diff options
Diffstat (limited to 'distrib/sdl-1.2.15/src/video/ps3/spulibs')
| -rw-r--r-- | distrib/sdl-1.2.15/src/video/ps3/spulibs/Makefile | 83 | ||||
| -rw-r--r-- | distrib/sdl-1.2.15/src/video/ps3/spulibs/bilin_scaler.c | 2050 | ||||
| -rw-r--r-- | distrib/sdl-1.2.15/src/video/ps3/spulibs/fb_writer.c | 193 | ||||
| -rw-r--r-- | distrib/sdl-1.2.15/src/video/ps3/spulibs/spu_common.h | 108 | ||||
| -rw-r--r-- | distrib/sdl-1.2.15/src/video/ps3/spulibs/yuv2rgb_converter.c | 629 |
5 files changed, 3063 insertions, 0 deletions
diff --git a/distrib/sdl-1.2.15/src/video/ps3/spulibs/Makefile b/distrib/sdl-1.2.15/src/video/ps3/spulibs/Makefile new file mode 100644 index 0000000..dc580d9 --- /dev/null +++ b/distrib/sdl-1.2.15/src/video/ps3/spulibs/Makefile @@ -0,0 +1,83 @@ +# This Makefile is for building the CELL BE SPU libs +# libfb_writer_spu.so, libyuv2rgb_spu.so, libbilin_scaler_spu.so + +# Toolchain +SPU_GCC=/usr/bin/spu-gcc +PPU_GCC=/usr/bin/gcc +PPU_EMBEDSPU=/usr/bin/embedspu +PPU_AR=/usr/bin/ar +PPU_LD=/usr/bin/ld +INSTALL=/usr/bin/install + +SPU_CFLAGS=-W -Wall -Winline -Wno-main -I. -I /usr/spu/include -I /opt/cell/sdk/usr/spu/include -finline-limit=10000 -Winline -ftree-vectorize -funroll-loops -fmodulo-sched -ffast-math -fPIC -O2 + +# Usually /usr/lib, depending on your distribution +PREFIX=/usr/lib + + +all: libfb_writer_spu.a libfb_writer_spu.so \ + libyuv2rgb_spu.so libyuv2rgb_spu.a \ + libbilin_scaler_spu.so libbilin_scaler_spu.a + + +# fb_writer +fb_writer_spu-embed.o: fb_writer.c spu_common.h + $(SPU_GCC) $(SPU_CFLAGS) -o fb_writer_spu fb_writer.c -lm + $(PPU_EMBEDSPU) -m32 fb_writer_spu fb_writer_spu fb_writer_spu-embed.o + +libfb_writer_spu.so: fb_writer_spu-embed.o + $(PPU_LD) -o libfb_writer_spu.so -shared -soname=libfb_writer_spu.so fb_writer_spu-embed.o + +libfb_writer_spu.a: fb_writer_spu-embed.o + $(PPU_AR) -qcs libfb_writer_spu.a fb_writer_spu-embed.o + + +# yuv2rgb_converter +yuv2rgb_spu-embed.o: yuv2rgb_converter.c spu_common.h + $(SPU_GCC) $(SPU_CFLAGS) -o yuv2rgb_spu yuv2rgb_converter.c -lm + $(PPU_EMBEDSPU) -m32 yuv2rgb_spu yuv2rgb_spu yuv2rgb_spu-embed.o + +libyuv2rgb_spu.a: yuv2rgb_spu-embed.o + $(PPU_AR) -qcs libyuv2rgb_spu.a yuv2rgb_spu-embed.o + +libyuv2rgb_spu.so: yuv2rgb_spu-embed.o + $(PPU_LD) -o libyuv2rgb_spu.so -shared -soname=libyuv2rgb_spu.so yuv2rgb_spu-embed.o + + +# bilin_scaler +bilin_scaler_spu-embed.o: bilin_scaler.c spu_common.h + $(SPU_GCC) $(SPU_CFLAGS) -o bilin_scaler_spu bilin_scaler.c -lm + $(PPU_EMBEDSPU) -m32 bilin_scaler_spu bilin_scaler_spu bilin_scaler_spu-embed.o + +libbilin_scaler_spu.a: bilin_scaler_spu-embed.o + $(PPU_AR) -qcs libbilin_scaler_spu.a bilin_scaler_spu-embed.o + +libbilin_scaler_spu.so: bilin_scaler_spu-embed.o + $(PPU_LD) -o libbilin_scaler_spu.so -shared -soname=libbilin_scaler_spu.so bilin_scaler_spu-embed.o + +install: libfb_writer_spu.a libfb_writer_spu.so \ + libyuv2rgb_spu.so libyuv2rgb_spu.a \ + libbilin_scaler_spu.so libbilin_scaler_spu.a + $(INSTALL) -c -m 0755 libfb_writer_spu.so $(PREFIX)/. + $(INSTALL) -c -m 0655 libfb_writer_spu.a $(PREFIX)/. + $(INSTALL) -c -m 0755 libyuv2rgb_spu.so $(PREFIX)/. + $(INSTALL) -c -m 0655 libyuv2rgb_spu.a $(PREFIX)/. + $(INSTALL) -c -m 0755 libbilin_scaler_spu.so $(PREFIX)/. + $(INSTALL) -c -m 0655 libbilin_scaler_spu.a $(PREFIX)/. + + +uninstall: $(PREFIX)/libfb_writer_spu.so $(PREFIX)/libfb_writer_spu.a \ + $(PREFIX)/libyuv2rgb_spu.so $(PREFIX)/libyuv2rgb_spu.a \ + $(PREFIX)/libbilin_scaler_spu.so $(PREFIX)/libbilin_scaler_spu.a + rm -f $(PREFIX)/libfb_writer_spu.a + rm -f $(PREFIX)/libfb_writer_spu.so + rm -f $(PREFIX)/libyuv2rgb_spu.so + rm -f $(PREFIX)/libyuv2rgb_spu.a + rm -f $(PREFIX)/libbilin_scaler_spu.so + rm -f $(PREFIX)/libbilin_scaler_spu.a + + +clean: + rm -f bilin_scaler_spu-embed.o libbilin_scaler_spu.so libbilin_scaler_spu.a bilin_scaler_spu + rm -f yuv2rgb_spu-embed.o libyuv2rgb_spu.so libyuv2rgb_spu.a yuv2rgb_spu + rm -f fb_writer_spu-embed.o libfb_writer_spu.so libfb_writer_spu.a fb_writer_spu diff --git a/distrib/sdl-1.2.15/src/video/ps3/spulibs/bilin_scaler.c b/distrib/sdl-1.2.15/src/video/ps3/spulibs/bilin_scaler.c new file mode 100644 index 0000000..be9b5c6 --- /dev/null +++ b/distrib/sdl-1.2.15/src/video/ps3/spulibs/bilin_scaler.c @@ -0,0 +1,2050 @@ +/* + * SDL - Simple DirectMedia Layer + * CELL BE Support for PS3 Framebuffer + * Copyright (C) 2008, 2009 International Business Machines Corporation + * + * This library is free software; you can redistribute it and/or modify it + * under the terms of the GNU Lesser General Public License as published + * by the Free Software Foundation; either version 2.1 of the License, or + * (at your option) any later version. + * + * This library 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 + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 + * USA + * + * Martin Lowinski <lowinski [at] de [dot] ibm [ibm] com> + * Dirk Herrendoerfer <d.herrendoerfer [at] de [dot] ibm [dot] com> + * SPE code based on research by: + * Rene Becker + * Thimo Emmerich + */ + +#include "spu_common.h" + +#include <spu_intrinsics.h> +#include <spu_mfcio.h> + +// Debugging +//#define DEBUG + +#ifdef DEBUG +#define deprintf(fmt, args... ) \ + fprintf( stdout, fmt, ##args ); \ + fflush( stdout ); +#else +#define deprintf( fmt, args... ) +#endif + +struct scale_parms_t parms __attribute__((aligned(128))); + +/* A maximum of 8 lines Y, therefore 4 lines V, 4 lines U are stored + * there might be the need to retrieve misaligned data, adjust + * incoming v and u plane to be able to handle this (add 128) + */ +unsigned char y_plane[2][(MAX_HDTV_WIDTH+128)*4] __attribute__((aligned(128))); +unsigned char v_plane[2][(MAX_HDTV_WIDTH+128)*2] __attribute__((aligned(128))); +unsigned char u_plane[2][(MAX_HDTV_WIDTH+128)*2] __attribute__((aligned(128))); + +/* temp-buffer for scaling: 4 lines Y, therefore 2 lines V, 2 lines U */ +unsigned char scaled_y_plane[2][MAX_HDTV_WIDTH*2] __attribute__((aligned(128))); +unsigned char scaled_v_plane[2][MAX_HDTV_WIDTH/2] __attribute__((aligned(128))); +unsigned char scaled_u_plane[2][MAX_HDTV_WIDTH/2] __attribute__((aligned(128))); + +/* some vectors needed by the float to int conversion */ +static const vector float vec_255 = { 255.0f, 255.0f, 255.0f, 255.0f }; +static const vector float vec_0_1 = { 0.1f, 0.1f, 0.1f, 0.1f }; + +void bilinear_scale_line_w8(unsigned char* src, unsigned char* dst_, unsigned int dst_width, vector float vf_x_scale, vector float vf_NSweight, unsigned int src_linestride); +void bilinear_scale_line_w16(unsigned char* src, unsigned char* dst_, unsigned int dst_width, vector float vf_x_scale, vector float vf_NSweight, unsigned int src_linestride); + +void scale_srcw16_dstw16(); +void scale_srcw16_dstw32(); +void scale_srcw32_dstw16(); +void scale_srcw32_dstw32(); + +int main( unsigned long long spe_id __attribute__((unused)), unsigned long long argp ) +{ + deprintf("[SPU] bilin_scaler_spu is up... (on SPE #%llu)\n", spe_id); + /* DMA transfer for the input parameters */ + spu_mfcdma32(&parms, (unsigned int)argp, sizeof(struct scale_parms_t), TAG_INIT, MFC_GET_CMD); + DMA_WAIT_TAG(TAG_INIT); + + deprintf("[SPU] Scale %ux%u to %ux%u\n", parms.src_pixel_width, parms.src_pixel_height, + parms.dst_pixel_width, parms.dst_pixel_height); + + if(parms.src_pixel_width & 0x1f) { + if(parms.dst_pixel_width & 0x1F) { + deprintf("[SPU] Using scale_srcw16_dstw16\n"); + scale_srcw16_dstw16(); + } else { + deprintf("[SPU] Using scale_srcw16_dstw32\n"); + scale_srcw16_dstw32(); + } + } else { + if(parms.dst_pixel_width & 0x1F) { + deprintf("[SPU] Using scale_srcw32_dstw16\n"); + scale_srcw32_dstw16(); + } else { + deprintf("[SPU] Using scale_srcw32_dstw32\n"); + scale_srcw32_dstw32(); + } + } + deprintf("[SPU] bilin_scaler_spu... done!\n"); + + return 0; +} + + +/* + * vfloat_to_vuint() + * + * converts a float vector to an unsinged int vector using saturated + * arithmetic + * + * @param vec_s float vector for conversion + * @returns converted unsigned int vector + */ +inline static vector unsigned int vfloat_to_vuint(vector float vec_s) { + vector unsigned int select_1 = spu_cmpgt(vec_0_1, vec_s); + vec_s = spu_sel(vec_s, vec_0_1, select_1); + + vector unsigned int select_2 = spu_cmpgt(vec_s, vec_255); + vec_s = spu_sel(vec_s, vec_255, select_2); + return spu_convtu(vec_s,0); +} + + +/* + * scale_srcw16_dstw16() + * + * processes an input image of width 16 + * scaling is done to a width 16 + * result stored in RAM + */ +void scale_srcw16_dstw16() { + // extract parameters + unsigned char* dst_addr = (unsigned char *)parms.dstBuffer; + + unsigned int src_width = parms.src_pixel_width; + unsigned int src_height = parms.src_pixel_height; + unsigned int dst_width = parms.dst_pixel_width; + unsigned int dst_height = parms.dst_pixel_height; + + // YVU + unsigned int src_linestride_y = src_width; + unsigned int src_dbl_linestride_y = src_width<<1; + unsigned int src_linestride_vu = src_width>>1; + unsigned int src_dbl_linestride_vu = src_width; + + // scaled YVU + unsigned int scaled_src_linestride_y = dst_width; + + // ram addresses + unsigned char* src_addr_y = parms.y_plane; + unsigned char* src_addr_v = parms.v_plane; + unsigned char* src_addr_u = parms.u_plane; + + // for handling misalignment, addresses are precalculated + unsigned char* precalc_src_addr_v = src_addr_v; + unsigned char* precalc_src_addr_u = src_addr_u; + + unsigned int dst_picture_size = dst_width*dst_height; + + // Sizes for destination + unsigned int dst_dbl_linestride_y = dst_width<<1; + unsigned int dst_dbl_linestride_vu = dst_width>>1; + + // Perform address calculation for Y, V and U in main memory with dst_addr as base + unsigned char* dst_addr_main_memory_y = dst_addr; + unsigned char* dst_addr_main_memory_v = dst_addr + dst_picture_size; + unsigned char* dst_addr_main_memory_u = dst_addr_main_memory_v +(dst_picture_size>>2); + + // calculate scale factors + vector float vf_x_scale = spu_splats( (float)src_width/(float)dst_width ); + float y_scale = (float)src_height/(float)dst_height; + + // double buffered processing + // buffer switching + unsigned int curr_src_idx = 0; + unsigned int curr_dst_idx = 0; + unsigned int next_src_idx, next_dst_idx; + + // 2 lines y as output, upper and lowerline + unsigned int curr_interpl_y_upper = 0; + unsigned int next_interpl_y_upper; + unsigned int curr_interpl_y_lower, next_interpl_y_lower; + // only 1 line v/u output, both planes have the same dimension + unsigned int curr_interpl_vu = 0; + unsigned int next_interpl_vu; + + // weights, calculated in every loop iteration + vector float vf_curr_NSweight_y_upper = { 0.0f, 0.0f, 0.0f, 0.0f }; + vector float vf_next_NSweight_y_upper; + vector float vf_curr_NSweight_y_lower, vf_next_NSweight_y_lower; + vector float vf_curr_NSweight_vu = { 0.0f, 0.0f, 0.0f, 0.0f }; + vector float vf_next_NSweight_vu; + + // line indices for the src picture + float curr_src_y_upper = 0.0f, next_src_y_upper; + float curr_src_y_lower, next_src_y_lower; + float curr_src_vu = 0.0f, next_src_vu; + + // line indices for the dst picture + unsigned int dst_y=0, dst_vu=0; + + // offset for the v and u plane to handle misalignement + unsigned int curr_lsoff_v = 0, next_lsoff_v; + unsigned int curr_lsoff_u = 0, next_lsoff_u; + + // calculate lower line indices + curr_src_y_lower = ((float)curr_interpl_y_upper+1)*y_scale; + curr_interpl_y_lower = (unsigned int)curr_src_y_lower; + // lower line weight + vf_curr_NSweight_y_lower = spu_splats( curr_src_y_lower-(float)curr_interpl_y_lower ); + + + // start partially double buffered processing + // get initial data, 2 sets of y, 1 set v, 1 set u + mfc_get( y_plane[curr_src_idx], (unsigned int) src_addr_y, src_dbl_linestride_y, RETR_BUF, 0, 0 ); + mfc_get( y_plane[curr_src_idx]+src_dbl_linestride_y, + (unsigned int) src_addr_y+(curr_interpl_y_lower*src_linestride_y), + src_dbl_linestride_y, + RETR_BUF, + 0, 0 ); + mfc_get( v_plane[curr_src_idx], (unsigned int) src_addr_v, src_dbl_linestride_vu, RETR_BUF, 0, 0 ); + mfc_get( u_plane[curr_src_idx], (unsigned int) src_addr_u, src_dbl_linestride_vu, RETR_BUF, 0, 0 ); + + /* iteration loop + * within each iteration 4 lines y, 2 lines v, 2 lines u are retrieved + * the scaled output is 2 lines y, 1 line v, 1 line u + * the yuv2rgb-converted output is stored to RAM + */ + for( dst_vu=0; dst_vu<(dst_height>>1)-1; dst_vu++ ) { + dst_y = dst_vu<<1; + + // calculate next indices + next_src_vu = ((float)dst_vu+1)*y_scale; + next_src_y_upper = ((float)dst_y+2)*y_scale; + next_src_y_lower = ((float)dst_y+3)*y_scale; + + next_interpl_vu = (unsigned int) next_src_vu; + next_interpl_y_upper = (unsigned int) next_src_y_upper; + next_interpl_y_lower = (unsigned int) next_src_y_lower; + + // calculate weight NORTH-SOUTH + vf_next_NSweight_vu = spu_splats( next_src_vu-(float)next_interpl_vu ); + vf_next_NSweight_y_upper = spu_splats( next_src_y_upper-(float)next_interpl_y_upper ); + vf_next_NSweight_y_lower = spu_splats( next_src_y_lower-(float)next_interpl_y_lower ); + + // get next lines + next_src_idx = curr_src_idx^1; + next_dst_idx = curr_dst_idx^1; + + // 4 lines y + mfc_get( y_plane[next_src_idx], + (unsigned int) src_addr_y+(next_interpl_y_upper*src_linestride_y), + src_dbl_linestride_y, + RETR_BUF+next_src_idx, + 0, 0 ); + mfc_get( y_plane[next_src_idx]+src_dbl_linestride_y, + (unsigned int) src_addr_y+(next_interpl_y_lower*src_linestride_y), + src_dbl_linestride_y, + RETR_BUF+next_src_idx, + 0, 0 ); + + // 2 lines v + precalc_src_addr_v = src_addr_v+(next_interpl_vu*src_linestride_vu); + next_lsoff_v = ((unsigned int)precalc_src_addr_v)&0x0F; + mfc_get( v_plane[next_src_idx], + ((unsigned int) precalc_src_addr_v)&0xFFFFFFF0, + src_dbl_linestride_vu+(next_lsoff_v<<1), + RETR_BUF+next_src_idx, + 0, 0 ); + // 2 lines u + precalc_src_addr_u = src_addr_u+(next_interpl_vu*src_linestride_vu); + next_lsoff_u = ((unsigned int)precalc_src_addr_u)&0x0F; + mfc_get( u_plane[next_src_idx], + ((unsigned int) precalc_src_addr_u)&0xFFFFFFF0, + src_dbl_linestride_vu+(next_lsoff_v<<1), + RETR_BUF+next_src_idx, + 0, 0 ); + + DMA_WAIT_TAG( (RETR_BUF+curr_src_idx) ); + + // scaling + // work line y_upper + bilinear_scale_line_w16( y_plane[curr_src_idx], + scaled_y_plane[curr_src_idx], + dst_width, + vf_x_scale, + vf_curr_NSweight_y_upper, + src_linestride_y ); + // work line y_lower + bilinear_scale_line_w16( y_plane[curr_src_idx]+src_dbl_linestride_y, + scaled_y_plane[curr_src_idx]+scaled_src_linestride_y, + dst_width, + vf_x_scale, + vf_curr_NSweight_y_lower, + src_linestride_y ); + // work line v + bilinear_scale_line_w8( v_plane[curr_src_idx]+curr_lsoff_v, + scaled_v_plane[curr_src_idx], + dst_width>>1, + vf_x_scale, + vf_curr_NSweight_vu, + src_linestride_vu ); + // work line u + bilinear_scale_line_w8( u_plane[curr_src_idx]+curr_lsoff_u, + scaled_u_plane[curr_src_idx], + dst_width>>1, + vf_x_scale, + vf_curr_NSweight_vu, + src_linestride_vu ); + + + // Store the result back to main memory into a destination buffer in YUV format + //--------------------------------------------------------------------------------------------- + DMA_WAIT_TAG( (STR_BUF+curr_dst_idx) ); + + // Perform three DMA transfers to 3 different locations in the main memory! + // dst_width: Pixel width of destination image + // dst_addr: Destination address in main memory + // dst_vu: Counter which is incremented one by one + // dst_y: Counter which is twice larger than dst_vu (dst_y = 2*dst_vu) + mfc_put( scaled_y_plane[curr_src_idx], // What from local store (addr) + (unsigned int)dst_addr_main_memory_y + (dst_vu*dst_dbl_linestride_y), // Destination in main memory (addr) + dst_dbl_linestride_y, // Two Y lines (depending on the widht of the destination resolution) + STR_BUF+curr_dst_idx, // Tag + 0, 0 ); + + mfc_put( scaled_v_plane[curr_src_idx], // What from local store (addr) + (unsigned int)dst_addr_main_memory_v + (dst_vu*dst_dbl_linestride_vu), // Destination in main memory (addr) + dst_dbl_linestride_vu, // Two V lines (depending on the widht of the