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-rw-r--r--frontend/X11/keysym.h24
-rw-r--r--frontend/linux/fbdev.c240
-rw-r--r--frontend/linux/fbdev.h12
-rw-r--r--frontend/main.c21
-rw-r--r--frontend/plugin_lib.c54
-rw-r--r--frontend/plugin_lib.h7
6 files changed, 351 insertions, 7 deletions
diff --git a/frontend/X11/keysym.h b/frontend/X11/keysym.h
new file mode 100644
index 0000000..31ad461
--- /dev/null
+++ b/frontend/X11/keysym.h
@@ -0,0 +1,24 @@
+
+#define XK_Return 0xff0d /* Return, enter */
+#define XK_Escape 0xff1b
+#define XK_Control_L 0xffe3 /* Left control */
+#define XK_Control_R 0xffe4 /* Right control */
+#define XK_Alt_L 0xffe9 /* Left alt */
+#define XK_Alt_R 0xffea /* Right alt */
+#define XK_0 0x0030 /* U+0030 DIGIT ZERO */
+#define XK_1 0x0031 /* U+0031 DIGIT ONE */
+#define XK_2 0x0032 /* U+0032 DIGIT TWO */
+#define XK_3 0x0033 /* U+0033 DIGIT THREE */
+#define XK_4 0x0034 /* U+0034 DIGIT FOUR */
+#define XK_5 0x0035 /* U+0035 DIGIT FIVE */
+#define XK_F1 0xffbe
+#define XK_F2 0xffbf
+#define XK_F3 0xffc0
+#define XK_F4 0xffc1
+#define XK_F5 0xffc2
+#define XK_F6 0xffc3
+#define XK_F7 0xffc4
+#define XK_F8 0xffc5
+#define XK_F9 0xffc6
+#define XK_F10 0xffc7
+
diff --git a/frontend/linux/fbdev.c b/frontend/linux/fbdev.c
new file mode 100644
index 0000000..6ae0c77
--- /dev/null
+++ b/frontend/linux/fbdev.c
@@ -0,0 +1,240 @@
+/*
+ * (C) GraÅžvydas "notaz" Ignotas, 2009-2010
+ *
+ * This work is licensed under the terms of the GNU LGPL, version 2.1 or later.
+ * See the COPYING file in the top-level directory.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <sys/ioctl.h>
+#include <sys/mman.h>
+#include <unistd.h>
+#include <linux/fb.h>
+#include <linux/matroxfb.h>
+
+#include "fbdev.h"
+
+#define FBDEV_MAX_BUFFERS 3
+
+struct vout_fbdev {
+ int fd;
+ void *mem;
+ size_t mem_size;
+ struct fb_var_screeninfo fbvar_old;
+ struct fb_var_screeninfo fbvar_new;
+ int buffer_write;
+ int fb_size;
+ int buffer_count;
+ int top_border, bottom_border;
+};
+
+void *vout_fbdev_flip(struct vout_fbdev *fbdev)
+{
+ int draw_buf;
+
+ if (fbdev->buffer_count < 2)
+ return fbdev->mem;
+
+ draw_buf = fbdev->buffer_write;
+ fbdev->buffer_write++;
+ if (fbdev->buffer_write >= fbdev->buffer_count)
+ fbdev->buffer_write = 0;
+
+ fbdev->fbvar_new.yoffset =
+ (fbdev->top_border + fbdev->fbvar_new.yres + fbdev->bottom_border) * draw_buf +
+ fbdev->top_border;
+
+ ioctl(fbdev->fd, FBIOPAN_DISPLAY, &fbdev->fbvar_new);
+
+ return (char *)fbdev->mem + fbdev->fb_size * fbdev->buffer_write;
+}
+
+void vout_fbdev_wait_vsync(struct vout_fbdev *fbdev)
+{
+ int arg = 0;
+ ioctl(fbdev->fd, FBIO_WAITFORVSYNC, &arg);
+}
+
+int vout_fbdev_resize(struct vout_fbdev *fbdev, int w, int h,
