File/dir renames

1 files changed, 291 insertions, 0 deletions

diff --git a/libkms++util/testpat.cpp b/libkms++util/testpat.cpp
new file mode 100644
index 0000000..68f4385
--- /dev/null
+++ b/libkms++util/testpat.cpp
@@ -0,0 +1,291 @@
+
+//#define DRAW_PERF_PRINT
+
+#include <chrono>
+#include <cstring>
+#include <cassert>
+
+#include "kms++.h"
+#include "test.h"
+#include "cpuframebuffer.h"
+
+#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]))
+
+namespace kms
+{
+static void draw_rgb_pixel(IMappedFramebuffer& buf, unsigned x, unsigned y, RGB color)
+{
+	switch (buf.format()) {
+	case PixelFormat::XRGB8888:
+	case PixelFormat::ARGB8888:
+	{
+		uint32_t *p = (uint32_t*)(buf.map(0) + buf.stride(0) * y + x * 4);
+		*p = color.argb8888();
+		break;
+	}
+	case PixelFormat::XBGR8888:
+	case PixelFormat::ABGR8888:
+	{
+		uint32_t *p = (uint32_t*)(buf.map(0) + buf.stride(0) * y + x * 4);
+		*p = color.abgr8888();
+		break;
+	}
+	case PixelFormat::RGB565:
+	{
+		uint16_t *p = (uint16_t*)(buf.map(0) + buf.stride(0) * y + x * 2);
+		*p = color.rgb565();
+		break;
+	}
+	default:
+		throw std::invalid_argument("invalid pixelformat");
+	}
+}
+
+static void draw_yuv422_macropixel(IMappedFramebuffer& buf, unsigned x, unsigned y, YUV yuv1, YUV yuv2)
+{
+	ASSERT((x & 1) == 0);
+
+	uint8_t *p = (uint8_t*)(buf.map(0) + buf.stride(0) * y + x * 2);
+
+	uint8_t y0 = yuv1.y;
+	uint8_t y1 = yuv2.y;
+	uint8_t u = (yuv1.u + yuv2.u) / 2;
+	uint8_t v = (yuv1.v + yuv2.v) / 2;
+
+	switch (buf.format()) {
+	case PixelFormat::UYVY:
+		p[0] = u;
+		p[1] = y0;
+		p[2] = v;
+		p[3] = y1;
+		break;
+
+	case PixelFormat::YUYV:
+		p[0] = y0;
+		p[1] = u;
+		p[2] = y1;
+		p[3] = v;
+		break;
+
+	case PixelFormat::YVYU:
+		p[0] = y0;
+		p[1] = v;
+		p[2] = y1;
+		p[3] = u;
+		break;
+
+	case PixelFormat::VYUY:
+		p[0] = v;
+		p[1] = y0;
+		p[2] = u;
+		p[3] = y1;
+		break;
+
+	default:
+		throw std::invalid_argument("invalid pixelformat");
+	}
+}
+
+static void draw_yuv420_macropixel(IMappedFramebuffer& buf, unsigned x, unsigned y,
+				   YUV yuv1, YUV yuv2, YUV yuv3, YUV yuv4)
+{
+	ASSERT((x & 1) == 0);
+	ASSERT((y & 1) == 0);
+
+	uint8_t *py1 = (uint8_t*)(buf.map(0) + buf.stride(0) * (y + 0) + x);
+	uint8_t *py2 = (uint8_t*)(buf.map(0) + buf.stride(0) * (y + 1) + x);
+
+	uint8_t *puv = (uint8_t*)(buf.map(1) + buf.stride(1) * (y / 2) + x);
+
+	uint8_t y0 = yuv1.y;
+	uint8_t y1 = yuv2.y;
+	uint8_t y2 = yuv3.y;
+	uint8_t y3 = yuv4.y;
+	uint8_t u = (yuv1.u + yuv2.u + yuv3.u + yuv4.u) / 4;
+	uint8_t v = (yuv1.v + yuv2.v + yuv3.v + yuv4.v) / 4;
+
+	switch (buf.format()) {
+	case PixelFormat::NV12:
+		py1[0] = y0;
+		py1[1] = y1;
+		py2[0] = y2;
+		py2[1] = y3;
+		puv[0] = u;
+		puv[1] = v;
+		break;
+
+	case PixelFormat::NV21:
+		py1[0] = y0;
+		py1[1] = y1;
+		py2[0] = y2;
+		py2[1] = y3;
+		puv[0] = v;
+		puv[1] = u;
+		break;
+
+	default:
+		throw std::invalid_argument("invalid pixelformat");
+	}
+}
+
+static RGB get_test_pattern_pixel(IMappedFramebuffer& fb, unsigned x, unsigned y)
+{
+	const unsigned w = fb.width();
+	const unsigned h = fb.height();
+
+	const unsigned mw = 20;
+
+	const unsigned xm1 = mw;
+	const unsigned xm2 = w - mw - 1;
+	const unsigned ym1 = mw;
+	const unsigned ym2 = h - mw - 1;
+
+	// white margin lines
+	if (x == xm1 || x == xm2 || y == ym1 || y == ym2)
+		return RGB(255, 255, 255);
+	// white box outlines to corners
+	else if ((x == 0 || x == w - 1) && (y < ym1 || y > ym2))
