mirror of
https://github.com/mauiaaron/apple2.git
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Get it compiling and running with 32bit TrueColor
This commit is contained in:
Aaron Culliney
parent
a57b7c129a
commit
faa279f075
336
src/xvideo.c
336
src/xvideo.c
@ -16,6 +16,7 @@
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#include <stdio.h>
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#include <stdlib.h>
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#include <stdint.h>
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#include <unistd.h>
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#include <string.h>
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#include <sys/types.h>
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@ -34,8 +35,6 @@
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#include "misc.h"
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#include "keys.h"
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/* copied from svideo.c (didn't bother to rename!) */
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static unsigned char *svga_GM;
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static unsigned char vga_mem_page_0[SCANWIDTH*SCANHEIGHT]; /* page0 framebuffer */
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static unsigned char vga_mem_page_1[SCANWIDTH*SCANHEIGHT]; /* page1 framebuffer */
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@ -45,13 +44,17 @@ static GC gc;
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static unsigned int width, height; /* window size */
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static int screen_num;
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static Visual* visual;
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static XVisualInfo visualinfo;
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static XColor colors[256];
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XImage *image;
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static Colormap cmap;
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XEvent xevent;
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static uint32_t red_shift;
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static uint32_t green_shift;
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static uint32_t blue_shift;
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static uint32_t alpha_shift;
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int doShm = 1;/* assume true */
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XShmSegmentInfo xshminfo;
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int xshmeventtype;
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@ -62,24 +65,7 @@ int xshmeventtype;
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------------------------------------------------------------------------- */
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void video_setpage(int p)
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{
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if (p == video__current_page) return;
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if (p)
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{
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memcpy(vga_mem_page_0,svga_GM,SCANWIDTH*SCANHEIGHT);
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memcpy(svga_GM,vga_mem_page_1,SCANWIDTH*SCANHEIGHT);
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video__current_page = 1;
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video__fb1 = vga_mem_page_0;
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video__fb2 = svga_GM;
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}
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else
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{
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memcpy(vga_mem_page_1,svga_GM,SCANWIDTH*SCANHEIGHT);
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memcpy(svga_GM,vga_mem_page_0,SCANWIDTH*SCANHEIGHT);
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video__current_page = 0;
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video__fb1 = svga_GM;
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video__fb2 = vga_mem_page_1;
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}
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video__current_page = p;
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}
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/*
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@ -100,39 +86,35 @@ static void getshm(int size) {
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do
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{
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id = shmget((key_t) key, 0, 0777);
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if (id != -1)
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{
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/* we got someone else's ID. check if it's stale. */
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printf("Found shared memory key=`%c%c%c%c', id=%d\n",
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(key & 0xff000000)>>24,
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(key & 0xff0000)>>16,
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(key & 0xff00)>>8,
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(key & 0xff),
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id
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);
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rc=shmctl(id, IPC_STAT, &shminfo); /* get stats */
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if (!rc) {
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/* someone's using the emulator */
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if (shminfo.shm_nattch) {
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printf( "User uid=%d, key=`%c%c%c%c' appears to be running "
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"the emulator.\n",
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shminfo.shm_perm.cuid,
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(key & 0xff000000)>>24,
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(key & 0xff0000)>>16,
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(key & 0xff00)>>8,
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(key & 0xff)
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);
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++key; /* increase the key count */
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if (id == -1) {
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/* no stale ID's */
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id = shmget((key_t)key, size, IPC_CREAT|0777);
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if (id == -1) {
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perror("shmget");
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printf("Could not get shared memory\n");
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++key;
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}
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/* found a stale ID. */
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else {
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/* it's my stale ID */
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break;
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} else {
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/* we got someone else's ID. check if it's stale. */
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printf("Found shared memory key=`%c%c%c%c', id=%d\n", (key & 0xff000000)>>24, (key & 0xff0000)>>16, (key & 0xff00)>>8, (key & 0xff), id);
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rc=shmctl(id, IPC_STAT, &shminfo); /* get stats */
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if (rc) {
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/* error. what to do now? */
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perror("shmctl");
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printf("Could not get stats on key=`%c%c%c%c', id=%d\n", (key & 0xff000000)>>24, (key & 0xff0000)>>16, (key & 0xff00)>>8, (key & 0xff), id);
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++key;
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} else {
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if (shminfo.shm_nattch) {
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printf( "User uid=%d, key=`%c%c%c%c' appears to be running the emulator.\n", shminfo.shm_perm.cuid, (key & 0xff000000)>>24, (key & 0xff0000)>>16, (key & 0xff00)>>8, (key & 0xff));
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++key; /* increase the key count */
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} else {
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if (getuid() == shminfo.shm_perm.cuid) {
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/* it's my stale ID */
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rc = shmctl(id, IPC_RMID, 0);
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if (!rc)
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if (!rc) {
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printf("Was able to kill my old shared memory\n");
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else {
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} else {
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perror("shmctl");
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printf("Was NOT able to kill my old shared memory\n");
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}
