From fcb6cbd5d02e56c6230338dd1f58941d62fbb4c1 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Kristian=20H=C3=B8gsberg?= <krh@redhat.com>
Date: Tue, 2 Dec 2008 15:17:28 -0500
Subject: [PATCH] Drop early, obsolete compositor.

---
 compositor.c | 196 ---------------------------------------------------
 1 file changed, 196 deletions(-)
 delete mode 100644 compositor.c

diff --git a/compositor.c b/compositor.c
deleted file mode 100644
index d76d8f1e..00000000
--- a/compositor.c
+++ /dev/null
@@ -1,196 +0,0 @@
-#include <stdio.h>
-#include <string.h>
-#include <stdlib.h>
-#include <stdint.h>
-#include <i915_drm.h>
-#include <sys/ioctl.h>
-#include <sys/mman.h>
-#include <fcntl.h>
-#include <unistd.h>
-#include <linux/fb.h>
-
-#include "wayland.h"
-
-struct lame_compositor {
-	struct wl_compositor base;
-	void *fb;
-	int32_t width, height, stride;
-	int gem_fd;
-};
-
-struct surface_data {
-	uint32_t handle;
-	int32_t width, height, stride;
-};
-
-void notify_surface_create(struct wl_compositor *compositor,
-			   struct wl_surface *surface)
-{
-	struct surface_data *sd;
-
-	sd = malloc(sizeof *sd);
-	if (sd == NULL)
-		return;
-
-	sd->handle = 0;
-	wl_surface_set_data(surface, sd);
-}
-				   
-void notify_surface_destroy(struct wl_compositor *compositor,
-			    struct wl_surface *surface)
-{
-	struct lame_compositor *lc = (struct lame_compositor *) compositor;
-	struct surface_data *sd;
-	struct drm_gem_close close_arg;
-	int ret;
-
-	sd = wl_surface_get_data(surface);
-	if (sd == NULL || sd->handle == 0)
-		return;
-	
-	close_arg.handle = sd->handle;
-	ret = ioctl(lc->gem_fd, DRM_IOCTL_GEM_CLOSE, &close_arg);
-	if (ret != 0) {
-		fprintf(stderr, "failed to gem_close handle %d: %m\n", sd->handle);
-	}
-
-	free(sd);
-}
-
-void notify_surface_attach(struct wl_compositor *compositor,
-			   struct wl_surface *surface, uint32_t name, 
-			   uint32_t width, uint32_t height, uint32_t stride)
-{
-	struct lame_compositor *lc = (struct lame_compositor *) compositor;
-	struct surface_data *sd;
-	struct drm_gem_open open_arg;
-	struct drm_gem_close close_arg;
-	int ret;
-
-	sd = wl_surface_get_data(surface);
-	if (sd == NULL)
-		return;
-
-	if (sd->handle != 0) {
-		close_arg.handle = sd->handle;
-		ret = ioctl(lc->gem_fd, DRM_IOCTL_GEM_CLOSE, &close_arg);
-		if (ret != 0) {
-			fprintf(stderr, "failed to gem_close name %d: %m\n", name);
-		}
-	}
-
-	open_arg.name = name;
-	ret = ioctl(lc->gem_fd, DRM_IOCTL_GEM_OPEN, &open_arg);
-	if (ret != 0) {
-		fprintf(stderr, "failed to gem_open name %d, fd=%d: %m\n", name, lc->gem_fd);
-		return;
-	}
-
-	sd->handle = open_arg.handle;
-	sd->width = width;
-	sd->height = height;
-	sd->stride = stride;
-}
-
-void notify_surface_map(struct wl_compositor *compositor,
-			struct wl_surface *surface, struct wl_map *map)
-{
-	struct lame_compositor *lc = (struct lame_compositor *) compositor;
-	struct surface_data *sd;
-	struct drm_i915_gem_pread pread;
-	char *data, *dst;
-	uint32_t size;
-	int i;
-
-	/* This part is where we actually copy the buffer to screen.
-	 * Needs to be part of the repaint loop, not in the notify_map
-	 * handler. */
-
-	sd = wl_surface_get_data(surface);
-	if (sd == NULL)
-		return;
-
-	size = sd->height * sd->stride;
-	data = malloc(size);
-	if (data == NULL) {
-		fprintf(stderr, "swap buffers malloc failed\n");
-		return;
-	}
-
-	pread.handle = sd->handle;
-	pread.pad = 0;
-	pread.offset = 0;
-	pread.size = size;
-	pread.data_ptr = (long) data;
-
-	if (ioctl(lc->gem_fd, DRM_IOCTL_I915_GEM_PREAD, &pread)) {
-		fprintf(stderr, "gem pread failed");
-		return;
-	}
-
-	dst = lc->fb + lc->stride * map->y + map->x * 4;
-	for (i = 0; i < sd->height; i++)
-		memcpy(dst + lc->stride * i, data + sd->stride * i, sd->width * 4);
-
-	free(data);
-}
-
-struct wl_compositor_interface interface = {
-	notify_surface_create,
-	notify_surface_destroy,
-	notify_surface_attach,
-	notify_surface_map
-};
-
-static const char fb_device[] = "/dev/fb";
-static const char gem_device[] = "/dev/dri/card0";
-
-struct wl_compositor *
-wl_compositor_create(void)
-{
-	struct lame_compositor *lc;
-	struct fb_fix_screeninfo fix;
-	struct fb_var_screeninfo var;
-	int fd;
-
-	lc = malloc(sizeof *lc);
-	if (lc == NULL)
-		return NULL;
-
-	lc->base.interface = &interface;
-
-	fd = open(fb_device, O_RDWR);
-	if (fd < 0) {
-		fprintf(stderr, "open %s failed: %m\n", fb_device);
-		return NULL;
-	}
-
-	if (ioctl(fd, FBIOGET_FSCREENINFO, &fix) < 0) {
-		fprintf(stderr, "fb get fixed failed\n");
-		return NULL;
-	}
-
-	if (ioctl(fd, FBIOGET_VSCREENINFO, &var) < 0) {
-		fprintf(stderr, "fb get fixed failed\n");
-		return NULL;
-	}
-
-	lc->stride = fix.line_length;
-	lc->width = var.xres;
-	lc->height = var.yres;
-	lc->fb = mmap(NULL, lc->stride * lc->height,
-		      PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
-	close(fd);
-	if (lc->fb == MAP_FAILED) {
-		fprintf(stderr, "fb map failed\n");
-		return NULL;
-	}
-
-	lc->gem_fd = open(gem_device, O_RDWR);
-	if (lc->gem_fd < 0) {
-		fprintf(stderr, "failed to open drm device\n");
-		return NULL;
-	}
-
-	return &lc->base;
-}