From 816e82e2652e1a8611fb99899b039755dc125a46 Mon Sep 17 00:00:00 2001
From: Boram Park <boram1288.park@samsung.com>
Date: Fri, 16 Mar 2018 14:57:03 +0900
Subject: [PATCH] buffers: fill 0xFF for alpha bits if XRGB8888

Change-Id: I11fe1caf16c54a927aaf935504d26b8e01d95337
---
 tools/buffers.c | 76 +++++++++++++++++++++++++++++++++++++++++++++++++++++++--
 1 file changed, 74 insertions(+), 2 deletions(-)

diff --git a/tools/buffers.c b/tools/buffers.c
index 4d66f12..5cf58ef 100644
--- a/tools/buffers.c
+++ b/tools/buffers.c
@@ -125,7 +125,7 @@ static const struct format_info format_info[] = {
 	{ TBM_FORMAT_RGB888, "RG24", MAKE_RGB_INFO(8, 16, 8, 8, 8, 0, 0, 0) },
 	/* RGB32 */
 	{ TBM_FORMAT_ARGB8888, "AR24", MAKE_RGB_INFO(8, 16, 8, 8, 8, 0, 8, 24) },
-	{ TBM_FORMAT_XRGB8888, "XR24", MAKE_RGB_INFO(8, 16, 8, 8, 8, 0, 0, 0) },
+	{ TBM_FORMAT_XRGB8888, "XR24", MAKE_RGB_INFO(8, 16, 8, 8, 8, 0, 0, 24) },
 	{ TBM_FORMAT_ABGR8888, "AB24", MAKE_RGB_INFO(8, 0, 8, 8, 8, 16, 8, 24) },
 	{ TBM_FORMAT_XBGR8888, "XB24", MAKE_RGB_INFO(8, 0, 8, 8, 8, 16, 0, 0) },
 	{ TBM_FORMAT_RGBA8888, "RA24", MAKE_RGB_INFO(8, 24, 8, 16, 8, 8, 8, 0) },
@@ -186,6 +186,12 @@ struct color_yuv {
 	 (((b) >> (8 - (rgb)->blue.length)) << (rgb)->blue.offset) | \
 	 (((a) >> (8 - (rgb)->alpha.length)) << (rgb)->alpha.offset))
 
+#define MAKE_RGBX(rgb, r, g, b) \
+		((((r) >> (8 - (rgb)->red.length)) << (rgb)->red.offset) | \
+		 (((g) >> (8 - (rgb)->green.length)) << (rgb)->green.offset) | \
+		 (((b) >> (8 - (rgb)->blue.length)) << (rgb)->blue.offset) | \
+		 (255 << (rgb)->alpha.offset))
+
 #define MAKE_RGB24(rgb, r, g, b) \
 	{ .value = MAKE_RGBA(rgb, r, g, b, 0) }
 
@@ -592,6 +598,70 @@ fill_smpte_rgb32(const struct rgb_info *rgb, unsigned char *mem,
 }
 
 static void
+fill_smpte_rgb32_dont_care_alpha(const struct rgb_info *rgb, unsigned char *mem,
+								 unsigned int width, unsigned int height, unsigned int stride)
+{
+	const uint32_t colors_top[] = {
+		MAKE_RGBX(rgb, 192, 192, 192),	/* grey */
+		MAKE_RGBX(rgb, 192, 192, 0),	/* yellow */
+		MAKE_RGBX(rgb, 0, 192, 192),	/* cyan */
+		MAKE_RGBX(rgb, 0, 192, 0),		/* green */
+		MAKE_RGBX(rgb, 192, 0, 192),	/* magenta */
+		MAKE_RGBX(rgb, 192, 0, 0),		/* red */
+		MAKE_RGBX(rgb, 0, 0, 192),		/* blue */
+	};
+	const uint32_t colors_middle[] = {
+		MAKE_RGBX(rgb, 0, 0, 192),		/* blue */
+		MAKE_RGBX(rgb, 19, 19, 19),	/* black */
+		MAKE_RGBX(rgb, 192, 0, 192),	/* magenta */
+		MAKE_RGBX(rgb, 19, 19, 19),	/* black */
+		MAKE_RGBX(rgb, 0, 192, 192),	/* cyan */
+		MAKE_RGBX(rgb, 19, 19, 19),	/* black */
+		MAKE_RGBX(rgb, 192, 192, 192),	/* grey */
+	};
+	const uint32_t colors_bottom[] = {
+		MAKE_RGBX(rgb, 0, 33, 76),		/* in-phase */
+		MAKE_RGBX(rgb, 255, 255, 255),	/* super white */
+		MAKE_RGBX(rgb, 50, 0, 106),	/* quadrature */
+		MAKE_RGBX(rgb, 19, 19, 19),	/* black */
+		MAKE_RGBX(rgb, 9, 9, 9),		/* 3.5% */
+		MAKE_RGBX(rgb, 19, 19, 19),	/* 7.5% */
+		MAKE_RGBX(rgb, 29, 29, 29),	/* 11.5% */
+		MAKE_RGBX(rgb, 19, 19, 19),	/* black */
+	};
+	unsigned int x;
+	unsigned int y;
+
+	if (width < 8)
+		return;
+
+	for (y = 0; y < height * 6 / 9; ++y) {
+		for (x = 0; x < width; ++x)
+			((uint32_t *)mem)[x] = colors_top[x * 7 / width];
+		mem += stride;
+	}
+
+	for (; y < height * 7 / 9; ++y) {
+		for (x = 0; x < width; ++x)
+			((uint32_t *)mem)[x] = colors_middle[x * 7 / width];
+		mem += stride;
+	}
+
+	for (; y < height; ++y) {
+		for (x = 0; x < width * 5 / 7; ++x)
+			((uint32_t *)mem)[x] =
+				colors_bottom[x * 4 / (width * 5 / 7)];
+		for (; x < width * 6 / 7; ++x)
+			((uint32_t *)mem)[x] =
+				colors_bottom[(x - width * 5 / 7) * 3
+							  / (width / 7) + 4];
+		for (; x < width; ++x)
+			((uint32_t *)mem)[x] = (rand_r(&rand_seed) % 2) ? MAKE_RGBX(rgb, 255, 255, 255) : MAKE_RGBX(rgb, 0, 0, 0);
+		mem += stride;
+	}
+}
+
+static void
 fill_smpte(const struct format_info *info, void *planes[3], unsigned int width,
 		   unsigned int height, unsigned int stride)
 {
@@ -648,7 +718,6 @@ fill_smpte(const struct format_info *info, void *planes[3], unsigned int width,
 		return fill_smpte_rgb24(&info->rgb, planes[0],
 								width, height, stride);
 	case TBM_FORMAT_ARGB8888:
-	case TBM_FORMAT_XRGB8888:
 	case TBM_FORMAT_ABGR8888:
 	case TBM_FORMAT_XBGR8888:
 	case TBM_FORMAT_RGBA8888:
@@ -665,6 +734,9 @@ fill_smpte(const struct format_info *info, void *planes[3], unsigned int width,
 	case TBM_FORMAT_BGRX1010102:
 		return fill_smpte_rgb32(&info->rgb, planes[0],
 								width, height, stride);
+	case TBM_FORMAT_XRGB8888:
+		return fill_smpte_rgb32_dont_care_alpha(&info->rgb, planes[0],
+												width, height, stride);
 	}
 }
 
-- 
2.7.4