+		return RGB(255, 255, 255);
+	// white box outlines to corners
+	else if ((y == 0 || y == h - 1) && (x < xm1 || x > xm2))
+		return RGB(255, 255, 255);
+	// blue bar on the left
+	else if (x < xm1 && (y > ym1 && y < ym2))
+		return RGB(0, 0, 255);
+	// blue bar on the top
+	else if (y < ym1 && (x > xm1 && x < xm2))
+		return RGB(0, 0, 255);
+	// red bar on the right
+	else if (x > xm2 && (y > ym1 && y < ym2))
+		return RGB(255, 0, 0);
+	// red bar on the bottom
+	else if (y > ym2 && (x > xm1 && x < xm2))
+		return RGB(255, 0, 0);
+	// inside the margins
+	else if (x > xm1 && x < xm2 && y > ym1 && y < ym2) {
+		// diagonal line
+		if (x == y || w - x == h - y)
+			return RGB(255, 255, 255);
+		// diagonal line
+		else if (w - x == y || x == h - y)
+			return RGB(255, 255, 255);
+		else {
+			int t = (x - xm1 - 1) * 8 / (xm2 - xm1 - 1);
+			unsigned r = 0, g = 0, b = 0;
+
+			unsigned c = (y - ym1 - 1) % 256;
+
+			switch (t) {
+			case 0:
+				r = c;
+				break;
+			case 1:
+				g = c;
+				break;
+			case 2:
+				b = c;
+				break;
+			case 3:
+				g = b = c;
+				break;
+			case 4:
+				r = b = c;
+				break;
+			case 5:
+				r = g = c;
+				break;
+			case 6:
+				r = g = b = c;
+				break;
+			case 7:
+				break;
+			}
+
+			return RGB(r, g, b);
+		}
+	} else {
+		// black corners
+		return RGB(0, 0, 0);
+	}
+}
+
+static void draw_test_pattern_impl(IMappedFramebuffer& fb)
+{
+	unsigned x, y;
+	unsigned w = fb.width();
+	unsigned h = fb.height();
+
+	switch (fb.format()) {
+	case PixelFormat::XRGB8888:
+	case PixelFormat::XBGR8888:
+	case PixelFormat::ARGB8888:
+	case PixelFormat::ABGR8888:
+	case PixelFormat::RGB565:
+		for (y = 0; y < h; y++) {
+			for (x = 0; x < w; x++) {
+				RGB pixel = get_test_pattern_pixel(fb, x, y);
+				draw_rgb_pixel(fb, x, y, pixel);
+			}
+		}
+		break;
+
+	case PixelFormat::UYVY:
+	case PixelFormat::YUYV:
+	case PixelFormat::YVYU:
+	case PixelFormat::VYUY:
+		for (y = 0; y < h; y++) {
+			for (x = 0; x < w; x += 2) {
+				RGB pixel1 = get_test_pattern_pixel(fb, x, y);
+				RGB pixel2 = get_test_pattern_pixel(fb, x + 1, y);
+				draw_yuv422_macropixel(fb, x, y, pixel1.yuv(), pixel2.yuv());
+			}
+		}
+		break;
+
+	case PixelFormat::NV12:
+	case PixelFormat::NV21:
+		for (y = 0; y < h; y += 2) {
+			for (x = 0; x < w; x += 2) {
+				RGB pixel00 = get_test_pattern_pixel(fb, x, y);
+				RGB pixel10 = get_test_pattern_pixel(fb, x + 1, y);
+				RGB pixel01 = get_test_pattern_pixel(fb, x, y + 1);
+				RGB pixel11 = get_test_pattern_pixel(fb, x + 1, y + 1);
+				draw_yuv420_macropixel(fb, x, y,
+						       pixel00.yuv(), pixel10.yuv(),
+						       pixel01.yuv(), pixel11.yuv());
+			}
+		}
+		break;
+	default:
+		throw std::invalid_argument("unknown pixelformat");
+	}
+}
+
+void draw_test_pattern(IMappedFramebuffer &fb)
+{
+#ifdef DRAW_PERF_PRINT
+	using namespace std::chrono;
+
+	auto t1 = high_resolution_clock::now();
+#endif
+
+	draw_test_pattern_impl(fb);
+
+#ifdef DRAW_PERF_PRINT
+	auto t2 = high_resolution_clock::now();
+	auto time_span = duration_cast<microseconds>(t2 - t1);
+
+	printf("draw took %u us\n", (unsigned)time_span.count());
+#endif
+}
+
+void draw_rect(IMappedFramebuffer &fb, uint32_t x, uint32_t y, uint32_t w, uint32_t h, RGB color)
+{
+	for (unsigned i = x; i < x + w; ++i) {
+		for (unsigned j = y; j < y + h; ++j) {
+			draw_rgb_pixel(fb, i, j, color);
+		}
+	}
+}
+
+}