diff options
author | Tom Schouten <doelie@users.sourceforge.net> | 2003-02-05 06:05:39 +0000 |
---|---|---|
committer | Tom Schouten <doelie@users.sourceforge.net> | 2003-02-05 06:05:39 +0000 |
commit | 7da1d644ff98078ad2a78d940ec991abff440b00 (patch) | |
tree | cd5942bd3be84b57228d4d978ec4753dbdc56a89 /system | |
parent | 41faefa9874e70af29f1ad5ebc2a55f0be9a9cff (diff) |
pdp 0.8.3
svn path=/trunk/externals/pdp/; revision=382
Diffstat (limited to 'system')
-rw-r--r-- | system/mmx/Makefile | 5 | ||||
-rw-r--r-- | system/mmx/pixel_cheby_s16.s | 90 | ||||
-rw-r--r-- | system/mmx/pixel_resample_s16.s | 314 | ||||
-rw-r--r-- | system/pdp.c | 8 | ||||
-rw-r--r-- | system/pdp_control.c | 4 | ||||
-rw-r--r-- | system/pdp_imageproc_mmx.c | 235 | ||||
-rw-r--r-- | system/pdp_imageproc_portable.c | 171 | ||||
-rw-r--r-- | system/pdp_queue.c | 5 | ||||
-rw-r--r-- | system/pdp_resample.c | 8 |
9 files changed, 834 insertions, 6 deletions
diff --git a/system/mmx/Makefile b/system/mmx/Makefile index 0f8f836..51e5052 100644 --- a/system/mmx/Makefile +++ b/system/mmx/Makefile @@ -14,7 +14,9 @@ pixel_biquad_s16.o \ pixel_ca_s1.o \ pixel_rand_s16.o \ pixel_crot_s16.o \ -pixel_gain_s16.o +pixel_gain_s16.o \ +pixel_resample_s16.o \ +pixel_cheby_s16.o all: $(OBJ) @@ -27,3 +29,4 @@ clean: rm -f pdp_mmx.a rm -f pdp_mmx_test + diff --git a/system/mmx/pixel_cheby_s16.s b/system/mmx/pixel_cheby_s16.s new file mode 100644 index 0000000..2afe9e2 --- /dev/null +++ b/system/mmx/pixel_cheby_s16.s @@ -0,0 +1,90 @@ +# Pure Data Packet mmx routine. +# Copyright (c) by Tom Schouten <pdp@zzz.kotnet.org> +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +# +.globl pixel_cheby_s16_3plus +.type pixel_cheby_s16_3plus,@function + +# void pixel_cheby_s16(int *buf, int nb_8pixel_vectors, int order+1, short int *coefs) + + +# coefs are s2.13 fixed point (-4->4) +pixel_cheby_s16_3plus: + pushl %ebp + movl %esp, %ebp + push %esi + push %edi + push %edx + + movl 8(%ebp), %esi # input array + movl 12(%ebp), %ecx # vector count + movl 16(%ebp), %eax # get order+1 + + shll $3, %eax + movl 20(%ebp), %edx + addl %eax, %edx # edx = coef endx address + +# jmp skip + + .align 16 + .loop_cheby: + + movl 20(%ebp), %edi # get coefs + movq (%esi), %mm0 # load 4 pixels from memory (mm0 = x) + pcmpeqw %mm2, %mm2 + movq %mm0, %mm1 # mm1 (T_n-1) <- x + psrlw $1, %mm2 # mm2 (T_n-2) <- 1 + + + movq (%edi), %mm4 # mm4 (acc) == a0 + psraw $1, %mm4 # mm4 == a0/2 + movq %mm0, %mm5 # mm5 (intermediate) + pmulhw 8(%edi), %mm5 # mm5 == (x * a1)/2 + paddsw %mm5, %mm4 # acc = c0 + c1 x + addl $16, %edi + + .loop_cheby_inner: + movq %mm1, %mm3 # mm3 == T_n-1 + psraw $2, %mm2 # mm2 == T_n-2 / 4 + pmulhw %mm0, %mm3 # mm3 == (2 x T_n-1) / 4 + psubsw %mm2, %mm3 # mm3 == (2 x T_n-1 - T_n-2) / 4 + paddsw %mm3, %mm3 + paddsw %mm3, %mm3 # mm3 == T_n + movq %mm1, %mm2 # mm2 == new T_n-1 + movq %mm3, %mm1 # mm3 == new T_n-2 + pmulhw (%edi), %mm3 # mm3 = a_n * T_n / 2 + paddsw %mm3, %mm4 # accumulate + addl $8, %edi + cmpl %edx, %edi + jne .loop_cheby_inner + + paddsw %mm4, %mm4 # compensate for 0.125 factor + paddsw %mm4, %mm4 + paddsw %mm4, %mm4 + movq %mm4, (%esi) # store result in memory + addl $8, %esi # increment source/dest pointer + decl %ecx + jnz .loop_cheby # loop + +skip: + emms + + pop %edx + pop %edi + pop %esi + leave + ret + diff --git a/system/mmx/pixel_resample_s16.s b/system/mmx/pixel_resample_s16.s new file mode 100644 index 0000000..3959f9c --- /dev/null +++ b/system/mmx/pixel_resample_s16.s @@ -0,0 +1,314 @@ + + +#interpolation data: +#* 4 vectors: neighbourhood for samples (TL, TR, BL, BR) +#* 2 vectors: fractional part (unsigned) +#* 2 vectors: addresses of pixel blocks + +#coord conversion data: +#1 vector: 32bit splatted address +#1 vector: 16bit splatted w-1 +#1 vector: 16bit splatted h-1 +#1 vector: 16bit splatted w (reuse w-1 with add?) +#1 dword: 32 bit line offset + +#coord generation data: several vectors for parameter update stuff.. + +#coordinate systems: 16 bit virtual coordinates (signed, center relative) +#* 2 vectors: virtual coordinates +#(evt tussenstap + conversie naar 16 bit virtual) + + +#step 1: generate virtual coords + + +#step 2: virtual coords -> block adresses + fractional adresses +#* mulhigh: real coords (x,y) (center relative) +#* add center -> unsigned (top left relative) +#* mullow: fractional part (x_frac, y_frac) +#* mulhigh, mullow, pack 32bit: y_offset +#* pack 32bit: x_offset +#* add, shift, add start address: real addresses + + +#step3: data fetch using generated addresses: +# this step would be much simpler in 4x16bit rgba. life's a bitch.. + +#step4: billinear interpolation + +#stat5: store + + + + # this can be simplified by doing 32 bit unaligned moves + # and vector unpacking on the data + + + + # cooked image data structure + # pixel environment temp storage + TL1 = 0x00 + TL2 = 0x02 + TL3 = 0x04 + TL4 = 0x06 + TR1 = 0x08 + TR2 = 0x0A + TR3 = 0x0C + TR4 = 0x0E + BL1 = 0x10 + BL2 = 0x12 + BL3 = 0x14 + BL4 = 0x16 + BR1 = 0x18 + BR2 = 0x1A + BR3 = 0x1C + BR4 = 0x1E + # addresses of pixel blocks + ADDRESS1 = 0x20 + ADDRESS2 = 0x24 + ADDRESS3 = 0x28 + ADDRESS4 = 0x2C + + # second env + address buffer (testing: not used) + SECONDBUFFER = 0x30 + + # 32bit splatted bitmap address + V2PLANEADDRESS = 0x60 + # 16bit splatted image constants + V4TWOWIDTHM1 = 0x68 + V4TWOHEIGHTM1 = 0x70 + V4LINEOFFSET = 0x78 + # data struct size + RESAMPLEDATASIZE = 0x80 + + + + # interpolation routine + # input: %mm0, %mm1 4 x 16bit unsigned top left relative virtual x and y coordinates + # %esi: temp & algo data structure + +getpixelsbilin: psrlw $1, %mm0 # convert to range 0->0x7fff [0,0.5[ + psrlw $1, %mm1 + movq %mm0, %mm2 + movq %mm1, %mm3 + movq V4TWOWIDTHM1(%esi), %mm4 # 2 * (width - 1) + movq V4TWOHEIGHTM1(%esi), %mm5 # 2 * (height - 1) + pmulhw %mm5, %mm3 # mm3 == y coord (topleft relative) + pmulhw %mm4, %mm2 # mm2 == x coord (topleft relative) + pmullw %mm5, %mm1 # mm1 == y frac (unsigned) + pmullw %mm4, %mm0 # mm0 == x frac (unsigned) + + movq %mm3, %mm5 # copy y coord + pmullw V4LINEOFFSET(%esi), %mm3 # low part of line offset + pmulhw V4LINEOFFSET(%esi), %mm5 # high part of line offset + + movq %mm2, %mm7 # copy x coord vector + pxor %mm4, %mm4 + punpcklwd %mm4, %mm2 # low part in %mm2 + punpckhwd %mm4, %mm7 # hight part in %mm7 + + movq %mm3, %mm6 # copy + punpcklwd %mm5, %mm3 # unpack low part in %mm3 + punpckhwd %mm5, %mm6 # high part int %mm6 + + paddd %mm2, %mm3 + paddd %mm7, %mm6 + pslld $1, %mm3 # convert to word adresses + pslld $1, %mm6 + + paddd V2PLANEADDRESS(%esi), %mm3 # add pixel