destination resolution) + STR_BUF+curr_dst_idx, // Tag + 0, 0 ); + + mfc_put( scaled_u_plane[curr_src_idx], // What from local store (addr) + (unsigned int)dst_addr_main_memory_u + (dst_vu*dst_dbl_linestride_vu), // Destination in main memory (addr) + dst_dbl_linestride_vu, // Two U lines (depending on the widht of the destination resolution) + STR_BUF+curr_dst_idx, // Tag + 0, 0 ); + //--------------------------------------------------------------------------------------------- + + + // update for next cycle + curr_src_idx = next_src_idx; + curr_dst_idx = next_dst_idx; + + curr_interpl_y_upper = next_interpl_y_upper; + curr_interpl_y_lower = next_interpl_y_lower; + curr_interpl_vu = next_interpl_vu; + + vf_curr_NSweight_y_upper = vf_curr_NSweight_y_upper; + vf_curr_NSweight_y_lower = vf_curr_NSweight_y_lower; + vf_curr_NSweight_vu = vf_next_NSweight_vu; + + curr_src_y_upper = next_src_y_upper; + curr_src_y_lower = next_src_y_lower; + curr_src_vu = next_src_vu; + + curr_lsoff_v = next_lsoff_v; + curr_lsoff_u = next_lsoff_u; + } + + + + DMA_WAIT_TAG( (RETR_BUF+curr_src_idx) ); + + // scaling + // work line y_upper + bilinear_scale_line_w16( y_plane[curr_src_idx], + scaled_y_plane[curr_src_idx], + dst_width, + vf_x_scale, + vf_curr_NSweight_y_upper, + src_linestride_y ); + // work line y_lower + bilinear_scale_line_w16( y_plane[curr_src_idx]+src_dbl_linestride_y, + scaled_y_plane[curr_src_idx]+scaled_src_linestride_y, + dst_width, + vf_x_scale, + vf_curr_NSweight_y_lower, + src_linestride_y ); + // work line v + bilinear_scale_line_w8( v_plane[curr_src_idx]+curr_lsoff_v, + scaled_v_plane[curr_src_idx], + dst_width>>1, + vf_x_scale, + vf_curr_NSweight_vu, + src_linestride_vu ); + // work line u + bilinear_scale_line_w8( u_plane[curr_src_idx]+curr_lsoff_u, + scaled_u_plane[curr_src_idx], + dst_width>>1, + vf_x_scale, + vf_curr_NSweight_vu, + src_linestride_vu ); + + + // Store the result back to main memory into a destination buffer in YUV format + //--------------------------------------------------------------------------------------------- + DMA_WAIT_TAG( (STR_BUF+curr_dst_idx) ); + + // Perform three DMA transfers to 3 different locations in the main memory! + // dst_width: Pixel width of destination image + // dst_addr: Destination address in main memory + // dst_vu: Counter which is incremented one by one + // dst_y: Counter which is twice larger than dst_vu (dst_y = 2*dst_vu) + mfc_put( scaled_y_plane[curr_src_idx], // What from local store (addr) + (unsigned int)dst_addr_main_memory_y + (dst_vu*dst_dbl_linestride_y), // Destination in main memory (addr) + dst_dbl_linestride_y, // Two Y lines (depending on the widht of the destination resolution) + STR_BUF+curr_dst_idx, // Tag + 0, 0 ); + + mfc_put( scaled_v_plane[curr_src_idx], // What from local store (addr) + (unsigned int)dst_addr_main_memory_v + (dst_vu*dst_dbl_linestride_vu), // Destination in main memory (addr) + dst_dbl_linestride_vu, // Two V lines (depending on the widht of the destination resolution) + STR_BUF+curr_dst_idx, // Tag + 0, 0 ); + + mfc_put( scaled_u_plane[curr_src_idx], // What from local store (addr) + (unsigned int)dst_addr_main_memory_u + (dst_vu*dst_dbl_linestride_vu), // Destination in main memory (addr) + dst_dbl_linestride_vu, // Two U lines (depending on the widht of the destination resolution) + STR_BUF+curr_dst_idx, // Tag + 0, 0 ); + + // wait for completion + DMA_WAIT_TAG( (STR_BUF+curr_dst_idx) ); + //--------------------------------------------------------------------------------------------- +} + + +/* + * scale_srcw16_dstw32() + * + * processes an input image of width 16 + * scaling is done to a width 32 + * yuv2rgb conversion on a width of 32 + * result stored in RAM + */ +void scale_srcw16_dstw32() { + // extract parameters + unsigned char* dst_addr = (unsigned char *)parms.dstBuffer; + + unsigned int src_width = parms.src_pixel_width; + unsigned int src_height = parms.src_pixel_height; + unsigned int dst_width = parms.dst_pixel_width; + unsigned int dst_height = parms.dst_pixel_height; + + // YVU + unsigned int src_linestride_y = src_width; + unsigned int src_dbl_linestride_y = src_width<<1; + unsigned int src_linestride_vu = src_width>>1; + unsigned int src_dbl_linestride_vu = src_width; + // scaled YVU + unsigned int scaled_src_linestride_y = dst_width; + + // ram addresses + unsigned char* src_addr_y = parms.y_plane; + unsigned char* src_addr_v = parms.v_plane; + unsigned char* src_addr_u = parms.u_plane; + + unsigned int dst_picture_size = dst_width*dst_height; + + // Sizes for destination + unsigned int dst_dbl_linestride_y = dst_width<<1; + unsigned int dst_dbl_linestride_vu = dst_width>>1; + + // Perform address calculation for Y, V and U in main memory with dst_addr as base + unsigned char* dst_addr_main_memory_y = dst_addr; + unsigned char* dst_addr_main_memory_v = dst_addr + dst_picture_size; + unsigned char* dst_addr_main_memory_u = dst_addr_main_memory_v +(dst_picture_size>>2); + + + // for handling misalignment, addresses are precalculated + unsigned char* precalc_src_addr_v = src_addr_v; + unsigned char* precalc_src_addr_u = src_addr_u; + + // calculate scale factors + vector float vf_x_scale = spu_splats( (float)src_width/(float)dst_width ); + float y_scale = (float)src_height/(float)dst_height; + + // double buffered processing + // buffer switching + unsigned int curr_src_idx = 0; + unsigned int curr_dst_idx = 0; + unsigned int next_src_idx, next_dst_idx; + + // 2 lines y as output, upper and lowerline + unsigned int curr_interpl_y_upper = 0; + unsigned int next_interpl_y_upper; + unsigned int curr_interpl_y_lower, next_interpl_y_lower; + // only 1 line v/u output, both planes have the same dimension + unsigned int curr_interpl_vu = 0; + unsigned int next_interpl_vu; + + // weights, calculated in every loop iteration + vector float vf_curr_NSweight_y_upper = { 0.0f, 0.0f, 0.0f, 0.0f }; + vector float vf_next_NSweight_y_upper; + vector float vf_curr_NSweight_y_lower, vf_next_NSweight_y_lower; + vector float vf_curr_NSweight_vu = { 0.0f, 0.0f, 0.0f, 0.0f }; + vector float vf_next_NSweight_vu; + + // line indices for the src picture + float curr_src_y_upper = 0.0f, next_src_y_upper; + float curr_src_y_lower, next_src_y_lower; + float curr_src_vu = 0.0f, next_src_vu; + + // line indices for the dst picture + unsigned int dst_y=0, dst_vu=0; + + // offset for the v and u plane to handle misalignement + unsigned int curr_lsoff_v = 0, next_lsoff_v; + unsigned int curr_lsoff_u = 0, next_lsoff_u; + + // calculate lower line idices + curr_src_y_lower = ((float)curr_interpl_y_upper+1)*y_scale; + curr_interpl_y_lower = (unsigned int)curr_src_y_lower; + // lower line weight + vf_curr_NSweight_y_lower = spu_splats( curr_src_y_lower-(float)curr_interpl_y_lower ); + + + // start partially double buffered processing + // get initial data, 2 sets of y, 1 set v, 1 set u + mfc_get( y_plane[curr_src_idx], (unsigned int) src_addr_y, src_dbl_linestride_y, RETR_BUF, 0, 0 ); + mfc_get( y_plane[curr_src_idx]+src_dbl_linestride_y, + (unsigned int) src_addr_y+(curr_interpl_y_lower*src_linestride_y), + src_dbl_linestride_y, + RETR_BUF, + 0, 0 ); + mfc_get( v_plane[curr_src_idx], (unsigned int) src_addr_v, src_dbl_linestride_vu, RETR_BUF, 0, 0 ); + mfc_get( u_plane[curr_src_idx], (unsigned int) src_addr_u, src_dbl_linestride_vu, RETR_BUF, 0, 0 ); + + // iteration loop + // within each iteration 4 lines y, 2 lines v, 2 lines u are retrieved + // the scaled output is 2 lines y, 1 line v, 1 line u + // the yuv2rgb-converted output is stored to RAM + for( dst_vu=0; dst_vu<(dst_height>>1)-1; dst_vu++ ) { + dst_y = dst_vu<<1; + + // calculate next indices + next_src_vu = ((float)dst_vu+1)*y_scale; + next_src_y_upper = ((float)dst_y+2)*y_scale; + next_src_y_lower = ((float)dst_y+3)*y_scale; + + next_interpl_vu = (unsigned int) next_src_vu; + next_interpl_y_upper = (unsigned int) next_src_y_upper; + next_interpl_y_lower = (unsigned int) next_src_y_lower; + + // calculate weight NORTH-SOUTH + vf_next_NSweight_vu = spu_splats( next_src_vu-(float)next_interpl_vu ); + vf_next_NSweight_y_upper = spu_splats( next_src_y_upper-(float)next_interpl_y_upper ); + vf_next_NSweight_y_lower = spu_splats( next_src_y_lower-(float)next_interpl_y_lower ); + + // get next lines + next_src_idx = curr_src_idx^1; + next_dst_idx = curr_dst_idx^1; + + // 4 lines y + mfc_get( y_plane[next_src_idx], + (unsigned int) src_addr_y+(next_interpl_y_upper*src_linestride_y), + src_dbl_linestride_y, + RETR_BUF+next_src_idx, + 0, 0 ); + mfc_get( y_plane[next_src_idx]+src_dbl_linestride_y, + (unsigned int) src_addr_y+(next_interpl_y_lower*src_linestride_y), + src_dbl_linestride_y, + RETR_BUF+next_src_idx, + 0, 0 ); + + // 2 lines v + precalc_src_addr_v = src_addr_v+(next_interpl_vu*src_linestride_vu); + next_lsoff_v = ((unsigned int)precalc_src_addr_v)&0x0F; + mfc_get( v_plane[next_src_idx], + ((unsigned int) precalc_src_addr_v)&0xFFFFFFF0, + src_dbl_linestride_vu+(next_lsoff_v<<1), + RETR_BUF+next_src_idx, + 0, 0 ); + // 2 lines u + precalc_src_addr_u = src_addr_u+(next_interpl_vu*src_linestride_vu); + next_lsoff_u = ((unsigned int)precalc_src_addr_u)&0x0F; + mfc_get( u_plane[next_src_idx], + ((unsigned int) precalc_src_addr_u)&0xFFFFFFF0, + src_dbl_linestride_vu+(next_lsoff_v<<1), + RETR_BUF+next_src_idx, + 0, 0 ); + + DMA_WAIT_TAG( (RETR_BUF+curr_src_idx) ); + + // scaling + // work line y_upper + bilinear_scale_line_w16( y_plane[curr_src_idx], + scaled_y_plane[curr_src_idx], + dst_width, + vf_x_scale, + vf_curr_NSweight_y_upper, + src_linestride_y ); + // work line y_lower + bilinear_scale_line_w16( y_plane[curr_src_idx]+src_dbl_linestride_y, + scaled_y_plane[curr_src_idx]+scaled_src_linestride_y, + dst_width, + vf_x_scale, + vf_curr_NSweight_y_lower, + src_linestride_y ); + // work line v + bilinear_scale_line_w8( v_plane[curr_src_idx]+curr_lsoff_v, + scaled_v_plane[curr_src_idx], + dst_width>>1, + vf_x_scale, + vf_curr_NSweight_vu, + src_linestride_vu ); + // work line u + bilinear_scale_line_w8( u_plane[curr_src_idx]+curr_lsoff_u, + scaled_u_plane[curr_src_idx], + dst_width>>1, + vf_x_scale, + vf_curr_NSweight_vu, + src_linestride_vu ); + + //--------------------------------------------------------------------------------------------- + DMA_WAIT_TAG( (STR_BUF+curr_dst_idx) ); + + // Perform three DMA transfers to 3 different locations in the main memory! + // dst_width: Pixel width of destination image + // dst_addr: Destination address in main memory + // dst_vu: Counter which is incremented one by one + // dst_y: Counter which is twice larger than dst_vu (dst_y = 2*dst_vu) + + mfc_put( scaled_y_plane[curr_src_idx], // What from local store (addr) + (unsigned int) dst_addr_main_memory_y + (dst_vu*dst_dbl_linestride_y), // Destination in main memory (addr) + dst_dbl_linestride_y, // Two Y lines (depending on the widht of the destination resolution) + STR_BUF+curr_dst_idx, // Tag + 0, 0 ); + + mfc_put( scaled_v_plane[curr_src_idx], // What from local store (addr) + (unsigned int) dst_addr_main_memory_v + (dst_vu*dst_dbl_linestride_vu), // Destination in main memory (addr) + dst_dbl_linestride_vu, // Two V lines (depending on the widht of the destination resolution) + STR_BUF+curr_dst_idx, // Tag + 0, 0 ); + + mfc_put( scaled_u_plane[curr_src_idx], // What from local store (addr) + (unsigned int) dst_addr_main_memory_u + (dst_vu*dst_dbl_linestride_vu), // Destination in main memory (addr) + dst_dbl_linestride_vu, // Two U lines (depending on the widht of the destination resolution) + STR_BUF+curr_dst_idx, // Tag + 0, 0 ); + //--------------------------------------------------------------------------------------------- + + + // update for next cycle + curr_src_idx = next_src_idx; + curr_dst_idx = next_dst_idx; + + curr_interpl_y_upper = next_interpl_y_upper; + curr_interpl_y_lower = next_interpl_y_lower; + curr_interpl_vu = next_interpl_vu; + + vf_curr_NSweight_y_upper = vf_curr_NSweight_y_upper; + vf_curr_NSweight_y_lower = vf_curr_NSweight_y_lower; + vf_curr_NSweight_vu = vf_next_NSweight_vu; + + curr_src_y_upper = next_src_y_upper; + curr_src_y_lower = next_src_y_lower; + curr_src_vu = next_src_vu; + + curr_lsoff_v = next_lsoff_v; + curr_lsoff_u = next_lsoff_u; + } + + + + DMA_WAIT_TAG( (RETR_BUF+curr_src_idx) ); + + // scaling + // work line y_upper + bilinear_scale_line_w16( y_plane[curr_src_idx], + scaled_y_plane[curr_src_idx], + dst_width, + vf_x_scale, + vf_curr_NSweight_y_upper, + src_linestride_y ); + // work line y_lower + bilinear_scale_line_w16( y_plane[curr_src_idx]+src_dbl_linestride_y, + scaled_y_plane[curr_src_idx]+scaled_src_linestride_y, + dst_width, + vf_x_scale, + vf_curr_NSweight_y_lower, + src_linestride_y ); + // work line v + bilinear_scale_line_w8( v_plane[curr_src_idx]+curr_lsoff_v, + scaled_v_plane[curr_src_idx], + dst_width>>1, + vf_x_scale, + vf_curr_NSweight_vu, + src_linestride_vu ); + // work line u + bilinear_scale_line_w8( u_plane[curr_src_idx]+curr_lsoff_u, + scaled_u_plane[curr_src_idx], + dst_width>>1, + vf_x_scale, + vf_curr_NSweight_vu, + src_linestride_vu ); + + //--------------------------------------------------------------------------------------------- + DMA_WAIT_TAG( (STR_BUF+curr_dst_idx) ); + + // Perform three DMA transfers to 3 different locations in the main memory! + // dst_width: Pixel width of destination image + // dst_addr: Destination address in main memory + // dst_vu: Counter which is incremented one by one + // dst_y: Counter which is twice larger than dst_vu (dst_y = 2*dst_vu) + + mfc_put( scaled_y_plane[curr_src_idx], // What from local store (addr) + (unsigned int) dst_addr_main_memory_y + (dst_vu*dst_dbl_linestride_y), // Destination in main memory (addr) + dst_dbl_linestride_y, // Two Y lines (depending on the widht of the destination resolution) + STR_BUF+curr_dst_idx, // Tag + 0, 0 ); + + mfc_put( scaled_v_plane[curr_src_idx], // What from local store (addr) + (unsigned int) dst_addr_main_memory_v + (dst_vu*dst_dbl_linestride_vu), // Destination in main memory (addr) + dst_dbl_linestride_vu, // Two V lines (depending on the widht of the destination resolution) + STR_BUF+curr_dst_idx, // Tag + 0, 0 ); + + mfc_put( scaled_u_plane[curr_src_idx], // What from local store (addr) + (unsigned int) dst_addr_main_memory_u + (dst_vu*dst_dbl_linestride_vu), // Destination in main memory (addr) + dst_dbl_linestride_vu, // Two U lines (depending on the widht of the destination resolution) + STR_BUF+curr_dst_idx, // Tag + 0, 0 ); + + // wait for completion + DMA_WAIT_TAG( (STR_BUF+curr_dst_idx) ); + //--------------------------------------------------------------------------------------------- +} + + +/* + * scale_srcw32_dstw16() + * + * processes an input image of width 32 + * scaling is done to a width 16 + * yuv2rgb conversion on a width of 16 + * result stored in RAM + */ +void scale_srcw32_dstw16() { + // extract parameters + unsigned char* dst_addr = (unsigned char *)parms.dstBuffer; + + unsigned int src_width = parms.src_pixel_width; + unsigned int src_height = parms.src_pixel_height; + unsigned int dst_width = parms.dst_pixel_width; + unsigned int dst_height = parms.dst_pixel_height; + + // YVU + unsigned int src_linestride_y = src_width; + unsigned int src_dbl_linestride_y = src_width<<1; + unsigned int src_linestride_vu = src_width>>1; + unsigned int src_dbl_linestride_vu = src_width; + // scaled YVU + unsigned int scaled_src_linestride_y = dst_width; + + // ram addresses + unsigned char* src_addr_y = parms.y_plane; + unsigned char* src_addr_v = parms.v_plane; + unsigned char* src_addr_u = parms.u_plane; + + unsigned int dst_picture_size = dst_width*dst_height; + + // Sizes for destination + unsigned int dst_dbl_linestride_y = dst_width<<1; + unsigned int dst_dbl_linestride_vu = dst_width>>1; + + // Perform address calculation for Y, V and U in main memory with dst_addr as base + unsigned char* dst_addr_main_memory_y = dst_addr; + unsigned char* dst_addr_main_memory_v = dst_addr + dst_picture_size; + unsigned