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@ -149,60 +131,26 @@ static void getshm(int size) {
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}
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break;
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}
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/* not my ID, but maybe we can use it */
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if (size == shminfo.shm_segsz) {
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printf( "Will use stale shared memory of uid=%d\n",
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shminfo.shm_perm.cuid);
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/* not my ID, but maybe we can use it */
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printf("Will use stale shared memory of uid=%d\n", shminfo.shm_perm.cuid);
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break;
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}
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/* not my ID, and we can't use it */
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else {
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printf( "Can't use stale shared memory belonging to uid=%d, "
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"key=`%c%c%c%c', id=%d\n",
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shminfo.shm_perm.cuid,
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(key & 0xff000000)>>24,
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(key & 0xff0000)>>16,
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(key & 0xff00)>>8,
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(key & 0xff),
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id
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);
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printf("Can't use stale shared memory belonging to uid=%d, key=`%c%c%c%c', id=%d\n", shminfo.shm_perm.cuid, (key & 0xff000000)>>24, (key & 0xff0000)>>16, (key & 0xff00)>>8, (key & 0xff), id);
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++key;
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}
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}
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}
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else
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{
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/* oops. what to do now? */
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perror("shmctl");
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printf( "Could not get stats on key=`%c%c%c%c', id=%d\n",
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(key & 0xff000000)>>24,
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(key & 0xff0000)>>16,
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(key & 0xff00)>>8,
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(key & 0xff),
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id
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);
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++key;
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}
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}
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else
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{
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/* no stale ID's */
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id = shmget((key_t)key, size, IPC_CREAT|0777);
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if (id == -1) {
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perror("shmget");
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printf("Could not get shared memory\n");
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++key;
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}
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break;
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}
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} while (--counter);
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if (!counter)
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{
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printf( "System has too many stale/used "
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"shared memory segments!\n");
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if (!counter) {
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printf( "System has too many stale/used shared memory segments!\n");
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}
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xshminfo.shmid = id;
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@ -216,13 +164,7 @@ static void getshm(int size) {
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exit(1);
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}
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printf( "Using shared memory key=`%c%c%c%c', id=%d, addr=0x%x\n",
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(key & 0xff000000)>>24,
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(key & 0xff0000)>>16,
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(key & 0xff00)>>8,
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(key & 0xff),
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id,
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(int) (image->data));
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printf("Using shared memory key=`%c%c%c%c', id=%d, addr=%p\n", (key & 0xff000000)>>24, (key & 0xff0000)>>16, (key & 0xff00)>>8, (key & 0xff), id, image->data);
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}
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@ -231,8 +173,6 @@ static void c_initialize_colors() {
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static int firstcall = 1;
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int c,i,j;
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if (visualinfo.class == PseudoColor && visualinfo.depth == 8)
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{
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/* initialize the colormap */
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if (firstcall) {
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firstcall = 0;
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@ -246,11 +186,11 @@ static void c_initialize_colors() {
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for (i = 0; i < 8; i++) {
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for (j = 0; j < 3; j++) {
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c = (i & 1) ? col2[ j ] : 0;
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colors[ j+i*3+32].red = (c<<8) + c;
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colors[ j+i*3+32].red = c;
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c = (i & 2) ? col2[ j ] : 0;
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colors[ j+i*3+32].green = (c<<8) + c;
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colors[ j+i*3+32].green = c;
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c = (i & 4) ? col2[ j ] : 0;
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colors[ j+i*3+32].blue = (c<<8) + c;
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colors[ j+i*3+32].blue = c;
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}
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}
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colors[ COLOR_FLASHING_BLACK].red = 0;
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@ -341,9 +281,9 @@ static void c_initialize_colors() {
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colors[i<<4].green = (colors[i<<4].green<<8) | colors[i<<4].green;
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colors[i<<4].blue = (colors[i<<4].blue<<8) | colors[i<<4].blue;
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}
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// store the colors to the current colormap
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XStoreColors(display, cmap, colors, 256);
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}
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//XStoreColors(display, cmap, colors, 256);
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}
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@ -459,6 +399,22 @@ static int keysym_to_scancode(void) {
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}
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static void post_image() {
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// copy Apple //e video memory into XImage uint32_t buffer
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uint8_t *fb = !video__current_page ? video__fb1 : video__fb2;
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uint8_t index;
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unsigned int count = SCANWIDTH * SCANHEIGHT;
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for (unsigned int i=0, j=0; i<count; i++, j+=4) {
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index = *(fb + i);
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*( (uint32_t*)(image->data + j) ) = (uint32_t)(
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((uint32_t)(colors[index].red) << red_shift) |
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((uint32_t)(colors[index].green) << green_shift) |
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((uint32_t)(colors[index].blue) << blue_shift) |
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((uint32_t)0xff /* alpha */ << alpha_shift)
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);
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}
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// post image...
