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Merge pull request #834 from 0871087123/tif_bug_fix

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getInternalTextureFormat() failed after reading a tiff file
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OpenSceneGraph git repository 2019-12-12 14:15:53 +00:00 committed by GitHub
commit 12084cd0e2
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 36 additions and 3 deletions
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39
src/osgPlugins/tiff/ReaderWriterTIFF.cpp
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@ -809,20 +809,53 @@ class ReaderWriterTIFF : public osgDB::ReaderWriter
int t = height_ret;
int r = 1;
int internalFormat = numComponents_ret;
unsigned int pixelFormat =
numComponents_ret == 1 ? GL_LUMINANCE :
numComponents_ret == 2 ? GL_LUMINANCE_ALPHA :
numComponents_ret == 3 ? GL_RGB :
numComponents_ret == 4 ? GL_RGBA : (GLenum)-1;
unsigned int dataType =
bitspersample_ret == 8 ? GL_UNSIGNED_BYTE :
bitspersample_ret == 16 ? GL_UNSIGNED_SHORT :
bitspersample_ret == 32 ? GL_FLOAT : (GLenum)-1;
int internalFormat = 0;
switch (pixelFormat) {
case GL_LUMINANCE: {
switch (dataType) {
case GL_UNSIGNED_BYTE: internalFormat = GL_LUMINANCE8; break;
case GL_UNSIGNED_SHORT: internalFormat = GL_LUMINANCE16; break;
case GL_FLOAT : internalFormat = GL_LUMINANCE32F_ARB; break;
}
break;
}
case GL_LUMINANCE_ALPHA: {
switch (dataType) {
case GL_UNSIGNED_BYTE: internalFormat = GL_LUMINANCE_ALPHA8UI_EXT; break;
case GL_UNSIGNED_SHORT: internalFormat = GL_LUMINANCE_ALPHA16UI_EXT; break;
case GL_FLOAT: internalFormat = GL_LUMINANCE_ALPHA32F_ARB; break;
}
break;
}
case GL_RGB: {
switch (dataType) {
case GL_UNSIGNED_BYTE: internalFormat = GL_RGB8; break;
case GL_UNSIGNED_SHORT: internalFormat = GL_RGB16; break;
case GL_FLOAT: internalFormat = GL_RGB32F_ARB; break;
}
break;
}
case GL_RGBA : {
switch (dataType) {
case GL_UNSIGNED_BYTE: internalFormat = GL_RGBA8; break;
case GL_UNSIGNED_SHORT: internalFormat = GL_RGBA16; break;
case GL_FLOAT: internalFormat = GL_RGBA32F_ARB; break;
}
break;
}
}
osg::Image* pOsgImage = new osg::Image;
pOsgImage->setImage(s,t,r,
internalFormat,