char* dst_addr_main_memory_u = dst_addr_main_memory_v +(dst_picture_size>>2); + + // calculate scale factors + vector float vf_x_scale = spu_splats( (float)src_width/(float)dst_width ); + float y_scale = (float)src_height/(float)dst_height; + + // double buffered processing + // buffer switching + unsigned int curr_src_idx = 0; + unsigned int curr_dst_idx = 0; + unsigned int next_src_idx, next_dst_idx; + + // 2 lines y as output, upper and lowerline + unsigned int curr_interpl_y_upper = 0; + unsigned int next_interpl_y_upper; + unsigned int curr_interpl_y_lower, next_interpl_y_lower; + // only 1 line v/u output, both planes have the same dimension + unsigned int curr_interpl_vu = 0; + unsigned int next_interpl_vu; + + // weights, calculated in every loop iteration + vector float vf_curr_NSweight_y_upper = { 0.0f, 0.0f, 0.0f, 0.0f }; + vector float vf_next_NSweight_y_upper; + vector float vf_curr_NSweight_y_lower, vf_next_NSweight_y_lower; + vector float vf_curr_NSweight_vu = { 0.0f, 0.0f, 0.0f, 0.0f }; + vector float vf_next_NSweight_vu; + + // line indices for the src picture + float curr_src_y_upper = 0.0f, next_src_y_upper; + float curr_src_y_lower, next_src_y_lower; + float curr_src_vu = 0.0f, next_src_vu; + + // line indices for the dst picture + unsigned int dst_y=0, dst_vu=0; + + // calculate lower line idices + curr_src_y_lower = ((float)curr_interpl_y_upper+1)*y_scale; + curr_interpl_y_lower = (unsigned int)curr_src_y_lower; + // lower line weight + vf_curr_NSweight_y_lower = spu_splats( curr_src_y_lower-(float)curr_interpl_y_lower ); + + + // start partially double buffered processing + // get initial data, 2 sets of y, 1 set v, 1 set u + mfc_get( y_plane[curr_src_idx], (unsigned int) src_addr_y, src_dbl_linestride_y, RETR_BUF, 0, 0 ); + mfc_get( y_plane[curr_src_idx]+src_dbl_linestride_y, + (unsigned int) src_addr_y+(curr_interpl_y_lower*src_linestride_y), + src_dbl_linestride_y, + RETR_BUF, + 0, 0 ); + mfc_get( v_plane[curr_src_idx], (unsigned int) src_addr_v, src_dbl_linestride_vu, RETR_BUF, 0, 0 ); + mfc_get( u_plane[curr_src_idx], (unsigned int) src_addr_u, src_dbl_linestride_vu, RETR_BUF, 0, 0 ); + + // iteration loop + // within each iteration 4 lines y, 2 lines v, 2 lines u are retrieved + // the scaled output is 2 lines y, 1 line v, 1 line u + // the yuv2rgb-converted output is stored to RAM + for( dst_vu=0; dst_vu<(dst_height>>1)-1; dst_vu++ ) { + dst_y = dst_vu<<1; + + // calculate next indices + next_src_vu = ((float)dst_vu+1)*y_scale; + next_src_y_upper = ((float)dst_y+2)*y_scale; + next_src_y_lower = ((float)dst_y+3)*y_scale; + + next_interpl_vu = (unsigned int) next_src_vu; + next_interpl_y_upper = (unsigned int) next_src_y_upper; + next_interpl_y_lower = (unsigned int) next_src_y_lower; + + // calculate weight NORTH-SOUTH + vf_next_NSweight_vu = spu_splats( next_src_vu-(float)next_interpl_vu ); + vf_next_NSweight_y_upper = spu_splats( next_src_y_upper-(float)next_interpl_y_upper ); + vf_next_NSweight_y_lower = spu_splats( next_src_y_lower-(float)next_interpl_y_lower ); + + // get next lines + next_src_idx = curr_src_idx^1; + next_dst_idx = curr_dst_idx^1; + + // 4 lines y + mfc_get( y_plane[next_src_idx], + (unsigned int) src_addr_y+(next_interpl_y_upper*src_linestride_y), + src_dbl_linestride_y, + RETR_BUF+next_src_idx, + 0, 0 ); + mfc_get( y_plane[next_src_idx]+src_dbl_linestride_y, + (unsigned int) src_addr_y+(next_interpl_y_lower*src_linestride_y), + src_dbl_linestride_y, + RETR_BUF+next_src_idx, + 0, 0 ); + + // 2 lines v + mfc_get( v_plane[next_src_idx], + (unsigned int) src_addr_v+(next_interpl_vu*src_linestride_vu), + src_dbl_linestride_vu, + RETR_BUF+next_src_idx, + 0, 0 ); + // 2 lines u + mfc_get( u_plane[next_src_idx], + (unsigned int) src_addr_u+(next_interpl_vu*src_linestride_vu), + src_dbl_linestride_vu, + RETR_BUF+next_src_idx, + 0, 0 ); + + DMA_WAIT_TAG( (RETR_BUF+curr_src_idx) ); + + // scaling + // work line y_upper + bilinear_scale_line_w16( y_plane[curr_src_idx], + scaled_y_plane[curr_src_idx], + dst_width, + vf_x_scale, + vf_curr_NSweight_y_upper, + src_linestride_y ); + // work line y_lower + bilinear_scale_line_w16( y_plane[curr_src_idx]+src_dbl_linestride_y, + scaled_y_plane[curr_src_idx]+scaled_src_linestride_y, + dst_width, + vf_x_scale, + vf_curr_NSweight_y_lower, + src_linestride_y ); + // work line v + bilinear_scale_line_w16( v_plane[curr_src_idx], + scaled_v_plane[curr_src_idx], + dst_width>>1, + vf_x_scale, + vf_curr_NSweight_vu, + src_linestride_vu ); + // work line u + bilinear_scale_line_w16( u_plane[curr_src_idx], + scaled_u_plane[curr_src_idx], + dst_width>>1, + vf_x_scale, + vf_curr_NSweight_vu, + src_linestride_vu ); + + //--------------------------------------------------------------------------------------------- + DMA_WAIT_TAG( (STR_BUF+curr_dst_idx) ); + + // Perform three DMA transfers to 3 different locations in the main memory! + // dst_width: Pixel width of destination image + // dst_addr: Destination address in main memory + // dst_vu: Counter which is incremented one by one + // dst_y: Counter which is twice larger than dst_vu (dst_y = 2*dst_vu) + + mfc_put( scaled_y_plane[curr_src_idx], // What from local store (addr) + (unsigned int) dst_addr_main_memory_y + (dst_vu*dst_dbl_linestride_y), // Destination in main memory (addr) + dst_dbl_linestride_y, // Two Y lines (depending on the widht of the destination resolution) + STR_BUF+curr_dst_idx, // Tag + 0, 0 ); + + mfc_put( scaled_v_plane[curr_src_idx], // What from local store (addr) + (unsigned int) dst_addr_main_memory_v + (dst_vu*dst_dbl_linestride_vu), // Destination in main memory (addr) + dst_dbl_linestride_vu, // Two V lines (depending on the widht of the destination resolution) + STR_BUF+curr_dst_idx, // Tag + 0, 0 ); + + mfc_put( scaled_u_plane[curr_src_idx], // What from local store (addr) + (unsigned int) dst_addr_main_memory_u + (dst_vu*dst_dbl_linestride_vu), // Destination in main memory (addr) + dst_dbl_linestride_vu, // Two U lines (depending on the widht of the destination resolution) + STR_BUF+curr_dst_idx, // Tag + 0, 0 ); + //--------------------------------------------------------------------------------------------- + + + // update for next cycle + curr_src_idx = next_src_idx; + curr_dst_idx = next_dst_idx; + + curr_interpl_y_upper = next_interpl_y_upper; + curr_interpl_y_lower = next_interpl_y_lower; + curr_interpl_vu = next_interpl_vu; + + vf_curr_NSweight_y_upper = vf_curr_NSweight_y_upper; + vf_curr_NSweight_y_lower = vf_curr_NSweight_y_lower; + vf_curr_NSweight_vu = vf_next_NSweight_vu; + + curr_src_y_upper = next_src_y_upper; + curr_src_y_lower = next_src_y_lower; + curr_src_vu = next_src_vu; + } + + + + DMA_WAIT_TAG( (RETR_BUF+curr_src_idx) ); + + // scaling + // work line y_upper + bilinear_scale_line_w16( y_plane[curr_src_idx], + scaled_y_plane[curr_src_idx], + dst_width, + vf_x_scale, + vf_curr_NSweight_y_upper, + src_linestride_y ); + // work line y_lower + bilinear_scale_line_w16( y_plane[curr_src_idx]+src_dbl_linestride_y, + scaled_y_plane[curr_src_idx]+scaled_src_linestride_y, + dst_width, + vf_x_scale, + vf_curr_NSweight_y_lower, + src_linestride_y ); + // work line v + bilinear_scale_line_w16( v_plane[curr_src_idx], + scaled_v_plane[curr_src_idx], + dst_width>>1, + vf_x_scale, + vf_curr_NSweight_vu, + src_linestride_vu ); + // work line u + bilinear_scale_line_w16( u_plane[curr_src_idx], + scaled_u_plane[curr_src_idx], + dst_width>>1, + vf_x_scale, + vf_curr_NSweight_vu, + src_linestride_vu ); + + + //--------------------------------------------------------------------------------------------- + DMA_WAIT_TAG( (STR_BUF+curr_dst_idx) ); + + // Perform three DMA transfers to 3 different locations in the main memory! + // dst_width: Pixel width of destination image + // dst_addr: Destination address in main memory + // dst_vu: Counter which is incremented one by one + // dst_y: Counter which is twice larger than dst_vu (dst_y = 2*dst_vu) + + mfc_put( scaled_y_plane[curr_src_idx], // What from local store (addr) + (unsigned int) dst_addr_main_memory_y + (dst_vu*dst_dbl_linestride_y), // Destination in main memory (addr) + dst_dbl_linestride_y, // Two Y lines (depending on the widht of the destination resolution) + STR_BUF+curr_dst_idx, // Tag + 0, 0 ); + + mfc_put( scaled_v_plane[curr_src_idx], // What from local store (addr) + (unsigned int) dst_addr_main_memory_v + (dst_vu*dst_dbl_linestride_vu), // Destination in main memory (addr) + dst_dbl_linestride_vu, // Two V lines (depending on the widht of the destination resolution) + STR_BUF+curr_dst_idx, // Tag + 0, 0 ); + + mfc_put( scaled_u_plane[curr_src_idx], // What from local store (addr) + (unsigned int) dst_addr_main_memory_u + (dst_vu*dst_dbl_linestride_vu), // Destination in main memory (addr) + dst_dbl_linestride_vu, // Two U lines (depending on the widht of the destination resolution) + STR_BUF+curr_dst_idx, // Tag + 0, 0 ); + + // wait for completion + DMA_WAIT_TAG( (STR_BUF+curr_dst_idx) ); + //--------------------------------------------------------------------------------------------- +} + + +/** + * scale_srcw32_dstw32() + * + * processes an input image of width 32 + * scaling is done to a width 32 + * yuv2rgb conversion on a width of 32 + * result stored in RAM + */ +void scale_srcw32_dstw32() { + // extract parameters + unsigned char* dst_addr = (unsigned char *)parms.dstBuffer; + + unsigned int src_width = parms.src_pixel_width; + unsigned int src_height = parms.src_pixel_height; + unsigned int dst_width = parms.dst_pixel_width; + unsigned int dst_height = parms.dst_pixel_height; + + // YVU + unsigned int src_linestride_y = src_width; + unsigned int src_dbl_linestride_y = src_width<<1; + unsigned int src_linestride_vu = src_width>>1; + unsigned int src_dbl_linestride_vu = src_width; + + // scaled YVU + unsigned int scaled_src_linestride_y = dst_width; + + // ram addresses + unsigned char* src_addr_y = parms.y_plane; + unsigned char* src_addr_v = parms.v_plane; + unsigned char* src_addr_u = parms.u_plane; + + unsigned int dst_picture_size = dst_width*dst_height; + + // Sizes for destination + unsigned int dst_dbl_linestride_y = dst_width<<1; + unsigned int dst_dbl_linestride_vu = dst_width>>1; + + // Perform address calculation for Y, V and U in main memory with dst_addr as base + unsigned char* dst_addr_main_memory_y = dst_addr; + unsigned char* dst_addr_main_memory_v = dst_addr + dst_picture_size; + unsigned char* dst_addr_main_memory_u = dst_addr_main_memory_v +(dst_picture_size>>2); + + // calculate scale factors + vector float vf_x_scale = spu_splats( (float)src_width/(float)dst_width ); + float y_scale = (float)src_height/(float)dst_height; + + // double buffered processing + // buffer switching + unsigned int curr_src_idx = 0; + unsigned int curr_dst_idx = 0; + unsigned int next_src_idx, next_dst_idx; + + // 2 lines y as output, upper and lowerline + unsigned int curr_interpl_y_upper = 0; + unsigned int next_interpl_y_upper; + unsigned int curr_interpl_y_lower, next_interpl_y_lower; + // only 1 line v/u output, both planes have the same dimension + unsigned int curr_interpl_vu = 0; + unsigned int next_interpl_vu; + + // weights, calculated in every loop iteration + vector float vf_curr_NSweight_y_upper = { 0.0f, 0.0f, 0.0f, 0.0f }; + vector float vf_next_NSweight_y_upper; + vector float vf_curr_NSweight_y_lower, vf_next_NSweight_y_lower; + vector float vf_curr_NSweight_vu = { 0.0f, 0.0f, 0.0f, 0.0f }; + vector float vf_next_NSweight_vu; + + // line indices for the src picture + float curr_src_y_upper = 0.0f, next_src_y_upper; + float curr_src_y_lower, next_src_y_lower; + float curr_src_vu = 0.0f, next_src_vu; + + // line indices for the dst picture + unsigned int dst_y=0, dst_vu=0; + + // calculate lower line idices + curr_src_y_lower = ((float)curr_interpl_y_upper+1)*y_scale; + curr_interpl_y_lower = (unsigned int)curr_src_y_lower; + // lower line weight + vf_curr_NSweight_y_lower = spu_splats( curr_src_y_lower-(float)curr_interpl_y_lower ); + + + // start partially double buffered processing + // get initial data, 2 sets of y, 1 set v, 1 set u + mfc_get( y_plane[curr_src_idx], (unsigned int) src_addr_y, src_dbl_linestride_y, RETR_BUF, 0, 0 ); + mfc_get( y_plane[curr_src_idx]+src_dbl_linestride_y, + (unsigned int) src_addr_y+(curr_interpl_y_lower*src_linestride_y), + src_dbl_linestride_y, + RETR_BUF, + 0, 0 ); + mfc_get( v_plane[curr_src_idx], (unsigned int) src_addr_v, src_dbl_linestride_vu, RETR_BUF, 0, 0 ); + mfc_get( u_plane[curr_src_idx], (unsigned int) src_addr_u, src_dbl_linestride_vu, RETR_BUF, 0, 0 ); + + // iteration loop + // within each iteration 4 lines y, 2 lines v, 2 lines u are retrieved + // the scaled output is 2 lines y, 1 line v, 1 line u + // the yuv2rgb-converted output is stored to RAM + for( dst_vu=0; dst_vu<(dst_height>>1)-1; dst_vu++ ) { + dst_y = dst_vu<<1; + + // calculate next indices + next_src_vu = ((float)dst_vu+1)*y_scale; + next_src_y_upper = ((float)dst_y+2)*y_scale; + next_src_y_lower = ((float)dst_y+3)*y_scale; + + next_interpl_vu = (unsigned int) next_src_vu; + next_interpl_y_upper = (unsigned int) next_src_y_upper; + next_interpl_y_lower = (unsigned int) next_src_y_lower; + + // calculate weight NORTH-SOUTH + vf_next_NSweight_vu = spu_splats( next_src_vu-(float)next_interpl_vu ); + vf_next_NSweight_y_upper = spu_splats( next_src_y_upper-(float)next_interpl_y_upper ); + vf_next_NSweight_y_lower = spu_splats( next_src_y_lower-(float)next_interpl_y_lower ); + + // get next lines + next_src_idx = curr_src_idx^1; + next_dst_idx = curr_dst_idx^1; + + // 4 lines y + mfc_get( y_plane[next_src_idx], + (unsigned int) src_addr_y+(next_interpl_y_upper*src_linestride_y), + src_dbl_linestride_y, + RETR_BUF+next_src_idx, + 0, 0 ); + mfc_get( y_plane[next_src_idx]+src_dbl_linestride_y, + (unsigned int) src_addr_y+(next_interpl_y_lower*src_linestride_y), + src_dbl_linestride_y, + RETR_BUF+next_src_idx, + 0, 0 ); + + // 2 lines v + mfc_get( v_plane[next_src_idx], + (unsigned int) src_addr_v+(next_interpl_vu*src_linestride_vu), + src_dbl_linestride_vu, + RETR_BUF+next_src_idx, + 0, 0 ); + // 2 lines u + mfc_get( u_plane[next_src_idx], + (unsigned int) src_addr_u+(next_interpl_vu*src_linestride_vu), + src_dbl_linestride_vu, + RETR_BUF+next_src_idx, + 0, 0 ); + + DMA_WAIT_TAG( (RETR_BUF+curr_src_idx) ); + + // scaling + // work line y_upper + bilinear_scale_line_w16( y_plane[curr_src_idx], + scaled_y_plane[curr_src_idx], + dst_width, + vf_x_scale, + vf_curr_NSweight_y_upper, + src_linestride_y ); + // work line y_lower + bilinear_scale_line_w16( y_plane[curr_src_idx]+src_dbl_linestride_y, + scaled_y_plane[curr_src_idx]+scaled_src_linestride_y, + dst_width, + vf_x_scale, + vf_curr_NSweight_y_lower, + src_linestride_y ); + // work line v + bilinear_scale_line_w16( v_plane[curr_src_idx], + scaled_v_plane[curr_src_idx], + dst_width>>1, + vf_x_scale, + vf_curr_NSweight_vu, + src_linestride_vu ); + // work line u + bilinear_scale_line_w16( u_plane[curr_src_idx], + scaled_u_plane[curr_src_idx], + dst_width>>1, + vf_x_scale, + vf_curr_NSweight_vu, + src_linestride_vu ); + + + + // Store the result back to main memory into a destination buffer in YUV format + //--------------------------------------------------------------------------------------------- + DMA_WAIT_TAG( (STR_BUF+curr_dst_idx) ); + + // Perform three DMA transfers to 3 different locations in the main memory! + // dst_width: Pixel width of destination image + // dst_addr: Destination address in main memory + // dst_vu: Counter which is incremented one by one + // dst_y: Counter which is twice larger than dst_vu (dst_y = 2*dst_vu) + + mfc_put( scaled_y_plane[curr_src_idx], // What from local store (addr) + (unsigned int) dst_addr_main_memory_y + (dst_vu*dst_dbl_linestride_y), // Destination in main memory (addr) + dst_dbl_linestride_y, // Two Y lines (depending on the widht of the destination resolution) + STR_BUF+curr_dst_idx, // Tag + 0, 0 ); + + mfc_put( scaled_v_plane[curr_src_idx], // What from local store (addr) + (unsigned