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-rw-r--r--src/qcam/assets/shader/RGB.frag22
-rw-r--r--src/qcam/assets/shader/shaders.qrc1
-rw-r--r--src/qcam/viewfinder_gl.cpp71
3 files changed, 91 insertions, 3 deletions
diff --git a/src/qcam/assets/shader/RGB.frag b/src/qcam/assets/shader/RGB.frag
new file mode 100644
index 00000000..4c374ac9
--- /dev/null
+++ b/src/qcam/assets/shader/RGB.frag
@@ -0,0 +1,22 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+/*
+ * Copyright (C) 2020, Laurent Pinchart
+ *
+ * RGB.frag - Fragment shader code for RGB formats
+ */
+
+#ifdef GL_ES
+precision mediump float;
+#endif
+
+varying vec2 textureOut;
+uniform sampler2D tex_y;
+
+void main(void)
+{
+ vec3 rgb;
+
+ rgb = texture2D(tex_y, textureOut).RGB_PATTERN;
+
+ gl_FragColor = vec4(rgb, 1.0);
+}
diff --git a/src/qcam/assets/shader/shaders.qrc b/src/qcam/assets/shader/shaders.qrc
index 86310914..8a8f9de1 100644
--- a/src/qcam/assets/shader/shaders.qrc
+++ b/src/qcam/assets/shader/shaders.qrc
@@ -1,6 +1,7 @@
<!-- SPDX-License-Identifier: LGPL-2.1-or-later -->
<!DOCTYPE RCC><RCC version="1.0">
<qresource>
+ <file>RGB.frag</file>
<file>YUV_2_planes.frag</file>
<file>YUV_3_planes.frag</file>
<file>YUV_packed.frag</file>
diff --git a/src/qcam/viewfinder_gl.cpp b/src/qcam/viewfinder_gl.cpp
index cbc13655..5d9b442e 100644
--- a/src/qcam/viewfinder_gl.cpp
+++ b/src/qcam/viewfinder_gl.cpp
@@ -14,21 +14,28 @@
#include <libcamera/formats.h>
static const QList<libcamera::PixelFormat> supportedFormats{
- /* Packed (single plane) */
+ /* YUV - packed (single plane) */
libcamera::formats::UYVY,
libcamera::formats::VYUY,
libcamera::formats::YUYV,
libcamera::formats::YVYU,
- /* Semi planar (two planes) */
+ /* YUV - semi planar (two planes) */
libcamera::formats::NV12,
libcamera::formats::NV21,
libcamera::formats::NV16,
libcamera::formats::NV61,
libcamera::formats::NV24,
libcamera::formats::NV42,
- /* Fully planar (three planes) */
+ /* YUV - fully planar (three planes) */
libcamera::formats::YUV420,
libcamera::formats::YVU420,
+ /* RGB */
+ libcamera::formats::ABGR8888,
+ libcamera::formats::ARGB8888,
+ libcamera::formats::BGRA8888,
+ libcamera::formats::RGBA8888,
+ libcamera::formats::BGR888,
+ libcamera::formats::RGB888,
};
ViewFinderGL::ViewFinderGL(QWidget *parent)
@@ -172,6 +179,30 @@ bool ViewFinderGL::selectFormat(const libcamera::PixelFormat &format)
fragmentShaderDefines_.append("#define YUV_PATTERN_YVYU");
fragmentShaderFile_ = ":YUV_packed.frag";
break;
+ case libcamera::formats::ABGR8888:
+ fragmentShaderDefines_.append("#define RGB_PATTERN rgb");
+ fragmentShaderFile_ = ":RGB.frag";
+ break;
+ case libcamera::formats::ARGB8888:
+ fragmentShaderDefines_.append("#define RGB_PATTERN bgr");
+ fragmentShaderFile_ = ":RGB.frag";
+ break;
+ case libcamera::formats::BGRA8888:
+ fragmentShaderDefines_.append("#define RGB_PATTERN gba");
+ fragmentShaderFile_ = ":RGB.frag";
+ break;
+ case libcamera::formats::RGBA8888:
+ fragmentShaderDefines_.append("#define RGB_PATTERN abg");
+ fragmentShaderFile_ = ":RGB.frag";
+ break;
+ case libcamera::formats::BGR888:
+ fragmentShaderDefines_.append("#define RGB_PATTERN rgb");
+ fragmentShaderFile_ = ":RGB.frag";
+ break;
+ case libcamera::formats::RGB888:
+ fragmentShaderDefines_.append("#define RGB_PATTERN bgr");
+ fragmentShaderFile_ = ":RGB.frag";
+ break;
default:
ret = false;
qWarning() << "[ViewFinderGL]:"
@@ -481,6 +512,40 @@ void ViewFinderGL::doRender()
1.0f / (size_.width() / 2 - 1));
break;
+ case libcamera::formats::ABGR8888:
+ case libcamera::formats::ARGB8888:
+ case libcamera::formats::BGRA8888:
+ case libcamera::formats::RGBA8888:
+ glActiveTexture(GL_TEXTURE0);
+ configureTexture(*textures_[0]);
+ glTexImage2D(GL_TEXTURE_2D,
+ 0,
+ GL_RGBA,
+ size_.width(),
+ size_.height(),
+ 0,
+ GL_RGBA,
+ GL_UNSIGNED_BYTE,
+ data_);
+ shaderProgram_.setUniformValue(textureUniformY_, 0);
+ break;
+
+ case libcamera::formats::BGR888:
+ case libcamera::formats::RGB888:
+ glActiveTexture(GL_TEXTURE0);
+ configureTexture(*textures_[0]);
+ glTexImage2D(GL_TEXTURE_2D,
+ 0,
+ GL_RGB,
+ size_.width(),
+ size_.height(),
+ 0,
+ GL_RGB,
+ GL_UNSIGNED_BYTE,
+ data_);
+ shaderProgram_.setUniformValue(textureUniformY_, 0);
+ break;
+
default:
break;
};