorid, \
+ pixel_size, \
+ r1_offs, \
+ g1_offs, \
+ b1_offs, \
+ a1_offs, \
+ r2_offs, \
+ g2_offs, \
+ b2_offs, \
+ a2_offs
+
+.macro STORE_H2V2_2_PIXELS scratch0 \
+ scratch1 \
+ scratch2 \
+ scratch3 \
+ scratch4 \
+ scratch5 \
+ outptr
+ sb \scratch0, \r1_offs(\outptr)
+ sb \scratch1, \g1_offs(\outptr)
+ sb \scratch2, \b1_offs(\outptr)
+ sb \scratch3, \r2_offs(\outptr)
+ sb \scratch4, \g2_offs(\outptr)
+ sb \scratch5, \b2_offs(\outptr)
+.if (\pixel_size == 8)
+ li \scratch0, 0xFF
+ sb \scratch0, \a1_offs(\outptr)
+ sb \scratch0, \a2_offs(\outptr)
+.endif
+ addiu \outptr, \pixel_size
+.endm
+
+.macro STORE_H2V2_1_PIXEL scratch0 \
+ scratch1 \
+ scratch2 \
+ outptr
+ sb \scratch0, \r1_offs(\outptr)
+ sb \scratch1, \g1_offs(\outptr)
+ sb \scratch2, \b1_offs(\outptr)
+
+.if (\pixel_size == 8)
+ li t0, 0xFF
+ sb t0, \a1_offs(\outptr)
+.endif
+.endm
+
+LEAF_MIPS_DSPR2(jsimd_h2v2_\colorid\()_merged_upsample_mips_dspr2)
+/*
+ * a0 - cinfo->output_width
+ * a1 - input_buf
+ * a2 - in_row_group_ctr
+ * a3 - output_buf
+ * 16(sp) - cinfo->sample_range_limit
+ */
+
+ SAVE_REGS_ON_STACK 40, s0, s1, s2, s3, s4, s5, s6, s7, ra
+
+ lw t9, 56(sp) // cinfo->sample_range_limit
+ lw v0, 0(a1)
+ lw v1, 4(a1)
+ lw t0, 8(a1)
+ sll t1, a2, 3
+ addiu t2, t1, 4
+ sll t3, a2, 2
+ lw t4, 0(a3) // t4 = output_buf[0]
+ lwx t1, t1(v0) // t1 = input_buf[0][in_row_group_ctr*2]
+ lwx t2, t2(v0) // t2 = input_buf[0][in_row_group_ctr*2 + 1]
+ lwx t5, t3(v1) // t5 = input_buf[1][in_row_group_ctr]
+ lwx t6, t3(t0) // t6 = input_buf[2][in_row_group_ctr]
+ lw t7, 4(a3) // t7 = output_buf[1]
+ li s1, 0xe6ea
+ addiu t8, s1, 0x7fff // t8 = 0x166e9 [FIX(1.40200)]
+ addiu s0, t8, 0x5eb9 // s0 = 0x1c5a2 [FIX(1.77200)]
+ addiu s1, zero, 0xa7e6 // s4 = 0xffffa7e6 [-FIX(0.34414)]
+ xori s2, s1, 0xeec8 // s3 = 0xffff492e [-FIX(0.71414)]
+ srl t3, a0, 1
+ blez t3, 2f
+ addu t0, t5, t3 // t0 = end address
+ 1:
+ lbu t3, 0(t5)
+ lbu s3, 0(t6)
+ addiu t5, t5, 1
+ addiu t3, t3, -128 // (cb - 128)
+ addiu s3, s3, -128 // (cr - 128)
+ mult $ac1, s1, t3
+ madd $ac1, s2, s3
+ sll s3, s3, 15
+ sll t3, t3, 15
+ mulq_rs.w s4, t8, s3 // s4 = (C1 * cr + ONE_HALF)>> SCALEBITS
+ extr_r.w s5, $ac1, 16
+ mulq_rs.w s6, s0, t3 // s6 = (C2 * cb + ONE_HALF)>> SCALEBITS
+ lbu v0, 0(t1)
+ addiu t6, t6, 1
+ addiu t1, t1, 2
+ addu t3, v0, s4 // y+cred
+ addu s3, v0, s5 // y+cgreen
+ addu v1, v0, s6 // y+cblue
+ addu t3, t9, t3 // y+cred
+ addu s3, t9, s3 // y+cgreen
