diff options
author | Tomi Valkeinen <tomi.valkeinen@ti.com> | 2016-05-23 09:54:08 +0300 |
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committer | Tomi Valkeinen <tomi.valkeinen@ti.com> | 2016-05-23 09:54:08 +0300 |
commit | a5c28bcb2ead34e921617711ebf94ffcb5d72878 (patch) | |
tree | e2f93259f63407357c70b06a7d59c24fde5a3901 /libkms++util/colorbar.cpp | |
parent | 0bc5bbd6766949d651f98e12981d79c86ce0bf99 (diff) |
File/dir renames
Diffstat (limited to 'libkms++util/colorbar.cpp')
-rw-r--r-- | libkms++util/colorbar.cpp | 128 |
1 files changed, 128 insertions, 0 deletions
diff --git a/libkms++util/colorbar.cpp b/libkms++util/colorbar.cpp new file mode 100644 index 0000000..9fbec28 --- /dev/null +++ b/libkms++util/colorbar.cpp @@ -0,0 +1,128 @@ +#include <cstdint> + +#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(IMappedFramebuffer& 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.argb8888(); + } +} + +static void drm_draw_color_bar_rgb565(IMappedFramebuffer& 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(IMappedFramebuffer& 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(IMappedFramebuffer& buf, int old_xpos, int xpos, int width) +{ + switch (buf.format()) { + case PixelFormat::NV12: + case PixelFormat::NV21: + // XXX not right but gets something on the screen + drm_draw_color_bar_semiplanar_yuv(buf, old_xpos, xpos, width); + break; + + case PixelFormat::YUYV: + case PixelFormat::UYVY: + // XXX not right but gets something on the screen + drm_draw_color_bar_rgb565(buf, old_xpos, xpos, width); + break; + + case PixelFormat::RGB565: + drm_draw_color_bar_rgb565(buf, old_xpos, xpos, width); + break; + + case PixelFormat::XRGB8888: + drm_draw_color_bar_rgb888(buf, old_xpos, xpos, width); + break; + + default: + ASSERT(false); + } +} +} |