X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?p=ginge.git;a=blobdiff_plain;f=common%2Ffbdev.c;fp=common%2Ffbdev.c;h=0000000000000000000000000000000000000000;hp=afcd52909cc438b13430dcaf5a62a15409be8baf;hb=eb058b482d306017c5efa176351c36180c6c8b85;hpb=830ba1bf77492eb259dad9dea3d9531b51376009

diff --git a/common/fbdev.c b/common/fbdev.c
deleted file mode 100644
index afcd529..0000000
--- a/common/fbdev.c
+++ /dev/null
@@ -1,180 +0,0 @@
-#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;
-	void	*buffers[FBDEV_MAX_BUFFERS];
-	int	buffer_count;
-};
-
-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->fbvar_old.yres * draw_buf;
-
-	ioctl(fbdev->fd, FBIOPAN_DISPLAY, &fbdev->fbvar_new);
-
-	return fbdev->buffers[fbdev->buffer_write];
-}
-
-void vout_fbdev_wait_vsync(struct vout_fbdev *fbdev)
-{
-	int arg = 0;
-	ioctl(fbdev->fd, FBIO_WAITFORVSYNC, &arg);
-}
-
-void vout_fbdev_clear(struct vout_fbdev *fbdev)
-{
-	memset(fbdev->mem, 0, fbdev->mem_size);
-}
-
-struct vout_fbdev *vout_fbdev_init(const char *fbdev_name, int *w, int *h, int no_dblbuf)
-{
-	struct vout_fbdev *fbdev;
-	int i, 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;
-	printf("%s: %ix%i@%d\n", fbdev_name, fbdev->fbvar_old.xres, fbdev->fbvar_old.yres,
-		fbdev->fbvar_old.bits_per_pixel);
-	*w = fbdev->fbvar_old.xres;
-	*h = fbdev->fbvar_old.yres;
-	fbdev->buffer_count = FBDEV_MAX_BUFFERS; // be optimistic
-	if (no_dblbuf)
-		fbdev->buffer_count = 1;
-
-	if (fbdev->fbvar_new.bits_per_pixel != 16) {
-		printf(" switching to 16bpp\n");
-		fbdev->fbvar_new.bits_per_pixel = 16;
-		ret = ioctl(fbdev->fd, FBIOPUT_VSCREENINFO, &fbdev->fbvar_new);
-		if (ret == -1) {
-			perror("FBIOPUT_VSCREENINFO ioctl");
-			goto fail;
-		}
-	}
-
-	if (fbdev->fbvar_new.yres_virtual < fbdev->fbvar_old.yres * fbdev->buffer_count) {
-		fbdev->fbvar_new.yres_virtual = fbdev->fbvar_old.yres * 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->mem_size = *w * *h * 2 * fbdev->buffer_count;
-	fbdev->mem = mmap(0, fbdev->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->mem_size = *w * *h * 2;
-		fbdev->buffer_count = 1;
-		fbdev->mem = mmap(0, fbdev->mem_size, PROT_WRITE|PROT_READ, MAP_SHARED, fbdev->fd, 0);
-	}
-	if (fbdev->mem == MAP_FAILED) {
-		perror("mmap framebuffer");
-		goto fail;
-	}
-	memset(fbdev->mem, 0, fbdev->mem_size);
-	for (i = 0; i < fbdev->buffer_count; i++)
-		fbdev->buffers[i] = (char *)fbdev->mem + i * *w * *h * 2;
-
-	// 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_old.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);
-}
-
-#if 0
-void *g_screen_ptr;
-int main()
-{
-	int w, h;
-	vout_fbdev_init(&w, &h);
-	//while (1)
-	{
-		memset(g_screen_ptr, 0xff, fbdev_mem_size / 2);
-		plat_video_wait_vsync();
-		plat_video_flip();
-		memset(g_screen_ptr, 0x00, fbdev_mem_size / 2);
-		usleep(8000);
-//		plat_video_wait_vsync();
-		plat_video_flip();
-	}
-}
-#endif