+ addu v1, t9, v1 // y+cblue
+ lbu AT, 0(t3)
+ lbu s7, 0(s3)
+ lbu ra, 0(v1)
+ lbu v0, -1(t1)
+ addu t3, v0, s4 // y+cred
+ addu s3, v0, s5 // y+cgreen
+ addu v1, v0, s6 // y+cblue
+ addu t3, t9, t3 // y+cred
+ addu s3, t9, s3 // y+cgreen
+ addu v1, t9, v1 // y+cblue
+ lbu t3, 0(t3)
+ lbu s3, 0(s3)
+ lbu v1, 0(v1)
+ lbu v0, 0(t2)
+
+ STORE_H2V2_2_PIXELS AT, s7, ra, t3, s3, v1, t4
+
+ addu t3, v0, s4 // y+cred
+ addu s3, v0, s5 // y+cgreen
+ addu v1, v0, s6 // y+cblue
+ addu t3, t9, t3 // y+cred
+ addu s3, t9, s3 // y+cgreen
+ addu v1, t9, v1 // y+cblue
+ lbu AT, 0(t3)
+ lbu s7, 0(s3)
+ lbu ra, 0(v1)
+ lbu v0, 1(t2)
+ addiu t2, t2, 2
+ addu t3, v0, s4 // y+cred
+ addu s3, v0, s5 // y+cgreen
+ addu v1, v0, s6 // y+cblue
+ addu t3, t9, t3 // y+cred
+ addu s3, t9, s3 // y+cgreen
+ addu v1, t9, v1 // y+cblue
+ lbu t3, 0(t3)
+ lbu s3, 0(s3)
+ lbu v1, 0(v1)
+
+ STORE_H2V2_2_PIXELS AT, s7, ra, t3, s3, v1, t7
+
+ bne t0, t5, 1b
+ nop
+2:
+ andi t0, a0, 1
+ beqz t0, 4f
+ lbu t3, 0(t5)
+ lbu s3, 0(t6)
+ addiu t3, t3, -128 // (cb - 128)
+ addiu s3, s3, -128 // (cr - 128)
+ mult $ac1, s1, t3
+ madd $ac1, s2, s3
+ sll s3, s3, 15
+ sll t3, t3, 15
+ lbu v0, 0(t1)
+ extr_r.w s5, $ac1, 16
+ mulq_rs.w s4, t8, s3 // s4 = (C1 * cr + ONE_HALF)>> SCALEBITS
+ mulq_rs.w s6, s0, t3 // s6 = (C2 * cb + ONE_HALF)>> SCALEBITS
+ addu t3, v0, s4 // y+cred
+ addu s3, v0, s5 // y+cgreen
+ addu v1, v0, s6 // y+cblue
+ addu t3, t9, t3 // y+cred
+ addu s3, t9, s3 // y+cgreen
+ addu v1, t9, v1 // y+cblue
+ lbu t3, 0(t3)
+ lbu s3, 0(s3)
+ lbu v1, 0(v1)
+ lbu v0, 0(t2)
+
+ STORE_H2V2_1_PIXEL t3, s3, v1, t4
+
+ addu t3, v0, s4 // y+cred
+ addu s3, v0, s5 // y+cgreen
+ addu v1, v0, s6 // y+cblue
+ addu t3, t9, t3 // y+cred
+ addu s3, t9, s3 // y+cgreen
+ addu v1, t9, v1 // y+cblue
+ lbu t3, 0(t3)
+ lbu s3, 0(s3)
+ lbu v1, 0(v1)
+
+ STORE_H2V2_1_PIXEL t3, s3, v1, t7
+4:
+ RESTORE_REGS_FROM_STACK 40, s0, s1, s2, s3, s4, s5, s6, s7, ra
+
+ j ra
+ nop
+
+END(jsimd_h2v2_\colorid\()_merged_upsample_mips_dspr2)
+
+.purgem STORE_H2V2_1_PIXEL
+.purgem STORE_H2V2_2_PIXELS
+.endm
+
+/*-----------------------------------------id -- pix R1 G1 B1 A1 R2 G2 B2 A2 */
+GENERATE_H2V2_MERGED_UPSAMPLE_MIPS_DSPR2 extrgb, 6, 0, 1, 2, 6, 3, 4, 5, 6
+GENERATE_H2V2_MERGED_UPSAMPLE_MIPS_DSPR2 extbgr, 6, 2, 1, 0, 3, 5, 4, 3, 6
+GENERATE_H2V2_MERGED_UPSAMPLE_MIPS_DSPR2 extrgbx, 8, 0, 1, 2, 3, 4, 5, 6, 7
+GENERATE_H2V2_MERGED_UPSAMPLE_MIPS_DSPR2 extbgrx, 8, 2, 1, 0, 3, 6, 5, 4, 7
