X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?p=pcsx_rearmed.git;a=blobdiff_plain;f=frontend%2Flinux%2Ffbdev.c;fp=frontend%2Flinux%2Ffbdev.c;h=0000000000000000000000000000000000000000;hp=ec3d5c7ec33c3b53fedd9a0520f96925bacaac39;hb=cc56203b76e1fcef2c7e55b460daf07e654a1547;hpb=0e2e3f498456d1175916ecd69d0a9e80e701e760

diff --git a/frontend/linux/fbdev.c b/frontend/linux/fbdev.c
deleted file mode 100644
index ec3d5c7e..00000000
--- a/frontend/linux/fbdev.c
+++ /dev/null
@@ -1,311 +0,0 @@
-/*
- * (C) Gražvydas "notaz" Ignotas, 2009-2010
- *
- * This work is licensed under the terms of any of these licenses
- * (at your option):
- *  - GNU GPL, version 2 or later.
- *  - 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 PFX "fbdev: "
-
-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	*mem_saved;
-	size_t	mem_saved_size;
-};
-
-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);
-}
-
-/* it is recommended to call vout_fbdev_clear() before this */
-void *vout_fbdev_resize(struct vout_fbdev *fbdev, int w, int h, int bpp,
-		      int left_border, int right_border, int top_border, int bottom_border, int buffer_cnt)
-{
-	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 != bpp ||
-			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->buffer_count != buffer_cnt)
-	{
-		if (fbdev->fbvar_new.bits_per_pixel != bpp ||
-				w != fbdev->fbvar_new.xres || h != fbdev->fbvar_new.yres)
-			printf(PFX "switching to %dx%d@%d\n", w, h, bpp);
-
-		fbdev->fbvar_new.xres = w;
-		fbdev->fbvar_new.yres = h;
-		fbdev->fbvar_new.xres_virtual = w_total;
-		fbdev->fbvar_new.yres_virtual = h_total * buffer_cnt;
-		fbdev->fbvar_new.xoffset = left_border;
-		fbdev->fbvar_new.yoffset = top_border;
-		fbdev->fbvar_new.bits_per_pixel = bpp;
-		fbdev->fbvar_new.nonstd = 0; // can set YUV here on omapfb
-		fbdev->buffer_count = buffer_cnt;
-		fbdev->buffer_write = buffer_cnt > 1 ? 1 : 0;
-
-		// seems to help a bit to avoid glitches
-		vout_fbdev_wait_vsync(fbdev);
-
-		ret = ioctl(fbdev->fd, FBIOPUT_VSCREENINFO, &fbdev->fbvar_new);
-		if (ret == -1) {
-			// retry with no multibuffering
-			fbdev->fbvar_new.yres_virtual = h_total;
-			ret = ioctl(fbdev->fd, FBIOPUT_VSCREENINFO, &fbdev->fbvar_new);
-			if (ret == -1) {
-				perror(PFX "FBIOPUT_VSCREENINFO ioctl");
-				return NULL;
-			}
-			fbdev->buffer_count = 1;
-			fbdev->buffer_write = 0;
-			fprintf(stderr, PFX "Warning: failed to increase virtual resolution, "
-					"multibuffering disabled\n");
-		}
-
-	}
-
-	fbdev->fb_size = w_total * h_total * bpp / 8;
-	fbdev->top_border = top_border;
-	fbdev->bottom_border = bottom_border;
-
-	mem_size = fbdev->fb_size * fbdev->buffer_count;
-	if (fbdev->mem_size >= mem_size)
-		goto out;
-
-	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, PFX "Warning: can't map %zd bytes, doublebuffering disabled\n", mem_size);
-		fbdev->buffer_count = 1;
-		fbdev->buffer_write = 0;
-		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(PFX "mmap framebuffer");
-		return NULL;
-	}
-
-	fbdev->mem_size = mem_size;
-
-out:
-	return (char *)fbdev->mem + fbdev->fb_size * fbdev->buffer_write;
-}
-
-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 bpp, int buffer_cnt)
-{
-	struct vout_fbdev *fbdev;
-	int req_w, req_h;
-	void *pret;
-	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, PFX "%s: ", fbdev_name);
-		perror("open");
-		goto fail_open;
-	}
-
-	ret = ioctl(fbdev->fd, FBIOGET_VSCREENINFO, &fbdev->fbvar_old);
-	if (ret == -1) {
-		perror(PFX "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;
-
-	pret = vout_fbdev_resize(fbdev, req_w, req_h, bpp, 0, 0, 0, 0, buffer_cnt);
-	if (pret == NULL)
-		goto fail;
-
-	printf(PFX "%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, PFX "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, PFX "Warning: can't pan display, doublebuffering disabled\n");
-		}
-	}
-
-	printf("fbdev initialized.\n");
-	return fbdev;
-
-fail:
-	close(fbdev->fd);
-fail_open:
-	free(fbdev);
-	return NULL;
-}
-
-static void vout_fbdev_release(struct vout_fbdev *fbdev)
-{
-	ioctl(fbdev->fd, FBIOPUT_VSCREENINFO, &fbdev->fbvar_old);
-	if (fbdev->mem != MAP_FAILED)
-		munmap(fbdev->mem, fbdev->mem_size);
-	fbdev->mem = NULL;
-}
-
-int vout_fbdev_save(struct vout_fbdev *fbdev)
-{
-	void *tmp;
-
-	if (fbdev == NULL || fbdev->mem == NULL || fbdev->mem == MAP_FAILED) {
-		fprintf(stderr, PFX "bad args for save\n");
-		return -1;
-	}
-
-	if (fbdev->mem_saved_size < fbdev->mem_size) {
-		tmp = realloc(fbdev->mem_saved, fbdev->mem_size);
-		if (tmp == NULL)
-			return -1;
-		fbdev->mem_saved = tmp;
-	}
-	memcpy(fbdev->mem_saved, fbdev->mem, fbdev->mem_size);
-	fbdev->mem_saved_size = fbdev->mem_size;
-
-	vout_fbdev_release(fbdev);
-	return 0;
-}
-
-int vout_fbdev_restore(struct vout_fbdev *fbdev)
-{
-	int ret;
-
-	if (fbdev == NULL || fbdev->mem != NULL) {
-		fprintf(stderr, PFX "bad args/state for restore\n");
-		return -1;
-	}
-
-	fbdev->mem = mmap(0, fbdev->mem_size, PROT_WRITE|PROT_READ, MAP_SHARED, fbdev->fd, 0);
-	if (fbdev->mem == MAP_FAILED) {
-		perror(PFX "restore: memory restore failed");
-		return -1;
-	}
-	memcpy(fbdev->mem, fbdev->mem_saved, fbdev->mem_size);
-
-	ret = ioctl(fbdev->fd, FBIOPUT_VSCREENINFO, &fbdev->fbvar_new);
-	if (ret == -1) {
-		perror(PFX "restore: FBIOPUT_VSCREENINFO");
-		return -1;
-	}
-
-	return 0;
-}
-
-void vout_fbdev_finish(struct vout_fbdev *fbdev)
-{
-	vout_fbdev_release(fbdev);
-	if (fbdev->fd >= 0)
-		close(fbdev->fd);
-	fbdev->fd = -1;
-	free(fbdev);
-}
-