diff options
Diffstat (limited to 'src/opengl/qopenglframebufferobject.cpp')
| -rw-r--r-- | src/opengl/qopenglframebufferobject.cpp | 20 |
1 files changed, 17 insertions, 3 deletions
diff --git a/src/opengl/qopenglframebufferobject.cpp b/src/opengl/qopenglframebufferobject.cpp index 379c59a827..5c8f769d39 100644 --- a/src/opengl/qopenglframebufferobject.cpp +++ b/src/opengl/qopenglframebufferobject.cpp @@ -550,8 +550,22 @@ void QOpenGLFramebufferObjectPrivate::initTexture(int idx) else if (color.internalFormat == GL_RGB16F || color.internalFormat == GL_RGBA16F) pixelType = GL_HALF_FLOAT; + bool isOpaque = false; + switch (color.internalFormat) { + case GL_RGB8: + case GL_RGB16: + case GL_RGB16F: + case GL_RGB32F: + isOpaque = true; + break; + case GL_RGB10: + // opaque but the pixel type (INT_2_10_10_10) has alpha and so requires RGBA texture format + break; + } + const GLuint textureFormat = isOpaque ? GL_RGB : GL_RGBA; + funcs.glTexImage2D(target, 0, color.internalFormat, color.size.width(), color.size.height(), 0, - GL_RGBA, pixelType, nullptr); + textureFormat, pixelType, nullptr); if (format.mipmap()) { int width = color.size.width(); int height = color.size.height(); @@ -560,8 +574,8 @@ void QOpenGLFramebufferObjectPrivate::initTexture(int idx) width = qMax(1, width >> 1); height = qMax(1, height >> 1); ++level; - funcs.glTexImage2D(target, level, color.internalFormat, width, height, 0, - GL_RGBA, pixelType, nullptr); + funcs.glTexImage2D(target, level, color.internalFormat, width, height, 0, textureFormat, + pixelType, nullptr); } } funcs.glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0 + idx, |