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-rw-r--r--libkms++util/testpat.cpp291
1 files changed, 291 insertions, 0 deletions
diff --git a/libkms++util/testpat.cpp b/libkms++util/testpat.cpp
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+
+//#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);
+ }
+ }
+}
+
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-01 11:37:57 +0000