+ int left_border, int right_border, int top_border, int bottom_border, int no_dblbuf)
+{
+ int w_total = left_border + w + right_border;
+ int h_total = top_border + h + bottom_border;
+ size_t mem_size;
+ int ret;
+
+ // unblank to be sure the mode is really accepted
+ ioctl(fbdev->fd, FBIOBLANK, FB_BLANK_UNBLANK);
+
+ if (fbdev->fbvar_new.bits_per_pixel != 16 ||
+ w != fbdev->fbvar_new.xres ||
+ h != fbdev->fbvar_new.yres ||
+ w_total != fbdev->fbvar_new.xres_virtual ||
+ h_total > fbdev->fbvar_new.yres_virtual ||
+ left_border != fbdev->fbvar_new.xoffset) {
+ fbdev->fbvar_new.xres = w;
+ fbdev->fbvar_new.yres = h;
+ fbdev->fbvar_new.xres_virtual = w_total;
+ fbdev->fbvar_new.yres_virtual = h_total;
+ fbdev->fbvar_new.xoffset = left_border;
+ fbdev->fbvar_new.bits_per_pixel = 16;
+ printf(" switching to %dx%d@16\n", w, h);
+ ret = ioctl(fbdev->fd, FBIOPUT_VSCREENINFO, &fbdev->fbvar_new);
+ if (ret == -1) {
+ perror("FBIOPUT_VSCREENINFO ioctl");
+ return -1;
+ }
+ }
+
+ fbdev->buffer_count = FBDEV_MAX_BUFFERS; // be optimistic
+ if (no_dblbuf)
+ fbdev->buffer_count = 1;
+
+ if (fbdev->fbvar_new.yres_virtual < h_total * fbdev->buffer_count) {
+ fbdev->fbvar_new.yres_virtual = h_total * fbdev->buffer_count;
+ ret = ioctl(fbdev->fd, FBIOPUT_VSCREENINFO, &fbdev->fbvar_new);
+ if (ret == -1) {
+ fbdev->buffer_count = 1;
+ fprintf(stderr, "Warning: failed to increase virtual resolution, "
+ "doublebuffering disabled\n");
+ }
+ }
+
+ fbdev->fb_size = w_total * h_total * 2;
+ fbdev->top_border = top_border;
+ fbdev->bottom_border = bottom_border;
+
+ mem_size = fbdev->fb_size * fbdev->buffer_count;
+ if (fbdev->mem_size >= mem_size)
+ return 0;
+
+ if (fbdev->mem != NULL)
+ munmap(fbdev->mem, fbdev->mem_size);
+
+ fbdev->mem = mmap(0, mem_size, PROT_WRITE|PROT_READ, MAP_SHARED, fbdev->fd, 0);
+ if (fbdev->mem == MAP_FAILED && fbdev->buffer_count > 1) {
+ fprintf(stderr, "Warning: can't map %zd bytes, doublebuffering disabled\n", fbdev->mem_size);
+ fbdev->buffer_count = 1;
+ mem_size = fbdev->fb_size;
+ fbdev->mem = mmap(0, mem_size, PROT_WRITE|PROT_READ, MAP_SHARED, fbdev->fd, 0);
+ }
+ if (fbdev->mem == MAP_FAILED) {
+ fbdev->mem = NULL;
+ fbdev->mem_size = 0;
+ perror("mmap framebuffer");
+ return -1;
+ }
+
+ fbdev->mem_size = mem_size;
+ return 0;
+}
+
+void vout_fbdev_clear(struct vout_fbdev *fbdev)
+{
+ memset(fbdev->mem, 0, fbdev->mem_size);
+}
+
+void vout_fbdev_clear_lines(struct vout_fbdev *fbdev, int y, int count)
+{
+ int stride = fbdev->fbvar_new.xres_virtual * fbdev->fbvar_new.bits_per_pixel / 8;
+ int i;
+
+ if (y + count > fbdev->top_border + fbdev->fbvar_new.yres)
+ count = fbdev->top_border + fbdev->fbvar_new.yres - y;
+
+ if (y >= 0 && count > 0)
+ for (i = 0; i < fbdev->buffer_count; i++)
