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-rw-r--r--libkmstest/colorbar.cpp129
-rw-r--r--libkmstest/colorbar.h6
-rw-r--r--libkmstest/test.h1
3 files changed, 136 insertions, 0 deletions
diff --git a/libkmstest/colorbar.cpp b/libkmstest/colorbar.cpp
new file mode 100644
index 0000000..bc9cdca
--- /dev/null
+++ b/libkmstest/colorbar.cpp
@@ -0,0 +1,129 @@
+#include <cstdint>
+#include <drm_fourcc.h>
+
+#include <kms++.h>
+
+#include "test.h"
+
+namespace kms
+{
+static const RGB colors32[] = {
+ RGB(255, 255, 255),
+ RGB(255, 0, 0),
+ RGB(255, 255, 255),
+ RGB(0, 255, 0),
+ RGB(255, 255, 255),
+ RGB(0, 0, 255),
+ RGB(255, 255, 255),
+ RGB(200, 200, 200),
+ RGB(255, 255, 255),
+ RGB(100, 100, 100),
+ RGB(255, 255, 255),
+ RGB(50, 50, 50),
+};
+
+static const uint16_t colors16[] = {
+ colors32[0].rgb565(),
+ colors32[1].rgb565(),
+ colors32[2].rgb565(),
+ colors32[3].rgb565(),
+ colors32[4].rgb565(),
+ colors32[5].rgb565(),
+ colors32[6].rgb565(),
+ colors32[7].rgb565(),
+ colors32[8].rgb565(),
+ colors32[9].rgb565(),
+ colors32[10].rgb565(),
+ colors32[11].rgb565(),
+};
+
+static void drm_draw_color_bar_rgb888(DumbFramebuffer& buf, int old_xpos, int xpos, int width)
+{
+ for (unsigned y = 0; y < buf.height(); ++y) {
+ RGB bcol = colors32[y * ARRAY_SIZE(colors32) / buf.height()];
+ uint32_t *line = (uint32_t*)(buf.map(0) + buf.stride(0) * y);
+
+ if (old_xpos >= 0) {
+ for (int x = old_xpos; x < old_xpos + width; ++x)
+ line[x] = 0;
+ }
+
+ for (int x = xpos; x < xpos + width; ++x)
+ line[x] = bcol.raw;
+ }
+}
+
+static void drm_draw_color_bar_rgb565(DumbFramebuffer& buf, int old_xpos, int xpos, int width)
+{
+ static_assert(ARRAY_SIZE(colors32) == ARRAY_SIZE(colors16), "bad colors arrays");
+
+ for (unsigned y = 0; y < buf.height(); ++y) {
+ uint16_t bcol = colors16[y * ARRAY_SIZE(colors16) / buf.height()];
+ uint16_t *line = (uint16_t*)(buf.map(0) + buf.stride(0) * y);
+
+ if (old_xpos >= 0) {
+ for (int x = old_xpos; x < old_xpos + width; ++x)
+ line[x] = 0;
+ }
+
+ for (int x = xpos; x < xpos + width; ++x)
+ line[x] = bcol;
+ }
+}
+
+static void drm_draw_color_bar_semiplanar_yuv(DumbFramebuffer& buf, int old_xpos, int xpos, int width)
+{
+ const uint8_t colors[] = {
+ 0xff,
+ 0x00,
+ 0xff,
+ 0x20,
+ 0xff,
+ 0x40,
+ 0xff,
+ 0x80,
+ 0xff,
+ };
+
+ for (unsigned y = 0; y < buf.height(); ++y) {
+ unsigned int bcol = colors[y * ARRAY_SIZE(colors) / buf.height()];
+ uint8_t *line = (uint8_t*)(buf.map(0) + buf.stride(0) * y);
+
+ if (old_xpos >= 0) {
+ for (int x = old_xpos; x < old_xpos + width; ++x)
+ line[x] = 0;
+ }
+
+ for (int x = xpos; x < xpos + width; ++x)
+ line[x] = bcol;
+ }
+}
+
+void draw_color_bar(DumbFramebuffer& buf, int old_xpos, int xpos, int width)
+{
+ switch (buf.format()) {
+ case DRM_FORMAT_NV12:
+ case DRM_FORMAT_NV21:
+ // XXX not right but gets something on the screen
+ drm_draw_color_bar_semiplanar_yuv(buf, old_xpos, xpos, width);
+ break;
+
+ case DRM_FORMAT_YUYV:
+ case DRM_FORMAT_UYVY:
+ // XXX not right but gets something on the screen
+ drm_draw_color_bar_rgb565(buf, old_xpos, xpos, width);
+ break;
+
+ case DRM_FORMAT_RGB565:
+ drm_draw_color_bar_rgb565(buf, old_xpos, xpos, width);
+ break;
+
+ case DRM_FORMAT_XRGB8888:
+ drm_draw_color_bar_rgb888(buf, old_xpos, xpos, width);
+ break;
+
+ default:
+ ASSERT(false);
+ }
+}
+}
diff --git a/libkmstest/colorbar.h b/libkmstest/colorbar.h
new file mode 100644
index 0000000..a47d64d
--- /dev/null
+++ b/libkmstest/colorbar.h
@@ -0,0 +1,6 @@
+#pragma once
+
+namespace kms
+{
+void draw_color_bar(kms::DumbFramebuffer& buf, int old_xpos, int xpos, int width);
+}
diff --git a/libkmstest/test.h b/libkmstest/test.h
index f4cec59..fbc4727 100644
--- a/libkmstest/test.h
+++ b/libkmstest/test.h
@@ -3,6 +3,7 @@
#include "color.h"
#include "conv.h"
#include "testpat.h"
+#include "colorbar.h"
#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]))