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Diffstat (limited to 'kms++util/testpat.cpp')
| -rw-r--r-- | kms++util/testpat.cpp | 191 |
1 files changed, 0 insertions, 191 deletions
diff --git a/kms++util/testpat.cpp b/kms++util/testpat.cpp deleted file mode 100644 index 7a2e4d3..0000000 --- a/kms++util/testpat.cpp +++ /dev/null @@ -1,191 +0,0 @@ - -//#define DRAW_PERF_PRINT - -#include <cstring> -#include <cassert> -#include <thread> - -#include <kms++/kms++.h> -#include <kms++util.h> -#include <cpuframebuffer.h> -#include "stopwatch.h" - -using namespace std; - -namespace kms -{ - -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_part(IMappedFramebuffer& fb, unsigned start_y, unsigned end_y) -{ - unsigned x, y; - unsigned w = fb.width(); - - switch (fb.format()) { - case PixelFormat::XRGB8888: - case PixelFormat::XBGR8888: - case PixelFormat::ARGB8888: - case PixelFormat::ABGR8888: - case PixelFormat::RGB565: - for (y = start_y; y < end_y; 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 = start_y; y < end_y; 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 = start_y; y < end_y; 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"); - } -} - -static void draw_test_pattern_impl(IMappedFramebuffer& fb) -{ - if (fb.height() < 20) { - draw_test_pattern_part(fb, 0, fb.height()); - return; - } - - unsigned num_threads = thread::hardware_concurrency(); - vector<thread> workers; - - unsigned part = (fb.height() / num_threads) & ~1; - - for (unsigned n = 0; n < num_threads; ++n) { - unsigned start = n * part; - unsigned end = start + part; - - if (n == num_threads - 1) - end = fb.height(); - - workers.push_back(thread([&fb, start, end]() { draw_test_pattern_part(fb, start, end); })); - } - - for (thread& t : workers) - t.join(); -} - -void draw_test_pattern(IMappedFramebuffer &fb) -{ -#ifdef DRAW_PERF_PRINT - Stopwatch sw; - sw.start(); -#endif - - draw_test_pattern_impl(fb); - -#ifdef DRAW_PERF_PRINT - double us = sw.elapsed_us(); - printf("draw took %u us\n", (unsigned)us); -#endif -} - -} |