plane address + paddd V2PLANEADDRESS(%esi), %mm6 + + movq %mm3, ADDRESS1(%esi) # store adresses + movq %mm6, ADDRESS3(%esi) + + pcmpeqw %mm2, %mm2 # all ones + movq %mm0, %mm4 # copy x frac + movq %mm1, %mm5 # copy y frac + pxor %mm2, %mm4 # compute compliment (approx negative) + pxor %mm2, %mm5 + + psrlw $1, %mm0 # shift right (0.5 * (frac x) + psrlw $1, %mm1 # shift right (0.5 * (frac y) + psrlw $1, %mm4 # shift right (0.5 * (1 - frac x) + psrlw $1, %mm5 # shift right (0.5 * (1 - frac y) + + movq %mm0, %mm2 # copy of frac x + movq %mm4, %mm3 # copy of (1-frac x) + # fetch data + + #jmp skipfetch # seems the fetch is the real killer. try to optimize this + # using 32 bit accesses & shifts + + # the src image data struct is padded to the cooked data struct + movl RESAMPLEDATASIZE(%esi), %edi + shll $1, %edi + + movl ADDRESS1(%esi), %ecx + movl ADDRESS2(%esi), %edx + + movw (%ecx), %ax + movw (%edx), %bx + movw %ax, TL1(%esi) + movw %bx, TL2(%esi) + movw 2(%ecx), %ax + movw 2(%edx), %bx + movw %ax, TR1(%esi) + movw %bx, TR2(%esi) + + addl %edi, %ecx + addl %edi, %edx + + movw (%ecx), %ax + movw (%edx), %bx + movw %ax, BL1(%esi) + movw %bx, BL2(%esi) + movw 2(%ecx), %ax + movw 2(%edx), %bx + movw %ax, BR1(%esi) + movw %bx, BR2(%esi) + + + movl ADDRESS3(%esi), %ecx + movl ADDRESS4(%esi), %edx + + + movw (%ecx), %ax + movw (%edx), %bx + movw %ax, TL3(%esi) + movw %bx, TL4(%esi) + movw 2(%ecx), %ax + movw 2(%edx), %bx + movw %ax, TR3(%esi) + movw %bx, TR4(%esi) + + addl %edi, %ecx + addl %edi, %edx + + movw (%ecx), %ax + movw (%edx), %bx + movw %ax, BL3(%esi) + movw %bx, BL4(%esi) + movw 2(%ecx), %ax + movw 2(%edx), %bx + movw %ax, BR3(%esi) + movw %bx, BR4(%esi) + + +skipfetch: + pmulhw TL1(%esi), %mm4 # bilin interpolation + pmulhw TR1(%esi), %mm0 + pmulhw BL1(%esi), %mm3 + pmulhw BR1(%esi), %mm2 + + + paddw %mm4, %mm0 + paddw %mm3, %mm2 + + pmulhw %mm5, %mm0 + pmulhw %mm1, %mm2 + + paddw %mm2, %mm0 + psllw $2, %mm0 # compensate for gain reduction + + ret + + + // linear mapping data struct + ROWSTATEX = 0x0 + ROWSTATEY = 0x8 + COLSTATEX = 0x10 + COLSTATEY = 0x18 + ROWINCX = 0x20 + ROWINCY = 0x28 + COLINCX = 0x30 + COLINCY = 0x38 + + // image data struct + LINEOFFSET = 0x0 + IMAGEADDRESS = 0x4 + WIDTH = 0x8 + HEIGHT = 0xC + IMAGEDATASIZE = 0x10 + + + +# pixel_resample_linmap_s16(void *x) +.globl pixel_resample_linmap_s16 +.type pixel_resample_linmap_s16,@function + + SOURCEIMAGE = RESAMPLEDATASIZE + DESTIMAGE = SOURCEIMAGE + IMAGEDATASIZE + LINMAPDATA = DESTIMAGE + IMAGEDATASIZE + +pixel_resample_linmap_s16: + pushl %ebp + movl %esp, %ebp + pushl %esi + pushl %edi + pushl %ebx + + + movl 8(%ebp), %esi # get data struct + movl DESTIMAGE+HEIGHT(%esi), %edx # image height + movl DESTIMAGE+IMAGEADDRESS(%esi), %edi # dest image address + movl DESTIMAGE+WIDTH(%esi), %ecx # image width + shrl $2, %ecx # vector count + .align 16 + +linmap_looprow: + movq LINMAPDATA+ROWSTATEX(%esi), %mm0 # get current coordinates + movq LINMAPDATA+ROWSTATEY(%esi), %mm1 + +linmap_loopcol: + movq %mm0, %mm4 # copy + movq %mm1, %mm5 + paddd LINMAPDATA+ROWINCX(%esi), %mm4 # increment + paddd LINMAPDATA+ROWINCY(%esi), %mm5 + movq %mm4, %mm6 # copy + movq %mm5, %mm7 + paddd LINMAPDATA+ROWINCX(%esi), %mm6 # increment + paddd LINMAPDATA+ROWINCY(%esi), %mm7 + movq %mm6, LINMAPDATA+ROWSTATEX(%esi) # store next state + movq %mm7, LINMAPDATA+ROWSTATEY(%esi) + + psrad $16, %mm0 # round to 16 bit + psrad $16, %mm1 + psrad $16, %mm4 + psrad $16, %mm5 + packssdw %mm4, %mm0 # pack new coordinates + packssdw %mm5, %mm1 + + push %ecx + push %edx + push %edi + + call getpixelsbilin # do interpolation + + pop %edi + pop %edx + pop %ecx + movq %mm0, (%edi) # store 4 pixels + addl $0x8, %edi # point to next 4 pixels + decl %ecx # dec row counter + jnz linmap_looprow + + movq LINMAPDATA+COLSTATEX(%esi), %mm0 # get column state vector + movq LINMAPDATA+COLSTATEY(%esi), %mm1 + movl DESTIMAGE+WIDTH(%esi), %ecx # image width + shrl $2, %ecx # vector count + paddd LINMAPDATA+COLINCX(%esi), %mm0 # increment + paddd LINMAPDATA+COLINCY(%esi), %mm1 + movq %mm0, LINMAPDATA+COLSTATEX(%esi) # store + movq %mm1, LINMAPDATA+COLSTATEY(%esi) + decl %edx # dec column counter + jnz linmap_loopcol + + emms + popl %ebx + popl %edi + popl %esi + leave + ret + + diff --git a/system/pdp.c b/system/pdp.c index 8651971..e3c311b 100644 --- a/system/pdp.c +++ b/system/pdp.c @@ -62,6 +62,10 @@ void pdp_chrot_setup(void); void pdp_scope_setup(void); void pdp_scale_setup(void); void pdp_zoom_setup(void); +void pdp_scan_setup(void); +void pdp_sdl_setup(void); +void pdp_cheby_setup(void); + /* library setup routine */ @@ -107,6 +111,10 @@ void pdp_setup(void){ pdp_scope_setup(); pdp_scale_setup(); pdp_zoom_setup(); + pdp_scan_setup(); + pdp_sdl_setup(); + pdp_cheby_setup(); + } diff --git a/system/pdp_control.c b/system/pdp_control.c index a7ee0c7..1053f6d 100644 --- a/system/pdp_control.c +++ b/system/pdp_control.c @@ -64,11 +64,11 @@ static void pdp_control_thread(t_pdp_control *x, t_floatarg f) int t = (int)f; if (t){ - post("pdp_control: switching on processing in thread"); + post("pdp_control: pdp is now using its own processing thread"); pdp_queue_use_thread(1); } else { - post("pdp_control: switching off processing in thread"); + post("pdp_control: pdp is now using the main pd thread"); pdp_queue_use_thread(0); } } diff --git a/system/pdp_imageproc_mmx.c b/system/pdp_imageproc_mmx.c index 2f32c3f..4c347c6 100644 --- a/system/pdp_imageproc_mmx.c +++ b/system/pdp_imageproc_mmx.c @@ -21,8 +21,10 @@ /* this is a c wrapper around platform specific (mmx) code */ #include <stdlib.h> +#include <math.h> #include "pdp_mmx.h" #include "pdp_imageproc.h" +#include "m_pd.h" // utility stuff inline static s16 float2fixed(float f) @@ -317,3 +319,236 @@ void pdp_imageproc_random_process(void *x, s16 *image, u32 width, u32 height) } +/* resampling stuff + this is quite a zoo of data structures + the major point is this: the resampler mmx code is shared for all resampling code + it uses data specified in t_resample_cbrd (Cooked Bilinear Resampler Data) + + then the there are several feeder algorithms. one is the linear mapper. it's + data is specified in t_resample_clrd (Cooked Linear Remapper Data) + + for each feeder algorithm, there are several high level algorithms. like zoom, + rotate, ... +*/ + +typedef struct +{ + u32 lineoffset; + s16 *image; + u32 width; + u32 height; + +} t_resample_id; // Image Data + +/* initialize image meta data (dimensions + location) */ +static void pdp_imageproc_resample_init_id(t_resample_id *x, u32 offset, s16* image, u32 w, u32 