From: Bård Eirik Winther <bwinther@xxxxxxxxx>
Add OpenGL support to render all v4l2 16-bit bayer formats
Signed-off-by: Bård Eirik Winther <bwinther@xxxxxxxxx>
---
utils/qvidcap/capture-win-gl.cpp | 28 ++++++++++++++++++++++++++++
utils/qvidcap/v4l2-convert.glsl | 13 +++++++++----
2 files changed, 37 insertions(+), 4 deletions(-)
diff --git a/utils/qvidcap/capture-win-gl.cpp b/utils/qvidcap/capture-win-gl.cpp
index 224c1340..04271e4c 100644
--- a/utils/qvidcap/capture-win-gl.cpp
+++ b/utils/qvidcap/capture-win-gl.cpp
@@ -86,6 +86,10 @@ const __u32 formats[] = {
V4L2_PIX_FMT_SGBRG12,
V4L2_PIX_FMT_SGRBG12,
V4L2_PIX_FMT_SRGGB12,
+ V4L2_PIX_FMT_SBGGR16,
+ V4L2_PIX_FMT_SGBRG16,
+ V4L2_PIX_FMT_SGRBG16,
+ V4L2_PIX_FMT_SRGGB16,
V4L2_PIX_FMT_HSV24,
V4L2_PIX_FMT_HSV32,
V4L2_PIX_FMT_GREY,
@@ -842,6 +846,10 @@ bool CaptureGLWin::updateV4LFormat(const cv4l_fmt &fmt)
case V4L2_PIX_FMT_SGBRG12:
case V4L2_PIX_FMT_SGRBG12:
case V4L2_PIX_FMT_SRGGB12:
+ case V4L2_PIX_FMT_SBGGR16:
+ case V4L2_PIX_FMT_SGBRG16:
+ case V4L2_PIX_FMT_SGRBG16:
+ case V4L2_PIX_FMT_SRGGB16:
m_is_bayer = true;
/* fall through */
case V4L2_PIX_FMT_GREY:
@@ -1625,6 +1633,10 @@ void CaptureGLWin::paintGL()
case V4L2_PIX_FMT_SGBRG12:
case V4L2_PIX_FMT_SGRBG12:
case V4L2_PIX_FMT_SRGGB12:
+ case V4L2_PIX_FMT_SBGGR16:
+ case V4L2_PIX_FMT_SGBRG16:
+ case V4L2_PIX_FMT_SGRBG16:
+ case V4L2_PIX_FMT_SRGGB16:
render_Bayer(m_v4l_fmt.g_pixelformat());
break;
@@ -1815,6 +1827,10 @@ static const struct define defines[] = {
DEF(V4L2_PIX_FMT_SGBRG12),
DEF(V4L2_PIX_FMT_SGRBG12),
DEF(V4L2_PIX_FMT_SRGGB12),
+ DEF(V4L2_PIX_FMT_SBGGR16),
+ DEF(V4L2_PIX_FMT_SGBRG16),
+ DEF(V4L2_PIX_FMT_SGRBG16),
+ DEF(V4L2_PIX_FMT_SRGGB16),
DEF(V4L2_PIX_FMT_HSV24),
DEF(V4L2_PIX_FMT_HSV32),
DEF(V4L2_PIX_FMT_GREY),
@@ -2025,6 +2041,10 @@ void CaptureGLWin::changeShader()
case V4L2_PIX_FMT_SGBRG12:
case V4L2_PIX_FMT_SGRBG12:
case V4L2_PIX_FMT_SRGGB12:
+ case V4L2_PIX_FMT_SBGGR16:
+ case V4L2_PIX_FMT_SGBRG16:
+ case V4L2_PIX_FMT_SGRBG16:
+ case V4L2_PIX_FMT_SRGGB16:
shader_Bayer();
break;
@@ -2272,6 +2292,10 @@ void CaptureGLWin::shader_Bayer()
case V4L2_PIX_FMT_SGBRG12:
case V4L2_PIX_FMT_SGRBG12:
case V4L2_PIX_FMT_SRGGB12:
+ case V4L2_PIX_FMT_SBGGR16:
+ case V4L2_PIX_FMT_SGBRG16:
+ case V4L2_PIX_FMT_SGRBG16:
+ case V4L2_PIX_FMT_SRGGB16:
glTexImage2D(GL_TEXTURE_2D, 0, GL_R16UI, m_v4l_fmt.g_width(), m_v4l_fmt.g_height(), 0,
GL_RED_INTEGER, GL_UNSIGNED_SHORT, NULL);
break;
@@ -2611,6 +2635,10 @@ void CaptureGLWin::render_Bayer(__u32 format)
case V4L2_PIX_FMT_SGBRG12:
case V4L2_PIX_FMT_SGRBG12:
case V4L2_PIX_FMT_SRGGB12:
+ case V4L2_PIX_FMT_SBGGR16:
+ case V4L2_PIX_FMT_SGBRG16:
+ case V4L2_PIX_FMT_SGRBG16:
+ case V4L2_PIX_FMT_SRGGB16:
glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, m_v4l_fmt.g_width(), m_v4l_fmt.g_height(),
GL_RED_INTEGER, GL_UNSIGNED_SHORT, m_curData[0]);
break;
diff --git a/utils/qvidcap/v4l2-convert.glsl b/utils/qvidcap/v4l2-convert.glsl
index 6ca12d8d..81879562 100644
--- a/utils/qvidcap/v4l2-convert.glsl
+++ b/utils/qvidcap/v4l2-convert.glsl