+GENERATE_H2V2_MERGED_UPSAMPLE_MIPS_DSPR2 extxbgr, 8, 3, 2, 1, 0, 7, 6, 5, 4
+GENERATE_H2V2_MERGED_UPSAMPLE_MIPS_DSPR2 extxrgb, 8, 1, 2, 3, 0, 5, 6, 7, 4
+/*****************************************************************************/
+/*
+ * jsimd_h2v1_merged_upsample_mips_dspr2
+ * jsimd_h2v1_extrgb_merged_upsample_mips_dspr2
+ * jsimd_h2v1_extrgbx_merged_upsample_mips_dspr2
+ * jsimd_h2v1_extbgr_merged_upsample_mips_dspr2
+ * jsimd_h2v1_extbgrx_merged_upsample_mips_dspr2
+ * jsimd_h2v1_extxbgr_merged_upsample_mips_dspr2
+ * jsimd_h2v1_extxrgb_merged_upsample_mips_dspr2
+ *
+ * Merged h2v1 upsample routines
+ */
+
+.macro GENERATE_H2V1_MERGED_UPSAMPLE_MIPS_DSPR2 colorid, \
+ pixel_size, \
+ r1_offs, \
+ g1_offs, \
+ b1_offs, \
+ a1_offs, \
+ r2_offs, \
+ g2_offs, \
+ b2_offs, \
+ a2_offs
+
+.macro STORE_H2V1_2_PIXELS scratch0 \
+ scratch1 \
+ scratch2 \
+ scratch3 \
+ scratch4 \
+ scratch5 \
+ outptr
+ sb \scratch0, \r1_offs(\outptr)
+ sb \scratch1, \g1_offs(\outptr)
+ sb \scratch2, \b1_offs(\outptr)
+ sb \scratch3, \r2_offs(\outptr)
+ sb \scratch4, \g2_offs(\outptr)
+ sb \scratch5, \b2_offs(\outptr)
+.if (\pixel_size == 8)
+ li t0, 0xFF
+ sb t0, \a1_offs(\outptr)
+ sb t0, \a2_offs(\outptr)
+.endif
+ addiu \outptr, \pixel_size
+.endm
+
+.macro STORE_H2V1_1_PIXEL scratch0 \
+ scratch1 \
+ scratch2 \
+ outptr
+ sb \scratch0, \r1_offs(\outptr)
+ sb \scratch1, \g1_offs(\outptr)
+ sb \scratch2, \b1_offs(\outptr)
+.if (\pixel_size == 8)
+ li t0, 0xFF
+ sb t0, \a1_offs(\outptr)
+.endif
+.endm
+
+LEAF_MIPS_DSPR2(jsimd_h2v1_\colorid\()_merged_upsample_mips_dspr2)
+/*
+ * a0 - cinfo->output_width
+ * a1 - input_buf
+ * a2 - in_row_group_ctr
+ * a3 - output_buf
+ * 16(sp) - range_limit
+ */
+
+ SAVE_REGS_ON_STACK 40, s0, s1, s2, s3, s4, s5, s6, s7, ra
+
+ li t0, 0xe6ea
+ lw t1, 0(a1) // t1 = input_buf[0]
+ lw t2, 4(a1) // t2 = input_buf[1]
+ lw t3, 8(a1) // t3 = input_buf[2]
+ lw t8, 56(sp) // t8 = range_limit
+ addiu s1, t0, 0x7fff // s1 = 0x166e9 [FIX(1.40200)]
+ addiu s2, s1, 0x5eb9 // s2 = 0x1c5a2 [FIX(1.77200)]
+ addiu s0, t0, 0x9916 // s0 = 0x8000
+ addiu s4, zero, 0xa7e6 // s4 = 0xffffa7e6 [-FIX(0.34414)]
+ xori s3, s4, 0xeec8 // s3 = 0xffff492e [-FIX(0.71414)]
+ srl t0, a0, 1
+ sll t4, a2, 2
+ lwx s5, t4(t1) // s5 = inptr0
+ lwx s6, t4(t2) // s6 = inptr1
+ lwx s7, t4(t3) // s7 = inptr2
+ lw t7, 0(a3) // t7 = outptr
+ blez t0, 2f
+ addu t9, s6, t0 // t9 = end address
+1:
+ lbu t2, 0(s6) // t2 = cb
