diff options
Diffstat (limited to 'kms++util/src')
-rw-r--r-- | kms++util/src/drawing.cpp | 68 | ||||
-rw-r--r-- | kms++util/src/testpat.cpp | 7 |
2 files changed, 66 insertions, 9 deletions
diff --git a/kms++util/src/drawing.cpp b/kms++util/src/drawing.cpp index 194daf8..a329b83 100644 --- a/kms++util/src/drawing.cpp +++ b/kms++util/src/drawing.cpp @@ -115,13 +115,9 @@ void draw_rgb_pixel(IFramebuffer& buf, unsigned x, unsigned y, RGB color) } } -void draw_yuv422_macropixel(IFramebuffer& buf, unsigned x, unsigned y, YUV yuv1, YUV yuv2) +static void draw_yuv422_packed_macropixel(IFramebuffer& buf, unsigned x, unsigned y, + YUV yuv1, YUV yuv2) { - if ((x + 1) >= buf.width() || y >= buf.height()) - throw runtime_error("attempt to draw outside the buffer"); - - ASSERT((x & 1) == 0); - uint8_t *p = (uint8_t*)(buf.map(0) + buf.stride(0) * y + x * 2); uint8_t y0 = yuv1.y; @@ -163,6 +159,62 @@ void draw_yuv422_macropixel(IFramebuffer& buf, unsigned x, unsigned y, YUV yuv1, } } +static void draw_yuv422_semiplanar_macropixel(IFramebuffer& buf, unsigned x, unsigned y, + YUV yuv1, YUV yuv2) +{ + uint8_t *py = (uint8_t*)(buf.map(0) + buf.stride(0) * y + x); + uint8_t *puv = (uint8_t*)(buf.map(1) + buf.stride(1) * y + x); + + 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::NV16: + py[0] = y0; + py[1] = y1; + puv[0] = u; + puv[1] = v; + break; + + case PixelFormat::NV61: + py[0] = y0; + py[1] = y1; + puv[0] = v; + puv[1] = u; + break; + + default: + throw std::invalid_argument("invalid pixelformat"); + } +} + +void draw_yuv422_macropixel(IFramebuffer& buf, unsigned x, unsigned y, YUV yuv1, YUV yuv2) +{ + if ((x + 1) >= buf.width() || y >= buf.height()) + throw runtime_error("attempt to draw outside the buffer"); + + ASSERT((x & 1) == 0); + + switch (buf.format()) { + case PixelFormat::UYVY: + case PixelFormat::YUYV: + case PixelFormat::YVYU: + case PixelFormat::VYUY: + draw_yuv422_packed_macropixel(buf, x, y, yuv1, yuv2); + break; + + case PixelFormat::NV16: + case PixelFormat::NV61: + draw_yuv422_semiplanar_macropixel(buf, x, y, yuv1, yuv2); + break; + + default: + throw std::invalid_argument("invalid pixelformat"); + } +} + void draw_yuv420_macropixel(IFramebuffer& buf, unsigned x, unsigned y, YUV yuv1, YUV yuv2, YUV yuv3, YUV yuv4) { @@ -235,6 +287,8 @@ void draw_rect(IFramebuffer &fb, uint32_t x, uint32_t y, uint32_t w, uint32_t h, case PixelFormat::YUYV: case PixelFormat::YVYU: case PixelFormat::VYUY: + case PixelFormat::NV16: + case PixelFormat::NV61: for (j = 0; j < h; j++) { for (i = 0; i < w; i += 2) { draw_yuv422_macropixel(fb, x + i, y + j, yuvcolor, yuvcolor); @@ -311,6 +365,8 @@ static void draw_char(IFramebuffer& buf, uint32_t xpos, uint32_t ypos, char c, R case PixelFormat::YUYV: case PixelFormat::YVYU: case PixelFormat::VYUY: + case PixelFormat::NV16: + case PixelFormat::NV61: for (y = 0; y < 8; y++) { for (x = 0; x < 8; x += 2) { bool b0 = get_char_pixel(c, x, y); diff --git a/kms++util/src/testpat.cpp b/kms++util/src/testpat.cpp index f9a3c8a..c120de3 100644 --- a/kms++util/src/testpat.cpp +++ b/kms++util/src/testpat.cpp @@ -106,6 +106,7 @@ static void draw_test_pattern_part(IFramebuffer& fb, unsigned start_y, unsigned unsigned w = fb.width(); const PixelFormatInfo& format_info = get_pixel_format_info(fb.format()); + const PixelFormatPlaneInfo& plane_info = format_info.planes[format_info.num_planes - 1]; switch (format_info.type) { case PixelColorType::RGB: @@ -118,8 +119,8 @@ static void draw_test_pattern_part(IFramebuffer& fb, unsigned start_y, unsigned break; case PixelColorType::YUV: - switch (format_info.num_planes) { - case 1: + switch (plane_info.xsub + plane_info.ysub) { + case 3: for (y = start_y; y < end_y; y++) { for (x = 0; x < w; x += 2) { RGB pixel1 = get_test_pattern_pixel(fb, x, y); @@ -129,7 +130,7 @@ static void draw_test_pattern_part(IFramebuffer& fb, unsigned start_y, unsigned } break; - case 2: + case 4: 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); |