FGFS-4.1/OpenSceneGraph
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complete TexStorage support

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This commit is contained in:
mp3butcher
2018-08-20 05:10:11 +02:00
parent 587e65e674
commit e043c3db33
7 changed files with 169 additions and 77 deletions
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38
src/osg/TextureRectangle.cpp
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@@ -231,7 +231,7 @@ void TextureRectangle::apply(State& state) const
}
else if (_image.valid() && _image->data())
{
GLExtensions * extensions = state.get<GLExtensions>();
// keep the image around at least till we go out of scope.
osg::ref_ptr<osg::Image> image = _image;
@@ -239,11 +239,16 @@ void TextureRectangle::apply(State& state) const
// compute the internal texture format, this set the _internalFormat to an appropriate value.
computeInternalFormat();
//get sizedInternalFormat if TexStorage available
GLenum texStorageSizedInternalFormat = extensions->isTextureStorageEnabled && (_borderWidth==0) ? selectSizedInternalFormat(image) : 0;
_textureWidth = image->s();
_textureHeight = image->t();
textureObject = generateAndAssignTextureObject(
contextID,GL_TEXTURE_RECTANGLE,1,_internalFormat,_textureWidth,_textureHeight,1,0);
contextID, GL_TEXTURE_RECTANGLE, 1,
texStorageSizedInternalFormat!=0 ? texStorageSizedInternalFormat : _internalFormat,
_textureWidth, _textureHeight, 1, 0);
textureObject->bind();
@@ -268,19 +273,30 @@ void TextureRectangle::apply(State& state) const
}
else if ( (_textureWidth!=0) && (_textureHeight!=0) && (_internalFormat!=0) )
{
textureObject = generateAndAssignTextureObject(
contextID,GL_TEXTURE_RECTANGLE,0,_internalFormat,_textureWidth,_textureHeight,1,0);
textureObject->bind();
applyTexParameters(GL_TEXTURE_RECTANGLE,state);
// no image present, but dimensions at set so lets create the texture
glTexImage2D( GL_TEXTURE_RECTANGLE, 0, _internalFormat,
GLExtensions * extensions = state.get<GLExtensions>();
GLenum texStorageSizedInternalFormat = extensions->isTextureStorageEnabled ? selectSizedInternalFormat() : 0;
if (texStorageSizedInternalFormat!=0)
{
textureObject = generateAndAssignTextureObject(contextID, GL_TEXTURE_RECTANGLE, 0, texStorageSizedInternalFormat, _textureWidth, _textureHeight, 1, 0);
textureObject->bind();
applyTexParameters(GL_TEXTURE_RECTANGLE, state);
extensions->glTexStorage2D( GL_TEXTURE_RECTANGLE, 1, texStorageSizedInternalFormat, _textureWidth, _textureHeight);
}
else
{
GLenum internalFormat = _sourceFormat ? _sourceFormat : _internalFormat;
textureObject = generateAndAssignTextureObject(contextID, GL_TEXTURE_RECTANGLE, 0, internalFormat, _textureWidth, _textureHeight, 1, 0);
textureObject->bind();
applyTexParameters(GL_TEXTURE_RECTANGLE, state);
glTexImage2D( GL_TEXTURE_RECTANGLE, 0, _internalFormat,
_textureWidth, _textureHeight, _borderWidth,
_sourceFormat ? _sourceFormat : _internalFormat,
internalFormat,
_sourceType ? _sourceType : GL_UNSIGNED_BYTE,
0);
}
if (_readPBuffer.valid())
{