h) +{ + x->lineoffset = offset; + x->image = image; + x->width = w; + x->height = h; +} + +// mmx resampling source image resampling data + coefs +typedef struct +{ + // vector data for resampling routine (resampling computation) + u8 reserved[0x60]; //internal data + s16 *address[2]; //64 bit splatted offset address + s16 twowidthm1[4]; //64 bit splatted 2*(width-1) + s16 twoheightm1[4]; //64 bit splatted 2*(height-1) + s16 lineoffset[4]; //64 bit splatted line offset in pixels + +} t_resample_cid; // Cooked Image Data + +/* convert image meta data into a cooked format used by the resampler routine */ +static void pdp_imageproc_resample_init_cid(t_resample_cid *r, t_resample_id *i) +{ + u32 twowm1 = (i->width-1)<<1; + u32 twohm1 = (i->height-1)<<1; + r->address[0] = i->image; + r->address[1] = i->image; + r->twowidthm1[0] = twowm1; + r->twowidthm1[1] = twowm1; + r->twowidthm1[2] = twowm1; + r->twowidthm1[3] = twowm1; + r->twoheightm1[0] = twohm1; + r->twoheightm1[1] = twohm1; + r->twoheightm1[2] = twohm1; + r->twoheightm1[3] = twohm1; + r->lineoffset[0] = i->lineoffset; + r->lineoffset[1] = i->lineoffset; + r->lineoffset[2] = i->lineoffset; + r->lineoffset[3] = i->lineoffset; +} + +// linear mapping data struct (zoom, scale, rotate, shear, ...) +typedef struct +{ + s32 rowstatex[2]; // row state x coord + s32 rowstatey[2]; // row state y coord + s32 colstatex[2]; // column state x coord + s32 colstatey[2]; // column state y coord + s32 rowincx[2]; // row inc vector x coord + s32 rowincy[2]; // row inc vector y coord + s32 colincx[2]; // column inc vector x coord + s32 colincy[2]; // column inc vector y coord +} t_resample_clmd; // Cooked Linear Mapping Data + +/* convert incremental linear remapping vectors to internal cooked format */ +static void pdp_imageproc_resample_cookedlinmap_init(t_resample_clmd *l, s32 sx, s32 sy, s32 rix, s32 riy, s32 cix, s32 ciy) +{ + l->colstatex[0] = l->rowstatex[0] = sx; + l->colstatex[1] = l->rowstatex[1] = sx + rix; + l->colstatey[0] = l->rowstatey[0] = sy; + l->colstatey[1] = l->rowstatey[1] = sy + riy; + l->rowincx[0] = rix << 1; + l->rowincx[1] = rix << 1; + l->rowincy[0] = riy << 1; + l->rowincy[1] = riy << 1; + l->colincx[0] = cix; + l->colincx[1] = cix; + l->colincy[0] = ciy; + l->colincy[1] = ciy; +} + + +/* this struct contains all the data necessary for + bilin interpolation from src -> dst image + (src can be == dst) */ +typedef struct +{ + t_resample_cid csrc; //cooked src image meta data for bilinear interpolator + t_resample_id src; //src image meta + t_resample_id dst; //dst image meta +} t_resample_cbrd; //Bilinear Resampler Data + + +/* this struct contains high level zoom parameters, + all image relative */ +typedef struct +{ + float centerx; + float centery; + float zoomx; + float zoomy; + float angle; +} t_resample_zrd; + + +/* convert floating point center and zoom data to incremental linear remapping vectors */ +static void pdp_imageproc_resample_clmd_init_from_id_zrd(t_resample_clmd *l, t_resample_id *i, t_resample_zrd *z) +{ + double izx = 1.0f / (z->zoomx); + double izy = 1.0f / (z->zoomy); + double scale = (double)0xffffffff; + double scalew = scale / ((double)(i->width - 1)); + double scaleh = scale / ((double)(i->height - 1)); + double cx = ((double)z->centerx) * ((double)(i->width - 1)); + double cy = ((double)z->centery) * ((double)(i->height - 1)); + double angle = z->angle * (-M_PI / 180.0); + double c = cos(angle); + double s = sin(angle); + + /* affine x, y mappings in screen coordinates */ + double mapx(double x, double y){return cx + izx * ( c * (x-cx) + s * (y-cy));} + double mapy(double x, double y){return cy + izy * (-s * (x-cx) + c * (y-cy));} + + u32 tl_x = (u32)(scalew * mapx(0,0)); + u32 tl_y = (u32)(scaleh * mapy(0,0)); + + + u32 row_inc_x = (u32)(scalew * (mapx(1,0)-mapx(0,0))); + u32 row_inc_y = (u32)(scaleh * (mapy(1,0)-mapy(0,0))); + u32 col_inc_x = (u32)(scalew * (mapx(0,1)-mapx(0,0))); + u32 col_inc_y = (u32)(scaleh * (mapy(0,1)-mapy(0,0))); + + + pdp_imageproc_resample_cookedlinmap_init(l, tl_x, tl_y, row_inc_x, row_inc_y, col_inc_x, col_inc_y); +} + +/* this struct contains all data for the zoom object */ +typedef struct +{ + t_resample_cbrd cbrd; // Bilinear Resampler Data + t_resample_clmd clmd; // Cooked Linear Mapping data + t_resample_zrd zrd; // Zoom / Rotate Data +} t_resample_zoom_rotate; + +// zoom + rotate +void *pdp_imageproc_resample_affinemap_new(void) +{ + t_resample_zoom_rotate *z = (t_resample_zoom_rotate *)malloc(sizeof(t_resample_zoom_rotate)); + z->zrd.centerx = 0.5; + z->zrd.centery = 0.5; + z->zrd.zoomx = 1.0; + z->zrd.zoomy = 1.0; + z->zrd.angle = 0.0f; + return (void *)z; +} +void pdp_imageproc_resample_affinemap_delete(void *x){free(x);} +void pdp_imageproc_resample_affinemap_setcenterx(void *x, float f){((t_resample_zoom_rotate *)x)->zrd.centerx = f;} +void pdp_imageproc_resample_affinemap_setcentery(void *x, float f){((t_resample_zoom_rotate *)x)->zrd.centery = f;} +void pdp_imageproc_resample_affinemap_setzoomx(void *x, float f){((t_resample_zoom_rotate *)x)->zrd.zoomx = f;} +void pdp_imageproc_resample_affinemap_setzoomy(void *x, float f){((t_resample_zoom_rotate *)x)->zrd.zoomy = f;} +void pdp_imageproc_resample_affinemap_setangle(void *x, float f){((t_resample_zoom_rotate *)x)->zrd.angle = f;} +void pdp_imageproc_resample_affinemap_process(void *x, s16 *srcimage, s16 *dstimage, u32 width, u32 height) +{ + t_resample_zoom_rotate *z = (t_resample_zoom_rotate *)x; + + /* setup resampler image meta data */ + pdp_imageproc_resample_init_id(&(z->cbrd.src), width, srcimage, width, height); + pdp_imageproc_resample_init_id(&(z->cbrd.dst), width, dstimage, width, height); + pdp_imageproc_resample_init_cid(&(z->cbrd.csrc),&(z->cbrd.src)); + + /* setup linmap data from zoom_rotate parameters */ + pdp_imageproc_resample_clmd_init_from_id_zrd(&(z->clmd), &(z->cbrd.src), &(z->zrd)); + + + /* call assembler routine */ + pixel_resample_linmap_s16(z); +} + + + +// polynomials + + +typedef struct +{ + u32 order; + u8 pad[4]; + s16 coefs[0]; +} t_cheby; + +void *pdp_imageproc_cheby_new(int order) +{ + t_cheby *z; + int i; + if (order < 2) order = 2; + z = (t_cheby *)malloc(sizeof(t_cheby) + (order + 1) * sizeof(s16[4])); + z->order = order; + setvec(z->coefs + 0*4, 0); + setvec(z->coefs + 1*4, 0.25); + for (i=2; i<=order; i++) setvec(z->coefs + i*4, 0); + + return z; +} +void pdp_imageproc_cheby_delete(void *x){free(x);} +void pdp_imageproc_cheby_setcoef(void *x, u32 n, float f) +{ + t_cheby *z = (t_cheby *)x; + if (n <= z->order){ + setvec(z->coefs + n*4, f * 0.25); // coefs