int) dst_addr_main_memory_v + (dst_vu*dst_dbl_linestride_vu), // Destination in main memory (addr) + dst_dbl_linestride_vu, // Two V lines (depending on the widht of the destination resolution) + STR_BUF+curr_dst_idx, // Tag + 0, 0 ); + + mfc_put( scaled_u_plane[curr_src_idx], // What from local store (addr) + (unsigned int) dst_addr_main_memory_u + (dst_vu*dst_dbl_linestride_vu), // Destination in main memory (addr) + dst_dbl_linestride_vu, // Two U lines (depending on the widht of the destination resolution) + STR_BUF+curr_dst_idx, // Tag + 0, 0 ); + //--------------------------------------------------------------------------------------------- + + + // update for next cycle + curr_src_idx = next_src_idx; + curr_dst_idx = next_dst_idx; + + curr_interpl_y_upper = next_interpl_y_upper; + curr_interpl_y_lower = next_interpl_y_lower; + curr_interpl_vu = next_interpl_vu; + + vf_curr_NSweight_y_upper = vf_curr_NSweight_y_upper; + vf_curr_NSweight_y_lower = vf_curr_NSweight_y_lower; + vf_curr_NSweight_vu = vf_next_NSweight_vu; + + curr_src_y_upper = next_src_y_upper; + curr_src_y_lower = next_src_y_lower; + curr_src_vu = next_src_vu; + } + + + + DMA_WAIT_TAG( (RETR_BUF+curr_src_idx) ); + + // scaling + // work line y_upper + bilinear_scale_line_w16( y_plane[curr_src_idx], + scaled_y_plane[curr_src_idx], + dst_width, + vf_x_scale, + vf_curr_NSweight_y_upper, + src_linestride_y ); + // work line y_lower + bilinear_scale_line_w16( y_plane[curr_src_idx]+src_dbl_linestride_y, + scaled_y_plane[curr_src_idx]+scaled_src_linestride_y, + dst_width, + vf_x_scale, + vf_curr_NSweight_y_lower, + src_linestride_y ); + // work line v + bilinear_scale_line_w16( v_plane[curr_src_idx], + scaled_v_plane[curr_src_idx], + dst_width>>1, + vf_x_scale, + vf_curr_NSweight_vu, + src_linestride_vu ); + // work line u + bilinear_scale_line_w16( u_plane[curr_src_idx], + scaled_u_plane[curr_src_idx], + dst_width>>1, + vf_x_scale, + vf_curr_NSweight_vu, + src_linestride_vu ); + + + // Store the result back to main memory into a destination buffer in YUV format + //--------------------------------------------------------------------------------------------- + DMA_WAIT_TAG( (STR_BUF+curr_dst_idx) ); + + // Perform three DMA transfers to 3 different locations in the main memory! + // dst_width: Pixel width of destination image + // dst_addr: Destination address in main memory + // dst_vu: Counter which is incremented one by one + // dst_y: Counter which is twice larger than dst_vu (dst_y = 2*dst_vu) + + mfc_put( scaled_y_plane[curr_src_idx], // What from local store (addr) + (unsigned int) dst_addr_main_memory_y + (dst_vu*dst_dbl_linestride_y), // Destination in main memory (addr) + dst_dbl_linestride_y, // Two Y lines (depending on the widht of the destination resolution) + STR_BUF+curr_dst_idx, // Tag + 0, 0 ); + + mfc_put( scaled_v_plane[curr_src_idx], // What from local store (addr) + (unsigned int) dst_addr_main_memory_v + (dst_vu*dst_dbl_linestride_vu), // Destination in main memory (addr) + dst_dbl_linestride_vu, // Two V lines (depending on the widht of the destination resolution) + STR_BUF+curr_dst_idx, // Tag + 0, 0 ); + + mfc_put( scaled_u_plane[curr_src_idx], // What from local store (addr) + (unsigned int) dst_addr_main_memory_u + (dst_vu*dst_dbl_linestride_vu), // Destination in main memory (addr) + dst_dbl_linestride_vu, // Two U lines (depending on the widht of the destination resolution) + STR_BUF+curr_dst_idx, // Tag + 0, 0 ); + + // wait for completion + DMA_WAIT_TAG( (STR_BUF+curr_dst_idx) ); + //--------------------------------------------------------------------------------------------- +} + + +/* + * bilinear_scale_line_w8() + * + * processes a line of yuv-input, width has to be a multiple of 8 + * scaled yuv-output is written to local store buffer + * + * @param src buffer for 2 lines input + * @param dst_ buffer for 1 line output + * @param dst_width the width of the destination line + * @param vf_x_scale a float vector, at each entry is the x_scale-factor + * @param vf_NSweight a float vector, at each position is the weight NORTH/SOUTH for the current line + * @param src_linestride the stride of the srcline + */ +void bilinear_scale_line_w8( unsigned char* src, unsigned char* dst_, unsigned int dst_width, vector float vf_x_scale, vector float vf_NSweight, unsigned int src_linestride ) { + + unsigned char* dst = dst_; + + unsigned int dst_x; + for( dst_x=0; dst_x<dst_width; dst_x+=8) { + // address calculation for loading the 4 surrounding pixel of each calculated + // destination pixel + vector unsigned int vui_dst_x_tmp = spu_splats( dst_x ); + // lower range->first 4 pixel + // upper range->next 4 pixel + vector unsigned int vui_inc_dst_x_lower_range = { 0, 1, 2, 3 }; + vector unsigned int vui_inc_dst_x_upper_range = { 4, 5, 6, 7 }; + vector unsigned int vui_dst_x_lower_range = spu_add( vui_dst_x_tmp, vui_inc_dst_x_lower_range ); + vector unsigned int vui_dst_x_upper_range = spu_add( vui_dst_x_tmp, vui_inc_dst_x_upper_range ); + + // calculate weight EAST-WEST + vector float vf_dst_x_lower_range = spu_convtf( vui_dst_x_lower_range, 0 ); + vector float vf_dst_x_upper_range = spu_convtf( vui_dst_x_upper_range, 0 ); + vector float vf_src_x_lower_range = spu_mul( vf_dst_x_lower_range, vf_x_scale ); + vector float vf_src_x_upper_range = spu_mul( vf_dst_x_upper_range, vf_x_scale ); + vector unsigned int vui_interpl_x_lower_range = spu_convtu( vf_src_x_lower_range, 0 ); + vector unsigned int vui_interpl_x_upper_range = spu_convtu( vf_src_x_upper_range, 0 ); + vector float vf_interpl_x_lower_range = spu_convtf( vui_interpl_x_lower_range, 0 ); + vector float vf_interpl_x_upper_range = spu_convtf( vui_interpl_x_upper_range, 0 ); + vector float vf_EWweight_lower_range = spu_sub( vf_src_x_lower_range, vf_interpl_x_lower_range ); + vector float vf_EWweight_upper_range = spu_sub( vf_src_x_upper_range, vf_interpl_x_upper_range ); + + // calculate address offset + // + // pixel NORTH WEST + vector unsigned int vui_off_pixelNW_lower_range = vui_interpl_x_lower_range; + vector unsigned int vui_off_pixelNW_upper_range = vui_interpl_x_upper_range; + + // pixel NORTH EAST-->(offpixelNW+1) + vector unsigned int vui_add_1 = { 1, 1, 1, 1 }; + vector unsigned int vui_off_pixelNE_lower_range = spu_add( vui_off_pixelNW_lower_range, vui_add_1 ); + vector unsigned int vui_off_pixelNE_upper_range = spu_add( vui_off_pixelNW_upper_range, vui_add_1 ); + + // SOUTH-WEST-->(offpixelNW+src_linestride) + vector unsigned int vui_srclinestride = spu_splats( src_linestride ); + vector unsigned int vui_off_pixelSW_lower_range = spu_add( vui_srclinestride, vui_off_pixelNW_lower_range ); + vector unsigned int vui_off_pixelSW_upper_range = spu_add( vui_srclinestride, vui_off_pixelNW_upper_range ); + + // SOUTH-EAST-->(offpixelNW+src_linestride+1) + vector unsigned int vui_off_pixelSE_lower_range = spu_add( vui_srclinestride, vui_off_pixelNE_lower_range ); + vector unsigned int vui_off_pixelSE_upper_range = spu_add( vui_srclinestride, vui_off_pixelNE_upper_range ); + + // calculate each address + vector unsigned int vui_src_ls = spu_splats( (unsigned int) src ); + vector unsigned int vui_addr_pixelNW_lower_range = spu_add( vui_src_ls, vui_off_pixelNW_lower_range ); + vector unsigned int vui_addr_pixelNW_upper_range = spu_add( vui_src_ls, vui_off_pixelNW_upper_range ); + vector unsigned int vui_addr_pixelNE_lower_range = spu_add( vui_src_ls, vui_off_pixelNE_lower_range ); + vector unsigned int vui_addr_pixelNE_upper_range = spu_add( vui_src_ls, vui_off_pixelNE_upper_range ); + + vector unsigned int vui_addr_pixelSW_lower_range = spu_add( vui_src_ls, vui_off_pixelSW_lower_range ); + vector unsigned int vui_addr_pixelSW_upper_range = spu_add( vui_src_ls, vui_off_pixelSW_upper_range ); + vector unsigned int vui_addr_pixelSE_lower_range = spu_add( vui_src_ls, vui_off_pixelSE_lower_range ); + vector unsigned int vui_addr_pixelSE_upper_range = spu_add( vui_src_ls, vui_off_pixelSE_upper_range ); + + // get each pixel + // + // scalar load, afterwards insertion into the right position + // NORTH WEST + vector unsigned char null_vector = {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0}; + vector unsigned char vuc_pixel_NW_lower_range = spu_insert( + *((unsigned char*) spu_extract( vui_addr_pixelNW_lower_range, 0 )), null_vector, 3 ); + vuc_pixel_NW_lower_range = spu_insert( + *((unsigned char*) spu_extract( vui_addr_pixelNW_lower_range, 1 )), + vuc_pixel_NW_lower_range, 7 ); + vuc_pixel_NW_lower_range = spu_insert( + *((unsigned char*) spu_extract( vui_addr_pixelNW_lower_range, 2 )), + vuc_pixel_NW_lower_range, 11 ); + vuc_pixel_NW_lower_range = spu_insert( + *((unsigned char*) spu_extract( vui_addr_pixelNW_lower_range, 3 )), + vuc_pixel_NW_lower_range, 15 ); + + vector unsigned char vuc_pixel_NW_upper_range = spu_insert( + *((unsigned char*) spu_extract( vui_addr_pixelNW_upper_range, 0 )), null_vector, 3 ); + vuc_pixel_NW_upper_range = spu_insert( + *((unsigned char*) spu_extract( vui_addr_pixelNW_upper_range, 1 )), + vuc_pixel_NW_upper_range, 7 ); + vuc_pixel_NW_upper_range = spu_insert( + *((unsigned char*) spu_extract( vui_addr_pixelNW_upper_range, 2 )), + vuc_pixel_NW_upper_range, 11 ); + vuc_pixel_NW_upper_range = spu_insert( + *((unsigned char*) spu_extract( vui_addr_pixelNW_upper_range, 3 )), + vuc_pixel_NW_upper_range, 15 ); + + // NORTH EAST + vector unsigned char vuc_pixel_NE_lower_range = spu_insert( + *((unsigned char*) spu_extract( vui_addr_pixelNE_lower_range, 0 )), null_vector, 3 ); + vuc_pixel_NE_lower_range = spu_insert( + *((unsigned char*) spu_extract( vui_addr_pixelNE_lower_range, 1 )), + vuc_pixel_NE_lower_range, 7 ); + vuc_pixel_NE_lower_range = spu_insert( + *((unsigned char*) spu_extract( vui_addr_pixelNE_lower_range, 2 )), + vuc_pixel_NE_lower_range, 11 ); + vuc_pixel_NE_lower_range = spu_insert( + *((unsigned char*) spu_extract( vui_addr_pixelNE_lower_range, 3 )), + vuc_pixel_NE_lower_range, 15 ); + + vector unsigned char vuc_pixel_NE_upper_range = spu_insert( + *((unsigned char*) spu_extract( vui_addr_pixelNE_upper_range, 0 )), null_vector, 3 ); + vuc_pixel_NE_upper_range = spu_insert( + *((unsigned char*) spu_extract( vui_addr_pixelNE_upper_range, 1 )), + vuc_pixel_NE_upper_range, 7 ); + vuc_pixel_NE_upper_range = spu_insert( + *((unsigned char*) spu_extract( vui_addr_pixelNE_upper_range, 2 )), + vuc_pixel_NE_upper_range, 11 ); + vuc_pixel_NE_upper_range = spu_insert( + *((unsigned char*) spu_extract( vui_addr_pixelNE_upper_range, 3 )), + vuc_pixel_NE_upper_range, 15 ); + + + // SOUTH WEST + vector unsigned char vuc_pixel_SW_lower_range = spu_insert( + *((unsigned char*) spu_extract( vui_addr_pixelSW_lower_range, 0 )), null_vector, 3 ); + vuc_pixel_SW_lower_range = spu_insert( + *((unsigned char*) spu_extract( vui_addr_pixelSW_lower_range, 1 )), + vuc_pixel_SW_lower_range, 7 ); + vuc_pixel_SW_lower_range = spu_insert( + *((unsigned char*) spu_extract( vui_addr_pixelSW_lower_range, 2 )), + vuc_pixel_SW_lower_range, 11 ); + vuc_pixel_SW_lower_range = spu_insert( + *((unsigned char*) spu_extract( vui_addr_pixelSW_lower_range, 3 )), + vuc_pixel_SW_lower_range, 15 ); + + vector unsigned char vuc_pixel_SW_upper_range = spu_insert( + *((unsigned char*) spu_extract( vui_addr_pixelSW_upper_range, 0 )), null_vector, 3 ); + vuc_pixel_SW_upper_range = spu_insert( + *((unsigned char*) spu_extract( vui_addr_pixelSW_upper_range, 1 )), + vuc_pixel_SW_upper_range, 7 ); + vuc_pixel_SW_upper_range = spu_insert( + *((unsigned char*) spu_extract( vui_addr_pixelSW_upper_range, 2 )), + vuc_pixel_SW_upper_range, 11 ); + vuc_pixel_SW_upper_range = spu_insert( + *((unsigned char*) spu_extract( vui_addr_pixelSW_upper_range, 3 )), + vuc_pixel_SW_upper_range, 15 ); + + // SOUTH EAST + vector unsigned char vuc_pixel_SE_lower_range = spu_insert( + *((unsigned char*) spu_extract( vui_addr_pixelSE_lower_range, 0 )), null_vector, 3 ); + vuc_pixel_SE_lower_range = spu_insert( + *((unsigned char*) spu_extract( vui_addr_pixelSE_lower_range, 1 )), + vuc_pixel_SE_lower_range, 7 ); + vuc_pixel_SE_lower_range = spu_insert( + *((unsigned char*) spu_extract( vui_addr_pixelSE_lower_range, 2 )), + vuc_pixel_SE_lower_range, 11 ); + vuc_pixel_SE_lower_range = spu_insert( + *((unsigned char*) spu_extract( vui_addr_pixelSE_lower_range, 3 )), + vuc_pixel_SE_lower_range, 15 ); + + vector unsigned char vuc_pixel_SE_upper_range = spu_insert( + *((unsigned char*) spu_extract( vui_addr_pixelSE_upper_range, 0 )), null_vector, 3 ); + vuc_pixel_SE_upper_range = spu_insert( + *((unsigned char*) spu_extract( vui_addr_pixelSE_upper_range, 1 )), + vuc_pixel_SE_upper_range, 7 ); + vuc_pixel_SE_upper_range = spu_insert( + *((unsigned char*) spu_extract( vui_addr_pixelSE_upper_range, 2 )), + vuc_pixel_SE_upper_range, 11 ); + vuc_pixel_SE_upper_range = spu_insert( + *((unsigned char*) spu_extract( vui_addr_pixelSE_upper_range, 3 )), + vuc_pixel_SE_upper_range, 15 ); + + + // convert to float + vector float vf_pixel_NW_lower_range = spu_convtf( (vector unsigned int) vuc_pixel_NW_lower_range, 0 ); + vector float vf_pixel_NW_upper_range = spu_convtf( (vector unsigned int) vuc_pixel_NW_upper_range, 0 ); + + vector float vf_pixel_SW_lower_range = spu_convtf( (vector unsigned int) vuc_pixel_SW_lower_range, 0 ); + vector float vf_pixel_SW_upper_range = spu_convtf( (vector unsigned int) vuc_pixel_SW_upper_range, 0 ); + + vector float vf_pixel_NE_lower_range = spu_convtf( (vector unsigned int) vuc_pixel_NE_lower_range, 0 ); + vector float vf_pixel_NE_upper_range = spu_convtf( (vector unsigned int) vuc_pixel_NE_upper_range, 0 ); + + vector float vf_pixel_SE_lower_range = spu_convtf( (vector unsigned int) vuc_pixel_SE_lower_range, 0 ); + vector float vf_pixel_SE_upper_range = spu_convtf( (vector unsigned int) vuc_pixel_SE_upper_range, 0 ); + + + + // first linear interpolation: EWtop + // EWtop = NW + EWweight*(NE-NW) + // + // lower range + vector float vf_EWtop_lower_range_tmp = spu_sub( vf_pixel_NE_lower_range, vf_pixel_NW_lower_range ); + vector float vf_EWtop_lower_range = spu_madd( vf_EWweight_lower_range, + vf_EWtop_lower_range_tmp, + vf_pixel_NW_lower_range ); + + // upper range + vector float vf_EWtop_upper_range_tmp = spu_sub( vf_pixel_NE_upper_range, vf_pixel_NW_upper_range ); + vector float vf_EWtop_upper_range = spu_madd( vf_EWweight_upper_range, + vf_EWtop_upper_range_tmp, + vf_pixel_NW_upper_range ); + + + + // second linear interpolation: EWbottom + // EWbottom = SW + EWweight*(SE-SW) + // + // lower range + vector float vf_EWbottom_lower_range_tmp = spu_sub( vf_pixel_SE_lower_range, vf_pixel_SW_lower_range ); + vector float vf_EWbottom_lower_range = spu_madd( vf_EWweight_lower_range, + vf_EWbottom_lower_range_tmp, + vf_pixel_SW_lower_range ); + + // upper range + vector float vf_EWbottom_upper_range_tmp = spu_sub( vf_pixel_SE_upper_range, vf_pixel_SW_upper_range ); + vector float vf_EWbottom_upper_range = spu_madd( vf_EWweight_upper_range, + vf_EWbottom_upper_range_tmp, + vf_pixel_SW_upper_range ); + + + + // third linear interpolation: the bilinear interpolated value + // result = EWtop + NSweight*(EWbottom-EWtop); + // + // lower range + vector float vf_result_lower_range_tmp = spu_sub( vf_EWbottom_lower_range, vf_EWtop_lower_range ); + vector float vf_result_lower_range = spu_madd( vf_NSweight, + vf_result_lower_range_tmp, + vf_EWtop_lower_range ); + + // upper range + vector float vf_result_upper_range_tmp = spu_sub( vf_EWbottom_upper_range, vf_EWtop_upper_range ); + vector float vf_result_upper_range = spu_madd( vf_NSweight, + vf_result_upper_range_tmp, + vf_EWtop_upper_range ); + + + // convert back: using saturated arithmetic + vector unsigned int vui_result_lower_range = vfloat_to_vuint( vf_result_lower_range ); + vector unsigned int vui_result_upper_range = vfloat_to_vuint( vf_result_upper_range ); + + // merge results->lower,upper + vector unsigned char vuc_mask_merge_result = { 0x03, 0x07, 0x0B, 0x0F, + 0x13, 0x17, 0x1B, 0x1F, + 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00 }; + + vector unsigned char vuc_result = spu_shuffle( (vector unsigned char) vui_result_lower_range, + (vector unsigned char) vui_result_upper_range, + vuc_mask_merge_result ); + + // partial storing + vector unsigned char vuc_mask_out = { 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, + 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF }; + + + // get currently stored data + vector unsigned char vuc_orig = *((vector unsigned char*)dst); + + // clear currently stored data + vuc_orig = spu_and( vuc_orig, + spu_rlqwbyte( vuc_mask_out, ((unsigned int)dst)&0x0F) ); + + // rotate result according to storing address + vuc_result = spu_rlqwbyte( vuc_result, ((unsigned int)dst)&0x0F ); + + // store result + *((vector unsigned char*)dst) = spu_or( vuc_result, + vuc_orig ); + dst += 8; + } +} + + +/* + * bilinear_scale_line_w16() + * + * processes a line of yuv-input, width has to be a multiple of 16 + * scaled yuv-output is written to local store buffer + * + * @param src buffer for 2 lines input + * @param dst_ buffer for 1 line output + * @param dst_width the width of the destination line + * @param vf_x_scale a float vector, at each entry is the x_scale-factor + * @param vf_NSweight a float vector, at each position is the weight NORTH/SOUTH for the current line + * @param src_linestride the stride of the srcline + */ +void bilinear_scale_line_w16( unsigned char* src, unsigned char* dst_, unsigned int dst_width, vector float vf_x_scale, vector float vf_NSweight, unsigned int src_linestride ) { + + unsigned char* dst = dst_; + + unsigned int dst_x; + for( dst_x=0; dst_x<dst_width; dst_x+=16) { + // address calculation for loading the 4 surrounding pixel of each calculated + // destination pixel + vector unsigned int vui_dst_x_tmp = spu_splats( dst_x ); + // parallelised processing + // first range->pixel 1 2 3 4 + // second range->pixel 5 6 7 8 + // third range->pixel 9 10 11 12 + // fourth range->pixel 13 14 15 16 + vector unsigned int vui_inc_dst_x_first_range = { 0, 1, 2, 3 }; + vector unsigned int vui_inc_dst_x_second_range = { 4, 5, 6, 7 }; + vector unsigned int vui_inc_dst_x_third_range = { 8, 9, 10, 11 }; + vector unsigned int vui_inc_dst_x_fourth_range = { 12, 13, 14, 15 }; + vector unsigned int vui_dst_x_first_range = spu_add( vui_dst_x_tmp, vui_inc_dst_x_first_range ); + vector unsigned int vui_dst_x_second_range = spu_add( vui_dst_x_tmp, vui_inc_dst_x_second_range ); + vector unsigned int vui_dst_x_third_range = spu_add( vui_dst_x_tmp, vui_inc_dst_x_third_range ); + vector unsigned int vui_dst_x_fourth_range = spu_add( vui_dst_x_tmp, vui_inc_dst_x_fourth_range ); + + // calculate weight EAST-WEST + vector float vf_dst_x_first_range = spu_convtf( vui_dst_x_first_range, 0 ); + vector float vf_dst_x_second_range = spu_convtf( vui_dst_x_second_range, 0 ); + vector float vf_dst_x_third_range = spu_convtf( vui_dst_x_third_range, 0 ); + vector float vf_dst_x_fourth_range = spu_convtf( vui_dst_x_fourth_range, 0 ); + vector float vf_src_x_first_range = spu_mul( vf_dst_x_first_range, vf_x_scale ); + vector float vf_src_x_second_range = spu_mul( vf_dst_x_second_range, vf_x_scale ); + vector float vf_src_x_third_range = spu_mul( vf_dst_x_third_range, vf_x_scale ); + vector float vf_src_x_fourth_range = spu_mul( vf_dst_x_fourth_range, vf_x_scale ); + vector unsigned int vui_interpl_x_first_range = spu_convtu( vf_src_x_first_range, 0 ); + vector unsigned int vui_interpl_x_second_range = spu_convtu( vf_src_x_second_range, 0 ); + vector unsigned int vui_interpl_x_third_range = spu_convtu( vf_src_x_third_range, 0 ); + vector unsigned int vui_interpl_x_fourth_range = spu_convtu( vf_src_x_fourth_range, 0 ); + vector float vf_interpl_x_first_range = spu_convtf( vui_interpl_x_first_range, 0 ); + vector float vf_interpl_x_second_range = spu_convtf( vui_interpl_x_second_range, 0 ); + vector float vf_interpl_x_third_range = spu_convtf( vui_interpl_x_third_range, 0 ); + vector float vf_interpl_x_fourth_range = spu_convtf( vui_interpl_x_fourth_range, 0 ); + vector float vf_EWweight_first_range = spu_sub( vf_src_x_first_range, vf_interpl_x_first_range ); + vector float vf_EWweight_second_range = spu_sub( vf_src_x_second_range, vf_interpl_x_second_range ); + vector float vf_EWweight_third_range = spu_sub( vf_src_x_third_range, vf_interpl_x_third_range ); + vector float vf_EWweight_fourth_range = spu_sub( vf_src_x_fourth_range, vf_interpl_x_fourth_range ); + + // calculate address offset + // + // pixel NORTH WEST + vector unsigned int vui_off_pixelNW_first_range = vui_interpl_x_first_range; + vector unsigned int vui_off_pixelNW_second_range = vui_interpl_x_second_range; + vector unsigned int vui_off_pixelNW_third_range = vui_interpl_x_third_range; + vector unsigned int vui_off_pixelNW_fourth_range = vui_interpl_x_fourth_range; + + // pixel NORTH EAST-->(offpixelNW+1) + vector unsigned int vui_add_1 = { 1, 1, 1, 1 }; + vector unsigned int vui_off_pixelNE_first_range = spu_add( vui_off_pixelNW_first_range, vui_add_1 ); + vector unsigned int vui_off_pixelNE_second_range = spu_add( vui_off_pixelNW_second_range, vui_add_1 ); + vector unsigned int vui_off_pixelNE_third_range = spu_add( vui_off_pixelNW_third_range, vui_add_1 ); + vector unsigned int vui_off_pixelNE_fourth_range = spu_add( vui_off_pixelNW_fourth_range, vui_add_1 ); + + // SOUTH-WEST-->(offpixelNW+src_linestride) + vector unsigned int vui_srclinestride = spu_splats( src_linestride ); + vector unsigned int vui_off_pixelSW_first_range = spu_add( vui_srclinestride, vui_off_pixelNW_first_range ); + vector unsigned int vui_off_pixelSW_second_range = spu_add( vui_srclinestride, vui_off_pixelNW_second_range ); + vector unsigned int vui_off_pixelSW_third_range = spu_add( vui_srclinestride, vui_off_pixelNW_third_range ); + vector unsigned int vui_off_pixelSW_fourth_range = spu_add( vui_srclinestride, vui_off_pixelNW_fourth_range ); + + // SOUTH-EAST-->(offpixelNW+src_linestride+1) + vector unsigned int vui_off_pixelSE_first_range = spu_add( vui_srclinestride, vui_off_pixelNE_first_range ); + vector unsigned int vui_off_pixelSE_second_range = spu_add( vui_srclinestride, vui_off_pixelNE_second_range ); + vector unsigned int vui_off_pixelSE_third_range = spu_add( vui_srclinestride, vui_off_pixelNE_third_range ); + vector unsigned int vui_off_pixelSE_fourth_range = spu_add( vui_srclinestride, vui_off_pixelNE_fourth_range ); + + // calculate each address + vector unsigned int vui_src_ls = spu_splats( (unsigned int) src ); + vector unsigned int vui_addr_pixelNW_first_range = spu_add( vui_src_ls, vui_off_pixelNW_first_range ); + vector unsigned int vui_addr_pixelNW_second_range = spu_add( vui_src_ls, vui_off_pixelNW_second_range ); + vector unsigned int vui_addr_pixelNW_third_range = spu_add( vui_src_ls, vui_off_pixelNW_third_range ); + vector unsigned int vui_addr_pixelNW_fourth_range = spu_add( vui_src_ls, vui_off_pixelNW_fourth_range ); + + vector unsigned int vui_addr_pixelNE_first_range = spu_add( vui_src_ls, vui_off_pixelNE_first_range ); + vector unsigned int vui_addr_pixelNE_second_range = spu_add( vui_src_ls, vui_off_pixelNE_second_range ); + vector unsigned int vui_addr_pixelNE_third_range = spu_add( vui_src_ls, vui_off_pixelNE_third_range ); + vector unsigned int vui_addr_pixelNE_fourth_range = spu_add( vui_src_ls, vui_off_pixelNE_fourth_range ); + + vector unsigned int vui_addr_pixelSW_first_range = spu_add( vui_src_ls, vui_off_pixelSW_first_range ); + vector unsigned int vui_addr_pixelSW_second_range = spu_add( vui_src_ls, vui_off_pixelSW_second_range ); + vector unsigned int vui_addr_pixelSW_third_range = spu_add( vui_src_ls, vui_off_pixelSW_third_range ); + vector unsigned int vui_addr_pixelSW_fourth_range = spu_add( vui_src_ls, vui_off_pixelSW_fourth_range ); + + vector unsigned int vui_addr_pixelSE_first_range = spu_add( vui_src_ls, vui_off_pixelSE_first_range ); + vector unsigned int vui_addr_pixelSE_second_range = spu_add( vui_src_ls, vui_off_pixelSE_second_range ); + vector unsigned int vui_addr_pixelSE_third_range = spu_add( vui_src_ls, vui_off_pixelSE_third_range ); + vector unsigned int vui_addr_pixelSE_fourth_range = spu_add( vui_src_ls, vui_off_pixelSE_fourth_range ); + + + // get each pixel + // + // scalar load, afterwards insertion into the right position + // NORTH WEST + // first range + vector unsigned char null_vector = {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0}; + vector unsigned char vuc_pixel_NW_first_range = spu_insert( + *((unsigned char*) spu_extract( vui_addr_pixelNW_first_range, 0 )), null_vector, 3 ); + vuc_pixel_NW_first_range = spu_insert( + *((unsigned char*) spu_extract( vui_addr_pixelNW_first_range, 1 )), + vuc_pixel_NW_first_range, 7 ); + vuc_pixel_NW_first_range = spu_insert( + *((unsigned char*) spu_extract( vui_addr_pixelNW_first_range, 2 )), + vuc_pixel_NW_first_range, 11 ); + vuc_pixel_NW_first_range = spu_insert( + *((unsigned char*) spu_extract( vui_addr_pixelNW_first_range, 3 )), + vuc_pixel_NW_first_range, 15 ); + // second range + vector unsigned char vuc_pixel_NW_second_range = spu_insert( + *((unsigned char*) spu_extract( vui_addr_pixelNW_second_range, 0 )), null_vector, 3 ); + vuc_pixel_NW_second_range = spu_insert( + *((unsigned char*) spu_extract( vui_addr_pixelNW_second_range, 1 )), + vuc_pixel_NW_second_range, 7 ); + vuc_pixel_NW_second_range = spu_insert( + *((unsigned char*) spu_extract( vui_addr_pixelNW_second_range, 2 )), + vuc_pixel_NW_second_range, 11 ); + vuc_pixel_NW_second_range = spu_insert( + *((unsigned char*) spu_extract( vui_addr_pixelNW_second_range, 3 )), + vuc_pixel_NW_second_range, 15 ); + // third range + vector unsigned char vuc_pixel_NW_third_range = spu_insert( + *((unsigned char*) spu_extract( vui_addr_pixelNW_third_range, 0 )), null_vector, 3 ); + vuc_pixel_NW_third_range = spu_insert( + *((unsigned char*) spu_extract( vui_addr_pixelNW_third_range, 1 )), + vuc_pixel_NW_third_range, 7 ); + vuc_pixel_NW_third_range = spu_insert( + *((unsigned char*) spu_extract( vui_addr_pixelNW_third_range, 2 )), + vuc_pixel_NW_third_range, 11 ); + vuc_pixel_NW_third_range = spu_insert( + *((unsigned char*) spu_extract( vui_addr_pixelNW_third_range, 3 )), + vuc_pixel_NW_third_range, 15 ); + // fourth range + vector unsigned char vuc_pixel_NW_fourth_range = spu_insert( + *((unsigned char*) spu_extract( vui_addr_pixelNW_fourth_range, 0 )), null_vector, 3 ); + vuc_pixel_NW_fourth_range = spu_insert( + *((unsigned char*) spu_extract( vui_addr_pixelNW_fourth_range, 1 )), + vuc_pixel_NW_fourth_range, 7 ); + vuc_pixel_NW_fourth_range = spu_insert( + *((unsigned char*) spu_extract( vui_addr_pixelNW_fourth_range, 2 )), + vuc_pixel_NW_fourth_range, 11 ); + vuc_pixel_NW_fourth_range = spu_insert( + *((unsigned char*) spu_extract( vui_addr_pixelNW_fourth_range, 3 )), + vuc_pixel_NW_fourth_range, 15 ); + + // NORTH EAST + // first range + vector unsigned char vuc_pixel_NE_first_range = spu_insert( + *((unsigned char*) spu_extract( vui_addr_pixelNE_first_range, 0 )), null_vector, 3 ); + vuc_pixel_NE_first_range = spu_insert( + *((unsigned char*) spu_extract( vui_addr_pixelNE_first_range, 1 )), + vuc_pixel_NE_first_range, 7 ); + vuc_pixel_NE_first_range = spu_insert( + *((unsigned char*) spu_extract( vui_addr_pixelNE_first_range, 2 )), + vuc_pixel_NE_first_range, 11 ); + vuc_pixel_NE_first_range = spu_insert( + *((unsigned char*) spu_extract( vui_addr_pixelNE_first_range, 3 )), + vuc_pixel_NE_first_range, 15 ); + // second range + vector unsigned char vuc_pixel_NE_second_range = spu_insert( + *((unsigned char*) spu_extract( vui_addr_pixelNE_second_range, 0 )), null_vector, 3 ); + vuc_pixel_NE_second_range = spu_insert( + *((unsigned char*) spu_extract( vui_addr_pixelNE_second_range, 1 )), + vuc_pixel_NE_second_range, 7 ); + vuc_pixel_NE_second_range = spu_insert( + *((unsigned char*) spu_extract( vui_addr_pixelNE_second_range, 2 )), + vuc_pixel_NE_second_range, 11 ); + vuc_pixel_NE_second_range = spu_insert( + *((unsigned char*) spu_extract( vui_addr_pixelNE_second_range, 3 )), + vuc_pixel_NE_second_range, 15 ); + // third range + vector unsigned char vuc_pixel_NE_third_range = spu_insert( + *((unsigned char*) spu_extract( vui_addr_pixelNE_third_range, 0 )), null_vector, 3 ); + vuc_pixel_NE_third_range = spu_insert( + *((unsigned char*) spu_extract( vui_addr_pixelNE_third_range, 1 )), + vuc_pixel_NE_third_range, 7 ); + vuc_pixel_NE_third_range = spu_insert( + *((unsigned char*) spu_extract( vui_addr_pixelNE_third_range, 2 )), + vuc_pixel_NE_third_range, 11 ); + vuc_pixel_NE_third_range = spu_insert( + *((unsigned char*) spu_extract( vui_addr_pixelNE_third_range, 3 )), + vuc_pixel_NE_third_range, 15 ); + // fourth range + vector unsigned char vuc_pixel_NE_fourth_range = spu_insert( + *((unsigned char*) spu_extract( vui_addr_pixelNE_fourth_range, 0 )), null_vector, 3 ); + vuc_pixel_NE_fourth_range = spu_insert( + *((unsigned char*) spu_extract( vui_addr_pixelNE_fourth_range, 1 )), + vuc_pixel_NE_fourth_range, 7 ); + vuc_pixel_NE_fourth_range = spu_insert( + *((unsigned char*) spu_extract( vui_addr_pixelNE_fourth_range, 2 )), + vuc_pixel_NE_fourth_range, 11 ); + vuc_pixel_NE_fourth_range = spu_insert( + *((unsigned char*) spu_extract( vui_addr_pixelNE_fourth_range, 3 )), + vuc_pixel_NE_fourth_range, 15 ); + + // SOUTH WEST + // first range + vector unsigned char vuc_pixel_SW_first_range = spu_insert( + *((unsigned char*) spu_extract( vui_addr_pixelSW_first_range, 0 )), null_vector, 3 ); + vuc_pixel_SW_first_range = spu_insert( + *((unsigned char*) spu_extract( vui_addr_pixelSW_first_range, 1 )), + vuc_pixel_SW_first_range, 7 ); + vuc_pixel_SW_first_range = spu_insert( + *((unsigned char*) spu_extract( vui_addr_pixelSW_first_range, 2 )), + vuc_pixel_SW_first_range, 11 ); + vuc_pixel_SW_first_range = spu_insert( + *((unsigned char*) spu_extract( vui_addr_pixelSW_first_range, 3 )), + vuc_pixel_SW_first_range, 15 ); + // second range + vector unsigned char vuc_pixel_SW_second_range = spu_insert( + *((unsigned char*) spu_extract( vui_addr_pixelSW_second_range, 0 )), null_vector, 3 ); + vuc_pixel_SW_second_range = spu_insert( + *((unsigned char*) spu_extract( vui_addr_pixelSW_second_range, 1 )), + vuc_pixel_SW_second_range, 7 ); + vuc_pixel_SW_second_range = spu_insert( + *((unsigned char*) spu_extract( vui_addr_pixelSW_second_range, 2 )), + vuc_pixel_SW_second_range, 11 ); + vuc_pixel_SW_second_range = spu_insert( + *((unsigned char*) spu_extract( vui_addr_pixelSW_second_range, 3 )), + vuc_pixel_SW_second_range, 15 ); + // third range + vector unsigned char vuc_pixel_SW_third_range = spu_insert( + *((unsigned char*) spu_extract( vui_addr_pixelSW_third_range, 0 )), null_vector, 3 ); + vuc_pixel_SW_third_range = spu_insert( + *((unsigned char*) spu_extract( vui_addr_pixelSW_third_range, 1 )), + vuc_pixel_SW_third_range, 7 ); + vuc_pixel_SW_third_range = spu_insert( + *((unsigned char*) spu_extract( vui_addr_pixelSW_third_range, 2 )), + vuc_pixel_SW_third_range, 11 ); + vuc_pixel_SW_third_range = spu_insert( + *((unsigned char*) spu_extract( vui_addr_pixelSW_third_range, 3 )), + vuc_pixel_SW_third_range, 15 ); + // fourth range + vector unsigned char vuc_pixel_SW_fourth_range = spu_insert( + *((unsigned char*) spu_extract( vui_addr_pixelSW_fourth_range, 0 )), null_vector, 3 ); + vuc_pixel_SW_fourth_range = spu_insert( + *((unsigned char*) spu_extract( vui_addr_pixelSW_fourth_range, 1 )), + vuc_pixel_SW_fourth_range, 7 ); + vuc_pixel_SW_fourth_range = spu_insert( + *((unsigned char*) spu_extract( vui_addr_pixelSW_fourth_range, 2 )), + vuc_pixel_SW_fourth_range, 11 ); + vuc_pixel_SW_fourth_range = spu_insert( + *((unsigned char*) spu_extract( vui_addr_pixelSW_fourth_range, 3 )), + vuc_pixel_SW_fourth_range, 15 ); + + // NORTH EAST + // first range + vector unsigned char vuc_pixel_SE_first_range = spu_insert( + *((unsigned char*) spu_extract( vui_addr_pixelSE_first_range, 0 )), null_vector, 3 ); + vuc_pixel_SE_first_range = spu_insert( + *((unsigned char*) spu_extract( vui_addr_pixelSE_first_range, 1 )), + vuc_pixel_SE_first_range, 7 ); + vuc_pixel_SE_first_range = spu_insert( + *((unsigned char*) spu_extract( vui_addr_pixelSE_first_range, 2 )), + vuc_pixel_SE_first_range, 11 ); + vuc_pixel_SE_first_range = spu_insert( + *((unsigned char*) spu_extract( vui_addr_pixelSE_first_range, 3 )), + vuc_pixel_SE_first_range, 15 ); + // second range + vector unsigned char vuc_pixel_SE_second_range = spu_insert( + *((unsigned char*) spu_extract( vui_addr_pixelSE_second_range, 0 )), null_vector, 3 ); + vuc_pixel_SE_second_range = spu_insert( + *((unsigned char*) spu_extract( vui_addr_pixelSE_second_range, 1 )), + vuc_pixel_SE_second_range, 7 ); + vuc_pixel_SE_second_range = spu_insert( + *((unsigned char*) spu_extract( vui_addr_pixelSE_second_range, 2 )), + vuc_pixel_SE_second_range, 11 ); + vuc_pixel_SE_second_range = spu_insert( + *((unsigned char*) spu_extract( vui_addr_pixelSE_second_range, 3 )), + vuc_pixel_SE_second_range, 15 ); + // third range + vector unsigned char vuc_pixel_SE_third_range = spu_insert( + *((unsigned char*) spu_extract( vui_addr_pixelSE_third_range, 0 )), null_vector, 3 ); + vuc_pixel_SE_third_range = spu_insert( + *((unsigned char*) spu_extract( vui_addr_pixelSE_third_range, 1 )), + vuc_pixel_SE_third_range, 7 ); + vuc_pixel_SE_third_range = spu_insert( + *((unsigned char*) spu_extract( vui_addr_pixelSE_third_range, 2 )), + vuc_pixel_SE_third_range, 11 ); + vuc_pixel_SE_third_range = spu_insert( + *((unsigned char*) spu_extract( vui_addr_pixelSE_third_range, 3 )), + vuc_pixel_SE_third_range, 15 ); + // fourth range + vector unsigned char vuc_pixel_SE_fourth_range = spu_insert( + *((unsigned char*) spu_extract( vui_addr_pixelSE_fourth_range, 0 )), null_vector, 3 ); + vuc_pixel_SE_fourth_range = spu_insert( + *((unsigned char*) spu_extract( vui_addr_pixelSE_fourth_range, 1 )), + vuc_pixel_SE_fourth_range, 7 ); + vuc_pixel_SE_fourth_range = spu_insert( + *((unsigned char*) spu_extract( vui_addr_pixelSE_fourth_range, 2 )), + vuc_pixel_SE_fourth_range, 11 ); + vuc_pixel_SE_fourth_range = spu_insert( + *((unsigned char*) spu_extract( vui_addr_pixelSE_fourth_range, 3 )), + vuc_pixel_SE_fourth_range, 15 ); + + + + // convert to float + vector float vf_pixel_NW_first_range = spu_convtf( (vector unsigned int) vuc_pixel_NW_first_range, 0 ); + vector float vf_pixel_NW_second_range = spu_convtf( (vector unsigned int) vuc_pixel_NW_second_range, 0 ); + vector float vf_pixel_NW_third_range = spu_convtf( (vector unsigned int) vuc_pixel_NW_third_range, 0 ); + vector float vf_pixel_NW_fourth_range = spu_convtf( (vector unsigned int) vuc_pixel_NW_fourth_range, 0 ); + + vector float vf_pixel_NE_first_range = spu_convtf( (vector unsigned int) vuc_pixel_NE_first_range, 0 ); + vector float vf_pixel_NE_second_range = spu_convtf( (vector unsigned int) vuc_pixel_NE_second_range, 0 ); + vector float vf_pixel_NE_third_range = spu_convtf( (vector unsigned int) vuc_pixel_NE_third_range, 0 ); + vector float vf_pixel_NE_fourth_range = spu_convtf( (vector unsigned int) vuc_pixel_NE_fourth_range, 0 ); + + vector float vf_pixel_SW_first_range = spu_convtf( (vector unsigned int) vuc_pixel_SW_first_range, 0 ); + vector float vf_pixel_SW_second_range = spu_convtf( (vector unsigned int) vuc_pixel_SW_second_range, 0 ); + vector float vf_pixel_SW_third_range = spu_convtf( (vector unsigned int) vuc_pixel_SW_third_range, 0 ); + vector float vf_pixel_SW_fourth_range = spu_convtf( (vector unsigned int) vuc_pixel_SW_fourth_range, 0 ); + + vector float vf_pixel_SE_first_range = spu_convtf( (vector unsigned int) vuc_pixel_SE_first_range, 0 ); + vector float vf_pixel_SE_second_range = spu_convtf( (vector unsigned int) vuc_pixel_SE_second_range, 0 ); + vector float vf_pixel_SE_third_range = spu_convtf( (vector unsigned int) vuc_pixel_SE_third_range, 0 ); + vector float vf_pixel_SE_fourth_range = spu_convtf( (vector unsigned int) vuc_pixel_SE_fourth_range, 0 ); + + // first linear interpolation: EWtop + // EWtop = NW + EWweight*(NE-NW) + // + // first range + vector float vf_EWtop_first_range_tmp = spu_sub( vf_pixel_NE_first_range, vf_pixel_NW_first_range ); + vector float vf_EWtop_first_range = spu_madd( vf_EWweight_first_range, + vf_EWtop_first_range_tmp, + vf_pixel_NW_first_range ); + + // second range + vector float vf_EWtop_second_range_tmp = spu_sub( vf_pixel_NE_second_range, vf_pixel_NW_second_range ); + vector float vf_EWtop_second_range = spu_madd( vf_EWweight_second_range, + vf_EWtop_second_range_tmp, + vf_pixel_NW_second_range ); + + // third range + vector float vf_EWtop_third_range_tmp = spu_sub( vf_pixel_NE_third_range, vf_pixel_NW_third_range ); + vector float vf_EWtop_third_range = spu_madd( vf_EWweight_third_range, + vf_EWtop_third_range_tmp, + vf_pixel_NW_third_range ); + + // fourth range + vector float vf_EWtop_fourth_range_tmp = spu_sub( vf_pixel_NE_fourth_range, vf_pixel_NW_fourth_range ); + vector float vf_EWtop_fourth_range = spu_madd( vf_EWweight_fourth_range, + vf_EWtop_fourth_range_tmp, + vf_pixel_NW_fourth_range ); + + + + // second linear interpolation: EWbottom + // EWbottom = SW + EWweight*(SE-SW) + // + // first range + vector float vf_EWbottom_first_range_tmp = spu_sub( vf_pixel_SE_first_range, vf_pixel_SW_first_range ); + vector float vf_EWbottom_first_range = spu_madd( vf_EWweight_first_range, + vf_EWbottom_first_range_tmp, + vf_pixel_SW_first_range ); + + // second range + vector float vf_EWbottom_second_range_tmp = spu_sub( vf_pixel_SE_second_range, vf_pixel_SW_second_range ); + vector float vf_EWbottom_second_range = spu_madd( vf_EWweight_second_range, + vf_EWbottom_second_range_tmp, + vf_pixel_SW_second_range ); + // first range + vector float vf_EWbottom_third_range_tmp = spu_sub( vf_pixel_SE_third_range, vf_pixel_SW_third_range ); + vector float vf_EWbottom_third_range = spu_madd( vf_EWweight_third_range, + vf_EWbottom_third_range_tmp, + vf_pixel_SW_third_range ); + + // first range + vector float vf_EWbottom_fourth_range_tmp = spu_sub( vf_pixel_SE_fourth_range, vf_pixel_SW_fourth_range ); + vector float vf_EWbottom_fourth_range = spu_madd( vf_EWweight_fourth_range, + vf_EWbottom_fourth_range_tmp, + vf_pixel_SW_fourth_range ); + + + + // third linear interpolation: the bilinear interpolated value + // result = EWtop + NSweight*(EWbottom-EWtop); + // + // first range + vector float vf_result_first_range_tmp = spu_sub( vf_EWbottom_first_range, vf_EWtop_first_range ); + vector float vf_result_first_range = spu_madd( vf_NSweight, + vf_result_first_range_tmp, + vf_EWtop_first_range ); + + // second range + vector float vf_result_second_range_tmp = spu_sub( vf_EWbottom_second_range, vf_EWtop_second_range ); + vector float vf_result_second_range = spu_madd( vf_NSweight, + vf_result_second_range_tmp, + vf_EWtop_second_range ); + + // third range + vector float vf_result_third_range_tmp = spu_sub( vf_EWbottom_third_range, vf_EWtop_third_range ); + vector float vf_result_third_range = spu_madd( vf_NSweight, + vf_result_third_range_tmp, + vf_EWtop_third_range ); + + // fourth range + vector float vf_result_fourth_range_tmp = spu_sub( vf_EWbottom_fourth_range, vf_EWtop_fourth_range ); + vector float vf_result_fourth_range = spu_madd( vf_NSweight, + vf_result_fourth_range_tmp, + vf_EWtop_fourth_range ); + + + + // convert back: using saturated arithmetic + vector unsigned int vui_result_first_range = vfloat_to_vuint( vf_result_first_range ); + vector unsigned int vui_result_second_range = vfloat_to_vuint( vf_result_second_range ); + vector unsigned int vui_result_third_range = vfloat_to_vuint( vf_result_third_range ); + vector unsigned int vui_result_fourth_range = vfloat_to_vuint( vf_result_fourth_range ); + + // merge results->lower,upper + vector unsigned char vuc_mask_merge_result_first_second = { 0x03, 0x07, 0x0B, 0x0F, + 0x13, 0x17, 0x1B, 0x1F, + 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00 }; + + vector unsigned char vuc_mask_merge_result_third_fourth = { 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, + 0x03, 0x07, 0x0B, 0x0F, + 0x13, 0x17, 0x1B, 0x1F }; + + vector unsigned char vuc_result_first_second = + spu_shuffle( (vector unsigned char) vui_result_first_range, + (vector unsigned char) vui_result_second_range, + vuc_mask_merge_result_first_second ); + + vector unsigned char vuc_result_third_fourth = + spu_shuffle( (vector unsigned char) vui_result_third_range, + (vector unsigned char) vui_result_fourth_range, + vuc_mask_merge_result_third_fourth ); + + // store result + *((vector unsigned char*)dst) = spu_or( vuc_result_first_second, + vuc_result_third_fourth ); + dst += 16; + } +} + diff --git a/distrib/sdl-1.2.15/src/video/ps3/spulibs/fb_writer.c b/distrib/sdl-1.2.15/src/video/ps3/spulibs/fb_writer.c new file mode 100644 index 0000000..0eb51cc --- /dev/null +++ b/distrib/sdl-1.2.15/src/video/ps3/spulibs/fb_writer.c @@ -0,0 +1,193 @@ +/* + * SDL - Simple DirectMedia Layer + * CELL BE Support for PS3 Framebuffer + * Copyright (C) 2008, 2009 International Business Machines Corporation + * + * This library is free software; you can redistribute it and/or modify it + * under the terms of the GNU Lesser General Public License as published + * by the Free Software Foundation; either version 2.1 of the License, or + * (at your option) any later version. + * + * This library 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 + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 + * USA + * + * Martin Lowinski <lowinski [at] de [dot] ibm [ibm] com> + * Dirk Herrendoerfer <d.herrendoerfer [at] de [dot] ibm [dot] com> + * SPE code based on research by: + * Rene Becker + * Thimo Emmerich + */ + +#include "spu_common.h" + +#include <spu_intrinsics.h> +#include <spu_mfcio.h> +#include <stdio.h> +#include <string.h> + +// Debugging +//#define DEBUG + +#ifdef DEBUG +#define deprintf(fmt, args... ) \ + fprintf( stdout, fmt, ##args ); \ + fflush( stdout ); +#else +#define deprintf( fmt, args... ) +#endif + +void cpy_to_fb(unsigned int); + +/* fb_writer_spu parms */ +static volatile struct fb_writer_parms_t parms __attribute__ ((aligned(128))); + +/* Code running on SPU */ +int main(unsigned long long spe_id __attribute__ ((unused)), unsigned long long argp __attribute__ ((unused))) +{ + deprintf("[SPU] fb_writer_spu is up... (on SPE #%llu)\n", spe_id); + uint32_t ea_mfc, mbox; + // send ready message + spu_write_out_mbox(SPU_READY); + + while (1) { + /* Check mailbox */ + mbox = spu_read_in_mbox(); + deprintf("[SPU] Message is %u\n", mbox); + switch (mbox) { + case SPU_EXIT: + deprintf("[SPU] fb_writer goes down...\n"); + return 0; + case SPU_START: + break; + default: + deprintf("[SPU] Cannot handle message\n"); + continue; + } + + /* Tag Manager setup */ + unsigned int tags; + tags = mfc_multi_tag_reserve(5); + if (tags == MFC_TAG_INVALID) { + deprintf("[SPU] Failed to reserve mfc tags on fb_writer\n"); + return 0; + } + + /* Framebuffer parms */ + ea_mfc = spu_read_in_mbox(); + deprintf("[SPU] Message on fb_writer is %u\n", ea_mfc); + spu_mfcdma32(&parms, (unsigned int)ea_mfc, + sizeof(struct fb_writer_parms_t), tags, + MFC_GET_CMD); + deprintf("[SPU] argp = %u\n", (unsigned int)argp); + DMA_WAIT_TAG(tags); + + /* Copy parms->data to framebuffer */ + deprintf("[SPU] Copying to framebuffer started\n"); + cpy_to_fb(tags); + deprintf("[SPU] Copying to framebuffer done!\n"); + + mfc_multi_tag_release(tags, 5); + deprintf("[SPU] fb_writer_spu... done!\n"); + /* Send FIN msg */ + spu_write_out_mbox(SPU_FIN); + } + + return 0; +} + +void cpy_to_fb(unsigned int tag_id_base) +{ + unsigned int i; + unsigned char current_buf; + uint8_t *in = parms.data; + + /* Align fb pointer which was centered before */ + uint8_t *fb = + (unsigned char *)((unsigned int)parms.center & 0xFFFFFFF0); + + uint32_t bounded_input_height = parms.bounded_input_height; + uint32_t bounded_input_width = parms.bounded_input_width; + uint32_t fb_pixel_size = parms.fb_pixel_size; + + uint32_t out_line_stride = parms.out_line_stride; + uint32_t in_line_stride = parms.in_line_stride; + uint32_t in_line_size = bounded_input_width * fb_pixel_size; + + current_buf = 0; + + /* Local store buffer */ + static volatile uint8_t buf[4][BUFFER_SIZE] + __attribute__ ((aligned(128))); + /* do 4-times multibuffering using DMA list, process in two steps */ + for (i = 0; i < bounded_input_height >> 2; i++) { + /* first buffer */ + DMA_WAIT_TAG(tag_id_base + 1); + // retrieve buffer + spu_mfcdma32(buf[0], (unsigned int)in, in_line_size, + tag_id_base + 1, MFC_GETB_CMD); + DMA_WAIT_TAG(tag_id_base + 1); + // store buffer + spu_mfcdma32(buf[0], (unsigned int)fb, in_line_size, + tag_id_base + 1, MFC_PUTB_CMD); + in += in_line_stride; + fb += out_line_stride; + deprintf("[SPU] 1st buffer copied in=0x%x, fb=0x%x\n", in, + fb); + + /* second buffer */ + DMA_WAIT_TAG(tag_id_base + 2); + // retrieve buffer + spu_mfcdma32(buf[1], (unsigned int)in, in_line_size, + tag_id_base + 2, MFC_GETB_CMD); + DMA_WAIT_TAG(tag_id_base + 2); + // store buffer + spu_mfcdma32(buf[1], (unsigned int)fb, in_line_size, + tag_id_base + 2, MFC_PUTB_CMD); + in += in_line_stride; + fb += out_line_stride; + deprintf("[SPU] 2nd buffer copied in=0x%x, fb=0x%x\n", in, + fb); + + /* third buffer */ + DMA_WAIT_TAG(tag_id_base + 3); + // retrieve buffer + spu_mfcdma32(buf[2], (unsigned int)in, in_line_size, + tag_id_base + 3, MFC_GETB_CMD); + DMA_WAIT_TAG(tag_id_base + 3); + // store buffer + spu_mfcdma32(buf[2], (unsigned int)fb, in_line_size, + tag_id_base + 3, MFC_PUTB_CMD); + in += in_line_stride; + fb += out_line_stride; + deprintf("[SPU] 3rd buffer copied in=0x%x, fb=0x%x\n", in, + fb); + + /* fourth buffer */ + DMA_WAIT_TAG(tag_id_base + 4); + // retrieve buffer + spu_mfcdma32(buf[3], (unsigned int)in, in_line_size, + tag_id_base + 4, MFC_GETB_CMD); + DMA_WAIT_TAG(tag_id_base + 4); + // store buffer + spu_mfcdma32(buf[3], (unsigned int)fb, in_line_size, + tag_id_base + 4, MFC_PUTB_CMD); + in += in_line_stride; + fb += out_line_stride; + deprintf("[SPU] 4th buffer copied in=0x%x, fb=0x%x\n", in, + fb); + deprintf("[SPU] Loop #%i, bounded_input_height=%i\n", i, + bounded_input_height >> 2); + } + DMA_WAIT_TAG(tag_id_base + 2); + DMA_WAIT_TAG(tag_id_base + 3); + DMA_WAIT_TAG(tag_id_base + 4); +} + + diff --git a/distrib/sdl-1.2.15/src/video/ps3/spulibs/spu_common.h b/distrib/sdl-1.2.15/src/video/ps3/spulibs/spu_common.h new file mode 100644 index 0000000..42c328c --- /dev/null +++ b/distrib/sdl-1.2.15/src/video/ps3/spulibs/spu_common.h @@ -0,0 +1,108 @@ +/* + * SDL - Simple DirectMedia Layer + * CELL BE Support for PS3 Framebuffer + * Copyright (C) 2008, 2009 International Business Machines Corporation + * + * This library is free software; you can redistribute it and/or modify it + * under the terms of the GNU Lesser General Public License as published + * by the Free Software Foundation; either version 2.1 of the License, or + * (at your option) any later version. + * + * This library 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 + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 + * USA + * + * Martin Lowinski <lowinski [at] de [dot] ibm [ibm] com> + * Dirk Herrendoerfer <d.herrendoerfer [at] de [dot] ibm [dot] com> + * SPE code based on research by: + * Rene Becker + * Thimo Emmerich + */ + +/* Common definitions/makros for SPUs */ + +#ifndef _SPU_COMMON_H +#define _SPU_COMMON_H + +#include <stdio.h> +#include <stdint.h> +#include <string.h> + +/* Tag management */ +#define DMA_WAIT_TAG(_tag) \ + mfc_write_tag_mask(1<<(_tag)); \ + mfc_read_tag_status_all(); + +/* SPU mailbox messages */ +#define SPU_READY 0 +#define SPU_START 1 +#define SPU_FIN 2 +#define SPU_EXIT 3 + +/* Tags */ +#define RETR_BUF 0 +#define STR_BUF 1 +#define TAG_INIT 2 + +/* Buffersizes */ +#define MAX_HDTV_WIDTH 1920 +#define MAX_HDTV_HEIGHT 1080 +/* One stride of HDTV */ +#define BUFFER_SIZE 7680 + +/* fb_writer ppu/spu exchange parms */ +struct fb_writer_parms_t { + uint8_t *data; + uint8_t *center; + uint32_t out_line_stride; + uint32_t in_line_stride; + uint32_t bounded_input_height; + uint32_t bounded_input_width; + uint32_t fb_pixel_size; + + /* This