From cde7f5a554815a93f1b2503e271d266f13e0305a Mon Sep 17 00:00:00 2001
From: Boram Park <boram1288.park@samsung.com>
Date: Thu, 24 Nov 2016 12:16:37 +0900
Subject: [PATCH] add punch option to tdm-monitor

Change-Id: Ib70965942ed775a421a9465ab3e9f2b38ff40a3e
---
 include/tdm_helper.h     | 17 +++++++++++++
 src/tdm_helper.c         | 26 +++++++++++++++++---
 src/tdm_monitor_server.c | 64 ++++++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 104 insertions(+), 3 deletions(-)

diff --git a/include/tdm_helper.h b/include/tdm_helper.h
index 3e4459c..3de7da3 100644
--- a/include/tdm_helper.h
+++ b/include/tdm_helper.h
@@ -76,6 +76,23 @@ void
 tdm_helper_dump_buffer(tbm_surface_h buffer, const char *file);
 
 /**
+ * @brief fill a buffer with 0 for given pos.
+ * @details
+ * This function supports only if a buffer has below formats.
+ * - TBM_FORMAT_ARGB8888
+ * - TBM_FORMAT_XRGB8888
+ * - TBM_FORMAT_YVU420
+ * - TBM_FORMAT_YUV420
+ * - TBM_FORMAT_NV12
+ * - TBM_FORMAT_NV21
+ * - TBM_FORMAT_YUYV
+ * - TBM_FORMAT_UYVY
+ * @param[in] buffer A TDM buffer
+ */
+void
+tdm_helper_clear_buffer_pos(tbm_surface_h buffer, tdm_pos *pos);
+
+/**
  * @brief fill a buffer with 0.
  * @details
  * This function supports only if a buffer has below formats.
diff --git a/src/tdm_helper.c b/src/tdm_helper.c
index f2fce58..3e4af9d 100644
--- a/src/tdm_helper.c
+++ b/src/tdm_helper.c
@@ -293,8 +293,8 @@ tdm_helper_dump_buffer(tbm_surface_h buffer, const char *file)
 	TDM_INFO("dump %s", file);
 }
 
-EXTERN void
-tdm_helper_clear_buffer(tbm_surface_h buffer)
+void
+tdm_helper_clear_buffer_pos(tbm_surface_h buffer, tdm_pos *pos)
 {
 	tbm_surface_info_s info;
 	int ret;
@@ -307,7 +307,19 @@ tdm_helper_clear_buffer(tbm_surface_h buffer)
 	switch (info.format) {
 	case TBM_FORMAT_ARGB8888:
 	case TBM_FORMAT_XRGB8888:
-		memset(info.planes[0].ptr, 0, info.planes[0].stride * info.height);
+		if (!pos) {
+			memset(info.planes[0].ptr, 0, info.planes[0].stride * info.height);
+		} else {
+			unsigned char *p;
+			int x, y;
+			for (y = pos->y; y <= (pos->y + pos->h); y++) {
+				p = info.planes[0].ptr + info.planes[0].stride * y;
+				for (x = pos->x; x <= (pos->x + pos->w); x++) {
+					int *ibuf = (int*)p;
+					ibuf[x] = 0x00000000;
+				}
+			}
+		}
 		break;
 	case TBM_FORMAT_YVU420:
 	case TBM_FORMAT_YUV420:
@@ -344,6 +356,14 @@ tdm_helper_clear_buffer(tbm_surface_h buffer)
 	tbm_surface_unmap(buffer);
 }
 
+EXTERN void
+tdm_helper_clear_buffer(tbm_surface_h buffer)
+{
+	TDM_RETURN_IF_FAIL(buffer != NULL);
+
+	tdm_helper_clear_buffer_pos(buffer, NULL);
+}
+
 EXTERN int
 tdm_helper_get_fd(const char *env)
 {
diff --git a/src/tdm_monitor_server.c b/src/tdm_monitor_server.c
index 4ea1184..2a1b318 100644
--- a/src/tdm_monitor_server.c
+++ b/src/tdm_monitor_server.c
@@ -304,6 +304,64 @@ _tdm_monitor_server_dump(unsigned int pid, char *cwd, int argc, char *argv[], ch
 	tdm_display_enable_dump(dpy, (const char*)argv[2], reply, len);
 }
 
+static void
+_tdm_monitor_server_punch(unsigned int pid, char *cwd, int argc, char *argv[], char *reply, int *len, tdm_display *dpy)
+{
+	char *arg, *end;
+	unsigned int output_id, layer_id;
+	tdm_output *output;
+	tdm_layer *layer;
+	tbm_surface_h buffer;
+
+	arg = argv[2];
+
+	output_id = strtol(arg, &end, 10);
+	output = tdm_display_get_output(dpy, output_id, NULL);
+	if (!output) {
+		TDM_SNPRINTF(reply, len, "not found output\n");
+		return;
+	}
+	if (*end != ',') {
+		TDM_SNPRINTF(reply, len, "not found ',<layer_idx>'\n");
+		return;
+	}
+
+	arg = end + 1;
+	layer_id = strtol(arg, &end, 10);
+	layer = tdm_output_get_layer(output, layer_id, NULL);
+	if (!layer) {
+		TDM_SNPRINTF(reply, len, "not found layer\n");
+		return;
+	}
+
+	buffer = tdm_layer_get_displaying_buffer(layer, NULL);
+	if (!buffer) {
+		TDM_SNPRINTF(reply, len, "not found buffer\n");
+		return;
+	}
+
+	if (*end == ':') {
+		tdm_pos pos = {0,};
+
+		arg = end + 1;
+		pos.w = strtol(arg, &end, 10);
+		TDM_EXIT_IF_FAIL(*end == 'x');
+		arg = end + 1;
+		pos.h = strtol(arg, &end, 10);
+		if (*end == '+') {
+			arg = end + 1;
+			pos.x = strtol(arg, &end, 10);
+			TDM_EXIT_IF_FAIL(*end == '+');
+			arg = end + 1;
+			pos.y = strtol(arg, &end, 10);
+		}
+
+		tdm_helper_clear_buffer_pos(buffer, &pos);
+	}
+	else
+		tdm_helper_clear_buffer(buffer);
+}
+
 static struct {
 	const char *opt;
 	void (*func)(unsigned int pid, char *cwd, int argc, char *argv[], char *reply, int *len, tdm_display *dpy);
@@ -351,6 +409,12 @@ static struct {
 		"<object_type1>[,<object_type2>[,...]][@<directory_path>]",
 		NULL
 	},
+	{
+		"punch", _tdm_monitor_server_punch,
+		"punch a layer",
+		"<output_idx>,<layer_idx>[:<w>x<h>[+<x>+<y>]]",
+		NULL
+	},
 };
 
 static void
-- 
2.7.4