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if (doShm) {
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if (!XShmPutImage(
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display,
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@ -506,7 +462,7 @@ static void c_flash_cursor(int on) {
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}
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// store the colors to the current colormap
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XStoreColors(display, cmap, colors, 256);
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//XStoreColors(display, cmap, colors, 256);
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}
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}
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@ -556,25 +512,27 @@ POLL_FINISHED:
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}
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}
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#if 0
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static Cursor hidecursor() {
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Pixmap cursormask;
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XGCValues xgc;
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XColor dummycolour;
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Cursor cursor;
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GC cursor_gc;
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cursormask = XCreatePixmap(display, win, 1, 1, 1/*depth*/);
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xgc.function = GXclear;
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gc = XCreateGC(display, cursormask, GCFunction, &xgc);
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cursor_gc = XCreateGC(display, cursormask, GCFunction, &xgc);
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XFillRectangle(display, cursormask, gc, 0, 0, 1, 1);
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dummycolour.pixel = 0;
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dummycolour.red = 0;
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dummycolour.flags = 04;
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cursor = XCreatePixmapCursor(display, cursormask, cursormask,
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&dummycolour,&dummycolour, 0,0);
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cursor = XCreatePixmapCursor(display, cursormask, cursormask, &dummycolour,&dummycolour, 0,0);
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XFreePixmap(display,cursormask);
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XFreeGC(display,gc);
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XFreeGC(display,cursor_gc);
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return cursor;
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}
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#endif
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static void parseArgs() {
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int i;
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@ -605,8 +563,8 @@ void video_init() {
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progname = argv[0];
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/* give up root privileges. equivalent of vga_init() */
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setegid(getgid());
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seteuid(getuid());
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//setegid(getgid());
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//seteuid(getuid());
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parseArgs();
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@ -631,20 +589,56 @@ void video_init() {
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exit(1);
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}
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/* get screen size from display structure macro */
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screen_num = DefaultScreen(display);
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if (!XMatchVisualInfo(display, screen_num, 8, PseudoColor, &visualinfo)) {
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fprintf(stderr,
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"Sorry bud, xapple2 only supports "
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"8bit PseudoColor displays.\n"
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"Maybe you can fix this!\n");
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// Note that in a real Xlib application, we would support more than the default visual :-P
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//visual = DefaultVisual(display, screen_num);
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//XVisualInfo *visuals_list=NULL;
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//visualinfo.screen=screen_num;
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/*
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int numvisuals=0;
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if (!(visuals_list = XGetVisualInfo(display, VisualScreenMask, &visualinfo, &numvisuals))) {
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fprintf(stderr, "XGetVisualInfo() failed...");
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exit(1);
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}
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visualinfo = visuals_list[0];
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if ( (visualinfo.class == PseudoColor) || (visualinfo.depth == 8) ) {
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fprintf(stderr, "PseudoColor or 8bit color is unimplemented, FIXME!");
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exit(1);
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}
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XFree(visuals_list);
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*/
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if (!XMatchVisualInfo(display, XDefaultScreen(display), 32, TrueColor, &visualinfo))
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{
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fprintf(stderr, "no such visual\n");
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exit(1);
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}
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visual = visualinfo.visual;
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//display_width = DisplayWidth(display, screen_num);
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//display_height = DisplayHeight(display, screen_num);
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/* Note that in a real application, x and y would default to 0
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// determine mask bits ...