padding is to fulfill the need for 16 byte alignment. On parm change, update! */ + char padding[4]; +} __attribute__((aligned(128))); + +/* yuv2rgb ppu/spu exchange parms */ +struct yuv2rgb_parms_t { + uint8_t* y_plane; + uint8_t* v_plane; + uint8_t* u_plane; + + uint8_t* dstBuffer; + + unsigned int src_pixel_width; + unsigned int src_pixel_height; + + /* This padding is to fulfill the need for 16 byte alignment. On parm change, update! */ + char padding[128 - ((4 * sizeof(uint8_t *) + 2 * sizeof(unsigned int)) & 0x7F)]; +} __attribute__((aligned(128))); + +/* bilin_scaler ppu/spu exchange parms */ +struct scale_parms_t { + uint8_t* y_plane; + uint8_t* v_plane; + uint8_t* u_plane; + + uint8_t* dstBuffer; + + unsigned int src_pixel_width; + unsigned int src_pixel_height; + + unsigned int dst_pixel_width; + unsigned int dst_pixel_height; + + /* This padding is to fulfill the need for 16 byte alignment. On parm change, update! */ + char padding[128 - ((4 * sizeof(uint8_t *) + 4 * sizeof(unsigned int)) & 0x7F)]; +} __attribute__((aligned(128))); + +#endif /* _SPU_COMMON_H */ + + diff --git a/distrib/sdl-1.2.15/src/video/ps3/spulibs/yuv2rgb_converter.c b/distrib/sdl-1.2.15/src/video/ps3/spulibs/yuv2rgb_converter.c new file mode 100644 index 0000000..5e16691 --- /dev/null +++ b/distrib/sdl-1.2.15/src/video/ps3/spulibs/yuv2rgb_converter.c @@ -0,0 +1,629 @@ +/* + * SDL - Simple DirectMedia Layer + * CELL BE Support for PS3 Framebuffer + * Copyright (C) 2008, 2009 International Business Machines Corporation + * + * This library is free software; you can redistribute it and/or modify it + * under the terms of the GNU Lesser General Public License as published + * by the Free Software Foundation; either version 2.1 of the License, or + * (at your option) any later version. + * + * This library 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 + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 + * USA + * + * Martin Lowinski <lowinski [at] de [dot] ibm [ibm] com> + * Dirk Herrendoerfer <d.herrendoerfer [at] de [dot] ibm [dot] com> + * SPE code based on research by: + * Rene Becker + * Thimo Emmerich + */ + +#include "spu_common.h" + +#include <spu_intrinsics.h> +#include <spu_mfcio.h> + +// Debugging +//#define DEBUG + +#ifdef DEBUG +#define deprintf(fmt, args... ) \ + fprintf( stdout, fmt, ##args ); \ + fflush( stdout ); +#else +#define deprintf( fmt, args... ) +#endif + +struct yuv2rgb_parms_t parms_converter __attribute__((aligned(128))); + +/* A maximum of 8 lines Y, therefore 4 lines V, 4 lines U are stored + * there might be the need to retrieve misaligned data, adjust + * incoming v and u plane to be able to handle this (add 128) + */ +unsigned char y_plane[2][(MAX_HDTV_WIDTH + 128) * 4] __attribute__((aligned(128))); +unsigned char v_plane[2][(MAX_HDTV_WIDTH + 128) * 2] __attribute__((aligned(128))); +unsigned char u_plane[2][(MAX_HDTV_WIDTH + 128) * 2] __attribute__((aligned(128))); + +/* A maximum of 4 lines BGRA are stored, 4 byte per pixel */ +unsigned char bgra[4 * MAX_HDTV_WIDTH * 4] __attribute__((aligned(128))); + +/* some vectors needed by the float to int conversion */ +static const vector float vec_255 = { 255.0f, 255.0f, 255.0f, 255.0f }; +static const vector float vec_0_1 = { 0.1f, 0.1f, 0.1f, 0.1f }; + +void yuv_to_rgb_w16(); +void yuv_to_rgb_w32(); + +void yuv_to_rgb_w16_line(unsigned char* y_addr, unsigned char* v_addr, unsigned char* u_addr, unsigned char* bgra_addr, unsigned int width); +void yuv_to_rgb_w32_line(unsigned char* y_addr, unsigned char* v_addr, unsigned char* u_addr, unsigned char* bgra_addr_, unsigned int width); + + +int main(unsigned long long spe_id __attribute__((unused)), unsigned long long argp __attribute__ ((unused))) +{ + deprintf("[SPU] yuv2rgb_spu is up... (on SPE #%llu)\n", spe_id); + uint32_t ea_mfc, mbox; + // send ready message + spu_write_out_mbox(SPU_READY); + + while (1) { + /* Check mailbox */ + mbox = spu_read_in_mbox(); + deprintf("[SPU] Message is %u\n", mbox); + switch (mbox) { + case SPU_EXIT: + deprintf("[SPU] fb_writer goes down...\n"); + return 0; + case SPU_START: + break; + default: + deprintf("[SPU] Cannot handle message\n"); + continue; + } + + /* Tag Manager setup */ + unsigned int tag_id; + tag_id = mfc_multi_tag_reserve(1); + if (tag_id == MFC_TAG_INVALID) { + deprintf("[SPU] Failed to reserve mfc tags on yuv2rgb_converter\n"); + return 0; + } + + /* DMA transfer for the input parameters */ + ea_mfc = spu_read_in_mbox(); + deprintf("[SPU] Message on yuv2rgb_converter is %u\n", ea_mfc); + spu_mfcdma32(&parms_converter, (unsigned int)ea_mfc, sizeof(struct yuv2rgb_parms_t), tag_id, MFC_GET_CMD); + DMA_WAIT_TAG(tag_id); + + /* There are alignment issues that involve handling of special cases + * a width of 32 results in a width of 16 in the chrominance + * --> choose the proper handling to optimize the performance + */ + deprintf("[SPU] Convert %ix%i from YUV to RGB\n", parms_converter.src_pixel_width, parms_converter.src_pixel_height); + if (parms_converter.src_pixel_width & 0x1f) { + deprintf("[SPU] Using yuv_to_rgb_w16\n"); + yuv_to_rgb_w16(); + } else { + deprintf("[SPU] Using yuv_to_rgb_w32\n"); + yuv_to_rgb_w32(); + } + + mfc_multi_tag_release(tag_id, 1); + deprintf("[SPU] yuv2rgb_spu... done!\n"); + /* Send FIN message */ + spu_write_out_mbox(SPU_FIN); + } + + return 0; +} + + +/* + * float_to_char() + * + * converts a float to a character using saturated + * arithmetic + * + * @param s float for conversion + * @returns converted character + */ +inline static unsigned char float_to_char(float s) { + vector float vec_s = spu_splats(s); + vector unsigned int select_1 = spu_cmpgt(vec_0_1, vec_s); + vec_s = spu_sel(vec_s, vec_0_1, select_1); + + vector unsigned int select_2 = spu_cmpgt(vec_s, vec_255); + vec_s = spu_sel(vec_s, vec_255, select_2); + return (unsigned char) spu_extract(vec_s,0); +} + + +/* + * vfloat_to_vuint() + * + * converts a float vector to an unsinged int vector using saturated + * arithmetic + * + * @param vec_s float vector for conversion + * @returns converted unsigned int vector + */ +inline static vector unsigned int vfloat_to_vuint(vector float vec_s) { + vector unsigned int select_1 = spu_cmpgt(vec_0_1, vec_s); + vec_s = spu_sel(vec_s, vec_0_1, select_1); + + vector unsigned int select_2 = spu_cmpgt(vec_s, vec_255); + vec_s = spu_sel(vec_s, vec_255, select_2); + return spu_convtu(vec_s,0); +} + + +void yuv_to_rgb_w16() { + // Pixel dimensions of the picture + uint32_t width, height; + + // Extract parameters + width = parms_converter.src_pixel_width; + height = parms_converter.src_pixel_height; + + // Plane data management + // Y + unsigned char* ram_addr_y = parms_converter.y_plane; + // V + unsigned char* ram_addr_v = parms_converter.v_plane; + // U + unsigned char* ram_addr_u = parms_converter.u_plane; + + // BGRA + unsigned char* ram_addr_bgra = parms_converter.dstBuffer; + + // Strides + unsigned int stride_y = width; + unsigned int stride_vu = width>>1; + + // Buffer management + unsigned int buf_idx = 0; + unsigned int size_4lines_y = stride_y<<2; + unsigned int size_2lines_y = stride_y<<1; + unsigned int size_2lines_vu = stride_vu<<1; + + // 2*width*4byte_per_pixel + unsigned int size_2lines_bgra = width<<3; + + + // start double-buffered processing + // 4 lines y + spu_mfcdma32(y_plane[buf_idx], (unsigned int) ram_addr_y, size_4lines_y, RETR_BUF+buf_idx, MFC_GET_CMD); + + // 2 lines v + spu_mfcdma32(v_plane[buf_idx], (unsigned int) ram_addr_v, size_2lines_vu, RETR_BUF+buf_idx, MFC_GET_CMD); + + // 2 lines u + spu_mfcdma32(u_plane[buf_idx], (unsigned int) ram_addr_u, size_2lines_vu, RETR_BUF+buf_idx, MFC_GET_CMD); + + // Wait for these transfers to be completed + DMA_WAIT_TAG((RETR_BUF + buf_idx)); + + unsigned int i; + for(i=0; i<(height>>2)-1; i++) { + + buf_idx^=1; + + // 4 lines y + spu_mfcdma32(y_plane[buf_idx], (unsigned int) ram_addr_y+size_4lines_y, size_4lines_y, RETR_BUF+buf_idx, MFC_GET_CMD); + + // 2 lines v + spu_mfcdma32(v_plane[buf_idx], (unsigned int) ram_addr_v+size_2lines_vu, size_2lines_vu, RETR_BUF+buf_idx, MFC_GET_CMD); + + // 2 lines u + spu_mfcdma32(u_plane[buf_idx], (unsigned int) ram_addr_u+size_2lines_vu, size_2lines_vu, RETR_BUF+buf_idx, MFC_GET_CMD); + + DMA_WAIT_TAG((RETR_BUF + buf_idx)); + + buf_idx^=1; + + + // Convert YUV to BGRA, store it back (first two lines) + yuv_to_rgb_w16_line(y_plane[buf_idx], v_plane[buf_idx], u_plane[buf_idx], bgra, width); + + // Next two lines + yuv_to_rgb_w16_line(y_plane[buf_idx] + size_2lines_y, + v_plane[buf_idx] + stride_vu, + u_plane[buf_idx] + stride_vu, + bgra + size_2lines_bgra, + width); + + // Wait for previous storing transfer to be completed + DMA_WAIT_TAG(STR_BUF); + + // Store converted lines in two steps->max transfer size 16384 + spu_mfcdma32(bgra, (unsigned int) ram_addr_bgra, size_2lines_bgra, STR_BUF, MFC_PUT_CMD); + ram_addr_bgra += size_2lines_bgra; + spu_mfcdma32(bgra+size_2lines_bgra, (unsigned int) ram_addr_bgra, size_2lines_bgra, STR_BUF, MFC_PUT_CMD); + ram_addr_bgra += size_2lines_bgra; + + // Move 4 lines + ram_addr_y += size_4lines_y; + ram_addr_v += size_2lines_vu; + ram_addr_u += size_2lines_vu; + + buf_idx^=1; + } + + // Convert YUV to BGRA, store it back (first two lines) + yuv_to_rgb_w16_line(y_plane[buf_idx], v_plane[buf_idx], u_plane[buf_idx], bgra, width); + + // Next two lines + yuv_to_rgb_w16_line(y_plane[buf_idx] + size_2lines_y, + v_plane[buf_idx] + stride_vu, + u_plane[buf_idx] + stride_vu, + bgra + size_2lines_bgra, + width); + + // Wait for previous storing transfer to be completed + DMA_WAIT_TAG(STR_BUF); + spu_mfcdma32(bgra, (unsigned int) ram_addr_bgra, size_2lines_bgra, STR_BUF, MFC_PUT_CMD); + ram_addr_bgra += size_2lines_bgra; + spu_mfcdma32(bgra+size_2lines_bgra, (unsigned int) ram_addr_bgra, size_2lines_bgra, STR_BUF, MFC_PUT_CMD); + + // wait for previous storing transfer to be completed + DMA_WAIT_TAG(STR_BUF); + +} + + +void yuv_to_rgb_w32() { + // Pixel dimensions of the picture + uint32_t width, height; + + // Extract parameters + width = parms_converter.src_pixel_width; + height = parms_converter.src_pixel_height; + + // Plane data management + // Y + unsigned char* ram_addr_y = parms_converter.y_plane; + // V + unsigned char* ram_addr_v = parms_converter.v_plane; + // U + unsigned char* ram_addr_u = parms_converter.u_plane; + + // BGRA + unsigned char* ram_addr_bgra = parms_converter.dstBuffer; + + // Strides + unsigned int stride_y = width; + unsigned int stride_vu = width>>1; + + // Buffer management + unsigned int buf_idx = 0; + unsigned int size_4lines_y = stride_y<<2; + unsigned int size_2lines_y = stride_y<<1; + unsigned int size_2lines_vu = stride_vu<<1; + + // 2*width*4byte_per_pixel + unsigned int size_2lines_bgra = width<<3; + + // start double-buffered processing + // 4 lines y + spu_mfcdma32(y_plane[buf_idx], (unsigned int) ram_addr_y, size_4lines_y, RETR_BUF + buf_idx, MFC_GET_CMD); + // 2 lines v + spu_mfcdma32(v_plane[buf_idx], (unsigned int) ram_addr_v, size_2lines_vu, RETR_BUF + buf_idx, MFC_GET_CMD); + // 2 lines u + spu_mfcdma32(u_plane[buf_idx], (unsigned int) ram_addr_u, size_2lines_vu, RETR_BUF + buf_idx, MFC_GET_CMD); + + // Wait for these transfers to be completed + DMA_WAIT_TAG((RETR_BUF + buf_idx)); + + unsigned int i; + for(i=0; i < (height>>2)-1; i++) { + buf_idx^=1; + // 4 lines y + spu_mfcdma32(y_plane[buf_idx], (unsigned int) ram_addr_y+size_4lines_y, size_4lines_y, RETR_BUF + buf_idx, MFC_GET_CMD); + deprintf("4lines = %d\n", size_4lines_y); + // 2 lines v + spu_mfcdma32(v_plane[buf_idx], (unsigned int) ram_addr_v+size_2lines_vu, size_2lines_vu, RETR_BUF + buf_idx, MFC_GET_CMD); + deprintf("2lines = %d\n", size_2lines_vu); + // 2 lines u + spu_mfcdma32(u_plane[buf_idx], (unsigned int) ram_addr_u+size_2lines_vu, size_2lines_vu, RETR_BUF + buf_idx, MFC_GET_CMD); + deprintf("2lines = %d\n", size_2lines_vu); + + DMA_WAIT_TAG((RETR_BUF + buf_idx)); + + buf_idx^=1; + + // Convert YUV to BGRA, store it back (first two lines) + yuv_to_rgb_w32_line(y_plane[buf_idx], v_plane[buf_idx], u_plane[buf_idx], bgra, width); + + // Next two lines + yuv_to_rgb_w32_line(y_plane[buf_idx] + size_2lines_y, + v_plane[buf_idx] + stride_vu, + u_plane[buf_idx] + stride_vu, + bgra + size_2lines_bgra, + width); + + // Wait for previous storing transfer to be completed + DMA_WAIT_TAG(STR_BUF); + + // Store converted lines in two steps->max transfer size 16384 + spu_mfcdma32(bgra, (unsigned int)ram_addr_bgra, size_2lines_bgra, STR_BUF, MFC_PUT_CMD); + ram_addr_bgra += size_2lines_bgra; + spu_mfcdma32(bgra + size_2lines_bgra, (unsigned int)ram_addr_bgra, size_2lines_bgra, STR_BUF, MFC_PUT_CMD); + ram_addr_bgra += size_2lines_bgra; + + // Move 4 lines + ram_addr_y += size_4lines_y; + ram_addr_v += size_2lines_vu; + ram_addr_u += size_2lines_vu; + + buf_idx^=1; + } + + // Convert YUV to BGRA, store it back (first two lines) + yuv_to_rgb_w32_line(y_plane[buf_idx], v_plane[buf_idx], u_plane[buf_idx], bgra, width); + + // Next two lines + yuv_to_rgb_w32_line(y_plane[buf_idx] + size_2lines_y, + v_plane[buf_idx] + stride_vu, + u_plane[buf_idx] + stride_vu, + bgra + size_2lines_bgra, + width); + + // Wait for previous storing transfer to be completed + DMA_WAIT_TAG(STR_BUF); + spu_mfcdma32(bgra, (unsigned int) ram_addr_bgra, size_2lines_bgra, STR_BUF, MFC_PUT_CMD); + ram_addr_bgra += size_2lines_bgra; + spu_mfcdma32(bgra + size_2lines_bgra, (unsigned int) ram_addr_bgra, size_2lines_bgra, STR_BUF, MFC_PUT_CMD); + + // Wait for previous storing transfer to be completed + DMA_WAIT_TAG(STR_BUF); +} + + +/* Some vectors needed by the yuv 2 rgb conversion algorithm */ +const vector float vec_minus_128 = { -128.0f, -128.0f, -128.0f, -128.0f }; +const vector unsigned char vec_null = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }; +const vector unsigned char vec_char2int_first = { 0x00, 0x00, 0x00, 0x10, 0x00, 0x00, 0x00, 0x11, 0x00, 0x00, 0x00, 0x12, 0x00, 0x00, 0x00, 0x13 }; +const vector unsigned char vec_char2int_second = { 0x00, 0x00, 0x00, 0x14, 0x00, 0x00, 0x00, 0x15, 0x00, 0x00, 0x00, 0x16, 0x00, 0x00, 0x00, 0x17 }; +const vector unsigned char vec_char2int_third = { 0x00, 0x00, 0x00, 0x18, 0x00, 0x00, 0x00, 0x19, 0x00, 0x00, 0x00, 0x1A, 0x00, 0x00, 0x00, 0x1B }; +const vector unsigned char vec_char2int_fourth = { 0x00, 0x00, 0x00, 0x1C, 0x00, 0x00, 0x00, 0x1D, 0x00, 0x00, 0x00, 0x1E, 0x00, 0x00, 0x00, 0x1F }; + +const vector float vec_R_precalc_coeff = {1.403f, 1.403f, 1.403f, 1.403f}; +const vector float vec_Gu_precalc_coeff = {-0.344f, -0.344f, -0.344f, -0.344f}; +const vector float vec_Gv_precalc_coeff = {-0.714f, -0.714f, -0.714f, -0.714f}; +const vector float vec_B_precalc_coeff = {1.773f, 1.773f, 1.773f, 1.773f}; + +const vector unsigned int vec_alpha = { 255 << 24, 255 << 24, 255 << 24, 255 << 24 }; + +const vector unsigned char vec_select_floats_upper = { 0x00, 0x01, 0x02, 0x03, 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x04, 0x05, 0x06, 0x07 }; +const vector unsigned char vec_select_floats_lower = { 0x08, 0x09, 0x0A, 0x0B, 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F, 0x0C, 0x0D, 0x0E, 0x0F }; + + +/* + * yuv_to_rgb_w16() + * + * processes to line of yuv-input, width has to be a multiple of 16 + * two lines of yuv are taken as input + * + * @param y_addr address of the y plane in local store + * @param v_addr address of the v plane in local store + * @param u_addr address of the u plane in local store + * @param bgra_addr_ address of the bgra output buffer + * @param width the width in pixel + */ +void yuv_to_rgb_w16_line(unsigned char* y_addr, unsigned char* v_addr, unsigned char* u_addr, unsigned char* bgra_addr_, unsigned int width) { + // each pixel is stored as an integer + unsigned int* bgra_addr = (unsigned int*) bgra_addr_; + + unsigned int x; + for(x = 0; x < width; x+=2) { + // Gehe zweischrittig durch die zeile, da jeder u und v wert fuer 4 pixel(zwei hoch, zwei breit) gilt + const unsigned char Y_1 = *(y_addr + x); + const unsigned char Y_2 = *(y_addr + x + 1); + const unsigned char Y_3 = *(y_addr + x + width); + const unsigned char Y_4 = *(y_addr + x + width + 1); + const unsigned char U = *(u_addr + (x >> 1)); + const unsigned char V = *(v_addr + (x >> 1)); + + float V_minus_128 = (float)((float)V - 128.0f); + float U_minus_128 = (float)((float)U - 128.0f); + + float R_precalculate = 1.403f * V_minus_128; + float G_precalculate = -(0.344f * U_minus_128 + 0.714f * V_minus_128); + float B_precalculate = 1.773f * U_minus_128; + + const unsigned char R_1 = float_to_char((Y_1 + R_precalculate)); + const unsigned char R_2 = float_to_char((Y_2 + R_precalculate)); + const unsigned char R_3 = float_to_char((Y_3 + R_precalculate)); + const unsigned char R_4 = float_to_char((Y_4 + R_precalculate)); + const unsigned char G_1 = float_to_char((Y_1 + G_precalculate)); + const unsigned char G_2 = float_to_char((Y_2 + G_precalculate)); + const unsigned char G_3 = float_to_char((Y_3 + G_precalculate)); + const unsigned char G_4 = float_to_char((Y_4 + G_precalculate)); + const unsigned char B_1 = float_to_char((Y_1 + B_precalculate)); + const unsigned char B_2 = float_to_char((Y_2 + B_precalculate)); + const unsigned char B_3 = float_to_char((Y_3 + B_precalculate)); + const unsigned char B_4 = float_to_char((Y_4 + B_precalculate)); + + *(bgra_addr + x) = (B_1 << 0)| (G_1 << 8) | (R_1 << 16) | (255 << 24); + *(bgra_addr + x + 1) = (B_2 << 0)| (G_2 << 8) | (R_2 << 16) | (255 << 24); + *(bgra_addr + x + width) = (B_3 << 0)| (G_3 << 8) | (R_3 << 16) | (255 << 24); + *(bgra_addr + x + width + 1) = (B_4 << 0)| (G_4 << 8) | (R_4 << 16) | (255 << 24); + } +} + + +/* + * yuv_to_rgb_w32() + * + * processes to line of yuv-input, width has to be a multiple of 32 + * two lines of yuv are taken as input + * + * @param y_addr address of the y plane in local store + * @param v_addr address of the v plane in local store + * @param u_addr address of the u plane in local store + * @param bgra_addr_ address of the bgra output buffer + * @param width the width in pixel + */ +void yuv_to_rgb_w32_line(unsigned char* y_addr, unsigned char* v_addr, unsigned char* u_addr, unsigned char* bgra_addr_, unsigned int width) { + // each pixel is stored as an integer + unsigned int* bgra_addr = (unsigned int*) bgra_addr_; + + unsigned int x; + for(x = 0; x < width; x+=32) { + // Gehe zweischrittig durch die zeile, da jeder u und v wert fuer 4 pixel(zwei hoch, zwei breit) gilt + + const vector unsigned char vchar_Y_1 = *((vector unsigned char*)(y_addr + x)); + const vector unsigned char vchar_Y_2 = *((vector unsigned char*)(y_addr + x + 16)); + const vector unsigned char vchar_Y_3 = *((vector unsigned char*)(y_addr + x + width)); + const vector unsigned char vchar_Y_4 = *((vector unsigned char*)(y_addr + x + width + 16)); + const vector unsigned char vchar_U = *((vector unsigned char*)(u_addr + (x >> 1))); + const vector unsigned char vchar_V = *((vector unsigned char*)(v_addr + (x >> 1))); + + const vector float vfloat_U_1 = spu_add(spu_convtf((vector unsigned int)spu_shuffle(vec_null, vchar_U, vec_char2int_first), 0),vec_minus_128); + const vector float vfloat_U_2 = spu_add(spu_convtf((vector unsigned int)spu_shuffle(vec_null, vchar_U, vec_char2int_second), 0),vec_minus_128); + const vector float vfloat_U_3 = spu_add(spu_convtf((vector unsigned int)spu_shuffle(vec_null, vchar_U, vec_char2int_third), 0),vec_minus_128); + const vector float vfloat_U_4 = spu_add(spu_convtf((vector unsigned int)spu_shuffle(vec_null, vchar_U, vec_char2int_fourth), 0),vec_minus_128); + + const vector float vfloat_V_1 = spu_add(spu_convtf((vector unsigned int)spu_shuffle(vec_null, vchar_V, vec_char2int_first), 0),vec_minus_128); + const vector float vfloat_V_2 = spu_add(spu_convtf((vector unsigned int)spu_shuffle(vec_null, vchar_V, vec_char2int_second), 0),vec_minus_128); + const vector float vfloat_V_3 = spu_add(spu_convtf((vector unsigned int)spu_shuffle(vec_null, vchar_V, vec_char2int_third), 0),vec_minus_128); + const vector float vfloat_V_4 = spu_add(spu_convtf((vector unsigned int)spu_shuffle(vec_null, vchar_V, vec_char2int_fourth), 0),vec_minus_128); + + vector float Y_1 = spu_convtf((vector unsigned int)spu_shuffle(vec_null, vchar_Y_1, vec_char2int_first), 0); + vector float Y_2 = spu_convtf((vector unsigned int)spu_shuffle(vec_null, vchar_Y_1, vec_char2int_second), 0); + vector float Y_3 = spu_convtf((vector unsigned int)spu_shuffle(vec_null, vchar_Y_1, vec_char2int_third), 0); + vector float Y_4 = spu_convtf((vector unsigned int)spu_shuffle(vec_null, vchar_Y_1, vec_char2int_fourth), 0); + vector float Y_5 = spu_convtf((vector unsigned int)spu_shuffle(vec_null, vchar_Y_2, vec_char2int_first), 0); + vector float Y_6 = spu_convtf((vector unsigned int)spu_shuffle(vec_null, vchar_Y_2, vec_char2int_second), 0); + vector float Y_7 = spu_convtf((vector unsigned int)spu_shuffle(vec_null, vchar_Y_2, vec_char2int_third), 0); + vector float Y_8 = spu_convtf((vector unsigned int)spu_shuffle(vec_null, vchar_Y_2, vec_char2int_fourth), 0); + vector float Y_9 = spu_convtf((vector unsigned int)spu_shuffle(vec_null, vchar_Y_3, vec_char2int_first), 0); + vector float Y_10 = spu_convtf((vector unsigned int)spu_shuffle(vec_null, vchar_Y_3, vec_char2int_second), 0); + vector float Y_11 = spu_convtf((vector unsigned int)spu_shuffle(vec_null, vchar_Y_3, vec_char2int_third), 0); + vector float Y_12 = spu_convtf((vector unsigned int)spu_shuffle(vec_null, vchar_Y_3, vec_char2int_fourth), 0); + vector float Y_13 = spu_convtf((vector unsigned int)spu_shuffle(vec_null, vchar_Y_4, vec_char2int_first), 0); + vector float Y_14 = spu_convtf((vector unsigned int)spu_shuffle(vec_null, vchar_Y_4, vec_char2int_second), 0); + vector float Y_15 = spu_convtf((vector unsigned int)spu_shuffle(vec_null, vchar_Y_4, vec_char2int_third), 0); + vector float Y_16 = spu_convtf((vector unsigned int)spu_shuffle(vec_null, vchar_Y_4, vec_char2int_fourth), 0); + + const vector float R1a_precalculate = spu_mul(vec_R_precalc_coeff, vfloat_V_1); + const vector float R2a_precalculate = spu_mul(vec_R_precalc_coeff, vfloat_V_2); + const vector float R3a_precalculate = spu_mul(vec_R_precalc_coeff, vfloat_V_3); + const vector float R4a_precalculate = spu_mul(vec_R_precalc_coeff, vfloat_V_4); + + const vector float R1_precalculate = spu_shuffle(R1a_precalculate, R1a_precalculate, vec_select_floats_upper); + const vector float R2_precalculate = spu_shuffle(R1a_precalculate, R1a_precalculate, vec_select_floats_lower); + const vector float R3_precalculate = spu_shuffle(R2a_precalculate, R2a_precalculate, vec_select_floats_upper); + const vector float R4_precalculate = spu_shuffle(R2a_precalculate, R2a_precalculate, vec_select_floats_lower); + const vector float R5_precalculate = spu_shuffle(R3a_precalculate, R3a_precalculate, vec_select_floats_upper); + const vector float R6_precalculate = spu_shuffle(R3a_precalculate, R3a_precalculate, vec_select_floats_lower); + const vector float R7_precalculate = spu_shuffle(R4a_precalculate, R4a_precalculate, vec_select_floats_upper); + const vector float R8_precalculate = spu_shuffle(R4a_precalculate, R4a_precalculate, vec_select_floats_lower); + + + const vector float G1a_precalculate = spu_madd(vec_Gu_precalc_coeff, vfloat_U_1, spu_mul(vfloat_V_1, vec_Gv_precalc_coeff)); + const vector float G2a_precalculate = spu_madd(vec_Gu_precalc_coeff, vfloat_U_2, spu_mul(vfloat_V_2, vec_Gv_precalc_coeff)); + const vector float G3a_precalculate = spu_madd(vec_Gu_precalc_coeff, vfloat_U_3, spu_mul(vfloat_V_3, vec_Gv_precalc_coeff)); + const vector float G4a_precalculate = spu_madd(vec_Gu_precalc_coeff, vfloat_U_4, spu_mul(vfloat_V_4, vec_Gv_precalc_coeff)); + + const vector float G1_precalculate = spu_shuffle(G1a_precalculate, G1a_precalculate, vec_select_floats_upper); + const vector float G2_precalculate = spu_shuffle(G1a_precalculate, G1a_precalculate, vec_select_floats_lower); + const vector float G3_precalculate = spu_shuffle(G2a_precalculate, G2a_precalculate, vec_select_floats_upper); + const vector float G4_precalculate = spu_shuffle(G2a_precalculate, G2a_precalculate, vec_select_floats_lower); + const vector float G5_precalculate = spu_shuffle(G3a_precalculate, G3a_precalculate, vec_select_floats_upper); + const vector float G6_precalculate = spu_shuffle(G3a_precalculate, G3a_precalculate, vec_select_floats_lower); + const vector float G7_precalculate = spu_shuffle(G4a_precalculate, G4a_precalculate, vec_select_floats_upper); + const vector float G8_precalculate = spu_shuffle(G4a_precalculate, G4a_precalculate, vec_select_floats_lower); + + + const vector float B1a_precalculate = spu_mul(vec_B_precalc_coeff, vfloat_U_1); + const vector float B2a_precalculate = spu_mul(vec_B_precalc_coeff, vfloat_U_2); + const vector float B3a_precalculate = spu_mul(vec_B_precalc_coeff, vfloat_U_3); + const vector float B4a_precalculate = spu_mul(vec_B_precalc_coeff, vfloat_U_4); + + const vector float B1_precalculate = spu_shuffle(B1a_precalculate, B1a_precalculate, vec_select_floats_upper); + const vector float B2_precalculate = spu_shuffle(B1a_precalculate, B1a_precalculate, vec_select_floats_lower); + const vector float B3_precalculate = spu_shuffle(B2a_precalculate, B2a_precalculate, vec_select_floats_upper); + const vector float B4_precalculate = spu_shuffle(B2a_precalculate, B2a_precalculate, vec_select_floats_lower); + const vector float B5_precalculate = spu_shuffle(B3a_precalculate, B3a_precalculate, vec_select_floats_upper); + const vector float B6_precalculate = spu_shuffle(B3a_precalculate, B3a_precalculate, vec_select_floats_lower); + const vector float B7_precalculate = spu_shuffle(B4a_precalculate, B4a_precalculate, vec_select_floats_upper); + const vector float B8_precalculate = spu_shuffle(B4a_precalculate, B4a_precalculate, vec_select_floats_lower); + + + const vector unsigned int R_1 = vfloat_to_vuint(spu_add( Y_1, R1_precalculate)); + const vector unsigned int R_2 = vfloat_to_vuint(spu_add( Y_2, R2_precalculate)); + const vector unsigned int R_3 = vfloat_to_vuint(spu_add( Y_3, R3_precalculate)); + const vector unsigned int R_4 = vfloat_to_vuint(spu_add( Y_4, R4_precalculate)); + const vector unsigned int R_5 = vfloat_to_vuint(spu_add( Y_5, R5_precalculate)); + const vector unsigned int R_6 = vfloat_to_vuint(spu_add( Y_6, R6_precalculate)); + const vector unsigned int R_7 = vfloat_to_vuint(spu_add( Y_7, R7_precalculate)); + const vector unsigned int R_8 = vfloat_to_vuint(spu_add( Y_8, R8_precalculate)); + const vector unsigned int R_9 = vfloat_to_vuint(spu_add( Y_9, R1_precalculate)); + const vector unsigned int R_10 = vfloat_to_vuint(spu_add(Y_10, R2_precalculate)); + const vector unsigned int R_11 = vfloat_to_vuint(spu_add(Y_11, R3_precalculate)); + const vector unsigned int R_12 = vfloat_to_vuint(spu_add(Y_12, R4_precalculate)); + const vector unsigned int R_13 = vfloat_to_vuint(spu_add(Y_13, R5_precalculate)); + const vector unsigned int R_14 = vfloat_to_vuint(spu_add(Y_14, R6_precalculate)); + const vector unsigned int R_15 = vfloat_to_vuint(spu_add(Y_15, R7_precalculate)); + const vector unsigned int R_16 = vfloat_to_vuint(spu_add(Y_16, R8_precalculate)); + + const vector unsigned int G_1 = vfloat_to_vuint(spu_add( Y_1, G1_precalculate)); + const vector unsigned int G_2 = vfloat_to_vuint(spu_add( Y_2, G2_precalculate)); + const vector unsigned int G_3 = vfloat_to_vuint(spu_add( Y_3, G3_precalculate)); + const vector unsigned int G_4 = vfloat_to_vuint(spu_add( Y_4, G4_precalculate)); + const vector unsigned int G_5 = vfloat_to_vuint(spu_add( Y_5, G5_precalculate)); + const vector unsigned int G_6 = vfloat_to_vuint(spu_add( Y_6, G6_precalculate)); + const vector unsigned int G_7 = vfloat_to_vuint(spu_add( Y_7, G7_precalculate)); + const vector unsigned int G_8 = vfloat_to_vuint(spu_add( Y_8, G8_precalculate)); + const vector unsigned int G_9 = vfloat_to_vuint(spu_add( Y_9, G1_precalculate)); + const vector unsigned int G_10 = vfloat_to_vuint(spu_add(Y_10, G2_precalculate)); + const vector unsigned int G_11 = vfloat_to_vuint(spu_add(Y_11, G3_precalculate)); + const vector unsigned int G_12 = vfloat_to_vuint(spu_add(Y_12, G4_precalculate)); + const vector unsigned int G_13 = vfloat_to_vuint(spu_add(Y_13, G5_precalculate)); + const vector unsigned int G_14 = vfloat_to_vuint(spu_add(Y_14, G6_precalculate)); + const vector unsigned int G_15 = vfloat_to_vuint(spu_add(Y_15, G7_precalculate)); + const vector unsigned int G_16 = vfloat_to_vuint(spu_add(Y_16, G8_precalculate)); + + const vector unsigned int B_1 = vfloat_to_vuint(spu_add( Y_1, B1_precalculate)); + const vector unsigned int B_2 = vfloat_to_vuint(spu_add( Y_2, B2_precalculate)); + const vector unsigned int B_3 = vfloat_to_vuint(spu_add( Y_3, B3_precalculate)); + const vector unsigned int B_4 = vfloat_to_vuint(spu_add( Y_4, B4_precalculate)); + const vector unsigned int B_5 = vfloat_to_vuint(spu_add( Y_5, B5_precalculate)); + const vector unsigned int B_6 = vfloat_to_vuint(spu_add( Y_6, B6_precalculate)); + const vector unsigned int B_7 = vfloat_to_vuint(spu_add( Y_7, B7_precalculate)); + const vector unsigned int B_8 = vfloat_to_vuint(spu_add( Y_8, B8_precalculate)); + const vector unsigned int B_9 = vfloat_to_vuint(spu_add( Y_9, B1_precalculate)); + const vector unsigned int B_10 = vfloat_to_vuint(spu_add(Y_10, B2_precalculate)); + const vector unsigned int B_11 = vfloat_to_vuint(spu_add(Y_11, B3_precalculate)); + const vector unsigned int B_12 = vfloat_to_vuint(spu_add(Y_12, B4_precalculate)); + const vector unsigned int B_13 = vfloat_to_vuint(spu_add(Y_13, B5_precalculate)); + const vector unsigned int B_14 = vfloat_to_vuint(spu_add(Y_14, B6_precalculate)); + const vector unsigned int B_15 = vfloat_to_vuint(spu_add(Y_15, B7_precalculate)); + const vector unsigned int B_16 = vfloat_to_vuint(spu_add(Y_16, B8_precalculate)); + + *((vector unsigned int*)(bgra_addr + x)) = spu_or(spu_or(vec_alpha, B_1), spu_or(spu_slqwbyte( R_1, 2),spu_slqwbyte(G_1, 1))); + *((vector unsigned int*)(bgra_addr + x + 4)) = spu_or(spu_or(vec_alpha, B_2), spu_or(spu_slqwbyte( R_2, 2),spu_slqwbyte(G_2, 1))); + *((vector unsigned int*)(bgra_addr + x + 8)) = spu_or(spu_or(vec_alpha, B_3), spu_or(spu_slqwbyte( R_3, 2),spu_slqwbyte(G_3, 1))); + *((vector unsigned int*)(bgra_addr + x + 12)) = spu_or(spu_or(vec_alpha, B_4), spu_or(spu_slqwbyte( R_4, 2),spu_slqwbyte(G_4, 1))); + *((vector unsigned int*)(bgra_addr + x + 16)) = spu_or(spu_or(vec_alpha, B_5), spu_or(spu_slqwbyte( R_5, 2),spu_slqwbyte(G_5, 1))); + *((vector unsigned int*)(bgra_addr + x + 20)) = spu_or(spu_or(vec_alpha, B_6), spu_or(spu_slqwbyte( R_6, 2),spu_slqwbyte(G_6, 1))); + *((vector unsigned int*)(bgra_addr + x + 24)) = spu_or(spu_or(vec_alpha, B_7), spu_or(spu_slqwbyte( R_7, 2),spu_slqwbyte(G_7, 1))); + *((vector unsigned int*)(bgra_addr + x + 28)) = spu_or(spu_or(vec_alpha, B_8), spu_or(spu_slqwbyte( R_8, 2),spu_slqwbyte(G_8, 1))); + *((vector unsigned int*)(bgra_addr + x + width)) = spu_or(spu_or(vec_alpha, B_9), spu_or(spu_slqwbyte( R_9, 2),spu_slqwbyte(G_9, 1))); + *((vector unsigned int*)(bgra_addr + x + width + 4)) = spu_or(spu_or(vec_alpha, B_10), spu_or(spu_slqwbyte(R_10, 2),spu_slqwbyte(G_10, 1))); + *((vector unsigned int*)(bgra_addr + x + width + 8)) = spu_or(spu_or(vec_alpha, B_11), spu_or(spu_slqwbyte(R_11, 2),spu_slqwbyte(G_11, 1))); + *((vector unsigned int*)(bgra_addr + x + width + 12)) = spu_or(spu_or(vec_alpha, B_12), spu_or(spu_slqwbyte(R_12, 2),spu_slqwbyte(G_12, 1))); + *((vector unsigned int*)(bgra_addr + x + width + 16)) = spu_or(spu_or(vec_alpha, B_13), spu_or(spu_slqwbyte(R_13, 2),spu_slqwbyte(G_13, 1))); + *((vector unsigned int*)(bgra_addr + x + width + 20)) = spu_or(spu_or(vec_alpha, B_14), spu_or(spu_slqwbyte(R_14, 2),spu_slqwbyte(G_14, 1))); + *((vector unsigned int*)(bgra_addr + x + width + 24)) = spu_or(spu_or(vec_alpha, B_15), spu_or(spu_slqwbyte(R_15, 2),spu_slqwbyte(G_15, 1))); + *((vector unsigned int*)(bgra_addr + x + width + 28)) = spu_or(spu_or(vec_alpha, B_16), spu_or(spu_slqwbyte(R_16, 2),spu_slqwbyte(G_16, 1))); + } +} + |