Added functions
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3 changed files with 42 additions and 3 deletions
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@ -1,5 +1,27 @@
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package sznp.virtualcomputer;
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public interface PXCLib {
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/**
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* Testing only
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* @param px Input array
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* @param out Output array
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* @return 0
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*/
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int convert(int[] px, long[] out);
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/**
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* Set source bitmap
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* @param address Bitmap address from VirtualBox
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* @param w Width of the screen
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* @param h Height of the screen
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* @param mc Total count of maps used for the screen
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*/
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void setSource(long address, int w, int h, int mc);
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/**
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* Updates map and returns it's content
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* @param mapnum Number of the map (0 is first)
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* @return Address of the map data
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*/
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long updateAndGetMap(short mapnum); //TODO: Only update parts that actually updated and return them per-map (flagDirty)
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}
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@ -14,6 +14,6 @@ public class Test {
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ByteBuffer bb = ByteBuffer.allocateDirect(2);
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long[] x = new long[]{Pointer.nativeValue(Native.getDirectBufferPointer(bb))};
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pxc.convert(new int[]{5, 10}, x);
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System.out.println(bb.get(0)); //19 AYY
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System.out.println(bb.get(0)); //19 AYY //TO!DO: Use setSource, we don't want to wrap the native array
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}
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}
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21
libpxc/pxc.c
21
libpxc/pxc.c
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@ -1,13 +1,30 @@
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#include <stdio.h>
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#include <stdlib.h>
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typedef long long int lli;
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#define MAPSIZE 128
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typedef long long int addr;
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void* image=NULL;
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const void* maps=NULL; //Per map data (1st map, second map etc.)
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void setSource(lli address) {
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int width, height, mapc;
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void setSource(addr address, int w, int h, int mc) {
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image=(void*)address;
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maps=malloc(MAPSIZE*MAPSIZE*mc); //1 byte per pixel
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width=w, height=h, mapc=mc;
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}
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//May return 0
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addr updateAndGetMap(short mapnum) {
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if(mapnum<0||mapnum>=mapc) return 0; //Out of bounds
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//TODO: Converter
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//return (long)map+mapx*MAPSIZE + mapy*MAPSIZE*width; - not good, we need to order the data per map
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return (long)maps + MAPSIZE*MAPSIZE*mapnum;
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}
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//Testing only
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int convert(int px[], int *out[]) {
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printf("convert...\n");
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printf("px0: %d\n", px[0]);
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