void *AntiAliasOperation::initializeTileData(rcti *rect) { if (this->m_buffer) { return this->m_buffer; } lockMutex(); if (this->m_buffer == NULL) { MemoryBuffer *tile = (MemoryBuffer *)this->m_valueReader->initializeTileData(rect); int size = tile->getHeight() * tile->getWidth(); float *input = tile->getBuffer(); char *valuebuffer = (char *)MEM_mallocN(sizeof(char) * size, __func__); for (int i = 0; i < size; i++) { float in = input[i * COM_NUMBER_OF_CHANNELS]; valuebuffer[i] = FTOCHAR(in); } antialias_tagbuf(tile->getWidth(), tile->getHeight(), valuebuffer); this->m_buffer = valuebuffer; } unlockMutex(); return this->m_buffer; }
/* stackbuf should be zeroed */ static void do_idmask(CompBuf *stackbuf, CompBuf *cbuf, float idnr) { float *rect; int x; char *abuf= MEM_mapallocN(cbuf->x*cbuf->y, "anti ali buf"); rect= cbuf->rect; for(x= cbuf->x*cbuf->y - 1; x>=0; x--) if(rect[x]==idnr) abuf[x]= 255; antialias_tagbuf(cbuf->x, cbuf->y, abuf); rect= stackbuf->rect; for(x= cbuf->x*cbuf->y - 1; x>=0; x--) if(abuf[x]>1) rect[x]= (1.0f/255.0f)*(float)abuf[x]; MEM_freeN(abuf); }
static void node_composit_exec_zcombine(void *data, bNode *node, bNodeStack **in, bNodeStack **out) { RenderData *rd= data; CompBuf *cbuf= in[0]->data; CompBuf *zbuf; /* stack order in: col z col z */ /* stack order out: col z */ if (out[0]->hasoutput==0 && out[1]->hasoutput==0) return; /* no input image; do nothing now */ if (in[0]->data==NULL) { return; } if (out[1]->hasoutput) { /* copy or make a buffer for for the first z value, here we write result in */ if (in[1]->data) zbuf= dupalloc_compbuf(in[1]->data); else { float *zval; int tot= cbuf->x*cbuf->y; zbuf= alloc_compbuf(cbuf->x, cbuf->y, CB_VAL, 1); for (zval= zbuf->rect; tot; tot--, zval++) *zval= in[1]->vec[0]; } /* lazy coder hack */ node->custom2= 1; out[1]->data= zbuf; } else { node->custom2= 0; zbuf= in[1]->data; } if (rd->scemode & R_FULL_SAMPLE) { /* make output size of first input image */ CompBuf *stackbuf= alloc_compbuf(cbuf->x, cbuf->y, CB_RGBA, 1); // allocs composit4_pixel_processor(node, stackbuf, in[0]->data, in[0]->vec, zbuf, in[1]->vec, in[2]->data, in[2]->vec, in[3]->data, in[3]->vec, do_zcombine, CB_RGBA, CB_VAL, CB_RGBA, CB_VAL); out[0]->data= stackbuf; } else { /* make output size of first input image */ CompBuf *stackbuf= alloc_compbuf(cbuf->x, cbuf->y, CB_RGBA, 1); /* allocs */ CompBuf *mbuf; float *fp; int x; char *aabuf; /* make a mask based on comparison, optionally write zvalue */ mbuf= alloc_compbuf(cbuf->x, cbuf->y, CB_VAL, 1); composit2_pixel_processor(node, mbuf, zbuf, in[1]->vec, in[3]->data, in[3]->vec, do_zcombine_mask, CB_VAL, CB_VAL); /* convert to char */ aabuf= MEM_mallocN(cbuf->x*cbuf->y, "aa buf"); fp= mbuf->rect; for (x= cbuf->x*cbuf->y-1; x>=0; x--) if (fp[x]==0.0f) aabuf[x]= 0; else aabuf[x]= 255; antialias_tagbuf(cbuf->x, cbuf->y, aabuf); /* convert to float */ fp= mbuf->rect; for (x= cbuf->x*cbuf->y-1; x>=0; x--) if (aabuf[x]>1) fp[x]= (1.0f/255.0f)*(float)aabuf[x]; composit3_pixel_processor(node, stackbuf, in[0]->data, in[0]->vec, in[2]->data, in[2]->vec, mbuf, NULL, do_zcombine_add, CB_RGBA, CB_RGBA, CB_VAL); /* free */ free_compbuf(mbuf); MEM_freeN(aabuf); out[0]->data= stackbuf; } }