+ memset((char *)fbdev->mem + fbdev->fb_size * i + y * stride, 0, stride * count);
+}
+
+int vout_fbdev_get_fd(struct vout_fbdev *fbdev)
+{
+ return fbdev->fd;
+}
+
+struct vout_fbdev *vout_fbdev_init(const char *fbdev_name, int *w, int *h, int no_dblbuf)
+{
+ struct vout_fbdev *fbdev;
+ int req_w, req_h;
+ int ret;
+
+ fbdev = calloc(1, sizeof(*fbdev));
+ if (fbdev == NULL)
+ return NULL;
+
+ fbdev->fd = open(fbdev_name, O_RDWR);
+ if (fbdev->fd == -1) {
+ fprintf(stderr, "%s: ", fbdev_name);
+ perror("open");
+ goto fail_open;
+ }
+
+ ret = ioctl(fbdev->fd, FBIOGET_VSCREENINFO, &fbdev->fbvar_old);
+ if (ret == -1) {
+ perror("FBIOGET_VSCREENINFO ioctl");
+ goto fail;
+ }
+
+ fbdev->fbvar_new = fbdev->fbvar_old;
+
+ req_w = fbdev->fbvar_new.xres;
+ if (*w != 0)
+ req_w = *w;
+ req_h = fbdev->fbvar_new.yres;
+ if (*h != 0)
+ req_h = *h;
+
+ ret = vout_fbdev_resize(fbdev, req_w, req_h, 0, 0, 0, 0, no_dblbuf);
+ if (ret != 0)
+ goto fail;
+
+ printf("%s: %ix%i@%d\n", fbdev_name, fbdev->fbvar_new.xres, fbdev->fbvar_new.yres,
+ fbdev->fbvar_new.bits_per_pixel);
+ *w = fbdev->fbvar_new.xres;
+ *h = fbdev->fbvar_new.yres;
+
+ memset(fbdev->mem, 0, fbdev->mem_size);
+
+ // some checks
+ ret = 0;
+ ret = ioctl(fbdev->fd, FBIO_WAITFORVSYNC, &ret);
+ if (ret != 0)
+ fprintf(stderr, "Warning: vsync doesn't seem to be supported\n");
+
+ if (fbdev->buffer_count > 1) {
+ fbdev->buffer_write = 0;
+ fbdev->fbvar_new.yoffset = fbdev->fbvar_new.yres * (fbdev->buffer_count - 1);
+ ret = ioctl(fbdev->fd, FBIOPAN_DISPLAY, &fbdev->fbvar_new);
+ if (ret != 0) {
+ fbdev->buffer_count = 1;
+ fprintf(stderr, "Warning: can't pan display, doublebuffering disabled\n");
+ }
+ }
+
+ printf("fbdev initialized.\n");
+ return fbdev;
+
+fail:
+ close(fbdev->fd);
+fail_open:
+ free(fbdev);
+ return NULL;
+}
+
+void vout_fbdev_finish(struct vout_fbdev *fbdev)
+{
+ ioctl(fbdev->fd, FBIOPUT_VSCREENINFO, &fbdev->fbvar_old);
+ if (fbdev->mem != MAP_FAILED)
+ munmap(fbdev->mem, fbdev->mem_size);
+ if (fbdev->fd >= 0)
+ close(fbdev->fd);
+ fbdev->mem = NULL;
+ fbdev->fd = -1;
+ free(fbdev);
+}
+
diff --git a/frontend/linux/fbdev.h b/frontend/linux/fbdev.h
new file mode 100644
index 0000000..fa163aa
--- /dev/null
+++ b/frontend/linux/fbdev.h
@@ -0,0 +1,12 @@
+struct vout_fbdev;
+
+struct vout_fbdev *vout_fbdev_init(const char *fbdev_name, int *w, int *h, int no_dblbuf);
+void *vout_fbdev_flip(struct vout_fbdev *fbdev);
+void vout_fbdev_wait_vsync(struct vout_fbdev *fbdev);
+int vout_fbdev_resize(struct vout_fbdev *fbdev, int w, int h,
+ int left_border, int right_border, int top_border, int bottom_border,
+ int no_dblbuf);
+void vout_fbdev_clear(struct vout_fbdev *fbdev);
+void vout_fbdev_clear_lines(struct vout_fbdev *fbdev, int y, int count);
