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-rw-r--r--libkmstest/testpat.cpp246
1 files changed, 130 insertions, 116 deletions
diff --git a/libkmstest/testpat.cpp b/libkmstest/testpat.cpp
index f65a1f8..b0b67a4 100644
--- a/libkmstest/testpat.cpp
+++ b/libkmstest/testpat.cpp
@@ -10,13 +10,13 @@
#include <drm_mode.h>
#include "kms++.h"
-#include "color.h"
+#include "test.h"
#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]))
namespace kms
{
-static void draw_pixel(DumbFramebuffer& buf, unsigned x, unsigned y, RGB color)
+static void draw_rgb_pixel(DumbFramebuffer& buf, unsigned x, unsigned y, RGB color)
{
switch (buf.format()) {
case PixelFormat::XRGB8888:
@@ -37,75 +37,58 @@ static void draw_pixel(DumbFramebuffer& buf, unsigned x, unsigned y, RGB color)
*p = color.rgb565();
break;
}
- case PixelFormat::UYVY:
- case PixelFormat::YUYV:
- case PixelFormat::YVYU:
- case PixelFormat::VYUY:
- {
- // HACK. we store the even pixels to c1, and only draw when at the odd pixel.
+ default:
+ throw std::invalid_argument("invalid pixelformat");
+ }
+}
- static RGB c1;
+static void draw_yuv422_macropixel(DumbFramebuffer& buf, unsigned x, unsigned y, YUV yuv1, YUV yuv2)
+{
+ ASSERT((x & 1) == 0);
- if ((x & 1) == 0) {
- c1 = color;
- return;
- }
+ uint8_t *p = (uint8_t*)(buf.map(0) + buf.stride(0) * y + x * 2);
- // adjust X back to the even pixel
- x--;
-
- uint8_t *p = (uint8_t*)(buf.map(0) + buf.stride(0) * y + x * 2);
-
- YUV yuv1 = c1.yuv();
- YUV yuv2 = color.yuv();
-
- 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:
- break;
- }
+ 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("unknown pixelformat");
+ throw std::invalid_argument("invalid pixelformat");
}
}
-static void draw_rgb_test_pattern(DumbFramebuffer& fb)
+static RGB get_test_pattern_pixel(DumbFramebuffer& fb, unsigned x, unsigned y)
{
- unsigned x, y;
unsigned w = fb.width();
unsigned h = fb.height();
@@ -116,62 +99,93 @@ static void draw_rgb_test_pattern(DumbFramebuffer& fb)
const unsigned ym1 = mw;
const unsigned ym2 = h - mw - 1;
- for (y = 0; y < h; y++) {
- for (x = 0; x < w; x++) {
- // white margin lines
- if (x == xm1 || x == xm2 || y == ym1 || y == ym2)
- draw_pixel(fb, x, y, RGB(255, 255, 255));
- // white box outlines to corners
- else if ((x == 0 || x == w - 1) && (y < ym1 || y > ym2))
- draw_pixel(fb, x, y, RGB(255, 255, 255));
- // white box outlines to corners
- else if ((y == 0 || y == h - 1) && (x < xm1 || x > xm2))
- draw_pixel(fb, x, y, RGB(255, 255, 255));
- // blue bar on the left
- else if (x < xm1 && (y > ym1 && y < ym2))
- draw_pixel(fb, x, y, RGB(0, 0, 255));
- // blue bar on the top
- else if (y < ym1 && (x > xm1 && x < xm2))
- draw_pixel(fb, x, y, RGB(0, 0, 255));
- // red bar on the right
- else if (x > xm2 && (y > ym1 && y < ym2))
- draw_pixel(fb, x, y, RGB(255, 0, 0));
- // red bar on the bottom
- else if (y > ym2 && (x > xm1 && x < xm2))
- draw_pixel(fb, x, y, 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)
- draw_pixel(fb, x, y, RGB(255, 255, 255));
- // diagonal line
- else if (w - x == y || x == h - y)
- draw_pixel(fb, x, y, RGB(255, 255, 255));
- else {
- int t = (x - xm1 - 1) * 3 / (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;
- }
-
- draw_pixel(fb, x, y, RGB(r, g, b));
- }
- // black corners
- } else {
- draw_pixel(fb, x, y, RGB(0, 0, 0));
+ // 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) * 3 / (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;
}
+
+ return RGB(r, g, b);
}
+ } else {
+ // black corners
+ return RGB(0, 0, 0);
+ }
+}
+
+static void draw_test_pattern_impl(DumbFramebuffer& fb)
+{
+ unsigned x, y;
+ unsigned w = fb.width();
+ unsigned h = fb.height();
+
+ switch (fb.format()) {
+ case PixelFormat::XRGB8888:
+ case PixelFormat::XBGR8888:
+ 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;
+ default:
+ throw std::invalid_argument("unknown pixelformat");
}
}
@@ -181,7 +195,7 @@ void draw_test_pattern(DumbFramebuffer& fb)
auto t1 = high_resolution_clock::now();
- draw_rgb_test_pattern(fb);
+ draw_test_pattern_impl(fb);
auto t2 = high_resolution_clock::now();
auto time_span = duration_cast<microseconds>(t2 - t1);
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-03 07:28:16 +0000