+ lbu t0, 0(s7) // t0 = cr
+ lbu t1, 0(s5) // t1 = y
+ addiu t2, t2, -128 // t2 = cb - 128
+ addiu t0, t0, -128 // t0 = cr - 128
+ mult $ac1, s4, t2
+ madd $ac1, s3, t0
+ sll t0, t0, 15
+ sll t2, t2, 15
+ mulq_rs.w t0, s1, t0 // t0 = (C1*cr + ONE_HALF)>> SCALEBITS
+ extr_r.w t5, $ac1, 16
+ mulq_rs.w t6, s2, t2 // t6 = (C2*cb + ONE_HALF)>> SCALEBITS
+ addiu s7, s7, 1
+ addiu s6, s6, 1
+ addu t2, t1, t0 // t2 = y + cred
+ addu t3, t1, t5 // t3 = y + cgreen
+ addu t4, t1, t6 // t4 = y + cblue
+ addu t2, t8, t2
+ addu t3, t8, t3
+ addu t4, t8, t4
+ lbu t1, 1(s5)
+ lbu v0, 0(t2)
+ lbu v1, 0(t3)
+ lbu ra, 0(t4)
+ addu t2, t1, t0
+ addu t3, t1, t5
+ addu t4, t1, t6
+ addu t2, t8, t2
+ addu t3, t8, t3
+ addu t4, t8, t4
+ lbu t2, 0(t2)
+ lbu t3, 0(t3)
+ lbu t4, 0(t4)
+
+ STORE_H2V1_2_PIXELS v0, v1, ra, t2, t3, t4, t7
+
+ bne t9, s6, 1b
+ addiu s5, s5, 2
+2:
+ andi t0, a0, 1
+ beqz t0, 4f
+ nop
+3:
+ lbu t2, 0(s6)
+ lbu t0, 0(s7)
+ lbu t1, 0(s5)
+ addiu t2, t2, -128 //(cb - 128)
+ addiu t0, t0, -128 //(cr - 128)
+ mul t3, s4, t2
+ mul t4, s3, t0
+ sll t0, t0, 15
+ sll t2, t2, 15
+ mulq_rs.w t0, s1, t0 // (C1*cr + ONE_HALF)>> SCALEBITS
+ mulq_rs.w t6, s2, t2 // (C2*cb + ONE_HALF)>> SCALEBITS
+ addu t3, t3, s0
+ addu t3, t4, t3
+ sra t5, t3, 16 // (C4*cb + ONE_HALF + C3*cr)>> SCALEBITS
+ addu t2, t1, t0 // y + cred
+ addu t3, t1, t5 // y + cgreen
+ addu t4, t1, t6 // y + cblue
+ addu t2, t8, t2
+ addu t3, t8, t3
+ addu t4, t8, t4
+ lbu t2, 0(t2)
+ lbu t3, 0(t3)
+ lbu t4, 0(t4)
+
+ STORE_H2V1_1_PIXEL t2, t3, t4, t7
+4:
+ RESTORE_REGS_FROM_STACK 40, s0, s1, s2, s3, s4, s5, s6, s7, ra
+
+ j ra
+ nop
+
+END(jsimd_h2v1_\colorid\()_merged_upsample_mips_dspr2)
+
+.purgem STORE_H2V1_1_PIXEL
+.purgem STORE_H2V1_2_PIXELS
+.endm
+
+/*-----------------------------------------id -- pix R1 G1 B1 A1 R2 G2 B2 A2 */
+GENERATE_H2V1_MERGED_UPSAMPLE_MIPS_DSPR2 extrgb, 6, 0, 1, 2, 6, 3, 4, 5, 6
+GENERATE_H2V1_MERGED_UPSAMPLE_MIPS_DSPR2 extbgr, 6, 2, 1, 0, 3, 5, 4, 3, 6
+GENERATE_H2V1_MERGED_UPSAMPLE_MIPS_DSPR2 extrgbx, 8, 0, 1, 2, 3, 4, 5, 6, 7
+GENERATE_H2V1_MERGED_UPSAMPLE_MIPS_DSPR2 extbgrx, 8, 2, 1, 0, 3, 6, 5, 4, 7
+GENERATE_H2V1_MERGED_UPSAMPLE_MIPS_DSPR2 extxbgr, 8, 3, 2, 1, 0, 7, 6, 5, 4
+GENERATE_H2V1_MERGED_UPSAMPLE_MIPS_DSPR2 extxrgb, 8, 1, 2, 3, 0, 5, 6, 7, 4
+/*****************************************************************************/
/*
* jsimd_h2v2_fancy_upsample_mips_dspr2
*
projects / libjpeg-turbo / commitdiff