@@ -5,6 +5,8 @@
PIXFMT == V4L2_PIX_FMT_SGRBG10 || PIXFMT == V4L2_PIX_FMT_SRGGB10 || \
PIXFMT == V4L2_PIX_FMT_SBGGR12 || PIXFMT == V4L2_PIX_FMT_SGBRG12 || \
PIXFMT == V4L2_PIX_FMT_SGRBG12 || PIXFMT == V4L2_PIX_FMT_SRGGB12 || \
+ PIXFMT == V4L2_PIX_FMT_SBGGR16 || PIXFMT == V4L2_PIX_FMT_SGBRG16 || \
+ PIXFMT == V4L2_PIX_FMT_SGRBG16 || PIXFMT == V4L2_PIX_FMT_SRGGB16 || \
PIXFMT == V4L2_PIX_FMT_GREY || PIXFMT == V4L2_PIX_FMT_Y16 || \
PIXFMT == V4L2_PIX_FMT_Y16_BE || PIXFMT == V4L2_PIX_FMT_Z16 || \
PIXFMT == V4L2_PIX_FMT_Y10 || PIXFMT == V4L2_PIX_FMT_Y12
@@ -112,25 +114,25 @@ void main()
#if IS_RGB
// Bayer pixel formats
-#if PIXFMT == V4L2_PIX_FMT_SBGGR8 || PIXFMT == V4L2_PIX_FMT_SBGGR10 || PIXFMT == V4L2_PIX_FMT_SBGGR12
+#if PIXFMT == V4L2_PIX_FMT_SBGGR8 || PIXFMT == V4L2_PIX_FMT_SBGGR10 || PIXFMT == V4L2_PIX_FMT_SBGGR12 || PIXFMT == V4L2_PIX_FMT_SBGGR16
uvec4 urgb;
vec2 cell = vec2(xeven ? xy.x : xy.x - texl_w, yeven ? xy.y : xy.y - texl_h);
urgb.r = texture(tex, vec2(cell.x + texl_w, cell.y + texl_h)).r;
urgb.g = texture(tex, vec2((cell.y == xy.y) ? cell.x + texl_w : cell.x, xy.y)).r;
urgb.b = texture(tex, cell).r;
-#elif PIXFMT == V4L2_PIX_FMT_SGBRG8 || PIXFMT == V4L2_PIX_FMT_SGBRG10 || PIXFMT == V4L2_PIX_FMT_SGBRG12
+#elif PIXFMT == V4L2_PIX_FMT_SGBRG8 || PIXFMT == V4L2_PIX_FMT_SGBRG10 || PIXFMT == V4L2_PIX_FMT_SGBRG12 || PIXFMT == V4L2_PIX_FMT_SGBRG16
uvec4 urgb;
vec2 cell = vec2(xeven ? xy.x : xy.x - texl_w, yeven ? xy.y : xy.y - texl_h);
urgb.r = texture(tex, vec2(cell.x, cell.y + texl_h)).r;
urgb.g = texture(tex, vec2((cell.y == xy.y) ? cell.x : cell.x + texl_w, xy.y)).r;
urgb.b = texture(tex, vec2(cell.x + texl_w, cell.y)).r;
-#elif PIXFMT == V4L2_PIX_FMT_SGRBG8 || PIXFMT == V4L2_PIX_FMT_SGRBG10 || PIXFMT == V4L2_PIX_FMT_SGRBG12
+#elif PIXFMT == V4L2_PIX_FMT_SGRBG8 || PIXFMT == V4L2_PIX_FMT_SGRBG10 || PIXFMT == V4L2_PIX_FMT_SGRBG12 || PIXFMT == V4L2_PIX_FMT_SGRBG16
uvec4 urgb;
vec2 cell = vec2(xeven ? xy.x : xy.x - texl_w, yeven ? xy.y : xy.y - texl_h);
urgb.r = texture(tex, vec2(cell.x + texl_w, cell.y)).r;
urgb.g = texture(tex, vec2((cell.y == xy.y) ? cell.x : cell.x + texl_w, xy.y)).r;
urgb.b = texture(tex, vec2(cell.x, cell.y + texl_h)).r;
-#elif PIXFMT == V4L2_PIX_FMT_SRGGB8 || PIXFMT == V4L2_PIX_FMT_SRGGB10 || PIXFMT == V4L2_PIX_FMT_SRGGB12
+#elif PIXFMT == V4L2_PIX_FMT_SRGGB8 || PIXFMT == V4L2_PIX_FMT_SRGGB10 || PIXFMT == V4L2_PIX_FMT_SRGGB12 || PIXFMT == V4L2_PIX_FMT_SRGGB16
uvec4 urgb;
vec2 cell = vec2(xeven ? xy.x : xy.x - texl_w, yeven ? xy.y : xy.y - texl_h);
urgb.b = texture(tex, vec2(cell.x + texl_w, cell.y + texl_h)).r;
@@ -192,6 +194,9 @@ void main()
#elif PIXFMT == V4L2_PIX_FMT_SBGGR12 || PIXFMT == V4L2_PIX_FMT_SGBRG12 || \
PIXFMT == V4L2_PIX_FMT_SGRBG12 || PIXFMT == V4L2_PIX_FMT_SRGGB12
rgb = vec3(urgb) / 4095.0;
+#elif PIXFMT == V4L2_PIX_FMT_SBGGR16 || PIXFMT == V4L2_PIX_FMT_SGBRG16 || \
+ PIXFMT == V4L2_PIX_FMT_SGRBG16 || PIXFMT == V4L2_PIX_FMT_SRGGB16
+ rgb = vec3(urgb) / 65535.0;
#endif
#if QUANT == V4L2_QUANTIZATION_LIM_RANGE
--
2.17.1