are in s2.13 format + } +} +void pdp_imageproc_cheby_process(void *x, s16 *image, u32 width, u32 height, u32 iterations) +{ + t_cheby *z = (t_cheby *)x; + u32 i,j; + for (j=0; j < (height*width); j += width) + for (i=0; i<iterations; i++) + pixel_cheby_s16_3plus(image+j, width>>2, z->order+1, z->coefs); + + //pixel_cheby_s16_3plus(image, (width*height)>>2, z->order+1, z->coefs); +} diff --git a/system/pdp_imageproc_portable.c b/system/pdp_imageproc_portable.c index 60062d6..6feddd3 100644 --- a/system/pdp_imageproc_portable.c +++ b/system/pdp_imageproc_portable.c @@ -21,6 +21,7 @@ #include <stdlib.h> +#include <math.h> #include "pdp_imageproc.h" // utility stuff @@ -490,3 +491,173 @@ void pdp_imageproc_random_process(void *x, s16 *image, u32 width, u32 height) } + + +/* resampling code */ +// zoom + rotate + +/* bilinear resampling core routine */ +/* virtual coordinates are the lowest 16 bits in virt_x and virt_y*/ +static inline s32 pdp_resample_bilin(s16 *image, s32 width, s32 height, s32 virt_x, s32 virt_y) +{ + + s32 fp_x, fp_y, frac_x, frac_y, f, offset, r_1, r_2; + + //virt_x &= 0xffff; + //virt_y &= 0xffff; + + fp_x = virt_x * (width - 1); + fp_y = virt_y * (height - 1); + + frac_x = fp_x & (0xffff); + frac_y = fp_y & (0xffff); + + offset = (fp_x >> 16) + (fp_y >> 16) * width; + image += offset; + + f = 0x10000 - frac_x; + + r_1 = ((f * (s32)(image[0]) + frac_x * (s32)(image[1])))>>16; + + image += width; + + r_2 = ((f * (s32)(image[0]) + frac_x * (s32)(image[1])))>>16; + + f = 0x10000 - frac_y; + + return ((f * r_1 + frac_y * r_2)>>16); + +} + +typedef struct +{ + float centerx; + float centery; + float zoomx; + float zoomy; + float angle; +} t_affine_map; + + +void *pdp_imageproc_resample_affinemap_new(void) +{ + + t_affine_map *a = (t_affine_map *)malloc(sizeof(t_affine_map)); + a->centerx = 0.5; + a->centery = 0.5; + a->zoomx = 1.0; + a->zoomy = 1.0; + a->angle = 0.0f; + return (void *)a; +} +void pdp_imageproc_resample_affinemap_delete(void *x){free(x);} +void pdp_imageproc_resample_affinemap_setcenterx(void *x, float f){((t_affine_map *)x)->centerx = f;} +void pdp_imageproc_resample_affinemap_setcentery(void *x, float f){((t_affine_map *)x)->centery = f;} +void pdp_imageproc_resample_affinemap_setzoomx(void *x, float f){((t_affine_map *)x)->zoomx = f;} +void pdp_imageproc_resample_affinemap_setzoomy(void *x, float f){((t_affine_map *)x)->zoomy = f;} +void pdp_imageproc_resample_affinemap_setangle(void *x, float f){((t_affine_map *)x)->angle = f;} +void pdp_imageproc_resample_affinemap_process(void *x, s16 *src_image, s16 *dst_image, u32 width, u32 height) +{ + t_affine_map *a = (t_affine_map *)x; + double izx = 1.0f / (a->zoomx); + double izy = 1.0f / (a->zoomy); + double scale = (double)0xffffffff; + double scalew = scale / ((double)(width - 1)); + double scaleh = scale / ((double)(height - 1)); + double cx = ((double)a->centerx) * ((double)(width - 1)); + double cy = ((double)a->centery) * ((double)(height - 1)); + double angle = a->angle * (-M_PI / 180.0); + double c = cos(angle); + double s = sin(angle); + + /* affine x, y mappings in screen coordinates */ + double mapx(double x, double y){return cx + izx * ( c * (x-cx) + s * (y-cy));} + double mapy(double x, double y){return cy + izy * (-s * (x-cx) + c * (y-cy));} + + u32 colstate_x = (u32)(scalew * mapx(0,0)); + u32 colstate_y = (u32)(scaleh * mapy(0,0)); + u32 rowstate_x = colstate_x; + u32 rowstate_y = colstate_y; + + u32 row_inc_x = (u32)(scalew * (mapx(1,0)-mapx(0,0))); + u32 row_inc_y = (u32)(scaleh * (mapy(1,0)-mapy(0,0))); + u32 col_inc_x = (u32)(scalew * (mapx(0,1)-mapx(0,0))); + u32 col_inc_y = (u32)(scaleh * (mapy(0,1)-mapy(0,0))); + + u32 i,j; + + for (j=0; j<height; j++){ + for (i=0; i<width; i++){ + *dst_image++ = pdp_resample_bilin(src_image, width, height, rowstate_x>>16, rowstate_y>>16); + rowstate_x += row_inc_x; + rowstate_y += row_inc_y; + } + colstate_x += col_inc_x; + colstate_y += col_inc_y; + rowstate_x = colstate_x; + rowstate_y = colstate_y; + } + +} + + + + + +// polynomials + + + + +typedef struct +{ + u32 order; + s32 coefs[0]; +} t_cheby; + +void *pdp_imageproc_cheby_new(int order) +{ + t_cheby *z; + int i; + if (order < 2) order = 2; + z = (t_cheby *)malloc(sizeof(t_cheby) + (order + 1) * sizeof(s32)); + z->order = order; + z->coefs[0] = 0; + z->coefs[1] = 0x7fff; + for (i=2; i<=order; i++) z->coefs[i] = 0; + return z; +} +void pdp_imageproc_cheby_delete(void *x){free(x);} +void pdp_imageproc_cheby_setcoef(void *x, u32 n, float f) +{ + + t_cheby *z = (t_cheby *)x; + if (n <= z->order){ + z->coefs[n] = (s32)(f * 32767.0f); // coefs are in s16.15 format + } + +} +void pdp_imageproc_cheby_process(void *x, s16 *image, u32 width, u32 height, u32 iterations) +{ + + t_cheby *z = (t_cheby *)x; + u32 i,j,k; + s32 *c = z->coefs; + for (j=0; j < (height*width); j++){ + s32 acc = (s32)image[j]; + for (i=0; i<iterations; i++){ + s32 T2 = 0x7fff; /* 1 */ + s32 T1 = acc; + s32 t; + s32 in = acc; + acc = c[0] + ((in*c[1])>>15); + for (k=2; k<=z->order; k++){ + t = ((T1*in)>>14) - T2; /* T_n = 2 x T_n-1 - T_n-2 */ + T2 = T1; + T1 = t; + acc += ((c[k] * t)>>15); + } + } + image[j] = (s16)(CLAMP16(acc)); + } +} diff --git a/system/pdp_queue.c b/system/pdp_queue.c index 2932728..fe3748e 100644 --- a/system/pdp_queue.c +++ b/system/pdp_queue.c @@ -297,7 +297,7 @@ void pdp_queue_setup(void) curr = 0; q = getbytes(PDP_QUEUE_SIZE * sizeof(*q)); - /* use threads by default */ + /* enable threads */ use_thread = 1; /* setup synchro stuff */ @@ -324,6 +324,9 @@ void pdp_queue_setup(void) + /* set default disable/enable thread here */ + pdp_queue_use_thread(0); + } diff --git a/system/pdp_resample.c b/system/pdp_resample.c index 2b5a9de..12bc639 100644 --- a/system/pdp_resample.c +++ b/system/pdp_resample.c @@ -31,7 +31,10 @@ i.e. 16 bit virtual coordinates: easy modular addressing */ -s32 pdp_resample_bilin(s16 *image, s32 width, s32 height, s32 virt_x, s32 virt_y) + +/* code in this file should go out to be replaced by code in pdp_imageproc */ + +static s32 pdp_resample_bilin(s16 *image, s32 width, s32 height, s32 virt_x, s32 virt_y) { s32 fp_x, fp_y, frac_x, frac_y, f, offset, r_1, r_2; @@ -106,6 +109,7 @@ void pdp_resample_scale_nn(s16 *src_image, s16 *dst_image, s32 src_w, s32 src_h, } +/* USE pdp_resample_affinemap void pdp_resample_zoom_tiled_bilin(s16 *src_image, s16 *dst_image, s32 w, s32 h, float zoom_x, float zoom_y, float center_x_relative, float center_y_relative) { @@ -132,4 +136,4 @@ void pdp_resample_zoom_tiled_bilin(s16 *src_image, s16 *dst_image, s32 w, s32 h, } } - +*/ |