added code for region copy used in codec mode

1 files changed, 101 insertions, 0 deletions

diff --git a/xorg/server/module/rdpCapture.c b/xorg/server/module/rdpCapture.c
new file mode 100644
index 00000000..1ab6c4ec
--- /dev/null
+++ b/xorg/server/module/rdpCapture.c
@@ -0,0 +1,101 @@
+/**
+ * xrdp: A Remote Desktop Protocol server.
+ *
+ * Copyright (C) Laxmikant Rashinkar 2014
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * Routines to copy regions from framebuffer to shared memory
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+/* this should be before all X11 .h files */
+#include <xorg-server.h>
+
+/* all driver need this */
+#include <xf86.h>
+#include <xf86_OSproc.h>
+
+#include "rdp.h"
+#include "rdpDraw.h"
+#include "rdpClientCon.h"
+
+#define LOG_LEVEL 1
+#define LLOGLN(_level, _args) \
+    do { if (_level < LOG_LEVEL) { ErrorF _args ; ErrorF("\n"); } } while (0)
+
+/**
+ * Copy an array of rectangles from one memory area to another
+ *****************************************************************************/
+
+Bool rdpCapture(RegionPtr in_reg, RegionPtr out_reg,
+                void *src, int src_width, int src_height, int src_stride, int src_format,
+                void *dst, int dst_width, int dst_height, int dst_stride, int dst_format,
+                int mode)
+{
+    BoxRec  rect;
+    char   *src_rect;
+    char   *dst_rect;
+    int     num_regions;
+    int     bpp;
+    int     width;
+    int     height;
+    int     offset;
+    int     bytes;
+    int     i;
+    int     j;
+
+    /*
+     * note: mode = 0: default, one is to one copy
+     * xxx_format = 0: default, 4 bytes per pixel
+     */
+
+    /* for now we only handle defaults */
+
+    /* number of rectangles to copy */
+    num_regions = REGION_NUM_RECTS(in_reg);
+
+    /* get bytes per pixel */
+    bpp = src_stride / src_width;
+
+    for (i = 0; i < num_regions; i++)
+    {
+        /* get rect to copy */
+        rect = REGION_RECTS(in_reg)[i];
+
+        /* get rect dimensions */
+        width = rect.x2 - rect.x1;
+        height = rect.y2 - rect.y1;
+
+        /* point to start of each rect in respective memory */
+        offset = rect.y1 * src_stride + rect.x1 * bpp;
+        src_rect = src + offset;
+        dst_rect = dst + offset;
+
+        /* bytes per line */
+        bytes = width * bpp;
+
+        /* copy one line at a time */
+        for (j = 0; j < height; j++)
+        {
+            memcpy(dst_rect, src_rect, bytes);
+            src_rect += src_stride;
+            dst_rect += src_stride;
+        }
+    }
+
+    return rdpRegionCopy(out_reg, in_reg);
+}