diff options
| -rw-r--r-- | src/qcam/assets/shader/RGB.frag | 22 | ||||
| -rw-r--r-- | src/qcam/assets/shader/shaders.qrc | 1 | ||||
| -rw-r--r-- | src/qcam/viewfinder_gl.cpp | 71 |
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; }; |