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// red_mask: 00ff0000
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// green_mask: 0000ff00
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// blue_mask: 000000ff
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// bits_per_rgb: 8
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unsigned int shift = 0;
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for (unsigned int i=0; i<4; i++) {
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if ((((uint32_t)visualinfo.red_mask >>shift) & 0xff) == (uint32_t)0xff) {
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red_shift = shift;
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} else if ((((uint32_t)visualinfo.green_mask>>shift) & 0xff) == (uint32_t)0xff) {
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green_shift = shift;
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} else if ((((uint32_t)visualinfo.blue_mask >>shift) & 0xff) == (uint32_t)0xff) {
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blue_shift = shift;
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} else {
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alpha_shift = shift;
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}
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shift += 8;
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}
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if ((!red_shift) && (!green_shift) && (!blue_shift)) {
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fprintf(stderr, "Could not calculate red/green/blue color masks...\n");
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exit(1);
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}
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fprintf(stderr, "red mask:%08x green mask:%08x blue mask:%08x\n", (uint32_t)visualinfo.red_mask, (uint32_t)visualinfo.blue_mask, (uint32_t)visualinfo.green_mask);
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fprintf(stderr, "redshift:%08d greenshift:%08d blueshift:%08d alphashift:%08d\n", red_shift, blue_shift, green_shift, alpha_shift);
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/* Note that in a real Xlib application, x and y would default to 0
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* but would be settable from the command line or resource database.
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*/
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x = y = 0;
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@ -654,63 +648,44 @@ void video_init() {
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if (doShm) {
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/* make sure we have it */
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doShm = XShmQueryExtension(display);
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}
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/* and it's a local connection */
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if (!displayname)
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displayname = getenv("DISPLAY");
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if (displayname)
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{
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if ((*displayname != ':') || !doShm) {
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printf("Cannot run MITSHM version of emulator "
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"with display \"%s\"\n"
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"Try something like \":0.0\". "
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"Reverting to regular X with no sound.\n",
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displayname);
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doShm = 0;
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soundAllowed=0;
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c_initialize_sound();
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}
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}
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} else {
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/* and it's a local connection */
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if (!displayname)
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displayname = getenv("DISPLAY");
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if (displayname)
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{
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if (displayname) {
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if (*displayname != ':') {
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printf("Sound not allowed for remote display \"%s\".\n",
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printf("NOTE: Sound not allowed for remote display \"%s\".\n", displayname);
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if (doShm) {
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printf("NOTE: Cannot run MITSHM version of emulator with display \"%s\"\n"
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"Try setting DISPLAY to something like \":0.0\"...Reverting to regular X.\n",
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displayname);
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soundAllowed=0;
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c_initialize_sound();
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}
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doShm=0;
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soundAllowed=0;
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}
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}
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/* initialize colors */
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cmap = XCreateColormap(display, RootWindow(display, screen_num),
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visual, AllocAll);
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c_initialize_colors();
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cmap = XCreateColormap(display, XDefaultRootWindow(display), visualinfo.visual, AllocNone);
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//XStoreColors(display, cmap, colors, 256);
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attribs.colormap = cmap;
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attribs.border_pixel = 0;
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/* select event types wanted */
|
||||
attribmask = CWEventMask | CWColormap | CWBorderPixel;/* HACK CWBorderPixel? */
|
||||
attribs.event_mask =
|
||||
KeyPressMask
|
||||
| KeyReleaseMask
|
||||
| ExposureMask;
|
||||
attribs.event_mask = KeyPressMask | KeyReleaseMask | ExposureMask;
|
||||
|
||||
/* create opaque window */
|
||||
win = XCreateWindow(display, RootWindow(display,screen_num),
|
||||
win = XCreateWindow(display, RootWindow(display, screen_num),
|
||||
x, y, width, height,
|
||||
0,/* border_width */
|
||||
8,/* depth */
|
||||
visualinfo.depth,/* depth */
|
||||
InputOutput,
|
||||
visual,
|
||||
visualinfo.visual,
|
||||
attribmask,
|
||||
&attribs);
|
||||
|
||||
|
||||
/* set size hints for window manager. We don't want the user to
|
||||
* dynamically allocate window size since we won't do the right
|
||||
* scaling in response. Whaddya want, performance or a snazzy gui?
|
||||
@ -732,6 +707,7 @@ void video_init() {
|
||||
exit(1);
|
||||
}
|
||||
|
||||
// set up window manager hints...