+int vout_fbdev_get_fd(struct vout_fbdev *fbdev);
+void vout_fbdev_finish(struct vout_fbdev *fbdev);
diff --git a/frontend/main.c b/frontend/main.c
index 6ee0b2f..e36ad48 100644
--- a/frontend/main.c
+++ b/frontend/main.c
@@ -18,6 +18,7 @@
#include "../libpcsxcore/misc.h"
int UseGui;
+static char *(*real_getenv)(const char *name);
static void make_path(char *buf, size_t size, const char *dir, const char *fname)
{
@@ -67,8 +68,18 @@ int main(int argc, char *argv[])
char path[MAXPATHLEN];
int runcd = 0;
int loadst = 0;
+ void *tmp;
int i;
+ tmp = dlopen("/lib/libdl.so.2", RTLD_LAZY);
+ if (tmp != NULL)
+ real_getenv = dlsym(tmp, "getenv");
+ if (real_getenv == NULL) {
+ fprintf(stderr, "%s\n", dlerror());
+ return 1;
+ }
+ dlclose(tmp);
+
// what is the name of the config file?
// it may be redefined by -cfg on the command line
strcpy(cfgfile_basename, "pcsx.cfg");
@@ -376,14 +387,10 @@ char *getenv(const char *name)
{
static char ret[8] = ".";
- // HACK
- if (name && strcmp(name, "DISPLAY") == 0)
- return ":0";
-
- if (name && strcmp(name, "HOME") != 0)
- fprintf(stderr, "getenv called with %s\n", name);
+ if (name && strcmp(name, "HOME") == 0)
+ return ret;
- return ret;
+ return real_getenv(name);
}
#endif
diff --git a/frontend/plugin_lib.c b/frontend/plugin_lib.c
new file mode 100644
index 0000000..5fd80cd
--- /dev/null
+++ b/frontend/plugin_lib.c
@@ -0,0 +1,54 @@
+/*
+ * (C) notaz, 2010
+ *
+ * This work is licensed under the terms of the GNU GPLv2 or later.
+ * See the COPYING file in the top-level directory.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "linux/fbdev.h"
+
+static struct vout_fbdev *fbdev;
+void *pl_fbdev_buf;
+
+int pl_fbdev_init(void)
+{
+ const char *fbdev_name;
+ int w, h;
+
+ fbdev_name = getenv("FBDEV");
+ if (fbdev_name == NULL)
+ fbdev_name = "/dev/fb0";
+
+ w = 640;
+ h = 512; // ??
+ fbdev = vout_fbdev_init(fbdev_name, &w, &h, 0);
+ if (fbdev == NULL)
+ return -1;
+
+ pl_fbdev_buf = vout_fbdev_flip(fbdev);
+
+ return 0;
+}
+
+int pl_fbdev_set_mode(int w, int h, int bpp)
+{
+ printf("set mode %dx%d@%d\n", w, h, bpp);
+ return vout_fbdev_resize(fbdev, w, h, 0, 0, 0, 0, 0);
+}
+
+void *pl_fbdev_flip(void)
+{
+ pl_fbdev_buf = vout_fbdev_flip(fbdev);
+ return pl_fbdev_buf;
+}
+
+void pl_fbdev_finish(void)
+{
+ if (fbdev != NULL)
+ vout_fbdev_finish(fbdev);
+ fbdev = NULL;
+}
+
diff --git a/frontend/plugin_lib.h b/frontend/plugin_lib.h
new file mode 100644
index 0000000..03afc86
--- /dev/null
+++ b/frontend/plugin_lib.h
@@ -0,0 +1,7 @@
+
+extern void *pl_fbdev_buf;
+
+int pl_fbdev_init(void);
+int pl_fbdev_set_mode(int w, int h, int bpp);
+void *pl_fbdev_flip(void);
+void pl_fbdev_finish(void);
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-09 11:34:54 +0000