|
||||
wm_hints->initial_state = NormalState;
|
||||
wm_hints->input = True;
|
||||
wm_hints->flags = StateHint | IconPixmapHint/* | InputHint*/;
|
||||
@ -743,16 +719,13 @@ void video_init() {
|
||||
argv, argc, size_hints, wm_hints,
|
||||
class_hints);
|
||||
|
||||
XDefineCursor(display, win, hidecursor(display, win));
|
||||
// FIXME!!!!! hidecursor segfaults
|
||||
//XDefineCursor(display, win, hidecursor(display, win));
|
||||
|
||||
/* create the GC */
|
||||
valuemask = GCGraphicsExposures;
|
||||
xgcvalues.graphics_exposures = False;
|
||||
/*gc = */XCreateGC(
|
||||
display,
|
||||
win,
|
||||
valuemask,
|
||||
&xgcvalues);
|
||||
gc = XCreateGC(display, win, valuemask, &xgcvalues);
|
||||
|
||||
/* display window */
|
||||
XMapWindow(display, win);
|
||||
@ -768,29 +741,25 @@ void video_init() {
|
||||
}
|
||||
}
|
||||
|
||||
// pad pixels to uint32_t boundaries
|
||||
int bitmap_pad = sizeof(uint32_t);
|
||||
int pixel_buffer_size = SCANWIDTH*SCANHEIGHT*bitmap_pad;
|
||||
|
||||
xshmeventtype = XShmGetEventBase(display) + ShmCompletion;
|
||||
|
||||
/* create the image */
|
||||
if (doShm) {
|
||||
image = XShmCreateImage(
|
||||
display,
|
||||
visual,
|
||||
8,
|
||||
ZPixmap,
|
||||
0,
|
||||
&xshminfo,
|
||||
SCANWIDTH,
|
||||
SCANHEIGHT);
|
||||
image = XShmCreateImage(display, visualinfo.visual, visualinfo.depth, ZPixmap, NULL, &xshminfo, SCANWIDTH, SCANHEIGHT);
|
||||
|
||||
if (!image) {
|
||||
fprintf(stderr, "XShmCreateImage failed\n");
|
||||
exit(1);
|
||||
}
|
||||
|
||||
printf("Allocating shared memory %dx%d region\n",
|
||||
image->bytes_per_line, image->height);
|
||||
printf("Allocating shared memory: bytes_per_line:%ds height:x%d (depth:%d) bitmap_pad:%d\n",
|
||||
image->bytes_per_line, image->height, visualinfo.depth, bitmap_pad);
|
||||
|
||||
getshm(image->bytes_per_line * image->height);
|
||||
getshm(pixel_buffer_size);
|
||||
|
||||
/* get the X server to attach to it */
|
||||
if (!XShmAttach(display, &xshminfo)) {
|
||||
@ -798,37 +767,26 @@ void video_init() {
|
||||
exit(1);
|
||||
}
|
||||
} else {
|
||||
char *data = malloc(SCANWIDTH*SCANHEIGHT*sizeof(unsigned char));
|
||||
void *data = malloc(pixel_buffer_size); // pad to uint32_t
|
||||
if (!data) {
|
||||
fprintf(stderr, "no memory for image data!\n");
|
||||
exit(1);
|
||||
}
|
||||
printf("Creating regular XImage\n");
|
||||
image = XCreateImage(
|
||||
display,
|
||||
visual,
|
||||
8,
|
||||
ZPixmap,
|
||||
0,
|
||||
data,
|
||||
SCANWIDTH,
|
||||
SCANHEIGHT,
|
||||
8/*bitmap_pad*/,
|
||||
SCANWIDTH/*bytes_per_line*/);
|
||||
image = XCreateImage(display, visualinfo.visual, visualinfo.depth, ZPixmap, 0/*offset*/, data, SCANWIDTH, SCANHEIGHT, 8, SCANWIDTH*bitmap_pad/*bytes_per_line*/);
|
||||
|
||||
if (!image) {
|
||||
fprintf(stderr, "XCreateImage failed\n");
|
||||
exit(1);
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
svga_GM = video__fb1 = (unsigned char*)image->data;
|
||||
video__fb1 = vga_mem_page_0;
|
||||
video__fb2 = vga_mem_page_1;
|
||||
|
||||
// reset Apple2 softframebuffers
|
||||
memset(video__fb1,0,SCANWIDTH*SCANHEIGHT);
|
||||
memset(video__fb2,0,SCANWIDTH*SCANHEIGHT);
|
||||
|
||||
}
|
||||
|
||||
void video_shutdown(void)
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user